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+
+
+ Box2dWeb Demo
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/lib/Box2d/Box2dWeb-2.1.a.3.js b/lib/Box2d/Box2dWeb-2.1.a.3.js
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+/*
+* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
+*
+* This software is provided 'as-is', without any express or implied
+* warranty. In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+var Box2D = {};
+
+(function (a2j, undefined) {
+
+ if(!(Object.prototype.defineProperty instanceof Function)
+ && Object.prototype.__defineGetter__ instanceof Function
+ && Object.prototype.__defineSetter__ instanceof Function)
+ {
+ Object.defineProperty = function(obj, p, cfg) {
+ if(cfg.get instanceof Function)
+ obj.__defineGetter__(p, cfg.get);
+ if(cfg.set instanceof Function)
+ obj.__defineSetter__(p, cfg.set);
+ }
+ }
+
+ function emptyFn() {};
+ a2j.inherit = function(cls, base) {
+ var tmpCtr = cls;
+ emptyFn.prototype = base.prototype;
+ cls.prototype = new emptyFn;
+ cls.prototype.constructor = tmpCtr;
+ };
+
+ a2j.generateCallback = function generateCallback(context, cb) {
+ return function () {
+ cb.apply(context, arguments);
+ };
+ };
+
+ a2j.NVector = function NVector(length) {
+ if (length === undefined) length = 0;
+ var tmp = new Array(length || 0);
+ for (var i = 0; i < length; ++i)
+ tmp[i] = 0;
+ return tmp;
+ };
+
+ a2j.is = function is(o1, o2) {
+ if (o1 === null) return false;
+ if ((o2 instanceof Function) && (o1 instanceof o2)) return true;
+ if ((o1.constructor.__implements != undefined) && (o1.constructor.__implements[o2])) return true;
+ return false;
+ };
+
+ a2j.parseUInt = function(v) {
+ return Math.abs(parseInt(v));
+ }
+
+})(Box2D);
+
+//#TODO remove assignments from global namespace
+var Vector = Array;
+var Vector_a2j_Number = Box2D.NVector;
+//package structure
+if (typeof(Box2D) === "undefined") Box2D = {};
+if (typeof(Box2D.Collision) === "undefined") Box2D.Collision = {};
+if (typeof(Box2D.Collision.Shapes) === "undefined") Box2D.Collision.Shapes = {};
+if (typeof(Box2D.Common) === "undefined") Box2D.Common = {};
+if (typeof(Box2D.Common.Math) === "undefined") Box2D.Common.Math = {};
+if (typeof(Box2D.Dynamics) === "undefined") Box2D.Dynamics = {};
+if (typeof(Box2D.Dynamics.Contacts) === "undefined") Box2D.Dynamics.Contacts = {};
+if (typeof(Box2D.Dynamics.Controllers) === "undefined") Box2D.Dynamics.Controllers = {};
+if (typeof(Box2D.Dynamics.Joints) === "undefined") Box2D.Dynamics.Joints = {};
+//pre-definitions
+(function () {
+ Box2D.Collision.IBroadPhase = 'Box2D.Collision.IBroadPhase';
+
+ function b2AABB() {
+ b2AABB.b2AABB.apply(this, arguments);
+ };
+ Box2D.Collision.b2AABB = b2AABB;
+
+ function b2Bound() {
+ b2Bound.b2Bound.apply(this, arguments);
+ };
+ Box2D.Collision.b2Bound = b2Bound;
+
+ function b2BoundValues() {
+ b2BoundValues.b2BoundValues.apply(this, arguments);
+ if (this.constructor === b2BoundValues) this.b2BoundValues.apply(this, arguments);
+ };
+ Box2D.Collision.b2BoundValues = b2BoundValues;
+
+ function b2Collision() {
+ b2Collision.b2Collision.apply(this, arguments);
+ };
+ Box2D.Collision.b2Collision = b2Collision;
+
+ function b2ContactID() {
+ b2ContactID.b2ContactID.apply(this, arguments);
+ if (this.constructor === b2ContactID) this.b2ContactID.apply(this, arguments);
+ };
+ Box2D.Collision.b2ContactID = b2ContactID;
+
+ function b2ContactPoint() {
+ b2ContactPoint.b2ContactPoint.apply(this, arguments);
+ };
+ Box2D.Collision.b2ContactPoint = b2ContactPoint;
+
+ function b2Distance() {
+ b2Distance.b2Distance.apply(this, arguments);
+ };
+ Box2D.Collision.b2Distance = b2Distance;
+
+ function b2DistanceInput() {
+ b2DistanceInput.b2DistanceInput.apply(this, arguments);
+ };
+ Box2D.Collision.b2DistanceInput = b2DistanceInput;
+
+ function b2DistanceOutput() {
+ b2DistanceOutput.b2DistanceOutput.apply(this, arguments);
+ };
+ Box2D.Collision.b2DistanceOutput = b2DistanceOutput;
+
+ function b2DistanceProxy() {
+ b2DistanceProxy.b2DistanceProxy.apply(this, arguments);
+ };
+ Box2D.Collision.b2DistanceProxy = b2DistanceProxy;
+
+ function b2DynamicTree() {
+ b2DynamicTree.b2DynamicTree.apply(this, arguments);
+ if (this.constructor === b2DynamicTree) this.b2DynamicTree.apply(this, arguments);
+ };
+ Box2D.Collision.b2DynamicTree = b2DynamicTree;
+
+ function b2DynamicTreeBroadPhase() {
+ b2DynamicTreeBroadPhase.b2DynamicTreeBroadPhase.apply(this, arguments);
+ };
+ Box2D.Collision.b2DynamicTreeBroadPhase = b2DynamicTreeBroadPhase;
+
+ function b2DynamicTreeNode() {
+ b2DynamicTreeNode.b2DynamicTreeNode.apply(this, arguments);
+ };
+ Box2D.Collision.b2DynamicTreeNode = b2DynamicTreeNode;
+
+ function b2DynamicTreePair() {
+ b2DynamicTreePair.b2DynamicTreePair.apply(this, arguments);
+ };
+ Box2D.Collision.b2DynamicTreePair = b2DynamicTreePair;
+
+ function b2Manifold() {
+ b2Manifold.b2Manifold.apply(this, arguments);
+ if (this.constructor === b2Manifold) this.b2Manifold.apply(this, arguments);
+ };
+ Box2D.Collision.b2Manifold = b2Manifold;
+
+ function b2ManifoldPoint() {
+ b2ManifoldPoint.b2ManifoldPoint.apply(this, arguments);
+ if (this.constructor === b2ManifoldPoint) this.b2ManifoldPoint.apply(this, arguments);
+ };
+ Box2D.Collision.b2ManifoldPoint = b2ManifoldPoint;
+
+ function b2Point() {
+ b2Point.b2Point.apply(this, arguments);
+ };
+ Box2D.Collision.b2Point = b2Point;
+
+ function b2RayCastInput() {
+ b2RayCastInput.b2RayCastInput.apply(this, arguments);
+ if (this.constructor === b2RayCastInput) this.b2RayCastInput.apply(this, arguments);
+ };
+ Box2D.Collision.b2RayCastInput = b2RayCastInput;
+
+ function b2RayCastOutput() {
+ b2RayCastOutput.b2RayCastOutput.apply(this, arguments);
+ };
+ Box2D.Collision.b2RayCastOutput = b2RayCastOutput;
+
+ function b2Segment() {
+ b2Segment.b2Segment.apply(this, arguments);
+ };
+ Box2D.Collision.b2Segment = b2Segment;
+
+ function b2SeparationFunction() {
+ b2SeparationFunction.b2SeparationFunction.apply(this, arguments);
+ };
+ Box2D.Collision.b2SeparationFunction = b2SeparationFunction;
+
+ function b2Simplex() {
+ b2Simplex.b2Simplex.apply(this, arguments);
+ if (this.constructor === b2Simplex) this.b2Simplex.apply(this, arguments);
+ };
+ Box2D.Collision.b2Simplex = b2Simplex;
+
+ function b2SimplexCache() {
+ b2SimplexCache.b2SimplexCache.apply(this, arguments);
+ };
+ Box2D.Collision.b2SimplexCache = b2SimplexCache;
+
+ function b2SimplexVertex() {
+ b2SimplexVertex.b2SimplexVertex.apply(this, arguments);
+ };
+ Box2D.Collision.b2SimplexVertex = b2SimplexVertex;
+
+ function b2TimeOfImpact() {
+ b2TimeOfImpact.b2TimeOfImpact.apply(this, arguments);
+ };
+ Box2D.Collision.b2TimeOfImpact = b2TimeOfImpact;
+
+ function b2TOIInput() {
+ b2TOIInput.b2TOIInput.apply(this, arguments);
+ };
+ Box2D.Collision.b2TOIInput = b2TOIInput;
+
+ function b2WorldManifold() {
+ b2WorldManifold.b2WorldManifold.apply(this, arguments);
+ if (this.constructor === b2WorldManifold) this.b2WorldManifold.apply(this, arguments);
+ };
+ Box2D.Collision.b2WorldManifold = b2WorldManifold;
+
+ function ClipVertex() {
+ ClipVertex.ClipVertex.apply(this, arguments);
+ };
+ Box2D.Collision.ClipVertex = ClipVertex;
+
+ function Features() {
+ Features.Features.apply(this, arguments);
+ };
+ Box2D.Collision.Features = Features;
+
+ function b2CircleShape() {
+ b2CircleShape.b2CircleShape.apply(this, arguments);
+ if (this.constructor === b2CircleShape) this.b2CircleShape.apply(this, arguments);
+ };
+ Box2D.Collision.Shapes.b2CircleShape = b2CircleShape;
+
+ function b2EdgeChainDef() {
+ b2EdgeChainDef.b2EdgeChainDef.apply(this, arguments);
+ if (this.constructor === b2EdgeChainDef) this.b2EdgeChainDef.apply(this, arguments);
+ };
+ Box2D.Collision.Shapes.b2EdgeChainDef = b2EdgeChainDef;
+
+ function b2EdgeShape() {
+ b2EdgeShape.b2EdgeShape.apply(this, arguments);
+ if (this.constructor === b2EdgeShape) this.b2EdgeShape.apply(this, arguments);
+ };
+ Box2D.Collision.Shapes.b2EdgeShape = b2EdgeShape;
+
+ function b2MassData() {
+ b2MassData.b2MassData.apply(this, arguments);
+ };
+ Box2D.Collision.Shapes.b2MassData = b2MassData;
+
+ function b2PolygonShape() {
+ b2PolygonShape.b2PolygonShape.apply(this, arguments);
+ if (this.constructor === b2PolygonShape) this.b2PolygonShape.apply(this, arguments);
+ };
+ Box2D.Collision.Shapes.b2PolygonShape = b2PolygonShape;
+
+ function b2Shape() {
+ b2Shape.b2Shape.apply(this, arguments);
+ if (this.constructor === b2Shape) this.b2Shape.apply(this, arguments);
+ };
+ Box2D.Collision.Shapes.b2Shape = b2Shape;
+ Box2D.Common.b2internal = 'Box2D.Common.b2internal';
+
+ function b2Color() {
+ b2Color.b2Color.apply(this, arguments);
+ if (this.constructor === b2Color) this.b2Color.apply(this, arguments);
+ };
+ Box2D.Common.b2Color = b2Color;
+
+ function b2Settings() {
+ b2Settings.b2Settings.apply(this, arguments);
+ };
+ Box2D.Common.b2Settings = b2Settings;
+
+ function b2Mat22() {
+ b2Mat22.b2Mat22.apply(this, arguments);
+ if (this.constructor === b2Mat22) this.b2Mat22.apply(this, arguments);
+ };
+ Box2D.Common.Math.b2Mat22 = b2Mat22;
+
+ function b2Mat33() {
+ b2Mat33.b2Mat33.apply(this, arguments);
+ if (this.constructor === b2Mat33) this.b2Mat33.apply(this, arguments);
+ };
+ Box2D.Common.Math.b2Mat33 = b2Mat33;
+
+ function b2Math() {
+ b2Math.b2Math.apply(this, arguments);
+ };
+ Box2D.Common.Math.b2Math = b2Math;
+
+ function b2Sweep() {
+ b2Sweep.b2Sweep.apply(this, arguments);
+ };
+ Box2D.Common.Math.b2Sweep = b2Sweep;
+
+ function b2Transform() {
+ b2Transform.b2Transform.apply(this, arguments);
+ if (this.constructor === b2Transform) this.b2Transform.apply(this, arguments);
+ };
+ Box2D.Common.Math.b2Transform = b2Transform;
+
+ function b2Vec2() {
+ b2Vec2.b2Vec2.apply(this, arguments);
+ if (this.constructor === b2Vec2) this.b2Vec2.apply(this, arguments);
+ };
+ Box2D.Common.Math.b2Vec2 = b2Vec2;
+
+ function b2Vec3() {
+ b2Vec3.b2Vec3.apply(this, arguments);
+ if (this.constructor === b2Vec3) this.b2Vec3.apply(this, arguments);
+ };
+ Box2D.Common.Math.b2Vec3 = b2Vec3;
+
+ function b2Body() {
+ b2Body.b2Body.apply(this, arguments);
+ if (this.constructor === b2Body) this.b2Body.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2Body = b2Body;
+
+ function b2BodyDef() {
+ b2BodyDef.b2BodyDef.apply(this, arguments);
+ if (this.constructor === b2BodyDef) this.b2BodyDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2BodyDef = b2BodyDef;
+
+ function b2ContactFilter() {
+ b2ContactFilter.b2ContactFilter.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2ContactFilter = b2ContactFilter;
+
+ function b2ContactImpulse() {
+ b2ContactImpulse.b2ContactImpulse.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2ContactImpulse = b2ContactImpulse;
+
+ function b2ContactListener() {
+ b2ContactListener.b2ContactListener.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2ContactListener = b2ContactListener;
+
+ function b2ContactManager() {
+ b2ContactManager.b2ContactManager.apply(this, arguments);
+ if (this.constructor === b2ContactManager) this.b2ContactManager.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2ContactManager = b2ContactManager;
+
+ function b2DebugDraw() {
+ b2DebugDraw.b2DebugDraw.apply(this, arguments);
+ if (this.constructor === b2DebugDraw) this.b2DebugDraw.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2DebugDraw = b2DebugDraw;
+
+ function b2DestructionListener() {
+ b2DestructionListener.b2DestructionListener.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2DestructionListener = b2DestructionListener;
+
+ function b2FilterData() {
+ b2FilterData.b2FilterData.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2FilterData = b2FilterData;
+
+ function b2Fixture() {
+ b2Fixture.b2Fixture.apply(this, arguments);
+ if (this.constructor === b2Fixture) this.b2Fixture.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2Fixture = b2Fixture;
+
+ function b2FixtureDef() {
+ b2FixtureDef.b2FixtureDef.apply(this, arguments);
+ if (this.constructor === b2FixtureDef) this.b2FixtureDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2FixtureDef = b2FixtureDef;
+
+ function b2Island() {
+ b2Island.b2Island.apply(this, arguments);
+ if (this.constructor === b2Island) this.b2Island.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2Island = b2Island;
+
+ function b2TimeStep() {
+ b2TimeStep.b2TimeStep.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2TimeStep = b2TimeStep;
+
+ function b2World() {
+ b2World.b2World.apply(this, arguments);
+ if (this.constructor === b2World) this.b2World.apply(this, arguments);
+ };
+ Box2D.Dynamics.b2World = b2World;
+
+ function b2CircleContact() {
+ b2CircleContact.b2CircleContact.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2CircleContact = b2CircleContact;
+
+ function b2Contact() {
+ b2Contact.b2Contact.apply(this, arguments);
+ if (this.constructor === b2Contact) this.b2Contact.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2Contact = b2Contact;
+
+ function b2ContactConstraint() {
+ b2ContactConstraint.b2ContactConstraint.apply(this, arguments);
+ if (this.constructor === b2ContactConstraint) this.b2ContactConstraint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2ContactConstraint = b2ContactConstraint;
+
+ function b2ContactConstraintPoint() {
+ b2ContactConstraintPoint.b2ContactConstraintPoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2ContactConstraintPoint = b2ContactConstraintPoint;
+
+ function b2ContactEdge() {
+ b2ContactEdge.b2ContactEdge.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2ContactEdge = b2ContactEdge;
+
+ function b2ContactFactory() {
+ b2ContactFactory.b2ContactFactory.apply(this, arguments);
+ if (this.constructor === b2ContactFactory) this.b2ContactFactory.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2ContactFactory = b2ContactFactory;
+
+ function b2ContactRegister() {
+ b2ContactRegister.b2ContactRegister.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2ContactRegister = b2ContactRegister;
+
+ function b2ContactResult() {
+ b2ContactResult.b2ContactResult.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2ContactResult = b2ContactResult;
+
+ function b2ContactSolver() {
+ b2ContactSolver.b2ContactSolver.apply(this, arguments);
+ if (this.constructor === b2ContactSolver) this.b2ContactSolver.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2ContactSolver = b2ContactSolver;
+
+ function b2EdgeAndCircleContact() {
+ b2EdgeAndCircleContact.b2EdgeAndCircleContact.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2EdgeAndCircleContact = b2EdgeAndCircleContact;
+
+ function b2NullContact() {
+ b2NullContact.b2NullContact.apply(this, arguments);
+ if (this.constructor === b2NullContact) this.b2NullContact.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2NullContact = b2NullContact;
+
+ function b2PolyAndCircleContact() {
+ b2PolyAndCircleContact.b2PolyAndCircleContact.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2PolyAndCircleContact = b2PolyAndCircleContact;
+
+ function b2PolyAndEdgeContact() {
+ b2PolyAndEdgeContact.b2PolyAndEdgeContact.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2PolyAndEdgeContact = b2PolyAndEdgeContact;
+
+ function b2PolygonContact() {
+ b2PolygonContact.b2PolygonContact.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2PolygonContact = b2PolygonContact;
+
+ function b2PositionSolverManifold() {
+ b2PositionSolverManifold.b2PositionSolverManifold.apply(this, arguments);
+ if (this.constructor === b2PositionSolverManifold) this.b2PositionSolverManifold.apply(this, arguments);
+ };
+ Box2D.Dynamics.Contacts.b2PositionSolverManifold = b2PositionSolverManifold;
+
+ function b2BuoyancyController() {
+ b2BuoyancyController.b2BuoyancyController.apply(this, arguments);
+ };
+ Box2D.Dynamics.Controllers.b2BuoyancyController = b2BuoyancyController;
+
+ function b2ConstantAccelController() {
+ b2ConstantAccelController.b2ConstantAccelController.apply(this, arguments);
+ };
+ Box2D.Dynamics.Controllers.b2ConstantAccelController = b2ConstantAccelController;
+
+ function b2ConstantForceController() {
+ b2ConstantForceController.b2ConstantForceController.apply(this, arguments);
+ };
+ Box2D.Dynamics.Controllers.b2ConstantForceController = b2ConstantForceController;
+
+ function b2Controller() {
+ b2Controller.b2Controller.apply(this, arguments);
+ };
+ Box2D.Dynamics.Controllers.b2Controller = b2Controller;
+
+ function b2ControllerEdge() {
+ b2ControllerEdge.b2ControllerEdge.apply(this, arguments);
+ };
+ Box2D.Dynamics.Controllers.b2ControllerEdge = b2ControllerEdge;
+
+ function b2GravityController() {
+ b2GravityController.b2GravityController.apply(this, arguments);
+ };
+ Box2D.Dynamics.Controllers.b2GravityController = b2GravityController;
+
+ function b2TensorDampingController() {
+ b2TensorDampingController.b2TensorDampingController.apply(this, arguments);
+ };
+ Box2D.Dynamics.Controllers.b2TensorDampingController = b2TensorDampingController;
+
+ function b2DistanceJoint() {
+ b2DistanceJoint.b2DistanceJoint.apply(this, arguments);
+ if (this.constructor === b2DistanceJoint) this.b2DistanceJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2DistanceJoint = b2DistanceJoint;
+
+ function b2DistanceJointDef() {
+ b2DistanceJointDef.b2DistanceJointDef.apply(this, arguments);
+ if (this.constructor === b2DistanceJointDef) this.b2DistanceJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2DistanceJointDef = b2DistanceJointDef;
+
+ function b2FrictionJoint() {
+ b2FrictionJoint.b2FrictionJoint.apply(this, arguments);
+ if (this.constructor === b2FrictionJoint) this.b2FrictionJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2FrictionJoint = b2FrictionJoint;
+
+ function b2FrictionJointDef() {
+ b2FrictionJointDef.b2FrictionJointDef.apply(this, arguments);
+ if (this.constructor === b2FrictionJointDef) this.b2FrictionJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2FrictionJointDef = b2FrictionJointDef;
+
+ function b2GearJoint() {
+ b2GearJoint.b2GearJoint.apply(this, arguments);
+ if (this.constructor === b2GearJoint) this.b2GearJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2GearJoint = b2GearJoint;
+
+ function b2GearJointDef() {
+ b2GearJointDef.b2GearJointDef.apply(this, arguments);
+ if (this.constructor === b2GearJointDef) this.b2GearJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2GearJointDef = b2GearJointDef;
+
+ function b2Jacobian() {
+ b2Jacobian.b2Jacobian.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2Jacobian = b2Jacobian;
+
+ function b2Joint() {
+ b2Joint.b2Joint.apply(this, arguments);
+ if (this.constructor === b2Joint) this.b2Joint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2Joint = b2Joint;
+
+ function b2JointDef() {
+ b2JointDef.b2JointDef.apply(this, arguments);
+ if (this.constructor === b2JointDef) this.b2JointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2JointDef = b2JointDef;
+
+ function b2JointEdge() {
+ b2JointEdge.b2JointEdge.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2JointEdge = b2JointEdge;
+
+ function b2LineJoint() {
+ b2LineJoint.b2LineJoint.apply(this, arguments);
+ if (this.constructor === b2LineJoint) this.b2LineJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2LineJoint = b2LineJoint;
+
+ function b2LineJointDef() {
+ b2LineJointDef.b2LineJointDef.apply(this, arguments);
+ if (this.constructor === b2LineJointDef) this.b2LineJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2LineJointDef = b2LineJointDef;
+
+ function b2MouseJoint() {
+ b2MouseJoint.b2MouseJoint.apply(this, arguments);
+ if (this.constructor === b2MouseJoint) this.b2MouseJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2MouseJoint = b2MouseJoint;
+
+ function b2MouseJointDef() {
+ b2MouseJointDef.b2MouseJointDef.apply(this, arguments);
+ if (this.constructor === b2MouseJointDef) this.b2MouseJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2MouseJointDef = b2MouseJointDef;
+
+ function b2PrismaticJoint() {
+ b2PrismaticJoint.b2PrismaticJoint.apply(this, arguments);
+ if (this.constructor === b2PrismaticJoint) this.b2PrismaticJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2PrismaticJoint = b2PrismaticJoint;
+
+ function b2PrismaticJointDef() {
+ b2PrismaticJointDef.b2PrismaticJointDef.apply(this, arguments);
+ if (this.constructor === b2PrismaticJointDef) this.b2PrismaticJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2PrismaticJointDef = b2PrismaticJointDef;
+
+ function b2PulleyJoint() {
+ b2PulleyJoint.b2PulleyJoint.apply(this, arguments);
+ if (this.constructor === b2PulleyJoint) this.b2PulleyJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2PulleyJoint = b2PulleyJoint;
+
+ function b2PulleyJointDef() {
+ b2PulleyJointDef.b2PulleyJointDef.apply(this, arguments);
+ if (this.constructor === b2PulleyJointDef) this.b2PulleyJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2PulleyJointDef = b2PulleyJointDef;
+
+ function b2RevoluteJoint() {
+ b2RevoluteJoint.b2RevoluteJoint.apply(this, arguments);
+ if (this.constructor === b2RevoluteJoint) this.b2RevoluteJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2RevoluteJoint = b2RevoluteJoint;
+
+ function b2RevoluteJointDef() {
+ b2RevoluteJointDef.b2RevoluteJointDef.apply(this, arguments);
+ if (this.constructor === b2RevoluteJointDef) this.b2RevoluteJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2RevoluteJointDef = b2RevoluteJointDef;
+
+ function b2WeldJoint() {
+ b2WeldJoint.b2WeldJoint.apply(this, arguments);
+ if (this.constructor === b2WeldJoint) this.b2WeldJoint.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2WeldJoint = b2WeldJoint;
+
+ function b2WeldJointDef() {
+ b2WeldJointDef.b2WeldJointDef.apply(this, arguments);
+ if (this.constructor === b2WeldJointDef) this.b2WeldJointDef.apply(this, arguments);
+ };
+ Box2D.Dynamics.Joints.b2WeldJointDef = b2WeldJointDef;
+})(); //definitions
+Box2D.postDefs = [];
+(function () {
+ var b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
+ b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
+ b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
+ b2MassData = Box2D.Collision.Shapes.b2MassData,
+ b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
+ b2Shape = Box2D.Collision.Shapes.b2Shape,
+ b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3,
+ b2AABB = Box2D.Collision.b2AABB,
+ b2Bound = Box2D.Collision.b2Bound,
+ b2BoundValues = Box2D.Collision.b2BoundValues,
+ b2Collision = Box2D.Collision.b2Collision,
+ b2ContactID = Box2D.Collision.b2ContactID,
+ b2ContactPoint = Box2D.Collision.b2ContactPoint,
+ b2Distance = Box2D.Collision.b2Distance,
+ b2DistanceInput = Box2D.Collision.b2DistanceInput,
+ b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
+ b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
+ b2DynamicTree = Box2D.Collision.b2DynamicTree,
+ b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
+ b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
+ b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
+ b2Manifold = Box2D.Collision.b2Manifold,
+ b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
+ b2Point = Box2D.Collision.b2Point,
+ b2RayCastInput = Box2D.Collision.b2RayCastInput,
+ b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
+ b2Segment = Box2D.Collision.b2Segment,
+ b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
+ b2Simplex = Box2D.Collision.b2Simplex,
+ b2SimplexCache = Box2D.Collision.b2SimplexCache,
+ b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
+ b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
+ b2TOIInput = Box2D.Collision.b2TOIInput,
+ b2WorldManifold = Box2D.Collision.b2WorldManifold,
+ ClipVertex = Box2D.Collision.ClipVertex,
+ Features = Box2D.Collision.Features,
+ IBroadPhase = Box2D.Collision.IBroadPhase;
+
+ b2AABB.b2AABB = function () {
+ this.lowerBound = new b2Vec2();
+ this.upperBound = new b2Vec2();
+ };
+ b2AABB.prototype.IsValid = function () {
+ var dX = this.upperBound.x - this.lowerBound.x;
+ var dY = this.upperBound.y - this.lowerBound.y;
+ var valid = dX >= 0.0 && dY >= 0.0;
+ valid = valid && this.lowerBound.IsValid() && this.upperBound.IsValid();
+ return valid;
+ }
+ b2AABB.prototype.GetCenter = function () {
+ return new b2Vec2((this.lowerBound.x + this.upperBound.x) / 2, (this.lowerBound.y + this.upperBound.y) / 2);
+ }
+ b2AABB.prototype.GetExtents = function () {
+ return new b2Vec2((this.upperBound.x - this.lowerBound.x) / 2, (this.upperBound.y - this.lowerBound.y) / 2);
+ }
+ b2AABB.prototype.Contains = function (aabb) {
+ var result = true;
+ result = result && this.lowerBound.x <= aabb.lowerBound.x;
+ result = result && this.lowerBound.y <= aabb.lowerBound.y;
+ result = result && aabb.upperBound.x <= this.upperBound.x;
+ result = result && aabb.upperBound.y <= this.upperBound.y;
+ return result;
+ }
+ b2AABB.prototype.RayCast = function (output, input) {
+ var tmin = (-Number.MAX_VALUE);
+ var tmax = Number.MAX_VALUE;
+ var pX = input.p1.x;
+ var pY = input.p1.y;
+ var dX = input.p2.x - input.p1.x;
+ var dY = input.p2.y - input.p1.y;
+ var absDX = Math.abs(dX);
+ var absDY = Math.abs(dY);
+ var normal = output.normal;
+ var inv_d = 0;
+ var t1 = 0;
+ var t2 = 0;
+ var t3 = 0;
+ var s = 0; {
+ if (absDX < Number.MIN_VALUE) {
+ if (pX < this.lowerBound.x || this.upperBound.x < pX) return false;
+ }
+ else {
+ inv_d = 1.0 / dX;
+ t1 = (this.lowerBound.x - pX) * inv_d;
+ t2 = (this.upperBound.x - pX) * inv_d;
+ s = (-1.0);
+ if (t1 > t2) {
+ t3 = t1;
+ t1 = t2;
+ t2 = t3;
+ s = 1.0;
+ }
+ if (t1 > tmin) {
+ normal.x = s;
+ normal.y = 0;
+ tmin = t1;
+ }
+ tmax = Math.min(tmax, t2);
+ if (tmin > tmax) return false;
+ }
+ } {
+ if (absDY < Number.MIN_VALUE) {
+ if (pY < this.lowerBound.y || this.upperBound.y < pY) return false;
+ }
+ else {
+ inv_d = 1.0 / dY;
+ t1 = (this.lowerBound.y - pY) * inv_d;
+ t2 = (this.upperBound.y - pY) * inv_d;
+ s = (-1.0);
+ if (t1 > t2) {
+ t3 = t1;
+ t1 = t2;
+ t2 = t3;
+ s = 1.0;
+ }
+ if (t1 > tmin) {
+ normal.y = s;
+ normal.x = 0;
+ tmin = t1;
+ }
+ tmax = Math.min(tmax, t2);
+ if (tmin > tmax) return false;
+ }
+ }
+ output.fraction = tmin;
+ return true;
+ }
+ b2AABB.prototype.TestOverlap = function (other) {
+ var d1X = other.lowerBound.x - this.upperBound.x;
+ var d1Y = other.lowerBound.y - this.upperBound.y;
+ var d2X = this.lowerBound.x - other.upperBound.x;
+ var d2Y = this.lowerBound.y - other.upperBound.y;
+ if (d1X > 0.0 || d1Y > 0.0) return false;
+ if (d2X > 0.0 || d2Y > 0.0) return false;
+ return true;
+ }
+ b2AABB.Combine = function (aabb1, aabb2) {
+ var aabb = new b2AABB();
+ aabb.Combine(aabb1, aabb2);
+ return aabb;
+ }
+ b2AABB.prototype.Combine = function (aabb1, aabb2) {
+ this.lowerBound.x = Math.min(aabb1.lowerBound.x, aabb2.lowerBound.x);
+ this.lowerBound.y = Math.min(aabb1.lowerBound.y, aabb2.lowerBound.y);
+ this.upperBound.x = Math.max(aabb1.upperBound.x, aabb2.upperBound.x);
+ this.upperBound.y = Math.max(aabb1.upperBound.y, aabb2.upperBound.y);
+ }
+ b2Bound.b2Bound = function () {};
+ b2Bound.prototype.IsLower = function () {
+ return (this.value & 1) == 0;
+ }
+ b2Bound.prototype.IsUpper = function () {
+ return (this.value & 1) == 1;
+ }
+ b2Bound.prototype.Swap = function (b) {
+ var tempValue = this.value;
+ var tempProxy = this.proxy;
+ var tempStabbingCount = this.stabbingCount;
+ this.value = b.value;
+ this.proxy = b.proxy;
+ this.stabbingCount = b.stabbingCount;
+ b.value = tempValue;
+ b.proxy = tempProxy;
+ b.stabbingCount = tempStabbingCount;
+ }
+ b2BoundValues.b2BoundValues = function () {};
+ b2BoundValues.prototype.b2BoundValues = function () {
+ this.lowerValues = new Vector_a2j_Number();
+ this.lowerValues[0] = 0.0;
+ this.lowerValues[1] = 0.0;
+ this.upperValues = new Vector_a2j_Number();
+ this.upperValues[0] = 0.0;
+ this.upperValues[1] = 0.0;
+ }
+ b2Collision.b2Collision = function () {};
+ b2Collision.ClipSegmentToLine = function (vOut, vIn, normal, offset) {
+ if (offset === undefined) offset = 0;
+ var cv;
+ var numOut = 0;
+ cv = vIn[0];
+ var vIn0 = cv.v;
+ cv = vIn[1];
+ var vIn1 = cv.v;
+ var distance0 = normal.x * vIn0.x + normal.y * vIn0.y - offset;
+ var distance1 = normal.x * vIn1.x + normal.y * vIn1.y - offset;
+ if (distance0 <= 0.0) vOut[numOut++].Set(vIn[0]);
+ if (distance1 <= 0.0) vOut[numOut++].Set(vIn[1]);
+ if (distance0 * distance1 < 0.0) {
+ var interp = distance0 / (distance0 - distance1);
+ cv = vOut[numOut];
+ var tVec = cv.v;
+ tVec.x = vIn0.x + interp * (vIn1.x - vIn0.x);
+ tVec.y = vIn0.y + interp * (vIn1.y - vIn0.y);
+ cv = vOut[numOut];
+ var cv2;
+ if (distance0 > 0.0) {
+ cv2 = vIn[0];
+ cv.id = cv2.id;
+ }
+ else {
+ cv2 = vIn[1];
+ cv.id = cv2.id;
+ }++numOut;
+ }
+ return numOut;
+ }
+ b2Collision.EdgeSeparation = function (poly1, xf1, edge1, poly2, xf2) {
+ if (edge1 === undefined) edge1 = 0;
+ var count1 = parseInt(poly1.m_vertexCount);
+ var vertices1 = poly1.m_vertices;
+ var normals1 = poly1.m_normals;
+ var count2 = parseInt(poly2.m_vertexCount);
+ var vertices2 = poly2.m_vertices;
+ var tMat;
+ var tVec;
+ tMat = xf1.R;
+ tVec = normals1[edge1];
+ var normal1WorldX = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var normal1WorldY = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tMat = xf2.R;
+ var normal1X = (tMat.col1.x * normal1WorldX + tMat.col1.y * normal1WorldY);
+ var normal1Y = (tMat.col2.x * normal1WorldX + tMat.col2.y * normal1WorldY);
+ var index = 0;
+ var minDot = Number.MAX_VALUE;
+ for (var i = 0; i < count2; ++i) {
+ tVec = vertices2[i];
+ var dot = tVec.x * normal1X + tVec.y * normal1Y;
+ if (dot < minDot) {
+ minDot = dot;
+ index = i;
+ }
+ }
+ tVec = vertices1[edge1];
+ tMat = xf1.R;
+ var v1X = xf1.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var v1Y = xf1.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tVec = vertices2[index];
+ tMat = xf2.R;
+ var v2X = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var v2Y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ v2X -= v1X;
+ v2Y -= v1Y;
+ var separation = v2X * normal1WorldX + v2Y * normal1WorldY;
+ return separation;
+ }
+ b2Collision.FindMaxSeparation = function (edgeIndex, poly1, xf1, poly2, xf2) {
+ var count1 = parseInt(poly1.m_vertexCount);
+ var normals1 = poly1.m_normals;
+ var tVec;
+ var tMat;
+ tMat = xf2.R;
+ tVec = poly2.m_centroid;
+ var dX = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var dY = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tMat = xf1.R;
+ tVec = poly1.m_centroid;
+ dX -= xf1.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ dY -= xf1.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ var dLocal1X = (dX * xf1.R.col1.x + dY * xf1.R.col1.y);
+ var dLocal1Y = (dX * xf1.R.col2.x + dY * xf1.R.col2.y);
+ var edge = 0;
+ var maxDot = (-Number.MAX_VALUE);
+ for (var i = 0; i < count1; ++i) {
+ tVec = normals1[i];
+ var dot = (tVec.x * dLocal1X + tVec.y * dLocal1Y);
+ if (dot > maxDot) {
+ maxDot = dot;
+ edge = i;
+ }
+ }
+ var s = b2Collision.EdgeSeparation(poly1, xf1, edge, poly2, xf2);
+ var prevEdge = parseInt(edge - 1 >= 0 ? edge - 1 : count1 - 1);
+ var sPrev = b2Collision.EdgeSeparation(poly1, xf1, prevEdge, poly2, xf2);
+ var nextEdge = parseInt(edge + 1 < count1 ? edge + 1 : 0);
+ var sNext = b2Collision.EdgeSeparation(poly1, xf1, nextEdge, poly2, xf2);
+ var bestEdge = 0;
+ var bestSeparation = 0;
+ var increment = 0;
+ if (sPrev > s && sPrev > sNext) {
+ increment = (-1);
+ bestEdge = prevEdge;
+ bestSeparation = sPrev;
+ }
+ else if (sNext > s) {
+ increment = 1;
+ bestEdge = nextEdge;
+ bestSeparation = sNext;
+ }
+ else {
+ edgeIndex[0] = edge;
+ return s;
+ }
+ while (true) {
+ if (increment == (-1)) edge = bestEdge - 1 >= 0 ? bestEdge - 1 : count1 - 1;
+ else edge = bestEdge + 1 < count1 ? bestEdge + 1 : 0;s = b2Collision.EdgeSeparation(poly1, xf1, edge, poly2, xf2);
+ if (s > bestSeparation) {
+ bestEdge = edge;
+ bestSeparation = s;
+ }
+ else {
+ break;
+ }
+ }
+ edgeIndex[0] = bestEdge;
+ return bestSeparation;
+ }
+ b2Collision.FindIncidentEdge = function (c, poly1, xf1, edge1, poly2, xf2) {
+ if (edge1 === undefined) edge1 = 0;
+ var count1 = parseInt(poly1.m_vertexCount);
+ var normals1 = poly1.m_normals;
+ var count2 = parseInt(poly2.m_vertexCount);
+ var vertices2 = poly2.m_vertices;
+ var normals2 = poly2.m_normals;
+ var tMat;
+ var tVec;
+ tMat = xf1.R;
+ tVec = normals1[edge1];
+ var normal1X = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var normal1Y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tMat = xf2.R;
+ var tX = (tMat.col1.x * normal1X + tMat.col1.y * normal1Y);
+ normal1Y = (tMat.col2.x * normal1X + tMat.col2.y * normal1Y);
+ normal1X = tX;
+ var index = 0;
+ var minDot = Number.MAX_VALUE;
+ for (var i = 0; i < count2; ++i) {
+ tVec = normals2[i];
+ var dot = (normal1X * tVec.x + normal1Y * tVec.y);
+ if (dot < minDot) {
+ minDot = dot;
+ index = i;
+ }
+ }
+ var tClip;
+ var i1 = parseInt(index);
+ var i2 = parseInt(i1 + 1 < count2 ? i1 + 1 : 0);
+ tClip = c[0];
+ tVec = vertices2[i1];
+ tMat = xf2.R;
+ tClip.v.x = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ tClip.v.y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tClip.id.features.referenceEdge = edge1;
+ tClip.id.features.incidentEdge = i1;
+ tClip.id.features.incidentVertex = 0;
+ tClip = c[1];
+ tVec = vertices2[i2];
+ tMat = xf2.R;
+ tClip.v.x = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ tClip.v.y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tClip.id.features.referenceEdge = edge1;
+ tClip.id.features.incidentEdge = i2;
+ tClip.id.features.incidentVertex = 1;
+ }
+ b2Collision.MakeClipPointVector = function () {
+ var r = new Vector(2);
+ r[0] = new ClipVertex();
+ r[1] = new ClipVertex();
+ return r;
+ }
+ b2Collision.CollidePolygons = function (manifold, polyA, xfA, polyB, xfB) {
+ var cv;
+ manifold.m_pointCount = 0;
+ var totalRadius = polyA.m_radius + polyB.m_radius;
+ var edgeA = 0;
+ b2Collision.s_edgeAO[0] = edgeA;
+ var separationA = b2Collision.FindMaxSeparation(b2Collision.s_edgeAO, polyA, xfA, polyB, xfB);
+ edgeA = b2Collision.s_edgeAO[0];
+ if (separationA > totalRadius) return;
+ var edgeB = 0;
+ b2Collision.s_edgeBO[0] = edgeB;
+ var separationB = b2Collision.FindMaxSeparation(b2Collision.s_edgeBO, polyB, xfB, polyA, xfA);
+ edgeB = b2Collision.s_edgeBO[0];
+ if (separationB > totalRadius) return;
+ var poly1;
+ var poly2;
+ var xf1;
+ var xf2;
+ var edge1 = 0;
+ var flip = 0;
+ var k_relativeTol = 0.98;
+ var k_absoluteTol = 0.001;
+ var tMat;
+ if (separationB > k_relativeTol * separationA + k_absoluteTol) {
+ poly1 = polyB;
+ poly2 = polyA;
+ xf1 = xfB;
+ xf2 = xfA;
+ edge1 = edgeB;
+ manifold.m_type = b2Manifold.e_faceB;
+ flip = 1;
+ }
+ else {
+ poly1 = polyA;
+ poly2 = polyB;
+ xf1 = xfA;
+ xf2 = xfB;
+ edge1 = edgeA;
+ manifold.m_type = b2Manifold.e_faceA;
+ flip = 0;
+ }
+ var incidentEdge = b2Collision.s_incidentEdge;
+ b2Collision.FindIncidentEdge(incidentEdge, poly1, xf1, edge1, poly2, xf2);
+ var count1 = parseInt(poly1.m_vertexCount);
+ var vertices1 = poly1.m_vertices;
+ var local_v11 = vertices1[edge1];
+ var local_v12;
+ if (edge1 + 1 < count1) {
+ local_v12 = vertices1[parseInt(edge1 + 1)];
+ }
+ else {
+ local_v12 = vertices1[0];
+ }
+ var localTangent = b2Collision.s_localTangent;
+ localTangent.Set(local_v12.x - local_v11.x, local_v12.y - local_v11.y);
+ localTangent.Normalize();
+ var localNormal = b2Collision.s_localNormal;
+ localNormal.x = localTangent.y;
+ localNormal.y = (-localTangent.x);
+ var planePoint = b2Collision.s_planePoint;
+ planePoint.Set(0.5 * (local_v11.x + local_v12.x), 0.5 * (local_v11.y + local_v12.y));
+ var tangent = b2Collision.s_tangent;
+ tMat = xf1.R;
+ tangent.x = (tMat.col1.x * localTangent.x + tMat.col2.x * localTangent.y);
+ tangent.y = (tMat.col1.y * localTangent.x + tMat.col2.y * localTangent.y);
+ var tangent2 = b2Collision.s_tangent2;
+ tangent2.x = (-tangent.x);
+ tangent2.y = (-tangent.y);
+ var normal = b2Collision.s_normal;
+ normal.x = tangent.y;
+ normal.y = (-tangent.x);
+ var v11 = b2Collision.s_v11;
+ var v12 = b2Collision.s_v12;
+ v11.x = xf1.position.x + (tMat.col1.x * local_v11.x + tMat.col2.x * local_v11.y);
+ v11.y = xf1.position.y + (tMat.col1.y * local_v11.x + tMat.col2.y * local_v11.y);
+ v12.x = xf1.position.x + (tMat.col1.x * local_v12.x + tMat.col2.x * local_v12.y);
+ v12.y = xf1.position.y + (tMat.col1.y * local_v12.x + tMat.col2.y * local_v12.y);
+ var frontOffset = normal.x * v11.x + normal.y * v11.y;
+ var sideOffset1 = (-tangent.x * v11.x) - tangent.y * v11.y + totalRadius;
+ var sideOffset2 = tangent.x * v12.x + tangent.y * v12.y + totalRadius;
+ var clipPoints1 = b2Collision.s_clipPoints1;
+ var clipPoints2 = b2Collision.s_clipPoints2;
+ var np = 0;
+ np = b2Collision.ClipSegmentToLine(clipPoints1, incidentEdge, tangent2, sideOffset1);
+ if (np < 2) return;
+ np = b2Collision.ClipSegmentToLine(clipPoints2, clipPoints1, tangent, sideOffset2);
+ if (np < 2) return;
+ manifold.m_localPlaneNormal.SetV(localNormal);
+ manifold.m_localPoint.SetV(planePoint);
+ var pointCount = 0;
+ for (var i = 0; i < b2Settings.b2_maxManifoldPoints; ++i) {
+ cv = clipPoints2[i];
+ var separation = normal.x * cv.v.x + normal.y * cv.v.y - frontOffset;
+ if (separation <= totalRadius) {
+ var cp = manifold.m_points[pointCount];
+ tMat = xf2.R;
+ var tX = cv.v.x - xf2.position.x;
+ var tY = cv.v.y - xf2.position.y;
+ cp.m_localPoint.x = (tX * tMat.col1.x + tY * tMat.col1.y);
+ cp.m_localPoint.y = (tX * tMat.col2.x + tY * tMat.col2.y);
+ cp.m_id.Set(cv.id);
+ cp.m_id.features.flip = flip;
+ ++pointCount;
+ }
+ }
+ manifold.m_pointCount = pointCount;
+ }
+ b2Collision.CollideCircles = function (manifold, circle1, xf1, circle2, xf2) {
+ manifold.m_pointCount = 0;
+ var tMat;
+ var tVec;
+ tMat = xf1.R;
+ tVec = circle1.m_p;
+ var p1X = xf1.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var p1Y = xf1.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tMat = xf2.R;
+ tVec = circle2.m_p;
+ var p2X = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var p2Y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ var dX = p2X - p1X;
+ var dY = p2Y - p1Y;
+ var distSqr = dX * dX + dY * dY;
+ var radius = circle1.m_radius + circle2.m_radius;
+ if (distSqr > radius * radius) {
+ return;
+ }
+ manifold.m_type = b2Manifold.e_circles;
+ manifold.m_localPoint.SetV(circle1.m_p);
+ manifold.m_localPlaneNormal.SetZero();
+ manifold.m_pointCount = 1;
+ manifold.m_points[0].m_localPoint.SetV(circle2.m_p);
+ manifold.m_points[0].m_id.key = 0;
+ }
+ b2Collision.CollidePolygonAndCircle = function (manifold, polygon, xf1, circle, xf2) {
+ manifold.m_pointCount = 0;
+ var tPoint;
+ var dX = 0;
+ var dY = 0;
+ var positionX = 0;
+ var positionY = 0;
+ var tVec;
+ var tMat;
+ tMat = xf2.R;
+ tVec = circle.m_p;
+ var cX = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var cY = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ dX = cX - xf1.position.x;
+ dY = cY - xf1.position.y;
+ tMat = xf1.R;
+ var cLocalX = (dX * tMat.col1.x + dY * tMat.col1.y);
+ var cLocalY = (dX * tMat.col2.x + dY * tMat.col2.y);
+ var dist = 0;
+ var normalIndex = 0;
+ var separation = (-Number.MAX_VALUE);
+ var radius = polygon.m_radius + circle.m_radius;
+ var vertexCount = parseInt(polygon.m_vertexCount);
+ var vertices = polygon.m_vertices;
+ var normals = polygon.m_normals;
+ for (var i = 0; i < vertexCount; ++i) {
+ tVec = vertices[i];
+ dX = cLocalX - tVec.x;
+ dY = cLocalY - tVec.y;
+ tVec = normals[i];
+ var s = tVec.x * dX + tVec.y * dY;
+ if (s > radius) {
+ return;
+ }
+ if (s > separation) {
+ separation = s;
+ normalIndex = i;
+ }
+ }
+ var vertIndex1 = parseInt(normalIndex);
+ var vertIndex2 = parseInt(vertIndex1 + 1 < vertexCount ? vertIndex1 + 1 : 0);
+ var v1 = vertices[vertIndex1];
+ var v2 = vertices[vertIndex2];
+ if (separation < Number.MIN_VALUE) {
+ manifold.m_pointCount = 1;
+ manifold.m_type = b2Manifold.e_faceA;
+ manifold.m_localPlaneNormal.SetV(normals[normalIndex]);
+ manifold.m_localPoint.x = 0.5 * (v1.x + v2.x);
+ manifold.m_localPoint.y = 0.5 * (v1.y + v2.y);
+ manifold.m_points[0].m_localPoint.SetV(circle.m_p);
+ manifold.m_points[0].m_id.key = 0;
+ return;
+ }
+ var u1 = (cLocalX - v1.x) * (v2.x - v1.x) + (cLocalY - v1.y) * (v2.y - v1.y);
+ var u2 = (cLocalX - v2.x) * (v1.x - v2.x) + (cLocalY - v2.y) * (v1.y - v2.y);
+ if (u1 <= 0.0) {
+ if ((cLocalX - v1.x) * (cLocalX - v1.x) + (cLocalY - v1.y) * (cLocalY - v1.y) > radius * radius) return;
+ manifold.m_pointCount = 1;
+ manifold.m_type = b2Manifold.e_faceA;
+ manifold.m_localPlaneNormal.x = cLocalX - v1.x;
+ manifold.m_localPlaneNormal.y = cLocalY - v1.y;
+ manifold.m_localPlaneNormal.Normalize();
+ manifold.m_localPoint.SetV(v1);
+ manifold.m_points[0].m_localPoint.SetV(circle.m_p);
+ manifold.m_points[0].m_id.key = 0;
+ }
+ else if (u2 <= 0) {
+ if ((cLocalX - v2.x) * (cLocalX - v2.x) + (cLocalY - v2.y) * (cLocalY - v2.y) > radius * radius) return;
+ manifold.m_pointCount = 1;
+ manifold.m_type = b2Manifold.e_faceA;
+ manifold.m_localPlaneNormal.x = cLocalX - v2.x;
+ manifold.m_localPlaneNormal.y = cLocalY - v2.y;
+ manifold.m_localPlaneNormal.Normalize();
+ manifold.m_localPoint.SetV(v2);
+ manifold.m_points[0].m_localPoint.SetV(circle.m_p);
+ manifold.m_points[0].m_id.key = 0;
+ }
+ else {
+ var faceCenterX = 0.5 * (v1.x + v2.x);
+ var faceCenterY = 0.5 * (v1.y + v2.y);
+ separation = (cLocalX - faceCenterX) * normals[vertIndex1].x + (cLocalY - faceCenterY) * normals[vertIndex1].y;
+ if (separation > radius) return;
+ manifold.m_pointCount = 1;
+ manifold.m_type = b2Manifold.e_faceA;
+ manifold.m_localPlaneNormal.x = normals[vertIndex1].x;
+ manifold.m_localPlaneNormal.y = normals[vertIndex1].y;
+ manifold.m_localPlaneNormal.Normalize();
+ manifold.m_localPoint.Set(faceCenterX, faceCenterY);
+ manifold.m_points[0].m_localPoint.SetV(circle.m_p);
+ manifold.m_points[0].m_id.key = 0;
+ }
+ }
+ b2Collision.TestOverlap = function (a, b) {
+ var t1 = b.lowerBound;
+ var t2 = a.upperBound;
+ var d1X = t1.x - t2.x;
+ var d1Y = t1.y - t2.y;
+ t1 = a.lowerBound;
+ t2 = b.upperBound;
+ var d2X = t1.x - t2.x;
+ var d2Y = t1.y - t2.y;
+ if (d1X > 0.0 || d1Y > 0.0) return false;
+ if (d2X > 0.0 || d2Y > 0.0) return false;
+ return true;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Collision.b2Collision.s_incidentEdge = b2Collision.MakeClipPointVector();
+ Box2D.Collision.b2Collision.s_clipPoints1 = b2Collision.MakeClipPointVector();
+ Box2D.Collision.b2Collision.s_clipPoints2 = b2Collision.MakeClipPointVector();
+ Box2D.Collision.b2Collision.s_edgeAO = new Vector_a2j_Number(1);
+ Box2D.Collision.b2Collision.s_edgeBO = new Vector_a2j_Number(1);
+ Box2D.Collision.b2Collision.s_localTangent = new b2Vec2();
+ Box2D.Collision.b2Collision.s_localNormal = new b2Vec2();
+ Box2D.Collision.b2Collision.s_planePoint = new b2Vec2();
+ Box2D.Collision.b2Collision.s_normal = new b2Vec2();
+ Box2D.Collision.b2Collision.s_tangent = new b2Vec2();
+ Box2D.Collision.b2Collision.s_tangent2 = new b2Vec2();
+ Box2D.Collision.b2Collision.s_v11 = new b2Vec2();
+ Box2D.Collision.b2Collision.s_v12 = new b2Vec2();
+ Box2D.Collision.b2Collision.b2CollidePolyTempVec = new b2Vec2();
+ Box2D.Collision.b2Collision.b2_nullFeature = 0x000000ff;
+ });
+ b2ContactID.b2ContactID = function () {
+ this.features = new Features();
+ };
+ b2ContactID.prototype.b2ContactID = function () {
+ this.features._m_id = this;
+ }
+ b2ContactID.prototype.Set = function (id) {
+ this.key = id._key;
+ }
+ b2ContactID.prototype.Copy = function () {
+ var id = new b2ContactID();
+ id.key = this.key;
+ return id;
+ }
+ Object.defineProperty(b2ContactID.prototype, 'key', {
+ enumerable: false,
+ configurable: true,
+ get: function () {
+ return this._key;
+ }
+ });
+ Object.defineProperty(b2ContactID.prototype, 'key', {
+ enumerable: false,
+ configurable: true,
+ set: function (value) {
+ if (value === undefined) value = 0;
+ this._key = value;
+ this.features._referenceEdge = this._key & 0x000000ff;
+ this.features._incidentEdge = ((this._key & 0x0000ff00) >> 8) & 0x000000ff;
+ this.features._incidentVertex = ((this._key & 0x00ff0000) >> 16) & 0x000000ff;
+ this.features._flip = ((this._key & 0xff000000) >> 24) & 0x000000ff;
+ }
+ });
+ b2ContactPoint.b2ContactPoint = function () {
+ this.position = new b2Vec2();
+ this.velocity = new b2Vec2();
+ this.normal = new b2Vec2();
+ this.id = new b2ContactID();
+ };
+ b2Distance.b2Distance = function () {};
+ b2Distance.Distance = function (output, cache, input) {
+ ++b2Distance.b2_gjkCalls;
+ var proxyA = input.proxyA;
+ var proxyB = input.proxyB;
+ var transformA = input.transformA;
+ var transformB = input.transformB;
+ var simplex = b2Distance.s_simplex;
+ simplex.ReadCache(cache, proxyA, transformA, proxyB, transformB);
+ var vertices = simplex.m_vertices;
+ var k_maxIters = 20;
+ var saveA = b2Distance.s_saveA;
+ var saveB = b2Distance.s_saveB;
+ var saveCount = 0;
+ var closestPoint = simplex.GetClosestPoint();
+ var distanceSqr1 = closestPoint.LengthSquared();
+ var distanceSqr2 = distanceSqr1;
+ var i = 0;
+ var p;
+ var iter = 0;
+ while (iter < k_maxIters) {
+ saveCount = simplex.m_count;
+ for (i = 0;
+ i < saveCount; i++) {
+ saveA[i] = vertices[i].indexA;
+ saveB[i] = vertices[i].indexB;
+ }
+ switch (simplex.m_count) {
+ case 1:
+ break;
+ case 2:
+ simplex.Solve2();
+ break;
+ case 3:
+ simplex.Solve3();
+ break;
+ default:
+ b2Settings.b2Assert(false);
+ }
+ if (simplex.m_count == 3) {
+ break;
+ }
+ p = simplex.GetClosestPoint();
+ distanceSqr2 = p.LengthSquared();
+ if (distanceSqr2 > distanceSqr1) {}
+ distanceSqr1 = distanceSqr2;
+ var d = simplex.GetSearchDirection();
+ if (d.LengthSquared() < Number.MIN_VALUE * Number.MIN_VALUE) {
+ break;
+ }
+ var vertex = vertices[simplex.m_count];
+ vertex.indexA = proxyA.GetSupport(b2Math.MulTMV(transformA.R, d.GetNegative()));
+ vertex.wA = b2Math.MulX(transformA, proxyA.GetVertex(vertex.indexA));
+ vertex.indexB = proxyB.GetSupport(b2Math.MulTMV(transformB.R, d));
+ vertex.wB = b2Math.MulX(transformB, proxyB.GetVertex(vertex.indexB));
+ vertex.w = b2Math.SubtractVV(vertex.wB, vertex.wA);
+ ++iter;
+ ++b2Distance.b2_gjkIters;
+ var duplicate = false;
+ for (i = 0;
+ i < saveCount; i++) {
+ if (vertex.indexA == saveA[i] && vertex.indexB == saveB[i]) {
+ duplicate = true;
+ break;
+ }
+ }
+ if (duplicate) {
+ break;
+ }++simplex.m_count;
+ }
+ b2Distance.b2_gjkMaxIters = b2Math.Max(b2Distance.b2_gjkMaxIters, iter);
+ simplex.GetWitnessPoints(output.pointA, output.pointB);
+ output.distance = b2Math.SubtractVV(output.pointA, output.pointB).Length();
+ output.iterations = iter;
+ simplex.WriteCache(cache);
+ if (input.useRadii) {
+ var rA = proxyA.m_radius;
+ var rB = proxyB.m_radius;
+ if (output.distance > rA + rB && output.distance > Number.MIN_VALUE) {
+ output.distance -= rA + rB;
+ var normal = b2Math.SubtractVV(output.pointB, output.pointA);
+ normal.Normalize();
+ output.pointA.x += rA * normal.x;
+ output.pointA.y += rA * normal.y;
+ output.pointB.x -= rB * normal.x;
+ output.pointB.y -= rB * normal.y;
+ }
+ else {
+ p = new b2Vec2();
+ p.x = .5 * (output.pointA.x + output.pointB.x);
+ p.y = .5 * (output.pointA.y + output.pointB.y);
+ output.pointA.x = output.pointB.x = p.x;
+ output.pointA.y = output.pointB.y = p.y;
+ output.distance = 0.0;
+ }
+ }
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Collision.b2Distance.s_simplex = new b2Simplex();
+ Box2D.Collision.b2Distance.s_saveA = new Vector_a2j_Number(3);
+ Box2D.Collision.b2Distance.s_saveB = new Vector_a2j_Number(3);
+ });
+ b2DistanceInput.b2DistanceInput = function () {};
+ b2DistanceOutput.b2DistanceOutput = function () {
+ this.pointA = new b2Vec2();
+ this.pointB = new b2Vec2();
+ };
+ b2DistanceProxy.b2DistanceProxy = function () {};
+ b2DistanceProxy.prototype.Set = function (shape) {
+ switch (shape.GetType()) {
+ case b2Shape.e_circleShape:
+ {
+ var circle = (shape instanceof b2CircleShape ? shape : null);
+ this.m_vertices = new Vector(1, true);
+ this.m_vertices[0] = circle.m_p;
+ this.m_count = 1;
+ this.m_radius = circle.m_radius;
+ }
+ break;
+ case b2Shape.e_polygonShape:
+ {
+ var polygon = (shape instanceof b2PolygonShape ? shape : null);
+ this.m_vertices = polygon.m_vertices;
+ this.m_count = polygon.m_vertexCount;
+ this.m_radius = polygon.m_radius;
+ }
+ break;
+ default:
+ b2Settings.b2Assert(false);
+ }
+ }
+ b2DistanceProxy.prototype.GetSupport = function (d) {
+ var bestIndex = 0;
+ var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
+ for (var i = 1; i < this.m_count; ++i) {
+ var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
+ if (value > bestValue) {
+ bestIndex = i;
+ bestValue = value;
+ }
+ }
+ return bestIndex;
+ }
+ b2DistanceProxy.prototype.GetSupportVertex = function (d) {
+ var bestIndex = 0;
+ var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
+ for (var i = 1; i < this.m_count; ++i) {
+ var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
+ if (value > bestValue) {
+ bestIndex = i;
+ bestValue = value;
+ }
+ }
+ return this.m_vertices[bestIndex];
+ }
+ b2DistanceProxy.prototype.GetVertexCount = function () {
+ return this.m_count;
+ }
+ b2DistanceProxy.prototype.GetVertex = function (index) {
+ if (index === undefined) index = 0;
+ b2Settings.b2Assert(0 <= index && index < this.m_count);
+ return this.m_vertices[index];
+ }
+ b2DynamicTree.b2DynamicTree = function () {};
+ b2DynamicTree.prototype.b2DynamicTree = function () {
+ this.m_root = null;
+ this.m_freeList = null;
+ this.m_path = 0;
+ this.m_insertionCount = 0;
+ }
+ b2DynamicTree.prototype.CreateProxy = function (aabb, userData) {
+ var node = this.AllocateNode();
+ var extendX = b2Settings.b2_aabbExtension;
+ var extendY = b2Settings.b2_aabbExtension;
+ node.aabb.lowerBound.x = aabb.lowerBound.x - extendX;
+ node.aabb.lowerBound.y = aabb.lowerBound.y - extendY;
+ node.aabb.upperBound.x = aabb.upperBound.x + extendX;
+ node.aabb.upperBound.y = aabb.upperBound.y + extendY;
+ node.userData = userData;
+ this.InsertLeaf(node);
+ return node;
+ }
+ b2DynamicTree.prototype.DestroyProxy = function (proxy) {
+ this.RemoveLeaf(proxy);
+ this.FreeNode(proxy);
+ }
+ b2DynamicTree.prototype.MoveProxy = function (proxy, aabb, displacement) {
+ b2Settings.b2Assert(proxy.IsLeaf());
+ if (proxy.aabb.Contains(aabb)) {
+ return false;
+ }
+ this.RemoveLeaf(proxy);
+ var extendX = b2Settings.b2_aabbExtension + b2Settings.b2_aabbMultiplier * (displacement.x > 0 ? displacement.x : (-displacement.x));
+ var extendY = b2Settings.b2_aabbExtension + b2Settings.b2_aabbMultiplier * (displacement.y > 0 ? displacement.y : (-displacement.y));
+ proxy.aabb.lowerBound.x = aabb.lowerBound.x - extendX;
+ proxy.aabb.lowerBound.y = aabb.lowerBound.y - extendY;
+ proxy.aabb.upperBound.x = aabb.upperBound.x + extendX;
+ proxy.aabb.upperBound.y = aabb.upperBound.y + extendY;
+ this.InsertLeaf(proxy);
+ return true;
+ }
+ b2DynamicTree.prototype.Rebalance = function (iterations) {
+ if (iterations === undefined) iterations = 0;
+ if (this.m_root == null) return;
+ for (var i = 0; i < iterations; i++) {
+ var node = this.m_root;
+ var bit = 0;
+ while (node.IsLeaf() == false) {
+ node = (this.m_path >> bit) & 1 ? node.child2 : node.child1;
+ bit = (bit + 1) & 31;
+ }++this.m_path;
+ this.RemoveLeaf(node);
+ this.InsertLeaf(node);
+ }
+ }
+ b2DynamicTree.prototype.GetFatAABB = function (proxy) {
+ return proxy.aabb;
+ }
+ b2DynamicTree.prototype.GetUserData = function (proxy) {
+ return proxy.userData;
+ }
+ b2DynamicTree.prototype.Query = function (callback, aabb) {
+ if (this.m_root == null) return;
+ var stack = new Vector();
+ var count = 0;
+ stack[count++] = this.m_root;
+ while (count > 0) {
+ var node = stack[--count];
+ if (node.aabb.TestOverlap(aabb)) {
+ if (node.IsLeaf()) {
+ var proceed = callback(node);
+ if (!proceed) return;
+ }
+ else {
+ stack[count++] = node.child1;
+ stack[count++] = node.child2;
+ }
+ }
+ }
+ }
+ b2DynamicTree.prototype.RayCast = function (callback, input) {
+ if (this.m_root == null) return;
+ var p1 = input.p1;
+ var p2 = input.p2;
+ var r = b2Math.SubtractVV(p1, p2);
+ r.Normalize();
+ var v = b2Math.CrossFV(1.0, r);
+ var abs_v = b2Math.AbsV(v);
+ var maxFraction = input.maxFraction;
+ var segmentAABB = new b2AABB();
+ var tX = 0;
+ var tY = 0; {
+ tX = p1.x + maxFraction * (p2.x - p1.x);
+ tY = p1.y + maxFraction * (p2.y - p1.y);
+ segmentAABB.lowerBound.x = Math.min(p1.x, tX);
+ segmentAABB.lowerBound.y = Math.min(p1.y, tY);
+ segmentAABB.upperBound.x = Math.max(p1.x, tX);
+ segmentAABB.upperBound.y = Math.max(p1.y, tY);
+ }
+ var stack = new Vector();
+ var count = 0;
+ stack[count++] = this.m_root;
+ while (count > 0) {
+ var node = stack[--count];
+ if (node.aabb.TestOverlap(segmentAABB) == false) {
+ continue;
+ }
+ var c = node.aabb.GetCenter();
+ var h = node.aabb.GetExtents();
+ var separation = Math.abs(v.x * (p1.x - c.x) + v.y * (p1.y - c.y)) - abs_v.x * h.x - abs_v.y * h.y;
+ if (separation > 0.0) continue;
+ if (node.IsLeaf()) {
+ var subInput = new b2RayCastInput();
+ subInput.p1 = input.p1;
+ subInput.p2 = input.p2;
+ subInput.maxFraction = input.maxFraction;
+ maxFraction = callback(subInput, node);
+ if (maxFraction == 0.0) return;
+ if (maxFraction > 0.0) {
+ tX = p1.x + maxFraction * (p2.x - p1.x);
+ tY = p1.y + maxFraction * (p2.y - p1.y);
+ segmentAABB.lowerBound.x = Math.min(p1.x, tX);
+ segmentAABB.lowerBound.y = Math.min(p1.y, tY);
+ segmentAABB.upperBound.x = Math.max(p1.x, tX);
+ segmentAABB.upperBound.y = Math.max(p1.y, tY);
+ }
+ }
+ else {
+ stack[count++] = node.child1;
+ stack[count++] = node.child2;
+ }
+ }
+ }
+ b2DynamicTree.prototype.AllocateNode = function () {
+ if (this.m_freeList) {
+ var node = this.m_freeList;
+ this.m_freeList = node.parent;
+ node.parent = null;
+ node.child1 = null;
+ node.child2 = null;
+ return node;
+ }
+ return new b2DynamicTreeNode();
+ }
+ b2DynamicTree.prototype.FreeNode = function (node) {
+ node.parent = this.m_freeList;
+ this.m_freeList = node;
+ }
+ b2DynamicTree.prototype.InsertLeaf = function (leaf) {
+ ++this.m_insertionCount;
+ if (this.m_root == null) {
+ this.m_root = leaf;
+ this.m_root.parent = null;
+ return;
+ }
+ var center = leaf.aabb.GetCenter();
+ var sibling = this.m_root;
+ if (sibling.IsLeaf() == false) {
+ do {
+ var child1 = sibling.child1;
+ var child2 = sibling.child2;
+ var norm1 = Math.abs((child1.aabb.lowerBound.x + child1.aabb.upperBound.x) / 2 - center.x) + Math.abs((child1.aabb.lowerBound.y + child1.aabb.upperBound.y) / 2 - center.y);
+ var norm2 = Math.abs((child2.aabb.lowerBound.x + child2.aabb.upperBound.x) / 2 - center.x) + Math.abs((child2.aabb.lowerBound.y + child2.aabb.upperBound.y) / 2 - center.y);
+ if (norm1 < norm2) {
+ sibling = child1;
+ }
+ else {
+ sibling = child2;
+ }
+ }
+ while (sibling.IsLeaf() == false)
+ }
+ var node1 = sibling.parent;
+ var node2 = this.AllocateNode();
+ node2.parent = node1;
+ node2.userData = null;
+ node2.aabb.Combine(leaf.aabb, sibling.aabb);
+ if (node1) {
+ if (sibling.parent.child1 == sibling) {
+ node1.child1 = node2;
+ }
+ else {
+ node1.child2 = node2;
+ }
+ node2.child1 = sibling;
+ node2.child2 = leaf;
+ sibling.parent = node2;
+ leaf.parent = node2;
+ do {
+ if (node1.aabb.Contains(node2.aabb)) break;
+ node1.aabb.Combine(node1.child1.aabb, node1.child2.aabb);
+ node2 = node1;
+ node1 = node1.parent;
+ }
+ while (node1)
+ }
+ else {
+ node2.child1 = sibling;
+ node2.child2 = leaf;
+ sibling.parent = node2;
+ leaf.parent = node2;
+ this.m_root = node2;
+ }
+ }
+ b2DynamicTree.prototype.RemoveLeaf = function (leaf) {
+ if (leaf == this.m_root) {
+ this.m_root = null;
+ return;
+ }
+ var node2 = leaf.parent;
+ var node1 = node2.parent;
+ var sibling;
+ if (node2.child1 == leaf) {
+ sibling = node2.child2;
+ }
+ else {
+ sibling = node2.child1;
+ }
+ if (node1) {
+ if (node1.child1 == node2) {
+ node1.child1 = sibling;
+ }
+ else {
+ node1.child2 = sibling;
+ }
+ sibling.parent = node1;
+ this.FreeNode(node2);
+ while (node1) {
+ var oldAABB = node1.aabb;
+ node1.aabb = b2AABB.Combine(node1.child1.aabb, node1.child2.aabb);
+ if (oldAABB.Contains(node1.aabb)) break;
+ node1 = node1.parent;
+ }
+ }
+ else {
+ this.m_root = sibling;
+ sibling.parent = null;
+ this.FreeNode(node2);
+ }
+ }
+ b2DynamicTreeBroadPhase.b2DynamicTreeBroadPhase = function () {
+ this.m_tree = new b2DynamicTree();
+ this.m_moveBuffer = new Vector();
+ this.m_pairBuffer = new Vector();
+ this.m_pairCount = 0;
+ };
+ b2DynamicTreeBroadPhase.prototype.CreateProxy = function (aabb, userData) {
+ var proxy = this.m_tree.CreateProxy(aabb, userData);
+ ++this.m_proxyCount;
+ this.BufferMove(proxy);
+ return proxy;
+ }
+ b2DynamicTreeBroadPhase.prototype.DestroyProxy = function (proxy) {
+ this.UnBufferMove(proxy);
+ --this.m_proxyCount;
+ this.m_tree.DestroyProxy(proxy);
+ }
+ b2DynamicTreeBroadPhase.prototype.MoveProxy = function (proxy, aabb, displacement) {
+ var buffer = this.m_tree.MoveProxy(proxy, aabb, displacement);
+ if (buffer) {
+ this.BufferMove(proxy);
+ }
+ }
+ b2DynamicTreeBroadPhase.prototype.TestOverlap = function (proxyA, proxyB) {
+ var aabbA = this.m_tree.GetFatAABB(proxyA);
+ var aabbB = this.m_tree.GetFatAABB(proxyB);
+ return aabbA.TestOverlap(aabbB);
+ }
+ b2DynamicTreeBroadPhase.prototype.GetUserData = function (proxy) {
+ return this.m_tree.GetUserData(proxy);
+ }
+ b2DynamicTreeBroadPhase.prototype.GetFatAABB = function (proxy) {
+ return this.m_tree.GetFatAABB(proxy);
+ }
+ b2DynamicTreeBroadPhase.prototype.GetProxyCount = function () {
+ return this.m_proxyCount;
+ }
+ b2DynamicTreeBroadPhase.prototype.UpdatePairs = function (callback) {
+ var __this = this;
+ __this.m_pairCount = 0;
+ var i = 0,
+ queryProxy;
+ for (i = 0;
+ i < __this.m_moveBuffer.length; ++i) {
+ queryProxy = __this.m_moveBuffer[i];
+
+ function QueryCallback(proxy) {
+ if (proxy == queryProxy) return true;
+ if (__this.m_pairCount == __this.m_pairBuffer.length) {
+ __this.m_pairBuffer[__this.m_pairCount] = new b2DynamicTreePair();
+ }
+ var pair = __this.m_pairBuffer[__this.m_pairCount];
+ pair.proxyA = proxy < queryProxy ? proxy : queryProxy;
+ pair.proxyB = proxy >= queryProxy ? proxy : queryProxy;++__this.m_pairCount;
+ return true;
+ };
+ var fatAABB = __this.m_tree.GetFatAABB(queryProxy);
+ __this.m_tree.Query(QueryCallback, fatAABB);
+ }
+ __this.m_moveBuffer.length = 0;
+ for (var i = 0; i < __this.m_pairCount;) {
+ var primaryPair = __this.m_pairBuffer[i];
+ var userDataA = __this.m_tree.GetUserData(primaryPair.proxyA);
+ var userDataB = __this.m_tree.GetUserData(primaryPair.proxyB);
+ callback(userDataA, userDataB);
+ ++i;
+ while (i < __this.m_pairCount) {
+ var pair = __this.m_pairBuffer[i];
+ if (pair.proxyA != primaryPair.proxyA || pair.proxyB != primaryPair.proxyB) {
+ break;
+ }++i;
+ }
+ }
+ }
+ b2DynamicTreeBroadPhase.prototype.Query = function (callback, aabb) {
+ this.m_tree.Query(callback, aabb);
+ }
+ b2DynamicTreeBroadPhase.prototype.RayCast = function (callback, input) {
+ this.m_tree.RayCast(callback, input);
+ }
+ b2DynamicTreeBroadPhase.prototype.Validate = function () {}
+ b2DynamicTreeBroadPhase.prototype.Rebalance = function (iterations) {
+ if (iterations === undefined) iterations = 0;
+ this.m_tree.Rebalance(iterations);
+ }
+ b2DynamicTreeBroadPhase.prototype.BufferMove = function (proxy) {
+ this.m_moveBuffer[this.m_moveBuffer.length] = proxy;
+ }
+ b2DynamicTreeBroadPhase.prototype.UnBufferMove = function (proxy) {
+ var i = parseInt(this.m_moveBuffer.indexOf(proxy));
+ this.m_moveBuffer.splice(i, 1);
+ }
+ b2DynamicTreeBroadPhase.prototype.ComparePairs = function (pair1, pair2) {
+ return 0;
+ }
+ b2DynamicTreeBroadPhase.__implements = {};
+ b2DynamicTreeBroadPhase.__implements[IBroadPhase] = true;
+ b2DynamicTreeNode.b2DynamicTreeNode = function () {
+ this.aabb = new b2AABB();
+ };
+ b2DynamicTreeNode.prototype.IsLeaf = function () {
+ return this.child1 == null;
+ }
+ b2DynamicTreePair.b2DynamicTreePair = function () {};
+ b2Manifold.b2Manifold = function () {
+ this.m_pointCount = 0;
+ };
+ b2Manifold.prototype.b2Manifold = function () {
+ this.m_points = new Vector(b2Settings.b2_maxManifoldPoints);
+ for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
+ this.m_points[i] = new b2ManifoldPoint();
+ }
+ this.m_localPlaneNormal = new b2Vec2();
+ this.m_localPoint = new b2Vec2();
+ }
+ b2Manifold.prototype.Reset = function () {
+ for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
+ ((this.m_points[i] instanceof b2ManifoldPoint ? this.m_points[i] : null)).Reset();
+ }
+ this.m_localPlaneNormal.SetZero();
+ this.m_localPoint.SetZero();
+ this.m_type = 0;
+ this.m_pointCount = 0;
+ }
+ b2Manifold.prototype.Set = function (m) {
+ this.m_pointCount = m.m_pointCount;
+ for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
+ ((this.m_points[i] instanceof b2ManifoldPoint ? this.m_points[i] : null)).Set(m.m_points[i]);
+ }
+ this.m_localPlaneNormal.SetV(m.m_localPlaneNormal);
+ this.m_localPoint.SetV(m.m_localPoint);
+ this.m_type = m.m_type;
+ }
+ b2Manifold.prototype.Copy = function () {
+ var copy = new b2Manifold();
+ copy.Set(this);
+ return copy;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Collision.b2Manifold.e_circles = 0x0001;
+ Box2D.Collision.b2Manifold.e_faceA = 0x0002;
+ Box2D.Collision.b2Manifold.e_faceB = 0x0004;
+ });
+ b2ManifoldPoint.b2ManifoldPoint = function () {
+ this.m_localPoint = new b2Vec2();
+ this.m_id = new b2ContactID();
+ };
+ b2ManifoldPoint.prototype.b2ManifoldPoint = function () {
+ this.Reset();
+ }
+ b2ManifoldPoint.prototype.Reset = function () {
+ this.m_localPoint.SetZero();
+ this.m_normalImpulse = 0.0;
+ this.m_tangentImpulse = 0.0;
+ this.m_id.key = 0;
+ }
+ b2ManifoldPoint.prototype.Set = function (m) {
+ this.m_localPoint.SetV(m.m_localPoint);
+ this.m_normalImpulse = m.m_normalImpulse;
+ this.m_tangentImpulse = m.m_tangentImpulse;
+ this.m_id.Set(m.m_id);
+ }
+ b2Point.b2Point = function () {
+ this.p = new b2Vec2();
+ };
+ b2Point.prototype.Support = function (xf, vX, vY) {
+ if (vX === undefined) vX = 0;
+ if (vY === undefined) vY = 0;
+ return this.p;
+ }
+ b2Point.prototype.GetFirstVertex = function (xf) {
+ return this.p;
+ }
+ b2RayCastInput.b2RayCastInput = function () {
+ this.p1 = new b2Vec2();
+ this.p2 = new b2Vec2();
+ };
+ b2RayCastInput.prototype.b2RayCastInput = function (p1, p2, maxFraction) {
+ if (p1 === undefined) p1 = null;
+ if (p2 === undefined) p2 = null;
+ if (maxFraction === undefined) maxFraction = 1;
+ if (p1) this.p1.SetV(p1);
+ if (p2) this.p2.SetV(p2);
+ this.maxFraction = maxFraction;
+ }
+ b2RayCastOutput.b2RayCastOutput = function () {
+ this.normal = new b2Vec2();
+ };
+ b2Segment.b2Segment = function () {
+ this.p1 = new b2Vec2();
+ this.p2 = new b2Vec2();
+ };
+ b2Segment.prototype.TestSegment = function (lambda, normal, segment, maxLambda) {
+ if (maxLambda === undefined) maxLambda = 0;
+ var s = segment.p1;
+ var rX = segment.p2.x - s.x;
+ var rY = segment.p2.y - s.y;
+ var dX = this.p2.x - this.p1.x;
+ var dY = this.p2.y - this.p1.y;
+ var nX = dY;
+ var nY = (-dX);
+ var k_slop = 100.0 * Number.MIN_VALUE;
+ var denom = (-(rX * nX + rY * nY));
+ if (denom > k_slop) {
+ var bX = s.x - this.p1.x;
+ var bY = s.y - this.p1.y;
+ var a = (bX * nX + bY * nY);
+ if (0.0 <= a && a <= maxLambda * denom) {
+ var mu2 = (-rX * bY) + rY * bX;
+ if ((-k_slop * denom) <= mu2 && mu2 <= denom * (1.0 + k_slop)) {
+ a /= denom;
+ var nLen = Math.sqrt(nX * nX + nY * nY);
+ nX /= nLen;
+ nY /= nLen;
+ lambda[0] = a;
+ normal.Set(nX, nY);
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+ b2Segment.prototype.Extend = function (aabb) {
+ this.ExtendForward(aabb);
+ this.ExtendBackward(aabb);
+ }
+ b2Segment.prototype.ExtendForward = function (aabb) {
+ var dX = this.p2.x - this.p1.x;
+ var dY = this.p2.y - this.p1.y;
+ var lambda = Math.min(dX > 0 ? (aabb.upperBound.x - this.p1.x) / dX : dX < 0 ? (aabb.lowerBound.x - this.p1.x) / dX : Number.POSITIVE_INFINITY,
+ dY > 0 ? (aabb.upperBound.y - this.p1.y) / dY : dY < 0 ? (aabb.lowerBound.y - this.p1.y) / dY : Number.POSITIVE_INFINITY);
+ this.p2.x = this.p1.x + dX * lambda;
+ this.p2.y = this.p1.y + dY * lambda;
+ }
+ b2Segment.prototype.ExtendBackward = function (aabb) {
+ var dX = (-this.p2.x) + this.p1.x;
+ var dY = (-this.p2.y) + this.p1.y;
+ var lambda = Math.min(dX > 0 ? (aabb.upperBound.x - this.p2.x) / dX : dX < 0 ? (aabb.lowerBound.x - this.p2.x) / dX : Number.POSITIVE_INFINITY,
+ dY > 0 ? (aabb.upperBound.y - this.p2.y) / dY : dY < 0 ? (aabb.lowerBound.y - this.p2.y) / dY : Number.POSITIVE_INFINITY);
+ this.p1.x = this.p2.x + dX * lambda;
+ this.p1.y = this.p2.y + dY * lambda;
+ }
+ b2SeparationFunction.b2SeparationFunction = function () {
+ this.m_localPoint = new b2Vec2();
+ this.m_axis = new b2Vec2();
+ };
+ b2SeparationFunction.prototype.Initialize = function (cache, proxyA, transformA, proxyB, transformB) {
+ this.m_proxyA = proxyA;
+ this.m_proxyB = proxyB;
+ var count = parseInt(cache.count);
+ b2Settings.b2Assert(0 < count && count < 3);
+ var localPointA;
+ var localPointA1;
+ var localPointA2;
+ var localPointB;
+ var localPointB1;
+ var localPointB2;
+ var pointAX = 0;
+ var pointAY = 0;
+ var pointBX = 0;
+ var pointBY = 0;
+ var normalX = 0;
+ var normalY = 0;
+ var tMat;
+ var tVec;
+ var s = 0;
+ var sgn = 0;
+ if (count == 1) {
+ this.m_type = b2SeparationFunction.e_points;
+ localPointA = this.m_proxyA.GetVertex(cache.indexA[0]);
+ localPointB = this.m_proxyB.GetVertex(cache.indexB[0]);
+ tVec = localPointA;
+ tMat = transformA.R;
+ pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tVec = localPointB;
+ tMat = transformB.R;
+ pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ this.m_axis.x = pointBX - pointAX;
+ this.m_axis.y = pointBY - pointAY;
+ this.m_axis.Normalize();
+ }
+ else if (cache.indexB[0] == cache.indexB[1]) {
+ this.m_type = b2SeparationFunction.e_faceA;
+ localPointA1 = this.m_proxyA.GetVertex(cache.indexA[0]);
+ localPointA2 = this.m_proxyA.GetVertex(cache.indexA[1]);
+ localPointB = this.m_proxyB.GetVertex(cache.indexB[0]);
+ this.m_localPoint.x = 0.5 * (localPointA1.x + localPointA2.x);
+ this.m_localPoint.y = 0.5 * (localPointA1.y + localPointA2.y);
+ this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointA2, localPointA1), 1.0);
+ this.m_axis.Normalize();
+ tVec = this.m_axis;
+ tMat = transformA.R;
+ normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tVec = this.m_localPoint;
+ tMat = transformA.R;
+ pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tVec = localPointB;
+ tMat = transformB.R;
+ pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ s = (pointBX - pointAX) * normalX + (pointBY - pointAY) * normalY;
+ if (s < 0.0) {
+ this.m_axis.NegativeSelf();
+ }
+ }
+ else if (cache.indexA[0] == cache.indexA[0]) {
+ this.m_type = b2SeparationFunction.e_faceB;
+ localPointB1 = this.m_proxyB.GetVertex(cache.indexB[0]);
+ localPointB2 = this.m_proxyB.GetVertex(cache.indexB[1]);
+ localPointA = this.m_proxyA.GetVertex(cache.indexA[0]);
+ this.m_localPoint.x = 0.5 * (localPointB1.x + localPointB2.x);
+ this.m_localPoint.y = 0.5 * (localPointB1.y + localPointB2.y);
+ this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointB2, localPointB1), 1.0);
+ this.m_axis.Normalize();
+ tVec = this.m_axis;
+ tMat = transformB.R;
+ normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tVec = this.m_localPoint;
+ tMat = transformB.R;
+ pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tVec = localPointA;
+ tMat = transformA.R;
+ pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ s = (pointAX - pointBX) * normalX + (pointAY - pointBY) * normalY;
+ if (s < 0.0) {
+ this.m_axis.NegativeSelf();
+ }
+ }
+ else {
+ localPointA1 = this.m_proxyA.GetVertex(cache.indexA[0]);
+ localPointA2 = this.m_proxyA.GetVertex(cache.indexA[1]);
+ localPointB1 = this.m_proxyB.GetVertex(cache.indexB[0]);
+ localPointB2 = this.m_proxyB.GetVertex(cache.indexB[1]);
+ var pA = b2Math.MulX(transformA, localPointA);
+ var dA = b2Math.MulMV(transformA.R, b2Math.SubtractVV(localPointA2, localPointA1));
+ var pB = b2Math.MulX(transformB, localPointB);
+ var dB = b2Math.MulMV(transformB.R, b2Math.SubtractVV(localPointB2, localPointB1));
+ var a = dA.x * dA.x + dA.y * dA.y;
+ var e = dB.x * dB.x + dB.y * dB.y;
+ var r = b2Math.SubtractVV(dB, dA);
+ var c = dA.x * r.x + dA.y * r.y;
+ var f = dB.x * r.x + dB.y * r.y;
+ var b = dA.x * dB.x + dA.y * dB.y;
+ var denom = a * e - b * b;
+ s = 0.0;
+ if (denom != 0.0) {
+ s = b2Math.Clamp((b * f - c * e) / denom, 0.0, 1.0);
+ }
+ var t = (b * s + f) / e;
+ if (t < 0.0) {
+ t = 0.0;
+ s = b2Math.Clamp((b - c) / a, 0.0, 1.0);
+ }
+ localPointA = new b2Vec2();
+ localPointA.x = localPointA1.x + s * (localPointA2.x - localPointA1.x);
+ localPointA.y = localPointA1.y + s * (localPointA2.y - localPointA1.y);
+ localPointB = new b2Vec2();
+ localPointB.x = localPointB1.x + s * (localPointB2.x - localPointB1.x);
+ localPointB.y = localPointB1.y + s * (localPointB2.y - localPointB1.y);
+ if (s == 0.0 || s == 1.0) {
+ this.m_type = b2SeparationFunction.e_faceB;
+ this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointB2, localPointB1), 1.0);
+ this.m_axis.Normalize();
+ this.m_localPoint = localPointB;
+ tVec = this.m_axis;
+ tMat = transformB.R;
+ normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tVec = this.m_localPoint;
+ tMat = transformB.R;
+ pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tVec = localPointA;
+ tMat = transformA.R;
+ pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ sgn = (pointAX - pointBX) * normalX + (pointAY - pointBY) * normalY;
+ if (s < 0.0) {
+ this.m_axis.NegativeSelf();
+ }
+ }
+ else {
+ this.m_type = b2SeparationFunction.e_faceA;
+ this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointA2, localPointA1), 1.0);
+ this.m_localPoint = localPointA;
+ tVec = this.m_axis;
+ tMat = transformA.R;
+ normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tVec = this.m_localPoint;
+ tMat = transformA.R;
+ pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tVec = localPointB;
+ tMat = transformB.R;
+ pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ sgn = (pointBX - pointAX) * normalX + (pointBY - pointAY) * normalY;
+ if (s < 0.0) {
+ this.m_axis.NegativeSelf();
+ }
+ }
+ }
+ }
+ b2SeparationFunction.prototype.Evaluate = function (transformA, transformB) {
+ var axisA;
+ var axisB;
+ var localPointA;
+ var localPointB;
+ var pointA;
+ var pointB;
+ var seperation = 0;
+ var normal;
+ switch (this.m_type) {
+ case b2SeparationFunction.e_points:
+ {
+ axisA = b2Math.MulTMV(transformA.R, this.m_axis);
+ axisB = b2Math.MulTMV(transformB.R, this.m_axis.GetNegative());
+ localPointA = this.m_proxyA.GetSupportVertex(axisA);
+ localPointB = this.m_proxyB.GetSupportVertex(axisB);
+ pointA = b2Math.MulX(transformA, localPointA);
+ pointB = b2Math.MulX(transformB, localPointB);
+ seperation = (pointB.x - pointA.x) * this.m_axis.x + (pointB.y - pointA.y) * this.m_axis.y;
+ return seperation;
+ }
+ case b2SeparationFunction.e_faceA:
+ {
+ normal = b2Math.MulMV(transformA.R, this.m_axis);
+ pointA = b2Math.MulX(transformA, this.m_localPoint);
+ axisB = b2Math.MulTMV(transformB.R, normal.GetNegative());
+ localPointB = this.m_proxyB.GetSupportVertex(axisB);
+ pointB = b2Math.MulX(transformB, localPointB);
+ seperation = (pointB.x - pointA.x) * normal.x + (pointB.y - pointA.y) * normal.y;
+ return seperation;
+ }
+ case b2SeparationFunction.e_faceB:
+ {
+ normal = b2Math.MulMV(transformB.R, this.m_axis);
+ pointB = b2Math.MulX(transformB, this.m_localPoint);
+ axisA = b2Math.MulTMV(transformA.R, normal.GetNegative());
+ localPointA = this.m_proxyA.GetSupportVertex(axisA);
+ pointA = b2Math.MulX(transformA, localPointA);
+ seperation = (pointA.x - pointB.x) * normal.x + (pointA.y - pointB.y) * normal.y;
+ return seperation;
+ }
+ default:
+ b2Settings.b2Assert(false);
+ return 0.0;
+ }
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Collision.b2SeparationFunction.e_points = 0x01;
+ Box2D.Collision.b2SeparationFunction.e_faceA = 0x02;
+ Box2D.Collision.b2SeparationFunction.e_faceB = 0x04;
+ });
+ b2Simplex.b2Simplex = function () {
+ this.m_v1 = new b2SimplexVertex();
+ this.m_v2 = new b2SimplexVertex();
+ this.m_v3 = new b2SimplexVertex();
+ this.m_vertices = new Vector(3);
+ };
+ b2Simplex.prototype.b2Simplex = function () {
+ this.m_vertices[0] = this.m_v1;
+ this.m_vertices[1] = this.m_v2;
+ this.m_vertices[2] = this.m_v3;
+ }
+ b2Simplex.prototype.ReadCache = function (cache, proxyA, transformA, proxyB, transformB) {
+ b2Settings.b2Assert(0 <= cache.count && cache.count <= 3);
+ var wALocal;
+ var wBLocal;
+ this.m_count = cache.count;
+ var vertices = this.m_vertices;
+ for (var i = 0; i < this.m_count; i++) {
+ var v = vertices[i];
+ v.indexA = cache.indexA[i];
+ v.indexB = cache.indexB[i];
+ wALocal = proxyA.GetVertex(v.indexA);
+ wBLocal = proxyB.GetVertex(v.indexB);
+ v.wA = b2Math.MulX(transformA, wALocal);
+ v.wB = b2Math.MulX(transformB, wBLocal);
+ v.w = b2Math.SubtractVV(v.wB, v.wA);
+ v.a = 0;
+ }
+ if (this.m_count > 1) {
+ var metric1 = cache.metric;
+ var metric2 = this.GetMetric();
+ if (metric2 < .5 * metric1 || 2.0 * metric1 < metric2 || metric2 < Number.MIN_VALUE) {
+ this.m_count = 0;
+ }
+ }
+ if (this.m_count == 0) {
+ v = vertices[0];
+ v.indexA = 0;
+ v.indexB = 0;
+ wALocal = proxyA.GetVertex(0);
+ wBLocal = proxyB.GetVertex(0);
+ v.wA = b2Math.MulX(transformA, wALocal);
+ v.wB = b2Math.MulX(transformB, wBLocal);
+ v.w = b2Math.SubtractVV(v.wB, v.wA);
+ this.m_count = 1;
+ }
+ }
+ b2Simplex.prototype.WriteCache = function (cache) {
+ cache.metric = this.GetMetric();
+ cache.count = Box2D.parseUInt(this.m_count);
+ var vertices = this.m_vertices;
+ for (var i = 0; i < this.m_count; i++) {
+ cache.indexA[i] = Box2D.parseUInt(vertices[i].indexA);
+ cache.indexB[i] = Box2D.parseUInt(vertices[i].indexB);
+ }
+ }
+ b2Simplex.prototype.GetSearchDirection = function () {
+ switch (this.m_count) {
+ case 1:
+ return this.m_v1.w.GetNegative();
+ case 2:
+ {
+ var e12 = b2Math.SubtractVV(this.m_v2.w, this.m_v1.w);
+ var sgn = b2Math.CrossVV(e12, this.m_v1.w.GetNegative());
+ if (sgn > 0.0) {
+ return b2Math.CrossFV(1.0, e12);
+ }
+ else {
+ return b2Math.CrossVF(e12, 1.0);
+ }
+ }
+ default:
+ b2Settings.b2Assert(false);
+ return new b2Vec2();
+ }
+ }
+ b2Simplex.prototype.GetClosestPoint = function () {
+ switch (this.m_count) {
+ case 0:
+ b2Settings.b2Assert(false);
+ return new b2Vec2();
+ case 1:
+ return this.m_v1.w;
+ case 2:
+ return new b2Vec2(this.m_v1.a * this.m_v1.w.x + this.m_v2.a * this.m_v2.w.x, this.m_v1.a * this.m_v1.w.y + this.m_v2.a * this.m_v2.w.y);
+ default:
+ b2Settings.b2Assert(false);
+ return new b2Vec2();
+ }
+ }
+ b2Simplex.prototype.GetWitnessPoints = function (pA, pB) {
+ switch (this.m_count) {
+ case 0:
+ b2Settings.b2Assert(false);
+ break;
+ case 1:
+ pA.SetV(this.m_v1.wA);
+ pB.SetV(this.m_v1.wB);
+ break;
+ case 2:
+ pA.x = this.m_v1.a * this.m_v1.wA.x + this.m_v2.a * this.m_v2.wA.x;
+ pA.y = this.m_v1.a * this.m_v1.wA.y + this.m_v2.a * this.m_v2.wA.y;
+ pB.x = this.m_v1.a * this.m_v1.wB.x + this.m_v2.a * this.m_v2.wB.x;
+ pB.y = this.m_v1.a * this.m_v1.wB.y + this.m_v2.a * this.m_v2.wB.y;
+ break;
+ case 3:
+ pB.x = pA.x = this.m_v1.a * this.m_v1.wA.x + this.m_v2.a * this.m_v2.wA.x + this.m_v3.a * this.m_v3.wA.x;
+ pB.y = pA.y = this.m_v1.a * this.m_v1.wA.y + this.m_v2.a * this.m_v2.wA.y + this.m_v3.a * this.m_v3.wA.y;
+ break;
+ default:
+ b2Settings.b2Assert(false);
+ break;
+ }
+ }
+ b2Simplex.prototype.GetMetric = function () {
+ switch (this.m_count) {
+ case 0:
+ b2Settings.b2Assert(false);
+ return 0.0;
+ case 1:
+ return 0.0;
+ case 2:
+ return b2Math.SubtractVV(this.m_v1.w, this.m_v2.w).Length();
+ case 3:
+ return b2Math.CrossVV(b2Math.SubtractVV(this.m_v2.w, this.m_v1.w), b2Math.SubtractVV(this.m_v3.w, this.m_v1.w));
+ default:
+ b2Settings.b2Assert(false);
+ return 0.0;
+ }
+ }
+ b2Simplex.prototype.Solve2 = function () {
+ var w1 = this.m_v1.w;
+ var w2 = this.m_v2.w;
+ var e12 = b2Math.SubtractVV(w2, w1);
+ var d12_2 = (-(w1.x * e12.x + w1.y * e12.y));
+ if (d12_2 <= 0.0) {
+ this.m_v1.a = 1.0;
+ this.m_count = 1;
+ return;
+ }
+ var d12_1 = (w2.x * e12.x + w2.y * e12.y);
+ if (d12_1 <= 0.0) {
+ this.m_v2.a = 1.0;
+ this.m_count = 1;
+ this.m_v1.Set(this.m_v2);
+ return;
+ }
+ var inv_d12 = 1.0 / (d12_1 + d12_2);
+ this.m_v1.a = d12_1 * inv_d12;
+ this.m_v2.a = d12_2 * inv_d12;
+ this.m_count = 2;
+ }
+ b2Simplex.prototype.Solve3 = function () {
+ var w1 = this.m_v1.w;
+ var w2 = this.m_v2.w;
+ var w3 = this.m_v3.w;
+ var e12 = b2Math.SubtractVV(w2, w1);
+ var w1e12 = b2Math.Dot(w1, e12);
+ var w2e12 = b2Math.Dot(w2, e12);
+ var d12_1 = w2e12;
+ var d12_2 = (-w1e12);
+ var e13 = b2Math.SubtractVV(w3, w1);
+ var w1e13 = b2Math.Dot(w1, e13);
+ var w3e13 = b2Math.Dot(w3, e13);
+ var d13_1 = w3e13;
+ var d13_2 = (-w1e13);
+ var e23 = b2Math.SubtractVV(w3, w2);
+ var w2e23 = b2Math.Dot(w2, e23);
+ var w3e23 = b2Math.Dot(w3, e23);
+ var d23_1 = w3e23;
+ var d23_2 = (-w2e23);
+ var n123 = b2Math.CrossVV(e12, e13);
+ var d123_1 = n123 * b2Math.CrossVV(w2, w3);
+ var d123_2 = n123 * b2Math.CrossVV(w3, w1);
+ var d123_3 = n123 * b2Math.CrossVV(w1, w2);
+ if (d12_2 <= 0.0 && d13_2 <= 0.0) {
+ this.m_v1.a = 1.0;
+ this.m_count = 1;
+ return;
+ }
+ if (d12_1 > 0.0 && d12_2 > 0.0 && d123_3 <= 0.0) {
+ var inv_d12 = 1.0 / (d12_1 + d12_2);
+ this.m_v1.a = d12_1 * inv_d12;
+ this.m_v2.a = d12_2 * inv_d12;
+ this.m_count = 2;
+ return;
+ }
+ if (d13_1 > 0.0 && d13_2 > 0.0 && d123_2 <= 0.0) {
+ var inv_d13 = 1.0 / (d13_1 + d13_2);
+ this.m_v1.a = d13_1 * inv_d13;
+ this.m_v3.a = d13_2 * inv_d13;
+ this.m_count = 2;
+ this.m_v2.Set(this.m_v3);
+ return;
+ }
+ if (d12_1 <= 0.0 && d23_2 <= 0.0) {
+ this.m_v2.a = 1.0;
+ this.m_count = 1;
+ this.m_v1.Set(this.m_v2);
+ return;
+ }
+ if (d13_1 <= 0.0 && d23_1 <= 0.0) {
+ this.m_v3.a = 1.0;
+ this.m_count = 1;
+ this.m_v1.Set(this.m_v3);
+ return;
+ }
+ if (d23_1 > 0.0 && d23_2 > 0.0 && d123_1 <= 0.0) {
+ var inv_d23 = 1.0 / (d23_1 + d23_2);
+ this.m_v2.a = d23_1 * inv_d23;
+ this.m_v3.a = d23_2 * inv_d23;
+ this.m_count = 2;
+ this.m_v1.Set(this.m_v3);
+ return;
+ }
+ var inv_d123 = 1.0 / (d123_1 + d123_2 + d123_3);
+ this.m_v1.a = d123_1 * inv_d123;
+ this.m_v2.a = d123_2 * inv_d123;
+ this.m_v3.a = d123_3 * inv_d123;
+ this.m_count = 3;
+ }
+ b2SimplexCache.b2SimplexCache = function () {
+ this.indexA = new Vector_a2j_Number(3);
+ this.indexB = new Vector_a2j_Number(3);
+ };
+ b2SimplexVertex.b2SimplexVertex = function () {};
+ b2SimplexVertex.prototype.Set = function (other) {
+ this.wA.SetV(other.wA);
+ this.wB.SetV(other.wB);
+ this.w.SetV(other.w);
+ this.a = other.a;
+ this.indexA = other.indexA;
+ this.indexB = other.indexB;
+ }
+ b2TimeOfImpact.b2TimeOfImpact = function () {};
+ b2TimeOfImpact.TimeOfImpact = function (input) {
+ ++b2TimeOfImpact.b2_toiCalls;
+ var proxyA = input.proxyA;
+ var proxyB = input.proxyB;
+ var sweepA = input.sweepA;
+ var sweepB = input.sweepB;
+ b2Settings.b2Assert(sweepA.t0 == sweepB.t0);
+ b2Settings.b2Assert(1.0 - sweepA.t0 > Number.MIN_VALUE);
+ var radius = proxyA.m_radius + proxyB.m_radius;
+ var tolerance = input.tolerance;
+ var alpha = 0.0;
+ var k_maxIterations = 1000;
+ var iter = 0;
+ var target = 0.0;
+ b2TimeOfImpact.s_cache.count = 0;
+ b2TimeOfImpact.s_distanceInput.useRadii = false;
+ for (;;) {
+ sweepA.GetTransform(b2TimeOfImpact.s_xfA, alpha);
+ sweepB.GetTransform(b2TimeOfImpact.s_xfB, alpha);
+ b2TimeOfImpact.s_distanceInput.proxyA = proxyA;
+ b2TimeOfImpact.s_distanceInput.proxyB = proxyB;
+ b2TimeOfImpact.s_distanceInput.transformA = b2TimeOfImpact.s_xfA;
+ b2TimeOfImpact.s_distanceInput.transformB = b2TimeOfImpact.s_xfB;
+ b2Distance.Distance(b2TimeOfImpact.s_distanceOutput, b2TimeOfImpact.s_cache, b2TimeOfImpact.s_distanceInput);
+ if (b2TimeOfImpact.s_distanceOutput.distance <= 0.0) {
+ alpha = 1.0;
+ break;
+ }
+ b2TimeOfImpact.s_fcn.Initialize(b2TimeOfImpact.s_cache, proxyA, b2TimeOfImpact.s_xfA, proxyB, b2TimeOfImpact.s_xfB);
+ var separation = b2TimeOfImpact.s_fcn.Evaluate(b2TimeOfImpact.s_xfA, b2TimeOfImpact.s_xfB);
+ if (separation <= 0.0) {
+ alpha = 1.0;
+ break;
+ }
+ if (iter == 0) {
+ if (separation > radius) {
+ target = b2Math.Max(radius - tolerance, 0.75 * radius);
+ }
+ else {
+ target = b2Math.Max(separation - tolerance, 0.02 * radius);
+ }
+ }
+ if (separation - target < 0.5 * tolerance) {
+ if (iter == 0) {
+ alpha = 1.0;
+ break;
+ }
+ break;
+ }
+ var newAlpha = alpha; {
+ var x1 = alpha;
+ var x2 = 1.0;
+ var f1 = separation;
+ sweepA.GetTransform(b2TimeOfImpact.s_xfA, x2);
+ sweepB.GetTransform(b2TimeOfImpact.s_xfB, x2);
+ var f2 = b2TimeOfImpact.s_fcn.Evaluate(b2TimeOfImpact.s_xfA, b2TimeOfImpact.s_xfB);
+ if (f2 >= target) {
+ alpha = 1.0;
+ break;
+ }
+ var rootIterCount = 0;
+ for (;;) {
+ var x = 0;
+ if (rootIterCount & 1) {
+ x = x1 + (target - f1) * (x2 - x1) / (f2 - f1);
+ }
+ else {
+ x = 0.5 * (x1 + x2);
+ }
+ sweepA.GetTransform(b2TimeOfImpact.s_xfA, x);
+ sweepB.GetTransform(b2TimeOfImpact.s_xfB, x);
+ var f = b2TimeOfImpact.s_fcn.Evaluate(b2TimeOfImpact.s_xfA, b2TimeOfImpact.s_xfB);
+ if (b2Math.Abs(f - target) < 0.025 * tolerance) {
+ newAlpha = x;
+ break;
+ }
+ if (f > target) {
+ x1 = x;
+ f1 = f;
+ }
+ else {
+ x2 = x;
+ f2 = f;
+ }++rootIterCount;
+ ++b2TimeOfImpact.b2_toiRootIters;
+ if (rootIterCount == 50) {
+ break;
+ }
+ }
+ b2TimeOfImpact.b2_toiMaxRootIters = b2Math.Max(b2TimeOfImpact.b2_toiMaxRootIters, rootIterCount);
+ }
+ if (newAlpha < (1.0 + 100.0 * Number.MIN_VALUE) * alpha) {
+ break;
+ }
+ alpha = newAlpha;
+ iter++;
+ ++b2TimeOfImpact.b2_toiIters;
+ if (iter == k_maxIterations) {
+ break;
+ }
+ }
+ b2TimeOfImpact.b2_toiMaxIters = b2Math.Max(b2TimeOfImpact.b2_toiMaxIters, iter);
+ return alpha;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Collision.b2TimeOfImpact.b2_toiCalls = 0;
+ Box2D.Collision.b2TimeOfImpact.b2_toiIters = 0;
+ Box2D.Collision.b2TimeOfImpact.b2_toiMaxIters = 0;
+ Box2D.Collision.b2TimeOfImpact.b2_toiRootIters = 0;
+ Box2D.Collision.b2TimeOfImpact.b2_toiMaxRootIters = 0;
+ Box2D.Collision.b2TimeOfImpact.s_cache = new b2SimplexCache();
+ Box2D.Collision.b2TimeOfImpact.s_distanceInput = new b2DistanceInput();
+ Box2D.Collision.b2TimeOfImpact.s_xfA = new b2Transform();
+ Box2D.Collision.b2TimeOfImpact.s_xfB = new b2Transform();
+ Box2D.Collision.b2TimeOfImpact.s_fcn = new b2SeparationFunction();
+ Box2D.Collision.b2TimeOfImpact.s_distanceOutput = new b2DistanceOutput();
+ });
+ b2TOIInput.b2TOIInput = function () {
+ this.proxyA = new b2DistanceProxy();
+ this.proxyB = new b2DistanceProxy();
+ this.sweepA = new b2Sweep();
+ this.sweepB = new b2Sweep();
+ };
+ b2WorldManifold.b2WorldManifold = function () {
+ this.m_normal = new b2Vec2();
+ };
+ b2WorldManifold.prototype.b2WorldManifold = function () {
+ this.m_points = new Vector(b2Settings.b2_maxManifoldPoints);
+ for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
+ this.m_points[i] = new b2Vec2();
+ }
+ }
+ b2WorldManifold.prototype.Initialize = function (manifold, xfA, radiusA, xfB, radiusB) {
+ if (radiusA === undefined) radiusA = 0;
+ if (radiusB === undefined) radiusB = 0;
+ if (manifold.m_pointCount == 0) {
+ return;
+ }
+ var i = 0;
+ var tVec;
+ var tMat;
+ var normalX = 0;
+ var normalY = 0;
+ var planePointX = 0;
+ var planePointY = 0;
+ var clipPointX = 0;
+ var clipPointY = 0;
+ switch (manifold.m_type) {
+ case b2Manifold.e_circles:
+ {
+ tMat = xfA.R;
+ tVec = manifold.m_localPoint;
+ var pointAX = xfA.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ var pointAY = xfA.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tMat = xfB.R;
+ tVec = manifold.m_points[0].m_localPoint;
+ var pointBX = xfB.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ var pointBY = xfB.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ var dX = pointBX - pointAX;
+ var dY = pointBY - pointAY;
+ var d2 = dX * dX + dY * dY;
+ if (d2 > Number.MIN_VALUE * Number.MIN_VALUE) {
+ var d = Math.sqrt(d2);
+ this.m_normal.x = dX / d;
+ this.m_normal.y = dY / d;
+ }
+ else {
+ this.m_normal.x = 1;
+ this.m_normal.y = 0;
+ }
+ var cAX = pointAX + radiusA * this.m_normal.x;
+ var cAY = pointAY + radiusA * this.m_normal.y;
+ var cBX = pointBX - radiusB * this.m_normal.x;
+ var cBY = pointBY - radiusB * this.m_normal.y;
+ this.m_points[0].x = 0.5 * (cAX + cBX);
+ this.m_points[0].y = 0.5 * (cAY + cBY);
+ }
+ break;
+ case b2Manifold.e_faceA:
+ {
+ tMat = xfA.R;
+ tVec = manifold.m_localPlaneNormal;
+ normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tMat = xfA.R;
+ tVec = manifold.m_localPoint;
+ planePointX = xfA.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ planePointY = xfA.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ this.m_normal.x = normalX;
+ this.m_normal.y = normalY;
+ for (i = 0;
+ i < manifold.m_pointCount; i++) {
+ tMat = xfB.R;
+ tVec = manifold.m_points[i].m_localPoint;
+ clipPointX = xfB.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ clipPointY = xfB.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ this.m_points[i].x = clipPointX + 0.5 * (radiusA - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusB) * normalX;
+ this.m_points[i].y = clipPointY + 0.5 * (radiusA - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusB) * normalY;
+ }
+ }
+ break;
+ case b2Manifold.e_faceB:
+ {
+ tMat = xfB.R;
+ tVec = manifold.m_localPlaneNormal;
+ normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tMat = xfB.R;
+ tVec = manifold.m_localPoint;
+ planePointX = xfB.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ planePointY = xfB.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ this.m_normal.x = (-normalX);
+ this.m_normal.y = (-normalY);
+ for (i = 0;
+ i < manifold.m_pointCount; i++) {
+ tMat = xfA.R;
+ tVec = manifold.m_points[i].m_localPoint;
+ clipPointX = xfA.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ clipPointY = xfA.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ this.m_points[i].x = clipPointX + 0.5 * (radiusB - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusA) * normalX;
+ this.m_points[i].y = clipPointY + 0.5 * (radiusB - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusA) * normalY;
+ }
+ }
+ break;
+ }
+ }
+ ClipVertex.ClipVertex = function () {
+ this.v = new b2Vec2();
+ this.id = new b2ContactID();
+ };
+ ClipVertex.prototype.Set = function (other) {
+ this.v.SetV(other.v);
+ this.id.Set(other.id);
+ }
+ Features.Features = function () {};
+ Object.defineProperty(Features.prototype, 'referenceEdge', {
+ enumerable: false,
+ configurable: true,
+ get: function () {
+ return this._referenceEdge;
+ }
+ });
+ Object.defineProperty(Features.prototype, 'referenceEdge', {
+ enumerable: false,
+ configurable: true,
+ set: function (value) {
+ if (value === undefined) value = 0;
+ this._referenceEdge = value;
+ this._m_id._key = (this._m_id._key & 0xffffff00) | (this._referenceEdge & 0x000000ff);
+ }
+ });
+ Object.defineProperty(Features.prototype, 'incidentEdge', {
+ enumerable: false,
+ configurable: true,
+ get: function () {
+ return this._incidentEdge;
+ }
+ });
+ Object.defineProperty(Features.prototype, 'incidentEdge', {
+ enumerable: false,
+ configurable: true,
+ set: function (value) {
+ if (value === undefined) value = 0;
+ this._incidentEdge = value;
+ this._m_id._key = (this._m_id._key & 0xffff00ff) | ((this._incidentEdge << 8) & 0x0000ff00);
+ }
+ });
+ Object.defineProperty(Features.prototype, 'incidentVertex', {
+ enumerable: false,
+ configurable: true,
+ get: function () {
+ return this._incidentVertex;
+ }
+ });
+ Object.defineProperty(Features.prototype, 'incidentVertex', {
+ enumerable: false,
+ configurable: true,
+ set: function (value) {
+ if (value === undefined) value = 0;
+ this._incidentVertex = value;
+ this._m_id._key = (this._m_id._key & 0xff00ffff) | ((this._incidentVertex << 16) & 0x00ff0000);
+ }
+ });
+ Object.defineProperty(Features.prototype, 'flip', {
+ enumerable: false,
+ configurable: true,
+ get: function () {
+ return this._flip;
+ }
+ });
+ Object.defineProperty(Features.prototype, 'flip', {
+ enumerable: false,
+ configurable: true,
+ set: function (value) {
+ if (value === undefined) value = 0;
+ this._flip = value;
+ this._m_id._key = (this._m_id._key & 0x00ffffff) | ((this._flip << 24) & 0xff000000);
+ }
+ });
+})();
+(function () {
+ var b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
+ b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
+ b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
+ b2MassData = Box2D.Collision.Shapes.b2MassData,
+ b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
+ b2Shape = Box2D.Collision.Shapes.b2Shape,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3,
+ b2Body = Box2D.Dynamics.b2Body,
+ b2BodyDef = Box2D.Dynamics.b2BodyDef,
+ b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
+ b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
+ b2ContactListener = Box2D.Dynamics.b2ContactListener,
+ b2ContactManager = Box2D.Dynamics.b2ContactManager,
+ b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
+ b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
+ b2FilterData = Box2D.Dynamics.b2FilterData,
+ b2Fixture = Box2D.Dynamics.b2Fixture,
+ b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
+ b2Island = Box2D.Dynamics.b2Island,
+ b2TimeStep = Box2D.Dynamics.b2TimeStep,
+ b2World = Box2D.Dynamics.b2World,
+ b2AABB = Box2D.Collision.b2AABB,
+ b2Bound = Box2D.Collision.b2Bound,
+ b2BoundValues = Box2D.Collision.b2BoundValues,
+ b2Collision = Box2D.Collision.b2Collision,
+ b2ContactID = Box2D.Collision.b2ContactID,
+ b2ContactPoint = Box2D.Collision.b2ContactPoint,
+ b2Distance = Box2D.Collision.b2Distance,
+ b2DistanceInput = Box2D.Collision.b2DistanceInput,
+ b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
+ b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
+ b2DynamicTree = Box2D.Collision.b2DynamicTree,
+ b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
+ b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
+ b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
+ b2Manifold = Box2D.Collision.b2Manifold,
+ b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
+ b2Point = Box2D.Collision.b2Point,
+ b2RayCastInput = Box2D.Collision.b2RayCastInput,
+ b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
+ b2Segment = Box2D.Collision.b2Segment,
+ b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
+ b2Simplex = Box2D.Collision.b2Simplex,
+ b2SimplexCache = Box2D.Collision.b2SimplexCache,
+ b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
+ b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
+ b2TOIInput = Box2D.Collision.b2TOIInput,
+ b2WorldManifold = Box2D.Collision.b2WorldManifold,
+ ClipVertex = Box2D.Collision.ClipVertex,
+ Features = Box2D.Collision.Features,
+ IBroadPhase = Box2D.Collision.IBroadPhase;
+
+ Box2D.inherit(b2CircleShape, Box2D.Collision.Shapes.b2Shape);
+ b2CircleShape.prototype.__super = Box2D.Collision.Shapes.b2Shape.prototype;
+ b2CircleShape.b2CircleShape = function () {
+ Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this, arguments);
+ this.m_p = new b2Vec2();
+ };
+ b2CircleShape.prototype.Copy = function () {
+ var s = new b2CircleShape();
+ s.Set(this);
+ return s;
+ }
+ b2CircleShape.prototype.Set = function (other) {
+ this.__super.Set.call(this, other);
+ if (Box2D.is(other, b2CircleShape)) {
+ var other2 = (other instanceof b2CircleShape ? other : null);
+ this.m_p.SetV(other2.m_p);
+ }
+ }
+ b2CircleShape.prototype.TestPoint = function (transform, p) {
+ var tMat = transform.R;
+ var dX = transform.position.x + (tMat.col1.x * this.m_p.x + tMat.col2.x * this.m_p.y);
+ var dY = transform.position.y + (tMat.col1.y * this.m_p.x + tMat.col2.y * this.m_p.y);
+ dX = p.x - dX;
+ dY = p.y - dY;
+ return (dX * dX + dY * dY) <= this.m_radius * this.m_radius;
+ }
+ b2CircleShape.prototype.RayCast = function (output, input, transform) {
+ var tMat = transform.R;
+ var positionX = transform.position.x + (tMat.col1.x * this.m_p.x + tMat.col2.x * this.m_p.y);
+ var positionY = transform.position.y + (tMat.col1.y * this.m_p.x + tMat.col2.y * this.m_p.y);
+ var sX = input.p1.x - positionX;
+ var sY = input.p1.y - positionY;
+ var b = (sX * sX + sY * sY) - this.m_radius * this.m_radius;
+ var rX = input.p2.x - input.p1.x;
+ var rY = input.p2.y - input.p1.y;
+ var c = (sX * rX + sY * rY);
+ var rr = (rX * rX + rY * rY);
+ var sigma = c * c - rr * b;
+ if (sigma < 0.0 || rr < Number.MIN_VALUE) {
+ return false;
+ }
+ var a = (-(c + Math.sqrt(sigma)));
+ if (0.0 <= a && a <= input.maxFraction * rr) {
+ a /= rr;
+ output.fraction = a;
+ output.normal.x = sX + a * rX;
+ output.normal.y = sY + a * rY;
+ output.normal.Normalize();
+ return true;
+ }
+ return false;
+ }
+ b2CircleShape.prototype.ComputeAABB = function (aabb, transform) {
+ var tMat = transform.R;
+ var pX = transform.position.x + (tMat.col1.x * this.m_p.x + tMat.col2.x * this.m_p.y);
+ var pY = transform.position.y + (tMat.col1.y * this.m_p.x + tMat.col2.y * this.m_p.y);
+ aabb.lowerBound.Set(pX - this.m_radius, pY - this.m_radius);
+ aabb.upperBound.Set(pX + this.m_radius, pY + this.m_radius);
+ }
+ b2CircleShape.prototype.ComputeMass = function (massData, density) {
+ if (density === undefined) density = 0;
+ massData.mass = density * b2Settings.b2_pi * this.m_radius * this.m_radius;
+ massData.center.SetV(this.m_p);
+ massData.I = massData.mass * (0.5 * this.m_radius * this.m_radius + (this.m_p.x * this.m_p.x + this.m_p.y * this.m_p.y));
+ }
+ b2CircleShape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
+ if (offset === undefined) offset = 0;
+ var p = b2Math.MulX(xf, this.m_p);
+ var l = (-(b2Math.Dot(normal, p) - offset));
+ if (l < (-this.m_radius) + Number.MIN_VALUE) {
+ return 0;
+ }
+ if (l > this.m_radius) {
+ c.SetV(p);
+ return Math.PI * this.m_radius * this.m_radius;
+ }
+ var r2 = this.m_radius * this.m_radius;
+ var l2 = l * l;
+ var area = r2 * (Math.asin(l / this.m_radius) + Math.PI / 2) + l * Math.sqrt(r2 - l2);
+ var com = (-2 / 3 * Math.pow(r2 - l2, 1.5) / area);
+ c.x = p.x + normal.x * com;
+ c.y = p.y + normal.y * com;
+ return area;
+ }
+ b2CircleShape.prototype.GetLocalPosition = function () {
+ return this.m_p;
+ }
+ b2CircleShape.prototype.SetLocalPosition = function (position) {
+ this.m_p.SetV(position);
+ }
+ b2CircleShape.prototype.GetRadius = function () {
+ return this.m_radius;
+ }
+ b2CircleShape.prototype.SetRadius = function (radius) {
+ if (radius === undefined) radius = 0;
+ this.m_radius = radius;
+ }
+ b2CircleShape.prototype.b2CircleShape = function (radius) {
+ if (radius === undefined) radius = 0;
+ this.__super.b2Shape.call(this);
+ this.m_type = b2Shape.e_circleShape;
+ this.m_radius = radius;
+ }
+ b2EdgeChainDef.b2EdgeChainDef = function () {};
+ b2EdgeChainDef.prototype.b2EdgeChainDef = function () {
+ this.vertexCount = 0;
+ this.isALoop = true;
+ this.vertices = [];
+ }
+ Box2D.inherit(b2EdgeShape, Box2D.Collision.Shapes.b2Shape);
+ b2EdgeShape.prototype.__super = Box2D.Collision.Shapes.b2Shape.prototype;
+ b2EdgeShape.b2EdgeShape = function () {
+ Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this, arguments);
+ this.s_supportVec = new b2Vec2();
+ this.m_v1 = new b2Vec2();
+ this.m_v2 = new b2Vec2();
+ this.m_coreV1 = new b2Vec2();
+ this.m_coreV2 = new b2Vec2();
+ this.m_normal = new b2Vec2();
+ this.m_direction = new b2Vec2();
+ this.m_cornerDir1 = new b2Vec2();
+ this.m_cornerDir2 = new b2Vec2();
+ };
+ b2EdgeShape.prototype.TestPoint = function (transform, p) {
+ return false;
+ }
+ b2EdgeShape.prototype.RayCast = function (output, input, transform) {
+ var tMat;
+ var rX = input.p2.x - input.p1.x;
+ var rY = input.p2.y - input.p1.y;
+ tMat = transform.R;
+ var v1X = transform.position.x + (tMat.col1.x * this.m_v1.x + tMat.col2.x * this.m_v1.y);
+ var v1Y = transform.position.y + (tMat.col1.y * this.m_v1.x + tMat.col2.y * this.m_v1.y);
+ var nX = transform.position.y + (tMat.col1.y * this.m_v2.x + tMat.col2.y * this.m_v2.y) - v1Y;
+ var nY = (-(transform.position.x + (tMat.col1.x * this.m_v2.x + tMat.col2.x * this.m_v2.y) - v1X));
+ var k_slop = 100.0 * Number.MIN_VALUE;
+ var denom = (-(rX * nX + rY * nY));
+ if (denom > k_slop) {
+ var bX = input.p1.x - v1X;
+ var bY = input.p1.y - v1Y;
+ var a = (bX * nX + bY * nY);
+ if (0.0 <= a && a <= input.maxFraction * denom) {
+ var mu2 = (-rX * bY) + rY * bX;
+ if ((-k_slop * denom) <= mu2 && mu2 <= denom * (1.0 + k_slop)) {
+ a /= denom;
+ output.fraction = a;
+ var nLen = Math.sqrt(nX * nX + nY * nY);
+ output.normal.x = nX / nLen;
+ output.normal.y = nY / nLen;
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+ b2EdgeShape.prototype.ComputeAABB = function (aabb, transform) {
+ var tMat = transform.R;
+ var v1X = transform.position.x + (tMat.col1.x * this.m_v1.x + tMat.col2.x * this.m_v1.y);
+ var v1Y = transform.position.y + (tMat.col1.y * this.m_v1.x + tMat.col2.y * this.m_v1.y);
+ var v2X = transform.position.x + (tMat.col1.x * this.m_v2.x + tMat.col2.x * this.m_v2.y);
+ var v2Y = transform.position.y + (tMat.col1.y * this.m_v2.x + tMat.col2.y * this.m_v2.y);
+ if (v1X < v2X) {
+ aabb.lowerBound.x = v1X;
+ aabb.upperBound.x = v2X;
+ }
+ else {
+ aabb.lowerBound.x = v2X;
+ aabb.upperBound.x = v1X;
+ }
+ if (v1Y < v2Y) {
+ aabb.lowerBound.y = v1Y;
+ aabb.upperBound.y = v2Y;
+ }
+ else {
+ aabb.lowerBound.y = v2Y;
+ aabb.upperBound.y = v1Y;
+ }
+ }
+ b2EdgeShape.prototype.ComputeMass = function (massData, density) {
+ if (density === undefined) density = 0;
+ massData.mass = 0;
+ massData.center.SetV(this.m_v1);
+ massData.I = 0;
+ }
+ b2EdgeShape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
+ if (offset === undefined) offset = 0;
+ var v0 = new b2Vec2(normal.x * offset, normal.y * offset);
+ var v1 = b2Math.MulX(xf, this.m_v1);
+ var v2 = b2Math.MulX(xf, this.m_v2);
+ var d1 = b2Math.Dot(normal, v1) - offset;
+ var d2 = b2Math.Dot(normal, v2) - offset;
+ if (d1 > 0) {
+ if (d2 > 0) {
+ return 0;
+ }
+ else {
+ v1.x = (-d2 / (d1 - d2) * v1.x) + d1 / (d1 - d2) * v2.x;
+ v1.y = (-d2 / (d1 - d2) * v1.y) + d1 / (d1 - d2) * v2.y;
+ }
+ }
+ else {
+ if (d2 > 0) {
+ v2.x = (-d2 / (d1 - d2) * v1.x) + d1 / (d1 - d2) * v2.x;
+ v2.y = (-d2 / (d1 - d2) * v1.y) + d1 / (d1 - d2) * v2.y;
+ }
+ else {}
+ }
+ c.x = (v0.x + v1.x + v2.x) / 3;
+ c.y = (v0.y + v1.y + v2.y) / 3;
+ return 0.5 * ((v1.x - v0.x) * (v2.y - v0.y) - (v1.y - v0.y) * (v2.x - v0.x));
+ }
+ b2EdgeShape.prototype.GetLength = function () {
+ return this.m_length;
+ }
+ b2EdgeShape.prototype.GetVertex1 = function () {
+ return this.m_v1;
+ }
+ b2EdgeShape.prototype.GetVertex2 = function () {
+ return this.m_v2;
+ }
+ b2EdgeShape.prototype.GetCoreVertex1 = function () {
+ return this.m_coreV1;
+ }
+ b2EdgeShape.prototype.GetCoreVertex2 = function () {
+ return this.m_coreV2;
+ }
+ b2EdgeShape.prototype.GetNormalVector = function () {
+ return this.m_normal;
+ }
+ b2EdgeShape.prototype.GetDirectionVector = function () {
+ return this.m_direction;
+ }
+ b2EdgeShape.prototype.GetCorner1Vector = function () {
+ return this.m_cornerDir1;
+ }
+ b2EdgeShape.prototype.GetCorner2Vector = function () {
+ return this.m_cornerDir2;
+ }
+ b2EdgeShape.prototype.Corner1IsConvex = function () {
+ return this.m_cornerConvex1;
+ }
+ b2EdgeShape.prototype.Corner2IsConvex = function () {
+ return this.m_cornerConvex2;
+ }
+ b2EdgeShape.prototype.GetFirstVertex = function (xf) {
+ var tMat = xf.R;
+ return new b2Vec2(xf.position.x + (tMat.col1.x * this.m_coreV1.x + tMat.col2.x * this.m_coreV1.y), xf.position.y + (tMat.col1.y * this.m_coreV1.x + tMat.col2.y * this.m_coreV1.y));
+ }
+ b2EdgeShape.prototype.GetNextEdge = function () {
+ return this.m_nextEdge;
+ }
+ b2EdgeShape.prototype.GetPrevEdge = function () {
+ return this.m_prevEdge;
+ }
+ b2EdgeShape.prototype.Support = function (xf, dX, dY) {
+ if (dX === undefined) dX = 0;
+ if (dY === undefined) dY = 0;
+ var tMat = xf.R;
+ var v1X = xf.position.x + (tMat.col1.x * this.m_coreV1.x + tMat.col2.x * this.m_coreV1.y);
+ var v1Y = xf.position.y + (tMat.col1.y * this.m_coreV1.x + tMat.col2.y * this.m_coreV1.y);
+ var v2X = xf.position.x + (tMat.col1.x * this.m_coreV2.x + tMat.col2.x * this.m_coreV2.y);
+ var v2Y = xf.position.y + (tMat.col1.y * this.m_coreV2.x + tMat.col2.y * this.m_coreV2.y);
+ if ((v1X * dX + v1Y * dY) > (v2X * dX + v2Y * dY)) {
+ this.s_supportVec.x = v1X;
+ this.s_supportVec.y = v1Y;
+ }
+ else {
+ this.s_supportVec.x = v2X;
+ this.s_supportVec.y = v2Y;
+ }
+ return this.s_supportVec;
+ }
+ b2EdgeShape.prototype.b2EdgeShape = function (v1, v2) {
+ this.__super.b2Shape.call(this);
+ this.m_type = b2Shape.e_edgeShape;
+ this.m_prevEdge = null;
+ this.m_nextEdge = null;
+ this.m_v1 = v1;
+ this.m_v2 = v2;
+ this.m_direction.Set(this.m_v2.x - this.m_v1.x, this.m_v2.y - this.m_v1.y);
+ this.m_length = this.m_direction.Normalize();
+ this.m_normal.Set(this.m_direction.y, (-this.m_direction.x));
+ this.m_coreV1.Set((-b2Settings.b2_toiSlop * (this.m_normal.x - this.m_direction.x)) + this.m_v1.x, (-b2Settings.b2_toiSlop * (this.m_normal.y - this.m_direction.y)) + this.m_v1.y);
+ this.m_coreV2.Set((-b2Settings.b2_toiSlop * (this.m_normal.x + this.m_direction.x)) + this.m_v2.x, (-b2Settings.b2_toiSlop * (this.m_normal.y + this.m_direction.y)) + this.m_v2.y);
+ this.m_cornerDir1 = this.m_normal;
+ this.m_cornerDir2.Set((-this.m_normal.x), (-this.m_normal.y));
+ }
+ b2EdgeShape.prototype.SetPrevEdge = function (edge, core, cornerDir, convex) {
+ this.m_prevEdge = edge;
+ this.m_coreV1 = core;
+ this.m_cornerDir1 = cornerDir;
+ this.m_cornerConvex1 = convex;
+ }
+ b2EdgeShape.prototype.SetNextEdge = function (edge, core, cornerDir, convex) {
+ this.m_nextEdge = edge;
+ this.m_coreV2 = core;
+ this.m_cornerDir2 = cornerDir;
+ this.m_cornerConvex2 = convex;
+ }
+ b2MassData.b2MassData = function () {
+ this.mass = 0.0;
+ this.center = new b2Vec2(0, 0);
+ this.I = 0.0;
+ };
+ Box2D.inherit(b2PolygonShape, Box2D.Collision.Shapes.b2Shape);
+ b2PolygonShape.prototype.__super = Box2D.Collision.Shapes.b2Shape.prototype;
+ b2PolygonShape.b2PolygonShape = function () {
+ Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this, arguments);
+ };
+ b2PolygonShape.prototype.Copy = function () {
+ var s = new b2PolygonShape();
+ s.Set(this);
+ return s;
+ }
+ b2PolygonShape.prototype.Set = function (other) {
+ this.__super.Set.call(this, other);
+ if (Box2D.is(other, b2PolygonShape)) {
+ var other2 = (other instanceof b2PolygonShape ? other : null);
+ this.m_centroid.SetV(other2.m_centroid);
+ this.m_vertexCount = other2.m_vertexCount;
+ this.Reserve(this.m_vertexCount);
+ for (var i = 0; i < this.m_vertexCount; i++) {
+ this.m_vertices[i].SetV(other2.m_vertices[i]);
+ this.m_normals[i].SetV(other2.m_normals[i]);
+ }
+ }
+ }
+ b2PolygonShape.prototype.SetAsArray = function (vertices, vertexCount) {
+ if (vertexCount === undefined) vertexCount = 0;
+ var v = new Vector();
+ var i = 0,
+ tVec;
+ for (i = 0;
+ i < vertices.length; ++i) {
+ tVec = vertices[i];
+ v.push(tVec);
+ }
+ this.SetAsVector(v, vertexCount);
+ }
+ b2PolygonShape.AsArray = function (vertices, vertexCount) {
+ if (vertexCount === undefined) vertexCount = 0;
+ var polygonShape = new b2PolygonShape();
+ polygonShape.SetAsArray(vertices, vertexCount);
+ return polygonShape;
+ }
+ b2PolygonShape.prototype.SetAsVector = function (vertices, vertexCount) {
+ if (vertexCount === undefined) vertexCount = 0;
+ if (vertexCount == 0) vertexCount = vertices.length;
+ b2Settings.b2Assert(2 <= vertexCount);
+ this.m_vertexCount = vertexCount;
+ this.Reserve(vertexCount);
+ var i = 0;
+ for (i = 0;
+ i < this.m_vertexCount; i++) {
+ this.m_vertices[i].SetV(vertices[i]);
+ }
+ for (i = 0;
+ i < this.m_vertexCount; ++i) {
+ var i1 = parseInt(i);
+ var i2 = parseInt(i + 1 < this.m_vertexCount ? i + 1 : 0);
+ var edge = b2Math.SubtractVV(this.m_vertices[i2], this.m_vertices[i1]);
+ b2Settings.b2Assert(edge.LengthSquared() > Number.MIN_VALUE);
+ this.m_normals[i].SetV(b2Math.CrossVF(edge, 1.0));
+ this.m_normals[i].Normalize();
+ }
+ this.m_centroid = b2PolygonShape.ComputeCentroid(this.m_vertices, this.m_vertexCount);
+ }
+ b2PolygonShape.AsVector = function (vertices, vertexCount) {
+ if (vertexCount === undefined) vertexCount = 0;
+ var polygonShape = new b2PolygonShape();
+ polygonShape.SetAsVector(vertices, vertexCount);
+ return polygonShape;
+ }
+ b2PolygonShape.prototype.SetAsBox = function (hx, hy) {
+ if (hx === undefined) hx = 0;
+ if (hy === undefined) hy = 0;
+ this.m_vertexCount = 4;
+ this.Reserve(4);
+ this.m_vertices[0].Set((-hx), (-hy));
+ this.m_vertices[1].Set(hx, (-hy));
+ this.m_vertices[2].Set(hx, hy);
+ this.m_vertices[3].Set((-hx), hy);
+ this.m_normals[0].Set(0.0, (-1.0));
+ this.m_normals[1].Set(1.0, 0.0);
+ this.m_normals[2].Set(0.0, 1.0);
+ this.m_normals[3].Set((-1.0), 0.0);
+ this.m_centroid.SetZero();
+ }
+ b2PolygonShape.AsBox = function (hx, hy) {
+ if (hx === undefined) hx = 0;
+ if (hy === undefined) hy = 0;
+ var polygonShape = new b2PolygonShape();
+ polygonShape.SetAsBox(hx, hy);
+ return polygonShape;
+ }
+ b2PolygonShape.prototype.SetAsOrientedBox = function (hx, hy, center, angle) {
+ if (hx === undefined) hx = 0;
+ if (hy === undefined) hy = 0;
+ if (center === undefined) center = null;
+ if (angle === undefined) angle = 0.0;
+ this.m_vertexCount = 4;
+ this.Reserve(4);
+ this.m_vertices[0].Set((-hx), (-hy));
+ this.m_vertices[1].Set(hx, (-hy));
+ this.m_vertices[2].Set(hx, hy);
+ this.m_vertices[3].Set((-hx), hy);
+ this.m_normals[0].Set(0.0, (-1.0));
+ this.m_normals[1].Set(1.0, 0.0);
+ this.m_normals[2].Set(0.0, 1.0);
+ this.m_normals[3].Set((-1.0), 0.0);
+ this.m_centroid = center;
+ var xf = new b2Transform();
+ xf.position = center;
+ xf.R.Set(angle);
+ for (var i = 0; i < this.m_vertexCount; ++i) {
+ this.m_vertices[i] = b2Math.MulX(xf, this.m_vertices[i]);
+ this.m_normals[i] = b2Math.MulMV(xf.R, this.m_normals[i]);
+ }
+ }
+ b2PolygonShape.AsOrientedBox = function (hx, hy, center, angle) {
+ if (hx === undefined) hx = 0;
+ if (hy === undefined) hy = 0;
+ if (center === undefined) center = null;
+ if (angle === undefined) angle = 0.0;
+ var polygonShape = new b2PolygonShape();
+ polygonShape.SetAsOrientedBox(hx, hy, center, angle);
+ return polygonShape;
+ }
+ b2PolygonShape.prototype.SetAsEdge = function (v1, v2) {
+ this.m_vertexCount = 2;
+ this.Reserve(2);
+ this.m_vertices[0].SetV(v1);
+ this.m_vertices[1].SetV(v2);
+ this.m_centroid.x = 0.5 * (v1.x + v2.x);
+ this.m_centroid.y = 0.5 * (v1.y + v2.y);
+ this.m_normals[0] = b2Math.CrossVF(b2Math.SubtractVV(v2, v1), 1.0);
+ this.m_normals[0].Normalize();
+ this.m_normals[1].x = (-this.m_normals[0].x);
+ this.m_normals[1].y = (-this.m_normals[0].y);
+ }
+ b2PolygonShape.AsEdge = function (v1, v2) {
+ var polygonShape = new b2PolygonShape();
+ polygonShape.SetAsEdge(v1, v2);
+ return polygonShape;
+ }
+ b2PolygonShape.prototype.TestPoint = function (xf, p) {
+ var tVec;
+ var tMat = xf.R;
+ var tX = p.x - xf.position.x;
+ var tY = p.y - xf.position.y;
+ var pLocalX = (tX * tMat.col1.x + tY * tMat.col1.y);
+ var pLocalY = (tX * tMat.col2.x + tY * tMat.col2.y);
+ for (var i = 0; i < this.m_vertexCount; ++i) {
+ tVec = this.m_vertices[i];
+ tX = pLocalX - tVec.x;
+ tY = pLocalY - tVec.y;
+ tVec = this.m_normals[i];
+ var dot = (tVec.x * tX + tVec.y * tY);
+ if (dot > 0.0) {
+ return false;
+ }
+ }
+ return true;
+ }
+ b2PolygonShape.prototype.RayCast = function (output, input, transform) {
+ var lower = 0.0;
+ var upper = input.maxFraction;
+ var tX = 0;
+ var tY = 0;
+ var tMat;
+ var tVec;
+ tX = input.p1.x - transform.position.x;
+ tY = input.p1.y - transform.position.y;
+ tMat = transform.R;
+ var p1X = (tX * tMat.col1.x + tY * tMat.col1.y);
+ var p1Y = (tX * tMat.col2.x + tY * tMat.col2.y);
+ tX = input.p2.x - transform.position.x;
+ tY = input.p2.y - transform.position.y;
+ tMat = transform.R;
+ var p2X = (tX * tMat.col1.x + tY * tMat.col1.y);
+ var p2Y = (tX * tMat.col2.x + tY * tMat.col2.y);
+ var dX = p2X - p1X;
+ var dY = p2Y - p1Y;
+ var index = parseInt((-1));
+ for (var i = 0; i < this.m_vertexCount; ++i) {
+ tVec = this.m_vertices[i];
+ tX = tVec.x - p1X;
+ tY = tVec.y - p1Y;
+ tVec = this.m_normals[i];
+ var numerator = (tVec.x * tX + tVec.y * tY);
+ var denominator = (tVec.x * dX + tVec.y * dY);
+ if (denominator == 0.0) {
+ if (numerator < 0.0) {
+ return false;
+ }
+ }
+ else {
+ if (denominator < 0.0 && numerator < lower * denominator) {
+ lower = numerator / denominator;
+ index = i;
+ }
+ else if (denominator > 0.0 && numerator < upper * denominator) {
+ upper = numerator / denominator;
+ }
+ }
+ if (upper < lower - Number.MIN_VALUE) {
+ return false;
+ }
+ }
+ if (index >= 0) {
+ output.fraction = lower;
+ tMat = transform.R;
+ tVec = this.m_normals[index];
+ output.normal.x = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ output.normal.y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ return true;
+ }
+ return false;
+ }
+ b2PolygonShape.prototype.ComputeAABB = function (aabb, xf) {
+ var tMat = xf.R;
+ var tVec = this.m_vertices[0];
+ var lowerX = xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var lowerY = xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ var upperX = lowerX;
+ var upperY = lowerY;
+ for (var i = 1; i < this.m_vertexCount; ++i) {
+ tVec = this.m_vertices[i];
+ var vX = xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var vY = xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ lowerX = lowerX < vX ? lowerX : vX;
+ lowerY = lowerY < vY ? lowerY : vY;
+ upperX = upperX > vX ? upperX : vX;
+ upperY = upperY > vY ? upperY : vY;
+ }
+ aabb.lowerBound.x = lowerX - this.m_radius;
+ aabb.lowerBound.y = lowerY - this.m_radius;
+ aabb.upperBound.x = upperX + this.m_radius;
+ aabb.upperBound.y = upperY + this.m_radius;
+ }
+ b2PolygonShape.prototype.ComputeMass = function (massData, density) {
+ if (density === undefined) density = 0;
+ if (this.m_vertexCount == 2) {
+ massData.center.x = 0.5 * (this.m_vertices[0].x + this.m_vertices[1].x);
+ massData.center.y = 0.5 * (this.m_vertices[0].y + this.m_vertices[1].y);
+ massData.mass = 0.0;
+ massData.I = 0.0;
+ return;
+ }
+ var centerX = 0.0;
+ var centerY = 0.0;
+ var area = 0.0;
+ var I = 0.0;
+ var p1X = 0.0;
+ var p1Y = 0.0;
+ var k_inv3 = 1.0 / 3.0;
+ for (var i = 0; i < this.m_vertexCount; ++i) {
+ var p2 = this.m_vertices[i];
+ var p3 = i + 1 < this.m_vertexCount ? this.m_vertices[parseInt(i + 1)] : this.m_vertices[0];
+ var e1X = p2.x - p1X;
+ var e1Y = p2.y - p1Y;
+ var e2X = p3.x - p1X;
+ var e2Y = p3.y - p1Y;
+ var D = e1X * e2Y - e1Y * e2X;
+ var triangleArea = 0.5 * D;area += triangleArea;
+ centerX += triangleArea * k_inv3 * (p1X + p2.x + p3.x);
+ centerY += triangleArea * k_inv3 * (p1Y + p2.y + p3.y);
+ var px = p1X;
+ var py = p1Y;
+ var ex1 = e1X;
+ var ey1 = e1Y;
+ var ex2 = e2X;
+ var ey2 = e2Y;
+ var intx2 = k_inv3 * (0.25 * (ex1 * ex1 + ex2 * ex1 + ex2 * ex2) + (px * ex1 + px * ex2)) + 0.5 * px * px;
+ var inty2 = k_inv3 * (0.25 * (ey1 * ey1 + ey2 * ey1 + ey2 * ey2) + (py * ey1 + py * ey2)) + 0.5 * py * py;I += D * (intx2 + inty2);
+ }
+ massData.mass = density * area;
+ centerX *= 1.0 / area;
+ centerY *= 1.0 / area;
+ massData.center.Set(centerX, centerY);
+ massData.I = density * I;
+ }
+ b2PolygonShape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
+ if (offset === undefined) offset = 0;
+ var normalL = b2Math.MulTMV(xf.R, normal);
+ var offsetL = offset - b2Math.Dot(normal, xf.position);
+ var depths = new Vector_a2j_Number();
+ var diveCount = 0;
+ var intoIndex = parseInt((-1));
+ var outoIndex = parseInt((-1));
+ var lastSubmerged = false;
+ var i = 0;
+ for (i = 0;
+ i < this.m_vertexCount; ++i) {
+ depths[i] = b2Math.Dot(normalL, this.m_vertices[i]) - offsetL;
+ var isSubmerged = depths[i] < (-Number.MIN_VALUE);
+ if (i > 0) {
+ if (isSubmerged) {
+ if (!lastSubmerged) {
+ intoIndex = i - 1;
+ diveCount++;
+ }
+ }
+ else {
+ if (lastSubmerged) {
+ outoIndex = i - 1;
+ diveCount++;
+ }
+ }
+ }
+ lastSubmerged = isSubmerged;
+ }
+ switch (diveCount) {
+ case 0:
+ if (lastSubmerged) {
+ var md = new b2MassData();
+ this.ComputeMass(md, 1);
+ c.SetV(b2Math.MulX(xf, md.center));
+ return md.mass;
+ }
+ else {
+ return 0;
+ }
+ break;
+ case 1:
+ if (intoIndex == (-1)) {
+ intoIndex = this.m_vertexCount - 1;
+ }
+ else {
+ outoIndex = this.m_vertexCount - 1;
+ }
+ break;
+ }
+ var intoIndex2 = parseInt((intoIndex + 1) % this.m_vertexCount);
+ var outoIndex2 = parseInt((outoIndex + 1) % this.m_vertexCount);
+ var intoLamdda = (0 - depths[intoIndex]) / (depths[intoIndex2] - depths[intoIndex]);
+ var outoLamdda = (0 - depths[outoIndex]) / (depths[outoIndex2] - depths[outoIndex]);
+ var intoVec = new b2Vec2(this.m_vertices[intoIndex].x * (1 - intoLamdda) + this.m_vertices[intoIndex2].x * intoLamdda, this.m_vertices[intoIndex].y * (1 - intoLamdda) + this.m_vertices[intoIndex2].y * intoLamdda);
+ var outoVec = new b2Vec2(this.m_vertices[outoIndex].x * (1 - outoLamdda) + this.m_vertices[outoIndex2].x * outoLamdda, this.m_vertices[outoIndex].y * (1 - outoLamdda) + this.m_vertices[outoIndex2].y * outoLamdda);
+ var area = 0;
+ var center = new b2Vec2();
+ var p2 = this.m_vertices[intoIndex2];
+ var p3;
+ i = intoIndex2;
+ while (i != outoIndex2) {
+ i = (i + 1) % this.m_vertexCount;
+ if (i == outoIndex2) p3 = outoVec;
+ else p3 = this.m_vertices[i];
+ var triangleArea = 0.5 * ((p2.x - intoVec.x) * (p3.y - intoVec.y) - (p2.y - intoVec.y) * (p3.x - intoVec.x));
+ area += triangleArea;
+ center.x += triangleArea * (intoVec.x + p2.x + p3.x) / 3;
+ center.y += triangleArea * (intoVec.y + p2.y + p3.y) / 3;
+ p2 = p3;
+ }
+ center.Multiply(1 / area);
+ c.SetV(b2Math.MulX(xf, center));
+ return area;
+ }
+ b2PolygonShape.prototype.GetVertexCount = function () {
+ return this.m_vertexCount;
+ }
+ b2PolygonShape.prototype.GetVertices = function () {
+ return this.m_vertices;
+ }
+ b2PolygonShape.prototype.GetNormals = function () {
+ return this.m_normals;
+ }
+ b2PolygonShape.prototype.GetSupport = function (d) {
+ var bestIndex = 0;
+ var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
+ for (var i = 1; i < this.m_vertexCount; ++i) {
+ var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
+ if (value > bestValue) {
+ bestIndex = i;
+ bestValue = value;
+ }
+ }
+ return bestIndex;
+ }
+ b2PolygonShape.prototype.GetSupportVertex = function (d) {
+ var bestIndex = 0;
+ var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
+ for (var i = 1; i < this.m_vertexCount; ++i) {
+ var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
+ if (value > bestValue) {
+ bestIndex = i;
+ bestValue = value;
+ }
+ }
+ return this.m_vertices[bestIndex];
+ }
+ b2PolygonShape.prototype.Validate = function () {
+ return false;
+ }
+ b2PolygonShape.prototype.b2PolygonShape = function () {
+ this.__super.b2Shape.call(this);
+ this.m_type = b2Shape.e_polygonShape;
+ this.m_centroid = new b2Vec2();
+ this.m_vertices = new Vector();
+ this.m_normals = new Vector();
+ }
+ b2PolygonShape.prototype.Reserve = function (count) {
+ if (count === undefined) count = 0;
+ for (var i = parseInt(this.m_vertices.length); i < count; i++) {
+ this.m_vertices[i] = new b2Vec2();
+ this.m_normals[i] = new b2Vec2();
+ }
+ }
+ b2PolygonShape.ComputeCentroid = function (vs, count) {
+ if (count === undefined) count = 0;
+ var c = new b2Vec2();
+ var area = 0.0;
+ var p1X = 0.0;
+ var p1Y = 0.0;
+ var inv3 = 1.0 / 3.0;
+ for (var i = 0; i < count; ++i) {
+ var p2 = vs[i];
+ var p3 = i + 1 < count ? vs[parseInt(i + 1)] : vs[0];
+ var e1X = p2.x - p1X;
+ var e1Y = p2.y - p1Y;
+ var e2X = p3.x - p1X;
+ var e2Y = p3.y - p1Y;
+ var D = (e1X * e2Y - e1Y * e2X);
+ var triangleArea = 0.5 * D;area += triangleArea;
+ c.x += triangleArea * inv3 * (p1X + p2.x + p3.x);
+ c.y += triangleArea * inv3 * (p1Y + p2.y + p3.y);
+ }
+ c.x *= 1.0 / area;
+ c.y *= 1.0 / area;
+ return c;
+ }
+ b2PolygonShape.ComputeOBB = function (obb, vs, count) {
+ if (count === undefined) count = 0;
+ var i = 0;
+ var p = new Vector(count + 1);
+ for (i = 0;
+ i < count; ++i) {
+ p[i] = vs[i];
+ }
+ p[count] = p[0];
+ var minArea = Number.MAX_VALUE;
+ for (i = 1;
+ i <= count; ++i) {
+ var root = p[parseInt(i - 1)];
+ var uxX = p[i].x - root.x;
+ var uxY = p[i].y - root.y;
+ var length = Math.sqrt(uxX * uxX + uxY * uxY);
+ uxX /= length;
+ uxY /= length;
+ var uyX = (-uxY);
+ var uyY = uxX;
+ var lowerX = Number.MAX_VALUE;
+ var lowerY = Number.MAX_VALUE;
+ var upperX = (-Number.MAX_VALUE);
+ var upperY = (-Number.MAX_VALUE);
+ for (var j = 0; j < count; ++j) {
+ var dX = p[j].x - root.x;
+ var dY = p[j].y - root.y;
+ var rX = (uxX * dX + uxY * dY);
+ var rY = (uyX * dX + uyY * dY);
+ if (rX < lowerX) lowerX = rX;
+ if (rY < lowerY) lowerY = rY;
+ if (rX > upperX) upperX = rX;
+ if (rY > upperY) upperY = rY;
+ }
+ var area = (upperX - lowerX) * (upperY - lowerY);
+ if (area < 0.95 * minArea) {
+ minArea = area;
+ obb.R.col1.x = uxX;
+ obb.R.col1.y = uxY;
+ obb.R.col2.x = uyX;
+ obb.R.col2.y = uyY;
+ var centerX = 0.5 * (lowerX + upperX);
+ var centerY = 0.5 * (lowerY + upperY);
+ var tMat = obb.R;
+ obb.center.x = root.x + (tMat.col1.x * centerX + tMat.col2.x * centerY);
+ obb.center.y = root.y + (tMat.col1.y * centerX + tMat.col2.y * centerY);
+ obb.extents.x = 0.5 * (upperX - lowerX);
+ obb.extents.y = 0.5 * (upperY - lowerY);
+ }
+ }
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Collision.Shapes.b2PolygonShape.s_mat = new b2Mat22();
+ });
+ b2Shape.b2Shape = function () {};
+ b2Shape.prototype.Copy = function () {
+ return null;
+ }
+ b2Shape.prototype.Set = function (other) {
+ this.m_radius = other.m_radius;
+ }
+ b2Shape.prototype.GetType = function () {
+ return this.m_type;
+ }
+ b2Shape.prototype.TestPoint = function (xf, p) {
+ return false;
+ }
+ b2Shape.prototype.RayCast = function (output, input, transform) {
+ return false;
+ }
+ b2Shape.prototype.ComputeAABB = function (aabb, xf) {}
+ b2Shape.prototype.ComputeMass = function (massData, density) {
+ if (density === undefined) density = 0;
+ }
+ b2Shape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
+ if (offset === undefined) offset = 0;
+ return 0;
+ }
+ b2Shape.TestOverlap = function (shape1, transform1, shape2, transform2) {
+ var input = new b2DistanceInput();
+ input.proxyA = new b2DistanceProxy();
+ input.proxyA.Set(shape1);
+ input.proxyB = new b2DistanceProxy();
+ input.proxyB.Set(shape2);
+ input.transformA = transform1;
+ input.transformB = transform2;
+ input.useRadii = true;
+ var simplexCache = new b2SimplexCache();
+ simplexCache.count = 0;
+ var output = new b2DistanceOutput();
+ b2Distance.Distance(output, simplexCache, input);
+ return output.distance < 10.0 * Number.MIN_VALUE;
+ }
+ b2Shape.prototype.b2Shape = function () {
+ this.m_type = b2Shape.e_unknownShape;
+ this.m_radius = b2Settings.b2_linearSlop;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Collision.Shapes.b2Shape.e_unknownShape = parseInt((-1));
+ Box2D.Collision.Shapes.b2Shape.e_circleShape = 0;
+ Box2D.Collision.Shapes.b2Shape.e_polygonShape = 1;
+ Box2D.Collision.Shapes.b2Shape.e_edgeShape = 2;
+ Box2D.Collision.Shapes.b2Shape.e_shapeTypeCount = 3;
+ Box2D.Collision.Shapes.b2Shape.e_hitCollide = 1;
+ Box2D.Collision.Shapes.b2Shape.e_missCollide = 0;
+ Box2D.Collision.Shapes.b2Shape.e_startsInsideCollide = parseInt((-1));
+ });
+})();
+(function () {
+ var b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3;
+
+ b2Color.b2Color = function () {
+ this._r = 0;
+ this._g = 0;
+ this._b = 0;
+ };
+ b2Color.prototype.b2Color = function (rr, gg, bb) {
+ if (rr === undefined) rr = 0;
+ if (gg === undefined) gg = 0;
+ if (bb === undefined) bb = 0;
+ this._r = Box2D.parseUInt(255 * b2Math.Clamp(rr, 0.0, 1.0));
+ this._g = Box2D.parseUInt(255 * b2Math.Clamp(gg, 0.0, 1.0));
+ this._b = Box2D.parseUInt(255 * b2Math.Clamp(bb, 0.0, 1.0));
+ }
+ b2Color.prototype.Set = function (rr, gg, bb) {
+ if (rr === undefined) rr = 0;
+ if (gg === undefined) gg = 0;
+ if (bb === undefined) bb = 0;
+ this._r = Box2D.parseUInt(255 * b2Math.Clamp(rr, 0.0, 1.0));
+ this._g = Box2D.parseUInt(255 * b2Math.Clamp(gg, 0.0, 1.0));
+ this._b = Box2D.parseUInt(255 * b2Math.Clamp(bb, 0.0, 1.0));
+ }
+ Object.defineProperty(b2Color.prototype, 'r', {
+ enumerable: false,
+ configurable: true,
+ set: function (rr) {
+ if (rr === undefined) rr = 0;
+ this._r = Box2D.parseUInt(255 * b2Math.Clamp(rr, 0.0, 1.0));
+ }
+ });
+ Object.defineProperty(b2Color.prototype, 'g', {
+ enumerable: false,
+ configurable: true,
+ set: function (gg) {
+ if (gg === undefined) gg = 0;
+ this._g = Box2D.parseUInt(255 * b2Math.Clamp(gg, 0.0, 1.0));
+ }
+ });
+ Object.defineProperty(b2Color.prototype, 'b', {
+ enumerable: false,
+ configurable: true,
+ set: function (bb) {
+ if (bb === undefined) bb = 0;
+ this._b = Box2D.parseUInt(255 * b2Math.Clamp(bb, 0.0, 1.0));
+ }
+ });
+ Object.defineProperty(b2Color.prototype, 'color', {
+ enumerable: false,
+ configurable: true,
+ get: function () {
+ return (this._r << 16) | (this._g << 8) | (this._b);
+ }
+ });
+ b2Settings.b2Settings = function () {};
+ b2Settings.b2MixFriction = function (friction1, friction2) {
+ if (friction1 === undefined) friction1 = 0;
+ if (friction2 === undefined) friction2 = 0;
+ return Math.sqrt(friction1 * friction2);
+ }
+ b2Settings.b2MixRestitution = function (restitution1, restitution2) {
+ if (restitution1 === undefined) restitution1 = 0;
+ if (restitution2 === undefined) restitution2 = 0;
+ return restitution1 > restitution2 ? restitution1 : restitution2;
+ }
+ b2Settings.b2Assert = function (a) {
+ if (!a) {
+ throw "Assertion Failed";
+ }
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Common.b2Settings.VERSION = "2.1alpha";
+ Box2D.Common.b2Settings.USHRT_MAX = 0x0000ffff;
+ Box2D.Common.b2Settings.b2_pi = Math.PI;
+ Box2D.Common.b2Settings.b2_maxManifoldPoints = 2;
+ Box2D.Common.b2Settings.b2_aabbExtension = 0.1;
+ Box2D.Common.b2Settings.b2_aabbMultiplier = 2.0;
+ Box2D.Common.b2Settings.b2_polygonRadius = 2.0 * b2Settings.b2_linearSlop;
+ Box2D.Common.b2Settings.b2_linearSlop = 0.005;
+ Box2D.Common.b2Settings.b2_angularSlop = 2.0 / 180.0 * b2Settings.b2_pi;
+ Box2D.Common.b2Settings.b2_toiSlop = 8.0 * b2Settings.b2_linearSlop;
+ Box2D.Common.b2Settings.b2_maxTOIContactsPerIsland = 32;
+ Box2D.Common.b2Settings.b2_maxTOIJointsPerIsland = 32;
+ Box2D.Common.b2Settings.b2_velocityThreshold = 1.0;
+ Box2D.Common.b2Settings.b2_maxLinearCorrection = 0.2;
+ Box2D.Common.b2Settings.b2_maxAngularCorrection = 8.0 / 180.0 * b2Settings.b2_pi;
+ Box2D.Common.b2Settings.b2_maxTranslation = 2.0;
+ Box2D.Common.b2Settings.b2_maxTranslationSquared = b2Settings.b2_maxTranslation * b2Settings.b2_maxTranslation;
+ Box2D.Common.b2Settings.b2_maxRotation = 0.5 * b2Settings.b2_pi;
+ Box2D.Common.b2Settings.b2_maxRotationSquared = b2Settings.b2_maxRotation * b2Settings.b2_maxRotation;
+ Box2D.Common.b2Settings.b2_contactBaumgarte = 0.2;
+ Box2D.Common.b2Settings.b2_timeToSleep = 0.5;
+ Box2D.Common.b2Settings.b2_linearSleepTolerance = 0.01;
+ Box2D.Common.b2Settings.b2_angularSleepTolerance = 2.0 / 180.0 * b2Settings.b2_pi;
+ });
+})();
+(function () {
+ var b2AABB = Box2D.Collision.b2AABB,
+ b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3;
+
+ b2Mat22.b2Mat22 = function () {
+ this.col1 = new b2Vec2();
+ this.col2 = new b2Vec2();
+ };
+ b2Mat22.prototype.b2Mat22 = function () {
+ this.SetIdentity();
+ }
+ b2Mat22.FromAngle = function (angle) {
+ if (angle === undefined) angle = 0;
+ var mat = new b2Mat22();
+ mat.Set(angle);
+ return mat;
+ }
+ b2Mat22.FromVV = function (c1, c2) {
+ var mat = new b2Mat22();
+ mat.SetVV(c1, c2);
+ return mat;
+ }
+ b2Mat22.prototype.Set = function (angle) {
+ if (angle === undefined) angle = 0;
+ var c = Math.cos(angle);
+ var s = Math.sin(angle);
+ this.col1.x = c;
+ this.col2.x = (-s);
+ this.col1.y = s;
+ this.col2.y = c;
+ }
+ b2Mat22.prototype.SetVV = function (c1, c2) {
+ this.col1.SetV(c1);
+ this.col2.SetV(c2);
+ }
+ b2Mat22.prototype.Copy = function () {
+ var mat = new b2Mat22();
+ mat.SetM(this);
+ return mat;
+ }
+ b2Mat22.prototype.SetM = function (m) {
+ this.col1.SetV(m.col1);
+ this.col2.SetV(m.col2);
+ }
+ b2Mat22.prototype.AddM = function (m) {
+ this.col1.x += m.col1.x;
+ this.col1.y += m.col1.y;
+ this.col2.x += m.col2.x;
+ this.col2.y += m.col2.y;
+ }
+ b2Mat22.prototype.SetIdentity = function () {
+ this.col1.x = 1.0;
+ this.col2.x = 0.0;
+ this.col1.y = 0.0;
+ this.col2.y = 1.0;
+ }
+ b2Mat22.prototype.SetZero = function () {
+ this.col1.x = 0.0;
+ this.col2.x = 0.0;
+ this.col1.y = 0.0;
+ this.col2.y = 0.0;
+ }
+ b2Mat22.prototype.GetAngle = function () {
+ return Math.atan2(this.col1.y, this.col1.x);
+ }
+ b2Mat22.prototype.GetInverse = function (out) {
+ var a = this.col1.x;
+ var b = this.col2.x;
+ var c = this.col1.y;
+ var d = this.col2.y;
+ var det = a * d - b * c;
+ if (det != 0.0) {
+ det = 1.0 / det;
+ }
+ out.col1.x = det * d;
+ out.col2.x = (-det * b);
+ out.col1.y = (-det * c);
+ out.col2.y = det * a;
+ return out;
+ }
+ b2Mat22.prototype.Solve = function (out, bX, bY) {
+ if (bX === undefined) bX = 0;
+ if (bY === undefined) bY = 0;
+ var a11 = this.col1.x;
+ var a12 = this.col2.x;
+ var a21 = this.col1.y;
+ var a22 = this.col2.y;
+ var det = a11 * a22 - a12 * a21;
+ if (det != 0.0) {
+ det = 1.0 / det;
+ }
+ out.x = det * (a22 * bX - a12 * bY);
+ out.y = det * (a11 * bY - a21 * bX);
+ return out;
+ }
+ b2Mat22.prototype.Abs = function () {
+ this.col1.Abs();
+ this.col2.Abs();
+ }
+ b2Mat33.b2Mat33 = function () {
+ this.col1 = new b2Vec3();
+ this.col2 = new b2Vec3();
+ this.col3 = new b2Vec3();
+ };
+ b2Mat33.prototype.b2Mat33 = function (c1, c2, c3) {
+ if (c1 === undefined) c1 = null;
+ if (c2 === undefined) c2 = null;
+ if (c3 === undefined) c3 = null;
+ if (!c1 && !c2 && !c3) {
+ this.col1.SetZero();
+ this.col2.SetZero();
+ this.col3.SetZero();
+ }
+ else {
+ this.col1.SetV(c1);
+ this.col2.SetV(c2);
+ this.col3.SetV(c3);
+ }
+ }
+ b2Mat33.prototype.SetVVV = function (c1, c2, c3) {
+ this.col1.SetV(c1);
+ this.col2.SetV(c2);
+ this.col3.SetV(c3);
+ }
+ b2Mat33.prototype.Copy = function () {
+ return new b2Mat33(this.col1, this.col2, this.col3);
+ }
+ b2Mat33.prototype.SetM = function (m) {
+ this.col1.SetV(m.col1);
+ this.col2.SetV(m.col2);
+ this.col3.SetV(m.col3);
+ }
+ b2Mat33.prototype.AddM = function (m) {
+ this.col1.x += m.col1.x;
+ this.col1.y += m.col1.y;
+ this.col1.z += m.col1.z;
+ this.col2.x += m.col2.x;
+ this.col2.y += m.col2.y;
+ this.col2.z += m.col2.z;
+ this.col3.x += m.col3.x;
+ this.col3.y += m.col3.y;
+ this.col3.z += m.col3.z;
+ }
+ b2Mat33.prototype.SetIdentity = function () {
+ this.col1.x = 1.0;
+ this.col2.x = 0.0;
+ this.col3.x = 0.0;
+ this.col1.y = 0.0;
+ this.col2.y = 1.0;
+ this.col3.y = 0.0;
+ this.col1.z = 0.0;
+ this.col2.z = 0.0;
+ this.col3.z = 1.0;
+ }
+ b2Mat33.prototype.SetZero = function () {
+ this.col1.x = 0.0;
+ this.col2.x = 0.0;
+ this.col3.x = 0.0;
+ this.col1.y = 0.0;
+ this.col2.y = 0.0;
+ this.col3.y = 0.0;
+ this.col1.z = 0.0;
+ this.col2.z = 0.0;
+ this.col3.z = 0.0;
+ }
+ b2Mat33.prototype.Solve22 = function (out, bX, bY) {
+ if (bX === undefined) bX = 0;
+ if (bY === undefined) bY = 0;
+ var a11 = this.col1.x;
+ var a12 = this.col2.x;
+ var a21 = this.col1.y;
+ var a22 = this.col2.y;
+ var det = a11 * a22 - a12 * a21;
+ if (det != 0.0) {
+ det = 1.0 / det;
+ }
+ out.x = det * (a22 * bX - a12 * bY);
+ out.y = det * (a11 * bY - a21 * bX);
+ return out;
+ }
+ b2Mat33.prototype.Solve33 = function (out, bX, bY, bZ) {
+ if (bX === undefined) bX = 0;
+ if (bY === undefined) bY = 0;
+ if (bZ === undefined) bZ = 0;
+ var a11 = this.col1.x;
+ var a21 = this.col1.y;
+ var a31 = this.col1.z;
+ var a12 = this.col2.x;
+ var a22 = this.col2.y;
+ var a32 = this.col2.z;
+ var a13 = this.col3.x;
+ var a23 = this.col3.y;
+ var a33 = this.col3.z;
+ var det = a11 * (a22 * a33 - a32 * a23) + a21 * (a32 * a13 - a12 * a33) + a31 * (a12 * a23 - a22 * a13);
+ if (det != 0.0) {
+ det = 1.0 / det;
+ }
+ out.x = det * (bX * (a22 * a33 - a32 * a23) + bY * (a32 * a13 - a12 * a33) + bZ * (a12 * a23 - a22 * a13));
+ out.y = det * (a11 * (bY * a33 - bZ * a23) + a21 * (bZ * a13 - bX * a33) + a31 * (bX * a23 - bY * a13));
+ out.z = det * (a11 * (a22 * bZ - a32 * bY) + a21 * (a32 * bX - a12 * bZ) + a31 * (a12 * bY - a22 * bX));
+ return out;
+ }
+ b2Math.b2Math = function () {};
+ b2Math.IsValid = function (x) {
+ if (x === undefined) x = 0;
+ return isFinite(x);
+ }
+ b2Math.Dot = function (a, b) {
+ return a.x * b.x + a.y * b.y;
+ }
+ b2Math.CrossVV = function (a, b) {
+ return a.x * b.y - a.y * b.x;
+ }
+ b2Math.CrossVF = function (a, s) {
+ if (s === undefined) s = 0;
+ var v = new b2Vec2(s * a.y, (-s * a.x));
+ return v;
+ }
+ b2Math.CrossFV = function (s, a) {
+ if (s === undefined) s = 0;
+ var v = new b2Vec2((-s * a.y), s * a.x);
+ return v;
+ }
+ b2Math.MulMV = function (A, v) {
+ var u = new b2Vec2(A.col1.x * v.x + A.col2.x * v.y, A.col1.y * v.x + A.col2.y * v.y);
+ return u;
+ }
+ b2Math.MulTMV = function (A, v) {
+ var u = new b2Vec2(b2Math.Dot(v, A.col1), b2Math.Dot(v, A.col2));
+ return u;
+ }
+ b2Math.MulX = function (T, v) {
+ var a = b2Math.MulMV(T.R, v);
+ a.x += T.position.x;
+ a.y += T.position.y;
+ return a;
+ }
+ b2Math.MulXT = function (T, v) {
+ var a = b2Math.SubtractVV(v, T.position);
+ var tX = (a.x * T.R.col1.x + a.y * T.R.col1.y);
+ a.y = (a.x * T.R.col2.x + a.y * T.R.col2.y);
+ a.x = tX;
+ return a;
+ }
+ b2Math.AddVV = function (a, b) {
+ var v = new b2Vec2(a.x + b.x, a.y + b.y);
+ return v;
+ }
+ b2Math.SubtractVV = function (a, b) {
+ var v = new b2Vec2(a.x - b.x, a.y - b.y);
+ return v;
+ }
+ b2Math.Distance = function (a, b) {
+ var cX = a.x - b.x;
+ var cY = a.y - b.y;
+ return Math.sqrt(cX * cX + cY * cY);
+ }
+ b2Math.DistanceSquared = function (a, b) {
+ var cX = a.x - b.x;
+ var cY = a.y - b.y;
+ return (cX * cX + cY * cY);
+ }
+ b2Math.MulFV = function (s, a) {
+ if (s === undefined) s = 0;
+ var v = new b2Vec2(s * a.x, s * a.y);
+ return v;
+ }
+ b2Math.AddMM = function (A, B) {
+ var C = b2Mat22.FromVV(b2Math.AddVV(A.col1, B.col1), b2Math.AddVV(A.col2, B.col2));
+ return C;
+ }
+ b2Math.MulMM = function (A, B) {
+ var C = b2Mat22.FromVV(b2Math.MulMV(A, B.col1), b2Math.MulMV(A, B.col2));
+ return C;
+ }
+ b2Math.MulTMM = function (A, B) {
+ var c1 = new b2Vec2(b2Math.Dot(A.col1, B.col1), b2Math.Dot(A.col2, B.col1));
+ var c2 = new b2Vec2(b2Math.Dot(A.col1, B.col2), b2Math.Dot(A.col2, B.col2));
+ var C = b2Mat22.FromVV(c1, c2);
+ return C;
+ }
+ b2Math.Abs = function (a) {
+ if (a === undefined) a = 0;
+ return a > 0.0 ? a : (-a);
+ }
+ b2Math.AbsV = function (a) {
+ var b = new b2Vec2(b2Math.Abs(a.x), b2Math.Abs(a.y));
+ return b;
+ }
+ b2Math.AbsM = function (A) {
+ var B = b2Mat22.FromVV(b2Math.AbsV(A.col1), b2Math.AbsV(A.col2));
+ return B;
+ }
+ b2Math.Min = function (a, b) {
+ if (a === undefined) a = 0;
+ if (b === undefined) b = 0;
+ return a < b ? a : b;
+ }
+ b2Math.MinV = function (a, b) {
+ var c = new b2Vec2(b2Math.Min(a.x, b.x), b2Math.Min(a.y, b.y));
+ return c;
+ }
+ b2Math.Max = function (a, b) {
+ if (a === undefined) a = 0;
+ if (b === undefined) b = 0;
+ return a > b ? a : b;
+ }
+ b2Math.MaxV = function (a, b) {
+ var c = new b2Vec2(b2Math.Max(a.x, b.x), b2Math.Max(a.y, b.y));
+ return c;
+ }
+ b2Math.Clamp = function (a, low, high) {
+ if (a === undefined) a = 0;
+ if (low === undefined) low = 0;
+ if (high === undefined) high = 0;
+ return a < low ? low : a > high ? high : a;
+ }
+ b2Math.ClampV = function (a, low, high) {
+ return b2Math.MaxV(low, b2Math.MinV(a, high));
+ }
+ b2Math.Swap = function (a, b) {
+ var tmp = a[0];
+ a[0] = b[0];
+ b[0] = tmp;
+ }
+ b2Math.Random = function () {
+ return Math.random() * 2 - 1;
+ }
+ b2Math.RandomRange = function (lo, hi) {
+ if (lo === undefined) lo = 0;
+ if (hi === undefined) hi = 0;
+ var r = Math.random();
+ r = (hi - lo) * r + lo;
+ return r;
+ }
+ b2Math.NextPowerOfTwo = function (x) {
+ if (x === undefined) x = 0;
+ x |= (x >> 1) & 0x7FFFFFFF;
+ x |= (x >> 2) & 0x3FFFFFFF;
+ x |= (x >> 4) & 0x0FFFFFFF;
+ x |= (x >> 8) & 0x00FFFFFF;
+ x |= (x >> 16) & 0x0000FFFF;
+ return x + 1;
+ }
+ b2Math.IsPowerOfTwo = function (x) {
+ if (x === undefined) x = 0;
+ var result = x > 0 && (x & (x - 1)) == 0;
+ return result;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Common.Math.b2Math.b2Vec2_zero = new b2Vec2(0.0, 0.0);
+ Box2D.Common.Math.b2Math.b2Mat22_identity = b2Mat22.FromVV(new b2Vec2(1.0, 0.0), new b2Vec2(0.0, 1.0));
+ Box2D.Common.Math.b2Math.b2Transform_identity = new b2Transform(b2Math.b2Vec2_zero, b2Math.b2Mat22_identity);
+ });
+ b2Sweep.b2Sweep = function () {
+ this.localCenter = new b2Vec2();
+ this.c0 = new b2Vec2;
+ this.c = new b2Vec2();
+ };
+ b2Sweep.prototype.Set = function (other) {
+ this.localCenter.SetV(other.localCenter);
+ this.c0.SetV(other.c0);
+ this.c.SetV(other.c);
+ this.a0 = other.a0;
+ this.a = other.a;
+ this.t0 = other.t0;
+ }
+ b2Sweep.prototype.Copy = function () {
+ var copy = new b2Sweep();
+ copy.localCenter.SetV(this.localCenter);
+ copy.c0.SetV(this.c0);
+ copy.c.SetV(this.c);
+ copy.a0 = this.a0;
+ copy.a = this.a;
+ copy.t0 = this.t0;
+ return copy;
+ }
+ b2Sweep.prototype.GetTransform = function (xf, alpha) {
+ if (alpha === undefined) alpha = 0;
+ xf.position.x = (1.0 - alpha) * this.c0.x + alpha * this.c.x;
+ xf.position.y = (1.0 - alpha) * this.c0.y + alpha * this.c.y;
+ var angle = (1.0 - alpha) * this.a0 + alpha * this.a;
+ xf.R.Set(angle);
+ var tMat = xf.R;
+ xf.position.x -= (tMat.col1.x * this.localCenter.x + tMat.col2.x * this.localCenter.y);
+ xf.position.y -= (tMat.col1.y * this.localCenter.x + tMat.col2.y * this.localCenter.y);
+ }
+ b2Sweep.prototype.Advance = function (t) {
+ if (t === undefined) t = 0;
+ if (this.t0 < t && 1.0 - this.t0 > Number.MIN_VALUE) {
+ var alpha = (t - this.t0) / (1.0 - this.t0);
+ this.c0.x = (1.0 - alpha) * this.c0.x + alpha * this.c.x;
+ this.c0.y = (1.0 - alpha) * this.c0.y + alpha * this.c.y;
+ this.a0 = (1.0 - alpha) * this.a0 + alpha * this.a;
+ this.t0 = t;
+ }
+ }
+ b2Transform.b2Transform = function () {
+ this.position = new b2Vec2;
+ this.R = new b2Mat22();
+ };
+ b2Transform.prototype.b2Transform = function (pos, r) {
+ if (pos === undefined) pos = null;
+ if (r === undefined) r = null;
+ if (pos) {
+ this.position.SetV(pos);
+ this.R.SetM(r);
+ }
+ }
+ b2Transform.prototype.Initialize = function (pos, r) {
+ this.position.SetV(pos);
+ this.R.SetM(r);
+ }
+ b2Transform.prototype.SetIdentity = function () {
+ this.position.SetZero();
+ this.R.SetIdentity();
+ }
+ b2Transform.prototype.Set = function (x) {
+ this.position.SetV(x.position);
+ this.R.SetM(x.R);
+ }
+ b2Transform.prototype.GetAngle = function () {
+ return Math.atan2(this.R.col1.y, this.R.col1.x);
+ }
+ b2Vec2.b2Vec2 = function () {};
+ b2Vec2.prototype.b2Vec2 = function (x_, y_) {
+ if (x_ === undefined) x_ = 0;
+ if (y_ === undefined) y_ = 0;
+ this.x = x_;
+ this.y = y_;
+ }
+ b2Vec2.prototype.SetZero = function () {
+ this.x = 0.0;
+ this.y = 0.0;
+ }
+ b2Vec2.prototype.Set = function (x_, y_) {
+ if (x_ === undefined) x_ = 0;
+ if (y_ === undefined) y_ = 0;
+ this.x = x_;
+ this.y = y_;
+ }
+ b2Vec2.prototype.SetV = function (v) {
+ this.x = v.x;
+ this.y = v.y;
+ }
+ b2Vec2.prototype.GetNegative = function () {
+ return new b2Vec2((-this.x), (-this.y));
+ }
+ b2Vec2.prototype.NegativeSelf = function () {
+ this.x = (-this.x);
+ this.y = (-this.y);
+ }
+ b2Vec2.Make = function (x_, y_) {
+ if (x_ === undefined) x_ = 0;
+ if (y_ === undefined) y_ = 0;
+ return new b2Vec2(x_, y_);
+ }
+ b2Vec2.prototype.Copy = function () {
+ return new b2Vec2(this.x, this.y);
+ }
+ b2Vec2.prototype.Add = function (v) {
+ this.x += v.x;
+ this.y += v.y;
+ }
+ b2Vec2.prototype.Subtract = function (v) {
+ this.x -= v.x;
+ this.y -= v.y;
+ }
+ b2Vec2.prototype.Multiply = function (a) {
+ if (a === undefined) a = 0;
+ this.x *= a;
+ this.y *= a;
+ }
+ b2Vec2.prototype.MulM = function (A) {
+ var tX = this.x;
+ this.x = A.col1.x * tX + A.col2.x * this.y;
+ this.y = A.col1.y * tX + A.col2.y * this.y;
+ }
+ b2Vec2.prototype.MulTM = function (A) {
+ var tX = b2Math.Dot(this, A.col1);
+ this.y = b2Math.Dot(this, A.col2);
+ this.x = tX;
+ }
+ b2Vec2.prototype.CrossVF = function (s) {
+ if (s === undefined) s = 0;
+ var tX = this.x;
+ this.x = s * this.y;
+ this.y = (-s * tX);
+ }
+ b2Vec2.prototype.CrossFV = function (s) {
+ if (s === undefined) s = 0;
+ var tX = this.x;
+ this.x = (-s * this.y);
+ this.y = s * tX;
+ }
+ b2Vec2.prototype.MinV = function (b) {
+ this.x = this.x < b.x ? this.x : b.x;
+ this.y = this.y < b.y ? this.y : b.y;
+ }
+ b2Vec2.prototype.MaxV = function (b) {
+ this.x = this.x > b.x ? this.x : b.x;
+ this.y = this.y > b.y ? this.y : b.y;
+ }
+ b2Vec2.prototype.Abs = function () {
+ if (this.x < 0) this.x = (-this.x);
+ if (this.y < 0) this.y = (-this.y);
+ }
+ b2Vec2.prototype.Length = function () {
+ return Math.sqrt(this.x * this.x + this.y * this.y);
+ }
+ b2Vec2.prototype.LengthSquared = function () {
+ return (this.x * this.x + this.y * this.y);
+ }
+ b2Vec2.prototype.Normalize = function () {
+ var length = Math.sqrt(this.x * this.x + this.y * this.y);
+ if (length < Number.MIN_VALUE) {
+ return 0.0;
+ }
+ var invLength = 1.0 / length;
+ this.x *= invLength;
+ this.y *= invLength;
+ return length;
+ }
+ b2Vec2.prototype.IsValid = function () {
+ return b2Math.IsValid(this.x) && b2Math.IsValid(this.y);
+ }
+ b2Vec3.b2Vec3 = function () {};
+ b2Vec3.prototype.b2Vec3 = function (x, y, z) {
+ if (x === undefined) x = 0;
+ if (y === undefined) y = 0;
+ if (z === undefined) z = 0;
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ }
+ b2Vec3.prototype.SetZero = function () {
+ this.x = this.y = this.z = 0.0;
+ }
+ b2Vec3.prototype.Set = function (x, y, z) {
+ if (x === undefined) x = 0;
+ if (y === undefined) y = 0;
+ if (z === undefined) z = 0;
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ }
+ b2Vec3.prototype.SetV = function (v) {
+ this.x = v.x;
+ this.y = v.y;
+ this.z = v.z;
+ }
+ b2Vec3.prototype.GetNegative = function () {
+ return new b2Vec3((-this.x), (-this.y), (-this.z));
+ }
+ b2Vec3.prototype.NegativeSelf = function () {
+ this.x = (-this.x);
+ this.y = (-this.y);
+ this.z = (-this.z);
+ }
+ b2Vec3.prototype.Copy = function () {
+ return new b2Vec3(this.x, this.y, this.z);
+ }
+ b2Vec3.prototype.Add = function (v) {
+ this.x += v.x;
+ this.y += v.y;
+ this.z += v.z;
+ }
+ b2Vec3.prototype.Subtract = function (v) {
+ this.x -= v.x;
+ this.y -= v.y;
+ this.z -= v.z;
+ }
+ b2Vec3.prototype.Multiply = function (a) {
+ if (a === undefined) a = 0;
+ this.x *= a;
+ this.y *= a;
+ this.z *= a;
+ }
+})();
+(function () {
+ var b2ControllerEdge = Box2D.Dynamics.Controllers.b2ControllerEdge,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3,
+ b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2AABB = Box2D.Collision.b2AABB,
+ b2Bound = Box2D.Collision.b2Bound,
+ b2BoundValues = Box2D.Collision.b2BoundValues,
+ b2Collision = Box2D.Collision.b2Collision,
+ b2ContactID = Box2D.Collision.b2ContactID,
+ b2ContactPoint = Box2D.Collision.b2ContactPoint,
+ b2Distance = Box2D.Collision.b2Distance,
+ b2DistanceInput = Box2D.Collision.b2DistanceInput,
+ b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
+ b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
+ b2DynamicTree = Box2D.Collision.b2DynamicTree,
+ b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
+ b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
+ b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
+ b2Manifold = Box2D.Collision.b2Manifold,
+ b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
+ b2Point = Box2D.Collision.b2Point,
+ b2RayCastInput = Box2D.Collision.b2RayCastInput,
+ b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
+ b2Segment = Box2D.Collision.b2Segment,
+ b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
+ b2Simplex = Box2D.Collision.b2Simplex,
+ b2SimplexCache = Box2D.Collision.b2SimplexCache,
+ b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
+ b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
+ b2TOIInput = Box2D.Collision.b2TOIInput,
+ b2WorldManifold = Box2D.Collision.b2WorldManifold,
+ ClipVertex = Box2D.Collision.ClipVertex,
+ Features = Box2D.Collision.Features,
+ IBroadPhase = Box2D.Collision.IBroadPhase,
+ b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
+ b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
+ b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
+ b2MassData = Box2D.Collision.Shapes.b2MassData,
+ b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
+ b2Shape = Box2D.Collision.Shapes.b2Shape,
+ b2Body = Box2D.Dynamics.b2Body,
+ b2BodyDef = Box2D.Dynamics.b2BodyDef,
+ b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
+ b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
+ b2ContactListener = Box2D.Dynamics.b2ContactListener,
+ b2ContactManager = Box2D.Dynamics.b2ContactManager,
+ b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
+ b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
+ b2FilterData = Box2D.Dynamics.b2FilterData,
+ b2Fixture = Box2D.Dynamics.b2Fixture,
+ b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
+ b2Island = Box2D.Dynamics.b2Island,
+ b2TimeStep = Box2D.Dynamics.b2TimeStep,
+ b2World = Box2D.Dynamics.b2World,
+ b2CircleContact = Box2D.Dynamics.Contacts.b2CircleContact,
+ b2Contact = Box2D.Dynamics.Contacts.b2Contact,
+ b2ContactConstraint = Box2D.Dynamics.Contacts.b2ContactConstraint,
+ b2ContactConstraintPoint = Box2D.Dynamics.Contacts.b2ContactConstraintPoint,
+ b2ContactEdge = Box2D.Dynamics.Contacts.b2ContactEdge,
+ b2ContactFactory = Box2D.Dynamics.Contacts.b2ContactFactory,
+ b2ContactRegister = Box2D.Dynamics.Contacts.b2ContactRegister,
+ b2ContactResult = Box2D.Dynamics.Contacts.b2ContactResult,
+ b2ContactSolver = Box2D.Dynamics.Contacts.b2ContactSolver,
+ b2EdgeAndCircleContact = Box2D.Dynamics.Contacts.b2EdgeAndCircleContact,
+ b2NullContact = Box2D.Dynamics.Contacts.b2NullContact,
+ b2PolyAndCircleContact = Box2D.Dynamics.Contacts.b2PolyAndCircleContact,
+ b2PolyAndEdgeContact = Box2D.Dynamics.Contacts.b2PolyAndEdgeContact,
+ b2PolygonContact = Box2D.Dynamics.Contacts.b2PolygonContact,
+ b2PositionSolverManifold = Box2D.Dynamics.Contacts.b2PositionSolverManifold,
+ b2Controller = Box2D.Dynamics.Controllers.b2Controller,
+ b2DistanceJoint = Box2D.Dynamics.Joints.b2DistanceJoint,
+ b2DistanceJointDef = Box2D.Dynamics.Joints.b2DistanceJointDef,
+ b2FrictionJoint = Box2D.Dynamics.Joints.b2FrictionJoint,
+ b2FrictionJointDef = Box2D.Dynamics.Joints.b2FrictionJointDef,
+ b2GearJoint = Box2D.Dynamics.Joints.b2GearJoint,
+ b2GearJointDef = Box2D.Dynamics.Joints.b2GearJointDef,
+ b2Jacobian = Box2D.Dynamics.Joints.b2Jacobian,
+ b2Joint = Box2D.Dynamics.Joints.b2Joint,
+ b2JointDef = Box2D.Dynamics.Joints.b2JointDef,
+ b2JointEdge = Box2D.Dynamics.Joints.b2JointEdge,
+ b2LineJoint = Box2D.Dynamics.Joints.b2LineJoint,
+ b2LineJointDef = Box2D.Dynamics.Joints.b2LineJointDef,
+ b2MouseJoint = Box2D.Dynamics.Joints.b2MouseJoint,
+ b2MouseJointDef = Box2D.Dynamics.Joints.b2MouseJointDef,
+ b2PrismaticJoint = Box2D.Dynamics.Joints.b2PrismaticJoint,
+ b2PrismaticJointDef = Box2D.Dynamics.Joints.b2PrismaticJointDef,
+ b2PulleyJoint = Box2D.Dynamics.Joints.b2PulleyJoint,
+ b2PulleyJointDef = Box2D.Dynamics.Joints.b2PulleyJointDef,
+ b2RevoluteJoint = Box2D.Dynamics.Joints.b2RevoluteJoint,
+ b2RevoluteJointDef = Box2D.Dynamics.Joints.b2RevoluteJointDef,
+ b2WeldJoint = Box2D.Dynamics.Joints.b2WeldJoint,
+ b2WeldJointDef = Box2D.Dynamics.Joints.b2WeldJointDef;
+
+ b2Body.b2Body = function () {
+ this.m_xf = new b2Transform();
+ this.m_sweep = new b2Sweep();
+ this.m_linearVelocity = new b2Vec2();
+ this.m_force = new b2Vec2();
+ };
+ b2Body.prototype.connectEdges = function (s1, s2, angle1) {
+ if (angle1 === undefined) angle1 = 0;
+ var angle2 = Math.atan2(s2.GetDirectionVector().y, s2.GetDirectionVector().x);
+ var coreOffset = Math.tan((angle2 - angle1) * 0.5);
+ var core = b2Math.MulFV(coreOffset, s2.GetDirectionVector());
+ core = b2Math.SubtractVV(core, s2.GetNormalVector());
+ core = b2Math.MulFV(b2Settings.b2_toiSlop, core);
+ core = b2Math.AddVV(core, s2.GetVertex1());
+ var cornerDir = b2Math.AddVV(s1.GetDirectionVector(), s2.GetDirectionVector());
+ cornerDir.Normalize();
+ var convex = b2Math.Dot(s1.GetDirectionVector(), s2.GetNormalVector()) > 0.0;
+ s1.SetNextEdge(s2, core, cornerDir, convex);
+ s2.SetPrevEdge(s1, core, cornerDir, convex);
+ return angle2;
+ }
+ b2Body.prototype.CreateFixture = function (def) {
+ if (this.m_world.IsLocked() == true) {
+ return null;
+ }
+ var fixture = new b2Fixture();
+ fixture.Create(this, this.m_xf, def);
+ if (this.m_flags & b2Body.e_activeFlag) {
+ var broadPhase = this.m_world.m_contactManager.m_broadPhase;
+ fixture.CreateProxy(broadPhase, this.m_xf);
+ }
+ fixture.m_next = this.m_fixtureList;
+ this.m_fixtureList = fixture;
+ ++this.m_fixtureCount;
+ fixture.m_body = this;
+ if (fixture.m_density > 0.0) {
+ this.ResetMassData();
+ }
+ this.m_world.m_flags |= b2World.e_newFixture;
+ return fixture;
+ }
+ b2Body.prototype.CreateFixture2 = function (shape, density) {
+ if (density === undefined) density = 0.0;
+ var def = new b2FixtureDef();
+ def.shape = shape;
+ def.density = density;
+ return this.CreateFixture(def);
+ }
+ b2Body.prototype.DestroyFixture = function (fixture) {
+ if (this.m_world.IsLocked() == true) {
+ return;
+ }
+ var node = this.m_fixtureList;
+ var ppF = null;
+ var found = false;
+ while (node != null) {
+ if (node == fixture) {
+ if (ppF) ppF.m_next = fixture.m_next;
+ else this.m_fixtureList = fixture.m_next;
+ found = true;
+ break;
+ }
+ ppF = node;
+ node = node.m_next;
+ }
+ var edge = this.m_contactList;
+ while (edge) {
+ var c = edge.contact;
+ edge = edge.next;
+ var fixtureA = c.GetFixtureA();
+ var fixtureB = c.GetFixtureB();
+ if (fixture == fixtureA || fixture == fixtureB) {
+ this.m_world.m_contactManager.Destroy(c);
+ }
+ }
+ if (this.m_flags & b2Body.e_activeFlag) {
+ var broadPhase = this.m_world.m_contactManager.m_broadPhase;
+ fixture.DestroyProxy(broadPhase);
+ }
+ else {}
+ fixture.Destroy();
+ fixture.m_body = null;
+ fixture.m_next = null;
+ --this.m_fixtureCount;
+ this.ResetMassData();
+ }
+ b2Body.prototype.SetPositionAndAngle = function (position, angle) {
+ if (angle === undefined) angle = 0;
+ var f;
+ if (this.m_world.IsLocked() == true) {
+ return;
+ }
+ this.m_xf.R.Set(angle);
+ this.m_xf.position.SetV(position);
+ var tMat = this.m_xf.R;
+ var tVec = this.m_sweep.localCenter;
+ this.m_sweep.c.x = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ this.m_sweep.c.y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ this.m_sweep.c.x += this.m_xf.position.x;
+ this.m_sweep.c.y += this.m_xf.position.y;
+ this.m_sweep.c0.SetV(this.m_sweep.c);
+ this.m_sweep.a0 = this.m_sweep.a = angle;
+ var broadPhase = this.m_world.m_contactManager.m_broadPhase;
+ for (f = this.m_fixtureList;
+ f; f = f.m_next) {
+ f.Synchronize(broadPhase, this.m_xf, this.m_xf);
+ }
+ this.m_world.m_contactManager.FindNewContacts();
+ }
+ b2Body.prototype.SetTransform = function (xf) {
+ this.SetPositionAndAngle(xf.position, xf.GetAngle());
+ }
+ b2Body.prototype.GetTransform = function () {
+ return this.m_xf;
+ }
+ b2Body.prototype.GetPosition = function () {
+ return this.m_xf.position;
+ }
+ b2Body.prototype.SetPosition = function (position) {
+ this.SetPositionAndAngle(position, this.GetAngle());
+ }
+ b2Body.prototype.GetAngle = function () {
+ return this.m_sweep.a;
+ }
+ b2Body.prototype.SetAngle = function (angle) {
+ if (angle === undefined) angle = 0;
+ this.SetPositionAndAngle(this.GetPosition(), angle);
+ }
+ b2Body.prototype.GetWorldCenter = function () {
+ return this.m_sweep.c;
+ }
+ b2Body.prototype.GetLocalCenter = function () {
+ return this.m_sweep.localCenter;
+ }
+ b2Body.prototype.SetLinearVelocity = function (v) {
+ if (this.m_type == b2Body.b2_staticBody) {
+ return;
+ }
+ this.m_linearVelocity.SetV(v);
+ }
+ b2Body.prototype.GetLinearVelocity = function () {
+ return this.m_linearVelocity;
+ }
+ b2Body.prototype.SetAngularVelocity = function (omega) {
+ if (omega === undefined) omega = 0;
+ if (this.m_type == b2Body.b2_staticBody) {
+ return;
+ }
+ this.m_angularVelocity = omega;
+ }
+ b2Body.prototype.GetAngularVelocity = function () {
+ return this.m_angularVelocity;
+ }
+ b2Body.prototype.GetDefinition = function () {
+ var bd = new b2BodyDef();
+ bd.type = this.GetType();
+ bd.allowSleep = (this.m_flags & b2Body.e_allowSleepFlag) == b2Body.e_allowSleepFlag;
+ bd.angle = this.GetAngle();
+ bd.angularDamping = this.m_angularDamping;
+ bd.angularVelocity = this.m_angularVelocity;
+ bd.fixedRotation = (this.m_flags & b2Body.e_fixedRotationFlag) == b2Body.e_fixedRotationFlag;
+ bd.bullet = (this.m_flags & b2Body.e_bulletFlag) == b2Body.e_bulletFlag;
+ bd.awake = (this.m_flags & b2Body.e_awakeFlag) == b2Body.e_awakeFlag;
+ bd.linearDamping = this.m_linearDamping;
+ bd.linearVelocity.SetV(this.GetLinearVelocity());
+ bd.position = this.GetPosition();
+ bd.userData = this.GetUserData();
+ return bd;
+ }
+ b2Body.prototype.ApplyForce = function (force, point) {
+ if (this.m_type != b2Body.b2_dynamicBody) {
+ return;
+ }
+ if (this.IsAwake() == false) {
+ this.SetAwake(true);
+ }
+ this.m_force.x += force.x;
+ this.m_force.y += force.y;
+ this.m_torque += ((point.x - this.m_sweep.c.x) * force.y - (point.y - this.m_sweep.c.y) * force.x);
+ }
+ b2Body.prototype.ApplyTorque = function (torque) {
+ if (torque === undefined) torque = 0;
+ if (this.m_type != b2Body.b2_dynamicBody) {
+ return;
+ }
+ if (this.IsAwake() == false) {
+ this.SetAwake(true);
+ }
+ this.m_torque += torque;
+ }
+ b2Body.prototype.ApplyImpulse = function (impulse, point) {
+ if (this.m_type != b2Body.b2_dynamicBody) {
+ return;
+ }
+ if (this.IsAwake() == false) {
+ this.SetAwake(true);
+ }
+ this.m_linearVelocity.x += this.m_invMass * impulse.x;
+ this.m_linearVelocity.y += this.m_invMass * impulse.y;
+ this.m_angularVelocity += this.m_invI * ((point.x - this.m_sweep.c.x) * impulse.y - (point.y - this.m_sweep.c.y) * impulse.x);
+ }
+ b2Body.prototype.Split = function (callback) {
+ var linearVelocity = this.GetLinearVelocity().Copy();
+ var angularVelocity = this.GetAngularVelocity();
+ var center = this.GetWorldCenter();
+ var body1 = this;
+ var body2 = this.m_world.CreateBody(this.GetDefinition());
+ var prev;
+ for (var f = body1.m_fixtureList; f;) {
+ if (callback(f)) {
+ var next = f.m_next;
+ if (prev) {
+ prev.m_next = next;
+ }
+ else {
+ body1.m_fixtureList = next;
+ }
+ body1.m_fixtureCount--;
+ f.m_next = body2.m_fixtureList;
+ body2.m_fixtureList = f;
+ body2.m_fixtureCount++;
+ f.m_body = body2;
+ f = next;
+ }
+ else {
+ prev = f;
+ f = f.m_next;
+ }
+ }
+ body1.ResetMassData();
+ body2.ResetMassData();
+ var center1 = body1.GetWorldCenter();
+ var center2 = body2.GetWorldCenter();
+ var velocity1 = b2Math.AddVV(linearVelocity, b2Math.CrossFV(angularVelocity, b2Math.SubtractVV(center1, center)));
+ var velocity2 = b2Math.AddVV(linearVelocity, b2Math.CrossFV(angularVelocity, b2Math.SubtractVV(center2, center)));
+ body1.SetLinearVelocity(velocity1);
+ body2.SetLinearVelocity(velocity2);
+ body1.SetAngularVelocity(angularVelocity);
+ body2.SetAngularVelocity(angularVelocity);
+ body1.SynchronizeFixtures();
+ body2.SynchronizeFixtures();
+ return body2;
+ }
+ b2Body.prototype.Merge = function (other) {
+ var f;
+ for (f = other.m_fixtureList;
+ f;) {
+ var next = f.m_next;
+ other.m_fixtureCount--;
+ f.m_next = this.m_fixtureList;
+ this.m_fixtureList = f;
+ this.m_fixtureCount++;
+ f.m_body = body2;
+ f = next;
+ }
+ body1.m_fixtureCount = 0;
+ var body1 = this;
+ var body2 = other;
+ var center1 = body1.GetWorldCenter();
+ var center2 = body2.GetWorldCenter();
+ var velocity1 = body1.GetLinearVelocity().Copy();
+ var velocity2 = body2.GetLinearVelocity().Copy();
+ var angular1 = body1.GetAngularVelocity();
+ var angular = body2.GetAngularVelocity();
+ body1.ResetMassData();
+ this.SynchronizeFixtures();
+ }
+ b2Body.prototype.GetMass = function () {
+ return this.m_mass;
+ }
+ b2Body.prototype.GetInertia = function () {
+ return this.m_I;
+ }
+ b2Body.prototype.GetMassData = function (data) {
+ data.mass = this.m_mass;
+ data.I = this.m_I;
+ data.center.SetV(this.m_sweep.localCenter);
+ }
+ b2Body.prototype.SetMassData = function (massData) {
+ b2Settings.b2Assert(this.m_world.IsLocked() == false);
+ if (this.m_world.IsLocked() == true) {
+ return;
+ }
+ if (this.m_type != b2Body.b2_dynamicBody) {
+ return;
+ }
+ this.m_invMass = 0.0;
+ this.m_I = 0.0;
+ this.m_invI = 0.0;
+ this.m_mass = massData.mass;
+ if (this.m_mass <= 0.0) {
+ this.m_mass = 1.0;
+ }
+ this.m_invMass = 1.0 / this.m_mass;
+ if (massData.I > 0.0 && (this.m_flags & b2Body.e_fixedRotationFlag) == 0) {
+ this.m_I = massData.I - this.m_mass * (massData.center.x * massData.center.x + massData.center.y * massData.center.y);
+ this.m_invI = 1.0 / this.m_I;
+ }
+ var oldCenter = this.m_sweep.c.Copy();
+ this.m_sweep.localCenter.SetV(massData.center);
+ this.m_sweep.c0.SetV(b2Math.MulX(this.m_xf, this.m_sweep.localCenter));
+ this.m_sweep.c.SetV(this.m_sweep.c0);
+ this.m_linearVelocity.x += this.m_angularVelocity * (-(this.m_sweep.c.y - oldCenter.y));
+ this.m_linearVelocity.y += this.m_angularVelocity * (+(this.m_sweep.c.x - oldCenter.x));
+ }
+ b2Body.prototype.ResetMassData = function () {
+ this.m_mass = 0.0;
+ this.m_invMass = 0.0;
+ this.m_I = 0.0;
+ this.m_invI = 0.0;
+ this.m_sweep.localCenter.SetZero();
+ if (this.m_type == b2Body.b2_staticBody || this.m_type == b2Body.b2_kinematicBody) {
+ return;
+ }
+ var center = b2Vec2.Make(0, 0);
+ for (var f = this.m_fixtureList; f; f = f.m_next) {
+ if (f.m_density == 0.0) {
+ continue;
+ }
+ var massData = f.GetMassData();
+ this.m_mass += massData.mass;
+ center.x += massData.center.x * massData.mass;
+ center.y += massData.center.y * massData.mass;
+ this.m_I += massData.I;
+ }
+ if (this.m_mass > 0.0) {
+ this.m_invMass = 1.0 / this.m_mass;
+ center.x *= this.m_invMass;
+ center.y *= this.m_invMass;
+ }
+ else {
+ this.m_mass = 1.0;
+ this.m_invMass = 1.0;
+ }
+ if (this.m_I > 0.0 && (this.m_flags & b2Body.e_fixedRotationFlag) == 0) {
+ this.m_I -= this.m_mass * (center.x * center.x + center.y * center.y);
+ this.m_I *= this.m_inertiaScale;
+ b2Settings.b2Assert(this.m_I > 0);
+ this.m_invI = 1.0 / this.m_I;
+ }
+ else {
+ this.m_I = 0.0;
+ this.m_invI = 0.0;
+ }
+ var oldCenter = this.m_sweep.c.Copy();
+ this.m_sweep.localCenter.SetV(center);
+ this.m_sweep.c0.SetV(b2Math.MulX(this.m_xf, this.m_sweep.localCenter));
+ this.m_sweep.c.SetV(this.m_sweep.c0);
+ this.m_linearVelocity.x += this.m_angularVelocity * (-(this.m_sweep.c.y - oldCenter.y));
+ this.m_linearVelocity.y += this.m_angularVelocity * (+(this.m_sweep.c.x - oldCenter.x));
+ }
+ b2Body.prototype.GetWorldPoint = function (localPoint) {
+ var A = this.m_xf.R;
+ var u = new b2Vec2(A.col1.x * localPoint.x + A.col2.x * localPoint.y, A.col1.y * localPoint.x + A.col2.y * localPoint.y);
+ u.x += this.m_xf.position.x;
+ u.y += this.m_xf.position.y;
+ return u;
+ }
+ b2Body.prototype.GetWorldVector = function (localVector) {
+ return b2Math.MulMV(this.m_xf.R, localVector);
+ }
+ b2Body.prototype.GetLocalPoint = function (worldPoint) {
+ return b2Math.MulXT(this.m_xf, worldPoint);
+ }
+ b2Body.prototype.GetLocalVector = function (worldVector) {
+ return b2Math.MulTMV(this.m_xf.R, worldVector);
+ }
+ b2Body.prototype.GetLinearVelocityFromWorldPoint = function (worldPoint) {
+ return new b2Vec2(this.m_linearVelocity.x - this.m_angularVelocity * (worldPoint.y - this.m_sweep.c.y), this.m_linearVelocity.y + this.m_angularVelocity * (worldPoint.x - this.m_sweep.c.x));
+ }
+ b2Body.prototype.GetLinearVelocityFromLocalPoint = function (localPoint) {
+ var A = this.m_xf.R;
+ var worldPoint = new b2Vec2(A.col1.x * localPoint.x + A.col2.x * localPoint.y, A.col1.y * localPoint.x + A.col2.y * localPoint.y);
+ worldPoint.x += this.m_xf.position.x;
+ worldPoint.y += this.m_xf.position.y;
+ return new b2Vec2(this.m_linearVelocity.x - this.m_angularVelocity * (worldPoint.y - this.m_sweep.c.y), this.m_linearVelocity.y + this.m_angularVelocity * (worldPoint.x - this.m_sweep.c.x));
+ }
+ b2Body.prototype.GetLinearDamping = function () {
+ return this.m_linearDamping;
+ }
+ b2Body.prototype.SetLinearDamping = function (linearDamping) {
+ if (linearDamping === undefined) linearDamping = 0;
+ this.m_linearDamping = linearDamping;
+ }
+ b2Body.prototype.GetAngularDamping = function () {
+ return this.m_angularDamping;
+ }
+ b2Body.prototype.SetAngularDamping = function (angularDamping) {
+ if (angularDamping === undefined) angularDamping = 0;
+ this.m_angularDamping = angularDamping;
+ }
+ b2Body.prototype.SetType = function (type) {
+ if (type === undefined) type = 0;
+ if (this.m_type == type) {
+ return;
+ }
+ this.m_type = type;
+ this.ResetMassData();
+ if (this.m_type == b2Body.b2_staticBody) {
+ this.m_linearVelocity.SetZero();
+ this.m_angularVelocity = 0.0;
+ }
+ this.SetAwake(true);
+ this.m_force.SetZero();
+ this.m_torque = 0.0;
+ for (var ce = this.m_contactList; ce; ce = ce.next) {
+ ce.contact.FlagForFiltering();
+ }
+ }
+ b2Body.prototype.GetType = function () {
+ return this.m_type;
+ }
+ b2Body.prototype.SetBullet = function (flag) {
+ if (flag) {
+ this.m_flags |= b2Body.e_bulletFlag;
+ }
+ else {
+ this.m_flags &= ~b2Body.e_bulletFlag;
+ }
+ }
+ b2Body.prototype.IsBullet = function () {
+ return (this.m_flags & b2Body.e_bulletFlag) == b2Body.e_bulletFlag;
+ }
+ b2Body.prototype.SetSleepingAllowed = function (flag) {
+ if (flag) {
+ this.m_flags |= b2Body.e_allowSleepFlag;
+ }
+ else {
+ this.m_flags &= ~b2Body.e_allowSleepFlag;
+ this.SetAwake(true);
+ }
+ }
+ b2Body.prototype.SetAwake = function (flag) {
+ if (flag) {
+ this.m_flags |= b2Body.e_awakeFlag;
+ this.m_sleepTime = 0.0;
+ }
+ else {
+ this.m_flags &= ~b2Body.e_awakeFlag;
+ this.m_sleepTime = 0.0;
+ this.m_linearVelocity.SetZero();
+ this.m_angularVelocity = 0.0;
+ this.m_force.SetZero();
+ this.m_torque = 0.0;
+ }
+ }
+ b2Body.prototype.IsAwake = function () {
+ return (this.m_flags & b2Body.e_awakeFlag) == b2Body.e_awakeFlag;
+ }
+ b2Body.prototype.SetFixedRotation = function (fixed) {
+ if (fixed) {
+ this.m_flags |= b2Body.e_fixedRotationFlag;
+ }
+ else {
+ this.m_flags &= ~b2Body.e_fixedRotationFlag;
+ }
+ this.ResetMassData();
+ }
+ b2Body.prototype.IsFixedRotation = function () {
+ return (this.m_flags & b2Body.e_fixedRotationFlag) == b2Body.e_fixedRotationFlag;
+ }
+ b2Body.prototype.SetActive = function (flag) {
+ if (flag == this.IsActive()) {
+ return;
+ }
+ var broadPhase;
+ var f;
+ if (flag) {
+ this.m_flags |= b2Body.e_activeFlag;
+ broadPhase = this.m_world.m_contactManager.m_broadPhase;
+ for (f = this.m_fixtureList;
+ f; f = f.m_next) {
+ f.CreateProxy(broadPhase, this.m_xf);
+ }
+ }
+ else {
+ this.m_flags &= ~b2Body.e_activeFlag;
+ broadPhase = this.m_world.m_contactManager.m_broadPhase;
+ for (f = this.m_fixtureList;
+ f; f = f.m_next) {
+ f.DestroyProxy(broadPhase);
+ }
+ var ce = this.m_contactList;
+ while (ce) {
+ var ce0 = ce;
+ ce = ce.next;
+ this.m_world.m_contactManager.Destroy(ce0.contact);
+ }
+ this.m_contactList = null;
+ }
+ }
+ b2Body.prototype.IsActive = function () {
+ return (this.m_flags & b2Body.e_activeFlag) == b2Body.e_activeFlag;
+ }
+ b2Body.prototype.IsSleepingAllowed = function () {
+ return (this.m_flags & b2Body.e_allowSleepFlag) == b2Body.e_allowSleepFlag;
+ }
+ b2Body.prototype.GetFixtureList = function () {
+ return this.m_fixtureList;
+ }
+ b2Body.prototype.GetJointList = function () {
+ return this.m_jointList;
+ }
+ b2Body.prototype.GetControllerList = function () {
+ return this.m_controllerList;
+ }
+ b2Body.prototype.GetContactList = function () {
+ return this.m_contactList;
+ }
+ b2Body.prototype.GetNext = function () {
+ return this.m_next;
+ }
+ b2Body.prototype.GetUserData = function () {
+ return this.m_userData;
+ }
+ b2Body.prototype.SetUserData = function (data) {
+ this.m_userData = data;
+ }
+ b2Body.prototype.GetWorld = function () {
+ return this.m_world;
+ }
+ b2Body.prototype.b2Body = function (bd, world) {
+ this.m_flags = 0;
+ if (bd.bullet) {
+ this.m_flags |= b2Body.e_bulletFlag;
+ }
+ if (bd.fixedRotation) {
+ this.m_flags |= b2Body.e_fixedRotationFlag;
+ }
+ if (bd.allowSleep) {
+ this.m_flags |= b2Body.e_allowSleepFlag;
+ }
+ if (bd.awake) {
+ this.m_flags |= b2Body.e_awakeFlag;
+ }
+ if (bd.active) {
+ this.m_flags |= b2Body.e_activeFlag;
+ }
+ this.m_world = world;
+ this.m_xf.position.SetV(bd.position);
+ this.m_xf.R.Set(bd.angle);
+ this.m_sweep.localCenter.SetZero();
+ this.m_sweep.t0 = 1.0;
+ this.m_sweep.a0 = this.m_sweep.a = bd.angle;
+ var tMat = this.m_xf.R;
+ var tVec = this.m_sweep.localCenter;
+ this.m_sweep.c.x = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ this.m_sweep.c.y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ this.m_sweep.c.x += this.m_xf.position.x;
+ this.m_sweep.c.y += this.m_xf.position.y;
+ this.m_sweep.c0.SetV(this.m_sweep.c);
+ this.m_jointList = null;
+ this.m_controllerList = null;
+ this.m_contactList = null;
+ this.m_controllerCount = 0;
+ this.m_prev = null;
+ this.m_next = null;
+ this.m_linearVelocity.SetV(bd.linearVelocity);
+ this.m_angularVelocity = bd.angularVelocity;
+ this.m_linearDamping = bd.linearDamping;
+ this.m_angularDamping = bd.angularDamping;
+ this.m_force.Set(0.0, 0.0);
+ this.m_torque = 0.0;
+ this.m_sleepTime = 0.0;
+ this.m_type = bd.type;
+ if (this.m_type == b2Body.b2_dynamicBody) {
+ this.m_mass = 1.0;
+ this.m_invMass = 1.0;
+ }
+ else {
+ this.m_mass = 0.0;
+ this.m_invMass = 0.0;
+ }
+ this.m_I = 0.0;
+ this.m_invI = 0.0;
+ this.m_inertiaScale = bd.inertiaScale;
+ this.m_userData = bd.userData;
+ this.m_fixtureList = null;
+ this.m_fixtureCount = 0;
+ }
+ b2Body.prototype.SynchronizeFixtures = function () {
+ var xf1 = b2Body.s_xf1;
+ xf1.R.Set(this.m_sweep.a0);
+ var tMat = xf1.R;
+ var tVec = this.m_sweep.localCenter;
+ xf1.position.x = this.m_sweep.c0.x - (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ xf1.position.y = this.m_sweep.c0.y - (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ var f;
+ var broadPhase = this.m_world.m_contactManager.m_broadPhase;
+ for (f = this.m_fixtureList;
+ f; f = f.m_next) {
+ f.Synchronize(broadPhase, xf1, this.m_xf);
+ }
+ }
+ b2Body.prototype.SynchronizeTransform = function () {
+ this.m_xf.R.Set(this.m_sweep.a);
+ var tMat = this.m_xf.R;
+ var tVec = this.m_sweep.localCenter;
+ this.m_xf.position.x = this.m_sweep.c.x - (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ this.m_xf.position.y = this.m_sweep.c.y - (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ }
+ b2Body.prototype.ShouldCollide = function (other) {
+ if (this.m_type != b2Body.b2_dynamicBody && other.m_type != b2Body.b2_dynamicBody) {
+ return false;
+ }
+ for (var jn = this.m_jointList; jn; jn = jn.next) {
+ if (jn.other == other) if (jn.joint.m_collideConnected == false) {
+ return false;
+ }
+ }
+ return true;
+ }
+ b2Body.prototype.Advance = function (t) {
+ if (t === undefined) t = 0;
+ this.m_sweep.Advance(t);
+ this.m_sweep.c.SetV(this.m_sweep.c0);
+ this.m_sweep.a = this.m_sweep.a0;
+ this.SynchronizeTransform();
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.b2Body.s_xf1 = new b2Transform();
+ Box2D.Dynamics.b2Body.e_islandFlag = 0x0001;
+ Box2D.Dynamics.b2Body.e_awakeFlag = 0x0002;
+ Box2D.Dynamics.b2Body.e_allowSleepFlag = 0x0004;
+ Box2D.Dynamics.b2Body.e_bulletFlag = 0x0008;
+ Box2D.Dynamics.b2Body.e_fixedRotationFlag = 0x0010;
+ Box2D.Dynamics.b2Body.e_activeFlag = 0x0020;
+ Box2D.Dynamics.b2Body.b2_staticBody = 0;
+ Box2D.Dynamics.b2Body.b2_kinematicBody = 1;
+ Box2D.Dynamics.b2Body.b2_dynamicBody = 2;
+ });
+ b2BodyDef.b2BodyDef = function () {
+ this.position = new b2Vec2();
+ this.linearVelocity = new b2Vec2();
+ };
+ b2BodyDef.prototype.b2BodyDef = function () {
+ this.userData = null;
+ this.position.Set(0.0, 0.0);
+ this.angle = 0.0;
+ this.linearVelocity.Set(0, 0);
+ this.angularVelocity = 0.0;
+ this.linearDamping = 0.0;
+ this.angularDamping = 0.0;
+ this.allowSleep = true;
+ this.awake = true;
+ this.fixedRotation = false;
+ this.bullet = false;
+ this.type = b2Body.b2_staticBody;
+ this.active = true;
+ this.inertiaScale = 1.0;
+ }
+ b2ContactFilter.b2ContactFilter = function () {};
+ b2ContactFilter.prototype.ShouldCollide = function (fixtureA, fixtureB) {
+ var filter1 = fixtureA.GetFilterData();
+ var filter2 = fixtureB.GetFilterData();
+ if (filter1.groupIndex == filter2.groupIndex && filter1.groupIndex != 0) {
+ return filter1.groupIndex > 0;
+ }
+ var collide = (filter1.maskBits & filter2.categoryBits) != 0 && (filter1.categoryBits & filter2.maskBits) != 0;
+ return collide;
+ }
+ b2ContactFilter.prototype.RayCollide = function (userData, fixture) {
+ if (!userData) return true;
+ return this.ShouldCollide((userData instanceof b2Fixture ? userData : null), fixture);
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.b2ContactFilter.b2_defaultFilter = new b2ContactFilter();
+ });
+ b2ContactImpulse.b2ContactImpulse = function () {
+ this.normalImpulses = new Vector_a2j_Number(b2Settings.b2_maxManifoldPoints);
+ this.tangentImpulses = new Vector_a2j_Number(b2Settings.b2_maxManifoldPoints);
+ };
+ b2ContactListener.b2ContactListener = function () {};
+ b2ContactListener.prototype.BeginContact = function (contact) {}
+ b2ContactListener.prototype.EndContact = function (contact) {}
+ b2ContactListener.prototype.PreSolve = function (contact, oldManifold) {}
+ b2ContactListener.prototype.PostSolve = function (contact, impulse) {}
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.b2ContactListener.b2_defaultListener = new b2ContactListener();
+ });
+ b2ContactManager.b2ContactManager = function () {};
+ b2ContactManager.prototype.b2ContactManager = function () {
+ this.m_world = null;
+ this.m_contactCount = 0;
+ this.m_contactFilter = b2ContactFilter.b2_defaultFilter;
+ this.m_contactListener = b2ContactListener.b2_defaultListener;
+ this.m_contactFactory = new b2ContactFactory(this.m_allocator);
+ this.m_broadPhase = new b2DynamicTreeBroadPhase();
+ }
+ b2ContactManager.prototype.AddPair = function (proxyUserDataA, proxyUserDataB) {
+ var fixtureA = (proxyUserDataA instanceof b2Fixture ? proxyUserDataA : null);
+ var fixtureB = (proxyUserDataB instanceof b2Fixture ? proxyUserDataB : null);
+ var bodyA = fixtureA.GetBody();
+ var bodyB = fixtureB.GetBody();
+ if (bodyA == bodyB) return;
+ var edge = bodyB.GetContactList();
+ while (edge) {
+ if (edge.other == bodyA) {
+ var fA = edge.contact.GetFixtureA();
+ var fB = edge.contact.GetFixtureB();
+ if (fA == fixtureA && fB == fixtureB) return;
+ if (fA == fixtureB && fB == fixtureA) return;
+ }
+ edge = edge.next;
+ }
+ if (bodyB.ShouldCollide(bodyA) == false) {
+ return;
+ }
+ if (this.m_contactFilter.ShouldCollide(fixtureA, fixtureB) == false) {
+ return;
+ }
+ var c = this.m_contactFactory.Create(fixtureA, fixtureB);
+ fixtureA = c.GetFixtureA();
+ fixtureB = c.GetFixtureB();
+ bodyA = fixtureA.m_body;
+ bodyB = fixtureB.m_body;
+ c.m_prev = null;
+ c.m_next = this.m_world.m_contactList;
+ if (this.m_world.m_contactList != null) {
+ this.m_world.m_contactList.m_prev = c;
+ }
+ this.m_world.m_contactList = c;
+ c.m_nodeA.contact = c;
+ c.m_nodeA.other = bodyB;
+ c.m_nodeA.prev = null;
+ c.m_nodeA.next = bodyA.m_contactList;
+ if (bodyA.m_contactList != null) {
+ bodyA.m_contactList.prev = c.m_nodeA;
+ }
+ bodyA.m_contactList = c.m_nodeA;
+ c.m_nodeB.contact = c;
+ c.m_nodeB.other = bodyA;
+ c.m_nodeB.prev = null;
+ c.m_nodeB.next = bodyB.m_contactList;
+ if (bodyB.m_contactList != null) {
+ bodyB.m_contactList.prev = c.m_nodeB;
+ }
+ bodyB.m_contactList = c.m_nodeB;
+ ++this.m_world.m_contactCount;
+ return;
+ }
+ b2ContactManager.prototype.FindNewContacts = function () {
+ this.m_broadPhase.UpdatePairs(Box2D.generateCallback(this, this.AddPair));
+ }
+ b2ContactManager.prototype.Destroy = function (c) {
+ var fixtureA = c.GetFixtureA();
+ var fixtureB = c.GetFixtureB();
+ var bodyA = fixtureA.GetBody();
+ var bodyB = fixtureB.GetBody();
+ if (c.IsTouching()) {
+ this.m_contactListener.EndContact(c);
+ }
+ if (c.m_prev) {
+ c.m_prev.m_next = c.m_next;
+ }
+ if (c.m_next) {
+ c.m_next.m_prev = c.m_prev;
+ }
+ if (c == this.m_world.m_contactList) {
+ this.m_world.m_contactList = c.m_next;
+ }
+ if (c.m_nodeA.prev) {
+ c.m_nodeA.prev.next = c.m_nodeA.next;
+ }
+ if (c.m_nodeA.next) {
+ c.m_nodeA.next.prev = c.m_nodeA.prev;
+ }
+ if (c.m_nodeA == bodyA.m_contactList) {
+ bodyA.m_contactList = c.m_nodeA.next;
+ }
+ if (c.m_nodeB.prev) {
+ c.m_nodeB.prev.next = c.m_nodeB.next;
+ }
+ if (c.m_nodeB.next) {
+ c.m_nodeB.next.prev = c.m_nodeB.prev;
+ }
+ if (c.m_nodeB == bodyB.m_contactList) {
+ bodyB.m_contactList = c.m_nodeB.next;
+ }
+ this.m_contactFactory.Destroy(c);
+ --this.m_contactCount;
+ }
+ b2ContactManager.prototype.Collide = function () {
+ var c = this.m_world.m_contactList;
+ while (c) {
+ var fixtureA = c.GetFixtureA();
+ var fixtureB = c.GetFixtureB();
+ var bodyA = fixtureA.GetBody();
+ var bodyB = fixtureB.GetBody();
+ if (bodyA.IsAwake() == false && bodyB.IsAwake() == false) {
+ c = c.GetNext();
+ continue;
+ }
+ if (c.m_flags & b2Contact.e_filterFlag) {
+ if (bodyB.ShouldCollide(bodyA) == false) {
+ var cNuke = c;
+ c = cNuke.GetNext();
+ this.Destroy(cNuke);
+ continue;
+ }
+ if (this.m_contactFilter.ShouldCollide(fixtureA, fixtureB) == false) {
+ cNuke = c;
+ c = cNuke.GetNext();
+ this.Destroy(cNuke);
+ continue;
+ }
+ c.m_flags &= ~b2Contact.e_filterFlag;
+ }
+ var proxyA = fixtureA.m_proxy;
+ var proxyB = fixtureB.m_proxy;
+ var overlap = this.m_broadPhase.TestOverlap(proxyA, proxyB);
+ if (overlap == false) {
+ cNuke = c;
+ c = cNuke.GetNext();
+ this.Destroy(cNuke);
+ continue;
+ }
+ c.Update(this.m_contactListener);
+ c = c.GetNext();
+ }
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.b2ContactManager.s_evalCP = new b2ContactPoint();
+ });
+ b2DebugDraw.b2DebugDraw = function () {};
+ b2DebugDraw.prototype.b2DebugDraw = function () {}
+ b2DebugDraw.prototype.SetFlags = function (flags) {
+ if (flags === undefined) flags = 0;
+ }
+ b2DebugDraw.prototype.GetFlags = function () {}
+ b2DebugDraw.prototype.AppendFlags = function (flags) {
+ if (flags === undefined) flags = 0;
+ }
+ b2DebugDraw.prototype.ClearFlags = function (flags) {
+ if (flags === undefined) flags = 0;
+ }
+ b2DebugDraw.prototype.SetSprite = function (sprite) {}
+ b2DebugDraw.prototype.GetSprite = function () {}
+ b2DebugDraw.prototype.SetDrawScale = function (drawScale) {
+ if (drawScale === undefined) drawScale = 0;
+ }
+ b2DebugDraw.prototype.GetDrawScale = function () {}
+ b2DebugDraw.prototype.SetLineThickness = function (lineThickness) {
+ if (lineThickness === undefined) lineThickness = 0;
+ }
+ b2DebugDraw.prototype.GetLineThickness = function () {}
+ b2DebugDraw.prototype.SetAlpha = function (alpha) {
+ if (alpha === undefined) alpha = 0;
+ }
+ b2DebugDraw.prototype.GetAlpha = function () {}
+ b2DebugDraw.prototype.SetFillAlpha = function (alpha) {
+ if (alpha === undefined) alpha = 0;
+ }
+ b2DebugDraw.prototype.GetFillAlpha = function () {}
+ b2DebugDraw.prototype.SetXFormScale = function (xformScale) {
+ if (xformScale === undefined) xformScale = 0;
+ }
+ b2DebugDraw.prototype.GetXFormScale = function () {}
+ b2DebugDraw.prototype.DrawPolygon = function (vertices, vertexCount, color) {
+ if (vertexCount === undefined) vertexCount = 0;
+ }
+ b2DebugDraw.prototype.DrawSolidPolygon = function (vertices, vertexCount, color) {
+ if (vertexCount === undefined) vertexCount = 0;
+ }
+ b2DebugDraw.prototype.DrawCircle = function (center, radius, color) {
+ if (radius === undefined) radius = 0;
+ }
+ b2DebugDraw.prototype.DrawSolidCircle = function (center, radius, axis, color) {
+ if (radius === undefined) radius = 0;
+ }
+ b2DebugDraw.prototype.DrawSegment = function (p1, p2, color) {}
+ b2DebugDraw.prototype.DrawTransform = function (xf) {}
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.b2DebugDraw.e_shapeBit = 0x0001;
+ Box2D.Dynamics.b2DebugDraw.e_jointBit = 0x0002;
+ Box2D.Dynamics.b2DebugDraw.e_aabbBit = 0x0004;
+ Box2D.Dynamics.b2DebugDraw.e_pairBit = 0x0008;
+ Box2D.Dynamics.b2DebugDraw.e_centerOfMassBit = 0x0010;
+ Box2D.Dynamics.b2DebugDraw.e_controllerBit = 0x0020;
+ });
+ b2DestructionListener.b2DestructionListener = function () {};
+ b2DestructionListener.prototype.SayGoodbyeJoint = function (joint) {}
+ b2DestructionListener.prototype.SayGoodbyeFixture = function (fixture) {}
+ b2FilterData.b2FilterData = function () {
+ this.categoryBits = 0x0001;
+ this.maskBits = 0xFFFF;
+ this.groupIndex = 0;
+ };
+ b2FilterData.prototype.Copy = function () {
+ var copy = new b2FilterData();
+ copy.categoryBits = this.categoryBits;
+ copy.maskBits = this.maskBits;
+ copy.groupIndex = this.groupIndex;
+ return copy;
+ }
+ b2Fixture.b2Fixture = function () {
+ this.m_filter = new b2FilterData();
+ };
+ b2Fixture.prototype.GetType = function () {
+ return this.m_shape.GetType();
+ }
+ b2Fixture.prototype.GetShape = function () {
+ return this.m_shape;
+ }
+ b2Fixture.prototype.SetSensor = function (sensor) {
+ if (this.m_isSensor == sensor) return;
+ this.m_isSensor = sensor;
+ if (this.m_body == null) return;
+ var edge = this.m_body.GetContactList();
+ while (edge) {
+ var contact = edge.contact;
+ var fixtureA = contact.GetFixtureA();
+ var fixtureB = contact.GetFixtureB();
+ if (fixtureA == this || fixtureB == this) contact.SetSensor(fixtureA.IsSensor() || fixtureB.IsSensor());
+ edge = edge.next;
+ }
+ }
+ b2Fixture.prototype.IsSensor = function () {
+ return this.m_isSensor;
+ }
+ b2Fixture.prototype.SetFilterData = function (filter) {
+ this.m_filter = filter.Copy();
+ if (this.m_body) return;
+ var edge = this.m_body.GetContactList();
+ while (edge) {
+ var contact = edge.contact;
+ var fixtureA = contact.GetFixtureA();
+ var fixtureB = contact.GetFixtureB();
+ if (fixtureA == this || fixtureB == this) contact.FlagForFiltering();
+ edge = edge.next;
+ }
+ }
+ b2Fixture.prototype.GetFilterData = function () {
+ return this.m_filter.Copy();
+ }
+ b2Fixture.prototype.GetBody = function () {
+ return this.m_body;
+ }
+ b2Fixture.prototype.GetNext = function () {
+ return this.m_next;
+ }
+ b2Fixture.prototype.GetUserData = function () {
+ return this.m_userData;
+ }
+ b2Fixture.prototype.SetUserData = function (data) {
+ this.m_userData = data;
+ }
+ b2Fixture.prototype.TestPoint = function (p) {
+ return this.m_shape.TestPoint(this.m_body.GetTransform(), p);
+ }
+ b2Fixture.prototype.RayCast = function (output, input) {
+ return this.m_shape.RayCast(output, input, this.m_body.GetTransform());
+ }
+ b2Fixture.prototype.GetMassData = function (massData) {
+ if (massData === undefined) massData = null;
+ if (massData == null) {
+ massData = new b2MassData();
+ }
+ this.m_shape.ComputeMass(massData, this.m_density);
+ return massData;
+ }
+ b2Fixture.prototype.SetDensity = function (density) {
+ if (density === undefined) density = 0;
+ this.m_density = density;
+ }
+ b2Fixture.prototype.GetDensity = function () {
+ return this.m_density;
+ }
+ b2Fixture.prototype.GetFriction = function () {
+ return this.m_friction;
+ }
+ b2Fixture.prototype.SetFriction = function (friction) {
+ if (friction === undefined) friction = 0;
+ this.m_friction = friction;
+ }
+ b2Fixture.prototype.GetRestitution = function () {
+ return this.m_restitution;
+ }
+ b2Fixture.prototype.SetRestitution = function (restitution) {
+ if (restitution === undefined) restitution = 0;
+ this.m_restitution = restitution;
+ }
+ b2Fixture.prototype.GetAABB = function () {
+ return this.m_aabb;
+ }
+ b2Fixture.prototype.b2Fixture = function () {
+ this.m_aabb = new b2AABB();
+ this.m_userData = null;
+ this.m_body = null;
+ this.m_next = null;
+ this.m_shape = null;
+ this.m_density = 0.0;
+ this.m_friction = 0.0;
+ this.m_restitution = 0.0;
+ }
+ b2Fixture.prototype.Create = function (body, xf, def) {
+ this.m_userData = def.userData;
+ this.m_friction = def.friction;
+ this.m_restitution = def.restitution;
+ this.m_body = body;
+ this.m_next = null;
+ this.m_filter = def.filter.Copy();
+ this.m_isSensor = def.isSensor;
+ this.m_shape = def.shape.Copy();
+ this.m_density = def.density;
+ }
+ b2Fixture.prototype.Destroy = function () {
+ this.m_shape = null;
+ }
+ b2Fixture.prototype.CreateProxy = function (broadPhase, xf) {
+ this.m_shape.ComputeAABB(this.m_aabb, xf);
+ this.m_proxy = broadPhase.CreateProxy(this.m_aabb, this);
+ }
+ b2Fixture.prototype.DestroyProxy = function (broadPhase) {
+ if (this.m_proxy == null) {
+ return;
+ }
+ broadPhase.DestroyProxy(this.m_proxy);
+ this.m_proxy = null;
+ }
+ b2Fixture.prototype.Synchronize = function (broadPhase, transform1, transform2) {
+ if (!this.m_proxy) return;
+ var aabb1 = new b2AABB();
+ var aabb2 = new b2AABB();
+ this.m_shape.ComputeAABB(aabb1, transform1);
+ this.m_shape.ComputeAABB(aabb2, transform2);
+ this.m_aabb.Combine(aabb1, aabb2);
+ var displacement = b2Math.SubtractVV(transform2.position, transform1.position);
+ broadPhase.MoveProxy(this.m_proxy, this.m_aabb, displacement);
+ }
+ b2FixtureDef.b2FixtureDef = function () {
+ this.filter = new b2FilterData();
+ };
+ b2FixtureDef.prototype.b2FixtureDef = function () {
+ this.shape = null;
+ this.userData = null;
+ this.friction = 0.2;
+ this.restitution = 0.0;
+ this.density = 0.0;
+ this.filter.categoryBits = 0x0001;
+ this.filter.maskBits = 0xFFFF;
+ this.filter.groupIndex = 0;
+ this.isSensor = false;
+ }
+ b2Island.b2Island = function () {};
+ b2Island.prototype.b2Island = function () {
+ this.m_bodies = new Vector();
+ this.m_contacts = new Vector();
+ this.m_joints = new Vector();
+ }
+ b2Island.prototype.Initialize = function (bodyCapacity, contactCapacity, jointCapacity, allocator, listener, contactSolver) {
+ if (bodyCapacity === undefined) bodyCapacity = 0;
+ if (contactCapacity === undefined) contactCapacity = 0;
+ if (jointCapacity === undefined) jointCapacity = 0;
+ var i = 0;
+ this.m_bodyCapacity = bodyCapacity;
+ this.m_contactCapacity = contactCapacity;
+ this.m_jointCapacity = jointCapacity;
+ this.m_bodyCount = 0;
+ this.m_contactCount = 0;
+ this.m_jointCount = 0;
+ this.m_allocator = allocator;
+ this.m_listener = listener;
+ this.m_contactSolver = contactSolver;
+ for (i = this.m_bodies.length;
+ i < bodyCapacity; i++)
+ this.m_bodies[i] = null;
+ for (i = this.m_contacts.length;
+ i < contactCapacity; i++)
+ this.m_contacts[i] = null;
+ for (i = this.m_joints.length;
+ i < jointCapacity; i++)
+ this.m_joints[i] = null;
+ }
+ b2Island.prototype.Clear = function () {
+ this.m_bodyCount = 0;
+ this.m_contactCount = 0;
+ this.m_jointCount = 0;
+ }
+ b2Island.prototype.Solve = function (step, gravity, allowSleep) {
+ var i = 0;
+ var j = 0;
+ var b;
+ var joint;
+ for (i = 0;
+ i < this.m_bodyCount; ++i) {
+ b = this.m_bodies[i];
+ if (b.GetType() != b2Body.b2_dynamicBody) continue;
+ b.m_linearVelocity.x += step.dt * (gravity.x + b.m_invMass * b.m_force.x);
+ b.m_linearVelocity.y += step.dt * (gravity.y + b.m_invMass * b.m_force.y);
+ b.m_angularVelocity += step.dt * b.m_invI * b.m_torque;
+ b.m_linearVelocity.Multiply(b2Math.Clamp(1.0 - step.dt * b.m_linearDamping, 0.0, 1.0));
+ b.m_angularVelocity *= b2Math.Clamp(1.0 - step.dt * b.m_angularDamping, 0.0, 1.0);
+ }
+ this.m_contactSolver.Initialize(step, this.m_contacts, this.m_contactCount, this.m_allocator);
+ var contactSolver = this.m_contactSolver;
+ contactSolver.InitVelocityConstraints(step);
+ for (i = 0;
+ i < this.m_jointCount; ++i) {
+ joint = this.m_joints[i];
+ joint.InitVelocityConstraints(step);
+ }
+ for (i = 0;
+ i < step.velocityIterations; ++i) {
+ for (j = 0;
+ j < this.m_jointCount; ++j) {
+ joint = this.m_joints[j];
+ joint.SolveVelocityConstraints(step);
+ }
+ contactSolver.SolveVelocityConstraints();
+ }
+ for (i = 0;
+ i < this.m_jointCount; ++i) {
+ joint = this.m_joints[i];
+ joint.FinalizeVelocityConstraints();
+ }
+ contactSolver.FinalizeVelocityConstraints();
+ for (i = 0;
+ i < this.m_bodyCount; ++i) {
+ b = this.m_bodies[i];
+ if (b.GetType() == b2Body.b2_staticBody) continue;
+ var translationX = step.dt * b.m_linearVelocity.x;
+ var translationY = step.dt * b.m_linearVelocity.y;
+ if ((translationX * translationX + translationY * translationY) > b2Settings.b2_maxTranslationSquared) {
+ b.m_linearVelocity.Normalize();
+ b.m_linearVelocity.x *= b2Settings.b2_maxTranslation * step.inv_dt;
+ b.m_linearVelocity.y *= b2Settings.b2_maxTranslation * step.inv_dt;
+ }
+ var rotation = step.dt * b.m_angularVelocity;
+ if (rotation * rotation > b2Settings.b2_maxRotationSquared) {
+ if (b.m_angularVelocity < 0.0) {
+ b.m_angularVelocity = (-b2Settings.b2_maxRotation * step.inv_dt);
+ }
+ else {
+ b.m_angularVelocity = b2Settings.b2_maxRotation * step.inv_dt;
+ }
+ }
+ b.m_sweep.c0.SetV(b.m_sweep.c);
+ b.m_sweep.a0 = b.m_sweep.a;
+ b.m_sweep.c.x += step.dt * b.m_linearVelocity.x;
+ b.m_sweep.c.y += step.dt * b.m_linearVelocity.y;
+ b.m_sweep.a += step.dt * b.m_angularVelocity;
+ b.SynchronizeTransform();
+ }
+ for (i = 0;
+ i < step.positionIterations; ++i) {
+ var contactsOkay = contactSolver.SolvePositionConstraints(b2Settings.b2_contactBaumgarte);
+ var jointsOkay = true;
+ for (j = 0;
+ j < this.m_jointCount; ++j) {
+ joint = this.m_joints[j];
+ var jointOkay = joint.SolvePositionConstraints(b2Settings.b2_contactBaumgarte);
+ jointsOkay = jointsOkay && jointOkay;
+ }
+ if (contactsOkay && jointsOkay) {
+ break;
+ }
+ }
+ this.Report(contactSolver.m_constraints);
+ if (allowSleep) {
+ var minSleepTime = Number.MAX_VALUE;
+ var linTolSqr = b2Settings.b2_linearSleepTolerance * b2Settings.b2_linearSleepTolerance;
+ var angTolSqr = b2Settings.b2_angularSleepTolerance * b2Settings.b2_angularSleepTolerance;
+ for (i = 0;
+ i < this.m_bodyCount; ++i) {
+ b = this.m_bodies[i];
+ if (b.GetType() == b2Body.b2_staticBody) {
+ continue;
+ }
+ if ((b.m_flags & b2Body.e_allowSleepFlag) == 0) {
+ b.m_sleepTime = 0.0;
+ minSleepTime = 0.0;
+ }
+ if ((b.m_flags & b2Body.e_allowSleepFlag) == 0 || b.m_angularVelocity * b.m_angularVelocity > angTolSqr || b2Math.Dot(b.m_linearVelocity, b.m_linearVelocity) > linTolSqr) {
+ b.m_sleepTime = 0.0;
+ minSleepTime = 0.0;
+ }
+ else {
+ b.m_sleepTime += step.dt;
+ minSleepTime = b2Math.Min(minSleepTime, b.m_sleepTime);
+ }
+ }
+ if (minSleepTime >= b2Settings.b2_timeToSleep) {
+ for (i = 0;
+ i < this.m_bodyCount; ++i) {
+ b = this.m_bodies[i];
+ b.SetAwake(false);
+ }
+ }
+ }
+ }
+ b2Island.prototype.SolveTOI = function (subStep) {
+ var i = 0;
+ var j = 0;
+ this.m_contactSolver.Initialize(subStep, this.m_contacts, this.m_contactCount, this.m_allocator);
+ var contactSolver = this.m_contactSolver;
+ for (i = 0;
+ i < this.m_jointCount; ++i) {
+ this.m_joints[i].InitVelocityConstraints(subStep);
+ }
+ for (i = 0;
+ i < subStep.velocityIterations; ++i) {
+ contactSolver.SolveVelocityConstraints();
+ for (j = 0;
+ j < this.m_jointCount; ++j) {
+ this.m_joints[j].SolveVelocityConstraints(subStep);
+ }
+ }
+ for (i = 0;
+ i < this.m_bodyCount; ++i) {
+ var b = this.m_bodies[i];
+ if (b.GetType() == b2Body.b2_staticBody) continue;
+ var translationX = subStep.dt * b.m_linearVelocity.x;
+ var translationY = subStep.dt * b.m_linearVelocity.y;
+ if ((translationX * translationX + translationY * translationY) > b2Settings.b2_maxTranslationSquared) {
+ b.m_linearVelocity.Normalize();
+ b.m_linearVelocity.x *= b2Settings.b2_maxTranslation * subStep.inv_dt;
+ b.m_linearVelocity.y *= b2Settings.b2_maxTranslation * subStep.inv_dt;
+ }
+ var rotation = subStep.dt * b.m_angularVelocity;
+ if (rotation * rotation > b2Settings.b2_maxRotationSquared) {
+ if (b.m_angularVelocity < 0.0) {
+ b.m_angularVelocity = (-b2Settings.b2_maxRotation * subStep.inv_dt);
+ }
+ else {
+ b.m_angularVelocity = b2Settings.b2_maxRotation * subStep.inv_dt;
+ }
+ }
+ b.m_sweep.c0.SetV(b.m_sweep.c);
+ b.m_sweep.a0 = b.m_sweep.a;
+ b.m_sweep.c.x += subStep.dt * b.m_linearVelocity.x;
+ b.m_sweep.c.y += subStep.dt * b.m_linearVelocity.y;
+ b.m_sweep.a += subStep.dt * b.m_angularVelocity;
+ b.SynchronizeTransform();
+ }
+ var k_toiBaumgarte = 0.75;
+ for (i = 0;
+ i < subStep.positionIterations; ++i) {
+ var contactsOkay = contactSolver.SolvePositionConstraints(k_toiBaumgarte);
+ var jointsOkay = true;
+ for (j = 0;
+ j < this.m_jointCount; ++j) {
+ var jointOkay = this.m_joints[j].SolvePositionConstraints(b2Settings.b2_contactBaumgarte);
+ jointsOkay = jointsOkay && jointOkay;
+ }
+ if (contactsOkay && jointsOkay) {
+ break;
+ }
+ }
+ this.Report(contactSolver.m_constraints);
+ }
+ b2Island.prototype.Report = function (constraints) {
+ if (this.m_listener == null) {
+ return;
+ }
+ for (var i = 0; i < this.m_contactCount; ++i) {
+ var c = this.m_contacts[i];
+ var cc = constraints[i];
+ for (var j = 0; j < cc.pointCount; ++j) {
+ b2Island.s_impulse.normalImpulses[j] = cc.points[j].normalImpulse;
+ b2Island.s_impulse.tangentImpulses[j] = cc.points[j].tangentImpulse;
+ }
+ this.m_listener.PostSolve(c, b2Island.s_impulse);
+ }
+ }
+ b2Island.prototype.AddBody = function (body) {
+ body.m_islandIndex = this.m_bodyCount;
+ this.m_bodies[this.m_bodyCount++] = body;
+ }
+ b2Island.prototype.AddContact = function (contact) {
+ this.m_contacts[this.m_contactCount++] = contact;
+ }
+ b2Island.prototype.AddJoint = function (joint) {
+ this.m_joints[this.m_jointCount++] = joint;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.b2Island.s_impulse = new b2ContactImpulse();
+ });
+ b2TimeStep.b2TimeStep = function () {};
+ b2TimeStep.prototype.Set = function (step) {
+ this.dt = step.dt;
+ this.inv_dt = step.inv_dt;
+ this.positionIterations = step.positionIterations;
+ this.velocityIterations = step.velocityIterations;
+ this.warmStarting = step.warmStarting;
+ }
+ b2World.b2World = function () {
+ this.s_stack = new Vector();
+ this.m_contactManager = new b2ContactManager();
+ this.m_contactSolver = new b2ContactSolver();
+ this.m_island = new b2Island();
+ };
+ b2World.prototype.b2World = function (gravity, doSleep) {
+ this.m_destructionListener = null;
+ this.m_debugDraw = null;
+ this.m_bodyList = null;
+ this.m_contactList = null;
+ this.m_jointList = null;
+ this.m_controllerList = null;
+ this.m_bodyCount = 0;
+ this.m_contactCount = 0;
+ this.m_jointCount = 0;
+ this.m_controllerCount = 0;
+ b2World.m_warmStarting = true;
+ b2World.m_continuousPhysics = true;
+ this.m_allowSleep = doSleep;
+ this.m_gravity = gravity;
+ this.m_inv_dt0 = 0.0;
+ this.m_contactManager.m_world = this;
+ var bd = new b2BodyDef();
+ this.m_groundBody = this.CreateBody(bd);
+ }
+ b2World.prototype.SetDestructionListener = function (listener) {
+ this.m_destructionListener = listener;
+ }
+ b2World.prototype.SetContactFilter = function (filter) {
+ this.m_contactManager.m_contactFilter = filter;
+ }
+ b2World.prototype.SetContactListener = function (listener) {
+ this.m_contactManager.m_contactListener = listener;
+ }
+ b2World.prototype.SetDebugDraw = function (debugDraw) {
+ this.m_debugDraw = debugDraw;
+ }
+ b2World.prototype.SetBroadPhase = function (broadPhase) {
+ var oldBroadPhase = this.m_contactManager.m_broadPhase;
+ this.m_contactManager.m_broadPhase = broadPhase;
+ for (var b = this.m_bodyList; b; b = b.m_next) {
+ for (var f = b.m_fixtureList; f; f = f.m_next) {
+ f.m_proxy = broadPhase.CreateProxy(oldBroadPhase.GetFatAABB(f.m_proxy), f);
+ }
+ }
+ }
+ b2World.prototype.Validate = function () {
+ this.m_contactManager.m_broadPhase.Validate();
+ }
+ b2World.prototype.GetProxyCount = function () {
+ return this.m_contactManager.m_broadPhase.GetProxyCount();
+ }
+ b2World.prototype.CreateBody = function (def) {
+ if (this.IsLocked() == true) {
+ return null;
+ }
+ var b = new b2Body(def, this);
+ b.m_prev = null;
+ b.m_next = this.m_bodyList;
+ if (this.m_bodyList) {
+ this.m_bodyList.m_prev = b;
+ }
+ this.m_bodyList = b;
+ ++this.m_bodyCount;
+ return b;
+ }
+ b2World.prototype.DestroyBody = function (b) {
+ if (this.IsLocked() == true) {
+ return;
+ }
+ var jn = b.m_jointList;
+ while (jn) {
+ var jn0 = jn;
+ jn = jn.next;
+ if (this.m_destructionListener) {
+ this.m_destructionListener.SayGoodbyeJoint(jn0.joint);
+ }
+ this.DestroyJoint(jn0.joint);
+ }
+ var coe = b.m_controllerList;
+ while (coe) {
+ var coe0 = coe;
+ coe = coe.nextController;
+ coe0.controller.RemoveBody(b);
+ }
+ var ce = b.m_contactList;
+ while (ce) {
+ var ce0 = ce;
+ ce = ce.next;
+ this.m_contactManager.Destroy(ce0.contact);
+ }
+ b.m_contactList = null;
+ var f = b.m_fixtureList;
+ while (f) {
+ var f0 = f;
+ f = f.m_next;
+ if (this.m_destructionListener) {
+ this.m_destructionListener.SayGoodbyeFixture(f0);
+ }
+ f0.DestroyProxy(this.m_contactManager.m_broadPhase);
+ f0.Destroy();
+ }
+ b.m_fixtureList = null;
+ b.m_fixtureCount = 0;
+ if (b.m_prev) {
+ b.m_prev.m_next = b.m_next;
+ }
+ if (b.m_next) {
+ b.m_next.m_prev = b.m_prev;
+ }
+ if (b == this.m_bodyList) {
+ this.m_bodyList = b.m_next;
+ }--this.m_bodyCount;
+ }
+ b2World.prototype.CreateJoint = function (def) {
+ var j = b2Joint.Create(def, null);
+ j.m_prev = null;
+ j.m_next = this.m_jointList;
+ if (this.m_jointList) {
+ this.m_jointList.m_prev = j;
+ }
+ this.m_jointList = j;
+ ++this.m_jointCount;
+ j.m_edgeA.joint = j;
+ j.m_edgeA.other = j.m_bodyB;
+ j.m_edgeA.prev = null;
+ j.m_edgeA.next = j.m_bodyA.m_jointList;
+ if (j.m_bodyA.m_jointList) j.m_bodyA.m_jointList.prev = j.m_edgeA;
+ j.m_bodyA.m_jointList = j.m_edgeA;
+ j.m_edgeB.joint = j;
+ j.m_edgeB.other = j.m_bodyA;
+ j.m_edgeB.prev = null;
+ j.m_edgeB.next = j.m_bodyB.m_jointList;
+ if (j.m_bodyB.m_jointList) j.m_bodyB.m_jointList.prev = j.m_edgeB;
+ j.m_bodyB.m_jointList = j.m_edgeB;
+ var bodyA = def.bodyA;
+ var bodyB = def.bodyB;
+ if (def.collideConnected == false) {
+ var edge = bodyB.GetContactList();
+ while (edge) {
+ if (edge.other == bodyA) {
+ edge.contact.FlagForFiltering();
+ }
+ edge = edge.next;
+ }
+ }
+ return j;
+ }
+ b2World.prototype.DestroyJoint = function (j) {
+ var collideConnected = j.m_collideConnected;
+ if (j.m_prev) {
+ j.m_prev.m_next = j.m_next;
+ }
+ if (j.m_next) {
+ j.m_next.m_prev = j.m_prev;
+ }
+ if (j == this.m_jointList) {
+ this.m_jointList = j.m_next;
+ }
+ var bodyA = j.m_bodyA;
+ var bodyB = j.m_bodyB;
+ bodyA.SetAwake(true);
+ bodyB.SetAwake(true);
+ if (j.m_edgeA.prev) {
+ j.m_edgeA.prev.next = j.m_edgeA.next;
+ }
+ if (j.m_edgeA.next) {
+ j.m_edgeA.next.prev = j.m_edgeA.prev;
+ }
+ if (j.m_edgeA == bodyA.m_jointList) {
+ bodyA.m_jointList = j.m_edgeA.next;
+ }
+ j.m_edgeA.prev = null;
+ j.m_edgeA.next = null;
+ if (j.m_edgeB.prev) {
+ j.m_edgeB.prev.next = j.m_edgeB.next;
+ }
+ if (j.m_edgeB.next) {
+ j.m_edgeB.next.prev = j.m_edgeB.prev;
+ }
+ if (j.m_edgeB == bodyB.m_jointList) {
+ bodyB.m_jointList = j.m_edgeB.next;
+ }
+ j.m_edgeB.prev = null;
+ j.m_edgeB.next = null;
+ b2Joint.Destroy(j, null);
+ --this.m_jointCount;
+ if (collideConnected == false) {
+ var edge = bodyB.GetContactList();
+ while (edge) {
+ if (edge.other == bodyA) {
+ edge.contact.FlagForFiltering();
+ }
+ edge = edge.next;
+ }
+ }
+ }
+ b2World.prototype.AddController = function (c) {
+ c.m_next = this.m_controllerList;
+ c.m_prev = null;
+ this.m_controllerList = c;
+ c.m_world = this;
+ this.m_controllerCount++;
+ return c;
+ }
+ b2World.prototype.RemoveController = function (c) {
+ if (c.m_prev) c.m_prev.m_next = c.m_next;
+ if (c.m_next) c.m_next.m_prev = c.m_prev;
+ if (this.m_controllerList == c) this.m_controllerList = c.m_next;
+ this.m_controllerCount--;
+ }
+ b2World.prototype.CreateController = function (controller) {
+ if (controller.m_world != this) throw new Error("Controller can only be a member of one world");
+ controller.m_next = this.m_controllerList;
+ controller.m_prev = null;
+ if (this.m_controllerList) this.m_controllerList.m_prev = controller;
+ this.m_controllerList = controller;
+ ++this.m_controllerCount;
+ controller.m_world = this;
+ return controller;
+ }
+ b2World.prototype.DestroyController = function (controller) {
+ controller.Clear();
+ if (controller.m_next) controller.m_next.m_prev = controller.m_prev;
+ if (controller.m_prev) controller.m_prev.m_next = controller.m_next;
+ if (controller == this.m_controllerList) this.m_controllerList = controller.m_next;
+ --this.m_controllerCount;
+ }
+ b2World.prototype.SetWarmStarting = function (flag) {
+ b2World.m_warmStarting = flag;
+ }
+ b2World.prototype.SetContinuousPhysics = function (flag) {
+ b2World.m_continuousPhysics = flag;
+ }
+ b2World.prototype.GetBodyCount = function () {
+ return this.m_bodyCount;
+ }
+ b2World.prototype.GetJointCount = function () {
+ return this.m_jointCount;
+ }
+ b2World.prototype.GetContactCount = function () {
+ return this.m_contactCount;
+ }
+ b2World.prototype.SetGravity = function (gravity) {
+ this.m_gravity = gravity;
+ }
+ b2World.prototype.GetGravity = function () {
+ return this.m_gravity;
+ }
+ b2World.prototype.GetGroundBody = function () {
+ return this.m_groundBody;
+ }
+ b2World.prototype.Step = function (dt, velocityIterations, positionIterations) {
+ if (dt === undefined) dt = 0;
+ if (velocityIterations === undefined) velocityIterations = 0;
+ if (positionIterations === undefined) positionIterations = 0;
+ if (this.m_flags & b2World.e_newFixture) {
+ this.m_contactManager.FindNewContacts();
+ this.m_flags &= ~b2World.e_newFixture;
+ }
+ this.m_flags |= b2World.e_locked;
+ var step = b2World.s_timestep2;
+ step.dt = dt;
+ step.velocityIterations = velocityIterations;
+ step.positionIterations = positionIterations;
+ if (dt > 0.0) {
+ step.inv_dt = 1.0 / dt;
+ }
+ else {
+ step.inv_dt = 0.0;
+ }
+ step.dtRatio = this.m_inv_dt0 * dt;
+ step.warmStarting = b2World.m_warmStarting;
+ this.m_contactManager.Collide();
+ if (step.dt > 0.0) {
+ this.Solve(step);
+ }
+ if (b2World.m_continuousPhysics && step.dt > 0.0) {
+ this.SolveTOI(step);
+ }
+ if (step.dt > 0.0) {
+ this.m_inv_dt0 = step.inv_dt;
+ }
+ this.m_flags &= ~b2World.e_locked;
+ }
+ b2World.prototype.ClearForces = function () {
+ for (var body = this.m_bodyList; body; body = body.m_next) {
+ body.m_force.SetZero();
+ body.m_torque = 0.0;
+ }
+ }
+ b2World.prototype.DrawDebugData = function () {
+ if (this.m_debugDraw == null) {
+ return;
+ }
+ this.m_debugDraw.m_sprite.graphics.clear();
+ var flags = this.m_debugDraw.GetFlags();
+ var i = 0;
+ var b;
+ var f;
+ var s;
+ var j;
+ var bp;
+ var invQ = new b2Vec2;
+ var x1 = new b2Vec2;
+ var x2 = new b2Vec2;
+ var xf;
+ var b1 = new b2AABB();
+ var b2 = new b2AABB();
+ var vs = [new b2Vec2(), new b2Vec2(), new b2Vec2(), new b2Vec2()];
+ var color = new b2Color(0, 0, 0);
+ if (flags & b2DebugDraw.e_shapeBit) {
+ for (b = this.m_bodyList;
+ b; b = b.m_next) {
+ xf = b.m_xf;
+ for (f = b.GetFixtureList();
+ f; f = f.m_next) {
+ s = f.GetShape();
+ if (b.IsActive() == false) {
+ color.Set(0.5, 0.5, 0.3);
+ this.DrawShape(s, xf, color);
+ }
+ else if (b.GetType() == b2Body.b2_staticBody) {
+ color.Set(0.5, 0.9, 0.5);
+ this.DrawShape(s, xf, color);
+ }
+ else if (b.GetType() == b2Body.b2_kinematicBody) {
+ color.Set(0.5, 0.5, 0.9);
+ this.DrawShape(s, xf, color);
+ }
+ else if (b.IsAwake() == false) {
+ color.Set(0.6, 0.6, 0.6);
+ this.DrawShape(s, xf, color);
+ }
+ else {
+ color.Set(0.9, 0.7, 0.7);
+ this.DrawShape(s, xf, color);
+ }
+ }
+ }
+ }
+ if (flags & b2DebugDraw.e_jointBit) {
+ for (j = this.m_jointList;
+ j; j = j.m_next) {
+ this.DrawJoint(j);
+ }
+ }
+ if (flags & b2DebugDraw.e_controllerBit) {
+ for (var c = this.m_controllerList; c; c = c.m_next) {
+ c.Draw(this.m_debugDraw);
+ }
+ }
+ if (flags & b2DebugDraw.e_pairBit) {
+ color.Set(0.3, 0.9, 0.9);
+ for (var contact = this.m_contactManager.m_contactList; contact; contact = contact.GetNext()) {
+ var fixtureA = contact.GetFixtureA();
+ var fixtureB = contact.GetFixtureB();
+ var cA = fixtureA.GetAABB().GetCenter();
+ var cB = fixtureB.GetAABB().GetCenter();
+ this.m_debugDraw.DrawSegment(cA, cB, color);
+ }
+ }
+ if (flags & b2DebugDraw.e_aabbBit) {
+ bp = this.m_contactManager.m_broadPhase;
+ vs = [new b2Vec2(), new b2Vec2(), new b2Vec2(), new b2Vec2()];
+ for (b = this.m_bodyList;
+ b; b = b.GetNext()) {
+ if (b.IsActive() == false) {
+ continue;
+ }
+ for (f = b.GetFixtureList();
+ f; f = f.GetNext()) {
+ var aabb = bp.GetFatAABB(f.m_proxy);
+ vs[0].Set(aabb.lowerBound.x, aabb.lowerBound.y);
+ vs[1].Set(aabb.upperBound.x, aabb.lowerBound.y);
+ vs[2].Set(aabb.upperBound.x, aabb.upperBound.y);
+ vs[3].Set(aabb.lowerBound.x, aabb.upperBound.y);
+ this.m_debugDraw.DrawPolygon(vs, 4, color);
+ }
+ }
+ }
+ if (flags & b2DebugDraw.e_centerOfMassBit) {
+ for (b = this.m_bodyList;
+ b; b = b.m_next) {
+ xf = b2World.s_xf;
+ xf.R = b.m_xf.R;
+ xf.position = b.GetWorldCenter();
+ this.m_debugDraw.DrawTransform(xf);
+ }
+ }
+ }
+ b2World.prototype.QueryAABB = function (callback, aabb) {
+ var __this = this;
+ var broadPhase = __this.m_contactManager.m_broadPhase;
+
+ function WorldQueryWrapper(proxy) {
+ return callback(broadPhase.GetUserData(proxy));
+ };
+ broadPhase.Query(WorldQueryWrapper, aabb);
+ }
+ b2World.prototype.QueryShape = function (callback, shape, transform) {
+ var __this = this;
+ if (transform === undefined) transform = null;
+ if (transform == null) {
+ transform = new b2Transform();
+ transform.SetIdentity();
+ }
+ var broadPhase = __this.m_contactManager.m_broadPhase;
+
+ function WorldQueryWrapper(proxy) {
+ var fixture = (broadPhase.GetUserData(proxy) instanceof b2Fixture ? broadPhase.GetUserData(proxy) : null);
+ if (b2Shape.TestOverlap(shape, transform, fixture.GetShape(), fixture.GetBody().GetTransform())) return callback(fixture);
+ return true;
+ };
+ var aabb = new b2AABB();
+ shape.ComputeAABB(aabb, transform);
+ broadPhase.Query(WorldQueryWrapper, aabb);
+ }
+ b2World.prototype.QueryPoint = function (callback, p) {
+ var __this = this;
+ var broadPhase = __this.m_contactManager.m_broadPhase;
+
+ function WorldQueryWrapper(proxy) {
+ var fixture = (broadPhase.GetUserData(proxy) instanceof b2Fixture ? broadPhase.GetUserData(proxy) : null);
+ if (fixture.TestPoint(p)) return callback(fixture);
+ return true;
+ };
+ var aabb = new b2AABB();
+ aabb.lowerBound.Set(p.x - b2Settings.b2_linearSlop, p.y - b2Settings.b2_linearSlop);
+ aabb.upperBound.Set(p.x + b2Settings.b2_linearSlop, p.y + b2Settings.b2_linearSlop);
+ broadPhase.Query(WorldQueryWrapper, aabb);
+ }
+ b2World.prototype.RayCast = function (callback, point1, point2) {
+ var __this = this;
+ var broadPhase = __this.m_contactManager.m_broadPhase;
+ var output = new b2RayCastOutput;
+
+ function RayCastWrapper(input, proxy) {
+ var userData = broadPhase.GetUserData(proxy);
+ var fixture = (userData instanceof b2Fixture ? userData : null);
+ var hit = fixture.RayCast(output, input);
+ if (hit) {
+ var fraction = output.fraction;
+ var point = new b2Vec2((1.0 - fraction) * point1.x + fraction * point2.x, (1.0 - fraction) * point1.y + fraction * point2.y);
+ return callback(fixture, point, output.normal, fraction);
+ }
+ return input.maxFraction;
+ };
+ var input = new b2RayCastInput(point1, point2);
+ broadPhase.RayCast(RayCastWrapper, input);
+ }
+ b2World.prototype.RayCastOne = function (point1, point2) {
+ var __this = this;
+ var result;
+
+ function RayCastOneWrapper(fixture, point, normal, fraction) {
+ if (fraction === undefined) fraction = 0;
+ result = fixture;
+ return fraction;
+ };
+ __this.RayCast(RayCastOneWrapper, point1, point2);
+ return result;
+ }
+ b2World.prototype.RayCastAll = function (point1, point2) {
+ var __this = this;
+ var result = new Vector();
+
+ function RayCastAllWrapper(fixture, point, normal, fraction) {
+ if (fraction === undefined) fraction = 0;
+ result[result.length] = fixture;
+ return 1;
+ };
+ __this.RayCast(RayCastAllWrapper, point1, point2);
+ return result;
+ }
+ b2World.prototype.GetBodyList = function () {
+ return this.m_bodyList;
+ }
+ b2World.prototype.GetJointList = function () {
+ return this.m_jointList;
+ }
+ b2World.prototype.GetContactList = function () {
+ return this.m_contactList;
+ }
+ b2World.prototype.IsLocked = function () {
+ return (this.m_flags & b2World.e_locked) > 0;
+ }
+ b2World.prototype.Solve = function (step) {
+ var b;
+ for (var controller = this.m_controllerList; controller; controller = controller.m_next) {
+ controller.Step(step);
+ }
+ var island = this.m_island;
+ island.Initialize(this.m_bodyCount, this.m_contactCount, this.m_jointCount, null, this.m_contactManager.m_contactListener, this.m_contactSolver);
+ for (b = this.m_bodyList;
+ b; b = b.m_next) {
+ b.m_flags &= ~b2Body.e_islandFlag;
+ }
+ for (var c = this.m_contactList; c; c = c.m_next) {
+ c.m_flags &= ~b2Contact.e_islandFlag;
+ }
+ for (var j = this.m_jointList; j; j = j.m_next) {
+ j.m_islandFlag = false;
+ }
+ var stackSize = parseInt(this.m_bodyCount);
+ var stack = this.s_stack;
+ for (var seed = this.m_bodyList; seed; seed = seed.m_next) {
+ if (seed.m_flags & b2Body.e_islandFlag) {
+ continue;
+ }
+ if (seed.IsAwake() == false || seed.IsActive() == false) {
+ continue;
+ }
+ if (seed.GetType() == b2Body.b2_staticBody) {
+ continue;
+ }
+ island.Clear();
+ var stackCount = 0;
+ stack[stackCount++] = seed;
+ seed.m_flags |= b2Body.e_islandFlag;
+ while (stackCount > 0) {
+ b = stack[--stackCount];
+ island.AddBody(b);
+ if (b.IsAwake() == false) {
+ b.SetAwake(true);
+ }
+ if (b.GetType() == b2Body.b2_staticBody) {
+ continue;
+ }
+ var other;
+ for (var ce = b.m_contactList; ce; ce = ce.next) {
+ if (ce.contact.m_flags & b2Contact.e_islandFlag) {
+ continue;
+ }
+ if (ce.contact.IsSensor() == true || ce.contact.IsEnabled() == false || ce.contact.IsTouching() == false) {
+ continue;
+ }
+ island.AddContact(ce.contact);
+ ce.contact.m_flags |= b2Contact.e_islandFlag;
+ other = ce.other;
+ if (other.m_flags & b2Body.e_islandFlag) {
+ continue;
+ }
+ stack[stackCount++] = other;
+ other.m_flags |= b2Body.e_islandFlag;
+ }
+ for (var jn = b.m_jointList; jn; jn = jn.next) {
+ if (jn.joint.m_islandFlag == true) {
+ continue;
+ }
+ other = jn.other;
+ if (other.IsActive() == false) {
+ continue;
+ }
+ island.AddJoint(jn.joint);
+ jn.joint.m_islandFlag = true;
+ if (other.m_flags & b2Body.e_islandFlag) {
+ continue;
+ }
+ stack[stackCount++] = other;
+ other.m_flags |= b2Body.e_islandFlag;
+ }
+ }
+ island.Solve(step, this.m_gravity, this.m_allowSleep);
+ for (var i = 0; i < island.m_bodyCount; ++i) {
+ b = island.m_bodies[i];
+ if (b.GetType() == b2Body.b2_staticBody) {
+ b.m_flags &= ~b2Body.e_islandFlag;
+ }
+ }
+ }
+ for (i = 0;
+ i < stack.length; ++i) {
+ if (!stack[i]) break;
+ stack[i] = null;
+ }
+ for (b = this.m_bodyList;
+ b; b = b.m_next) {
+ if (b.IsAwake() == false || b.IsActive() == false) {
+ continue;
+ }
+ if (b.GetType() == b2Body.b2_staticBody) {
+ continue;
+ }
+ b.SynchronizeFixtures();
+ }
+ this.m_contactManager.FindNewContacts();
+ }
+ b2World.prototype.SolveTOI = function (step) {
+ var b;
+ var fA;
+ var fB;
+ var bA;
+ var bB;
+ var cEdge;
+ var j;
+ var island = this.m_island;
+ island.Initialize(this.m_bodyCount, b2Settings.b2_maxTOIContactsPerIsland, b2Settings.b2_maxTOIJointsPerIsland, null, this.m_contactManager.m_contactListener, this.m_contactSolver);
+ var queue = b2World.s_queue;
+ for (b = this.m_bodyList;
+ b; b = b.m_next) {
+ b.m_flags &= ~b2Body.e_islandFlag;
+ b.m_sweep.t0 = 0.0;
+ }
+ var c;
+ for (c = this.m_contactList;
+ c; c = c.m_next) {
+ c.m_flags &= ~ (b2Contact.e_toiFlag | b2Contact.e_islandFlag);
+ }
+ for (j = this.m_jointList;
+ j; j = j.m_next) {
+ j.m_islandFlag = false;
+ }
+ for (;;) {
+ var minContact = null;
+ var minTOI = 1.0;
+ for (c = this.m_contactList;
+ c; c = c.m_next) {
+ if (c.IsSensor() == true || c.IsEnabled() == false || c.IsContinuous() == false) {
+ continue;
+ }
+ var toi = 1.0;
+ if (c.m_flags & b2Contact.e_toiFlag) {
+ toi = c.m_toi;
+ }
+ else {
+ fA = c.m_fixtureA;
+ fB = c.m_fixtureB;
+ bA = fA.m_body;
+ bB = fB.m_body;
+ if ((bA.GetType() != b2Body.b2_dynamicBody || bA.IsAwake() == false) && (bB.GetType() != b2Body.b2_dynamicBody || bB.IsAwake() == false)) {
+ continue;
+ }
+ var t0 = bA.m_sweep.t0;
+ if (bA.m_sweep.t0 < bB.m_sweep.t0) {
+ t0 = bB.m_sweep.t0;
+ bA.m_sweep.Advance(t0);
+ }
+ else if (bB.m_sweep.t0 < bA.m_sweep.t0) {
+ t0 = bA.m_sweep.t0;
+ bB.m_sweep.Advance(t0);
+ }
+ toi = c.ComputeTOI(bA.m_sweep, bB.m_sweep);
+ b2Settings.b2Assert(0.0 <= toi && toi <= 1.0);
+ if (toi > 0.0 && toi < 1.0) {
+ toi = (1.0 - toi) * t0 + toi;
+ if (toi > 1) toi = 1;
+ }
+ c.m_toi = toi;
+ c.m_flags |= b2Contact.e_toiFlag;
+ }
+ if (Number.MIN_VALUE < toi && toi < minTOI) {
+ minContact = c;
+ minTOI = toi;
+ }
+ }
+ if (minContact == null || 1.0 - 100.0 * Number.MIN_VALUE < minTOI) {
+ break;
+ }
+ fA = minContact.m_fixtureA;
+ fB = minContact.m_fixtureB;
+ bA = fA.m_body;
+ bB = fB.m_body;
+ b2World.s_backupA.Set(bA.m_sweep);
+ b2World.s_backupB.Set(bB.m_sweep);
+ bA.Advance(minTOI);
+ bB.Advance(minTOI);
+ minContact.Update(this.m_contactManager.m_contactListener);
+ minContact.m_flags &= ~b2Contact.e_toiFlag;
+ if (minContact.IsSensor() == true || minContact.IsEnabled() == false) {
+ bA.m_sweep.Set(b2World.s_backupA);
+ bB.m_sweep.Set(b2World.s_backupB);
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ continue;
+ }
+ if (minContact.IsTouching() == false) {
+ continue;
+ }
+ var seed = bA;
+ if (seed.GetType() != b2Body.b2_dynamicBody) {
+ seed = bB;
+ }
+ island.Clear();
+ var queueStart = 0;
+ var queueSize = 0;
+ queue[queueStart + queueSize++] = seed;
+ seed.m_flags |= b2Body.e_islandFlag;
+ while (queueSize > 0) {
+ b = queue[queueStart++];
+ --queueSize;
+ island.AddBody(b);
+ if (b.IsAwake() == false) {
+ b.SetAwake(true);
+ }
+ if (b.GetType() != b2Body.b2_dynamicBody) {
+ continue;
+ }
+ for (cEdge = b.m_contactList;
+ cEdge; cEdge = cEdge.next) {
+ if (island.m_contactCount == island.m_contactCapacity) {
+ break;
+ }
+ if (cEdge.contact.m_flags & b2Contact.e_islandFlag) {
+ continue;
+ }
+ if (cEdge.contact.IsSensor() == true || cEdge.contact.IsEnabled() == false || cEdge.contact.IsTouching() == false) {
+ continue;
+ }
+ island.AddContact(cEdge.contact);
+ cEdge.contact.m_flags |= b2Contact.e_islandFlag;
+ var other = cEdge.other;
+ if (other.m_flags & b2Body.e_islandFlag) {
+ continue;
+ }
+ if (other.GetType() != b2Body.b2_staticBody) {
+ other.Advance(minTOI);
+ other.SetAwake(true);
+ }
+ queue[queueStart + queueSize] = other;
+ ++queueSize;
+ other.m_flags |= b2Body.e_islandFlag;
+ }
+ for (var jEdge = b.m_jointList; jEdge; jEdge = jEdge.next) {
+ if (island.m_jointCount == island.m_jointCapacity) continue;
+ if (jEdge.joint.m_islandFlag == true) continue;
+ other = jEdge.other;
+ if (other.IsActive() == false) {
+ continue;
+ }
+ island.AddJoint(jEdge.joint);
+ jEdge.joint.m_islandFlag = true;
+ if (other.m_flags & b2Body.e_islandFlag) continue;
+ if (other.GetType() != b2Body.b2_staticBody) {
+ other.Advance(minTOI);
+ other.SetAwake(true);
+ }
+ queue[queueStart + queueSize] = other;
+ ++queueSize;
+ other.m_flags |= b2Body.e_islandFlag;
+ }
+ }
+ var subStep = b2World.s_timestep;
+ subStep.warmStarting = false;
+ subStep.dt = (1.0 - minTOI) * step.dt;
+ subStep.inv_dt = 1.0 / subStep.dt;
+ subStep.dtRatio = 0.0;
+ subStep.velocityIterations = step.velocityIterations;
+ subStep.positionIterations = step.positionIterations;
+ island.SolveTOI(subStep);
+ var i = 0;
+ for (i = 0;
+ i < island.m_bodyCount; ++i) {
+ b = island.m_bodies[i];
+ b.m_flags &= ~b2Body.e_islandFlag;
+ if (b.IsAwake() == false) {
+ continue;
+ }
+ if (b.GetType() != b2Body.b2_dynamicBody) {
+ continue;
+ }
+ b.SynchronizeFixtures();
+ for (cEdge = b.m_contactList;
+ cEdge; cEdge = cEdge.next) {
+ cEdge.contact.m_flags &= ~b2Contact.e_toiFlag;
+ }
+ }
+ for (i = 0;
+ i < island.m_contactCount; ++i) {
+ c = island.m_contacts[i];
+ c.m_flags &= ~ (b2Contact.e_toiFlag | b2Contact.e_islandFlag);
+ }
+ for (i = 0;
+ i < island.m_jointCount; ++i) {
+ j = island.m_joints[i];
+ j.m_islandFlag = false;
+ }
+ this.m_contactManager.FindNewContacts();
+ }
+ }
+ b2World.prototype.DrawJoint = function (joint) {
+ var b1 = joint.GetBodyA();
+ var b2 = joint.GetBodyB();
+ var xf1 = b1.m_xf;
+ var xf2 = b2.m_xf;
+ var x1 = xf1.position;
+ var x2 = xf2.position;
+ var p1 = joint.GetAnchorA();
+ var p2 = joint.GetAnchorB();
+ var color = b2World.s_jointColor;
+ switch (joint.m_type) {
+ case b2Joint.e_distanceJoint:
+ this.m_debugDraw.DrawSegment(p1, p2, color);
+ break;
+ case b2Joint.e_pulleyJoint:
+ {
+ var pulley = ((joint instanceof b2PulleyJoint ? joint : null));
+ var s1 = pulley.GetGroundAnchorA();
+ var s2 = pulley.GetGroundAnchorB();
+ this.m_debugDraw.DrawSegment(s1, p1, color);
+ this.m_debugDraw.DrawSegment(s2, p2, color);
+ this.m_debugDraw.DrawSegment(s1, s2, color);
+ }
+ break;
+ case b2Joint.e_mouseJoint:
+ this.m_debugDraw.DrawSegment(p1, p2, color);
+ break;
+ default:
+ if (b1 != this.m_groundBody) this.m_debugDraw.DrawSegment(x1, p1, color);
+ this.m_debugDraw.DrawSegment(p1, p2, color);
+ if (b2 != this.m_groundBody) this.m_debugDraw.DrawSegment(x2, p2, color);
+ }
+ }
+ b2World.prototype.DrawShape = function (shape, xf, color) {
+ switch (shape.m_type) {
+ case b2Shape.e_circleShape:
+ {
+ var circle = ((shape instanceof b2CircleShape ? shape : null));
+ var center = b2Math.MulX(xf, circle.m_p);
+ var radius = circle.m_radius;
+ var axis = xf.R.col1;
+ this.m_debugDraw.DrawSolidCircle(center, radius, axis, color);
+ }
+ break;
+ case b2Shape.e_polygonShape:
+ {
+ var i = 0;
+ var poly = ((shape instanceof b2PolygonShape ? shape : null));
+ var vertexCount = parseInt(poly.GetVertexCount());
+ var localVertices = poly.GetVertices();
+ var vertices = new Vector(vertexCount);
+ for (i = 0;
+ i < vertexCount; ++i) {
+ vertices[i] = b2Math.MulX(xf, localVertices[i]);
+ }
+ this.m_debugDraw.DrawSolidPolygon(vertices, vertexCount, color);
+ }
+ break;
+ case b2Shape.e_edgeShape:
+ {
+ var edge = (shape instanceof b2EdgeShape ? shape : null);
+ this.m_debugDraw.DrawSegment(b2Math.MulX(xf, edge.GetVertex1()), b2Math.MulX(xf, edge.GetVertex2()), color);
+ }
+ break;
+ }
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.b2World.s_timestep2 = new b2TimeStep();
+ Box2D.Dynamics.b2World.s_xf = new b2Transform();
+ Box2D.Dynamics.b2World.s_backupA = new b2Sweep();
+ Box2D.Dynamics.b2World.s_backupB = new b2Sweep();
+ Box2D.Dynamics.b2World.s_timestep = new b2TimeStep();
+ Box2D.Dynamics.b2World.s_queue = new Vector();
+ Box2D.Dynamics.b2World.s_jointColor = new b2Color(0.5, 0.8, 0.8);
+ Box2D.Dynamics.b2World.e_newFixture = 0x0001;
+ Box2D.Dynamics.b2World.e_locked = 0x0002;
+ });
+})();
+(function () {
+ var b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
+ b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
+ b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
+ b2MassData = Box2D.Collision.Shapes.b2MassData,
+ b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
+ b2Shape = Box2D.Collision.Shapes.b2Shape,
+ b2CircleContact = Box2D.Dynamics.Contacts.b2CircleContact,
+ b2Contact = Box2D.Dynamics.Contacts.b2Contact,
+ b2ContactConstraint = Box2D.Dynamics.Contacts.b2ContactConstraint,
+ b2ContactConstraintPoint = Box2D.Dynamics.Contacts.b2ContactConstraintPoint,
+ b2ContactEdge = Box2D.Dynamics.Contacts.b2ContactEdge,
+ b2ContactFactory = Box2D.Dynamics.Contacts.b2ContactFactory,
+ b2ContactRegister = Box2D.Dynamics.Contacts.b2ContactRegister,
+ b2ContactResult = Box2D.Dynamics.Contacts.b2ContactResult,
+ b2ContactSolver = Box2D.Dynamics.Contacts.b2ContactSolver,
+ b2EdgeAndCircleContact = Box2D.Dynamics.Contacts.b2EdgeAndCircleContact,
+ b2NullContact = Box2D.Dynamics.Contacts.b2NullContact,
+ b2PolyAndCircleContact = Box2D.Dynamics.Contacts.b2PolyAndCircleContact,
+ b2PolyAndEdgeContact = Box2D.Dynamics.Contacts.b2PolyAndEdgeContact,
+ b2PolygonContact = Box2D.Dynamics.Contacts.b2PolygonContact,
+ b2PositionSolverManifold = Box2D.Dynamics.Contacts.b2PositionSolverManifold,
+ b2Body = Box2D.Dynamics.b2Body,
+ b2BodyDef = Box2D.Dynamics.b2BodyDef,
+ b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
+ b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
+ b2ContactListener = Box2D.Dynamics.b2ContactListener,
+ b2ContactManager = Box2D.Dynamics.b2ContactManager,
+ b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
+ b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
+ b2FilterData = Box2D.Dynamics.b2FilterData,
+ b2Fixture = Box2D.Dynamics.b2Fixture,
+ b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
+ b2Island = Box2D.Dynamics.b2Island,
+ b2TimeStep = Box2D.Dynamics.b2TimeStep,
+ b2World = Box2D.Dynamics.b2World,
+ b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3,
+ b2AABB = Box2D.Collision.b2AABB,
+ b2Bound = Box2D.Collision.b2Bound,
+ b2BoundValues = Box2D.Collision.b2BoundValues,
+ b2Collision = Box2D.Collision.b2Collision,
+ b2ContactID = Box2D.Collision.b2ContactID,
+ b2ContactPoint = Box2D.Collision.b2ContactPoint,
+ b2Distance = Box2D.Collision.b2Distance,
+ b2DistanceInput = Box2D.Collision.b2DistanceInput,
+ b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
+ b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
+ b2DynamicTree = Box2D.Collision.b2DynamicTree,
+ b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
+ b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
+ b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
+ b2Manifold = Box2D.Collision.b2Manifold,
+ b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
+ b2Point = Box2D.Collision.b2Point,
+ b2RayCastInput = Box2D.Collision.b2RayCastInput,
+ b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
+ b2Segment = Box2D.Collision.b2Segment,
+ b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
+ b2Simplex = Box2D.Collision.b2Simplex,
+ b2SimplexCache = Box2D.Collision.b2SimplexCache,
+ b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
+ b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
+ b2TOIInput = Box2D.Collision.b2TOIInput,
+ b2WorldManifold = Box2D.Collision.b2WorldManifold,
+ ClipVertex = Box2D.Collision.ClipVertex,
+ Features = Box2D.Collision.Features,
+ IBroadPhase = Box2D.Collision.IBroadPhase;
+
+ Box2D.inherit(b2CircleContact, Box2D.Dynamics.Contacts.b2Contact);
+ b2CircleContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
+ b2CircleContact.b2CircleContact = function () {
+ Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
+ };
+ b2CircleContact.Create = function (allocator) {
+ return new b2CircleContact();
+ }
+ b2CircleContact.Destroy = function (contact, allocator) {}
+ b2CircleContact.prototype.Reset = function (fixtureA, fixtureB) {
+ this.__super.Reset.call(this, fixtureA, fixtureB);
+ }
+ b2CircleContact.prototype.Evaluate = function () {
+ var bA = this.m_fixtureA.GetBody();
+ var bB = this.m_fixtureB.GetBody();
+ b2Collision.CollideCircles(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2CircleShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2CircleShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
+ }
+ b2Contact.b2Contact = function () {
+ this.m_nodeA = new b2ContactEdge();
+ this.m_nodeB = new b2ContactEdge();
+ this.m_manifold = new b2Manifold();
+ this.m_oldManifold = new b2Manifold();
+ };
+ b2Contact.prototype.GetManifold = function () {
+ return this.m_manifold;
+ }
+ b2Contact.prototype.GetWorldManifold = function (worldManifold) {
+ var bodyA = this.m_fixtureA.GetBody();
+ var bodyB = this.m_fixtureB.GetBody();
+ var shapeA = this.m_fixtureA.GetShape();
+ var shapeB = this.m_fixtureB.GetShape();
+ worldManifold.Initialize(this.m_manifold, bodyA.GetTransform(), shapeA.m_radius, bodyB.GetTransform(), shapeB.m_radius);
+ }
+ b2Contact.prototype.IsTouching = function () {
+ return (this.m_flags & b2Contact.e_touchingFlag) == b2Contact.e_touchingFlag;
+ }
+ b2Contact.prototype.IsContinuous = function () {
+ return (this.m_flags & b2Contact.e_continuousFlag) == b2Contact.e_continuousFlag;
+ }
+ b2Contact.prototype.SetSensor = function (sensor) {
+ if (sensor) {
+ this.m_flags |= b2Contact.e_sensorFlag;
+ }
+ else {
+ this.m_flags &= ~b2Contact.e_sensorFlag;
+ }
+ }
+ b2Contact.prototype.IsSensor = function () {
+ return (this.m_flags & b2Contact.e_sensorFlag) == b2Contact.e_sensorFlag;
+ }
+ b2Contact.prototype.SetEnabled = function (flag) {
+ if (flag) {
+ this.m_flags |= b2Contact.e_enabledFlag;
+ }
+ else {
+ this.m_flags &= ~b2Contact.e_enabledFlag;
+ }
+ }
+ b2Contact.prototype.IsEnabled = function () {
+ return (this.m_flags & b2Contact.e_enabledFlag) == b2Contact.e_enabledFlag;
+ }
+ b2Contact.prototype.GetNext = function () {
+ return this.m_next;
+ }
+ b2Contact.prototype.GetFixtureA = function () {
+ return this.m_fixtureA;
+ }
+ b2Contact.prototype.GetFixtureB = function () {
+ return this.m_fixtureB;
+ }
+ b2Contact.prototype.FlagForFiltering = function () {
+ this.m_flags |= b2Contact.e_filterFlag;
+ }
+ b2Contact.prototype.b2Contact = function () {}
+ b2Contact.prototype.Reset = function (fixtureA, fixtureB) {
+ if (fixtureA === undefined) fixtureA = null;
+ if (fixtureB === undefined) fixtureB = null;
+ this.m_flags = b2Contact.e_enabledFlag;
+ if (!fixtureA || !fixtureB) {
+ this.m_fixtureA = null;
+ this.m_fixtureB = null;
+ return;
+ }
+ if (fixtureA.IsSensor() || fixtureB.IsSensor()) {
+ this.m_flags |= b2Contact.e_sensorFlag;
+ }
+ var bodyA = fixtureA.GetBody();
+ var bodyB = fixtureB.GetBody();
+ if (bodyA.GetType() != b2Body.b2_dynamicBody || bodyA.IsBullet() || bodyB.GetType() != b2Body.b2_dynamicBody || bodyB.IsBullet()) {
+ this.m_flags |= b2Contact.e_continuousFlag;
+ }
+ this.m_fixtureA = fixtureA;
+ this.m_fixtureB = fixtureB;
+ this.m_manifold.m_pointCount = 0;
+ this.m_prev = null;
+ this.m_next = null;
+ this.m_nodeA.contact = null;
+ this.m_nodeA.prev = null;
+ this.m_nodeA.next = null;
+ this.m_nodeA.other = null;
+ this.m_nodeB.contact = null;
+ this.m_nodeB.prev = null;
+ this.m_nodeB.next = null;
+ this.m_nodeB.other = null;
+ }
+ b2Contact.prototype.Update = function (listener) {
+ var tManifold = this.m_oldManifold;
+ this.m_oldManifold = this.m_manifold;
+ this.m_manifold = tManifold;
+ this.m_flags |= b2Contact.e_enabledFlag;
+ var touching = false;
+ var wasTouching = (this.m_flags & b2Contact.e_touchingFlag) == b2Contact.e_touchingFlag;
+ var bodyA = this.m_fixtureA.m_body;
+ var bodyB = this.m_fixtureB.m_body;
+ var aabbOverlap = this.m_fixtureA.m_aabb.TestOverlap(this.m_fixtureB.m_aabb);
+ if (this.m_flags & b2Contact.e_sensorFlag) {
+ if (aabbOverlap) {
+ var shapeA = this.m_fixtureA.GetShape();
+ var shapeB = this.m_fixtureB.GetShape();
+ var xfA = bodyA.GetTransform();
+ var xfB = bodyB.GetTransform();
+ touching = b2Shape.TestOverlap(shapeA, xfA, shapeB, xfB);
+ }
+ this.m_manifold.m_pointCount = 0;
+ }
+ else {
+ if (bodyA.GetType() != b2Body.b2_dynamicBody || bodyA.IsBullet() || bodyB.GetType() != b2Body.b2_dynamicBody || bodyB.IsBullet()) {
+ this.m_flags |= b2Contact.e_continuousFlag;
+ }
+ else {
+ this.m_flags &= ~b2Contact.e_continuousFlag;
+ }
+ if (aabbOverlap) {
+ this.Evaluate();
+ touching = this.m_manifold.m_pointCount > 0;
+ for (var i = 0; i < this.m_manifold.m_pointCount; ++i) {
+ var mp2 = this.m_manifold.m_points[i];
+ mp2.m_normalImpulse = 0.0;
+ mp2.m_tangentImpulse = 0.0;
+ var id2 = mp2.m_id;
+ for (var j = 0; j < this.m_oldManifold.m_pointCount; ++j) {
+ var mp1 = this.m_oldManifold.m_points[j];
+ if (mp1.m_id.key == id2.key) {
+ mp2.m_normalImpulse = mp1.m_normalImpulse;
+ mp2.m_tangentImpulse = mp1.m_tangentImpulse;
+ break;
+ }
+ }
+ }
+ }
+ else {
+ this.m_manifold.m_pointCount = 0;
+ }
+ if (touching != wasTouching) {
+ bodyA.SetAwake(true);
+ bodyB.SetAwake(true);
+ }
+ }
+ if (touching) {
+ this.m_flags |= b2Contact.e_touchingFlag;
+ }
+ else {
+ this.m_flags &= ~b2Contact.e_touchingFlag;
+ }
+ if (wasTouching == false && touching == true) {
+ listener.BeginContact(this);
+ }
+ if (wasTouching == true && touching == false) {
+ listener.EndContact(this);
+ }
+ if ((this.m_flags & b2Contact.e_sensorFlag) == 0) {
+ listener.PreSolve(this, this.m_oldManifold);
+ }
+ }
+ b2Contact.prototype.Evaluate = function () {}
+ b2Contact.prototype.ComputeTOI = function (sweepA, sweepB) {
+ b2Contact.s_input.proxyA.Set(this.m_fixtureA.GetShape());
+ b2Contact.s_input.proxyB.Set(this.m_fixtureB.GetShape());
+ b2Contact.s_input.sweepA = sweepA;
+ b2Contact.s_input.sweepB = sweepB;
+ b2Contact.s_input.tolerance = b2Settings.b2_linearSlop;
+ return b2TimeOfImpact.TimeOfImpact(b2Contact.s_input);
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.Contacts.b2Contact.e_sensorFlag = 0x0001;
+ Box2D.Dynamics.Contacts.b2Contact.e_continuousFlag = 0x0002;
+ Box2D.Dynamics.Contacts.b2Contact.e_islandFlag = 0x0004;
+ Box2D.Dynamics.Contacts.b2Contact.e_toiFlag = 0x0008;
+ Box2D.Dynamics.Contacts.b2Contact.e_touchingFlag = 0x0010;
+ Box2D.Dynamics.Contacts.b2Contact.e_enabledFlag = 0x0020;
+ Box2D.Dynamics.Contacts.b2Contact.e_filterFlag = 0x0040;
+ Box2D.Dynamics.Contacts.b2Contact.s_input = new b2TOIInput();
+ });
+ b2ContactConstraint.b2ContactConstraint = function () {
+ this.localPlaneNormal = new b2Vec2();
+ this.localPoint = new b2Vec2();
+ this.normal = new b2Vec2();
+ this.normalMass = new b2Mat22();
+ this.K = new b2Mat22();
+ };
+ b2ContactConstraint.prototype.b2ContactConstraint = function () {
+ this.points = new Vector(b2Settings.b2_maxManifoldPoints);
+ for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
+ this.points[i] = new b2ContactConstraintPoint();
+ }
+ }
+ b2ContactConstraintPoint.b2ContactConstraintPoint = function () {
+ this.localPoint = new b2Vec2();
+ this.rA = new b2Vec2();
+ this.rB = new b2Vec2();
+ };
+ b2ContactEdge.b2ContactEdge = function () {};
+ b2ContactFactory.b2ContactFactory = function () {};
+ b2ContactFactory.prototype.b2ContactFactory = function (allocator) {
+ this.m_allocator = allocator;
+ this.InitializeRegisters();
+ }
+ b2ContactFactory.prototype.AddType = function (createFcn, destroyFcn, type1, type2) {
+ if (type1 === undefined) type1 = 0;
+ if (type2 === undefined) type2 = 0;
+ this.m_registers[type1][type2].createFcn = createFcn;
+ this.m_registers[type1][type2].destroyFcn = destroyFcn;
+ this.m_registers[type1][type2].primary = true;
+ if (type1 != type2) {
+ this.m_registers[type2][type1].createFcn = createFcn;
+ this.m_registers[type2][type1].destroyFcn = destroyFcn;
+ this.m_registers[type2][type1].primary = false;
+ }
+ }
+ b2ContactFactory.prototype.InitializeRegisters = function () {
+ this.m_registers = new Vector(b2Shape.e_shapeTypeCount);
+ for (var i = 0; i < b2Shape.e_shapeTypeCount; i++) {
+ this.m_registers[i] = new Vector(b2Shape.e_shapeTypeCount);
+ for (var j = 0; j < b2Shape.e_shapeTypeCount; j++) {
+ this.m_registers[i][j] = new b2ContactRegister();
+ }
+ }
+ this.AddType(b2CircleContact.Create, b2CircleContact.Destroy, b2Shape.e_circleShape, b2Shape.e_circleShape);
+ this.AddType(b2PolyAndCircleContact.Create, b2PolyAndCircleContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_circleShape);
+ this.AddType(b2PolygonContact.Create, b2PolygonContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_polygonShape);
+ this.AddType(b2EdgeAndCircleContact.Create, b2EdgeAndCircleContact.Destroy, b2Shape.e_edgeShape, b2Shape.e_circleShape);
+ this.AddType(b2PolyAndEdgeContact.Create, b2PolyAndEdgeContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_edgeShape);
+ }
+ b2ContactFactory.prototype.Create = function (fixtureA, fixtureB) {
+ var type1 = parseInt(fixtureA.GetType());
+ var type2 = parseInt(fixtureB.GetType());
+ var reg = this.m_registers[type1][type2];
+ var c;
+ if (reg.pool) {
+ c = reg.pool;
+ reg.pool = c.m_next;
+ reg.poolCount--;
+ c.Reset(fixtureA, fixtureB);
+ return c;
+ }
+ var createFcn = reg.createFcn;
+ if (createFcn != null) {
+ if (reg.primary) {
+ c = createFcn(this.m_allocator);
+ c.Reset(fixtureA, fixtureB);
+ return c;
+ }
+ else {
+ c = createFcn(this.m_allocator);
+ c.Reset(fixtureB, fixtureA);
+ return c;
+ }
+ }
+ else {
+ return null;
+ }
+ }
+ b2ContactFactory.prototype.Destroy = function (contact) {
+ if (contact.m_manifold.m_pointCount > 0) {
+ contact.m_fixtureA.m_body.SetAwake(true);
+ contact.m_fixtureB.m_body.SetAwake(true);
+ }
+ var type1 = parseInt(contact.m_fixtureA.GetType());
+ var type2 = parseInt(contact.m_fixtureB.GetType());
+ var reg = this.m_registers[type1][type2];
+ if (true) {
+ reg.poolCount++;
+ contact.m_next = reg.pool;
+ reg.pool = contact;
+ }
+ var destroyFcn = reg.destroyFcn;
+ destroyFcn(contact, this.m_allocator);
+ }
+ b2ContactRegister.b2ContactRegister = function () {};
+ b2ContactResult.b2ContactResult = function () {
+ this.position = new b2Vec2();
+ this.normal = new b2Vec2();
+ this.id = new b2ContactID();
+ };
+ b2ContactSolver.b2ContactSolver = function () {
+ this.m_step = new b2TimeStep();
+ this.m_constraints = new Vector();
+ };
+ b2ContactSolver.prototype.b2ContactSolver = function () {}
+ b2ContactSolver.prototype.Initialize = function (step, contacts, contactCount, allocator) {
+ if (contactCount === undefined) contactCount = 0;
+ var contact;
+ this.m_step.Set(step);
+ this.m_allocator = allocator;
+ var i = 0;
+ var tVec;
+ var tMat;
+ this.m_constraintCount = contactCount;
+ while (this.m_constraints.length < this.m_constraintCount) {
+ this.m_constraints[this.m_constraints.length] = new b2ContactConstraint();
+ }
+ for (i = 0;
+ i < contactCount; ++i) {
+ contact = contacts[i];
+ var fixtureA = contact.m_fixtureA;
+ var fixtureB = contact.m_fixtureB;
+ var shapeA = fixtureA.m_shape;
+ var shapeB = fixtureB.m_shape;
+ var radiusA = shapeA.m_radius;
+ var radiusB = shapeB.m_radius;
+ var bodyA = fixtureA.m_body;
+ var bodyB = fixtureB.m_body;
+ var manifold = contact.GetManifold();
+ var friction = b2Settings.b2MixFriction(fixtureA.GetFriction(), fixtureB.GetFriction());
+ var restitution = b2Settings.b2MixRestitution(fixtureA.GetRestitution(), fixtureB.GetRestitution());
+ var vAX = bodyA.m_linearVelocity.x;
+ var vAY = bodyA.m_linearVelocity.y;
+ var vBX = bodyB.m_linearVelocity.x;
+ var vBY = bodyB.m_linearVelocity.y;
+ var wA = bodyA.m_angularVelocity;
+ var wB = bodyB.m_angularVelocity;
+ b2Settings.b2Assert(manifold.m_pointCount > 0);
+ b2ContactSolver.s_worldManifold.Initialize(manifold, bodyA.m_xf, radiusA, bodyB.m_xf, radiusB);
+ var normalX = b2ContactSolver.s_worldManifold.m_normal.x;
+ var normalY = b2ContactSolver.s_worldManifold.m_normal.y;
+ var cc = this.m_constraints[i];
+ cc.bodyA = bodyA;
+ cc.bodyB = bodyB;
+ cc.manifold = manifold;
+ cc.normal.x = normalX;
+ cc.normal.y = normalY;
+ cc.pointCount = manifold.m_pointCount;
+ cc.friction = friction;
+ cc.restitution = restitution;
+ cc.localPlaneNormal.x = manifold.m_localPlaneNormal.x;
+ cc.localPlaneNormal.y = manifold.m_localPlaneNormal.y;
+ cc.localPoint.x = manifold.m_localPoint.x;
+ cc.localPoint.y = manifold.m_localPoint.y;
+ cc.radius = radiusA + radiusB;
+ cc.type = manifold.m_type;
+ for (var k = 0; k < cc.pointCount; ++k) {
+ var cp = manifold.m_points[k];
+ var ccp = cc.points[k];
+ ccp.normalImpulse = cp.m_normalImpulse;
+ ccp.tangentImpulse = cp.m_tangentImpulse;
+ ccp.localPoint.SetV(cp.m_localPoint);
+ var rAX = ccp.rA.x = b2ContactSolver.s_worldManifold.m_points[k].x - bodyA.m_sweep.c.x;
+ var rAY = ccp.rA.y = b2ContactSolver.s_worldManifold.m_points[k].y - bodyA.m_sweep.c.y;
+ var rBX = ccp.rB.x = b2ContactSolver.s_worldManifold.m_points[k].x - bodyB.m_sweep.c.x;
+ var rBY = ccp.rB.y = b2ContactSolver.s_worldManifold.m_points[k].y - bodyB.m_sweep.c.y;
+ var rnA = rAX * normalY - rAY * normalX;
+ var rnB = rBX * normalY - rBY * normalX;
+ rnA *= rnA;
+ rnB *= rnB;
+ var kNormal = bodyA.m_invMass + bodyB.m_invMass + bodyA.m_invI * rnA + bodyB.m_invI * rnB;
+ ccp.normalMass = 1.0 / kNormal;
+ var kEqualized = bodyA.m_mass * bodyA.m_invMass + bodyB.m_mass * bodyB.m_invMass;
+ kEqualized += bodyA.m_mass * bodyA.m_invI * rnA + bodyB.m_mass * bodyB.m_invI * rnB;
+ ccp.equalizedMass = 1.0 / kEqualized;
+ var tangentX = normalY;
+ var tangentY = (-normalX);
+ var rtA = rAX * tangentY - rAY * tangentX;
+ var rtB = rBX * tangentY - rBY * tangentX;
+ rtA *= rtA;
+ rtB *= rtB;
+ var kTangent = bodyA.m_invMass + bodyB.m_invMass + bodyA.m_invI * rtA + bodyB.m_invI * rtB;
+ ccp.tangentMass = 1.0 / kTangent;
+ ccp.velocityBias = 0.0;
+ var tX = vBX + ((-wB * rBY)) - vAX - ((-wA * rAY));
+ var tY = vBY + (wB * rBX) - vAY - (wA * rAX);
+ var vRel = cc.normal.x * tX + cc.normal.y * tY;
+ if (vRel < (-b2Settings.b2_velocityThreshold)) {
+ ccp.velocityBias += (-cc.restitution * vRel);
+ }
+ }
+ if (cc.pointCount == 2) {
+ var ccp1 = cc.points[0];
+ var ccp2 = cc.points[1];
+ var invMassA = bodyA.m_invMass;
+ var invIA = bodyA.m_invI;
+ var invMassB = bodyB.m_invMass;
+ var invIB = bodyB.m_invI;
+ var rn1A = ccp1.rA.x * normalY - ccp1.rA.y * normalX;
+ var rn1B = ccp1.rB.x * normalY - ccp1.rB.y * normalX;
+ var rn2A = ccp2.rA.x * normalY - ccp2.rA.y * normalX;
+ var rn2B = ccp2.rB.x * normalY - ccp2.rB.y * normalX;
+ var k11 = invMassA + invMassB + invIA * rn1A * rn1A + invIB * rn1B * rn1B;
+ var k22 = invMassA + invMassB + invIA * rn2A * rn2A + invIB * rn2B * rn2B;
+ var k12 = invMassA + invMassB + invIA * rn1A * rn2A + invIB * rn1B * rn2B;
+ var k_maxConditionNumber = 100.0;
+ if (k11 * k11 < k_maxConditionNumber * (k11 * k22 - k12 * k12)) {
+ cc.K.col1.Set(k11, k12);
+ cc.K.col2.Set(k12, k22);
+ cc.K.GetInverse(cc.normalMass);
+ }
+ else {
+ cc.pointCount = 1;
+ }
+ }
+ }
+ }
+ b2ContactSolver.prototype.InitVelocityConstraints = function (step) {
+ var tVec;
+ var tVec2;
+ var tMat;
+ for (var i = 0; i < this.m_constraintCount; ++i) {
+ var c = this.m_constraints[i];
+ var bodyA = c.bodyA;
+ var bodyB = c.bodyB;
+ var invMassA = bodyA.m_invMass;
+ var invIA = bodyA.m_invI;
+ var invMassB = bodyB.m_invMass;
+ var invIB = bodyB.m_invI;
+ var normalX = c.normal.x;
+ var normalY = c.normal.y;
+ var tangentX = normalY;
+ var tangentY = (-normalX);
+ var tX = 0;
+ var j = 0;
+ var tCount = 0;
+ if (step.warmStarting) {
+ tCount = c.pointCount;
+ for (j = 0;
+ j < tCount; ++j) {
+ var ccp = c.points[j];
+ ccp.normalImpulse *= step.dtRatio;
+ ccp.tangentImpulse *= step.dtRatio;
+ var PX = ccp.normalImpulse * normalX + ccp.tangentImpulse * tangentX;
+ var PY = ccp.normalImpulse * normalY + ccp.tangentImpulse * tangentY;
+ bodyA.m_angularVelocity -= invIA * (ccp.rA.x * PY - ccp.rA.y * PX);
+ bodyA.m_linearVelocity.x -= invMassA * PX;
+ bodyA.m_linearVelocity.y -= invMassA * PY;
+ bodyB.m_angularVelocity += invIB * (ccp.rB.x * PY - ccp.rB.y * PX);
+ bodyB.m_linearVelocity.x += invMassB * PX;
+ bodyB.m_linearVelocity.y += invMassB * PY;
+ }
+ }
+ else {
+ tCount = c.pointCount;
+ for (j = 0;
+ j < tCount; ++j) {
+ var ccp2 = c.points[j];
+ ccp2.normalImpulse = 0.0;
+ ccp2.tangentImpulse = 0.0;
+ }
+ }
+ }
+ }
+ b2ContactSolver.prototype.SolveVelocityConstraints = function () {
+ var j = 0;
+ var ccp;
+ var rAX = 0;
+ var rAY = 0;
+ var rBX = 0;
+ var rBY = 0;
+ var dvX = 0;
+ var dvY = 0;
+ var vn = 0;
+ var vt = 0;
+ var lambda = 0;
+ var maxFriction = 0;
+ var newImpulse = 0;
+ var PX = 0;
+ var PY = 0;
+ var dX = 0;
+ var dY = 0;
+ var P1X = 0;
+ var P1Y = 0;
+ var P2X = 0;
+ var P2Y = 0;
+ var tMat;
+ var tVec;
+ for (var i = 0; i < this.m_constraintCount; ++i) {
+ var c = this.m_constraints[i];
+ var bodyA = c.bodyA;
+ var bodyB = c.bodyB;
+ var wA = bodyA.m_angularVelocity;
+ var wB = bodyB.m_angularVelocity;
+ var vA = bodyA.m_linearVelocity;
+ var vB = bodyB.m_linearVelocity;
+ var invMassA = bodyA.m_invMass;
+ var invIA = bodyA.m_invI;
+ var invMassB = bodyB.m_invMass;
+ var invIB = bodyB.m_invI;
+ var normalX = c.normal.x;
+ var normalY = c.normal.y;
+ var tangentX = normalY;
+ var tangentY = (-normalX);
+ var friction = c.friction;
+ var tX = 0;
+ for (j = 0;
+ j < c.pointCount; j++) {
+ ccp = c.points[j];
+ dvX = vB.x - wB * ccp.rB.y - vA.x + wA * ccp.rA.y;
+ dvY = vB.y + wB * ccp.rB.x - vA.y - wA * ccp.rA.x;
+ vt = dvX * tangentX + dvY * tangentY;
+ lambda = ccp.tangentMass * (-vt);
+ maxFriction = friction * ccp.normalImpulse;
+ newImpulse = b2Math.Clamp(ccp.tangentImpulse + lambda, (-maxFriction), maxFriction);
+ lambda = newImpulse - ccp.tangentImpulse;
+ PX = lambda * tangentX;
+ PY = lambda * tangentY;
+ vA.x -= invMassA * PX;
+ vA.y -= invMassA * PY;
+ wA -= invIA * (ccp.rA.x * PY - ccp.rA.y * PX);
+ vB.x += invMassB * PX;
+ vB.y += invMassB * PY;
+ wB += invIB * (ccp.rB.x * PY - ccp.rB.y * PX);
+ ccp.tangentImpulse = newImpulse;
+ }
+ var tCount = parseInt(c.pointCount);
+ if (c.pointCount == 1) {
+ ccp = c.points[0];
+ dvX = vB.x + ((-wB * ccp.rB.y)) - vA.x - ((-wA * ccp.rA.y));
+ dvY = vB.y + (wB * ccp.rB.x) - vA.y - (wA * ccp.rA.x);
+ vn = dvX * normalX + dvY * normalY;
+ lambda = (-ccp.normalMass * (vn - ccp.velocityBias));
+ newImpulse = ccp.normalImpulse + lambda;
+ newImpulse = newImpulse > 0 ? newImpulse : 0.0;
+ lambda = newImpulse - ccp.normalImpulse;
+ PX = lambda * normalX;
+ PY = lambda * normalY;
+ vA.x -= invMassA * PX;
+ vA.y -= invMassA * PY;
+ wA -= invIA * (ccp.rA.x * PY - ccp.rA.y * PX);
+ vB.x += invMassB * PX;
+ vB.y += invMassB * PY;
+ wB += invIB * (ccp.rB.x * PY - ccp.rB.y * PX);
+ ccp.normalImpulse = newImpulse;
+ }
+ else {
+ var cp1 = c.points[0];
+ var cp2 = c.points[1];
+ var aX = cp1.normalImpulse;
+ var aY = cp2.normalImpulse;
+ var dv1X = vB.x - wB * cp1.rB.y - vA.x + wA * cp1.rA.y;
+ var dv1Y = vB.y + wB * cp1.rB.x - vA.y - wA * cp1.rA.x;
+ var dv2X = vB.x - wB * cp2.rB.y - vA.x + wA * cp2.rA.y;
+ var dv2Y = vB.y + wB * cp2.rB.x - vA.y - wA * cp2.rA.x;
+ var vn1 = dv1X * normalX + dv1Y * normalY;
+ var vn2 = dv2X * normalX + dv2Y * normalY;
+ var bX = vn1 - cp1.velocityBias;
+ var bY = vn2 - cp2.velocityBias;
+ tMat = c.K;
+ bX -= tMat.col1.x * aX + tMat.col2.x * aY;
+ bY -= tMat.col1.y * aX + tMat.col2.y * aY;
+ var k_errorTol = 0.001;
+ for (;;) {
+ tMat = c.normalMass;
+ var xX = (-(tMat.col1.x * bX + tMat.col2.x * bY));
+ var xY = (-(tMat.col1.y * bX + tMat.col2.y * bY));
+ if (xX >= 0.0 && xY >= 0.0) {
+ dX = xX - aX;
+ dY = xY - aY;
+ P1X = dX * normalX;
+ P1Y = dX * normalY;
+ P2X = dY * normalX;
+ P2Y = dY * normalY;
+ vA.x -= invMassA * (P1X + P2X);
+ vA.y -= invMassA * (P1Y + P2Y);
+ wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
+ vB.x += invMassB * (P1X + P2X);
+ vB.y += invMassB * (P1Y + P2Y);
+ wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
+ cp1.normalImpulse = xX;
+ cp2.normalImpulse = xY;
+ break;
+ }
+ xX = (-cp1.normalMass * bX);
+ xY = 0.0;
+ vn1 = 0.0;
+ vn2 = c.K.col1.y * xX + bY;
+ if (xX >= 0.0 && vn2 >= 0.0) {
+ dX = xX - aX;
+ dY = xY - aY;
+ P1X = dX * normalX;
+ P1Y = dX * normalY;
+ P2X = dY * normalX;
+ P2Y = dY * normalY;
+ vA.x -= invMassA * (P1X + P2X);
+ vA.y -= invMassA * (P1Y + P2Y);
+ wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
+ vB.x += invMassB * (P1X + P2X);
+ vB.y += invMassB * (P1Y + P2Y);
+ wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
+ cp1.normalImpulse = xX;
+ cp2.normalImpulse = xY;
+ break;
+ }
+ xX = 0.0;
+ xY = (-cp2.normalMass * bY);
+ vn1 = c.K.col2.x * xY + bX;
+ vn2 = 0.0;
+ if (xY >= 0.0 && vn1 >= 0.0) {
+ dX = xX - aX;
+ dY = xY - aY;
+ P1X = dX * normalX;
+ P1Y = dX * normalY;
+ P2X = dY * normalX;
+ P2Y = dY * normalY;
+ vA.x -= invMassA * (P1X + P2X);
+ vA.y -= invMassA * (P1Y + P2Y);
+ wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
+ vB.x += invMassB * (P1X + P2X);
+ vB.y += invMassB * (P1Y + P2Y);
+ wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
+ cp1.normalImpulse = xX;
+ cp2.normalImpulse = xY;
+ break;
+ }
+ xX = 0.0;
+ xY = 0.0;
+ vn1 = bX;
+ vn2 = bY;
+ if (vn1 >= 0.0 && vn2 >= 0.0) {
+ dX = xX - aX;
+ dY = xY - aY;
+ P1X = dX * normalX;
+ P1Y = dX * normalY;
+ P2X = dY * normalX;
+ P2Y = dY * normalY;
+ vA.x -= invMassA * (P1X + P2X);
+ vA.y -= invMassA * (P1Y + P2Y);
+ wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
+ vB.x += invMassB * (P1X + P2X);
+ vB.y += invMassB * (P1Y + P2Y);
+ wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
+ cp1.normalImpulse = xX;
+ cp2.normalImpulse = xY;
+ break;
+ }
+ break;
+ }
+ }
+ bodyA.m_angularVelocity = wA;
+ bodyB.m_angularVelocity = wB;
+ }
+ }
+ b2ContactSolver.prototype.FinalizeVelocityConstraints = function () {
+ for (var i = 0; i < this.m_constraintCount; ++i) {
+ var c = this.m_constraints[i];
+ var m = c.manifold;
+ for (var j = 0; j < c.pointCount; ++j) {
+ var point1 = m.m_points[j];
+ var point2 = c.points[j];
+ point1.m_normalImpulse = point2.normalImpulse;
+ point1.m_tangentImpulse = point2.tangentImpulse;
+ }
+ }
+ }
+ b2ContactSolver.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var minSeparation = 0.0;
+ for (var i = 0; i < this.m_constraintCount; i++) {
+ var c = this.m_constraints[i];
+ var bodyA = c.bodyA;
+ var bodyB = c.bodyB;
+ var invMassA = bodyA.m_mass * bodyA.m_invMass;
+ var invIA = bodyA.m_mass * bodyA.m_invI;
+ var invMassB = bodyB.m_mass * bodyB.m_invMass;
+ var invIB = bodyB.m_mass * bodyB.m_invI;
+ b2ContactSolver.s_psm.Initialize(c);
+ var normal = b2ContactSolver.s_psm.m_normal;
+ for (var j = 0; j < c.pointCount; j++) {
+ var ccp = c.points[j];
+ var point = b2ContactSolver.s_psm.m_points[j];
+ var separation = b2ContactSolver.s_psm.m_separations[j];
+ var rAX = point.x - bodyA.m_sweep.c.x;
+ var rAY = point.y - bodyA.m_sweep.c.y;
+ var rBX = point.x - bodyB.m_sweep.c.x;
+ var rBY = point.y - bodyB.m_sweep.c.y;
+ minSeparation = minSeparation < separation ? minSeparation : separation;
+ var C = b2Math.Clamp(baumgarte * (separation + b2Settings.b2_linearSlop), (-b2Settings.b2_maxLinearCorrection), 0.0);
+ var impulse = (-ccp.equalizedMass * C);
+ var PX = impulse * normal.x;
+ var PY = impulse * normal.y;bodyA.m_sweep.c.x -= invMassA * PX;
+ bodyA.m_sweep.c.y -= invMassA * PY;
+ bodyA.m_sweep.a -= invIA * (rAX * PY - rAY * PX);
+ bodyA.SynchronizeTransform();
+ bodyB.m_sweep.c.x += invMassB * PX;
+ bodyB.m_sweep.c.y += invMassB * PY;
+ bodyB.m_sweep.a += invIB * (rBX * PY - rBY * PX);
+ bodyB.SynchronizeTransform();
+ }
+ }
+ return minSeparation > (-1.5 * b2Settings.b2_linearSlop);
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.Contacts.b2ContactSolver.s_worldManifold = new b2WorldManifold();
+ Box2D.Dynamics.Contacts.b2ContactSolver.s_psm = new b2PositionSolverManifold();
+ });
+ Box2D.inherit(b2EdgeAndCircleContact, Box2D.Dynamics.Contacts.b2Contact);
+ b2EdgeAndCircleContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
+ b2EdgeAndCircleContact.b2EdgeAndCircleContact = function () {
+ Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
+ };
+ b2EdgeAndCircleContact.Create = function (allocator) {
+ return new b2EdgeAndCircleContact();
+ }
+ b2EdgeAndCircleContact.Destroy = function (contact, allocator) {}
+ b2EdgeAndCircleContact.prototype.Reset = function (fixtureA, fixtureB) {
+ this.__super.Reset.call(this, fixtureA, fixtureB);
+ }
+ b2EdgeAndCircleContact.prototype.Evaluate = function () {
+ var bA = this.m_fixtureA.GetBody();
+ var bB = this.m_fixtureB.GetBody();
+ this.b2CollideEdgeAndCircle(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2EdgeShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2CircleShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
+ }
+ b2EdgeAndCircleContact.prototype.b2CollideEdgeAndCircle = function (manifold, edge, xf1, circle, xf2) {}
+ Box2D.inherit(b2NullContact, Box2D.Dynamics.Contacts.b2Contact);
+ b2NullContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
+ b2NullContact.b2NullContact = function () {
+ Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
+ };
+ b2NullContact.prototype.b2NullContact = function () {
+ this.__super.b2Contact.call(this);
+ }
+ b2NullContact.prototype.Evaluate = function () {}
+ Box2D.inherit(b2PolyAndCircleContact, Box2D.Dynamics.Contacts.b2Contact);
+ b2PolyAndCircleContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
+ b2PolyAndCircleContact.b2PolyAndCircleContact = function () {
+ Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
+ };
+ b2PolyAndCircleContact.Create = function (allocator) {
+ return new b2PolyAndCircleContact();
+ }
+ b2PolyAndCircleContact.Destroy = function (contact, allocator) {}
+ b2PolyAndCircleContact.prototype.Reset = function (fixtureA, fixtureB) {
+ this.__super.Reset.call(this, fixtureA, fixtureB);
+ b2Settings.b2Assert(fixtureA.GetType() == b2Shape.e_polygonShape);
+ b2Settings.b2Assert(fixtureB.GetType() == b2Shape.e_circleShape);
+ }
+ b2PolyAndCircleContact.prototype.Evaluate = function () {
+ var bA = this.m_fixtureA.m_body;
+ var bB = this.m_fixtureB.m_body;
+ b2Collision.CollidePolygonAndCircle(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2PolygonShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2CircleShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
+ }
+ Box2D.inherit(b2PolyAndEdgeContact, Box2D.Dynamics.Contacts.b2Contact);
+ b2PolyAndEdgeContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
+ b2PolyAndEdgeContact.b2PolyAndEdgeContact = function () {
+ Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
+ };
+ b2PolyAndEdgeContact.Create = function (allocator) {
+ return new b2PolyAndEdgeContact();
+ }
+ b2PolyAndEdgeContact.Destroy = function (contact, allocator) {}
+ b2PolyAndEdgeContact.prototype.Reset = function (fixtureA, fixtureB) {
+ this.__super.Reset.call(this, fixtureA, fixtureB);
+ b2Settings.b2Assert(fixtureA.GetType() == b2Shape.e_polygonShape);
+ b2Settings.b2Assert(fixtureB.GetType() == b2Shape.e_edgeShape);
+ }
+ b2PolyAndEdgeContact.prototype.Evaluate = function () {
+ var bA = this.m_fixtureA.GetBody();
+ var bB = this.m_fixtureB.GetBody();
+ this.b2CollidePolyAndEdge(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2PolygonShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2EdgeShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
+ }
+ b2PolyAndEdgeContact.prototype.b2CollidePolyAndEdge = function (manifold, polygon, xf1, edge, xf2) {}
+ Box2D.inherit(b2PolygonContact, Box2D.Dynamics.Contacts.b2Contact);
+ b2PolygonContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
+ b2PolygonContact.b2PolygonContact = function () {
+ Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
+ };
+ b2PolygonContact.Create = function (allocator) {
+ return new b2PolygonContact();
+ }
+ b2PolygonContact.Destroy = function (contact, allocator) {}
+ b2PolygonContact.prototype.Reset = function (fixtureA, fixtureB) {
+ this.__super.Reset.call(this, fixtureA, fixtureB);
+ }
+ b2PolygonContact.prototype.Evaluate = function () {
+ var bA = this.m_fixtureA.GetBody();
+ var bB = this.m_fixtureB.GetBody();
+ b2Collision.CollidePolygons(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2PolygonShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2PolygonShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
+ }
+ b2PositionSolverManifold.b2PositionSolverManifold = function () {};
+ b2PositionSolverManifold.prototype.b2PositionSolverManifold = function () {
+ this.m_normal = new b2Vec2();
+ this.m_separations = new Vector_a2j_Number(b2Settings.b2_maxManifoldPoints);
+ this.m_points = new Vector(b2Settings.b2_maxManifoldPoints);
+ for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
+ this.m_points[i] = new b2Vec2();
+ }
+ }
+ b2PositionSolverManifold.prototype.Initialize = function (cc) {
+ b2Settings.b2Assert(cc.pointCount > 0);
+ var i = 0;
+ var clipPointX = 0;
+ var clipPointY = 0;
+ var tMat;
+ var tVec;
+ var planePointX = 0;
+ var planePointY = 0;
+ switch (cc.type) {
+ case b2Manifold.e_circles:
+ {
+ tMat = cc.bodyA.m_xf.R;
+ tVec = cc.localPoint;
+ var pointAX = cc.bodyA.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var pointAY = cc.bodyA.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tMat = cc.bodyB.m_xf.R;
+ tVec = cc.points[0].localPoint;
+ var pointBX = cc.bodyB.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ var pointBY = cc.bodyB.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ var dX = pointBX - pointAX;
+ var dY = pointBY - pointAY;
+ var d2 = dX * dX + dY * dY;
+ if (d2 > Number.MIN_VALUE * Number.MIN_VALUE) {
+ var d = Math.sqrt(d2);
+ this.m_normal.x = dX / d;
+ this.m_normal.y = dY / d;
+ }
+ else {
+ this.m_normal.x = 1.0;
+ this.m_normal.y = 0.0;
+ }
+ this.m_points[0].x = 0.5 * (pointAX + pointBX);
+ this.m_points[0].y = 0.5 * (pointAY + pointBY);
+ this.m_separations[0] = dX * this.m_normal.x + dY * this.m_normal.y - cc.radius;
+ }
+ break;
+ case b2Manifold.e_faceA:
+ {
+ tMat = cc.bodyA.m_xf.R;
+ tVec = cc.localPlaneNormal;
+ this.m_normal.x = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ this.m_normal.y = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tMat = cc.bodyA.m_xf.R;
+ tVec = cc.localPoint;
+ planePointX = cc.bodyA.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ planePointY = cc.bodyA.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tMat = cc.bodyB.m_xf.R;
+ for (i = 0;
+ i < cc.pointCount; ++i) {
+ tVec = cc.points[i].localPoint;
+ clipPointX = cc.bodyB.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ clipPointY = cc.bodyB.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ this.m_separations[i] = (clipPointX - planePointX) * this.m_normal.x + (clipPointY - planePointY) * this.m_normal.y - cc.radius;
+ this.m_points[i].x = clipPointX;
+ this.m_points[i].y = clipPointY;
+ }
+ }
+ break;
+ case b2Manifold.e_faceB:
+ {
+ tMat = cc.bodyB.m_xf.R;
+ tVec = cc.localPlaneNormal;
+ this.m_normal.x = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ this.m_normal.y = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tMat = cc.bodyB.m_xf.R;
+ tVec = cc.localPoint;
+ planePointX = cc.bodyB.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ planePointY = cc.bodyB.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ tMat = cc.bodyA.m_xf.R;
+ for (i = 0;
+ i < cc.pointCount; ++i) {
+ tVec = cc.points[i].localPoint;
+ clipPointX = cc.bodyA.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
+ clipPointY = cc.bodyA.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
+ this.m_separations[i] = (clipPointX - planePointX) * this.m_normal.x + (clipPointY - planePointY) * this.m_normal.y - cc.radius;
+ this.m_points[i].Set(clipPointX, clipPointY);
+ }
+ this.m_normal.x *= (-1);
+ this.m_normal.y *= (-1);
+ }
+ break;
+ }
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointA = new b2Vec2();
+ Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointB = new b2Vec2();
+ });
+})();
+(function () {
+ var b2Body = Box2D.Dynamics.b2Body,
+ b2BodyDef = Box2D.Dynamics.b2BodyDef,
+ b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
+ b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
+ b2ContactListener = Box2D.Dynamics.b2ContactListener,
+ b2ContactManager = Box2D.Dynamics.b2ContactManager,
+ b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
+ b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
+ b2FilterData = Box2D.Dynamics.b2FilterData,
+ b2Fixture = Box2D.Dynamics.b2Fixture,
+ b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
+ b2Island = Box2D.Dynamics.b2Island,
+ b2TimeStep = Box2D.Dynamics.b2TimeStep,
+ b2World = Box2D.Dynamics.b2World,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3,
+ b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
+ b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
+ b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
+ b2MassData = Box2D.Collision.Shapes.b2MassData,
+ b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
+ b2Shape = Box2D.Collision.Shapes.b2Shape,
+ b2BuoyancyController = Box2D.Dynamics.Controllers.b2BuoyancyController,
+ b2ConstantAccelController = Box2D.Dynamics.Controllers.b2ConstantAccelController,
+ b2ConstantForceController = Box2D.Dynamics.Controllers.b2ConstantForceController,
+ b2Controller = Box2D.Dynamics.Controllers.b2Controller,
+ b2ControllerEdge = Box2D.Dynamics.Controllers.b2ControllerEdge,
+ b2GravityController = Box2D.Dynamics.Controllers.b2GravityController,
+ b2TensorDampingController = Box2D.Dynamics.Controllers.b2TensorDampingController;
+
+ Box2D.inherit(b2BuoyancyController, Box2D.Dynamics.Controllers.b2Controller);
+ b2BuoyancyController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
+ b2BuoyancyController.b2BuoyancyController = function () {
+ Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
+ this.normal = new b2Vec2(0, (-1));
+ this.offset = 0;
+ this.density = 0;
+ this.velocity = new b2Vec2(0, 0);
+ this.linearDrag = 2;
+ this.angularDrag = 1;
+ this.useDensity = false;
+ this.useWorldGravity = true;
+ this.gravity = null;
+ };
+ b2BuoyancyController.prototype.Step = function (step) {
+ if (!this.m_bodyList) return;
+ if (this.useWorldGravity) {
+ this.gravity = this.GetWorld().GetGravity().Copy();
+ }
+ for (var i = this.m_bodyList; i; i = i.nextBody) {
+ var body = i.body;
+ if (body.IsAwake() == false) {
+ continue;
+ }
+ var areac = new b2Vec2();
+ var massc = new b2Vec2();
+ var area = 0.0;
+ var mass = 0.0;
+ for (var fixture = body.GetFixtureList(); fixture; fixture = fixture.GetNext()) {
+ var sc = new b2Vec2();
+ var sarea = fixture.GetShape().ComputeSubmergedArea(this.normal, this.offset, body.GetTransform(), sc);
+ area += sarea;
+ areac.x += sarea * sc.x;
+ areac.y += sarea * sc.y;
+ var shapeDensity = 0;
+ if (this.useDensity) {
+ shapeDensity = 1;
+ }
+ else {
+ shapeDensity = 1;
+ }
+ mass += sarea * shapeDensity;
+ massc.x += sarea * sc.x * shapeDensity;
+ massc.y += sarea * sc.y * shapeDensity;
+ }
+ areac.x /= area;
+ areac.y /= area;
+ massc.x /= mass;
+ massc.y /= mass;
+ if (area < Number.MIN_VALUE) continue;
+ var buoyancyForce = this.gravity.GetNegative();
+ buoyancyForce.Multiply(this.density * area);
+ body.ApplyForce(buoyancyForce, massc);
+ var dragForce = body.GetLinearVelocityFromWorldPoint(areac);
+ dragForce.Subtract(this.velocity);
+ dragForce.Multiply((-this.linearDrag * area));
+ body.ApplyForce(dragForce, areac);
+ body.ApplyTorque((-body.GetInertia() / body.GetMass() * area * body.GetAngularVelocity() * this.angularDrag));
+ }
+ }
+ b2BuoyancyController.prototype.Draw = function (debugDraw) {
+ var r = 1000;
+ var p1 = new b2Vec2();
+ var p2 = new b2Vec2();
+ p1.x = this.normal.x * this.offset + this.normal.y * r;
+ p1.y = this.normal.y * this.offset - this.normal.x * r;
+ p2.x = this.normal.x * this.offset - this.normal.y * r;
+ p2.y = this.normal.y * this.offset + this.normal.x * r;
+ var color = new b2Color(0, 0, 1);
+ debugDraw.DrawSegment(p1, p2, color);
+ }
+ Box2D.inherit(b2ConstantAccelController, Box2D.Dynamics.Controllers.b2Controller);
+ b2ConstantAccelController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
+ b2ConstantAccelController.b2ConstantAccelController = function () {
+ Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
+ this.A = new b2Vec2(0, 0);
+ };
+ b2ConstantAccelController.prototype.Step = function (step) {
+ var smallA = new b2Vec2(this.A.x * step.dt, this.A.y * step.dt);
+ for (var i = this.m_bodyList; i; i = i.nextBody) {
+ var body = i.body;
+ if (!body.IsAwake()) continue;
+ body.SetLinearVelocity(new b2Vec2(body.GetLinearVelocity().x + smallA.x, body.GetLinearVelocity().y + smallA.y));
+ }
+ }
+ Box2D.inherit(b2ConstantForceController, Box2D.Dynamics.Controllers.b2Controller);
+ b2ConstantForceController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
+ b2ConstantForceController.b2ConstantForceController = function () {
+ Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
+ this.F = new b2Vec2(0, 0);
+ };
+ b2ConstantForceController.prototype.Step = function (step) {
+ for (var i = this.m_bodyList; i; i = i.nextBody) {
+ var body = i.body;
+ if (!body.IsAwake()) continue;
+ body.ApplyForce(this.F, body.GetWorldCenter());
+ }
+ }
+ b2Controller.b2Controller = function () {};
+ b2Controller.prototype.Step = function (step) {}
+ b2Controller.prototype.Draw = function (debugDraw) {}
+ b2Controller.prototype.AddBody = function (body) {
+ var edge = new b2ControllerEdge();
+ edge.controller = this;
+ edge.body = body;
+ edge.nextBody = this.m_bodyList;
+ edge.prevBody = null;
+ this.m_bodyList = edge;
+ if (edge.nextBody) edge.nextBody.prevBody = edge;
+ this.m_bodyCount++;
+ edge.nextController = body.m_controllerList;
+ edge.prevController = null;
+ body.m_controllerList = edge;
+ if (edge.nextController) edge.nextController.prevController = edge;
+ body.m_controllerCount++;
+ }
+ b2Controller.prototype.RemoveBody = function (body) {
+ var edge = body.m_controllerList;
+ while (edge && edge.controller != this)
+ edge = edge.nextController;
+ if (edge.prevBody) edge.prevBody.nextBody = edge.nextBody;
+ if (edge.nextBody) edge.nextBody.prevBody = edge.prevBody;
+ if (edge.nextController) edge.nextController.prevController = edge.prevController;
+ if (edge.prevController) edge.prevController.nextController = edge.nextController;
+ if (this.m_bodyList == edge) this.m_bodyList = edge.nextBody;
+ if (body.m_controllerList == edge) body.m_controllerList = edge.nextController;
+ body.m_controllerCount--;
+ this.m_bodyCount--;
+ }
+ b2Controller.prototype.Clear = function () {
+ while (this.m_bodyList)
+ this.RemoveBody(this.m_bodyList.body);
+ }
+ b2Controller.prototype.GetNext = function () {
+ return this.m_next;
+ }
+ b2Controller.prototype.GetWorld = function () {
+ return this.m_world;
+ }
+ b2Controller.prototype.GetBodyList = function () {
+ return this.m_bodyList;
+ }
+ b2ControllerEdge.b2ControllerEdge = function () {};
+ Box2D.inherit(b2GravityController, Box2D.Dynamics.Controllers.b2Controller);
+ b2GravityController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
+ b2GravityController.b2GravityController = function () {
+ Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
+ this.G = 1;
+ this.invSqr = true;
+ };
+ b2GravityController.prototype.Step = function (step) {
+ var i = null;
+ var body1 = null;
+ var p1 = null;
+ var mass1 = 0;
+ var j = null;
+ var body2 = null;
+ var p2 = null;
+ var dx = 0;
+ var dy = 0;
+ var r2 = 0;
+ var f = null;
+ if (this.invSqr) {
+ for (i = this.m_bodyList;
+ i; i = i.nextBody) {
+ body1 = i.body;
+ p1 = body1.GetWorldCenter();
+ mass1 = body1.GetMass();
+ for (j = this.m_bodyList;
+ j != i; j = j.nextBody) {
+ body2 = j.body;
+ p2 = body2.GetWorldCenter();
+ dx = p2.x - p1.x;
+ dy = p2.y - p1.y;
+ r2 = dx * dx + dy * dy;
+ if (r2 < Number.MIN_VALUE) continue;
+ f = new b2Vec2(dx, dy);
+ f.Multiply(this.G / r2 / Math.sqrt(r2) * mass1 * body2.GetMass());
+ if (body1.IsAwake()) body1.ApplyForce(f, p1);
+ f.Multiply((-1));
+ if (body2.IsAwake()) body2.ApplyForce(f, p2);
+ }
+ }
+ }
+ else {
+ for (i = this.m_bodyList;
+ i; i = i.nextBody) {
+ body1 = i.body;
+ p1 = body1.GetWorldCenter();
+ mass1 = body1.GetMass();
+ for (j = this.m_bodyList;
+ j != i; j = j.nextBody) {
+ body2 = j.body;
+ p2 = body2.GetWorldCenter();
+ dx = p2.x - p1.x;
+ dy = p2.y - p1.y;
+ r2 = dx * dx + dy * dy;
+ if (r2 < Number.MIN_VALUE) continue;
+ f = new b2Vec2(dx, dy);
+ f.Multiply(this.G / r2 * mass1 * body2.GetMass());
+ if (body1.IsAwake()) body1.ApplyForce(f, p1);
+ f.Multiply((-1));
+ if (body2.IsAwake()) body2.ApplyForce(f, p2);
+ }
+ }
+ }
+ }
+ Box2D.inherit(b2TensorDampingController, Box2D.Dynamics.Controllers.b2Controller);
+ b2TensorDampingController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
+ b2TensorDampingController.b2TensorDampingController = function () {
+ Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
+ this.T = new b2Mat22();
+ this.maxTimestep = 0;
+ };
+ b2TensorDampingController.prototype.SetAxisAligned = function (xDamping, yDamping) {
+ if (xDamping === undefined) xDamping = 0;
+ if (yDamping === undefined) yDamping = 0;
+ this.T.col1.x = (-xDamping);
+ this.T.col1.y = 0;
+ this.T.col2.x = 0;
+ this.T.col2.y = (-yDamping);
+ if (xDamping > 0 || yDamping > 0) {
+ this.maxTimestep = 1 / Math.max(xDamping, yDamping);
+ }
+ else {
+ this.maxTimestep = 0;
+ }
+ }
+ b2TensorDampingController.prototype.Step = function (step) {
+ var timestep = step.dt;
+ if (timestep <= Number.MIN_VALUE) return;
+ if (timestep > this.maxTimestep && this.maxTimestep > 0) timestep = this.maxTimestep;
+ for (var i = this.m_bodyList; i; i = i.nextBody) {
+ var body = i.body;
+ if (!body.IsAwake()) {
+ continue;
+ }
+ var damping = body.GetWorldVector(b2Math.MulMV(this.T, body.GetLocalVector(body.GetLinearVelocity())));
+ body.SetLinearVelocity(new b2Vec2(body.GetLinearVelocity().x + damping.x * timestep, body.GetLinearVelocity().y + damping.y * timestep));
+ }
+ }
+})();
+(function () {
+ var b2Color = Box2D.Common.b2Color,
+ b2internal = Box2D.Common.b2internal,
+ b2Settings = Box2D.Common.b2Settings,
+ b2Mat22 = Box2D.Common.Math.b2Mat22,
+ b2Mat33 = Box2D.Common.Math.b2Mat33,
+ b2Math = Box2D.Common.Math.b2Math,
+ b2Sweep = Box2D.Common.Math.b2Sweep,
+ b2Transform = Box2D.Common.Math.b2Transform,
+ b2Vec2 = Box2D.Common.Math.b2Vec2,
+ b2Vec3 = Box2D.Common.Math.b2Vec3,
+ b2DistanceJoint = Box2D.Dynamics.Joints.b2DistanceJoint,
+ b2DistanceJointDef = Box2D.Dynamics.Joints.b2DistanceJointDef,
+ b2FrictionJoint = Box2D.Dynamics.Joints.b2FrictionJoint,
+ b2FrictionJointDef = Box2D.Dynamics.Joints.b2FrictionJointDef,
+ b2GearJoint = Box2D.Dynamics.Joints.b2GearJoint,
+ b2GearJointDef = Box2D.Dynamics.Joints.b2GearJointDef,
+ b2Jacobian = Box2D.Dynamics.Joints.b2Jacobian,
+ b2Joint = Box2D.Dynamics.Joints.b2Joint,
+ b2JointDef = Box2D.Dynamics.Joints.b2JointDef,
+ b2JointEdge = Box2D.Dynamics.Joints.b2JointEdge,
+ b2LineJoint = Box2D.Dynamics.Joints.b2LineJoint,
+ b2LineJointDef = Box2D.Dynamics.Joints.b2LineJointDef,
+ b2MouseJoint = Box2D.Dynamics.Joints.b2MouseJoint,
+ b2MouseJointDef = Box2D.Dynamics.Joints.b2MouseJointDef,
+ b2PrismaticJoint = Box2D.Dynamics.Joints.b2PrismaticJoint,
+ b2PrismaticJointDef = Box2D.Dynamics.Joints.b2PrismaticJointDef,
+ b2PulleyJoint = Box2D.Dynamics.Joints.b2PulleyJoint,
+ b2PulleyJointDef = Box2D.Dynamics.Joints.b2PulleyJointDef,
+ b2RevoluteJoint = Box2D.Dynamics.Joints.b2RevoluteJoint,
+ b2RevoluteJointDef = Box2D.Dynamics.Joints.b2RevoluteJointDef,
+ b2WeldJoint = Box2D.Dynamics.Joints.b2WeldJoint,
+ b2WeldJointDef = Box2D.Dynamics.Joints.b2WeldJointDef,
+ b2Body = Box2D.Dynamics.b2Body,
+ b2BodyDef = Box2D.Dynamics.b2BodyDef,
+ b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
+ b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
+ b2ContactListener = Box2D.Dynamics.b2ContactListener,
+ b2ContactManager = Box2D.Dynamics.b2ContactManager,
+ b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
+ b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
+ b2FilterData = Box2D.Dynamics.b2FilterData,
+ b2Fixture = Box2D.Dynamics.b2Fixture,
+ b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
+ b2Island = Box2D.Dynamics.b2Island,
+ b2TimeStep = Box2D.Dynamics.b2TimeStep,
+ b2World = Box2D.Dynamics.b2World;
+
+ Box2D.inherit(b2DistanceJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2DistanceJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2DistanceJoint.b2DistanceJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.m_localAnchor1 = new b2Vec2();
+ this.m_localAnchor2 = new b2Vec2();
+ this.m_u = new b2Vec2();
+ };
+ b2DistanceJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
+ }
+ b2DistanceJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
+ }
+ b2DistanceJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * this.m_impulse * this.m_u.x, inv_dt * this.m_impulse * this.m_u.y);
+ }
+ b2DistanceJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return 0.0;
+ }
+ b2DistanceJoint.prototype.GetLength = function () {
+ return this.m_length;
+ }
+ b2DistanceJoint.prototype.SetLength = function (length) {
+ if (length === undefined) length = 0;
+ this.m_length = length;
+ }
+ b2DistanceJoint.prototype.GetFrequency = function () {
+ return this.m_frequencyHz;
+ }
+ b2DistanceJoint.prototype.SetFrequency = function (hz) {
+ if (hz === undefined) hz = 0;
+ this.m_frequencyHz = hz;
+ }
+ b2DistanceJoint.prototype.GetDampingRatio = function () {
+ return this.m_dampingRatio;
+ }
+ b2DistanceJoint.prototype.SetDampingRatio = function (ratio) {
+ if (ratio === undefined) ratio = 0;
+ this.m_dampingRatio = ratio;
+ }
+ b2DistanceJoint.prototype.b2DistanceJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ var tMat;
+ var tX = 0;
+ var tY = 0;
+ this.m_localAnchor1.SetV(def.localAnchorA);
+ this.m_localAnchor2.SetV(def.localAnchorB);
+ this.m_length = def.length;
+ this.m_frequencyHz = def.frequencyHz;
+ this.m_dampingRatio = def.dampingRatio;
+ this.m_impulse = 0.0;
+ this.m_gamma = 0.0;
+ this.m_bias = 0.0;
+ }
+ b2DistanceJoint.prototype.InitVelocityConstraints = function (step) {
+ var tMat;
+ var tX = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ this.m_u.x = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
+ this.m_u.y = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
+ var length = Math.sqrt(this.m_u.x * this.m_u.x + this.m_u.y * this.m_u.y);
+ if (length > b2Settings.b2_linearSlop) {
+ this.m_u.Multiply(1.0 / length);
+ }
+ else {
+ this.m_u.SetZero();
+ }
+ var cr1u = (r1X * this.m_u.y - r1Y * this.m_u.x);
+ var cr2u = (r2X * this.m_u.y - r2Y * this.m_u.x);
+ var invMass = bA.m_invMass + bA.m_invI * cr1u * cr1u + bB.m_invMass + bB.m_invI * cr2u * cr2u;
+ this.m_mass = invMass != 0.0 ? 1.0 / invMass : 0.0;
+ if (this.m_frequencyHz > 0.0) {
+ var C = length - this.m_length;
+ var omega = 2.0 * Math.PI * this.m_frequencyHz;
+ var d = 2.0 * this.m_mass * this.m_dampingRatio * omega;
+ var k = this.m_mass * omega * omega;
+ this.m_gamma = step.dt * (d + step.dt * k);
+ this.m_gamma = this.m_gamma != 0.0 ? 1 / this.m_gamma : 0.0;
+ this.m_bias = C * step.dt * k * this.m_gamma;
+ this.m_mass = invMass + this.m_gamma;
+ this.m_mass = this.m_mass != 0.0 ? 1.0 / this.m_mass : 0.0;
+ }
+ if (step.warmStarting) {
+ this.m_impulse *= step.dtRatio;
+ var PX = this.m_impulse * this.m_u.x;
+ var PY = this.m_impulse * this.m_u.y;
+ bA.m_linearVelocity.x -= bA.m_invMass * PX;
+ bA.m_linearVelocity.y -= bA.m_invMass * PY;
+ bA.m_angularVelocity -= bA.m_invI * (r1X * PY - r1Y * PX);
+ bB.m_linearVelocity.x += bB.m_invMass * PX;
+ bB.m_linearVelocity.y += bB.m_invMass * PY;
+ bB.m_angularVelocity += bB.m_invI * (r2X * PY - r2Y * PX);
+ }
+ else {
+ this.m_impulse = 0.0;
+ }
+ }
+ b2DistanceJoint.prototype.SolveVelocityConstraints = function (step) {
+ var tMat;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var v1X = bA.m_linearVelocity.x + ((-bA.m_angularVelocity * r1Y));
+ var v1Y = bA.m_linearVelocity.y + (bA.m_angularVelocity * r1X);
+ var v2X = bB.m_linearVelocity.x + ((-bB.m_angularVelocity * r2Y));
+ var v2Y = bB.m_linearVelocity.y + (bB.m_angularVelocity * r2X);
+ var Cdot = (this.m_u.x * (v2X - v1X) + this.m_u.y * (v2Y - v1Y));
+ var impulse = (-this.m_mass * (Cdot + this.m_bias + this.m_gamma * this.m_impulse));
+ this.m_impulse += impulse;
+ var PX = impulse * this.m_u.x;
+ var PY = impulse * this.m_u.y;
+ bA.m_linearVelocity.x -= bA.m_invMass * PX;
+ bA.m_linearVelocity.y -= bA.m_invMass * PY;
+ bA.m_angularVelocity -= bA.m_invI * (r1X * PY - r1Y * PX);
+ bB.m_linearVelocity.x += bB.m_invMass * PX;
+ bB.m_linearVelocity.y += bB.m_invMass * PY;
+ bB.m_angularVelocity += bB.m_invI * (r2X * PY - r2Y * PX);
+ }
+ b2DistanceJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var tMat;
+ if (this.m_frequencyHz > 0.0) {
+ return true;
+ }
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var dX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
+ var dY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
+ var length = Math.sqrt(dX * dX + dY * dY);
+ dX /= length;
+ dY /= length;
+ var C = length - this.m_length;
+ C = b2Math.Clamp(C, (-b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
+ var impulse = (-this.m_mass * C);
+ this.m_u.Set(dX, dY);
+ var PX = impulse * this.m_u.x;
+ var PY = impulse * this.m_u.y;
+ bA.m_sweep.c.x -= bA.m_invMass * PX;
+ bA.m_sweep.c.y -= bA.m_invMass * PY;
+ bA.m_sweep.a -= bA.m_invI * (r1X * PY - r1Y * PX);
+ bB.m_sweep.c.x += bB.m_invMass * PX;
+ bB.m_sweep.c.y += bB.m_invMass * PY;
+ bB.m_sweep.a += bB.m_invI * (r2X * PY - r2Y * PX);
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ return b2Math.Abs(C) < b2Settings.b2_linearSlop;
+ }
+ Box2D.inherit(b2DistanceJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2DistanceJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2DistanceJointDef.b2DistanceJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.localAnchorA = new b2Vec2();
+ this.localAnchorB = new b2Vec2();
+ };
+ b2DistanceJointDef.prototype.b2DistanceJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_distanceJoint;
+ this.length = 1.0;
+ this.frequencyHz = 0.0;
+ this.dampingRatio = 0.0;
+ }
+ b2DistanceJointDef.prototype.Initialize = function (bA, bB, anchorA, anchorB) {
+ this.bodyA = bA;
+ this.bodyB = bB;
+ this.localAnchorA.SetV(this.bodyA.GetLocalPoint(anchorA));
+ this.localAnchorB.SetV(this.bodyB.GetLocalPoint(anchorB));
+ var dX = anchorB.x - anchorA.x;
+ var dY = anchorB.y - anchorA.y;
+ this.length = Math.sqrt(dX * dX + dY * dY);
+ this.frequencyHz = 0.0;
+ this.dampingRatio = 0.0;
+ }
+ Box2D.inherit(b2FrictionJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2FrictionJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2FrictionJoint.b2FrictionJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.m_localAnchorA = new b2Vec2();
+ this.m_localAnchorB = new b2Vec2();
+ this.m_linearMass = new b2Mat22();
+ this.m_linearImpulse = new b2Vec2();
+ };
+ b2FrictionJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchorA);
+ }
+ b2FrictionJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchorB);
+ }
+ b2FrictionJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * this.m_linearImpulse.x, inv_dt * this.m_linearImpulse.y);
+ }
+ b2FrictionJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return inv_dt * this.m_angularImpulse;
+ }
+ b2FrictionJoint.prototype.SetMaxForce = function (force) {
+ if (force === undefined) force = 0;
+ this.m_maxForce = force;
+ }
+ b2FrictionJoint.prototype.GetMaxForce = function () {
+ return this.m_maxForce;
+ }
+ b2FrictionJoint.prototype.SetMaxTorque = function (torque) {
+ if (torque === undefined) torque = 0;
+ this.m_maxTorque = torque;
+ }
+ b2FrictionJoint.prototype.GetMaxTorque = function () {
+ return this.m_maxTorque;
+ }
+ b2FrictionJoint.prototype.b2FrictionJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ this.m_localAnchorA.SetV(def.localAnchorA);
+ this.m_localAnchorB.SetV(def.localAnchorB);
+ this.m_linearMass.SetZero();
+ this.m_angularMass = 0.0;
+ this.m_linearImpulse.SetZero();
+ this.m_angularImpulse = 0.0;
+ this.m_maxForce = def.maxForce;
+ this.m_maxTorque = def.maxTorque;
+ }
+ b2FrictionJoint.prototype.InitVelocityConstraints = function (step) {
+ var tMat;
+ var tX = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ tMat = bA.m_xf.R;
+ var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
+ var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
+ rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
+ rAX = tX;
+ tMat = bB.m_xf.R;
+ var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
+ var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
+ rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
+ rBX = tX;
+ var mA = bA.m_invMass;
+ var mB = bB.m_invMass;
+ var iA = bA.m_invI;
+ var iB = bB.m_invI;
+ var K = new b2Mat22();
+ K.col1.x = mA + mB;
+ K.col2.x = 0.0;
+ K.col1.y = 0.0;
+ K.col2.y = mA + mB;
+ K.col1.x += iA * rAY * rAY;
+ K.col2.x += (-iA * rAX * rAY);
+ K.col1.y += (-iA * rAX * rAY);
+ K.col2.y += iA * rAX * rAX;
+ K.col1.x += iB * rBY * rBY;
+ K.col2.x += (-iB * rBX * rBY);
+ K.col1.y += (-iB * rBX * rBY);
+ K.col2.y += iB * rBX * rBX;
+ K.GetInverse(this.m_linearMass);
+ this.m_angularMass = iA + iB;
+ if (this.m_angularMass > 0.0) {
+ this.m_angularMass = 1.0 / this.m_angularMass;
+ }
+ if (step.warmStarting) {
+ this.m_linearImpulse.x *= step.dtRatio;
+ this.m_linearImpulse.y *= step.dtRatio;
+ this.m_angularImpulse *= step.dtRatio;
+ var P = this.m_linearImpulse;
+ bA.m_linearVelocity.x -= mA * P.x;
+ bA.m_linearVelocity.y -= mA * P.y;
+ bA.m_angularVelocity -= iA * (rAX * P.y - rAY * P.x + this.m_angularImpulse);
+ bB.m_linearVelocity.x += mB * P.x;
+ bB.m_linearVelocity.y += mB * P.y;
+ bB.m_angularVelocity += iB * (rBX * P.y - rBY * P.x + this.m_angularImpulse);
+ }
+ else {
+ this.m_linearImpulse.SetZero();
+ this.m_angularImpulse = 0.0;
+ }
+ }
+ b2FrictionJoint.prototype.SolveVelocityConstraints = function (step) {
+ var tMat;
+ var tX = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var vA = bA.m_linearVelocity;
+ var wA = bA.m_angularVelocity;
+ var vB = bB.m_linearVelocity;
+ var wB = bB.m_angularVelocity;
+ var mA = bA.m_invMass;
+ var mB = bB.m_invMass;
+ var iA = bA.m_invI;
+ var iB = bB.m_invI;
+ tMat = bA.m_xf.R;
+ var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
+ var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
+ rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
+ rAX = tX;
+ tMat = bB.m_xf.R;
+ var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
+ var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
+ rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
+ rBX = tX;
+ var maxImpulse = 0; {
+ var Cdot = wB - wA;
+ var impulse = (-this.m_angularMass * Cdot);
+ var oldImpulse = this.m_angularImpulse;
+ maxImpulse = step.dt * this.m_maxTorque;
+ this.m_angularImpulse = b2Math.Clamp(this.m_angularImpulse + impulse, (-maxImpulse), maxImpulse);
+ impulse = this.m_angularImpulse - oldImpulse;
+ wA -= iA * impulse;
+ wB += iB * impulse;
+ } {
+ var CdotX = vB.x - wB * rBY - vA.x + wA * rAY;
+ var CdotY = vB.y + wB * rBX - vA.y - wA * rAX;
+ var impulseV = b2Math.MulMV(this.m_linearMass, new b2Vec2((-CdotX), (-CdotY)));
+ var oldImpulseV = this.m_linearImpulse.Copy();
+ this.m_linearImpulse.Add(impulseV);
+ maxImpulse = step.dt * this.m_maxForce;
+ if (this.m_linearImpulse.LengthSquared() > maxImpulse * maxImpulse) {
+ this.m_linearImpulse.Normalize();
+ this.m_linearImpulse.Multiply(maxImpulse);
+ }
+ impulseV = b2Math.SubtractVV(this.m_linearImpulse, oldImpulseV);
+ vA.x -= mA * impulseV.x;
+ vA.y -= mA * impulseV.y;
+ wA -= iA * (rAX * impulseV.y - rAY * impulseV.x);
+ vB.x += mB * impulseV.x;
+ vB.y += mB * impulseV.y;
+ wB += iB * (rBX * impulseV.y - rBY * impulseV.x);
+ }
+ bA.m_angularVelocity = wA;
+ bB.m_angularVelocity = wB;
+ }
+ b2FrictionJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ return true;
+ }
+ Box2D.inherit(b2FrictionJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2FrictionJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2FrictionJointDef.b2FrictionJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.localAnchorA = new b2Vec2();
+ this.localAnchorB = new b2Vec2();
+ };
+ b2FrictionJointDef.prototype.b2FrictionJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_frictionJoint;
+ this.maxForce = 0.0;
+ this.maxTorque = 0.0;
+ }
+ b2FrictionJointDef.prototype.Initialize = function (bA, bB, anchor) {
+ this.bodyA = bA;
+ this.bodyB = bB;
+ this.localAnchorA.SetV(this.bodyA.GetLocalPoint(anchor));
+ this.localAnchorB.SetV(this.bodyB.GetLocalPoint(anchor));
+ }
+ Box2D.inherit(b2GearJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2GearJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2GearJoint.b2GearJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.m_groundAnchor1 = new b2Vec2();
+ this.m_groundAnchor2 = new b2Vec2();
+ this.m_localAnchor1 = new b2Vec2();
+ this.m_localAnchor2 = new b2Vec2();
+ this.m_J = new b2Jacobian();
+ };
+ b2GearJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
+ }
+ b2GearJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
+ }
+ b2GearJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * this.m_impulse * this.m_J.linearB.x, inv_dt * this.m_impulse * this.m_J.linearB.y);
+ }
+ b2GearJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ var tMat = this.m_bodyB.m_xf.R;
+ var rX = this.m_localAnchor1.x - this.m_bodyB.m_sweep.localCenter.x;
+ var rY = this.m_localAnchor1.y - this.m_bodyB.m_sweep.localCenter.y;
+ var tX = tMat.col1.x * rX + tMat.col2.x * rY;
+ rY = tMat.col1.y * rX + tMat.col2.y * rY;
+ rX = tX;
+ var PX = this.m_impulse * this.m_J.linearB.x;
+ var PY = this.m_impulse * this.m_J.linearB.y;
+ return inv_dt * (this.m_impulse * this.m_J.angularB - rX * PY + rY * PX);
+ }
+ b2GearJoint.prototype.GetRatio = function () {
+ return this.m_ratio;
+ }
+ b2GearJoint.prototype.SetRatio = function (ratio) {
+ if (ratio === undefined) ratio = 0;
+ this.m_ratio = ratio;
+ }
+ b2GearJoint.prototype.b2GearJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ var type1 = parseInt(def.joint1.m_type);
+ var type2 = parseInt(def.joint2.m_type);
+ this.m_revolute1 = null;
+ this.m_prismatic1 = null;
+ this.m_revolute2 = null;
+ this.m_prismatic2 = null;
+ var coordinate1 = 0;
+ var coordinate2 = 0;
+ this.m_ground1 = def.joint1.GetBodyA();
+ this.m_bodyA = def.joint1.GetBodyB();
+ if (type1 == b2Joint.e_revoluteJoint) {
+ this.m_revolute1 = (def.joint1 instanceof b2RevoluteJoint ? def.joint1 : null);
+ this.m_groundAnchor1.SetV(this.m_revolute1.m_localAnchor1);
+ this.m_localAnchor1.SetV(this.m_revolute1.m_localAnchor2);
+ coordinate1 = this.m_revolute1.GetJointAngle();
+ }
+ else {
+ this.m_prismatic1 = (def.joint1 instanceof b2PrismaticJoint ? def.joint1 : null);
+ this.m_groundAnchor1.SetV(this.m_prismatic1.m_localAnchor1);
+ this.m_localAnchor1.SetV(this.m_prismatic1.m_localAnchor2);
+ coordinate1 = this.m_prismatic1.GetJointTranslation();
+ }
+ this.m_ground2 = def.joint2.GetBodyA();
+ this.m_bodyB = def.joint2.GetBodyB();
+ if (type2 == b2Joint.e_revoluteJoint) {
+ this.m_revolute2 = (def.joint2 instanceof b2RevoluteJoint ? def.joint2 : null);
+ this.m_groundAnchor2.SetV(this.m_revolute2.m_localAnchor1);
+ this.m_localAnchor2.SetV(this.m_revolute2.m_localAnchor2);
+ coordinate2 = this.m_revolute2.GetJointAngle();
+ }
+ else {
+ this.m_prismatic2 = (def.joint2 instanceof b2PrismaticJoint ? def.joint2 : null);
+ this.m_groundAnchor2.SetV(this.m_prismatic2.m_localAnchor1);
+ this.m_localAnchor2.SetV(this.m_prismatic2.m_localAnchor2);
+ coordinate2 = this.m_prismatic2.GetJointTranslation();
+ }
+ this.m_ratio = def.ratio;
+ this.m_constant = coordinate1 + this.m_ratio * coordinate2;
+ this.m_impulse = 0.0;
+ }
+ b2GearJoint.prototype.InitVelocityConstraints = function (step) {
+ var g1 = this.m_ground1;
+ var g2 = this.m_ground2;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var ugX = 0;
+ var ugY = 0;
+ var rX = 0;
+ var rY = 0;
+ var tMat;
+ var tVec;
+ var crug = 0;
+ var tX = 0;
+ var K = 0.0;
+ this.m_J.SetZero();
+ if (this.m_revolute1) {
+ this.m_J.angularA = (-1.0);
+ K += bA.m_invI;
+ }
+ else {
+ tMat = g1.m_xf.R;
+ tVec = this.m_prismatic1.m_localXAxis1;
+ ugX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ ugY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tMat = bA.m_xf.R;
+ rX = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ rY = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = tMat.col1.x * rX + tMat.col2.x * rY;
+ rY = tMat.col1.y * rX + tMat.col2.y * rY;
+ rX = tX;
+ crug = rX * ugY - rY * ugX;
+ this.m_J.linearA.Set((-ugX), (-ugY));
+ this.m_J.angularA = (-crug);
+ K += bA.m_invMass + bA.m_invI * crug * crug;
+ }
+ if (this.m_revolute2) {
+ this.m_J.angularB = (-this.m_ratio);
+ K += this.m_ratio * this.m_ratio * bB.m_invI;
+ }
+ else {
+ tMat = g2.m_xf.R;
+ tVec = this.m_prismatic2.m_localXAxis1;
+ ugX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
+ ugY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
+ tMat = bB.m_xf.R;
+ rX = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ rY = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = tMat.col1.x * rX + tMat.col2.x * rY;
+ rY = tMat.col1.y * rX + tMat.col2.y * rY;
+ rX = tX;
+ crug = rX * ugY - rY * ugX;
+ this.m_J.linearB.Set((-this.m_ratio * ugX), (-this.m_ratio * ugY));
+ this.m_J.angularB = (-this.m_ratio * crug);
+ K += this.m_ratio * this.m_ratio * (bB.m_invMass + bB.m_invI * crug * crug);
+ }
+ this.m_mass = K > 0.0 ? 1.0 / K : 0.0;
+ if (step.warmStarting) {
+ bA.m_linearVelocity.x += bA.m_invMass * this.m_impulse * this.m_J.linearA.x;
+ bA.m_linearVelocity.y += bA.m_invMass * this.m_impulse * this.m_J.linearA.y;
+ bA.m_angularVelocity += bA.m_invI * this.m_impulse * this.m_J.angularA;
+ bB.m_linearVelocity.x += bB.m_invMass * this.m_impulse * this.m_J.linearB.x;
+ bB.m_linearVelocity.y += bB.m_invMass * this.m_impulse * this.m_J.linearB.y;
+ bB.m_angularVelocity += bB.m_invI * this.m_impulse * this.m_J.angularB;
+ }
+ else {
+ this.m_impulse = 0.0;
+ }
+ }
+ b2GearJoint.prototype.SolveVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var Cdot = this.m_J.Compute(bA.m_linearVelocity, bA.m_angularVelocity, bB.m_linearVelocity, bB.m_angularVelocity);
+ var impulse = (-this.m_mass * Cdot);
+ this.m_impulse += impulse;
+ bA.m_linearVelocity.x += bA.m_invMass * impulse * this.m_J.linearA.x;
+ bA.m_linearVelocity.y += bA.m_invMass * impulse * this.m_J.linearA.y;
+ bA.m_angularVelocity += bA.m_invI * impulse * this.m_J.angularA;
+ bB.m_linearVelocity.x += bB.m_invMass * impulse * this.m_J.linearB.x;
+ bB.m_linearVelocity.y += bB.m_invMass * impulse * this.m_J.linearB.y;
+ bB.m_angularVelocity += bB.m_invI * impulse * this.m_J.angularB;
+ }
+ b2GearJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var linearError = 0.0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var coordinate1 = 0;
+ var coordinate2 = 0;
+ if (this.m_revolute1) {
+ coordinate1 = this.m_revolute1.GetJointAngle();
+ }
+ else {
+ coordinate1 = this.m_prismatic1.GetJointTranslation();
+ }
+ if (this.m_revolute2) {
+ coordinate2 = this.m_revolute2.GetJointAngle();
+ }
+ else {
+ coordinate2 = this.m_prismatic2.GetJointTranslation();
+ }
+ var C = this.m_constant - (coordinate1 + this.m_ratio * coordinate2);
+ var impulse = (-this.m_mass * C);
+ bA.m_sweep.c.x += bA.m_invMass * impulse * this.m_J.linearA.x;
+ bA.m_sweep.c.y += bA.m_invMass * impulse * this.m_J.linearA.y;
+ bA.m_sweep.a += bA.m_invI * impulse * this.m_J.angularA;
+ bB.m_sweep.c.x += bB.m_invMass * impulse * this.m_J.linearB.x;
+ bB.m_sweep.c.y += bB.m_invMass * impulse * this.m_J.linearB.y;
+ bB.m_sweep.a += bB.m_invI * impulse * this.m_J.angularB;
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ return linearError < b2Settings.b2_linearSlop;
+ }
+ Box2D.inherit(b2GearJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2GearJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2GearJointDef.b2GearJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ };
+ b2GearJointDef.prototype.b2GearJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_gearJoint;
+ this.joint1 = null;
+ this.joint2 = null;
+ this.ratio = 1.0;
+ }
+ b2Jacobian.b2Jacobian = function () {
+ this.linearA = new b2Vec2();
+ this.linearB = new b2Vec2();
+ };
+ b2Jacobian.prototype.SetZero = function () {
+ this.linearA.SetZero();
+ this.angularA = 0.0;
+ this.linearB.SetZero();
+ this.angularB = 0.0;
+ }
+ b2Jacobian.prototype.Set = function (x1, a1, x2, a2) {
+ if (a1 === undefined) a1 = 0;
+ if (a2 === undefined) a2 = 0;
+ this.linearA.SetV(x1);
+ this.angularA = a1;
+ this.linearB.SetV(x2);
+ this.angularB = a2;
+ }
+ b2Jacobian.prototype.Compute = function (x1, a1, x2, a2) {
+ if (a1 === undefined) a1 = 0;
+ if (a2 === undefined) a2 = 0;
+ return (this.linearA.x * x1.x + this.linearA.y * x1.y) + this.angularA * a1 + (this.linearB.x * x2.x + this.linearB.y * x2.y) + this.angularB * a2;
+ }
+ b2Joint.b2Joint = function () {
+ this.m_edgeA = new b2JointEdge();
+ this.m_edgeB = new b2JointEdge();
+ this.m_localCenterA = new b2Vec2();
+ this.m_localCenterB = new b2Vec2();
+ };
+ b2Joint.prototype.GetType = function () {
+ return this.m_type;
+ }
+ b2Joint.prototype.GetAnchorA = function () {
+ return null;
+ }
+ b2Joint.prototype.GetAnchorB = function () {
+ return null;
+ }
+ b2Joint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return null;
+ }
+ b2Joint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return 0.0;
+ }
+ b2Joint.prototype.GetBodyA = function () {
+ return this.m_bodyA;
+ }
+ b2Joint.prototype.GetBodyB = function () {
+ return this.m_bodyB;
+ }
+ b2Joint.prototype.GetNext = function () {
+ return this.m_next;
+ }
+ b2Joint.prototype.GetUserData = function () {
+ return this.m_userData;
+ }
+ b2Joint.prototype.SetUserData = function (data) {
+ this.m_userData = data;
+ }
+ b2Joint.prototype.IsActive = function () {
+ return this.m_bodyA.IsActive() && this.m_bodyB.IsActive();
+ }
+ b2Joint.Create = function (def, allocator) {
+ var joint = null;
+ switch (def.type) {
+ case b2Joint.e_distanceJoint:
+ {
+ joint = new b2DistanceJoint((def instanceof b2DistanceJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_mouseJoint:
+ {
+ joint = new b2MouseJoint((def instanceof b2MouseJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_prismaticJoint:
+ {
+ joint = new b2PrismaticJoint((def instanceof b2PrismaticJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_revoluteJoint:
+ {
+ joint = new b2RevoluteJoint((def instanceof b2RevoluteJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_pulleyJoint:
+ {
+ joint = new b2PulleyJoint((def instanceof b2PulleyJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_gearJoint:
+ {
+ joint = new b2GearJoint((def instanceof b2GearJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_lineJoint:
+ {
+ joint = new b2LineJoint((def instanceof b2LineJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_weldJoint:
+ {
+ joint = new b2WeldJoint((def instanceof b2WeldJointDef ? def : null));
+ }
+ break;
+ case b2Joint.e_frictionJoint:
+ {
+ joint = new b2FrictionJoint((def instanceof b2FrictionJointDef ? def : null));
+ }
+ break;
+ default:
+ break;
+ }
+ return joint;
+ }
+ b2Joint.Destroy = function (joint, allocator) {}
+ b2Joint.prototype.b2Joint = function (def) {
+ b2Settings.b2Assert(def.bodyA != def.bodyB);
+ this.m_type = def.type;
+ this.m_prev = null;
+ this.m_next = null;
+ this.m_bodyA = def.bodyA;
+ this.m_bodyB = def.bodyB;
+ this.m_collideConnected = def.collideConnected;
+ this.m_islandFlag = false;
+ this.m_userData = def.userData;
+ }
+ b2Joint.prototype.InitVelocityConstraints = function (step) {}
+ b2Joint.prototype.SolveVelocityConstraints = function (step) {}
+ b2Joint.prototype.FinalizeVelocityConstraints = function () {}
+ b2Joint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ return false;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.Joints.b2Joint.e_unknownJoint = 0;
+ Box2D.Dynamics.Joints.b2Joint.e_revoluteJoint = 1;
+ Box2D.Dynamics.Joints.b2Joint.e_prismaticJoint = 2;
+ Box2D.Dynamics.Joints.b2Joint.e_distanceJoint = 3;
+ Box2D.Dynamics.Joints.b2Joint.e_pulleyJoint = 4;
+ Box2D.Dynamics.Joints.b2Joint.e_mouseJoint = 5;
+ Box2D.Dynamics.Joints.b2Joint.e_gearJoint = 6;
+ Box2D.Dynamics.Joints.b2Joint.e_lineJoint = 7;
+ Box2D.Dynamics.Joints.b2Joint.e_weldJoint = 8;
+ Box2D.Dynamics.Joints.b2Joint.e_frictionJoint = 9;
+ Box2D.Dynamics.Joints.b2Joint.e_inactiveLimit = 0;
+ Box2D.Dynamics.Joints.b2Joint.e_atLowerLimit = 1;
+ Box2D.Dynamics.Joints.b2Joint.e_atUpperLimit = 2;
+ Box2D.Dynamics.Joints.b2Joint.e_equalLimits = 3;
+ });
+ b2JointDef.b2JointDef = function () {};
+ b2JointDef.prototype.b2JointDef = function () {
+ this.type = b2Joint.e_unknownJoint;
+ this.userData = null;
+ this.bodyA = null;
+ this.bodyB = null;
+ this.collideConnected = false;
+ }
+ b2JointEdge.b2JointEdge = function () {};
+ Box2D.inherit(b2LineJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2LineJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2LineJoint.b2LineJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.m_localAnchor1 = new b2Vec2();
+ this.m_localAnchor2 = new b2Vec2();
+ this.m_localXAxis1 = new b2Vec2();
+ this.m_localYAxis1 = new b2Vec2();
+ this.m_axis = new b2Vec2();
+ this.m_perp = new b2Vec2();
+ this.m_K = new b2Mat22();
+ this.m_impulse = new b2Vec2();
+ };
+ b2LineJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
+ }
+ b2LineJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
+ }
+ b2LineJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * (this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.x), inv_dt * (this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.y));
+ }
+ b2LineJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return inv_dt * this.m_impulse.y;
+ }
+ b2LineJoint.prototype.GetJointTranslation = function () {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ var p1 = bA.GetWorldPoint(this.m_localAnchor1);
+ var p2 = bB.GetWorldPoint(this.m_localAnchor2);
+ var dX = p2.x - p1.x;
+ var dY = p2.y - p1.y;
+ var axis = bA.GetWorldVector(this.m_localXAxis1);
+ var translation = axis.x * dX + axis.y * dY;
+ return translation;
+ }
+ b2LineJoint.prototype.GetJointSpeed = function () {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var p1X = bA.m_sweep.c.x + r1X;
+ var p1Y = bA.m_sweep.c.y + r1Y;
+ var p2X = bB.m_sweep.c.x + r2X;
+ var p2Y = bB.m_sweep.c.y + r2Y;
+ var dX = p2X - p1X;
+ var dY = p2Y - p1Y;
+ var axis = bA.GetWorldVector(this.m_localXAxis1);
+ var v1 = bA.m_linearVelocity;
+ var v2 = bB.m_linearVelocity;
+ var w1 = bA.m_angularVelocity;
+ var w2 = bB.m_angularVelocity;
+ var speed = (dX * ((-w1 * axis.y)) + dY * (w1 * axis.x)) + (axis.x * (((v2.x + ((-w2 * r2Y))) - v1.x) - ((-w1 * r1Y))) + axis.y * (((v2.y + (w2 * r2X)) - v1.y) - (w1 * r1X)));
+ return speed;
+ }
+ b2LineJoint.prototype.IsLimitEnabled = function () {
+ return this.m_enableLimit;
+ }
+ b2LineJoint.prototype.EnableLimit = function (flag) {
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_enableLimit = flag;
+ }
+ b2LineJoint.prototype.GetLowerLimit = function () {
+ return this.m_lowerTranslation;
+ }
+ b2LineJoint.prototype.GetUpperLimit = function () {
+ return this.m_upperTranslation;
+ }
+ b2LineJoint.prototype.SetLimits = function (lower, upper) {
+ if (lower === undefined) lower = 0;
+ if (upper === undefined) upper = 0;
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_lowerTranslation = lower;
+ this.m_upperTranslation = upper;
+ }
+ b2LineJoint.prototype.IsMotorEnabled = function () {
+ return this.m_enableMotor;
+ }
+ b2LineJoint.prototype.EnableMotor = function (flag) {
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_enableMotor = flag;
+ }
+ b2LineJoint.prototype.SetMotorSpeed = function (speed) {
+ if (speed === undefined) speed = 0;
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_motorSpeed = speed;
+ }
+ b2LineJoint.prototype.GetMotorSpeed = function () {
+ return this.m_motorSpeed;
+ }
+ b2LineJoint.prototype.SetMaxMotorForce = function (force) {
+ if (force === undefined) force = 0;
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_maxMotorForce = force;
+ }
+ b2LineJoint.prototype.GetMaxMotorForce = function () {
+ return this.m_maxMotorForce;
+ }
+ b2LineJoint.prototype.GetMotorForce = function () {
+ return this.m_motorImpulse;
+ }
+ b2LineJoint.prototype.b2LineJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ var tMat;
+ var tX = 0;
+ var tY = 0;
+ this.m_localAnchor1.SetV(def.localAnchorA);
+ this.m_localAnchor2.SetV(def.localAnchorB);
+ this.m_localXAxis1.SetV(def.localAxisA);
+ this.m_localYAxis1.x = (-this.m_localXAxis1.y);
+ this.m_localYAxis1.y = this.m_localXAxis1.x;
+ this.m_impulse.SetZero();
+ this.m_motorMass = 0.0;
+ this.m_motorImpulse = 0.0;
+ this.m_lowerTranslation = def.lowerTranslation;
+ this.m_upperTranslation = def.upperTranslation;
+ this.m_maxMotorForce = def.maxMotorForce;
+ this.m_motorSpeed = def.motorSpeed;
+ this.m_enableLimit = def.enableLimit;
+ this.m_enableMotor = def.enableMotor;
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ this.m_axis.SetZero();
+ this.m_perp.SetZero();
+ }
+ b2LineJoint.prototype.InitVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ var tX = 0;
+ this.m_localCenterA.SetV(bA.GetLocalCenter());
+ this.m_localCenterB.SetV(bB.GetLocalCenter());
+ var xf1 = bA.GetTransform();
+ var xf2 = bB.GetTransform();
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
+ var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
+ var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var dX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
+ var dY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
+ this.m_invMassA = bA.m_invMass;
+ this.m_invMassB = bB.m_invMass;
+ this.m_invIA = bA.m_invI;
+ this.m_invIB = bB.m_invI; {
+ this.m_axis.SetV(b2Math.MulMV(xf1.R, this.m_localXAxis1));
+ this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
+ this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
+ this.m_motorMass = this.m_invMassA + this.m_invMassB + this.m_invIA * this.m_a1 * this.m_a1 + this.m_invIB * this.m_a2 * this.m_a2;
+ this.m_motorMass = this.m_motorMass > Number.MIN_VALUE ? 1.0 / this.m_motorMass : 0.0;
+ } {
+ this.m_perp.SetV(b2Math.MulMV(xf1.R, this.m_localYAxis1));
+ this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
+ this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
+ var m1 = this.m_invMassA;
+ var m2 = this.m_invMassB;
+ var i1 = this.m_invIA;
+ var i2 = this.m_invIB;
+ this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
+ this.m_K.col1.y = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
+ this.m_K.col2.x = this.m_K.col1.y;
+ this.m_K.col2.y = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
+ }
+ if (this.m_enableLimit) {
+ var jointTransition = this.m_axis.x * dX + this.m_axis.y * dY;
+ if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
+ this.m_limitState = b2Joint.e_equalLimits;
+ }
+ else if (jointTransition <= this.m_lowerTranslation) {
+ if (this.m_limitState != b2Joint.e_atLowerLimit) {
+ this.m_limitState = b2Joint.e_atLowerLimit;
+ this.m_impulse.y = 0.0;
+ }
+ }
+ else if (jointTransition >= this.m_upperTranslation) {
+ if (this.m_limitState != b2Joint.e_atUpperLimit) {
+ this.m_limitState = b2Joint.e_atUpperLimit;
+ this.m_impulse.y = 0.0;
+ }
+ }
+ else {
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ this.m_impulse.y = 0.0;
+ }
+ }
+ else {
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ }
+ if (this.m_enableMotor == false) {
+ this.m_motorImpulse = 0.0;
+ }
+ if (step.warmStarting) {
+ this.m_impulse.x *= step.dtRatio;
+ this.m_impulse.y *= step.dtRatio;
+ this.m_motorImpulse *= step.dtRatio;
+ var PX = this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.x;
+ var PY = this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.y;
+ var L1 = this.m_impulse.x * this.m_s1 + (this.m_motorImpulse + this.m_impulse.y) * this.m_a1;
+ var L2 = this.m_impulse.x * this.m_s2 + (this.m_motorImpulse + this.m_impulse.y) * this.m_a2;
+ bA.m_linearVelocity.x -= this.m_invMassA * PX;
+ bA.m_linearVelocity.y -= this.m_invMassA * PY;
+ bA.m_angularVelocity -= this.m_invIA * L1;
+ bB.m_linearVelocity.x += this.m_invMassB * PX;
+ bB.m_linearVelocity.y += this.m_invMassB * PY;
+ bB.m_angularVelocity += this.m_invIB * L2;
+ }
+ else {
+ this.m_impulse.SetZero();
+ this.m_motorImpulse = 0.0;
+ }
+ }
+ b2LineJoint.prototype.SolveVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var v1 = bA.m_linearVelocity;
+ var w1 = bA.m_angularVelocity;
+ var v2 = bB.m_linearVelocity;
+ var w2 = bB.m_angularVelocity;
+ var PX = 0;
+ var PY = 0;
+ var L1 = 0;
+ var L2 = 0;
+ if (this.m_enableMotor && this.m_limitState != b2Joint.e_equalLimits) {
+ var Cdot = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
+ var impulse = this.m_motorMass * (this.m_motorSpeed - Cdot);
+ var oldImpulse = this.m_motorImpulse;
+ var maxImpulse = step.dt * this.m_maxMotorForce;
+ this.m_motorImpulse = b2Math.Clamp(this.m_motorImpulse + impulse, (-maxImpulse), maxImpulse);
+ impulse = this.m_motorImpulse - oldImpulse;
+ PX = impulse * this.m_axis.x;
+ PY = impulse * this.m_axis.y;
+ L1 = impulse * this.m_a1;
+ L2 = impulse * this.m_a2;
+ v1.x -= this.m_invMassA * PX;
+ v1.y -= this.m_invMassA * PY;
+ w1 -= this.m_invIA * L1;
+ v2.x += this.m_invMassB * PX;
+ v2.y += this.m_invMassB * PY;
+ w2 += this.m_invIB * L2;
+ }
+ var Cdot1 = this.m_perp.x * (v2.x - v1.x) + this.m_perp.y * (v2.y - v1.y) + this.m_s2 * w2 - this.m_s1 * w1;
+ if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
+ var Cdot2 = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
+ var f1 = this.m_impulse.Copy();
+ var df = this.m_K.Solve(new b2Vec2(), (-Cdot1), (-Cdot2));
+ this.m_impulse.Add(df);
+ if (this.m_limitState == b2Joint.e_atLowerLimit) {
+ this.m_impulse.y = b2Math.Max(this.m_impulse.y, 0.0);
+ }
+ else if (this.m_limitState == b2Joint.e_atUpperLimit) {
+ this.m_impulse.y = b2Math.Min(this.m_impulse.y, 0.0);
+ }
+ var b = (-Cdot1) - (this.m_impulse.y - f1.y) * this.m_K.col2.x;
+ var f2r = 0;
+ if (this.m_K.col1.x != 0.0) {
+ f2r = b / this.m_K.col1.x + f1.x;
+ }
+ else {
+ f2r = f1.x;
+ }
+ this.m_impulse.x = f2r;
+ df.x = this.m_impulse.x - f1.x;
+ df.y = this.m_impulse.y - f1.y;
+ PX = df.x * this.m_perp.x + df.y * this.m_axis.x;
+ PY = df.x * this.m_perp.y + df.y * this.m_axis.y;
+ L1 = df.x * this.m_s1 + df.y * this.m_a1;
+ L2 = df.x * this.m_s2 + df.y * this.m_a2;
+ v1.x -= this.m_invMassA * PX;
+ v1.y -= this.m_invMassA * PY;
+ w1 -= this.m_invIA * L1;
+ v2.x += this.m_invMassB * PX;
+ v2.y += this.m_invMassB * PY;
+ w2 += this.m_invIB * L2;
+ }
+ else {
+ var df2 = 0;
+ if (this.m_K.col1.x != 0.0) {
+ df2 = ((-Cdot1)) / this.m_K.col1.x;
+ }
+ else {
+ df2 = 0.0;
+ }
+ this.m_impulse.x += df2;
+ PX = df2 * this.m_perp.x;
+ PY = df2 * this.m_perp.y;
+ L1 = df2 * this.m_s1;
+ L2 = df2 * this.m_s2;
+ v1.x -= this.m_invMassA * PX;
+ v1.y -= this.m_invMassA * PY;
+ w1 -= this.m_invIA * L1;
+ v2.x += this.m_invMassB * PX;
+ v2.y += this.m_invMassB * PY;
+ w2 += this.m_invIB * L2;
+ }
+ bA.m_linearVelocity.SetV(v1);
+ bA.m_angularVelocity = w1;
+ bB.m_linearVelocity.SetV(v2);
+ bB.m_angularVelocity = w2;
+ }
+ b2LineJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var limitC = 0;
+ var oldLimitImpulse = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var c1 = bA.m_sweep.c;
+ var a1 = bA.m_sweep.a;
+ var c2 = bB.m_sweep.c;
+ var a2 = bB.m_sweep.a;
+ var tMat;
+ var tX = 0;
+ var m1 = 0;
+ var m2 = 0;
+ var i1 = 0;
+ var i2 = 0;
+ var linearError = 0.0;
+ var angularError = 0.0;
+ var active = false;
+ var C2 = 0.0;
+ var R1 = b2Mat22.FromAngle(a1);
+ var R2 = b2Mat22.FromAngle(a2);
+ tMat = R1;
+ var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
+ var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = R2;
+ var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
+ var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var dX = c2.x + r2X - c1.x - r1X;
+ var dY = c2.y + r2Y - c1.y - r1Y;
+ if (this.m_enableLimit) {
+ this.m_axis = b2Math.MulMV(R1, this.m_localXAxis1);
+ this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
+ this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
+ var translation = this.m_axis.x * dX + this.m_axis.y * dY;
+ if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
+ C2 = b2Math.Clamp(translation, (-b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
+ linearError = b2Math.Abs(translation);
+ active = true;
+ }
+ else if (translation <= this.m_lowerTranslation) {
+ C2 = b2Math.Clamp(translation - this.m_lowerTranslation + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
+ linearError = this.m_lowerTranslation - translation;
+ active = true;
+ }
+ else if (translation >= this.m_upperTranslation) {
+ C2 = b2Math.Clamp(translation - this.m_upperTranslation + b2Settings.b2_linearSlop, 0.0, b2Settings.b2_maxLinearCorrection);
+ linearError = translation - this.m_upperTranslation;
+ active = true;
+ }
+ }
+ this.m_perp = b2Math.MulMV(R1, this.m_localYAxis1);
+ this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
+ this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
+ var impulse = new b2Vec2();
+ var C1 = this.m_perp.x * dX + this.m_perp.y * dY;
+ linearError = b2Math.Max(linearError, b2Math.Abs(C1));
+ angularError = 0.0;
+ if (active) {
+ m1 = this.m_invMassA;
+ m2 = this.m_invMassB;
+ i1 = this.m_invIA;
+ i2 = this.m_invIB;
+ this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
+ this.m_K.col1.y = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
+ this.m_K.col2.x = this.m_K.col1.y;
+ this.m_K.col2.y = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
+ this.m_K.Solve(impulse, (-C1), (-C2));
+ }
+ else {
+ m1 = this.m_invMassA;
+ m2 = this.m_invMassB;
+ i1 = this.m_invIA;
+ i2 = this.m_invIB;
+ var k11 = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
+ var impulse1 = 0;
+ if (k11 != 0.0) {
+ impulse1 = ((-C1)) / k11;
+ }
+ else {
+ impulse1 = 0.0;
+ }
+ impulse.x = impulse1;
+ impulse.y = 0.0;
+ }
+ var PX = impulse.x * this.m_perp.x + impulse.y * this.m_axis.x;
+ var PY = impulse.x * this.m_perp.y + impulse.y * this.m_axis.y;
+ var L1 = impulse.x * this.m_s1 + impulse.y * this.m_a1;
+ var L2 = impulse.x * this.m_s2 + impulse.y * this.m_a2;
+ c1.x -= this.m_invMassA * PX;
+ c1.y -= this.m_invMassA * PY;
+ a1 -= this.m_invIA * L1;
+ c2.x += this.m_invMassB * PX;
+ c2.y += this.m_invMassB * PY;
+ a2 += this.m_invIB * L2;
+ bA.m_sweep.a = a1;
+ bB.m_sweep.a = a2;
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ return linearError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
+ }
+ Box2D.inherit(b2LineJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2LineJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2LineJointDef.b2LineJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.localAnchorA = new b2Vec2();
+ this.localAnchorB = new b2Vec2();
+ this.localAxisA = new b2Vec2();
+ };
+ b2LineJointDef.prototype.b2LineJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_lineJoint;
+ this.localAxisA.Set(1.0, 0.0);
+ this.enableLimit = false;
+ this.lowerTranslation = 0.0;
+ this.upperTranslation = 0.0;
+ this.enableMotor = false;
+ this.maxMotorForce = 0.0;
+ this.motorSpeed = 0.0;
+ }
+ b2LineJointDef.prototype.Initialize = function (bA, bB, anchor, axis) {
+ this.bodyA = bA;
+ this.bodyB = bB;
+ this.localAnchorA = this.bodyA.GetLocalPoint(anchor);
+ this.localAnchorB = this.bodyB.GetLocalPoint(anchor);
+ this.localAxisA = this.bodyA.GetLocalVector(axis);
+ }
+ Box2D.inherit(b2MouseJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2MouseJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2MouseJoint.b2MouseJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.K = new b2Mat22();
+ this.K1 = new b2Mat22();
+ this.K2 = new b2Mat22();
+ this.m_localAnchor = new b2Vec2();
+ this.m_target = new b2Vec2();
+ this.m_impulse = new b2Vec2();
+ this.m_mass = new b2Mat22();
+ this.m_C = new b2Vec2();
+ };
+ b2MouseJoint.prototype.GetAnchorA = function () {
+ return this.m_target;
+ }
+ b2MouseJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchor);
+ }
+ b2MouseJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * this.m_impulse.x, inv_dt * this.m_impulse.y);
+ }
+ b2MouseJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return 0.0;
+ }
+ b2MouseJoint.prototype.GetTarget = function () {
+ return this.m_target;
+ }
+ b2MouseJoint.prototype.SetTarget = function (target) {
+ if (this.m_bodyB.IsAwake() == false) {
+ this.m_bodyB.SetAwake(true);
+ }
+ this.m_target = target;
+ }
+ b2MouseJoint.prototype.GetMaxForce = function () {
+ return this.m_maxForce;
+ }
+ b2MouseJoint.prototype.SetMaxForce = function (maxForce) {
+ if (maxForce === undefined) maxForce = 0;
+ this.m_maxForce = maxForce;
+ }
+ b2MouseJoint.prototype.GetFrequency = function () {
+ return this.m_frequencyHz;
+ }
+ b2MouseJoint.prototype.SetFrequency = function (hz) {
+ if (hz === undefined) hz = 0;
+ this.m_frequencyHz = hz;
+ }
+ b2MouseJoint.prototype.GetDampingRatio = function () {
+ return this.m_dampingRatio;
+ }
+ b2MouseJoint.prototype.SetDampingRatio = function (ratio) {
+ if (ratio === undefined) ratio = 0;
+ this.m_dampingRatio = ratio;
+ }
+ b2MouseJoint.prototype.b2MouseJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ this.m_target.SetV(def.target);
+ var tX = this.m_target.x - this.m_bodyB.m_xf.position.x;
+ var tY = this.m_target.y - this.m_bodyB.m_xf.position.y;
+ var tMat = this.m_bodyB.m_xf.R;
+ this.m_localAnchor.x = (tX * tMat.col1.x + tY * tMat.col1.y);
+ this.m_localAnchor.y = (tX * tMat.col2.x + tY * tMat.col2.y);
+ this.m_maxForce = def.maxForce;
+ this.m_impulse.SetZero();
+ this.m_frequencyHz = def.frequencyHz;
+ this.m_dampingRatio = def.dampingRatio;
+ this.m_beta = 0.0;
+ this.m_gamma = 0.0;
+ }
+ b2MouseJoint.prototype.InitVelocityConstraints = function (step) {
+ var b = this.m_bodyB;
+ var mass = b.GetMass();
+ var omega = 2.0 * Math.PI * this.m_frequencyHz;
+ var d = 2.0 * mass * this.m_dampingRatio * omega;
+ var k = mass * omega * omega;
+ this.m_gamma = step.dt * (d + step.dt * k);
+ this.m_gamma = this.m_gamma != 0 ? 1 / this.m_gamma : 0.0;
+ this.m_beta = step.dt * k * this.m_gamma;
+ var tMat;tMat = b.m_xf.R;
+ var rX = this.m_localAnchor.x - b.m_sweep.localCenter.x;
+ var rY = this.m_localAnchor.y - b.m_sweep.localCenter.y;
+ var tX = (tMat.col1.x * rX + tMat.col2.x * rY);rY = (tMat.col1.y * rX + tMat.col2.y * rY);
+ rX = tX;
+ var invMass = b.m_invMass;
+ var invI = b.m_invI;this.K1.col1.x = invMass;
+ this.K1.col2.x = 0.0;
+ this.K1.col1.y = 0.0;
+ this.K1.col2.y = invMass;
+ this.K2.col1.x = invI * rY * rY;
+ this.K2.col2.x = (-invI * rX * rY);
+ this.K2.col1.y = (-invI * rX * rY);
+ this.K2.col2.y = invI * rX * rX;
+ this.K.SetM(this.K1);
+ this.K.AddM(this.K2);
+ this.K.col1.x += this.m_gamma;
+ this.K.col2.y += this.m_gamma;
+ this.K.GetInverse(this.m_mass);
+ this.m_C.x = b.m_sweep.c.x + rX - this.m_target.x;
+ this.m_C.y = b.m_sweep.c.y + rY - this.m_target.y;
+ b.m_angularVelocity *= 0.98;
+ this.m_impulse.x *= step.dtRatio;
+ this.m_impulse.y *= step.dtRatio;
+ b.m_linearVelocity.x += invMass * this.m_impulse.x;
+ b.m_linearVelocity.y += invMass * this.m_impulse.y;
+ b.m_angularVelocity += invI * (rX * this.m_impulse.y - rY * this.m_impulse.x);
+ }
+ b2MouseJoint.prototype.SolveVelocityConstraints = function (step) {
+ var b = this.m_bodyB;
+ var tMat;
+ var tX = 0;
+ var tY = 0;
+ tMat = b.m_xf.R;
+ var rX = this.m_localAnchor.x - b.m_sweep.localCenter.x;
+ var rY = this.m_localAnchor.y - b.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rX + tMat.col2.x * rY);
+ rY = (tMat.col1.y * rX + tMat.col2.y * rY);
+ rX = tX;
+ var CdotX = b.m_linearVelocity.x + ((-b.m_angularVelocity * rY));
+ var CdotY = b.m_linearVelocity.y + (b.m_angularVelocity * rX);
+ tMat = this.m_mass;
+ tX = CdotX + this.m_beta * this.m_C.x + this.m_gamma * this.m_impulse.x;
+ tY = CdotY + this.m_beta * this.m_C.y + this.m_gamma * this.m_impulse.y;
+ var impulseX = (-(tMat.col1.x * tX + tMat.col2.x * tY));
+ var impulseY = (-(tMat.col1.y * tX + tMat.col2.y * tY));
+ var oldImpulseX = this.m_impulse.x;
+ var oldImpulseY = this.m_impulse.y;
+ this.m_impulse.x += impulseX;
+ this.m_impulse.y += impulseY;
+ var maxImpulse = step.dt * this.m_maxForce;
+ if (this.m_impulse.LengthSquared() > maxImpulse * maxImpulse) {
+ this.m_impulse.Multiply(maxImpulse / this.m_impulse.Length());
+ }
+ impulseX = this.m_impulse.x - oldImpulseX;
+ impulseY = this.m_impulse.y - oldImpulseY;
+ b.m_linearVelocity.x += b.m_invMass * impulseX;
+ b.m_linearVelocity.y += b.m_invMass * impulseY;
+ b.m_angularVelocity += b.m_invI * (rX * impulseY - rY * impulseX);
+ }
+ b2MouseJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ return true;
+ }
+ Box2D.inherit(b2MouseJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2MouseJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2MouseJointDef.b2MouseJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.target = new b2Vec2();
+ };
+ b2MouseJointDef.prototype.b2MouseJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_mouseJoint;
+ this.maxForce = 0.0;
+ this.frequencyHz = 5.0;
+ this.dampingRatio = 0.7;
+ }
+ Box2D.inherit(b2PrismaticJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2PrismaticJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2PrismaticJoint.b2PrismaticJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.m_localAnchor1 = new b2Vec2();
+ this.m_localAnchor2 = new b2Vec2();
+ this.m_localXAxis1 = new b2Vec2();
+ this.m_localYAxis1 = new b2Vec2();
+ this.m_axis = new b2Vec2();
+ this.m_perp = new b2Vec2();
+ this.m_K = new b2Mat33();
+ this.m_impulse = new b2Vec3();
+ };
+ b2PrismaticJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
+ }
+ b2PrismaticJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
+ }
+ b2PrismaticJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * (this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.x), inv_dt * (this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.y));
+ }
+ b2PrismaticJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return inv_dt * this.m_impulse.y;
+ }
+ b2PrismaticJoint.prototype.GetJointTranslation = function () {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ var p1 = bA.GetWorldPoint(this.m_localAnchor1);
+ var p2 = bB.GetWorldPoint(this.m_localAnchor2);
+ var dX = p2.x - p1.x;
+ var dY = p2.y - p1.y;
+ var axis = bA.GetWorldVector(this.m_localXAxis1);
+ var translation = axis.x * dX + axis.y * dY;
+ return translation;
+ }
+ b2PrismaticJoint.prototype.GetJointSpeed = function () {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var p1X = bA.m_sweep.c.x + r1X;
+ var p1Y = bA.m_sweep.c.y + r1Y;
+ var p2X = bB.m_sweep.c.x + r2X;
+ var p2Y = bB.m_sweep.c.y + r2Y;
+ var dX = p2X - p1X;
+ var dY = p2Y - p1Y;
+ var axis = bA.GetWorldVector(this.m_localXAxis1);
+ var v1 = bA.m_linearVelocity;
+ var v2 = bB.m_linearVelocity;
+ var w1 = bA.m_angularVelocity;
+ var w2 = bB.m_angularVelocity;
+ var speed = (dX * ((-w1 * axis.y)) + dY * (w1 * axis.x)) + (axis.x * (((v2.x + ((-w2 * r2Y))) - v1.x) - ((-w1 * r1Y))) + axis.y * (((v2.y + (w2 * r2X)) - v1.y) - (w1 * r1X)));
+ return speed;
+ }
+ b2PrismaticJoint.prototype.IsLimitEnabled = function () {
+ return this.m_enableLimit;
+ }
+ b2PrismaticJoint.prototype.EnableLimit = function (flag) {
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_enableLimit = flag;
+ }
+ b2PrismaticJoint.prototype.GetLowerLimit = function () {
+ return this.m_lowerTranslation;
+ }
+ b2PrismaticJoint.prototype.GetUpperLimit = function () {
+ return this.m_upperTranslation;
+ }
+ b2PrismaticJoint.prototype.SetLimits = function (lower, upper) {
+ if (lower === undefined) lower = 0;
+ if (upper === undefined) upper = 0;
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_lowerTranslation = lower;
+ this.m_upperTranslation = upper;
+ }
+ b2PrismaticJoint.prototype.IsMotorEnabled = function () {
+ return this.m_enableMotor;
+ }
+ b2PrismaticJoint.prototype.EnableMotor = function (flag) {
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_enableMotor = flag;
+ }
+ b2PrismaticJoint.prototype.SetMotorSpeed = function (speed) {
+ if (speed === undefined) speed = 0;
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_motorSpeed = speed;
+ }
+ b2PrismaticJoint.prototype.GetMotorSpeed = function () {
+ return this.m_motorSpeed;
+ }
+ b2PrismaticJoint.prototype.SetMaxMotorForce = function (force) {
+ if (force === undefined) force = 0;
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_maxMotorForce = force;
+ }
+ b2PrismaticJoint.prototype.GetMotorForce = function () {
+ return this.m_motorImpulse;
+ }
+ b2PrismaticJoint.prototype.b2PrismaticJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ var tMat;
+ var tX = 0;
+ var tY = 0;
+ this.m_localAnchor1.SetV(def.localAnchorA);
+ this.m_localAnchor2.SetV(def.localAnchorB);
+ this.m_localXAxis1.SetV(def.localAxisA);
+ this.m_localYAxis1.x = (-this.m_localXAxis1.y);
+ this.m_localYAxis1.y = this.m_localXAxis1.x;
+ this.m_refAngle = def.referenceAngle;
+ this.m_impulse.SetZero();
+ this.m_motorMass = 0.0;
+ this.m_motorImpulse = 0.0;
+ this.m_lowerTranslation = def.lowerTranslation;
+ this.m_upperTranslation = def.upperTranslation;
+ this.m_maxMotorForce = def.maxMotorForce;
+ this.m_motorSpeed = def.motorSpeed;
+ this.m_enableLimit = def.enableLimit;
+ this.m_enableMotor = def.enableMotor;
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ this.m_axis.SetZero();
+ this.m_perp.SetZero();
+ }
+ b2PrismaticJoint.prototype.InitVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ var tX = 0;
+ this.m_localCenterA.SetV(bA.GetLocalCenter());
+ this.m_localCenterB.SetV(bB.GetLocalCenter());
+ var xf1 = bA.GetTransform();
+ var xf2 = bB.GetTransform();
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
+ var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
+ var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var dX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
+ var dY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
+ this.m_invMassA = bA.m_invMass;
+ this.m_invMassB = bB.m_invMass;
+ this.m_invIA = bA.m_invI;
+ this.m_invIB = bB.m_invI; {
+ this.m_axis.SetV(b2Math.MulMV(xf1.R, this.m_localXAxis1));
+ this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
+ this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
+ this.m_motorMass = this.m_invMassA + this.m_invMassB + this.m_invIA * this.m_a1 * this.m_a1 + this.m_invIB * this.m_a2 * this.m_a2;
+ if (this.m_motorMass > Number.MIN_VALUE) this.m_motorMass = 1.0 / this.m_motorMass;
+ } {
+ this.m_perp.SetV(b2Math.MulMV(xf1.R, this.m_localYAxis1));
+ this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
+ this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
+ var m1 = this.m_invMassA;
+ var m2 = this.m_invMassB;
+ var i1 = this.m_invIA;
+ var i2 = this.m_invIB;
+ this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
+ this.m_K.col1.y = i1 * this.m_s1 + i2 * this.m_s2;
+ this.m_K.col1.z = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
+ this.m_K.col2.x = this.m_K.col1.y;
+ this.m_K.col2.y = i1 + i2;
+ this.m_K.col2.z = i1 * this.m_a1 + i2 * this.m_a2;
+ this.m_K.col3.x = this.m_K.col1.z;
+ this.m_K.col3.y = this.m_K.col2.z;
+ this.m_K.col3.z = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
+ }
+ if (this.m_enableLimit) {
+ var jointTransition = this.m_axis.x * dX + this.m_axis.y * dY;
+ if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
+ this.m_limitState = b2Joint.e_equalLimits;
+ }
+ else if (jointTransition <= this.m_lowerTranslation) {
+ if (this.m_limitState != b2Joint.e_atLowerLimit) {
+ this.m_limitState = b2Joint.e_atLowerLimit;
+ this.m_impulse.z = 0.0;
+ }
+ }
+ else if (jointTransition >= this.m_upperTranslation) {
+ if (this.m_limitState != b2Joint.e_atUpperLimit) {
+ this.m_limitState = b2Joint.e_atUpperLimit;
+ this.m_impulse.z = 0.0;
+ }
+ }
+ else {
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ this.m_impulse.z = 0.0;
+ }
+ }
+ else {
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ }
+ if (this.m_enableMotor == false) {
+ this.m_motorImpulse = 0.0;
+ }
+ if (step.warmStarting) {
+ this.m_impulse.x *= step.dtRatio;
+ this.m_impulse.y *= step.dtRatio;
+ this.m_motorImpulse *= step.dtRatio;
+ var PX = this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.x;
+ var PY = this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.y;
+ var L1 = this.m_impulse.x * this.m_s1 + this.m_impulse.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_a1;
+ var L2 = this.m_impulse.x * this.m_s2 + this.m_impulse.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_a2;
+ bA.m_linearVelocity.x -= this.m_invMassA * PX;
+ bA.m_linearVelocity.y -= this.m_invMassA * PY;
+ bA.m_angularVelocity -= this.m_invIA * L1;
+ bB.m_linearVelocity.x += this.m_invMassB * PX;
+ bB.m_linearVelocity.y += this.m_invMassB * PY;
+ bB.m_angularVelocity += this.m_invIB * L2;
+ }
+ else {
+ this.m_impulse.SetZero();
+ this.m_motorImpulse = 0.0;
+ }
+ }
+ b2PrismaticJoint.prototype.SolveVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var v1 = bA.m_linearVelocity;
+ var w1 = bA.m_angularVelocity;
+ var v2 = bB.m_linearVelocity;
+ var w2 = bB.m_angularVelocity;
+ var PX = 0;
+ var PY = 0;
+ var L1 = 0;
+ var L2 = 0;
+ if (this.m_enableMotor && this.m_limitState != b2Joint.e_equalLimits) {
+ var Cdot = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
+ var impulse = this.m_motorMass * (this.m_motorSpeed - Cdot);
+ var oldImpulse = this.m_motorImpulse;
+ var maxImpulse = step.dt * this.m_maxMotorForce;
+ this.m_motorImpulse = b2Math.Clamp(this.m_motorImpulse + impulse, (-maxImpulse), maxImpulse);
+ impulse = this.m_motorImpulse - oldImpulse;
+ PX = impulse * this.m_axis.x;
+ PY = impulse * this.m_axis.y;
+ L1 = impulse * this.m_a1;
+ L2 = impulse * this.m_a2;
+ v1.x -= this.m_invMassA * PX;
+ v1.y -= this.m_invMassA * PY;
+ w1 -= this.m_invIA * L1;
+ v2.x += this.m_invMassB * PX;
+ v2.y += this.m_invMassB * PY;
+ w2 += this.m_invIB * L2;
+ }
+ var Cdot1X = this.m_perp.x * (v2.x - v1.x) + this.m_perp.y * (v2.y - v1.y) + this.m_s2 * w2 - this.m_s1 * w1;
+ var Cdot1Y = w2 - w1;
+ if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
+ var Cdot2 = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
+ var f1 = this.m_impulse.Copy();
+ var df = this.m_K.Solve33(new b2Vec3(), (-Cdot1X), (-Cdot1Y), (-Cdot2));
+ this.m_impulse.Add(df);
+ if (this.m_limitState == b2Joint.e_atLowerLimit) {
+ this.m_impulse.z = b2Math.Max(this.m_impulse.z, 0.0);
+ }
+ else if (this.m_limitState == b2Joint.e_atUpperLimit) {
+ this.m_impulse.z = b2Math.Min(this.m_impulse.z, 0.0);
+ }
+ var bX = (-Cdot1X) - (this.m_impulse.z - f1.z) * this.m_K.col3.x;
+ var bY = (-Cdot1Y) - (this.m_impulse.z - f1.z) * this.m_K.col3.y;
+ var f2r = this.m_K.Solve22(new b2Vec2(), bX, bY);
+ f2r.x += f1.x;
+ f2r.y += f1.y;
+ this.m_impulse.x = f2r.x;
+ this.m_impulse.y = f2r.y;
+ df.x = this.m_impulse.x - f1.x;
+ df.y = this.m_impulse.y - f1.y;
+ df.z = this.m_impulse.z - f1.z;
+ PX = df.x * this.m_perp.x + df.z * this.m_axis.x;
+ PY = df.x * this.m_perp.y + df.z * this.m_axis.y;
+ L1 = df.x * this.m_s1 + df.y + df.z * this.m_a1;
+ L2 = df.x * this.m_s2 + df.y + df.z * this.m_a2;
+ v1.x -= this.m_invMassA * PX;
+ v1.y -= this.m_invMassA * PY;
+ w1 -= this.m_invIA * L1;
+ v2.x += this.m_invMassB * PX;
+ v2.y += this.m_invMassB * PY;
+ w2 += this.m_invIB * L2;
+ }
+ else {
+ var df2 = this.m_K.Solve22(new b2Vec2(), (-Cdot1X), (-Cdot1Y));
+ this.m_impulse.x += df2.x;
+ this.m_impulse.y += df2.y;
+ PX = df2.x * this.m_perp.x;
+ PY = df2.x * this.m_perp.y;
+ L1 = df2.x * this.m_s1 + df2.y;
+ L2 = df2.x * this.m_s2 + df2.y;
+ v1.x -= this.m_invMassA * PX;
+ v1.y -= this.m_invMassA * PY;
+ w1 -= this.m_invIA * L1;
+ v2.x += this.m_invMassB * PX;
+ v2.y += this.m_invMassB * PY;
+ w2 += this.m_invIB * L2;
+ }
+ bA.m_linearVelocity.SetV(v1);
+ bA.m_angularVelocity = w1;
+ bB.m_linearVelocity.SetV(v2);
+ bB.m_angularVelocity = w2;
+ }
+ b2PrismaticJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var limitC = 0;
+ var oldLimitImpulse = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var c1 = bA.m_sweep.c;
+ var a1 = bA.m_sweep.a;
+ var c2 = bB.m_sweep.c;
+ var a2 = bB.m_sweep.a;
+ var tMat;
+ var tX = 0;
+ var m1 = 0;
+ var m2 = 0;
+ var i1 = 0;
+ var i2 = 0;
+ var linearError = 0.0;
+ var angularError = 0.0;
+ var active = false;
+ var C2 = 0.0;
+ var R1 = b2Mat22.FromAngle(a1);
+ var R2 = b2Mat22.FromAngle(a2);
+ tMat = R1;
+ var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
+ var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = R2;
+ var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
+ var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var dX = c2.x + r2X - c1.x - r1X;
+ var dY = c2.y + r2Y - c1.y - r1Y;
+ if (this.m_enableLimit) {
+ this.m_axis = b2Math.MulMV(R1, this.m_localXAxis1);
+ this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
+ this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
+ var translation = this.m_axis.x * dX + this.m_axis.y * dY;
+ if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
+ C2 = b2Math.Clamp(translation, (-b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
+ linearError = b2Math.Abs(translation);
+ active = true;
+ }
+ else if (translation <= this.m_lowerTranslation) {
+ C2 = b2Math.Clamp(translation - this.m_lowerTranslation + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
+ linearError = this.m_lowerTranslation - translation;
+ active = true;
+ }
+ else if (translation >= this.m_upperTranslation) {
+ C2 = b2Math.Clamp(translation - this.m_upperTranslation + b2Settings.b2_linearSlop, 0.0, b2Settings.b2_maxLinearCorrection);
+ linearError = translation - this.m_upperTranslation;
+ active = true;
+ }
+ }
+ this.m_perp = b2Math.MulMV(R1, this.m_localYAxis1);
+ this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
+ this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
+ var impulse = new b2Vec3();
+ var C1X = this.m_perp.x * dX + this.m_perp.y * dY;
+ var C1Y = a2 - a1 - this.m_refAngle;
+ linearError = b2Math.Max(linearError, b2Math.Abs(C1X));
+ angularError = b2Math.Abs(C1Y);
+ if (active) {
+ m1 = this.m_invMassA;
+ m2 = this.m_invMassB;
+ i1 = this.m_invIA;
+ i2 = this.m_invIB;
+ this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
+ this.m_K.col1.y = i1 * this.m_s1 + i2 * this.m_s2;
+ this.m_K.col1.z = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
+ this.m_K.col2.x = this.m_K.col1.y;
+ this.m_K.col2.y = i1 + i2;
+ this.m_K.col2.z = i1 * this.m_a1 + i2 * this.m_a2;
+ this.m_K.col3.x = this.m_K.col1.z;
+ this.m_K.col3.y = this.m_K.col2.z;
+ this.m_K.col3.z = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
+ this.m_K.Solve33(impulse, (-C1X), (-C1Y), (-C2));
+ }
+ else {
+ m1 = this.m_invMassA;
+ m2 = this.m_invMassB;
+ i1 = this.m_invIA;
+ i2 = this.m_invIB;
+ var k11 = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
+ var k12 = i1 * this.m_s1 + i2 * this.m_s2;
+ var k22 = i1 + i2;
+ this.m_K.col1.Set(k11, k12, 0.0);
+ this.m_K.col2.Set(k12, k22, 0.0);
+ var impulse1 = this.m_K.Solve22(new b2Vec2(), (-C1X), (-C1Y));
+ impulse.x = impulse1.x;
+ impulse.y = impulse1.y;
+ impulse.z = 0.0;
+ }
+ var PX = impulse.x * this.m_perp.x + impulse.z * this.m_axis.x;
+ var PY = impulse.x * this.m_perp.y + impulse.z * this.m_axis.y;
+ var L1 = impulse.x * this.m_s1 + impulse.y + impulse.z * this.m_a1;
+ var L2 = impulse.x * this.m_s2 + impulse.y + impulse.z * this.m_a2;
+ c1.x -= this.m_invMassA * PX;
+ c1.y -= this.m_invMassA * PY;
+ a1 -= this.m_invIA * L1;
+ c2.x += this.m_invMassB * PX;
+ c2.y += this.m_invMassB * PY;
+ a2 += this.m_invIB * L2;
+ bA.m_sweep.a = a1;
+ bB.m_sweep.a = a2;
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ return linearError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
+ }
+ Box2D.inherit(b2PrismaticJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2PrismaticJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2PrismaticJointDef.b2PrismaticJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.localAnchorA = new b2Vec2();
+ this.localAnchorB = new b2Vec2();
+ this.localAxisA = new b2Vec2();
+ };
+ b2PrismaticJointDef.prototype.b2PrismaticJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_prismaticJoint;
+ this.localAxisA.Set(1.0, 0.0);
+ this.referenceAngle = 0.0;
+ this.enableLimit = false;
+ this.lowerTranslation = 0.0;
+ this.upperTranslation = 0.0;
+ this.enableMotor = false;
+ this.maxMotorForce = 0.0;
+ this.motorSpeed = 0.0;
+ }
+ b2PrismaticJointDef.prototype.Initialize = function (bA, bB, anchor, axis) {
+ this.bodyA = bA;
+ this.bodyB = bB;
+ this.localAnchorA = this.bodyA.GetLocalPoint(anchor);
+ this.localAnchorB = this.bodyB.GetLocalPoint(anchor);
+ this.localAxisA = this.bodyA.GetLocalVector(axis);
+ this.referenceAngle = this.bodyB.GetAngle() - this.bodyA.GetAngle();
+ }
+ Box2D.inherit(b2PulleyJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2PulleyJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2PulleyJoint.b2PulleyJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.m_groundAnchor1 = new b2Vec2();
+ this.m_groundAnchor2 = new b2Vec2();
+ this.m_localAnchor1 = new b2Vec2();
+ this.m_localAnchor2 = new b2Vec2();
+ this.m_u1 = new b2Vec2();
+ this.m_u2 = new b2Vec2();
+ };
+ b2PulleyJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
+ }
+ b2PulleyJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
+ }
+ b2PulleyJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * this.m_impulse * this.m_u2.x, inv_dt * this.m_impulse * this.m_u2.y);
+ }
+ b2PulleyJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return 0.0;
+ }
+ b2PulleyJoint.prototype.GetGroundAnchorA = function () {
+ var a = this.m_ground.m_xf.position.Copy();
+ a.Add(this.m_groundAnchor1);
+ return a;
+ }
+ b2PulleyJoint.prototype.GetGroundAnchorB = function () {
+ var a = this.m_ground.m_xf.position.Copy();
+ a.Add(this.m_groundAnchor2);
+ return a;
+ }
+ b2PulleyJoint.prototype.GetLength1 = function () {
+ var p = this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
+ var sX = this.m_ground.m_xf.position.x + this.m_groundAnchor1.x;
+ var sY = this.m_ground.m_xf.position.y + this.m_groundAnchor1.y;
+ var dX = p.x - sX;
+ var dY = p.y - sY;
+ return Math.sqrt(dX * dX + dY * dY);
+ }
+ b2PulleyJoint.prototype.GetLength2 = function () {
+ var p = this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
+ var sX = this.m_ground.m_xf.position.x + this.m_groundAnchor2.x;
+ var sY = this.m_ground.m_xf.position.y + this.m_groundAnchor2.y;
+ var dX = p.x - sX;
+ var dY = p.y - sY;
+ return Math.sqrt(dX * dX + dY * dY);
+ }
+ b2PulleyJoint.prototype.GetRatio = function () {
+ return this.m_ratio;
+ }
+ b2PulleyJoint.prototype.b2PulleyJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ var tMat;
+ var tX = 0;
+ var tY = 0;
+ this.m_ground = this.m_bodyA.m_world.m_groundBody;
+ this.m_groundAnchor1.x = def.groundAnchorA.x - this.m_ground.m_xf.position.x;
+ this.m_groundAnchor1.y = def.groundAnchorA.y - this.m_ground.m_xf.position.y;
+ this.m_groundAnchor2.x = def.groundAnchorB.x - this.m_ground.m_xf.position.x;
+ this.m_groundAnchor2.y = def.groundAnchorB.y - this.m_ground.m_xf.position.y;
+ this.m_localAnchor1.SetV(def.localAnchorA);
+ this.m_localAnchor2.SetV(def.localAnchorB);
+ this.m_ratio = def.ratio;
+ this.m_constant = def.lengthA + this.m_ratio * def.lengthB;
+ this.m_maxLength1 = b2Math.Min(def.maxLengthA, this.m_constant - this.m_ratio * b2PulleyJoint.b2_minPulleyLength);
+ this.m_maxLength2 = b2Math.Min(def.maxLengthB, (this.m_constant - b2PulleyJoint.b2_minPulleyLength) / this.m_ratio);
+ this.m_impulse = 0.0;
+ this.m_limitImpulse1 = 0.0;
+ this.m_limitImpulse2 = 0.0;
+ }
+ b2PulleyJoint.prototype.InitVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var p1X = bA.m_sweep.c.x + r1X;
+ var p1Y = bA.m_sweep.c.y + r1Y;
+ var p2X = bB.m_sweep.c.x + r2X;
+ var p2Y = bB.m_sweep.c.y + r2Y;
+ var s1X = this.m_ground.m_xf.position.x + this.m_groundAnchor1.x;
+ var s1Y = this.m_ground.m_xf.position.y + this.m_groundAnchor1.y;
+ var s2X = this.m_ground.m_xf.position.x + this.m_groundAnchor2.x;
+ var s2Y = this.m_ground.m_xf.position.y + this.m_groundAnchor2.y;
+ this.m_u1.Set(p1X - s1X, p1Y - s1Y);
+ this.m_u2.Set(p2X - s2X, p2Y - s2Y);
+ var length1 = this.m_u1.Length();
+ var length2 = this.m_u2.Length();
+ if (length1 > b2Settings.b2_linearSlop) {
+ this.m_u1.Multiply(1.0 / length1);
+ }
+ else {
+ this.m_u1.SetZero();
+ }
+ if (length2 > b2Settings.b2_linearSlop) {
+ this.m_u2.Multiply(1.0 / length2);
+ }
+ else {
+ this.m_u2.SetZero();
+ }
+ var C = this.m_constant - length1 - this.m_ratio * length2;
+ if (C > 0.0) {
+ this.m_state = b2Joint.e_inactiveLimit;
+ this.m_impulse = 0.0;
+ }
+ else {
+ this.m_state = b2Joint.e_atUpperLimit;
+ }
+ if (length1 < this.m_maxLength1) {
+ this.m_limitState1 = b2Joint.e_inactiveLimit;
+ this.m_limitImpulse1 = 0.0;
+ }
+ else {
+ this.m_limitState1 = b2Joint.e_atUpperLimit;
+ }
+ if (length2 < this.m_maxLength2) {
+ this.m_limitState2 = b2Joint.e_inactiveLimit;
+ this.m_limitImpulse2 = 0.0;
+ }
+ else {
+ this.m_limitState2 = b2Joint.e_atUpperLimit;
+ }
+ var cr1u1 = r1X * this.m_u1.y - r1Y * this.m_u1.x;
+ var cr2u2 = r2X * this.m_u2.y - r2Y * this.m_u2.x;
+ this.m_limitMass1 = bA.m_invMass + bA.m_invI * cr1u1 * cr1u1;
+ this.m_limitMass2 = bB.m_invMass + bB.m_invI * cr2u2 * cr2u2;
+ this.m_pulleyMass = this.m_limitMass1 + this.m_ratio * this.m_ratio * this.m_limitMass2;
+ this.m_limitMass1 = 1.0 / this.m_limitMass1;
+ this.m_limitMass2 = 1.0 / this.m_limitMass2;
+ this.m_pulleyMass = 1.0 / this.m_pulleyMass;
+ if (step.warmStarting) {
+ this.m_impulse *= step.dtRatio;
+ this.m_limitImpulse1 *= step.dtRatio;
+ this.m_limitImpulse2 *= step.dtRatio;
+ var P1X = ((-this.m_impulse) - this.m_limitImpulse1) * this.m_u1.x;
+ var P1Y = ((-this.m_impulse) - this.m_limitImpulse1) * this.m_u1.y;
+ var P2X = ((-this.m_ratio * this.m_impulse) - this.m_limitImpulse2) * this.m_u2.x;
+ var P2Y = ((-this.m_ratio * this.m_impulse) - this.m_limitImpulse2) * this.m_u2.y;
+ bA.m_linearVelocity.x += bA.m_invMass * P1X;
+ bA.m_linearVelocity.y += bA.m_invMass * P1Y;
+ bA.m_angularVelocity += bA.m_invI * (r1X * P1Y - r1Y * P1X);
+ bB.m_linearVelocity.x += bB.m_invMass * P2X;
+ bB.m_linearVelocity.y += bB.m_invMass * P2Y;
+ bB.m_angularVelocity += bB.m_invI * (r2X * P2Y - r2Y * P2X);
+ }
+ else {
+ this.m_impulse = 0.0;
+ this.m_limitImpulse1 = 0.0;
+ this.m_limitImpulse2 = 0.0;
+ }
+ }
+ b2PulleyJoint.prototype.SolveVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var v1X = 0;
+ var v1Y = 0;
+ var v2X = 0;
+ var v2Y = 0;
+ var P1X = 0;
+ var P1Y = 0;
+ var P2X = 0;
+ var P2Y = 0;
+ var Cdot = 0;
+ var impulse = 0;
+ var oldImpulse = 0;
+ if (this.m_state == b2Joint.e_atUpperLimit) {
+ v1X = bA.m_linearVelocity.x + ((-bA.m_angularVelocity * r1Y));
+ v1Y = bA.m_linearVelocity.y + (bA.m_angularVelocity * r1X);
+ v2X = bB.m_linearVelocity.x + ((-bB.m_angularVelocity * r2Y));
+ v2Y = bB.m_linearVelocity.y + (bB.m_angularVelocity * r2X);
+ Cdot = (-(this.m_u1.x * v1X + this.m_u1.y * v1Y)) - this.m_ratio * (this.m_u2.x * v2X + this.m_u2.y * v2Y);
+ impulse = this.m_pulleyMass * ((-Cdot));
+ oldImpulse = this.m_impulse;
+ this.m_impulse = b2Math.Max(0.0, this.m_impulse + impulse);
+ impulse = this.m_impulse - oldImpulse;
+ P1X = (-impulse * this.m_u1.x);
+ P1Y = (-impulse * this.m_u1.y);
+ P2X = (-this.m_ratio * impulse * this.m_u2.x);
+ P2Y = (-this.m_ratio * impulse * this.m_u2.y);
+ bA.m_linearVelocity.x += bA.m_invMass * P1X;
+ bA.m_linearVelocity.y += bA.m_invMass * P1Y;
+ bA.m_angularVelocity += bA.m_invI * (r1X * P1Y - r1Y * P1X);
+ bB.m_linearVelocity.x += bB.m_invMass * P2X;
+ bB.m_linearVelocity.y += bB.m_invMass * P2Y;
+ bB.m_angularVelocity += bB.m_invI * (r2X * P2Y - r2Y * P2X);
+ }
+ if (this.m_limitState1 == b2Joint.e_atUpperLimit) {
+ v1X = bA.m_linearVelocity.x + ((-bA.m_angularVelocity * r1Y));
+ v1Y = bA.m_linearVelocity.y + (bA.m_angularVelocity * r1X);
+ Cdot = (-(this.m_u1.x * v1X + this.m_u1.y * v1Y));
+ impulse = (-this.m_limitMass1 * Cdot);
+ oldImpulse = this.m_limitImpulse1;
+ this.m_limitImpulse1 = b2Math.Max(0.0, this.m_limitImpulse1 + impulse);
+ impulse = this.m_limitImpulse1 - oldImpulse;
+ P1X = (-impulse * this.m_u1.x);
+ P1Y = (-impulse * this.m_u1.y);
+ bA.m_linearVelocity.x += bA.m_invMass * P1X;
+ bA.m_linearVelocity.y += bA.m_invMass * P1Y;
+ bA.m_angularVelocity += bA.m_invI * (r1X * P1Y - r1Y * P1X);
+ }
+ if (this.m_limitState2 == b2Joint.e_atUpperLimit) {
+ v2X = bB.m_linearVelocity.x + ((-bB.m_angularVelocity * r2Y));
+ v2Y = bB.m_linearVelocity.y + (bB.m_angularVelocity * r2X);
+ Cdot = (-(this.m_u2.x * v2X + this.m_u2.y * v2Y));
+ impulse = (-this.m_limitMass2 * Cdot);
+ oldImpulse = this.m_limitImpulse2;
+ this.m_limitImpulse2 = b2Math.Max(0.0, this.m_limitImpulse2 + impulse);
+ impulse = this.m_limitImpulse2 - oldImpulse;
+ P2X = (-impulse * this.m_u2.x);
+ P2Y = (-impulse * this.m_u2.y);
+ bB.m_linearVelocity.x += bB.m_invMass * P2X;
+ bB.m_linearVelocity.y += bB.m_invMass * P2Y;
+ bB.m_angularVelocity += bB.m_invI * (r2X * P2Y - r2Y * P2X);
+ }
+ }
+ b2PulleyJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ var s1X = this.m_ground.m_xf.position.x + this.m_groundAnchor1.x;
+ var s1Y = this.m_ground.m_xf.position.y + this.m_groundAnchor1.y;
+ var s2X = this.m_ground.m_xf.position.x + this.m_groundAnchor2.x;
+ var s2Y = this.m_ground.m_xf.position.y + this.m_groundAnchor2.y;
+ var r1X = 0;
+ var r1Y = 0;
+ var r2X = 0;
+ var r2Y = 0;
+ var p1X = 0;
+ var p1Y = 0;
+ var p2X = 0;
+ var p2Y = 0;
+ var length1 = 0;
+ var length2 = 0;
+ var C = 0;
+ var impulse = 0;
+ var oldImpulse = 0;
+ var oldLimitPositionImpulse = 0;
+ var tX = 0;
+ var linearError = 0.0;
+ if (this.m_state == b2Joint.e_atUpperLimit) {
+ tMat = bA.m_xf.R;
+ r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ p1X = bA.m_sweep.c.x + r1X;
+ p1Y = bA.m_sweep.c.y + r1Y;
+ p2X = bB.m_sweep.c.x + r2X;
+ p2Y = bB.m_sweep.c.y + r2Y;
+ this.m_u1.Set(p1X - s1X, p1Y - s1Y);
+ this.m_u2.Set(p2X - s2X, p2Y - s2Y);
+ length1 = this.m_u1.Length();
+ length2 = this.m_u2.Length();
+ if (length1 > b2Settings.b2_linearSlop) {
+ this.m_u1.Multiply(1.0 / length1);
+ }
+ else {
+ this.m_u1.SetZero();
+ }
+ if (length2 > b2Settings.b2_linearSlop) {
+ this.m_u2.Multiply(1.0 / length2);
+ }
+ else {
+ this.m_u2.SetZero();
+ }
+ C = this.m_constant - length1 - this.m_ratio * length2;
+ linearError = b2Math.Max(linearError, (-C));
+ C = b2Math.Clamp(C + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
+ impulse = (-this.m_pulleyMass * C);
+ p1X = (-impulse * this.m_u1.x);
+ p1Y = (-impulse * this.m_u1.y);
+ p2X = (-this.m_ratio * impulse * this.m_u2.x);
+ p2Y = (-this.m_ratio * impulse * this.m_u2.y);
+ bA.m_sweep.c.x += bA.m_invMass * p1X;
+ bA.m_sweep.c.y += bA.m_invMass * p1Y;
+ bA.m_sweep.a += bA.m_invI * (r1X * p1Y - r1Y * p1X);
+ bB.m_sweep.c.x += bB.m_invMass * p2X;
+ bB.m_sweep.c.y += bB.m_invMass * p2Y;
+ bB.m_sweep.a += bB.m_invI * (r2X * p2Y - r2Y * p2X);
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ }
+ if (this.m_limitState1 == b2Joint.e_atUpperLimit) {
+ tMat = bA.m_xf.R;
+ r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ p1X = bA.m_sweep.c.x + r1X;
+ p1Y = bA.m_sweep.c.y + r1Y;
+ this.m_u1.Set(p1X - s1X, p1Y - s1Y);
+ length1 = this.m_u1.Length();
+ if (length1 > b2Settings.b2_linearSlop) {
+ this.m_u1.x *= 1.0 / length1;
+ this.m_u1.y *= 1.0 / length1;
+ }
+ else {
+ this.m_u1.SetZero();
+ }
+ C = this.m_maxLength1 - length1;
+ linearError = b2Math.Max(linearError, (-C));
+ C = b2Math.Clamp(C + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
+ impulse = (-this.m_limitMass1 * C);
+ p1X = (-impulse * this.m_u1.x);
+ p1Y = (-impulse * this.m_u1.y);
+ bA.m_sweep.c.x += bA.m_invMass * p1X;
+ bA.m_sweep.c.y += bA.m_invMass * p1Y;
+ bA.m_sweep.a += bA.m_invI * (r1X * p1Y - r1Y * p1X);
+ bA.SynchronizeTransform();
+ }
+ if (this.m_limitState2 == b2Joint.e_atUpperLimit) {
+ tMat = bB.m_xf.R;
+ r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ p2X = bB.m_sweep.c.x + r2X;
+ p2Y = bB.m_sweep.c.y + r2Y;
+ this.m_u2.Set(p2X - s2X, p2Y - s2Y);
+ length2 = this.m_u2.Length();
+ if (length2 > b2Settings.b2_linearSlop) {
+ this.m_u2.x *= 1.0 / length2;
+ this.m_u2.y *= 1.0 / length2;
+ }
+ else {
+ this.m_u2.SetZero();
+ }
+ C = this.m_maxLength2 - length2;
+ linearError = b2Math.Max(linearError, (-C));
+ C = b2Math.Clamp(C + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
+ impulse = (-this.m_limitMass2 * C);
+ p2X = (-impulse * this.m_u2.x);
+ p2Y = (-impulse * this.m_u2.y);
+ bB.m_sweep.c.x += bB.m_invMass * p2X;
+ bB.m_sweep.c.y += bB.m_invMass * p2Y;
+ bB.m_sweep.a += bB.m_invI * (r2X * p2Y - r2Y * p2X);
+ bB.SynchronizeTransform();
+ }
+ return linearError < b2Settings.b2_linearSlop;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.Joints.b2PulleyJoint.b2_minPulleyLength = 2.0;
+ });
+ Box2D.inherit(b2PulleyJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2PulleyJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2PulleyJointDef.b2PulleyJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.groundAnchorA = new b2Vec2();
+ this.groundAnchorB = new b2Vec2();
+ this.localAnchorA = new b2Vec2();
+ this.localAnchorB = new b2Vec2();
+ };
+ b2PulleyJointDef.prototype.b2PulleyJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_pulleyJoint;
+ this.groundAnchorA.Set((-1.0), 1.0);
+ this.groundAnchorB.Set(1.0, 1.0);
+ this.localAnchorA.Set((-1.0), 0.0);
+ this.localAnchorB.Set(1.0, 0.0);
+ this.lengthA = 0.0;
+ this.maxLengthA = 0.0;
+ this.lengthB = 0.0;
+ this.maxLengthB = 0.0;
+ this.ratio = 1.0;
+ this.collideConnected = true;
+ }
+ b2PulleyJointDef.prototype.Initialize = function (bA, bB, gaA, gaB, anchorA, anchorB, r) {
+ if (r === undefined) r = 0;
+ this.bodyA = bA;
+ this.bodyB = bB;
+ this.groundAnchorA.SetV(gaA);
+ this.groundAnchorB.SetV(gaB);
+ this.localAnchorA = this.bodyA.GetLocalPoint(anchorA);
+ this.localAnchorB = this.bodyB.GetLocalPoint(anchorB);
+ var d1X = anchorA.x - gaA.x;
+ var d1Y = anchorA.y - gaA.y;
+ this.lengthA = Math.sqrt(d1X * d1X + d1Y * d1Y);
+ var d2X = anchorB.x - gaB.x;
+ var d2Y = anchorB.y - gaB.y;
+ this.lengthB = Math.sqrt(d2X * d2X + d2Y * d2Y);
+ this.ratio = r;
+ var C = this.lengthA + this.ratio * this.lengthB;
+ this.maxLengthA = C - this.ratio * b2PulleyJoint.b2_minPulleyLength;
+ this.maxLengthB = (C - b2PulleyJoint.b2_minPulleyLength) / this.ratio;
+ }
+ Box2D.inherit(b2RevoluteJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2RevoluteJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2RevoluteJoint.b2RevoluteJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.K = new b2Mat22();
+ this.K1 = new b2Mat22();
+ this.K2 = new b2Mat22();
+ this.K3 = new b2Mat22();
+ this.impulse3 = new b2Vec3();
+ this.impulse2 = new b2Vec2();
+ this.reduced = new b2Vec2();
+ this.m_localAnchor1 = new b2Vec2();
+ this.m_localAnchor2 = new b2Vec2();
+ this.m_impulse = new b2Vec3();
+ this.m_mass = new b2Mat33();
+ };
+ b2RevoluteJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
+ }
+ b2RevoluteJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
+ }
+ b2RevoluteJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * this.m_impulse.x, inv_dt * this.m_impulse.y);
+ }
+ b2RevoluteJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return inv_dt * this.m_impulse.z;
+ }
+ b2RevoluteJoint.prototype.GetJointAngle = function () {
+ return this.m_bodyB.m_sweep.a - this.m_bodyA.m_sweep.a - this.m_referenceAngle;
+ }
+ b2RevoluteJoint.prototype.GetJointSpeed = function () {
+ return this.m_bodyB.m_angularVelocity - this.m_bodyA.m_angularVelocity;
+ }
+ b2RevoluteJoint.prototype.IsLimitEnabled = function () {
+ return this.m_enableLimit;
+ }
+ b2RevoluteJoint.prototype.EnableLimit = function (flag) {
+ this.m_enableLimit = flag;
+ }
+ b2RevoluteJoint.prototype.GetLowerLimit = function () {
+ return this.m_lowerAngle;
+ }
+ b2RevoluteJoint.prototype.GetUpperLimit = function () {
+ return this.m_upperAngle;
+ }
+ b2RevoluteJoint.prototype.SetLimits = function (lower, upper) {
+ if (lower === undefined) lower = 0;
+ if (upper === undefined) upper = 0;
+ this.m_lowerAngle = lower;
+ this.m_upperAngle = upper;
+ }
+ b2RevoluteJoint.prototype.IsMotorEnabled = function () {
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ return this.m_enableMotor;
+ }
+ b2RevoluteJoint.prototype.EnableMotor = function (flag) {
+ this.m_enableMotor = flag;
+ }
+ b2RevoluteJoint.prototype.SetMotorSpeed = function (speed) {
+ if (speed === undefined) speed = 0;
+ this.m_bodyA.SetAwake(true);
+ this.m_bodyB.SetAwake(true);
+ this.m_motorSpeed = speed;
+ }
+ b2RevoluteJoint.prototype.GetMotorSpeed = function () {
+ return this.m_motorSpeed;
+ }
+ b2RevoluteJoint.prototype.SetMaxMotorTorque = function (torque) {
+ if (torque === undefined) torque = 0;
+ this.m_maxMotorTorque = torque;
+ }
+ b2RevoluteJoint.prototype.GetMotorTorque = function () {
+ return this.m_maxMotorTorque;
+ }
+ b2RevoluteJoint.prototype.b2RevoluteJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ this.m_localAnchor1.SetV(def.localAnchorA);
+ this.m_localAnchor2.SetV(def.localAnchorB);
+ this.m_referenceAngle = def.referenceAngle;
+ this.m_impulse.SetZero();
+ this.m_motorImpulse = 0.0;
+ this.m_lowerAngle = def.lowerAngle;
+ this.m_upperAngle = def.upperAngle;
+ this.m_maxMotorTorque = def.maxMotorTorque;
+ this.m_motorSpeed = def.motorSpeed;
+ this.m_enableLimit = def.enableLimit;
+ this.m_enableMotor = def.enableMotor;
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ }
+ b2RevoluteJoint.prototype.InitVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ var tX = 0;
+ if (this.m_enableMotor || this.m_enableLimit) {}
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var m1 = bA.m_invMass;
+ var m2 = bB.m_invMass;
+ var i1 = bA.m_invI;
+ var i2 = bB.m_invI;
+ this.m_mass.col1.x = m1 + m2 + r1Y * r1Y * i1 + r2Y * r2Y * i2;
+ this.m_mass.col2.x = (-r1Y * r1X * i1) - r2Y * r2X * i2;
+ this.m_mass.col3.x = (-r1Y * i1) - r2Y * i2;
+ this.m_mass.col1.y = this.m_mass.col2.x;
+ this.m_mass.col2.y = m1 + m2 + r1X * r1X * i1 + r2X * r2X * i2;
+ this.m_mass.col3.y = r1X * i1 + r2X * i2;
+ this.m_mass.col1.z = this.m_mass.col3.x;
+ this.m_mass.col2.z = this.m_mass.col3.y;
+ this.m_mass.col3.z = i1 + i2;
+ this.m_motorMass = 1.0 / (i1 + i2);
+ if (this.m_enableMotor == false) {
+ this.m_motorImpulse = 0.0;
+ }
+ if (this.m_enableLimit) {
+ var jointAngle = bB.m_sweep.a - bA.m_sweep.a - this.m_referenceAngle;
+ if (b2Math.Abs(this.m_upperAngle - this.m_lowerAngle) < 2.0 * b2Settings.b2_angularSlop) {
+ this.m_limitState = b2Joint.e_equalLimits;
+ }
+ else if (jointAngle <= this.m_lowerAngle) {
+ if (this.m_limitState != b2Joint.e_atLowerLimit) {
+ this.m_impulse.z = 0.0;
+ }
+ this.m_limitState = b2Joint.e_atLowerLimit;
+ }
+ else if (jointAngle >= this.m_upperAngle) {
+ if (this.m_limitState != b2Joint.e_atUpperLimit) {
+ this.m_impulse.z = 0.0;
+ }
+ this.m_limitState = b2Joint.e_atUpperLimit;
+ }
+ else {
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ this.m_impulse.z = 0.0;
+ }
+ }
+ else {
+ this.m_limitState = b2Joint.e_inactiveLimit;
+ }
+ if (step.warmStarting) {
+ this.m_impulse.x *= step.dtRatio;
+ this.m_impulse.y *= step.dtRatio;
+ this.m_motorImpulse *= step.dtRatio;
+ var PX = this.m_impulse.x;
+ var PY = this.m_impulse.y;
+ bA.m_linearVelocity.x -= m1 * PX;
+ bA.m_linearVelocity.y -= m1 * PY;
+ bA.m_angularVelocity -= i1 * ((r1X * PY - r1Y * PX) + this.m_motorImpulse + this.m_impulse.z);
+ bB.m_linearVelocity.x += m2 * PX;
+ bB.m_linearVelocity.y += m2 * PY;
+ bB.m_angularVelocity += i2 * ((r2X * PY - r2Y * PX) + this.m_motorImpulse + this.m_impulse.z);
+ }
+ else {
+ this.m_impulse.SetZero();
+ this.m_motorImpulse = 0.0;
+ }
+ }
+ b2RevoluteJoint.prototype.SolveVelocityConstraints = function (step) {
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var tMat;
+ var tX = 0;
+ var newImpulse = 0;
+ var r1X = 0;
+ var r1Y = 0;
+ var r2X = 0;
+ var r2Y = 0;
+ var v1 = bA.m_linearVelocity;
+ var w1 = bA.m_angularVelocity;
+ var v2 = bB.m_linearVelocity;
+ var w2 = bB.m_angularVelocity;
+ var m1 = bA.m_invMass;
+ var m2 = bB.m_invMass;
+ var i1 = bA.m_invI;
+ var i2 = bB.m_invI;
+ if (this.m_enableMotor && this.m_limitState != b2Joint.e_equalLimits) {
+ var Cdot = w2 - w1 - this.m_motorSpeed;
+ var impulse = this.m_motorMass * ((-Cdot));
+ var oldImpulse = this.m_motorImpulse;
+ var maxImpulse = step.dt * this.m_maxMotorTorque;
+ this.m_motorImpulse = b2Math.Clamp(this.m_motorImpulse + impulse, (-maxImpulse), maxImpulse);
+ impulse = this.m_motorImpulse - oldImpulse;
+ w1 -= i1 * impulse;
+ w2 += i2 * impulse;
+ }
+ if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
+ tMat = bA.m_xf.R;
+ r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var Cdot1X = v2.x + ((-w2 * r2Y)) - v1.x - ((-w1 * r1Y));
+ var Cdot1Y = v2.y + (w2 * r2X) - v1.y - (w1 * r1X);
+ var Cdot2 = w2 - w1;
+ this.m_mass.Solve33(this.impulse3, (-Cdot1X), (-Cdot1Y), (-Cdot2));
+ if (this.m_limitState == b2Joint.e_equalLimits) {
+ this.m_impulse.Add(this.impulse3);
+ }
+ else if (this.m_limitState == b2Joint.e_atLowerLimit) {
+ newImpulse = this.m_impulse.z + this.impulse3.z;
+ if (newImpulse < 0.0) {
+ this.m_mass.Solve22(this.reduced, (-Cdot1X), (-Cdot1Y));
+ this.impulse3.x = this.reduced.x;
+ this.impulse3.y = this.reduced.y;
+ this.impulse3.z = (-this.m_impulse.z);
+ this.m_impulse.x += this.reduced.x;
+ this.m_impulse.y += this.reduced.y;
+ this.m_impulse.z = 0.0;
+ }
+ }
+ else if (this.m_limitState == b2Joint.e_atUpperLimit) {
+ newImpulse = this.m_impulse.z + this.impulse3.z;
+ if (newImpulse > 0.0) {
+ this.m_mass.Solve22(this.reduced, (-Cdot1X), (-Cdot1Y));
+ this.impulse3.x = this.reduced.x;
+ this.impulse3.y = this.reduced.y;
+ this.impulse3.z = (-this.m_impulse.z);
+ this.m_impulse.x += this.reduced.x;
+ this.m_impulse.y += this.reduced.y;
+ this.m_impulse.z = 0.0;
+ }
+ }
+ v1.x -= m1 * this.impulse3.x;
+ v1.y -= m1 * this.impulse3.y;
+ w1 -= i1 * (r1X * this.impulse3.y - r1Y * this.impulse3.x + this.impulse3.z);
+ v2.x += m2 * this.impulse3.x;
+ v2.y += m2 * this.impulse3.y;
+ w2 += i2 * (r2X * this.impulse3.y - r2Y * this.impulse3.x + this.impulse3.z);
+ }
+ else {
+ tMat = bA.m_xf.R;
+ r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var CdotX = v2.x + ((-w2 * r2Y)) - v1.x - ((-w1 * r1Y));
+ var CdotY = v2.y + (w2 * r2X) - v1.y - (w1 * r1X);
+ this.m_mass.Solve22(this.impulse2, (-CdotX), (-CdotY));
+ this.m_impulse.x += this.impulse2.x;
+ this.m_impulse.y += this.impulse2.y;
+ v1.x -= m1 * this.impulse2.x;
+ v1.y -= m1 * this.impulse2.y;
+ w1 -= i1 * (r1X * this.impulse2.y - r1Y * this.impulse2.x);
+ v2.x += m2 * this.impulse2.x;
+ v2.y += m2 * this.impulse2.y;
+ w2 += i2 * (r2X * this.impulse2.y - r2Y * this.impulse2.x);
+ }
+ bA.m_linearVelocity.SetV(v1);
+ bA.m_angularVelocity = w1;
+ bB.m_linearVelocity.SetV(v2);
+ bB.m_angularVelocity = w2;
+ }
+ b2RevoluteJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var oldLimitImpulse = 0;
+ var C = 0;
+ var tMat;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var angularError = 0.0;
+ var positionError = 0.0;
+ var tX = 0;
+ var impulseX = 0;
+ var impulseY = 0;
+ if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
+ var angle = bB.m_sweep.a - bA.m_sweep.a - this.m_referenceAngle;
+ var limitImpulse = 0.0;
+ if (this.m_limitState == b2Joint.e_equalLimits) {
+ C = b2Math.Clamp(angle - this.m_lowerAngle, (-b2Settings.b2_maxAngularCorrection), b2Settings.b2_maxAngularCorrection);
+ limitImpulse = (-this.m_motorMass * C);
+ angularError = b2Math.Abs(C);
+ }
+ else if (this.m_limitState == b2Joint.e_atLowerLimit) {
+ C = angle - this.m_lowerAngle;
+ angularError = (-C);
+ C = b2Math.Clamp(C + b2Settings.b2_angularSlop, (-b2Settings.b2_maxAngularCorrection), 0.0);
+ limitImpulse = (-this.m_motorMass * C);
+ }
+ else if (this.m_limitState == b2Joint.e_atUpperLimit) {
+ C = angle - this.m_upperAngle;
+ angularError = C;
+ C = b2Math.Clamp(C - b2Settings.b2_angularSlop, 0.0, b2Settings.b2_maxAngularCorrection);
+ limitImpulse = (-this.m_motorMass * C);
+ }
+ bA.m_sweep.a -= bA.m_invI * limitImpulse;
+ bB.m_sweep.a += bB.m_invI * limitImpulse;
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ } {
+ tMat = bA.m_xf.R;
+ var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
+ var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
+ r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
+ r1X = tX;
+ tMat = bB.m_xf.R;
+ var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
+ var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
+ r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
+ r2X = tX;
+ var CX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
+ var CY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
+ var CLengthSquared = CX * CX + CY * CY;
+ var CLength = Math.sqrt(CLengthSquared);
+ positionError = CLength;
+ var invMass1 = bA.m_invMass;
+ var invMass2 = bB.m_invMass;
+ var invI1 = bA.m_invI;
+ var invI2 = bB.m_invI;
+ var k_allowedStretch = 10.0 * b2Settings.b2_linearSlop;
+ if (CLengthSquared > k_allowedStretch * k_allowedStretch) {
+ var uX = CX / CLength;
+ var uY = CY / CLength;
+ var k = invMass1 + invMass2;
+ var m = 1.0 / k;
+ impulseX = m * ((-CX));
+ impulseY = m * ((-CY));
+ var k_beta = 0.5;
+ bA.m_sweep.c.x -= k_beta * invMass1 * impulseX;
+ bA.m_sweep.c.y -= k_beta * invMass1 * impulseY;
+ bB.m_sweep.c.x += k_beta * invMass2 * impulseX;
+ bB.m_sweep.c.y += k_beta * invMass2 * impulseY;
+ CX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
+ CY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
+ }
+ this.K1.col1.x = invMass1 + invMass2;
+ this.K1.col2.x = 0.0;
+ this.K1.col1.y = 0.0;
+ this.K1.col2.y = invMass1 + invMass2;
+ this.K2.col1.x = invI1 * r1Y * r1Y;
+ this.K2.col2.x = (-invI1 * r1X * r1Y);
+ this.K2.col1.y = (-invI1 * r1X * r1Y);
+ this.K2.col2.y = invI1 * r1X * r1X;
+ this.K3.col1.x = invI2 * r2Y * r2Y;
+ this.K3.col2.x = (-invI2 * r2X * r2Y);
+ this.K3.col1.y = (-invI2 * r2X * r2Y);
+ this.K3.col2.y = invI2 * r2X * r2X;
+ this.K.SetM(this.K1);
+ this.K.AddM(this.K2);
+ this.K.AddM(this.K3);
+ this.K.Solve(b2RevoluteJoint.tImpulse, (-CX), (-CY));
+ impulseX = b2RevoluteJoint.tImpulse.x;
+ impulseY = b2RevoluteJoint.tImpulse.y;
+ bA.m_sweep.c.x -= bA.m_invMass * impulseX;
+ bA.m_sweep.c.y -= bA.m_invMass * impulseY;
+ bA.m_sweep.a -= bA.m_invI * (r1X * impulseY - r1Y * impulseX);
+ bB.m_sweep.c.x += bB.m_invMass * impulseX;
+ bB.m_sweep.c.y += bB.m_invMass * impulseY;
+ bB.m_sweep.a += bB.m_invI * (r2X * impulseY - r2Y * impulseX);
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ }
+ return positionError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
+ }
+ Box2D.postDefs.push(function () {
+ Box2D.Dynamics.Joints.b2RevoluteJoint.tImpulse = new b2Vec2();
+ });
+ Box2D.inherit(b2RevoluteJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2RevoluteJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2RevoluteJointDef.b2RevoluteJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.localAnchorA = new b2Vec2();
+ this.localAnchorB = new b2Vec2();
+ };
+ b2RevoluteJointDef.prototype.b2RevoluteJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_revoluteJoint;
+ this.localAnchorA.Set(0.0, 0.0);
+ this.localAnchorB.Set(0.0, 0.0);
+ this.referenceAngle = 0.0;
+ this.lowerAngle = 0.0;
+ this.upperAngle = 0.0;
+ this.maxMotorTorque = 0.0;
+ this.motorSpeed = 0.0;
+ this.enableLimit = false;
+ this.enableMotor = false;
+ }
+ b2RevoluteJointDef.prototype.Initialize = function (bA, bB, anchor) {
+ this.bodyA = bA;
+ this.bodyB = bB;
+ this.localAnchorA = this.bodyA.GetLocalPoint(anchor);
+ this.localAnchorB = this.bodyB.GetLocalPoint(anchor);
+ this.referenceAngle = this.bodyB.GetAngle() - this.bodyA.GetAngle();
+ }
+ Box2D.inherit(b2WeldJoint, Box2D.Dynamics.Joints.b2Joint);
+ b2WeldJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
+ b2WeldJoint.b2WeldJoint = function () {
+ Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
+ this.m_localAnchorA = new b2Vec2();
+ this.m_localAnchorB = new b2Vec2();
+ this.m_impulse = new b2Vec3();
+ this.m_mass = new b2Mat33();
+ };
+ b2WeldJoint.prototype.GetAnchorA = function () {
+ return this.m_bodyA.GetWorldPoint(this.m_localAnchorA);
+ }
+ b2WeldJoint.prototype.GetAnchorB = function () {
+ return this.m_bodyB.GetWorldPoint(this.m_localAnchorB);
+ }
+ b2WeldJoint.prototype.GetReactionForce = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return new b2Vec2(inv_dt * this.m_impulse.x, inv_dt * this.m_impulse.y);
+ }
+ b2WeldJoint.prototype.GetReactionTorque = function (inv_dt) {
+ if (inv_dt === undefined) inv_dt = 0;
+ return inv_dt * this.m_impulse.z;
+ }
+ b2WeldJoint.prototype.b2WeldJoint = function (def) {
+ this.__super.b2Joint.call(this, def);
+ this.m_localAnchorA.SetV(def.localAnchorA);
+ this.m_localAnchorB.SetV(def.localAnchorB);
+ this.m_referenceAngle = def.referenceAngle;
+ this.m_impulse.SetZero();
+ this.m_mass = new b2Mat33();
+ }
+ b2WeldJoint.prototype.InitVelocityConstraints = function (step) {
+ var tMat;
+ var tX = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ tMat = bA.m_xf.R;
+ var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
+ var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
+ rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
+ rAX = tX;
+ tMat = bB.m_xf.R;
+ var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
+ var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
+ rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
+ rBX = tX;
+ var mA = bA.m_invMass;
+ var mB = bB.m_invMass;
+ var iA = bA.m_invI;
+ var iB = bB.m_invI;
+ this.m_mass.col1.x = mA + mB + rAY * rAY * iA + rBY * rBY * iB;
+ this.m_mass.col2.x = (-rAY * rAX * iA) - rBY * rBX * iB;
+ this.m_mass.col3.x = (-rAY * iA) - rBY * iB;
+ this.m_mass.col1.y = this.m_mass.col2.x;
+ this.m_mass.col2.y = mA + mB + rAX * rAX * iA + rBX * rBX * iB;
+ this.m_mass.col3.y = rAX * iA + rBX * iB;
+ this.m_mass.col1.z = this.m_mass.col3.x;
+ this.m_mass.col2.z = this.m_mass.col3.y;
+ this.m_mass.col3.z = iA + iB;
+ if (step.warmStarting) {
+ this.m_impulse.x *= step.dtRatio;
+ this.m_impulse.y *= step.dtRatio;
+ this.m_impulse.z *= step.dtRatio;
+ bA.m_linearVelocity.x -= mA * this.m_impulse.x;
+ bA.m_linearVelocity.y -= mA * this.m_impulse.y;
+ bA.m_angularVelocity -= iA * (rAX * this.m_impulse.y - rAY * this.m_impulse.x + this.m_impulse.z);
+ bB.m_linearVelocity.x += mB * this.m_impulse.x;
+ bB.m_linearVelocity.y += mB * this.m_impulse.y;
+ bB.m_angularVelocity += iB * (rBX * this.m_impulse.y - rBY * this.m_impulse.x + this.m_impulse.z);
+ }
+ else {
+ this.m_impulse.SetZero();
+ }
+ }
+ b2WeldJoint.prototype.SolveVelocityConstraints = function (step) {
+ var tMat;
+ var tX = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ var vA = bA.m_linearVelocity;
+ var wA = bA.m_angularVelocity;
+ var vB = bB.m_linearVelocity;
+ var wB = bB.m_angularVelocity;
+ var mA = bA.m_invMass;
+ var mB = bB.m_invMass;
+ var iA = bA.m_invI;
+ var iB = bB.m_invI;
+ tMat = bA.m_xf.R;
+ var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
+ var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
+ rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
+ rAX = tX;
+ tMat = bB.m_xf.R;
+ var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
+ var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
+ rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
+ rBX = tX;
+ var Cdot1X = vB.x - wB * rBY - vA.x + wA * rAY;
+ var Cdot1Y = vB.y + wB * rBX - vA.y - wA * rAX;
+ var Cdot2 = wB - wA;
+ var impulse = new b2Vec3();
+ this.m_mass.Solve33(impulse, (-Cdot1X), (-Cdot1Y), (-Cdot2));
+ this.m_impulse.Add(impulse);
+ vA.x -= mA * impulse.x;
+ vA.y -= mA * impulse.y;
+ wA -= iA * (rAX * impulse.y - rAY * impulse.x + impulse.z);
+ vB.x += mB * impulse.x;
+ vB.y += mB * impulse.y;
+ wB += iB * (rBX * impulse.y - rBY * impulse.x + impulse.z);
+ bA.m_angularVelocity = wA;
+ bB.m_angularVelocity = wB;
+ }
+ b2WeldJoint.prototype.SolvePositionConstraints = function (baumgarte) {
+ if (baumgarte === undefined) baumgarte = 0;
+ var tMat;
+ var tX = 0;
+ var bA = this.m_bodyA;
+ var bB = this.m_bodyB;
+ tMat = bA.m_xf.R;
+ var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
+ var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
+ rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
+ rAX = tX;
+ tMat = bB.m_xf.R;
+ var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
+ var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
+ tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
+ rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
+ rBX = tX;
+ var mA = bA.m_invMass;
+ var mB = bB.m_invMass;
+ var iA = bA.m_invI;
+ var iB = bB.m_invI;
+ var C1X = bB.m_sweep.c.x + rBX - bA.m_sweep.c.x - rAX;
+ var C1Y = bB.m_sweep.c.y + rBY - bA.m_sweep.c.y - rAY;
+ var C2 = bB.m_sweep.a - bA.m_sweep.a - this.m_referenceAngle;
+ var k_allowedStretch = 10.0 * b2Settings.b2_linearSlop;
+ var positionError = Math.sqrt(C1X * C1X + C1Y * C1Y);
+ var angularError = b2Math.Abs(C2);
+ if (positionError > k_allowedStretch) {
+ iA *= 1.0;
+ iB *= 1.0;
+ }
+ this.m_mass.col1.x = mA + mB + rAY * rAY * iA + rBY * rBY * iB;
+ this.m_mass.col2.x = (-rAY * rAX * iA) - rBY * rBX * iB;
+ this.m_mass.col3.x = (-rAY * iA) - rBY * iB;
+ this.m_mass.col1.y = this.m_mass.col2.x;
+ this.m_mass.col2.y = mA + mB + rAX * rAX * iA + rBX * rBX * iB;
+ this.m_mass.col3.y = rAX * iA + rBX * iB;
+ this.m_mass.col1.z = this.m_mass.col3.x;
+ this.m_mass.col2.z = this.m_mass.col3.y;
+ this.m_mass.col3.z = iA + iB;
+ var impulse = new b2Vec3();
+ this.m_mass.Solve33(impulse, (-C1X), (-C1Y), (-C2));
+ bA.m_sweep.c.x -= mA * impulse.x;
+ bA.m_sweep.c.y -= mA * impulse.y;
+ bA.m_sweep.a -= iA * (rAX * impulse.y - rAY * impulse.x + impulse.z);
+ bB.m_sweep.c.x += mB * impulse.x;
+ bB.m_sweep.c.y += mB * impulse.y;
+ bB.m_sweep.a += iB * (rBX * impulse.y - rBY * impulse.x + impulse.z);
+ bA.SynchronizeTransform();
+ bB.SynchronizeTransform();
+ return positionError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
+ }
+ Box2D.inherit(b2WeldJointDef, Box2D.Dynamics.Joints.b2JointDef);
+ b2WeldJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
+ b2WeldJointDef.b2WeldJointDef = function () {
+ Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
+ this.localAnchorA = new b2Vec2();
+ this.localAnchorB = new b2Vec2();
+ };
+ b2WeldJointDef.prototype.b2WeldJointDef = function () {
+ this.__super.b2JointDef.call(this);
+ this.type = b2Joint.e_weldJoint;
+ this.referenceAngle = 0.0;
+ }
+ b2WeldJointDef.prototype.Initialize = function (bA, bB, anchor) {
+ this.bodyA = bA;
+ this.bodyB = bB;
+ this.localAnchorA.SetV(this.bodyA.GetLocalPoint(anchor));
+ this.localAnchorB.SetV(this.bodyB.GetLocalPoint(anchor));
+ this.referenceAngle = this.bodyB.GetAngle() - this.bodyA.GetAngle();
+ }
+})();
+(function () {
+ var b2DebugDraw = Box2D.Dynamics.b2DebugDraw;
+ b2DebugDraw.b2DebugDraw = function () {
+ this.m_drawScale = 1.0;
+ this.m_lineThickness = 1.0;
+ this.m_alpha = 1.0;
+ this.m_fillAlpha = 1.0;
+ this.m_xformScale = 1.0;
+ var __this = this;
+ //#WORKAROUND
+ this.m_sprite = {
+ graphics: {
+ clear: function () {
+ __this.m_ctx.clearRect(0, 0, __this.m_ctx.canvas.width, __this.m_ctx.canvas.height)
+ }
+ }
+ };
+ };
+ b2DebugDraw.prototype._color = function (color, alpha) {
+ return "rgba(" + ((color & 0xFF0000) >> 16) + "," + ((color & 0xFF00) >> 8) + "," + (color & 0xFF) + "," + alpha + ")";
+ };
+ b2DebugDraw.prototype.b2DebugDraw = function () {
+ this.m_drawFlags = 0;
+ };
+ b2DebugDraw.prototype.SetFlags = function (flags) {
+ if (flags === undefined) flags = 0;
+ this.m_drawFlags = flags;
+ };
+ b2DebugDraw.prototype.GetFlags = function () {
+ return this.m_drawFlags;
+ };
+ b2DebugDraw.prototype.AppendFlags = function (flags) {
+ if (flags === undefined) flags = 0;
+ this.m_drawFlags |= flags;
+ };
+ b2DebugDraw.prototype.ClearFlags = function (flags) {
+ if (flags === undefined) flags = 0;
+ this.m_drawFlags &= ~flags;
+ };
+ b2DebugDraw.prototype.SetSprite = function (sprite) {
+ this.m_ctx = sprite;
+ };
+ b2DebugDraw.prototype.GetSprite = function () {
+ return this.m_ctx;
+ };
+ b2DebugDraw.prototype.SetDrawScale = function (drawScale) {
+ if (drawScale === undefined) drawScale = 0;
+ this.m_drawScale = drawScale;
+ };
+ b2DebugDraw.prototype.GetDrawScale = function () {
+ return this.m_drawScale;
+ };
+ b2DebugDraw.prototype.SetLineThickness = function (lineThickness) {
+ if (lineThickness === undefined) lineThickness = 0;
+ this.m_lineThickness = lineThickness;
+ this.m_ctx.strokeWidth = lineThickness;
+ };
+ b2DebugDraw.prototype.GetLineThickness = function () {
+ return this.m_lineThickness;
+ };
+ b2DebugDraw.prototype.SetAlpha = function (alpha) {
+ if (alpha === undefined) alpha = 0;
+ this.m_alpha = alpha;
+ };
+ b2DebugDraw.prototype.GetAlpha = function () {
+ return this.m_alpha;
+ };
+ b2DebugDraw.prototype.SetFillAlpha = function (alpha) {
+ if (alpha === undefined) alpha = 0;
+ this.m_fillAlpha = alpha;
+ };
+ b2DebugDraw.prototype.GetFillAlpha = function () {
+ return this.m_fillAlpha;
+ };
+ b2DebugDraw.prototype.SetXFormScale = function (xformScale) {
+ if (xformScale === undefined) xformScale = 0;
+ this.m_xformScale = xformScale;
+ };
+ b2DebugDraw.prototype.GetXFormScale = function () {
+ return this.m_xformScale;
+ };
+ b2DebugDraw.prototype.DrawPolygon = function (vertices, vertexCount, color) {
+ if (!vertexCount) return;
+ var s = this.m_ctx;
+ var drawScale = this.m_drawScale;
+ s.beginPath();
+ s.strokeStyle = this._color(color.color, this.m_alpha);
+ s.moveTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
+ for (var i = 1; i < vertexCount; i++) {
+ s.lineTo(vertices[i].x * drawScale, vertices[i].y * drawScale);
+ }
+ s.lineTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
+ s.closePath();
+ s.stroke();
+ };
+ b2DebugDraw.prototype.DrawSolidPolygon = function (vertices, vertexCount, color) {
+ if (!vertexCount) return;
+ var s = this.m_ctx;
+ var drawScale = this.m_drawScale;
+ s.beginPath();
+ s.strokeStyle = this._color(color.color, this.m_alpha);
+ s.fillStyle = this._color(color.color, this.m_fillAlpha);
+ s.moveTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
+ for (var i = 1; i < vertexCount; i++) {
+ s.lineTo(vertices[i].x * drawScale, vertices[i].y * drawScale);
+ }
+ s.lineTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
+ s.closePath();
+ s.fill();
+ s.stroke();
+ };
+ b2DebugDraw.prototype.DrawCircle = function (center, radius, color) {
+ if (!radius) return;
+ var s = this.m_ctx;
+ var drawScale = this.m_drawScale;
+ s.beginPath();
+ s.strokeStyle = this._color(color.color, this.m_alpha);
+ s.arc(center.x * drawScale, center.y * drawScale, radius * drawScale, 0, Math.PI * 2, true);
+ s.closePath();
+ s.stroke();
+ };
+ b2DebugDraw.prototype.DrawSolidCircle = function (center, radius, axis, color) {
+ if (!radius) return;
+ var s = this.m_ctx,
+ drawScale = this.m_drawScale,
+ cx = center.x * drawScale,
+ cy = center.y * drawScale;
+ s.moveTo(0, 0);
+ s.beginPath();
+ s.strokeStyle = this._color(color.color, this.m_alpha);
+ s.fillStyle = this._color(color.color, this.m_fillAlpha);
+ s.arc(cx, cy, radius * drawScale, 0, Math.PI * 2, true);
+ s.moveTo(cx, cy);
+ s.lineTo((center.x + axis.x * radius) * drawScale, (center.y + axis.y * radius) * drawScale);
+ s.closePath();
+ s.fill();
+ s.stroke();
+ };
+ b2DebugDraw.prototype.DrawSegment = function (p1, p2, color) {
+ var s = this.m_ctx,
+ drawScale = this.m_drawScale;
+ s.strokeStyle = this._color(color.color, this.m_alpha);
+ s.beginPath();
+ s.moveTo(p1.x * drawScale, p1.y * drawScale);
+ s.lineTo(p2.x * drawScale, p2.y * drawScale);
+ s.closePath();
+ s.stroke();
+ };
+ b2DebugDraw.prototype.DrawTransform = function (xf) {
+ var s = this.m_ctx,
+ drawScale = this.m_drawScale;
+ s.beginPath();
+ s.strokeStyle = this._color(0xff0000, this.m_alpha);
+ s.moveTo(xf.position.x * drawScale, xf.position.y * drawScale);
+ s.lineTo((xf.position.x + this.m_xformScale * xf.R.col1.x) * drawScale, (xf.position.y + this.m_xformScale * xf.R.col1.y) * drawScale);
+
+ s.strokeStyle = this._color(0xff00, this.m_alpha);
+ s.moveTo(xf.position.x * drawScale, xf.position.y * drawScale);
+ s.lineTo((xf.position.x + this.m_xformScale * xf.R.col2.x) * drawScale, (xf.position.y + this.m_xformScale * xf.R.col2.y) * drawScale);
+ s.closePath();
+ s.stroke();
+ };
+})(); //post-definitions
+var i;
+for (i = 0; i < Box2D.postDefs.length; ++i) Box2D.postDefs[i]();
+delete Box2D.postDefs;
\ No newline at end of file
diff --git a/lib/Box2d/Box2dWeb-2.1.a.3.min.js b/lib/Box2d/Box2dWeb-2.1.a.3.min.js
new file mode 100755
index 0000000..f005184
--- /dev/null
+++ b/lib/Box2d/Box2dWeb-2.1.a.3.min.js
@@ -0,0 +1,445 @@
+var Box2D={};
+(function(F,G){function K(){}if(!(Object.prototype.defineProperty instanceof Function)&&Object.prototype.__defineGetter__ instanceof Function&&Object.prototype.__defineSetter__ instanceof Function)Object.defineProperty=function(y,w,A){A.get instanceof Function&&y.__defineGetter__(w,A.get);A.set instanceof Function&&y.__defineSetter__(w,A.set)};F.inherit=function(y,w){K.prototype=w.prototype;y.prototype=new K;y.prototype.constructor=y};F.generateCallback=function(y,w){return function(){w.apply(y,arguments)}};
+F.NVector=function(y){if(y===G)y=0;for(var w=Array(y||0),A=0;A=0&&b>=0)&&this.lowerBound.IsValid()&&this.upperBound.IsValid()};B.prototype.GetCenter=function(){return new p((this.lowerBound.x+
+this.upperBound.x)/2,(this.lowerBound.y+this.upperBound.y)/2)};B.prototype.GetExtents=function(){return new p((this.upperBound.x-this.lowerBound.x)/2,(this.upperBound.y-this.lowerBound.y)/2)};B.prototype.Contains=function(b){var e=true;return e=(e=(e=(e=e&&this.lowerBound.x<=b.lowerBound.x)&&this.lowerBound.y<=b.lowerBound.y)&&b.upperBound.x<=this.upperBound.x)&&b.upperBound.y<=this.upperBound.y};B.prototype.RayCast=function(b,e){var f=-Number.MAX_VALUE,m=Number.MAX_VALUE,r=e.p1.x,s=e.p1.y,v=e.p2.x-
+e.p1.x,t=e.p2.y-e.p1.y,x=Math.abs(t),C=b.normal,J=0,T=0,P=J=0;P=0;if(Math.abs(v)J){P=T;T=J;J=P;P=1}if(T>f){C.x=P;C.y=0;f=T}m=Math.min(m,J);if(f>m)return false}if(xJ){P=T;T=J;J=P;P=1}if(T>f){C.y=P;C.x=0;f=
+T}m=Math.min(m,J);if(f>m)return false}b.fraction=f;return true};B.prototype.TestOverlap=function(b){var e=b.lowerBound.y-this.upperBound.y,f=this.lowerBound.y-b.upperBound.y;if(b.lowerBound.x-this.upperBound.x>0||e>0)return false;if(this.lowerBound.x-b.upperBound.x>0||f>0)return false;return true};B.Combine=function(b,e){var f=new B;f.Combine(b,e);return f};B.prototype.Combine=function(b,e){this.lowerBound.x=Math.min(b.lowerBound.x,e.lowerBound.x);this.lowerBound.y=Math.min(b.lowerBound.y,e.lowerBound.y);
+this.upperBound.x=Math.max(b.upperBound.x,e.upperBound.x);this.upperBound.y=Math.max(b.upperBound.y,e.upperBound.y)};Q.b2Bound=function(){};Q.prototype.IsLower=function(){return(this.value&1)==0};Q.prototype.IsUpper=function(){return(this.value&1)==1};Q.prototype.Swap=function(b){var e=this.value,f=this.proxy,m=this.stabbingCount;this.value=b.value;this.proxy=b.proxy;this.stabbingCount=b.stabbingCount;b.value=e;b.proxy=f;b.stabbingCount=m};V.b2BoundValues=function(){};V.prototype.b2BoundValues=function(){this.lowerValues=
+new Vector_a2j_Number;this.lowerValues[0]=0;this.lowerValues[1]=0;this.upperValues=new Vector_a2j_Number;this.upperValues[0]=0;this.upperValues[1]=0};M.b2Collision=function(){};M.ClipSegmentToLine=function(b,e,f,m){if(m===undefined)m=0;var r,s=0;r=e[0];var v=r.v;r=e[1];var t=r.v,x=f.x*v.x+f.y*v.y-m;r=f.x*t.x+f.y*t.y-m;x<=0&&b[s++].Set(e[0]);r<=0&&b[s++].Set(e[1]);if(x*r<0){f=x/(x-r);r=b[s];r=r.v;r.x=v.x+f*(t.x-v.x);r.y=v.y+f*(t.y-v.y);r=b[s];r.id=(x>0?e[0]:e[1]).id;++s}return s};M.EdgeSeparation=
+function(b,e,f,m,r){if(f===undefined)f=0;parseInt(b.m_vertexCount);var s=b.m_vertices;b=b.m_normals;var v=parseInt(m.m_vertexCount),t=m.m_vertices,x,C;x=e.R;C=b[f];b=x.col1.x*C.x+x.col2.x*C.y;m=x.col1.y*C.x+x.col2.y*C.y;x=r.R;var J=x.col1.x*b+x.col1.y*m;x=x.col2.x*b+x.col2.y*m;for(var T=0,P=Number.MAX_VALUE,X=0;XT){T=t;C=P}}v=M.EdgeSeparation(e,f,C,m,r);t=parseInt(C-1>=0?C-1:s-1);x=M.EdgeSeparation(e,f,t,m,r);J=parseInt(C+1v&&x>T){$=-1;P=t;X=x}else if(T>v){$=1;P=J;X=T}else{b[0]=C;return v}for(;;){C=$==-1?P-1>=0?P-1:s-1:P+1X){P=C;X=v}else break}b[0]=P;return X};M.FindIncidentEdge=function(b,e,f,m,r,s){if(m===undefined)m=0;parseInt(e.m_vertexCount);var v=e.m_normals,t=parseInt(r.m_vertexCount);
+e=r.m_vertices;r=r.m_normals;var x;x=f.R;f=v[m];v=x.col1.x*f.x+x.col2.x*f.y;var C=x.col1.y*f.x+x.col2.y*f.y;x=s.R;f=x.col1.x*v+x.col1.y*C;C=x.col2.x*v+x.col2.y*C;v=f;x=0;for(var J=Number.MAX_VALUE,T=0;Tv)){var x=0;M.s_edgeBO[0]=x;var C=M.FindMaxSeparation(M.s_edgeBO,
+m,r,e,f);x=M.s_edgeBO[0];if(!(C>v)){var J=0,T=0;if(C>0.98*t+0.0010){t=m;m=e;e=r;f=f;J=x;b.m_type=E.e_faceB;T=1}else{t=e;m=m;e=f;f=r;J=s;b.m_type=E.e_faceA;T=0}s=M.s_incidentEdge;M.FindIncidentEdge(s,t,e,J,m,f);x=parseInt(t.m_vertexCount);r=t.m_vertices;t=r[J];var P;P=J+1s*s)){b.m_type=E.e_circles;b.m_localPoint.SetV(e.m_p);b.m_localPlaneNormal.SetZero();b.m_pointCount=1;b.m_points[0].m_localPoint.SetV(m.m_p);b.m_points[0].m_id.key=0}};M.CollidePolygonAndCircle=function(b,e,f,m,r){var s=b.m_pointCount=0,v=0,t,x;x=r.R;t=m.m_p;var C=r.position.y+(x.col1.y*t.x+x.col2.y*t.y);s=r.position.x+(x.col1.x*t.x+x.col2.x*t.y)-f.position.x;v=C-f.position.y;x=f.R;f=s*
+x.col1.x+v*x.col1.y;x=s*x.col2.x+v*x.col2.y;var J=0;C=-Number.MAX_VALUE;r=e.m_radius+m.m_radius;var T=parseInt(e.m_vertexCount),P=e.m_vertices;e=e.m_normals;for(var X=0;Xr)return;if(s>C){C=s;J=X}}s=parseInt(J);v=parseInt(s+1r*r)return;b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.x=f-t.x;b.m_localPlaneNormal.y=x-t.y;b.m_localPlaneNormal.Normalize();b.m_localPoint.SetV(t)}else if(C<=0){if((f-P.x)*(f-P.x)+(x-P.y)*(x-P.y)>r*r)return;b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.x=f-P.x;b.m_localPlaneNormal.y=x-P.y;b.m_localPlaneNormal.Normalize();b.m_localPoint.SetV(P)}else{J=0.5*(t.x+P.x);t=0.5*(t.y+P.y);C=(f-J)*e[s].x+
+(x-t)*e[s].y;if(C>r)return;b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.x=e[s].x;b.m_localPlaneNormal.y=e[s].y;b.m_localPlaneNormal.Normalize();b.m_localPoint.Set(J,t)}}b.m_points[0].m_localPoint.SetV(m.m_p);b.m_points[0].m_id.key=0};M.TestOverlap=function(b,e){var f=e.lowerBound,m=b.upperBound,r=f.x-m.x,s=f.y-m.y;f=b.lowerBound;m=e.upperBound;var v=f.y-m.y;if(r>0||s>0)return false;if(f.x-m.x>0||v>0)return false;return true};Box2D.postDefs.push(function(){Box2D.Collision.b2Collision.s_incidentEdge=
+M.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints1=M.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints2=M.MakeClipPointVector();Box2D.Collision.b2Collision.s_edgeAO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_edgeBO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_localTangent=new p;Box2D.Collision.b2Collision.s_localNormal=new p;Box2D.Collision.b2Collision.s_planePoint=new p;Box2D.Collision.b2Collision.s_normal=new p;Box2D.Collision.b2Collision.s_tangent=
+new p;Box2D.Collision.b2Collision.s_tangent2=new p;Box2D.Collision.b2Collision.s_v11=new p;Box2D.Collision.b2Collision.s_v12=new p;Box2D.Collision.b2Collision.b2CollidePolyTempVec=new p;Box2D.Collision.b2Collision.b2_nullFeature=255});L.b2ContactID=function(){this.features=new c};L.prototype.b2ContactID=function(){this.features._m_id=this};L.prototype.Set=function(b){this.key=b._key};L.prototype.Copy=function(){var b=new L;b.key=this.key;return b};Object.defineProperty(L.prototype,"key",{enumerable:false,
+configurable:true,get:function(){return this._key}});Object.defineProperty(L.prototype,"key",{enumerable:false,configurable:true,set:function(b){if(b===undefined)b=0;this._key=b;this.features._referenceEdge=this._key&255;this.features._incidentEdge=(this._key&65280)>>8&255;this.features._incidentVertex=(this._key&16711680)>>16&255;this.features._flip=(this._key&4278190080)>>24&255}});I.b2ContactPoint=function(){this.position=new p;this.velocity=new p;this.normal=new p;this.id=new L};W.b2Distance=
+function(){};W.Distance=function(b,e,f){++W.b2_gjkCalls;var m=f.proxyA,r=f.proxyB,s=f.transformA,v=f.transformB,t=W.s_simplex;t.ReadCache(e,m,s,r,v);var x=t.m_vertices,C=W.s_saveA,J=W.s_saveB,T=0;t.GetClosestPoint().LengthSquared();for(var P=0,X,$=0;$<20;){T=t.m_count;for(P=0;Pe+r&&b.distance>Number.MIN_VALUE){b.distance-=e+r;f=w.SubtractVV(b.pointB,b.pointA);f.Normalize();b.pointA.x+=e*f.x;b.pointA.y+=e*f.y;b.pointB.x-=r*f.x;b.pointB.y-=r*f.y}else{X=new p;X.x=0.5*(b.pointA.x+b.pointB.x);X.y=0.5*(b.pointA.y+b.pointB.y);b.pointA.x=b.pointB.x=X.x;b.pointA.y=b.pointB.y=X.y;b.distance=0}}};Box2D.postDefs.push(function(){Box2D.Collision.b2Distance.s_simplex=new h;Box2D.Collision.b2Distance.s_saveA=
+new Vector_a2j_Number(3);Box2D.Collision.b2Distance.s_saveB=new Vector_a2j_Number(3)});Y.b2DistanceInput=function(){};k.b2DistanceOutput=function(){this.pointA=new p;this.pointB=new p};z.b2DistanceProxy=function(){};z.prototype.Set=function(b){switch(b.GetType()){case K.e_circleShape:b=b instanceof F?b:null;this.m_vertices=new Vector(1,true);this.m_vertices[0]=b.m_p;this.m_count=1;this.m_radius=b.m_radius;break;case K.e_polygonShape:b=b instanceof G?b:null;this.m_vertices=b.m_vertices;this.m_count=
+b.m_vertexCount;this.m_radius=b.m_radius;break;default:y.b2Assert(false)}};z.prototype.GetSupport=function(b){for(var e=0,f=this.m_vertices[0].x*b.x+this.m_vertices[0].y*b.y,m=1;mf){e=m;f=r}}return e};z.prototype.GetSupportVertex=function(b){for(var e=0,f=this.m_vertices[0].x*b.x+this.m_vertices[0].y*b.y,m=1;mf){e=m;f=r}}return this.m_vertices[e]};
+z.prototype.GetVertexCount=function(){return this.m_count};z.prototype.GetVertex=function(b){if(b===undefined)b=0;y.b2Assert(0<=b&&b0?f.x:-f.x);f=y.b2_aabbExtension+y.b2_aabbMultiplier*(f.y>0?f.y:-f.y);b.aabb.lowerBound.x=e.lowerBound.x-m;b.aabb.lowerBound.y=e.lowerBound.y-f;b.aabb.upperBound.x=e.upperBound.x+
+m;b.aabb.upperBound.y=e.upperBound.y+f;this.InsertLeaf(b);return true};u.prototype.Rebalance=function(b){if(b===undefined)b=0;if(this.m_root!=null)for(var e=0;e>m&1?f.child2:f.child1;m=m+1&31}++this.m_path;this.RemoveLeaf(f);this.InsertLeaf(f)}};u.prototype.GetFatAABB=function(b){return b.aabb};u.prototype.GetUserData=function(b){return b.userData};u.prototype.Query=function(b,e){if(this.m_root!=null){var f=new Vector,m=0;for(f[m++]=
+this.m_root;m>0;){var r=f[--m];if(r.aabb.TestOverlap(e))if(r.IsLeaf()){if(!b(r))break}else{f[m++]=r.child1;f[m++]=r.child2}}}};u.prototype.RayCast=function(b,e){if(this.m_root!=null){var f=e.p1,m=e.p2,r=w.SubtractVV(f,m);r.Normalize();r=w.CrossFV(1,r);var s=w.AbsV(r),v=e.maxFraction,t=new B,x=0,C=0;x=f.x+v*(m.x-f.x);C=f.y+v*(m.y-f.y);t.lowerBound.x=Math.min(f.x,x);t.lowerBound.y=Math.min(f.y,C);t.upperBound.x=Math.max(f.x,x);t.upperBound.y=Math.max(f.y,C);var J=new Vector,T=0;for(J[T++]=this.m_root;T>
+0;){v=J[--T];if(v.aabb.TestOverlap(t)!=false){x=v.aabb.GetCenter();C=v.aabb.GetExtents();if(!(Math.abs(r.x*(f.x-x.x)+r.y*(f.y-x.y))-s.x*C.x-s.y*C.y>0))if(v.IsLeaf()){x=new S;x.p1=e.p1;x.p2=e.p2;x.maxFraction=e.maxFraction;v=b(x,v);if(v==0)break;if(v>0){x=f.x+v*(m.x-f.x);C=f.y+v*(m.y-f.y);t.lowerBound.x=Math.min(f.x,x);t.lowerBound.y=Math.min(f.y,C);t.upperBound.x=Math.max(f.x,x);t.upperBound.y=Math.max(f.y,C)}}else{J[T++]=v.child1;J[T++]=v.child2}}}}};u.prototype.AllocateNode=function(){if(this.m_freeList){var b=
+this.m_freeList;this.m_freeList=b.parent;b.parent=null;b.child1=null;b.child2=null;return b}return new H};u.prototype.FreeNode=function(b){b.parent=this.m_freeList;this.m_freeList=b};u.prototype.InsertLeaf=function(b){++this.m_insertionCount;if(this.m_root==null){this.m_root=b;this.m_root.parent=null}else{var e=b.aabb.GetCenter(),f=this.m_root;if(f.IsLeaf()==false){do{var m=f.child1;f=f.child2;f=Math.abs((m.aabb.lowerBound.x+m.aabb.upperBound.x)/2-e.x)+Math.abs((m.aabb.lowerBound.y+m.aabb.upperBound.y)/
+2-e.y)=m?t:m;++e.m_pairCount;return true},
+r)}for(f=e.m_moveBuffer.length=0;fx){var J=r.x-this.p1.x,T=r.y-this.p1.y;r=J*f+T*t;if(0<=r&&r<=m*C){m=-s*T+v*J;if(-x*C<=m&&m<=C*(1+x)){r/=C;m=Math.sqrt(f*f+t*t);f/=m;t/=m;b[0]=r;e.Set(f,
+t);return true}}}return false};Z.prototype.Extend=function(b){this.ExtendForward(b);this.ExtendBackward(b)};Z.prototype.ExtendForward=function(b){var e=this.p2.x-this.p1.x,f=this.p2.y-this.p1.y;b=Math.min(e>0?(b.upperBound.x-this.p1.x)/e:e<0?(b.lowerBound.x-this.p1.x)/e:Number.POSITIVE_INFINITY,f>0?(b.upperBound.y-this.p1.y)/f:f<0?(b.lowerBound.y-this.p1.y)/f:Number.POSITIVE_INFINITY);this.p2.x=this.p1.x+e*b;this.p2.y=this.p1.y+f*b};Z.prototype.ExtendBackward=function(b){var e=-this.p2.x+this.p1.x,
+f=-this.p2.y+this.p1.y;b=Math.min(e>0?(b.upperBound.x-this.p2.x)/e:e<0?(b.lowerBound.x-this.p2.x)/e:Number.POSITIVE_INFINITY,f>0?(b.upperBound.y-this.p2.y)/f:f<0?(b.lowerBound.y-this.p2.y)/f:Number.POSITIVE_INFINITY);this.p1.x=this.p2.x+e*b;this.p1.y=this.p2.y+f*b};d.b2SeparationFunction=function(){this.m_localPoint=new p;this.m_axis=new p};d.prototype.Initialize=function(b,e,f,m,r){this.m_proxyA=e;this.m_proxyB=m;var s=parseInt(b.count);y.b2Assert(01){b=b.metric;s=this.GetMetric();if(s<0.5*b||2*b0?w.CrossFV(1,b):w.CrossVF(b,1);default:y.b2Assert(false);return new p}};h.prototype.GetClosestPoint=
+function(){switch(this.m_count){case 0:y.b2Assert(false);return new p;case 1:return this.m_v1.w;case 2:return new p(this.m_v1.a*this.m_v1.w.x+this.m_v2.a*this.m_v2.w.x,this.m_v1.a*this.m_v1.w.y+this.m_v2.a*this.m_v2.w.y);default:y.b2Assert(false);return new p}};h.prototype.GetWitnessPoints=function(b,e){switch(this.m_count){case 0:y.b2Assert(false);break;case 1:b.SetV(this.m_v1.wA);e.SetV(this.m_v1.wB);break;case 2:b.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x;b.y=this.m_v1.a*this.m_v1.wA.y+
+this.m_v2.a*this.m_v2.wA.y;e.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x;e.y=this.m_v1.a*this.m_v1.wB.y+this.m_v2.a*this.m_v2.wB.y;break;case 3:e.x=b.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x+this.m_v3.a*this.m_v3.wA.x;e.y=b.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y+this.m_v3.a*this.m_v3.wA.y;break;default:y.b2Assert(false)}};h.prototype.GetMetric=function(){switch(this.m_count){case 0:y.b2Assert(false);return 0;case 1:return 0;case 2:return w.SubtractVV(this.m_v1.w,
+this.m_v2.w).Length();case 3:return w.CrossVV(w.SubtractVV(this.m_v2.w,this.m_v1.w),w.SubtractVV(this.m_v3.w,this.m_v1.w));default:y.b2Assert(false);return 0}};h.prototype.Solve2=function(){var b=this.m_v1.w,e=this.m_v2.w,f=w.SubtractVV(e,b);b=-(b.x*f.x+b.y*f.y);if(b<=0)this.m_count=this.m_v1.a=1;else{e=e.x*f.x+e.y*f.y;if(e<=0){this.m_count=this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else{f=1/(e+b);this.m_v1.a=e*f;this.m_v2.a=b*f;this.m_count=2}}};h.prototype.Solve3=function(){var b=this.m_v1.w,e=this.m_v2.w,
+f=this.m_v3.w,m=w.SubtractVV(e,b),r=w.Dot(b,m),s=w.Dot(e,m);r=-r;var v=w.SubtractVV(f,b),t=w.Dot(b,v),x=w.Dot(f,v);t=-t;var C=w.SubtractVV(f,e),J=w.Dot(e,C);C=w.Dot(f,C);J=-J;v=w.CrossVV(m,v);m=v*w.CrossVV(e,f);f=v*w.CrossVV(f,b);b=v*w.CrossVV(b,e);if(r<=0&&t<=0)this.m_count=this.m_v1.a=1;else if(s>0&&r>0&&b<=0){x=1/(s+r);this.m_v1.a=s*x;this.m_v2.a=r*x;this.m_count=2}else if(x>0&&t>0&&f<=0){s=1/(x+t);this.m_v1.a=x*s;this.m_v3.a=t*s;this.m_count=2;this.m_v2.Set(this.m_v3)}else if(s<=0&&J<=0){this.m_count=
+this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else if(x<=0&&C<=0){this.m_count=this.m_v3.a=1;this.m_v1.Set(this.m_v3)}else if(C>0&&J>0&&m<=0){s=1/(C+J);this.m_v2.a=C*s;this.m_v3.a=J*s;this.m_count=2;this.m_v1.Set(this.m_v3)}else{s=1/(m+f+b);this.m_v1.a=m*s;this.m_v2.a=f*s;this.m_v3.a=b*s;this.m_count=3}};l.b2SimplexCache=function(){this.indexA=new Vector_a2j_Number(3);this.indexB=new Vector_a2j_Number(3)};j.b2SimplexVertex=function(){};j.prototype.Set=function(b){this.wA.SetV(b.wA);this.wB.SetV(b.wB);this.w.SetV(b.w);
+this.a=b.a;this.indexA=b.indexA;this.indexB=b.indexB};o.b2TimeOfImpact=function(){};o.TimeOfImpact=function(b){++o.b2_toiCalls;var e=b.proxyA,f=b.proxyB,m=b.sweepA,r=b.sweepB;y.b2Assert(m.t0==r.t0);y.b2Assert(1-m.t0>Number.MIN_VALUE);var s=e.m_radius+f.m_radius;b=b.tolerance;var v=0,t=0,x=0;o.s_cache.count=0;for(o.s_distanceInput.useRadii=false;;){m.GetTransform(o.s_xfA,v);r.GetTransform(o.s_xfB,v);o.s_distanceInput.proxyA=e;o.s_distanceInput.proxyB=f;o.s_distanceInput.transformA=o.s_xfA;o.s_distanceInput.transformB=
+o.s_xfB;W.Distance(o.s_distanceOutput,o.s_cache,o.s_distanceInput);if(o.s_distanceOutput.distance<=0){v=1;break}o.s_fcn.Initialize(o.s_cache,e,o.s_xfA,f,o.s_xfB);var C=o.s_fcn.Evaluate(o.s_xfA,o.s_xfB);if(C<=0){v=1;break}if(t==0)x=C>s?w.Max(s-b,0.75*s):w.Max(C-b,0.02*s);if(C-x<0.5*b){if(t==0){v=1;break}break}var J=v,T=v,P=1;C=C;m.GetTransform(o.s_xfA,P);r.GetTransform(o.s_xfB,P);var X=o.s_fcn.Evaluate(o.s_xfA,o.s_xfB);if(X>=x){v=1;break}for(var $=0;;){var ba=0;ba=$&1?T+(x-C)*(P-T)/(X-C):0.5*(T+P);
+m.GetTransform(o.s_xfA,ba);r.GetTransform(o.s_xfB,ba);var ca=o.s_fcn.Evaluate(o.s_xfA,o.s_xfB);if(w.Abs(ca-x)<0.025*b){J=ba;break}if(ca>x){T=ba;C=ca}else{P=ba;X=ca}++$;++o.b2_toiRootIters;if($==50)break}o.b2_toiMaxRootIters=w.Max(o.b2_toiMaxRootIters,$);if(J<(1+100*Number.MIN_VALUE)*v)break;v=J;t++;++o.b2_toiIters;if(t==1E3)break}o.b2_toiMaxIters=w.Max(o.b2_toiMaxIters,t);return v};Box2D.postDefs.push(function(){Box2D.Collision.b2TimeOfImpact.b2_toiCalls=0;Box2D.Collision.b2TimeOfImpact.b2_toiIters=
+0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiRootIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxRootIters=0;Box2D.Collision.b2TimeOfImpact.s_cache=new l;Box2D.Collision.b2TimeOfImpact.s_distanceInput=new Y;Box2D.Collision.b2TimeOfImpact.s_xfA=new U;Box2D.Collision.b2TimeOfImpact.s_xfB=new U;Box2D.Collision.b2TimeOfImpact.s_fcn=new d;Box2D.Collision.b2TimeOfImpact.s_distanceOutput=new k});q.b2TOIInput=function(){this.proxyA=new z;this.proxyB=new z;this.sweepA=
+new A;this.sweepB=new A};n.b2WorldManifold=function(){this.m_normal=new p};n.prototype.b2WorldManifold=function(){this.m_points=new Vector(y.b2_maxManifoldPoints);for(var b=0;bNumber.MIN_VALUE*Number.MIN_VALUE){x=Math.sqrt(x);this.m_normal.x=v/x;this.m_normal.y=t/x}else{this.m_normal.x=1;this.m_normal.y=0}v=e+f*this.m_normal.y;m=m-r*this.m_normal.y;this.m_points[0].x=0.5*(s+f*this.m_normal.x+(b-r*this.m_normal.x));this.m_points[0].y=0.5*(v+m);break;case E.e_faceA:t=e.R;v=b.m_localPlaneNormal;x=t.col1.x*v.x+t.col2.x*v.y;C=t.col1.y*
+v.x+t.col2.y*v.y;t=e.R;v=b.m_localPoint;J=e.position.x+t.col1.x*v.x+t.col2.x*v.y;T=e.position.y+t.col1.y*v.x+t.col2.y*v.y;this.m_normal.x=x;this.m_normal.y=C;for(s=0;sthis.m_radius){D.SetV(u);return Math.PI*this.m_radius*this.m_radius}z=this.m_radius*this.m_radius;var O=H*H;H=z*(Math.asin(H/this.m_radius)+Math.PI/2)+H*Math.sqrt(z-O);z=-2/3*Math.pow(z-O,1.5)/H;D.x=u.x+k.x*z;D.y=u.y+k.y*z;return H};G.prototype.GetLocalPosition=
+function(){return this.m_p};G.prototype.SetLocalPosition=function(k){this.m_p.SetV(k)};G.prototype.GetRadius=function(){return this.m_radius};G.prototype.SetRadius=function(k){if(k===undefined)k=0;this.m_radius=k};G.prototype.b2CircleShape=function(k){if(k===undefined)k=0;this.__super.b2Shape.call(this);this.m_type=U.e_circleShape;this.m_radius=k};K.b2EdgeChainDef=function(){};K.prototype.b2EdgeChainDef=function(){this.vertexCount=0;this.isALoop=true;this.vertices=[]};Box2D.inherit(y,Box2D.Collision.Shapes.b2Shape);
+y.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;y.b2EdgeShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments);this.s_supportVec=new V;this.m_v1=new V;this.m_v2=new V;this.m_coreV1=new V;this.m_coreV2=new V;this.m_normal=new V;this.m_direction=new V;this.m_cornerDir1=new V;this.m_cornerDir2=new V};y.prototype.TestPoint=function(){return false};y.prototype.RayCast=function(k,z,u){var D,H=z.p2.x-z.p1.x,O=z.p2.y-z.p1.y;D=u.R;var E=u.position.x+(D.col1.x*this.m_v1.x+
+D.col2.x*this.m_v1.y),R=u.position.y+(D.col1.y*this.m_v1.x+D.col2.y*this.m_v1.y),N=u.position.y+(D.col1.y*this.m_v2.x+D.col2.y*this.m_v2.y)-R;u=-(u.position.x+(D.col1.x*this.m_v2.x+D.col2.x*this.m_v2.y)-E);D=100*Number.MIN_VALUE;var S=-(H*N+O*u);if(S>D){E=z.p1.x-E;var aa=z.p1.y-R;R=E*N+aa*u;if(0<=R&&R<=z.maxFraction*S){z=-H*aa+O*E;if(-D*S<=z&&z<=S*(1+D)){R/=S;k.fraction=R;z=Math.sqrt(N*N+u*u);k.normal.x=N/z;k.normal.y=u/z;return true}}}return false};y.prototype.ComputeAABB=function(k,z){var u=z.R,
+D=z.position.x+(u.col1.x*this.m_v1.x+u.col2.x*this.m_v1.y),H=z.position.y+(u.col1.y*this.m_v1.x+u.col2.y*this.m_v1.y),O=z.position.x+(u.col1.x*this.m_v2.x+u.col2.x*this.m_v2.y);u=z.position.y+(u.col1.y*this.m_v2.x+u.col2.y*this.m_v2.y);if(D0)if(k>0)return 0;else{O.x=-k/(E-k)*O.x+E/(E-k)*u.x;O.y=-k/(E-k)*O.y+E/(E-k)*u.y}else if(k>0){u.x=-k/(E-k)*O.x+E/(E-k)*u.x;u.y=-k/(E-k)*O.y+E/(E-k)*u.y}D.x=(H.x+O.x+u.x)/3;D.y=(H.y+O.y+u.y)/3;return 0.5*((O.x-H.x)*(u.y-H.y)-(O.y-H.y)*(u.x-H.x))};y.prototype.GetLength=function(){return this.m_length};y.prototype.GetVertex1=function(){return this.m_v1};y.prototype.GetVertex2=
+function(){return this.m_v2};y.prototype.GetCoreVertex1=function(){return this.m_coreV1};y.prototype.GetCoreVertex2=function(){return this.m_coreV2};y.prototype.GetNormalVector=function(){return this.m_normal};y.prototype.GetDirectionVector=function(){return this.m_direction};y.prototype.GetCorner1Vector=function(){return this.m_cornerDir1};y.prototype.GetCorner2Vector=function(){return this.m_cornerDir2};y.prototype.Corner1IsConvex=function(){return this.m_cornerConvex1};y.prototype.Corner2IsConvex=
+function(){return this.m_cornerConvex2};y.prototype.GetFirstVertex=function(k){var z=k.R;return new V(k.position.x+(z.col1.x*this.m_coreV1.x+z.col2.x*this.m_coreV1.y),k.position.y+(z.col1.y*this.m_coreV1.x+z.col2.y*this.m_coreV1.y))};y.prototype.GetNextEdge=function(){return this.m_nextEdge};y.prototype.GetPrevEdge=function(){return this.m_prevEdge};y.prototype.Support=function(k,z,u){if(z===undefined)z=0;if(u===undefined)u=0;var D=k.R,H=k.position.x+(D.col1.x*this.m_coreV1.x+D.col2.x*this.m_coreV1.y),
+O=k.position.y+(D.col1.y*this.m_coreV1.x+D.col2.y*this.m_coreV1.y),E=k.position.x+(D.col1.x*this.m_coreV2.x+D.col2.x*this.m_coreV2.y);k=k.position.y+(D.col1.y*this.m_coreV2.x+D.col2.y*this.m_coreV2.y);if(H*z+O*u>E*z+k*u){this.s_supportVec.x=H;this.s_supportVec.y=O}else{this.s_supportVec.x=E;this.s_supportVec.y=k}return this.s_supportVec};y.prototype.b2EdgeShape=function(k,z){this.__super.b2Shape.call(this);this.m_type=U.e_edgeShape;this.m_nextEdge=this.m_prevEdge=null;this.m_v1=k;this.m_v2=z;this.m_direction.Set(this.m_v2.x-
+this.m_v1.x,this.m_v2.y-this.m_v1.y);this.m_length=this.m_direction.Normalize();this.m_normal.Set(this.m_direction.y,-this.m_direction.x);this.m_coreV1.Set(-F.b2_toiSlop*(this.m_normal.x-this.m_direction.x)+this.m_v1.x,-F.b2_toiSlop*(this.m_normal.y-this.m_direction.y)+this.m_v1.y);this.m_coreV2.Set(-F.b2_toiSlop*(this.m_normal.x+this.m_direction.x)+this.m_v2.x,-F.b2_toiSlop*(this.m_normal.y+this.m_direction.y)+this.m_v2.y);this.m_cornerDir1=this.m_normal;this.m_cornerDir2.Set(-this.m_normal.x,-this.m_normal.y)};
+y.prototype.SetPrevEdge=function(k,z,u,D){this.m_prevEdge=k;this.m_coreV1=z;this.m_cornerDir1=u;this.m_cornerConvex1=D};y.prototype.SetNextEdge=function(k,z,u,D){this.m_nextEdge=k;this.m_coreV2=z;this.m_cornerDir2=u;this.m_cornerConvex2=D};w.b2MassData=function(){this.mass=0;this.center=new V(0,0);this.I=0};Box2D.inherit(A,Box2D.Collision.Shapes.b2Shape);A.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;A.b2PolygonShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments)};
+A.prototype.Copy=function(){var k=new A;k.Set(this);return k};A.prototype.Set=function(k){this.__super.Set.call(this,k);if(Box2D.is(k,A)){k=k instanceof A?k:null;this.m_centroid.SetV(k.m_centroid);this.m_vertexCount=k.m_vertexCount;this.Reserve(this.m_vertexCount);for(var z=0;zNumber.MIN_VALUE);this.m_normals[u].SetV(B.CrossVF(D,
+1));this.m_normals[u].Normalize()}this.m_centroid=A.ComputeCentroid(this.m_vertices,this.m_vertexCount)};A.AsVector=function(k,z){if(z===undefined)z=0;var u=new A;u.SetAsVector(k,z);return u};A.prototype.SetAsBox=function(k,z){if(k===undefined)k=0;if(z===undefined)z=0;this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-k,-z);this.m_vertices[1].Set(k,-z);this.m_vertices[2].Set(k,z);this.m_vertices[3].Set(-k,z);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);this.m_normals[2].Set(0,
+1);this.m_normals[3].Set(-1,0);this.m_centroid.SetZero()};A.AsBox=function(k,z){if(k===undefined)k=0;if(z===undefined)z=0;var u=new A;u.SetAsBox(k,z);return u};A.prototype.SetAsOrientedBox=function(k,z,u,D){if(k===undefined)k=0;if(z===undefined)z=0;if(u===undefined)u=null;if(D===undefined)D=0;this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-k,-z);this.m_vertices[1].Set(k,-z);this.m_vertices[2].Set(k,z);this.m_vertices[3].Set(-k,z);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);
+this.m_normals[2].Set(0,1);this.m_normals[3].Set(-1,0);this.m_centroid=u;k=new Q;k.position=u;k.R.Set(D);for(u=0;u0)return false}return true};A.prototype.RayCast=function(k,z,u){var D=0,H=z.maxFraction,O=0,E=0,R,N;O=z.p1.x-u.position.x;E=z.p1.y-u.position.y;R=u.R;var S=O*R.col1.x+E*R.col1.y,aa=O*R.col2.x+E*R.col2.y;O=z.p2.x-u.position.x;E=z.p2.y-u.position.y;R=u.R;z=O*R.col1.x+E*R.col1.y-S;R=O*R.col2.x+E*R.col2.y-aa;for(var Z=parseInt(-1),d=0;d0&&O=0){k.fraction=D;R=u.R;N=this.m_normals[Z];k.normal.x=R.col1.x*N.x+R.col2.x*N.y;k.normal.y=R.col1.y*N.x+R.col2.y*N.y;return true}return false};A.prototype.ComputeAABB=function(k,z){for(var u=z.R,D=this.m_vertices[0],H=z.position.x+(u.col1.x*D.x+u.col2.x*D.y),O=z.position.y+(u.col1.y*D.x+u.col2.y*D.y),E=H,R=O,N=1;NS?E:S;R=R>D?R:D}k.lowerBound.x=H-this.m_radius;k.lowerBound.y=O-this.m_radius;k.upperBound.x=E+this.m_radius;k.upperBound.y=R+this.m_radius};A.prototype.ComputeMass=function(k,z){if(z===undefined)z=0;if(this.m_vertexCount==2){k.center.x=0.5*(this.m_vertices[0].x+this.m_vertices[1].x);k.center.y=0.5*(this.m_vertices[0].y+this.m_vertices[1].y);k.mass=0;k.I=0}else{for(var u=0,D=0,H=0,O=0,E=1/3,R=0;R0)if(aa){if(!S){N=k-1;R++}}else if(S){z=k-1;R++}S=aa}switch(R){case 0:if(S){k=new w;this.ComputeMass(k,1);D.SetV(B.MulX(u,k.center));return k.mass}else return 0;case 1:if(N==-1)N=this.m_vertexCount-1;else z=this.m_vertexCount-1}k=parseInt((N+1)%this.m_vertexCount);H=parseInt((z+1)%this.m_vertexCount);O=(0-E[N])/(E[k]-E[N]);E=(0-E[z])/(E[H]-E[z]);N=new V(this.m_vertices[N].x*
+(1-O)+this.m_vertices[k].x*O,this.m_vertices[N].y*(1-O)+this.m_vertices[k].y*O);z=new V(this.m_vertices[z].x*(1-E)+this.m_vertices[H].x*E,this.m_vertices[z].y*(1-E)+this.m_vertices[H].y*E);E=0;O=new V;R=this.m_vertices[k];for(k=k;k!=H;){k=(k+1)%this.m_vertexCount;S=k==H?z:this.m_vertices[k];aa=0.5*((R.x-N.x)*(S.y-N.y)-(R.y-N.y)*(S.x-N.x));E+=aa;O.x+=aa*(N.x+R.x+S.x)/3;O.y+=aa*(N.y+R.y+S.y)/3;R=S}O.Multiply(1/E);D.SetV(B.MulX(u,O));return E};A.prototype.GetVertexCount=function(){return this.m_vertexCount};
+A.prototype.GetVertices=function(){return this.m_vertices};A.prototype.GetNormals=function(){return this.m_normals};A.prototype.GetSupport=function(k){for(var z=0,u=this.m_vertices[0].x*k.x+this.m_vertices[0].y*k.y,D=1;Du){z=D;u=H}}return z};A.prototype.GetSupportVertex=function(k){for(var z=0,u=this.m_vertices[0].x*k.x+this.m_vertices[0].y*k.y,D=1;Du){z=D;u=H}}return this.m_vertices[z]};A.prototype.Validate=function(){return false};A.prototype.b2PolygonShape=function(){this.__super.b2Shape.call(this);this.m_type=U.e_polygonShape;this.m_centroid=new V;this.m_vertices=new Vector;this.m_normals=new Vector};A.prototype.Reserve=function(k){if(k===undefined)k=0;for(var z=parseInt(this.m_vertices.length);zd)d=q;if(j>h)h=j}l=(d-N)*(h-Z);if(l<0.95*z){z=l;k.R.col1.x=E;k.R.col1.y=R;k.R.col2.x=S;k.R.col2.y=aa;E=0.5*(N+d);R=0.5*(Z+h);S=k.R;k.center.x=O.x+(S.col1.x*E+S.col2.x*R);k.center.y=O.y+(S.col1.y*E+S.col2.y*R);k.extents.x=0.5*(d-N);k.extents.y=0.5*(h-Z)}}};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2PolygonShape.s_mat=new p});U.b2Shape=function(){};U.prototype.Copy=function(){return null};U.prototype.Set=function(k){this.m_radius=
+k.m_radius};U.prototype.GetType=function(){return this.m_type};U.prototype.TestPoint=function(){return false};U.prototype.RayCast=function(){return false};U.prototype.ComputeAABB=function(){};U.prototype.ComputeMass=function(){};U.prototype.ComputeSubmergedArea=function(){return 0};U.TestOverlap=function(k,z,u,D){var H=new L;H.proxyA=new W;H.proxyA.Set(k);H.proxyB=new W;H.proxyB.Set(u);H.transformA=z;H.transformB=D;H.useRadii=true;k=new Y;k.count=0;z=new I;M.Distance(z,k,H);return z.distance<10*Number.MIN_VALUE};
+U.prototype.b2Shape=function(){this.m_type=U.e_unknownShape;this.m_radius=F.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2Shape.e_unknownShape=parseInt(-1);Box2D.Collision.Shapes.b2Shape.e_circleShape=0;Box2D.Collision.Shapes.b2Shape.e_polygonShape=1;Box2D.Collision.Shapes.b2Shape.e_edgeShape=2;Box2D.Collision.Shapes.b2Shape.e_shapeTypeCount=3;Box2D.Collision.Shapes.b2Shape.e_hitCollide=1;Box2D.Collision.Shapes.b2Shape.e_missCollide=0;Box2D.Collision.Shapes.b2Shape.e_startsInsideCollide=
+parseInt(-1)})})();
+(function(){var F=Box2D.Common.b2Color,G=Box2D.Common.b2Settings,K=Box2D.Common.Math.b2Math;F.b2Color=function(){this._b=this._g=this._r=0};F.prototype.b2Color=function(y,w,A){if(y===undefined)y=0;if(w===undefined)w=0;if(A===undefined)A=0;this._r=Box2D.parseUInt(255*K.Clamp(y,0,1));this._g=Box2D.parseUInt(255*K.Clamp(w,0,1));this._b=Box2D.parseUInt(255*K.Clamp(A,0,1))};F.prototype.Set=function(y,w,A){if(y===undefined)y=0;if(w===undefined)w=0;if(A===undefined)A=0;this._r=Box2D.parseUInt(255*K.Clamp(y,
+0,1));this._g=Box2D.parseUInt(255*K.Clamp(w,0,1));this._b=Box2D.parseUInt(255*K.Clamp(A,0,1))};Object.defineProperty(F.prototype,"r",{enumerable:false,configurable:true,set:function(y){if(y===undefined)y=0;this._r=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.prototype,"g",{enumerable:false,configurable:true,set:function(y){if(y===undefined)y=0;this._g=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.prototype,"b",{enumerable:false,configurable:true,set:function(y){if(y===
+undefined)y=0;this._b=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.prototype,"color",{enumerable:false,configurable:true,get:function(){return this._r<<16|this._g<<8|this._b}});G.b2Settings=function(){};G.b2MixFriction=function(y,w){if(y===undefined)y=0;if(w===undefined)w=0;return Math.sqrt(y*w)};G.b2MixRestitution=function(y,w){if(y===undefined)y=0;if(w===undefined)w=0;return y>w?y:w};G.b2Assert=function(y){if(!y)throw"Assertion Failed";};Box2D.postDefs.push(function(){Box2D.Common.b2Settings.VERSION=
+"2.1alpha";Box2D.Common.b2Settings.USHRT_MAX=65535;Box2D.Common.b2Settings.b2_pi=Math.PI;Box2D.Common.b2Settings.b2_maxManifoldPoints=2;Box2D.Common.b2Settings.b2_aabbExtension=0.1;Box2D.Common.b2Settings.b2_aabbMultiplier=2;Box2D.Common.b2Settings.b2_polygonRadius=2*G.b2_linearSlop;Box2D.Common.b2Settings.b2_linearSlop=0.0050;Box2D.Common.b2Settings.b2_angularSlop=2/180*G.b2_pi;Box2D.Common.b2Settings.b2_toiSlop=8*G.b2_linearSlop;Box2D.Common.b2Settings.b2_maxTOIContactsPerIsland=32;Box2D.Common.b2Settings.b2_maxTOIJointsPerIsland=
+32;Box2D.Common.b2Settings.b2_velocityThreshold=1;Box2D.Common.b2Settings.b2_maxLinearCorrection=0.2;Box2D.Common.b2Settings.b2_maxAngularCorrection=8/180*G.b2_pi;Box2D.Common.b2Settings.b2_maxTranslation=2;Box2D.Common.b2Settings.b2_maxTranslationSquared=G.b2_maxTranslation*G.b2_maxTranslation;Box2D.Common.b2Settings.b2_maxRotation=0.5*G.b2_pi;Box2D.Common.b2Settings.b2_maxRotationSquared=G.b2_maxRotation*G.b2_maxRotation;Box2D.Common.b2Settings.b2_contactBaumgarte=0.2;Box2D.Common.b2Settings.b2_timeToSleep=
+0.5;Box2D.Common.b2Settings.b2_linearSleepTolerance=0.01;Box2D.Common.b2Settings.b2_angularSleepTolerance=2/180*G.b2_pi})})();
+(function(){var F=Box2D.Common.Math.b2Mat22,G=Box2D.Common.Math.b2Mat33,K=Box2D.Common.Math.b2Math,y=Box2D.Common.Math.b2Sweep,w=Box2D.Common.Math.b2Transform,A=Box2D.Common.Math.b2Vec2,U=Box2D.Common.Math.b2Vec3;F.b2Mat22=function(){this.col1=new A;this.col2=new A};F.prototype.b2Mat22=function(){this.SetIdentity()};F.FromAngle=function(p){if(p===undefined)p=0;var B=new F;B.Set(p);return B};F.FromVV=function(p,B){var Q=new F;Q.SetVV(p,B);return Q};F.prototype.Set=function(p){if(p===undefined)p=0;
+var B=Math.cos(p);p=Math.sin(p);this.col1.x=B;this.col2.x=-p;this.col1.y=p;this.col2.y=B};F.prototype.SetVV=function(p,B){this.col1.SetV(p);this.col2.SetV(B)};F.prototype.Copy=function(){var p=new F;p.SetM(this);return p};F.prototype.SetM=function(p){this.col1.SetV(p.col1);this.col2.SetV(p.col2)};F.prototype.AddM=function(p){this.col1.x+=p.col1.x;this.col1.y+=p.col1.y;this.col2.x+=p.col2.x;this.col2.y+=p.col2.y};F.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col1.y=0;this.col2.y=
+1};F.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col1.y=0;this.col2.y=0};F.prototype.GetAngle=function(){return Math.atan2(this.col1.y,this.col1.x)};F.prototype.GetInverse=function(p){var B=this.col1.x,Q=this.col2.x,V=this.col1.y,M=this.col2.y,L=B*M-Q*V;if(L!=0)L=1/L;p.col1.x=L*M;p.col2.x=-L*Q;p.col1.y=-L*V;p.col2.y=L*B;return p};F.prototype.Solve=function(p,B,Q){if(B===undefined)B=0;if(Q===undefined)Q=0;var V=this.col1.x,M=this.col2.x,L=this.col1.y,I=this.col2.y,W=V*I-M*L;if(W!=
+0)W=1/W;p.x=W*(I*B-M*Q);p.y=W*(V*Q-L*B);return p};F.prototype.Abs=function(){this.col1.Abs();this.col2.Abs()};G.b2Mat33=function(){this.col1=new U;this.col2=new U;this.col3=new U};G.prototype.b2Mat33=function(p,B,Q){if(p===undefined)p=null;if(B===undefined)B=null;if(Q===undefined)Q=null;if(!p&&!B&&!Q){this.col1.SetZero();this.col2.SetZero();this.col3.SetZero()}else{this.col1.SetV(p);this.col2.SetV(B);this.col3.SetV(Q)}};G.prototype.SetVVV=function(p,B,Q){this.col1.SetV(p);this.col2.SetV(B);this.col3.SetV(Q)};
+G.prototype.Copy=function(){return new G(this.col1,this.col2,this.col3)};G.prototype.SetM=function(p){this.col1.SetV(p.col1);this.col2.SetV(p.col2);this.col3.SetV(p.col3)};G.prototype.AddM=function(p){this.col1.x+=p.col1.x;this.col1.y+=p.col1.y;this.col1.z+=p.col1.z;this.col2.x+=p.col2.x;this.col2.y+=p.col2.y;this.col2.z+=p.col2.z;this.col3.x+=p.col3.x;this.col3.y+=p.col3.y;this.col3.z+=p.col3.z};G.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=
+1;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=1};G.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=0;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=0};G.prototype.Solve22=function(p,B,Q){if(B===undefined)B=0;if(Q===undefined)Q=0;var V=this.col1.x,M=this.col2.x,L=this.col1.y,I=this.col2.y,W=V*I-M*L;if(W!=0)W=1/W;p.x=W*(I*B-M*Q);p.y=W*(V*Q-L*B);return p};G.prototype.Solve33=function(p,B,Q,V){if(B===undefined)B=0;if(Q===undefined)Q=0;
+if(V===undefined)V=0;var M=this.col1.x,L=this.col1.y,I=this.col1.z,W=this.col2.x,Y=this.col2.y,k=this.col2.z,z=this.col3.x,u=this.col3.y,D=this.col3.z,H=M*(Y*D-k*u)+L*(k*z-W*D)+I*(W*u-Y*z);if(H!=0)H=1/H;p.x=H*(B*(Y*D-k*u)+Q*(k*z-W*D)+V*(W*u-Y*z));p.y=H*(M*(Q*D-V*u)+L*(V*z-B*D)+I*(B*u-Q*z));p.z=H*(M*(Y*V-k*Q)+L*(k*B-W*V)+I*(W*Q-Y*B));return p};K.b2Math=function(){};K.IsValid=function(p){if(p===undefined)p=0;return isFinite(p)};K.Dot=function(p,B){return p.x*B.x+p.y*B.y};K.CrossVV=function(p,B){return p.x*
+B.y-p.y*B.x};K.CrossVF=function(p,B){if(B===undefined)B=0;return new A(B*p.y,-B*p.x)};K.CrossFV=function(p,B){if(p===undefined)p=0;return new A(-p*B.y,p*B.x)};K.MulMV=function(p,B){return new A(p.col1.x*B.x+p.col2.x*B.y,p.col1.y*B.x+p.col2.y*B.y)};K.MulTMV=function(p,B){return new A(K.Dot(B,p.col1),K.Dot(B,p.col2))};K.MulX=function(p,B){var Q=K.MulMV(p.R,B);Q.x+=p.position.x;Q.y+=p.position.y;return Q};K.MulXT=function(p,B){var Q=K.SubtractVV(B,p.position),V=Q.x*p.R.col1.x+Q.y*p.R.col1.y;Q.y=Q.x*
+p.R.col2.x+Q.y*p.R.col2.y;Q.x=V;return Q};K.AddVV=function(p,B){return new A(p.x+B.x,p.y+B.y)};K.SubtractVV=function(p,B){return new A(p.x-B.x,p.y-B.y)};K.Distance=function(p,B){var Q=p.x-B.x,V=p.y-B.y;return Math.sqrt(Q*Q+V*V)};K.DistanceSquared=function(p,B){var Q=p.x-B.x,V=p.y-B.y;return Q*Q+V*V};K.MulFV=function(p,B){if(p===undefined)p=0;return new A(p*B.x,p*B.y)};K.AddMM=function(p,B){return F.FromVV(K.AddVV(p.col1,B.col1),K.AddVV(p.col2,B.col2))};K.MulMM=function(p,B){return F.FromVV(K.MulMV(p,
+B.col1),K.MulMV(p,B.col2))};K.MulTMM=function(p,B){var Q=new A(K.Dot(p.col1,B.col1),K.Dot(p.col2,B.col1)),V=new A(K.Dot(p.col1,B.col2),K.Dot(p.col2,B.col2));return F.FromVV(Q,V)};K.Abs=function(p){if(p===undefined)p=0;return p>0?p:-p};K.AbsV=function(p){return new A(K.Abs(p.x),K.Abs(p.y))};K.AbsM=function(p){return F.FromVV(K.AbsV(p.col1),K.AbsV(p.col2))};K.Min=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;return pB?p:B};K.MaxV=function(p,B){return new A(K.Max(p.x,B.x),K.Max(p.y,B.y))};K.Clamp=function(p,B,Q){if(p===undefined)p=0;if(B===undefined)B=0;if(Q===undefined)Q=0;return pQ?Q:p};K.ClampV=function(p,B,Q){return K.MaxV(B,K.MinV(p,Q))};K.Swap=function(p,B){var Q=p[0];p[0]=B[0];B[0]=Q};K.Random=function(){return Math.random()*2-1};K.RandomRange=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;var Q=Math.random();return Q=
+(B-p)*Q+p};K.NextPowerOfTwo=function(p){if(p===undefined)p=0;p|=p>>1&2147483647;p|=p>>2&1073741823;p|=p>>4&268435455;p|=p>>8&16777215;p|=p>>16&65535;return p+1};K.IsPowerOfTwo=function(p){if(p===undefined)p=0;return p>0&&(p&p-1)==0};Box2D.postDefs.push(function(){Box2D.Common.Math.b2Math.b2Vec2_zero=new A(0,0);Box2D.Common.Math.b2Math.b2Mat22_identity=F.FromVV(new A(1,0),new A(0,1));Box2D.Common.Math.b2Math.b2Transform_identity=new w(K.b2Vec2_zero,K.b2Mat22_identity)});y.b2Sweep=function(){this.localCenter=
+new A;this.c0=new A;this.c=new A};y.prototype.Set=function(p){this.localCenter.SetV(p.localCenter);this.c0.SetV(p.c0);this.c.SetV(p.c);this.a0=p.a0;this.a=p.a;this.t0=p.t0};y.prototype.Copy=function(){var p=new y;p.localCenter.SetV(this.localCenter);p.c0.SetV(this.c0);p.c.SetV(this.c);p.a0=this.a0;p.a=this.a;p.t0=this.t0;return p};y.prototype.GetTransform=function(p,B){if(B===undefined)B=0;p.position.x=(1-B)*this.c0.x+B*this.c.x;p.position.y=(1-B)*this.c0.y+B*this.c.y;p.R.Set((1-B)*this.a0+B*this.a);
+var Q=p.R;p.position.x-=Q.col1.x*this.localCenter.x+Q.col2.x*this.localCenter.y;p.position.y-=Q.col1.y*this.localCenter.x+Q.col2.y*this.localCenter.y};y.prototype.Advance=function(p){if(p===undefined)p=0;if(this.t0Number.MIN_VALUE){var B=(p-this.t0)/(1-this.t0);this.c0.x=(1-B)*this.c0.x+B*this.c.x;this.c0.y=(1-B)*this.c0.y+B*this.c.y;this.a0=(1-B)*this.a0+B*this.a;this.t0=p}};w.b2Transform=function(){this.position=new A;this.R=new F};w.prototype.b2Transform=function(p,B){if(p===undefined)p=
+null;if(B===undefined)B=null;if(p){this.position.SetV(p);this.R.SetM(B)}};w.prototype.Initialize=function(p,B){this.position.SetV(p);this.R.SetM(B)};w.prototype.SetIdentity=function(){this.position.SetZero();this.R.SetIdentity()};w.prototype.Set=function(p){this.position.SetV(p.position);this.R.SetM(p.R)};w.prototype.GetAngle=function(){return Math.atan2(this.R.col1.y,this.R.col1.x)};A.b2Vec2=function(){};A.prototype.b2Vec2=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;this.x=p;this.y=B};
+A.prototype.SetZero=function(){this.y=this.x=0};A.prototype.Set=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;this.x=p;this.y=B};A.prototype.SetV=function(p){this.x=p.x;this.y=p.y};A.prototype.GetNegative=function(){return new A(-this.x,-this.y)};A.prototype.NegativeSelf=function(){this.x=-this.x;this.y=-this.y};A.Make=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;return new A(p,B)};A.prototype.Copy=function(){return new A(this.x,this.y)};A.prototype.Add=function(p){this.x+=p.x;
+this.y+=p.y};A.prototype.Subtract=function(p){this.x-=p.x;this.y-=p.y};A.prototype.Multiply=function(p){if(p===undefined)p=0;this.x*=p;this.y*=p};A.prototype.MulM=function(p){var B=this.x;this.x=p.col1.x*B+p.col2.x*this.y;this.y=p.col1.y*B+p.col2.y*this.y};A.prototype.MulTM=function(p){var B=K.Dot(this,p.col1);this.y=K.Dot(this,p.col2);this.x=B};A.prototype.CrossVF=function(p){if(p===undefined)p=0;var B=this.x;this.x=p*this.y;this.y=-p*B};A.prototype.CrossFV=function(p){if(p===undefined)p=0;var B=
+this.x;this.x=-p*this.y;this.y=p*B};A.prototype.MinV=function(p){this.x=this.xp.x?this.x:p.x;this.y=this.y>p.y?this.y:p.y};A.prototype.Abs=function(){if(this.x<0)this.x=-this.x;if(this.y<0)this.y=-this.y};A.prototype.Length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)};A.prototype.LengthSquared=function(){return this.x*this.x+this.y*this.y};A.prototype.Normalize=function(){var p=Math.sqrt(this.x*this.x+
+this.y*this.y);if(p0;a.SetNextEdge(c,g,e,f);c.SetPrevEdge(a,g,e,f);return b};k.prototype.CreateFixture=function(a){if(this.m_world.IsLocked()==true)return null;var c=new S;c.Create(this,this.m_xf,a);this.m_flags&k.e_activeFlag&&c.CreateProxy(this.m_world.m_contactManager.m_broadPhase,this.m_xf);c.m_next=this.m_fixtureList;this.m_fixtureList=c;++this.m_fixtureCount;c.m_body=this;c.m_density>0&&this.ResetMassData();this.m_world.m_flags|=
+h.e_newFixture;return c};k.prototype.CreateFixture2=function(a,c){if(c===undefined)c=0;var g=new aa;g.shape=a;g.density=c;return this.CreateFixture(g)};k.prototype.DestroyFixture=function(a){if(this.m_world.IsLocked()!=true){for(var c=this.m_fixtureList,g=null;c!=null;){if(c==a){if(g)g.m_next=a.m_next;else this.m_fixtureList=a.m_next;break}g=c;c=c.m_next}for(c=this.m_contactList;c;){g=c.contact;c=c.next;var b=g.GetFixtureA(),e=g.GetFixtureB();if(a==b||a==e)this.m_world.m_contactManager.Destroy(g)}this.m_flags&
+k.e_activeFlag&&a.DestroyProxy(this.m_world.m_contactManager.m_broadPhase);a.Destroy();a.m_body=null;a.m_next=null;--this.m_fixtureCount;this.ResetMassData()}};k.prototype.SetPositionAndAngle=function(a,c){if(c===undefined)c=0;var g;if(this.m_world.IsLocked()!=true){this.m_xf.R.Set(c);this.m_xf.position.SetV(a);g=this.m_xf.R;var b=this.m_sweep.localCenter;this.m_sweep.c.x=g.col1.x*b.x+g.col2.x*b.y;this.m_sweep.c.y=g.col1.y*b.x+g.col2.y*b.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=
+this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_sweep.a0=this.m_sweep.a=c;b=this.m_world.m_contactManager.m_broadPhase;for(g=this.m_fixtureList;g;g=g.m_next)g.Synchronize(b,this.m_xf,this.m_xf);this.m_world.m_contactManager.FindNewContacts()}};k.prototype.SetTransform=function(a){this.SetPositionAndAngle(a.position,a.GetAngle())};k.prototype.GetTransform=function(){return this.m_xf};k.prototype.GetPosition=function(){return this.m_xf.position};k.prototype.SetPosition=function(a){this.SetPositionAndAngle(a,
+this.GetAngle())};k.prototype.GetAngle=function(){return this.m_sweep.a};k.prototype.SetAngle=function(a){if(a===undefined)a=0;this.SetPositionAndAngle(this.GetPosition(),a)};k.prototype.GetWorldCenter=function(){return this.m_sweep.c};k.prototype.GetLocalCenter=function(){return this.m_sweep.localCenter};k.prototype.SetLinearVelocity=function(a){this.m_type!=k.b2_staticBody&&this.m_linearVelocity.SetV(a)};k.prototype.GetLinearVelocity=function(){return this.m_linearVelocity};k.prototype.SetAngularVelocity=
+function(a){if(a===undefined)a=0;if(this.m_type!=k.b2_staticBody)this.m_angularVelocity=a};k.prototype.GetAngularVelocity=function(){return this.m_angularVelocity};k.prototype.GetDefinition=function(){var a=new z;a.type=this.GetType();a.allowSleep=(this.m_flags&k.e_allowSleepFlag)==k.e_allowSleepFlag;a.angle=this.GetAngle();a.angularDamping=this.m_angularDamping;a.angularVelocity=this.m_angularVelocity;a.fixedRotation=(this.m_flags&k.e_fixedRotationFlag)==k.e_fixedRotationFlag;a.bullet=(this.m_flags&
+k.e_bulletFlag)==k.e_bulletFlag;a.awake=(this.m_flags&k.e_awakeFlag)==k.e_awakeFlag;a.linearDamping=this.m_linearDamping;a.linearVelocity.SetV(this.GetLinearVelocity());a.position=this.GetPosition();a.userData=this.GetUserData();return a};k.prototype.ApplyForce=function(a,c){if(this.m_type==k.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_force.x+=a.x;this.m_force.y+=a.y;this.m_torque+=(c.x-this.m_sweep.c.x)*a.y-(c.y-this.m_sweep.c.y)*a.x}};k.prototype.ApplyTorque=function(a){if(a===
+undefined)a=0;if(this.m_type==k.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_torque+=a}};k.prototype.ApplyImpulse=function(a,c){if(this.m_type==k.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_linearVelocity.x+=this.m_invMass*a.x;this.m_linearVelocity.y+=this.m_invMass*a.y;this.m_angularVelocity+=this.m_invI*((c.x-this.m_sweep.c.x)*a.y-(c.y-this.m_sweep.c.y)*a.x)}};k.prototype.Split=function(a){for(var c=this.GetLinearVelocity().Copy(),g=this.GetAngularVelocity(),
+b=this.GetWorldCenter(),e=this.m_world.CreateBody(this.GetDefinition()),f,m=this.m_fixtureList;m;)if(a(m)){var r=m.m_next;if(f)f.m_next=r;else this.m_fixtureList=r;this.m_fixtureCount--;m.m_next=e.m_fixtureList;e.m_fixtureList=m;e.m_fixtureCount++;m.m_body=e;m=r}else{f=m;m=m.m_next}this.ResetMassData();e.ResetMassData();f=this.GetWorldCenter();a=e.GetWorldCenter();f=F.AddVV(c,F.CrossFV(g,F.SubtractVV(f,b)));c=F.AddVV(c,F.CrossFV(g,F.SubtractVV(a,b)));this.SetLinearVelocity(f);e.SetLinearVelocity(c);
+this.SetAngularVelocity(g);e.SetAngularVelocity(g);this.SynchronizeFixtures();e.SynchronizeFixtures();return e};k.prototype.Merge=function(a){var c;for(c=a.m_fixtureList;c;){var g=c.m_next;a.m_fixtureCount--;c.m_next=this.m_fixtureList;this.m_fixtureList=c;this.m_fixtureCount++;c.m_body=e;c=g}b.m_fixtureCount=0;var b=this,e=a;b.GetWorldCenter();e.GetWorldCenter();b.GetLinearVelocity().Copy();e.GetLinearVelocity().Copy();b.GetAngularVelocity();e.GetAngularVelocity();b.ResetMassData();this.SynchronizeFixtures()};
+k.prototype.GetMass=function(){return this.m_mass};k.prototype.GetInertia=function(){return this.m_I};k.prototype.GetMassData=function(a){a.mass=this.m_mass;a.I=this.m_I;a.center.SetV(this.m_sweep.localCenter)};k.prototype.SetMassData=function(a){A.b2Assert(this.m_world.IsLocked()==false);if(this.m_world.IsLocked()!=true)if(this.m_type==k.b2_dynamicBody){this.m_invI=this.m_I=this.m_invMass=0;this.m_mass=a.mass;if(this.m_mass<=0)this.m_mass=1;this.m_invMass=1/this.m_mass;if(a.I>0&&(this.m_flags&k.e_fixedRotationFlag)==
+0){this.m_I=a.I-this.m_mass*(a.center.x*a.center.x+a.center.y*a.center.y);this.m_invI=1/this.m_I}var c=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(a.center);this.m_sweep.c0.SetV(F.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-c.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-c.x)}};k.prototype.ResetMassData=function(){this.m_invI=this.m_I=this.m_invMass=this.m_mass=0;this.m_sweep.localCenter.SetZero();
+if(!(this.m_type==k.b2_staticBody||this.m_type==k.b2_kinematicBody)){for(var a=y.Make(0,0),c=this.m_fixtureList;c;c=c.m_next)if(c.m_density!=0){var g=c.GetMassData();this.m_mass+=g.mass;a.x+=g.center.x*g.mass;a.y+=g.center.y*g.mass;this.m_I+=g.I}if(this.m_mass>0){this.m_invMass=1/this.m_mass;a.x*=this.m_invMass;a.y*=this.m_invMass}else this.m_invMass=this.m_mass=1;if(this.m_I>0&&(this.m_flags&k.e_fixedRotationFlag)==0){this.m_I-=this.m_mass*(a.x*a.x+a.y*a.y);this.m_I*=this.m_inertiaScale;A.b2Assert(this.m_I>
+0);this.m_invI=1/this.m_I}else this.m_invI=this.m_I=0;c=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(a);this.m_sweep.c0.SetV(F.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-c.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-c.x)}};k.prototype.GetWorldPoint=function(a){var c=this.m_xf.R;a=new y(c.col1.x*a.x+c.col2.x*a.y,c.col1.y*a.x+c.col2.y*a.y);a.x+=this.m_xf.position.x;
+a.y+=this.m_xf.position.y;return a};k.prototype.GetWorldVector=function(a){return F.MulMV(this.m_xf.R,a)};k.prototype.GetLocalPoint=function(a){return F.MulXT(this.m_xf,a)};k.prototype.GetLocalVector=function(a){return F.MulTMV(this.m_xf.R,a)};k.prototype.GetLinearVelocityFromWorldPoint=function(a){return new y(this.m_linearVelocity.x-this.m_angularVelocity*(a.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(a.x-this.m_sweep.c.x))};k.prototype.GetLinearVelocityFromLocalPoint=function(a){var c=
+this.m_xf.R;a=new y(c.col1.x*a.x+c.col2.x*a.y,c.col1.y*a.x+c.col2.y*a.y);a.x+=this.m_xf.position.x;a.y+=this.m_xf.position.y;return new y(this.m_linearVelocity.x-this.m_angularVelocity*(a.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(a.x-this.m_sweep.c.x))};k.prototype.GetLinearDamping=function(){return this.m_linearDamping};k.prototype.SetLinearDamping=function(a){if(a===undefined)a=0;this.m_linearDamping=a};k.prototype.GetAngularDamping=function(){return this.m_angularDamping};
+k.prototype.SetAngularDamping=function(a){if(a===undefined)a=0;this.m_angularDamping=a};k.prototype.SetType=function(a){if(a===undefined)a=0;if(this.m_type!=a){this.m_type=a;this.ResetMassData();if(this.m_type==k.b2_staticBody){this.m_linearVelocity.SetZero();this.m_angularVelocity=0}this.SetAwake(true);this.m_force.SetZero();this.m_torque=0;for(a=this.m_contactList;a;a=a.next)a.contact.FlagForFiltering()}};k.prototype.GetType=function(){return this.m_type};k.prototype.SetBullet=function(a){if(a)this.m_flags|=
+k.e_bulletFlag;else this.m_flags&=~k.e_bulletFlag};k.prototype.IsBullet=function(){return(this.m_flags&k.e_bulletFlag)==k.e_bulletFlag};k.prototype.SetSleepingAllowed=function(a){if(a)this.m_flags|=k.e_allowSleepFlag;else{this.m_flags&=~k.e_allowSleepFlag;this.SetAwake(true)}};k.prototype.SetAwake=function(a){if(a){this.m_flags|=k.e_awakeFlag;this.m_sleepTime=0}else{this.m_flags&=~k.e_awakeFlag;this.m_sleepTime=0;this.m_linearVelocity.SetZero();this.m_angularVelocity=0;this.m_force.SetZero();this.m_torque=
+0}};k.prototype.IsAwake=function(){return(this.m_flags&k.e_awakeFlag)==k.e_awakeFlag};k.prototype.SetFixedRotation=function(a){if(a)this.m_flags|=k.e_fixedRotationFlag;else this.m_flags&=~k.e_fixedRotationFlag;this.ResetMassData()};k.prototype.IsFixedRotation=function(){return(this.m_flags&k.e_fixedRotationFlag)==k.e_fixedRotationFlag};k.prototype.SetActive=function(a){if(a!=this.IsActive()){var c;if(a){this.m_flags|=k.e_activeFlag;a=this.m_world.m_contactManager.m_broadPhase;for(c=this.m_fixtureList;c;c=
+c.m_next)c.CreateProxy(a,this.m_xf)}else{this.m_flags&=~k.e_activeFlag;a=this.m_world.m_contactManager.m_broadPhase;for(c=this.m_fixtureList;c;c=c.m_next)c.DestroyProxy(a);for(a=this.m_contactList;a;){c=a;a=a.next;this.m_world.m_contactManager.Destroy(c.contact)}this.m_contactList=null}}};k.prototype.IsActive=function(){return(this.m_flags&k.e_activeFlag)==k.e_activeFlag};k.prototype.IsSleepingAllowed=function(){return(this.m_flags&k.e_allowSleepFlag)==k.e_allowSleepFlag};k.prototype.GetFixtureList=
+function(){return this.m_fixtureList};k.prototype.GetJointList=function(){return this.m_jointList};k.prototype.GetControllerList=function(){return this.m_controllerList};k.prototype.GetContactList=function(){return this.m_contactList};k.prototype.GetNext=function(){return this.m_next};k.prototype.GetUserData=function(){return this.m_userData};k.prototype.SetUserData=function(a){this.m_userData=a};k.prototype.GetWorld=function(){return this.m_world};k.prototype.b2Body=function(a,c){this.m_flags=0;
+if(a.bullet)this.m_flags|=k.e_bulletFlag;if(a.fixedRotation)this.m_flags|=k.e_fixedRotationFlag;if(a.allowSleep)this.m_flags|=k.e_allowSleepFlag;if(a.awake)this.m_flags|=k.e_awakeFlag;if(a.active)this.m_flags|=k.e_activeFlag;this.m_world=c;this.m_xf.position.SetV(a.position);this.m_xf.R.Set(a.angle);this.m_sweep.localCenter.SetZero();this.m_sweep.t0=1;this.m_sweep.a0=this.m_sweep.a=a.angle;var g=this.m_xf.R,b=this.m_sweep.localCenter;this.m_sweep.c.x=g.col1.x*b.x+g.col2.x*b.y;this.m_sweep.c.y=g.col1.y*
+b.x+g.col2.y*b.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_contactList=this.m_controllerList=this.m_jointList=null;this.m_controllerCount=0;this.m_next=this.m_prev=null;this.m_linearVelocity.SetV(a.linearVelocity);this.m_angularVelocity=a.angularVelocity;this.m_linearDamping=a.linearDamping;this.m_angularDamping=a.angularDamping;this.m_force.Set(0,0);this.m_sleepTime=this.m_torque=0;this.m_type=a.type;if(this.m_type==
+k.b2_dynamicBody)this.m_invMass=this.m_mass=1;else this.m_invMass=this.m_mass=0;this.m_invI=this.m_I=0;this.m_inertiaScale=a.inertiaScale;this.m_userData=a.userData;this.m_fixtureList=null;this.m_fixtureCount=0};k.prototype.SynchronizeFixtures=function(){var a=k.s_xf1;a.R.Set(this.m_sweep.a0);var c=a.R,g=this.m_sweep.localCenter;a.position.x=this.m_sweep.c0.x-(c.col1.x*g.x+c.col2.x*g.y);a.position.y=this.m_sweep.c0.y-(c.col1.y*g.x+c.col2.y*g.y);g=this.m_world.m_contactManager.m_broadPhase;for(c=this.m_fixtureList;c;c=
+c.m_next)c.Synchronize(g,a,this.m_xf)};k.prototype.SynchronizeTransform=function(){this.m_xf.R.Set(this.m_sweep.a);var a=this.m_xf.R,c=this.m_sweep.localCenter;this.m_xf.position.x=this.m_sweep.c.x-(a.col1.x*c.x+a.col2.x*c.y);this.m_xf.position.y=this.m_sweep.c.y-(a.col1.y*c.x+a.col2.y*c.y)};k.prototype.ShouldCollide=function(a){if(this.m_type!=k.b2_dynamicBody&&a.m_type!=k.b2_dynamicBody)return false;for(var c=this.m_jointList;c;c=c.next)if(c.other==a)if(c.joint.m_collideConnected==false)return false;
+return true};k.prototype.Advance=function(a){if(a===undefined)a=0;this.m_sweep.Advance(a);this.m_sweep.c.SetV(this.m_sweep.c0);this.m_sweep.a=this.m_sweep.a0;this.SynchronizeTransform()};Box2D.postDefs.push(function(){Box2D.Dynamics.b2Body.s_xf1=new K;Box2D.Dynamics.b2Body.e_islandFlag=1;Box2D.Dynamics.b2Body.e_awakeFlag=2;Box2D.Dynamics.b2Body.e_allowSleepFlag=4;Box2D.Dynamics.b2Body.e_bulletFlag=8;Box2D.Dynamics.b2Body.e_fixedRotationFlag=16;Box2D.Dynamics.b2Body.e_activeFlag=32;Box2D.Dynamics.b2Body.b2_staticBody=
+0;Box2D.Dynamics.b2Body.b2_kinematicBody=1;Box2D.Dynamics.b2Body.b2_dynamicBody=2});z.b2BodyDef=function(){this.position=new y;this.linearVelocity=new y};z.prototype.b2BodyDef=function(){this.userData=null;this.position.Set(0,0);this.angle=0;this.linearVelocity.Set(0,0);this.angularDamping=this.linearDamping=this.angularVelocity=0;this.awake=this.allowSleep=true;this.bullet=this.fixedRotation=false;this.type=k.b2_staticBody;this.active=true;this.inertiaScale=1};u.b2ContactFilter=function(){};u.prototype.ShouldCollide=
+function(a,c){var g=a.GetFilterData(),b=c.GetFilterData();if(g.groupIndex==b.groupIndex&&g.groupIndex!=0)return g.groupIndex>0;return(g.maskBits&b.categoryBits)!=0&&(g.categoryBits&b.maskBits)!=0};u.prototype.RayCollide=function(a,c){if(!a)return true;return this.ShouldCollide(a instanceof S?a:null,c)};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactFilter.b2_defaultFilter=new u});D.b2ContactImpulse=function(){this.normalImpulses=new Vector_a2j_Number(A.b2_maxManifoldPoints);this.tangentImpulses=
+new Vector_a2j_Number(A.b2_maxManifoldPoints)};H.b2ContactListener=function(){};H.prototype.BeginContact=function(){};H.prototype.EndContact=function(){};H.prototype.PreSolve=function(){};H.prototype.PostSolve=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactListener.b2_defaultListener=new H});O.b2ContactManager=function(){};O.prototype.b2ContactManager=function(){this.m_world=null;this.m_contactCount=0;this.m_contactFilter=u.b2_defaultFilter;this.m_contactListener=H.b2_defaultListener;
+this.m_contactFactory=new j(this.m_allocator);this.m_broadPhase=new B};O.prototype.AddPair=function(a,c){var g=a instanceof S?a:null,b=c instanceof S?c:null,e=g.GetBody(),f=b.GetBody();if(e!=f){for(var m=f.GetContactList();m;){if(m.other==e){var r=m.contact.GetFixtureA(),s=m.contact.GetFixtureB();if(r==g&&s==b)return;if(r==b&&s==g)return}m=m.next}if(f.ShouldCollide(e)!=false)if(this.m_contactFilter.ShouldCollide(g,b)!=false){m=this.m_contactFactory.Create(g,b);g=m.GetFixtureA();b=m.GetFixtureB();
+e=g.m_body;f=b.m_body;m.m_prev=null;m.m_next=this.m_world.m_contactList;if(this.m_world.m_contactList!=null)this.m_world.m_contactList.m_prev=m;this.m_world.m_contactList=m;m.m_nodeA.contact=m;m.m_nodeA.other=f;m.m_nodeA.prev=null;m.m_nodeA.next=e.m_contactList;if(e.m_contactList!=null)e.m_contactList.prev=m.m_nodeA;e.m_contactList=m.m_nodeA;m.m_nodeB.contact=m;m.m_nodeB.other=e;m.m_nodeB.prev=null;m.m_nodeB.next=f.m_contactList;if(f.m_contactList!=null)f.m_contactList.prev=m.m_nodeB;f.m_contactList=
+m.m_nodeB;++this.m_world.m_contactCount}}};O.prototype.FindNewContacts=function(){this.m_broadPhase.UpdatePairs(Box2D.generateCallback(this,this.AddPair))};O.prototype.Destroy=function(a){var c=a.GetFixtureA(),g=a.GetFixtureB();c=c.GetBody();g=g.GetBody();a.IsTouching()&&this.m_contactListener.EndContact(a);if(a.m_prev)a.m_prev.m_next=a.m_next;if(a.m_next)a.m_next.m_prev=a.m_prev;if(a==this.m_world.m_contactList)this.m_world.m_contactList=a.m_next;if(a.m_nodeA.prev)a.m_nodeA.prev.next=a.m_nodeA.next;
+if(a.m_nodeA.next)a.m_nodeA.next.prev=a.m_nodeA.prev;if(a.m_nodeA==c.m_contactList)c.m_contactList=a.m_nodeA.next;if(a.m_nodeB.prev)a.m_nodeB.prev.next=a.m_nodeB.next;if(a.m_nodeB.next)a.m_nodeB.next.prev=a.m_nodeB.prev;if(a.m_nodeB==g.m_contactList)g.m_contactList=a.m_nodeB.next;this.m_contactFactory.Destroy(a);--this.m_contactCount};O.prototype.Collide=function(){for(var a=this.m_world.m_contactList;a;){var c=a.GetFixtureA(),g=a.GetFixtureB(),b=c.GetBody(),e=g.GetBody();if(b.IsAwake()==false&&e.IsAwake()==
+false)a=a.GetNext();else{if(a.m_flags&l.e_filterFlag){if(e.ShouldCollide(b)==false){c=a;a=c.GetNext();this.Destroy(c);continue}if(this.m_contactFilter.ShouldCollide(c,g)==false){c=a;a=c.GetNext();this.Destroy(c);continue}a.m_flags&=~l.e_filterFlag}if(this.m_broadPhase.TestOverlap(c.m_proxy,g.m_proxy)==false){c=a;a=c.GetNext();this.Destroy(c)}else{a.Update(this.m_contactListener);a=a.GetNext()}}}};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactManager.s_evalCP=new p});E.b2DebugDraw=function(){};
+E.prototype.b2DebugDraw=function(){};E.prototype.SetFlags=function(){};E.prototype.GetFlags=function(){};E.prototype.AppendFlags=function(){};E.prototype.ClearFlags=function(){};E.prototype.SetSprite=function(){};E.prototype.GetSprite=function(){};E.prototype.SetDrawScale=function(){};E.prototype.GetDrawScale=function(){};E.prototype.SetLineThickness=function(){};E.prototype.GetLineThickness=function(){};E.prototype.SetAlpha=function(){};E.prototype.GetAlpha=function(){};E.prototype.SetFillAlpha=
+function(){};E.prototype.GetFillAlpha=function(){};E.prototype.SetXFormScale=function(){};E.prototype.GetXFormScale=function(){};E.prototype.DrawPolygon=function(){};E.prototype.DrawSolidPolygon=function(){};E.prototype.DrawCircle=function(){};E.prototype.DrawSolidCircle=function(){};E.prototype.DrawSegment=function(){};E.prototype.DrawTransform=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2DebugDraw.e_shapeBit=1;Box2D.Dynamics.b2DebugDraw.e_jointBit=2;Box2D.Dynamics.b2DebugDraw.e_aabbBit=
+4;Box2D.Dynamics.b2DebugDraw.e_pairBit=8;Box2D.Dynamics.b2DebugDraw.e_centerOfMassBit=16;Box2D.Dynamics.b2DebugDraw.e_controllerBit=32});R.b2DestructionListener=function(){};R.prototype.SayGoodbyeJoint=function(){};R.prototype.SayGoodbyeFixture=function(){};N.b2FilterData=function(){this.categoryBits=1;this.maskBits=65535;this.groupIndex=0};N.prototype.Copy=function(){var a=new N;a.categoryBits=this.categoryBits;a.maskBits=this.maskBits;a.groupIndex=this.groupIndex;return a};S.b2Fixture=function(){this.m_filter=
+new N};S.prototype.GetType=function(){return this.m_shape.GetType()};S.prototype.GetShape=function(){return this.m_shape};S.prototype.SetSensor=function(a){if(this.m_isSensor!=a){this.m_isSensor=a;if(this.m_body!=null)for(a=this.m_body.GetContactList();a;){var c=a.contact,g=c.GetFixtureA(),b=c.GetFixtureB();if(g==this||b==this)c.SetSensor(g.IsSensor()||b.IsSensor());a=a.next}}};S.prototype.IsSensor=function(){return this.m_isSensor};S.prototype.SetFilterData=function(a){this.m_filter=a.Copy();if(!this.m_body)for(a=
+this.m_body.GetContactList();a;){var c=a.contact,g=c.GetFixtureA(),b=c.GetFixtureB();if(g==this||b==this)c.FlagForFiltering();a=a.next}};S.prototype.GetFilterData=function(){return this.m_filter.Copy()};S.prototype.GetBody=function(){return this.m_body};S.prototype.GetNext=function(){return this.m_next};S.prototype.GetUserData=function(){return this.m_userData};S.prototype.SetUserData=function(a){this.m_userData=a};S.prototype.TestPoint=function(a){return this.m_shape.TestPoint(this.m_body.GetTransform(),
+a)};S.prototype.RayCast=function(a,c){return this.m_shape.RayCast(a,c,this.m_body.GetTransform())};S.prototype.GetMassData=function(a){if(a===undefined)a=null;if(a==null)a=new I;this.m_shape.ComputeMass(a,this.m_density);return a};S.prototype.SetDensity=function(a){if(a===undefined)a=0;this.m_density=a};S.prototype.GetDensity=function(){return this.m_density};S.prototype.GetFriction=function(){return this.m_friction};S.prototype.SetFriction=function(a){if(a===undefined)a=0;this.m_friction=a};S.prototype.GetRestitution=
+function(){return this.m_restitution};S.prototype.SetRestitution=function(a){if(a===undefined)a=0;this.m_restitution=a};S.prototype.GetAABB=function(){return this.m_aabb};S.prototype.b2Fixture=function(){this.m_aabb=new U;this.m_shape=this.m_next=this.m_body=this.m_userData=null;this.m_restitution=this.m_friction=this.m_density=0};S.prototype.Create=function(a,c,g){this.m_userData=g.userData;this.m_friction=g.friction;this.m_restitution=g.restitution;this.m_body=a;this.m_next=null;this.m_filter=g.filter.Copy();
+this.m_isSensor=g.isSensor;this.m_shape=g.shape.Copy();this.m_density=g.density};S.prototype.Destroy=function(){this.m_shape=null};S.prototype.CreateProxy=function(a,c){this.m_shape.ComputeAABB(this.m_aabb,c);this.m_proxy=a.CreateProxy(this.m_aabb,this)};S.prototype.DestroyProxy=function(a){if(this.m_proxy!=null){a.DestroyProxy(this.m_proxy);this.m_proxy=null}};S.prototype.Synchronize=function(a,c,g){if(this.m_proxy){var b=new U,e=new U;this.m_shape.ComputeAABB(b,c);this.m_shape.ComputeAABB(e,g);
+this.m_aabb.Combine(b,e);c=F.SubtractVV(g.position,c.position);a.MoveProxy(this.m_proxy,this.m_aabb,c)}};aa.b2FixtureDef=function(){this.filter=new N};aa.prototype.b2FixtureDef=function(){this.userData=this.shape=null;this.friction=0.2;this.density=this.restitution=0;this.filter.categoryBits=1;this.filter.maskBits=65535;this.filter.groupIndex=0;this.isSensor=false};Z.b2Island=function(){};Z.prototype.b2Island=function(){this.m_bodies=new Vector;this.m_contacts=new Vector;this.m_joints=new Vector};
+Z.prototype.Initialize=function(a,c,g,b,e,f){if(a===undefined)a=0;if(c===undefined)c=0;if(g===undefined)g=0;var m=0;this.m_bodyCapacity=a;this.m_contactCapacity=c;this.m_jointCapacity=g;this.m_jointCount=this.m_contactCount=this.m_bodyCount=0;this.m_allocator=b;this.m_listener=e;this.m_contactSolver=f;for(m=this.m_bodies.length;mA.b2_maxTranslationSquared){e.m_linearVelocity.Normalize();e.m_linearVelocity.x*=A.b2_maxTranslation*a.inv_dt;e.m_linearVelocity.y*=A.b2_maxTranslation*a.inv_dt}m=a.dt*e.m_angularVelocity;if(m*m>A.b2_maxRotationSquared)e.m_angularVelocity=e.m_angularVelocity<0?-A.b2_maxRotation*a.inv_dt:A.b2_maxRotation*a.inv_dt;e.m_sweep.c0.SetV(e.m_sweep.c);e.m_sweep.a0=e.m_sweep.a;e.m_sweep.c.x+=a.dt*e.m_linearVelocity.x;e.m_sweep.c.y+=
+a.dt*e.m_linearVelocity.y;e.m_sweep.a+=a.dt*e.m_angularVelocity;e.SynchronizeTransform()}}for(b=0;bm||F.Dot(e.m_linearVelocity,e.m_linearVelocity)>c)g=e.m_sleepTime=0;else{e.m_sleepTime+=a.dt;g=F.Min(g,e.m_sleepTime)}}}if(g>=A.b2_timeToSleep)for(b=0;bA.b2_maxTranslationSquared){g.m_linearVelocity.Normalize();g.m_linearVelocity.x*=A.b2_maxTranslation*
+a.inv_dt;g.m_linearVelocity.y*=A.b2_maxTranslation*a.inv_dt}e=a.dt*g.m_angularVelocity;if(e*e>A.b2_maxRotationSquared)g.m_angularVelocity=g.m_angularVelocity<0?-A.b2_maxRotation*a.inv_dt:A.b2_maxRotation*a.inv_dt;g.m_sweep.c0.SetV(g.m_sweep.c);g.m_sweep.a0=g.m_sweep.a;g.m_sweep.c.x+=a.dt*g.m_linearVelocity.x;g.m_sweep.c.y+=a.dt*g.m_linearVelocity.y;g.m_sweep.a+=a.dt*g.m_angularVelocity;g.SynchronizeTransform()}}for(c=0;c0?1/a:0;b.dtRatio=this.m_inv_dt0*a;b.warmStarting=h.m_warmStarting;this.m_contactManager.Collide();b.dt>0&&this.Solve(b);h.m_continuousPhysics&&b.dt>0&&this.SolveTOI(b);if(b.dt>0)this.m_inv_dt0=b.inv_dt;this.m_flags&=~h.e_locked};h.prototype.ClearForces=function(){for(var a=this.m_bodyList;a;a=a.m_next){a.m_force.SetZero();a.m_torque=0}};h.prototype.DrawDebugData=
+function(){if(this.m_debugDraw!=null){this.m_debugDraw.m_sprite.graphics.clear();var a=this.m_debugDraw.GetFlags(),c,g,b;new y;new y;new y;var e;new U;new U;e=[new y,new y,new y,new y];var f=new w(0,0,0);if(a&E.e_shapeBit)for(c=this.m_bodyList;c;c=c.m_next){e=c.m_xf;for(g=c.GetFixtureList();g;g=g.m_next){b=g.GetShape();if(c.IsActive()==false)f.Set(0.5,0.5,0.3);else if(c.GetType()==k.b2_staticBody)f.Set(0.5,0.9,0.5);else if(c.GetType()==k.b2_kinematicBody)f.Set(0.5,0.5,0.9);else c.IsAwake()==false?
+f.Set(0.6,0.6,0.6):f.Set(0.9,0.7,0.7);this.DrawShape(b,e,f)}}if(a&E.e_jointBit)for(c=this.m_jointList;c;c=c.m_next)this.DrawJoint(c);if(a&E.e_controllerBit)for(c=this.m_controllerList;c;c=c.m_next)c.Draw(this.m_debugDraw);if(a&E.e_pairBit){f.Set(0.3,0.9,0.9);for(c=this.m_contactManager.m_contactList;c;c=c.GetNext()){b=c.GetFixtureA();g=c.GetFixtureB();b=b.GetAABB().GetCenter();g=g.GetAABB().GetCenter();this.m_debugDraw.DrawSegment(b,g,f)}}if(a&E.e_aabbBit){b=this.m_contactManager.m_broadPhase;e=[new y,
+new y,new y,new y];for(c=this.m_bodyList;c;c=c.GetNext())if(c.IsActive()!=false)for(g=c.GetFixtureList();g;g=g.GetNext()){var m=b.GetFatAABB(g.m_proxy);e[0].Set(m.lowerBound.x,m.lowerBound.y);e[1].Set(m.upperBound.x,m.lowerBound.y);e[2].Set(m.upperBound.x,m.upperBound.y);e[3].Set(m.lowerBound.x,m.upperBound.y);this.m_debugDraw.DrawPolygon(e,4,f)}}if(a&E.e_centerOfMassBit)for(c=this.m_bodyList;c;c=c.m_next){e=h.s_xf;e.R=c.m_xf.R;e.position=c.GetWorldCenter();this.m_debugDraw.DrawTransform(e)}}};h.prototype.QueryAABB=
+function(a,c){var g=this.m_contactManager.m_broadPhase;g.Query(function(b){return a(g.GetUserData(b))},c)};h.prototype.QueryShape=function(a,c,g){if(g===undefined)g=null;if(g==null){g=new K;g.SetIdentity()}var b=this.m_contactManager.m_broadPhase,e=new U;c.ComputeAABB(e,g);b.Query(function(f){f=b.GetUserData(f)instanceof S?b.GetUserData(f):null;if(Y.TestOverlap(c,g,f.GetShape(),f.GetBody().GetTransform()))return a(f);return true},e)};h.prototype.QueryPoint=function(a,c){var g=this.m_contactManager.m_broadPhase,
+b=new U;b.lowerBound.Set(c.x-A.b2_linearSlop,c.y-A.b2_linearSlop);b.upperBound.Set(c.x+A.b2_linearSlop,c.y+A.b2_linearSlop);g.Query(function(e){e=g.GetUserData(e)instanceof S?g.GetUserData(e):null;if(e.TestPoint(c))return a(e);return true},b)};h.prototype.RayCast=function(a,c,g){var b=this.m_contactManager.m_broadPhase,e=new V,f=new Q(c,g);b.RayCast(function(m,r){var s=b.GetUserData(r);s=s instanceof S?s:null;if(s.RayCast(e,m)){var v=e.fraction,t=new y((1-v)*c.x+v*g.x,(1-v)*c.y+v*g.y);return a(s,
+t,e.normal,v)}return m.maxFraction},f)};h.prototype.RayCastOne=function(a,c){var g;this.RayCast(function(b,e,f,m){if(m===undefined)m=0;g=b;return m},a,c);return g};h.prototype.RayCastAll=function(a,c){var g=new Vector;this.RayCast(function(b){g[g.length]=b;return 1},a,c);return g};h.prototype.GetBodyList=function(){return this.m_bodyList};h.prototype.GetJointList=function(){return this.m_jointList};h.prototype.GetContactList=function(){return this.m_contactList};h.prototype.IsLocked=function(){return(this.m_flags&
+h.e_locked)>0};h.prototype.Solve=function(a){for(var c,g=this.m_controllerList;g;g=g.m_next)g.Step(a);g=this.m_island;g.Initialize(this.m_bodyCount,this.m_contactCount,this.m_jointCount,null,this.m_contactManager.m_contactListener,this.m_contactSolver);for(c=this.m_bodyList;c;c=c.m_next)c.m_flags&=~k.e_islandFlag;for(var b=this.m_contactList;b;b=b.m_next)b.m_flags&=~l.e_islandFlag;for(b=this.m_jointList;b;b=b.m_next)b.m_islandFlag=false;parseInt(this.m_bodyCount);b=this.s_stack;for(var e=this.m_bodyList;e;e=
+e.m_next)if(!(e.m_flags&k.e_islandFlag))if(!(e.IsAwake()==false||e.IsActive()==false))if(e.GetType()!=k.b2_staticBody){g.Clear();var f=0;b[f++]=e;for(e.m_flags|=k.e_islandFlag;f>0;){c=b[--f];g.AddBody(c);c.IsAwake()==false&&c.SetAwake(true);if(c.GetType()!=k.b2_staticBody){for(var m,r=c.m_contactList;r;r=r.next)if(!(r.contact.m_flags&l.e_islandFlag))if(!(r.contact.IsSensor()==true||r.contact.IsEnabled()==false||r.contact.IsTouching()==false)){g.AddContact(r.contact);r.contact.m_flags|=l.e_islandFlag;
+m=r.other;if(!(m.m_flags&k.e_islandFlag)){b[f++]=m;m.m_flags|=k.e_islandFlag}}for(c=c.m_jointList;c;c=c.next)if(c.joint.m_islandFlag!=true){m=c.other;if(m.IsActive()!=false){g.AddJoint(c.joint);c.joint.m_islandFlag=true;if(!(m.m_flags&k.e_islandFlag)){b[f++]=m;m.m_flags|=k.e_islandFlag}}}}}g.Solve(a,this.m_gravity,this.m_allowSleep);for(f=0;f0&&c<1){c=(1-c)*s+c;if(c>1)c=1}b.m_toi=c;b.m_flags|=l.e_toiFlag}if(Number.MIN_VALUE0;){c=f[b++];--m;e.AddBody(c);c.IsAwake()==false&&c.SetAwake(true);if(c.GetType()==k.b2_dynamicBody){for(g=c.m_contactList;g;g=g.next){if(e.m_contactCount==e.m_contactCapacity)break;if(!(g.contact.m_flags&l.e_islandFlag))if(!(g.contact.IsSensor()==true||g.contact.IsEnabled()==
+false||g.contact.IsTouching()==false)){e.AddContact(g.contact);g.contact.m_flags|=l.e_islandFlag;s=g.other;if(!(s.m_flags&k.e_islandFlag)){if(s.GetType()!=k.b2_staticBody){s.Advance(r);s.SetAwake(true)}f[b+m]=s;++m;s.m_flags|=k.e_islandFlag}}}for(c=c.m_jointList;c;c=c.next)if(e.m_jointCount!=e.m_jointCapacity)if(c.joint.m_islandFlag!=true){s=c.other;if(s.IsActive()!=false){e.AddJoint(c.joint);c.joint.m_islandFlag=true;if(!(s.m_flags&k.e_islandFlag)){if(s.GetType()!=k.b2_staticBody){s.Advance(r);s.SetAwake(true)}f[b+
+m]=s;++m;s.m_flags|=k.e_islandFlag}}}}}b=h.s_timestep;b.warmStarting=false;b.dt=(1-r)*a.dt;b.inv_dt=1/b.dt;b.dtRatio=0;b.velocityIterations=a.velocityIterations;b.positionIterations=a.positionIterations;e.SolveTOI(b);for(r=r=0;r0;for(c=0;c0){j.m_fixtureA.m_body.SetAwake(true);j.m_fixtureB.m_body.SetAwake(true)}var o=parseInt(j.m_fixtureA.GetType()),
+q=parseInt(j.m_fixtureB.GetType());o=this.m_registers[o][q];o.poolCount++;j.m_next=o.pool;o.pool=j;o=o.destroyFcn;o(j,this.m_allocator)};V.b2ContactRegister=function(){};M.b2ContactResult=function(){this.position=new N;this.normal=new N;this.id=new aa};L.b2ContactSolver=function(){this.m_step=new H;this.m_constraints=new Vector};L.prototype.b2ContactSolver=function(){};L.prototype.Initialize=function(j,o,q,n){if(q===undefined)q=0;var a;this.m_step.Set(j);this.m_allocator=n;j=0;for(this.m_constraintCount=
+q;this.m_constraints.length
+0);L.s_worldManifold.Initialize(m,e.m_xf,g,f.m_xf,b);c=L.s_worldManifold.m_normal.x;a=L.s_worldManifold.m_normal.y;n=this.m_constraints[j];n.bodyA=e;n.bodyB=f;n.manifold=m;n.normal.x=c;n.normal.y=a;n.pointCount=m.m_pointCount;n.friction=r;n.restitution=s;n.localPlaneNormal.x=m.m_localPlaneNormal.x;n.localPlaneNormal.y=m.m_localPlaneNormal.y;n.localPoint.x=m.m_localPoint.x;n.localPoint.y=m.m_localPoint.y;n.radius=g+b;n.type=m.m_type;for(g=0;g0?n:0;q=n-o.normalImpulse;c=q*b;q=q*e;x.x-=J*c;x.y-=J*q;v-=T*(o.rA.x*q-o.rA.y*c);C.x+=P*c;C.y+=P*q;t+=X*(o.rB.x*q-o.rB.y*c);o.normalImpulse=n}else{o=a.points[0];j=a.points[1];q=o.normalImpulse;g=j.normalImpulse;var ba=(C.x-t*o.rB.y-x.x+v*o.rA.y)*b+(C.y+t*o.rB.x-x.y-v*o.rA.x)*e,ca=(C.x-t*j.rB.y-x.x+v*j.rA.y)*b+(C.y+
+t*j.rB.x-x.y-v*j.rA.x)*e;n=ba-o.velocityBias;c=ca-j.velocityBias;f=a.K;n-=f.col1.x*q+f.col2.x*g;for(c-=f.col1.y*q+f.col2.y*g;;){f=a.normalMass;$=-(f.col1.x*n+f.col2.x*c);f=-(f.col1.y*n+f.col2.y*c);if($>=0&&f>=0){q=$-q;g=f-g;a=q*b;q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}$=-o.normalMass*n;f=0;ca=a.K.col1.y*$+c;if($>=0&&ca>=0){q=$-q;g=f-g;a=q*b;
+q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}$=0;f=-j.normalMass*c;ba=a.K.col2.x*f+n;if(f>=0&&ba>=0){q=$-q;g=f-g;a=q*b;q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}f=$=0;ba=n;ca=c;if(ba>=0&&ca>=0){q=
+$-q;g=f-g;a=q*b;q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}break}}r.m_angularVelocity=v;s.m_angularVelocity=t}};L.prototype.FinalizeVelocityConstraints=function(){for(var j=0;j-1.5*O.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2ContactSolver.s_worldManifold=new l;Box2D.Dynamics.Contacts.b2ContactSolver.s_psm=new u});Box2D.inherit(I,Box2D.Dynamics.Contacts.b2Contact);
+I.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;I.b2EdgeAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};I.Create=function(){return new I};I.Destroy=function(){};I.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o)};I.prototype.Evaluate=function(){var j=this.m_fixtureA.GetBody(),o=this.m_fixtureB.GetBody();this.b2CollideEdgeAndCircle(this.m_manifold,this.m_fixtureA.GetShape()instanceof G?this.m_fixtureA.GetShape():null,j.m_xf,
+this.m_fixtureB.GetShape()instanceof F?this.m_fixtureB.GetShape():null,o.m_xf)};I.prototype.b2CollideEdgeAndCircle=function(){};Box2D.inherit(W,Box2D.Dynamics.Contacts.b2Contact);W.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;W.b2NullContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};W.prototype.b2NullContact=function(){this.__super.b2Contact.call(this)};W.prototype.Evaluate=function(){};Box2D.inherit(Y,Box2D.Dynamics.Contacts.b2Contact);Y.prototype.__super=
+Box2D.Dynamics.Contacts.b2Contact.prototype;Y.b2PolyAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};Y.Create=function(){return new Y};Y.Destroy=function(){};Y.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o);O.b2Assert(j.GetType()==y.e_polygonShape);O.b2Assert(o.GetType()==y.e_circleShape)};Y.prototype.Evaluate=function(){var j=this.m_fixtureA.m_body,o=this.m_fixtureB.m_body;S.CollidePolygonAndCircle(this.m_manifold,this.m_fixtureA.GetShape()instanceof
+K?this.m_fixtureA.GetShape():null,j.m_xf,this.m_fixtureB.GetShape()instanceof F?this.m_fixtureB.GetShape():null,o.m_xf)};Box2D.inherit(k,Box2D.Dynamics.Contacts.b2Contact);k.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;k.b2PolyAndEdgeContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};k.Create=function(){return new k};k.Destroy=function(){};k.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o);O.b2Assert(j.GetType()==y.e_polygonShape);
+O.b2Assert(o.GetType()==y.e_edgeShape)};k.prototype.Evaluate=function(){var j=this.m_fixtureA.GetBody(),o=this.m_fixtureB.GetBody();this.b2CollidePolyAndEdge(this.m_manifold,this.m_fixtureA.GetShape()instanceof K?this.m_fixtureA.GetShape():null,j.m_xf,this.m_fixtureB.GetShape()instanceof G?this.m_fixtureB.GetShape():null,o.m_xf)};k.prototype.b2CollidePolyAndEdge=function(){};Box2D.inherit(z,Box2D.Dynamics.Contacts.b2Contact);z.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;z.b2PolygonContact=
+function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};z.Create=function(){return new z};z.Destroy=function(){};z.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o)};z.prototype.Evaluate=function(){var j=this.m_fixtureA.GetBody(),o=this.m_fixtureB.GetBody();S.CollidePolygons(this.m_manifold,this.m_fixtureA.GetShape()instanceof K?this.m_fixtureA.GetShape():null,j.m_xf,this.m_fixtureB.GetShape()instanceof K?this.m_fixtureB.GetShape():null,o.m_xf)};u.b2PositionSolverManifold=
+function(){};u.prototype.b2PositionSolverManifold=function(){this.m_normal=new N;this.m_separations=new Vector_a2j_Number(O.b2_maxManifoldPoints);this.m_points=new Vector(O.b2_maxManifoldPoints);for(var j=0;j0);var o=0,q=0,n=0,a,c=0,g=0;switch(j.type){case Z.e_circles:a=j.bodyA.m_xf.R;n=j.localPoint;o=j.bodyA.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);q=j.bodyA.m_xf.position.y+(a.col1.y*
+n.x+a.col2.y*n.y);a=j.bodyB.m_xf.R;n=j.points[0].localPoint;c=j.bodyB.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);a=j.bodyB.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);n=c-o;g=a-q;var b=n*n+g*g;if(b>Number.MIN_VALUE*Number.MIN_VALUE){b=Math.sqrt(b);this.m_normal.x=n/b;this.m_normal.y=g/b}else{this.m_normal.x=1;this.m_normal.y=0}this.m_points[0].x=0.5*(o+c);this.m_points[0].y=0.5*(q+a);this.m_separations[0]=n*this.m_normal.x+g*this.m_normal.y-j.radius;break;case Z.e_faceA:a=j.bodyA.m_xf.R;n=j.localPlaneNormal;
+this.m_normal.x=a.col1.x*n.x+a.col2.x*n.y;this.m_normal.y=a.col1.y*n.x+a.col2.y*n.y;a=j.bodyA.m_xf.R;n=j.localPoint;c=j.bodyA.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);g=j.bodyA.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);a=j.bodyB.m_xf.R;for(o=0;o0||L>0?1/Math.max(M,L):0};V.prototype.Step=function(M){M=M.dt;if(!(M<=Number.MIN_VALUE)){if(M>this.maxTimestep&&this.maxTimestep>0)M=this.maxTimestep;
+for(var L=this.m_bodyList;L;L=L.nextBody){var I=L.body;if(I.IsAwake()){var W=I.GetWorldVector(G.MulMV(this.T,I.GetLocalVector(I.GetLinearVelocity())));I.SetLinearVelocity(new K(I.GetLinearVelocity().x+W.x*M,I.GetLinearVelocity().y+W.y*M))}}}}})();
+(function(){var F=Box2D.Common.b2Settings,G=Box2D.Common.Math.b2Mat22,K=Box2D.Common.Math.b2Mat33,y=Box2D.Common.Math.b2Math,w=Box2D.Common.Math.b2Vec2,A=Box2D.Common.Math.b2Vec3,U=Box2D.Dynamics.Joints.b2DistanceJoint,p=Box2D.Dynamics.Joints.b2DistanceJointDef,B=Box2D.Dynamics.Joints.b2FrictionJoint,Q=Box2D.Dynamics.Joints.b2FrictionJointDef,V=Box2D.Dynamics.Joints.b2GearJoint,M=Box2D.Dynamics.Joints.b2GearJointDef,L=Box2D.Dynamics.Joints.b2Jacobian,I=Box2D.Dynamics.Joints.b2Joint,W=Box2D.Dynamics.Joints.b2JointDef,
+Y=Box2D.Dynamics.Joints.b2JointEdge,k=Box2D.Dynamics.Joints.b2LineJoint,z=Box2D.Dynamics.Joints.b2LineJointDef,u=Box2D.Dynamics.Joints.b2MouseJoint,D=Box2D.Dynamics.Joints.b2MouseJointDef,H=Box2D.Dynamics.Joints.b2PrismaticJoint,O=Box2D.Dynamics.Joints.b2PrismaticJointDef,E=Box2D.Dynamics.Joints.b2PulleyJoint,R=Box2D.Dynamics.Joints.b2PulleyJointDef,N=Box2D.Dynamics.Joints.b2RevoluteJoint,S=Box2D.Dynamics.Joints.b2RevoluteJointDef,aa=Box2D.Dynamics.Joints.b2WeldJoint,Z=Box2D.Dynamics.Joints.b2WeldJointDef;
+Box2D.inherit(U,Box2D.Dynamics.Joints.b2Joint);U.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;U.b2DistanceJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_u=new w};U.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};U.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};U.prototype.GetReactionForce=function(d){if(d===undefined)d=
+0;return new w(d*this.m_impulse*this.m_u.x,d*this.m_impulse*this.m_u.y)};U.prototype.GetReactionTorque=function(){return 0};U.prototype.GetLength=function(){return this.m_length};U.prototype.SetLength=function(d){if(d===undefined)d=0;this.m_length=d};U.prototype.GetFrequency=function(){return this.m_frequencyHz};U.prototype.SetFrequency=function(d){if(d===undefined)d=0;this.m_frequencyHz=d};U.prototype.GetDampingRatio=function(){return this.m_dampingRatio};U.prototype.SetDampingRatio=function(d){if(d===
+undefined)d=0;this.m_dampingRatio=d};U.prototype.b2DistanceJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_length=d.length;this.m_frequencyHz=d.frequencyHz;this.m_dampingRatio=d.dampingRatio;this.m_bias=this.m_gamma=this.m_impulse=0};U.prototype.InitVelocityConstraints=function(d){var h,l=0,j=this.m_bodyA,o=this.m_bodyB;h=j.m_xf.R;var q=this.m_localAnchor1.x-j.m_sweep.localCenter.x,n=this.m_localAnchor1.y-
+j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=this.m_localAnchor2.x-o.m_sweep.localCenter.x,c=this.m_localAnchor2.y-o.m_sweep.localCenter.y;l=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=l;this.m_u.x=o.m_sweep.c.x+a-j.m_sweep.c.x-q;this.m_u.y=o.m_sweep.c.y+c-j.m_sweep.c.y-n;l=Math.sqrt(this.m_u.x*this.m_u.x+this.m_u.y*this.m_u.y);l>F.b2_linearSlop?this.m_u.Multiply(1/l):this.m_u.SetZero();h=q*this.m_u.y-n*this.m_u.x;var g=a*this.m_u.y-c*this.m_u.x;
+h=j.m_invMass+j.m_invI*h*h+o.m_invMass+o.m_invI*g*g;this.m_mass=h!=0?1/h:0;if(this.m_frequencyHz>0){l=l-this.m_length;g=2*Math.PI*this.m_frequencyHz;var b=this.m_mass*g*g;this.m_gamma=d.dt*(2*this.m_mass*this.m_dampingRatio*g+d.dt*b);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_bias=l*d.dt*b*this.m_gamma;this.m_mass=h+this.m_gamma;this.m_mass=this.m_mass!=0?1/this.m_mass:0}if(d.warmStarting){this.m_impulse*=d.dtRatio;d=this.m_impulse*this.m_u.x;h=this.m_impulse*this.m_u.y;j.m_linearVelocity.x-=
+j.m_invMass*d;j.m_linearVelocity.y-=j.m_invMass*h;j.m_angularVelocity-=j.m_invI*(q*h-n*d);o.m_linearVelocity.x+=o.m_invMass*d;o.m_linearVelocity.y+=o.m_invMass*h;o.m_angularVelocity+=o.m_invI*(a*h-c*d)}else this.m_impulse=0};U.prototype.SolveVelocityConstraints=function(){var d,h=this.m_bodyA,l=this.m_bodyB;d=h.m_xf.R;var j=this.m_localAnchor1.x-h.m_sweep.localCenter.x,o=this.m_localAnchor1.y-h.m_sweep.localCenter.y,q=d.col1.x*j+d.col2.x*o;o=d.col1.y*j+d.col2.y*o;j=q;d=l.m_xf.R;var n=this.m_localAnchor2.x-
+l.m_sweep.localCenter.x,a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=-this.m_mass*(this.m_u.x*(l.m_linearVelocity.x+-l.m_angularVelocity*a-(h.m_linearVelocity.x+-h.m_angularVelocity*o))+this.m_u.y*(l.m_linearVelocity.y+l.m_angularVelocity*n-(h.m_linearVelocity.y+h.m_angularVelocity*j))+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=q;d=q*this.m_u.x;q=q*this.m_u.y;h.m_linearVelocity.x-=h.m_invMass*d;h.m_linearVelocity.y-=h.m_invMass*
+q;h.m_angularVelocity-=h.m_invI*(j*q-o*d);l.m_linearVelocity.x+=l.m_invMass*d;l.m_linearVelocity.y+=l.m_invMass*q;l.m_angularVelocity+=l.m_invI*(n*q-a*d)};U.prototype.SolvePositionConstraints=function(){var d;if(this.m_frequencyHz>0)return true;var h=this.m_bodyA,l=this.m_bodyB;d=h.m_xf.R;var j=this.m_localAnchor1.x-h.m_sweep.localCenter.x,o=this.m_localAnchor1.y-h.m_sweep.localCenter.y,q=d.col1.x*j+d.col2.x*o;o=d.col1.y*j+d.col2.y*o;j=q;d=l.m_xf.R;var n=this.m_localAnchor2.x-l.m_sweep.localCenter.x,
+a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=l.m_sweep.c.x+n-h.m_sweep.c.x-j;var c=l.m_sweep.c.y+a-h.m_sweep.c.y-o;d=Math.sqrt(q*q+c*c);q/=d;c/=d;d=d-this.m_length;d=y.Clamp(d,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);var g=-this.m_mass*d;this.m_u.Set(q,c);q=g*this.m_u.x;c=g*this.m_u.y;h.m_sweep.c.x-=h.m_invMass*q;h.m_sweep.c.y-=h.m_invMass*c;h.m_sweep.a-=h.m_invI*(j*c-o*q);l.m_sweep.c.x+=l.m_invMass*q;l.m_sweep.c.y+=l.m_invMass*c;
+l.m_sweep.a+=l.m_invI*(n*c-a*q);h.SynchronizeTransform();l.SynchronizeTransform();return y.Abs(d)0)this.m_angularMass=1/this.m_angularMass;if(d.warmStarting){this.m_linearImpulse.x*=d.dtRatio;this.m_linearImpulse.y*=d.dtRatio;this.m_angularImpulse*=d.dtRatio;d=this.m_linearImpulse;j.m_linearVelocity.x-=h*d.x;
+j.m_linearVelocity.y-=h*d.y;j.m_angularVelocity-=g*(q*d.y-n*d.x+this.m_angularImpulse);o.m_linearVelocity.x+=l*d.x;o.m_linearVelocity.y+=l*d.y;o.m_angularVelocity+=b*(a*d.y-c*d.x+this.m_angularImpulse)}else{this.m_linearImpulse.SetZero();this.m_angularImpulse=0}};B.prototype.SolveVelocityConstraints=function(d){var h,l=0,j=this.m_bodyA,o=this.m_bodyB,q=j.m_linearVelocity,n=j.m_angularVelocity,a=o.m_linearVelocity,c=o.m_angularVelocity,g=j.m_invMass,b=o.m_invMass,e=j.m_invI,f=o.m_invI;h=j.m_xf.R;var m=
+this.m_localAnchorA.x-j.m_sweep.localCenter.x,r=this.m_localAnchorA.y-j.m_sweep.localCenter.y;l=h.col1.x*m+h.col2.x*r;r=h.col1.y*m+h.col2.y*r;m=l;h=o.m_xf.R;var s=this.m_localAnchorB.x-o.m_sweep.localCenter.x,v=this.m_localAnchorB.y-o.m_sweep.localCenter.y;l=h.col1.x*s+h.col2.x*v;v=h.col1.y*s+h.col2.y*v;s=l;h=0;l=-this.m_angularMass*(c-n);var t=this.m_angularImpulse;h=d.dt*this.m_maxTorque;this.m_angularImpulse=y.Clamp(this.m_angularImpulse+l,-h,h);l=this.m_angularImpulse-t;n-=e*l;c+=f*l;h=y.MulMV(this.m_linearMass,
+new w(-(a.x-c*v-q.x+n*r),-(a.y+c*s-q.y-n*m)));l=this.m_linearImpulse.Copy();this.m_linearImpulse.Add(h);h=d.dt*this.m_maxForce;if(this.m_linearImpulse.LengthSquared()>h*h){this.m_linearImpulse.Normalize();this.m_linearImpulse.Multiply(h)}h=y.SubtractVV(this.m_linearImpulse,l);q.x-=g*h.x;q.y-=g*h.y;n-=e*(m*h.y-r*h.x);a.x+=b*h.x;a.y+=b*h.y;c+=f*(s*h.y-v*h.x);j.m_angularVelocity=n;o.m_angularVelocity=c};B.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(Q,Box2D.Dynamics.Joints.b2JointDef);
+Q.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;Q.b2FrictionJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w};Q.prototype.b2FrictionJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_frictionJoint;this.maxTorque=this.maxForce=0};Q.prototype.Initialize=function(d,h,l){this.bodyA=d;this.bodyB=h;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(l));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(l))};
+Box2D.inherit(V,Box2D.Dynamics.Joints.b2Joint);V.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;V.b2GearJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new w;this.m_groundAnchor2=new w;this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_J=new L};V.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};V.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};V.prototype.GetReactionForce=
+function(d){if(d===undefined)d=0;return new w(d*this.m_impulse*this.m_J.linearB.x,d*this.m_impulse*this.m_J.linearB.y)};V.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;var h=this.m_bodyB.m_xf.R,l=this.m_localAnchor1.x-this.m_bodyB.m_sweep.localCenter.x,j=this.m_localAnchor1.y-this.m_bodyB.m_sweep.localCenter.y,o=h.col1.x*l+h.col2.x*j;j=h.col1.y*l+h.col2.y*j;l=o;return d*(this.m_impulse*this.m_J.angularB-l*this.m_impulse*this.m_J.linearB.y+j*this.m_impulse*this.m_J.linearB.x)};V.prototype.GetRatio=
+function(){return this.m_ratio};V.prototype.SetRatio=function(d){if(d===undefined)d=0;this.m_ratio=d};V.prototype.b2GearJoint=function(d){this.__super.b2Joint.call(this,d);var h=parseInt(d.joint1.m_type),l=parseInt(d.joint2.m_type);this.m_prismatic2=this.m_revolute2=this.m_prismatic1=this.m_revolute1=null;var j=0,o=0;this.m_ground1=d.joint1.GetBodyA();this.m_bodyA=d.joint1.GetBodyB();if(h==I.e_revoluteJoint){this.m_revolute1=d.joint1 instanceof N?d.joint1:null;this.m_groundAnchor1.SetV(this.m_revolute1.m_localAnchor1);
+this.m_localAnchor1.SetV(this.m_revolute1.m_localAnchor2);j=this.m_revolute1.GetJointAngle()}else{this.m_prismatic1=d.joint1 instanceof H?d.joint1:null;this.m_groundAnchor1.SetV(this.m_prismatic1.m_localAnchor1);this.m_localAnchor1.SetV(this.m_prismatic1.m_localAnchor2);j=this.m_prismatic1.GetJointTranslation()}this.m_ground2=d.joint2.GetBodyA();this.m_bodyB=d.joint2.GetBodyB();if(l==I.e_revoluteJoint){this.m_revolute2=d.joint2 instanceof N?d.joint2:null;this.m_groundAnchor2.SetV(this.m_revolute2.m_localAnchor1);
+this.m_localAnchor2.SetV(this.m_revolute2.m_localAnchor2);o=this.m_revolute2.GetJointAngle()}else{this.m_prismatic2=d.joint2 instanceof H?d.joint2:null;this.m_groundAnchor2.SetV(this.m_prismatic2.m_localAnchor1);this.m_localAnchor2.SetV(this.m_prismatic2.m_localAnchor2);o=this.m_prismatic2.GetJointTranslation()}this.m_ratio=d.ratio;this.m_constant=j+this.m_ratio*o;this.m_impulse=0};V.prototype.InitVelocityConstraints=function(d){var h=this.m_ground1,l=this.m_ground2,j=this.m_bodyA,o=this.m_bodyB,
+q=0,n=0,a=0,c=0,g=a=0,b=0;this.m_J.SetZero();if(this.m_revolute1){this.m_J.angularA=-1;b+=j.m_invI}else{h=h.m_xf.R;n=this.m_prismatic1.m_localXAxis1;q=h.col1.x*n.x+h.col2.x*n.y;n=h.col1.y*n.x+h.col2.y*n.y;h=j.m_xf.R;a=this.m_localAnchor1.x-j.m_sweep.localCenter.x;c=this.m_localAnchor1.y-j.m_sweep.localCenter.y;g=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=g;a=a*n-c*q;this.m_J.linearA.Set(-q,-n);this.m_J.angularA=-a;b+=j.m_invMass+j.m_invI*a*a}if(this.m_revolute2){this.m_J.angularB=-this.m_ratio;
+b+=this.m_ratio*this.m_ratio*o.m_invI}else{h=l.m_xf.R;n=this.m_prismatic2.m_localXAxis1;q=h.col1.x*n.x+h.col2.x*n.y;n=h.col1.y*n.x+h.col2.y*n.y;h=o.m_xf.R;a=this.m_localAnchor2.x-o.m_sweep.localCenter.x;c=this.m_localAnchor2.y-o.m_sweep.localCenter.y;g=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=g;a=a*n-c*q;this.m_J.linearB.Set(-this.m_ratio*q,-this.m_ratio*n);this.m_J.angularB=-this.m_ratio*a;b+=this.m_ratio*this.m_ratio*(o.m_invMass+o.m_invI*a*a)}this.m_mass=b>0?1/b:0;if(d.warmStarting){j.m_linearVelocity.x+=
+j.m_invMass*this.m_impulse*this.m_J.linearA.x;j.m_linearVelocity.y+=j.m_invMass*this.m_impulse*this.m_J.linearA.y;j.m_angularVelocity+=j.m_invI*this.m_impulse*this.m_J.angularA;o.m_linearVelocity.x+=o.m_invMass*this.m_impulse*this.m_J.linearB.x;o.m_linearVelocity.y+=o.m_invMass*this.m_impulse*this.m_J.linearB.y;o.m_angularVelocity+=o.m_invI*this.m_impulse*this.m_J.angularB}else this.m_impulse=0};V.prototype.SolveVelocityConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l=-this.m_mass*this.m_J.Compute(d.m_linearVelocity,
+d.m_angularVelocity,h.m_linearVelocity,h.m_angularVelocity);this.m_impulse+=l;d.m_linearVelocity.x+=d.m_invMass*l*this.m_J.linearA.x;d.m_linearVelocity.y+=d.m_invMass*l*this.m_J.linearA.y;d.m_angularVelocity+=d.m_invI*l*this.m_J.angularA;h.m_linearVelocity.x+=h.m_invMass*l*this.m_J.linearB.x;h.m_linearVelocity.y+=h.m_invMass*l*this.m_J.linearB.y;h.m_angularVelocity+=h.m_invI*l*this.m_J.angularB};V.prototype.SolvePositionConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l=0,j=0;l=this.m_revolute1?
+this.m_revolute1.GetJointAngle():this.m_prismatic1.GetJointTranslation();j=this.m_revolute2?this.m_revolute2.GetJointAngle():this.m_prismatic2.GetJointTranslation();l=-this.m_mass*(this.m_constant-(l+this.m_ratio*j));d.m_sweep.c.x+=d.m_invMass*l*this.m_J.linearA.x;d.m_sweep.c.y+=d.m_invMass*l*this.m_J.linearA.y;d.m_sweep.a+=d.m_invI*l*this.m_J.angularA;h.m_sweep.c.x+=h.m_invMass*l*this.m_J.linearB.x;h.m_sweep.c.y+=h.m_invMass*l*this.m_J.linearB.y;h.m_sweep.a+=h.m_invI*l*this.m_J.angularB;d.SynchronizeTransform();
+h.SynchronizeTransform();return 0Number.MIN_VALUE?1/this.m_motorMass:0;this.m_perp.SetV(y.MulMV(q.R,this.m_localYAxis1));this.m_s1=(j+n)*this.m_perp.y-(o+a)*this.m_perp.x;this.m_s2=c*this.m_perp.y-
+g*this.m_perp.x;q=this.m_invMassA;n=this.m_invMassB;a=this.m_invIA;c=this.m_invIB;this.m_K.col1.x=q+n+a*this.m_s1*this.m_s1+c*this.m_s2*this.m_s2;this.m_K.col1.y=a*this.m_s1*this.m_a1+c*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=q+n+a*this.m_a1*this.m_a1+c*this.m_a2*this.m_a2;if(this.m_enableLimit){j=this.m_axis.x*j+this.m_axis.y*o;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop)this.m_limitState=I.e_equalLimits;else if(j<=this.m_lowerTranslation){if(this.m_limitState!=
+I.e_atLowerLimit){this.m_limitState=I.e_atLowerLimit;this.m_impulse.y=0}}else if(j>=this.m_upperTranslation){if(this.m_limitState!=I.e_atUpperLimit){this.m_limitState=I.e_atUpperLimit;this.m_impulse.y=0}}else{this.m_limitState=I.e_inactiveLimit;this.m_impulse.y=0}}else this.m_limitState=I.e_inactiveLimit;if(this.m_enableMotor==false)this.m_motorImpulse=0;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_motorImpulse*=d.dtRatio;d=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+
+this.m_impulse.y)*this.m_axis.x;j=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.y;o=this.m_impulse.x*this.m_s1+(this.m_motorImpulse+this.m_impulse.y)*this.m_a1;q=this.m_impulse.x*this.m_s2+(this.m_motorImpulse+this.m_impulse.y)*this.m_a2;h.m_linearVelocity.x-=this.m_invMassA*d;h.m_linearVelocity.y-=this.m_invMassA*j;h.m_angularVelocity-=this.m_invIA*o;l.m_linearVelocity.x+=this.m_invMassB*d;l.m_linearVelocity.y+=this.m_invMassB*j;l.m_angularVelocity+=this.m_invIB*
+q}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};k.prototype.SolveVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j=h.m_linearVelocity,o=h.m_angularVelocity,q=l.m_linearVelocity,n=l.m_angularVelocity,a=0,c=0,g=0,b=0;if(this.m_enableMotor&&this.m_limitState!=I.e_equalLimits){b=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o));a=this.m_motorImpulse;c=d.dt*this.m_maxMotorForce;this.m_motorImpulse=y.Clamp(this.m_motorImpulse+
+b,-c,c);b=this.m_motorImpulse-a;a=b*this.m_axis.x;c=b*this.m_axis.y;g=b*this.m_a1;b=b*this.m_a2;j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b}c=this.m_perp.x*(q.x-j.x)+this.m_perp.y*(q.y-j.y)+this.m_s2*n-this.m_s1*o;if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){g=this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o;a=this.m_impulse.Copy();d=this.m_K.Solve(new w,-c,-g);this.m_impulse.Add(d);
+if(this.m_limitState==I.e_atLowerLimit)this.m_impulse.y=y.Max(this.m_impulse.y,0);else if(this.m_limitState==I.e_atUpperLimit)this.m_impulse.y=y.Min(this.m_impulse.y,0);c=-c-(this.m_impulse.y-a.y)*this.m_K.col2.x;g=0;g=this.m_K.col1.x!=0?c/this.m_K.col1.x+a.x:a.x;this.m_impulse.x=g;d.x=this.m_impulse.x-a.x;d.y=this.m_impulse.y-a.y;a=d.x*this.m_perp.x+d.y*this.m_axis.x;c=d.x*this.m_perp.y+d.y*this.m_axis.y;g=d.x*this.m_s1+d.y*this.m_a1;b=d.x*this.m_s2+d.y*this.m_a2}else{d=0;d=this.m_K.col1.x!=0?-c/
+this.m_K.col1.x:0;this.m_impulse.x+=d;a=d*this.m_perp.x;c=d*this.m_perp.y;g=d*this.m_s1;b=d*this.m_s2}j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b;h.m_linearVelocity.SetV(j);h.m_angularVelocity=o;l.m_linearVelocity.SetV(q);l.m_angularVelocity=n};k.prototype.SolvePositionConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l=d.m_sweep.c,j=d.m_sweep.a,o=h.m_sweep.c,q=h.m_sweep.a,n,a=0,c=0,g=0,b=0,e=n=0,f=0;c=false;
+var m=0,r=G.FromAngle(j);g=G.FromAngle(q);n=r;f=this.m_localAnchor1.x-this.m_localCenterA.x;var s=this.m_localAnchor1.y-this.m_localCenterA.y;a=n.col1.x*f+n.col2.x*s;s=n.col1.y*f+n.col2.y*s;f=a;n=g;g=this.m_localAnchor2.x-this.m_localCenterB.x;b=this.m_localAnchor2.y-this.m_localCenterB.y;a=n.col1.x*g+n.col2.x*b;b=n.col1.y*g+n.col2.y*b;g=a;n=o.x+g-l.x-f;a=o.y+b-l.y-s;if(this.m_enableLimit){this.m_axis=y.MulMV(r,this.m_localXAxis1);this.m_a1=(n+f)*this.m_axis.y-(a+s)*this.m_axis.x;this.m_a2=g*this.m_axis.y-
+b*this.m_axis.x;var v=this.m_axis.x*n+this.m_axis.y*a;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop){m=y.Clamp(v,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);e=y.Abs(v);c=true}else if(v<=this.m_lowerTranslation){m=y.Clamp(v-this.m_lowerTranslation+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);e=this.m_lowerTranslation-v;c=true}else if(v>=this.m_upperTranslation){m=y.Clamp(v-this.m_upperTranslation+F.b2_linearSlop,0,F.b2_maxLinearCorrection);e=v-this.m_upperTranslation;
+c=true}}this.m_perp=y.MulMV(r,this.m_localYAxis1);this.m_s1=(n+f)*this.m_perp.y-(a+s)*this.m_perp.x;this.m_s2=g*this.m_perp.y-b*this.m_perp.x;r=new w;s=this.m_perp.x*n+this.m_perp.y*a;e=y.Max(e,y.Abs(s));f=0;if(c){c=this.m_invMassA;g=this.m_invMassB;b=this.m_invIA;n=this.m_invIB;this.m_K.col1.x=c+g+b*this.m_s1*this.m_s1+n*this.m_s2*this.m_s2;this.m_K.col1.y=b*this.m_s1*this.m_a1+n*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=c+g+b*this.m_a1*this.m_a1+n*this.m_a2*this.m_a2;this.m_K.Solve(r,
+-s,-m)}else{c=this.m_invMassA;g=this.m_invMassB;b=this.m_invIA;n=this.m_invIB;m=c+g+b*this.m_s1*this.m_s1+n*this.m_s2*this.m_s2;c=0;c=m!=0?-s/m:0;r.x=c;r.y=0}m=r.x*this.m_perp.x+r.y*this.m_axis.x;c=r.x*this.m_perp.y+r.y*this.m_axis.y;s=r.x*this.m_s1+r.y*this.m_a1;r=r.x*this.m_s2+r.y*this.m_a2;l.x-=this.m_invMassA*m;l.y-=this.m_invMassA*c;j-=this.m_invIA*s;o.x+=this.m_invMassB*m;o.y+=this.m_invMassB*c;q+=this.m_invIB*r;d.m_sweep.a=j;h.m_sweep.a=q;d.SynchronizeTransform();h.SynchronizeTransform();return e<=
+F.b2_linearSlop&&f<=F.b2_angularSlop};Box2D.inherit(z,Box2D.Dynamics.Joints.b2JointDef);z.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;z.b2LineJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w;this.localAxisA=new w};z.prototype.b2LineJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_lineJoint;this.localAxisA.Set(1,0);this.enableLimit=false;this.upperTranslation=this.lowerTranslation=
+0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=0};z.prototype.Initialize=function(d,h,l,j){this.bodyA=d;this.bodyB=h;this.localAnchorA=this.bodyA.GetLocalPoint(l);this.localAnchorB=this.bodyB.GetLocalPoint(l);this.localAxisA=this.bodyA.GetLocalVector(j)};Box2D.inherit(u,Box2D.Dynamics.Joints.b2Joint);u.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;u.b2MouseJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.K=new G;this.K1=new G;this.K2=new G;
+this.m_localAnchor=new w;this.m_target=new w;this.m_impulse=new w;this.m_mass=new G;this.m_C=new w};u.prototype.GetAnchorA=function(){return this.m_target};u.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor)};u.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};u.prototype.GetReactionTorque=function(){return 0};u.prototype.GetTarget=function(){return this.m_target};u.prototype.SetTarget=function(d){this.m_bodyB.IsAwake()==
+false&&this.m_bodyB.SetAwake(true);this.m_target=d};u.prototype.GetMaxForce=function(){return this.m_maxForce};u.prototype.SetMaxForce=function(d){if(d===undefined)d=0;this.m_maxForce=d};u.prototype.GetFrequency=function(){return this.m_frequencyHz};u.prototype.SetFrequency=function(d){if(d===undefined)d=0;this.m_frequencyHz=d};u.prototype.GetDampingRatio=function(){return this.m_dampingRatio};u.prototype.SetDampingRatio=function(d){if(d===undefined)d=0;this.m_dampingRatio=d};u.prototype.b2MouseJoint=
+function(d){this.__super.b2Joint.call(this,d);this.m_target.SetV(d.target);var h=this.m_target.x-this.m_bodyB.m_xf.position.x,l=this.m_target.y-this.m_bodyB.m_xf.position.y,j=this.m_bodyB.m_xf.R;this.m_localAnchor.x=h*j.col1.x+l*j.col1.y;this.m_localAnchor.y=h*j.col2.x+l*j.col2.y;this.m_maxForce=d.maxForce;this.m_impulse.SetZero();this.m_frequencyHz=d.frequencyHz;this.m_dampingRatio=d.dampingRatio;this.m_gamma=this.m_beta=0};u.prototype.InitVelocityConstraints=function(d){var h=this.m_bodyB,l=h.GetMass(),
+j=2*Math.PI*this.m_frequencyHz,o=l*j*j;this.m_gamma=d.dt*(2*l*this.m_dampingRatio*j+d.dt*o);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_beta=d.dt*o*this.m_gamma;o=h.m_xf.R;l=this.m_localAnchor.x-h.m_sweep.localCenter.x;j=this.m_localAnchor.y-h.m_sweep.localCenter.y;var q=o.col1.x*l+o.col2.x*j;j=o.col1.y*l+o.col2.y*j;l=q;o=h.m_invMass;q=h.m_invI;this.K1.col1.x=o;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=o;this.K2.col1.x=q*j*j;this.K2.col2.x=-q*l*j;this.K2.col1.y=-q*l*j;this.K2.col2.y=
+q*l*l;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.col1.x+=this.m_gamma;this.K.col2.y+=this.m_gamma;this.K.GetInverse(this.m_mass);this.m_C.x=h.m_sweep.c.x+l-this.m_target.x;this.m_C.y=h.m_sweep.c.y+j-this.m_target.y;h.m_angularVelocity*=0.98;this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;h.m_linearVelocity.x+=o*this.m_impulse.x;h.m_linearVelocity.y+=o*this.m_impulse.y;h.m_angularVelocity+=q*(l*this.m_impulse.y-j*this.m_impulse.x)};u.prototype.SolveVelocityConstraints=function(d){var h=
+this.m_bodyB,l,j=0,o=0;l=h.m_xf.R;var q=this.m_localAnchor.x-h.m_sweep.localCenter.x,n=this.m_localAnchor.y-h.m_sweep.localCenter.y;j=l.col1.x*q+l.col2.x*n;n=l.col1.y*q+l.col2.y*n;q=j;j=h.m_linearVelocity.x+-h.m_angularVelocity*n;var a=h.m_linearVelocity.y+h.m_angularVelocity*q;l=this.m_mass;j=j+this.m_beta*this.m_C.x+this.m_gamma*this.m_impulse.x;o=a+this.m_beta*this.m_C.y+this.m_gamma*this.m_impulse.y;a=-(l.col1.x*j+l.col2.x*o);o=-(l.col1.y*j+l.col2.y*o);l=this.m_impulse.x;j=this.m_impulse.y;this.m_impulse.x+=
+a;this.m_impulse.y+=o;d=d.dt*this.m_maxForce;this.m_impulse.LengthSquared()>d*d&&this.m_impulse.Multiply(d/this.m_impulse.Length());a=this.m_impulse.x-l;o=this.m_impulse.y-j;h.m_linearVelocity.x+=h.m_invMass*a;h.m_linearVelocity.y+=h.m_invMass*o;h.m_angularVelocity+=h.m_invI*(q*o-n*a)};u.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(D,Box2D.Dynamics.Joints.b2JointDef);D.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;D.b2MouseJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,
+arguments);this.target=new w};D.prototype.b2MouseJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_mouseJoint;this.maxForce=0;this.frequencyHz=5;this.dampingRatio=0.7};Box2D.inherit(H,Box2D.Dynamics.Joints.b2Joint);H.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;H.b2PrismaticJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_localXAxis1=new w;this.m_localYAxis1=new w;this.m_axis=new w;
+this.m_perp=new w;this.m_K=new K;this.m_impulse=new A};H.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};H.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};H.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x),d*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y))};H.prototype.GetReactionTorque=
+function(d){if(d===undefined)d=0;return d*this.m_impulse.y};H.prototype.GetJointTranslation=function(){var d=this.m_bodyA,h=this.m_bodyB,l=d.GetWorldPoint(this.m_localAnchor1),j=h.GetWorldPoint(this.m_localAnchor2);h=j.x-l.x;l=j.y-l.y;d=d.GetWorldVector(this.m_localXAxis1);return d.x*h+d.y*l};H.prototype.GetJointSpeed=function(){var d=this.m_bodyA,h=this.m_bodyB,l;l=d.m_xf.R;var j=this.m_localAnchor1.x-d.m_sweep.localCenter.x,o=this.m_localAnchor1.y-d.m_sweep.localCenter.y,q=l.col1.x*j+l.col2.x*o;
+o=l.col1.y*j+l.col2.y*o;j=q;l=h.m_xf.R;var n=this.m_localAnchor2.x-h.m_sweep.localCenter.x,a=this.m_localAnchor2.y-h.m_sweep.localCenter.y;q=l.col1.x*n+l.col2.x*a;a=l.col1.y*n+l.col2.y*a;n=q;l=h.m_sweep.c.x+n-(d.m_sweep.c.x+j);q=h.m_sweep.c.y+a-(d.m_sweep.c.y+o);var c=d.GetWorldVector(this.m_localXAxis1),g=d.m_linearVelocity,b=h.m_linearVelocity;d=d.m_angularVelocity;h=h.m_angularVelocity;return l*-d*c.y+q*d*c.x+(c.x*(b.x+-h*a-g.x- -d*o)+c.y*(b.y+h*n-g.y-d*j))};H.prototype.IsLimitEnabled=function(){return this.m_enableLimit};
+H.prototype.EnableLimit=function(d){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableLimit=d};H.prototype.GetLowerLimit=function(){return this.m_lowerTranslation};H.prototype.GetUpperLimit=function(){return this.m_upperTranslation};H.prototype.SetLimits=function(d,h){if(d===undefined)d=0;if(h===undefined)h=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_lowerTranslation=d;this.m_upperTranslation=h};H.prototype.IsMotorEnabled=function(){return this.m_enableMotor};
+H.prototype.EnableMotor=function(d){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableMotor=d};H.prototype.SetMotorSpeed=function(d){if(d===undefined)d=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=d};H.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};H.prototype.SetMaxMotorForce=function(d){if(d===undefined)d=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_maxMotorForce=d};H.prototype.GetMotorForce=function(){return this.m_motorImpulse};
+H.prototype.b2PrismaticJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_localXAxis1.SetV(d.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_refAngle=d.referenceAngle;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motorMass=0;this.m_lowerTranslation=d.lowerTranslation;this.m_upperTranslation=d.upperTranslation;this.m_maxMotorForce=d.maxMotorForce;this.m_motorSpeed=
+d.motorSpeed;this.m_enableLimit=d.enableLimit;this.m_enableMotor=d.enableMotor;this.m_limitState=I.e_inactiveLimit;this.m_axis.SetZero();this.m_perp.SetZero()};H.prototype.InitVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j,o=0;this.m_localCenterA.SetV(h.GetLocalCenter());this.m_localCenterB.SetV(l.GetLocalCenter());var q=h.GetTransform();l.GetTransform();j=h.m_xf.R;var n=this.m_localAnchor1.x-this.m_localCenterA.x,a=this.m_localAnchor1.y-this.m_localCenterA.y;o=j.col1.x*n+j.col2.x*
+a;a=j.col1.y*n+j.col2.y*a;n=o;j=l.m_xf.R;var c=this.m_localAnchor2.x-this.m_localCenterB.x,g=this.m_localAnchor2.y-this.m_localCenterB.y;o=j.col1.x*c+j.col2.x*g;g=j.col1.y*c+j.col2.y*g;c=o;j=l.m_sweep.c.x+c-h.m_sweep.c.x-n;o=l.m_sweep.c.y+g-h.m_sweep.c.y-a;this.m_invMassA=h.m_invMass;this.m_invMassB=l.m_invMass;this.m_invIA=h.m_invI;this.m_invIB=l.m_invI;this.m_axis.SetV(y.MulMV(q.R,this.m_localXAxis1));this.m_a1=(j+n)*this.m_axis.y-(o+a)*this.m_axis.x;this.m_a2=c*this.m_axis.y-g*this.m_axis.x;this.m_motorMass=
+this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_a1*this.m_a1+this.m_invIB*this.m_a2*this.m_a2;if(this.m_motorMass>Number.MIN_VALUE)this.m_motorMass=1/this.m_motorMass;this.m_perp.SetV(y.MulMV(q.R,this.m_localYAxis1));this.m_s1=(j+n)*this.m_perp.y-(o+a)*this.m_perp.x;this.m_s2=c*this.m_perp.y-g*this.m_perp.x;q=this.m_invMassA;n=this.m_invMassB;a=this.m_invIA;c=this.m_invIB;this.m_K.col1.x=q+n+a*this.m_s1*this.m_s1+c*this.m_s2*this.m_s2;this.m_K.col1.y=a*this.m_s1+c*this.m_s2;this.m_K.col1.z=a*
+this.m_s1*this.m_a1+c*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=a+c;this.m_K.col2.z=a*this.m_a1+c*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=q+n+a*this.m_a1*this.m_a1+c*this.m_a2*this.m_a2;if(this.m_enableLimit){j=this.m_axis.x*j+this.m_axis.y*o;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop)this.m_limitState=I.e_equalLimits;else if(j<=this.m_lowerTranslation){if(this.m_limitState!=I.e_atLowerLimit){this.m_limitState=
+I.e_atLowerLimit;this.m_impulse.z=0}}else if(j>=this.m_upperTranslation){if(this.m_limitState!=I.e_atUpperLimit){this.m_limitState=I.e_atUpperLimit;this.m_impulse.z=0}}else{this.m_limitState=I.e_inactiveLimit;this.m_impulse.z=0}}else this.m_limitState=I.e_inactiveLimit;if(this.m_enableMotor==false)this.m_motorImpulse=0;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_motorImpulse*=d.dtRatio;d=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x;
+j=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y;o=this.m_impulse.x*this.m_s1+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a1;q=this.m_impulse.x*this.m_s2+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a2;h.m_linearVelocity.x-=this.m_invMassA*d;h.m_linearVelocity.y-=this.m_invMassA*j;h.m_angularVelocity-=this.m_invIA*o;l.m_linearVelocity.x+=this.m_invMassB*d;l.m_linearVelocity.y+=this.m_invMassB*j;l.m_angularVelocity+=this.m_invIB*
+q}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};H.prototype.SolveVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j=h.m_linearVelocity,o=h.m_angularVelocity,q=l.m_linearVelocity,n=l.m_angularVelocity,a=0,c=0,g=0,b=0;if(this.m_enableMotor&&this.m_limitState!=I.e_equalLimits){b=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o));a=this.m_motorImpulse;d=d.dt*this.m_maxMotorForce;this.m_motorImpulse=y.Clamp(this.m_motorImpulse+
+b,-d,d);b=this.m_motorImpulse-a;a=b*this.m_axis.x;c=b*this.m_axis.y;g=b*this.m_a1;b=b*this.m_a2;j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b}g=this.m_perp.x*(q.x-j.x)+this.m_perp.y*(q.y-j.y)+this.m_s2*n-this.m_s1*o;c=n-o;if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){d=this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o;a=this.m_impulse.Copy();d=this.m_K.Solve33(new A,-g,-c,-d);this.m_impulse.Add(d);
+if(this.m_limitState==I.e_atLowerLimit)this.m_impulse.z=y.Max(this.m_impulse.z,0);else if(this.m_limitState==I.e_atUpperLimit)this.m_impulse.z=y.Min(this.m_impulse.z,0);g=-g-(this.m_impulse.z-a.z)*this.m_K.col3.x;c=-c-(this.m_impulse.z-a.z)*this.m_K.col3.y;c=this.m_K.Solve22(new w,g,c);c.x+=a.x;c.y+=a.y;this.m_impulse.x=c.x;this.m_impulse.y=c.y;d.x=this.m_impulse.x-a.x;d.y=this.m_impulse.y-a.y;d.z=this.m_impulse.z-a.z;a=d.x*this.m_perp.x+d.z*this.m_axis.x;c=d.x*this.m_perp.y+d.z*this.m_axis.y;g=d.x*
+this.m_s1+d.y+d.z*this.m_a1;b=d.x*this.m_s2+d.y+d.z*this.m_a2}else{d=this.m_K.Solve22(new w,-g,-c);this.m_impulse.x+=d.x;this.m_impulse.y+=d.y;a=d.x*this.m_perp.x;c=d.x*this.m_perp.y;g=d.x*this.m_s1+d.y;b=d.x*this.m_s2+d.y}j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b;h.m_linearVelocity.SetV(j);h.m_angularVelocity=o;l.m_linearVelocity.SetV(q);l.m_angularVelocity=n};H.prototype.SolvePositionConstraints=function(){var d=
+this.m_bodyA,h=this.m_bodyB,l=d.m_sweep.c,j=d.m_sweep.a,o=h.m_sweep.c,q=h.m_sweep.a,n,a=0,c=0,g=0,b=a=n=0,e=0;c=false;var f=0,m=G.FromAngle(j),r=G.FromAngle(q);n=m;e=this.m_localAnchor1.x-this.m_localCenterA.x;var s=this.m_localAnchor1.y-this.m_localCenterA.y;a=n.col1.x*e+n.col2.x*s;s=n.col1.y*e+n.col2.y*s;e=a;n=r;r=this.m_localAnchor2.x-this.m_localCenterB.x;g=this.m_localAnchor2.y-this.m_localCenterB.y;a=n.col1.x*r+n.col2.x*g;g=n.col1.y*r+n.col2.y*g;r=a;n=o.x+r-l.x-e;a=o.y+g-l.y-s;if(this.m_enableLimit){this.m_axis=
+y.MulMV(m,this.m_localXAxis1);this.m_a1=(n+e)*this.m_axis.y-(a+s)*this.m_axis.x;this.m_a2=r*this.m_axis.y-g*this.m_axis.x;var v=this.m_axis.x*n+this.m_axis.y*a;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop){f=y.Clamp(v,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);b=y.Abs(v);c=true}else if(v<=this.m_lowerTranslation){f=y.Clamp(v-this.m_lowerTranslation+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);b=this.m_lowerTranslation-v;c=true}else if(v>=this.m_upperTranslation){f=
+y.Clamp(v-this.m_upperTranslation+F.b2_linearSlop,0,F.b2_maxLinearCorrection);b=v-this.m_upperTranslation;c=true}}this.m_perp=y.MulMV(m,this.m_localYAxis1);this.m_s1=(n+e)*this.m_perp.y-(a+s)*this.m_perp.x;this.m_s2=r*this.m_perp.y-g*this.m_perp.x;m=new A;s=this.m_perp.x*n+this.m_perp.y*a;r=q-j-this.m_refAngle;b=y.Max(b,y.Abs(s));e=y.Abs(r);if(c){c=this.m_invMassA;g=this.m_invMassB;n=this.m_invIA;a=this.m_invIB;this.m_K.col1.x=c+g+n*this.m_s1*this.m_s1+a*this.m_s2*this.m_s2;this.m_K.col1.y=n*this.m_s1+
+a*this.m_s2;this.m_K.col1.z=n*this.m_s1*this.m_a1+a*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=n+a;this.m_K.col2.z=n*this.m_a1+a*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=c+g+n*this.m_a1*this.m_a1+a*this.m_a2*this.m_a2;this.m_K.Solve33(m,-s,-r,-f)}else{c=this.m_invMassA;g=this.m_invMassB;n=this.m_invIA;a=this.m_invIB;f=n*this.m_s1+a*this.m_s2;v=n+a;this.m_K.col1.Set(c+g+n*this.m_s1*this.m_s1+a*this.m_s2*this.m_s2,f,0);this.m_K.col2.Set(f,
+v,0);f=this.m_K.Solve22(new w,-s,-r);m.x=f.x;m.y=f.y;m.z=0}f=m.x*this.m_perp.x+m.z*this.m_axis.x;c=m.x*this.m_perp.y+m.z*this.m_axis.y;s=m.x*this.m_s1+m.y+m.z*this.m_a1;m=m.x*this.m_s2+m.y+m.z*this.m_a2;l.x-=this.m_invMassA*f;l.y-=this.m_invMassA*c;j-=this.m_invIA*s;o.x+=this.m_invMassB*f;o.y+=this.m_invMassB*c;q+=this.m_invIB*m;d.m_sweep.a=j;h.m_sweep.a=q;d.SynchronizeTransform();h.SynchronizeTransform();return b<=F.b2_linearSlop&&e<=F.b2_angularSlop};Box2D.inherit(O,Box2D.Dynamics.Joints.b2JointDef);
+O.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;O.b2PrismaticJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w;this.localAxisA=new w};O.prototype.b2PrismaticJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_prismaticJoint;this.localAxisA.Set(1,0);this.referenceAngle=0;this.enableLimit=false;this.upperTranslation=this.lowerTranslation=0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=
+0};O.prototype.Initialize=function(d,h,l,j){this.bodyA=d;this.bodyB=h;this.localAnchorA=this.bodyA.GetLocalPoint(l);this.localAnchorB=this.bodyB.GetLocalPoint(l);this.localAxisA=this.bodyA.GetLocalVector(j);this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()};Box2D.inherit(E,Box2D.Dynamics.Joints.b2Joint);E.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;E.b2PulleyJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new w;this.m_groundAnchor2=
+new w;this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_u1=new w;this.m_u2=new w};E.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};E.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};E.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*this.m_impulse*this.m_u2.x,d*this.m_impulse*this.m_u2.y)};E.prototype.GetReactionTorque=function(){return 0};E.prototype.GetGroundAnchorA=function(){var d=
+this.m_ground.m_xf.position.Copy();d.Add(this.m_groundAnchor1);return d};E.prototype.GetGroundAnchorB=function(){var d=this.m_ground.m_xf.position.Copy();d.Add(this.m_groundAnchor2);return d};E.prototype.GetLength1=function(){var d=this.m_bodyA.GetWorldPoint(this.m_localAnchor1),h=d.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x);d=d.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y);return Math.sqrt(h*h+d*d)};E.prototype.GetLength2=function(){var d=this.m_bodyB.GetWorldPoint(this.m_localAnchor2),
+h=d.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor2.x);d=d.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor2.y);return Math.sqrt(h*h+d*d)};E.prototype.GetRatio=function(){return this.m_ratio};E.prototype.b2PulleyJoint=function(d){this.__super.b2Joint.call(this,d);this.m_ground=this.m_bodyA.m_world.m_groundBody;this.m_groundAnchor1.x=d.groundAnchorA.x-this.m_ground.m_xf.position.x;this.m_groundAnchor1.y=d.groundAnchorA.y-this.m_ground.m_xf.position.y;this.m_groundAnchor2.x=d.groundAnchorB.x-
+this.m_ground.m_xf.position.x;this.m_groundAnchor2.y=d.groundAnchorB.y-this.m_ground.m_xf.position.y;this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_ratio=d.ratio;this.m_constant=d.lengthA+this.m_ratio*d.lengthB;this.m_maxLength1=y.Min(d.maxLengthA,this.m_constant-this.m_ratio*E.b2_minPulleyLength);this.m_maxLength2=y.Min(d.maxLengthB,(this.m_constant-E.b2_minPulleyLength)/this.m_ratio);this.m_limitImpulse2=this.m_limitImpulse1=this.m_impulse=0};E.prototype.InitVelocityConstraints=
+function(d){var h=this.m_bodyA,l=this.m_bodyB,j;j=h.m_xf.R;var o=this.m_localAnchor1.x-h.m_sweep.localCenter.x,q=this.m_localAnchor1.y-h.m_sweep.localCenter.y,n=j.col1.x*o+j.col2.x*q;q=j.col1.y*o+j.col2.y*q;o=n;j=l.m_xf.R;var a=this.m_localAnchor2.x-l.m_sweep.localCenter.x,c=this.m_localAnchor2.y-l.m_sweep.localCenter.y;n=j.col1.x*a+j.col2.x*c;c=j.col1.y*a+j.col2.y*c;a=n;j=l.m_sweep.c.x+a;n=l.m_sweep.c.y+c;var g=this.m_ground.m_xf.position.x+this.m_groundAnchor2.x,b=this.m_ground.m_xf.position.y+
+this.m_groundAnchor2.y;this.m_u1.Set(h.m_sweep.c.x+o-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x),h.m_sweep.c.y+q-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y));this.m_u2.Set(j-g,n-b);j=this.m_u1.Length();n=this.m_u2.Length();j>F.b2_linearSlop?this.m_u1.Multiply(1/j):this.m_u1.SetZero();n>F.b2_linearSlop?this.m_u2.Multiply(1/n):this.m_u2.SetZero();if(this.m_constant-j-this.m_ratio*n>0){this.m_state=I.e_inactiveLimit;this.m_impulse=0}else this.m_state=I.e_atUpperLimit;if(jF.b2_linearSlop?this.m_u1.Multiply(1/
+l):this.m_u1.SetZero();e>F.b2_linearSlop?this.m_u2.Multiply(1/e):this.m_u2.SetZero();l=this.m_constant-l-this.m_ratio*e;r=y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_pulleyMass*l;l=-m*this.m_u1.x;e=-m*this.m_u1.y;f=-this.m_ratio*m*this.m_u2.x;m=-this.m_ratio*m*this.m_u2.y;d.m_sweep.c.x+=d.m_invMass*l;d.m_sweep.c.y+=d.m_invMass*e;d.m_sweep.a+=d.m_invI*(a*e-c*l);h.m_sweep.c.x+=h.m_invMass*f;h.m_sweep.c.y+=h.m_invMass*m;h.m_sweep.a+=h.m_invI*(g*m-b*f);d.SynchronizeTransform();
+h.SynchronizeTransform()}if(this.m_limitState1==I.e_atUpperLimit){l=d.m_xf.R;a=this.m_localAnchor1.x-d.m_sweep.localCenter.x;c=this.m_localAnchor1.y-d.m_sweep.localCenter.y;e=l.col1.x*a+l.col2.x*c;c=l.col1.y*a+l.col2.y*c;a=e;l=d.m_sweep.c.x+a;e=d.m_sweep.c.y+c;this.m_u1.Set(l-j,e-o);l=this.m_u1.Length();if(l>F.b2_linearSlop){this.m_u1.x*=1/l;this.m_u1.y*=1/l}else this.m_u1.SetZero();l=this.m_maxLength1-l;r=y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_limitMass1*l;
+l=-m*this.m_u1.x;e=-m*this.m_u1.y;d.m_sweep.c.x+=d.m_invMass*l;d.m_sweep.c.y+=d.m_invMass*e;d.m_sweep.a+=d.m_invI*(a*e-c*l);d.SynchronizeTransform()}if(this.m_limitState2==I.e_atUpperLimit){l=h.m_xf.R;g=this.m_localAnchor2.x-h.m_sweep.localCenter.x;b=this.m_localAnchor2.y-h.m_sweep.localCenter.y;e=l.col1.x*g+l.col2.x*b;b=l.col1.y*g+l.col2.y*b;g=e;f=h.m_sweep.c.x+g;m=h.m_sweep.c.y+b;this.m_u2.Set(f-q,m-n);e=this.m_u2.Length();if(e>F.b2_linearSlop){this.m_u2.x*=1/e;this.m_u2.y*=1/e}else this.m_u2.SetZero();
+l=this.m_maxLength2-e;r=y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_limitMass2*l;f=-m*this.m_u2.x;m=-m*this.m_u2.y;h.m_sweep.c.x+=h.m_invMass*f;h.m_sweep.c.y+=h.m_invMass*m;h.m_sweep.a+=h.m_invI*(g*m-b*f);h.SynchronizeTransform()}return r=this.m_upperAngle){if(this.m_limitState!=I.e_atUpperLimit)this.m_impulse.z=0;this.m_limitState=
+I.e_atUpperLimit}else{this.m_limitState=I.e_inactiveLimit;this.m_impulse.z=0}}else this.m_limitState=I.e_inactiveLimit;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_motorImpulse*=d.dtRatio;d=this.m_impulse.x;e=this.m_impulse.y;h.m_linearVelocity.x-=j*d;h.m_linearVelocity.y-=j*e;h.m_angularVelocity-=g*(q*e-n*d+this.m_motorImpulse+this.m_impulse.z);l.m_linearVelocity.x+=o*d;l.m_linearVelocity.y+=o*e;l.m_angularVelocity+=b*(a*e-c*d+this.m_motorImpulse+this.m_impulse.z)}else{this.m_impulse.SetZero();
+this.m_motorImpulse=0}};N.prototype.SolveVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j=0,o=j=0,q=0,n=0,a=0,c=h.m_linearVelocity,g=h.m_angularVelocity,b=l.m_linearVelocity,e=l.m_angularVelocity,f=h.m_invMass,m=l.m_invMass,r=h.m_invI,s=l.m_invI;if(this.m_enableMotor&&this.m_limitState!=I.e_equalLimits){o=this.m_motorMass*-(e-g-this.m_motorSpeed);q=this.m_motorImpulse;n=d.dt*this.m_maxMotorTorque;this.m_motorImpulse=y.Clamp(this.m_motorImpulse+o,-n,n);o=this.m_motorImpulse-q;g-=
+r*o;e+=s*o}if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){d=h.m_xf.R;o=this.m_localAnchor1.x-h.m_sweep.localCenter.x;q=this.m_localAnchor1.y-h.m_sweep.localCenter.y;j=d.col1.x*o+d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=j;d=l.m_xf.R;n=this.m_localAnchor2.x-l.m_sweep.localCenter.x;a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;j=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=j;d=b.x+-e*a-c.x- -g*q;var v=b.y+e*n-c.y-g*o;this.m_mass.Solve33(this.impulse3,-d,-v,-(e-g));if(this.m_limitState==
+I.e_equalLimits)this.m_impulse.Add(this.impulse3);else if(this.m_limitState==I.e_atLowerLimit){j=this.m_impulse.z+this.impulse3.z;if(j<0){this.m_mass.Solve22(this.reduced,-d,-v);this.impulse3.x=this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}else if(this.m_limitState==I.e_atUpperLimit){j=this.m_impulse.z+this.impulse3.z;if(j>0){this.m_mass.Solve22(this.reduced,-d,-v);this.impulse3.x=
+this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}c.x-=f*this.impulse3.x;c.y-=f*this.impulse3.y;g-=r*(o*this.impulse3.y-q*this.impulse3.x+this.impulse3.z);b.x+=m*this.impulse3.x;b.y+=m*this.impulse3.y;e+=s*(n*this.impulse3.y-a*this.impulse3.x+this.impulse3.z)}else{d=h.m_xf.R;o=this.m_localAnchor1.x-h.m_sweep.localCenter.x;q=this.m_localAnchor1.y-h.m_sweep.localCenter.y;j=d.col1.x*o+
+d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=j;d=l.m_xf.R;n=this.m_localAnchor2.x-l.m_sweep.localCenter.x;a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;j=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=j;this.m_mass.Solve22(this.impulse2,-(b.x+-e*a-c.x- -g*q),-(b.y+e*n-c.y-g*o));this.m_impulse.x+=this.impulse2.x;this.m_impulse.y+=this.impulse2.y;c.x-=f*this.impulse2.x;c.y-=f*this.impulse2.y;g-=r*(o*this.impulse2.y-q*this.impulse2.x);b.x+=m*this.impulse2.x;b.y+=m*this.impulse2.y;e+=s*(n*this.impulse2.y-
+a*this.impulse2.x)}h.m_linearVelocity.SetV(c);h.m_angularVelocity=g;l.m_linearVelocity.SetV(b);l.m_angularVelocity=e};N.prototype.SolvePositionConstraints=function(){var d=0,h,l=this.m_bodyA,j=this.m_bodyB,o=0,q=h=0,n=0,a=0;if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){d=j.m_sweep.a-l.m_sweep.a-this.m_referenceAngle;var c=0;if(this.m_limitState==I.e_equalLimits){d=y.Clamp(d-this.m_lowerAngle,-F.b2_maxAngularCorrection,F.b2_maxAngularCorrection);c=-this.m_motorMass*d;o=y.Abs(d)}else if(this.m_limitState==
+I.e_atLowerLimit){d=d-this.m_lowerAngle;o=-d;d=y.Clamp(d+F.b2_angularSlop,-F.b2_maxAngularCorrection,0);c=-this.m_motorMass*d}else if(this.m_limitState==I.e_atUpperLimit){o=d=d-this.m_upperAngle;d=y.Clamp(d-F.b2_angularSlop,0,F.b2_maxAngularCorrection);c=-this.m_motorMass*d}l.m_sweep.a-=l.m_invI*c;j.m_sweep.a+=j.m_invI*c;l.SynchronizeTransform();j.SynchronizeTransform()}h=l.m_xf.R;c=this.m_localAnchor1.x-l.m_sweep.localCenter.x;d=this.m_localAnchor1.y-l.m_sweep.localCenter.y;q=h.col1.x*c+h.col2.x*
+d;d=h.col1.y*c+h.col2.y*d;c=q;h=j.m_xf.R;var g=this.m_localAnchor2.x-j.m_sweep.localCenter.x,b=this.m_localAnchor2.y-j.m_sweep.localCenter.y;q=h.col1.x*g+h.col2.x*b;b=h.col1.y*g+h.col2.y*b;g=q;n=j.m_sweep.c.x+g-l.m_sweep.c.x-c;a=j.m_sweep.c.y+b-l.m_sweep.c.y-d;var e=n*n+a*a;h=Math.sqrt(e);q=l.m_invMass;var f=j.m_invMass,m=l.m_invI,r=j.m_invI,s=10*F.b2_linearSlop;if(e>s*s){e=1/(q+f);n=e*-n;a=e*-a;l.m_sweep.c.x-=0.5*q*n;l.m_sweep.c.y-=0.5*q*a;j.m_sweep.c.x+=0.5*f*n;j.m_sweep.c.y+=0.5*f*a;n=j.m_sweep.c.x+
+g-l.m_sweep.c.x-c;a=j.m_sweep.c.y+b-l.m_sweep.c.y-d}this.K1.col1.x=q+f;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=q+f;this.K2.col1.x=m*d*d;this.K2.col2.x=-m*c*d;this.K2.col1.y=-m*c*d;this.K2.col2.y=m*c*c;this.K3.col1.x=r*b*b;this.K3.col2.x=-r*g*b;this.K3.col1.y=-r*g*b;this.K3.col2.y=r*g*g;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.AddM(this.K3);this.K.Solve(N.tImpulse,-n,-a);n=N.tImpulse.x;a=N.tImpulse.y;l.m_sweep.c.x-=l.m_invMass*n;l.m_sweep.c.y-=l.m_invMass*a;l.m_sweep.a-=l.m_invI*(c*
+a-d*n);j.m_sweep.c.x+=j.m_invMass*n;j.m_sweep.c.y+=j.m_invMass*a;j.m_sweep.a+=j.m_invI*(g*a-b*n);l.SynchronizeTransform();j.SynchronizeTransform();return h<=F.b2_linearSlop&&o<=F.b2_angularSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2RevoluteJoint.tImpulse=new w});Box2D.inherit(S,Box2D.Dynamics.Joints.b2JointDef);S.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;S.b2RevoluteJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=
+new w;this.localAnchorB=new w};S.prototype.b2RevoluteJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_revoluteJoint;this.localAnchorA.Set(0,0);this.localAnchorB.Set(0,0);this.motorSpeed=this.maxMotorTorque=this.upperAngle=this.lowerAngle=this.referenceAngle=0;this.enableMotor=this.enableLimit=false};S.prototype.Initialize=function(d,h,l){this.bodyA=d;this.bodyB=h;this.localAnchorA=this.bodyA.GetLocalPoint(l);this.localAnchorB=this.bodyB.GetLocalPoint(l);this.referenceAngle=this.bodyB.GetAngle()-
+this.bodyA.GetAngle()};Box2D.inherit(aa,Box2D.Dynamics.Joints.b2Joint);aa.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;aa.b2WeldJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchorA=new w;this.m_localAnchorB=new w;this.m_impulse=new A;this.m_mass=new K};aa.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA)};aa.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB)};aa.prototype.GetReactionForce=
+function(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};aa.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;return d*this.m_impulse.z};aa.prototype.b2WeldJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchorA.SetV(d.localAnchorA);this.m_localAnchorB.SetV(d.localAnchorB);this.m_referenceAngle=d.referenceAngle;this.m_impulse.SetZero();this.m_mass=new K};aa.prototype.InitVelocityConstraints=function(d){var h,l=0,j=this.m_bodyA,o=this.m_bodyB;
+h=j.m_xf.R;var q=this.m_localAnchorA.x-j.m_sweep.localCenter.x,n=this.m_localAnchorA.y-j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=this.m_localAnchorB.x-o.m_sweep.localCenter.x,c=this.m_localAnchorB.y-o.m_sweep.localCenter.y;l=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=l;h=j.m_invMass;l=o.m_invMass;var g=j.m_invI,b=o.m_invI;this.m_mass.col1.x=h+l+n*n*g+c*c*b;this.m_mass.col2.x=-n*q*g-c*a*b;this.m_mass.col3.x=-n*g-c*b;this.m_mass.col1.y=this.m_mass.col2.x;
+this.m_mass.col2.y=h+l+q*q*g+a*a*b;this.m_mass.col3.y=q*g+a*b;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=g+b;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_impulse.z*=d.dtRatio;j.m_linearVelocity.x-=h*this.m_impulse.x;j.m_linearVelocity.y-=h*this.m_impulse.y;j.m_angularVelocity-=g*(q*this.m_impulse.y-n*this.m_impulse.x+this.m_impulse.z);o.m_linearVelocity.x+=l*this.m_impulse.x;o.m_linearVelocity.y+=l*this.m_impulse.y;
+o.m_angularVelocity+=b*(a*this.m_impulse.y-c*this.m_impulse.x+this.m_impulse.z)}else this.m_impulse.SetZero()};aa.prototype.SolveVelocityConstraints=function(){var d,h=0,l=this.m_bodyA,j=this.m_bodyB,o=l.m_linearVelocity,q=l.m_angularVelocity,n=j.m_linearVelocity,a=j.m_angularVelocity,c=l.m_invMass,g=j.m_invMass,b=l.m_invI,e=j.m_invI;d=l.m_xf.R;var f=this.m_localAnchorA.x-l.m_sweep.localCenter.x,m=this.m_localAnchorA.y-l.m_sweep.localCenter.y;h=d.col1.x*f+d.col2.x*m;m=d.col1.y*f+d.col2.y*m;f=h;d=
+j.m_xf.R;var r=this.m_localAnchorB.x-j.m_sweep.localCenter.x,s=this.m_localAnchorB.y-j.m_sweep.localCenter.y;h=d.col1.x*r+d.col2.x*s;s=d.col1.y*r+d.col2.y*s;r=h;d=n.x-a*s-o.x+q*m;h=n.y+a*r-o.y-q*f;var v=a-q,t=new A;this.m_mass.Solve33(t,-d,-h,-v);this.m_impulse.Add(t);o.x-=c*t.x;o.y-=c*t.y;q-=b*(f*t.y-m*t.x+t.z);n.x+=g*t.x;n.y+=g*t.y;a+=e*(r*t.y-s*t.x+t.z);l.m_angularVelocity=q;j.m_angularVelocity=a};aa.prototype.SolvePositionConstraints=function(){var d,h=0,l=this.m_bodyA,j=this.m_bodyB;d=l.m_xf.R;
+var o=this.m_localAnchorA.x-l.m_sweep.localCenter.x,q=this.m_localAnchorA.y-l.m_sweep.localCenter.y;h=d.col1.x*o+d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=h;d=j.m_xf.R;var n=this.m_localAnchorB.x-j.m_sweep.localCenter.x,a=this.m_localAnchorB.y-j.m_sweep.localCenter.y;h=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=h;d=l.m_invMass;h=j.m_invMass;var c=l.m_invI,g=j.m_invI,b=j.m_sweep.c.x+n-l.m_sweep.c.x-o,e=j.m_sweep.c.y+a-l.m_sweep.c.y-q,f=j.m_sweep.a-l.m_sweep.a-this.m_referenceAngle,m=10*F.b2_linearSlop,
+r=Math.sqrt(b*b+e*e),s=y.Abs(f);if(r>m){c*=1;g*=1}this.m_mass.col1.x=d+h+q*q*c+a*a*g;this.m_mass.col2.x=-q*o*c-a*n*g;this.m_mass.col3.x=-q*c-a*g;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=d+h+o*o*c+n*n*g;this.m_mass.col3.y=o*c+n*g;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=c+g;m=new A;this.m_mass.Solve33(m,-b,-e,-f);l.m_sweep.c.x-=d*m.x;l.m_sweep.c.y-=d*m.y;l.m_sweep.a-=c*(o*m.y-q*m.x+m.z);j.m_sweep.c.x+=h*m.x;j.m_sweep.c.y+=h*m.y;
+j.m_sweep.a+=g*(n*m.y-a*m.x+m.z);l.SynchronizeTransform();j.SynchronizeTransform();return r<=F.b2_linearSlop&&s<=F.b2_angularSlop};Box2D.inherit(Z,Box2D.Dynamics.Joints.b2JointDef);Z.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;Z.b2WeldJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w};Z.prototype.b2WeldJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_weldJoint;this.referenceAngle=
+0};Z.prototype.Initialize=function(d,h,l){this.bodyA=d;this.bodyB=h;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(l));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(l));this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()}})();
+(function(){var F=Box2D.Dynamics.b2DebugDraw;F.b2DebugDraw=function(){this.m_xformScale=this.m_fillAlpha=this.m_alpha=this.m_lineThickness=this.m_drawScale=1;var G=this;this.m_sprite={graphics:{clear:function(){G.m_ctx.clearRect(0,0,G.m_ctx.canvas.width,G.m_ctx.canvas.height)}}}};F.prototype._color=function(G,K){return"rgba("+((G&16711680)>>16)+","+((G&65280)>>8)+","+(G&255)+","+K+")"};F.prototype.b2DebugDraw=function(){this.m_drawFlags=0};F.prototype.SetFlags=function(G){if(G===undefined)G=0;this.m_drawFlags=
+G};F.prototype.GetFlags=function(){return this.m_drawFlags};F.prototype.AppendFlags=function(G){if(G===undefined)G=0;this.m_drawFlags|=G};F.prototype.ClearFlags=function(G){if(G===undefined)G=0;this.m_drawFlags&=~G};F.prototype.SetSprite=function(G){this.m_ctx=G};F.prototype.GetSprite=function(){return this.m_ctx};F.prototype.SetDrawScale=function(G){if(G===undefined)G=0;this.m_drawScale=G};F.prototype.GetDrawScale=function(){return this.m_drawScale};F.prototype.SetLineThickness=function(G){if(G===
+undefined)G=0;this.m_lineThickness=G;this.m_ctx.strokeWidth=G};F.prototype.GetLineThickness=function(){return this.m_lineThickness};F.prototype.SetAlpha=function(G){if(G===undefined)G=0;this.m_alpha=G};F.prototype.GetAlpha=function(){return this.m_alpha};F.prototype.SetFillAlpha=function(G){if(G===undefined)G=0;this.m_fillAlpha=G};F.prototype.GetFillAlpha=function(){return this.m_fillAlpha};F.prototype.SetXFormScale=function(G){if(G===undefined)G=0;this.m_xformScale=G};F.prototype.GetXFormScale=function(){return this.m_xformScale};
+F.prototype.DrawPolygon=function(G,K,y){if(K){var w=this.m_ctx,A=this.m_drawScale;w.beginPath();w.strokeStyle=this._color(y.color,this.m_alpha);w.moveTo(G[0].x*A,G[0].y*A);for(y=1;y=0 && !this._standing && isStanding)
+ {
+ this._animate('stand');
+ }
+ this._standing = isStanding;
+}
+
+function isStanding() {
+ return this._standing;
+}
+
+function move(direction) {
+ this._moveDirection = direction;
+
+ switch(true) {
+ case direction == this._lookDirection && this.isStanding()
+ this._doll.move(direction, Settings.RUN_SPEED);
+ break;
+
+ case !this.isStanding()
+ this._doll.move(direction, Settings.FLY_SPEED);
+ break;
+
+ default
+ this._doll.move(direction, Settings.WALK_SPEED);
+ break;
+ }
+
+ if (this.isStanding()) {
+ this._animate(this._calculateWalkAnimation());
+ }
+}
+
+function stop() {
+ this._moveDirection = 0;
+ this._doll.stop();
+ if (this._isWalking() || this._standing) {
+ this._animate('stand');
+ }
+}
+
+function jump() {
+ if (this.isStanding())
+ {
+ this._doll.jump();
+ this._animate('jump');
+ this.setStanding(false);
+ }
+}
+
+function jumping() {
+ if (!this.isStanding()) {
+ this._doll.jumping();
+ }
+}
+
+function duck() {
+ if (this._standing && !this._isWalking())
+ {
+ this._animate('duck');
+ }
+}
+
+function standUp() {
+ if (this._standing)
+ {
+ this._animate('standup');
+ }
+}
+
+function _animate(type) {
+ if (type == this._currentAnimationState)
+ {
+ return;
+ }
+
+ this._mc.gotoAndPlay(type);
+
+ this._currentAnimationState = type;
+}
+
+function _calculateWalkAnimation() {
+ if (this._moveDirection == this._lookDirection)
+ {
+ return 'run';
+ }
+ return 'walkback';
+}
+
+function look(x, y) {
+ var degree = Math.atan2(Settings.STAGE_WIDTH / 2 - x, Settings.STAGE_HEIGHT / 2 - 25 - y) / (Math.PI / 180);
+ var lastLookDirection = this._lookDirection;
+
+ if (x < Settings.STAGE_WIDTH / 2) {
+ this._mc.scaleX = -1;
+ this._lookDirection = -1;
+ degree = (-45 + degree / 2);
+ this._mc.head.rotation = degree;
+ } else if (x >= Settings.STAGE_WIDTH / 2) {
+ this._mc.scaleX = 1;
+ this._lookDirection = 1;
+ degree = (45 + -degree / 2) - 90;
+ this._mc.head.rotation = degree;
+ }
+
+ if (this._lookDirection != lastLookDirection && this._isWalking()) {
+ this._animate(this._calculateWalkAnimation());
+ }
+}
+
+function _isWalking() {
+ var states = ['walk', 'walkback', 'run'];
+
+ if (states.indexOf(this._currentAnimationState) >= 0) {
+ return true;
+ }
+ return false;
+}
+
+// called by CollisionDetection
+function onFootSensorDetection(isColliding) {
+ if(isColliding) {
+ if(this._doll.getBody().GetLinearVelocity().y < -Settings.JUMP_SPEED && !this.isStanding()) {
+ return;
+ }
+ this.setStanding(true);
+ } else {
+ // TODO This needs some more thought to it.
+ // maybe take a look at collision groups for collision detection,
+ // to group all tiles together
+
+ //this.setStanding(false);
+ //this._animate('jumploop');
+ }
+}
+
+function update() {
+ this._mc.head.y = this._mc.head_posmask.y;
+
+ if (this._doll.getBody().GetLinearVelocity().x == 0 && this._isWalking()) {
+ this.stop();
+ }
+
+ if (!this._doll.getBody().IsAwake()) {
+ this.setStanding(true);
+ }
+}
diff --git a/lib/Game/Processor.js b/lib/Game/Processor.js
new file mode 100755
index 0000000..1df454c
--- /dev/null
+++ b/lib/Game/Processor.js
@@ -0,0 +1,66 @@
+Game.Processor = function() {
+
+ var self = this;
+ this.count = 0;
+ this._me;
+ this._engine;
+ this._camera;
+ this._repository;
+ this._inputControlUnit;
+ this._keyboardInput;
+}
+
+Game.Processor.prototype.init = function() {
+ this._engine = new Game.Physics.Engine();
+
+ /*
+ this._me = new Player();
+
+ this._camera = Camera.getInstance()
+ this._repository = Repository.getInstance();
+
+ this._engine.setCollisionDetector();
+
+ this._inputControlUnit = InputControlUnit.getInstance();
+ this._keyboardInput = KeyboardInput.getInstance();
+
+ new Level();
+ new Items();
+ */
+ //Out.put("Players spawn after 3 seconds.");
+ //Out.put("Notice, that Player2 seems to be afk xD");
+
+
+
+ window.setInterval(this._update, 1000/60, this);
+ //View.getInstance().getSprite().addEventListener(Event.ENTER_FRAME, this._update)
+}
+
+
+
+Game.Processor.prototype.getMe = function() {
+ return this._me;
+}
+
+Game.Processor.prototype.getEngine = function() {
+ return this._engine;
+}
+
+Game.Processor.prototype._spawnPlayers = function(p1, p2) {
+ p1.spawn(50, 250);
+ this._camera.follow(p1);
+}
+
+
+Game.Processor.prototype._update = function(self) {
+ self.count++;
+
+ self._engine.update();
+ // Order is important
+ /*
+ self._repository.update();
+ self._keyboardInput.update();
+ self._me.update();
+ self._camera.update();
+ */
+}
\ No newline at end of file
diff --git a/lib/Three/Three.min.js b/lib/Three/Three.min.js
new file mode 100755
index 0000000..fa38b9a
--- /dev/null
+++ b/lib/Three/Three.min.js
@@ -0,0 +1,729 @@
+// Three.js - http://github.com/mrdoob/three.js
+'use strict';var THREE=THREE||{REVISION:"49"};self.Int32Array||(self.Int32Array=Array,self.Float32Array=Array);
+(function(){for(var a=0,b=["ms","moz","webkit","o"],c=0;c>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},lerpSelf:function(a,b){this.r=this.r+(a.r-this.r)*b;this.g=this.g+(a.g-this.g)*b;this.b=this.b+(a.b-this.b)*b;return this},getHex:function(){return Math.floor(this.r*255)<<16^Math.floor(this.g*255)<<8^Math.floor(this.b*255)},getContextStyle:function(){return"rgb("+Math.floor(this.r*255)+","+Math.floor(this.g*255)+","+Math.floor(this.b*255)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}};
+THREE.Vector2=function(a,b){this.x=a||0;this.y=b||0};
+THREE.Vector2.prototype={constructor:THREE.Vector2,set:function(a,b){this.x=a;this.y=b;return this},copy:function(a){this.x=a.x;this.y=a.y;return this},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addSelf:function(a){this.x=this.x+a.x;this.y=this.y+a.y;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},subSelf:function(a){this.x=this.x-a.x;this.y=this.y-a.y;return this},multiplyScalar:function(a){this.x=this.x*a;this.y=this.y*a;return this},divideScalar:function(a){if(a){this.x=
+this.x/a;this.y=this.y/a}else this.set(0,0);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,a=this.y-a.y;return b*b+a*a},setLength:function(a){return this.normalize().multiplyScalar(a)},
+lerpSelf:function(a,b){this.x=this.x+(a.x-this.x)*b;this.y=this.y+(a.y-this.y)*b;return this},equals:function(a){return a.x===this.x&&a.y===this.y},isZero:function(){return this.lengthSq()<1.0E-4},clone:function(){return new THREE.Vector2(this.x,this.y)}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
+THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addSelf:function(a){this.x=this.x+a.x;this.y=this.y+a.y;this.z=this.z+a.z;return this},addScalar:function(a){this.x=this.x+a;this.y=this.y+
+a;this.z=this.z+a;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},subSelf:function(a){this.x=this.x-a.x;this.y=this.y-a.y;this.z=this.z-a.z;return this},multiply:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},multiplySelf:function(a){this.x=this.x*a.x;this.y=this.y*a.y;this.z=this.z*a.z;return this},multiplyScalar:function(a){this.x=this.x*a;this.y=this.y*a;this.z=this.z*a;return this},divideSelf:function(a){this.x=this.x/a.x;this.y=
+this.y/a.y;this.z=this.z/a.z;return this},divideScalar:function(a){if(a){this.x=this.x/a;this.y=this.y/a;this.z=this.z/a}else this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},
+setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x=this.x+(a.x-this.x)*b;this.y=this.y+(a.y-this.y)*b;this.z=this.z+(a.z-this.z)*b;return this},cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,
+a).lengthSq()},getPositionFromMatrix:function(a){this.x=a.elements[12];this.y=a.elements[13];this.z=a.elements[14];return this},getRotationFromMatrix:function(a,b){var c=b?b.x:1,d=b?b.y:1,e=b?b.z:1,f=a.elements[0]/c,g=a.elements[4]/d,c=a.elements[1]/c,d=a.elements[5]/d,h=a.elements[9]/e,j=a.elements[10]/e;this.y=Math.asin(a.elements[8]/e);e=Math.cos(this.y);if(Math.abs(e)>1.0E-5){this.x=Math.atan2(-h/e,j/e);this.z=Math.atan2(-g/e,f/e)}else{this.x=0;this.z=Math.atan2(c,d)}return this},getScaleFromMatrix:function(a){var b=
+this.set(a.elements[0],a.elements[1],a.elements[2]).length(),c=this.set(a.elements[4],a.elements[5],a.elements[6]).length(),a=this.set(a.elements[8],a.elements[9],a.elements[10]).length();this.x=b;this.y=c;this.z=a},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return this.lengthSq()<1.0E-4},clone:function(){return new THREE.Vector3(this.x,this.y,this.z)}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=d!==void 0?d:1};
+THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=a.w!==void 0?a.w:1;return this},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x=this.x+a.x;this.y=this.y+a.y;this.z=this.z+a.z;this.w=this.w+a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x=
+this.x-a.x;this.y=this.y-a.y;this.z=this.z-a.z;this.w=this.w-a.w;return this},multiplyScalar:function(a){this.x=this.x*a;this.y=this.y*a;this.z=this.z*a;this.w=this.w*a;return this},divideScalar:function(a){if(a){this.x=this.x/a;this.y=this.y/a;this.z=this.z/a;this.w=this.w/a}else{this.z=this.y=this.x=0;this.w=1}return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
+normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x=this.x+(a.x-this.x)*b;this.y=this.y+(a.y-this.y)*b;this.z=this.z+(a.z-this.z)*b;this.w=this.w+(a.w-this.w)*b;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
+THREE.Frustum.prototype.setFromMatrix=function(a){var b,c=this.planes,d=a.elements,a=d[0];b=d[1];var e=d[2],f=d[3],g=d[4],h=d[5],j=d[6],l=d[7],k=d[8],p=d[9],m=d[10],o=d[11],q=d[12],n=d[13],r=d[14],d=d[15];c[0].set(f-a,l-g,o-k,d-q);c[1].set(f+a,l+g,o+k,d+q);c[2].set(f+b,l+h,o+p,d+n);c[3].set(f-b,l-h,o-p,d-n);c[4].set(f-e,l-j,o-m,d-r);c[5].set(f+e,l+j,o+m,d+r);for(a=0;a<6;a++){b=c[a];b.divideScalar(Math.sqrt(b.x*b.x+b.y*b.y+b.z*b.z))}};
+THREE.Frustum.prototype.contains=function(a){for(var b=this.planes,c=a.matrixWorld,d=c.elements,c=-a.geometry.boundingSphere.radius*c.getMaxScaleOnAxis(),e=0;e<6;e++){a=b[e].x*d[12]+b[e].y*d[13]+b[e].z*d[14]+b[e].w;if(a<=c)return false}return true};THREE.Frustum.__v1=new THREE.Vector3;
+THREE.Ray=function(a,b){function c(a,b,c){q.sub(c,a);u=q.dot(b);t=n.add(a,r.copy(b).multiplyScalar(u));return y=c.distanceTo(t)}function d(a,b,c,d){q.sub(d,b);n.sub(c,b);r.sub(a,b);s=q.dot(q);w=q.dot(n);H=q.dot(r);E=n.dot(n);z=n.dot(r);v=1/(s*E-w*w);A=(E*H-w*z)*v;J=(s*z-w*H)*v;return A>=0&&J>=0&&A+J<1}this.origin=a||new THREE.Vector3;this.direction=b||new THREE.Vector3;var e=1.0E-4;this.setPrecision=function(a){e=a};var f=new THREE.Vector3,g=new THREE.Vector3,h=new THREE.Vector3,j=new THREE.Vector3,
+l=new THREE.Vector3,k=new THREE.Vector3,p=new THREE.Vector3,m=new THREE.Vector3,o=new THREE.Vector3;this.intersectObject=function(a){var b,n=[];if(a instanceof THREE.Particle){var q=c(this.origin,this.direction,a.matrixWorld.getPosition());if(q>a.scale.x)return[];b={distance:q,point:a.position,face:null,object:a};n.push(b)}else if(a instanceof THREE.Mesh){var q=c(this.origin,this.direction,a.matrixWorld.getPosition()),r=THREE.Frustum.__v1.set(a.matrixWorld.getColumnX().length(),a.matrixWorld.getColumnY().length(),
+a.matrixWorld.getColumnZ().length());if(q>a.geometry.boundingSphere.radius*Math.max(r.x,Math.max(r.y,r.z)))return n;var s,i,t=a.geometry,u=t.vertices,C;a.matrixRotationWorld.extractRotation(a.matrixWorld);q=0;for(r=t.faces.length;q0:s<0))){o.add(l,k.multiplyScalar(i));if(b instanceof THREE.Face3){f=C.multiplyVector3(f.copy(u[b.a]));g=C.multiplyVector3(g.copy(u[b.b]));h=C.multiplyVector3(h.copy(u[b.c]));if(d(o,f,g,h)){b={distance:l.distanceTo(o),point:o.clone(),face:b,object:a};n.push(b)}}else if(b instanceof THREE.Face4){f=C.multiplyVector3(f.copy(u[b.a]));g=C.multiplyVector3(g.copy(u[b.b]));h=C.multiplyVector3(h.copy(u[b.c]));j=C.multiplyVector3(j.copy(u[b.d]));if(d(o,f,g,j)||d(o,g,h,j)){b={distance:l.distanceTo(o),point:o.clone(),
+face:b,object:a};n.push(b)}}}}}}return n};this.intersectObjects=function(a){for(var b=[],c=0,d=a.length;cf?d:f;e=e>g?
+e:g}a()};this.add3Points=function(f,g,k,p,m,o){if(h){h=false;b=fk?f>m?f:m:k>m?k:m;e=g>p?g>o?g:o:p>o?p:o}else{b=fk?f>m?f>d?f:d:m>d?m:d:k>m?k>d?k:d:m>d?m:d;e=g>p?g>o?g>e?g:e:o>e?o:e:p>o?p>e?p:e:o>e?o:e}a()};this.addRectangle=function(f){if(h){h=false;b=f.getLeft();c=f.getTop();d=f.getRight();e=f.getBottom()}else{b=bf.getRight()?d:f.getRight();e=e>f.getBottom()?e:f.getBottom()}a()};this.inflate=function(f){b=b-f;c=c-f;d=d+f;e=e+f;a()};this.minSelf=function(f){b=b>f.getLeft()?b:f.getLeft();c=c>f.getTop()?c:f.getTop();d=da.getRight()||ea.getBottom()?false:true};this.empty=function(){h=true;e=d=c=b=0;a()};this.isEmpty=function(){return h}};
+THREE.Math={clamp:function(a,b,c){return ac?c:a},clampBottom:function(a,b){return a0?1:0}};THREE.Matrix3=function(){this.elements=new Float32Array(9)};
+THREE.Matrix3.prototype={constructor:THREE.Matrix3,getInverse:function(a){var b=a.elements,a=b[10]*b[5]-b[6]*b[9],c=-b[10]*b[1]+b[2]*b[9],d=b[6]*b[1]-b[2]*b[5],e=-b[10]*b[4]+b[6]*b[8],f=b[10]*b[0]-b[2]*b[8],g=-b[6]*b[0]+b[2]*b[4],h=b[9]*b[4]-b[5]*b[8],j=-b[9]*b[0]+b[1]*b[8],l=b[5]*b[0]-b[1]*b[4],b=b[0]*a+b[1]*e+b[2]*h;b===0&&console.warn("Matrix3.getInverse(): determinant == 0");var b=1/b,k=this.elements;k[0]=b*a;k[1]=b*c;k[2]=b*d;k[3]=b*e;k[4]=b*f;k[5]=b*g;k[6]=b*h;k[7]=b*j;k[8]=b*l;return this},
+transpose:function(){var a,b=this.elements;a=b[1];b[1]=b[3];b[3]=a;a=b[2];b[2]=b[6];b[6]=a;a=b[5];b[5]=b[7];b[7]=a;return this},transposeIntoArray:function(a){var b=this.m;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this}};THREE.Matrix4=function(a,b,c,d,e,f,g,h,j,l,k,p,m,o,q,n){this.elements=new Float32Array(16);this.set(a!==void 0?a:1,b||0,c||0,d||0,e||0,f!==void 0?f:1,g||0,h||0,j||0,l||0,k!==void 0?k:1,p||0,m||0,o||0,q||0,n!==void 0?n:1)};
+THREE.Matrix4.prototype={constructor:THREE.Matrix4,set:function(a,b,c,d,e,f,g,h,j,l,k,p,m,o,q,n){var r=this.elements;r[0]=a;r[4]=b;r[8]=c;r[12]=d;r[1]=e;r[5]=f;r[9]=g;r[13]=h;r[2]=j;r[6]=l;r[10]=k;r[14]=p;r[3]=m;r[7]=o;r[11]=q;r[15]=n;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},copy:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15]);return this},lookAt:function(a,b,c){var d=this.elements,
+e=THREE.Matrix4.__v1,f=THREE.Matrix4.__v2,g=THREE.Matrix4.__v3;g.sub(a,b).normalize();if(g.length()===0)g.z=1;e.cross(c,g).normalize();if(e.length()===0){g.x=g.x+1.0E-4;e.cross(c,g).normalize()}f.cross(g,e);d[0]=e.x;d[4]=f.x;d[8]=g.x;d[1]=e.y;d[5]=f.y;d[9]=g.y;d[2]=e.z;d[6]=f.z;d[10]=g.z;return this},multiply:function(a,b){var c=a.elements,d=b.elements,e=this.elements,f=c[0],g=c[4],h=c[8],j=c[12],l=c[1],k=c[5],p=c[9],m=c[13],o=c[2],q=c[6],n=c[10],r=c[14],u=c[3],t=c[7],y=c[11],c=c[15],s=d[0],w=d[4],
+H=d[8],E=d[12],z=d[1],v=d[5],A=d[9],J=d[13],K=d[2],R=d[6],P=d[10],D=d[14],M=d[3],G=d[7],i=d[11],d=d[15];e[0]=f*s+g*z+h*K+j*M;e[4]=f*w+g*v+h*R+j*G;e[8]=f*H+g*A+h*P+j*i;e[12]=f*E+g*J+h*D+j*d;e[1]=l*s+k*z+p*K+m*M;e[5]=l*w+k*v+p*R+m*G;e[9]=l*H+k*A+p*P+m*i;e[13]=l*E+k*J+p*D+m*d;e[2]=o*s+q*z+n*K+r*M;e[6]=o*w+q*v+n*R+r*G;e[10]=o*H+q*A+n*P+r*i;e[14]=o*E+q*J+n*D+r*d;e[3]=u*s+t*z+y*K+c*M;e[7]=u*w+t*v+y*R+c*G;e[11]=u*H+t*A+y*P+c*i;e[15]=u*E+t*J+y*D+c*d;return this},multiplySelf:function(a){return this.multiply(this,
+a)},multiplyToArray:function(a,b,c){var d=this.elements;this.multiply(a,b);c[0]=d[0];c[1]=d[1];c[2]=d[2];c[3]=d[3];c[4]=d[4];c[5]=d[5];c[6]=d[6];c[7]=d[7];c[8]=d[8];c[9]=d[9];c[10]=d[10];c[11]=d[11];c[12]=d[12];c[13]=d[13];c[14]=d[14];c[15]=d[15];return this},multiplyScalar:function(a){var b=this.elements;b[0]=b[0]*a;b[4]=b[4]*a;b[8]=b[8]*a;b[12]=b[12]*a;b[1]=b[1]*a;b[5]=b[5]*a;b[9]=b[9]*a;b[13]=b[13]*a;b[2]=b[2]*a;b[6]=b[6]*a;b[10]=b[10]*a;b[14]=b[14]*a;b[3]=b[3]*a;b[7]=b[7]*a;b[11]=b[11]*a;b[15]=
+b[15]*a;return this},multiplyVector3:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=1/(b[3]*c+b[7]*d+b[11]*e+b[15]);a.x=(b[0]*c+b[4]*d+b[8]*e+b[12])*f;a.y=(b[1]*c+b[5]*d+b[9]*e+b[13])*f;a.z=(b[2]*c+b[6]*d+b[10]*e+b[14])*f;return a},multiplyVector4:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w;a.x=b[0]*c+b[4]*d+b[8]*e+b[12]*f;a.y=b[1]*c+b[5]*d+b[9]*e+b[13]*f;a.z=b[2]*c+b[6]*d+b[10]*e+b[14]*f;a.w=b[3]*c+b[7]*d+b[11]*e+b[15]*f;return a},rotateAxis:function(a){var b=this.elements,c=a.x,
+d=a.y,e=a.z;a.x=c*b[0]+d*b[4]+e*b[8];a.y=c*b[1]+d*b[5]+e*b[9];a.z=c*b[2]+d*b[6]+e*b[10];a.normalize();return a},crossVector:function(a){var b=this.elements,c=new THREE.Vector4;c.x=b[0]*a.x+b[4]*a.y+b[8]*a.z+b[12]*a.w;c.y=b[1]*a.x+b[5]*a.y+b[9]*a.z+b[13]*a.w;c.z=b[2]*a.x+b[6]*a.y+b[10]*a.z+b[14]*a.w;c.w=a.w?b[3]*a.x+b[7]*a.y+b[11]*a.z+b[15]*a.w:1;return c},determinant:function(){var a=this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],j=a[13],l=a[2],k=a[6],p=a[10],m=a[14],o=a[3],q=a[7],
+n=a[11],a=a[15];return e*h*k*o-d*j*k*o-e*g*p*o+c*j*p*o+d*g*m*o-c*h*m*o-e*h*l*q+d*j*l*q+e*f*p*q-b*j*p*q-d*f*m*q+b*h*m*q+e*g*l*n-c*j*l*n-e*f*k*n+b*j*k*n+c*f*m*n-b*g*m*n-d*g*l*a+c*h*l*a+d*f*k*a-b*h*k*a-c*f*p*a+b*g*p*a},transpose:function(){var a=this.elements,b;b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=a[11];a[11]=a[14];a[14]=b;return this},flattenToArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[1];a[2]=b[2];
+a[3]=b[3];a[4]=b[4];a[5]=b[5];a[6]=b[6];a[7]=b[7];a[8]=b[8];a[9]=b[9];a[10]=b[10];a[11]=b[11];a[12]=b[12];a[13]=b[13];a[14]=b[14];a[15]=b[15];return a},flattenToArrayOffset:function(a,b){var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+14]=c[14];a[b+15]=c[15];return a},getPosition:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[12],a[13],
+a[14])},setPosition:function(a){var b=this.elements;b[12]=a.x;b[13]=a.y;b[14]=a.z;return this},getColumnX:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[0],a[1],a[2])},getColumnY:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[4],a[5],a[6])},getColumnZ:function(){var a=this.elements;return THREE.Matrix4.__v1.set(a[8],a[9],a[10])},getInverse:function(a){var b=this.elements,c=a.elements,d=c[0],e=c[4],f=c[8],g=c[12],h=c[1],j=c[5],l=c[9],k=c[13],p=c[2],m=c[6],o=c[10],q=
+c[14],n=c[3],r=c[7],u=c[11],c=c[15];b[0]=l*q*r-k*o*r+k*m*u-j*q*u-l*m*c+j*o*c;b[4]=g*o*r-f*q*r-g*m*u+e*q*u+f*m*c-e*o*c;b[8]=f*k*r-g*l*r+g*j*u-e*k*u-f*j*c+e*l*c;b[12]=g*l*m-f*k*m-g*j*o+e*k*o+f*j*q-e*l*q;b[1]=k*o*n-l*q*n-k*p*u+h*q*u+l*p*c-h*o*c;b[5]=f*q*n-g*o*n+g*p*u-d*q*u-f*p*c+d*o*c;b[9]=g*l*n-f*k*n-g*h*u+d*k*u+f*h*c-d*l*c;b[13]=f*k*p-g*l*p+g*h*o-d*k*o-f*h*q+d*l*q;b[2]=j*q*n-k*m*n+k*p*r-h*q*r-j*p*c+h*m*c;b[6]=g*m*n-e*q*n-g*p*r+d*q*r+e*p*c-d*m*c;b[10]=e*k*n-g*j*n+g*h*r-d*k*r-e*h*c+d*j*c;b[14]=g*j*p-
+e*k*p-g*h*m+d*k*m+e*h*q-d*j*q;b[3]=l*m*n-j*o*n-l*p*r+h*o*r+j*p*u-h*m*u;b[7]=e*o*n-f*m*n+f*p*r-d*o*r-e*p*u+d*m*u;b[11]=f*j*n-e*l*n-f*h*r+d*l*r+e*h*u-d*j*u;b[15]=e*l*p-f*j*p+f*h*m-d*l*m-e*h*o+d*j*o;this.multiplyScalar(1/a.determinant());return this},setRotationFromEuler:function(a,b){var c=this.elements,d=a.x,e=a.y,f=a.z,g=Math.cos(d),d=Math.sin(d),h=Math.cos(e),e=Math.sin(e),j=Math.cos(f),f=Math.sin(f);switch(b){case "YXZ":var l=h*j,k=h*f,p=e*j,m=e*f;c[0]=l+m*d;c[4]=p*d-k;c[8]=g*e;c[1]=g*f;c[5]=g*
+j;c[9]=-d;c[2]=k*d-p;c[6]=m+l*d;c[10]=g*h;break;case "ZXY":l=h*j;k=h*f;p=e*j;m=e*f;c[0]=l-m*d;c[4]=-g*f;c[8]=p+k*d;c[1]=k+p*d;c[5]=g*j;c[9]=m-l*d;c[2]=-g*e;c[6]=d;c[10]=g*h;break;case "ZYX":l=g*j;k=g*f;p=d*j;m=d*f;c[0]=h*j;c[4]=p*e-k;c[8]=l*e+m;c[1]=h*f;c[5]=m*e+l;c[9]=k*e-p;c[2]=-e;c[6]=d*h;c[10]=g*h;break;case "YZX":l=g*h;k=g*e;p=d*h;m=d*e;c[0]=h*j;c[4]=m-l*f;c[8]=p*f+k;c[1]=f;c[5]=g*j;c[9]=-d*j;c[2]=-e*j;c[6]=k*f+p;c[10]=l-m*f;break;case "XZY":l=g*h;k=g*e;p=d*h;m=d*e;c[0]=h*j;c[4]=-f;c[8]=e*j;
+c[1]=l*f+m;c[5]=g*j;c[9]=k*f-p;c[2]=p*f-k;c[6]=d*j;c[10]=m*f+l;break;default:l=g*j;k=g*f;p=d*j;m=d*f;c[0]=h*j;c[4]=-h*f;c[8]=e;c[1]=k+p*e;c[5]=l-m*e;c[9]=-d*h;c[2]=m-l*e;c[6]=p+k*e;c[10]=g*h}return this},setRotationFromQuaternion:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w,g=c+c,h=d+d,j=e+e,a=c*g,l=c*h,c=c*j,k=d*h,d=d*j,e=e*j,g=f*g,h=f*h,f=f*j;b[0]=1-(k+e);b[4]=l-f;b[8]=c+h;b[1]=l+f;b[5]=1-(a+e);b[9]=d-g;b[2]=c-h;b[6]=d+g;b[10]=1-(a+k);return this},compose:function(a,b,c){var d=this.elements,
+e=THREE.Matrix4.__m1,f=THREE.Matrix4.__m2;e.identity();e.setRotationFromQuaternion(b);f.makeScale(c.x,c.y,c.z);this.multiply(e,f);d[12]=a.x;d[13]=a.y;d[14]=a.z;return this},decompose:function(a,b,c){var d=this.elements,e=THREE.Matrix4.__v1,f=THREE.Matrix4.__v2,g=THREE.Matrix4.__v3;e.set(d[0],d[1],d[2]);f.set(d[4],d[5],d[6]);g.set(d[8],d[9],d[10]);a=a instanceof THREE.Vector3?a:new THREE.Vector3;b=b instanceof THREE.Quaternion?b:new THREE.Quaternion;c=c instanceof THREE.Vector3?c:new THREE.Vector3;
+c.x=e.length();c.y=f.length();c.z=g.length();a.x=d[12];a.y=d[13];a.z=d[14];d=THREE.Matrix4.__m1;d.copy(this);d.elements[0]=d.elements[0]/c.x;d.elements[1]=d.elements[1]/c.x;d.elements[2]=d.elements[2]/c.x;d.elements[4]=d.elements[4]/c.y;d.elements[5]=d.elements[5]/c.y;d.elements[6]=d.elements[6]/c.y;d.elements[8]=d.elements[8]/c.z;d.elements[9]=d.elements[9]/c.z;d.elements[10]=d.elements[10]/c.z;b.setFromRotationMatrix(d);return[a,b,c]},extractPosition:function(a){var b=this.elements,a=a.elements;
+b[12]=a[12];b[13]=a[13];b[14]=a[14];return this},extractRotation:function(a){var b=this.elements,a=a.elements,c=THREE.Matrix4.__v1,d=1/c.set(a[0],a[1],a[2]).length(),e=1/c.set(a[4],a[5],a[6]).length(),c=1/c.set(a[8],a[9],a[10]).length();b[0]=a[0]*d;b[1]=a[1]*d;b[2]=a[2]*d;b[4]=a[4]*e;b[5]=a[5]*e;b[6]=a[6]*e;b[8]=a[8]*c;b[9]=a[9]*c;b[10]=a[10]*c;return this},translate:function(a){var b=this.elements,c=a.x,d=a.y,a=a.z;b[12]=b[0]*c+b[4]*d+b[8]*a+b[12];b[13]=b[1]*c+b[5]*d+b[9]*a+b[13];b[14]=b[2]*c+b[6]*
+d+b[10]*a+b[14];b[15]=b[3]*c+b[7]*d+b[11]*a+b[15];return this},rotateX:function(a){var b=this.elements,c=b[4],d=b[5],e=b[6],f=b[7],g=b[8],h=b[9],j=b[10],l=b[11],k=Math.cos(a),a=Math.sin(a);b[4]=k*c+a*g;b[5]=k*d+a*h;b[6]=k*e+a*j;b[7]=k*f+a*l;b[8]=k*g-a*c;b[9]=k*h-a*d;b[10]=k*j-a*e;b[11]=k*l-a*f;return this},rotateY:function(a){var b=this.elements,c=b[0],d=b[1],e=b[2],f=b[3],g=b[8],h=b[9],j=b[10],l=b[11],k=Math.cos(a),a=Math.sin(a);b[0]=k*c-a*g;b[1]=k*d-a*h;b[2]=k*e-a*j;b[3]=k*f-a*l;b[8]=k*g+a*c;b[9]=
+k*h+a*d;b[10]=k*j+a*e;b[11]=k*l+a*f;return this},rotateZ:function(a){var b=this.elements,c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],j=b[6],l=b[7],k=Math.cos(a),a=Math.sin(a);b[0]=k*c+a*g;b[1]=k*d+a*h;b[2]=k*e+a*j;b[3]=k*f+a*l;b[4]=k*g-a*c;b[5]=k*h-a*d;b[6]=k*j-a*e;b[7]=k*l-a*f;return this},rotateByAxis:function(a,b){var c=this.elements;if(a.x===1&&a.y===0&&a.z===0)return this.rotateX(b);if(a.x===0&&a.y===1&&a.z===0)return this.rotateY(b);if(a.x===0&&a.y===0&&a.z===1)return this.rotateZ(b);var d=a.x,
+e=a.y,f=a.z,g=Math.sqrt(d*d+e*e+f*f),d=d/g,e=e/g,f=f/g,g=d*d,h=e*e,j=f*f,l=Math.cos(b),k=Math.sin(b),p=1-l,m=d*e*p,o=d*f*p,p=e*f*p,d=d*k,q=e*k,k=f*k,f=g+(1-g)*l,g=m+k,e=o-q,m=m-k,h=h+(1-h)*l,k=p+d,o=o+q,p=p-d,j=j+(1-j)*l,l=c[0],d=c[1],q=c[2],n=c[3],r=c[4],u=c[5],t=c[6],y=c[7],s=c[8],w=c[9],H=c[10],E=c[11];c[0]=f*l+g*r+e*s;c[1]=f*d+g*u+e*w;c[2]=f*q+g*t+e*H;c[3]=f*n+g*y+e*E;c[4]=m*l+h*r+k*s;c[5]=m*d+h*u+k*w;c[6]=m*q+h*t+k*H;c[7]=m*n+h*y+k*E;c[8]=o*l+p*r+j*s;c[9]=o*d+p*u+j*w;c[10]=o*q+p*t+j*H;c[11]=
+o*n+p*y+j*E;return this},scale:function(a){var b=this.elements,c=a.x,d=a.y,a=a.z;b[0]=b[0]*c;b[4]=b[4]*d;b[8]=b[8]*a;b[1]=b[1]*c;b[5]=b[5]*d;b[9]=b[9]*a;b[2]=b[2]*c;b[6]=b[6]*d;b[10]=b[10]*a;b[3]=b[3]*c;b[7]=b[7]*d;b[11]=b[11]*a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],Math.max(a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10])))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},
+makeRotationX:function(a){var b=Math.cos(a),a=Math.sin(a);this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=Math.cos(a),a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a),a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=1-c,f=a.x,g=a.y,h=a.z,j=e*f,l=e*g;this.set(j*f+c,j*g-d*h,j*h+d*g,0,j*g+d*h,l*g+c,l*h-d*f,0,j*h-
+d*g,l*h+d*f,e*h*h+c,0,0,0,0,1);return this},makeScale:function(a,b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},makeFrustum:function(a,b,c,d,e,f){var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(d-c);g[9]=(d+c)/(d-c);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makePerspective:function(a,b,c,d){var a=c*Math.tan(a*Math.PI/360),e=-a;return this.makeFrustum(e*b,a*b,e,a,c,d)},makeOrthographic:function(a,
+b,c,d,e,f){var g=this.elements,h=b-a,j=c-d,l=f-e;g[0]=2/h;g[4]=0;g[8]=0;g[12]=-((b+a)/h);g[1]=0;g[5]=2/j;g[9]=0;g[13]=-((c+d)/j);g[2]=0;g[6]=0;g[10]=-2/l;g[14]=-((f+e)/l);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},clone:function(){var a=this.elements;return new THREE.Matrix4(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15])}};THREE.Matrix4.__v1=new THREE.Vector3;THREE.Matrix4.__v2=new THREE.Vector3;THREE.Matrix4.__v3=new THREE.Vector3;THREE.Matrix4.__m1=new THREE.Matrix4;
+THREE.Matrix4.__m2=new THREE.Matrix4;
+THREE.Object3D=function(){this.id=THREE.Object3DCount++;this.name="";this.parent=void 0;this.children=[];this.up=new THREE.Vector3(0,1,0);this.position=new THREE.Vector3;this.rotation=new THREE.Vector3;this.eulerOrder="XYZ";this.scale=new THREE.Vector3(1,1,1);this.flipSided=this.doubleSided=false;this.renderDepth=null;this.rotationAutoUpdate=true;this.matrix=new THREE.Matrix4;this.matrixWorld=new THREE.Matrix4;this.matrixRotationWorld=new THREE.Matrix4;this.matrixWorldNeedsUpdate=this.matrixAutoUpdate=
+true;this.quaternion=new THREE.Quaternion;this.useQuaternion=false;this.boundRadius=0;this.boundRadiusScale=1;this.visible=true;this.receiveShadow=this.castShadow=false;this.frustumCulled=true;this._vector=new THREE.Vector3};
+THREE.Object3D.prototype={constructor:THREE.Object3D,applyMatrix:function(a){this.matrix.multiply(a,this.matrix);this.scale.getScaleFromMatrix(this.matrix);this.rotation.getRotationFromMatrix(this.matrix,this.scale);this.position.getPositionFromMatrix(this.matrix)},translate:function(a,b){this.matrix.rotateAxis(b);this.position.addSelf(b.multiplyScalar(a))},translateX:function(a){this.translate(a,this._vector.set(1,0,0))},translateY:function(a){this.translate(a,this._vector.set(0,1,0))},translateZ:function(a){this.translate(a,
+this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.getRotationFromMatrix(this.matrix)},add:function(a){if(a===this)console.warn("THREE.Object3D.add: An object can't be added as a child of itself.");else if(a instanceof THREE.Object3D){a.parent!==void 0&&a.parent.remove(a);a.parent=this;this.children.push(a);for(var b=this;b.parent!==void 0;)b=b.parent;b!==void 0&&b instanceof THREE.Scene&&b.__addObject(a)}},remove:function(a){var b=
+this.children.indexOf(a);if(b!==-1){a.parent=void 0;this.children.splice(b,1);for(b=this;b.parent!==void 0;)b=b.parent;b!==void 0&&b instanceof THREE.Scene&&b.__removeObject(a)}},getChildByName:function(a,b){var c,d,e;c=0;for(d=this.children.length;c=0&&f>=0&&g>=0&&h>=0)return true;if(e<0&&f<0||g<0&&h<0)return false;e<0?c=Math.max(c,e/(e-f)):f<0&&(d=Math.min(d,e/(e-f)));g<0?c=Math.max(c,g/(g-h)):h<0&&(d=Math.min(d,g/(g-h)));if(dg&&h.positionScreen.z0)){ea=l[j-2];J.copy(F.positionScreen);K.copy(ea.positionScreen);if(d(J,K)){J.multiplyScalar(1/J.w);K.multiplyScalar(1/K.w);$=u[r]=u[r]||new THREE.RenderableLine;r++;n=$;n.v1.positionScreen.copy(J);
+n.v2.positionScreen.copy(K);n.z=Math.max(J.z,K.z);n.material=O.material;w.elements.push(n)}}}}}a=0;for(H=w.sprites.length;a0&&E.z<1){g=s[y]=s[y]||new THREE.RenderableParticle;y++;t=g;t.x=E.x/E.w;t.y=E.y/E.w;t.z=E.z;t.rotation=O.rotation.z;t.scale.x=O.scale.x*Math.abs(t.x-(E.x+e.projectionMatrix.elements[0])/(E.w+e.projectionMatrix.elements[12]));
+t.scale.y=O.scale.y*Math.abs(t.y-(E.y+e.projectionMatrix.elements[5])/(E.w+e.projectionMatrix.elements[13]));t.material=O.material;w.elements.push(t)}}}f&&w.elements.sort(c);return w}};THREE.Quaternion=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=d!==void 0?d:1};
+THREE.Quaternion.prototype={constructor:THREE.Quaternion,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=a.w;return this},setFromEuler:function(a){var b=Math.PI/360,c=a.x*b,d=a.y*b,e=a.z*b,a=Math.cos(d),d=Math.sin(d),b=Math.cos(-e),e=Math.sin(-e),f=Math.cos(c),c=Math.sin(c),g=a*b,h=d*e;this.w=g*f-h*c;this.x=g*c+h*f;this.y=d*b*f+a*e*c;this.z=a*e*f-d*b*c;return this},setFromAxisAngle:function(a,b){var c=b/2,d=Math.sin(c);
+this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(c);return this},setFromRotationMatrix:function(a){var b=Math.pow(a.determinant(),1/3);this.w=Math.sqrt(Math.max(0,b+a.elements[0]+a.elements[5]+a.elements[10]))/2;this.x=Math.sqrt(Math.max(0,b+a.elements[0]-a.elements[5]-a.elements[10]))/2;this.y=Math.sqrt(Math.max(0,b-a.elements[0]+a.elements[5]-a.elements[10]))/2;this.z=Math.sqrt(Math.max(0,b-a.elements[0]-a.elements[5]+a.elements[10]))/2;this.x=a.elements[6]-a.elements[9]<0?-Math.abs(this.x):
+Math.abs(this.x);this.y=a.elements[8]-a.elements[2]<0?-Math.abs(this.y):Math.abs(this.y);this.z=a.elements[1]-a.elements[4]<0?-Math.abs(this.z):Math.abs(this.z);this.normalize();return this},calculateW:function(){this.w=-Math.sqrt(Math.abs(1-this.x*this.x-this.y*this.y-this.z*this.z));return this},inverse:function(){this.x=this.x*-1;this.y=this.y*-1;this.z=this.z*-1;return this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},normalize:function(){var a=
+Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);if(a===0)this.w=this.z=this.y=this.x=0;else{a=1/a;this.x=this.x*a;this.y=this.y*a;this.z=this.z*a;this.w=this.w*a}return this},multiply:function(a,b){this.x=a.x*b.w+a.y*b.z-a.z*b.y+a.w*b.x;this.y=-a.x*b.z+a.y*b.w+a.z*b.x+a.w*b.y;this.z=a.x*b.y-a.y*b.x+a.z*b.w+a.w*b.z;this.w=-a.x*b.x-a.y*b.y-a.z*b.z+a.w*b.w;return this},multiplySelf:function(a){var b=this.x,c=this.y,d=this.z,e=this.w,f=a.x,g=a.y,h=a.z,a=a.w;this.x=b*a+e*f+c*h-d*g;this.y=
+c*a+e*g+d*f-b*h;this.z=d*a+e*h+b*g-c*f;this.w=e*a-b*f-c*g-d*h;return this},multiplyVector3:function(a,b){b||(b=a);var c=a.x,d=a.y,e=a.z,f=this.x,g=this.y,h=this.z,j=this.w,l=j*c+g*e-h*d,k=j*d+h*c-f*e,p=j*e+f*d-g*c,c=-f*c-g*d-h*e;b.x=l*j+c*-f+k*-h-p*-g;b.y=k*j+c*-g+p*-f-l*-h;b.z=p*j+c*-h+l*-g-k*-f;return b},clone:function(){return new THREE.Quaternion(this.x,this.y,this.z,this.w)}};
+THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;if(e<0){c.w=-b.w;c.x=-b.x;c.y=-b.y;c.z=-b.z;e=-e}else c.copy(b);if(Math.abs(e)>=1){c.w=a.w;c.x=a.x;c.y=a.y;c.z=a.z;return c}var f=Math.acos(e),e=Math.sqrt(1-e*e);if(Math.abs(e)<0.001){c.w=0.5*(a.w+b.w);c.x=0.5*(a.x+b.x);c.y=0.5*(a.y+b.y);c.z=0.5*(a.z+b.z);return c}b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(){console.warn("THREE.Vertex has been DEPRECATED. Use THREE.Vector3 instead.")};
+THREE.Face3=function(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=e instanceof THREE.Color?e:new THREE.Color;this.vertexColors=e instanceof Array?e:[];this.vertexTangents=[];this.materialIndex=f;this.centroid=new THREE.Vector3};
+THREE.Face3.prototype={constructor:THREE.Face3,clone:function(){var a=new THREE.Face3(this.a,this.b,this.c);a.normal.copy(this.normal);a.color.copy(this.color);a.centroid.copy(this.centroid);a.materialIndex=this.materialIndex;var b,c;b=0;for(c=this.vertexNormals.length;b0){var a;a=this.vertices[0];this.boundingBox.min.copy(a);this.boundingBox.max.copy(a);for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;dc.x)c.x=
+a.x;if(a.yc.y)c.y=a.y;if(a.zc.z)c.z=a.z}}else{this.boundingBox.min.set(0,0,0);this.boundingBox.max.set(0,0,0)}},computeBoundingSphere:function(){if(!this.boundingSphere)this.boundingSphere={radius:0};for(var a,b=0,c=0,d=this.vertices.length;cb&&(b=a)}this.boundingSphere.radius=b},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),f,g,h;f=0;for(g=this.vertices.length;f0;a--)if(d.indexOf(e["abcd"[a]])!=a){d.splice(a,1);this.faces[f]=new THREE.Face3(d[0],d[1],d[2]);e=0;for(d=this.faceVertexUvs.length;ethis.points.length-2?this.points.length-1:f+1;c[3]=f>this.points.length-3?this.points.length-1:
+f+2;l=this.points[c[0]];k=this.points[c[1]];p=this.points[c[2]];m=this.points[c[3]];h=g*g;j=g*h;d.x=b(l.x,k.x,p.x,m.x,g,h,j);d.y=b(l.y,k.y,p.y,m.y,g,h,j);d.z=b(l.z,k.z,p.z,m.z,g,h,j);return d};this.getControlPointsArray=function(){var a,b,c=this.points.length,d=[];for(a=0;a1&&(K=new THREE.MeshFaceMaterial);
+a=new THREE.Mesh(J,K);a.name=m;if(t){a.matrixAutoUpdate=false;a.matrix.set(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8],t[9],t[10],t[11],t[12],t[13],t[14],t[15])}else{a.position.set(w[0],w[1],w[2]);if(E){a.quaternion.set(E[0],E[1],E[2],E[3]);a.useQuaternion=true}else a.rotation.set(H[0],H[1],H[2]);a.scale.set(z[0],z[1],z[2])}a.visible=u.visible;a.doubleSided=u.doubleSided;a.castShadow=u.castShadow;a.receiveShadow=u.receiveShadow;C.scene.add(a);C.objects[m]=a}}else{w=u.position;H=u.rotation;E=u.quaternion;
+z=u.scale;E=0;a=new THREE.Object3D;a.name=m;a.position.set(w[0],w[1],w[2]);if(E){a.quaternion.set(E[0],E[1],E[2],E[3]);a.useQuaternion=true}else a.rotation.set(H[0],H[1],H[2]);a.scale.set(z[0],z[1],z[2]);a.visible=u.visible!==void 0?u.visible:false;C.scene.add(a);C.objects[m]=a;C.empties[m]=a}}}function f(a){return function(b){C.geometries[a]=b;e();G=G-1;j.onLoadComplete();h()}}function g(a){return function(b){C.geometries[a]=b}}function h(){j.callbackProgress({totalModels:T,totalTextures:U,loadedModels:T-
+G,loadedTextures:U-i},C);j.onLoadProgress();G==0&&i==0&&b(C)}var j=this,l=THREE.Loader.prototype.extractUrlBase(c),k,p,m,o,q,n,r,u,t,y,s,w,H,E,z,v,A,J,K,R,P,D,M,G,i,T,U,C;D=a;c=new THREE.BinaryLoader;M=new THREE.JSONLoader;i=G=0;C={scene:new THREE.Scene,geometries:{},materials:{},textures:{},objects:{},cameras:{},lights:{},fogs:{},empties:{}};if(D.transform){a=D.transform.position;y=D.transform.rotation;v=D.transform.scale;a&&C.scene.position.set(a[0],a[1],a[2]);y&&C.scene.rotation.set(y[0],y[1],
+y[2]);v&&C.scene.scale.set(v[0],v[1],v[2]);if(a||y||v){C.scene.updateMatrix();C.scene.updateMatrixWorld()}}a=function(){i=i-1;h();j.onLoadComplete()};for(q in D.cameras){v=D.cameras[q];v.type=="perspective"?R=new THREE.PerspectiveCamera(v.fov,v.aspect,v.near,v.far):v.type=="ortho"&&(R=new THREE.OrthographicCamera(v.left,v.right,v.top,v.bottom,v.near,v.far));w=v.position;y=v.target;v=v.up;R.position.set(w[0],w[1],w[2]);R.target=new THREE.Vector3(y[0],y[1],y[2]);v&&R.up.set(v[0],v[1],v[2]);C.cameras[q]=
+R}for(o in D.lights){y=D.lights[o];q=y.color!==void 0?y.color:16777215;R=y.intensity!==void 0?y.intensity:1;if(y.type=="directional"){w=y.direction;s=new THREE.DirectionalLight(q,R);s.position.set(w[0],w[1],w[2]);s.position.normalize()}else if(y.type=="point"){w=y.position;s=y.distance;s=new THREE.PointLight(q,R,s);s.position.set(w[0],w[1],w[2])}else y.type=="ambient"&&(s=new THREE.AmbientLight(q));C.scene.add(s);C.lights[o]=s}for(n in D.fogs){o=D.fogs[n];o.type=="linear"?P=new THREE.Fog(0,o.near,
+o.far):o.type=="exp2"&&(P=new THREE.FogExp2(0,o.density));v=o.color;P.color.setRGB(v[0],v[1],v[2]);C.fogs[n]=P}if(C.cameras&&D.defaults.camera)C.currentCamera=C.cameras[D.defaults.camera];if(C.fogs&&D.defaults.fog)C.scene.fog=C.fogs[D.defaults.fog];v=D.defaults.bgcolor;C.bgColor=new THREE.Color;C.bgColor.setRGB(v[0],v[1],v[2]);C.bgColorAlpha=D.defaults.bgalpha;for(k in D.geometries){n=D.geometries[k];if(n.type=="bin_mesh"||n.type=="ascii_mesh"){G=G+1;j.onLoadStart()}}T=G;for(k in D.geometries){n=
+D.geometries[k];if(n.type=="cube"){J=new THREE.CubeGeometry(n.width,n.height,n.depth,n.segmentsWidth,n.segmentsHeight,n.segmentsDepth,null,n.flipped,n.sides);C.geometries[k]=J}else if(n.type=="plane"){J=new THREE.PlaneGeometry(n.width,n.height,n.segmentsWidth,n.segmentsHeight);C.geometries[k]=J}else if(n.type=="sphere"){J=new THREE.SphereGeometry(n.radius,n.segmentsWidth,n.segmentsHeight);C.geometries[k]=J}else if(n.type=="cylinder"){J=new THREE.CylinderGeometry(n.topRad,n.botRad,n.height,n.radSegs,
+n.heightSegs);C.geometries[k]=J}else if(n.type=="torus"){J=new THREE.TorusGeometry(n.radius,n.tube,n.segmentsR,n.segmentsT);C.geometries[k]=J}else if(n.type=="icosahedron"){J=new THREE.IcosahedronGeometry(n.radius,n.subdivisions);C.geometries[k]=J}else if(n.type=="bin_mesh")c.load(d(n.url,D.urlBaseType),f(k));else if(n.type=="ascii_mesh")M.load(d(n.url,D.urlBaseType),f(k));else if(n.type=="embedded_mesh"){n=D.embeds[n.id];n.metadata=D.metadata;n&&M.createModel(n,g(k),"")}}for(r in D.textures){k=D.textures[r];
+if(k.url instanceof Array){i=i+k.url.length;for(n=0;n1){g=g[1];c[g]||(c[g]={start:Infinity,end:-Infinity});var h=c[g];if(eh.end)h.end=e;b||(b=g)}}a.firstAnimation=b};
+THREE.MorphAnimMesh.prototype.setAnimationLabel=function(a,b,c){if(!this.geometry.animations)this.geometry.animations={};this.geometry.animations[a]={start:b,end:c}};THREE.MorphAnimMesh.prototype.playAnimation=function(a,b){var c=this.geometry.animations[a];if(c){this.setFrameRange(c.start,c.end);this.duration=1E3*((c.end-c.start)/b);this.time=0}else console.warn("animation["+a+"] undefined")};
+THREE.MorphAnimMesh.prototype.updateAnimation=function(a){var b=this.duration/this.length;this.time=this.time+this.direction*a;if(this.mirroredLoop){if(this.time>this.duration||this.time<0){this.direction=this.direction*-1;if(this.time>this.duration){this.time=this.duration;this.directionBackwards=true}if(this.time<0){this.time=0;this.directionBackwards=false}}}else{this.time=this.time%this.duration;if(this.time<0)this.time=this.time+this.duration}a=this.startKeyframe+THREE.Math.clamp(Math.floor(this.time/
+b),0,this.length-1);if(a!==this.currentKeyframe){this.morphTargetInfluences[this.lastKeyframe]=0;this.morphTargetInfluences[this.currentKeyframe]=1;this.morphTargetInfluences[a]=0;this.lastKeyframe=this.currentKeyframe;this.currentKeyframe=a}b=this.time%b/b;this.directionBackwards&&(b=1-b);this.morphTargetInfluences[this.currentKeyframe]=b;this.morphTargetInfluences[this.lastKeyframe]=1-b};THREE.Ribbon=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=b};
+THREE.Ribbon.prototype=new THREE.Object3D;THREE.Ribbon.prototype.constructor=THREE.Ribbon;THREE.LOD=function(){THREE.Object3D.call(this);this.LODs=[]};THREE.LOD.prototype=new THREE.Object3D;THREE.LOD.prototype.constructor=THREE.LOD;THREE.LOD.prototype.supr=THREE.Object3D.prototype;THREE.LOD.prototype.addLevel=function(a,b){b===void 0&&(b=0);for(var b=Math.abs(b),c=0;c1){a.matrixWorldInverse.getInverse(a.matrixWorld);a=a.matrixWorldInverse;a=-(a.elements[2]*this.matrixWorld.elements[12]+a.elements[6]*this.matrixWorld.elements[13]+a.elements[10]*this.matrixWorld.elements[14]+a.elements[14]);this.LODs[0].object3D.visible=true;for(var b=1;b=this.LODs[b].visibleAtDistance){this.LODs[b-1].object3D.visible=false;this.LODs[b].object3D.visible=true}else break;for(;b>1);n=m.y*f+f-(o.offsetHeight>>1);o.style.left=q+"px";o.style.top=n+"px";o.style.zIndex=Math.abs(Math.floor((1-m.z)*d.far/d.near));g&&(o.style[g]="scale("+m.scale.x*e+","+m.scale.y*f+")")}}}};
+THREE.CanvasRenderer=function(a){function b(a){if(t!=a)n.globalAlpha=t=a}function c(a){if(y!=a){switch(a){case THREE.NormalBlending:n.globalCompositeOperation="source-over";break;case THREE.AdditiveBlending:n.globalCompositeOperation="lighter"}y=a}}function d(a){if(s!=a)n.strokeStyle=s=a}function e(a){if(w!=a)n.fillStyle=w=a}console.log("THREE.CanvasRenderer",THREE.REVISION);var a=a||{},f=this,g,h,j,l=new THREE.Projector,k=a.canvas!==void 0?a.canvas:document.createElement("canvas"),p,m,o,q,n=k.getContext("2d"),
+r=new THREE.Color(0),u=0,t=1,y=0,s=null,w=null,H=null,E=null,z=null,v,A,J,K,R=new THREE.RenderableVertex,P=new THREE.RenderableVertex,D,M,G,i,T,U,C,Y,F,ea,fa,ia,O=new THREE.Color,Q=new THREE.Color,Z=new THREE.Color,$=new THREE.Color,ha=new THREE.Color,Ma=[],Ka=[],Ra,La,Sa,Na,Kb,lb,gb,Lb,hb,Cb,Wa=new THREE.Rectangle,Ba=new THREE.Rectangle,xa=new THREE.Rectangle,$a=false,aa=new THREE.Color,Ta=new THREE.Color,Qa=new THREE.Color,oa=new THREE.Vector3,ib,Db,Sc,ab,pc,Bc,a=16;ib=document.createElement("canvas");
+ib.width=ib.height=2;Db=ib.getContext("2d");Db.fillStyle="rgba(0,0,0,1)";Db.fillRect(0,0,2,2);Sc=Db.getImageData(0,0,2,2);ab=Sc.data;pc=document.createElement("canvas");pc.width=pc.height=a;Bc=pc.getContext("2d");Bc.translate(-a/2,-a/2);Bc.scale(a,a);a--;this.domElement=k;this.sortElements=this.sortObjects=this.autoClear=true;this.info={render:{vertices:0,faces:0}};this.setSize=function(a,b){p=a;m=b;o=Math.floor(p/2);q=Math.floor(m/2);k.width=p;k.height=m;Wa.set(-o,-q,o,q);Ba.set(-o,-q,o,q);t=1;y=
+0;z=E=H=w=s=null};this.setClearColor=function(a,b){r.copy(a);u=b!==void 0?b:1;Ba.set(-o,-q,o,q)};this.setClearColorHex=function(a,b){r.setHex(a);u=b!==void 0?b:1;Ba.set(-o,-q,o,q)};this.clear=function(){n.setTransform(1,0,0,-1,o,q);if(!Ba.isEmpty()){Ba.minSelf(Wa);Ba.inflate(2);u<1&&n.clearRect(Math.floor(Ba.getX()),Math.floor(Ba.getY()),Math.floor(Ba.getWidth()),Math.floor(Ba.getHeight()));if(u>0){c(THREE.NormalBlending);b(1);e("rgba("+Math.floor(r.r*255)+","+Math.floor(r.g*255)+","+Math.floor(r.b*
+255)+","+u+")");n.fillRect(Math.floor(Ba.getX()),Math.floor(Ba.getY()),Math.floor(Ba.getWidth()),Math.floor(Ba.getHeight()))}Ba.empty()}};this.render=function(a,k){function m(a){var b,c,d,e;aa.setRGB(0,0,0);Ta.setRGB(0,0,0);Qa.setRGB(0,0,0);b=0;for(c=a.length;b>1;m=k.height>>1;g=f.scale.x*o;j=f.scale.y*q;i=g*l;h=j*m;xa.set(a.x-i,a.y-h,a.x+i,a.y+h);if(Wa.intersects(xa)){n.save();n.translate(a.x,a.y);n.rotate(-f.rotation);n.scale(g,-j);n.translate(-l,-m);n.drawImage(k,0,0);n.restore()}}}else if(g instanceof THREE.ParticleCanvasMaterial){i=f.scale.x*o;h=f.scale.y*q;xa.set(a.x-i,a.y-h,a.x+i,a.y+h);if(Wa.intersects(xa)){d(g.color.getContextStyle());
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+2)}}function t(a,d,e,g,h,l,m,n){f.info.render.vertices=f.info.render.vertices+3;f.info.render.faces++;b(n.opacity);c(n.blending);D=a.positionScreen.x;M=a.positionScreen.y;G=d.positionScreen.x;i=d.positionScreen.y;T=e.positionScreen.x;U=e.positionScreen.y;w(D,M,G,i,T,U);if(n instanceof THREE.MeshBasicMaterial)if(n.map){if(n.map.mapping instanceof THREE.UVMapping){Na=m.uvs[0];ad(D,M,G,i,T,U,Na[g].u,Na[g].v,Na[h].u,Na[h].v,Na[l].u,Na[l].v,n.map)}}else if(n.envMap){if(n.envMap.mapping instanceof THREE.SphericalReflectionMapping){a=
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+d,g,0,1,3,n,m,o);t(h,e,l,1,2,3,n,m,o)}else{D=a.positionScreen.x;M=a.positionScreen.y;G=d.positionScreen.x;i=d.positionScreen.y;T=e.positionScreen.x;U=e.positionScreen.y;C=g.positionScreen.x;Y=g.positionScreen.y;F=h.positionScreen.x;ea=h.positionScreen.y;fa=l.positionScreen.x;ia=l.positionScreen.y;if(m instanceof THREE.MeshBasicMaterial){y(D,M,G,i,T,U,C,Y);m.wireframe?Mb(m.color,m.wireframeLinewidth,m.wireframeLinecap,m.wireframeLinejoin):Eb(m.color)}else if(m instanceof THREE.MeshLambertMaterial)if($a)if(!m.wireframe&&
+m.shading==THREE.SmoothShading&&n.vertexNormalsWorld.length==4){Q.r=Z.r=$.r=ha.r=aa.r;Q.g=Z.g=$.g=ha.g=aa.g;Q.b=Z.b=$.b=ha.b=aa.b;p(j,n.v1.positionWorld,n.vertexNormalsWorld[0],Q);p(j,n.v2.positionWorld,n.vertexNormalsWorld[1],Z);p(j,n.v4.positionWorld,n.vertexNormalsWorld[3],$);p(j,n.v3.positionWorld,n.vertexNormalsWorld[2],ha);Q.r=Math.max(0,Math.min(m.color.r*Q.r,1));Q.g=Math.max(0,Math.min(m.color.g*Q.g,1));Q.b=Math.max(0,Math.min(m.color.b*Q.b,1));Z.r=Math.max(0,Math.min(m.color.r*Z.r,1));Z.g=
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+THREE.RepeatWrapping;Ma[p.id]=n.createPattern(p.image,o&&q?"repeat":o&&!q?"repeat-x":!o&&q?"repeat-y":"no-repeat");p.needsUpdate=false}e(Ma[p.id]);var o=p.offset.x/p.repeat.x,q=p.offset.y/p.repeat.y,Db=p.image.width*p.repeat.x,r=p.image.height*p.repeat.y,i=(i+o)*Db,h=(h+q)*r,c=c-a,d=d-b,f=f-a,g=g-b,j=(j+o)*Db-i,k=(k+q)*r-h,l=(l+o)*Db-i,m=(m+q)*r-h,o=j*m-l*k;if(o==0){if(Ka[p.id]===void 0){b=document.createElement("canvas");b.width=p.image.width;b.height=p.image.height;b=b.getContext("2d");b.drawImage(p.image,
+0,0);Ka[p.id]=b.getImageData(0,0,p.image.width,p.image.height).data}b=Ka[p.id];i=(Math.floor(i)+Math.floor(h)*p.image.width)*4;O.setRGB(b[i]/255,b[i+1]/255,b[i+2]/255);Eb(O)}else{o=1/o;p=(m*c-k*f)*o;k=(m*d-k*g)*o;c=(j*f-l*c)*o;d=(j*g-l*d)*o;a=a-p*i-c*h;i=b-k*i-d*h;n.save();n.transform(p,k,c,d,a,i);n.fill();n.restore()}}}function gc(a,b,c,d,e,f,g,i,h,j,k,l,m){var p,o;p=m.width-1;o=m.height-1;g=g*p;i=i*o;c=c-a;d=d-b;e=e-a;f=f-b;h=h*p-g;j=j*o-i;k=k*p-g;l=l*o-i;o=1/(h*l-k*j);p=(l*c-j*e)*o;j=(l*d-j*f)*
+o;c=(h*e-k*c)*o;d=(h*f-k*d)*o;a=a-p*g-c*i;b=b-j*g-d*i;n.save();n.transform(p,j,c,d,a,b);n.clip();n.drawImage(m,0,0);n.restore()}function Cc(a,b,c,d){var e=~~(a.r*255),f=~~(a.g*255),a=~~(a.b*255),g=~~(b.r*255),i=~~(b.g*255),b=~~(b.b*255),h=~~(c.r*255),j=~~(c.g*255),c=~~(c.b*255),k=~~(d.r*255),l=~~(d.g*255),d=~~(d.b*255);ab[0]=e<0?0:e>255?255:e;ab[1]=f<0?0:f>255?255:f;ab[2]=a<0?0:a>255?255:a;ab[4]=g<0?0:g>255?255:g;ab[5]=i<0?0:i>255?255:i;ab[6]=b<0?0:b>255?255:b;ab[8]=h<0?0:h>255?255:h;ab[9]=j<0?0:
+j>255?255:j;ab[10]=c<0?0:c>255?255:c;ab[12]=k<0?0:k>255?255:k;ab[13]=l<0?0:l>255?255:l;ab[14]=d<0?0:d>255?255:d;Db.putImageData(Sc,0,0);Bc.drawImage(ib,0,0);return pc}function ac(a,b,c){a=(a-b)/(c-b);return a*a*(3-2*a)}function hc(a){a=(a+1)*0.5;return a<0?0:a>1?1:a}function Nb(a,b){var c=b.x-a.x,d=b.y-a.y,e=c*c+d*d;if(e!=0){e=1/Math.sqrt(e);c=c*e;d=d*e;b.x=b.x+c;b.y=b.y+d;a.x=a.x-c;a.y=a.y-d}}var Dc,bd,Ha,eb;this.autoClear?this.clear():n.setTransform(1,0,0,-1,o,q);f.info.render.vertices=0;f.info.render.faces=
+0;g=l.projectScene(a,k,this.sortElements);h=g.elements;j=g.lights;($a=j.length>0)&&m(j);Dc=0;for(bd=h.length;Dc1?1:a}console.log("THREE.SVGRenderer",THREE.REVISION);var d=this,e,f,g,h=new THREE.Projector,j=document.createElementNS("http://www.w3.org/2000/svg","svg"),l,k,p,m,o,q,n,r,u=new THREE.Rectangle,t=new THREE.Rectangle,y=false,s=new THREE.Color,w=new THREE.Color,H=new THREE.Color,E=new THREE.Color,
+z,v=new THREE.Vector3,A=[],J=[],K,R,P,D=1;this.domElement=j;this.sortElements=this.sortObjects=this.autoClear=true;this.info={render:{vertices:0,faces:0}};this.setQuality=function(a){switch(a){case "high":D=1;break;case "low":D=0}};this.setSize=function(a,b){l=a;k=b;p=l/2;m=k/2;j.setAttribute("viewBox",-p+" "+-m+" "+l+" "+k);j.setAttribute("width",l);j.setAttribute("height",k);u.set(-p,-m,p,m)};this.clear=function(){for(;j.childNodes.length>0;)j.removeChild(j.childNodes[0])};this.render=function(k,
+l){var i,v,A,C;this.autoClear&&this.clear();d.info.render.vertices=0;d.info.render.faces=0;e=h.projectScene(k,l,this.sortElements);f=e.elements;g=e.lights;P=R=0;if(y=g.length>0){w.setRGB(0,0,0);H.setRGB(0,0,0);E.setRGB(0,0,0);i=0;for(v=g.length;i 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngle[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif",
+lights_lambert_vertex:"vLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\nvLightBack = vec3( 0.0 );\n#endif\ntransformedNormal = normalize( transformedNormal );\n#if MAX_DIR_LIGHTS > 0\nfor( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( transformedNormal, dirVector );\nvec3 directionalLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 directionalLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 directionalLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 directionalLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\ndirectionalLightWeighting = mix( directionalLightWeighting, directionalLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\ndirectionalLightWeightingBack = mix( directionalLightWeightingBack, directionalLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += directionalLightColor[ i ] * directionalLightWeighting;\n#ifdef DOUBLE_SIDED\nvLightBack += directionalLightColor[ i ] * directionalLightWeightingBack;\n#endif\n}\n#endif\n#if MAX_POINT_LIGHTS > 0\nfor( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\nfloat dotProduct = dot( transformedNormal, lVector );\nvec3 pointLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 pointLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 pointLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 pointLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\npointLightWeighting = mix( pointLightWeighting, pointLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\npointLightWeightingBack = mix( pointLightWeightingBack, pointLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += pointLightColor[ i ] * pointLightWeighting * lDistance;\n#ifdef DOUBLE_SIDED\nvLightBack += pointLightColor[ i ] * pointLightWeightingBack * lDistance;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nfor( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nlVector = normalize( lVector );\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - mPosition.xyz ) );\nif ( spotEffect > spotLightAngle[ i ] ) {\nspotEffect = pow( spotEffect, spotLightExponent[ i ] );\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nfloat dotProduct = dot( transformedNormal, lVector );\nvec3 spotLightWeighting = vec3( max( dotProduct, 0.0 ) );\n#ifdef DOUBLE_SIDED\nvec3 spotLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );\n#ifdef WRAP_AROUND\nvec3 spotLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );\n#endif\n#endif\n#ifdef WRAP_AROUND\nvec3 spotLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );\nspotLightWeighting = mix( spotLightWeighting, spotLightWeightingHalf, wrapRGB );\n#ifdef DOUBLE_SIDED\nspotLightWeightingBack = mix( spotLightWeightingBack, spotLightWeightingHalfBack, wrapRGB );\n#endif\n#endif\nvLightFront += spotLightColor[ i ] * spotLightWeighting * lDistance * spotEffect;\n#ifdef DOUBLE_SIDED\nvLightBack += spotLightColor[ i ] * spotLightWeightingBack * lDistance * spotEffect;\n#endif\n}\n}\n#endif\nvLightFront = vLightFront * diffuse + ambient * ambientLightColor + emissive;\n#ifdef DOUBLE_SIDED\nvLightBack = vLightBack * diffuse + ambient * ambientLightColor + emissive;\n#endif",
+lights_phong_pars_vertex:"#ifndef PHONG_PER_PIXEL\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\nvarying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0\nvarying vec3 vWorldPosition;\n#endif",lights_phong_vertex:"#ifndef PHONG_PER_PIXEL\n#if MAX_POINT_LIGHTS > 0\nfor( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nvPointLight[ i ] = vec4( lVector, lDistance );\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nfor( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nvSpotLight[ i ] = vec4( lVector, lDistance );\n}\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0\nvWorldPosition = mPosition.xyz;\n#endif",
+lights_phong_pars_fragment:"uniform vec3 ambientLightColor;\n#if MAX_DIR_LIGHTS > 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\n#ifdef PHONG_PER_PIXEL\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\n#else\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\n#endif\n#if MAX_SPOT_LIGHTS > 0\nuniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];\nuniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];\nuniform float spotLightAngle[ MAX_SPOT_LIGHTS ];\nuniform float spotLightExponent[ MAX_SPOT_LIGHTS ];\n#ifdef PHONG_PER_PIXEL\nuniform float spotLightDistance[ MAX_SPOT_LIGHTS ];\n#else\nvarying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];\n#endif\nvarying vec3 vWorldPosition;\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif\nvarying vec3 vViewPosition;\nvarying vec3 vNormal;",
+lights_phong_fragment:"vec3 normal = normalize( vNormal );\nvec3 viewPosition = normalize( vViewPosition );\n#ifdef DOUBLE_SIDED\nnormal = normal * ( -1.0 + 2.0 * float( gl_FrontFacing ) );\n#endif\n#if MAX_POINT_LIGHTS > 0\nvec3 pointDiffuse = vec3( 0.0 );\nvec3 pointSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\n#ifdef PHONG_PER_PIXEL\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz + vViewPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\n#else\nvec3 lVector = normalize( vPointLight[ i ].xyz );\nfloat lDistance = vPointLight[ i ].w;\n#endif\nfloat dotProduct = dot( normal, lVector );\n#ifdef WRAP_AROUND\nfloat pointDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat pointDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );\n#else\nfloat pointDiffuseWeight = max( dotProduct, 0.0 );\n#endif\npointDiffuse += diffuse * pointLightColor[ i ] * pointDiffuseWeight * lDistance;\nvec3 pointHalfVector = normalize( lVector + viewPosition );\nfloat pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );\nfloat pointSpecularWeight = max( pow( pointDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, pointHalfVector ), 5.0 );\npointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance * specularNormalization;\n#else\npointSpecular += specular * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance;\n#endif\n}\n#endif\n#if MAX_SPOT_LIGHTS > 0\nvec3 spotDiffuse = vec3( 0.0 );\nvec3 spotSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {\n#ifdef PHONG_PER_PIXEL\nvec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz + vViewPosition.xyz;\nfloat lDistance = 1.0;\nif ( spotLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\n#else\nvec3 lVector = normalize( vSpotLight[ i ].xyz );\nfloat lDistance = vSpotLight[ i ].w;\n#endif\nfloat spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - vWorldPosition ) );\nif ( spotEffect > spotLightAngle[ i ] ) {\nspotEffect = pow( spotEffect, spotLightExponent[ i ] );\nfloat dotProduct = dot( normal, lVector );\n#ifdef WRAP_AROUND\nfloat spotDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat spotDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 spotDiffuseWeight = mix( vec3 ( spotDiffuseWeightFull ), vec3( spotDiffuseWeightHalf ), wrapRGB );\n#else\nfloat spotDiffuseWeight = max( dotProduct, 0.0 );\n#endif\nspotDiffuse += diffuse * spotLightColor[ i ] * spotDiffuseWeight * lDistance * spotEffect;\nvec3 spotHalfVector = normalize( lVector + viewPosition );\nfloat spotDotNormalHalf = max( dot( normal, spotHalfVector ), 0.0 );\nfloat spotSpecularWeight = max( pow( spotDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, spotHalfVector ), 5.0 );\nspotSpecular += schlick * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * specularNormalization * spotEffect;\n#else\nspotSpecular += specular * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * spotEffect;\n#endif\n}\n}\n#endif\n#if MAX_DIR_LIGHTS > 0\nvec3 dirDiffuse = vec3( 0.0 );\nvec3 dirSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\nfloat dotProduct = dot( normal, dirVector );\n#ifdef WRAP_AROUND\nfloat dirDiffuseWeightFull = max( dotProduct, 0.0 );\nfloat dirDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\nvec3 dirDiffuseWeight = mix( vec3( dirDiffuseWeightFull ), vec3( dirDiffuseWeightHalf ), wrapRGB );\n#else\nfloat dirDiffuseWeight = max( dotProduct, 0.0 );\n#endif\ndirDiffuse += diffuse * directionalLightColor[ i ] * dirDiffuseWeight;\nvec3 dirHalfVector = normalize( dirVector + viewPosition );\nfloat dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );\nfloat dirSpecularWeight = max( pow( dirDotNormalHalf, shininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( shininess + 2.0001 ) / 8.0;\nvec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );\ndirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;\n#else\ndirSpecular += specular * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight;\n#endif\n}\n#endif\nvec3 totalDiffuse = vec3( 0.0 );\nvec3 totalSpecular = vec3( 0.0 );\n#if MAX_DIR_LIGHTS > 0\ntotalDiffuse += dirDiffuse;\ntotalSpecular += dirSpecular;\n#endif\n#if MAX_POINT_LIGHTS > 0\ntotalDiffuse += pointDiffuse;\ntotalSpecular += pointSpecular;\n#endif\n#if MAX_SPOT_LIGHTS > 0\ntotalDiffuse += spotDiffuse;\ntotalSpecular += spotSpecular;\n#endif\n#ifdef METAL\ngl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient + totalSpecular );\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient ) + totalSpecular;\n#endif",
+color_pars_fragment:"#ifdef USE_COLOR\nvarying vec3 vColor;\n#endif",color_fragment:"#ifdef USE_COLOR\ngl_FragColor = gl_FragColor * vec4( vColor, opacity );\n#endif",color_pars_vertex:"#ifdef USE_COLOR\nvarying vec3 vColor;\n#endif",color_vertex:"#ifdef USE_COLOR\n#ifdef GAMMA_INPUT\nvColor = color * color;\n#else\nvColor = color;\n#endif\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\nuniform mat4 boneGlobalMatrices[ MAX_BONES ];\n#endif",skinning_vertex:"#ifdef USE_SKINNING\ngl_Position = ( boneGlobalMatrices[ int( skinIndex.x ) ] * skinVertexA ) * skinWeight.x;\ngl_Position += ( boneGlobalMatrices[ int( skinIndex.y ) ] * skinVertexB ) * skinWeight.y;\ngl_Position = projectionMatrix * modelViewMatrix * gl_Position;\n#endif",
+morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n#ifndef USE_MORPHNORMALS\nuniform float morphTargetInfluences[ 8 ];\n#else\nuniform float morphTargetInfluences[ 4 ];\n#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\nvec3 morphed = vec3( 0.0 );\nmorphed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\nmorphed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\nmorphed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\nmorphed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n#ifndef USE_MORPHNORMALS\nmorphed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\nmorphed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\nmorphed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\nmorphed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n#endif\nmorphed += position;\ngl_Position = projectionMatrix * modelViewMatrix * vec4( morphed, 1.0 );\n#endif",
+default_vertex:"#ifndef USE_MORPHTARGETS\n#ifndef USE_SKINNING\ngl_Position = projectionMatrix * mvPosition;\n#endif\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\nvec3 morphedNormal = vec3( 0.0 );\nmorphedNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\nmorphedNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\nmorphedNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\nmorphedNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\nmorphedNormal += normal;\nvec3 transformedNormal = normalMatrix * morphedNormal;\n#else\nvec3 transformedNormal = normalMatrix * normal;\n#endif",
+shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\nuniform sampler2D shadowMap[ MAX_SHADOWS ];\nuniform vec2 shadowMapSize[ MAX_SHADOWS ];\nuniform float shadowDarkness[ MAX_SHADOWS ];\nuniform float shadowBias[ MAX_SHADOWS ];\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nfloat unpackDepth( const in vec4 rgba_depth ) {\nconst vec4 bit_shift = vec4( 1.0 / ( 256.0 * 256.0 * 256.0 ), 1.0 / ( 256.0 * 256.0 ), 1.0 / 256.0, 1.0 );\nfloat depth = dot( rgba_depth, bit_shift );\nreturn depth;\n}\n#endif",shadowmap_fragment:"#ifdef USE_SHADOWMAP\n#ifdef SHADOWMAP_DEBUG\nvec3 frustumColors[3];\nfrustumColors[0] = vec3( 1.0, 0.5, 0.0 );\nfrustumColors[1] = vec3( 0.0, 1.0, 0.8 );\nfrustumColors[2] = vec3( 0.0, 0.5, 1.0 );\n#endif\n#ifdef SHADOWMAP_CASCADE\nint inFrustumCount = 0;\n#endif\nfloat fDepth;\nvec3 shadowColor = vec3( 1.0 );\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\nvec3 shadowCoord = vShadowCoord[ i ].xyz / vShadowCoord[ i ].w;\nbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\nbool inFrustum = all( inFrustumVec );\n#ifdef SHADOWMAP_CASCADE\ninFrustumCount += int( inFrustum );\nbvec3 frustumTestVec = bvec3( inFrustum, inFrustumCount == 1, shadowCoord.z <= 1.0 );\n#else\nbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n#endif\nbool frustumTest = all( frustumTestVec );\nif ( frustumTest ) {\nshadowCoord.z += shadowBias[ i ];\n#ifdef SHADOWMAP_SOFT\nfloat shadow = 0.0;\nconst float shadowDelta = 1.0 / 9.0;\nfloat xPixelOffset = 1.0 / shadowMapSize[ i ].x;\nfloat yPixelOffset = 1.0 / shadowMapSize[ i ].y;\nfloat dx0 = -1.25 * xPixelOffset;\nfloat dy0 = -1.25 * yPixelOffset;\nfloat dx1 = 1.25 * xPixelOffset;\nfloat dy1 = 1.25 * yPixelOffset;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nfDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );\nif ( fDepth < shadowCoord.z ) shadow += shadowDelta;\nshadowColor = shadowColor * vec3( ( 1.0 - shadowDarkness[ i ] * shadow ) );\n#else\nvec4 rgbaDepth = texture2D( shadowMap[ i ], shadowCoord.xy );\nfloat fDepth = unpackDepth( rgbaDepth );\nif ( fDepth < shadowCoord.z )\nshadowColor = shadowColor * vec3( 1.0 - shadowDarkness[ i ] );\n#endif\n}\n#ifdef SHADOWMAP_DEBUG\n#ifdef SHADOWMAP_CASCADE\nif ( inFrustum && inFrustumCount == 1 ) gl_FragColor.xyz *= frustumColors[ i ];\n#else\nif ( inFrustum ) gl_FragColor.xyz *= frustumColors[ i ];\n#endif\n#endif\n}\n#ifdef GAMMA_OUTPUT\nshadowColor *= shadowColor;\n#endif\ngl_FragColor.xyz = gl_FragColor.xyz * shadowColor;\n#endif",
+shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\nvarying vec4 vShadowCoord[ MAX_SHADOWS ];\nuniform mat4 shadowMatrix[ MAX_SHADOWS ];\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\nfor( int i = 0; i < MAX_SHADOWS; i ++ ) {\n#ifdef USE_MORPHTARGETS\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( morphed, 1.0 );\n#else\nvShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( position, 1.0 );\n#endif\n}\n#endif",alphatest_fragment:"#ifdef ALPHATEST\nif ( gl_FragColor.a < ALPHATEST ) discard;\n#endif",
+linear_to_gamma_fragment:"#ifdef GAMMA_OUTPUT\ngl_FragColor.xyz = sqrt( gl_FragColor.xyz );\n#endif"};
+THREE.UniformsUtils={merge:function(a){var b,c,d,e={};for(b=0;b=0)return a.geometry.materials[b.materialIndex]}function d(a){return a instanceof THREE.MeshBasicMaterial&&!a.envMap||a instanceof THREE.MeshDepthMaterial?false:a&&a.shading!==void 0&&a.shading===THREE.SmoothShading?THREE.SmoothShading:THREE.FlatShading}function e(a){return a.map||a.lightMap||a instanceof THREE.ShaderMaterial?true:false}function f(a,b,c){var d,e,f,g,h=a.vertices;g=h.length;
+var j=a.colors,k=j.length,l=a.__vertexArray,m=a.__colorArray,n=a.__sortArray,p=a.verticesNeedUpdate,o=a.colorsNeedUpdate,q=a.__webglCustomAttributesList;if(c.sortParticles){xa.copy(Ba);xa.multiplySelf(c.matrixWorld);for(d=0;d=0;c--)a[c].object===
+b&&a.splice(c,1)}function q(a,b){for(var c=a.length-1;c>=0;c--)a[c]===b&&a.splice(c,1)}function n(a,b,c,d,e){if(!d.program||d.needsUpdate){G.initMaterial(d,b,c,e);d.needsUpdate=false}if(d.morphTargets&&!e.__webglMorphTargetInfluences){e.__webglMorphTargetInfluences=new Float32Array(G.maxMorphTargets);for(var f=0,g=G.maxMorphTargets;f0};this.setSize=function(a,b){E.width=a;E.height=b;this.setViewport(0,0,E.width,E.height)};this.setViewport=function(a,b,c,d){Kb=a;lb=b;gb=c;Lb=d;i.viewport(Kb,lb,gb,Lb)};this.setScissor=function(a,b,c,d){i.scissor(a,b,c,d)};this.enableScissorTest=function(a){a?i.enable(i.SCISSOR_TEST):i.disable(i.SCISSOR_TEST)};this.setClearColorHex=function(a,b){P.setHex(a);D=b;i.clearColor(P.r,P.g,P.b,D)};this.setClearColor=function(a,
+b){P.copy(a);D=b;i.clearColor(P.r,P.g,P.b,D)};this.getClearColor=function(){return P};this.getClearAlpha=function(){return D};this.clear=function(a,b,c){var d=0;if(a===void 0||a)d=d|i.COLOR_BUFFER_BIT;if(b===void 0||b)d=d|i.DEPTH_BUFFER_BIT;if(c===void 0||c)d=d|i.STENCIL_BUFFER_BIT;i.clear(d)};this.clearTarget=function(a,b,c,d){this.setRenderTarget(a);this.clear(b,c,d)};this.addPostPlugin=function(a){a.init(this);this.renderPluginsPost.push(a)};this.addPrePlugin=function(a){a.init(this);this.renderPluginsPre.push(a)};
+this.deallocateObject=function(a){if(a.__webglInit){a.__webglInit=false;delete a._modelViewMatrix;delete a._normalMatrix;delete a._normalMatrixArray;delete a._modelViewMatrixArray;delete a._objectMatrixArray;if(a instanceof THREE.Mesh)for(var b in a.geometry.geometryGroups){var c=a.geometry.geometryGroups[b];i.deleteBuffer(c.__webglVertexBuffer);i.deleteBuffer(c.__webglNormalBuffer);i.deleteBuffer(c.__webglTangentBuffer);i.deleteBuffer(c.__webglColorBuffer);i.deleteBuffer(c.__webglUVBuffer);i.deleteBuffer(c.__webglUV2Buffer);
+i.deleteBuffer(c.__webglSkinVertexABuffer);i.deleteBuffer(c.__webglSkinVertexBBuffer);i.deleteBuffer(c.__webglSkinIndicesBuffer);i.deleteBuffer(c.__webglSkinWeightsBuffer);i.deleteBuffer(c.__webglFaceBuffer);i.deleteBuffer(c.__webglLineBuffer);var d=void 0,e=void 0;if(c.numMorphTargets){d=0;for(e=c.numMorphTargets;d=0&&e.vertexNormalBuffer){i.bindBuffer(i.ARRAY_BUFFER,
+e.vertexNormalBuffer);i.vertexAttribPointer(a.normal,e.vertexNormalBuffer.itemSize,i.FLOAT,false,0,f[d].index*12)}if(a.uv>=0&&e.vertexUvBuffer)if(e.vertexUvBuffer){i.bindBuffer(i.ARRAY_BUFFER,e.vertexUvBuffer);i.vertexAttribPointer(a.uv,e.vertexUvBuffer.itemSize,i.FLOAT,false,0,f[d].index*8);i.enableVertexAttribArray(a.uv)}else i.disableVertexAttribArray(a.uv);if(a.color>=0&&e.vertexColorBuffer){i.bindBuffer(i.ARRAY_BUFFER,e.vertexColorBuffer);i.vertexAttribPointer(a.color,e.vertexColorBuffer.itemSize,
+i.FLOAT,false,0,f[d].index*16)}i.bindBuffer(i.ELEMENT_ARRAY_BUFFER,e.vertexIndexBuffer)}i.drawElements(i.TRIANGLES,f[d].count,i.UNSIGNED_SHORT,f[d].start*2);G.info.render.calls++;G.info.render.vertices=G.info.render.vertices+f[d].count;G.info.render.faces=G.info.render.faces+f[d].count/3}}}};this.renderBuffer=function(a,b,c,d,e,f){if(d.visible!==false){var g,h,c=n(a,b,c,d,f),b=c.attributes,a=false,c=e.id*16777215+c.id*2+(d.wireframe?1:0);if(c!==F){F=c;a=true}if(!d.morphTargets&&b.position>=0){if(a){i.bindBuffer(i.ARRAY_BUFFER,
+e.__webglVertexBuffer);i.vertexAttribPointer(b.position,3,i.FLOAT,false,0,0)}}else if(f.morphTargetBase){c=d.program.attributes;if(f.morphTargetBase!==-1){i.bindBuffer(i.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[f.morphTargetBase]);i.vertexAttribPointer(c.position,3,i.FLOAT,false,0,0)}else if(c.position>=0){i.bindBuffer(i.ARRAY_BUFFER,e.__webglVertexBuffer);i.vertexAttribPointer(c.position,3,i.FLOAT,false,0,0)}if(f.morphTargetForcedOrder.length){g=0;var j=f.morphTargetForcedOrder;for(h=f.morphTargetInfluences;g<
+d.numSupportedMorphTargets&&gk){l=m;k=h[l]}i.bindBuffer(i.ARRAY_BUFFER,e.__webglMorphTargetsBuffers[l]);i.vertexAttribPointer(c["morphTarget"+g],3,i.FLOAT,false,0,0);if(d.morphNormals){i.bindBuffer(i.ARRAY_BUFFER,e.__webglMorphNormalsBuffers[l]);i.vertexAttribPointer(c["morphNormal"+g],3,i.FLOAT,false,0,0)}f.__webglMorphTargetInfluences[g]=k;j[l]=1;k=-1;g++}}d.program.uniforms.morphTargetInfluences!==null&&i.uniform1fv(d.program.uniforms.morphTargetInfluences,f.__webglMorphTargetInfluences)}if(a){if(e.__webglCustomAttributesList){g=
+0;for(h=e.__webglCustomAttributesList.length;g=0){i.bindBuffer(i.ARRAY_BUFFER,c.buffer);i.vertexAttribPointer(b[c.buffer.belongsToAttribute],c.size,i.FLOAT,false,0,0)}}}if(b.color>=0){i.bindBuffer(i.ARRAY_BUFFER,e.__webglColorBuffer);i.vertexAttribPointer(b.color,3,i.FLOAT,false,0,0)}if(b.normal>=0){i.bindBuffer(i.ARRAY_BUFFER,e.__webglNormalBuffer);i.vertexAttribPointer(b.normal,3,i.FLOAT,false,0,0)}if(b.tangent>=0){i.bindBuffer(i.ARRAY_BUFFER,
+e.__webglTangentBuffer);i.vertexAttribPointer(b.tangent,4,i.FLOAT,false,0,0)}if(b.uv>=0)if(e.__webglUVBuffer){i.bindBuffer(i.ARRAY_BUFFER,e.__webglUVBuffer);i.vertexAttribPointer(b.uv,2,i.FLOAT,false,0,0);i.enableVertexAttribArray(b.uv)}else i.disableVertexAttribArray(b.uv);if(b.uv2>=0)if(e.__webglUV2Buffer){i.bindBuffer(i.ARRAY_BUFFER,e.__webglUV2Buffer);i.vertexAttribPointer(b.uv2,2,i.FLOAT,false,0,0);i.enableVertexAttribArray(b.uv2)}else i.disableVertexAttribArray(b.uv2);if(d.skinning&&b.skinVertexA>=
+0&&b.skinVertexB>=0&&b.skinIndex>=0&&b.skinWeight>=0){i.bindBuffer(i.ARRAY_BUFFER,e.__webglSkinVertexABuffer);i.vertexAttribPointer(b.skinVertexA,4,i.FLOAT,false,0,0);i.bindBuffer(i.ARRAY_BUFFER,e.__webglSkinVertexBBuffer);i.vertexAttribPointer(b.skinVertexB,4,i.FLOAT,false,0,0);i.bindBuffer(i.ARRAY_BUFFER,e.__webglSkinIndicesBuffer);i.vertexAttribPointer(b.skinIndex,4,i.FLOAT,false,0,0);i.bindBuffer(i.ARRAY_BUFFER,e.__webglSkinWeightsBuffer);i.vertexAttribPointer(b.skinWeight,4,i.FLOAT,false,0,0)}}if(f instanceof
+THREE.Mesh){if(d.wireframe){d=d.wireframeLinewidth;if(d!==Na){i.lineWidth(d);Na=d}a&&i.bindBuffer(i.ELEMENT_ARRAY_BUFFER,e.__webglLineBuffer);i.drawElements(i.LINES,e.__webglLineCount,i.UNSIGNED_SHORT,0)}else{a&&i.bindBuffer(i.ELEMENT_ARRAY_BUFFER,e.__webglFaceBuffer);i.drawElements(i.TRIANGLES,e.__webglFaceCount,i.UNSIGNED_SHORT,0)}G.info.render.calls++;G.info.render.vertices=G.info.render.vertices+e.__webglFaceCount;G.info.render.faces=G.info.render.faces+e.__webglFaceCount/3}else if(f instanceof
+THREE.Line){f=f.type===THREE.LineStrip?i.LINE_STRIP:i.LINES;d=d.linewidth;if(d!==Na){i.lineWidth(d);Na=d}i.drawArrays(f,0,e.__webglLineCount);G.info.render.calls++}else if(f instanceof THREE.ParticleSystem){i.drawArrays(i.POINTS,0,e.__webglParticleCount);G.info.render.calls++;G.info.render.points=G.info.render.points+e.__webglParticleCount}else if(f instanceof THREE.Ribbon){i.drawArrays(i.TRIANGLE_STRIP,0,e.__webglVertexCount);G.info.render.calls++}}};this.render=function(a,b,c,d){var e,f,k,m,n=a.__lights,
+p=a.fog;Y=-1;Ta=true;if(b.parent===void 0){console.warn("DEPRECATED: Camera hasn't been added to a Scene. Adding it...");a.add(b)}this.autoUpdateScene&&a.updateMatrixWorld();if(!b._viewMatrixArray)b._viewMatrixArray=new Float32Array(16);if(!b._projectionMatrixArray)b._projectionMatrixArray=new Float32Array(16);b.matrixWorldInverse.getInverse(b.matrixWorld);b.matrixWorldInverse.flattenToArray(b._viewMatrixArray);b.projectionMatrix.flattenToArray(b._projectionMatrixArray);Ba.multiply(b.projectionMatrix,
+b.matrixWorldInverse);Wa.setFromMatrix(Ba);this.autoUpdateObjects&&this.initWebGLObjects(a);h(this.renderPluginsPre,a,b);G.info.render.calls=0;G.info.render.vertices=0;G.info.render.faces=0;G.info.render.points=0;this.setRenderTarget(c);(this.autoClear||d)&&this.clear(this.autoClearColor,this.autoClearDepth,this.autoClearStencil);m=a.__webglObjects;d=0;for(e=m.length;d=0){t=q.geometry.materials[t];if(t.transparent){o.transparent=t;o.opaque=null}else{o.opaque=t;o.transparent=null}}}else if(t)if(t.transparent){o.transparent=t;o.opaque=null}else{o.opaque=t;o.transparent=null}f.render=true;if(this.sortObjects)if(k.renderDepth)f.z=k.renderDepth;else{$a.copy(k.matrixWorld.getPosition());Ba.multiplyVector3($a);f.z=$a.z}}}this.sortObjects&&
+m.sort(g);m=a.__webglObjectsImmediate;d=0;for(e=m.length;d65535){A[z].counter=A[z].counter+1;y=A[z].hash+"_"+A[z].counter;r.geometryGroups[y]===void 0&&(r.geometryGroups[y]={faces3:[],faces4:[],materialIndex:v,vertices:0,numMorphTargets:C,
+numMorphNormals:D})}u instanceof THREE.Face3?r.geometryGroups[y].faces3.push(s):r.geometryGroups[y].faces4.push(s);r.geometryGroups[y].vertices=r.geometryGroups[y].vertices+w}r.geometryGroupsList=[];var E=void 0;for(E in r.geometryGroups){r.geometryGroups[E].id=fa++;r.geometryGroupsList.push(r.geometryGroups[E])}}for(j in l.geometryGroups){n=l.geometryGroups[j];if(!n.__webglVertexBuffer){var F=n;F.__webglVertexBuffer=i.createBuffer();F.__webglNormalBuffer=i.createBuffer();F.__webglTangentBuffer=i.createBuffer();
+F.__webglColorBuffer=i.createBuffer();F.__webglUVBuffer=i.createBuffer();F.__webglUV2Buffer=i.createBuffer();F.__webglSkinVertexABuffer=i.createBuffer();F.__webglSkinVertexBBuffer=i.createBuffer();F.__webglSkinIndicesBuffer=i.createBuffer();F.__webglSkinWeightsBuffer=i.createBuffer();F.__webglFaceBuffer=i.createBuffer();F.__webglLineBuffer=i.createBuffer();var H=void 0,K=void 0;if(F.numMorphTargets){F.__webglMorphTargetsBuffers=[];H=0;for(K=F.numMorphTargets;H
+0||O.faceVertexUvs.length>0)Q.__uvArray=new Float32Array(P*2);if(O.faceUvs.length>1||O.faceVertexUvs.length>1)Q.__uv2Array=new Float32Array(P*2)}if(J.geometry.skinWeights.length&&J.geometry.skinIndices.length){Q.__skinVertexAArray=new Float32Array(P*4);Q.__skinVertexBArray=new Float32Array(P*4);Q.__skinIndexArray=new Float32Array(P*4);Q.__skinWeightArray=new Float32Array(P*4)}Q.__faceArray=new Uint16Array(Z*3);Q.__lineArray=new Uint16Array(Y*2);var U=void 0,ha=void 0;if(Q.numMorphTargets){Q.__morphTargetsArrays=
+[];U=0;for(ha=Q.numMorphTargets;U0){i.bindBuffer(i.ARRAY_BUFFER,ca.__webglSkinVertexABuffer);i.bufferData(i.ARRAY_BUFFER,ra,Xa);i.bindBuffer(i.ARRAY_BUFFER,ca.__webglSkinVertexBBuffer);i.bufferData(i.ARRAY_BUFFER,sa,Xa);i.bindBuffer(i.ARRAY_BUFFER,ca.__webglSkinIndicesBuffer);i.bufferData(i.ARRAY_BUFFER,ta,Xa);i.bindBuffer(i.ARRAY_BUFFER,ca.__webglSkinWeightsBuffer);i.bufferData(i.ARRAY_BUFFER,ua,Xa)}}if(td&&Tc){I=0;for(S=ka.length;I0){i.bindBuffer(i.ARRAY_BUFFER,ca.__webglColorBuffer);i.bufferData(i.ARRAY_BUFFER,Ga,Xa)}}if(sd&&Pa.hasTangents){I=0;for(S=ka.length;I0){i.bindBuffer(i.ARRAY_BUFFER,ca.__webglUVBuffer);i.bufferData(i.ARRAY_BUFFER,vc,Xa)}}if(gd&&Yc&&dd){I=0;for(S=ka.length;I0){i.bindBuffer(i.ARRAY_BUFFER,ca.__webglUV2Buffer);i.bufferData(i.ARRAY_BUFFER,wc,Xa)}}if(qd){I=0;for(S=ka.length;I0?"#define VERTEX_TEXTURES":"",G.gammaInput?"#define GAMMA_INPUT":"",G.gammaOutput?"#define GAMMA_OUTPUT":"",G.physicallyBasedShading?"#define PHYSICALLY_BASED_SHADING":"","#define MAX_DIR_LIGHTS "+c.maxDirLights,"#define MAX_POINT_LIGHTS "+c.maxPointLights,"#define MAX_SPOT_LIGHTS "+c.maxSpotLights,"#define MAX_SHADOWS "+c.maxShadows,"#define MAX_BONES "+
+c.maxBones,c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.lightMap?"#define USE_LIGHTMAP":"",c.vertexColors?"#define USE_COLOR":"",c.skinning?"#define USE_SKINNING":"",c.morphTargets?"#define USE_MORPHTARGETS":"",c.morphNormals?"#define USE_MORPHNORMALS":"",c.perPixel?"#define PHONG_PER_PIXEL":"",c.wrapAround?"#define WRAP_AROUND":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapSoft?"#define SHADOWMAP_SOFT":"",c.shadowMapDebug?"#define SHADOWMAP_DEBUG":
+"",c.shadowMapCascade?"#define SHADOWMAP_CASCADE":"",c.sizeAttenuation?"#define USE_SIZEATTENUATION":"","uniform mat4 objectMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat3 normalMatrix;\nuniform vec3 cameraPosition;\nattribute vec3 position;\nattribute vec3 normal;\nattribute vec2 uv;\nattribute vec2 uv2;\n#ifdef USE_COLOR\nattribute vec3 color;\n#endif\n#ifdef USE_MORPHTARGETS\nattribute vec3 morphTarget0;\nattribute vec3 morphTarget1;\nattribute vec3 morphTarget2;\nattribute vec3 morphTarget3;\n#ifdef USE_MORPHNORMALS\nattribute vec3 morphNormal0;\nattribute vec3 morphNormal1;\nattribute vec3 morphNormal2;\nattribute vec3 morphNormal3;\n#else\nattribute vec3 morphTarget4;\nattribute vec3 morphTarget5;\nattribute vec3 morphTarget6;\nattribute vec3 morphTarget7;\n#endif\n#endif\n#ifdef USE_SKINNING\nattribute vec4 skinVertexA;\nattribute vec4 skinVertexB;\nattribute vec4 skinIndex;\nattribute vec4 skinWeight;\n#endif\n"].join("\n");
+k=["precision "+z+" float;","#define MAX_DIR_LIGHTS "+c.maxDirLights,"#define MAX_POINT_LIGHTS "+c.maxPointLights,"#define MAX_SPOT_LIGHTS "+c.maxSpotLights,"#define MAX_SHADOWS "+c.maxShadows,c.alphaTest?"#define ALPHATEST "+c.alphaTest:"",G.gammaInput?"#define GAMMA_INPUT":"",G.gammaOutput?"#define GAMMA_OUTPUT":"",G.physicallyBasedShading?"#define PHYSICALLY_BASED_SHADING":"",c.useFog&&c.fog?"#define USE_FOG":"",c.useFog&&c.fog instanceof THREE.FogExp2?"#define FOG_EXP2":"",c.map?"#define USE_MAP":
+"",c.envMap?"#define USE_ENVMAP":"",c.lightMap?"#define USE_LIGHTMAP":"",c.vertexColors?"#define USE_COLOR":"",c.metal?"#define METAL":"",c.perPixel?"#define PHONG_PER_PIXEL":"",c.wrapAround?"#define WRAP_AROUND":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapSoft?"#define SHADOWMAP_SOFT":"",c.shadowMapDebug?"#define SHADOWMAP_DEBUG":"",c.shadowMapCascade?"#define SHADOWMAP_CASCADE":"","uniform mat4 viewMatrix;\nuniform vec3 cameraPosition;\n"].join("\n");
+i.attachShader(r,t("fragment",k+n));i.attachShader(r,t("vertex",d+j));i.linkProgram(r);i.getProgramParameter(r,i.LINK_STATUS)||console.error("Could not initialise shader\nVALIDATE_STATUS: "+i.getProgramParameter(r,i.VALIDATE_STATUS)+", gl error ["+i.getError()+"]");r.uniforms={};r.attributes={};var s,d=["viewMatrix","modelViewMatrix","projectionMatrix","normalMatrix","objectMatrix","cameraPosition","boneGlobalMatrices","morphTargetInfluences"];for(s in h)d.push(s);s=d;d=0;for(h=s.length;d=0&&i.enableVertexAttribArray(q.position);
+q.color>=0&&i.enableVertexAttribArray(q.color);q.normal>=0&&i.enableVertexAttribArray(q.normal);q.tangent>=0&&i.enableVertexAttribArray(q.tangent);if(a.skinning&&q.skinVertexA>=0&&q.skinVertexB>=0&&q.skinIndex>=0&&q.skinWeight>=0){i.enableVertexAttribArray(q.skinVertexA);i.enableVertexAttribArray(q.skinVertexB);i.enableVertexAttribArray(q.skinIndex);i.enableVertexAttribArray(q.skinWeight)}if(a.attributes)for(f in a.attributes)q[f]!==void 0&&q[f]>=0&&i.enableVertexAttribArray(q[f]);if(a.morphTargets){a.numSupportedMorphTargets=
+0;r="morphTarget";for(f=0;f=0){i.enableVertexAttribArray(q[s]);a.numSupportedMorphTargets++}}}if(a.morphNormals){a.numSupportedMorphNormals=0;r="morphNormal";for(f=0;f=0){i.enableVertexAttribArray(q[s]);a.numSupportedMorphNormals++}}}a.uniformsList=[];for(e in a.uniforms)a.uniformsList.push([a.uniforms[e],e])};this.setFaceCulling=function(a,b){if(a){!b||b==="ccw"?i.frontFace(i.CCW):i.frontFace(i.CW);a==="back"?i.cullFace(i.BACK):
+a==="front"?i.cullFace(i.FRONT):i.cullFace(i.FRONT_AND_BACK);i.enable(i.CULL_FACE)}else i.disable(i.CULL_FACE)};this.setObjectFaces=function(a){if(ia!==a.doubleSided){a.doubleSided?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE);ia=a.doubleSided}if(O!==a.flipSided){a.flipSided?i.frontFace(i.CW):i.frontFace(i.CCW);O=a.flipSided}};this.setDepthTest=function(a){if(Ma!==a){a?i.enable(i.DEPTH_TEST):i.disable(i.DEPTH_TEST);Ma=a}};this.setDepthWrite=function(a){if(Ka!==a){i.depthMask(a);Ka=a}};this.setBlending=
+function(a,b,c,d){if(a!==Q){switch(a){case THREE.NoBlending:i.disable(i.BLEND);break;case THREE.AdditiveBlending:i.enable(i.BLEND);i.blendEquation(i.FUNC_ADD);i.blendFunc(i.SRC_ALPHA,i.ONE);break;case THREE.SubtractiveBlending:i.enable(i.BLEND);i.blendEquation(i.FUNC_ADD);i.blendFunc(i.ZERO,i.ONE_MINUS_SRC_COLOR);break;case THREE.MultiplyBlending:i.enable(i.BLEND);i.blendEquation(i.FUNC_ADD);i.blendFunc(i.ZERO,i.SRC_COLOR);break;case THREE.CustomBlending:i.enable(i.BLEND);break;default:i.enable(i.BLEND);
+i.blendEquationSeparate(i.FUNC_ADD,i.FUNC_ADD);i.blendFuncSeparate(i.SRC_ALPHA,i.ONE_MINUS_SRC_ALPHA,i.ONE,i.ONE_MINUS_SRC_ALPHA)}Q=a}if(a===THREE.CustomBlending){if(b!==Z){i.blendEquation(H(b));Z=b}if(c!==$||d!==ha){i.blendFunc(H(c),H(d));$=c;ha=d}}else ha=$=Z=null};this.setTexture=function(a,b){if(a.needsUpdate){if(!a.__webglInit){a.__webglInit=true;a.__webglTexture=i.createTexture();G.info.memory.textures++}i.activeTexture(i.TEXTURE0+b);i.bindTexture(i.TEXTURE_2D,a.__webglTexture);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,
+a.premultiplyAlpha);var c=a.image,d=(c.width&c.width-1)===0&&(c.height&c.height-1)===0,e=H(a.format),f=H(a.type);y(i.TEXTURE_2D,a,d);a instanceof THREE.DataTexture?i.texImage2D(i.TEXTURE_2D,0,e,c.width,c.height,0,e,f,c.data):i.texImage2D(i.TEXTURE_2D,0,e,e,f,a.image);a.generateMipmaps&&d&&i.generateMipmap(i.TEXTURE_2D);a.needsUpdate=false;if(a.onUpdate)a.onUpdate()}else{i.activeTexture(i.TEXTURE0+b);i.bindTexture(i.TEXTURE_2D,a.__webglTexture)}};this.setRenderTarget=function(a){var b=a instanceof
+THREE.WebGLRenderTargetCube;if(a&&!a.__webglFramebuffer){if(a.depthBuffer===void 0)a.depthBuffer=true;if(a.stencilBuffer===void 0)a.stencilBuffer=true;a.__webglTexture=i.createTexture();var c=(a.width&a.width-1)===0&&(a.height&a.height-1)===0,d=H(a.format),e=H(a.type);if(b){a.__webglFramebuffer=[];a.__webglRenderbuffer=[];i.bindTexture(i.TEXTURE_CUBE_MAP,a.__webglTexture);y(i.TEXTURE_CUBE_MAP,a,c);for(var f=0;f<6;f++){a.__webglFramebuffer[f]=i.createFramebuffer();a.__webglRenderbuffer[f]=i.createRenderbuffer();
+i.texImage2D(i.TEXTURE_CUBE_MAP_POSITIVE_X+f,0,d,a.width,a.height,0,d,e,null);var g=a,h=i.TEXTURE_CUBE_MAP_POSITIVE_X+f;i.bindFramebuffer(i.FRAMEBUFFER,a.__webglFramebuffer[f]);i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,h,g.__webglTexture,0);s(a.__webglRenderbuffer[f],a)}c&&i.generateMipmap(i.TEXTURE_CUBE_MAP)}else{a.__webglFramebuffer=i.createFramebuffer();a.__webglRenderbuffer=i.createRenderbuffer();i.bindTexture(i.TEXTURE_2D,a.__webglTexture);y(i.TEXTURE_2D,a,c);i.texImage2D(i.TEXTURE_2D,
+0,d,a.width,a.height,0,d,e,null);d=i.TEXTURE_2D;i.bindFramebuffer(i.FRAMEBUFFER,a.__webglFramebuffer);i.framebufferTexture2D(i.FRAMEBUFFER,i.COLOR_ATTACHMENT0,d,a.__webglTexture,0);s(a.__webglRenderbuffer,a);c&&i.generateMipmap(i.TEXTURE_2D)}b?i.bindTexture(i.TEXTURE_CUBE_MAP,null):i.bindTexture(i.TEXTURE_2D,null);i.bindRenderbuffer(i.RENDERBUFFER,null);i.bindFramebuffer(i.FRAMEBUFFER,null)}if(a){b=b?a.__webglFramebuffer[a.activeCubeFace]:a.__webglFramebuffer;c=a.width;a=a.height;e=d=0}else{b=null;
+c=gb;a=Lb;d=Kb;e=lb}if(b!==C){i.bindFramebuffer(i.FRAMEBUFFER,b);i.viewport(d,e,c,a);C=b}hb=c;Cb=a};this.shadowMapPlugin=new THREE.ShadowMapPlugin;this.addPrePlugin(this.shadowMapPlugin);this.addPostPlugin(new THREE.SpritePlugin);this.addPostPlugin(new THREE.LensFlarePlugin)};
+THREE.WebGLRenderTarget=function(a,b,c){this.width=a;this.height=b;c=c||{};this.wrapS=c.wrapS!==void 0?c.wrapS:THREE.ClampToEdgeWrapping;this.wrapT=c.wrapT!==void 0?c.wrapT:THREE.ClampToEdgeWrapping;this.magFilter=c.magFilter!==void 0?c.magFilter:THREE.LinearFilter;this.minFilter=c.minFilter!==void 0?c.minFilter:THREE.LinearMipMapLinearFilter;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.format=c.format!==void 0?c.format:THREE.RGBAFormat;this.type=c.type!==void 0?c.type:
+THREE.UnsignedByteType;this.depthBuffer=c.depthBuffer!==void 0?c.depthBuffer:true;this.stencilBuffer=c.stencilBuffer!==void 0?c.stencilBuffer:true;this.generateMipmaps=true};
+THREE.WebGLRenderTarget.prototype.clone=function(){var a=new THREE.WebGLRenderTarget(this.width,this.height);a.wrapS=this.wrapS;a.wrapT=this.wrapT;a.magFilter=this.magFilter;a.minFilter=this.minFilter;a.offset.copy(this.offset);a.repeat.copy(this.repeat);a.format=this.format;a.type=this.type;a.depthBuffer=this.depthBuffer;a.stencilBuffer=this.stencilBuffer;return a};THREE.WebGLRenderTargetCube=function(a,b,c){THREE.WebGLRenderTarget.call(this,a,b,c);this.activeCubeFace=0};
+THREE.WebGLRenderTargetCube.prototype=new THREE.WebGLRenderTarget;THREE.WebGLRenderTargetCube.prototype.constructor=THREE.WebGLRenderTargetCube;THREE.RenderableVertex=function(){this.positionWorld=new THREE.Vector3;this.positionScreen=new THREE.Vector4;this.visible=true};THREE.RenderableVertex.prototype.copy=function(a){this.positionWorld.copy(a.positionWorld);this.positionScreen.copy(a.positionScreen)};
+THREE.RenderableFace3=function(){this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.centroidWorld=new THREE.Vector3;this.centroidScreen=new THREE.Vector3;this.normalWorld=new THREE.Vector3;this.vertexNormalsWorld=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.faceMaterial=this.material=null;this.uvs=[[]];this.z=null};
+THREE.RenderableFace4=function(){this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.v4=new THREE.RenderableVertex;this.centroidWorld=new THREE.Vector3;this.centroidScreen=new THREE.Vector3;this.normalWorld=new THREE.Vector3;this.vertexNormalsWorld=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.faceMaterial=this.material=null;this.uvs=[[]];this.z=null};THREE.RenderableObject=function(){this.z=this.object=null};
+THREE.RenderableParticle=function(){this.rotation=this.z=this.y=this.x=null;this.scale=new THREE.Vector2;this.material=null};THREE.RenderableLine=function(){this.z=null;this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.material=null};
+THREE.ColorUtils={adjustHSV:function(a,b,c,d){var e=THREE.ColorUtils.__hsv;THREE.ColorUtils.rgbToHsv(a,e);e.h=THREE.Math.clamp(e.h+b,0,1);e.s=THREE.Math.clamp(e.s+c,0,1);e.v=THREE.Math.clamp(e.v+d,0,1);a.setHSV(e.h,e.s,e.v)},rgbToHsv:function(a,b){var c=a.r,d=a.g,e=a.b,f=Math.max(Math.max(c,d),e),g=Math.min(Math.min(c,d),e);if(g===f)g=c=0;else{var h=f-g,g=h/f,c=(c===f?(d-e)/h:d===f?2+(e-c)/h:4+(c-d)/h)/6;c<0&&(c=c+1);c>1&&(c=c-1)}b===void 0&&(b={h:0,s:0,v:0});b.h=c;b.s=g;b.v=f;return b}};
+THREE.ColorUtils.__hsv={h:0,s:0,v:0};
+THREE.GeometryUtils={merge:function(a,b){for(var c,d,e=a.vertices.length,f=b instanceof THREE.Mesh?b.geometry:b,g=a.vertices,h=f.vertices,j=a.faces,l=f.faces,k=a.faceVertexUvs[0],p=f.faceVertexUvs[0],m={},o=0;o1){d=1-d;e=1-e}f=1-d-e;g.copy(a);g.multiplyScalar(d);h.copy(b);h.multiplyScalar(e);g.addSelf(h);h.copy(c);h.multiplyScalar(f);g.addSelf(h);return g},randomPointInFace:function(a,b,c){var d,e,f;if(a instanceof
+THREE.Face3){d=b.vertices[a.a];e=b.vertices[a.b];f=b.vertices[a.c];return THREE.GeometryUtils.randomPointInTriangle(d,e,f)}if(a instanceof THREE.Face4){d=b.vertices[a.a];e=b.vertices[a.b];f=b.vertices[a.c];var b=b.vertices[a.d],g;if(c)if(a._area1&&a._area2){c=a._area1;g=a._area2}else{c=THREE.GeometryUtils.triangleArea(d,e,b);g=THREE.GeometryUtils.triangleArea(e,f,b);a._area1=c;a._area2=g}else{c=THREE.GeometryUtils.triangleArea(d,e,b);g=THREE.GeometryUtils.triangleArea(e,f,b)}return THREE.GeometryUtils.random()*
+(c+g)a?b(c,e-1):l[e]
+b||q>b||m>b){j=a.vertices.length;y=e.clone();s=e.clone();if(o>=q&&o>=m){l=l.clone();l.lerpSelf(k,0.5);y.a=f;y.b=j;y.c=h;s.a=j;s.b=g;s.c=h;if(e.vertexNormals.length===3){f=e.vertexNormals[0].clone();f.lerpSelf(e.vertexNormals[1],0.5);y.vertexNormals[1].copy(f);s.vertexNormals[0].copy(f)}if(e.vertexColors.length===3){f=e.vertexColors[0].clone();f.lerpSelf(e.vertexColors[1],0.5);y.vertexColors[1].copy(f);s.vertexColors[0].copy(f)}e=0}else if(q>=o&&q>=m){l=k.clone();l.lerpSelf(p,0.5);y.a=f;y.b=g;y.c=
+j;s.a=j;s.b=h;s.c=f;if(e.vertexNormals.length===3){f=e.vertexNormals[1].clone();f.lerpSelf(e.vertexNormals[2],0.5);y.vertexNormals[2].copy(f);s.vertexNormals[0].copy(f);s.vertexNormals[1].copy(e.vertexNormals[2]);s.vertexNormals[2].copy(e.vertexNormals[0])}if(e.vertexColors.length===3){f=e.vertexColors[1].clone();f.lerpSelf(e.vertexColors[2],0.5);y.vertexColors[2].copy(f);s.vertexColors[0].copy(f);s.vertexColors[1].copy(e.vertexColors[2]);s.vertexColors[2].copy(e.vertexColors[0])}e=1}else{l=l.clone();
+l.lerpSelf(p,0.5);y.a=f;y.b=g;y.c=j;s.a=j;s.b=g;s.c=h;if(e.vertexNormals.length===3){f=e.vertexNormals[0].clone();f.lerpSelf(e.vertexNormals[2],0.5);y.vertexNormals[2].copy(f);s.vertexNormals[0].copy(f)}if(e.vertexColors.length===3){f=e.vertexColors[0].clone();f.lerpSelf(e.vertexColors[2],0.5);y.vertexColors[2].copy(f);s.vertexColors[0].copy(f)}e=2}w.push(y,s);a.vertices.push(l);f=0;for(g=a.faceVertexUvs.length;fb||q>b||n>b||r>b){u=a.vertices.length;t=a.vertices.length+1;y=e.clone();s=e.clone();if(o>=q&&o>=n&&o>=r||n>=q&&n>=o&&n>=r){o=l.clone();o.lerpSelf(k,0.5);k=p.clone();k.lerpSelf(m,0.5);y.a=f;y.b=u;y.c=t;y.d=j;s.a=u;s.b=g;s.c=h;s.d=t;if(e.vertexNormals.length===4){f=e.vertexNormals[0].clone();f.lerpSelf(e.vertexNormals[1],0.5);g=e.vertexNormals[2].clone();g.lerpSelf(e.vertexNormals[3],0.5);y.vertexNormals[1].copy(f);
+y.vertexNormals[2].copy(g);s.vertexNormals[0].copy(f);s.vertexNormals[3].copy(g)}if(e.vertexColors.length===4){f=e.vertexColors[0].clone();f.lerpSelf(e.vertexColors[1],0.5);g=e.vertexColors[2].clone();g.lerpSelf(e.vertexColors[3],0.5);y.vertexColors[1].copy(f);y.vertexColors[2].copy(g);s.vertexColors[0].copy(f);s.vertexColors[3].copy(g)}e=0}else{o=k.clone();o.lerpSelf(p,0.5);k=m.clone();k.lerpSelf(l,0.5);y.a=f;y.b=g;y.c=u;y.d=t;s.a=t;s.b=u;s.c=h;s.d=j;if(e.vertexNormals.length===4){f=e.vertexNormals[1].clone();
+f.lerpSelf(e.vertexNormals[2],0.5);g=e.vertexNormals[3].clone();g.lerpSelf(e.vertexNormals[0],0.5);y.vertexNormals[2].copy(f);y.vertexNormals[3].copy(g);s.vertexNormals[0].copy(g);s.vertexNormals[1].copy(f)}if(e.vertexColors.length===4){f=e.vertexColors[1].clone();f.lerpSelf(e.vertexColors[2],0.5);g=e.vertexColors[3].clone();g.lerpSelf(e.vertexColors[0],0.5);y.vertexColors[2].copy(f);y.vertexColors[3].copy(g);s.vertexColors[0].copy(g);s.vertexColors[1].copy(f)}e=1}w.push(y,s);a.vertices.push(o,k);
+f=0;for(g=a.faceVertexUvs.length;fe-1?e-1:p+1,q=k-1<0?0:k-1,n=k+1>d-1?d-1:k+1,r=[],u=[0,0,h[(p*d+k)*4]/255*b];r.push([-1,0,h[(p*d+q)*4]/255*b]);r.push([-1,-1,h[(m*d+q)*4]/255*b]);r.push([0,
+-1,h[(m*d+k)*4]/255*b]);r.push([1,-1,h[(m*d+n)*4]/255*b]);r.push([1,0,h[(p*d+n)*4]/255*b]);r.push([1,1,h[(o*d+n)*4]/255*b]);r.push([0,1,h[(o*d+k)*4]/255*b]);r.push([-1,1,h[(o*d+q)*4]/255*b]);m=[];q=r.length;for(o=0;o 0\nuniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];\nuniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];\n#endif\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\n#ifdef WRAP_AROUND\nuniform vec3 wrapRGB;\n#endif\nvarying vec3 vViewPosition;",
+THREE.ShaderChunk.shadowmap_pars_fragment,THREE.ShaderChunk.fog_pars_fragment,"void main() {\ngl_FragColor = vec4( vec3( 1.0 ), uOpacity );\nvec3 specularTex = vec3( 1.0 );\nvec3 normalTex = texture2D( tNormal, vUv ).xyz * 2.0 - 1.0;\nnormalTex.xy *= uNormalScale;\nnormalTex = normalize( normalTex );\nif( enableDiffuse ) {\n#ifdef GAMMA_INPUT\nvec4 texelColor = texture2D( tDiffuse, vUv );\ntexelColor.xyz *= texelColor.xyz;\ngl_FragColor = gl_FragColor * texelColor;\n#else\ngl_FragColor = gl_FragColor * texture2D( tDiffuse, vUv );\n#endif\n}\nif( enableAO ) {\n#ifdef GAMMA_INPUT\nvec4 aoColor = texture2D( tAO, vUv );\naoColor.xyz *= aoColor.xyz;\ngl_FragColor.xyz = gl_FragColor.xyz * aoColor.xyz;\n#else\ngl_FragColor.xyz = gl_FragColor.xyz * texture2D( tAO, vUv ).xyz;\n#endif\n}\nif( enableSpecular )\nspecularTex = texture2D( tSpecular, vUv ).xyz;\nmat3 tsb = mat3( normalize( vTangent ), normalize( vBinormal ), normalize( vNormal ) );\nvec3 finalNormal = tsb * normalTex;\nvec3 normal = normalize( finalNormal );\nvec3 viewPosition = normalize( vViewPosition );\n#if MAX_POINT_LIGHTS > 0\nvec3 pointDiffuse = vec3( 0.0 );\nvec3 pointSpecular = vec3( 0.0 );\nfor ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\nvec3 pointVector = normalize( vPointLight[ i ].xyz );\nfloat pointDistance = vPointLight[ i ].w;\n#ifdef WRAP_AROUND\nfloat pointDiffuseWeightFull = max( dot( normal, pointVector ), 0.0 );\nfloat pointDiffuseWeightHalf = max( 0.5 * dot( normal, pointVector ) + 0.5, 0.0 );\nvec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );\n#else\nfloat pointDiffuseWeight = max( dot( normal, pointVector ), 0.0 );\n#endif\npointDiffuse += pointDistance * pointLightColor[ i ] * uDiffuseColor * pointDiffuseWeight;\nvec3 pointHalfVector = normalize( pointVector + viewPosition );\nfloat pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );\nfloat pointSpecularWeight = specularTex.r * max( pow( pointDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( pointVector, pointHalfVector ), 5.0 );\npointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * pointDistance * specularNormalization;\n#else\npointSpecular += pointDistance * pointLightColor[ i ] * uSpecularColor * pointSpecularWeight * pointDiffuseWeight;\n#endif\n}\n#endif\n#if MAX_DIR_LIGHTS > 0\nvec3 dirDiffuse = vec3( 0.0 );\nvec3 dirSpecular = vec3( 0.0 );\nfor( int i = 0; i < MAX_DIR_LIGHTS; i++ ) {\nvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\nvec3 dirVector = normalize( lDirection.xyz );\n#ifdef WRAP_AROUND\nfloat directionalLightWeightingFull = max( dot( normal, dirVector ), 0.0 );\nfloat directionalLightWeightingHalf = max( 0.5 * dot( normal, dirVector ) + 0.5, 0.0 );\nvec3 dirDiffuseWeight = mix( vec3( directionalLightWeightingFull ), vec3( directionalLightWeightingHalf ), wrapRGB );\n#else\nfloat dirDiffuseWeight = max( dot( normal, dirVector ), 0.0 );\n#endif\ndirDiffuse += directionalLightColor[ i ] * uDiffuseColor * dirDiffuseWeight;\nvec3 dirHalfVector = normalize( dirVector + viewPosition );\nfloat dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );\nfloat dirSpecularWeight = specularTex.r * max( pow( dirDotNormalHalf, uShininess ), 0.0 );\n#ifdef PHYSICALLY_BASED_SHADING\nfloat specularNormalization = ( uShininess + 2.0001 ) / 8.0;\nvec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );\ndirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;\n#else\ndirSpecular += directionalLightColor[ i ] * uSpecularColor * dirSpecularWeight * dirDiffuseWeight;\n#endif\n}\n#endif\nvec3 totalDiffuse = vec3( 0.0 );\nvec3 totalSpecular = vec3( 0.0 );\n#if MAX_DIR_LIGHTS > 0\ntotalDiffuse += dirDiffuse;\ntotalSpecular += dirSpecular;\n#endif\n#if MAX_POINT_LIGHTS > 0\ntotalDiffuse += pointDiffuse;\ntotalSpecular += pointSpecular;\n#endif\ngl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * uAmbientColor) + totalSpecular;\nif ( enableReflection ) {\nvec3 wPos = cameraPosition - vViewPosition;\nvec3 vReflect = reflect( normalize( wPos ), normal );\nvec4 cubeColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );\n#ifdef GAMMA_INPUT\ncubeColor.xyz *= cubeColor.xyz;\n#endif\ngl_FragColor.xyz = mix( gl_FragColor.xyz, cubeColor.xyz, specularTex.r * uReflectivity );\n}",
+THREE.ShaderChunk.shadowmap_fragment,THREE.ShaderChunk.linear_to_gamma_fragment,THREE.ShaderChunk.fog_fragment,"}"].join("\n"),vertexShader:["attribute vec4 tangent;\nuniform vec2 uOffset;\nuniform vec2 uRepeat;\n#ifdef VERTEX_TEXTURES\nuniform sampler2D tDisplacement;\nuniform float uDisplacementScale;\nuniform float uDisplacementBias;\n#endif\nvarying vec3 vTangent;\nvarying vec3 vBinormal;\nvarying vec3 vNormal;\nvarying vec2 vUv;\n#if MAX_POINT_LIGHTS > 0\nuniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];\nuniform float pointLightDistance[ MAX_POINT_LIGHTS ];\nvarying vec4 vPointLight[ MAX_POINT_LIGHTS ];\n#endif\nvarying vec3 vViewPosition;",
+THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {\nvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\nvViewPosition = -mvPosition.xyz;\nvNormal = normalMatrix * normal;\nvTangent = normalMatrix * tangent.xyz;\nvBinormal = cross( vNormal, vTangent ) * tangent.w;\nvUv = uv * uRepeat + uOffset;\n#if MAX_POINT_LIGHTS > 0\nfor( int i = 0; i < MAX_POINT_LIGHTS; i++ ) {\nvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\nvec3 lVector = lPosition.xyz - mvPosition.xyz;\nfloat lDistance = 1.0;\nif ( pointLightDistance[ i ] > 0.0 )\nlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\nlVector = normalize( lVector );\nvPointLight[ i ] = vec4( lVector, lDistance );\n}\n#endif\n#ifdef VERTEX_TEXTURES\nvec3 dv = texture2D( tDisplacement, uv ).xyz;\nfloat df = uDisplacementScale * dv.x + uDisplacementBias;\nvec4 displacedPosition = vec4( normalize( vNormal.xyz ) * df, 0.0 ) + mvPosition;\ngl_Position = projectionMatrix * displacedPosition;\n#else\ngl_Position = projectionMatrix * mvPosition;\n#endif",
+THREE.ShaderChunk.shadowmap_vertex,"}"].join("\n")},cube:{uniforms:{tCube:{type:"t",value:1,texture:null},tFlip:{type:"f",value:-1}},vertexShader:"varying vec3 vViewPosition;\nvoid main() {\nvec4 mPosition = objectMatrix * vec4( position, 1.0 );\nvViewPosition = cameraPosition - mPosition.xyz;\ngl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"uniform samplerCube tCube;\nuniform float tFlip;\nvarying vec3 vViewPosition;\nvoid main() {\nvec3 wPos = cameraPosition - vViewPosition;\ngl_FragColor = textureCube( tCube, vec3( tFlip * wPos.x, wPos.yz ) );\n}"}}});
+THREE.BufferGeometry=function(){this.id=THREE.GeometryCount++;this.vertexColorArray=this.vertexUvArray=this.vertexNormalArray=this.vertexPositionArray=this.vertexIndexArray=this.vertexColorBuffer=this.vertexUvBuffer=this.vertexNormalBuffer=this.vertexPositionBuffer=this.vertexIndexBuffer=null;this.dynamic=false;this.boundingSphere=this.boundingBox=null;this.morphTargets=[]};THREE.BufferGeometry.prototype={constructor:THREE.BufferGeometry,computeBoundingBox:function(){},computeBoundingSphere:function(){}};
+THREE.Curve=function(){};THREE.Curve.prototype.getPoint=function(){console.log("Warning, getPoint() not implemented!");return null};THREE.Curve.prototype.getPointAt=function(a){return this.getPoint(this.getUtoTmapping(a))};THREE.Curve.prototype.getPoints=function(a){a||(a=5);var b,c=[];for(b=0;b<=a;b++)c.push(this.getPoint(b/a));return c};THREE.Curve.prototype.getSpacedPoints=function(a){a||(a=5);var b,c=[];for(b=0;b<=a;b++)c.push(this.getPointAt(b/a));return c};
+THREE.Curve.prototype.getLength=function(){var a=this.getLengths();return a[a.length-1]};THREE.Curve.prototype.getLengths=function(a){a||(a=this.__arcLengthDivisions?this.__arcLengthDivisions:200);if(this.cacheArcLengths&&this.cacheArcLengths.length==a+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=false;var b=[],c,d=this.getPoint(0),e,f=0;b.push(0);for(e=1;e<=a;e++){c=this.getPoint(e/a);f=f+c.distanceTo(d);b.push(f);d=c}return this.cacheArcLengths=b};
+THREE.Curve.prototype.updateArcLengths=function(){this.needsUpdate=true;this.getLengths()};THREE.Curve.prototype.getUtoTmapping=function(a,b){var c=this.getLengths(),d=0,e=c.length,f;f=b?b:a*c[e-1];for(var g=0,h=e-1,j;g<=h;){d=Math.floor(g+(h-g)/2);j=c[d]-f;if(j<0)g=d+1;else if(j>0)h=d-1;else{h=d;break}}d=h;if(c[d]==f)return d/(e-1);g=c[d];return c=(d+(f-g)/(c[d+1]-g))/(e-1)};THREE.Curve.prototype.getNormalVector=function(a){a=this.getTangent(a);return new THREE.Vector2(-a.y,a.x)};
+THREE.Curve.prototype.getTangent=function(a){var b=a-1.0E-4,a=a+1.0E-4;b<0&&(b=0);a>1&&(a=1);b=this.getPoint(b);return this.getPoint(a).clone().subSelf(b).normalize()};THREE.Curve.prototype.getTangentAt=function(a){return this.getTangent(this.getUtoTmapping(a))};THREE.LineCurve=function(a,b){this.v1=a;this.v2=b};THREE.LineCurve.prototype=new THREE.Curve;THREE.LineCurve.prototype.constructor=THREE.LineCurve;
+THREE.LineCurve.prototype.getPoint=function(a){var b=this.v2.clone().subSelf(this.v1);b.multiplyScalar(a).addSelf(this.v1);return b};THREE.LineCurve.prototype.getPointAt=function(a){return this.getPoint(a)};THREE.LineCurve.prototype.getTangent=function(){return this.v2.clone().subSelf(this.v1).normalize()};THREE.QuadraticBezierCurve=function(a,b,c){this.v0=a;this.v1=b;this.v2=c};THREE.QuadraticBezierCurve.prototype=new THREE.Curve;THREE.QuadraticBezierCurve.prototype.constructor=THREE.QuadraticBezierCurve;
+THREE.QuadraticBezierCurve.prototype.getPoint=function(a){var b;b=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);return new THREE.Vector2(b,a)};THREE.QuadraticBezierCurve.prototype.getTangent=function(a){var b;b=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.y,this.v1.y,this.v2.y);b=new THREE.Vector2(b,a);b.normalize();return b};
+THREE.CubicBezierCurve=function(a,b,c,d){this.v0=a;this.v1=b;this.v2=c;this.v3=d};THREE.CubicBezierCurve.prototype=new THREE.Curve;THREE.CubicBezierCurve.prototype.constructor=THREE.CubicBezierCurve;THREE.CubicBezierCurve.prototype.getPoint=function(a){var b;b=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);return new THREE.Vector2(b,a)};
+THREE.CubicBezierCurve.prototype.getTangent=function(a){var b;b=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);b=new THREE.Vector2(b,a);b.normalize();return b};THREE.SplineCurve=function(a){this.points=a==void 0?[]:a};THREE.SplineCurve.prototype=new THREE.Curve;THREE.SplineCurve.prototype.constructor=THREE.SplineCurve;
+THREE.SplineCurve.prototype.getPoint=function(a){var b=new THREE.Vector2,c=[],d=this.points,e;e=(d.length-1)*a;a=Math.floor(e);e=e-a;c[0]=a==0?a:a-1;c[1]=a;c[2]=a>d.length-2?d.length-1:a+1;c[3]=a>d.length-3?d.length-1:a+2;b.x=THREE.Curve.Utils.interpolate(d[c[0]].x,d[c[1]].x,d[c[2]].x,d[c[3]].x,e);b.y=THREE.Curve.Utils.interpolate(d[c[0]].y,d[c[1]].y,d[c[2]].y,d[c[3]].y,e);return b};
+THREE.ArcCurve=function(a,b,c,d,e,f){this.aX=a;this.aY=b;this.aRadius=c;this.aStartAngle=d;this.aEndAngle=e;this.aClockwise=f};THREE.ArcCurve.prototype=new THREE.Curve;THREE.ArcCurve.prototype.constructor=THREE.ArcCurve;THREE.ArcCurve.prototype.getPoint=function(a){var b=this.aEndAngle-this.aStartAngle;this.aClockwise||(a=1-a);b=this.aStartAngle+a*b;a=this.aX+this.aRadius*Math.cos(b);b=this.aY+this.aRadius*Math.sin(b);return new THREE.Vector2(a,b)};
+THREE.Curve.Utils={tangentQuadraticBezier:function(a,b,c,d){return 2*(1-a)*(c-b)+2*a*(d-c)},tangentCubicBezier:function(a,b,c,d,e){return-3*b*(1-a)*(1-a)+3*c*(1-a)*(1-a)-6*a*c*(1-a)+6*a*d*(1-a)-3*a*a*d+3*a*a*e},tangentSpline:function(a){return 6*a*a-6*a+(3*a*a-4*a+1)+(-6*a*a+6*a)+(3*a*a-2*a)},interpolate:function(a,b,c,d,e){var a=(c-a)*0.5,d=(d-b)*0.5,f=e*e;return(2*b-2*c+a+d)*e*f+(-3*b+3*c-2*a-d)*f+a*e+b}};
+THREE.Curve.create=function(a,b){a.prototype=new THREE.Curve;a.prototype.constructor=a;a.prototype.getPoint=b;return a};THREE.LineCurve3=THREE.Curve.create(function(a,b){this.v1=a;this.v2=b},function(a){var b=new THREE.Vector3;b.sub(this.v2,this.v1);b.multiplyScalar(a);b.addSelf(this.v1);return b});
+THREE.QuadraticBezierCurve3=THREE.Curve.create(function(a,b,c){this.v0=a;this.v1=b;this.v2=c},function(a){var b,c;b=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);c=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);a=THREE.Shape.Utils.b2(a,this.v0.z,this.v1.z,this.v2.z);return new THREE.Vector3(b,c,a)});
+THREE.CubicBezierCurve3=THREE.Curve.create(function(a,b,c,d){this.v0=a;this.v1=b;this.v2=c;this.v3=d},function(a){var b,c;b=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);c=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);a=THREE.Shape.Utils.b3(a,this.v0.z,this.v1.z,this.v2.z,this.v3.z);return new THREE.Vector3(b,c,a)});
+THREE.SplineCurve3=THREE.Curve.create(function(a){this.points=a==void 0?[]:a},function(a){var b=new THREE.Vector3,c=[],d=this.points,e,a=(d.length-1)*a;e=Math.floor(a);a=a-e;c[0]=e==0?e:e-1;c[1]=e;c[2]=e>d.length-2?d.length-1:e+1;c[3]=e>d.length-3?d.length-1:e+2;e=d[c[0]];var f=d[c[1]],g=d[c[2]],c=d[c[3]];b.x=THREE.Curve.Utils.interpolate(e.x,f.x,g.x,c.x,a);b.y=THREE.Curve.Utils.interpolate(e.y,f.y,g.y,c.y,a);b.z=THREE.Curve.Utils.interpolate(e.z,f.z,g.z,c.z,a);return b});
+THREE.ClosedSplineCurve3=THREE.Curve.create(function(a){this.points=a==void 0?[]:a},function(a){var b=new THREE.Vector3,c=[],d=this.points,e;e=(d.length-0)*a;a=Math.floor(e);e=e-a;a=a+(a>0?0:(Math.floor(Math.abs(a)/d.length)+1)*d.length);c[0]=(a-1)%d.length;c[1]=a%d.length;c[2]=(a+1)%d.length;c[3]=(a+2)%d.length;b.x=THREE.Curve.Utils.interpolate(d[c[0]].x,d[c[1]].x,d[c[2]].x,d[c[3]].x,e);b.y=THREE.Curve.Utils.interpolate(d[c[0]].y,d[c[1]].y,d[c[2]].y,d[c[3]].y,e);b.z=THREE.Curve.Utils.interpolate(d[c[0]].z,
+d[c[1]].z,d[c[2]].z,d[c[3]].z,e);return b});THREE.CurvePath=function(){this.curves=[];this.bends=[];this.autoClose=false};THREE.CurvePath.prototype=new THREE.Curve;THREE.CurvePath.prototype.constructor=THREE.CurvePath;THREE.CurvePath.prototype.add=function(a){this.curves.push(a)};THREE.CurvePath.prototype.checkConnection=function(){};
+THREE.CurvePath.prototype.closePath=function(){var a=this.curves[0].getPoint(0),b=this.curves[this.curves.length-1].getPoint(1);a.equals(b)||this.curves.push(new THREE.LineCurve(b,a))};THREE.CurvePath.prototype.getPoint=function(a){for(var b=a*this.getLength(),c=this.getCurveLengths(),a=0;a=b){b=c[a]-b;a=this.curves[a];b=1-b/a.getLength();return a.getPointAt(b)}a++}return null};THREE.CurvePath.prototype.getLength=function(){var a=this.getCurveLengths();return a[a.length-1]};
+THREE.CurvePath.prototype.getCurveLengths=function(){if(this.cacheLengths&&this.cacheLengths.length==this.curves.length)return this.cacheLengths;var a=[],b=0,c,d=this.curves.length;for(c=0;cb)b=f.x;else if(f.xc)c=f.y;else if(f.y0){g=c[c.length-1];
+o=g.x;q=g.y}else{g=this.actions[d-1].args;o=g[g.length-2];q=g[g.length-1]}for(f=1;f<=a;f++){n=f/a;g=THREE.Shape.Utils.b2(n,o,p,h);n=THREE.Shape.Utils.b2(n,q,m,j);c.push(new THREE.Vector2(g,n))}break;case THREE.PathActions.BEZIER_CURVE_TO:h=f[4];j=f[5];p=f[0];m=f[1];l=f[2];k=f[3];if(c.length>0){g=c[c.length-1];o=g.x;q=g.y}else{g=this.actions[d-1].args;o=g[g.length-2];q=g[g.length-1]}for(f=1;f<=a;f++){n=f/a;g=THREE.Shape.Utils.b3(n,o,p,l,h);n=THREE.Shape.Utils.b3(n,q,m,k,j);c.push(new THREE.Vector2(g,
+n))}break;case THREE.PathActions.CSPLINE_THRU:g=this.actions[d-1].args;n=[new THREE.Vector2(g[g.length-2],g[g.length-1])];g=a*f[0].length;n=n.concat(f[0]);n=new THREE.SplineCurve(n);for(f=1;f<=g;f++)c.push(n.getPointAt(f/g));break;case THREE.PathActions.ARC:h=f[0];j=f[1];l=f[2];p=f[3];m=!!f[5];k=f[4]-p;o=a*2;for(f=1;f<=o;f++){n=f/o;m||(n=1-n);n=p+n*k;g=h+l*Math.cos(n);n=j+l*Math.sin(n);c.push(new THREE.Vector2(g,n))}}}d=c[c.length-1];Math.abs(d.x-c[0].x)<1.0E-10&&Math.abs(d.y-c[0].y)<1.0E-10&&c.splice(c.length-
+1,1);b&&c.push(c[0]);return c};THREE.Path.prototype.transform=function(a,b){this.getBoundingBox();return this.getWrapPoints(this.getPoints(b),a)};THREE.Path.prototype.nltransform=function(a,b,c,d,e,f){var g=this.getPoints(),h,j,l,k,p;h=0;for(j=g.length;h=0?h-1:c.length-1;f=g-1>=0?g-1:l.length-1;var n=[l[g],c[h],c[e]];p=THREE.FontUtils.Triangulate.area(n);var r=[l[g],l[f],c[h]];m=THREE.FontUtils.Triangulate.area(r);o=h;k=g;h=h+1;g=g+
+-1;h<0&&(h=h+c.length);h=h%c.length;g<0&&(g=g+l.length);g=g%l.length;e=h-1>=0?h-1:c.length-1;f=g-1>=0?g-1:l.length-1;n=[l[g],c[h],c[e]];n=THREE.FontUtils.Triangulate.area(n);r=[l[g],l[f],c[h]];r=THREE.FontUtils.Triangulate.area(r);if(p+m>n+r){h=o;g=k;h<0&&(h=h+c.length);h=h%c.length;g<0&&(g=g+l.length);g=g%l.length;e=h-1>=0?h-1:c.length-1;f=g-1>=0?g-1:l.length-1}p=c.slice(0,h);m=c.slice(h);o=l.slice(g);k=l.slice(0,g);f=[l[g],l[f],c[h]];q.push([l[g],c[h],c[e]]);q.push(f);c=p.concat(o).concat(k).concat(m)}return{shape:c,
+isolatedPts:q,allpoints:d}},triangulateShape:function(a,b){var c=THREE.Shape.Utils.removeHoles(a,b),d=c.allpoints,e=c.isolatedPts,c=THREE.FontUtils.Triangulate(c.shape,false),f,g,h,j,l={};f=0;for(g=d.length;f1){console.log("THREE.Animation.update: Warning! Scale out of bounds:"+d+" on bone "+o);d=d<0?0:1}if(c==="pos"){c=a.position;if(this.interpolationType===THREE.AnimationHandler.LINEAR){c.x=e[0]+(f[0]-e[0])*d;c.y=e[1]+(f[1]-e[1])*d;c.z=e[2]+(f[2]-e[2])*d}else if(this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===
+THREE.AnimationHandler.CATMULLROM_FORWARD){this.points[0]=this.getPrevKeyWith("pos",o,g.index-1).pos;this.points[1]=e;this.points[2]=f;this.points[3]=this.getNextKeyWith("pos",o,h.index+1).pos;d=d*0.33+0.33;e=this.interpolateCatmullRom(this.points,d);c.x=e[0];c.y=e[1];c.z=e[2];if(this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD){d=this.interpolateCatmullRom(this.points,d*1.01);this.target.set(d[0],d[1],d[2]);this.target.subSelf(c);this.target.y=0;this.target.normalize();d=Math.atan2(this.target.x,
+this.target.z);a.rotation.set(0,d,0)}}}else if(c==="rot")THREE.Quaternion.slerp(e,f,a.quaternion,d);else if(c==="scl"){c=a.scale;c.x=e[0]+(f[0]-e[0])*d;c.y=e[1]+(f[1]-e[1])*d;c.z=e[2]+(f[2]-e[2])*d}}}}if(this.JITCompile&&k[0][l]===void 0){this.hierarchy[0].updateMatrixWorld(true);for(o=0;oa.length-2?f:f+1;c[3]=f>a.length-3?f:f+2;f=a[c[0]];h=a[c[1]];j=a[c[2]];l=a[c[3]];c=e*e;g=e*c;d[0]=this.interpolate(f[0],h[0],j[0],l[0],e,c,g);d[1]=this.interpolate(f[1],h[1],j[1],l[1],e,c,g);d[2]=this.interpolate(f[2],h[2],j[2],l[2],e,c,g);return d};
+THREE.Animation.prototype.interpolate=function(a,b,c,d,e,f,g){a=(c-a)*0.5;d=(d-b)*0.5;return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*f+a*e+b};THREE.Animation.prototype.getNextKeyWith=function(a,b,c){for(var d=this.data.hierarchy[b].keys,c=this.interpolationType===THREE.AnimationHandler.CATMULLROM||this.interpolationType===THREE.AnimationHandler.CATMULLROM_FORWARD?c0?c:0:c>=0?c:c+d.length;c>=0;c--)if(d[c][a]!==void 0)return d[c];return this.data.hierarchy[b].keys[d.length-1]};
+THREE.KeyFrameAnimation=function(a,b,c){this.root=a;this.data=THREE.AnimationHandler.get(b);this.hierarchy=THREE.AnimationHandler.parse(a);this.currentTime=0;this.timeScale=0.001;this.isPlaying=false;this.loop=this.isPaused=true;this.JITCompile=c!==void 0?c:true;a=0;for(b=this.hierarchy.length;a=g?b.interpolate(c,g):b.interpolate(c,c.time)}this.data.hierarchy[a].node.updateMatrix();d.matrixWorldNeedsUpdate=true}}if(this.JITCompile&&f[0][e]===void 0){this.hierarchy[0].updateMatrixWorld(true);
+for(a=0;a=0?c:c+b.length;c>=0;c--)if(b[c].hasTarget(a))return b[c];return b[b.length-1]};
+THREE.CubeCamera=function(a,b,c){THREE.Object3D.call(this);var d=new THREE.PerspectiveCamera(90,1,a,b);d.up.set(0,-1,0);d.lookAt(new THREE.Vector3(1,0,0));this.add(d);var e=new THREE.PerspectiveCamera(90,1,a,b);e.up.set(0,-1,0);e.lookAt(new THREE.Vector3(-1,0,0));this.add(e);var f=new THREE.PerspectiveCamera(90,1,a,b);f.up.set(0,0,1);f.lookAt(new THREE.Vector3(0,1,0));this.add(f);var g=new THREE.PerspectiveCamera(90,1,a,b);g.up.set(0,0,-1);g.lookAt(new THREE.Vector3(0,-1,0));this.add(g);var h=new THREE.PerspectiveCamera(90,
+1,a,b);h.up.set(0,-1,0);h.lookAt(new THREE.Vector3(0,0,1));this.add(h);var j=new THREE.PerspectiveCamera(90,1,a,b);j.up.set(0,-1,0);j.lookAt(new THREE.Vector3(0,0,-1));this.add(j);this.renderTarget=new THREE.WebGLRenderTargetCube(c,c,{format:THREE.RGBFormat,magFilter:THREE.LinearFilter,minFilter:THREE.LinearFilter});this.updateCubeMap=function(a,b){var c=this.renderTarget,m=c.generateMipmaps;c.generateMipmaps=false;c.activeCubeFace=0;a.render(b,d,c);c.activeCubeFace=1;a.render(b,e,c);c.activeCubeFace=
+2;a.render(b,f,c);c.activeCubeFace=3;a.render(b,g,c);c.activeCubeFace=4;a.render(b,h,c);c.generateMipmaps=m;c.activeCubeFace=5;a.render(b,j,c)}};THREE.CubeCamera.prototype=new THREE.Object3D;THREE.CubeCamera.prototype.constructor=THREE.CubeCamera;
+THREE.CombinedCamera=function(a,b,c,d,e,f,g){THREE.Camera.call(this);this.fov=c;this.left=-a/2;this.right=a/2;this.top=b/2;this.bottom=-b/2;this.cameraO=new THREE.OrthographicCamera(a/-2,a/2,b/2,b/-2,f,g);this.cameraP=new THREE.PerspectiveCamera(c,a/b,d,e);this.zoom=1;this.toPerspective()};THREE.CombinedCamera.prototype=new THREE.Camera;THREE.CombinedCamera.prototype.constructor=THREE.CombinedCamera;
+THREE.CombinedCamera.prototype.toPerspective=function(){this.near=this.cameraP.near;this.far=this.cameraP.far;this.cameraP.fov=this.fov/this.zoom;this.cameraP.updateProjectionMatrix();this.projectionMatrix=this.cameraP.projectionMatrix;this.inPersepectiveMode=true;this.inOrthographicMode=false};
+THREE.CombinedCamera.prototype.toOrthographic=function(){var a=this.cameraP.aspect,b=(this.cameraP.near+this.cameraP.far)/2,b=Math.tan(this.fov/2)*b,a=2*b*a/2,b=b/this.zoom,a=a/this.zoom;this.cameraO.left=-a;this.cameraO.right=a;this.cameraO.top=b;this.cameraO.bottom=-b;this.cameraO.updateProjectionMatrix();this.near=this.cameraO.near;this.far=this.cameraO.far;this.projectionMatrix=this.cameraO.projectionMatrix;this.inPersepectiveMode=false;this.inOrthographicMode=true};
+THREE.CombinedCamera.prototype.setSize=function(a,b){this.cameraP.aspect=a/b;this.left=-a/2;this.right=a/2;this.top=b/2;this.bottom=-b/2};THREE.CombinedCamera.prototype.setFov=function(a){this.fov=a;this.inPersepectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.updateProjectionMatrix=function(){if(this.inPersepectiveMode)this.toPerspective();else{this.toPerspective();this.toOrthographic()}};
+THREE.CombinedCamera.prototype.setLens=function(a,b){var c=2*Math.atan((b!==void 0?b:24)/(a*2))*(180/Math.PI);this.setFov(c);return c};THREE.CombinedCamera.prototype.setZoom=function(a){this.zoom=a;this.inPersepectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.toFrontView=function(){this.rotation.x=0;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=false};
+THREE.CombinedCamera.prototype.toBackView=function(){this.rotation.x=0;this.rotation.y=Math.PI;this.rotation.z=0;this.rotationAutoUpdate=false};THREE.CombinedCamera.prototype.toLeftView=function(){this.rotation.x=0;this.rotation.y=-Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=false};THREE.CombinedCamera.prototype.toRightView=function(){this.rotation.x=0;this.rotation.y=Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=false};
+THREE.CombinedCamera.prototype.toTopView=function(){this.rotation.x=-Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=false};THREE.CombinedCamera.prototype.toBottomView=function(){this.rotation.x=Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=false};
+THREE.FirstPersonControls=function(a,b){function c(a,b){return function(){b.apply(a,arguments)}}this.object=a;this.target=new THREE.Vector3(0,0,0);this.domElement=b!==void 0?b:document;this.movementSpeed=1;this.lookSpeed=0.005;this.noFly=false;this.lookVertical=true;this.autoForward=false;this.activeLook=true;this.heightSpeed=false;this.heightCoef=1;this.heightMin=0;this.constrainVertical=false;this.verticalMin=0;this.verticalMax=Math.PI;this.theta=this.phi=this.lon=this.lat=this.mouseY=this.mouseX=
+this.autoSpeedFactor=0;this.mouseDragOn=this.freeze=this.moveRight=this.moveLeft=this.moveBackward=this.moveForward=false;if(this.domElement===document){this.viewHalfX=window.innerWidth/2;this.viewHalfY=window.innerHeight/2}else{this.viewHalfX=this.domElement.offsetWidth/2;this.viewHalfY=this.domElement.offsetHeight/2;this.domElement.setAttribute("tabindex",-1)}this.onMouseDown=function(a){this.domElement!==document&&this.domElement.focus();a.preventDefault();a.stopPropagation();if(this.activeLook)switch(a.button){case 0:this.moveForward=
+true;break;case 2:this.moveBackward=true}this.mouseDragOn=true};this.onMouseUp=function(a){a.preventDefault();a.stopPropagation();if(this.activeLook)switch(a.button){case 0:this.moveForward=false;break;case 2:this.moveBackward=false}this.mouseDragOn=false};this.onMouseMove=function(a){if(this.domElement===document){this.mouseX=a.pageX-this.viewHalfX;this.mouseY=a.pageY-this.viewHalfY}else{this.mouseX=a.pageX-this.domElement.offsetLeft-this.viewHalfX;this.mouseY=a.pageY-this.domElement.offsetTop-this.viewHalfY}};
+this.onKeyDown=function(a){switch(a.keyCode){case 38:case 87:this.moveForward=true;break;case 37:case 65:this.moveLeft=true;break;case 40:case 83:this.moveBackward=true;break;case 39:case 68:this.moveRight=true;break;case 82:this.moveUp=true;break;case 70:this.moveDown=true;break;case 81:this.freeze=!this.freeze}};this.onKeyUp=function(a){switch(a.keyCode){case 38:case 87:this.moveForward=false;break;case 37:case 65:this.moveLeft=false;break;case 40:case 83:this.moveBackward=false;break;case 39:case 68:this.moveRight=
+false;break;case 82:this.moveUp=false;break;case 70:this.moveDown=false}};this.update=function(a){var b=0;if(!this.freeze){if(this.heightSpeed){b=THREE.Math.clamp(this.object.position.y,this.heightMin,this.heightMax)-this.heightMin;this.autoSpeedFactor=a*b*this.heightCoef}else this.autoSpeedFactor=0;b=a*this.movementSpeed;(this.moveForward||this.autoForward&&!this.moveBackward)&&this.object.translateZ(-(b+this.autoSpeedFactor));this.moveBackward&&this.object.translateZ(b);this.moveLeft&&this.object.translateX(-b);
+this.moveRight&&this.object.translateX(b);this.moveUp&&this.object.translateY(b);this.moveDown&&this.object.translateY(-b);a=a*this.lookSpeed;this.activeLook||(a=0);this.lon=this.lon+this.mouseX*a;if(this.lookVertical)this.lat=this.lat-this.mouseY*a;this.lat=Math.max(-85,Math.min(85,this.lat));this.phi=(90-this.lat)*Math.PI/180;this.theta=this.lon*Math.PI/180;var b=this.target,c=this.object.position;b.x=c.x+100*Math.sin(this.phi)*Math.cos(this.theta);b.y=c.y+100*Math.cos(this.phi);b.z=c.z+100*Math.sin(this.phi)*
+Math.sin(this.theta);b=1;this.constrainVertical&&(b=Math.PI/(this.verticalMax-this.verticalMin));this.lon=this.lon+this.mouseX*a;if(this.lookVertical)this.lat=this.lat-this.mouseY*a*b;this.lat=Math.max(-85,Math.min(85,this.lat));this.phi=(90-this.lat)*Math.PI/180;this.theta=this.lon*Math.PI/180;if(this.constrainVertical)this.phi=THREE.Math.mapLinear(this.phi,0,Math.PI,this.verticalMin,this.verticalMax);b=this.target;c=this.object.position;b.x=c.x+100*Math.sin(this.phi)*Math.cos(this.theta);b.y=c.y+
+100*Math.cos(this.phi);b.z=c.z+100*Math.sin(this.phi)*Math.sin(this.theta);this.object.lookAt(b)}};this.domElement.addEventListener("contextmenu",function(a){a.preventDefault()},false);this.domElement.addEventListener("mousemove",c(this,this.onMouseMove),false);this.domElement.addEventListener("mousedown",c(this,this.onMouseDown),false);this.domElement.addEventListener("mouseup",c(this,this.onMouseUp),false);this.domElement.addEventListener("keydown",c(this,this.onKeyDown),false);this.domElement.addEventListener("keyup",
+c(this,this.onKeyUp),false)};
+THREE.PathControls=function(a,b){function c(a){return(a=a*2)<1?0.5*a*a:-0.5*(--a*(a-2)-1)}function d(a,b){return function(){b.apply(a,arguments)}}function e(a,b,c,d){var e={name:c,fps:0.6,length:d,hierarchy:[]},f,g=b.getControlPointsArray(),h=b.getLength(),r=g.length,u=0;f=r-1;b={parent:-1,keys:[]};b.keys[0]={time:0,pos:g[0],rot:[0,0,0,1],scl:[1,1,1]};b.keys[f]={time:d,pos:g[f],rot:[0,0,0,1],scl:[1,1,1]};for(f=1;f=0?a:a+g;b=this.verticalAngleMap.srcRange;a=this.verticalAngleMap.dstRange;
+b=THREE.Math.mapLinear(this.phi,b[0],b[1],a[0],a[1]);var d=a[1]-a[0];this.phi=c((b-a[0])/d)*d+a[0];b=this.horizontalAngleMap.srcRange;a=this.horizontalAngleMap.dstRange;b=THREE.Math.mapLinear(this.theta,b[0],b[1],a[0],a[1]);d=a[1]-a[0];this.theta=c((b-a[0])/d)*d+a[0];a=this.target.position;a.x=100*Math.sin(this.phi)*Math.cos(this.theta);a.y=100*Math.cos(this.phi);a.z=100*Math.sin(this.phi)*Math.sin(this.theta);this.object.lookAt(this.target.position)};this.onMouseMove=function(a){if(this.domElement===
+document){this.mouseX=a.pageX-this.viewHalfX;this.mouseY=a.pageY-this.viewHalfY}else{this.mouseX=a.pageX-this.domElement.offsetLeft-this.viewHalfX;this.mouseY=a.pageY-this.domElement.offsetTop-this.viewHalfY}};this.init=function(){this.spline=new THREE.Spline;this.spline.initFromArray(this.waypoints);this.useConstantSpeed&&this.spline.reparametrizeByArcLength(this.resamplingCoef);if(this.createDebugDummy){var a=new THREE.MeshLambertMaterial({color:30719}),b=new THREE.MeshLambertMaterial({color:65280}),
+c=new THREE.CubeGeometry(10,10,20),g=new THREE.CubeGeometry(2,2,10);this.animationParent=new THREE.Mesh(c,a);a=new THREE.Mesh(g,b);a.position.set(0,10,0);this.animation=e(this.animationParent,this.spline,this.id,this.duration);this.animationParent.add(this.object);this.animationParent.add(this.target);this.animationParent.add(a)}else{this.animation=e(this.animationParent,this.spline,this.id,this.duration);this.animationParent.add(this.target);this.animationParent.add(this.object)}if(this.createDebugPath){var a=
+this.debugPath,b=this.spline,g=f(b,10),c=f(b,10),h=new THREE.LineBasicMaterial({color:16711680,linewidth:3}),g=new THREE.Line(g,h),c=new THREE.ParticleSystem(c,new THREE.ParticleBasicMaterial({color:16755200,size:3}));g.scale.set(1,1,1);a.add(g);c.scale.set(1,1,1);a.add(c);for(var g=new THREE.SphereGeometry(1,16,8),h=new THREE.MeshBasicMaterial({color:65280}),o=0;o0){var b=this.getContainerDimensions(),c=b.size[0]/2,g=b.size[1]/2;this.moveState.yawLeft=-(a.pageX-b.offset[0]-c)/c;this.moveState.pitchDown=(a.pageY-b.offset[1]-g)/g;this.updateRotationVector()}};this.mouseup=function(a){a.preventDefault();a.stopPropagation();if(this.dragToLook){this.mouseStatus--;this.moveState.yawLeft=this.moveState.pitchDown=0}else switch(a.button){case 0:this.moveForward=
+false;break;case 2:this.moveBackward=false}this.updateRotationVector()};this.update=function(a){var b=a*this.movementSpeed,a=a*this.rollSpeed;this.object.translateX(this.moveVector.x*b);this.object.translateY(this.moveVector.y*b);this.object.translateZ(this.moveVector.z*b);this.tmpQuaternion.set(this.rotationVector.x*a,this.rotationVector.y*a,this.rotationVector.z*a,1).normalize();this.object.quaternion.multiplySelf(this.tmpQuaternion);this.object.matrix.setPosition(this.object.position);this.object.matrix.setRotationFromQuaternion(this.object.quaternion);
+this.object.matrixWorldNeedsUpdate=true};this.updateMovementVector=function(){var a=this.moveState.forward||this.autoForward&&!this.moveState.back?1:0;this.moveVector.x=-this.moveState.left+this.moveState.right;this.moveVector.y=-this.moveState.down+this.moveState.up;this.moveVector.z=-a+this.moveState.back};this.updateRotationVector=function(){this.rotationVector.x=-this.moveState.pitchDown+this.moveState.pitchUp;this.rotationVector.y=-this.moveState.yawRight+this.moveState.yawLeft;this.rotationVector.z=
+-this.moveState.rollRight+this.moveState.rollLeft};this.getContainerDimensions=function(){return this.domElement!=document?{size:[this.domElement.offsetWidth,this.domElement.offsetHeight],offset:[this.domElement.offsetLeft,this.domElement.offsetTop]}:{size:[window.innerWidth,window.innerHeight],offset:[0,0]}};this.domElement.addEventListener("mousemove",c(this,this.mousemove),false);this.domElement.addEventListener("mousedown",c(this,this.mousedown),false);this.domElement.addEventListener("mouseup",
+c(this,this.mouseup),false);this.domElement.addEventListener("keydown",c(this,this.keydown),false);this.domElement.addEventListener("keyup",c(this,this.keyup),false);this.updateMovementVector();this.updateRotationVector()};
+THREE.RollControls=function(a,b){this.object=a;this.domElement=b!==void 0?b:document;this.mouseLook=true;this.autoForward=false;this.rollSpeed=this.movementSpeed=this.lookSpeed=1;this.constrainVertical=[-0.9,0.9];this.object.matrixAutoUpdate=false;this.forward=new THREE.Vector3(0,0,1);this.roll=0;var c=new THREE.Vector3,d=new THREE.Vector3,e=new THREE.Vector3,f=new THREE.Matrix4,g=false,h=1,j=0,l=0,k=0,p=0,m=0,o=window.innerWidth/2,q=window.innerHeight/2;this.update=function(a){if(this.mouseLook){var b=
+a*this.lookSpeed;this.rotateHorizontally(b*p);this.rotateVertically(b*m)}b=a*this.movementSpeed;this.object.translateZ(-b*(j>0||this.autoForward&&!(j<0)?1:j));this.object.translateX(b*l);this.object.translateY(b*k);if(g)this.roll=this.roll+this.rollSpeed*a*h;if(this.forward.y>this.constrainVertical[1]){this.forward.y=this.constrainVertical[1];this.forward.normalize()}else if(this.forward.y1?d.normalize():d.z=Math.sqrt(1-e*e);g.copy(c.object.position).subSelf(c.target);e=c.object.up.clone().setLength(d.y);e.addSelf(c.object.up.clone().crossSelf(g).setLength(d.x));e.addSelf(g.setLength(d.z));return e};this.rotateCamera=function(){var a=Math.acos(h.dot(j)/h.length()/j.length());if(a){var b=(new THREE.Vector3).cross(h,j).normalize(),d=new THREE.Quaternion,a=a*c.rotateSpeed;
+d.setFromAxisAngle(b,-a);d.multiplyVector3(g);d.multiplyVector3(c.object.up);d.multiplyVector3(j);if(c.staticMoving)h=j;else{d.setFromAxisAngle(b,a*(c.dynamicDampingFactor-1));d.multiplyVector3(h)}}};this.zoomCamera=function(){var a=1+(k.y-l.y)*c.zoomSpeed;if(a!==1&&a>0){g.multiplyScalar(a);c.staticMoving?l=k:l.y=l.y+(k.y-l.y)*this.dynamicDampingFactor}};this.panCamera=function(){var a=m.clone().subSelf(p);if(a.lengthSq()){a.multiplyScalar(g.length()*c.panSpeed);var b=g.clone().crossSelf(c.object.up).setLength(a.x);
+b.addSelf(c.object.up.clone().setLength(a.y));c.object.position.addSelf(b);c.target.addSelf(b);c.staticMoving?p=m:p.addSelf(a.sub(m,p).multiplyScalar(c.dynamicDampingFactor))}};this.checkDistances=function(){if(!c.noZoom||!c.noPan){c.object.position.lengthSq()>c.maxDistance*c.maxDistance&&c.object.position.setLength(c.maxDistance);g.lengthSq()0){c.dispatchEvent(o);d.copy(c.object.position)}};this.domElement.addEventListener("contextmenu",function(a){a.preventDefault()},false);this.domElement.addEventListener("mousemove",function(a){if(c.enabled){if(e){h=j=c.getMouseProjectionOnBall(a.clientX,a.clientY);l=k=c.getMouseOnScreen(a.clientX,a.clientY);p=
+m=c.getMouseOnScreen(a.clientX,a.clientY);e=false}f!==-1&&(f===0&&!c.noRotate?j=c.getMouseProjectionOnBall(a.clientX,a.clientY):f===1&&!c.noZoom?k=c.getMouseOnScreen(a.clientX,a.clientY):f===2&&!c.noPan&&(m=c.getMouseOnScreen(a.clientX,a.clientY)))}},false);this.domElement.addEventListener("mousedown",function(a){if(c.enabled){a.preventDefault();a.stopPropagation();if(f===-1){f=a.button;f===0&&!c.noRotate?h=j=c.getMouseProjectionOnBall(a.clientX,a.clientY):f===1&&!c.noZoom?l=k=c.getMouseOnScreen(a.clientX,
+a.clientY):this.noPan||(p=m=c.getMouseOnScreen(a.clientX,a.clientY))}}},false);this.domElement.addEventListener("mouseup",function(a){if(c.enabled){a.preventDefault();a.stopPropagation();f=-1}},false);window.addEventListener("keydown",function(a){if(c.enabled&&f===-1){a.keyCode===c.keys[0]&&!c.noRotate?f=0:a.keyCode===c.keys[1]&&!c.noZoom?f=1:a.keyCode===c.keys[2]&&!c.noPan&&(f=2);f!==-1&&(e=true)}},false);window.addEventListener("keyup",function(){c.enabled&&f!==-1&&(f=-1)},false)};
+THREE.CubeGeometry=function(a,b,c,d,e,f,g,h){function j(a,b,c,g,h,j,k,m){var n,p=d||1,o=e||1,q=h/2,r=j/2,t=l.vertices.length;if(a==="x"&&b==="y"||a==="y"&&b==="x")n="z";else if(a==="x"&&b==="z"||a==="z"&&b==="x"){n="y";o=f||1}else if(a==="z"&&b==="y"||a==="y"&&b==="z"){n="x";p=f||1}var i=p+1,u=o+1,y=h/p,C=j/o,Y=new THREE.Vector3;Y[n]=k>0?1:-1;for(h=0;h0){this.vertices.push(new THREE.Vector3(0,
+g,0));for(h=0;h0){this.vertices.push(new THREE.Vector3(0,-g,0));for(h=0;ha&&(a=a+Math.PI*2);c=(b+a)/2;a=-Math.cos(c);c=-Math.sin(c);return new THREE.Vector2(a,c)}return d.multiplyScalar(g).addSelf(h).subSelf(a).clone()}function e(c,d){var e,f;for(F=c.length;--F>=0;){e=F;f=F-1;f<0&&(f=
+c.length-1);for(var g=0,h=m+k*2,g=0;g=0;D--){G=D/k;i=j*(1-G);M=l*Math.sin(G*Math.PI/2);F=0;for(G=P.length;F0)for(l=0;l2;){if(p--<=0){console.log("Warning, unable to triangulate polygon!");break}j=l;e<=j&&(j=0);l=j+1;e<=l&&(l=0);k=l+1;e<=k&&(k=0);var m;a:{m=a;var o=j,q=l,n=k,r=e,u=g,t=void 0,y=void 0,s=void 0,w=void 0,H=void 0,
+E=void 0,z=void 0,v=void 0,A=void 0,y=m[u[o]].x,s=m[u[o]].y,w=m[u[q]].x,H=m[u[q]].y,E=m[u[n]].x,z=m[u[n]].y;if(1.0E-10>(w-y)*(z-s)-(H-s)*(E-y))m=false;else{for(t=0;t=0&&R>=0&&D>=0){m=false;break a}}m=true}}if(m){f.push([a[g[j]],
+a[g[l]],a[g[k]]]);h.push([g[j],g[l],g[k]]);j=l;for(k=l+1;k1.0E-4){h.normalize();d=Math.acos(e[l-1].dot(e[l]));j.makeRotationAxis(h,d).multiplyVector3(f[l])}g[l].cross(e[l],f[l])}if(c){d=Math.acos(f[0].dot(f[b-1]));d=d/(b-1);e[0].dot(h.cross(f[0],f[b-1]))>0&&(d=-d);for(l=1;l0;)this.smooth(a)};
+THREE.SubdivisionModifier.prototype.smooth=function(a){function b(){m.debug&&console.log.apply(console,arguments)}function c(){console&&console.log.apply(console,arguments)}function d(a,c,d,e,g,h,i){var j=new THREE.Face4(a,c,d,e,null,g.color,g.material);if(m.useOldVertexColors){j.vertexColors=[];for(var l,n,o,q=0;q<4;q++){o=h[q];l=new THREE.Color;l.setRGB(0,0,0);for(var r=0;r=y&&a1){var j=h[1];d[j]||(d[j]={start:Infinity,end:-Infinity});h=d[j];if(fh.end)h.end=f;c||(c=j)}}for(j in d){h=d[j];this.createAnimation(j,h.start,h.end,a)}this.firstAnimation=c};
+THREE.MorphBlendMesh.prototype.setAnimationDirectionForward=function(a){if(a=this.animationsMap[a]){a.direction=1;a.directionBackwards=false}};THREE.MorphBlendMesh.prototype.setAnimationDirectionBackward=function(a){if(a=this.animationsMap[a]){a.direction=-1;a.directionBackwards=true}};THREE.MorphBlendMesh.prototype.setAnimationFPS=function(a,b){var c=this.animationsMap[a];if(c){c.fps=b;c.duration=(c.end-c.start)/c.fps}};
+THREE.MorphBlendMesh.prototype.setAnimationDuration=function(a,b){var c=this.animationsMap[a];if(c){c.duration=b;c.fps=(c.end-c.start)/c.duration}};THREE.MorphBlendMesh.prototype.setAnimationWeight=function(a,b){var c=this.animationsMap[a];if(c)c.weight=b};THREE.MorphBlendMesh.prototype.setAnimationTime=function(a,b){var c=this.animationsMap[a];if(c)c.time=b};THREE.MorphBlendMesh.prototype.getAnimationTime=function(a){var b=0;if(a=this.animationsMap[a])b=a.time;return b};
+THREE.MorphBlendMesh.prototype.getAnimationDuration=function(a){var b=-1;if(a=this.animationsMap[a])b=a.duration;return b};THREE.MorphBlendMesh.prototype.playAnimation=function(a){var b=this.animationsMap[a];if(b){b.time=0;b.active=true}else console.warn("animation["+a+"] undefined")};THREE.MorphBlendMesh.prototype.stopAnimation=function(a){if(a=this.animationsMap[a])a.active=false};
+THREE.MorphBlendMesh.prototype.update=function(a){for(var b=0,c=this.animationsList.length;bd.duration||d.time<0){d.direction=d.direction*-1;if(d.time>d.duration){d.time=d.duration;d.directionBackwards=true}if(d.time<0){d.time=0;d.directionBackwards=false}}}else{d.time=d.time%d.duration;if(d.time<0)d.time=d.time+d.duration}var f=d.startFrame+THREE.Math.clamp(Math.floor(d.time/
+e),0,d.length-1),g=d.weight;if(f!==d.currentFrame){this.morphTargetInfluences[d.lastFrame]=0;this.morphTargetInfluences[d.currentFrame]=1*g;this.morphTargetInfluences[f]=0;d.lastFrame=d.currentFrame;d.currentFrame=f}e=d.time%e/e;d.directionBackwards&&(e=1-e);this.morphTargetInfluences[d.currentFrame]=e*g;this.morphTargetInfluences[d.lastFrame]=(1-e)*g}}};
+THREE.LensFlarePlugin=function(){function a(a){var c=b.createProgram(),d=b.createShader(b.FRAGMENT_SHADER),e=b.createShader(b.VERTEX_SHADER);b.shaderSource(d,a.fragmentShader);b.shaderSource(e,a.vertexShader);b.compileShader(d);b.compileShader(e);b.attachShader(c,d);b.attachShader(c,e);b.linkProgram(c);return c}var b,c,d,e,f,g,h,j,l,k,p,m,o;this.init=function(q){b=q.context;c=q;d=new Float32Array(16);e=new Uint16Array(6);q=0;d[q++]=-1;d[q++]=-1;d[q++]=0;d[q++]=0;d[q++]=1;d[q++]=-1;d[q++]=1;d[q++]=
+0;d[q++]=1;d[q++]=1;d[q++]=1;d[q++]=1;d[q++]=-1;d[q++]=1;d[q++]=0;d[q++]=1;q=0;e[q++]=0;e[q++]=1;e[q++]=2;e[q++]=0;e[q++]=2;e[q++]=3;f=b.createBuffer();g=b.createBuffer();b.bindBuffer(b.ARRAY_BUFFER,f);b.bufferData(b.ARRAY_BUFFER,d,b.STATIC_DRAW);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.bufferData(b.ELEMENT_ARRAY_BUFFER,e,b.STATIC_DRAW);h=b.createTexture();j=b.createTexture();b.bindTexture(b.TEXTURE_2D,h);b.texImage2D(b.TEXTURE_2D,0,b.RGB,16,16,0,b.RGB,b.UNSIGNED_BYTE,null);b.texParameteri(b.TEXTURE_2D,
+b.TEXTURE_WRAP_S,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,b.NEAREST);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);b.bindTexture(b.TEXTURE_2D,j);b.texImage2D(b.TEXTURE_2D,0,b.RGBA,16,16,0,b.RGBA,b.UNSIGNED_BYTE,null);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_S,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,b.CLAMP_TO_EDGE);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,b.NEAREST);
+b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);if(b.getParameter(b.MAX_VERTEX_TEXTURE_IMAGE_UNITS)<=0){l=false;k=a(THREE.ShaderFlares.lensFlare)}else{l=true;k=a(THREE.ShaderFlares.lensFlareVertexTexture)}p={};m={};p.vertex=b.getAttribLocation(k,"position");p.uv=b.getAttribLocation(k,"uv");m.renderType=b.getUniformLocation(k,"renderType");m.map=b.getUniformLocation(k,"map");m.occlusionMap=b.getUniformLocation(k,"occlusionMap");m.opacity=b.getUniformLocation(k,"opacity");m.color=b.getUniformLocation(k,
+"color");m.scale=b.getUniformLocation(k,"scale");m.rotation=b.getUniformLocation(k,"rotation");m.screenPosition=b.getUniformLocation(k,"screenPosition");o=false};this.render=function(a,d,e,u){var a=a.__webglFlares,t=a.length;if(t){var y=new THREE.Vector3,s=u/e,w=e*0.5,H=u*0.5,E=16/u,z=new THREE.Vector2(E*s,E),v=new THREE.Vector3(1,1,0),A=new THREE.Vector2(1,1),J=m,E=p;b.useProgram(k);if(!o){b.enableVertexAttribArray(p.vertex);b.enableVertexAttribArray(p.uv);o=true}b.uniform1i(J.occlusionMap,0);b.uniform1i(J.map,
+1);b.bindBuffer(b.ARRAY_BUFFER,f);b.vertexAttribPointer(E.vertex,2,b.FLOAT,false,16,0);b.vertexAttribPointer(E.uv,2,b.FLOAT,false,16,8);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,g);b.disable(b.CULL_FACE);b.depthMask(false);var K,R,P,D,M;for(K=0;K0&&A.x0&&
+A.y0.001&&M.scale>0.001){v.x=M.x;v.y=M.y;v.z=M.z;E=M.size*M.scale/u;z.x=E*s;z.y=E;b.uniform3f(J.screenPosition,v.x,v.y,v.z);b.uniform2f(J.scale,z.x,z.y);b.uniform1f(J.rotation,M.rotation);b.uniform1f(J.opacity,M.opacity);
+b.uniform3f(J.color,M.color.r,M.color.g,M.color.b);c.setBlending(M.blending,M.blendEquation,M.blendSrc,M.blendDst);c.setTexture(M.texture,1);b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0)}}}}b.enable(b.CULL_FACE);b.enable(b.DEPTH_TEST);b.depthMask(true)}}};
+THREE.ShadowMapPlugin=function(){var a,b,c,d,e=new THREE.Frustum,f=new THREE.Matrix4,g=new THREE.Vector3,h=new THREE.Vector3;this.init=function(e){a=e.context;b=e;var e=THREE.ShaderLib.depthRGBA,f=THREE.UniformsUtils.clone(e.uniforms);c=new THREE.ShaderMaterial({fragmentShader:e.fragmentShader,vertexShader:e.vertexShader,uniforms:f});d=new THREE.ShaderMaterial({fragmentShader:e.fragmentShader,vertexShader:e.vertexShader,uniforms:f,morphTargets:true});c._shadowPass=true;d._shadowPass=true};this.render=
+function(a,c){b.shadowMapEnabled&&b.shadowMapAutoUpdate&&this.update(a,c)};this.update=function(j,l){var k,p,m,o,q,n,r,u,t,y=[];o=0;a.clearColor(1,1,1,1);a.disable(a.BLEND);a.enable(a.CULL_FACE);b.shadowMapCullFrontFaces?a.cullFace(a.FRONT):a.cullFace(a.BACK);b.setDepthTest(true);k=0;for(p=j.__lights.length;kh.x)h.x=u.x;if(u.yh.y)h.y=u.y;if(u.zh.z)h.z=u.z}o.left=g.x;o.right=h.x;o.top=h.y;o.bottom=g.y;o.updateProjectionMatrix()}o=m.shadowMap;n=m.shadowMatrix;q=m.shadowCamera;q.position.copy(m.matrixWorld.getPosition());q.lookAt(m.target.matrixWorld.getPosition());q.updateMatrixWorld();q.matrixWorldInverse.getInverse(q.matrixWorld);
+if(m.cameraHelper)m.cameraHelper.lines.visible=m.shadowCameraVisible;m.shadowCameraVisible&&m.cameraHelper.update();n.set(0.5,0,0,0.5,0,0.5,0,0.5,0,0,0.5,0.5,0,0,0,1);n.multiplySelf(q.projectionMatrix);n.multiplySelf(q.matrixWorldInverse);if(!q._viewMatrixArray)q._viewMatrixArray=new Float32Array(16);if(!q._projectionMatrixArray)q._projectionMatrixArray=new Float32Array(16);q.matrixWorldInverse.flattenToArray(q._viewMatrixArray);q.projectionMatrix.flattenToArray(q._projectionMatrixArray);f.multiply(q.projectionMatrix,
+q.matrixWorldInverse);e.setFromMatrix(f);b.setRenderTarget(o);b.clear();t=j.__webglObjects;m=0;for(o=t.length;m
+
+ var i, f, p, q, t;
+
+ if ( v === 0 ) {
+
+ this.r = this.g = this.b = 0;
+
+ } else {
+
+ i = Math.floor( h * 6 );
+ f = ( h * 6 ) - i;
+ p = v * ( 1 - s );
+ q = v * ( 1 - ( s * f ) );
+ t = v * ( 1 - ( s * ( 1 - f ) ) );
+
+ switch ( i ) {
+
+ case 1: this.r = q; this.g = v; this.b = p; break;
+ case 2: this.r = p; this.g = v; this.b = t; break;
+ case 3: this.r = p; this.g = q; this.b = v; break;
+ case 4: this.r = t; this.g = p; this.b = v; break;
+ case 5: this.r = v; this.g = p; this.b = q; break;
+ case 6: // fall through
+ case 0: this.r = v; this.g = t; this.b = p; break;
+
+ }
+
+ }
+
+ return this;
+
+ },
+
+ setHex: function ( hex ) {
+
+ hex = Math.floor( hex );
+
+ this.r = ( hex >> 16 & 255 ) / 255;
+ this.g = ( hex >> 8 & 255 ) / 255;
+ this.b = ( hex & 255 ) / 255;
+
+ return this;
+
+ },
+
+ lerpSelf: function ( color, alpha ) {
+
+ this.r += ( color.r - this.r ) * alpha;
+ this.g += ( color.g - this.g ) * alpha;
+ this.b += ( color.b - this.b ) * alpha;
+
+ return this;
+
+ },
+
+ getHex: function () {
+
+ return Math.floor( this.r * 255 ) << 16 ^ Math.floor( this.g * 255 ) << 8 ^ Math.floor( this.b * 255 );
+
+ },
+
+ getContextStyle: function () {
+
+ return 'rgb(' + Math.floor( this.r * 255 ) + ',' + Math.floor( this.g * 255 ) + ',' + Math.floor( this.b * 255 ) + ')';
+
+ },
+
+ clone: function () {
+
+ return new THREE.Color().setRGB( this.r, this.g, this.b );
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author philogb / http://blog.thejit.org/
+ * @author egraether / http://egraether.com/
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ */
+
+THREE.Vector2 = function ( x, y ) {
+
+ this.x = x || 0;
+ this.y = y || 0;
+
+};
+
+THREE.Vector2.prototype = {
+
+ constructor: THREE.Vector2,
+
+ set: function ( x, y ) {
+
+ this.x = x;
+ this.y = y;
+
+ return this;
+
+ },
+
+ copy: function ( v ) {
+
+ this.x = v.x;
+ this.y = v.y;
+
+ return this;
+
+ },
+
+ add: function ( a, b ) {
+
+ this.x = a.x + b.x;
+ this.y = a.y + b.y;
+
+ return this;
+
+ },
+
+ addSelf: function ( v ) {
+
+ this.x += v.x;
+ this.y += v.y;
+
+ return this;
+
+ },
+
+ sub: function ( a, b ) {
+
+ this.x = a.x - b.x;
+ this.y = a.y - b.y;
+
+ return this;
+
+ },
+
+ subSelf: function ( v ) {
+
+ this.x -= v.x;
+ this.y -= v.y;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( s ) {
+
+ this.x *= s;
+ this.y *= s;
+
+ return this;
+
+ },
+
+ divideScalar: function ( s ) {
+
+ if ( s ) {
+
+ this.x /= s;
+ this.y /= s;
+
+ } else {
+
+ this.set( 0, 0 );
+
+ }
+
+ return this;
+
+ },
+
+ negate: function() {
+
+ return this.multiplyScalar( - 1 );
+
+ },
+
+ dot: function ( v ) {
+
+ return this.x * v.x + this.y * v.y;
+
+ },
+
+ lengthSq: function () {
+
+ return this.x * this.x + this.y * this.y;
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this.lengthSq() );
+
+ },
+
+ normalize: function () {
+
+ return this.divideScalar( this.length() );
+
+ },
+
+ distanceTo: function ( v ) {
+
+ return Math.sqrt( this.distanceToSquared( v ) );
+
+ },
+
+ distanceToSquared: function ( v ) {
+
+ var dx = this.x - v.x, dy = this.y - v.y;
+ return dx * dx + dy * dy;
+
+ },
+
+ setLength: function ( l ) {
+
+ return this.normalize().multiplyScalar( l );
+
+ },
+
+ lerpSelf: function ( v, alpha ) {
+
+ this.x += ( v.x - this.x ) * alpha;
+ this.y += ( v.y - this.y ) * alpha;
+
+ return this;
+
+ },
+
+ equals: function( v ) {
+
+ return ( ( v.x === this.x ) && ( v.y === this.y ) );
+
+ },
+
+ isZero: function () {
+
+ return ( this.lengthSq() < 0.0001 /* almostZero */ );
+
+ },
+
+ clone: function () {
+
+ return new THREE.Vector2( this.x, this.y );
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author kile / http://kile.stravaganza.org/
+ * @author philogb / http://blog.thejit.org/
+ * @author mikael emtinger / http://gomo.se/
+ * @author egraether / http://egraether.com/
+ */
+
+THREE.Vector3 = function ( x, y, z ) {
+
+ this.x = x || 0;
+ this.y = y || 0;
+ this.z = z || 0;
+
+};
+
+
+THREE.Vector3.prototype = {
+
+ constructor: THREE.Vector3,
+
+ set: function ( x, y, z ) {
+
+ this.x = x;
+ this.y = y;
+ this.z = z;
+
+ return this;
+
+ },
+
+ setX: function ( x ) {
+
+ this.x = x;
+
+ return this;
+
+ },
+
+ setY: function ( y ) {
+
+ this.y = y;
+
+ return this;
+
+ },
+
+ setZ: function ( z ) {
+
+ this.z = z;
+
+ return this;
+
+ },
+
+ copy: function ( v ) {
+
+ this.x = v.x;
+ this.y = v.y;
+ this.z = v.z;
+
+ return this;
+
+ },
+
+ add: function ( a, b ) {
+
+ this.x = a.x + b.x;
+ this.y = a.y + b.y;
+ this.z = a.z + b.z;
+
+ return this;
+
+ },
+
+ addSelf: function ( v ) {
+
+ this.x += v.x;
+ this.y += v.y;
+ this.z += v.z;
+
+ return this;
+
+ },
+
+ addScalar: function ( s ) {
+
+ this.x += s;
+ this.y += s;
+ this.z += s;
+
+ return this;
+
+ },
+
+ sub: function ( a, b ) {
+
+ this.x = a.x - b.x;
+ this.y = a.y - b.y;
+ this.z = a.z - b.z;
+
+ return this;
+
+ },
+
+ subSelf: function ( v ) {
+
+ this.x -= v.x;
+ this.y -= v.y;
+ this.z -= v.z;
+
+ return this;
+
+ },
+
+ multiply: function ( a, b ) {
+
+ this.x = a.x * b.x;
+ this.y = a.y * b.y;
+ this.z = a.z * b.z;
+
+ return this;
+
+ },
+
+ multiplySelf: function ( v ) {
+
+ this.x *= v.x;
+ this.y *= v.y;
+ this.z *= v.z;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( s ) {
+
+ this.x *= s;
+ this.y *= s;
+ this.z *= s;
+
+ return this;
+
+ },
+
+ divideSelf: function ( v ) {
+
+ this.x /= v.x;
+ this.y /= v.y;
+ this.z /= v.z;
+
+ return this;
+
+ },
+
+ divideScalar: function ( s ) {
+
+ if ( s ) {
+
+ this.x /= s;
+ this.y /= s;
+ this.z /= s;
+
+ } else {
+
+ this.x = 0;
+ this.y = 0;
+ this.z = 0;
+
+ }
+
+ return this;
+
+ },
+
+
+ negate: function() {
+
+ return this.multiplyScalar( - 1 );
+
+ },
+
+ dot: function ( v ) {
+
+ return this.x * v.x + this.y * v.y + this.z * v.z;
+
+ },
+
+ lengthSq: function () {
+
+ return this.x * this.x + this.y * this.y + this.z * this.z;
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this.lengthSq() );
+
+ },
+
+ lengthManhattan: function () {
+
+ return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );
+
+ },
+
+ normalize: function () {
+
+ return this.divideScalar( this.length() );
+
+ },
+
+ setLength: function ( l ) {
+
+ return this.normalize().multiplyScalar( l );
+
+ },
+
+ lerpSelf: function ( v, alpha ) {
+
+ this.x += ( v.x - this.x ) * alpha;
+ this.y += ( v.y - this.y ) * alpha;
+ this.z += ( v.z - this.z ) * alpha;
+
+ return this;
+
+ },
+
+ cross: function ( a, b ) {
+
+ this.x = a.y * b.z - a.z * b.y;
+ this.y = a.z * b.x - a.x * b.z;
+ this.z = a.x * b.y - a.y * b.x;
+
+ return this;
+
+ },
+
+ crossSelf: function ( v ) {
+
+ var x = this.x, y = this.y, z = this.z;
+
+ this.x = y * v.z - z * v.y;
+ this.y = z * v.x - x * v.z;
+ this.z = x * v.y - y * v.x;
+
+ return this;
+
+ },
+
+ distanceTo: function ( v ) {
+
+ return Math.sqrt( this.distanceToSquared( v ) );
+
+ },
+
+ distanceToSquared: function ( v ) {
+
+ return new THREE.Vector3().sub( this, v ).lengthSq();
+
+ },
+
+ getPositionFromMatrix: function ( m ) {
+
+ this.x = m.elements[12];
+ this.y = m.elements[13];
+ this.z = m.elements[14];
+
+ return this;
+
+ },
+
+ getRotationFromMatrix: function ( m, scale ) {
+
+ var sx = scale ? scale.x : 1;
+ var sy = scale ? scale.y : 1;
+ var sz = scale ? scale.z : 1;
+
+ var m11 = m.elements[0] / sx, m12 = m.elements[4] / sy, m13 = m.elements[8] / sz;
+ var m21 = m.elements[1] / sx, m22 = m.elements[5] / sy, m23 = m.elements[9] / sz;
+ var m33 = m.elements[10] / sz;
+
+ this.y = Math.asin( m13 );
+
+ var cosY = Math.cos( this.y );
+
+ if ( Math.abs( cosY ) > 0.00001 ) {
+
+ this.x = Math.atan2( - m23 / cosY, m33 / cosY );
+ this.z = Math.atan2( - m12 / cosY, m11 / cosY );
+
+ } else {
+
+ this.x = 0;
+ this.z = Math.atan2( m21, m22 );
+
+ }
+
+ return this;
+
+ },
+
+ /*
+
+ // from http://www.mathworks.com/matlabcentral/fileexchange/20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/content/SpinCalc.m
+ // order XYZ
+
+ getEulerXYZFromQuaternion: function ( q ) {
+
+ this.x = Math.atan2( 2 * ( q.x * q.w - q.y * q.z ), ( q.w * q.w - q.x * q.x - q.y * q.y + q.z * q.z ) );
+ this.y = Math.asin( 2 * ( q.x * q.z + q.y * q.w ) );
+ this.z = Math.atan2( 2 * ( q.z * q.w - q.x * q.y ), ( q.w * q.w + q.x * q.x - q.y * q.y - q.z * q.z ) );
+
+ },
+
+ // from http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToEuler/index.htm
+ // order YZX (assuming heading == y, attitude == z, bank == x)
+
+ getEulerYZXFromQuaternion: function ( q ) {
+
+ var sqw = q.w * q.w;
+ var sqx = q.x * q.x;
+ var sqy = q.y * q.y;
+ var sqz = q.z * q.z;
+ var unit = sqx + sqy + sqz + sqw; // if normalised is one, otherwise is correction factor
+ var test = q.x * q.y + q.z * q.w;
+
+ if ( test > 0.499 * unit ) { // singularity at north pole
+
+ this.y = 2 * Math.atan2( q.x, q.w );
+ this.z = Math.PI / 2;
+ this.x = 0;
+
+ return;
+
+ }
+
+ if ( test < -0.499 * unit ) { // singularity at south pole
+
+ this.y = -2 * Math.atan2( q.x, q.w );
+ this.z = -Math.PI / 2;
+ this.x = 0;
+
+ return;
+
+ }
+
+ this.y = Math.atan2( 2 * q.y * q.w - 2 * q.x * q.z, sqx - sqy - sqz + sqw );
+ this.z = Math.asin( 2 * test / unit );
+ this.x = Math.atan2( 2 * q.x * q.w - 2 * q.y * q.z, -sqx + sqy - sqz + sqw );
+
+ },
+
+ */
+
+ getScaleFromMatrix: function ( m ) {
+
+ var sx = this.set( m.elements[0], m.elements[1], m.elements[2] ).length();
+ var sy = this.set( m.elements[4], m.elements[5], m.elements[6] ).length();
+ var sz = this.set( m.elements[8], m.elements[9], m.elements[10] ).length();
+
+ this.x = sx;
+ this.y = sy;
+ this.z = sz;
+
+ },
+
+ equals: function ( v ) {
+
+ return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );
+
+ },
+
+ isZero: function () {
+
+ return ( this.lengthSq() < 0.0001 /* almostZero */ );
+
+ },
+
+ clone: function () {
+
+ return new THREE.Vector3( this.x, this.y, this.z );
+
+ }
+
+};
+
+/**
+ * @author supereggbert / http://www.paulbrunt.co.uk/
+ * @author philogb / http://blog.thejit.org/
+ * @author mikael emtinger / http://gomo.se/
+ * @author egraether / http://egraether.com/
+ */
+
+THREE.Vector4 = function ( x, y, z, w ) {
+
+ this.x = x || 0;
+ this.y = y || 0;
+ this.z = z || 0;
+ this.w = ( w !== undefined ) ? w : 1;
+
+};
+
+THREE.Vector4.prototype = {
+
+ constructor: THREE.Vector4,
+
+ set: function ( x, y, z, w ) {
+
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ this.w = w;
+
+ return this;
+
+ },
+
+ copy: function ( v ) {
+
+ this.x = v.x;
+ this.y = v.y;
+ this.z = v.z;
+ this.w = ( v.w !== undefined ) ? v.w : 1;
+
+ return this;
+
+ },
+
+ add: function ( a, b ) {
+
+ this.x = a.x + b.x;
+ this.y = a.y + b.y;
+ this.z = a.z + b.z;
+ this.w = a.w + b.w;
+
+ return this;
+
+ },
+
+ addSelf: function ( v ) {
+
+ this.x += v.x;
+ this.y += v.y;
+ this.z += v.z;
+ this.w += v.w;
+
+ return this;
+
+ },
+
+ sub: function ( a, b ) {
+
+ this.x = a.x - b.x;
+ this.y = a.y - b.y;
+ this.z = a.z - b.z;
+ this.w = a.w - b.w;
+
+ return this;
+
+ },
+
+ subSelf: function ( v ) {
+
+ this.x -= v.x;
+ this.y -= v.y;
+ this.z -= v.z;
+ this.w -= v.w;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( s ) {
+
+ this.x *= s;
+ this.y *= s;
+ this.z *= s;
+ this.w *= s;
+
+ return this;
+
+ },
+
+ divideScalar: function ( s ) {
+
+ if ( s ) {
+
+ this.x /= s;
+ this.y /= s;
+ this.z /= s;
+ this.w /= s;
+
+ } else {
+
+ this.x = 0;
+ this.y = 0;
+ this.z = 0;
+ this.w = 1;
+
+ }
+
+ return this;
+
+ },
+
+
+ negate: function() {
+
+ return this.multiplyScalar( -1 );
+
+ },
+
+ dot: function ( v ) {
+
+ return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;
+
+ },
+
+ lengthSq: function () {
+
+ return this.dot( this );
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this.lengthSq() );
+
+ },
+
+ normalize: function () {
+
+ return this.divideScalar( this.length() );
+
+ },
+
+ setLength: function ( l ) {
+
+ return this.normalize().multiplyScalar( l );
+
+ },
+
+ lerpSelf: function ( v, alpha ) {
+
+ this.x += ( v.x - this.x ) * alpha;
+ this.y += ( v.y - this.y ) * alpha;
+ this.z += ( v.z - this.z ) * alpha;
+ this.w += ( v.w - this.w ) * alpha;
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new THREE.Vector4( this.x, this.y, this.z, this.w );
+
+ }
+
+};
+/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Frustum = function ( ) {
+
+ this.planes = [
+
+ new THREE.Vector4(),
+ new THREE.Vector4(),
+ new THREE.Vector4(),
+ new THREE.Vector4(),
+ new THREE.Vector4(),
+ new THREE.Vector4()
+
+ ];
+
+};
+
+THREE.Frustum.prototype.setFromMatrix = function ( m ) {
+
+ var i, plane, planes = this.planes;
+
+ var me = m.elements;
+ var me0 = me[0], me1 = me[1], me2 = me[2], me3 = me[3];
+ var me4 = me[4], me5 = me[5], me6 = me[6], me7 = me[7];
+ var me8 = me[8], me9 = me[9], me10 = me[10], me11 = me[11];
+ var me12 = me[12], me13 = me[13], me14 = me[14], me15 = me[15];
+
+ planes[ 0 ].set( me3 - me0, me7 - me4, me11 - me8, me15 - me12 );
+ planes[ 1 ].set( me3 + me0, me7 + me4, me11 + me8, me15 + me12 );
+ planes[ 2 ].set( me3 + me1, me7 + me5, me11 + me9, me15 + me13 );
+ planes[ 3 ].set( me3 - me1, me7 - me5, me11 - me9, me15 - me13 );
+ planes[ 4 ].set( me3 - me2, me7 - me6, me11 - me10, me15 - me14 );
+ planes[ 5 ].set( me3 + me2, me7 + me6, me11 + me10, me15 + me14 );
+
+ for ( i = 0; i < 6; i ++ ) {
+
+ plane = planes[ i ];
+ plane.divideScalar( Math.sqrt( plane.x * plane.x + plane.y * plane.y + plane.z * plane.z ) );
+
+ }
+
+};
+
+THREE.Frustum.prototype.contains = function ( object ) {
+
+ var distance,
+ planes = this.planes,
+ matrix = object.matrixWorld,
+ me = matrix.elements,
+ radius = - object.geometry.boundingSphere.radius * matrix.getMaxScaleOnAxis();
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ distance = planes[ i ].x * me[12] + planes[ i ].y * me[13] + planes[ i ].z * me[14] + planes[ i ].w;
+ if ( distance <= radius ) return false;
+
+ }
+
+ return true;
+
+};
+
+THREE.Frustum.__v1 = new THREE.Vector3();
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.Ray = function ( origin, direction ) {
+
+ this.origin = origin || new THREE.Vector3();
+ this.direction = direction || new THREE.Vector3();
+
+ var precision = 0.0001;
+
+ this.setPrecision = function ( value ) {
+
+ precision = value;
+
+ };
+
+ var a = new THREE.Vector3();
+ var b = new THREE.Vector3();
+ var c = new THREE.Vector3();
+ var d = new THREE.Vector3();
+
+ var originCopy = new THREE.Vector3();
+ var directionCopy = new THREE.Vector3();
+
+ var vector = new THREE.Vector3();
+ var normal = new THREE.Vector3();
+ var intersectPoint = new THREE.Vector3()
+
+ this.intersectObject = function ( object ) {
+
+ var intersect, intersects = [];
+
+ if ( object instanceof THREE.Particle ) {
+
+ var distance = distanceFromIntersection( this.origin, this.direction, object.matrixWorld.getPosition() );
+
+ if ( distance > object.scale.x ) {
+
+ return [];
+
+ }
+
+ intersect = {
+
+ distance: distance,
+ point: object.position,
+ face: null,
+ object: object
+
+ };
+
+ intersects.push( intersect );
+
+ } else if ( object instanceof THREE.Mesh ) {
+
+ // Checking boundingSphere
+
+ var distance = distanceFromIntersection( this.origin, this.direction, object.matrixWorld.getPosition() );
+ var scale = THREE.Frustum.__v1.set( object.matrixWorld.getColumnX().length(), object.matrixWorld.getColumnY().length(), object.matrixWorld.getColumnZ().length() );
+
+ if ( distance > object.geometry.boundingSphere.radius * Math.max( scale.x, Math.max( scale.y, scale.z ) ) ) {
+
+ return intersects;
+
+ }
+
+ // Checking faces
+
+ var f, fl, face, dot, scalar,
+ geometry = object.geometry,
+ vertices = geometry.vertices,
+ objMatrix;
+
+ object.matrixRotationWorld.extractRotation( object.matrixWorld );
+
+ for ( f = 0, fl = geometry.faces.length; f < fl; f ++ ) {
+
+ face = geometry.faces[ f ];
+
+ originCopy.copy( this.origin );
+ directionCopy.copy( this.direction );
+
+ objMatrix = object.matrixWorld;
+
+ // determine if ray intersects the plane of the face
+ // note: this works regardless of the direction of the face normal
+
+ vector = objMatrix.multiplyVector3( vector.copy( face.centroid ) ).subSelf( originCopy );
+ normal = object.matrixRotationWorld.multiplyVector3( normal.copy( face.normal ) );
+ dot = directionCopy.dot( normal );
+
+ // bail if ray and plane are parallel
+
+ if ( Math.abs( dot ) < precision ) continue;
+
+ // calc distance to plane
+
+ scalar = normal.dot( vector ) / dot;
+
+ // if negative distance, then plane is behind ray
+
+ if ( scalar < 0 ) continue;
+
+ if ( object.doubleSided || ( object.flipSided ? dot > 0 : dot < 0 ) ) {
+
+ intersectPoint.add( originCopy, directionCopy.multiplyScalar( scalar ) );
+
+ if ( face instanceof THREE.Face3 ) {
+
+ a = objMatrix.multiplyVector3( a.copy( vertices[ face.a ] ) );
+ b = objMatrix.multiplyVector3( b.copy( vertices[ face.b ] ) );
+ c = objMatrix.multiplyVector3( c.copy( vertices[ face.c ] ) );
+
+ if ( pointInFace3( intersectPoint, a, b, c ) ) {
+
+ intersect = {
+
+ distance: originCopy.distanceTo( intersectPoint ),
+ point: intersectPoint.clone(),
+ face: face,
+ object: object
+
+ };
+
+ intersects.push( intersect );
+
+ }
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ a = objMatrix.multiplyVector3( a.copy( vertices[ face.a ] ) );
+ b = objMatrix.multiplyVector3( b.copy( vertices[ face.b ] ) );
+ c = objMatrix.multiplyVector3( c.copy( vertices[ face.c ] ) );
+ d = objMatrix.multiplyVector3( d.copy( vertices[ face.d ] ) );
+
+ if ( pointInFace3( intersectPoint, a, b, d ) || pointInFace3( intersectPoint, b, c, d ) ) {
+
+ intersect = {
+
+ distance: originCopy.distanceTo( intersectPoint ),
+ point: intersectPoint.clone(),
+ face: face,
+ object: object
+
+ };
+
+ intersects.push( intersect );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+
+ return intersects;
+
+ }
+
+ this.intersectObjects = function ( objects ) {
+
+ var intersects = [];
+
+ for ( var i = 0, l = objects.length; i < l; i ++ ) {
+
+ Array.prototype.push.apply( intersects, this.intersectObject( objects[ i ] ) );
+
+ }
+
+ intersects.sort( function ( a, b ) { return a.distance - b.distance; } );
+
+ return intersects;
+
+ };
+
+ var v0 = new THREE.Vector3(), v1 = new THREE.Vector3(), v2 = new THREE.Vector3();
+ var dot, intersect, distance;
+
+ function distanceFromIntersection( origin, direction, position ) {
+
+ v0.sub( position, origin );
+ dot = v0.dot( direction );
+
+ intersect = v1.add( origin, v2.copy( direction ).multiplyScalar( dot ) );
+ distance = position.distanceTo( intersect );
+
+ return distance;
+
+ }
+
+ // http://www.blackpawn.com/texts/pointinpoly/default.html
+
+ var dot00, dot01, dot02, dot11, dot12, invDenom, u, v;
+
+ function pointInFace3( p, a, b, c ) {
+
+ v0.sub( c, a );
+ v1.sub( b, a );
+ v2.sub( p, a );
+
+ dot00 = v0.dot( v0 );
+ dot01 = v0.dot( v1 );
+ dot02 = v0.dot( v2 );
+ dot11 = v1.dot( v1 );
+ dot12 = v1.dot( v2 );
+
+ invDenom = 1 / ( dot00 * dot11 - dot01 * dot01 );
+ u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;
+ v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;
+
+ return ( u >= 0 ) && ( v >= 0 ) && ( u + v < 1 );
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.Rectangle = function () {
+
+ var _left, _top, _right, _bottom,
+ _width, _height, _isEmpty = true;
+
+ function resize() {
+
+ _width = _right - _left;
+ _height = _bottom - _top;
+
+ }
+
+ this.getX = function () {
+
+ return _left;
+
+ };
+
+ this.getY = function () {
+
+ return _top;
+
+ };
+
+ this.getWidth = function () {
+
+ return _width;
+
+ };
+
+ this.getHeight = function () {
+
+ return _height;
+
+ };
+
+ this.getLeft = function() {
+
+ return _left;
+
+ };
+
+ this.getTop = function() {
+
+ return _top;
+
+ };
+
+ this.getRight = function() {
+
+ return _right;
+
+ };
+
+ this.getBottom = function() {
+
+ return _bottom;
+
+ };
+
+ this.set = function ( left, top, right, bottom ) {
+
+ _isEmpty = false;
+
+ _left = left; _top = top;
+ _right = right; _bottom = bottom;
+
+ resize();
+
+ };
+
+ this.addPoint = function ( x, y ) {
+
+ if ( _isEmpty ) {
+
+ _isEmpty = false;
+ _left = x; _top = y;
+ _right = x; _bottom = y;
+
+ resize();
+
+ } else {
+
+ _left = _left < x ? _left : x; // Math.min( _left, x );
+ _top = _top < y ? _top : y; // Math.min( _top, y );
+ _right = _right > x ? _right : x; // Math.max( _right, x );
+ _bottom = _bottom > y ? _bottom : y; // Math.max( _bottom, y );
+
+ resize();
+ }
+
+ };
+
+ this.add3Points = function ( x1, y1, x2, y2, x3, y3 ) {
+
+ if (_isEmpty) {
+
+ _isEmpty = false;
+ _left = x1 < x2 ? ( x1 < x3 ? x1 : x3 ) : ( x2 < x3 ? x2 : x3 );
+ _top = y1 < y2 ? ( y1 < y3 ? y1 : y3 ) : ( y2 < y3 ? y2 : y3 );
+ _right = x1 > x2 ? ( x1 > x3 ? x1 : x3 ) : ( x2 > x3 ? x2 : x3 );
+ _bottom = y1 > y2 ? ( y1 > y3 ? y1 : y3 ) : ( y2 > y3 ? y2 : y3 );
+
+ resize();
+
+ } else {
+
+ _left = x1 < x2 ? ( x1 < x3 ? ( x1 < _left ? x1 : _left ) : ( x3 < _left ? x3 : _left ) ) : ( x2 < x3 ? ( x2 < _left ? x2 : _left ) : ( x3 < _left ? x3 : _left ) );
+ _top = y1 < y2 ? ( y1 < y3 ? ( y1 < _top ? y1 : _top ) : ( y3 < _top ? y3 : _top ) ) : ( y2 < y3 ? ( y2 < _top ? y2 : _top ) : ( y3 < _top ? y3 : _top ) );
+ _right = x1 > x2 ? ( x1 > x3 ? ( x1 > _right ? x1 : _right ) : ( x3 > _right ? x3 : _right ) ) : ( x2 > x3 ? ( x2 > _right ? x2 : _right ) : ( x3 > _right ? x3 : _right ) );
+ _bottom = y1 > y2 ? ( y1 > y3 ? ( y1 > _bottom ? y1 : _bottom ) : ( y3 > _bottom ? y3 : _bottom ) ) : ( y2 > y3 ? ( y2 > _bottom ? y2 : _bottom ) : ( y3 > _bottom ? y3 : _bottom ) );
+
+ resize();
+
+ };
+
+ };
+
+ this.addRectangle = function ( r ) {
+
+ if ( _isEmpty ) {
+
+ _isEmpty = false;
+ _left = r.getLeft(); _top = r.getTop();
+ _right = r.getRight(); _bottom = r.getBottom();
+
+ resize();
+
+ } else {
+
+ _left = _left < r.getLeft() ? _left : r.getLeft(); // Math.min(_left, r.getLeft() );
+ _top = _top < r.getTop() ? _top : r.getTop(); // Math.min(_top, r.getTop() );
+ _right = _right > r.getRight() ? _right : r.getRight(); // Math.max(_right, r.getRight() );
+ _bottom = _bottom > r.getBottom() ? _bottom : r.getBottom(); // Math.max(_bottom, r.getBottom() );
+
+ resize();
+
+ }
+
+ };
+
+ this.inflate = function ( v ) {
+
+ _left -= v; _top -= v;
+ _right += v; _bottom += v;
+
+ resize();
+
+ };
+
+ this.minSelf = function ( r ) {
+
+ _left = _left > r.getLeft() ? _left : r.getLeft(); // Math.max( _left, r.getLeft() );
+ _top = _top > r.getTop() ? _top : r.getTop(); // Math.max( _top, r.getTop() );
+ _right = _right < r.getRight() ? _right : r.getRight(); // Math.min( _right, r.getRight() );
+ _bottom = _bottom < r.getBottom() ? _bottom : r.getBottom(); // Math.min( _bottom, r.getBottom() );
+
+ resize();
+
+ };
+
+ this.intersects = function ( r ) {
+
+ // http://gamemath.com/2011/09/detecting-whether-two-boxes-overlap/
+
+ if ( _right < r.getLeft() ) return false;
+ if ( _left > r.getRight() ) return false;
+ if ( _bottom < r.getTop() ) return false;
+ if ( _top > r.getBottom() ) return false;
+
+ return true;
+
+ };
+
+ this.empty = function () {
+
+ _isEmpty = true;
+
+ _left = 0; _top = 0;
+ _right = 0; _bottom = 0;
+
+ resize();
+
+ };
+
+ this.isEmpty = function () {
+
+ return _isEmpty;
+
+ };
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Math = {
+
+ // Clamp value to range
+
+ clamp: function ( x, a, b ) {
+
+ return ( x < a ) ? a : ( ( x > b ) ? b : x );
+
+ },
+
+ // Clamp value to range to range
+
+ mapLinear: function ( x, a1, a2, b1, b2 ) {
+
+ return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );
+
+ },
+
+ // Random float from <0, 1> with 16 bits of randomness
+ // (standard Math.random() creates repetitive patterns when applied over larger space)
+
+ random16: function () {
+
+ return ( 65280 * Math.random() + 255 * Math.random() ) / 65535;
+
+ },
+
+ // Random integer from interval
+
+ randInt: function ( low, high ) {
+
+ return low + Math.floor( Math.random() * ( high - low + 1 ) );
+
+ },
+
+ // Random float from interval
+
+ randFloat: function ( low, high ) {
+
+ return low + Math.random() * ( high - low );
+
+ },
+
+ // Random float from <-range/2, range/2> interval
+
+ randFloatSpread: function ( range ) {
+
+ return range * ( 0.5 - Math.random() );
+
+ },
+
+ sign: function ( x ) {
+
+ return ( x < 0 ) ? -1 : ( ( x > 0 ) ? 1 : 0 );
+
+ }
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Matrix3 = function () {
+
+ this.elements = new Float32Array(9);
+
+};
+
+THREE.Matrix3.prototype = {
+
+ constructor: THREE.Matrix3,
+
+ getInverse: function ( matrix ) {
+
+ // input: THREE.Matrix4
+ // ( based on http://code.google.com/p/webgl-mjs/ )
+
+ var me = matrix.elements;
+
+ var a11 = me[10] * me[5] - me[6] * me[9];
+ var a21 = - me[10] * me[1] + me[2] * me[9];
+ var a31 = me[6] * me[1] - me[2] * me[5];
+ var a12 = - me[10] * me[4] + me[6] * me[8];
+ var a22 = me[10] * me[0] - me[2] * me[8];
+ var a32 = - me[6] * me[0] + me[2] * me[4];
+ var a13 = me[9] * me[4] - me[5] * me[8];
+ var a23 = - me[9] * me[0] + me[1] * me[8];
+ var a33 = me[5] * me[0] - me[1] * me[4];
+
+ var det = me[0] * a11 + me[1] * a12 + me[2] * a13;
+
+ // no inverse
+
+ if ( det === 0 ) {
+
+ console.warn( "Matrix3.getInverse(): determinant == 0" );
+
+ }
+
+ var idet = 1.0 / det;
+
+ var m = this.elements;
+
+ m[ 0 ] = idet * a11; m[ 1 ] = idet * a21; m[ 2 ] = idet * a31;
+ m[ 3 ] = idet * a12; m[ 4 ] = idet * a22; m[ 5 ] = idet * a32;
+ m[ 6 ] = idet * a13; m[ 7 ] = idet * a23; m[ 8 ] = idet * a33;
+
+ return this;
+
+ },
+
+
+ transpose: function () {
+
+ var tmp, m = this.elements;
+
+ tmp = m[1]; m[1] = m[3]; m[3] = tmp;
+ tmp = m[2]; m[2] = m[6]; m[6] = tmp;
+ tmp = m[5]; m[5] = m[7]; m[7] = tmp;
+
+ return this;
+
+ },
+
+
+ transposeIntoArray: function ( r ) {
+
+ var m = this.m;
+
+ r[ 0 ] = m[ 0 ];
+ r[ 1 ] = m[ 3 ];
+ r[ 2 ] = m[ 6 ];
+ r[ 3 ] = m[ 1 ];
+ r[ 4 ] = m[ 4 ];
+ r[ 5 ] = m[ 7 ];
+ r[ 6 ] = m[ 2 ];
+ r[ 7 ] = m[ 5 ];
+ r[ 8 ] = m[ 8 ];
+
+ return this;
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author supereggbert / http://www.paulbrunt.co.uk/
+ * @author philogb / http://blog.thejit.org/
+ * @author jordi_ros / http://plattsoft.com
+ * @author D1plo1d / http://github.com/D1plo1d
+ * @author alteredq / http://alteredqualia.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author timknip / http://www.floorplanner.com/
+ */
+
+
+THREE.Matrix4 = function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {
+
+ this.elements = new Float32Array( 16 );
+
+ this.set(
+
+ ( n11 !== undefined ) ? n11 : 1, n12 || 0, n13 || 0, n14 || 0,
+ n21 || 0, ( n22 !== undefined ) ? n22 : 1, n23 || 0, n24 || 0,
+ n31 || 0, n32 || 0, ( n33 !== undefined ) ? n33 : 1, n34 || 0,
+ n41 || 0, n42 || 0, n43 || 0, ( n44 !== undefined ) ? n44 : 1
+
+ );
+
+};
+
+THREE.Matrix4.prototype = {
+
+ constructor: THREE.Matrix4,
+
+ set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {
+
+ var te = this.elements;
+
+ te[0] = n11; te[4] = n12; te[8] = n13; te[12] = n14;
+ te[1] = n21; te[5] = n22; te[9] = n23; te[13] = n24;
+ te[2] = n31; te[6] = n32; te[10] = n33; te[14] = n34;
+ te[3] = n41; te[7] = n42; te[11] = n43; te[15] = n44;
+
+ return this;
+
+ },
+
+ identity: function () {
+
+ this.set(
+
+ 1, 0, 0, 0,
+ 0, 1, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ copy: function ( m ) {
+
+ var me = m.elements;
+
+ this.set(
+
+ me[0], me[4], me[8], me[12],
+ me[1], me[5], me[9], me[13],
+ me[2], me[6], me[10], me[14],
+ me[3], me[7], me[11], me[15]
+
+ );
+
+ return this;
+
+ },
+
+ lookAt: function ( eye, target, up ) {
+
+ var te = this.elements;
+
+ var x = THREE.Matrix4.__v1;
+ var y = THREE.Matrix4.__v2;
+ var z = THREE.Matrix4.__v3;
+
+ z.sub( eye, target ).normalize();
+
+ if ( z.length() === 0 ) {
+
+ z.z = 1;
+
+ }
+
+ x.cross( up, z ).normalize();
+
+ if ( x.length() === 0 ) {
+
+ z.x += 0.0001;
+ x.cross( up, z ).normalize();
+
+ }
+
+ y.cross( z, x );
+
+
+ te[0] = x.x; te[4] = y.x; te[8] = z.x;
+ te[1] = x.y; te[5] = y.y; te[9] = z.y;
+ te[2] = x.z; te[6] = y.z; te[10] = z.z;
+
+ return this;
+
+ },
+
+ multiply: function ( a, b ) {
+
+ var ae = a.elements;
+ var be = b.elements;
+ var te = this.elements;
+
+ var a11 = ae[0], a12 = ae[4], a13 = ae[8], a14 = ae[12];
+ var a21 = ae[1], a22 = ae[5], a23 = ae[9], a24 = ae[13];
+ var a31 = ae[2], a32 = ae[6], a33 = ae[10], a34 = ae[14];
+ var a41 = ae[3], a42 = ae[7], a43 = ae[11], a44 = ae[15];
+
+ var b11 = be[0], b12 = be[4], b13 = be[8], b14 = be[12];
+ var b21 = be[1], b22 = be[5], b23 = be[9], b24 = be[13];
+ var b31 = be[2], b32 = be[6], b33 = be[10], b34 = be[14];
+ var b41 = be[3], b42 = be[7], b43 = be[11], b44 = be[15];
+
+ te[0] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;
+ te[4] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;
+ te[8] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;
+ te[12] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;
+
+ te[1] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;
+ te[5] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;
+ te[9] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;
+ te[13] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;
+
+ te[2] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;
+ te[6] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;
+ te[10] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;
+ te[14] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;
+
+ te[3] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;
+ te[7] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;
+ te[11] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;
+ te[15] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;
+
+ return this;
+
+ },
+
+ multiplySelf: function ( m ) {
+
+ return this.multiply( this, m );
+
+ },
+
+ multiplyToArray: function ( a, b, r ) {
+
+ var te = this.elements;
+
+ this.multiply( a, b );
+
+ r[ 0 ] = te[0]; r[ 1 ] = te[1]; r[ 2 ] = te[2]; r[ 3 ] = te[3];
+ r[ 4 ] = te[4]; r[ 5 ] = te[5]; r[ 6 ] = te[6]; r[ 7 ] = te[7];
+ r[ 8 ] = te[8]; r[ 9 ] = te[9]; r[ 10 ] = te[10]; r[ 11 ] = te[11];
+ r[ 12 ] = te[12]; r[ 13 ] = te[13]; r[ 14 ] = te[14]; r[ 15 ] = te[15];
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( s ) {
+
+ var te = this.elements;
+
+ te[0] *= s; te[4] *= s; te[8] *= s; te[12] *= s;
+ te[1] *= s; te[5] *= s; te[9] *= s; te[13] *= s;
+ te[2] *= s; te[6] *= s; te[10] *= s; te[14] *= s;
+ te[3] *= s; te[7] *= s; te[11] *= s; te[15] *= s;
+
+ return this;
+
+ },
+
+ multiplyVector3: function ( v ) {
+
+ var te = this.elements;
+
+ var vx = v.x, vy = v.y, vz = v.z;
+ var d = 1 / ( te[3] * vx + te[7] * vy + te[11] * vz + te[15] );
+
+ v.x = ( te[0] * vx + te[4] * vy + te[8] * vz + te[12] ) * d;
+ v.y = ( te[1] * vx + te[5] * vy + te[9] * vz + te[13] ) * d;
+ v.z = ( te[2] * vx + te[6] * vy + te[10] * vz + te[14] ) * d;
+
+ return v;
+
+ },
+
+ multiplyVector4: function ( v ) {
+
+ var te = this.elements;
+ var vx = v.x, vy = v.y, vz = v.z, vw = v.w;
+
+ v.x = te[0] * vx + te[4] * vy + te[8] * vz + te[12] * vw;
+ v.y = te[1] * vx + te[5] * vy + te[9] * vz + te[13] * vw;
+ v.z = te[2] * vx + te[6] * vy + te[10] * vz + te[14] * vw;
+ v.w = te[3] * vx + te[7] * vy + te[11] * vz + te[15] * vw;
+
+ return v;
+
+ },
+
+ rotateAxis: function ( v ) {
+
+ var te = this.elements;
+ var vx = v.x, vy = v.y, vz = v.z;
+
+ v.x = vx * te[0] + vy * te[4] + vz * te[8];
+ v.y = vx * te[1] + vy * te[5] + vz * te[9];
+ v.z = vx * te[2] + vy * te[6] + vz * te[10];
+
+ v.normalize();
+
+ return v;
+
+ },
+
+ crossVector: function ( a ) {
+
+ var te = this.elements;
+ var v = new THREE.Vector4();
+
+ v.x = te[0] * a.x + te[4] * a.y + te[8] * a.z + te[12] * a.w;
+ v.y = te[1] * a.x + te[5] * a.y + te[9] * a.z + te[13] * a.w;
+ v.z = te[2] * a.x + te[6] * a.y + te[10] * a.z + te[14] * a.w;
+
+ v.w = ( a.w ) ? te[3] * a.x + te[7] * a.y + te[11] * a.z + te[15] * a.w : 1;
+
+ return v;
+
+ },
+
+ determinant: function () {
+
+ var te = this.elements;
+
+ var n11 = te[0], n12 = te[4], n13 = te[8], n14 = te[12];
+ var n21 = te[1], n22 = te[5], n23 = te[9], n24 = te[13];
+ var n31 = te[2], n32 = te[6], n33 = te[10], n34 = te[14];
+ var n41 = te[3], n42 = te[7], n43 = te[11], n44 = te[15];
+
+ //TODO: make this more efficient
+ //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )
+
+ return (
+ n14 * n23 * n32 * n41-
+ n13 * n24 * n32 * n41-
+ n14 * n22 * n33 * n41+
+ n12 * n24 * n33 * n41+
+
+ n13 * n22 * n34 * n41-
+ n12 * n23 * n34 * n41-
+ n14 * n23 * n31 * n42+
+ n13 * n24 * n31 * n42+
+
+ n14 * n21 * n33 * n42-
+ n11 * n24 * n33 * n42-
+ n13 * n21 * n34 * n42+
+ n11 * n23 * n34 * n42+
+
+ n14 * n22 * n31 * n43-
+ n12 * n24 * n31 * n43-
+ n14 * n21 * n32 * n43+
+ n11 * n24 * n32 * n43+
+
+ n12 * n21 * n34 * n43-
+ n11 * n22 * n34 * n43-
+ n13 * n22 * n31 * n44+
+ n12 * n23 * n31 * n44+
+
+ n13 * n21 * n32 * n44-
+ n11 * n23 * n32 * n44-
+ n12 * n21 * n33 * n44+
+ n11 * n22 * n33 * n44
+ );
+
+ },
+
+ transpose: function () {
+
+ var te = this.elements;
+ var tmp;
+
+ tmp = te[1]; te[1] = te[4]; te[4] = tmp;
+ tmp = te[2]; te[2] = te[8]; te[8] = tmp;
+ tmp = te[6]; te[6] = te[9]; te[9] = tmp;
+
+ tmp = te[3]; te[3] = te[12]; te[12] = tmp;
+ tmp = te[7]; te[7] = te[13]; te[13] = tmp;
+ tmp = te[11]; te[11] = te[14]; te[14] = tmp;
+
+ return this;
+
+ },
+
+ flattenToArray: function ( flat ) {
+
+ var te = this.elements;
+ flat[ 0 ] = te[0]; flat[ 1 ] = te[1]; flat[ 2 ] = te[2]; flat[ 3 ] = te[3];
+ flat[ 4 ] = te[4]; flat[ 5 ] = te[5]; flat[ 6 ] = te[6]; flat[ 7 ] = te[7];
+ flat[ 8 ] = te[8]; flat[ 9 ] = te[9]; flat[ 10 ] = te[10]; flat[ 11 ] = te[11];
+ flat[ 12 ] = te[12]; flat[ 13 ] = te[13]; flat[ 14 ] = te[14]; flat[ 15 ] = te[15];
+
+ return flat;
+
+ },
+
+ flattenToArrayOffset: function( flat, offset ) {
+
+ var te = this.elements;
+ flat[ offset ] = te[0];
+ flat[ offset + 1 ] = te[1];
+ flat[ offset + 2 ] = te[2];
+ flat[ offset + 3 ] = te[3];
+
+ flat[ offset + 4 ] = te[4];
+ flat[ offset + 5 ] = te[5];
+ flat[ offset + 6 ] = te[6];
+ flat[ offset + 7 ] = te[7];
+
+ flat[ offset + 8 ] = te[8];
+ flat[ offset + 9 ] = te[9];
+ flat[ offset + 10 ] = te[10];
+ flat[ offset + 11 ] = te[11];
+
+ flat[ offset + 12 ] = te[12];
+ flat[ offset + 13 ] = te[13];
+ flat[ offset + 14 ] = te[14];
+ flat[ offset + 15 ] = te[15];
+
+ return flat;
+
+ },
+
+ getPosition: function () {
+
+ var te = this.elements;
+ return THREE.Matrix4.__v1.set( te[12], te[13], te[14] );
+
+ },
+
+ setPosition: function ( v ) {
+
+ var te = this.elements;
+
+ te[12] = v.x;
+ te[13] = v.y;
+ te[14] = v.z;
+
+ return this;
+
+ },
+
+ getColumnX: function () {
+
+ var te = this.elements;
+ return THREE.Matrix4.__v1.set( te[0], te[1], te[2] );
+
+ },
+
+ getColumnY: function () {
+
+ var te = this.elements;
+ return THREE.Matrix4.__v1.set( te[4], te[5], te[6] );
+
+ },
+
+ getColumnZ: function() {
+
+ var te = this.elements;
+ return THREE.Matrix4.__v1.set( te[8], te[9], te[10] );
+
+ },
+
+ getInverse: function ( m ) {
+
+ // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm
+ var te = this.elements;
+ var me = m.elements;
+
+ var n11 = me[0], n12 = me[4], n13 = me[8], n14 = me[12];
+ var n21 = me[1], n22 = me[5], n23 = me[9], n24 = me[13];
+ var n31 = me[2], n32 = me[6], n33 = me[10], n34 = me[14];
+ var n41 = me[3], n42 = me[7], n43 = me[11], n44 = me[15];
+
+ te[0] = n23*n34*n42 - n24*n33*n42 + n24*n32*n43 - n22*n34*n43 - n23*n32*n44 + n22*n33*n44;
+ te[4] = n14*n33*n42 - n13*n34*n42 - n14*n32*n43 + n12*n34*n43 + n13*n32*n44 - n12*n33*n44;
+ te[8] = n13*n24*n42 - n14*n23*n42 + n14*n22*n43 - n12*n24*n43 - n13*n22*n44 + n12*n23*n44;
+ te[12] = n14*n23*n32 - n13*n24*n32 - n14*n22*n33 + n12*n24*n33 + n13*n22*n34 - n12*n23*n34;
+ te[1] = n24*n33*n41 - n23*n34*n41 - n24*n31*n43 + n21*n34*n43 + n23*n31*n44 - n21*n33*n44;
+ te[5] = n13*n34*n41 - n14*n33*n41 + n14*n31*n43 - n11*n34*n43 - n13*n31*n44 + n11*n33*n44;
+ te[9] = n14*n23*n41 - n13*n24*n41 - n14*n21*n43 + n11*n24*n43 + n13*n21*n44 - n11*n23*n44;
+ te[13] = n13*n24*n31 - n14*n23*n31 + n14*n21*n33 - n11*n24*n33 - n13*n21*n34 + n11*n23*n34;
+ te[2] = n22*n34*n41 - n24*n32*n41 + n24*n31*n42 - n21*n34*n42 - n22*n31*n44 + n21*n32*n44;
+ te[6] = n14*n32*n41 - n12*n34*n41 - n14*n31*n42 + n11*n34*n42 + n12*n31*n44 - n11*n32*n44;
+ te[10] = n12*n24*n41 - n14*n22*n41 + n14*n21*n42 - n11*n24*n42 - n12*n21*n44 + n11*n22*n44;
+ te[14] = n14*n22*n31 - n12*n24*n31 - n14*n21*n32 + n11*n24*n32 + n12*n21*n34 - n11*n22*n34;
+ te[3] = n23*n32*n41 - n22*n33*n41 - n23*n31*n42 + n21*n33*n42 + n22*n31*n43 - n21*n32*n43;
+ te[7] = n12*n33*n41 - n13*n32*n41 + n13*n31*n42 - n11*n33*n42 - n12*n31*n43 + n11*n32*n43;
+ te[11] = n13*n22*n41 - n12*n23*n41 - n13*n21*n42 + n11*n23*n42 + n12*n21*n43 - n11*n22*n43;
+ te[15] = n12*n23*n31 - n13*n22*n31 + n13*n21*n32 - n11*n23*n32 - n12*n21*n33 + n11*n22*n33;
+ this.multiplyScalar( 1 / m.determinant() );
+
+ return this;
+
+ },
+
+ setRotationFromEuler: function( v, order ) {
+
+ var te = this.elements;
+
+ var x = v.x, y = v.y, z = v.z;
+ var a = Math.cos( x ), b = Math.sin( x );
+ var c = Math.cos( y ), d = Math.sin( y );
+ var e = Math.cos( z ), f = Math.sin( z );
+
+ switch ( order ) {
+
+ case 'YXZ':
+
+ var ce = c * e, cf = c * f, de = d * e, df = d * f;
+
+ te[0] = ce + df * b;
+ te[4] = de * b - cf;
+ te[8] = a * d;
+
+ te[1] = a * f;
+ te[5] = a * e;
+ te[9] = - b;
+
+ te[2] = cf * b - de;
+ te[6] = df + ce * b;
+ te[10] = a * c;
+ break;
+
+ case 'ZXY':
+
+ var ce = c * e, cf = c * f, de = d * e, df = d * f;
+
+ te[0] = ce - df * b;
+ te[4] = - a * f;
+ te[8] = de + cf * b;
+
+ te[1] = cf + de * b;
+ te[5] = a * e;
+ te[9] = df - ce * b;
+
+ te[2] = - a * d;
+ te[6] = b;
+ te[10] = a * c;
+ break;
+
+ case 'ZYX':
+
+ var ae = a * e, af = a * f, be = b * e, bf = b * f;
+
+ te[0] = c * e;
+ te[4] = be * d - af;
+ te[8] = ae * d + bf;
+
+ te[1] = c * f;
+ te[5] = bf * d + ae;
+ te[9] = af * d - be;
+
+ te[2] = - d;
+ te[6] = b * c;
+ te[10] = a * c;
+ break;
+
+ case 'YZX':
+
+ var ac = a * c, ad = a * d, bc = b * c, bd = b * d;
+
+ te[0] = c * e;
+ te[4] = bd - ac * f;
+ te[8] = bc * f + ad;
+
+ te[1] = f;
+ te[5] = a * e;
+ te[9] = - b * e;
+
+ te[2] = - d * e;
+ te[6] = ad * f + bc;
+ te[10] = ac - bd * f;
+ break;
+
+ case 'XZY':
+
+ var ac = a * c, ad = a * d, bc = b * c, bd = b * d;
+
+ te[0] = c * e;
+ te[4] = - f;
+ te[8] = d * e;
+
+ te[1] = ac * f + bd;
+ te[5] = a * e;
+ te[9] = ad * f - bc;
+
+ te[2] = bc * f - ad;
+ te[6] = b * e;
+ te[10] = bd * f + ac;
+ break;
+
+ default: // 'XYZ'
+
+ var ae = a * e, af = a * f, be = b * e, bf = b * f;
+
+ te[0] = c * e;
+ te[4] = - c * f;
+ te[8] = d;
+
+ te[1] = af + be * d;
+ te[5] = ae - bf * d;
+ te[9] = - b * c;
+
+ te[2] = bf - ae * d;
+ te[6] = be + af * d;
+ te[10] = a * c;
+ break;
+
+ }
+
+ return this;
+
+ },
+
+
+ setRotationFromQuaternion: function( q ) {
+
+ var te = this.elements;
+
+ var x = q.x, y = q.y, z = q.z, w = q.w;
+ var x2 = x + x, y2 = y + y, z2 = z + z;
+ var xx = x * x2, xy = x * y2, xz = x * z2;
+ var yy = y * y2, yz = y * z2, zz = z * z2;
+ var wx = w * x2, wy = w * y2, wz = w * z2;
+
+ te[0] = 1 - ( yy + zz );
+ te[4] = xy - wz;
+ te[8] = xz + wy;
+
+ te[1] = xy + wz;
+ te[5] = 1 - ( xx + zz );
+ te[9] = yz - wx;
+
+ te[2] = xz - wy;
+ te[6] = yz + wx;
+ te[10] = 1 - ( xx + yy );
+
+ return this;
+
+ },
+
+ compose: function ( translation, rotation, scale ) {
+
+ var te = this.elements;
+ var mRotation = THREE.Matrix4.__m1;
+ var mScale = THREE.Matrix4.__m2;
+
+ mRotation.identity();
+ mRotation.setRotationFromQuaternion( rotation );
+
+ mScale.makeScale( scale.x, scale.y, scale.z );
+
+ this.multiply( mRotation, mScale );
+
+ te[12] = translation.x;
+ te[13] = translation.y;
+ te[14] = translation.z;
+
+ return this;
+
+ },
+
+ decompose: function ( translation, rotation, scale ) {
+
+ var te = this.elements;
+
+ // grab the axis vectors
+ var x = THREE.Matrix4.__v1;
+ var y = THREE.Matrix4.__v2;
+ var z = THREE.Matrix4.__v3;
+
+ x.set( te[0], te[1], te[2] );
+ y.set( te[4], te[5], te[6] );
+ z.set( te[8], te[9], te[10] );
+
+ translation = ( translation instanceof THREE.Vector3 ) ? translation : new THREE.Vector3();
+ rotation = ( rotation instanceof THREE.Quaternion ) ? rotation : new THREE.Quaternion();
+ scale = ( scale instanceof THREE.Vector3 ) ? scale : new THREE.Vector3();
+
+ scale.x = x.length();
+ scale.y = y.length();
+ scale.z = z.length();
+
+ translation.x = te[12];
+ translation.y = te[13];
+ translation.z = te[14];
+
+ // scale the rotation part
+
+ var matrix = THREE.Matrix4.__m1;
+
+ matrix.copy( this );
+
+ matrix.elements[0] /= scale.x;
+ matrix.elements[1] /= scale.x;
+ matrix.elements[2] /= scale.x;
+
+ matrix.elements[4] /= scale.y;
+ matrix.elements[5] /= scale.y;
+ matrix.elements[6] /= scale.y;
+
+ matrix.elements[8] /= scale.z;
+ matrix.elements[9] /= scale.z;
+ matrix.elements[10] /= scale.z;
+
+ rotation.setFromRotationMatrix( matrix );
+
+ return [ translation, rotation, scale ];
+
+ },
+
+ extractPosition: function ( m ) {
+
+ var te = this.elements;
+ var me = m.elements;
+
+ te[12] = me[12];
+ te[13] = me[13];
+ te[14] = me[14];
+
+ return this;
+
+ },
+
+ extractRotation: function ( m ) {
+
+ var te = this.elements;
+ var me = m.elements;
+
+ var vector = THREE.Matrix4.__v1;
+
+ var scaleX = 1 / vector.set( me[0], me[1], me[2] ).length();
+ var scaleY = 1 / vector.set( me[4], me[5], me[6] ).length();
+ var scaleZ = 1 / vector.set( me[8], me[9], me[10] ).length();
+
+ te[0] = me[0] * scaleX;
+ te[1] = me[1] * scaleX;
+ te[2] = me[2] * scaleX;
+
+ te[4] = me[4] * scaleY;
+ te[5] = me[5] * scaleY;
+ te[6] = me[6] * scaleY;
+
+ te[8] = me[8] * scaleZ;
+ te[9] = me[9] * scaleZ;
+ te[10] = me[10] * scaleZ;
+
+ return this;
+
+ },
+
+ //
+
+ translate: function ( v ) {
+
+ var te = this.elements;
+ var x = v.x, y = v.y, z = v.z;
+
+ te[12] = te[0] * x + te[4] * y + te[8] * z + te[12];
+ te[13] = te[1] * x + te[5] * y + te[9] * z + te[13];
+ te[14] = te[2] * x + te[6] * y + te[10] * z + te[14];
+ te[15] = te[3] * x + te[7] * y + te[11] * z + te[15];
+
+ return this;
+
+ },
+
+ rotateX: function ( angle ) {
+
+ var te = this.elements;
+ var m12 = te[4];
+ var m22 = te[5];
+ var m32 = te[6];
+ var m42 = te[7];
+ var m13 = te[8];
+ var m23 = te[9];
+ var m33 = te[10];
+ var m43 = te[11];
+ var c = Math.cos( angle );
+ var s = Math.sin( angle );
+
+ te[4] = c * m12 + s * m13;
+ te[5] = c * m22 + s * m23;
+ te[6] = c * m32 + s * m33;
+ te[7] = c * m42 + s * m43;
+
+ te[8] = c * m13 - s * m12;
+ te[9] = c * m23 - s * m22;
+ te[10] = c * m33 - s * m32;
+ te[11] = c * m43 - s * m42;
+
+ return this;
+
+ },
+
+ rotateY: function ( angle ) {
+
+ var te = this.elements;
+ var m11 = te[0];
+ var m21 = te[1];
+ var m31 = te[2];
+ var m41 = te[3];
+ var m13 = te[8];
+ var m23 = te[9];
+ var m33 = te[10];
+ var m43 = te[11];
+ var c = Math.cos( angle );
+ var s = Math.sin( angle );
+
+ te[0] = c * m11 - s * m13;
+ te[1] = c * m21 - s * m23;
+ te[2] = c * m31 - s * m33;
+ te[3] = c * m41 - s * m43;
+
+ te[8] = c * m13 + s * m11;
+ te[9] = c * m23 + s * m21;
+ te[10] = c * m33 + s * m31;
+ te[11] = c * m43 + s * m41;
+
+ return this;
+
+ },
+
+ rotateZ: function ( angle ) {
+
+ var te = this.elements;
+ var m11 = te[0];
+ var m21 = te[1];
+ var m31 = te[2];
+ var m41 = te[3];
+ var m12 = te[4];
+ var m22 = te[5];
+ var m32 = te[6];
+ var m42 = te[7];
+ var c = Math.cos( angle );
+ var s = Math.sin( angle );
+
+ te[0] = c * m11 + s * m12;
+ te[1] = c * m21 + s * m22;
+ te[2] = c * m31 + s * m32;
+ te[3] = c * m41 + s * m42;
+
+ te[4] = c * m12 - s * m11;
+ te[5] = c * m22 - s * m21;
+ te[6] = c * m32 - s * m31;
+ te[7] = c * m42 - s * m41;
+
+ return this;
+
+ },
+
+ rotateByAxis: function ( axis, angle ) {
+
+ var te = this.elements;
+
+ // optimize by checking axis
+
+ if ( axis.x === 1 && axis.y === 0 && axis.z === 0 ) {
+
+ return this.rotateX( angle );
+
+ } else if ( axis.x === 0 && axis.y === 1 && axis.z === 0 ) {
+
+ return this.rotateY( angle );
+
+ } else if ( axis.x === 0 && axis.y === 0 && axis.z === 1 ) {
+
+ return this.rotateZ( angle );
+
+ }
+
+ var x = axis.x, y = axis.y, z = axis.z;
+ var n = Math.sqrt(x * x + y * y + z * z);
+
+ x /= n;
+ y /= n;
+ z /= n;
+
+ var xx = x * x, yy = y * y, zz = z * z;
+ var c = Math.cos( angle );
+ var s = Math.sin( angle );
+ var oneMinusCosine = 1 - c;
+ var xy = x * y * oneMinusCosine;
+ var xz = x * z * oneMinusCosine;
+ var yz = y * z * oneMinusCosine;
+ var xs = x * s;
+ var ys = y * s;
+ var zs = z * s;
+
+ var r11 = xx + (1 - xx) * c;
+ var r21 = xy + zs;
+ var r31 = xz - ys;
+ var r12 = xy - zs;
+ var r22 = yy + (1 - yy) * c;
+ var r32 = yz + xs;
+ var r13 = xz + ys;
+ var r23 = yz - xs;
+ var r33 = zz + (1 - zz) * c;
+
+ var m11 = te[0], m21 = te[1], m31 = te[2], m41 = te[3];
+ var m12 = te[4], m22 = te[5], m32 = te[6], m42 = te[7];
+ var m13 = te[8], m23 = te[9], m33 = te[10], m43 = te[11];
+ var m14 = te[12], m24 = te[13], m34 = te[14], m44 = te[15];
+
+ te[0] = r11 * m11 + r21 * m12 + r31 * m13;
+ te[1] = r11 * m21 + r21 * m22 + r31 * m23;
+ te[2] = r11 * m31 + r21 * m32 + r31 * m33;
+ te[3] = r11 * m41 + r21 * m42 + r31 * m43;
+
+ te[4] = r12 * m11 + r22 * m12 + r32 * m13;
+ te[5] = r12 * m21 + r22 * m22 + r32 * m23;
+ te[6] = r12 * m31 + r22 * m32 + r32 * m33;
+ te[7] = r12 * m41 + r22 * m42 + r32 * m43;
+
+ te[8] = r13 * m11 + r23 * m12 + r33 * m13;
+ te[9] = r13 * m21 + r23 * m22 + r33 * m23;
+ te[10] = r13 * m31 + r23 * m32 + r33 * m33;
+ te[11] = r13 * m41 + r23 * m42 + r33 * m43;
+
+ return this;
+
+ },
+
+ scale: function ( v ) {
+
+ var te = this.elements;
+ var x = v.x, y = v.y, z = v.z;
+
+ te[0] *= x; te[4] *= y; te[8] *= z;
+ te[1] *= x; te[5] *= y; te[9] *= z;
+ te[2] *= x; te[6] *= y; te[10] *= z;
+ te[3] *= x; te[7] *= y; te[11] *= z;
+
+ return this;
+
+ },
+
+ getMaxScaleOnAxis: function () {
+
+ var te = this.elements;
+
+ var scaleXSq = te[0] * te[0] + te[1] * te[1] + te[2] * te[2];
+ var scaleYSq = te[4] * te[4] + te[5] * te[5] + te[6] * te[6];
+ var scaleZSq = te[8] * te[8] + te[9] * te[9] + te[10] * te[10];
+
+ return Math.sqrt( Math.max( scaleXSq, Math.max( scaleYSq, scaleZSq ) ) );
+
+ },
+
+ //
+
+ makeTranslation: function ( x, y, z ) {
+
+ this.set(
+
+ 1, 0, 0, x,
+ 0, 1, 0, y,
+ 0, 0, 1, z,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationX: function ( theta ) {
+
+ var c = Math.cos( theta ), s = Math.sin( theta );
+
+ this.set(
+
+ 1, 0, 0, 0,
+ 0, c, -s, 0,
+ 0, s, c, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationY: function ( theta ) {
+
+ var c = Math.cos( theta ), s = Math.sin( theta );
+
+ this.set(
+
+ c, 0, s, 0,
+ 0, 1, 0, 0,
+ -s, 0, c, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationZ: function ( theta ) {
+
+ var c = Math.cos( theta ), s = Math.sin( theta );
+
+ this.set(
+
+ c, -s, 0, 0,
+ s, c, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationAxis: function ( axis, angle ) {
+
+ // Based on http://www.gamedev.net/reference/articles/article1199.asp
+
+ var c = Math.cos( angle );
+ var s = Math.sin( angle );
+ var t = 1 - c;
+ var x = axis.x, y = axis.y, z = axis.z;
+ var tx = t * x, ty = t * y;
+
+ this.set(
+
+ tx * x + c, tx * y - s * z, tx * z + s * y, 0,
+ tx * y + s * z, ty * y + c, ty * z - s * x, 0,
+ tx * z - s * y, ty * z + s * x, t * z * z + c, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeScale: function ( x, y, z ) {
+
+ this.set(
+
+ x, 0, 0, 0,
+ 0, y, 0, 0,
+ 0, 0, z, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeFrustum: function ( left, right, bottom, top, near, far ) {
+
+ var te = this.elements;
+ var x = 2 * near / ( right - left );
+ var y = 2 * near / ( top - bottom );
+
+ var a = ( right + left ) / ( right - left );
+ var b = ( top + bottom ) / ( top - bottom );
+ var c = - ( far + near ) / ( far - near );
+ var d = - 2 * far * near / ( far - near );
+
+ te[0] = x; te[4] = 0; te[8] = a; te[12] = 0;
+ te[1] = 0; te[5] = y; te[9] = b; te[13] = 0;
+ te[2] = 0; te[6] = 0; te[10] = c; te[14] = d;
+ te[3] = 0; te[7] = 0; te[11] = - 1; te[15] = 0;
+
+ return this;
+
+ },
+
+ makePerspective: function ( fov, aspect, near, far ) {
+
+ var ymax = near * Math.tan( fov * Math.PI / 360 );
+ var ymin = - ymax;
+ var xmin = ymin * aspect;
+ var xmax = ymax * aspect;
+
+ return this.makeFrustum( xmin, xmax, ymin, ymax, near, far );
+
+ },
+
+ makeOrthographic: function ( left, right, top, bottom, near, far ) {
+
+ var te = this.elements;
+ var w = right - left;
+ var h = top - bottom;
+ var p = far - near;
+
+ var x = ( right + left ) / w;
+ var y = ( top + bottom ) / h;
+ var z = ( far + near ) / p;
+
+ te[0] = 2 / w; te[4] = 0; te[8] = 0; te[12] = -x;
+ te[1] = 0; te[5] = 2 / h; te[9] = 0; te[13] = -y;
+ te[2] = 0; te[6] = 0; te[10] = -2 / p; te[14] = -z;
+ te[3] = 0; te[7] = 0; te[11] = 0; te[15] = 1;
+
+ return this;
+
+ },
+
+
+ clone: function () {
+
+ var te = this.elements;
+
+ return new THREE.Matrix4(
+
+ te[0], te[4], te[8], te[12],
+ te[1], te[5], te[9], te[13],
+ te[2], te[6], te[10], te[14],
+ te[3], te[7], te[11], te[15]
+
+ );
+
+ }
+
+};
+
+THREE.Matrix4.__v1 = new THREE.Vector3();
+THREE.Matrix4.__v2 = new THREE.Vector3();
+THREE.Matrix4.__v3 = new THREE.Vector3();
+
+THREE.Matrix4.__m1 = new THREE.Matrix4();
+THREE.Matrix4.__m2 = new THREE.Matrix4();
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Object3D = function () {
+
+ this.id = THREE.Object3DCount ++;
+
+ this.name = '';
+
+ this.parent = undefined;
+ this.children = [];
+
+ this.up = new THREE.Vector3( 0, 1, 0 );
+
+ this.position = new THREE.Vector3();
+ this.rotation = new THREE.Vector3();
+ this.eulerOrder = 'XYZ';
+ this.scale = new THREE.Vector3( 1, 1, 1 );
+
+ this.doubleSided = false;
+ this.flipSided = false;
+
+ this.renderDepth = null;
+
+ this.rotationAutoUpdate = true;
+
+ this.matrix = new THREE.Matrix4();
+ this.matrixWorld = new THREE.Matrix4();
+ this.matrixRotationWorld = new THREE.Matrix4();
+
+ this.matrixAutoUpdate = true;
+ this.matrixWorldNeedsUpdate = true;
+
+ this.quaternion = new THREE.Quaternion();
+ this.useQuaternion = false;
+
+ this.boundRadius = 0.0;
+ this.boundRadiusScale = 1.0;
+
+ this.visible = true;
+
+ this.castShadow = false;
+ this.receiveShadow = false;
+
+ this.frustumCulled = true;
+
+ this._vector = new THREE.Vector3();
+
+};
+
+
+THREE.Object3D.prototype = {
+
+ constructor: THREE.Object3D,
+
+ applyMatrix: function ( matrix ) {
+
+ this.matrix.multiply( matrix, this.matrix );
+
+ this.scale.getScaleFromMatrix( this.matrix );
+ this.rotation.getRotationFromMatrix( this.matrix, this.scale );
+ this.position.getPositionFromMatrix( this.matrix );
+
+ },
+
+ translate: function ( distance, axis ) {
+
+ this.matrix.rotateAxis( axis );
+ this.position.addSelf( axis.multiplyScalar( distance ) );
+
+ },
+
+ translateX: function ( distance ) {
+
+ this.translate( distance, this._vector.set( 1, 0, 0 ) );
+
+ },
+
+ translateY: function ( distance ) {
+
+ this.translate( distance, this._vector.set( 0, 1, 0 ) );
+
+ },
+
+ translateZ: function ( distance ) {
+
+ this.translate( distance, this._vector.set( 0, 0, 1 ) );
+
+ },
+
+ lookAt: function ( vector ) {
+
+ // TODO: Add hierarchy support.
+
+ this.matrix.lookAt( vector, this.position, this.up );
+
+ if ( this.rotationAutoUpdate ) {
+
+ this.rotation.getRotationFromMatrix( this.matrix );
+
+ }
+
+ },
+
+ add: function ( object ) {
+
+ if ( object === this ) {
+
+ console.warn( 'THREE.Object3D.add: An object can\'t be added as a child of itself.' );
+ return;
+
+ }
+
+ if ( object instanceof THREE.Object3D ) { // && this.children.indexOf( object ) === - 1
+
+ if ( object.parent !== undefined ) {
+
+ object.parent.remove( object );
+
+ }
+
+ object.parent = this;
+ this.children.push( object );
+
+ // add to scene
+
+ var scene = this;
+
+ while ( scene.parent !== undefined ) {
+
+ scene = scene.parent;
+
+ }
+
+ if ( scene !== undefined && scene instanceof THREE.Scene ) {
+
+ scene.__addObject( object );
+
+ }
+
+ }
+
+ },
+
+ remove: function ( object ) {
+
+ var index = this.children.indexOf( object );
+
+ if ( index !== - 1 ) {
+
+ object.parent = undefined;
+ this.children.splice( index, 1 );
+
+ // remove from scene
+
+ var scene = this;
+
+ while ( scene.parent !== undefined ) {
+
+ scene = scene.parent;
+
+ }
+
+ if ( scene !== undefined && scene instanceof THREE.Scene ) {
+
+ scene.__removeObject( object );
+
+ }
+
+ }
+
+ },
+
+ getChildByName: function ( name, recursive ) {
+
+ var c, cl, child;
+
+ for ( c = 0, cl = this.children.length; c < cl; c ++ ) {
+
+ child = this.children[ c ];
+
+ if ( child.name === name ) {
+
+ return child;
+
+ }
+
+ if ( recursive ) {
+
+ child = child.getChildByName( name, recursive );
+
+ if ( child !== undefined ) {
+
+ return child;
+
+ }
+
+ }
+
+ }
+
+ return undefined;
+
+ },
+
+ updateMatrix: function () {
+
+ this.matrix.setPosition( this.position );
+
+ if ( this.useQuaternion ) {
+
+ this.matrix.setRotationFromQuaternion( this.quaternion );
+
+ } else {
+
+ this.matrix.setRotationFromEuler( this.rotation, this.eulerOrder );
+
+ }
+
+ if ( this.scale.x !== 1 || this.scale.y !== 1 || this.scale.z !== 1 ) {
+
+ this.matrix.scale( this.scale );
+ this.boundRadiusScale = Math.max( this.scale.x, Math.max( this.scale.y, this.scale.z ) );
+
+ }
+
+ this.matrixWorldNeedsUpdate = true;
+
+ },
+
+ updateMatrixWorld: function ( force ) {
+
+ this.matrixAutoUpdate && this.updateMatrix();
+
+ // update matrixWorld
+
+ if ( this.matrixWorldNeedsUpdate || force ) {
+
+ if ( this.parent ) {
+
+ this.matrixWorld.multiply( this.parent.matrixWorld, this.matrix );
+
+ } else {
+
+ this.matrixWorld.copy( this.matrix );
+
+ }
+
+ this.matrixWorldNeedsUpdate = false;
+
+ force = true;
+
+ }
+
+ // update children
+
+ for ( var i = 0, l = this.children.length; i < l; i ++ ) {
+
+ this.children[ i ].updateMatrixWorld( force );
+
+ }
+
+ }
+
+};
+
+THREE.Object3DCount = 0;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author supereggbert / http://www.paulbrunt.co.uk/
+ * @author julianwa / https://github.com/julianwa
+ */
+
+THREE.Projector = function() {
+
+ var _object, _objectCount, _objectPool = [],
+ _vertex, _vertexCount, _vertexPool = [],
+ _face, _face3Count, _face3Pool = [], _face4Count, _face4Pool = [],
+ _line, _lineCount, _linePool = [],
+ _particle, _particleCount, _particlePool = [],
+
+ _renderData = { objects: [], sprites: [], lights: [], elements: [] },
+
+ _vector3 = new THREE.Vector3(),
+ _vector4 = new THREE.Vector4(),
+
+ _projScreenMatrix = new THREE.Matrix4(),
+ _projScreenobjectMatrixWorld = new THREE.Matrix4(),
+
+ _frustum = new THREE.Frustum(),
+
+ _clippedVertex1PositionScreen = new THREE.Vector4(),
+ _clippedVertex2PositionScreen = new THREE.Vector4(),
+
+ _face3VertexNormals;
+
+ this.projectVector = function ( vector, camera ) {
+
+ camera.matrixWorldInverse.getInverse( camera.matrixWorld );
+
+ _projScreenMatrix.multiply( camera.projectionMatrix, camera.matrixWorldInverse );
+ _projScreenMatrix.multiplyVector3( vector );
+
+ return vector;
+
+ };
+
+ this.unprojectVector = function ( vector, camera ) {
+
+ camera.projectionMatrixInverse.getInverse( camera.projectionMatrix );
+
+ _projScreenMatrix.multiply( camera.matrixWorld, camera.projectionMatrixInverse );
+ _projScreenMatrix.multiplyVector3( vector );
+
+ return vector;
+
+ };
+
+ this.pickingRay = function ( vector, camera ) {
+
+ var end, ray, t;
+
+ // set two vectors with opposing z values
+ vector.z = -1.0;
+ end = new THREE.Vector3( vector.x, vector.y, 1.0 );
+
+ this.unprojectVector( vector, camera );
+ this.unprojectVector( end, camera );
+
+ // find direction from vector to end
+ end.subSelf( vector ).normalize();
+
+ return new THREE.Ray( vector, end );
+
+ };
+
+ this.projectGraph = function ( root, sort ) {
+
+ _objectCount = 0;
+
+ _renderData.objects.length = 0;
+ _renderData.sprites.length = 0;
+ _renderData.lights.length = 0;
+
+ var projectObject = function ( object ) {
+
+ if ( object.visible === false ) return;
+
+ if ( ( object instanceof THREE.Mesh || object instanceof THREE.Line ) &&
+ ( object.frustumCulled === false || _frustum.contains( object ) ) ) {
+
+ _vector3.copy( object.matrixWorld.getPosition() );
+ _projScreenMatrix.multiplyVector3( _vector3 );
+
+ _object = getNextObjectInPool();
+ _object.object = object;
+ _object.z = _vector3.z;
+
+ _renderData.objects.push( _object );
+
+ } else if ( object instanceof THREE.Sprite || object instanceof THREE.Particle ) {
+
+ _vector3.copy( object.matrixWorld.getPosition() );
+ _projScreenMatrix.multiplyVector3( _vector3 );
+
+ _object = getNextObjectInPool();
+ _object.object = object;
+ _object.z = _vector3.z;
+
+ _renderData.sprites.push( _object );
+
+ } else if ( object instanceof THREE.Light ) {
+
+ _renderData.lights.push( object );
+
+ }
+
+ for ( var c = 0, cl = object.children.length; c < cl; c ++ ) {
+
+ projectObject( object.children[ c ] );
+
+ }
+
+ };
+
+ projectObject( root );
+
+ sort && _renderData.objects.sort( painterSort );
+
+ return _renderData;
+
+ };
+
+ this.projectScene = function ( scene, camera, sort ) {
+
+ var near = camera.near, far = camera.far, visible = false,
+ o, ol, v, vl, f, fl, n, nl, c, cl, u, ul, object,
+ objectMatrixWorld, objectMatrixWorldRotation,
+ geometry, geometryMaterials, vertices, vertex, vertexPositionScreen,
+ faces, face, faceVertexNormals, normal, faceVertexUvs, uvs,
+ v1, v2, v3, v4;
+
+ _face3Count = 0;
+ _face4Count = 0;
+ _lineCount = 0;
+ _particleCount = 0;
+
+ _renderData.elements.length = 0;
+
+ if ( camera.parent === undefined ) {
+
+ console.warn( 'DEPRECATED: Camera hasn\'t been added to a Scene. Adding it...' );
+ scene.add( camera );
+
+ }
+
+ scene.updateMatrixWorld();
+
+ camera.matrixWorldInverse.getInverse( camera.matrixWorld );
+
+ _projScreenMatrix.multiply( camera.projectionMatrix, camera.matrixWorldInverse );
+
+ _frustum.setFromMatrix( _projScreenMatrix );
+
+ _renderData = this.projectGraph( scene, false );
+
+ for ( o = 0, ol = _renderData.objects.length; o < ol; o++ ) {
+
+ object = _renderData.objects[ o ].object;
+
+ objectMatrixWorld = object.matrixWorld;
+
+ _vertexCount = 0;
+
+ if ( object instanceof THREE.Mesh ) {
+
+ geometry = object.geometry;
+ geometryMaterials = object.geometry.materials;
+ vertices = geometry.vertices;
+ faces = geometry.faces;
+ faceVertexUvs = geometry.faceVertexUvs;
+
+ objectMatrixWorldRotation = object.matrixRotationWorld.extractRotation( objectMatrixWorld );
+
+ for ( v = 0, vl = vertices.length; v < vl; v ++ ) {
+
+ _vertex = getNextVertexInPool();
+ _vertex.positionWorld.copy( vertices[ v ] );
+
+ objectMatrixWorld.multiplyVector3( _vertex.positionWorld );
+
+ _vertex.positionScreen.copy( _vertex.positionWorld );
+ _projScreenMatrix.multiplyVector4( _vertex.positionScreen );
+
+ _vertex.positionScreen.x /= _vertex.positionScreen.w;
+ _vertex.positionScreen.y /= _vertex.positionScreen.w;
+
+ _vertex.visible = _vertex.positionScreen.z > near && _vertex.positionScreen.z < far;
+
+ }
+
+ for ( f = 0, fl = faces.length; f < fl; f ++ ) {
+
+ face = faces[ f ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ v1 = _vertexPool[ face.a ];
+ v2 = _vertexPool[ face.b ];
+ v3 = _vertexPool[ face.c ];
+
+ if ( v1.visible && v2.visible && v3.visible ) {
+
+ visible = ( ( v3.positionScreen.x - v1.positionScreen.x ) * ( v2.positionScreen.y - v1.positionScreen.y ) -
+ ( v3.positionScreen.y - v1.positionScreen.y ) * ( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
+
+ if ( object.doubleSided || visible != object.flipSided ) {
+
+ _face = getNextFace3InPool();
+
+ _face.v1.copy( v1 );
+ _face.v2.copy( v2 );
+ _face.v3.copy( v3 );
+
+ } else {
+
+ continue;
+
+ }
+
+ } else {
+
+ continue;
+
+ }
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ v1 = _vertexPool[ face.a ];
+ v2 = _vertexPool[ face.b ];
+ v3 = _vertexPool[ face.c ];
+ v4 = _vertexPool[ face.d ];
+
+ if ( v1.visible && v2.visible && v3.visible && v4.visible ) {
+
+ visible = ( v4.positionScreen.x - v1.positionScreen.x ) * ( v2.positionScreen.y - v1.positionScreen.y ) -
+ ( v4.positionScreen.y - v1.positionScreen.y ) * ( v2.positionScreen.x - v1.positionScreen.x ) < 0 ||
+ ( v2.positionScreen.x - v3.positionScreen.x ) * ( v4.positionScreen.y - v3.positionScreen.y ) -
+ ( v2.positionScreen.y - v3.positionScreen.y ) * ( v4.positionScreen.x - v3.positionScreen.x ) < 0;
+
+
+ if ( object.doubleSided || visible != object.flipSided ) {
+
+ _face = getNextFace4InPool();
+
+ _face.v1.copy( v1 );
+ _face.v2.copy( v2 );
+ _face.v3.copy( v3 );
+ _face.v4.copy( v4 );
+
+ } else {
+
+ continue;
+
+ }
+
+ } else {
+
+ continue;
+
+ }
+
+ }
+
+ _face.normalWorld.copy( face.normal );
+ if ( !visible && ( object.flipSided || object.doubleSided ) ) _face.normalWorld.negate();
+ objectMatrixWorldRotation.multiplyVector3( _face.normalWorld );
+
+ _face.centroidWorld.copy( face.centroid );
+ objectMatrixWorld.multiplyVector3( _face.centroidWorld );
+
+ _face.centroidScreen.copy( _face.centroidWorld );
+ _projScreenMatrix.multiplyVector3( _face.centroidScreen );
+
+ faceVertexNormals = face.vertexNormals;
+
+ for ( n = 0, nl = faceVertexNormals.length; n < nl; n ++ ) {
+
+ normal = _face.vertexNormalsWorld[ n ];
+ normal.copy( faceVertexNormals[ n ] );
+ if ( !visible && ( object.flipSided || object.doubleSided ) ) normal.negate();
+ objectMatrixWorldRotation.multiplyVector3( normal );
+
+ }
+
+ for ( c = 0, cl = faceVertexUvs.length; c < cl; c ++ ) {
+
+ uvs = faceVertexUvs[ c ][ f ];
+
+ if ( !uvs ) continue;
+
+ for ( u = 0, ul = uvs.length; u < ul; u ++ ) {
+
+ _face.uvs[ c ][ u ] = uvs[ u ];
+
+ }
+
+ }
+
+ _face.material = object.material;
+ _face.faceMaterial = face.materialIndex !== null ? geometryMaterials[ face.materialIndex ] : null;
+
+ _face.z = _face.centroidScreen.z;
+
+ _renderData.elements.push( _face );
+
+ }
+
+ } else if ( object instanceof THREE.Line ) {
+
+ _projScreenobjectMatrixWorld.multiply( _projScreenMatrix, objectMatrixWorld );
+
+ vertices = object.geometry.vertices;
+
+ v1 = getNextVertexInPool();
+ v1.positionScreen.copy( vertices[ 0 ] );
+ _projScreenobjectMatrixWorld.multiplyVector4( v1.positionScreen );
+
+ // Handle LineStrip and LinePieces
+ var step = object.type === THREE.LinePieces ? 2 : 1;
+
+ for ( v = 1, vl = vertices.length; v < vl; v ++ ) {
+
+ v1 = getNextVertexInPool();
+ v1.positionScreen.copy( vertices[ v ] );
+ _projScreenobjectMatrixWorld.multiplyVector4( v1.positionScreen );
+
+ if ( ( v + 1 ) % step > 0 ) continue;
+
+ v2 = _vertexPool[ _vertexCount - 2 ];
+
+ _clippedVertex1PositionScreen.copy( v1.positionScreen );
+ _clippedVertex2PositionScreen.copy( v2.positionScreen );
+
+ if ( clipLine( _clippedVertex1PositionScreen, _clippedVertex2PositionScreen ) ) {
+
+ // Perform the perspective divide
+ _clippedVertex1PositionScreen.multiplyScalar( 1 / _clippedVertex1PositionScreen.w );
+ _clippedVertex2PositionScreen.multiplyScalar( 1 / _clippedVertex2PositionScreen.w );
+
+ _line = getNextLineInPool();
+ _line.v1.positionScreen.copy( _clippedVertex1PositionScreen );
+ _line.v2.positionScreen.copy( _clippedVertex2PositionScreen );
+
+ _line.z = Math.max( _clippedVertex1PositionScreen.z, _clippedVertex2PositionScreen.z );
+
+ _line.material = object.material;
+
+ _renderData.elements.push( _line );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ for ( o = 0, ol = _renderData.sprites.length; o < ol; o++ ) {
+
+ object = _renderData.sprites[ o ].object;
+
+ objectMatrixWorld = object.matrixWorld;
+
+ if ( object instanceof THREE.Particle ) {
+
+ _vector4.set( objectMatrixWorld.elements[12], objectMatrixWorld.elements[13], objectMatrixWorld.elements[14], 1 );
+ _projScreenMatrix.multiplyVector4( _vector4 );
+
+ _vector4.z /= _vector4.w;
+
+ if ( _vector4.z > 0 && _vector4.z < 1 ) {
+
+ _particle = getNextParticleInPool();
+ _particle.x = _vector4.x / _vector4.w;
+ _particle.y = _vector4.y / _vector4.w;
+ _particle.z = _vector4.z;
+
+ _particle.rotation = object.rotation.z;
+
+ _particle.scale.x = object.scale.x * Math.abs( _particle.x - ( _vector4.x + camera.projectionMatrix.elements[0] ) / ( _vector4.w + camera.projectionMatrix.elements[12] ) );
+ _particle.scale.y = object.scale.y * Math.abs( _particle.y - ( _vector4.y + camera.projectionMatrix.elements[5] ) / ( _vector4.w + camera.projectionMatrix.elements[13] ) );
+
+ _particle.material = object.material;
+
+ _renderData.elements.push( _particle );
+
+ }
+
+ }
+
+ }
+
+ sort && _renderData.elements.sort( painterSort );
+
+ return _renderData;
+
+ };
+
+ // Pools
+
+ function getNextObjectInPool() {
+
+ var object = _objectPool[ _objectCount ] = _objectPool[ _objectCount ] || new THREE.RenderableObject();
+
+ _objectCount ++;
+
+ return object;
+
+ }
+
+ function getNextVertexInPool() {
+
+ var vertex = _vertexPool[ _vertexCount ] = _vertexPool[ _vertexCount ] || new THREE.RenderableVertex();
+
+ _vertexCount ++;
+
+ return vertex;
+
+ }
+
+ function getNextFace3InPool() {
+
+ var face = _face3Pool[ _face3Count ] = _face3Pool[ _face3Count ] || new THREE.RenderableFace3();
+
+ _face3Count ++;
+
+ return face;
+
+ }
+
+ function getNextFace4InPool() {
+
+ var face = _face4Pool[ _face4Count ] = _face4Pool[ _face4Count ] || new THREE.RenderableFace4();
+
+ _face4Count ++;
+
+ return face;
+
+ }
+
+ function getNextLineInPool() {
+
+ var line = _linePool[ _lineCount ] = _linePool[ _lineCount ] || new THREE.RenderableLine();
+
+ _lineCount ++;
+
+ return line;
+
+ }
+
+ function getNextParticleInPool() {
+
+ var particle = _particlePool[ _particleCount ] = _particlePool[ _particleCount ] || new THREE.RenderableParticle();
+ _particleCount ++;
+ return particle;
+
+ }
+
+ //
+
+ function painterSort( a, b ) {
+
+ return b.z - a.z;
+
+ }
+
+ function clipLine( s1, s2 ) {
+
+ var alpha1 = 0, alpha2 = 1,
+
+ // Calculate the boundary coordinate of each vertex for the near and far clip planes,
+ // Z = -1 and Z = +1, respectively.
+ bc1near = s1.z + s1.w,
+ bc2near = s2.z + s2.w,
+ bc1far = - s1.z + s1.w,
+ bc2far = - s2.z + s2.w;
+
+ if ( bc1near >= 0 && bc2near >= 0 && bc1far >= 0 && bc2far >= 0 ) {
+
+ // Both vertices lie entirely within all clip planes.
+ return true;
+
+ } else if ( ( bc1near < 0 && bc2near < 0) || (bc1far < 0 && bc2far < 0 ) ) {
+
+ // Both vertices lie entirely outside one of the clip planes.
+ return false;
+
+ } else {
+
+ // The line segment spans at least one clip plane.
+
+ if ( bc1near < 0 ) {
+
+ // v1 lies outside the near plane, v2 inside
+ alpha1 = Math.max( alpha1, bc1near / ( bc1near - bc2near ) );
+
+ } else if ( bc2near < 0 ) {
+
+ // v2 lies outside the near plane, v1 inside
+ alpha2 = Math.min( alpha2, bc1near / ( bc1near - bc2near ) );
+
+ }
+
+ if ( bc1far < 0 ) {
+
+ // v1 lies outside the far plane, v2 inside
+ alpha1 = Math.max( alpha1, bc1far / ( bc1far - bc2far ) );
+
+ } else if ( bc2far < 0 ) {
+
+ // v2 lies outside the far plane, v2 inside
+ alpha2 = Math.min( alpha2, bc1far / ( bc1far - bc2far ) );
+
+ }
+
+ if ( alpha2 < alpha1 ) {
+
+ // The line segment spans two boundaries, but is outside both of them.
+ // (This can't happen when we're only clipping against just near/far but good
+ // to leave the check here for future usage if other clip planes are added.)
+ return false;
+
+ } else {
+
+ // Update the s1 and s2 vertices to match the clipped line segment.
+ s1.lerpSelf( s2, alpha1 );
+ s2.lerpSelf( s1, 1 - alpha2 );
+
+ return true;
+
+ }
+
+ }
+
+ }
+
+};
+/**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Quaternion = function( x, y, z, w ) {
+
+ this.x = x || 0;
+ this.y = y || 0;
+ this.z = z || 0;
+ this.w = ( w !== undefined ) ? w : 1;
+
+};
+
+THREE.Quaternion.prototype = {
+
+ constructor: THREE.Quaternion,
+
+ set: function ( x, y, z, w ) {
+
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ this.w = w;
+
+ return this;
+
+ },
+
+ copy: function ( q ) {
+
+ this.x = q.x;
+ this.y = q.y;
+ this.z = q.z;
+ this.w = q.w;
+
+ return this;
+
+ },
+
+ setFromEuler: function ( vector ) {
+
+ var c = Math.PI / 360, // 0.5 * Math.PI / 360, // 0.5 is an optimization
+ x = vector.x * c,
+ y = vector.y * c,
+ z = vector.z * c,
+
+ c1 = Math.cos( y ),
+ s1 = Math.sin( y ),
+ c2 = Math.cos( -z ),
+ s2 = Math.sin( -z ),
+ c3 = Math.cos( x ),
+ s3 = Math.sin( x ),
+
+ c1c2 = c1 * c2,
+ s1s2 = s1 * s2;
+
+ this.w = c1c2 * c3 - s1s2 * s3;
+ this.x = c1c2 * s3 + s1s2 * c3;
+ this.y = s1 * c2 * c3 + c1 * s2 * s3;
+ this.z = c1 * s2 * c3 - s1 * c2 * s3;
+
+ return this;
+
+ },
+
+ setFromAxisAngle: function ( axis, angle ) {
+
+ // from http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm
+ // axis have to be normalized
+
+ var halfAngle = angle / 2,
+ s = Math.sin( halfAngle );
+
+ this.x = axis.x * s;
+ this.y = axis.y * s;
+ this.z = axis.z * s;
+ this.w = Math.cos( halfAngle );
+
+ return this;
+
+ },
+
+ setFromRotationMatrix: function ( m ) {
+
+ // Adapted from: http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm
+
+ function copySign( a, b ) {
+
+ return b < 0 ? -Math.abs( a ) : Math.abs( a );
+
+ }
+
+ var absQ = Math.pow( m.determinant(), 1.0 / 3.0 );
+ this.w = Math.sqrt( Math.max( 0, absQ + m.elements[0] + m.elements[5] + m.elements[10] ) ) / 2;
+ this.x = Math.sqrt( Math.max( 0, absQ + m.elements[0] - m.elements[5] - m.elements[10] ) ) / 2;
+ this.y = Math.sqrt( Math.max( 0, absQ - m.elements[0] + m.elements[5] - m.elements[10] ) ) / 2;
+ this.z = Math.sqrt( Math.max( 0, absQ - m.elements[0] - m.elements[5] + m.elements[10] ) ) / 2;
+ this.x = copySign( this.x, ( m.elements[6] - m.elements[9] ) );
+ this.y = copySign( this.y, ( m.elements[8] - m.elements[2] ) );
+ this.z = copySign( this.z, ( m.elements[1] - m.elements[4] ) );
+ this.normalize();
+
+ return this;
+
+ },
+
+ calculateW : function () {
+
+ this.w = - Math.sqrt( Math.abs( 1.0 - this.x * this.x - this.y * this.y - this.z * this.z ) );
+
+ return this;
+
+ },
+
+ inverse: function () {
+
+ this.x *= -1;
+ this.y *= -1;
+ this.z *= -1;
+
+ return this;
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );
+
+ },
+
+ normalize: function () {
+
+ var l = Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );
+
+ if ( l === 0 ) {
+
+ this.x = 0;
+ this.y = 0;
+ this.z = 0;
+ this.w = 0;
+
+ } else {
+
+ l = 1 / l;
+
+ this.x = this.x * l;
+ this.y = this.y * l;
+ this.z = this.z * l;
+ this.w = this.w * l;
+
+ }
+
+ return this;
+
+ },
+
+ multiply: function ( a, b ) {
+
+ // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm
+
+ this.x = a.x * b.w + a.y * b.z - a.z * b.y + a.w * b.x;
+ this.y = -a.x * b.z + a.y * b.w + a.z * b.x + a.w * b.y;
+ this.z = a.x * b.y - a.y * b.x + a.z * b.w + a.w * b.z;
+ this.w = -a.x * b.x - a.y * b.y - a.z * b.z + a.w * b.w;
+
+ return this;
+
+ },
+
+ multiplySelf: function ( b ) {
+
+ var qax = this.x, qay = this.y, qaz = this.z, qaw = this.w,
+ qbx = b.x, qby = b.y, qbz = b.z, qbw = b.w;
+
+ this.x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;
+ this.y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;
+ this.z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;
+ this.w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;
+
+ return this;
+
+ },
+
+ multiplyVector3: function ( vector, dest ) {
+
+ if ( !dest ) { dest = vector; }
+
+ var x = vector.x, y = vector.y, z = vector.z,
+ qx = this.x, qy = this.y, qz = this.z, qw = this.w;
+
+ // calculate quat * vector
+
+ var ix = qw * x + qy * z - qz * y,
+ iy = qw * y + qz * x - qx * z,
+ iz = qw * z + qx * y - qy * x,
+ iw = -qx * x - qy * y - qz * z;
+
+ // calculate result * inverse quat
+
+ dest.x = ix * qw + iw * -qx + iy * -qz - iz * -qy;
+ dest.y = iy * qw + iw * -qy + iz * -qx - ix * -qz;
+ dest.z = iz * qw + iw * -qz + ix * -qy - iy * -qx;
+
+ return dest;
+
+ },
+
+ clone: function () {
+
+ return new THREE.Quaternion( this.x, this.y, this.z, this.w );
+
+ }
+
+}
+
+THREE.Quaternion.slerp = function ( qa, qb, qm, t ) {
+
+ // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/
+
+ var cosHalfTheta = qa.w * qb.w + qa.x * qb.x + qa.y * qb.y + qa.z * qb.z;
+
+ if (cosHalfTheta < 0) {
+ qm.w = -qb.w; qm.x = -qb.x; qm.y = -qb.y; qm.z = -qb.z;
+ cosHalfTheta = -cosHalfTheta;
+ } else {
+ qm.copy(qb);
+ }
+
+ if ( Math.abs( cosHalfTheta ) >= 1.0 ) {
+
+ qm.w = qa.w; qm.x = qa.x; qm.y = qa.y; qm.z = qa.z;
+ return qm;
+
+ }
+
+ var halfTheta = Math.acos( cosHalfTheta ),
+ sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );
+
+ if ( Math.abs( sinHalfTheta ) < 0.001 ) {
+
+ qm.w = 0.5 * ( qa.w + qb.w );
+ qm.x = 0.5 * ( qa.x + qb.x );
+ qm.y = 0.5 * ( qa.y + qb.y );
+ qm.z = 0.5 * ( qa.z + qb.z );
+
+ return qm;
+
+ }
+
+ var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,
+ ratioB = Math.sin( t * halfTheta ) / sinHalfTheta;
+
+ qm.w = ( qa.w * ratioA + qm.w * ratioB );
+ qm.x = ( qa.x * ratioA + qm.x * ratioB );
+ qm.y = ( qa.y * ratioA + qm.y * ratioB );
+ qm.z = ( qa.z * ratioA + qm.z * ratioB );
+
+ return qm;
+
+}
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.Vertex = function () {
+
+ console.warn( 'THREE.Vertex has been DEPRECATED. Use THREE.Vector3 instead.')
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Face3 = function ( a, b, c, normal, color, materialIndex ) {
+
+ this.a = a;
+ this.b = b;
+ this.c = c;
+
+ this.normal = normal instanceof THREE.Vector3 ? normal : new THREE.Vector3();
+ this.vertexNormals = normal instanceof Array ? normal : [ ];
+
+ this.color = color instanceof THREE.Color ? color : new THREE.Color();
+ this.vertexColors = color instanceof Array ? color : [];
+
+ this.vertexTangents = [];
+
+ this.materialIndex = materialIndex;
+
+ this.centroid = new THREE.Vector3();
+
+};
+
+THREE.Face3.prototype = {
+
+ constructor: THREE.Face3,
+
+ clone: function () {
+
+ var face = new THREE.Face3( this.a, this.b, this.c );
+
+ face.normal.copy( this.normal );
+ face.color.copy( this.color );
+ face.centroid.copy( this.centroid );
+
+ face.materialIndex = this.materialIndex;
+
+ var i, il;
+ for ( i = 0, il = this.vertexNormals.length; i < il; i ++ ) face.vertexNormals[ i ] = this.vertexNormals[ i ].clone();
+ for ( i = 0, il = this.vertexColors.length; i < il; i ++ ) face.vertexColors[ i ] = this.vertexColors[ i ].clone();
+ for ( i = 0, il = this.vertexTangents.length; i < il; i ++ ) face.vertexTangents[ i ] = this.vertexTangents[ i ].clone();
+
+ return face;
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Face4 = function ( a, b, c, d, normal, color, materialIndex ) {
+
+ this.a = a;
+ this.b = b;
+ this.c = c;
+ this.d = d;
+
+ this.normal = normal instanceof THREE.Vector3 ? normal : new THREE.Vector3();
+ this.vertexNormals = normal instanceof Array ? normal : [ ];
+
+ this.color = color instanceof THREE.Color ? color : new THREE.Color();
+ this.vertexColors = color instanceof Array ? color : [];
+
+ this.vertexTangents = [];
+
+ this.materialIndex = materialIndex;
+
+ this.centroid = new THREE.Vector3();
+
+};
+
+THREE.Face4.prototype = {
+
+ constructor: THREE.Face4,
+
+ clone: function () {
+
+ var face = new THREE.Face4( this.a, this.b, this.c, this.d );
+
+ face.normal.copy( this.normal );
+ face.color.copy( this.color );
+ face.centroid.copy( this.centroid );
+
+ face.materialIndex = this.materialIndex;
+
+ var i, il;
+ for ( i = 0, il = this.vertexNormals.length; i < il; i ++ ) face.vertexNormals[ i ] = this.vertexNormals[ i ].clone();
+ for ( i = 0, il = this.vertexColors.length; i < il; i ++ ) face.vertexColors[ i ] = this.vertexColors[ i ].clone();
+ for ( i = 0, il = this.vertexTangents.length; i < il; i ++ ) face.vertexTangents[ i ] = this.vertexTangents[ i ].clone();
+
+ return face;
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.UV = function ( u, v ) {
+
+ this.u = u || 0;
+ this.v = v || 0;
+
+};
+
+THREE.UV.prototype = {
+
+ constructor: THREE.UV,
+
+ set: function ( u, v ) {
+
+ this.u = u;
+ this.v = v;
+
+ return this;
+
+ },
+
+ copy: function ( uv ) {
+
+ this.u = uv.u;
+ this.v = uv.v;
+
+ return this;
+
+ },
+
+ lerpSelf: function ( uv, alpha ) {
+
+ this.u += ( uv.u - this.u ) * alpha;
+ this.v += ( uv.v - this.v ) * alpha;
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new THREE.UV( this.u, this.v );
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author kile / http://kile.stravaganza.org/
+ * @author alteredq / http://alteredqualia.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ */
+
+THREE.Geometry = function () {
+
+ this.id = THREE.GeometryCount ++;
+
+ this.vertices = [];
+ this.colors = []; // one-to-one vertex colors, used in ParticleSystem, Line and Ribbon
+
+ this.materials = [];
+
+ this.faces = [];
+
+ this.faceUvs = [[]];
+ this.faceVertexUvs = [[]];
+
+ this.morphTargets = [];
+ this.morphColors = [];
+ this.morphNormals = [];
+
+ this.skinWeights = [];
+ this.skinIndices = [];
+
+ this.boundingBox = null;
+ this.boundingSphere = null;
+
+ this.hasTangents = false;
+
+ this.dynamic = false; // unless set to true the *Arrays will be deleted once sent to a buffer.
+
+};
+
+THREE.Geometry.prototype = {
+
+ constructor : THREE.Geometry,
+
+ applyMatrix: function ( matrix ) {
+
+ var matrixRotation = new THREE.Matrix4();
+ matrixRotation.extractRotation( matrix );
+
+ for ( var i = 0, il = this.vertices.length; i < il; i ++ ) {
+
+ var vertex = this.vertices[ i ];
+
+ matrix.multiplyVector3( vertex );
+
+ }
+
+ for ( var i = 0, il = this.faces.length; i < il; i ++ ) {
+
+ var face = this.faces[ i ];
+
+ matrixRotation.multiplyVector3( face.normal );
+
+ for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {
+
+ matrixRotation.multiplyVector3( face.vertexNormals[ j ] );
+
+ }
+
+ matrix.multiplyVector3( face.centroid );
+
+ }
+
+ },
+
+ computeCentroids: function () {
+
+ var f, fl, face;
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+ face.centroid.set( 0, 0, 0 );
+
+ if ( face instanceof THREE.Face3 ) {
+
+ face.centroid.addSelf( this.vertices[ face.a ] );
+ face.centroid.addSelf( this.vertices[ face.b ] );
+ face.centroid.addSelf( this.vertices[ face.c ] );
+ face.centroid.divideScalar( 3 );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ face.centroid.addSelf( this.vertices[ face.a ] );
+ face.centroid.addSelf( this.vertices[ face.b ] );
+ face.centroid.addSelf( this.vertices[ face.c ] );
+ face.centroid.addSelf( this.vertices[ face.d ] );
+ face.centroid.divideScalar( 4 );
+
+ }
+
+ }
+
+ },
+
+ computeFaceNormals: function () {
+
+ var n, nl, v, vl, vertex, f, fl, face, vA, vB, vC,
+ cb = new THREE.Vector3(), ab = new THREE.Vector3();
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ vA = this.vertices[ face.a ];
+ vB = this.vertices[ face.b ];
+ vC = this.vertices[ face.c ];
+
+ cb.sub( vC, vB );
+ ab.sub( vA, vB );
+ cb.crossSelf( ab );
+
+ if ( !cb.isZero() ) {
+
+ cb.normalize();
+
+ }
+
+ face.normal.copy( cb );
+
+ }
+
+ },
+
+ computeVertexNormals: function () {
+
+ var v, vl, f, fl, face, vertices;
+
+ // create internal buffers for reuse when calling this method repeatedly
+ // (otherwise memory allocation / deallocation every frame is big resource hog)
+
+ if ( this.__tmpVertices === undefined ) {
+
+ this.__tmpVertices = new Array( this.vertices.length );
+ vertices = this.__tmpVertices;
+
+ for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {
+
+ vertices[ v ] = new THREE.Vector3();
+
+ }
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ face.vertexNormals = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ face.vertexNormals = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
+
+ }
+
+ }
+
+ } else {
+
+ vertices = this.__tmpVertices;
+
+ for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {
+
+ vertices[ v ].set( 0, 0, 0 );
+
+ }
+
+ }
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ vertices[ face.a ].addSelf( face.normal );
+ vertices[ face.b ].addSelf( face.normal );
+ vertices[ face.c ].addSelf( face.normal );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ vertices[ face.a ].addSelf( face.normal );
+ vertices[ face.b ].addSelf( face.normal );
+ vertices[ face.c ].addSelf( face.normal );
+ vertices[ face.d ].addSelf( face.normal );
+
+ }
+
+ }
+
+ for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {
+
+ vertices[ v ].normalize();
+
+ }
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ face.vertexNormals[ 0 ].copy( vertices[ face.a ] );
+ face.vertexNormals[ 1 ].copy( vertices[ face.b ] );
+ face.vertexNormals[ 2 ].copy( vertices[ face.c ] );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ face.vertexNormals[ 0 ].copy( vertices[ face.a ] );
+ face.vertexNormals[ 1 ].copy( vertices[ face.b ] );
+ face.vertexNormals[ 2 ].copy( vertices[ face.c ] );
+ face.vertexNormals[ 3 ].copy( vertices[ face.d ] );
+
+ }
+
+ }
+
+ },
+
+ computeMorphNormals: function () {
+
+ var i, il, f, fl, face;
+
+ // save original normals
+ // - create temp variables on first access
+ // otherwise just copy (for faster repeated calls)
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ if ( ! face.__originalFaceNormal ) {
+
+ face.__originalFaceNormal = face.normal.clone();
+
+ } else {
+
+ face.__originalFaceNormal.copy( face.normal );
+
+ }
+
+ if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];
+
+ for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {
+
+ if ( ! face.__originalVertexNormals[ i ] ) {
+
+ face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();
+
+ } else {
+
+ face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );
+
+ }
+
+ }
+
+ }
+
+ // use temp geometry to compute face and vertex normals for each morph
+
+ var tmpGeo = new THREE.Geometry();
+ tmpGeo.faces = this.faces;
+
+ for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {
+
+ // create on first access
+
+ if ( ! this.morphNormals[ i ] ) {
+
+ this.morphNormals[ i ] = {};
+ this.morphNormals[ i ].faceNormals = [];
+ this.morphNormals[ i ].vertexNormals = [];
+
+ var dstNormalsFace = this.morphNormals[ i ].faceNormals;
+ var dstNormalsVertex = this.morphNormals[ i ].vertexNormals;
+
+ var faceNormal, vertexNormals;
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ faceNormal = new THREE.Vector3();
+
+ if ( face instanceof THREE.Face3 ) {
+
+ vertexNormals = { a: new THREE.Vector3(), b: new THREE.Vector3(), c: new THREE.Vector3() };
+
+ } else {
+
+ vertexNormals = { a: new THREE.Vector3(), b: new THREE.Vector3(), c: new THREE.Vector3(), d: new THREE.Vector3() };
+
+ }
+
+ dstNormalsFace.push( faceNormal );
+ dstNormalsVertex.push( vertexNormals );
+
+ }
+
+ }
+
+ var morphNormals = this.morphNormals[ i ];
+
+ // set vertices to morph target
+
+ tmpGeo.vertices = this.morphTargets[ i ].vertices;
+
+ // compute morph normals
+
+ tmpGeo.computeFaceNormals();
+ tmpGeo.computeVertexNormals();
+
+ // store morph normals
+
+ var faceNormal, vertexNormals;
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ faceNormal = morphNormals.faceNormals[ f ];
+ vertexNormals = morphNormals.vertexNormals[ f ];
+
+ faceNormal.copy( face.normal );
+
+ if ( face instanceof THREE.Face3 ) {
+
+ vertexNormals.a.copy( face.vertexNormals[ 0 ] );
+ vertexNormals.b.copy( face.vertexNormals[ 1 ] );
+ vertexNormals.c.copy( face.vertexNormals[ 2 ] );
+
+ } else {
+
+ vertexNormals.a.copy( face.vertexNormals[ 0 ] );
+ vertexNormals.b.copy( face.vertexNormals[ 1 ] );
+ vertexNormals.c.copy( face.vertexNormals[ 2 ] );
+ vertexNormals.d.copy( face.vertexNormals[ 3 ] );
+
+ }
+
+ }
+
+ }
+
+ // restore original normals
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ face.normal = face.__originalFaceNormal;
+ face.vertexNormals = face.__originalVertexNormals;
+
+ }
+
+ },
+
+ computeTangents: function () {
+
+ // based on http://www.terathon.com/code/tangent.html
+ // tangents go to vertices
+
+ var f, fl, v, vl, i, il, vertexIndex,
+ face, uv, vA, vB, vC, uvA, uvB, uvC,
+ x1, x2, y1, y2, z1, z2,
+ s1, s2, t1, t2, r, t, test,
+ tan1 = [], tan2 = [],
+ sdir = new THREE.Vector3(), tdir = new THREE.Vector3(),
+ tmp = new THREE.Vector3(), tmp2 = new THREE.Vector3(),
+ n = new THREE.Vector3(), w;
+
+ for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {
+
+ tan1[ v ] = new THREE.Vector3();
+ tan2[ v ] = new THREE.Vector3();
+
+ }
+
+ function handleTriangle( context, a, b, c, ua, ub, uc ) {
+
+ vA = context.vertices[ a ];
+ vB = context.vertices[ b ];
+ vC = context.vertices[ c ];
+
+ uvA = uv[ ua ];
+ uvB = uv[ ub ];
+ uvC = uv[ uc ];
+
+ x1 = vB.x - vA.x;
+ x2 = vC.x - vA.x;
+ y1 = vB.y - vA.y;
+ y2 = vC.y - vA.y;
+ z1 = vB.z - vA.z;
+ z2 = vC.z - vA.z;
+
+ s1 = uvB.u - uvA.u;
+ s2 = uvC.u - uvA.u;
+ t1 = uvB.v - uvA.v;
+ t2 = uvC.v - uvA.v;
+
+ r = 1.0 / ( s1 * t2 - s2 * t1 );
+ sdir.set( ( t2 * x1 - t1 * x2 ) * r,
+ ( t2 * y1 - t1 * y2 ) * r,
+ ( t2 * z1 - t1 * z2 ) * r );
+ tdir.set( ( s1 * x2 - s2 * x1 ) * r,
+ ( s1 * y2 - s2 * y1 ) * r,
+ ( s1 * z2 - s2 * z1 ) * r );
+
+ tan1[ a ].addSelf( sdir );
+ tan1[ b ].addSelf( sdir );
+ tan1[ c ].addSelf( sdir );
+
+ tan2[ a ].addSelf( tdir );
+ tan2[ b ].addSelf( tdir );
+ tan2[ c ].addSelf( tdir );
+
+ }
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+ uv = this.faceVertexUvs[ 0 ][ f ]; // use UV layer 0 for tangents
+
+ if ( face instanceof THREE.Face3 ) {
+
+ handleTriangle( this, face.a, face.b, face.c, 0, 1, 2 );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ handleTriangle( this, face.a, face.b, face.d, 0, 1, 3 );
+ handleTriangle( this, face.b, face.c, face.d, 1, 2, 3 );
+
+ }
+
+ }
+
+ var faceIndex = [ 'a', 'b', 'c', 'd' ];
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ for ( i = 0; i < face.vertexNormals.length; i++ ) {
+
+ n.copy( face.vertexNormals[ i ] );
+
+ vertexIndex = face[ faceIndex[ i ] ];
+
+ t = tan1[ vertexIndex ];
+
+ // Gram-Schmidt orthogonalize
+
+ tmp.copy( t );
+ tmp.subSelf( n.multiplyScalar( n.dot( t ) ) ).normalize();
+
+ // Calculate handedness
+
+ tmp2.cross( face.vertexNormals[ i ], t );
+ test = tmp2.dot( tan2[ vertexIndex ] );
+ w = (test < 0.0) ? -1.0 : 1.0;
+
+ face.vertexTangents[ i ] = new THREE.Vector4( tmp.x, tmp.y, tmp.z, w );
+
+ }
+
+ }
+
+ this.hasTangents = true;
+
+ },
+
+ computeBoundingBox: function () {
+
+ if ( ! this.boundingBox ) {
+
+ this.boundingBox = { min: new THREE.Vector3(), max: new THREE.Vector3() };
+
+ }
+
+ if ( this.vertices.length > 0 ) {
+
+ var position, firstPosition = this.vertices[ 0 ];
+
+ this.boundingBox.min.copy( firstPosition );
+ this.boundingBox.max.copy( firstPosition );
+
+ var min = this.boundingBox.min,
+ max = this.boundingBox.max;
+
+ for ( var v = 1, vl = this.vertices.length; v < vl; v ++ ) {
+
+ position = this.vertices[ v ];
+
+ if ( position.x < min.x ) {
+
+ min.x = position.x;
+
+ } else if ( position.x > max.x ) {
+
+ max.x = position.x;
+
+ }
+
+ if ( position.y < min.y ) {
+
+ min.y = position.y;
+
+ } else if ( position.y > max.y ) {
+
+ max.y = position.y;
+
+ }
+
+ if ( position.z < min.z ) {
+
+ min.z = position.z;
+
+ } else if ( position.z > max.z ) {
+
+ max.z = position.z;
+
+ }
+
+ }
+
+ } else {
+
+ this.boundingBox.min.set( 0, 0, 0 );
+ this.boundingBox.max.set( 0, 0, 0 );
+
+ }
+
+ },
+
+ computeBoundingSphere: function () {
+
+ if ( ! this.boundingSphere ) this.boundingSphere = { radius: 0 };
+
+ var radius, maxRadius = 0;
+
+ for ( var v = 0, vl = this.vertices.length; v < vl; v ++ ) {
+
+ radius = this.vertices[ v ].length();
+ if ( radius > maxRadius ) maxRadius = radius;
+
+ }
+
+ this.boundingSphere.radius = maxRadius;
+
+ },
+
+ /*
+ * Checks for duplicate vertices with hashmap.
+ * Duplicated vertices are removed
+ * and faces' vertices are updated.
+ */
+
+ mergeVertices: function() {
+
+ var verticesMap = {}; // Hashmap for looking up vertice by position coordinates (and making sure they are unique)
+ var unique = [], changes = [];
+
+ var v, key;
+ var precisionPoints = 4; // number of decimal points, eg. 4 for epsilon of 0.0001
+ var precision = Math.pow( 10, precisionPoints );
+ var i,il, face;
+ var abcd = 'abcd', o, k, j, jl, u;
+
+ for ( i = 0, il = this.vertices.length; i < il; i ++ ) {
+
+ v = this.vertices[ i ];
+ key = [ Math.round( v.x * precision ), Math.round( v.y * precision ), Math.round( v.z * precision ) ].join( '_' );
+
+ if ( verticesMap[ key ] === undefined ) {
+
+ verticesMap[ key ] = i;
+ unique.push( this.vertices[ i ] );
+ changes[ i ] = unique.length - 1;
+
+ } else {
+
+ //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);
+ changes[ i ] = changes[ verticesMap[ key ] ];
+
+ }
+
+ };
+
+
+ // Start to patch face indices
+
+ for( i = 0, il = this.faces.length; i < il; i ++ ) {
+
+ face = this.faces[ i ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ face.a = changes[ face.a ];
+ face.b = changes[ face.b ];
+ face.c = changes[ face.c ];
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ face.a = changes[ face.a ];
+ face.b = changes[ face.b ];
+ face.c = changes[ face.c ];
+ face.d = changes[ face.d ];
+
+ // check dups in (a, b, c, d) and convert to -> face3
+ o = [face.a, face.b, face.c, face.d];
+ for (k=3;k>0;k--) {
+ if ( o.indexOf(face[abcd[k]]) != k ) {
+ // console.log('faces', face.a, face.b, face.c, face.d, 'dup at', k);
+ o.splice(k, 1);
+ this.faces[ i ] = new THREE.Face3(o[0], o[1], o[2]);
+ for (j=0,jl=this.faceVertexUvs.length;j this.points.length - 2 ? this.points.length - 1 : intPoint + 1;
+ c[ 3 ] = intPoint > this.points.length - 3 ? this.points.length - 1 : intPoint + 2;
+
+ pa = this.points[ c[ 0 ] ];
+ pb = this.points[ c[ 1 ] ];
+ pc = this.points[ c[ 2 ] ];
+ pd = this.points[ c[ 3 ] ];
+
+ w2 = weight * weight;
+ w3 = weight * w2;
+
+ v3.x = interpolate( pa.x, pb.x, pc.x, pd.x, weight, w2, w3 );
+ v3.y = interpolate( pa.y, pb.y, pc.y, pd.y, weight, w2, w3 );
+ v3.z = interpolate( pa.z, pb.z, pc.z, pd.z, weight, w2, w3 );
+
+ return v3;
+
+ };
+
+ this.getControlPointsArray = function () {
+
+ var i, p, l = this.points.length,
+ coords = [];
+
+ for ( i = 0; i < l; i ++ ) {
+
+ p = this.points[ i ];
+ coords[ i ] = [ p.x, p.y, p.z ];
+
+ }
+
+ return coords;
+
+ };
+
+ // approximate length by summing linear segments
+
+ this.getLength = function ( nSubDivisions ) {
+
+ var i, index, nSamples, position,
+ point = 0, intPoint = 0, oldIntPoint = 0,
+ oldPosition = new THREE.Vector3(),
+ tmpVec = new THREE.Vector3(),
+ chunkLengths = [],
+ totalLength = 0;
+
+ // first point has 0 length
+
+ chunkLengths[ 0 ] = 0;
+
+ if ( !nSubDivisions ) nSubDivisions = 100;
+
+ nSamples = this.points.length * nSubDivisions;
+
+ oldPosition.copy( this.points[ 0 ] );
+
+ for ( i = 1; i < nSamples; i ++ ) {
+
+ index = i / nSamples;
+
+ position = this.getPoint( index );
+ tmpVec.copy( position );
+
+ totalLength += tmpVec.distanceTo( oldPosition );
+
+ oldPosition.copy( position );
+
+ point = ( this.points.length - 1 ) * index;
+ intPoint = Math.floor( point );
+
+ if ( intPoint != oldIntPoint ) {
+
+ chunkLengths[ intPoint ] = totalLength;
+ oldIntPoint = intPoint;
+
+ }
+
+ }
+
+ // last point ends with total length
+
+ chunkLengths[ chunkLengths.length ] = totalLength;
+
+ return { chunks: chunkLengths, total: totalLength };
+
+ };
+
+ this.reparametrizeByArcLength = function ( samplingCoef ) {
+
+ var i, j,
+ index, indexCurrent, indexNext,
+ linearDistance, realDistance,
+ sampling, position,
+ newpoints = [],
+ tmpVec = new THREE.Vector3(),
+ sl = this.getLength();
+
+ newpoints.push( tmpVec.copy( this.points[ 0 ] ).clone() );
+
+ for ( i = 1; i < this.points.length; i++ ) {
+
+ //tmpVec.copy( this.points[ i - 1 ] );
+ //linearDistance = tmpVec.distanceTo( this.points[ i ] );
+
+ realDistance = sl.chunks[ i ] - sl.chunks[ i - 1 ];
+
+ sampling = Math.ceil( samplingCoef * realDistance / sl.total );
+
+ indexCurrent = ( i - 1 ) / ( this.points.length - 1 );
+ indexNext = i / ( this.points.length - 1 );
+
+ for ( j = 1; j < sampling - 1; j++ ) {
+
+ index = indexCurrent + j * ( 1 / sampling ) * ( indexNext - indexCurrent );
+
+ position = this.getPoint( index );
+ newpoints.push( tmpVec.copy( position ).clone() );
+
+ }
+
+ newpoints.push( tmpVec.copy( this.points[ i ] ).clone() );
+
+ }
+
+ this.points = newpoints;
+
+ };
+
+ // Catmull-Rom
+
+ function interpolate( p0, p1, p2, p3, t, t2, t3 ) {
+
+ var v0 = ( p2 - p0 ) * 0.5,
+ v1 = ( p3 - p1 ) * 0.5;
+
+ return ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;
+
+ };
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author mikael emtinger / http://gomo.se/
+ */
+
+THREE.Camera = function () {
+
+ THREE.Object3D.call( this );
+
+ this.matrixWorldInverse = new THREE.Matrix4();
+
+ this.projectionMatrix = new THREE.Matrix4();
+ this.projectionMatrixInverse = new THREE.Matrix4();
+
+};
+
+THREE.Camera.prototype = new THREE.Object3D();
+THREE.Camera.prototype.constructor = THREE.Camera;
+
+THREE.Camera.prototype.lookAt = function ( vector ) {
+
+ // TODO: Add hierarchy support.
+
+ this.matrix.lookAt( this.position, vector, this.up );
+
+ if ( this.rotationAutoUpdate ) {
+
+ this.rotation.getRotationFromMatrix( this.matrix );
+
+ }
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.OrthographicCamera = function ( left, right, top, bottom, near, far ) {
+
+ THREE.Camera.call( this );
+
+ this.left = left;
+ this.right = right;
+ this.top = top;
+ this.bottom = bottom;
+
+ this.near = ( near !== undefined ) ? near : 0.1;
+ this.far = ( far !== undefined ) ? far : 2000;
+
+ this.updateProjectionMatrix();
+
+};
+
+THREE.OrthographicCamera.prototype = new THREE.Camera();
+THREE.OrthographicCamera.prototype.constructor = THREE.OrthographicCamera;
+
+THREE.OrthographicCamera.prototype.updateProjectionMatrix = function () {
+
+ this.projectionMatrix.makeOrthographic( this.left, this.right, this.top, this.bottom, this.near, this.far );
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author greggman / http://games.greggman.com/
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ */
+
+THREE.PerspectiveCamera = function ( fov, aspect, near, far ) {
+
+ THREE.Camera.call( this );
+
+ this.fov = fov !== undefined ? fov : 50;
+ this.aspect = aspect !== undefined ? aspect : 1;
+ this.near = near !== undefined ? near : 0.1;
+ this.far = far !== undefined ? far : 2000;
+
+ this.updateProjectionMatrix();
+
+};
+
+THREE.PerspectiveCamera.prototype = new THREE.Camera();
+THREE.PerspectiveCamera.prototype.constructor = THREE.PerspectiveCamera;
+
+
+/**
+ * Uses Focal Length (in mm) to estimate and set FOV
+ * 35mm (fullframe) camera is used if frame size is not specified;
+ * Formula based on http://www.bobatkins.com/photography/technical/field_of_view.html
+ */
+
+THREE.PerspectiveCamera.prototype.setLens = function ( focalLength, frameHeight ) {
+
+ frameHeight = frameHeight !== undefined ? frameHeight : 24;
+
+ this.fov = 2 * Math.atan( frameHeight / ( focalLength * 2 ) ) * ( 180 / Math.PI );
+ this.updateProjectionMatrix();
+
+}
+
+
+/**
+ * Sets an offset in a larger frustum. This is useful for multi-window or
+ * multi-monitor/multi-machine setups.
+ *
+ * For example, if you have 3x2 monitors and each monitor is 1920x1080 and
+ * the monitors are in grid like this
+ *
+ * +---+---+---+
+ * | A | B | C |
+ * +---+---+---+
+ * | D | E | F |
+ * +---+---+---+
+ *
+ * then for each monitor you would call it like this
+ *
+ * var w = 1920;
+ * var h = 1080;
+ * var fullWidth = w * 3;
+ * var fullHeight = h * 2;
+ *
+ * --A--
+ * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );
+ * --B--
+ * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );
+ * --C--
+ * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );
+ * --D--
+ * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );
+ * --E--
+ * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );
+ * --F--
+ * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );
+ *
+ * Note there is no reason monitors have to be the same size or in a grid.
+ */
+
+THREE.PerspectiveCamera.prototype.setViewOffset = function ( fullWidth, fullHeight, x, y, width, height ) {
+
+ this.fullWidth = fullWidth;
+ this.fullHeight = fullHeight;
+ this.x = x;
+ this.y = y;
+ this.width = width;
+ this.height = height;
+
+ this.updateProjectionMatrix();
+
+};
+
+
+THREE.PerspectiveCamera.prototype.updateProjectionMatrix = function () {
+
+ if ( this.fullWidth ) {
+
+ var aspect = this.fullWidth / this.fullHeight;
+ var top = Math.tan( this.fov * Math.PI / 360 ) * this.near;
+ var bottom = -top;
+ var left = aspect * bottom;
+ var right = aspect * top;
+ var width = Math.abs( right - left );
+ var height = Math.abs( top - bottom );
+
+ this.projectionMatrix.makeFrustum(
+ left + this.x * width / this.fullWidth,
+ left + ( this.x + this.width ) * width / this.fullWidth,
+ top - ( this.y + this.height ) * height / this.fullHeight,
+ top - this.y * height / this.fullHeight,
+ this.near,
+ this.far
+ );
+
+ } else {
+
+ this.projectionMatrix.makePerspective( this.fov, this.aspect, this.near, this.far );
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Light = function ( hex ) {
+
+ THREE.Object3D.call( this );
+
+ this.color = new THREE.Color( hex );
+
+};
+
+THREE.Light.prototype = new THREE.Object3D();
+THREE.Light.prototype.constructor = THREE.Light;
+THREE.Light.prototype.supr = THREE.Object3D.prototype;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.AmbientLight = function ( hex ) {
+
+ THREE.Light.call( this, hex );
+
+};
+
+THREE.AmbientLight.prototype = new THREE.Light();
+THREE.AmbientLight.prototype.constructor = THREE.AmbientLight;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.DirectionalLight = function ( hex, intensity, distance ) {
+
+ THREE.Light.call( this, hex );
+
+ this.position = new THREE.Vector3( 0, 1, 0 );
+ this.target = new THREE.Object3D();
+
+ this.intensity = ( intensity !== undefined ) ? intensity : 1;
+ this.distance = ( distance !== undefined ) ? distance : 0;
+
+ this.castShadow = false;
+ this.onlyShadow = false;
+
+ //
+
+ this.shadowCameraNear = 50;
+ this.shadowCameraFar = 5000;
+
+ this.shadowCameraLeft = -500;
+ this.shadowCameraRight = 500;
+ this.shadowCameraTop = 500;
+ this.shadowCameraBottom = -500;
+
+ this.shadowCameraVisible = false;
+
+ this.shadowBias = 0;
+ this.shadowDarkness = 0.5;
+
+ this.shadowMapWidth = 512;
+ this.shadowMapHeight = 512;
+
+ //
+
+ this.shadowCascade = false;
+
+ this.shadowCascadeOffset = new THREE.Vector3( 0, 0, -1000 );
+ this.shadowCascadeCount = 2;
+
+ this.shadowCascadeBias = [ 0, 0, 0 ];
+ this.shadowCascadeWidth = [ 512, 512, 512 ];
+ this.shadowCascadeHeight = [ 512, 512, 512 ];
+
+ this.shadowCascadeNearZ = [ -1.000, 0.990, 0.998 ];
+ this.shadowCascadeFarZ = [ 0.990, 0.998, 1.000 ];
+
+ this.shadowCascadeArray = [];
+
+ //
+
+ this.shadowMap = null;
+ this.shadowMapSize = null;
+ this.shadowCamera = null;
+ this.shadowMatrix = null;
+
+};
+
+THREE.DirectionalLight.prototype = new THREE.Light();
+THREE.DirectionalLight.prototype.constructor = THREE.DirectionalLight;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.PointLight = function ( hex, intensity, distance ) {
+
+ THREE.Light.call( this, hex );
+
+ this.position = new THREE.Vector3( 0, 0, 0 );
+ this.intensity = ( intensity !== undefined ) ? intensity : 1;
+ this.distance = ( distance !== undefined ) ? distance : 0;
+
+};
+
+THREE.PointLight.prototype = new THREE.Light();
+THREE.PointLight.prototype.constructor = THREE.PointLight;
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.SpotLight = function ( hex, intensity, distance, angle, exponent ) {
+
+ THREE.Light.call( this, hex );
+
+ this.position = new THREE.Vector3( 0, 1, 0 );
+ this.target = new THREE.Object3D();
+
+ this.intensity = ( intensity !== undefined ) ? intensity : 1;
+ this.distance = ( distance !== undefined ) ? distance : 0;
+ this.angle = ( angle !== undefined ) ? angle : Math.PI / 2;
+ this.exponent = ( exponent !== undefined ) ? exponent : 10;
+
+ this.castShadow = false;
+ this.onlyShadow = false;
+
+ //
+
+ this.shadowCameraNear = 50;
+ this.shadowCameraFar = 5000;
+ this.shadowCameraFov = 50;
+
+ this.shadowCameraVisible = false;
+
+ this.shadowBias = 0;
+ this.shadowDarkness = 0.5;
+
+ this.shadowMapWidth = 512;
+ this.shadowMapHeight = 512;
+
+ //
+
+ this.shadowMap = null;
+ this.shadowMapSize = null;
+ this.shadowCamera = null;
+ this.shadowMatrix = null;
+
+};
+
+THREE.SpotLight.prototype = new THREE.Light();
+THREE.SpotLight.prototype.constructor = THREE.SpotLight;
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Loader = function ( showStatus ) {
+
+ this.showStatus = showStatus;
+ this.statusDomElement = showStatus ? THREE.Loader.prototype.addStatusElement() : null;
+
+ this.onLoadStart = function () {};
+ this.onLoadProgress = function () {};
+ this.onLoadComplete = function () {};
+
+};
+
+THREE.Loader.prototype = {
+
+ constructor: THREE.Loader,
+
+ crossOrigin: 'anonymous',
+
+ addStatusElement: function () {
+
+ var e = document.createElement( "div" );
+
+ e.style.position = "absolute";
+ e.style.right = "0px";
+ e.style.top = "0px";
+ e.style.fontSize = "0.8em";
+ e.style.textAlign = "left";
+ e.style.background = "rgba(0,0,0,0.25)";
+ e.style.color = "#fff";
+ e.style.width = "120px";
+ e.style.padding = "0.5em 0.5em 0.5em 0.5em";
+ e.style.zIndex = 1000;
+
+ e.innerHTML = "Loading ...";
+
+ return e;
+
+ },
+
+ updateProgress: function ( progress ) {
+
+ var message = "Loaded ";
+
+ if ( progress.total ) {
+
+ message += ( 100 * progress.loaded / progress.total ).toFixed(0) + "%";
+
+
+ } else {
+
+ message += ( progress.loaded / 1000 ).toFixed(2) + " KB";
+
+ }
+
+ this.statusDomElement.innerHTML = message;
+
+ },
+
+ extractUrlBase: function ( url ) {
+
+ var parts = url.split( '/' );
+ parts.pop();
+ return ( parts.length < 1 ? '.' : parts.join( '/' ) ) + '/';
+
+ },
+
+ initMaterials: function ( scope, materials, texturePath ) {
+
+ scope.materials = [];
+
+ for ( var i = 0; i < materials.length; ++ i ) {
+
+ scope.materials[ i ] = THREE.Loader.prototype.createMaterial( materials[ i ], texturePath );
+
+ }
+
+ },
+
+ hasNormals: function ( scope ) {
+
+ var m, i, il = scope.materials.length;
+
+ for( i = 0; i < il; i ++ ) {
+
+ m = scope.materials[ i ];
+
+ if ( m instanceof THREE.ShaderMaterial ) return true;
+
+ }
+
+ return false;
+
+ },
+
+ createMaterial: function ( m, texturePath ) {
+
+ var _this = this;
+
+ function is_pow2( n ) {
+
+ var l = Math.log( n ) / Math.LN2;
+ return Math.floor( l ) == l;
+
+ }
+
+ function nearest_pow2( n ) {
+
+ var l = Math.log( n ) / Math.LN2;
+ return Math.pow( 2, Math.round( l ) );
+
+ }
+
+ function load_image( where, url ) {
+
+ var image = new Image();
+ image.onload = function () {
+
+ if ( !is_pow2( this.width ) || !is_pow2( this.height ) ) {
+
+ var width = nearest_pow2( this.width );
+ var height = nearest_pow2( this.height );
+
+ where.image.width = width;
+ where.image.height = height;
+ where.image.getContext( '2d' ).drawImage( this, 0, 0, width, height );
+
+ } else {
+
+ where.image = this;
+
+ }
+
+ where.needsUpdate = true;
+
+ };
+ image.crossOrigin = _this.crossOrigin;
+ image.src = url;
+
+ }
+
+ function create_texture( where, name, sourceFile, repeat, offset, wrap ) {
+
+ var texture = document.createElement( 'canvas' );
+
+ where[ name ] = new THREE.Texture( texture );
+ where[ name ].sourceFile = sourceFile;
+
+ if( repeat ) {
+
+ where[ name ].repeat.set( repeat[ 0 ], repeat[ 1 ] );
+
+ if ( repeat[ 0 ] != 1 ) where[ name ].wrapS = THREE.RepeatWrapping;
+ if ( repeat[ 1 ] != 1 ) where[ name ].wrapT = THREE.RepeatWrapping;
+
+ }
+
+ if ( offset ) {
+
+ where[ name ].offset.set( offset[ 0 ], offset[ 1 ] );
+
+ }
+
+ if ( wrap ) {
+
+ var wrapMap = {
+ "repeat": THREE.RepeatWrapping,
+ "mirror": THREE.MirroredRepeatWrapping
+ }
+
+ if ( wrapMap[ wrap[ 0 ] ] !== undefined ) where[ name ].wrapS = wrapMap[ wrap[ 0 ] ];
+ if ( wrapMap[ wrap[ 1 ] ] !== undefined ) where[ name ].wrapT = wrapMap[ wrap[ 1 ] ];
+
+ }
+
+ load_image( where[ name ], texturePath + "/" + sourceFile );
+
+ }
+
+ function rgb2hex( rgb ) {
+
+ return ( rgb[ 0 ] * 255 << 16 ) + ( rgb[ 1 ] * 255 << 8 ) + rgb[ 2 ] * 255;
+
+ }
+
+ // defaults
+
+ var mtype = "MeshLambertMaterial";
+ var mpars = { color: 0xeeeeee, opacity: 1.0, map: null, lightMap: null, normalMap: null, wireframe: m.wireframe };
+
+ // parameters from model file
+
+ if ( m.shading ) {
+
+ var shading = m.shading.toLowerCase();
+
+ if ( shading === "phong" ) mtype = "MeshPhongMaterial";
+ else if ( shading === "basic" ) mtype = "MeshBasicMaterial";
+
+ }
+
+ if ( m.blending !== undefined && THREE[ m.blending ] !== undefined ) {
+
+ mpars.blending = THREE[ m.blending ];
+
+ }
+
+ if ( m.transparent !== undefined || m.opacity < 1.0 ) {
+
+ mpars.transparent = m.transparent;
+
+ }
+
+ if ( m.depthTest !== undefined ) {
+
+ mpars.depthTest = m.depthTest;
+
+ }
+
+ if ( m.depthWrite !== undefined ) {
+
+ mpars.depthWrite = m.depthWrite;
+
+ }
+
+ if ( m.vertexColors !== undefined ) {
+
+ if ( m.vertexColors == "face" ) {
+
+ mpars.vertexColors = THREE.FaceColors;
+
+ } else if ( m.vertexColors ) {
+
+ mpars.vertexColors = THREE.VertexColors;
+
+ }
+
+ }
+
+ // colors
+
+ if ( m.colorDiffuse ) {
+
+ mpars.color = rgb2hex( m.colorDiffuse );
+
+ } else if ( m.DbgColor ) {
+
+ mpars.color = m.DbgColor;
+
+ }
+
+ if ( m.colorSpecular ) {
+
+ mpars.specular = rgb2hex( m.colorSpecular );
+
+ }
+
+ if ( m.colorAmbient ) {
+
+ mpars.ambient = rgb2hex( m.colorAmbient );
+
+ }
+
+ // modifiers
+
+ if ( m.transparency ) {
+
+ mpars.opacity = m.transparency;
+
+ }
+
+ if ( m.specularCoef ) {
+
+ mpars.shininess = m.specularCoef;
+
+ }
+
+ // textures
+
+ if ( m.mapDiffuse && texturePath ) {
+
+ create_texture( mpars, "map", m.mapDiffuse, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap );
+
+ }
+
+ if ( m.mapLight && texturePath ) {
+
+ create_texture( mpars, "lightMap", m.mapLight, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap );
+
+ }
+
+ if ( m.mapNormal && texturePath ) {
+
+ create_texture( mpars, "normalMap", m.mapNormal, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap );
+
+ }
+
+ if ( m.mapSpecular && texturePath ) {
+
+ create_texture( mpars, "specularMap", m.mapSpecular, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap );
+
+ }
+
+ // special case for normal mapped material
+
+ if ( m.mapNormal ) {
+
+ var shader = THREE.ShaderUtils.lib[ "normal" ];
+ var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
+
+ uniforms[ "tNormal" ].texture = mpars.normalMap;
+
+ if ( m.mapNormalFactor ) {
+
+ uniforms[ "uNormalScale" ].value = m.mapNormalFactor;
+
+ }
+
+ if ( mpars.map ) {
+
+ uniforms[ "tDiffuse" ].texture = mpars.map;
+ uniforms[ "enableDiffuse" ].value = true;
+
+ }
+
+ if ( mpars.specularMap ) {
+
+ uniforms[ "tSpecular" ].texture = mpars.specularMap;
+ uniforms[ "enableSpecular" ].value = true;
+
+ }
+
+ if ( mpars.lightMap ) {
+
+ uniforms[ "tAO" ].texture = mpars.lightMap;
+ uniforms[ "enableAO" ].value = true;
+
+ }
+
+ // for the moment don't handle displacement texture
+
+ uniforms[ "uDiffuseColor" ].value.setHex( mpars.color );
+ uniforms[ "uSpecularColor" ].value.setHex( mpars.specular );
+ uniforms[ "uAmbientColor" ].value.setHex( mpars.ambient );
+
+ uniforms[ "uShininess" ].value = mpars.shininess;
+
+ if ( mpars.opacity !== undefined ) {
+
+ uniforms[ "uOpacity" ].value = mpars.opacity;
+
+ }
+
+ var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms, lights: true, fog: true };
+ var material = new THREE.ShaderMaterial( parameters );
+
+ } else {
+
+ var material = new THREE[ mtype ]( mpars );
+
+ }
+
+ if ( m.DbgName !== undefined ) material.name = m.DbgName;
+
+ return material;
+
+ }
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.BinaryLoader = function ( showStatus ) {
+
+ THREE.Loader.call( this, showStatus );
+
+};
+
+THREE.BinaryLoader.prototype = new THREE.Loader();
+THREE.BinaryLoader.prototype.constructor = THREE.BinaryLoader;
+
+
+// Load models generated by slim OBJ converter with BINARY option (converter_obj_three_slim.py -t binary)
+// - binary models consist of two files: JS and BIN
+// - parameters
+// - url (required)
+// - callback (required)
+// - texturePath (optional: if not specified, textures will be assumed to be in the same folder as JS model file)
+// - binaryPath (optional: if not specified, binary file will be assumed to be in the same folder as JS model file)
+
+THREE.BinaryLoader.prototype.load = function( url, callback, texturePath, binaryPath ) {
+
+ texturePath = texturePath ? texturePath : this.extractUrlBase( url );
+ binaryPath = binaryPath ? binaryPath : this.extractUrlBase( url );
+
+ var callbackProgress = this.showProgress ? THREE.Loader.prototype.updateProgress : null;
+
+ this.onLoadStart();
+
+ // #1 load JS part via web worker
+
+ this.loadAjaxJSON( this, url, callback, texturePath, binaryPath, callbackProgress );
+
+};
+
+THREE.BinaryLoader.prototype.loadAjaxJSON = function ( context, url, callback, texturePath, binaryPath, callbackProgress ) {
+
+ var xhr = new XMLHttpRequest();
+
+ xhr.onreadystatechange = function () {
+
+ if ( xhr.readyState == 4 ) {
+
+ if ( xhr.status == 200 || xhr.status == 0 ) {
+
+ var json = JSON.parse( xhr.responseText );
+ context.loadAjaxBuffers( json, callback, binaryPath, texturePath, callbackProgress );
+
+ } else {
+
+ console.error( "THREE.BinaryLoader: Couldn't load [" + url + "] [" + xhr.status + "]" );
+
+ }
+
+ }
+
+ };
+
+ xhr.open( "GET", url, true );
+ if ( xhr.overrideMimeType ) xhr.overrideMimeType( "text/plain; charset=x-user-defined" );
+ xhr.setRequestHeader( "Content-Type", "text/plain" );
+ xhr.send( null );
+
+};
+
+THREE.BinaryLoader.prototype.loadAjaxBuffers = function ( json, callback, binaryPath, texturePath, callbackProgress ) {
+
+ var xhr = new XMLHttpRequest(),
+ url = binaryPath + "/" + json.buffers;
+
+ var length = 0;
+
+ xhr.onreadystatechange = function () {
+
+ if ( xhr.readyState == 4 ) {
+
+ if ( xhr.status == 200 || xhr.status == 0 ) {
+
+ THREE.BinaryLoader.prototype.createBinModel( xhr.response, callback, texturePath, json.materials );
+
+ } else {
+
+ console.error( "THREE.BinaryLoader: Couldn't load [" + url + "] [" + xhr.status + "]" );
+
+ }
+
+ } else if ( xhr.readyState == 3 ) {
+
+ if ( callbackProgress ) {
+
+ if ( length == 0 ) {
+
+ length = xhr.getResponseHeader( "Content-Length" );
+
+ }
+
+ callbackProgress( { total: length, loaded: xhr.responseText.length } );
+
+ }
+
+ } else if ( xhr.readyState == 2 ) {
+
+ length = xhr.getResponseHeader( "Content-Length" );
+
+ }
+
+ };
+
+ xhr.open( "GET", url, true );
+ xhr.responseType = "arraybuffer";
+ xhr.send( null );
+
+};
+
+// Binary AJAX parser
+
+THREE.BinaryLoader.prototype.createBinModel = function ( data, callback, texturePath, materials ) {
+
+ var Model = function ( texturePath ) {
+
+ var scope = this,
+ currentOffset = 0,
+ md,
+ normals = [],
+ uvs = [],
+ start_tri_flat, start_tri_smooth, start_tri_flat_uv, start_tri_smooth_uv,
+ start_quad_flat, start_quad_smooth, start_quad_flat_uv, start_quad_smooth_uv,
+ tri_size, quad_size,
+ len_tri_flat, len_tri_smooth, len_tri_flat_uv, len_tri_smooth_uv,
+ len_quad_flat, len_quad_smooth, len_quad_flat_uv, len_quad_smooth_uv;
+
+
+ THREE.Geometry.call( this );
+
+ THREE.Loader.prototype.initMaterials( scope, materials, texturePath );
+
+ md = parseMetaData( data, currentOffset );
+
+ currentOffset += md.header_bytes;
+/*
+ md.vertex_index_bytes = Uint32Array.BYTES_PER_ELEMENT;
+ md.material_index_bytes = Uint16Array.BYTES_PER_ELEMENT;
+ md.normal_index_bytes = Uint32Array.BYTES_PER_ELEMENT;
+ md.uv_index_bytes = Uint32Array.BYTES_PER_ELEMENT;
+*/
+ // buffers sizes
+
+ tri_size = md.vertex_index_bytes * 3 + md.material_index_bytes;
+ quad_size = md.vertex_index_bytes * 4 + md.material_index_bytes;
+
+ len_tri_flat = md.ntri_flat * ( tri_size );
+ len_tri_smooth = md.ntri_smooth * ( tri_size + md.normal_index_bytes * 3 );
+ len_tri_flat_uv = md.ntri_flat_uv * ( tri_size + md.uv_index_bytes * 3 );
+ len_tri_smooth_uv = md.ntri_smooth_uv * ( tri_size + md.normal_index_bytes * 3 + md.uv_index_bytes * 3 );
+
+ len_quad_flat = md.nquad_flat * ( quad_size );
+ len_quad_smooth = md.nquad_smooth * ( quad_size + md.normal_index_bytes * 4 );
+ len_quad_flat_uv = md.nquad_flat_uv * ( quad_size + md.uv_index_bytes * 4 );
+ len_quad_smooth_uv = md.nquad_smooth_uv * ( quad_size + md.normal_index_bytes * 4 + md.uv_index_bytes * 4 );
+
+ // read buffers
+
+ currentOffset += init_vertices( currentOffset );
+
+ currentOffset += init_normals( currentOffset );
+ currentOffset += handlePadding( md.nnormals * 3 );
+
+ currentOffset += init_uvs( currentOffset );
+
+ start_tri_flat = currentOffset;
+ start_tri_smooth = start_tri_flat + len_tri_flat + handlePadding( md.ntri_flat * 2 );
+ start_tri_flat_uv = start_tri_smooth + len_tri_smooth + handlePadding( md.ntri_smooth * 2 );
+ start_tri_smooth_uv = start_tri_flat_uv + len_tri_flat_uv + handlePadding( md.ntri_flat_uv * 2 );
+
+ start_quad_flat = start_tri_smooth_uv + len_tri_smooth_uv + handlePadding( md.ntri_smooth_uv * 2 );
+ start_quad_smooth = start_quad_flat + len_quad_flat + handlePadding( md.nquad_flat * 2 );
+ start_quad_flat_uv = start_quad_smooth + len_quad_smooth + handlePadding( md.nquad_smooth * 2 );
+ start_quad_smooth_uv= start_quad_flat_uv + len_quad_flat_uv + handlePadding( md.nquad_flat_uv * 2 );
+
+ // have to first process faces with uvs
+ // so that face and uv indices match
+
+ init_triangles_flat_uv( start_tri_flat_uv );
+ init_triangles_smooth_uv( start_tri_smooth_uv );
+
+ init_quads_flat_uv( start_quad_flat_uv );
+ init_quads_smooth_uv( start_quad_smooth_uv );
+
+ // now we can process untextured faces
+
+ init_triangles_flat( start_tri_flat );
+ init_triangles_smooth( start_tri_smooth );
+
+ init_quads_flat( start_quad_flat );
+ init_quads_smooth( start_quad_smooth );
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+
+ if ( THREE.Loader.prototype.hasNormals( this ) ) this.computeTangents();
+
+ function handlePadding( n ) {
+
+ return ( n % 4 ) ? ( 4 - n % 4 ) : 0;
+
+ };
+
+ function parseMetaData( data, offset ) {
+
+ var metaData = {
+
+ 'signature' :parseString( data, offset, 12 ),
+ 'header_bytes' :parseUChar8( data, offset + 12 ),
+
+ 'vertex_coordinate_bytes' :parseUChar8( data, offset + 13 ),
+ 'normal_coordinate_bytes' :parseUChar8( data, offset + 14 ),
+ 'uv_coordinate_bytes' :parseUChar8( data, offset + 15 ),
+
+ 'vertex_index_bytes' :parseUChar8( data, offset + 16 ),
+ 'normal_index_bytes' :parseUChar8( data, offset + 17 ),
+ 'uv_index_bytes' :parseUChar8( data, offset + 18 ),
+ 'material_index_bytes' :parseUChar8( data, offset + 19 ),
+
+ 'nvertices' :parseUInt32( data, offset + 20 ),
+ 'nnormals' :parseUInt32( data, offset + 20 + 4*1 ),
+ 'nuvs' :parseUInt32( data, offset + 20 + 4*2 ),
+
+ 'ntri_flat' :parseUInt32( data, offset + 20 + 4*3 ),
+ 'ntri_smooth' :parseUInt32( data, offset + 20 + 4*4 ),
+ 'ntri_flat_uv' :parseUInt32( data, offset + 20 + 4*5 ),
+ 'ntri_smooth_uv' :parseUInt32( data, offset + 20 + 4*6 ),
+
+ 'nquad_flat' :parseUInt32( data, offset + 20 + 4*7 ),
+ 'nquad_smooth' :parseUInt32( data, offset + 20 + 4*8 ),
+ 'nquad_flat_uv' :parseUInt32( data, offset + 20 + 4*9 ),
+ 'nquad_smooth_uv' :parseUInt32( data, offset + 20 + 4*10 )
+
+ };
+/*
+ console.log( "signature: " + metaData.signature );
+
+ console.log( "header_bytes: " + metaData.header_bytes );
+ console.log( "vertex_coordinate_bytes: " + metaData.vertex_coordinate_bytes );
+ console.log( "normal_coordinate_bytes: " + metaData.normal_coordinate_bytes );
+ console.log( "uv_coordinate_bytes: " + metaData.uv_coordinate_bytes );
+
+ console.log( "vertex_index_bytes: " + metaData.vertex_index_bytes );
+ console.log( "normal_index_bytes: " + metaData.normal_index_bytes );
+ console.log( "uv_index_bytes: " + metaData.uv_index_bytes );
+ console.log( "material_index_bytes: " + metaData.material_index_bytes );
+
+ console.log( "nvertices: " + metaData.nvertices );
+ console.log( "nnormals: " + metaData.nnormals );
+ console.log( "nuvs: " + metaData.nuvs );
+
+ console.log( "ntri_flat: " + metaData.ntri_flat );
+ console.log( "ntri_smooth: " + metaData.ntri_smooth );
+ console.log( "ntri_flat_uv: " + metaData.ntri_flat_uv );
+ console.log( "ntri_smooth_uv: " + metaData.ntri_smooth_uv );
+
+ console.log( "nquad_flat: " + metaData.nquad_flat );
+ console.log( "nquad_smooth: " + metaData.nquad_smooth );
+ console.log( "nquad_flat_uv: " + metaData.nquad_flat_uv );
+ console.log( "nquad_smooth_uv: " + metaData.nquad_smooth_uv );
+
+ var total = metaData.header_bytes
+ + metaData.nvertices * metaData.vertex_coordinate_bytes * 3
+ + metaData.nnormals * metaData.normal_coordinate_bytes * 3
+ + metaData.nuvs * metaData.uv_coordinate_bytes * 2
+ + metaData.ntri_flat * ( metaData.vertex_index_bytes*3 + metaData.material_index_bytes )
+ + metaData.ntri_smooth * ( metaData.vertex_index_bytes*3 + metaData.material_index_bytes + metaData.normal_index_bytes*3 )
+ + metaData.ntri_flat_uv * ( metaData.vertex_index_bytes*3 + metaData.material_index_bytes + metaData.uv_index_bytes*3 )
+ + metaData.ntri_smooth_uv * ( metaData.vertex_index_bytes*3 + metaData.material_index_bytes + metaData.normal_index_bytes*3 + metaData.uv_index_bytes*3 )
+ + metaData.nquad_flat * ( metaData.vertex_index_bytes*4 + metaData.material_index_bytes )
+ + metaData.nquad_smooth * ( metaData.vertex_index_bytes*4 + metaData.material_index_bytes + metaData.normal_index_bytes*4 )
+ + metaData.nquad_flat_uv * ( metaData.vertex_index_bytes*4 + metaData.material_index_bytes + metaData.uv_index_bytes*4 )
+ + metaData.nquad_smooth_uv * ( metaData.vertex_index_bytes*4 + metaData.material_index_bytes + metaData.normal_index_bytes*4 + metaData.uv_index_bytes*4 );
+ console.log( "total bytes: " + total );
+*/
+
+ return metaData;
+
+ };
+
+ function parseString( data, offset, length ) {
+
+ var charArray = new Uint8Array( data, offset, length );
+
+ var text = "";
+
+ for ( var i = 0; i < length; i ++ ) {
+
+ text += String.fromCharCode( charArray[ offset + i ] );
+
+ }
+
+ return text;
+
+ };
+
+ function parseUChar8( data, offset ) {
+
+ var charArray = new Uint8Array( data, offset, 1 );
+
+ return charArray[ 0 ];
+
+ };
+
+ function parseUInt32( data, offset ) {
+
+ var intArray = new Uint32Array( data, offset, 1 );
+
+ return intArray[ 0 ];
+
+ };
+
+ function init_vertices( start ) {
+
+ var nElements = md.nvertices;
+
+ var coordArray = new Float32Array( data, start, nElements * 3 );
+
+ var i, x, y, z;
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ x = coordArray[ i * 3 ];
+ y = coordArray[ i * 3 + 1 ];
+ z = coordArray[ i * 3 + 2 ];
+
+ vertex( scope, x, y, z );
+
+ }
+
+ return nElements * 3 * Float32Array.BYTES_PER_ELEMENT;
+
+ };
+
+ function init_normals( start ) {
+
+ var nElements = md.nnormals;
+
+ if ( nElements ) {
+
+ var normalArray = new Int8Array( data, start, nElements * 3 );
+
+ var i, x, y, z;
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ x = normalArray[ i * 3 ];
+ y = normalArray[ i * 3 + 1 ];
+ z = normalArray[ i * 3 + 2 ];
+
+ normals.push( x/127, y/127, z/127 );
+
+ }
+
+ }
+
+ return nElements * 3 * Int8Array.BYTES_PER_ELEMENT;
+
+ };
+
+ function init_uvs( start ) {
+
+ var nElements = md.nuvs;
+
+ if ( nElements ) {
+
+ var uvArray = new Float32Array( data, start, nElements * 2 );
+
+ var i, u, v;
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ u = uvArray[ i * 2 ];
+ v = uvArray[ i * 2 + 1 ];
+
+ uvs.push( u, v );
+
+ }
+
+ }
+
+ return nElements * 2 * Float32Array.BYTES_PER_ELEMENT;
+
+ };
+
+ function init_uvs3( nElements, offset ) {
+
+ var i, uva, uvb, uvc, u1, u2, u3, v1, v2, v3;
+
+ var uvIndexBuffer = new Uint32Array( data, offset, 3 * nElements );
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ uva = uvIndexBuffer[ i * 3 ];
+ uvb = uvIndexBuffer[ i * 3 + 1 ];
+ uvc = uvIndexBuffer[ i * 3 + 2 ];
+
+ u1 = uvs[ uva*2 ];
+ v1 = uvs[ uva*2 + 1 ];
+
+ u2 = uvs[ uvb*2 ];
+ v2 = uvs[ uvb*2 + 1 ];
+
+ u3 = uvs[ uvc*2 ];
+ v3 = uvs[ uvc*2 + 1 ];
+
+ uv3( scope.faceVertexUvs[ 0 ], u1, v1, u2, v2, u3, v3 );
+
+ }
+
+ };
+
+ function init_uvs4( nElements, offset ) {
+
+ var i, uva, uvb, uvc, uvd, u1, u2, u3, u4, v1, v2, v3, v4;
+
+ var uvIndexBuffer = new Uint32Array( data, offset, 4 * nElements );
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ uva = uvIndexBuffer[ i * 4 ];
+ uvb = uvIndexBuffer[ i * 4 + 1 ];
+ uvc = uvIndexBuffer[ i * 4 + 2 ];
+ uvd = uvIndexBuffer[ i * 4 + 3 ];
+
+ u1 = uvs[ uva*2 ];
+ v1 = uvs[ uva*2 + 1 ];
+
+ u2 = uvs[ uvb*2 ];
+ v2 = uvs[ uvb*2 + 1 ];
+
+ u3 = uvs[ uvc*2 ];
+ v3 = uvs[ uvc*2 + 1 ];
+
+ u4 = uvs[ uvd*2 ];
+ v4 = uvs[ uvd*2 + 1 ];
+
+ uv4( scope.faceVertexUvs[ 0 ], u1, v1, u2, v2, u3, v3, u4, v4 );
+
+ }
+
+ };
+
+ function init_faces3_flat( nElements, offsetVertices, offsetMaterials ) {
+
+ var i, a, b, c, m;
+
+ var vertexIndexBuffer = new Uint32Array( data, offsetVertices, 3 * nElements );
+ var materialIndexBuffer = new Uint16Array( data, offsetMaterials, nElements );
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ a = vertexIndexBuffer[ i * 3 ];
+ b = vertexIndexBuffer[ i * 3 + 1 ];
+ c = vertexIndexBuffer[ i * 3 + 2 ];
+
+ m = materialIndexBuffer[ i ];
+
+ f3( scope, a, b, c, m );
+
+ }
+
+ };
+
+ function init_faces4_flat( nElements, offsetVertices, offsetMaterials ) {
+
+ var i, a, b, c, d, m;
+
+ var vertexIndexBuffer = new Uint32Array( data, offsetVertices, 4 * nElements );
+ var materialIndexBuffer = new Uint16Array( data, offsetMaterials, nElements );
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ a = vertexIndexBuffer[ i * 4 ];
+ b = vertexIndexBuffer[ i * 4 + 1 ];
+ c = vertexIndexBuffer[ i * 4 + 2 ];
+ d = vertexIndexBuffer[ i * 4 + 3 ];
+
+ m = materialIndexBuffer[ i ];
+
+ f4( scope, a, b, c, d, m );
+
+ }
+
+ };
+
+ function init_faces3_smooth( nElements, offsetVertices, offsetNormals, offsetMaterials ) {
+
+ var i, a, b, c, m;
+ var na, nb, nc;
+
+ var vertexIndexBuffer = new Uint32Array( data, offsetVertices, 3 * nElements );
+ var normalIndexBuffer = new Uint32Array( data, offsetNormals, 3 * nElements );
+ var materialIndexBuffer = new Uint16Array( data, offsetMaterials, nElements );
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ a = vertexIndexBuffer[ i * 3 ];
+ b = vertexIndexBuffer[ i * 3 + 1 ];
+ c = vertexIndexBuffer[ i * 3 + 2 ];
+
+ na = normalIndexBuffer[ i * 3 ];
+ nb = normalIndexBuffer[ i * 3 + 1 ];
+ nc = normalIndexBuffer[ i * 3 + 2 ];
+
+ m = materialIndexBuffer[ i ];
+
+ f3n( scope, normals, a, b, c, m, na, nb, nc );
+
+ }
+
+ };
+
+ function init_faces4_smooth( nElements, offsetVertices, offsetNormals, offsetMaterials ) {
+
+ var i, a, b, c, d, m;
+ var na, nb, nc, nd;
+
+ var vertexIndexBuffer = new Uint32Array( data, offsetVertices, 4 * nElements );
+ var normalIndexBuffer = new Uint32Array( data, offsetNormals, 4 * nElements );
+ var materialIndexBuffer = new Uint16Array( data, offsetMaterials, nElements );
+
+ for( i = 0; i < nElements; i ++ ) {
+
+ a = vertexIndexBuffer[ i * 4 ];
+ b = vertexIndexBuffer[ i * 4 + 1 ];
+ c = vertexIndexBuffer[ i * 4 + 2 ];
+ d = vertexIndexBuffer[ i * 4 + 3 ];
+
+ na = normalIndexBuffer[ i * 4 ];
+ nb = normalIndexBuffer[ i * 4 + 1 ];
+ nc = normalIndexBuffer[ i * 4 + 2 ];
+ nd = normalIndexBuffer[ i * 4 + 3 ];
+
+ m = materialIndexBuffer[ i ];
+
+ f4n( scope, normals, a, b, c, d, m, na, nb, nc, nd );
+
+ }
+
+ };
+
+ function init_triangles_flat( start ) {
+
+ var nElements = md.ntri_flat;
+
+ if ( nElements ) {
+
+ var offsetMaterials = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+ init_faces3_flat( nElements, start, offsetMaterials );
+
+ }
+
+ };
+
+ function init_triangles_flat_uv( start ) {
+
+ var nElements = md.ntri_flat_uv;
+
+ if ( nElements ) {
+
+ var offsetUvs = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+ var offsetMaterials = offsetUvs + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+
+ init_faces3_flat( nElements, start, offsetMaterials );
+ init_uvs3( nElements, offsetUvs );
+
+ }
+
+ };
+
+ function init_triangles_smooth( start ) {
+
+ var nElements = md.ntri_smooth;
+
+ if ( nElements ) {
+
+ var offsetNormals = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+ var offsetMaterials = offsetNormals + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+
+ init_faces3_smooth( nElements, start, offsetNormals, offsetMaterials );
+
+ }
+
+ };
+
+ function init_triangles_smooth_uv( start ) {
+
+ var nElements = md.ntri_smooth_uv;
+
+ if ( nElements ) {
+
+ var offsetNormals = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+ var offsetUvs = offsetNormals + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+ var offsetMaterials = offsetUvs + nElements * Uint32Array.BYTES_PER_ELEMENT * 3;
+
+ init_faces3_smooth( nElements, start, offsetNormals, offsetMaterials );
+ init_uvs3( nElements, offsetUvs );
+
+ }
+
+ };
+
+ function init_quads_flat( start ) {
+
+ var nElements = md.nquad_flat;
+
+ if ( nElements ) {
+
+ var offsetMaterials = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+ init_faces4_flat( nElements, start, offsetMaterials );
+
+ }
+
+ };
+
+ function init_quads_flat_uv( start ) {
+
+ var nElements = md.nquad_flat_uv;
+
+ if ( nElements ) {
+
+ var offsetUvs = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+ var offsetMaterials = offsetUvs + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+
+ init_faces4_flat( nElements, start, offsetMaterials );
+ init_uvs4( nElements, offsetUvs );
+
+ }
+
+ };
+
+ function init_quads_smooth( start ) {
+
+ var nElements = md.nquad_smooth;
+
+ if ( nElements ) {
+
+ var offsetNormals = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+ var offsetMaterials = offsetNormals + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+
+ init_faces4_smooth( nElements, start, offsetNormals, offsetMaterials );
+
+ }
+
+ };
+
+ function init_quads_smooth_uv( start ) {
+
+ var nElements = md.nquad_smooth_uv;
+
+ if ( nElements ) {
+
+ var offsetNormals = start + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+ var offsetUvs = offsetNormals + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+ var offsetMaterials = offsetUvs + nElements * Uint32Array.BYTES_PER_ELEMENT * 4;
+
+ init_faces4_smooth( nElements, start, offsetNormals, offsetMaterials );
+ init_uvs4( nElements, offsetUvs );
+
+ }
+
+ };
+
+ };
+
+ function vertex ( scope, x, y, z ) {
+
+ scope.vertices.push( new THREE.Vector3( x, y, z ) );
+
+ };
+
+ function f3 ( scope, a, b, c, mi ) {
+
+ scope.faces.push( new THREE.Face3( a, b, c, null, null, mi ) );
+
+ };
+
+ function f4 ( scope, a, b, c, d, mi ) {
+
+ scope.faces.push( new THREE.Face4( a, b, c, d, null, null, mi ) );
+
+ };
+
+ function f3n ( scope, normals, a, b, c, mi, na, nb, nc ) {
+
+ var nax = normals[ na*3 ],
+ nay = normals[ na*3 + 1 ],
+ naz = normals[ na*3 + 2 ],
+
+ nbx = normals[ nb*3 ],
+ nby = normals[ nb*3 + 1 ],
+ nbz = normals[ nb*3 + 2 ],
+
+ ncx = normals[ nc*3 ],
+ ncy = normals[ nc*3 + 1 ],
+ ncz = normals[ nc*3 + 2 ];
+
+ scope.faces.push( new THREE.Face3( a, b, c,
+ [new THREE.Vector3( nax, nay, naz ),
+ new THREE.Vector3( nbx, nby, nbz ),
+ new THREE.Vector3( ncx, ncy, ncz )],
+ null,
+ mi ) );
+
+ };
+
+ function f4n ( scope, normals, a, b, c, d, mi, na, nb, nc, nd ) {
+
+ var nax = normals[ na*3 ],
+ nay = normals[ na*3 + 1 ],
+ naz = normals[ na*3 + 2 ],
+
+ nbx = normals[ nb*3 ],
+ nby = normals[ nb*3 + 1 ],
+ nbz = normals[ nb*3 + 2 ],
+
+ ncx = normals[ nc*3 ],
+ ncy = normals[ nc*3 + 1 ],
+ ncz = normals[ nc*3 + 2 ],
+
+ ndx = normals[ nd*3 ],
+ ndy = normals[ nd*3 + 1 ],
+ ndz = normals[ nd*3 + 2 ];
+
+ scope.faces.push( new THREE.Face4( a, b, c, d,
+ [new THREE.Vector3( nax, nay, naz ),
+ new THREE.Vector3( nbx, nby, nbz ),
+ new THREE.Vector3( ncx, ncy, ncz ),
+ new THREE.Vector3( ndx, ndy, ndz )],
+ null,
+ mi ) );
+
+ };
+
+ function uv3 ( where, u1, v1, u2, v2, u3, v3 ) {
+
+ var uv = [];
+ uv.push( new THREE.UV( u1, v1 ) );
+ uv.push( new THREE.UV( u2, v2 ) );
+ uv.push( new THREE.UV( u3, v3 ) );
+ where.push( uv );
+
+ };
+
+ function uv4 ( where, u1, v1, u2, v2, u3, v3, u4, v4 ) {
+
+ var uv = [];
+ uv.push( new THREE.UV( u1, v1 ) );
+ uv.push( new THREE.UV( u2, v2 ) );
+ uv.push( new THREE.UV( u3, v3 ) );
+ uv.push( new THREE.UV( u4, v4 ) );
+ where.push( uv );
+
+ };
+
+ Model.prototype = new THREE.Geometry();
+ Model.prototype.constructor = Model;
+
+ callback( new Model( texturePath ) );
+
+};
+/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.JSONLoader = function ( showStatus ) {
+
+ THREE.Loader.call( this, showStatus );
+
+};
+
+THREE.JSONLoader.prototype = new THREE.Loader();
+THREE.JSONLoader.prototype.constructor = THREE.JSONLoader;
+
+THREE.JSONLoader.prototype.load = function ( url, callback, texturePath ) {
+
+ var worker, scope = this;
+
+ texturePath = texturePath ? texturePath : this.extractUrlBase( url );
+
+ this.onLoadStart();
+ this.loadAjaxJSON( this, url, callback, texturePath );
+
+};
+
+THREE.JSONLoader.prototype.loadAjaxJSON = function ( context, url, callback, texturePath, callbackProgress ) {
+
+ var xhr = new XMLHttpRequest();
+
+ var length = 0;
+
+ xhr.onreadystatechange = function () {
+
+ if ( xhr.readyState === xhr.DONE ) {
+
+ if ( xhr.status === 200 || xhr.status === 0 ) {
+
+ if ( xhr.responseText ) {
+
+ var json = JSON.parse( xhr.responseText );
+ context.createModel( json, callback, texturePath );
+
+ } else {
+
+ console.warn( "THREE.JSONLoader: [" + url + "] seems to be unreachable or file there is empty" );
+
+ }
+
+ // in context of more complex asset initialization
+ // do not block on single failed file
+ // maybe should go even one more level up
+
+ context.onLoadComplete();
+
+ } else {
+
+ console.error( "THREE.JSONLoader: Couldn't load [" + url + "] [" + xhr.status + "]" );
+
+ }
+
+ } else if ( xhr.readyState === xhr.LOADING ) {
+
+ if ( callbackProgress ) {
+
+ if ( length === 0 ) {
+
+ length = xhr.getResponseHeader( "Content-Length" );
+
+ }
+
+ callbackProgress( { total: length, loaded: xhr.responseText.length } );
+
+ }
+
+ } else if ( xhr.readyState === xhr.HEADERS_RECEIVED ) {
+
+ length = xhr.getResponseHeader( "Content-Length" );
+
+ }
+
+ };
+
+ xhr.open( "GET", url, true );
+ if ( xhr.overrideMimeType ) xhr.overrideMimeType( "text/plain; charset=x-user-defined" );
+ xhr.setRequestHeader( "Content-Type", "text/plain" );
+ xhr.send( null );
+
+};
+
+THREE.JSONLoader.prototype.createModel = function ( json, callback, texturePath ) {
+
+ var scope = this,
+ geometry = new THREE.Geometry(),
+ scale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;
+
+ this.initMaterials( geometry, json.materials, texturePath );
+
+ parseModel( scale );
+
+ parseSkin();
+ parseMorphing( scale );
+
+ geometry.computeCentroids();
+ geometry.computeFaceNormals();
+
+ if ( this.hasNormals( geometry ) ) geometry.computeTangents();
+
+
+ function parseModel( scale ) {
+
+ function isBitSet( value, position ) {
+
+ return value & ( 1 << position );
+
+ }
+
+ var i, j, fi,
+
+ offset, zLength, nVertices,
+
+ colorIndex, normalIndex, uvIndex, materialIndex,
+
+ type,
+ isQuad,
+ hasMaterial,
+ hasFaceUv, hasFaceVertexUv,
+ hasFaceNormal, hasFaceVertexNormal,
+ hasFaceColor, hasFaceVertexColor,
+
+ vertex, face, color, normal,
+
+ uvLayer, uvs, u, v,
+
+ faces = json.faces,
+ vertices = json.vertices,
+ normals = json.normals,
+ colors = json.colors,
+
+ nUvLayers = 0;
+
+ // disregard empty arrays
+
+ for ( i = 0; i < json.uvs.length; i++ ) {
+
+ if ( json.uvs[ i ].length ) nUvLayers ++;
+
+ }
+
+ for ( i = 0; i < nUvLayers; i++ ) {
+
+ geometry.faceUvs[ i ] = [];
+ geometry.faceVertexUvs[ i ] = [];
+
+ }
+
+ offset = 0;
+ zLength = vertices.length;
+
+ while ( offset < zLength ) {
+
+ vertex = new THREE.Vector3();
+
+ vertex.x = vertices[ offset ++ ] * scale;
+ vertex.y = vertices[ offset ++ ] * scale;
+ vertex.z = vertices[ offset ++ ] * scale;
+
+ geometry.vertices.push( vertex );
+
+ }
+
+ offset = 0;
+ zLength = faces.length;
+
+ while ( offset < zLength ) {
+
+ type = faces[ offset ++ ];
+
+
+ isQuad = isBitSet( type, 0 );
+ hasMaterial = isBitSet( type, 1 );
+ hasFaceUv = isBitSet( type, 2 );
+ hasFaceVertexUv = isBitSet( type, 3 );
+ hasFaceNormal = isBitSet( type, 4 );
+ hasFaceVertexNormal = isBitSet( type, 5 );
+ hasFaceColor = isBitSet( type, 6 );
+ hasFaceVertexColor = isBitSet( type, 7 );
+
+ //console.log("type", type, "bits", isQuad, hasMaterial, hasFaceUv, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);
+
+ if ( isQuad ) {
+
+ face = new THREE.Face4();
+
+ face.a = faces[ offset ++ ];
+ face.b = faces[ offset ++ ];
+ face.c = faces[ offset ++ ];
+ face.d = faces[ offset ++ ];
+
+ nVertices = 4;
+
+ } else {
+
+ face = new THREE.Face3();
+
+ face.a = faces[ offset ++ ];
+ face.b = faces[ offset ++ ];
+ face.c = faces[ offset ++ ];
+
+ nVertices = 3;
+
+ }
+
+ if ( hasMaterial ) {
+
+ materialIndex = faces[ offset ++ ];
+ face.materialIndex = materialIndex;
+
+ }
+
+ // to get face <=> uv index correspondence
+
+ fi = geometry.faces.length;
+
+ if ( hasFaceUv ) {
+
+ for ( i = 0; i < nUvLayers; i++ ) {
+
+ uvLayer = json.uvs[ i ];
+
+ uvIndex = faces[ offset ++ ];
+
+ u = uvLayer[ uvIndex * 2 ];
+ v = uvLayer[ uvIndex * 2 + 1 ];
+
+ geometry.faceUvs[ i ][ fi ] = new THREE.UV( u, v );
+
+ }
+
+ }
+
+ if ( hasFaceVertexUv ) {
+
+ for ( i = 0; i < nUvLayers; i++ ) {
+
+ uvLayer = json.uvs[ i ];
+
+ uvs = [];
+
+ for ( j = 0; j < nVertices; j ++ ) {
+
+ uvIndex = faces[ offset ++ ];
+
+ u = uvLayer[ uvIndex * 2 ];
+ v = uvLayer[ uvIndex * 2 + 1 ];
+
+ uvs[ j ] = new THREE.UV( u, v );
+
+ }
+
+ geometry.faceVertexUvs[ i ][ fi ] = uvs;
+
+ }
+
+ }
+
+ if ( hasFaceNormal ) {
+
+ normalIndex = faces[ offset ++ ] * 3;
+
+ normal = new THREE.Vector3();
+
+ normal.x = normals[ normalIndex ++ ];
+ normal.y = normals[ normalIndex ++ ];
+ normal.z = normals[ normalIndex ];
+
+ face.normal = normal;
+
+ }
+
+ if ( hasFaceVertexNormal ) {
+
+ for ( i = 0; i < nVertices; i++ ) {
+
+ normalIndex = faces[ offset ++ ] * 3;
+
+ normal = new THREE.Vector3();
+
+ normal.x = normals[ normalIndex ++ ];
+ normal.y = normals[ normalIndex ++ ];
+ normal.z = normals[ normalIndex ];
+
+ face.vertexNormals.push( normal );
+
+ }
+
+ }
+
+
+ if ( hasFaceColor ) {
+
+ colorIndex = faces[ offset ++ ];
+
+ color = new THREE.Color( colors[ colorIndex ] );
+ face.color = color;
+
+ }
+
+
+ if ( hasFaceVertexColor ) {
+
+ for ( i = 0; i < nVertices; i++ ) {
+
+ colorIndex = faces[ offset ++ ];
+
+ color = new THREE.Color( colors[ colorIndex ] );
+ face.vertexColors.push( color );
+
+ }
+
+ }
+
+ geometry.faces.push( face );
+
+ }
+
+ };
+
+ function parseSkin() {
+
+ var i, l, x, y, z, w, a, b, c, d;
+
+ if ( json.skinWeights ) {
+
+ for ( i = 0, l = json.skinWeights.length; i < l; i += 2 ) {
+
+ x = json.skinWeights[ i ];
+ y = json.skinWeights[ i + 1 ];
+ z = 0;
+ w = 0;
+
+ geometry.skinWeights.push( new THREE.Vector4( x, y, z, w ) );
+
+ }
+
+ }
+
+ if ( json.skinIndices ) {
+
+ for ( i = 0, l = json.skinIndices.length; i < l; i += 2 ) {
+
+ a = json.skinIndices[ i ];
+ b = json.skinIndices[ i + 1 ];
+ c = 0;
+ d = 0;
+
+ geometry.skinIndices.push( new THREE.Vector4( a, b, c, d ) );
+
+ }
+
+ }
+
+ geometry.bones = json.bones;
+ geometry.animation = json.animation;
+
+ };
+
+ function parseMorphing( scale ) {
+
+ if ( json.morphTargets !== undefined ) {
+
+ var i, l, v, vl, dstVertices, srcVertices;
+
+ for ( i = 0, l = json.morphTargets.length; i < l; i ++ ) {
+
+ geometry.morphTargets[ i ] = {};
+ geometry.morphTargets[ i ].name = json.morphTargets[ i ].name;
+ geometry.morphTargets[ i ].vertices = [];
+
+ dstVertices = geometry.morphTargets[ i ].vertices;
+ srcVertices = json.morphTargets [ i ].vertices;
+
+ for( v = 0, vl = srcVertices.length; v < vl; v += 3 ) {
+
+ var vertex = new THREE.Vector3();
+ vertex.x = srcVertices[ v ] * scale;
+ vertex.y = srcVertices[ v + 1 ] * scale;
+ vertex.z = srcVertices[ v + 2 ] * scale;
+
+ dstVertices.push( vertex );
+
+ }
+
+ }
+
+ }
+
+ if ( json.morphColors !== undefined ) {
+
+ var i, l, c, cl, dstColors, srcColors, color;
+
+ for ( i = 0, l = json.morphColors.length; i < l; i++ ) {
+
+ geometry.morphColors[ i ] = {};
+ geometry.morphColors[ i ].name = json.morphColors[ i ].name;
+ geometry.morphColors[ i ].colors = [];
+
+ dstColors = geometry.morphColors[ i ].colors;
+ srcColors = json.morphColors [ i ].colors;
+
+ for ( c = 0, cl = srcColors.length; c < cl; c += 3 ) {
+
+ color = new THREE.Color( 0xffaa00 );
+ color.setRGB( srcColors[ c ], srcColors[ c + 1 ], srcColors[ c + 2 ] );
+ dstColors.push( color );
+
+ }
+
+ }
+
+ }
+
+ };
+
+ callback( geometry );
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.SceneLoader = function () {
+
+ this.onLoadStart = function () {};
+ this.onLoadProgress = function() {};
+ this.onLoadComplete = function () {};
+
+ this.callbackSync = function () {};
+ this.callbackProgress = function () {};
+
+};
+
+THREE.SceneLoader.prototype.constructor = THREE.SceneLoader;
+
+THREE.SceneLoader.prototype.load = function( url, callbackFinished ) {
+
+ var context = this;
+
+ var xhr = new XMLHttpRequest();
+
+ xhr.onreadystatechange = function () {
+
+ if ( xhr.readyState == 4 ) {
+
+ if ( xhr.status == 200 || xhr.status == 0 ) {
+
+ var json = JSON.parse( xhr.responseText );
+ context.createScene( json, callbackFinished, url );
+
+ } else {
+
+ console.error( "THREE.SceneLoader: Couldn't load [" + url + "] [" + xhr.status + "]" );
+
+ }
+
+ }
+
+ };
+
+ xhr.open( "GET", url, true );
+ if ( xhr.overrideMimeType ) xhr.overrideMimeType( "text/plain; charset=x-user-defined" );
+ xhr.setRequestHeader( "Content-Type", "text/plain" );
+ xhr.send( null );
+
+};
+
+THREE.SceneLoader.prototype.createScene = function ( json, callbackFinished, url ) {
+
+ var scope = this;
+
+ var urlBase = THREE.Loader.prototype.extractUrlBase( url );
+
+ var dg, dm, dd, dl, dc, df, dt,
+ g, o, m, l, d, p, r, q, s, c, t, f, tt, pp, u,
+ geometry, material, camera, fog,
+ texture, images,
+ light,
+ data, binLoader, jsonLoader,
+ counter_models, counter_textures,
+ total_models, total_textures,
+ result;
+
+ data = json;
+
+ binLoader = new THREE.BinaryLoader();
+ jsonLoader = new THREE.JSONLoader();
+
+ counter_models = 0;
+ counter_textures = 0;
+
+ result = {
+
+ scene: new THREE.Scene(),
+ geometries: {},
+ materials: {},
+ textures: {},
+ objects: {},
+ cameras: {},
+ lights: {},
+ fogs: {},
+ empties: {}
+
+ };
+
+ if ( data.transform ) {
+
+ var position = data.transform.position,
+ rotation = data.transform.rotation,
+ scale = data.transform.scale;
+
+ if ( position )
+ result.scene.position.set( position[ 0 ], position[ 1 ], position [ 2 ] );
+
+ if ( rotation )
+ result.scene.rotation.set( rotation[ 0 ], rotation[ 1 ], rotation [ 2 ] );
+
+ if ( scale )
+ result.scene.scale.set( scale[ 0 ], scale[ 1 ], scale [ 2 ] );
+
+ if ( position || rotation || scale ) {
+
+ result.scene.updateMatrix();
+ result.scene.updateMatrixWorld();
+
+ }
+
+ }
+
+ function get_url( source_url, url_type ) {
+
+ if ( url_type == "relativeToHTML" ) {
+
+ return source_url;
+
+ } else {
+
+ return urlBase + "/" + source_url;
+
+ }
+
+ };
+
+ function handle_objects() {
+
+ var object;
+
+ for( dd in data.objects ) {
+
+ if ( !result.objects[ dd ] ) {
+
+ o = data.objects[ dd ];
+
+ if ( o.geometry !== undefined ) {
+
+ geometry = result.geometries[ o.geometry ];
+
+ // geometry already loaded
+
+ if ( geometry ) {
+
+ var hasNormals = false;
+
+ // not anymore support for multiple materials
+ // shouldn't really be array
+
+ material = result.materials[ o.materials[ 0 ] ];
+ hasNormals = material instanceof THREE.ShaderMaterial;
+
+ if ( hasNormals ) {
+
+ geometry.computeTangents();
+
+ }
+
+ p = o.position;
+ r = o.rotation;
+ q = o.quaternion;
+ s = o.scale;
+ m = o.matrix;
+
+ // turn off quaternions, for the moment
+
+ q = 0;
+
+ if ( o.materials.length == 0 ) {
+
+ material = new THREE.MeshFaceMaterial();
+
+ }
+
+ // dirty hack to handle meshes with multiple materials
+ // just use face materials defined in model
+
+ if ( o.materials.length > 1 ) {
+
+ material = new THREE.MeshFaceMaterial();
+
+ }
+
+ object = new THREE.Mesh( geometry, material );
+ object.name = dd;
+
+ if ( m ) {
+
+ object.matrixAutoUpdate = false;
+ object.matrix.set( m[0], m[1], m[2], m[3],
+ m[4], m[5], m[6], m[7],
+ m[8], m[9], m[10], m[11],
+ m[12], m[13], m[14], m[15]);
+
+ } else {
+
+ object.position.set( p[0], p[1], p[2] );
+
+ if ( q ) {
+
+ object.quaternion.set( q[0], q[1], q[2], q[3] );
+ object.useQuaternion = true;
+
+ } else {
+
+ object.rotation.set( r[0], r[1], r[2] );
+
+ }
+
+ object.scale.set( s[0], s[1], s[2] );
+
+ }
+
+ object.visible = o.visible;
+ object.doubleSided = o.doubleSided;
+ object.castShadow = o.castShadow;
+ object.receiveShadow = o.receiveShadow;
+
+ result.scene.add( object );
+
+ result.objects[ dd ] = object;
+
+ }
+
+ // pure Object3D
+
+ } else {
+
+ p = o.position;
+ r = o.rotation;
+ q = o.quaternion;
+ s = o.scale;
+
+ // turn off quaternions, for the moment
+
+ q = 0;
+
+ object = new THREE.Object3D();
+ object.name = dd;
+ object.position.set( p[0], p[1], p[2] );
+
+ if ( q ) {
+
+ object.quaternion.set( q[0], q[1], q[2], q[3] );
+ object.useQuaternion = true;
+
+ } else {
+
+ object.rotation.set( r[0], r[1], r[2] );
+
+ }
+
+ object.scale.set( s[0], s[1], s[2] );
+ object.visible = ( o.visible !== undefined ) ? o.visible : false;
+
+ result.scene.add( object );
+
+ result.objects[ dd ] = object;
+ result.empties[ dd ] = object;
+
+ }
+
+ }
+
+ }
+
+ };
+
+ function handle_mesh( geo, id ) {
+
+ result.geometries[ id ] = geo;
+ handle_objects();
+
+ };
+
+ function create_callback( id ) {
+
+ return function( geo ) {
+
+ handle_mesh( geo, id );
+
+ counter_models -= 1;
+
+ scope.onLoadComplete();
+
+ async_callback_gate();
+
+ }
+
+ };
+
+ function create_callback_embed( id ) {
+
+ return function( geo ) {
+
+ result.geometries[ id ] = geo;
+
+ }
+
+ };
+
+ function async_callback_gate() {
+
+ var progress = {
+
+ totalModels : total_models,
+ totalTextures : total_textures,
+ loadedModels : total_models - counter_models,
+ loadedTextures : total_textures - counter_textures
+
+ };
+
+ scope.callbackProgress( progress, result );
+
+ scope.onLoadProgress();
+
+ if( counter_models == 0 && counter_textures == 0 ) {
+
+ callbackFinished( result );
+
+ }
+
+ };
+
+ var callbackTexture = function( images ) {
+
+ counter_textures -= 1;
+ async_callback_gate();
+
+ scope.onLoadComplete();
+
+ };
+
+ // first go synchronous elements
+
+ // cameras
+
+ for( dc in data.cameras ) {
+
+ c = data.cameras[ dc ];
+
+ if ( c.type == "perspective" ) {
+
+ camera = new THREE.PerspectiveCamera( c.fov, c.aspect, c.near, c.far );
+
+ } else if ( c.type == "ortho" ) {
+
+ camera = new THREE.OrthographicCamera( c.left, c.right, c.top, c.bottom, c.near, c.far );
+
+ }
+
+ p = c.position;
+ t = c.target;
+ u = c.up;
+
+ camera.position.set( p[0], p[1], p[2] );
+ camera.target = new THREE.Vector3( t[0], t[1], t[2] );
+ if ( u ) camera.up.set( u[0], u[1], u[2] );
+
+ result.cameras[ dc ] = camera;
+
+ }
+
+ // lights
+
+ var hex, intensity;
+
+ for ( dl in data.lights ) {
+
+ l = data.lights[ dl ];
+
+ hex = ( l.color !== undefined ) ? l.color : 0xffffff;
+ intensity = ( l.intensity !== undefined ) ? l.intensity : 1;
+
+ if ( l.type == "directional" ) {
+
+ p = l.direction;
+
+ light = new THREE.DirectionalLight( hex, intensity );
+ light.position.set( p[0], p[1], p[2] );
+ light.position.normalize();
+
+ } else if ( l.type == "point" ) {
+
+ p = l.position;
+ d = l.distance;
+
+ light = new THREE.PointLight( hex, intensity, d );
+ light.position.set( p[0], p[1], p[2] );
+
+ } else if ( l.type == "ambient" ) {
+
+ light = new THREE.AmbientLight( hex );
+
+ }
+
+ result.scene.add( light );
+
+ result.lights[ dl ] = light;
+
+ }
+
+ // fogs
+
+ for( df in data.fogs ) {
+
+ f = data.fogs[ df ];
+
+ if ( f.type == "linear" ) {
+
+ fog = new THREE.Fog( 0x000000, f.near, f.far );
+
+ } else if ( f.type == "exp2" ) {
+
+ fog = new THREE.FogExp2( 0x000000, f.density );
+
+ }
+
+ c = f.color;
+ fog.color.setRGB( c[0], c[1], c[2] );
+
+ result.fogs[ df ] = fog;
+
+ }
+
+ // defaults
+
+ if ( result.cameras && data.defaults.camera ) {
+
+ result.currentCamera = result.cameras[ data.defaults.camera ];
+
+ }
+
+ if ( result.fogs && data.defaults.fog ) {
+
+ result.scene.fog = result.fogs[ data.defaults.fog ];
+
+ }
+
+ c = data.defaults.bgcolor;
+ result.bgColor = new THREE.Color();
+ result.bgColor.setRGB( c[0], c[1], c[2] );
+
+ result.bgColorAlpha = data.defaults.bgalpha;
+
+ // now come potentially asynchronous elements
+
+ // geometries
+
+ // count how many models will be loaded asynchronously
+
+ for( dg in data.geometries ) {
+
+ g = data.geometries[ dg ];
+
+ if ( g.type == "bin_mesh" || g.type == "ascii_mesh" ) {
+
+ counter_models += 1;
+
+ scope.onLoadStart();
+
+ }
+
+ }
+
+ total_models = counter_models;
+
+ for ( dg in data.geometries ) {
+
+ g = data.geometries[ dg ];
+
+ if ( g.type == "cube" ) {
+
+ geometry = new THREE.CubeGeometry( g.width, g.height, g.depth, g.segmentsWidth, g.segmentsHeight, g.segmentsDepth, null, g.flipped, g.sides );
+ result.geometries[ dg ] = geometry;
+
+ } else if ( g.type == "plane" ) {
+
+ geometry = new THREE.PlaneGeometry( g.width, g.height, g.segmentsWidth, g.segmentsHeight );
+ result.geometries[ dg ] = geometry;
+
+ } else if ( g.type == "sphere" ) {
+
+ geometry = new THREE.SphereGeometry( g.radius, g.segmentsWidth, g.segmentsHeight );
+ result.geometries[ dg ] = geometry;
+
+ } else if ( g.type == "cylinder" ) {
+
+ geometry = new THREE.CylinderGeometry( g.topRad, g.botRad, g.height, g.radSegs, g.heightSegs );
+ result.geometries[ dg ] = geometry;
+
+ } else if ( g.type == "torus" ) {
+
+ geometry = new THREE.TorusGeometry( g.radius, g.tube, g.segmentsR, g.segmentsT );
+ result.geometries[ dg ] = geometry;
+
+ } else if ( g.type == "icosahedron" ) {
+
+ geometry = new THREE.IcosahedronGeometry( g.radius, g.subdivisions );
+ result.geometries[ dg ] = geometry;
+
+ } else if ( g.type == "bin_mesh" ) {
+
+ binLoader.load( get_url( g.url, data.urlBaseType ), create_callback( dg ) );
+
+ } else if ( g.type == "ascii_mesh" ) {
+
+ jsonLoader.load( get_url( g.url, data.urlBaseType ), create_callback( dg ) );
+
+ } else if ( g.type == "embedded_mesh" ) {
+
+ var modelJson = data.embeds[ g.id ],
+ texture_path = "";
+
+ // Pass metadata along to jsonLoader so it knows the format version.
+ modelJson.metadata = data.metadata;
+
+ if ( modelJson ) {
+
+ jsonLoader.createModel( modelJson, create_callback_embed( dg ), texture_path );
+
+ }
+
+ }
+
+ }
+
+ // textures
+
+ // count how many textures will be loaded asynchronously
+
+ for( dt in data.textures ) {
+
+ tt = data.textures[ dt ];
+
+ if( tt.url instanceof Array ) {
+
+ counter_textures += tt.url.length;
+
+ for( var n = 0; n < tt.url.length; n ++ ) {
+
+ scope.onLoadStart();
+
+ }
+
+ } else {
+
+ counter_textures += 1;
+
+ scope.onLoadStart();
+
+ }
+
+ }
+
+ total_textures = counter_textures;
+
+ for( dt in data.textures ) {
+
+ tt = data.textures[ dt ];
+
+ if ( tt.mapping != undefined && THREE[ tt.mapping ] != undefined ) {
+
+ tt.mapping = new THREE[ tt.mapping ]();
+
+ }
+
+ if( tt.url instanceof Array ) {
+
+ var url_array = [];
+
+ for( var i = 0; i < tt.url.length; i ++ ) {
+
+ url_array[ i ] = get_url( tt.url[ i ], data.urlBaseType );
+
+ }
+
+ texture = THREE.ImageUtils.loadTextureCube( url_array, tt.mapping, callbackTexture );
+
+ } else {
+
+ texture = THREE.ImageUtils.loadTexture( get_url( tt.url, data.urlBaseType ), tt.mapping, callbackTexture );
+
+ if ( THREE[ tt.minFilter ] != undefined )
+ texture.minFilter = THREE[ tt.minFilter ];
+
+ if ( THREE[ tt.magFilter ] != undefined )
+ texture.magFilter = THREE[ tt.magFilter ];
+
+
+ if ( tt.repeat ) {
+
+ texture.repeat.set( tt.repeat[ 0 ], tt.repeat[ 1 ] );
+
+ if ( tt.repeat[ 0 ] != 1 ) texture.wrapS = THREE.RepeatWrapping;
+ if ( tt.repeat[ 1 ] != 1 ) texture.wrapT = THREE.RepeatWrapping;
+
+ }
+
+ if ( tt.offset ) {
+
+ texture.offset.set( tt.offset[ 0 ], tt.offset[ 1 ] );
+
+ }
+
+ // handle wrap after repeat so that default repeat can be overriden
+
+ if ( tt.wrap ) {
+
+ var wrapMap = {
+ "repeat" : THREE.RepeatWrapping,
+ "mirror" : THREE.MirroredRepeatWrapping
+ }
+
+ if ( wrapMap[ tt.wrap[ 0 ] ] !== undefined ) texture.wrapS = wrapMap[ tt.wrap[ 0 ] ];
+ if ( wrapMap[ tt.wrap[ 1 ] ] !== undefined ) texture.wrapT = wrapMap[ tt.wrap[ 1 ] ];
+
+ }
+
+ }
+
+ result.textures[ dt ] = texture;
+
+ }
+
+ // materials
+
+ for ( dm in data.materials ) {
+
+ m = data.materials[ dm ];
+
+ for ( pp in m.parameters ) {
+
+ if ( pp == "envMap" || pp == "map" || pp == "lightMap" ) {
+
+ m.parameters[ pp ] = result.textures[ m.parameters[ pp ] ];
+
+ } else if ( pp == "shading" ) {
+
+ m.parameters[ pp ] = ( m.parameters[ pp ] == "flat" ) ? THREE.FlatShading : THREE.SmoothShading;
+
+ } else if ( pp == "blending" ) {
+
+ m.parameters[ pp ] = THREE[ m.parameters[ pp ] ] ? THREE[ m.parameters[ pp ] ] : THREE.NormalBlending;
+
+ } else if ( pp == "combine" ) {
+
+ m.parameters[ pp ] = ( m.parameters[ pp ] == "MixOperation" ) ? THREE.MixOperation : THREE.MultiplyOperation;
+
+ } else if ( pp == "vertexColors" ) {
+
+ if ( m.parameters[ pp ] == "face" ) {
+
+ m.parameters[ pp ] = THREE.FaceColors;
+
+ // default to vertex colors if "vertexColors" is anything else face colors or 0 / null / false
+
+ } else if ( m.parameters[ pp ] ) {
+
+ m.parameters[ pp ] = THREE.VertexColors;
+
+ }
+
+ }
+
+ }
+
+ if ( m.parameters.opacity !== undefined && m.parameters.opacity < 1.0 ) {
+
+ m.parameters.transparent = true;
+
+ }
+
+ if ( m.parameters.normalMap ) {
+
+ var shader = THREE.ShaderUtils.lib[ "normal" ];
+ var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
+
+ var diffuse = m.parameters.color;
+ var specular = m.parameters.specular;
+ var ambient = m.parameters.ambient;
+ var shininess = m.parameters.shininess;
+
+ uniforms[ "tNormal" ].texture = result.textures[ m.parameters.normalMap ];
+
+ if ( m.parameters.normalMapFactor ) {
+
+ uniforms[ "uNormalScale" ].value = m.parameters.normalMapFactor;
+
+ }
+
+ if ( m.parameters.map ) {
+
+ uniforms[ "tDiffuse" ].texture = m.parameters.map;
+ uniforms[ "enableDiffuse" ].value = true;
+
+ }
+
+ if ( m.parameters.lightMap ) {
+
+ uniforms[ "tAO" ].texture = m.parameters.lightMap;
+ uniforms[ "enableAO" ].value = true;
+
+ }
+
+ if ( m.parameters.specularMap ) {
+
+ uniforms[ "tSpecular" ].texture = result.textures[ m.parameters.specularMap ];
+ uniforms[ "enableSpecular" ].value = true;
+
+ }
+
+ uniforms[ "uDiffuseColor" ].value.setHex( diffuse );
+ uniforms[ "uSpecularColor" ].value.setHex( specular );
+ uniforms[ "uAmbientColor" ].value.setHex( ambient );
+
+ uniforms[ "uShininess" ].value = shininess;
+
+ if ( m.parameters.opacity ) {
+
+ uniforms[ "uOpacity" ].value = m.parameters.opacity;
+
+ }
+
+ var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms, lights: true, fog: true };
+
+ material = new THREE.ShaderMaterial( parameters );
+
+ } else {
+
+ material = new THREE[ m.type ]( m.parameters );
+
+ }
+
+ result.materials[ dm ] = material;
+
+ }
+
+ // objects ( synchronous init of procedural primitives )
+
+ handle_objects();
+
+ // synchronous callback
+
+ scope.callbackSync( result );
+
+ // just in case there are no async elements:
+ async_callback_gate();
+
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Material = function ( parameters ) {
+
+ parameters = parameters || {};
+
+ this.id = THREE.MaterialCount ++;
+
+ this.name = '';
+
+ this.opacity = parameters.opacity !== undefined ? parameters.opacity : 1;
+ this.transparent = parameters.transparent !== undefined ? parameters.transparent : false;
+
+ this.blending = parameters.blending !== undefined ? parameters.blending : THREE.NormalBlending;
+
+ this.blendSrc = parameters.blendSrc !== undefined ? parameters.blendSrc : THREE.SrcAlphaFactor;
+ this.blendDst = parameters.blendDst !== undefined ? parameters.blendDst : THREE.OneMinusSrcAlphaFactor;
+ this.blendEquation = parameters.blendEquation !== undefined ? parameters.blendEquation : THREE.AddEquation;
+
+ this.depthTest = parameters.depthTest !== undefined ? parameters.depthTest : true;
+ this.depthWrite = parameters.depthWrite !== undefined ? parameters.depthWrite : true;
+
+ this.polygonOffset = parameters.polygonOffset !== undefined ? parameters.polygonOffset : false;
+ this.polygonOffsetFactor = parameters.polygonOffsetFactor !== undefined ? parameters.polygonOffsetFactor : 0;
+ this.polygonOffsetUnits = parameters.polygonOffsetUnits !== undefined ? parameters.polygonOffsetUnits : 0;
+
+ this.alphaTest = parameters.alphaTest !== undefined ? parameters.alphaTest : 0;
+
+ this.overdraw = parameters.overdraw !== undefined ? parameters.overdraw : false; // Boolean for fixing antialiasing gaps in CanvasRenderer
+
+ this.visible = true;
+
+ this.needsUpdate = true;
+
+}
+
+THREE.MaterialCount = 0;
+
+// shading
+
+THREE.NoShading = 0;
+THREE.FlatShading = 1;
+THREE.SmoothShading = 2;
+
+// colors
+
+THREE.NoColors = 0;
+THREE.FaceColors = 1;
+THREE.VertexColors = 2;
+
+// blending modes
+
+THREE.NoBlending = 0;
+THREE.NormalBlending = 1;
+THREE.AdditiveBlending = 2;
+THREE.SubtractiveBlending = 3;
+THREE.MultiplyBlending = 4;
+THREE.AdditiveAlphaBlending = 5;
+THREE.CustomBlending = 6;
+
+// custom blending equations
+// (numbers start from 100 not to clash with other
+// mappings to OpenGL constants defined in Texture.js)
+
+THREE.AddEquation = 100;
+THREE.SubtractEquation = 101;
+THREE.ReverseSubtractEquation = 102;
+
+// custom blending destination factors
+
+THREE.ZeroFactor = 200;
+THREE.OneFactor = 201;
+THREE.SrcColorFactor = 202;
+THREE.OneMinusSrcColorFactor = 203;
+THREE.SrcAlphaFactor = 204;
+THREE.OneMinusSrcAlphaFactor = 205;
+THREE.DstAlphaFactor = 206;
+THREE.OneMinusDstAlphaFactor = 207;
+
+// custom blending source factors
+
+//THREE.ZeroFactor = 200;
+//THREE.OneFactor = 201;
+//THREE.SrcAlphaFactor = 204;
+//THREE.OneMinusSrcAlphaFactor = 205;
+//THREE.DstAlphaFactor = 206;
+//THREE.OneMinusDstAlphaFactor = 207;
+THREE.DstColorFactor = 208;
+THREE.OneMinusDstColorFactor = 209;
+THREE.SrcAlphaSaturateFactor = 210;
+
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: ,
+ * opacity: ,
+ *
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+ *
+ * linewidth: ,
+ * linecap: "round",
+ * linejoin: "round",
+ *
+ * vertexColors:
+ *
+ * fog:
+ * }
+ */
+
+THREE.LineBasicMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ this.color = parameters.color !== undefined ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
+
+ this.linewidth = parameters.linewidth !== undefined ? parameters.linewidth : 1;
+ this.linecap = parameters.linecap !== undefined ? parameters.linecap : 'round';
+ this.linejoin = parameters.linejoin !== undefined ? parameters.linejoin : 'round';
+
+ this.vertexColors = parameters.vertexColors ? parameters.vertexColors : false;
+
+ this.fog = parameters.fog !== undefined ? parameters.fog : true;
+
+};
+
+THREE.LineBasicMaterial.prototype = new THREE.Material();
+THREE.LineBasicMaterial.prototype.constructor = THREE.LineBasicMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: ,
+ * opacity: ,
+ * map: new THREE.Texture( ),
+ *
+ * lightMap: new THREE.Texture( ),
+ *
+ * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ * combine: THREE.Multiply,
+ * reflectivity: ,
+ * refractionRatio: ,
+ *
+ * shading: THREE.SmoothShading,
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+ *
+ * wireframe: ,
+ * wireframeLinewidth: ,
+ *
+ * vertexColors: THREE.NoColors / THREE.VertexColors / THREE.FaceColors,
+ *
+ * skinning: ,
+ * morphTargets: ,
+ *
+ * fog:
+ * }
+ */
+
+THREE.MeshBasicMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ // color property represents emissive for MeshBasicMaterial
+
+ this.color = parameters.color !== undefined ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
+
+ this.map = parameters.map !== undefined ? parameters.map : null;
+
+ this.lightMap = parameters.lightMap !== undefined ? parameters.lightMap : null;
+
+ this.envMap = parameters.envMap !== undefined ? parameters.envMap : null;
+ this.combine = parameters.combine !== undefined ? parameters.combine : THREE.MultiplyOperation;
+ this.reflectivity = parameters.reflectivity !== undefined ? parameters.reflectivity : 1;
+ this.refractionRatio = parameters.refractionRatio !== undefined ? parameters.refractionRatio : 0.98;
+
+ this.fog = parameters.fog !== undefined ? parameters.fog : true;
+
+ this.shading = parameters.shading !== undefined ? parameters.shading : THREE.SmoothShading;
+
+ this.wireframe = parameters.wireframe !== undefined ? parameters.wireframe : false;
+ this.wireframeLinewidth = parameters.wireframeLinewidth !== undefined ? parameters.wireframeLinewidth : 1;
+ this.wireframeLinecap = parameters.wireframeLinecap !== undefined ? parameters.wireframeLinecap : 'round';
+ this.wireframeLinejoin = parameters.wireframeLinejoin !== undefined ? parameters.wireframeLinejoin : 'round';
+
+ this.vertexColors = parameters.vertexColors !== undefined ? parameters.vertexColors : THREE.NoColors;
+
+ this.skinning = parameters.skinning !== undefined ? parameters.skinning : false;
+ this.morphTargets = parameters.morphTargets !== undefined ? parameters.morphTargets : false;
+
+};
+
+THREE.MeshBasicMaterial.prototype = new THREE.Material();
+THREE.MeshBasicMaterial.prototype.constructor = THREE.MeshBasicMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: ,
+ * ambient: ,
+ * emissive: ,
+ * opacity: ,
+ *
+ * map: new THREE.Texture( ),
+ *
+ * lightMap: new THREE.Texture( ),
+ *
+ * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ * combine: THREE.Multiply,
+ * reflectivity: ,
+ * refractionRatio: ,
+ *
+ * shading: THREE.SmoothShading,
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+ *
+ * wireframe: ,
+ * wireframeLinewidth: ,
+ *
+ * vertexColors: THREE.NoColors / THREE.VertexColors / THREE.FaceColors,
+ *
+ * skinning: ,
+ * morphTargets: ,
+ * morphNormals: ,
+ *
+ * fog:
+ * }
+ */
+
+THREE.MeshLambertMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ // color property represents diffuse for MeshLambertMaterial
+
+ this.color = parameters.color !== undefined ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
+ this.ambient = parameters.ambient !== undefined ? new THREE.Color( parameters.ambient ) : new THREE.Color( 0xffffff );
+ this.emissive = parameters.emissive !== undefined ? new THREE.Color( parameters.emissive ) : new THREE.Color( 0x000000 );
+
+ this.wrapAround = parameters.wrapAround !== undefined ? parameters.wrapAround: false;
+ this.wrapRGB = new THREE.Vector3( 1, 1, 1 );
+
+ this.map = parameters.map !== undefined ? parameters.map : null;
+
+ this.lightMap = parameters.lightMap !== undefined ? parameters.lightMap : null;
+
+ this.envMap = parameters.envMap !== undefined ? parameters.envMap : null;
+ this.combine = parameters.combine !== undefined ? parameters.combine : THREE.MultiplyOperation;
+ this.reflectivity = parameters.reflectivity !== undefined ? parameters.reflectivity : 1;
+ this.refractionRatio = parameters.refractionRatio !== undefined ? parameters.refractionRatio : 0.98;
+
+ this.fog = parameters.fog !== undefined ? parameters.fog : true;
+
+ this.shading = parameters.shading !== undefined ? parameters.shading : THREE.SmoothShading;
+
+ this.wireframe = parameters.wireframe !== undefined ? parameters.wireframe : false;
+ this.wireframeLinewidth = parameters.wireframeLinewidth !== undefined ? parameters.wireframeLinewidth : 1;
+ this.wireframeLinecap = parameters.wireframeLinecap !== undefined ? parameters.wireframeLinecap : 'round';
+ this.wireframeLinejoin = parameters.wireframeLinejoin !== undefined ? parameters.wireframeLinejoin : 'round';
+
+ this.vertexColors = parameters.vertexColors !== undefined ? parameters.vertexColors : THREE.NoColors;
+
+ this.skinning = parameters.skinning !== undefined ? parameters.skinning : false;
+ this.morphTargets = parameters.morphTargets !== undefined ? parameters.morphTargets : false;
+ this.morphNormals = parameters.morphNormals !== undefined ? parameters.morphNormals : false;
+
+};
+
+THREE.MeshLambertMaterial.prototype = new THREE.Material();
+THREE.MeshLambertMaterial.prototype.constructor = THREE.MeshLambertMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: ,
+ * ambient: ,
+ * emissive: ,
+ * specular: ,
+ * shininess: ,
+ * opacity: ,
+ *
+ * map: new THREE.Texture( ),
+ *
+ * lightMap: new THREE.Texture( ),
+ *
+ * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ * combine: THREE.Multiply,
+ * reflectivity: ,
+ * refractionRatio: ,
+ *
+ * shading: THREE.SmoothShading,
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+ *
+ * wireframe: ,
+ * wireframeLinewidth: ,
+ *
+ * vertexColors: THREE.NoColors / THREE.VertexColors / THREE.FaceColors,
+ *
+ * skinning: ,
+ * morphTargets: ,
+ * morphNormals: ,
+ *
+ * fog:
+ * }
+ */
+
+THREE.MeshPhongMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ // color property represents diffuse for MeshPhongMaterial
+
+ this.color = parameters.color !== undefined ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
+ this.ambient = parameters.ambient !== undefined ? new THREE.Color( parameters.ambient ) : new THREE.Color( 0xffffff );
+ this.emissive = parameters.emissive !== undefined ? new THREE.Color( parameters.emissive ) : new THREE.Color( 0x000000 );
+ this.specular = parameters.specular !== undefined ? new THREE.Color( parameters.specular ) : new THREE.Color( 0x111111 );
+ this.shininess = parameters.shininess !== undefined ? parameters.shininess : 30;
+
+ this.metal = parameters.metal !== undefined ? parameters.metal : false;
+ this.perPixel = parameters.perPixel !== undefined ? parameters.perPixel : false;
+
+ this.wrapAround = parameters.wrapAround !== undefined ? parameters.wrapAround: false;
+ this.wrapRGB = new THREE.Vector3( 1, 1, 1 );
+
+ this.map = parameters.map !== undefined ? parameters.map : null;
+
+ this.lightMap = parameters.lightMap !== undefined ? parameters.lightMap : null;
+
+ this.envMap = parameters.envMap !== undefined ? parameters.envMap : null;
+ this.combine = parameters.combine !== undefined ? parameters.combine : THREE.MultiplyOperation;
+ this.reflectivity = parameters.reflectivity !== undefined ? parameters.reflectivity : 1;
+ this.refractionRatio = parameters.refractionRatio !== undefined ? parameters.refractionRatio : 0.98;
+
+ this.fog = parameters.fog !== undefined ? parameters.fog : true;
+
+ this.shading = parameters.shading !== undefined ? parameters.shading : THREE.SmoothShading;
+
+ this.wireframe = parameters.wireframe !== undefined ? parameters.wireframe : false;
+ this.wireframeLinewidth = parameters.wireframeLinewidth !== undefined ? parameters.wireframeLinewidth : 1;
+ this.wireframeLinecap = parameters.wireframeLinecap !== undefined ? parameters.wireframeLinecap : 'round';
+ this.wireframeLinejoin = parameters.wireframeLinejoin !== undefined ? parameters.wireframeLinejoin : 'round';
+
+ this.vertexColors = parameters.vertexColors !== undefined ? parameters.vertexColors : THREE.NoColors;
+
+ this.skinning = parameters.skinning !== undefined ? parameters.skinning : false;
+ this.morphTargets = parameters.morphTargets !== undefined ? parameters.morphTargets : false;
+ this.morphNormals = parameters.morphNormals !== undefined ? parameters.morphNormals : false;
+
+};
+
+THREE.MeshPhongMaterial.prototype = new THREE.Material();
+THREE.MeshPhongMaterial.prototype.constructor = THREE.MeshPhongMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * opacity: ,
+
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+
+ * wireframe: ,
+ * wireframeLinewidth:
+ * }
+ */
+
+THREE.MeshDepthMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ this.shading = parameters.shading !== undefined ? parameters.shading : THREE.SmoothShading; // doesn't really apply here, normals are not used
+
+ this.wireframe = parameters.wireframe !== undefined ? parameters.wireframe : false;
+ this.wireframeLinewidth = parameters.wireframeLinewidth !== undefined ? parameters.wireframeLinewidth : 1;
+
+};
+
+THREE.MeshDepthMaterial.prototype = new THREE.Material();
+THREE.MeshDepthMaterial.prototype.constructor = THREE.MeshDepthMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ *
+ * parameters = {
+ * opacity: ,
+
+ * shading: THREE.FlatShading,
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+
+ * wireframe: ,
+ * wireframeLinewidth:
+ * }
+ */
+
+THREE.MeshNormalMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ this.shading = parameters.shading ? parameters.shading : THREE.FlatShading;
+
+ this.wireframe = parameters.wireframe ? parameters.wireframe : false;
+ this.wireframeLinewidth = parameters.wireframeLinewidth ? parameters.wireframeLinewidth : 1;
+
+};
+
+THREE.MeshNormalMaterial.prototype = new THREE.Material();
+THREE.MeshNormalMaterial.prototype.constructor = THREE.MeshNormalMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.MeshFaceMaterial = function () {
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: ,
+ * opacity: ,
+ * map: new THREE.Texture( ),
+ *
+ * size: ,
+ *
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+ *
+ * vertexColors: ,
+ *
+ * fog:
+ * }
+ */
+
+THREE.ParticleBasicMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ this.color = parameters.color !== undefined ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
+
+ this.map = parameters.map !== undefined ? parameters.map : null;
+
+ this.size = parameters.size !== undefined ? parameters.size : 1;
+ this.sizeAttenuation = parameters.sizeAttenuation !== undefined ? parameters.sizeAttenuation : true;
+
+ this.vertexColors = parameters.vertexColors !== undefined ? parameters.vertexColors : false;
+
+ this.fog = parameters.fog !== undefined ? parameters.fog : true;
+
+};
+
+THREE.ParticleBasicMaterial.prototype = new THREE.Material();
+THREE.ParticleBasicMaterial.prototype.constructor = THREE.ParticleBasicMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ *
+ * parameters = {
+ * color: ,
+ * program: ,
+ * opacity: ,
+ * blending: THREE.NormalBlending
+ * }
+ */
+
+THREE.ParticleCanvasMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ this.color = parameters.color !== undefined ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
+ this.program = parameters.program !== undefined ? parameters.program : function ( context, color ) {};
+
+};
+
+THREE.ParticleCanvasMaterial.prototype = new THREE.Material();
+THREE.ParticleCanvasMaterial.prototype.constructor = THREE.ParticleCanvasMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.ParticleDOMMaterial = function ( domElement ) {
+
+ THREE.Material.call( this );
+
+ this.domElement = domElement;
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * fragmentShader: ,
+ * vertexShader: ,
+ *
+ * uniforms: { "parameter1": { type: "f", value: 1.0 }, "parameter2": { type: "i" value2: 2 } },
+ *
+ * shading: THREE.SmoothShading,
+ * blending: THREE.NormalBlending,
+ * depthTest: ,
+ *
+ * wireframe: ,
+ * wireframeLinewidth: ,
+ *
+ * lights: ,
+ *
+ * vertexColors: THREE.NoColors / THREE.VertexColors / THREE.FaceColors,
+ *
+ * skinning: ,
+ * morphTargets: ,
+ * morphNormals: ,
+ *
+ * fog:
+ * }
+ */
+
+THREE.ShaderMaterial = function ( parameters ) {
+
+ THREE.Material.call( this, parameters );
+
+ parameters = parameters || {};
+
+ this.fragmentShader = parameters.fragmentShader !== undefined ? parameters.fragmentShader : "void main() {}";
+ this.vertexShader = parameters.vertexShader !== undefined ? parameters.vertexShader : "void main() {}";
+ this.uniforms = parameters.uniforms !== undefined ? parameters.uniforms : {};
+ this.attributes = parameters.attributes;
+
+ this.shading = parameters.shading !== undefined ? parameters.shading : THREE.SmoothShading;
+
+ this.wireframe = parameters.wireframe !== undefined ? parameters.wireframe : false;
+ this.wireframeLinewidth = parameters.wireframeLinewidth !== undefined ? parameters.wireframeLinewidth : 1;
+
+ this.fog = parameters.fog !== undefined ? parameters.fog : false; // set to use scene fog
+
+ this.lights = parameters.lights !== undefined ? parameters.lights : false; // set to use scene lights
+
+ this.vertexColors = parameters.vertexColors !== undefined ? parameters.vertexColors : THREE.NoColors; // set to use "color" attribute stream
+
+ this.skinning = parameters.skinning !== undefined ? parameters.skinning : false; // set to use skinning attribute streams
+
+ this.morphTargets = parameters.morphTargets !== undefined ? parameters.morphTargets : false; // set to use morph targets
+ this.morphNormals = parameters.morphNormals !== undefined ? parameters.morphNormals : false; // set to use morph normals
+
+};
+
+THREE.ShaderMaterial.prototype = new THREE.Material();
+THREE.ShaderMaterial.prototype.constructor = THREE.ShaderMaterial;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author szimek / https://github.com/szimek/
+ */
+
+THREE.Texture = function ( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type ) {
+
+ this.id = THREE.TextureCount ++;
+
+ this.image = image;
+
+ this.mapping = mapping !== undefined ? mapping : new THREE.UVMapping();
+
+ this.wrapS = wrapS !== undefined ? wrapS : THREE.ClampToEdgeWrapping;
+ this.wrapT = wrapT !== undefined ? wrapT : THREE.ClampToEdgeWrapping;
+
+ this.magFilter = magFilter !== undefined ? magFilter : THREE.LinearFilter;
+ this.minFilter = minFilter !== undefined ? minFilter : THREE.LinearMipMapLinearFilter;
+
+ this.format = format !== undefined ? format : THREE.RGBAFormat;
+ this.type = type !== undefined ? type : THREE.UnsignedByteType;
+
+ this.offset = new THREE.Vector2( 0, 0 );
+ this.repeat = new THREE.Vector2( 1, 1 );
+
+ this.generateMipmaps = true;
+ this.premultiplyAlpha = false;
+
+ this.needsUpdate = false;
+ this.onUpdate = null;
+
+};
+
+THREE.Texture.prototype = {
+
+ constructor: THREE.Texture,
+
+ clone: function () {
+
+ var clonedTexture = new THREE.Texture( this.image, this.mapping, this.wrapS, this.wrapT, this.magFilter, this.minFilter, this.format, this.type );
+
+ clonedTexture.offset.copy( this.offset );
+ clonedTexture.repeat.copy( this.repeat );
+
+ return clonedTexture;
+
+ }
+
+};
+
+THREE.TextureCount = 0;
+
+THREE.MultiplyOperation = 0;
+THREE.MixOperation = 1;
+
+// Mapping modes
+
+THREE.UVMapping = function () {};
+
+THREE.CubeReflectionMapping = function () {};
+THREE.CubeRefractionMapping = function () {};
+
+THREE.SphericalReflectionMapping = function () {};
+THREE.SphericalRefractionMapping = function () {};
+
+// Wrapping modes
+
+THREE.RepeatWrapping = 0;
+THREE.ClampToEdgeWrapping = 1;
+THREE.MirroredRepeatWrapping = 2;
+
+// Filters
+
+THREE.NearestFilter = 3;
+THREE.NearestMipMapNearestFilter = 4;
+THREE.NearestMipMapLinearFilter = 5;
+THREE.LinearFilter = 6;
+THREE.LinearMipMapNearestFilter = 7;
+THREE.LinearMipMapLinearFilter = 8;
+
+// Types
+
+THREE.ByteType = 9;
+THREE.UnsignedByteType = 10;
+THREE.ShortType = 11;
+THREE.UnsignedShortType = 12;
+THREE.IntType = 13;
+THREE.UnsignedIntType = 14;
+THREE.FloatType = 15;
+
+// Formats
+
+THREE.AlphaFormat = 16;
+THREE.RGBFormat = 17;
+THREE.RGBAFormat = 18;
+THREE.LuminanceFormat = 19;
+THREE.LuminanceAlphaFormat = 20;
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.DataTexture = function ( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter ) {
+
+ THREE.Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type );
+
+ this.image = { data: data, width: width, height: height };
+
+};
+
+THREE.DataTexture.prototype = new THREE.Texture();
+THREE.DataTexture.prototype.constructor = THREE.DataTexture;
+
+THREE.DataTexture.prototype.clone = function () {
+
+ var clonedTexture = new THREE.DataTexture( this.image.data, this.image.width, this.image.height, this.format, this.type, this.mapping, this.wrapS, this.wrapT, this.magFilter, this.minFilter );
+
+ clonedTexture.offset.copy( this.offset );
+ clonedTexture.repeat.copy( this.repeat );
+
+ return clonedTexture;
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.Particle = function ( material ) {
+
+ THREE.Object3D.call( this );
+
+ this.material = material;
+
+};
+
+THREE.Particle.prototype = new THREE.Object3D();
+THREE.Particle.prototype.constructor = THREE.Particle;
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.ParticleSystem = function ( geometry, material ) {
+
+ THREE.Object3D.call( this );
+
+ this.geometry = geometry;
+ this.material = ( material !== undefined ) ? material : new THREE.ParticleBasicMaterial( { color: Math.random() * 0xffffff } );
+
+ this.sortParticles = false;
+
+ if ( this.geometry ) {
+
+ // calc bound radius
+
+ if( !this.geometry.boundingSphere ) {
+
+ this.geometry.computeBoundingSphere();
+
+ }
+
+ this.boundRadius = geometry.boundingSphere.radius;
+
+ }
+
+ this.frustumCulled = false;
+
+};
+
+THREE.ParticleSystem.prototype = new THREE.Object3D();
+THREE.ParticleSystem.prototype.constructor = THREE.ParticleSystem;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.Line = function ( geometry, material, type ) {
+
+ THREE.Object3D.call( this );
+
+ this.geometry = geometry;
+ this.material = ( material !== undefined ) ? material : new THREE.LineBasicMaterial( { color: Math.random() * 0xffffff } );
+ this.type = ( type !== undefined ) ? type : THREE.LineStrip;
+
+ if ( this.geometry ) {
+
+ if ( ! this.geometry.boundingSphere ) {
+
+ this.geometry.computeBoundingSphere();
+
+ }
+
+ }
+
+};
+
+THREE.LineStrip = 0;
+THREE.LinePieces = 1;
+
+THREE.Line.prototype = new THREE.Object3D();
+THREE.Line.prototype.constructor = THREE.Line;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author mikael emtinger / http://gomo.se/
+ */
+
+THREE.Mesh = function ( geometry, material ) {
+
+ THREE.Object3D.call( this );
+
+ this.geometry = geometry;
+ this.material = ( material !== undefined ) ? material : new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff, wireframe: true } );
+
+ if ( this.geometry ) {
+
+ // calc bound radius
+
+ if( ! this.geometry.boundingSphere ) {
+
+ this.geometry.computeBoundingSphere();
+
+ }
+
+ this.boundRadius = geometry.boundingSphere.radius;
+
+
+ // setup morph targets
+
+ if( this.geometry.morphTargets.length ) {
+
+ this.morphTargetBase = -1;
+ this.morphTargetForcedOrder = [];
+ this.morphTargetInfluences = [];
+ this.morphTargetDictionary = {};
+
+ for( var m = 0; m < this.geometry.morphTargets.length; m ++ ) {
+
+ this.morphTargetInfluences.push( 0 );
+ this.morphTargetDictionary[ this.geometry.morphTargets[ m ].name ] = m;
+
+ }
+
+ }
+
+ }
+
+}
+
+THREE.Mesh.prototype = new THREE.Object3D();
+THREE.Mesh.prototype.constructor = THREE.Mesh;
+THREE.Mesh.prototype.supr = THREE.Object3D.prototype;
+
+
+/*
+ * Get Morph Target Index by Name
+ */
+
+THREE.Mesh.prototype.getMorphTargetIndexByName = function( name ) {
+
+ if ( this.morphTargetDictionary[ name ] !== undefined ) {
+
+ return this.morphTargetDictionary[ name ];
+ }
+
+ console.log( "THREE.Mesh.getMorphTargetIndexByName: morph target " + name + " does not exist. Returning 0." );
+ return 0;
+
+}
+/**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Bone = function( belongsToSkin ) {
+
+ THREE.Object3D.call( this );
+
+ this.skin = belongsToSkin;
+ this.skinMatrix = new THREE.Matrix4();
+
+};
+
+THREE.Bone.prototype = new THREE.Object3D();
+THREE.Bone.prototype.constructor = THREE.Bone;
+THREE.Bone.prototype.supr = THREE.Object3D.prototype;
+
+
+THREE.Bone.prototype.update = function( parentSkinMatrix, forceUpdate ) {
+
+ // update local
+
+ if ( this.matrixAutoUpdate ) {
+
+ forceUpdate |= this.updateMatrix();
+
+ }
+
+ // update skin matrix
+
+ if ( forceUpdate || this.matrixWorldNeedsUpdate ) {
+
+ if( parentSkinMatrix ) {
+
+ this.skinMatrix.multiply( parentSkinMatrix, this.matrix );
+
+ } else {
+
+ this.skinMatrix.copy( this.matrix );
+
+ }
+
+ this.matrixWorldNeedsUpdate = false;
+ forceUpdate = true;
+
+ }
+
+ // update children
+
+ var child, i, l = this.children.length;
+
+ for ( i = 0; i < l; i ++ ) {
+
+ this.children[ i ].update( this.skinMatrix, forceUpdate );
+
+ }
+
+};
+
+/**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.SkinnedMesh = function ( geometry, material ) {
+
+ THREE.Mesh.call( this, geometry, material );
+
+ // init bones
+
+ this.identityMatrix = new THREE.Matrix4();
+
+ this.bones = [];
+ this.boneMatrices = [];
+
+ var b, bone, gbone, p, q, s;
+
+ if ( this.geometry.bones !== undefined ) {
+
+ for ( b = 0; b < this.geometry.bones.length; b ++ ) {
+
+ gbone = this.geometry.bones[ b ];
+
+ p = gbone.pos;
+ q = gbone.rotq;
+ s = gbone.scl;
+
+ bone = this.addBone();
+
+ bone.name = gbone.name;
+ bone.position.set( p[0], p[1], p[2] );
+ bone.quaternion.set( q[0], q[1], q[2], q[3] );
+ bone.useQuaternion = true;
+
+ if ( s !== undefined ) {
+
+ bone.scale.set( s[0], s[1], s[2] );
+
+ } else {
+
+ bone.scale.set( 1, 1, 1 );
+
+ }
+
+ }
+
+ for ( b = 0; b < this.bones.length; b ++ ) {
+
+ gbone = this.geometry.bones[ b ];
+ bone = this.bones[ b ];
+
+ if ( gbone.parent === -1 ) {
+
+ this.add( bone );
+
+ } else {
+
+ this.bones[ gbone.parent ].add( bone );
+
+ }
+
+ }
+
+ this.boneMatrices = new Float32Array( 16 * this.bones.length );
+
+ this.pose();
+
+ }
+
+};
+
+THREE.SkinnedMesh.prototype = new THREE.Mesh();
+THREE.SkinnedMesh.prototype.constructor = THREE.SkinnedMesh;
+
+THREE.SkinnedMesh.prototype.addBone = function( bone ) {
+
+ if ( bone === undefined ) {
+
+ bone = new THREE.Bone( this );
+
+ }
+
+ this.bones.push( bone );
+
+ return bone;
+
+};
+
+THREE.SkinnedMesh.prototype.updateMatrixWorld = function ( force ) {
+
+ this.matrixAutoUpdate && this.updateMatrix();
+
+ // update matrixWorld
+
+ if ( this.matrixWorldNeedsUpdate || force ) {
+
+ if ( this.parent ) {
+
+ this.matrixWorld.multiply( this.parent.matrixWorld, this.matrix );
+
+ } else {
+
+ this.matrixWorld.copy( this.matrix );
+
+ }
+
+ this.matrixWorldNeedsUpdate = false;
+
+ force = true;
+
+ }
+
+ // update children
+
+ for ( var i = 0, l = this.children.length; i < l; i ++ ) {
+
+ var child = this.children[ i ];
+
+ if ( child instanceof THREE.Bone ) {
+
+ child.update( this.identityMatrix, false );
+
+ } else {
+
+ child.updateMatrixWorld( true );
+
+ }
+
+ }
+
+ // flatten bone matrices to array
+
+ var b, bl = this.bones.length,
+ ba = this.bones,
+ bm = this.boneMatrices;
+
+ for ( b = 0; b < bl; b ++ ) {
+
+ ba[ b ].skinMatrix.flattenToArrayOffset( bm, b * 16 );
+
+ }
+
+};
+
+/*
+ * Pose
+ */
+
+THREE.SkinnedMesh.prototype.pose = function() {
+
+ this.updateMatrixWorld( true );
+
+ var bim, bone, boneInverses = [];
+
+ for ( var b = 0; b < this.bones.length; b ++ ) {
+
+ bone = this.bones[ b ];
+
+ var inverseMatrix = new THREE.Matrix4();
+ inverseMatrix.getInverse( bone.skinMatrix );
+
+ boneInverses.push( inverseMatrix );
+
+ bone.skinMatrix.flattenToArrayOffset( this.boneMatrices, b * 16 );
+
+ }
+
+ // project vertices to local
+
+ if ( this.geometry.skinVerticesA === undefined ) {
+
+ this.geometry.skinVerticesA = [];
+ this.geometry.skinVerticesB = [];
+
+ var orgVertex, vertex;
+
+ for ( var i = 0; i < this.geometry.skinIndices.length; i ++ ) {
+
+ orgVertex = this.geometry.vertices[ i ];
+
+ var indexA = this.geometry.skinIndices[ i ].x;
+ var indexB = this.geometry.skinIndices[ i ].y;
+
+ vertex = new THREE.Vector3( orgVertex.x, orgVertex.y, orgVertex.z );
+ this.geometry.skinVerticesA.push( boneInverses[ indexA ].multiplyVector3( vertex ) );
+
+ vertex = new THREE.Vector3( orgVertex.x, orgVertex.y, orgVertex.z );
+ this.geometry.skinVerticesB.push( boneInverses[ indexB ].multiplyVector3( vertex ) );
+
+ // todo: add more influences
+
+ // normalize weights
+
+ if ( this.geometry.skinWeights[ i ].x + this.geometry.skinWeights[ i ].y !== 1 ) {
+
+ var len = ( 1.0 - ( this.geometry.skinWeights[ i ].x + this.geometry.skinWeights[ i ].y ) ) * 0.5;
+ this.geometry.skinWeights[ i ].x += len;
+ this.geometry.skinWeights[ i ].y += len;
+
+ }
+
+ }
+
+ }
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.MorphAnimMesh = function ( geometry, material ) {
+
+ THREE.Mesh.call( this, geometry, material );
+
+ // API
+
+ this.duration = 1000; // milliseconds
+ this.mirroredLoop = false;
+ this.time = 0;
+
+ // internals
+
+ this.lastKeyframe = 0;
+ this.currentKeyframe = 0;
+
+ this.direction = 1;
+ this.directionBackwards = false;
+
+ this.setFrameRange( 0, this.geometry.morphTargets.length - 1 );
+
+};
+
+THREE.MorphAnimMesh.prototype = new THREE.Mesh();
+THREE.MorphAnimMesh.prototype.constructor = THREE.MorphAnimMesh;
+
+THREE.MorphAnimMesh.prototype.setFrameRange = function ( start, end ) {
+
+ this.startKeyframe = start;
+ this.endKeyframe = end;
+
+ this.length = this.endKeyframe - this.startKeyframe + 1;
+
+};
+
+THREE.MorphAnimMesh.prototype.setDirectionForward = function () {
+
+ this.direction = 1;
+ this.directionBackwards = false;
+
+};
+
+THREE.MorphAnimMesh.prototype.setDirectionBackward = function () {
+
+ this.direction = -1;
+ this.directionBackwards = true;
+
+};
+
+THREE.MorphAnimMesh.prototype.parseAnimations = function () {
+
+ var geometry = this.geometry;
+
+ if ( ! geometry.animations ) geometry.animations = {};
+
+ var firstAnimation, animations = geometry.animations;
+
+ var pattern = /([a-z]+)(\d+)/;
+
+ for ( var i = 0, il = geometry.morphTargets.length; i < il; i ++ ) {
+
+ var morph = geometry.morphTargets[ i ];
+ var parts = morph.name.match( pattern );
+
+ if ( parts && parts.length > 1 ) {
+
+ var label = parts[ 1 ];
+ var num = parts[ 2 ];
+
+ if ( ! animations[ label ] ) animations[ label ] = { start: Infinity, end: -Infinity };
+
+ var animation = animations[ label ];
+
+ if ( i < animation.start ) animation.start = i;
+ if ( i > animation.end ) animation.end = i;
+
+ if ( ! firstAnimation ) firstAnimation = label;
+
+ }
+
+ }
+
+ geometry.firstAnimation = firstAnimation;
+
+};
+
+THREE.MorphAnimMesh.prototype.setAnimationLabel = function ( label, start, end ) {
+
+ if ( ! this.geometry.animations ) this.geometry.animations = {};
+
+ this.geometry.animations[ label ] = { start: start, end: end };
+
+};
+
+THREE.MorphAnimMesh.prototype.playAnimation = function ( label, fps ) {
+
+ var animation = this.geometry.animations[ label ];
+
+ if ( animation ) {
+
+ this.setFrameRange( animation.start, animation.end );
+ this.duration = 1000 * ( ( animation.end - animation.start ) / fps );
+ this.time = 0;
+
+ } else {
+
+ console.warn( "animation[" + label + "] undefined" );
+
+ }
+
+};
+
+THREE.MorphAnimMesh.prototype.updateAnimation = function ( delta ) {
+
+ var frameTime = this.duration / this.length;
+
+ this.time += this.direction * delta;
+
+ if ( this.mirroredLoop ) {
+
+ if ( this.time > this.duration || this.time < 0 ) {
+
+ this.direction *= -1;
+
+ if ( this.time > this.duration ) {
+
+ this.time = this.duration;
+ this.directionBackwards = true;
+
+ }
+
+ if ( this.time < 0 ) {
+
+ this.time = 0;
+ this.directionBackwards = false;
+
+ }
+
+ }
+
+ } else {
+
+ this.time = this.time % this.duration;
+
+ if ( this.time < 0 ) this.time += this.duration;
+
+ }
+
+ var keyframe = this.startKeyframe + THREE.Math.clamp( Math.floor( this.time / frameTime ), 0, this.length - 1 );
+
+ if ( keyframe !== this.currentKeyframe ) {
+
+ this.morphTargetInfluences[ this.lastKeyframe ] = 0;
+ this.morphTargetInfluences[ this.currentKeyframe ] = 1;
+
+ this.morphTargetInfluences[ keyframe ] = 0;
+
+ this.lastKeyframe = this.currentKeyframe;
+ this.currentKeyframe = keyframe;
+
+ }
+
+ var mix = ( this.time % frameTime ) / frameTime;
+
+ if ( this.directionBackwards ) {
+
+ mix = 1 - mix;
+
+ }
+
+ this.morphTargetInfluences[ this.currentKeyframe ] = mix;
+ this.morphTargetInfluences[ this.lastKeyframe ] = 1 - mix;
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Ribbon = function ( geometry, material ) {
+
+ THREE.Object3D.call( this );
+
+ this.geometry = geometry;
+ this.material = material;
+
+};
+
+THREE.Ribbon.prototype = new THREE.Object3D();
+THREE.Ribbon.prototype.constructor = THREE.Ribbon;
+/**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.LOD = function () {
+
+ THREE.Object3D.call( this );
+
+ this.LODs = [];
+
+};
+
+THREE.LOD.prototype = new THREE.Object3D();
+THREE.LOD.prototype.constructor = THREE.LOD;
+THREE.LOD.prototype.supr = THREE.Object3D.prototype;
+
+THREE.LOD.prototype.addLevel = function ( object3D, visibleAtDistance ) {
+
+ if ( visibleAtDistance === undefined ) {
+
+ visibleAtDistance = 0;
+
+ }
+
+ visibleAtDistance = Math.abs( visibleAtDistance );
+
+ for ( var l = 0; l < this.LODs.length; l ++ ) {
+
+ if ( visibleAtDistance < this.LODs[ l ].visibleAtDistance ) {
+
+ break;
+
+ }
+
+ }
+
+ this.LODs.splice( l, 0, { visibleAtDistance: visibleAtDistance, object3D: object3D } );
+ this.add( object3D );
+
+};
+
+THREE.LOD.prototype.update = function ( camera ) {
+
+ if ( this.LODs.length > 1 ) {
+
+ camera.matrixWorldInverse.getInverse( camera.matrixWorld );
+
+ var inverse = camera.matrixWorldInverse;
+ var distance = -( inverse.elements[2] * this.matrixWorld.elements[12] + inverse.elements[6] * this.matrixWorld.elements[13] + inverse.elements[10] * this.matrixWorld.elements[14] + inverse.elements[14] );
+
+ this.LODs[ 0 ].object3D.visible = true;
+
+ for ( var l = 1; l < this.LODs.length; l ++ ) {
+
+ if( distance >= this.LODs[ l ].visibleAtDistance ) {
+
+ this.LODs[ l - 1 ].object3D.visible = false;
+ this.LODs[ l ].object3D.visible = true;
+
+ } else {
+
+ break;
+
+ }
+
+ }
+
+ for( ; l < this.LODs.length; l ++ ) {
+
+ this.LODs[ l ].object3D.visible = false;
+
+ }
+
+ }
+
+};
+/**
+ * @author mikael emtinger / http://gomo.se/
+ */
+
+THREE.Sprite = function ( parameters ) {
+
+ THREE.Object3D.call( this );
+
+ this.color = ( parameters.color !== undefined ) ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
+ this.map = ( parameters.map !== undefined ) ? parameters.map : new THREE.Texture();
+
+ this.blending = ( parameters.blending !== undefined ) ? parameters.blending : THREE.NormalBlending;
+
+ this.blendSrc = parameters.blendSrc !== undefined ? parameters.blendSrc : THREE.SrcAlphaFactor;
+ this.blendDst = parameters.blendDst !== undefined ? parameters.blendDst : THREE.OneMinusSrcAlphaFactor;
+ this.blendEquation = parameters.blendEquation !== undefined ? parameters.blendEquation : THREE.AddEquation;
+
+ this.useScreenCoordinates = ( parameters.useScreenCoordinates !== undefined ) ? parameters.useScreenCoordinates : true;
+ this.mergeWith3D = ( parameters.mergeWith3D !== undefined ) ? parameters.mergeWith3D : !this.useScreenCoordinates;
+ this.affectedByDistance = ( parameters.affectedByDistance !== undefined ) ? parameters.affectedByDistance : !this.useScreenCoordinates;
+ this.scaleByViewport = ( parameters.scaleByViewport !== undefined ) ? parameters.scaleByViewport : !this.affectedByDistance;
+ this.alignment = ( parameters.alignment instanceof THREE.Vector2 ) ? parameters.alignment : THREE.SpriteAlignment.center;
+
+ this.rotation3d = this.rotation;
+ this.rotation = 0;
+ this.opacity = 1;
+
+ this.uvOffset = new THREE.Vector2( 0, 0 );
+ this.uvScale = new THREE.Vector2( 1, 1 );
+
+};
+
+THREE.Sprite.prototype = new THREE.Object3D();
+THREE.Sprite.prototype.constructor = THREE.Sprite;
+
+
+/*
+ * Custom update matrix
+ */
+
+THREE.Sprite.prototype.updateMatrix = function () {
+
+ this.matrix.setPosition( this.position );
+
+ this.rotation3d.set( 0, 0, this.rotation );
+ this.matrix.setRotationFromEuler( this.rotation3d );
+
+ if ( this.scale.x !== 1 || this.scale.y !== 1 ) {
+
+ this.matrix.scale( this.scale );
+ this.boundRadiusScale = Math.max( this.scale.x, this.scale.y );
+
+ }
+
+ this.matrixWorldNeedsUpdate = true;
+
+};
+
+/*
+ * Alignment
+ */
+
+THREE.SpriteAlignment = {};
+THREE.SpriteAlignment.topLeft = new THREE.Vector2( 1, -1 );
+THREE.SpriteAlignment.topCenter = new THREE.Vector2( 0, -1 );
+THREE.SpriteAlignment.topRight = new THREE.Vector2( -1, -1 );
+THREE.SpriteAlignment.centerLeft = new THREE.Vector2( 1, 0 );
+THREE.SpriteAlignment.center = new THREE.Vector2( 0, 0 );
+THREE.SpriteAlignment.centerRight = new THREE.Vector2( -1, 0 );
+THREE.SpriteAlignment.bottomLeft = new THREE.Vector2( 1, 1 );
+THREE.SpriteAlignment.bottomCenter = new THREE.Vector2( 0, 1 );
+THREE.SpriteAlignment.bottomRight = new THREE.Vector2( -1, 1 );
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.Scene = function () {
+
+ THREE.Object3D.call( this );
+
+ this.fog = null;
+ this.overrideMaterial = null;
+
+ this.matrixAutoUpdate = false;
+
+ this.__objects = [];
+ this.__lights = [];
+
+ this.__objectsAdded = [];
+ this.__objectsRemoved = [];
+
+};
+
+THREE.Scene.prototype = new THREE.Object3D();
+THREE.Scene.prototype.constructor = THREE.Scene;
+
+THREE.Scene.prototype.__addObject = function ( object ) {
+
+ if ( object instanceof THREE.Light ) {
+
+ if ( this.__lights.indexOf( object ) === - 1 ) {
+
+ this.__lights.push( object );
+
+ }
+
+ } else if ( !( object instanceof THREE.Camera || object instanceof THREE.Bone ) ) {
+
+ if ( this.__objects.indexOf( object ) === - 1 ) {
+
+ this.__objects.push( object );
+ this.__objectsAdded.push( object );
+
+ // check if previously removed
+
+ var i = this.__objectsRemoved.indexOf( object );
+
+ if ( i !== -1 ) {
+
+ this.__objectsRemoved.splice( i, 1 );
+
+ }
+
+ }
+
+ }
+
+ for ( var c = 0; c < object.children.length; c ++ ) {
+
+ this.__addObject( object.children[ c ] );
+
+ }
+
+};
+
+THREE.Scene.prototype.__removeObject = function ( object ) {
+
+ if ( object instanceof THREE.Light ) {
+
+ var i = this.__lights.indexOf( object );
+
+ if ( i !== -1 ) {
+
+ this.__lights.splice( i, 1 );
+
+ }
+
+ } else if ( !( object instanceof THREE.Camera ) ) {
+
+ var i = this.__objects.indexOf( object );
+
+ if( i !== -1 ) {
+
+ this.__objects.splice( i, 1 );
+ this.__objectsRemoved.push( object );
+
+ // check if previously added
+
+ var ai = this.__objectsAdded.indexOf( object );
+
+ if ( ai !== -1 ) {
+
+ this.__objectsAdded.splice( ai, 1 );
+
+ }
+
+ }
+
+ }
+
+ for ( var c = 0; c < object.children.length; c ++ ) {
+
+ this.__removeObject( object.children[ c ] );
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Fog = function ( hex, near, far ) {
+
+ this.color = new THREE.Color( hex );
+
+ this.near = ( near !== undefined ) ? near : 1;
+ this.far = ( far !== undefined ) ? far : 1000;
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.FogExp2 = function ( hex, density ) {
+
+ this.color = new THREE.Color( hex );
+ this.density = ( density !== undefined ) ? density : 0.00025;
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.DOMRenderer = function () {
+
+ console.log( 'THREE.DOMRenderer', THREE.REVISION );
+
+ var _renderData, _elements,
+ _width, _height, _widthHalf, _heightHalf, _transformProp,
+ _projector = new THREE.Projector();
+
+ var getSupportedProp = function ( proparray ) {
+
+ var root = document.documentElement
+
+ for ( var i = 0; i < proparray.length; i ++ ) {
+
+ if ( typeof root.style[ proparray[ i ] ] === "string" ) {
+
+ return proparray[i];
+
+ }
+
+ }
+
+ return null;
+
+ };
+
+ _transformProp = getSupportedProp( [ 'transform', 'MozTransform', 'WebkitTransform', 'msTransform', 'OTransform' ] );
+
+ this.domElement = document.createElement( 'div' );
+
+ this.setSize = function ( width, height ) {
+
+ _width = width;
+ _height = height;
+
+ _widthHalf = _width / 2;
+ _heightHalf = _height / 2;
+
+ };
+
+ this.render = function ( scene, camera ) {
+
+ var e, el, m, ml, element, material, dom, v1x, v1y;
+
+ _renderData = _projector.projectScene( scene, camera );
+ _elements = _renderData.elements;
+
+ for ( e = 0, el = _elements.length; e < el; e ++ ) {
+
+ element = _elements[ e ];
+
+ if ( element instanceof THREE.RenderableParticle && element.material instanceof THREE.ParticleDOMMaterial ) {
+
+ dom = element.material.domElement;
+
+ v1x = element.x * _widthHalf + _widthHalf - ( dom.offsetWidth >> 1 );
+ v1y = element.y * _heightHalf + _heightHalf - ( dom.offsetHeight >> 1 );
+
+ dom.style.left = v1x + 'px';
+ dom.style.top = v1y + 'px';
+ dom.style.zIndex = Math.abs( Math.floor( ( 1 - element.z ) * camera.far / camera.near ) )
+
+ if ( _transformProp ) {
+
+ var scaleX = element.scale.x * _widthHalf;
+ var scaleY = element.scale.y * _heightHalf;
+ var scaleVal = "scale(" + scaleX + "," + scaleY + ")";
+
+ dom.style[ _transformProp ] = scaleVal;
+
+ }
+
+ }
+
+ }
+
+ };
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.CanvasRenderer = function ( parameters ) {
+
+ console.log( 'THREE.CanvasRenderer', THREE.REVISION );
+
+ parameters = parameters || {};
+
+ var _this = this,
+ _renderData, _elements, _lights,
+ _projector = new THREE.Projector(),
+
+ _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElement( 'canvas' ),
+
+ _canvasWidth, _canvasHeight, _canvasWidthHalf, _canvasHeightHalf,
+ _context = _canvas.getContext( '2d' ),
+
+ _clearColor = new THREE.Color( 0x000000 ),
+ _clearOpacity = 0,
+
+ _contextGlobalAlpha = 1,
+ _contextGlobalCompositeOperation = 0,
+ _contextStrokeStyle = null,
+ _contextFillStyle = null,
+ _contextLineWidth = null,
+ _contextLineCap = null,
+ _contextLineJoin = null,
+
+ _v1, _v2, _v3, _v4,
+ _v5 = new THREE.RenderableVertex(),
+ _v6 = new THREE.RenderableVertex(),
+
+ _v1x, _v1y, _v2x, _v2y, _v3x, _v3y,
+ _v4x, _v4y, _v5x, _v5y, _v6x, _v6y,
+
+ _color = new THREE.Color(),
+ _color1 = new THREE.Color(),
+ _color2 = new THREE.Color(),
+ _color3 = new THREE.Color(),
+ _color4 = new THREE.Color(),
+
+ _patterns = [], _imagedatas = [],
+
+ _near, _far,
+
+ _image, _uvs,
+ _uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y,
+
+ _clipRect = new THREE.Rectangle(),
+ _clearRect = new THREE.Rectangle(),
+ _bboxRect = new THREE.Rectangle(),
+
+ _enableLighting = false,
+ _ambientLight = new THREE.Color(),
+ _directionalLights = new THREE.Color(),
+ _pointLights = new THREE.Color(),
+
+ _pi2 = Math.PI * 2,
+ _vector3 = new THREE.Vector3(), // Needed for PointLight
+
+ _pixelMap, _pixelMapContext, _pixelMapImage, _pixelMapData,
+ _gradientMap, _gradientMapContext, _gradientMapQuality = 16;
+
+ _pixelMap = document.createElement( 'canvas' );
+ _pixelMap.width = _pixelMap.height = 2;
+
+ _pixelMapContext = _pixelMap.getContext( '2d' );
+ _pixelMapContext.fillStyle = 'rgba(0,0,0,1)';
+ _pixelMapContext.fillRect( 0, 0, 2, 2 );
+
+ _pixelMapImage = _pixelMapContext.getImageData( 0, 0, 2, 2 );
+ _pixelMapData = _pixelMapImage.data;
+
+ _gradientMap = document.createElement( 'canvas' );
+ _gradientMap.width = _gradientMap.height = _gradientMapQuality;
+
+ _gradientMapContext = _gradientMap.getContext( '2d' );
+ _gradientMapContext.translate( - _gradientMapQuality / 2, - _gradientMapQuality / 2 );
+ _gradientMapContext.scale( _gradientMapQuality, _gradientMapQuality );
+
+ _gradientMapQuality --; // Fix UVs
+
+ this.domElement = _canvas;
+
+ this.autoClear = true;
+ this.sortObjects = true;
+ this.sortElements = true;
+
+ this.info = {
+
+ render: {
+
+ vertices: 0,
+ faces: 0
+
+ }
+
+ }
+
+ this.setSize = function ( width, height ) {
+
+ _canvasWidth = width;
+ _canvasHeight = height;
+ _canvasWidthHalf = Math.floor( _canvasWidth / 2 );
+ _canvasHeightHalf = Math.floor( _canvasHeight / 2 );
+
+ _canvas.width = _canvasWidth;
+ _canvas.height = _canvasHeight;
+
+ _clipRect.set( - _canvasWidthHalf, - _canvasHeightHalf, _canvasWidthHalf, _canvasHeightHalf );
+ _clearRect.set( - _canvasWidthHalf, - _canvasHeightHalf, _canvasWidthHalf, _canvasHeightHalf );
+
+ _contextGlobalAlpha = 1;
+ _contextGlobalCompositeOperation = 0;
+ _contextStrokeStyle = null;
+ _contextFillStyle = null;
+ _contextLineWidth = null;
+ _contextLineCap = null;
+ _contextLineJoin = null;
+
+ };
+
+ this.setClearColor = function ( color, opacity ) {
+
+ _clearColor.copy( color );
+ _clearOpacity = opacity !== undefined ? opacity : 1;
+
+ _clearRect.set( - _canvasWidthHalf, - _canvasHeightHalf, _canvasWidthHalf, _canvasHeightHalf );
+
+ };
+
+ this.setClearColorHex = function ( hex, opacity ) {
+
+ _clearColor.setHex( hex );
+ _clearOpacity = opacity !== undefined ? opacity : 1;
+
+ _clearRect.set( - _canvasWidthHalf, - _canvasHeightHalf, _canvasWidthHalf, _canvasHeightHalf );
+
+ };
+
+ this.clear = function () {
+
+ _context.setTransform( 1, 0, 0, - 1, _canvasWidthHalf, _canvasHeightHalf );
+
+ if ( !_clearRect.isEmpty() ) {
+
+ _clearRect.minSelf( _clipRect );
+ _clearRect.inflate( 2 );
+
+ if ( _clearOpacity < 1 ) {
+
+ _context.clearRect( Math.floor( _clearRect.getX() ), Math.floor( _clearRect.getY() ), Math.floor( _clearRect.getWidth() ), Math.floor( _clearRect.getHeight() ) );
+
+ }
+
+ if ( _clearOpacity > 0 ) {
+
+ setBlending( THREE.NormalBlending );
+ setOpacity( 1 );
+
+ setFillStyle( 'rgba(' + Math.floor( _clearColor.r * 255 ) + ',' + Math.floor( _clearColor.g * 255 ) + ',' + Math.floor( _clearColor.b * 255 ) + ',' + _clearOpacity + ')' );
+
+ _context.fillRect( Math.floor( _clearRect.getX() ), Math.floor( _clearRect.getY() ), Math.floor( _clearRect.getWidth() ), Math.floor( _clearRect.getHeight() ) );
+
+ }
+
+ _clearRect.empty();
+
+ }
+
+
+ };
+
+ this.render = function ( scene, camera ) {
+
+ var e, el, element, material;
+
+ this.autoClear ? this.clear() : _context.setTransform( 1, 0, 0, - 1, _canvasWidthHalf, _canvasHeightHalf );
+
+ _this.info.render.vertices = 0;
+ _this.info.render.faces = 0;
+
+ _renderData = _projector.projectScene( scene, camera, this.sortElements );
+ _elements = _renderData.elements;
+ _lights = _renderData.lights;
+
+
+ _context.fillStyle = 'rgba( 0, 255, 255, 0.5 )';
+ _context.fillRect( _clipRect.getX(), _clipRect.getY(), _clipRect.getWidth(), _clipRect.getHeight() );
+
+
+ _enableLighting = _lights.length > 0;
+
+ if ( _enableLighting ) {
+
+ calculateLights( _lights );
+
+ }
+
+ for ( e = 0, el = _elements.length; e < el; e++ ) {
+
+ element = _elements[ e ];
+
+ material = element.material;
+ material = material instanceof THREE.MeshFaceMaterial ? element.faceMaterial : material;
+
+ if ( material === undefined || material.visible === false ) continue;
+
+ _bboxRect.empty();
+
+ if ( element instanceof THREE.RenderableParticle ) {
+
+ _v1 = element;
+ _v1.x *= _canvasWidthHalf; _v1.y *= _canvasHeightHalf;
+
+ renderParticle( _v1, element, material, scene );
+
+ } else if ( element instanceof THREE.RenderableLine ) {
+
+ _v1 = element.v1; _v2 = element.v2;
+
+ _v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
+ _v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
+
+ _bboxRect.addPoint( _v1.positionScreen.x, _v1.positionScreen.y );
+ _bboxRect.addPoint( _v2.positionScreen.x, _v2.positionScreen.y );
+
+ if ( _clipRect.intersects( _bboxRect ) ) {
+
+ renderLine( _v1, _v2, element, material, scene );
+
+ }
+
+
+ } else if ( element instanceof THREE.RenderableFace3 ) {
+
+ _v1 = element.v1; _v2 = element.v2; _v3 = element.v3;
+
+ _v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
+ _v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
+ _v3.positionScreen.x *= _canvasWidthHalf; _v3.positionScreen.y *= _canvasHeightHalf;
+
+ if ( material.overdraw ) {
+
+ expand( _v1.positionScreen, _v2.positionScreen );
+ expand( _v2.positionScreen, _v3.positionScreen );
+ expand( _v3.positionScreen, _v1.positionScreen );
+
+ }
+
+ _bboxRect.add3Points( _v1.positionScreen.x, _v1.positionScreen.y,
+ _v2.positionScreen.x, _v2.positionScreen.y,
+ _v3.positionScreen.x, _v3.positionScreen.y );
+
+ if ( _clipRect.intersects( _bboxRect ) ) {
+
+ renderFace3( _v1, _v2, _v3, 0, 1, 2, element, material, scene );
+
+ }
+
+ } else if ( element instanceof THREE.RenderableFace4 ) {
+
+ _v1 = element.v1; _v2 = element.v2; _v3 = element.v3; _v4 = element.v4;
+
+ _v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
+ _v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
+ _v3.positionScreen.x *= _canvasWidthHalf; _v3.positionScreen.y *= _canvasHeightHalf;
+ _v4.positionScreen.x *= _canvasWidthHalf; _v4.positionScreen.y *= _canvasHeightHalf;
+
+ _v5.positionScreen.copy( _v2.positionScreen );
+ _v6.positionScreen.copy( _v4.positionScreen );
+
+ if ( material.overdraw ) {
+
+ expand( _v1.positionScreen, _v2.positionScreen );
+ expand( _v2.positionScreen, _v4.positionScreen );
+ expand( _v4.positionScreen, _v1.positionScreen );
+
+ expand( _v3.positionScreen, _v5.positionScreen );
+ expand( _v3.positionScreen, _v6.positionScreen );
+
+ }
+
+ _bboxRect.addPoint( _v1.positionScreen.x, _v1.positionScreen.y );
+ _bboxRect.addPoint( _v2.positionScreen.x, _v2.positionScreen.y );
+ _bboxRect.addPoint( _v3.positionScreen.x, _v3.positionScreen.y );
+ _bboxRect.addPoint( _v4.positionScreen.x, _v4.positionScreen.y );
+
+ if ( _clipRect.intersects( _bboxRect ) ) {
+
+ renderFace4( _v1, _v2, _v3, _v4, _v5, _v6, element, material, scene );
+
+ }
+
+ }
+
+ /*
+ _context.lineWidth = 1;
+ _context.strokeStyle = 'rgba( 0, 255, 0, 0.5 )';
+ _context.strokeRect( _bboxRect.getX(), _bboxRect.getY(), _bboxRect.getWidth(), _bboxRect.getHeight() );
+ */
+
+ _clearRect.addRectangle( _bboxRect );
+
+
+ }
+
+
+ _context.lineWidth = 1;
+ _context.strokeStyle = 'rgba( 255, 0, 0, 0.5 )';
+ _context.strokeRect( _clearRect.getX(), _clearRect.getY(), _clearRect.getWidth(), _clearRect.getHeight() );
+
+
+ _context.setTransform( 1, 0, 0, 1, 0, 0 );
+
+ //
+
+ function calculateLights( lights ) {
+
+ var l, ll, light, lightColor;
+
+ _ambientLight.setRGB( 0, 0, 0 );
+ _directionalLights.setRGB( 0, 0, 0 );
+ _pointLights.setRGB( 0, 0, 0 );
+
+ for ( l = 0, ll = lights.length; l < ll; l ++ ) {
+
+ light = lights[ l ];
+ lightColor = light.color;
+
+ if ( light instanceof THREE.AmbientLight ) {
+
+ _ambientLight.r += lightColor.r;
+ _ambientLight.g += lightColor.g;
+ _ambientLight.b += lightColor.b;
+
+ } else if ( light instanceof THREE.DirectionalLight ) {
+
+ // for particles
+
+ _directionalLights.r += lightColor.r;
+ _directionalLights.g += lightColor.g;
+ _directionalLights.b += lightColor.b;
+
+ } else if ( light instanceof THREE.PointLight ) {
+
+ // for particles
+
+ _pointLights.r += lightColor.r;
+ _pointLights.g += lightColor.g;
+ _pointLights.b += lightColor.b;
+
+ }
+
+ }
+
+ }
+
+ function calculateLight( lights, position, normal, color ) {
+
+ var l, ll, light, lightColor, lightPosition, amount;
+
+ for ( l = 0, ll = lights.length; l < ll; l ++ ) {
+
+ light = lights[ l ];
+ lightColor = light.color;
+
+ if ( light instanceof THREE.DirectionalLight ) {
+
+ lightPosition = light.matrixWorld.getPosition();
+
+ amount = normal.dot( lightPosition );
+
+ if ( amount <= 0 ) continue;
+
+ amount *= light.intensity;
+
+ color.r += lightColor.r * amount;
+ color.g += lightColor.g * amount;
+ color.b += lightColor.b * amount;
+
+ } else if ( light instanceof THREE.PointLight ) {
+
+ lightPosition = light.matrixWorld.getPosition();
+
+ amount = normal.dot( _vector3.sub( lightPosition, position ).normalize() );
+
+ if ( amount <= 0 ) continue;
+
+ amount *= light.distance == 0 ? 1 : 1 - Math.min( position.distanceTo( lightPosition ) / light.distance, 1 );
+
+ if ( amount == 0 ) continue;
+
+ amount *= light.intensity;
+
+ color.r += lightColor.r * amount;
+ color.g += lightColor.g * amount;
+ color.b += lightColor.b * amount;
+
+ }
+
+ }
+
+ }
+
+ function renderParticle ( v1, element, material, scene ) {
+
+ setOpacity( material.opacity );
+ setBlending( material.blending );
+
+ var width, height, scaleX, scaleY,
+ bitmap, bitmapWidth, bitmapHeight;
+
+ if ( material instanceof THREE.ParticleBasicMaterial ) {
+
+ if ( material.map ) {
+
+ bitmap = material.map.image;
+ bitmapWidth = bitmap.width >> 1;
+ bitmapHeight = bitmap.height >> 1;
+
+ scaleX = element.scale.x * _canvasWidthHalf;
+ scaleY = element.scale.y * _canvasHeightHalf;
+
+ width = scaleX * bitmapWidth;
+ height = scaleY * bitmapHeight;
+
+ // TODO: Rotations break this...
+
+ _bboxRect.set( v1.x - width, v1.y - height, v1.x + width, v1.y + height );
+
+ if ( !_clipRect.intersects( _bboxRect ) ) {
+
+ return;
+
+ }
+
+ _context.save();
+ _context.translate( v1.x, v1.y );
+ _context.rotate( - element.rotation );
+ _context.scale( scaleX, - scaleY );
+
+ _context.translate( - bitmapWidth, - bitmapHeight );
+ _context.drawImage( bitmap, 0, 0 );
+
+ _context.restore();
+
+ }
+
+
+ _context.beginPath();
+ _context.moveTo( v1.x - 10, v1.y );
+ _context.lineTo( v1.x + 10, v1.y );
+ _context.moveTo( v1.x, v1.y - 10 );
+ _context.lineTo( v1.x, v1.y + 10 );
+ _context.closePath();
+ _context.strokeStyle = 'rgb(255,255,0)';
+ _context.stroke();
+
+
+ } else if ( material instanceof THREE.ParticleCanvasMaterial ) {
+
+ width = element.scale.x * _canvasWidthHalf;
+ height = element.scale.y * _canvasHeightHalf;
+
+ _bboxRect.set( v1.x - width, v1.y - height, v1.x + width, v1.y + height );
+
+ if ( !_clipRect.intersects( _bboxRect ) ) {
+
+ return;
+
+ }
+
+ setStrokeStyle( material.color.getContextStyle() );
+ setFillStyle( material.color.getContextStyle() );
+
+ _context.save();
+ _context.translate( v1.x, v1.y );
+ _context.rotate( - element.rotation );
+ _context.scale( width, height );
+
+ material.program( _context );
+
+ _context.restore();
+
+ }
+
+ }
+
+ function renderLine( v1, v2, element, material, scene ) {
+
+ setOpacity( material.opacity );
+ setBlending( material.blending );
+
+ _context.beginPath();
+ _context.moveTo( v1.positionScreen.x, v1.positionScreen.y );
+ _context.lineTo( v2.positionScreen.x, v2.positionScreen.y );
+ _context.closePath();
+
+ if ( material instanceof THREE.LineBasicMaterial ) {
+
+ setLineWidth( material.linewidth );
+ setLineCap( material.linecap );
+ setLineJoin( material.linejoin );
+ setStrokeStyle( material.color.getContextStyle() );
+
+ _context.stroke();
+ _bboxRect.inflate( material.linewidth * 2 );
+
+ }
+
+ }
+
+ function renderFace3( v1, v2, v3, uv1, uv2, uv3, element, material, scene ) {
+
+ _this.info.render.vertices += 3;
+ _this.info.render.faces ++;
+
+ setOpacity( material.opacity );
+ setBlending( material.blending );
+
+ _v1x = v1.positionScreen.x; _v1y = v1.positionScreen.y;
+ _v2x = v2.positionScreen.x; _v2y = v2.positionScreen.y;
+ _v3x = v3.positionScreen.x; _v3y = v3.positionScreen.y;
+
+ drawTriangle( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y );
+
+ if ( material instanceof THREE.MeshBasicMaterial ) {
+
+ if ( material.map ) {
+
+ if ( material.map.mapping instanceof THREE.UVMapping ) {
+
+ _uvs = element.uvs[ 0 ];
+ patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uvs[ uv1 ].u, _uvs[ uv1 ].v, _uvs[ uv2 ].u, _uvs[ uv2 ].v, _uvs[ uv3 ].u, _uvs[ uv3 ].v, material.map );
+
+ }
+
+
+ } else if ( material.envMap ) {
+
+ if ( material.envMap.mapping instanceof THREE.SphericalReflectionMapping ) {
+
+ var cameraMatrix = camera.matrixWorldInverse;
+
+ _vector3.copy( element.vertexNormalsWorld[ uv1 ] );
+ _uv1x = ( _vector3.x * cameraMatrix.elements[0] + _vector3.y * cameraMatrix.elements[4] + _vector3.z * cameraMatrix.elements[8] ) * 0.5 + 0.5;
+ _uv1y = - ( _vector3.x * cameraMatrix.elements[1] + _vector3.y * cameraMatrix.elements[5] + _vector3.z * cameraMatrix.elements[9] ) * 0.5 + 0.5;
+
+ _vector3.copy( element.vertexNormalsWorld[ uv2 ] );
+ _uv2x = ( _vector3.x * cameraMatrix.elements[0] + _vector3.y * cameraMatrix.elements[4] + _vector3.z * cameraMatrix.elements[8] ) * 0.5 + 0.5;
+ _uv2y = - ( _vector3.x * cameraMatrix.elements[1] + _vector3.y * cameraMatrix.elements[5] + _vector3.z * cameraMatrix.elements[9] ) * 0.5 + 0.5;
+
+ _vector3.copy( element.vertexNormalsWorld[ uv3 ] );
+ _uv3x = ( _vector3.x * cameraMatrix.elements[0] + _vector3.y * cameraMatrix.elements[4] + _vector3.z * cameraMatrix.elements[8] ) * 0.5 + 0.5;
+ _uv3y = - ( _vector3.x * cameraMatrix.elements[1] + _vector3.y * cameraMatrix.elements[5] + _vector3.z * cameraMatrix.elements[9] ) * 0.5 + 0.5;
+
+ patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y, material.envMap );
+
+ }/* else if ( material.envMap.mapping == THREE.SphericalRefractionMapping ) {
+
+
+
+ }*/
+
+
+ } else {
+
+ material.wireframe ? strokePath( material.color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( material.color );
+
+ }
+
+ } else if ( material instanceof THREE.MeshLambertMaterial ) {
+
+ if ( _enableLighting ) {
+
+ if ( !material.wireframe && material.shading == THREE.SmoothShading && element.vertexNormalsWorld.length == 3 ) {
+
+ _color1.r = _color2.r = _color3.r = _ambientLight.r;
+ _color1.g = _color2.g = _color3.g = _ambientLight.g;
+ _color1.b = _color2.b = _color3.b = _ambientLight.b;
+
+ calculateLight( _lights, element.v1.positionWorld, element.vertexNormalsWorld[ 0 ], _color1 );
+ calculateLight( _lights, element.v2.positionWorld, element.vertexNormalsWorld[ 1 ], _color2 );
+ calculateLight( _lights, element.v3.positionWorld, element.vertexNormalsWorld[ 2 ], _color3 );
+
+ _color1.r = Math.max( 0, Math.min( material.color.r * _color1.r, 1 ) );
+ _color1.g = Math.max( 0, Math.min( material.color.g * _color1.g, 1 ) );
+ _color1.b = Math.max( 0, Math.min( material.color.b * _color1.b, 1 ) );
+
+ _color2.r = Math.max( 0, Math.min( material.color.r * _color2.r, 1 ) );
+ _color2.g = Math.max( 0, Math.min( material.color.g * _color2.g, 1 ) );
+ _color2.b = Math.max( 0, Math.min( material.color.b * _color2.b, 1 ) );
+
+ _color3.r = Math.max( 0, Math.min( material.color.r * _color3.r, 1 ) );
+ _color3.g = Math.max( 0, Math.min( material.color.g * _color3.g, 1 ) );
+ _color3.b = Math.max( 0, Math.min( material.color.b * _color3.b, 1 ) );
+
+ _color4.r = ( _color2.r + _color3.r ) * 0.5;
+ _color4.g = ( _color2.g + _color3.g ) * 0.5;
+ _color4.b = ( _color2.b + _color3.b ) * 0.5;
+
+ _image = getGradientTexture( _color1, _color2, _color3, _color4 );
+
+ clipImage( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, 0, 0, 1, 0, 0, 1, _image );
+
+ } else {
+
+ _color.r = _ambientLight.r;
+ _color.g = _ambientLight.g;
+ _color.b = _ambientLight.b;
+
+ calculateLight( _lights, element.centroidWorld, element.normalWorld, _color );
+
+ _color.r = Math.max( 0, Math.min( material.color.r * _color.r, 1 ) );
+ _color.g = Math.max( 0, Math.min( material.color.g * _color.g, 1 ) );
+ _color.b = Math.max( 0, Math.min( material.color.b * _color.b, 1 ) );
+
+ material.wireframe ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( _color );
+
+ }
+
+ } else {
+
+ material.wireframe ? strokePath( material.color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( material.color );
+
+ }
+
+ } else if ( material instanceof THREE.MeshDepthMaterial ) {
+
+ _near = camera.near;
+ _far = camera.far;
+
+ _color1.r = _color1.g = _color1.b = 1 - smoothstep( v1.positionScreen.z, _near, _far );
+ _color2.r = _color2.g = _color2.b = 1 - smoothstep( v2.positionScreen.z, _near, _far );
+ _color3.r = _color3.g = _color3.b = 1 - smoothstep( v3.positionScreen.z, _near, _far );
+
+ _color4.r = ( _color2.r + _color3.r ) * 0.5;
+ _color4.g = ( _color2.g + _color3.g ) * 0.5;
+ _color4.b = ( _color2.b + _color3.b ) * 0.5;
+
+ _image = getGradientTexture( _color1, _color2, _color3, _color4 );
+
+ clipImage( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, 0, 0, 1, 0, 0, 1, _image );
+
+ } else if ( material instanceof THREE.MeshNormalMaterial ) {
+
+ _color.r = normalToComponent( element.normalWorld.x );
+ _color.g = normalToComponent( element.normalWorld.y );
+ _color.b = normalToComponent( element.normalWorld.z );
+
+ material.wireframe ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( _color );
+
+ }
+
+ }
+
+ function renderFace4( v1, v2, v3, v4, v5, v6, element, material, scene ) {
+
+ _this.info.render.vertices += 4;
+ _this.info.render.faces ++;
+
+ setOpacity( material.opacity );
+ setBlending( material.blending );
+
+ if ( material.map || material.envMap ) {
+
+ // Let renderFace3() handle this
+
+ renderFace3( v1, v2, v4, 0, 1, 3, element, material, scene );
+ renderFace3( v5, v3, v6, 1, 2, 3, element, material, scene );
+
+ return;
+
+ }
+
+ _v1x = v1.positionScreen.x; _v1y = v1.positionScreen.y;
+ _v2x = v2.positionScreen.x; _v2y = v2.positionScreen.y;
+ _v3x = v3.positionScreen.x; _v3y = v3.positionScreen.y;
+ _v4x = v4.positionScreen.x; _v4y = v4.positionScreen.y;
+ _v5x = v5.positionScreen.x; _v5y = v5.positionScreen.y;
+ _v6x = v6.positionScreen.x; _v6y = v6.positionScreen.y;
+
+ if ( material instanceof THREE.MeshBasicMaterial ) {
+
+ drawQuad( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _v4x, _v4y );
+
+ material.wireframe ? strokePath( material.color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( material.color );
+
+ } else if ( material instanceof THREE.MeshLambertMaterial ) {
+
+ if ( _enableLighting ) {
+
+ if ( !material.wireframe && material.shading == THREE.SmoothShading && element.vertexNormalsWorld.length == 4 ) {
+
+ _color1.r = _color2.r = _color3.r = _color4.r = _ambientLight.r;
+ _color1.g = _color2.g = _color3.g = _color4.g = _ambientLight.g;
+ _color1.b = _color2.b = _color3.b = _color4.b = _ambientLight.b;
+
+ calculateLight( _lights, element.v1.positionWorld, element.vertexNormalsWorld[ 0 ], _color1 );
+ calculateLight( _lights, element.v2.positionWorld, element.vertexNormalsWorld[ 1 ], _color2 );
+ calculateLight( _lights, element.v4.positionWorld, element.vertexNormalsWorld[ 3 ], _color3 );
+ calculateLight( _lights, element.v3.positionWorld, element.vertexNormalsWorld[ 2 ], _color4 );
+
+ _color1.r = Math.max( 0, Math.min( material.color.r * _color1.r, 1 ) );
+ _color1.g = Math.max( 0, Math.min( material.color.g * _color1.g, 1 ) );
+ _color1.b = Math.max( 0, Math.min( material.color.b * _color1.b, 1 ) );
+
+ _color2.r = Math.max( 0, Math.min( material.color.r * _color2.r, 1 ) );
+ _color2.g = Math.max( 0, Math.min( material.color.g * _color2.g, 1 ) );
+ _color2.b = Math.max( 0, Math.min( material.color.b * _color2.b, 1 ) );
+
+ _color3.r = Math.max( 0, Math.min( material.color.r * _color3.r, 1 ) );
+ _color3.g = Math.max( 0, Math.min( material.color.g * _color3.g, 1 ) );
+ _color3.b = Math.max( 0, Math.min( material.color.b * _color3.b, 1 ) );
+
+ _color4.r = Math.max( 0, Math.min( material.color.r * _color4.r, 1 ) );
+ _color4.g = Math.max( 0, Math.min( material.color.g * _color4.g, 1 ) );
+ _color4.b = Math.max( 0, Math.min( material.color.b * _color4.b, 1 ) );
+
+ _image = getGradientTexture( _color1, _color2, _color3, _color4 );
+
+ // TODO: UVs are incorrect, v4->v3?
+
+ drawTriangle( _v1x, _v1y, _v2x, _v2y, _v4x, _v4y );
+ clipImage( _v1x, _v1y, _v2x, _v2y, _v4x, _v4y, 0, 0, 1, 0, 0, 1, _image );
+
+ drawTriangle( _v5x, _v5y, _v3x, _v3y, _v6x, _v6y );
+ clipImage( _v5x, _v5y, _v3x, _v3y, _v6x, _v6y, 1, 0, 1, 1, 0, 1, _image );
+
+ } else {
+
+ _color.r = _ambientLight.r;
+ _color.g = _ambientLight.g;
+ _color.b = _ambientLight.b;
+
+ calculateLight( _lights, element.centroidWorld, element.normalWorld, _color );
+
+ _color.r = Math.max( 0, Math.min( material.color.r * _color.r, 1 ) );
+ _color.g = Math.max( 0, Math.min( material.color.g * _color.g, 1 ) );
+ _color.b = Math.max( 0, Math.min( material.color.b * _color.b, 1 ) );
+
+ drawQuad( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _v4x, _v4y );
+
+ material.wireframe ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( _color );
+
+ }
+
+ } else {
+
+ drawQuad( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _v4x, _v4y );
+
+ material.wireframe ? strokePath( material.color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( material.color );
+
+ }
+
+ } else if ( material instanceof THREE.MeshNormalMaterial ) {
+
+ _color.r = normalToComponent( element.normalWorld.x );
+ _color.g = normalToComponent( element.normalWorld.y );
+ _color.b = normalToComponent( element.normalWorld.z );
+
+ drawQuad( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _v4x, _v4y );
+
+ material.wireframe ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin ) : fillPath( _color );
+
+ } else if ( material instanceof THREE.MeshDepthMaterial ) {
+
+ _near = camera.near;
+ _far = camera.far;
+
+ _color1.r = _color1.g = _color1.b = 1 - smoothstep( v1.positionScreen.z, _near, _far );
+ _color2.r = _color2.g = _color2.b = 1 - smoothstep( v2.positionScreen.z, _near, _far );
+ _color3.r = _color3.g = _color3.b = 1 - smoothstep( v4.positionScreen.z, _near, _far );
+ _color4.r = _color4.g = _color4.b = 1 - smoothstep( v3.positionScreen.z, _near, _far );
+
+ _image = getGradientTexture( _color1, _color2, _color3, _color4 );
+
+ // TODO: UVs are incorrect, v4->v3?
+
+ drawTriangle( _v1x, _v1y, _v2x, _v2y, _v4x, _v4y );
+ clipImage( _v1x, _v1y, _v2x, _v2y, _v4x, _v4y, 0, 0, 1, 0, 0, 1, _image );
+
+ drawTriangle( _v5x, _v5y, _v3x, _v3y, _v6x, _v6y );
+ clipImage( _v5x, _v5y, _v3x, _v3y, _v6x, _v6y, 1, 0, 1, 1, 0, 1, _image );
+
+ }
+
+ }
+
+ //
+
+ function drawTriangle( x0, y0, x1, y1, x2, y2 ) {
+
+ _context.beginPath();
+ _context.moveTo( x0, y0 );
+ _context.lineTo( x1, y1 );
+ _context.lineTo( x2, y2 );
+ _context.lineTo( x0, y0 );
+ _context.closePath();
+
+ }
+
+ function drawQuad( x0, y0, x1, y1, x2, y2, x3, y3 ) {
+
+ _context.beginPath();
+ _context.moveTo( x0, y0 );
+ _context.lineTo( x1, y1 );
+ _context.lineTo( x2, y2 );
+ _context.lineTo( x3, y3 );
+ _context.lineTo( x0, y0 );
+ _context.closePath();
+
+ }
+
+ function strokePath( color, linewidth, linecap, linejoin ) {
+
+ setLineWidth( linewidth );
+ setLineCap( linecap );
+ setLineJoin( linejoin );
+ setStrokeStyle( color.getContextStyle() );
+
+ _context.stroke();
+
+ _bboxRect.inflate( linewidth * 2 );
+
+ }
+
+ function fillPath( color ) {
+
+ setFillStyle( color.getContextStyle() );
+ _context.fill();
+
+ }
+
+ function patternPath( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, texture ) {
+
+ if ( texture.image.width == 0 ) return;
+
+ if ( texture.needsUpdate == true || _patterns[ texture.id ] == undefined ) {
+
+ var repeatX = texture.wrapS == THREE.RepeatWrapping;
+ var repeatY = texture.wrapT == THREE.RepeatWrapping;
+
+ _patterns[ texture.id ] = _context.createPattern( texture.image, repeatX && repeatY ? 'repeat' : repeatX && !repeatY ? 'repeat-x' : !repeatX && repeatY ? 'repeat-y' : 'no-repeat' );
+
+ texture.needsUpdate = false;
+
+ }
+
+ setFillStyle( _patterns[ texture.id ] );
+
+ // http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
+
+ var a, b, c, d, e, f, det, idet,
+ offsetX = texture.offset.x / texture.repeat.x,
+ offsetY = texture.offset.y / texture.repeat.y,
+ width = texture.image.width * texture.repeat.x,
+ height = texture.image.height * texture.repeat.y;
+
+ u0 = ( u0 + offsetX ) * width;
+ v0 = ( v0 + offsetY ) * height;
+
+ u1 = ( u1 + offsetX ) * width;
+ v1 = ( v1 + offsetY ) * height;
+
+ u2 = ( u2 + offsetX ) * width;
+ v2 = ( v2 + offsetY ) * height;
+
+ x1 -= x0; y1 -= y0;
+ x2 -= x0; y2 -= y0;
+
+ u1 -= u0; v1 -= v0;
+ u2 -= u0; v2 -= v0;
+
+ det = u1 * v2 - u2 * v1;
+
+ if ( det == 0 ) {
+
+ if ( _imagedatas[ texture.id ] === undefined ) {
+
+ var canvas = document.createElement( 'canvas' )
+ canvas.width = texture.image.width;
+ canvas.height = texture.image.height;
+
+ var context = canvas.getContext( '2d' );
+ context.drawImage( texture.image, 0, 0 );
+
+ _imagedatas[ texture.id ] = context.getImageData( 0, 0, texture.image.width, texture.image.height ).data;
+
+ // variables cannot be deleted in ES5 strict mode
+ //delete canvas;
+
+ }
+
+ var data = _imagedatas[ texture.id ];
+ var index = ( Math.floor( u0 ) + Math.floor( v0 ) * texture.image.width ) * 4;
+
+ _color.setRGB( data[ index ] / 255, data[ index + 1 ] / 255, data[ index + 2 ] / 255 );
+ fillPath( _color );
+
+ return;
+
+ }
+
+ idet = 1 / det;
+
+ a = ( v2 * x1 - v1 * x2 ) * idet;
+ b = ( v2 * y1 - v1 * y2 ) * idet;
+ c = ( u1 * x2 - u2 * x1 ) * idet;
+ d = ( u1 * y2 - u2 * y1 ) * idet;
+
+ e = x0 - a * u0 - c * v0;
+ f = y0 - b * u0 - d * v0;
+
+ _context.save();
+ _context.transform( a, b, c, d, e, f );
+ _context.fill();
+ _context.restore();
+
+ }
+
+ function clipImage( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, image ) {
+
+ // http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
+
+ var a, b, c, d, e, f, det, idet,
+ width = image.width - 1,
+ height = image.height - 1;
+
+ u0 *= width; v0 *= height;
+ u1 *= width; v1 *= height;
+ u2 *= width; v2 *= height;
+
+ x1 -= x0; y1 -= y0;
+ x2 -= x0; y2 -= y0;
+
+ u1 -= u0; v1 -= v0;
+ u2 -= u0; v2 -= v0;
+
+ det = u1 * v2 - u2 * v1;
+
+ idet = 1 / det;
+
+ a = ( v2 * x1 - v1 * x2 ) * idet;
+ b = ( v2 * y1 - v1 * y2 ) * idet;
+ c = ( u1 * x2 - u2 * x1 ) * idet;
+ d = ( u1 * y2 - u2 * y1 ) * idet;
+
+ e = x0 - a * u0 - c * v0;
+ f = y0 - b * u0 - d * v0;
+
+ _context.save();
+ _context.transform( a, b, c, d, e, f );
+ _context.clip();
+ _context.drawImage( image, 0, 0 );
+ _context.restore();
+
+ }
+
+ function getGradientTexture( color1, color2, color3, color4 ) {
+
+ // http://mrdoob.com/blog/post/710
+
+ var c1r = ~~ ( color1.r * 255 ), c1g = ~~ ( color1.g * 255 ), c1b = ~~ ( color1.b * 255 ),
+ c2r = ~~ ( color2.r * 255 ), c2g = ~~ ( color2.g * 255 ), c2b = ~~ ( color2.b * 255 ),
+ c3r = ~~ ( color3.r * 255 ), c3g = ~~ ( color3.g * 255 ), c3b = ~~ ( color3.b * 255 ),
+ c4r = ~~ ( color4.r * 255 ), c4g = ~~ ( color4.g * 255 ), c4b = ~~ ( color4.b * 255 );
+
+ _pixelMapData[ 0 ] = c1r < 0 ? 0 : c1r > 255 ? 255 : c1r;
+ _pixelMapData[ 1 ] = c1g < 0 ? 0 : c1g > 255 ? 255 : c1g;
+ _pixelMapData[ 2 ] = c1b < 0 ? 0 : c1b > 255 ? 255 : c1b;
+
+ _pixelMapData[ 4 ] = c2r < 0 ? 0 : c2r > 255 ? 255 : c2r;
+ _pixelMapData[ 5 ] = c2g < 0 ? 0 : c2g > 255 ? 255 : c2g;
+ _pixelMapData[ 6 ] = c2b < 0 ? 0 : c2b > 255 ? 255 : c2b;
+
+ _pixelMapData[ 8 ] = c3r < 0 ? 0 : c3r > 255 ? 255 : c3r;
+ _pixelMapData[ 9 ] = c3g < 0 ? 0 : c3g > 255 ? 255 : c3g;
+ _pixelMapData[ 10 ] = c3b < 0 ? 0 : c3b > 255 ? 255 : c3b;
+
+ _pixelMapData[ 12 ] = c4r < 0 ? 0 : c4r > 255 ? 255 : c4r;
+ _pixelMapData[ 13 ] = c4g < 0 ? 0 : c4g > 255 ? 255 : c4g;
+ _pixelMapData[ 14 ] = c4b < 0 ? 0 : c4b > 255 ? 255 : c4b;
+
+ _pixelMapContext.putImageData( _pixelMapImage, 0, 0 );
+ _gradientMapContext.drawImage( _pixelMap, 0, 0 );
+
+ return _gradientMap;
+
+ }
+
+ function smoothstep( value, min, max ) {
+
+ var x = ( value - min ) / ( max - min );
+ return x * x * ( 3 - 2 * x );
+
+ }
+
+ function normalToComponent( normal ) {
+
+ var component = ( normal + 1 ) * 0.5;
+ return component < 0 ? 0 : ( component > 1 ? 1 : component );
+
+ }
+
+ // Hide anti-alias gaps
+
+ function expand( v1, v2 ) {
+
+ var x = v2.x - v1.x, y = v2.y - v1.y,
+ det = x * x + y * y, idet;
+
+ if ( det == 0 ) return;
+
+ idet = 1 / Math.sqrt( det );
+
+ x *= idet; y *= idet;
+
+ v2.x += x; v2.y += y;
+ v1.x -= x; v1.y -= y;
+
+ }
+ };
+
+ // Context cached methods.
+
+ function setOpacity( value ) {
+
+ if ( _contextGlobalAlpha != value ) {
+
+ _context.globalAlpha = _contextGlobalAlpha = value;
+
+ }
+
+ }
+
+ function setBlending( value ) {
+
+ if ( _contextGlobalCompositeOperation != value ) {
+
+ switch ( value ) {
+
+ case THREE.NormalBlending:
+
+ _context.globalCompositeOperation = 'source-over';
+
+ break;
+
+ case THREE.AdditiveBlending:
+
+ _context.globalCompositeOperation = 'lighter';
+
+ break;
+
+ }
+
+ _contextGlobalCompositeOperation = value;
+
+ }
+
+ }
+
+ function setLineWidth( value ) {
+
+ if ( _contextLineWidth != value ) {
+
+ _context.lineWidth = _contextLineWidth = value;
+
+ }
+
+ }
+
+ function setLineCap( value ) {
+
+ // "butt", "round", "square"
+
+ if ( _contextLineCap != value ) {
+
+ _context.lineCap = _contextLineCap = value;
+
+ }
+
+ }
+
+ function setLineJoin( value ) {
+
+ // "round", "bevel", "miter"
+
+ if ( _contextLineJoin != value ) {
+
+ _context.lineJoin = _contextLineJoin = value;
+
+ }
+
+ }
+
+ function setStrokeStyle( style ) {
+
+ if ( _contextStrokeStyle != style ) {
+
+ _context.strokeStyle = _contextStrokeStyle = style;
+
+ }
+
+ }
+
+ function setFillStyle( style ) {
+
+ if ( _contextFillStyle != style ) {
+
+ _context.fillStyle = _contextFillStyle = style;
+
+ }
+
+ }
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.SVGRenderer = function () {
+
+ console.log( 'THREE.SVGRenderer', THREE.REVISION );
+
+ var _this = this,
+ _renderData, _elements, _lights,
+ _projector = new THREE.Projector(),
+ _svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg'),
+ _svgWidth, _svgHeight, _svgWidthHalf, _svgHeightHalf,
+
+ _v1, _v2, _v3, _v4,
+
+ _clipRect = new THREE.Rectangle(),
+ _bboxRect = new THREE.Rectangle(),
+
+ _enableLighting = false,
+ _color = new THREE.Color(),
+ _ambientLight = new THREE.Color(),
+ _directionalLights = new THREE.Color(),
+ _pointLights = new THREE.Color(),
+
+ _w, // z-buffer to w-buffer
+ _vector3 = new THREE.Vector3(), // Needed for PointLight
+
+ _svgPathPool = [], _svgCirclePool = [], _svgLinePool = [],
+ _svgNode, _pathCount, _circleCount, _lineCount,
+ _quality = 1;
+
+ this.domElement = _svg;
+
+ this.autoClear = true;
+ this.sortObjects = true;
+ this.sortElements = true;
+
+ this.info = {
+
+ render: {
+
+ vertices: 0,
+ faces: 0
+
+ }
+
+ }
+
+ this.setQuality = function( quality ) {
+
+ switch(quality) {
+
+ case "high": _quality = 1; break;
+ case "low": _quality = 0; break;
+
+ }
+
+ };
+
+ this.setSize = function( width, height ) {
+
+ _svgWidth = width; _svgHeight = height;
+ _svgWidthHalf = _svgWidth / 2; _svgHeightHalf = _svgHeight / 2;
+
+ _svg.setAttribute( 'viewBox', ( - _svgWidthHalf ) + ' ' + ( - _svgHeightHalf ) + ' ' + _svgWidth + ' ' + _svgHeight );
+ _svg.setAttribute( 'width', _svgWidth );
+ _svg.setAttribute( 'height', _svgHeight );
+
+ _clipRect.set( - _svgWidthHalf, - _svgHeightHalf, _svgWidthHalf, _svgHeightHalf );
+
+ };
+
+ this.clear = function () {
+
+ while ( _svg.childNodes.length > 0 ) {
+
+ _svg.removeChild( _svg.childNodes[ 0 ] );
+
+ }
+
+ };
+
+ this.render = function ( scene, camera ) {
+
+ var e, el, element, material;
+
+ this.autoClear && this.clear();
+
+ _this.info.render.vertices = 0;
+ _this.info.render.faces = 0;
+
+ _renderData = _projector.projectScene( scene, camera, this.sortElements );
+ _elements = _renderData.elements;
+ _lights = _renderData.lights;
+
+ _pathCount = 0; _circleCount = 0; _lineCount = 0;
+
+ _enableLighting = _lights.length > 0;
+
+ if ( _enableLighting ) {
+
+ calculateLights( _lights );
+
+ }
+
+ for ( e = 0, el = _elements.length; e < el; e ++ ) {
+
+ element = _elements[ e ];
+
+ material = element.material;
+ material = material instanceof THREE.MeshFaceMaterial ? element.faceMaterial : material;
+
+ if ( material === undefined || material.visible === false ) continue;
+
+ _bboxRect.empty();
+
+ if ( element instanceof THREE.RenderableParticle ) {
+
+ _v1 = element;
+ _v1.x *= _svgWidthHalf; _v1.y *= -_svgHeightHalf;
+
+ renderParticle( _v1, element, material, scene );
+
+ } else if ( element instanceof THREE.RenderableLine ) {
+
+ _v1 = element.v1; _v2 = element.v2;
+
+ _v1.positionScreen.x *= _svgWidthHalf; _v1.positionScreen.y *= - _svgHeightHalf;
+ _v2.positionScreen.x *= _svgWidthHalf; _v2.positionScreen.y *= - _svgHeightHalf;
+
+ _bboxRect.addPoint( _v1.positionScreen.x, _v1.positionScreen.y );
+ _bboxRect.addPoint( _v2.positionScreen.x, _v2.positionScreen.y );
+
+ if ( !_clipRect.intersects( _bboxRect ) ) {
+
+ continue;
+
+ }
+
+ renderLine( _v1, _v2, element, material, scene );
+
+ } else if ( element instanceof THREE.RenderableFace3 ) {
+
+ _v1 = element.v1; _v2 = element.v2; _v3 = element.v3;
+
+ _v1.positionScreen.x *= _svgWidthHalf; _v1.positionScreen.y *= - _svgHeightHalf;
+ _v2.positionScreen.x *= _svgWidthHalf; _v2.positionScreen.y *= - _svgHeightHalf;
+ _v3.positionScreen.x *= _svgWidthHalf; _v3.positionScreen.y *= - _svgHeightHalf;
+
+ _bboxRect.addPoint( _v1.positionScreen.x, _v1.positionScreen.y );
+ _bboxRect.addPoint( _v2.positionScreen.x, _v2.positionScreen.y );
+ _bboxRect.addPoint( _v3.positionScreen.x, _v3.positionScreen.y );
+
+ if ( !_clipRect.intersects( _bboxRect ) ) {
+
+ continue;
+
+ }
+
+ renderFace3( _v1, _v2, _v3, element, material, scene );
+
+ } else if ( element instanceof THREE.RenderableFace4 ) {
+
+ _v1 = element.v1; _v2 = element.v2; _v3 = element.v3; _v4 = element.v4;
+
+ _v1.positionScreen.x *= _svgWidthHalf; _v1.positionScreen.y *= -_svgHeightHalf;
+ _v2.positionScreen.x *= _svgWidthHalf; _v2.positionScreen.y *= -_svgHeightHalf;
+ _v3.positionScreen.x *= _svgWidthHalf; _v3.positionScreen.y *= -_svgHeightHalf;
+ _v4.positionScreen.x *= _svgWidthHalf; _v4.positionScreen.y *= -_svgHeightHalf;
+
+ _bboxRect.addPoint( _v1.positionScreen.x, _v1.positionScreen.y );
+ _bboxRect.addPoint( _v2.positionScreen.x, _v2.positionScreen.y );
+ _bboxRect.addPoint( _v3.positionScreen.x, _v3.positionScreen.y );
+ _bboxRect.addPoint( _v4.positionScreen.x, _v4.positionScreen.y );
+
+ if ( !_clipRect.intersects( _bboxRect) ) {
+
+ continue;
+
+ }
+
+ renderFace4( _v1, _v2, _v3, _v4, element, material, scene );
+
+ }
+
+ }
+
+ };
+
+ function calculateLights( lights ) {
+
+ var l, ll, light, lightColor;
+
+ _ambientLight.setRGB( 0, 0, 0 );
+ _directionalLights.setRGB( 0, 0, 0 );
+ _pointLights.setRGB( 0, 0, 0 );
+
+ for ( l = 0, ll = lights.length; l < ll; l++ ) {
+
+ light = lights[ l ];
+ lightColor = light.color;
+
+ if ( light instanceof THREE.AmbientLight ) {
+
+ _ambientLight.r += lightColor.r;
+ _ambientLight.g += lightColor.g;
+ _ambientLight.b += lightColor.b;
+
+ } else if ( light instanceof THREE.DirectionalLight ) {
+
+ _directionalLights.r += lightColor.r;
+ _directionalLights.g += lightColor.g;
+ _directionalLights.b += lightColor.b;
+
+ } else if ( light instanceof THREE.PointLight ) {
+
+ _pointLights.r += lightColor.r;
+ _pointLights.g += lightColor.g;
+ _pointLights.b += lightColor.b;
+
+ }
+
+ }
+
+ }
+
+ function calculateLight( lights, position, normal, color ) {
+
+ var l, ll, light, lightColor, lightPosition, amount;
+
+ for ( l = 0, ll = lights.length; l < ll; l ++ ) {
+
+ light = lights[ l ];
+ lightColor = light.color;
+
+ if ( light instanceof THREE.DirectionalLight ) {
+
+ lightPosition = light.matrixWorld.getPosition();
+
+ amount = normal.dot( lightPosition );
+
+ if ( amount <= 0 ) continue;
+
+ amount *= light.intensity;
+
+ color.r += lightColor.r * amount;
+ color.g += lightColor.g * amount;
+ color.b += lightColor.b * amount;
+
+ } else if ( light instanceof THREE.PointLight ) {
+
+ lightPosition = light.matrixWorld.getPosition();
+
+ amount = normal.dot( _vector3.sub( lightPosition, position ).normalize() );
+
+ if ( amount <= 0 ) continue;
+
+ amount *= light.distance == 0 ? 1 : 1 - Math.min( position.distanceTo( lightPosition ) / light.distance, 1 );
+
+ if ( amount == 0 ) continue;
+
+ amount *= light.intensity;
+
+ color.r += lightColor.r * amount;
+ color.g += lightColor.g * amount;
+ color.b += lightColor.b * amount;
+
+ }
+
+ }
+
+ }
+
+ function renderParticle( v1, element, material, scene ) {
+
+ /*
+ _svgNode = getCircleNode( _circleCount++ );
+ _svgNode.setAttribute( 'cx', v1.x );
+ _svgNode.setAttribute( 'cy', v1.y );
+ _svgNode.setAttribute( 'r', element.scale.x * _svgWidthHalf );
+
+ if ( material instanceof THREE.ParticleCircleMaterial ) {
+
+ if ( _enableLighting ) {
+
+ _color.r = _ambientLight.r + _directionalLights.r + _pointLights.r;
+ _color.g = _ambientLight.g + _directionalLights.g + _pointLights.g;
+ _color.b = _ambientLight.b + _directionalLights.b + _pointLights.b;
+
+ _color.r = material.color.r * _color.r;
+ _color.g = material.color.g * _color.g;
+ _color.b = material.color.b * _color.b;
+
+ _color.updateStyleString();
+
+ } else {
+
+ _color = material.color;
+
+ }
+
+ _svgNode.setAttribute( 'style', 'fill: ' + _color.__styleString );
+
+ }
+
+ _svg.appendChild( _svgNode );
+ */
+
+ }
+
+ function renderLine ( v1, v2, element, material, scene ) {
+
+ _svgNode = getLineNode( _lineCount ++ );
+
+ _svgNode.setAttribute( 'x1', v1.positionScreen.x );
+ _svgNode.setAttribute( 'y1', v1.positionScreen.y );
+ _svgNode.setAttribute( 'x2', v2.positionScreen.x );
+ _svgNode.setAttribute( 'y2', v2.positionScreen.y );
+
+ if ( material instanceof THREE.LineBasicMaterial ) {
+
+ _svgNode.setAttribute( 'style', 'fill: none; stroke: ' + material.color.getContextStyle() + '; stroke-width: ' + material.linewidth + '; stroke-opacity: ' + material.opacity + '; stroke-linecap: ' + material.linecap + '; stroke-linejoin: ' + material.linejoin );
+
+ _svg.appendChild( _svgNode );
+
+ }
+
+ }
+
+ function renderFace3( v1, v2, v3, element, material, scene ) {
+
+ _this.info.render.vertices += 3;
+ _this.info.render.faces ++;
+
+ _svgNode = getPathNode( _pathCount ++ );
+ _svgNode.setAttribute( 'd', 'M ' + v1.positionScreen.x + ' ' + v1.positionScreen.y + ' L ' + v2.positionScreen.x + ' ' + v2.positionScreen.y + ' L ' + v3.positionScreen.x + ',' + v3.positionScreen.y + 'z' );
+
+ if ( material instanceof THREE.MeshBasicMaterial ) {
+
+ _color.copy( material.color );
+
+ } else if ( material instanceof THREE.MeshLambertMaterial ) {
+
+ if ( _enableLighting ) {
+
+ _color.r = _ambientLight.r;
+ _color.g = _ambientLight.g;
+ _color.b = _ambientLight.b;
+
+ calculateLight( _lights, element.centroidWorld, element.normalWorld, _color );
+
+ _color.r = Math.max( 0, Math.min( material.color.r * _color.r, 1 ) );
+ _color.g = Math.max( 0, Math.min( material.color.g * _color.g, 1 ) );
+ _color.b = Math.max( 0, Math.min( material.color.b * _color.b, 1 ) );
+
+ } else {
+
+ _color.copy( material.color );
+
+ }
+
+ } else if ( material instanceof THREE.MeshDepthMaterial ) {
+
+ _w = 1 - ( material.__2near / (material.__farPlusNear - element.z * material.__farMinusNear) );
+ _color.setRGB( _w, _w, _w );
+
+ } else if ( material instanceof THREE.MeshNormalMaterial ) {
+
+ _color.setRGB( normalToComponent( element.normalWorld.x ), normalToComponent( element.normalWorld.y ), normalToComponent( element.normalWorld.z ) );
+
+ }
+
+ if ( material.wireframe ) {
+
+ _svgNode.setAttribute( 'style', 'fill: none; stroke: ' + _color.getContextStyle() + '; stroke-width: ' + material.wireframeLinewidth + '; stroke-opacity: ' + material.opacity + '; stroke-linecap: ' + material.wireframeLinecap + '; stroke-linejoin: ' + material.wireframeLinejoin );
+
+ } else {
+
+ _svgNode.setAttribute( 'style', 'fill: ' + _color.getContextStyle() + '; fill-opacity: ' + material.opacity );
+
+ }
+
+ _svg.appendChild( _svgNode );
+
+ }
+
+ function renderFace4( v1, v2, v3, v4, element, material, scene ) {
+
+ _this.info.render.vertices += 4;
+ _this.info.render.faces ++;
+
+ _svgNode = getPathNode( _pathCount ++ );
+ _svgNode.setAttribute( 'd', 'M ' + v1.positionScreen.x + ' ' + v1.positionScreen.y + ' L ' + v2.positionScreen.x + ' ' + v2.positionScreen.y + ' L ' + v3.positionScreen.x + ',' + v3.positionScreen.y + ' L ' + v4.positionScreen.x + ',' + v4.positionScreen.y + 'z' );
+
+ if ( material instanceof THREE.MeshBasicMaterial ) {
+
+ _color.copy( material.color );
+
+ } else if ( material instanceof THREE.MeshLambertMaterial ) {
+
+ if ( _enableLighting ) {
+
+ _color.r = _ambientLight.r;
+ _color.g = _ambientLight.g;
+ _color.b = _ambientLight.b;
+
+ calculateLight( _lights, element.centroidWorld, element.normalWorld, _color );
+
+ _color.r = Math.max( 0, Math.min( material.color.r * _color.r, 1 ) );
+ _color.g = Math.max( 0, Math.min( material.color.g * _color.g, 1 ) );
+ _color.b = Math.max( 0, Math.min( material.color.b * _color.b, 1 ) );
+
+ } else {
+
+ _color.copy( material.color );
+
+ }
+
+ } else if ( material instanceof THREE.MeshDepthMaterial ) {
+
+ _w = 1 - ( material.__2near / (material.__farPlusNear - element.z * material.__farMinusNear) );
+ _color.setRGB( _w, _w, _w );
+
+ } else if ( material instanceof THREE.MeshNormalMaterial ) {
+
+ _color.setRGB( normalToComponent( element.normalWorld.x ), normalToComponent( element.normalWorld.y ), normalToComponent( element.normalWorld.z ) );
+
+ }
+
+ if ( material.wireframe ) {
+
+ _svgNode.setAttribute( 'style', 'fill: none; stroke: ' + _color.getContextStyle() + '; stroke-width: ' + material.wireframeLinewidth + '; stroke-opacity: ' + material.opacity + '; stroke-linecap: ' + material.wireframeLinecap + '; stroke-linejoin: ' + material.wireframeLinejoin );
+
+ } else {
+
+ _svgNode.setAttribute( 'style', 'fill: ' + _color.getContextStyle() + '; fill-opacity: ' + material.opacity );
+
+ }
+
+ _svg.appendChild( _svgNode );
+
+ }
+
+ function getLineNode( id ) {
+
+ if ( _svgLinePool[ id ] == null ) {
+
+ _svgLinePool[ id ] = document.createElementNS( 'http://www.w3.org/2000/svg', 'line' );
+
+ if ( _quality == 0 ) {
+
+ _svgLinePool[ id ].setAttribute( 'shape-rendering', 'crispEdges' ); //optimizeSpeed
+
+ }
+
+ return _svgLinePool[ id ];
+
+ }
+
+ return _svgLinePool[ id ];
+
+ }
+
+ function getPathNode( id ) {
+
+ if ( _svgPathPool[ id ] == null ) {
+
+ _svgPathPool[ id ] = document.createElementNS( 'http://www.w3.org/2000/svg', 'path' );
+
+ if ( _quality == 0 ) {
+
+ _svgPathPool[ id ].setAttribute( 'shape-rendering', 'crispEdges' ); //optimizeSpeed
+
+ }
+
+ return _svgPathPool[ id ];
+
+ }
+
+ return _svgPathPool[ id ];
+
+ }
+
+ function getCircleNode( id ) {
+
+ if ( _svgCirclePool[id] == null ) {
+
+ _svgCirclePool[ id ] = document.createElementNS( 'http://www.w3.org/2000/svg', 'circle' );
+
+ if ( _quality == 0 ) {
+
+ _svgCirclePool[id].setAttribute( 'shape-rendering', 'crispEdges' ); //optimizeSpeed
+
+ }
+
+ return _svgCirclePool[ id ];
+
+ }
+
+ return _svgCirclePool[ id ];
+
+ }
+
+ function normalToComponent( normal ) {
+
+ var component = ( normal + 1 ) * 0.5;
+ return component < 0 ? 0 : ( component > 1 ? 1 : component );
+
+ }
+
+ function pad( str ) {
+
+ while ( str.length < 6 ) str = '0' + str;
+ return str;
+
+ }
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ * @author mikael emtinger / http://gomo.se/
+ */
+
+THREE.ShaderChunk = {
+
+ // FOG
+
+ fog_pars_fragment: [
+
+ "#ifdef USE_FOG",
+
+ "uniform vec3 fogColor;",
+
+ "#ifdef FOG_EXP2",
+
+ "uniform float fogDensity;",
+
+ "#else",
+
+ "uniform float fogNear;",
+ "uniform float fogFar;",
+
+ "#endif",
+
+ "#endif"
+
+ ].join("\n"),
+
+ fog_fragment: [
+
+ "#ifdef USE_FOG",
+
+ "float depth = gl_FragCoord.z / gl_FragCoord.w;",
+
+ "#ifdef FOG_EXP2",
+
+ "const float LOG2 = 1.442695;",
+ "float fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );",
+ "fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );",
+
+ "#else",
+
+ "float fogFactor = smoothstep( fogNear, fogFar, depth );",
+
+ "#endif",
+
+ "gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // ENVIRONMENT MAP
+
+ envmap_pars_fragment: [
+
+ "#ifdef USE_ENVMAP",
+
+ "varying vec3 vReflect;",
+
+ "uniform float reflectivity;",
+ "uniform samplerCube envMap;",
+ "uniform float flipEnvMap;",
+ "uniform int combine;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ envmap_fragment: [
+
+ "#ifdef USE_ENVMAP",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "float flipNormal = ( -1.0 + 2.0 * float( gl_FrontFacing ) );",
+ "vec4 cubeColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * vReflect.x, vReflect.yz ) );",
+
+ "#else",
+
+ "vec4 cubeColor = textureCube( envMap, vec3( flipEnvMap * vReflect.x, vReflect.yz ) );",
+
+ "#endif",
+
+ "#ifdef GAMMA_INPUT",
+
+ "cubeColor.xyz *= cubeColor.xyz;",
+
+ "#endif",
+
+ "if ( combine == 1 ) {",
+
+ "gl_FragColor.xyz = mix( gl_FragColor.xyz, cubeColor.xyz, reflectivity );",
+
+ "} else {",
+
+ "gl_FragColor.xyz = gl_FragColor.xyz * cubeColor.xyz;",
+
+ "}",
+
+ "#endif"
+
+ ].join("\n"),
+
+ envmap_pars_vertex: [
+
+ "#ifdef USE_ENVMAP",
+
+ "varying vec3 vReflect;",
+
+ "uniform float refractionRatio;",
+ "uniform bool useRefract;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ envmap_vertex : [
+
+ "#ifdef USE_ENVMAP",
+
+ "vec4 mPosition = objectMatrix * vec4( position, 1.0 );",
+ "vec3 nWorld = mat3( objectMatrix[ 0 ].xyz, objectMatrix[ 1 ].xyz, objectMatrix[ 2 ].xyz ) * normal;",
+
+ "if ( useRefract ) {",
+
+ "vReflect = refract( normalize( mPosition.xyz - cameraPosition ), normalize( nWorld.xyz ), refractionRatio );",
+
+ "} else {",
+
+ "vReflect = reflect( normalize( mPosition.xyz - cameraPosition ), normalize( nWorld.xyz ) );",
+
+ "}",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // COLOR MAP (particles)
+
+ map_particle_pars_fragment: [
+
+ "#ifdef USE_MAP",
+
+ "uniform sampler2D map;",
+
+ "#endif"
+
+ ].join("\n"),
+
+
+ map_particle_fragment: [
+
+ "#ifdef USE_MAP",
+
+ "gl_FragColor = gl_FragColor * texture2D( map, gl_PointCoord );",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // COLOR MAP (triangles)
+
+ map_pars_vertex: [
+
+ "#ifdef USE_MAP",
+
+ "varying vec2 vUv;",
+ "uniform vec4 offsetRepeat;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ map_pars_fragment: [
+
+ "#ifdef USE_MAP",
+
+ "varying vec2 vUv;",
+ "uniform sampler2D map;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ map_vertex: [
+
+ "#ifdef USE_MAP",
+
+ "vUv = uv * offsetRepeat.zw + offsetRepeat.xy;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ map_fragment: [
+
+ "#ifdef USE_MAP",
+
+ "#ifdef GAMMA_INPUT",
+
+ "vec4 texelColor = texture2D( map, vUv );",
+ "texelColor.xyz *= texelColor.xyz;",
+
+ "gl_FragColor = gl_FragColor * texelColor;",
+
+ "#else",
+
+ "gl_FragColor = gl_FragColor * texture2D( map, vUv );",
+
+ "#endif",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // LIGHT MAP
+
+ lightmap_pars_fragment: [
+
+ "#ifdef USE_LIGHTMAP",
+
+ "varying vec2 vUv2;",
+ "uniform sampler2D lightMap;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ lightmap_pars_vertex: [
+
+ "#ifdef USE_LIGHTMAP",
+
+ "varying vec2 vUv2;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ lightmap_fragment: [
+
+ "#ifdef USE_LIGHTMAP",
+
+ "gl_FragColor = gl_FragColor * texture2D( lightMap, vUv2 );",
+
+ "#endif"
+
+ ].join("\n"),
+
+ lightmap_vertex: [
+
+ "#ifdef USE_LIGHTMAP",
+
+ "vUv2 = uv2;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // LIGHTS LAMBERT
+
+ lights_lambert_pars_vertex: [
+
+ "uniform vec3 ambient;",
+ "uniform vec3 diffuse;",
+ "uniform vec3 emissive;",
+
+ "uniform vec3 ambientLightColor;",
+
+ "#if MAX_DIR_LIGHTS > 0",
+
+ "uniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];",
+ "uniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];",
+
+ "#endif",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "uniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];",
+ "uniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];",
+ "uniform float pointLightDistance[ MAX_POINT_LIGHTS ];",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "uniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];",
+ "uniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];",
+ "uniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];",
+ "uniform float spotLightDistance[ MAX_SPOT_LIGHTS ];",
+ "uniform float spotLightAngle[ MAX_SPOT_LIGHTS ];",
+ "uniform float spotLightExponent[ MAX_SPOT_LIGHTS ];",
+
+ "#endif",
+
+ "#ifdef WRAP_AROUND",
+
+ "uniform vec3 wrapRGB;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ lights_lambert_vertex: [
+
+ "vLightFront = vec3( 0.0 );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vLightBack = vec3( 0.0 );",
+
+ "#endif",
+
+ "transformedNormal = normalize( transformedNormal );",
+
+ "#if MAX_DIR_LIGHTS > 0",
+
+ "for( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {",
+
+ "vec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );",
+ "vec3 dirVector = normalize( lDirection.xyz );",
+
+ "float dotProduct = dot( transformedNormal, dirVector );",
+ "vec3 directionalLightWeighting = vec3( max( dotProduct, 0.0 ) );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vec3 directionalLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );",
+
+ "#ifdef WRAP_AROUND",
+
+ "vec3 directionalLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );",
+
+ "#endif",
+
+ "#endif",
+
+ "#ifdef WRAP_AROUND",
+
+ "vec3 directionalLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );",
+ "directionalLightWeighting = mix( directionalLightWeighting, directionalLightWeightingHalf, wrapRGB );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "directionalLightWeightingBack = mix( directionalLightWeightingBack, directionalLightWeightingHalfBack, wrapRGB );",
+
+ "#endif",
+
+ "#endif",
+
+ "vLightFront += directionalLightColor[ i ] * directionalLightWeighting;",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vLightBack += directionalLightColor[ i ] * directionalLightWeightingBack;",
+
+ "#endif",
+
+ "}",
+
+ "#endif",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "for( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {",
+
+ "vec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );",
+ "vec3 lVector = lPosition.xyz - mvPosition.xyz;",
+
+ "float lDistance = 1.0;",
+ "if ( pointLightDistance[ i ] > 0.0 )",
+ "lDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );",
+
+ "lVector = normalize( lVector );",
+ "float dotProduct = dot( transformedNormal, lVector );",
+
+ "vec3 pointLightWeighting = vec3( max( dotProduct, 0.0 ) );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vec3 pointLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );",
+
+ "#ifdef WRAP_AROUND",
+
+ "vec3 pointLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );",
+
+ "#endif",
+
+ "#endif",
+
+ "#ifdef WRAP_AROUND",
+
+ "vec3 pointLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );",
+ "pointLightWeighting = mix( pointLightWeighting, pointLightWeightingHalf, wrapRGB );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "pointLightWeightingBack = mix( pointLightWeightingBack, pointLightWeightingHalfBack, wrapRGB );",
+
+ "#endif",
+
+ "#endif",
+
+ "vLightFront += pointLightColor[ i ] * pointLightWeighting * lDistance;",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vLightBack += pointLightColor[ i ] * pointLightWeightingBack * lDistance;",
+
+ "#endif",
+
+ "}",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "for( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {",
+
+ "vec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );",
+ "vec3 lVector = lPosition.xyz - mvPosition.xyz;",
+
+ "lVector = normalize( lVector );",
+
+ "float spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - mPosition.xyz ) );",
+
+ "if ( spotEffect > spotLightAngle[ i ] ) {",
+
+ "spotEffect = pow( spotEffect, spotLightExponent[ i ] );",
+
+ "float lDistance = 1.0;",
+ "if ( spotLightDistance[ i ] > 0.0 )",
+ "lDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );",
+
+ "float dotProduct = dot( transformedNormal, lVector );",
+ "vec3 spotLightWeighting = vec3( max( dotProduct, 0.0 ) );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vec3 spotLightWeightingBack = vec3( max( -dotProduct, 0.0 ) );",
+
+ "#ifdef WRAP_AROUND",
+
+ "vec3 spotLightWeightingHalfBack = vec3( max( -0.5 * dotProduct + 0.5, 0.0 ) );",
+
+ "#endif",
+
+ "#endif",
+
+ "#ifdef WRAP_AROUND",
+
+ "vec3 spotLightWeightingHalf = vec3( max( 0.5 * dotProduct + 0.5, 0.0 ) );",
+ "spotLightWeighting = mix( spotLightWeighting, spotLightWeightingHalf, wrapRGB );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "spotLightWeightingBack = mix( spotLightWeightingBack, spotLightWeightingHalfBack, wrapRGB );",
+
+ "#endif",
+
+ "#endif",
+
+ "vLightFront += spotLightColor[ i ] * spotLightWeighting * lDistance * spotEffect;",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vLightBack += spotLightColor[ i ] * spotLightWeightingBack * lDistance * spotEffect;",
+
+ "#endif",
+
+ "}",
+
+ "}",
+
+ "#endif",
+
+ "vLightFront = vLightFront * diffuse + ambient * ambientLightColor + emissive;",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "vLightBack = vLightBack * diffuse + ambient * ambientLightColor + emissive;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // LIGHTS PHONG
+
+ lights_phong_pars_vertex: [
+
+ "#ifndef PHONG_PER_PIXEL",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "uniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];",
+ "uniform float pointLightDistance[ MAX_POINT_LIGHTS ];",
+
+ "varying vec4 vPointLight[ MAX_POINT_LIGHTS ];",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "uniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];",
+ "uniform float spotLightDistance[ MAX_SPOT_LIGHTS ];",
+
+ "varying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];",
+
+ "#endif",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "varying vec3 vWorldPosition;",
+
+ "#endif"
+
+ ].join("\n"),
+
+
+ lights_phong_vertex: [
+
+ "#ifndef PHONG_PER_PIXEL",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "for( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {",
+
+ "vec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );",
+ "vec3 lVector = lPosition.xyz - mvPosition.xyz;",
+
+ "float lDistance = 1.0;",
+ "if ( pointLightDistance[ i ] > 0.0 )",
+ "lDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );",
+
+ "vPointLight[ i ] = vec4( lVector, lDistance );",
+
+ "}",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "for( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {",
+
+ "vec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );",
+ "vec3 lVector = lPosition.xyz - mvPosition.xyz;",
+
+ "float lDistance = 1.0;",
+ "if ( spotLightDistance[ i ] > 0.0 )",
+ "lDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );",
+
+ "vSpotLight[ i ] = vec4( lVector, lDistance );",
+
+ "}",
+
+ "#endif",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "vWorldPosition = mPosition.xyz;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ lights_phong_pars_fragment: [
+
+ "uniform vec3 ambientLightColor;",
+
+ "#if MAX_DIR_LIGHTS > 0",
+
+ "uniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];",
+ "uniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];",
+
+ "#endif",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "uniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];",
+
+ "#ifdef PHONG_PER_PIXEL",
+
+ "uniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];",
+ "uniform float pointLightDistance[ MAX_POINT_LIGHTS ];",
+
+ "#else",
+
+ "varying vec4 vPointLight[ MAX_POINT_LIGHTS ];",
+
+ "#endif",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "uniform vec3 spotLightColor[ MAX_SPOT_LIGHTS ];",
+ "uniform vec3 spotLightPosition[ MAX_SPOT_LIGHTS ];",
+ "uniform vec3 spotLightDirection[ MAX_SPOT_LIGHTS ];",
+ "uniform float spotLightAngle[ MAX_SPOT_LIGHTS ];",
+ "uniform float spotLightExponent[ MAX_SPOT_LIGHTS ];",
+
+ "#ifdef PHONG_PER_PIXEL",
+
+ "uniform float spotLightDistance[ MAX_SPOT_LIGHTS ];",
+
+ "#else",
+
+ "varying vec4 vSpotLight[ MAX_SPOT_LIGHTS ];",
+
+ "#endif",
+
+ "varying vec3 vWorldPosition;",
+
+ "#endif",
+
+ "#ifdef WRAP_AROUND",
+
+ "uniform vec3 wrapRGB;",
+
+ "#endif",
+
+ "varying vec3 vViewPosition;",
+ "varying vec3 vNormal;"
+
+ ].join("\n"),
+
+ lights_phong_fragment: [
+
+ "vec3 normal = normalize( vNormal );",
+ "vec3 viewPosition = normalize( vViewPosition );",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "normal = normal * ( -1.0 + 2.0 * float( gl_FrontFacing ) );",
+
+ "#endif",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "vec3 pointDiffuse = vec3( 0.0 );",
+ "vec3 pointSpecular = vec3( 0.0 );",
+
+ "for ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {",
+
+ "#ifdef PHONG_PER_PIXEL",
+
+ "vec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );",
+ "vec3 lVector = lPosition.xyz + vViewPosition.xyz;",
+
+ "float lDistance = 1.0;",
+ "if ( pointLightDistance[ i ] > 0.0 )",
+ "lDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );",
+
+ "lVector = normalize( lVector );",
+
+ "#else",
+
+ "vec3 lVector = normalize( vPointLight[ i ].xyz );",
+ "float lDistance = vPointLight[ i ].w;",
+
+ "#endif",
+
+ // diffuse
+
+ "float dotProduct = dot( normal, lVector );",
+
+ "#ifdef WRAP_AROUND",
+
+ "float pointDiffuseWeightFull = max( dotProduct, 0.0 );",
+ "float pointDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );",
+
+ "vec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );",
+
+ "#else",
+
+ "float pointDiffuseWeight = max( dotProduct, 0.0 );",
+
+ "#endif",
+
+ "pointDiffuse += diffuse * pointLightColor[ i ] * pointDiffuseWeight * lDistance;",
+
+ // specular
+
+ "vec3 pointHalfVector = normalize( lVector + viewPosition );",
+ "float pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );",
+ "float pointSpecularWeight = max( pow( pointDotNormalHalf, shininess ), 0.0 );",
+
+ "#ifdef PHYSICALLY_BASED_SHADING",
+
+ // 2.0 => 2.0001 is hack to work around ANGLE bug
+
+ "float specularNormalization = ( shininess + 2.0001 ) / 8.0;",
+
+ "vec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, pointHalfVector ), 5.0 );",
+ "pointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance * specularNormalization;",
+
+ "#else",
+
+ "pointSpecular += specular * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance;",
+
+ "#endif",
+
+ "}",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "vec3 spotDiffuse = vec3( 0.0 );",
+ "vec3 spotSpecular = vec3( 0.0 );",
+
+ "for ( int i = 0; i < MAX_SPOT_LIGHTS; i ++ ) {",
+
+ "#ifdef PHONG_PER_PIXEL",
+
+ "vec4 lPosition = viewMatrix * vec4( spotLightPosition[ i ], 1.0 );",
+ "vec3 lVector = lPosition.xyz + vViewPosition.xyz;",
+
+ "float lDistance = 1.0;",
+ "if ( spotLightDistance[ i ] > 0.0 )",
+ "lDistance = 1.0 - min( ( length( lVector ) / spotLightDistance[ i ] ), 1.0 );",
+
+ "lVector = normalize( lVector );",
+
+ "#else",
+
+ "vec3 lVector = normalize( vSpotLight[ i ].xyz );",
+ "float lDistance = vSpotLight[ i ].w;",
+
+ "#endif",
+
+ "float spotEffect = dot( spotLightDirection[ i ], normalize( spotLightPosition[ i ] - vWorldPosition ) );",
+
+ "if ( spotEffect > spotLightAngle[ i ] ) {",
+
+ "spotEffect = pow( spotEffect, spotLightExponent[ i ] );",
+
+ // diffuse
+
+ "float dotProduct = dot( normal, lVector );",
+
+ "#ifdef WRAP_AROUND",
+
+ "float spotDiffuseWeightFull = max( dotProduct, 0.0 );",
+ "float spotDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );",
+
+ "vec3 spotDiffuseWeight = mix( vec3 ( spotDiffuseWeightFull ), vec3( spotDiffuseWeightHalf ), wrapRGB );",
+
+ "#else",
+
+ "float spotDiffuseWeight = max( dotProduct, 0.0 );",
+
+ "#endif",
+
+ "spotDiffuse += diffuse * spotLightColor[ i ] * spotDiffuseWeight * lDistance * spotEffect;",
+
+ // specular
+
+ "vec3 spotHalfVector = normalize( lVector + viewPosition );",
+ "float spotDotNormalHalf = max( dot( normal, spotHalfVector ), 0.0 );",
+ "float spotSpecularWeight = max( pow( spotDotNormalHalf, shininess ), 0.0 );",
+
+ "#ifdef PHYSICALLY_BASED_SHADING",
+
+ // 2.0 => 2.0001 is hack to work around ANGLE bug
+
+ "float specularNormalization = ( shininess + 2.0001 ) / 8.0;",
+
+ "vec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( lVector, spotHalfVector ), 5.0 );",
+ "spotSpecular += schlick * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * specularNormalization * spotEffect;",
+
+ "#else",
+
+ "spotSpecular += specular * spotLightColor[ i ] * spotSpecularWeight * spotDiffuseWeight * lDistance * spotEffect;",
+
+ "#endif",
+
+ "}",
+
+ "}",
+
+ "#endif",
+
+ "#if MAX_DIR_LIGHTS > 0",
+
+ "vec3 dirDiffuse = vec3( 0.0 );",
+ "vec3 dirSpecular = vec3( 0.0 );" ,
+
+ "for( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {",
+
+ "vec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );",
+ "vec3 dirVector = normalize( lDirection.xyz );",
+
+ // diffuse
+
+ "float dotProduct = dot( normal, dirVector );",
+
+ "#ifdef WRAP_AROUND",
+
+ "float dirDiffuseWeightFull = max( dotProduct, 0.0 );",
+ "float dirDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );",
+
+ "vec3 dirDiffuseWeight = mix( vec3( dirDiffuseWeightFull ), vec3( dirDiffuseWeightHalf ), wrapRGB );",
+
+ "#else",
+
+ "float dirDiffuseWeight = max( dotProduct, 0.0 );",
+
+ "#endif",
+
+ "dirDiffuse += diffuse * directionalLightColor[ i ] * dirDiffuseWeight;",
+
+ // specular
+
+ "vec3 dirHalfVector = normalize( dirVector + viewPosition );",
+ "float dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );",
+ "float dirSpecularWeight = max( pow( dirDotNormalHalf, shininess ), 0.0 );",
+
+ "#ifdef PHYSICALLY_BASED_SHADING",
+
+ /*
+ // fresnel term from skin shader
+ "const float F0 = 0.128;",
+
+ "float base = 1.0 - dot( viewPosition, dirHalfVector );",
+ "float exponential = pow( base, 5.0 );",
+
+ "float fresnel = exponential + F0 * ( 1.0 - exponential );",
+ */
+
+ /*
+ // fresnel term from fresnel shader
+ "const float mFresnelBias = 0.08;",
+ "const float mFresnelScale = 0.3;",
+ "const float mFresnelPower = 5.0;",
+
+ "float fresnel = mFresnelBias + mFresnelScale * pow( 1.0 + dot( normalize( -viewPosition ), normal ), mFresnelPower );",
+ */
+
+ // 2.0 => 2.0001 is hack to work around ANGLE bug
+
+ "float specularNormalization = ( shininess + 2.0001 ) / 8.0;",
+
+ //"dirSpecular += specular * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization * fresnel;",
+
+ "vec3 schlick = specular + vec3( 1.0 - specular ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );",
+ "dirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;",
+
+ "#else",
+
+ "dirSpecular += specular * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight;",
+
+ "#endif",
+
+ "}",
+
+ "#endif",
+
+ "vec3 totalDiffuse = vec3( 0.0 );",
+ "vec3 totalSpecular = vec3( 0.0 );",
+
+ "#if MAX_DIR_LIGHTS > 0",
+
+ "totalDiffuse += dirDiffuse;",
+ "totalSpecular += dirSpecular;",
+
+ "#endif",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "totalDiffuse += pointDiffuse;",
+ "totalSpecular += pointSpecular;",
+
+ "#endif",
+
+ "#if MAX_SPOT_LIGHTS > 0",
+
+ "totalDiffuse += spotDiffuse;",
+ "totalSpecular += spotSpecular;",
+
+ "#endif",
+
+ "#ifdef METAL",
+
+ "gl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient + totalSpecular );",
+
+ "#else",
+
+ "gl_FragColor.xyz = gl_FragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient ) + totalSpecular;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // VERTEX COLORS
+
+ color_pars_fragment: [
+
+ "#ifdef USE_COLOR",
+
+ "varying vec3 vColor;",
+
+ "#endif"
+
+ ].join("\n"),
+
+
+ color_fragment: [
+
+ "#ifdef USE_COLOR",
+
+ "gl_FragColor = gl_FragColor * vec4( vColor, opacity );",
+
+ "#endif"
+
+ ].join("\n"),
+
+ color_pars_vertex: [
+
+ "#ifdef USE_COLOR",
+
+ "varying vec3 vColor;",
+
+ "#endif"
+
+ ].join("\n"),
+
+
+ color_vertex: [
+
+ "#ifdef USE_COLOR",
+
+ "#ifdef GAMMA_INPUT",
+
+ "vColor = color * color;",
+
+ "#else",
+
+ "vColor = color;",
+
+ "#endif",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // SKINNING
+
+ skinning_pars_vertex: [
+
+ "#ifdef USE_SKINNING",
+
+ "uniform mat4 boneGlobalMatrices[ MAX_BONES ];",
+
+ "#endif"
+
+ ].join("\n"),
+
+ skinning_vertex: [
+
+ "#ifdef USE_SKINNING",
+
+ "gl_Position = ( boneGlobalMatrices[ int( skinIndex.x ) ] * skinVertexA ) * skinWeight.x;",
+ "gl_Position += ( boneGlobalMatrices[ int( skinIndex.y ) ] * skinVertexB ) * skinWeight.y;",
+
+ "gl_Position = projectionMatrix * modelViewMatrix * gl_Position;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // MORPHING
+
+ morphtarget_pars_vertex: [
+
+ "#ifdef USE_MORPHTARGETS",
+
+ "#ifndef USE_MORPHNORMALS",
+
+ "uniform float morphTargetInfluences[ 8 ];",
+
+ "#else",
+
+ "uniform float morphTargetInfluences[ 4 ];",
+
+ "#endif",
+
+ "#endif"
+
+ ].join("\n"),
+
+ morphtarget_vertex: [
+
+ "#ifdef USE_MORPHTARGETS",
+
+ "vec3 morphed = vec3( 0.0 );",
+ "morphed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];",
+ "morphed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];",
+ "morphed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];",
+ "morphed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];",
+
+ "#ifndef USE_MORPHNORMALS",
+
+ "morphed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];",
+ "morphed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];",
+ "morphed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];",
+ "morphed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];",
+
+ "#endif",
+
+ "morphed += position;",
+
+ "gl_Position = projectionMatrix * modelViewMatrix * vec4( morphed, 1.0 );",
+
+ "#endif"
+
+ ].join("\n"),
+
+ default_vertex : [
+
+ "#ifndef USE_MORPHTARGETS",
+ "#ifndef USE_SKINNING",
+
+ "gl_Position = projectionMatrix * mvPosition;",
+
+ "#endif",
+ "#endif"
+
+ ].join("\n"),
+
+ morphnormal_vertex: [
+
+ "#ifdef USE_MORPHNORMALS",
+
+ "vec3 morphedNormal = vec3( 0.0 );",
+
+ "morphedNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];",
+ "morphedNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];",
+ "morphedNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];",
+ "morphedNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];",
+
+ "morphedNormal += normal;",
+
+ "vec3 transformedNormal = normalMatrix * morphedNormal;",
+
+ "#else",
+
+ "vec3 transformedNormal = normalMatrix * normal;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // SHADOW MAP
+
+ // based on SpiderGL shadow map and Fabien Sanglard's GLSL shadow mapping examples
+ // http://spidergl.org/example.php?id=6
+ // http://fabiensanglard.net/shadowmapping
+
+ shadowmap_pars_fragment: [
+
+ "#ifdef USE_SHADOWMAP",
+
+ "uniform sampler2D shadowMap[ MAX_SHADOWS ];",
+ "uniform vec2 shadowMapSize[ MAX_SHADOWS ];",
+
+ "uniform float shadowDarkness[ MAX_SHADOWS ];",
+ "uniform float shadowBias[ MAX_SHADOWS ];",
+
+ "varying vec4 vShadowCoord[ MAX_SHADOWS ];",
+
+ "float unpackDepth( const in vec4 rgba_depth ) {",
+
+ "const vec4 bit_shift = vec4( 1.0 / ( 256.0 * 256.0 * 256.0 ), 1.0 / ( 256.0 * 256.0 ), 1.0 / 256.0, 1.0 );",
+ "float depth = dot( rgba_depth, bit_shift );",
+ "return depth;",
+
+ "}",
+
+ "#endif"
+
+ ].join("\n"),
+
+ shadowmap_fragment: [
+
+ "#ifdef USE_SHADOWMAP",
+
+ "#ifdef SHADOWMAP_DEBUG",
+
+ "vec3 frustumColors[3];",
+ "frustumColors[0] = vec3( 1.0, 0.5, 0.0 );",
+ "frustumColors[1] = vec3( 0.0, 1.0, 0.8 );",
+ "frustumColors[2] = vec3( 0.0, 0.5, 1.0 );",
+
+ "#endif",
+
+ "#ifdef SHADOWMAP_CASCADE",
+
+ "int inFrustumCount = 0;",
+
+ "#endif",
+
+ "float fDepth;",
+ "vec3 shadowColor = vec3( 1.0 );",
+
+ "for( int i = 0; i < MAX_SHADOWS; i ++ ) {",
+
+ "vec3 shadowCoord = vShadowCoord[ i ].xyz / vShadowCoord[ i ].w;",
+
+ // "if ( something && something )" breaks ATI OpenGL shader compiler
+ // "if ( all( something, something ) )" using this instead
+
+ "bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );",
+ "bool inFrustum = all( inFrustumVec );",
+
+ // don't shadow pixels outside of light frustum
+ // use just first frustum (for cascades)
+ // don't shadow pixels behind far plane of light frustum
+
+ "#ifdef SHADOWMAP_CASCADE",
+
+ "inFrustumCount += int( inFrustum );",
+ "bvec3 frustumTestVec = bvec3( inFrustum, inFrustumCount == 1, shadowCoord.z <= 1.0 );",
+
+ "#else",
+
+ "bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );",
+
+ "#endif",
+
+ "bool frustumTest = all( frustumTestVec );",
+
+ "if ( frustumTest ) {",
+
+ "shadowCoord.z += shadowBias[ i ];",
+
+ "#ifdef SHADOWMAP_SOFT",
+
+ // Percentage-close filtering
+ // (9 pixel kernel)
+ // http://fabiensanglard.net/shadowmappingPCF/
+
+ "float shadow = 0.0;",
+
+ /*
+ // nested loops breaks shader compiler / validator on some ATI cards when using OpenGL
+ // must enroll loop manually
+
+ "for ( float y = -1.25; y <= 1.25; y += 1.25 )",
+ "for ( float x = -1.25; x <= 1.25; x += 1.25 ) {",
+
+ "vec4 rgbaDepth = texture2D( shadowMap[ i ], vec2( x * xPixelOffset, y * yPixelOffset ) + shadowCoord.xy );",
+
+ // doesn't seem to produce any noticeable visual difference compared to simple "texture2D" lookup
+ //"vec4 rgbaDepth = texture2DProj( shadowMap[ i ], vec4( vShadowCoord[ i ].w * ( vec2( x * xPixelOffset, y * yPixelOffset ) + shadowCoord.xy ), 0.05, vShadowCoord[ i ].w ) );",
+
+ "float fDepth = unpackDepth( rgbaDepth );",
+
+ "if ( fDepth < shadowCoord.z )",
+ "shadow += 1.0;",
+
+ "}",
+
+ "shadow /= 9.0;",
+
+ */
+
+ "const float shadowDelta = 1.0 / 9.0;",
+
+ "float xPixelOffset = 1.0 / shadowMapSize[ i ].x;",
+ "float yPixelOffset = 1.0 / shadowMapSize[ i ].y;",
+
+ "float dx0 = -1.25 * xPixelOffset;",
+ "float dy0 = -1.25 * yPixelOffset;",
+ "float dx1 = 1.25 * xPixelOffset;",
+ "float dy1 = 1.25 * yPixelOffset;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );",
+ "if ( fDepth < shadowCoord.z ) shadow += shadowDelta;",
+
+ "shadowColor = shadowColor * vec3( ( 1.0 - shadowDarkness[ i ] * shadow ) );",
+
+ "#else",
+
+ "vec4 rgbaDepth = texture2D( shadowMap[ i ], shadowCoord.xy );",
+ "float fDepth = unpackDepth( rgbaDepth );",
+
+ "if ( fDepth < shadowCoord.z )",
+
+ // spot with multiple shadows is darker
+
+ "shadowColor = shadowColor * vec3( 1.0 - shadowDarkness[ i ] );",
+
+ // spot with multiple shadows has the same color as single shadow spot
+
+ //"shadowColor = min( shadowColor, vec3( shadowDarkness[ i ] ) );",
+
+ "#endif",
+
+ "}",
+
+
+ "#ifdef SHADOWMAP_DEBUG",
+
+ "#ifdef SHADOWMAP_CASCADE",
+
+ "if ( inFrustum && inFrustumCount == 1 ) gl_FragColor.xyz *= frustumColors[ i ];",
+
+ "#else",
+
+ "if ( inFrustum ) gl_FragColor.xyz *= frustumColors[ i ];",
+
+ "#endif",
+
+ "#endif",
+
+ "}",
+
+ "#ifdef GAMMA_OUTPUT",
+
+ "shadowColor *= shadowColor;",
+
+ "#endif",
+
+ "gl_FragColor.xyz = gl_FragColor.xyz * shadowColor;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ shadowmap_pars_vertex: [
+
+ "#ifdef USE_SHADOWMAP",
+
+ "varying vec4 vShadowCoord[ MAX_SHADOWS ];",
+ "uniform mat4 shadowMatrix[ MAX_SHADOWS ];",
+
+ "#endif"
+
+ ].join("\n"),
+
+ shadowmap_vertex: [
+
+ "#ifdef USE_SHADOWMAP",
+
+ "for( int i = 0; i < MAX_SHADOWS; i ++ ) {",
+
+ "#ifdef USE_MORPHTARGETS",
+
+ "vShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( morphed, 1.0 );",
+
+ "#else",
+
+ "vShadowCoord[ i ] = shadowMatrix[ i ] * objectMatrix * vec4( position, 1.0 );",
+
+ "#endif",
+
+ "}",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // ALPHATEST
+
+ alphatest_fragment: [
+
+ "#ifdef ALPHATEST",
+
+ "if ( gl_FragColor.a < ALPHATEST ) discard;",
+
+ "#endif"
+
+ ].join("\n"),
+
+ // LINEAR SPACE
+
+ linear_to_gamma_fragment: [
+
+ "#ifdef GAMMA_OUTPUT",
+
+ "gl_FragColor.xyz = sqrt( gl_FragColor.xyz );",
+
+ "#endif"
+
+ ].join("\n"),
+
+
+};
+
+THREE.UniformsUtils = {
+
+ merge: function ( uniforms ) {
+
+ var u, p, tmp, merged = {};
+
+ for ( u = 0; u < uniforms.length; u++ ) {
+
+ tmp = this.clone( uniforms[ u ] );
+
+ for ( p in tmp ) {
+
+ merged[ p ] = tmp[ p ];
+
+ }
+
+ }
+
+ return merged;
+
+ },
+
+ clone: function ( uniforms_src ) {
+
+ var u, p, parameter, parameter_src, uniforms_dst = {};
+
+ for ( u in uniforms_src ) {
+
+ uniforms_dst[ u ] = {};
+
+ for ( p in uniforms_src[ u ] ) {
+
+ parameter_src = uniforms_src[ u ][ p ];
+
+ if ( parameter_src instanceof THREE.Color ||
+ parameter_src instanceof THREE.Vector2 ||
+ parameter_src instanceof THREE.Vector3 ||
+ parameter_src instanceof THREE.Vector4 ||
+ parameter_src instanceof THREE.Matrix4 ||
+ parameter_src instanceof THREE.Texture ) {
+
+ uniforms_dst[ u ][ p ] = parameter_src.clone();
+
+ } else if ( parameter_src instanceof Array ) {
+
+ uniforms_dst[ u ][ p ] = parameter_src.slice();
+
+ } else {
+
+ uniforms_dst[ u ][ p ] = parameter_src;
+
+ }
+
+ }
+
+ }
+
+ return uniforms_dst;
+
+ }
+
+};
+
+THREE.UniformsLib = {
+
+ common: {
+
+ "diffuse" : { type: "c", value: new THREE.Color( 0xeeeeee ) },
+ "opacity" : { type: "f", value: 1.0 },
+
+ "map" : { type: "t", value: 0, texture: null },
+ "offsetRepeat" : { type: "v4", value: new THREE.Vector4( 0, 0, 1, 1 ) },
+
+ "lightMap" : { type: "t", value: 2, texture: null },
+
+ "envMap" : { type: "t", value: 1, texture: null },
+ "flipEnvMap" : { type: "f", value: -1 },
+ "useRefract" : { type: "i", value: 0 },
+ "reflectivity" : { type: "f", value: 1.0 },
+ "refractionRatio" : { type: "f", value: 0.98 },
+ "combine" : { type: "i", value: 0 },
+
+ "morphTargetInfluences" : { type: "f", value: 0 }
+
+ },
+
+ fog : {
+
+ "fogDensity" : { type: "f", value: 0.00025 },
+ "fogNear" : { type: "f", value: 1 },
+ "fogFar" : { type: "f", value: 2000 },
+ "fogColor" : { type: "c", value: new THREE.Color( 0xffffff ) }
+
+ },
+
+ lights: {
+
+ "ambientLightColor" : { type: "fv", value: [] },
+
+ "directionalLightDirection" : { type: "fv", value: [] },
+ "directionalLightColor" : { type: "fv", value: [] },
+
+ "pointLightColor" : { type: "fv", value: [] },
+ "pointLightPosition" : { type: "fv", value: [] },
+ "pointLightDistance" : { type: "fv1", value: [] },
+
+ "spotLightColor" : { type: "fv", value: [] },
+ "spotLightPosition" : { type: "fv", value: [] },
+ "spotLightDirection" : { type: "fv", value: [] },
+ "spotLightDistance" : { type: "fv1", value: [] },
+ "spotLightAngle" : { type: "fv1", value: [] },
+ "spotLightExponent" : { type: "fv1", value: [] }
+
+ },
+
+ particle: {
+
+ "psColor" : { type: "c", value: new THREE.Color( 0xeeeeee ) },
+ "opacity" : { type: "f", value: 1.0 },
+ "size" : { type: "f", value: 1.0 },
+ "scale" : { type: "f", value: 1.0 },
+ "map" : { type: "t", value: 0, texture: null },
+
+ "fogDensity" : { type: "f", value: 0.00025 },
+ "fogNear" : { type: "f", value: 1 },
+ "fogFar" : { type: "f", value: 2000 },
+ "fogColor" : { type: "c", value: new THREE.Color( 0xffffff ) }
+
+ },
+
+ shadowmap: {
+
+ "shadowMap": { type: "tv", value: 6, texture: [] },
+ "shadowMapSize": { type: "v2v", value: [] },
+
+ "shadowBias" : { type: "fv1", value: [] },
+ "shadowDarkness": { type: "fv1", value: [] },
+
+ "shadowMatrix" : { type: "m4v", value: [] },
+
+ }
+
+};
+
+THREE.ShaderLib = {
+
+ 'depth': {
+
+ uniforms: {
+
+ "mNear": { type: "f", value: 1.0 },
+ "mFar" : { type: "f", value: 2000.0 },
+ "opacity" : { type: "f", value: 1.0 }
+
+ },
+
+ vertexShader: [
+
+ "void main() {",
+
+ "gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "uniform float mNear;",
+ "uniform float mFar;",
+ "uniform float opacity;",
+
+ "void main() {",
+
+ "float depth = gl_FragCoord.z / gl_FragCoord.w;",
+ "float color = 1.0 - smoothstep( mNear, mFar, depth );",
+ "gl_FragColor = vec4( vec3( color ), opacity );",
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ 'normal': {
+
+ uniforms: {
+
+ "opacity" : { type: "f", value: 1.0 }
+
+ },
+
+ vertexShader: [
+
+ "varying vec3 vNormal;",
+
+ "void main() {",
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+ "vNormal = normalMatrix * normal;",
+
+ "gl_Position = projectionMatrix * mvPosition;",
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "uniform float opacity;",
+ "varying vec3 vNormal;",
+
+ "void main() {",
+
+ "gl_FragColor = vec4( 0.5 * normalize( vNormal ) + 0.5, opacity );",
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ 'basic': {
+
+ uniforms: THREE.UniformsUtils.merge( [
+
+ THREE.UniformsLib[ "common" ],
+ THREE.UniformsLib[ "fog" ],
+ THREE.UniformsLib[ "shadowmap" ]
+
+ ] ),
+
+ vertexShader: [
+
+ THREE.ShaderChunk[ "map_pars_vertex" ],
+ THREE.ShaderChunk[ "lightmap_pars_vertex" ],
+ THREE.ShaderChunk[ "envmap_pars_vertex" ],
+ THREE.ShaderChunk[ "color_pars_vertex" ],
+ THREE.ShaderChunk[ "skinning_pars_vertex" ],
+ THREE.ShaderChunk[ "morphtarget_pars_vertex" ],
+ THREE.ShaderChunk[ "shadowmap_pars_vertex" ],
+
+ "void main() {",
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+
+ THREE.ShaderChunk[ "map_vertex" ],
+ THREE.ShaderChunk[ "lightmap_vertex" ],
+ THREE.ShaderChunk[ "envmap_vertex" ],
+ THREE.ShaderChunk[ "color_vertex" ],
+ THREE.ShaderChunk[ "skinning_vertex" ],
+ THREE.ShaderChunk[ "morphtarget_vertex" ],
+ THREE.ShaderChunk[ "default_vertex" ],
+ THREE.ShaderChunk[ "shadowmap_vertex" ],
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "uniform vec3 diffuse;",
+ "uniform float opacity;",
+
+ THREE.ShaderChunk[ "color_pars_fragment" ],
+ THREE.ShaderChunk[ "map_pars_fragment" ],
+ THREE.ShaderChunk[ "lightmap_pars_fragment" ],
+ THREE.ShaderChunk[ "envmap_pars_fragment" ],
+ THREE.ShaderChunk[ "fog_pars_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
+
+ "void main() {",
+
+ "gl_FragColor = vec4( diffuse, opacity );",
+
+ THREE.ShaderChunk[ "map_fragment" ],
+ THREE.ShaderChunk[ "alphatest_fragment" ],
+ THREE.ShaderChunk[ "lightmap_fragment" ],
+ THREE.ShaderChunk[ "color_fragment" ],
+ THREE.ShaderChunk[ "envmap_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_fragment" ],
+
+ THREE.ShaderChunk[ "linear_to_gamma_fragment" ],
+
+ THREE.ShaderChunk[ "fog_fragment" ],
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ 'lambert': {
+
+ uniforms: THREE.UniformsUtils.merge( [
+
+ THREE.UniformsLib[ "common" ],
+ THREE.UniformsLib[ "fog" ],
+ THREE.UniformsLib[ "lights" ],
+ THREE.UniformsLib[ "shadowmap" ],
+
+ {
+ "ambient" : { type: "c", value: new THREE.Color( 0xffffff ) },
+ "emissive" : { type: "c", value: new THREE.Color( 0x000000 ) },
+ "wrapRGB" : { type: "v3", value: new THREE.Vector3( 1, 1, 1 ) }
+ }
+
+ ] ),
+
+ vertexShader: [
+
+ "varying vec3 vLightFront;",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "varying vec3 vLightBack;",
+
+ "#endif",
+
+ THREE.ShaderChunk[ "map_pars_vertex" ],
+ THREE.ShaderChunk[ "lightmap_pars_vertex" ],
+ THREE.ShaderChunk[ "envmap_pars_vertex" ],
+ THREE.ShaderChunk[ "lights_lambert_pars_vertex" ],
+ THREE.ShaderChunk[ "color_pars_vertex" ],
+ THREE.ShaderChunk[ "skinning_pars_vertex" ],
+ THREE.ShaderChunk[ "morphtarget_pars_vertex" ],
+ THREE.ShaderChunk[ "shadowmap_pars_vertex" ],
+
+ "void main() {",
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+
+ THREE.ShaderChunk[ "map_vertex" ],
+ THREE.ShaderChunk[ "lightmap_vertex" ],
+ THREE.ShaderChunk[ "envmap_vertex" ],
+ THREE.ShaderChunk[ "color_vertex" ],
+
+ THREE.ShaderChunk[ "morphnormal_vertex" ],
+
+ "#ifndef USE_ENVMAP",
+
+ "vec4 mPosition = objectMatrix * vec4( position, 1.0 );",
+
+ "#endif",
+
+ THREE.ShaderChunk[ "lights_lambert_vertex" ],
+ THREE.ShaderChunk[ "skinning_vertex" ],
+ THREE.ShaderChunk[ "morphtarget_vertex" ],
+ THREE.ShaderChunk[ "default_vertex" ],
+ THREE.ShaderChunk[ "shadowmap_vertex" ],
+
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "uniform float opacity;",
+
+ "varying vec3 vLightFront;",
+
+ "#ifdef DOUBLE_SIDED",
+
+ "varying vec3 vLightBack;",
+
+ "#endif",
+
+ THREE.ShaderChunk[ "color_pars_fragment" ],
+ THREE.ShaderChunk[ "map_pars_fragment" ],
+ THREE.ShaderChunk[ "lightmap_pars_fragment" ],
+ THREE.ShaderChunk[ "envmap_pars_fragment" ],
+ THREE.ShaderChunk[ "fog_pars_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
+
+ "void main() {",
+
+ "gl_FragColor = vec4( vec3 ( 1.0 ), opacity );",
+
+ THREE.ShaderChunk[ "map_fragment" ],
+ THREE.ShaderChunk[ "alphatest_fragment" ],
+
+ "#ifdef DOUBLE_SIDED",
+
+ //"float isFront = float( gl_FrontFacing );",
+ //"gl_FragColor.xyz *= isFront * vLightFront + ( 1.0 - isFront ) * vLightBack;",
+
+ "if ( gl_FrontFacing )",
+ "gl_FragColor.xyz *= vLightFront;",
+ "else",
+ "gl_FragColor.xyz *= vLightBack;",
+
+ "#else",
+
+ "gl_FragColor.xyz *= vLightFront;",
+
+ "#endif",
+
+ THREE.ShaderChunk[ "lightmap_fragment" ],
+ THREE.ShaderChunk[ "color_fragment" ],
+ THREE.ShaderChunk[ "envmap_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_fragment" ],
+
+ THREE.ShaderChunk[ "linear_to_gamma_fragment" ],
+
+ THREE.ShaderChunk[ "fog_fragment" ],
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ 'phong': {
+
+ uniforms: THREE.UniformsUtils.merge( [
+
+ THREE.UniformsLib[ "common" ],
+ THREE.UniformsLib[ "fog" ],
+ THREE.UniformsLib[ "lights" ],
+ THREE.UniformsLib[ "shadowmap" ],
+
+ {
+ "ambient" : { type: "c", value: new THREE.Color( 0xffffff ) },
+ "emissive" : { type: "c", value: new THREE.Color( 0x000000 ) },
+ "specular" : { type: "c", value: new THREE.Color( 0x111111 ) },
+ "shininess": { type: "f", value: 30 },
+ "wrapRGB" : { type: "v3", value: new THREE.Vector3( 1, 1, 1 ) }
+ }
+
+ ] ),
+
+ vertexShader: [
+
+ "varying vec3 vViewPosition;",
+ "varying vec3 vNormal;",
+
+ THREE.ShaderChunk[ "map_pars_vertex" ],
+ THREE.ShaderChunk[ "lightmap_pars_vertex" ],
+ THREE.ShaderChunk[ "envmap_pars_vertex" ],
+ THREE.ShaderChunk[ "lights_phong_pars_vertex" ],
+ THREE.ShaderChunk[ "color_pars_vertex" ],
+ THREE.ShaderChunk[ "skinning_pars_vertex" ],
+ THREE.ShaderChunk[ "morphtarget_pars_vertex" ],
+ THREE.ShaderChunk[ "shadowmap_pars_vertex" ],
+
+ "void main() {",
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+
+ THREE.ShaderChunk[ "map_vertex" ],
+ THREE.ShaderChunk[ "lightmap_vertex" ],
+ THREE.ShaderChunk[ "envmap_vertex" ],
+ THREE.ShaderChunk[ "color_vertex" ],
+
+ "#ifndef USE_ENVMAP",
+
+ "vec4 mPosition = objectMatrix * vec4( position, 1.0 );",
+
+ "#endif",
+
+ "vViewPosition = -mvPosition.xyz;",
+
+ THREE.ShaderChunk[ "morphnormal_vertex" ],
+
+ "vNormal = transformedNormal;",
+
+ THREE.ShaderChunk[ "lights_phong_vertex" ],
+ THREE.ShaderChunk[ "skinning_vertex" ],
+ THREE.ShaderChunk[ "morphtarget_vertex" ],
+ THREE.ShaderChunk[ "default_vertex" ],
+ THREE.ShaderChunk[ "shadowmap_vertex" ],
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "uniform vec3 diffuse;",
+ "uniform float opacity;",
+
+ "uniform vec3 ambient;",
+ "uniform vec3 emissive;",
+ "uniform vec3 specular;",
+ "uniform float shininess;",
+
+ THREE.ShaderChunk[ "color_pars_fragment" ],
+ THREE.ShaderChunk[ "map_pars_fragment" ],
+ THREE.ShaderChunk[ "lightmap_pars_fragment" ],
+ THREE.ShaderChunk[ "envmap_pars_fragment" ],
+ THREE.ShaderChunk[ "fog_pars_fragment" ],
+ THREE.ShaderChunk[ "lights_phong_pars_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
+
+ "void main() {",
+
+ "gl_FragColor = vec4( vec3 ( 1.0 ), opacity );",
+
+ THREE.ShaderChunk[ "map_fragment" ],
+ THREE.ShaderChunk[ "alphatest_fragment" ],
+
+ THREE.ShaderChunk[ "lights_phong_fragment" ],
+
+ THREE.ShaderChunk[ "lightmap_fragment" ],
+ THREE.ShaderChunk[ "color_fragment" ],
+ THREE.ShaderChunk[ "envmap_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_fragment" ],
+
+ THREE.ShaderChunk[ "linear_to_gamma_fragment" ],
+
+ THREE.ShaderChunk[ "fog_fragment" ],
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ 'particle_basic': {
+
+ uniforms: THREE.UniformsUtils.merge( [
+
+ THREE.UniformsLib[ "particle" ],
+ THREE.UniformsLib[ "shadowmap" ]
+
+ ] ),
+
+ vertexShader: [
+
+ "uniform float size;",
+ "uniform float scale;",
+
+ THREE.ShaderChunk[ "color_pars_vertex" ],
+ THREE.ShaderChunk[ "shadowmap_pars_vertex" ],
+
+ "void main() {",
+
+ THREE.ShaderChunk[ "color_vertex" ],
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+
+ "#ifdef USE_SIZEATTENUATION",
+ "gl_PointSize = size * ( scale / length( mvPosition.xyz ) );",
+ "#else",
+ "gl_PointSize = size;",
+ "#endif",
+
+ "gl_Position = projectionMatrix * mvPosition;",
+
+ THREE.ShaderChunk[ "shadowmap_vertex" ],
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "uniform vec3 psColor;",
+ "uniform float opacity;",
+
+ THREE.ShaderChunk[ "color_pars_fragment" ],
+ THREE.ShaderChunk[ "map_particle_pars_fragment" ],
+ THREE.ShaderChunk[ "fog_pars_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
+
+ "void main() {",
+
+ "gl_FragColor = vec4( psColor, opacity );",
+
+ THREE.ShaderChunk[ "map_particle_fragment" ],
+ THREE.ShaderChunk[ "alphatest_fragment" ],
+ THREE.ShaderChunk[ "color_fragment" ],
+ THREE.ShaderChunk[ "shadowmap_fragment" ],
+ THREE.ShaderChunk[ "fog_fragment" ],
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ // Depth encoding into RGBA texture
+ // based on SpiderGL shadow map example
+ // http://spidergl.org/example.php?id=6
+ // originally from
+ // http://www.gamedev.net/topic/442138-packing-a-float-into-a-a8r8g8b8-texture-shader/page__whichpage__1%25EF%25BF%25BD
+ // see also here:
+ // http://aras-p.info/blog/2009/07/30/encoding-floats-to-rgba-the-final/
+
+ 'depthRGBA': {
+
+ uniforms: {},
+
+ vertexShader: [
+
+ THREE.ShaderChunk[ "morphtarget_pars_vertex" ],
+
+ "void main() {",
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+
+ THREE.ShaderChunk[ "morphtarget_vertex" ],
+ THREE.ShaderChunk[ "default_vertex" ],
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "vec4 pack_depth( const in float depth ) {",
+
+ "const vec4 bit_shift = vec4( 256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0 );",
+ "const vec4 bit_mask = vec4( 0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0 );",
+ "vec4 res = fract( depth * bit_shift );",
+ "res -= res.xxyz * bit_mask;",
+ "return res;",
+
+ "}",
+
+ "void main() {",
+
+ "gl_FragData[ 0 ] = pack_depth( gl_FragCoord.z );",
+
+ //"gl_FragData[ 0 ] = pack_depth( gl_FragCoord.z / gl_FragCoord.w );",
+ //"float z = ( ( gl_FragCoord.z / gl_FragCoord.w ) - 3.0 ) / ( 4000.0 - 3.0 );",
+ //"gl_FragData[ 0 ] = pack_depth( z );",
+ //"gl_FragData[ 0 ] = vec4( z, z, z, 1.0 );",
+
+ "}"
+
+ ].join("\n")
+
+ }
+
+};/**
+ * @author supereggbert / http://www.paulbrunt.co.uk/
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author szimek / https://github.com/szimek/
+ */
+
+THREE.WebGLRenderer = function ( parameters ) {
+
+ console.log( 'THREE.WebGLRenderer', THREE.REVISION );
+
+ parameters = parameters || {};
+
+ var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElement( 'canvas' ),
+
+ _precision = parameters.precision !== undefined ? parameters.precision : 'highp',
+
+ _alpha = parameters.alpha !== undefined ? parameters.alpha : true,
+ _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,
+ _antialias = parameters.antialias !== undefined ? parameters.antialias : false,
+ _stencil = parameters.stencil !== undefined ? parameters.stencil : true,
+ _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,
+
+ _clearColor = parameters.clearColor !== undefined ? new THREE.Color( parameters.clearColor ) : new THREE.Color( 0x000000 ),
+ _clearAlpha = parameters.clearAlpha !== undefined ? parameters.clearAlpha : 0,
+
+ _maxLights = parameters.maxLights !== undefined ? parameters.maxLights : 4;
+
+ // public properties
+
+ this.domElement = _canvas;
+ this.context = null;
+
+ // clearing
+
+ this.autoClear = true;
+ this.autoClearColor = true;
+ this.autoClearDepth = true;
+ this.autoClearStencil = true;
+
+ // scene graph
+
+ this.sortObjects = true;
+
+ this.autoUpdateObjects = true;
+ this.autoUpdateScene = true;
+
+ // physically based shading
+
+ this.gammaInput = false;
+ this.gammaOutput = false;
+ this.physicallyBasedShading = false;
+
+ // shadow map
+
+ this.shadowMapEnabled = false;
+ this.shadowMapAutoUpdate = true;
+ this.shadowMapSoft = true;
+ this.shadowMapCullFrontFaces = true;
+ this.shadowMapDebug = false;
+ this.shadowMapCascade = false;
+
+ // morphs
+
+ this.maxMorphTargets = 8;
+ this.maxMorphNormals = 4;
+
+ // flags
+
+ this.autoScaleCubemaps = true;
+
+ // custom render plugins
+
+ this.renderPluginsPre = [];
+ this.renderPluginsPost = [];
+
+ // info
+
+ this.info = {
+
+ memory: {
+
+ programs: 0,
+ geometries: 0,
+ textures: 0
+
+ },
+
+ render: {
+
+ calls: 0,
+ vertices: 0,
+ faces: 0,
+ points: 0
+
+ }
+
+ };
+
+ // internal properties
+
+ var _this = this,
+
+ _gl,
+
+ _programs = [],
+
+ // internal state cache
+
+ _currentProgram = null,
+ _currentFramebuffer = null,
+ _currentMaterialId = -1,
+ _currentGeometryGroupHash = null,
+ _currentCamera = null,
+ _geometryGroupCounter = 0,
+
+ // GL state cache
+
+ _oldDoubleSided = -1,
+ _oldFlipSided = -1,
+
+ _oldBlending = -1,
+
+ _oldBlendEquation = -1,
+ _oldBlendSrc = -1,
+ _oldBlendDst = -1,
+
+ _oldDepthTest = -1,
+ _oldDepthWrite = -1,
+
+ _oldPolygonOffset = null,
+ _oldPolygonOffsetFactor = null,
+ _oldPolygonOffsetUnits = null,
+
+ _oldLineWidth = null,
+
+ _viewportX = 0,
+ _viewportY = 0,
+ _viewportWidth = 0,
+ _viewportHeight = 0,
+ _currentWidth = 0,
+ _currentHeight = 0,
+
+ // frustum
+
+ _frustum = new THREE.Frustum(),
+
+ // camera matrices cache
+
+ _projScreenMatrix = new THREE.Matrix4(),
+ _projScreenMatrixPS = new THREE.Matrix4(),
+
+ _vector3 = new THREE.Vector4(),
+
+ // light arrays cache
+
+ _direction = new THREE.Vector3(),
+
+ _lightsNeedUpdate = true,
+
+ _lights = {
+
+ ambient: [ 0, 0, 0 ],
+ directional: { length: 0, colors: new Array(), positions: new Array() },
+ point: { length: 0, colors: new Array(), positions: new Array(), distances: new Array() },
+ spot: { length: 0, colors: new Array(), positions: new Array(), distances: new Array(), directions: new Array(), angles: new Array(), exponents: new Array() }
+
+ };
+
+ // initialize
+
+ _gl = initGL();
+
+ setDefaultGLState();
+
+ this.context = _gl;
+
+ // GPU capabilities
+
+ var _maxVertexTextures = _gl.getParameter( _gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ),
+ _maxTextureSize = _gl.getParameter( _gl.MAX_TEXTURE_SIZE ),
+ _maxCubemapSize = _gl.getParameter( _gl.MAX_CUBE_MAP_TEXTURE_SIZE );
+
+ // API
+
+ this.getContext = function () {
+
+ return _gl;
+
+ };
+
+ this.supportsVertexTextures = function () {
+
+ return _maxVertexTextures > 0;
+
+ };
+
+ this.setSize = function ( width, height ) {
+
+ _canvas.width = width;
+ _canvas.height = height;
+
+ this.setViewport( 0, 0, _canvas.width, _canvas.height );
+
+ };
+
+ this.setViewport = function ( x, y, width, height ) {
+
+ _viewportX = x;
+ _viewportY = y;
+
+ _viewportWidth = width;
+ _viewportHeight = height;
+
+ _gl.viewport( _viewportX, _viewportY, _viewportWidth, _viewportHeight );
+
+ };
+
+ this.setScissor = function ( x, y, width, height ) {
+
+ _gl.scissor( x, y, width, height );
+
+ };
+
+ this.enableScissorTest = function ( enable ) {
+
+ enable ? _gl.enable( _gl.SCISSOR_TEST ) : _gl.disable( _gl.SCISSOR_TEST );
+
+ };
+
+ // Clearing
+
+ this.setClearColorHex = function ( hex, alpha ) {
+
+ _clearColor.setHex( hex );
+ _clearAlpha = alpha;
+
+ _gl.clearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );
+
+ };
+
+ this.setClearColor = function ( color, alpha ) {
+
+ _clearColor.copy( color );
+ _clearAlpha = alpha;
+
+ _gl.clearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );
+
+ };
+
+ this.getClearColor = function () {
+
+ return _clearColor;
+
+ };
+
+ this.getClearAlpha = function () {
+
+ return _clearAlpha;
+
+ };
+
+ this.clear = function ( color, depth, stencil ) {
+
+ var bits = 0;
+
+ if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;
+ if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;
+ if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;
+
+ _gl.clear( bits );
+
+ };
+
+ this.clearTarget = function ( renderTarget, color, depth, stencil ) {
+
+ this.setRenderTarget( renderTarget );
+ this.clear( color, depth, stencil );
+
+ };
+
+ // Plugins
+
+ this.addPostPlugin = function ( plugin ) {
+
+ plugin.init( this );
+ this.renderPluginsPost.push( plugin );
+
+ };
+
+ this.addPrePlugin = function ( plugin ) {
+
+ plugin.init( this );
+ this.renderPluginsPre.push( plugin );
+
+ };
+
+ // Deallocation
+
+ this.deallocateObject = function ( object ) {
+
+ if ( ! object.__webglInit ) return;
+
+ object.__webglInit = false;
+
+ delete object._modelViewMatrix;
+ delete object._normalMatrix;
+
+ delete object._normalMatrixArray;
+ delete object._modelViewMatrixArray;
+ delete object._objectMatrixArray;
+
+ if ( object instanceof THREE.Mesh ) {
+
+ for ( var g in object.geometry.geometryGroups ) {
+
+ deleteMeshBuffers( object.geometry.geometryGroups[ g ] );
+
+ }
+
+ } else if ( object instanceof THREE.Ribbon ) {
+
+ deleteRibbonBuffers( object.geometry );
+
+ } else if ( object instanceof THREE.Line ) {
+
+ deleteLineBuffers( object.geometry );
+
+ } else if ( object instanceof THREE.ParticleSystem ) {
+
+ deleteParticleBuffers( object.geometry );
+
+ }
+
+ };
+
+ this.deallocateTexture = function ( texture ) {
+
+ if ( ! texture.__webglInit ) return;
+
+ texture.__webglInit = false;
+ _gl.deleteTexture( texture.__webglTexture );
+
+ _this.info.memory.textures --;
+
+ };
+
+ this.deallocateRenderTarget = function ( renderTarget ) {
+
+ if ( !renderTarget || ! renderTarget.__webglTexture ) return;
+
+ _gl.deleteTexture( renderTarget.__webglTexture );
+
+ if ( renderTarget instanceof THREE.WebGLRenderTargetCube ) {
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ _gl.deleteFramebuffer( renderTarget.__webglFramebuffer[ i ] );
+ _gl.deleteRenderbuffer( renderTarget.__webglRenderbuffer[ i ] );
+
+ }
+
+ } else {
+
+ _gl.deleteFramebuffer( renderTarget.__webglFramebuffer );
+ _gl.deleteRenderbuffer( renderTarget.__webglRenderbuffer );
+
+ }
+
+ };
+
+ // Rendering
+
+ this.updateShadowMap = function ( scene, camera ) {
+
+ _currentProgram = null;
+ _oldBlending = -1;
+ _oldDepthTest = -1;
+ _oldDepthWrite = -1;
+ _currentGeometryGroupHash = -1;
+ _currentMaterialId = -1;
+ _lightsNeedUpdate = true;
+ _oldDoubleSided = -1;
+ _oldFlipSided = -1;
+
+ this.shadowMapPlugin.update( scene, camera );
+
+ };
+
+ // Internal functions
+
+ // Buffer allocation
+
+ function createParticleBuffers ( geometry ) {
+
+ geometry.__webglVertexBuffer = _gl.createBuffer();
+ geometry.__webglColorBuffer = _gl.createBuffer();
+
+ _this.info.geometries ++;
+
+ };
+
+ function createLineBuffers ( geometry ) {
+
+ geometry.__webglVertexBuffer = _gl.createBuffer();
+ geometry.__webglColorBuffer = _gl.createBuffer();
+
+ _this.info.memory.geometries ++;
+
+ };
+
+ function createRibbonBuffers ( geometry ) {
+
+ geometry.__webglVertexBuffer = _gl.createBuffer();
+ geometry.__webglColorBuffer = _gl.createBuffer();
+
+ _this.info.memory.geometries ++;
+
+ };
+
+ function createMeshBuffers ( geometryGroup ) {
+
+ geometryGroup.__webglVertexBuffer = _gl.createBuffer();
+ geometryGroup.__webglNormalBuffer = _gl.createBuffer();
+ geometryGroup.__webglTangentBuffer = _gl.createBuffer();
+ geometryGroup.__webglColorBuffer = _gl.createBuffer();
+ geometryGroup.__webglUVBuffer = _gl.createBuffer();
+ geometryGroup.__webglUV2Buffer = _gl.createBuffer();
+
+ geometryGroup.__webglSkinVertexABuffer = _gl.createBuffer();
+ geometryGroup.__webglSkinVertexBBuffer = _gl.createBuffer();
+ geometryGroup.__webglSkinIndicesBuffer = _gl.createBuffer();
+ geometryGroup.__webglSkinWeightsBuffer = _gl.createBuffer();
+
+ geometryGroup.__webglFaceBuffer = _gl.createBuffer();
+ geometryGroup.__webglLineBuffer = _gl.createBuffer();
+
+ var m, ml;
+
+ if ( geometryGroup.numMorphTargets ) {
+
+ geometryGroup.__webglMorphTargetsBuffers = [];
+
+ for ( m = 0, ml = geometryGroup.numMorphTargets; m < ml; m ++ ) {
+
+ geometryGroup.__webglMorphTargetsBuffers.push( _gl.createBuffer() );
+
+ }
+
+ }
+
+ if ( geometryGroup.numMorphNormals ) {
+
+ geometryGroup.__webglMorphNormalsBuffers = [];
+
+ for ( m = 0, ml = geometryGroup.numMorphNormals; m < ml; m ++ ) {
+
+ geometryGroup.__webglMorphNormalsBuffers.push( _gl.createBuffer() );
+
+ }
+
+ }
+
+ _this.info.memory.geometries ++;
+
+ };
+
+ // Buffer deallocation
+
+ function deleteParticleBuffers ( geometry ) {
+
+ _gl.deleteBuffer( geometry.__webglVertexBuffer );
+ _gl.deleteBuffer( geometry.__webglColorBuffer );
+
+ _this.info.memory.geometries --;
+
+ };
+
+ function deleteLineBuffers ( geometry ) {
+
+ _gl.deleteBuffer( geometry.__webglVertexBuffer );
+ _gl.deleteBuffer( geometry.__webglColorBuffer );
+
+ _this.info.memory.geometries --;
+
+ };
+
+ function deleteRibbonBuffers ( geometry ) {
+
+ _gl.deleteBuffer( geometry.__webglVertexBuffer );
+ _gl.deleteBuffer( geometry.__webglColorBuffer );
+
+ _this.info.memory.geometries --;
+
+ };
+
+ function deleteMeshBuffers ( geometryGroup ) {
+
+ _gl.deleteBuffer( geometryGroup.__webglVertexBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglNormalBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglTangentBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglColorBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglUVBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglUV2Buffer );
+
+ _gl.deleteBuffer( geometryGroup.__webglSkinVertexABuffer );
+ _gl.deleteBuffer( geometryGroup.__webglSkinVertexBBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglSkinIndicesBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglSkinWeightsBuffer );
+
+ _gl.deleteBuffer( geometryGroup.__webglFaceBuffer );
+ _gl.deleteBuffer( geometryGroup.__webglLineBuffer );
+
+ var m, ml;
+
+ if ( geometryGroup.numMorphTargets ) {
+
+ for ( m = 0, ml = geometryGroup.numMorphTargets; m < ml; m ++ ) {
+
+ _gl.deleteBuffer( geometryGroup.__webglMorphTargetsBuffers[ m ] );
+
+ }
+
+ }
+
+ if ( geometryGroup.numMorphNormals ) {
+
+ for ( m = 0, ml = geometryGroup.numMorphNormals; m < ml; m ++ ) {
+
+ _gl.deleteBuffer( geometryGroup.__webglMorphNormalsBuffers[ m ] );
+
+ }
+
+ }
+
+
+ if ( geometryGroup.__webglCustomAttributesList ) {
+
+ for ( var id in geometryGroup.__webglCustomAttributesList ) {
+
+ _gl.deleteBuffer( geometryGroup.__webglCustomAttributesList[ id ].buffer );
+
+ }
+
+ }
+
+ _this.info.memory.geometries --;
+
+ };
+
+ // Buffer initialization
+
+ function initCustomAttributes ( geometry, object ) {
+
+ var nvertices = geometry.vertices.length;
+
+ var material = object.material;
+
+ if ( material.attributes ) {
+
+ if ( geometry.__webglCustomAttributesList === undefined ) {
+
+ geometry.__webglCustomAttributesList = [];
+
+ }
+
+ for ( var a in material.attributes ) {
+
+ var attribute = material.attributes[ a ];
+
+ if( !attribute.__webglInitialized || attribute.createUniqueBuffers ) {
+
+ attribute.__webglInitialized = true;
+
+ var size = 1; // "f" and "i"
+
+ if ( attribute.type === "v2" ) size = 2;
+ else if ( attribute.type === "v3" ) size = 3;
+ else if ( attribute.type === "v4" ) size = 4;
+ else if ( attribute.type === "c" ) size = 3;
+
+ attribute.size = size;
+
+ attribute.array = new Float32Array( nvertices * size );
+
+ attribute.buffer = _gl.createBuffer();
+ attribute.buffer.belongsToAttribute = a;
+
+ attribute.needsUpdate = true;
+
+ }
+
+ geometry.__webglCustomAttributesList.push( attribute );
+
+ }
+
+ }
+
+ };
+
+ function initParticleBuffers ( geometry, object ) {
+
+ var nvertices = geometry.vertices.length;
+
+ geometry.__vertexArray = new Float32Array( nvertices * 3 );
+ geometry.__colorArray = new Float32Array( nvertices * 3 );
+
+ geometry.__sortArray = [];
+
+ geometry.__webglParticleCount = nvertices;
+
+ initCustomAttributes ( geometry, object );
+
+ };
+
+ function initLineBuffers ( geometry, object ) {
+
+ var nvertices = geometry.vertices.length;
+
+ geometry.__vertexArray = new Float32Array( nvertices * 3 );
+ geometry.__colorArray = new Float32Array( nvertices * 3 );
+
+ geometry.__webglLineCount = nvertices;
+
+ initCustomAttributes ( geometry, object );
+
+ };
+
+ function initRibbonBuffers ( geometry ) {
+
+ var nvertices = geometry.vertices.length;
+
+ geometry.__vertexArray = new Float32Array( nvertices * 3 );
+ geometry.__colorArray = new Float32Array( nvertices * 3 );
+
+ geometry.__webglVertexCount = nvertices;
+
+ };
+
+ function initMeshBuffers ( geometryGroup, object ) {
+
+ var geometry = object.geometry,
+ faces3 = geometryGroup.faces3,
+ faces4 = geometryGroup.faces4,
+
+ nvertices = faces3.length * 3 + faces4.length * 4,
+ ntris = faces3.length * 1 + faces4.length * 2,
+ nlines = faces3.length * 3 + faces4.length * 4,
+
+ material = getBufferMaterial( object, geometryGroup ),
+
+ uvType = bufferGuessUVType( material ),
+ normalType = bufferGuessNormalType( material ),
+ vertexColorType = bufferGuessVertexColorType( material );
+
+ //console.log( "uvType", uvType, "normalType", normalType, "vertexColorType", vertexColorType, object, geometryGroup, material );
+
+ geometryGroup.__vertexArray = new Float32Array( nvertices * 3 );
+
+ if ( normalType ) {
+
+ geometryGroup.__normalArray = new Float32Array( nvertices * 3 );
+
+ }
+
+ if ( geometry.hasTangents ) {
+
+ geometryGroup.__tangentArray = new Float32Array( nvertices * 4 );
+
+ }
+
+ if ( vertexColorType ) {
+
+ geometryGroup.__colorArray = new Float32Array( nvertices * 3 );
+
+ }
+
+ if ( uvType ) {
+
+ if ( geometry.faceUvs.length > 0 || geometry.faceVertexUvs.length > 0 ) {
+
+ geometryGroup.__uvArray = new Float32Array( nvertices * 2 );
+
+ }
+
+ if ( geometry.faceUvs.length > 1 || geometry.faceVertexUvs.length > 1 ) {
+
+ geometryGroup.__uv2Array = new Float32Array( nvertices * 2 );
+
+ }
+
+ }
+
+ if ( object.geometry.skinWeights.length && object.geometry.skinIndices.length ) {
+
+ geometryGroup.__skinVertexAArray = new Float32Array( nvertices * 4 );
+ geometryGroup.__skinVertexBArray = new Float32Array( nvertices * 4 );
+ geometryGroup.__skinIndexArray = new Float32Array( nvertices * 4 );
+ geometryGroup.__skinWeightArray = new Float32Array( nvertices * 4 );
+
+ }
+
+ geometryGroup.__faceArray = new Uint16Array( ntris * 3 );
+ geometryGroup.__lineArray = new Uint16Array( nlines * 2 );
+
+ var m, ml;
+
+ if ( geometryGroup.numMorphTargets ) {
+
+ geometryGroup.__morphTargetsArrays = [];
+
+ for ( m = 0, ml = geometryGroup.numMorphTargets; m < ml; m ++ ) {
+
+ geometryGroup.__morphTargetsArrays.push( new Float32Array( nvertices * 3 ) );
+
+ }
+
+ }
+
+ if ( geometryGroup.numMorphNormals ) {
+
+ geometryGroup.__morphNormalsArrays = [];
+
+ for ( m = 0, ml = geometryGroup.numMorphNormals; m < ml; m ++ ) {
+
+ geometryGroup.__morphNormalsArrays.push( new Float32Array( nvertices * 3 ) );
+
+ }
+
+ }
+
+ geometryGroup.__webglFaceCount = ntris * 3;
+ geometryGroup.__webglLineCount = nlines * 2;
+
+
+ // custom attributes
+
+ if ( material.attributes ) {
+
+ if ( geometryGroup.__webglCustomAttributesList === undefined ) {
+
+ geometryGroup.__webglCustomAttributesList = [];
+
+ }
+
+ for ( var a in material.attributes ) {
+
+ // Do a shallow copy of the attribute object so different geometryGroup chunks use different
+ // attribute buffers which are correctly indexed in the setMeshBuffers function
+
+ var originalAttribute = material.attributes[ a ];
+
+ var attribute = {};
+
+ for ( var property in originalAttribute ) {
+
+ attribute[ property ] = originalAttribute[ property ];
+
+ }
+
+ if( !attribute.__webglInitialized || attribute.createUniqueBuffers ) {
+
+ attribute.__webglInitialized = true;
+
+ var size = 1; // "f" and "i"
+
+ if( attribute.type === "v2" ) size = 2;
+ else if( attribute.type === "v3" ) size = 3;
+ else if( attribute.type === "v4" ) size = 4;
+ else if( attribute.type === "c" ) size = 3;
+
+ attribute.size = size;
+
+ attribute.array = new Float32Array( nvertices * size );
+
+ attribute.buffer = _gl.createBuffer();
+ attribute.buffer.belongsToAttribute = a;
+
+ originalAttribute.needsUpdate = true;
+ attribute.__original = originalAttribute;
+
+ }
+
+ geometryGroup.__webglCustomAttributesList.push( attribute );
+
+ }
+
+ }
+
+ geometryGroup.__inittedArrays = true;
+
+ };
+
+ function getBufferMaterial( object, geometryGroup ) {
+
+ if ( object.material && ! ( object.material instanceof THREE.MeshFaceMaterial ) ) {
+
+ return object.material;
+
+ } else if ( geometryGroup.materialIndex >= 0 ) {
+
+ return object.geometry.materials[ geometryGroup.materialIndex ];
+
+ }
+
+ };
+
+ function materialNeedsSmoothNormals ( material ) {
+
+ return material && material.shading !== undefined && material.shading === THREE.SmoothShading;
+
+ };
+
+ function bufferGuessNormalType ( material ) {
+
+ // only MeshBasicMaterial and MeshDepthMaterial don't need normals
+
+ if ( ( material instanceof THREE.MeshBasicMaterial && !material.envMap ) || material instanceof THREE.MeshDepthMaterial ) {
+
+ return false;
+
+ }
+
+ if ( materialNeedsSmoothNormals( material ) ) {
+
+ return THREE.SmoothShading;
+
+ } else {
+
+ return THREE.FlatShading;
+
+ }
+
+ };
+
+ function bufferGuessVertexColorType ( material ) {
+
+ if ( material.vertexColors ) {
+
+ return material.vertexColors;
+
+ }
+
+ return false;
+
+ };
+
+ function bufferGuessUVType ( material ) {
+
+ // material must use some texture to require uvs
+
+ if ( material.map || material.lightMap || material instanceof THREE.ShaderMaterial ) {
+
+ return true;
+
+ }
+
+ return false;
+
+ };
+
+ // Buffer setting
+
+ function setParticleBuffers ( geometry, hint, object ) {
+
+ var v, c, vertex, offset, index, color,
+
+ vertices = geometry.vertices,
+ vl = vertices.length,
+
+ colors = geometry.colors,
+ cl = colors.length,
+
+ vertexArray = geometry.__vertexArray,
+ colorArray = geometry.__colorArray,
+
+ sortArray = geometry.__sortArray,
+
+ dirtyVertices = geometry.verticesNeedUpdate,
+ dirtyElements = geometry.elementsNeedUpdate,
+ dirtyColors = geometry.colorsNeedUpdate,
+
+ customAttributes = geometry.__webglCustomAttributesList,
+ i, il,
+ a, ca, cal, value,
+ customAttribute;
+
+ if ( object.sortParticles ) {
+
+ _projScreenMatrixPS.copy( _projScreenMatrix );
+ _projScreenMatrixPS.multiplySelf( object.matrixWorld );
+
+ for ( v = 0; v < vl; v ++ ) {
+
+ vertex = vertices[ v ];
+
+ _vector3.copy( vertex );
+ _projScreenMatrixPS.multiplyVector3( _vector3 );
+
+ sortArray[ v ] = [ _vector3.z, v ];
+
+ }
+
+ sortArray.sort( function( a, b ) { return b[ 0 ] - a[ 0 ]; } );
+
+ for ( v = 0; v < vl; v ++ ) {
+
+ vertex = vertices[ sortArray[v][1] ];
+
+ offset = v * 3;
+
+ vertexArray[ offset ] = vertex.x;
+ vertexArray[ offset + 1 ] = vertex.y;
+ vertexArray[ offset + 2 ] = vertex.z;
+
+ }
+
+ for ( c = 0; c < cl; c ++ ) {
+
+ offset = c * 3;
+
+ color = colors[ sortArray[c][1] ];
+
+ colorArray[ offset ] = color.r;
+ colorArray[ offset + 1 ] = color.g;
+ colorArray[ offset + 2 ] = color.b;
+
+ }
+
+ if ( customAttributes ) {
+
+ for ( i = 0, il = customAttributes.length; i < il; i ++ ) {
+
+ customAttribute = customAttributes[ i ];
+
+ if ( ! ( customAttribute.boundTo === undefined || customAttribute.boundTo === "vertices" ) ) continue;
+
+ offset = 0;
+
+ cal = customAttribute.value.length;
+
+ if ( customAttribute.size === 1 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ index = sortArray[ ca ][ 1 ];
+
+ customAttribute.array[ ca ] = customAttribute.value[ index ];
+
+ }
+
+ } else if ( customAttribute.size === 2 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ index = sortArray[ ca ][ 1 ];
+
+ value = customAttribute.value[ index ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+
+ offset += 2;
+
+ }
+
+ } else if ( customAttribute.size === 3 ) {
+
+ if ( customAttribute.type === "c" ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ index = sortArray[ ca ][ 1 ];
+
+ value = customAttribute.value[ index ];
+
+ customAttribute.array[ offset ] = value.r;
+ customAttribute.array[ offset + 1 ] = value.g;
+ customAttribute.array[ offset + 2 ] = value.b;
+
+ offset += 3;
+
+ }
+
+ } else {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ index = sortArray[ ca ][ 1 ];
+
+ value = customAttribute.value[ index ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+ customAttribute.array[ offset + 2 ] = value.z;
+
+ offset += 3;
+
+ }
+
+ }
+
+ } else if ( customAttribute.size === 4 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ index = sortArray[ ca ][ 1 ];
+
+ value = customAttribute.value[ index ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+ customAttribute.array[ offset + 2 ] = value.z;
+ customAttribute.array[ offset + 3 ] = value.w;
+
+ offset += 4;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ } else {
+
+ if ( dirtyVertices ) {
+
+ for ( v = 0; v < vl; v ++ ) {
+
+ vertex = vertices[ v ];
+
+ offset = v * 3;
+
+ vertexArray[ offset ] = vertex.x;
+ vertexArray[ offset + 1 ] = vertex.y;
+ vertexArray[ offset + 2 ] = vertex.z;
+
+ }
+
+ }
+
+ if ( dirtyColors ) {
+
+ for ( c = 0; c < cl; c ++ ) {
+
+ color = colors[ c ];
+
+ offset = c * 3;
+
+ colorArray[ offset ] = color.r;
+ colorArray[ offset + 1 ] = color.g;
+ colorArray[ offset + 2 ] = color.b;
+
+ }
+
+ }
+
+ if ( customAttributes ) {
+
+ for ( i = 0, il = customAttributes.length; i < il; i ++ ) {
+
+ customAttribute = customAttributes[ i ];
+
+ if ( customAttribute.needsUpdate &&
+ ( customAttribute.boundTo === undefined ||
+ customAttribute.boundTo === "vertices") ) {
+
+ cal = customAttribute.value.length;
+
+ offset = 0;
+
+ if ( customAttribute.size === 1 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ customAttribute.array[ ca ] = customAttribute.value[ ca ];
+
+ }
+
+ } else if ( customAttribute.size === 2 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+
+ offset += 2;
+
+ }
+
+ } else if ( customAttribute.size === 3 ) {
+
+ if ( customAttribute.type === "c" ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.r;
+ customAttribute.array[ offset + 1 ] = value.g;
+ customAttribute.array[ offset + 2 ] = value.b;
+
+ offset += 3;
+
+ }
+
+ } else {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+ customAttribute.array[ offset + 2 ] = value.z;
+
+ offset += 3;
+
+ }
+
+ }
+
+ } else if ( customAttribute.size === 4 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+ customAttribute.array[ offset + 2 ] = value.z;
+ customAttribute.array[ offset + 3 ] = value.w;
+
+ offset += 4;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+
+ if ( dirtyVertices || object.sortParticles ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometry.__webglVertexBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, vertexArray, hint );
+
+ }
+
+ if ( dirtyColors || object.sortParticles ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometry.__webglColorBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, colorArray, hint );
+
+ }
+
+ if ( customAttributes ) {
+
+ for ( i = 0, il = customAttributes.length; i < il; i ++ ) {
+
+ customAttribute = customAttributes[ i ];
+
+ if ( customAttribute.needsUpdate || object.sortParticles ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, customAttribute.buffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, customAttribute.array, hint );
+
+ }
+
+ }
+
+ }
+
+
+ };
+
+ function setLineBuffers ( geometry, hint ) {
+
+ var v, c, vertex, offset, color,
+
+ vertices = geometry.vertices,
+ colors = geometry.colors,
+ vl = vertices.length,
+ cl = colors.length,
+
+ vertexArray = geometry.__vertexArray,
+ colorArray = geometry.__colorArray,
+
+ dirtyVertices = geometry.verticesNeedUpdate,
+ dirtyColors = geometry.colorsNeedUpdate,
+
+ customAttributes = geometry.__webglCustomAttributesList,
+
+ i, il,
+ a, ca, cal, value,
+ customAttribute;
+
+ if ( dirtyVertices ) {
+
+ for ( v = 0; v < vl; v ++ ) {
+
+ vertex = vertices[ v ];
+
+ offset = v * 3;
+
+ vertexArray[ offset ] = vertex.x;
+ vertexArray[ offset + 1 ] = vertex.y;
+ vertexArray[ offset + 2 ] = vertex.z;
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometry.__webglVertexBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, vertexArray, hint );
+
+ }
+
+ if ( dirtyColors ) {
+
+ for ( c = 0; c < cl; c ++ ) {
+
+ color = colors[ c ];
+
+ offset = c * 3;
+
+ colorArray[ offset ] = color.r;
+ colorArray[ offset + 1 ] = color.g;
+ colorArray[ offset + 2 ] = color.b;
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometry.__webglColorBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, colorArray, hint );
+
+ }
+
+ if ( customAttributes ) {
+
+ for ( i = 0, il = customAttributes.length; i < il; i ++ ) {
+
+ customAttribute = customAttributes[ i ];
+
+ if ( customAttribute.needsUpdate &&
+ ( customAttribute.boundTo === undefined ||
+ customAttribute.boundTo === "vertices" ) ) {
+
+ offset = 0;
+
+ cal = customAttribute.value.length;
+
+ if ( customAttribute.size === 1 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ customAttribute.array[ ca ] = customAttribute.value[ ca ];
+
+ }
+
+ } else if ( customAttribute.size === 2 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+
+ offset += 2;
+
+ }
+
+ } else if ( customAttribute.size === 3 ) {
+
+ if ( customAttribute.type === "c" ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.r;
+ customAttribute.array[ offset + 1 ] = value.g;
+ customAttribute.array[ offset + 2 ] = value.b;
+
+ offset += 3;
+
+ }
+
+ } else {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+ customAttribute.array[ offset + 2 ] = value.z;
+
+ offset += 3;
+
+ }
+
+ }
+
+ } else if ( customAttribute.size === 4 ) {
+
+ for ( ca = 0; ca < cal; ca ++ ) {
+
+ value = customAttribute.value[ ca ];
+
+ customAttribute.array[ offset ] = value.x;
+ customAttribute.array[ offset + 1 ] = value.y;
+ customAttribute.array[ offset + 2 ] = value.z;
+ customAttribute.array[ offset + 3 ] = value.w;
+
+ offset += 4;
+
+ }
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, customAttribute.buffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, customAttribute.array, hint );
+
+ }
+
+ }
+
+ }
+
+ };
+
+ function setRibbonBuffers ( geometry, hint ) {
+
+ var v, c, vertex, offset, color,
+
+ vertices = geometry.vertices,
+ colors = geometry.colors,
+ vl = vertices.length,
+ cl = colors.length,
+
+ vertexArray = geometry.__vertexArray,
+ colorArray = geometry.__colorArray,
+
+ dirtyVertices = geometry.verticesNeedUpdate,
+ dirtyColors = geometry.colorsNeedUpdate;
+
+ if ( dirtyVertices ) {
+
+ for ( v = 0; v < vl; v ++ ) {
+
+ vertex = vertices[ v ];
+
+ offset = v * 3;
+
+ vertexArray[ offset ] = vertex.x;
+ vertexArray[ offset + 1 ] = vertex.y;
+ vertexArray[ offset + 2 ] = vertex.z;
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometry.__webglVertexBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, vertexArray, hint );
+
+ }
+
+ if ( dirtyColors ) {
+
+ for ( c = 0; c < cl; c ++ ) {
+
+ color = colors[ c ];
+
+ offset = c * 3;
+
+ colorArray[ offset ] = color.r;
+ colorArray[ offset + 1 ] = color.g;
+ colorArray[ offset + 2 ] = color.b;
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometry.__webglColorBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, colorArray, hint );
+
+ }
+
+ };
+
+ function setMeshBuffers( geometryGroup, object, hint, dispose, material ) {
+
+ if ( ! geometryGroup.__inittedArrays ) {
+
+ // console.log( object );
+ return;
+
+ }
+
+ var normalType = bufferGuessNormalType( material ),
+ vertexColorType = bufferGuessVertexColorType( material ),
+ uvType = bufferGuessUVType( material ),
+
+ needsSmoothNormals = ( normalType === THREE.SmoothShading );
+
+ var f, fl, fi, face,
+ vertexNormals, faceNormal, normal,
+ vertexColors, faceColor,
+ vertexTangents,
+ uv, uv2, v1, v2, v3, v4, t1, t2, t3, t4, n1, n2, n3, n4,
+ c1, c2, c3, c4,
+ sw1, sw2, sw3, sw4,
+ si1, si2, si3, si4,
+ sa1, sa2, sa3, sa4,
+ sb1, sb2, sb3, sb4,
+ m, ml, i, il,
+ vn, uvi, uv2i,
+ vk, vkl, vka,
+ nka, chf, faceVertexNormals,
+ a,
+
+ vertexIndex = 0,
+
+ offset = 0,
+ offset_uv = 0,
+ offset_uv2 = 0,
+ offset_face = 0,
+ offset_normal = 0,
+ offset_tangent = 0,
+ offset_line = 0,
+ offset_color = 0,
+ offset_skin = 0,
+ offset_morphTarget = 0,
+ offset_custom = 0,
+ offset_customSrc = 0,
+
+ value,
+
+ vertexArray = geometryGroup.__vertexArray,
+ uvArray = geometryGroup.__uvArray,
+ uv2Array = geometryGroup.__uv2Array,
+ normalArray = geometryGroup.__normalArray,
+ tangentArray = geometryGroup.__tangentArray,
+ colorArray = geometryGroup.__colorArray,
+
+ skinVertexAArray = geometryGroup.__skinVertexAArray,
+ skinVertexBArray = geometryGroup.__skinVertexBArray,
+ skinIndexArray = geometryGroup.__skinIndexArray,
+ skinWeightArray = geometryGroup.__skinWeightArray,
+
+ morphTargetsArrays = geometryGroup.__morphTargetsArrays,
+ morphNormalsArrays = geometryGroup.__morphNormalsArrays,
+
+ customAttributes = geometryGroup.__webglCustomAttributesList,
+ customAttribute,
+
+ faceArray = geometryGroup.__faceArray,
+ lineArray = geometryGroup.__lineArray,
+
+ geometry = object.geometry, // this is shared for all chunks
+
+ dirtyVertices = geometry.verticesNeedUpdate,
+ dirtyElements = geometry.elementsNeedUpdate,
+ dirtyUvs = geometry.uvsNeedUpdate,
+ dirtyNormals = geometry.normalsNeedUpdate,
+ dirtyTangents = geometry.tangetsNeedUpdate,
+ dirtyColors = geometry.colorsNeedUpdate,
+ dirtyMorphTargets = geometry.morphTargetsNeedUpdate,
+
+ vertices = geometry.vertices,
+ chunk_faces3 = geometryGroup.faces3,
+ chunk_faces4 = geometryGroup.faces4,
+ obj_faces = geometry.faces,
+
+ obj_uvs = geometry.faceVertexUvs[ 0 ],
+ obj_uvs2 = geometry.faceVertexUvs[ 1 ],
+
+ obj_colors = geometry.colors,
+
+ obj_skinVerticesA = geometry.skinVerticesA,
+ obj_skinVerticesB = geometry.skinVerticesB,
+ obj_skinIndices = geometry.skinIndices,
+ obj_skinWeights = geometry.skinWeights,
+
+ morphTargets = geometry.morphTargets,
+ morphNormals = geometry.morphNormals;
+
+ if ( dirtyVertices ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ v1 = vertices[ face.a ];
+ v2 = vertices[ face.b ];
+ v3 = vertices[ face.c ];
+
+ vertexArray[ offset ] = v1.x;
+ vertexArray[ offset + 1 ] = v1.y;
+ vertexArray[ offset + 2 ] = v1.z;
+
+ vertexArray[ offset + 3 ] = v2.x;
+ vertexArray[ offset + 4 ] = v2.y;
+ vertexArray[ offset + 5 ] = v2.z;
+
+ vertexArray[ offset + 6 ] = v3.x;
+ vertexArray[ offset + 7 ] = v3.y;
+ vertexArray[ offset + 8 ] = v3.z;
+
+ offset += 9;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ v1 = vertices[ face.a ];
+ v2 = vertices[ face.b ];
+ v3 = vertices[ face.c ];
+ v4 = vertices[ face.d ];
+
+ vertexArray[ offset ] = v1.x;
+ vertexArray[ offset + 1 ] = v1.y;
+ vertexArray[ offset + 2 ] = v1.z;
+
+ vertexArray[ offset + 3 ] = v2.x;
+ vertexArray[ offset + 4 ] = v2.y;
+ vertexArray[ offset + 5 ] = v2.z;
+
+ vertexArray[ offset + 6 ] = v3.x;
+ vertexArray[ offset + 7 ] = v3.y;
+ vertexArray[ offset + 8 ] = v3.z;
+
+ vertexArray[ offset + 9 ] = v4.x;
+ vertexArray[ offset + 10 ] = v4.y;
+ vertexArray[ offset + 11 ] = v4.z;
+
+ offset += 12;
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglVertexBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, vertexArray, hint );
+
+ }
+
+ if ( dirtyMorphTargets ) {
+
+ for ( vk = 0, vkl = morphTargets.length; vk < vkl; vk ++ ) {
+
+ offset_morphTarget = 0;
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ chf = chunk_faces3[ f ];
+ face = obj_faces[ chf ];
+
+ // morph positions
+
+ v1 = morphTargets[ vk ].vertices[ face.a ];
+ v2 = morphTargets[ vk ].vertices[ face.b ];
+ v3 = morphTargets[ vk ].vertices[ face.c ];
+
+ vka = morphTargetsArrays[ vk ];
+
+ vka[ offset_morphTarget ] = v1.x;
+ vka[ offset_morphTarget + 1 ] = v1.y;
+ vka[ offset_morphTarget + 2 ] = v1.z;
+
+ vka[ offset_morphTarget + 3 ] = v2.x;
+ vka[ offset_morphTarget + 4 ] = v2.y;
+ vka[ offset_morphTarget + 5 ] = v2.z;
+
+ vka[ offset_morphTarget + 6 ] = v3.x;
+ vka[ offset_morphTarget + 7 ] = v3.y;
+ vka[ offset_morphTarget + 8 ] = v3.z;
+
+ // morph normals
+
+ if ( material.morphNormals ) {
+
+ if ( needsSmoothNormals ) {
+
+ faceVertexNormals = morphNormals[ vk ].vertexNormals[ chf ];
+
+ n1 = faceVertexNormals.a;
+ n2 = faceVertexNormals.b;
+ n3 = faceVertexNormals.c;
+
+ } else {
+
+ n1 = morphNormals[ vk ].faceNormals[ chf ];
+ n2 = n1;
+ n3 = n1;
+
+ }
+
+ nka = morphNormalsArrays[ vk ];
+
+ nka[ offset_morphTarget ] = n1.x;
+ nka[ offset_morphTarget + 1 ] = n1.y;
+ nka[ offset_morphTarget + 2 ] = n1.z;
+
+ nka[ offset_morphTarget + 3 ] = n2.x;
+ nka[ offset_morphTarget + 4 ] = n2.y;
+ nka[ offset_morphTarget + 5 ] = n2.z;
+
+ nka[ offset_morphTarget + 6 ] = n3.x;
+ nka[ offset_morphTarget + 7 ] = n3.y;
+ nka[ offset_morphTarget + 8 ] = n3.z;
+
+ }
+
+ //
+
+ offset_morphTarget += 9;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ chf = chunk_faces4[ f ];
+ face = obj_faces[ chf ];
+
+ // morph positions
+
+ v1 = morphTargets[ vk ].vertices[ face.a ];
+ v2 = morphTargets[ vk ].vertices[ face.b ];
+ v3 = morphTargets[ vk ].vertices[ face.c ];
+ v4 = morphTargets[ vk ].vertices[ face.d ];
+
+ vka = morphTargetsArrays[ vk ];
+
+ vka[ offset_morphTarget ] = v1.x;
+ vka[ offset_morphTarget + 1 ] = v1.y;
+ vka[ offset_morphTarget + 2 ] = v1.z;
+
+ vka[ offset_morphTarget + 3 ] = v2.x;
+ vka[ offset_morphTarget + 4 ] = v2.y;
+ vka[ offset_morphTarget + 5 ] = v2.z;
+
+ vka[ offset_morphTarget + 6 ] = v3.x;
+ vka[ offset_morphTarget + 7 ] = v3.y;
+ vka[ offset_morphTarget + 8 ] = v3.z;
+
+ vka[ offset_morphTarget + 9 ] = v4.x;
+ vka[ offset_morphTarget + 10 ] = v4.y;
+ vka[ offset_morphTarget + 11 ] = v4.z;
+
+ // morph normals
+
+ if ( material.morphNormals ) {
+
+ if ( needsSmoothNormals ) {
+
+ faceVertexNormals = morphNormals[ vk ].vertexNormals[ chf ];
+
+ n1 = faceVertexNormals.a;
+ n2 = faceVertexNormals.b;
+ n3 = faceVertexNormals.c;
+ n4 = faceVertexNormals.d;
+
+ } else {
+
+ n1 = morphNormals[ vk ].faceNormals[ chf ];
+ n2 = n1;
+ n3 = n1;
+ n4 = n1;
+
+ }
+
+ nka = morphNormalsArrays[ vk ];
+
+ nka[ offset_morphTarget ] = n1.x;
+ nka[ offset_morphTarget + 1 ] = n1.y;
+ nka[ offset_morphTarget + 2 ] = n1.z;
+
+ nka[ offset_morphTarget + 3 ] = n2.x;
+ nka[ offset_morphTarget + 4 ] = n2.y;
+ nka[ offset_morphTarget + 5 ] = n2.z;
+
+ nka[ offset_morphTarget + 6 ] = n3.x;
+ nka[ offset_morphTarget + 7 ] = n3.y;
+ nka[ offset_morphTarget + 8 ] = n3.z;
+
+ nka[ offset_morphTarget + 9 ] = n4.x;
+ nka[ offset_morphTarget + 10 ] = n4.y;
+ nka[ offset_morphTarget + 11 ] = n4.z;
+
+ }
+
+ //
+
+ offset_morphTarget += 12;
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglMorphTargetsBuffers[ vk ] );
+ _gl.bufferData( _gl.ARRAY_BUFFER, morphTargetsArrays[ vk ], hint );
+
+ if ( material.morphNormals ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglMorphNormalsBuffers[ vk ] );
+ _gl.bufferData( _gl.ARRAY_BUFFER, morphNormalsArrays[ vk ], hint );
+
+ }
+
+ }
+
+ }
+
+ if ( obj_skinWeights.length ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ // weights
+
+ sw1 = obj_skinWeights[ face.a ];
+ sw2 = obj_skinWeights[ face.b ];
+ sw3 = obj_skinWeights[ face.c ];
+
+ skinWeightArray[ offset_skin ] = sw1.x;
+ skinWeightArray[ offset_skin + 1 ] = sw1.y;
+ skinWeightArray[ offset_skin + 2 ] = sw1.z;
+ skinWeightArray[ offset_skin + 3 ] = sw1.w;
+
+ skinWeightArray[ offset_skin + 4 ] = sw2.x;
+ skinWeightArray[ offset_skin + 5 ] = sw2.y;
+ skinWeightArray[ offset_skin + 6 ] = sw2.z;
+ skinWeightArray[ offset_skin + 7 ] = sw2.w;
+
+ skinWeightArray[ offset_skin + 8 ] = sw3.x;
+ skinWeightArray[ offset_skin + 9 ] = sw3.y;
+ skinWeightArray[ offset_skin + 10 ] = sw3.z;
+ skinWeightArray[ offset_skin + 11 ] = sw3.w;
+
+ // indices
+
+ si1 = obj_skinIndices[ face.a ];
+ si2 = obj_skinIndices[ face.b ];
+ si3 = obj_skinIndices[ face.c ];
+
+ skinIndexArray[ offset_skin ] = si1.x;
+ skinIndexArray[ offset_skin + 1 ] = si1.y;
+ skinIndexArray[ offset_skin + 2 ] = si1.z;
+ skinIndexArray[ offset_skin + 3 ] = si1.w;
+
+ skinIndexArray[ offset_skin + 4 ] = si2.x;
+ skinIndexArray[ offset_skin + 5 ] = si2.y;
+ skinIndexArray[ offset_skin + 6 ] = si2.z;
+ skinIndexArray[ offset_skin + 7 ] = si2.w;
+
+ skinIndexArray[ offset_skin + 8 ] = si3.x;
+ skinIndexArray[ offset_skin + 9 ] = si3.y;
+ skinIndexArray[ offset_skin + 10 ] = si3.z;
+ skinIndexArray[ offset_skin + 11 ] = si3.w;
+
+ // vertices A
+
+ sa1 = obj_skinVerticesA[ face.a ];
+ sa2 = obj_skinVerticesA[ face.b ];
+ sa3 = obj_skinVerticesA[ face.c ];
+
+ skinVertexAArray[ offset_skin ] = sa1.x;
+ skinVertexAArray[ offset_skin + 1 ] = sa1.y;
+ skinVertexAArray[ offset_skin + 2 ] = sa1.z;
+ skinVertexAArray[ offset_skin + 3 ] = 1; // pad for faster vertex shader
+
+ skinVertexAArray[ offset_skin + 4 ] = sa2.x;
+ skinVertexAArray[ offset_skin + 5 ] = sa2.y;
+ skinVertexAArray[ offset_skin + 6 ] = sa2.z;
+ skinVertexAArray[ offset_skin + 7 ] = 1;
+
+ skinVertexAArray[ offset_skin + 8 ] = sa3.x;
+ skinVertexAArray[ offset_skin + 9 ] = sa3.y;
+ skinVertexAArray[ offset_skin + 10 ] = sa3.z;
+ skinVertexAArray[ offset_skin + 11 ] = 1;
+
+ // vertices B
+
+ sb1 = obj_skinVerticesB[ face.a ];
+ sb2 = obj_skinVerticesB[ face.b ];
+ sb3 = obj_skinVerticesB[ face.c ];
+
+ skinVertexBArray[ offset_skin ] = sb1.x;
+ skinVertexBArray[ offset_skin + 1 ] = sb1.y;
+ skinVertexBArray[ offset_skin + 2 ] = sb1.z;
+ skinVertexBArray[ offset_skin + 3 ] = 1; // pad for faster vertex shader
+
+ skinVertexBArray[ offset_skin + 4 ] = sb2.x;
+ skinVertexBArray[ offset_skin + 5 ] = sb2.y;
+ skinVertexBArray[ offset_skin + 6 ] = sb2.z;
+ skinVertexBArray[ offset_skin + 7 ] = 1;
+
+ skinVertexBArray[ offset_skin + 8 ] = sb3.x;
+ skinVertexBArray[ offset_skin + 9 ] = sb3.y;
+ skinVertexBArray[ offset_skin + 10 ] = sb3.z;
+ skinVertexBArray[ offset_skin + 11 ] = 1;
+
+ offset_skin += 12;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ // weights
+
+ sw1 = obj_skinWeights[ face.a ];
+ sw2 = obj_skinWeights[ face.b ];
+ sw3 = obj_skinWeights[ face.c ];
+ sw4 = obj_skinWeights[ face.d ];
+
+ skinWeightArray[ offset_skin ] = sw1.x;
+ skinWeightArray[ offset_skin + 1 ] = sw1.y;
+ skinWeightArray[ offset_skin + 2 ] = sw1.z;
+ skinWeightArray[ offset_skin + 3 ] = sw1.w;
+
+ skinWeightArray[ offset_skin + 4 ] = sw2.x;
+ skinWeightArray[ offset_skin + 5 ] = sw2.y;
+ skinWeightArray[ offset_skin + 6 ] = sw2.z;
+ skinWeightArray[ offset_skin + 7 ] = sw2.w;
+
+ skinWeightArray[ offset_skin + 8 ] = sw3.x;
+ skinWeightArray[ offset_skin + 9 ] = sw3.y;
+ skinWeightArray[ offset_skin + 10 ] = sw3.z;
+ skinWeightArray[ offset_skin + 11 ] = sw3.w;
+
+ skinWeightArray[ offset_skin + 12 ] = sw4.x;
+ skinWeightArray[ offset_skin + 13 ] = sw4.y;
+ skinWeightArray[ offset_skin + 14 ] = sw4.z;
+ skinWeightArray[ offset_skin + 15 ] = sw4.w;
+
+ // indices
+
+ si1 = obj_skinIndices[ face.a ];
+ si2 = obj_skinIndices[ face.b ];
+ si3 = obj_skinIndices[ face.c ];
+ si4 = obj_skinIndices[ face.d ];
+
+ skinIndexArray[ offset_skin ] = si1.x;
+ skinIndexArray[ offset_skin + 1 ] = si1.y;
+ skinIndexArray[ offset_skin + 2 ] = si1.z;
+ skinIndexArray[ offset_skin + 3 ] = si1.w;
+
+ skinIndexArray[ offset_skin + 4 ] = si2.x;
+ skinIndexArray[ offset_skin + 5 ] = si2.y;
+ skinIndexArray[ offset_skin + 6 ] = si2.z;
+ skinIndexArray[ offset_skin + 7 ] = si2.w;
+
+ skinIndexArray[ offset_skin + 8 ] = si3.x;
+ skinIndexArray[ offset_skin + 9 ] = si3.y;
+ skinIndexArray[ offset_skin + 10 ] = si3.z;
+ skinIndexArray[ offset_skin + 11 ] = si3.w;
+
+ skinIndexArray[ offset_skin + 12 ] = si4.x;
+ skinIndexArray[ offset_skin + 13 ] = si4.y;
+ skinIndexArray[ offset_skin + 14 ] = si4.z;
+ skinIndexArray[ offset_skin + 15 ] = si4.w;
+
+ // vertices A
+
+ sa1 = obj_skinVerticesA[ face.a ];
+ sa2 = obj_skinVerticesA[ face.b ];
+ sa3 = obj_skinVerticesA[ face.c ];
+ sa4 = obj_skinVerticesA[ face.d ];
+
+ skinVertexAArray[ offset_skin ] = sa1.x;
+ skinVertexAArray[ offset_skin + 1 ] = sa1.y;
+ skinVertexAArray[ offset_skin + 2 ] = sa1.z;
+ skinVertexAArray[ offset_skin + 3 ] = 1; // pad for faster vertex shader
+
+ skinVertexAArray[ offset_skin + 4 ] = sa2.x;
+ skinVertexAArray[ offset_skin + 5 ] = sa2.y;
+ skinVertexAArray[ offset_skin + 6 ] = sa2.z;
+ skinVertexAArray[ offset_skin + 7 ] = 1;
+
+ skinVertexAArray[ offset_skin + 8 ] = sa3.x;
+ skinVertexAArray[ offset_skin + 9 ] = sa3.y;
+ skinVertexAArray[ offset_skin + 10 ] = sa3.z;
+ skinVertexAArray[ offset_skin + 11 ] = 1;
+
+ skinVertexAArray[ offset_skin + 12 ] = sa4.x;
+ skinVertexAArray[ offset_skin + 13 ] = sa4.y;
+ skinVertexAArray[ offset_skin + 14 ] = sa4.z;
+ skinVertexAArray[ offset_skin + 15 ] = 1;
+
+ // vertices B
+
+ sb1 = obj_skinVerticesB[ face.a ];
+ sb2 = obj_skinVerticesB[ face.b ];
+ sb3 = obj_skinVerticesB[ face.c ];
+ sb4 = obj_skinVerticesB[ face.d ];
+
+ skinVertexBArray[ offset_skin ] = sb1.x;
+ skinVertexBArray[ offset_skin + 1 ] = sb1.y;
+ skinVertexBArray[ offset_skin + 2 ] = sb1.z;
+ skinVertexBArray[ offset_skin + 3 ] = 1; // pad for faster vertex shader
+
+ skinVertexBArray[ offset_skin + 4 ] = sb2.x;
+ skinVertexBArray[ offset_skin + 5 ] = sb2.y;
+ skinVertexBArray[ offset_skin + 6 ] = sb2.z;
+ skinVertexBArray[ offset_skin + 7 ] = 1;
+
+ skinVertexBArray[ offset_skin + 8 ] = sb3.x;
+ skinVertexBArray[ offset_skin + 9 ] = sb3.y;
+ skinVertexBArray[ offset_skin + 10 ] = sb3.z;
+ skinVertexBArray[ offset_skin + 11 ] = 1;
+
+ skinVertexBArray[ offset_skin + 12 ] = sb4.x;
+ skinVertexBArray[ offset_skin + 13 ] = sb4.y;
+ skinVertexBArray[ offset_skin + 14 ] = sb4.z;
+ skinVertexBArray[ offset_skin + 15 ] = 1;
+
+ offset_skin += 16;
+
+ }
+
+ if ( offset_skin > 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinVertexABuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, skinVertexAArray, hint );
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinVertexBBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, skinVertexBArray, hint );
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinIndicesBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, skinIndexArray, hint );
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinWeightsBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, skinWeightArray, hint );
+
+ }
+
+ }
+
+ if ( dirtyColors && vertexColorType ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ vertexColors = face.vertexColors;
+ faceColor = face.color;
+
+ if ( vertexColors.length === 3 && vertexColorType === THREE.VertexColors ) {
+
+ c1 = vertexColors[ 0 ];
+ c2 = vertexColors[ 1 ];
+ c3 = vertexColors[ 2 ];
+
+ } else {
+
+ c1 = faceColor;
+ c2 = faceColor;
+ c3 = faceColor;
+
+ }
+
+ colorArray[ offset_color ] = c1.r;
+ colorArray[ offset_color + 1 ] = c1.g;
+ colorArray[ offset_color + 2 ] = c1.b;
+
+ colorArray[ offset_color + 3 ] = c2.r;
+ colorArray[ offset_color + 4 ] = c2.g;
+ colorArray[ offset_color + 5 ] = c2.b;
+
+ colorArray[ offset_color + 6 ] = c3.r;
+ colorArray[ offset_color + 7 ] = c3.g;
+ colorArray[ offset_color + 8 ] = c3.b;
+
+ offset_color += 9;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ vertexColors = face.vertexColors;
+ faceColor = face.color;
+
+ if ( vertexColors.length === 4 && vertexColorType === THREE.VertexColors ) {
+
+ c1 = vertexColors[ 0 ];
+ c2 = vertexColors[ 1 ];
+ c3 = vertexColors[ 2 ];
+ c4 = vertexColors[ 3 ];
+
+ } else {
+
+ c1 = faceColor;
+ c2 = faceColor;
+ c3 = faceColor;
+ c4 = faceColor;
+
+ }
+
+ colorArray[ offset_color ] = c1.r;
+ colorArray[ offset_color + 1 ] = c1.g;
+ colorArray[ offset_color + 2 ] = c1.b;
+
+ colorArray[ offset_color + 3 ] = c2.r;
+ colorArray[ offset_color + 4 ] = c2.g;
+ colorArray[ offset_color + 5 ] = c2.b;
+
+ colorArray[ offset_color + 6 ] = c3.r;
+ colorArray[ offset_color + 7 ] = c3.g;
+ colorArray[ offset_color + 8 ] = c3.b;
+
+ colorArray[ offset_color + 9 ] = c4.r;
+ colorArray[ offset_color + 10 ] = c4.g;
+ colorArray[ offset_color + 11 ] = c4.b;
+
+ offset_color += 12;
+
+ }
+
+ if ( offset_color > 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglColorBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, colorArray, hint );
+
+ }
+
+ }
+
+ if ( dirtyTangents && geometry.hasTangents ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ vertexTangents = face.vertexTangents;
+
+ t1 = vertexTangents[ 0 ];
+ t2 = vertexTangents[ 1 ];
+ t3 = vertexTangents[ 2 ];
+
+ tangentArray[ offset_tangent ] = t1.x;
+ tangentArray[ offset_tangent + 1 ] = t1.y;
+ tangentArray[ offset_tangent + 2 ] = t1.z;
+ tangentArray[ offset_tangent + 3 ] = t1.w;
+
+ tangentArray[ offset_tangent + 4 ] = t2.x;
+ tangentArray[ offset_tangent + 5 ] = t2.y;
+ tangentArray[ offset_tangent + 6 ] = t2.z;
+ tangentArray[ offset_tangent + 7 ] = t2.w;
+
+ tangentArray[ offset_tangent + 8 ] = t3.x;
+ tangentArray[ offset_tangent + 9 ] = t3.y;
+ tangentArray[ offset_tangent + 10 ] = t3.z;
+ tangentArray[ offset_tangent + 11 ] = t3.w;
+
+ offset_tangent += 12;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ vertexTangents = face.vertexTangents;
+
+ t1 = vertexTangents[ 0 ];
+ t2 = vertexTangents[ 1 ];
+ t3 = vertexTangents[ 2 ];
+ t4 = vertexTangents[ 3 ];
+
+ tangentArray[ offset_tangent ] = t1.x;
+ tangentArray[ offset_tangent + 1 ] = t1.y;
+ tangentArray[ offset_tangent + 2 ] = t1.z;
+ tangentArray[ offset_tangent + 3 ] = t1.w;
+
+ tangentArray[ offset_tangent + 4 ] = t2.x;
+ tangentArray[ offset_tangent + 5 ] = t2.y;
+ tangentArray[ offset_tangent + 6 ] = t2.z;
+ tangentArray[ offset_tangent + 7 ] = t2.w;
+
+ tangentArray[ offset_tangent + 8 ] = t3.x;
+ tangentArray[ offset_tangent + 9 ] = t3.y;
+ tangentArray[ offset_tangent + 10 ] = t3.z;
+ tangentArray[ offset_tangent + 11 ] = t3.w;
+
+ tangentArray[ offset_tangent + 12 ] = t4.x;
+ tangentArray[ offset_tangent + 13 ] = t4.y;
+ tangentArray[ offset_tangent + 14 ] = t4.z;
+ tangentArray[ offset_tangent + 15 ] = t4.w;
+
+ offset_tangent += 16;
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglTangentBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, tangentArray, hint );
+
+ }
+
+ if ( dirtyNormals && normalType ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ vertexNormals = face.vertexNormals;
+ faceNormal = face.normal;
+
+ if ( vertexNormals.length === 3 && needsSmoothNormals ) {
+
+ for ( i = 0; i < 3; i ++ ) {
+
+ vn = vertexNormals[ i ];
+
+ normalArray[ offset_normal ] = vn.x;
+ normalArray[ offset_normal + 1 ] = vn.y;
+ normalArray[ offset_normal + 2 ] = vn.z;
+
+ offset_normal += 3;
+
+ }
+
+ } else {
+
+ for ( i = 0; i < 3; i ++ ) {
+
+ normalArray[ offset_normal ] = faceNormal.x;
+ normalArray[ offset_normal + 1 ] = faceNormal.y;
+ normalArray[ offset_normal + 2 ] = faceNormal.z;
+
+ offset_normal += 3;
+
+ }
+
+ }
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ vertexNormals = face.vertexNormals;
+ faceNormal = face.normal;
+
+ if ( vertexNormals.length === 4 && needsSmoothNormals ) {
+
+ for ( i = 0; i < 4; i ++ ) {
+
+ vn = vertexNormals[ i ];
+
+ normalArray[ offset_normal ] = vn.x;
+ normalArray[ offset_normal + 1 ] = vn.y;
+ normalArray[ offset_normal + 2 ] = vn.z;
+
+ offset_normal += 3;
+
+ }
+
+ } else {
+
+ for ( i = 0; i < 4; i ++ ) {
+
+ normalArray[ offset_normal ] = faceNormal.x;
+ normalArray[ offset_normal + 1 ] = faceNormal.y;
+ normalArray[ offset_normal + 2 ] = faceNormal.z;
+
+ offset_normal += 3;
+
+ }
+
+ }
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglNormalBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, normalArray, hint );
+
+ }
+
+ if ( dirtyUvs && obj_uvs && uvType ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ fi = chunk_faces3[ f ];
+
+ face = obj_faces[ fi ];
+ uv = obj_uvs[ fi ];
+
+ if ( uv === undefined ) continue;
+
+ for ( i = 0; i < 3; i ++ ) {
+
+ uvi = uv[ i ];
+
+ uvArray[ offset_uv ] = uvi.u;
+ uvArray[ offset_uv + 1 ] = uvi.v;
+
+ offset_uv += 2;
+
+ }
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ fi = chunk_faces4[ f ];
+
+ face = obj_faces[ fi ];
+ uv = obj_uvs[ fi ];
+
+ if ( uv === undefined ) continue;
+
+ for ( i = 0; i < 4; i ++ ) {
+
+ uvi = uv[ i ];
+
+ uvArray[ offset_uv ] = uvi.u;
+ uvArray[ offset_uv + 1 ] = uvi.v;
+
+ offset_uv += 2;
+
+ }
+
+ }
+
+ if ( offset_uv > 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglUVBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, uvArray, hint );
+
+ }
+
+ }
+
+ if ( dirtyUvs && obj_uvs2 && uvType ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ fi = chunk_faces3[ f ];
+
+ face = obj_faces[ fi ];
+ uv2 = obj_uvs2[ fi ];
+
+ if ( uv2 === undefined ) continue;
+
+ for ( i = 0; i < 3; i ++ ) {
+
+ uv2i = uv2[ i ];
+
+ uv2Array[ offset_uv2 ] = uv2i.u;
+ uv2Array[ offset_uv2 + 1 ] = uv2i.v;
+
+ offset_uv2 += 2;
+
+ }
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ fi = chunk_faces4[ f ];
+
+ face = obj_faces[ fi ];
+ uv2 = obj_uvs2[ fi ];
+
+ if ( uv2 === undefined ) continue;
+
+ for ( i = 0; i < 4; i ++ ) {
+
+ uv2i = uv2[ i ];
+
+ uv2Array[ offset_uv2 ] = uv2i.u;
+ uv2Array[ offset_uv2 + 1 ] = uv2i.v;
+
+ offset_uv2 += 2;
+
+ }
+
+ }
+
+ if ( offset_uv2 > 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglUV2Buffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, uv2Array, hint );
+
+ }
+
+ }
+
+ if ( dirtyElements ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ faceArray[ offset_face ] = vertexIndex;
+ faceArray[ offset_face + 1 ] = vertexIndex + 1;
+ faceArray[ offset_face + 2 ] = vertexIndex + 2;
+
+ offset_face += 3;
+
+ lineArray[ offset_line ] = vertexIndex;
+ lineArray[ offset_line + 1 ] = vertexIndex + 1;
+
+ lineArray[ offset_line + 2 ] = vertexIndex;
+ lineArray[ offset_line + 3 ] = vertexIndex + 2;
+
+ lineArray[ offset_line + 4 ] = vertexIndex + 1;
+ lineArray[ offset_line + 5 ] = vertexIndex + 2;
+
+ offset_line += 6;
+
+ vertexIndex += 3;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ faceArray[ offset_face ] = vertexIndex;
+ faceArray[ offset_face + 1 ] = vertexIndex + 1;
+ faceArray[ offset_face + 2 ] = vertexIndex + 3;
+
+ faceArray[ offset_face + 3 ] = vertexIndex + 1;
+ faceArray[ offset_face + 4 ] = vertexIndex + 2;
+ faceArray[ offset_face + 5 ] = vertexIndex + 3;
+
+ offset_face += 6;
+
+ lineArray[ offset_line ] = vertexIndex;
+ lineArray[ offset_line + 1 ] = vertexIndex + 1;
+
+ lineArray[ offset_line + 2 ] = vertexIndex;
+ lineArray[ offset_line + 3 ] = vertexIndex + 3;
+
+ lineArray[ offset_line + 4 ] = vertexIndex + 1;
+ lineArray[ offset_line + 5 ] = vertexIndex + 2;
+
+ lineArray[ offset_line + 6 ] = vertexIndex + 2;
+ lineArray[ offset_line + 7 ] = vertexIndex + 3;
+
+ offset_line += 8;
+
+ vertexIndex += 4;
+
+ }
+
+ _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, geometryGroup.__webglFaceBuffer );
+ _gl.bufferData( _gl.ELEMENT_ARRAY_BUFFER, faceArray, hint );
+
+ _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, geometryGroup.__webglLineBuffer );
+ _gl.bufferData( _gl.ELEMENT_ARRAY_BUFFER, lineArray, hint );
+
+ }
+
+ if ( customAttributes ) {
+
+ for ( i = 0, il = customAttributes.length; i < il; i ++ ) {
+
+ customAttribute = customAttributes[ i ];
+
+ if ( ! customAttribute.__original.needsUpdate ) continue;
+
+ offset_custom = 0;
+ offset_customSrc = 0;
+
+ if ( customAttribute.size === 1 ) {
+
+ if ( customAttribute.boundTo === undefined || customAttribute.boundTo === "vertices" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ customAttribute.array[ offset_custom ] = customAttribute.value[ face.a ];
+ customAttribute.array[ offset_custom + 1 ] = customAttribute.value[ face.b ];
+ customAttribute.array[ offset_custom + 2 ] = customAttribute.value[ face.c ];
+
+ offset_custom += 3;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ customAttribute.array[ offset_custom ] = customAttribute.value[ face.a ];
+ customAttribute.array[ offset_custom + 1 ] = customAttribute.value[ face.b ];
+ customAttribute.array[ offset_custom + 2 ] = customAttribute.value[ face.c ];
+ customAttribute.array[ offset_custom + 3 ] = customAttribute.value[ face.d ];
+
+ offset_custom += 4;
+
+ }
+
+ } else if ( customAttribute.boundTo === "faces" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces3[ f ] ];
+
+ customAttribute.array[ offset_custom ] = value;
+ customAttribute.array[ offset_custom + 1 ] = value;
+ customAttribute.array[ offset_custom + 2 ] = value;
+
+ offset_custom += 3;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces4[ f ] ];
+
+ customAttribute.array[ offset_custom ] = value;
+ customAttribute.array[ offset_custom + 1 ] = value;
+ customAttribute.array[ offset_custom + 2 ] = value;
+ customAttribute.array[ offset_custom + 3 ] = value;
+
+ offset_custom += 4;
+
+ }
+
+ }
+
+ } else if ( customAttribute.size === 2 ) {
+
+ if ( customAttribute.boundTo === undefined || customAttribute.boundTo === "vertices" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ v1 = customAttribute.value[ face.a ];
+ v2 = customAttribute.value[ face.b ];
+ v3 = customAttribute.value[ face.c ];
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+
+ customAttribute.array[ offset_custom + 2 ] = v2.x;
+ customAttribute.array[ offset_custom + 3 ] = v2.y;
+
+ customAttribute.array[ offset_custom + 4 ] = v3.x;
+ customAttribute.array[ offset_custom + 5 ] = v3.y;
+
+ offset_custom += 6;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ v1 = customAttribute.value[ face.a ];
+ v2 = customAttribute.value[ face.b ];
+ v3 = customAttribute.value[ face.c ];
+ v4 = customAttribute.value[ face.d ];
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+
+ customAttribute.array[ offset_custom + 2 ] = v2.x;
+ customAttribute.array[ offset_custom + 3 ] = v2.y;
+
+ customAttribute.array[ offset_custom + 4 ] = v3.x;
+ customAttribute.array[ offset_custom + 5 ] = v3.y;
+
+ customAttribute.array[ offset_custom + 6 ] = v4.x;
+ customAttribute.array[ offset_custom + 7 ] = v4.y;
+
+ offset_custom += 8;
+
+ }
+
+ } else if ( customAttribute.boundTo === "faces" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces3[ f ] ];
+
+ v1 = value;
+ v2 = value;
+ v3 = value;
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+
+ customAttribute.array[ offset_custom + 2 ] = v2.x;
+ customAttribute.array[ offset_custom + 3 ] = v2.y;
+
+ customAttribute.array[ offset_custom + 4 ] = v3.x;
+ customAttribute.array[ offset_custom + 5 ] = v3.y;
+
+ offset_custom += 6;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces4[ f ] ];
+
+ v1 = value;
+ v2 = value;
+ v3 = value;
+ v4 = value;
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+
+ customAttribute.array[ offset_custom + 2 ] = v2.x;
+ customAttribute.array[ offset_custom + 3 ] = v2.y;
+
+ customAttribute.array[ offset_custom + 4 ] = v3.x;
+ customAttribute.array[ offset_custom + 5 ] = v3.y;
+
+ customAttribute.array[ offset_custom + 6 ] = v4.x;
+ customAttribute.array[ offset_custom + 7 ] = v4.y;
+
+ offset_custom += 8;
+
+ }
+
+ }
+
+ } else if ( customAttribute.size === 3 ) {
+
+ var pp;
+
+ if ( customAttribute.type === "c" ) {
+
+ pp = [ "r", "g", "b" ];
+
+ } else {
+
+ pp = [ "x", "y", "z" ];
+
+ }
+
+ if ( customAttribute.boundTo === undefined || customAttribute.boundTo === "vertices" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ v1 = customAttribute.value[ face.a ];
+ v2 = customAttribute.value[ face.b ];
+ v3 = customAttribute.value[ face.c ];
+
+ customAttribute.array[ offset_custom ] = v1[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 1 ] = v1[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 2 ] = v1[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 3 ] = v2[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 4 ] = v2[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 5 ] = v2[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 6 ] = v3[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 7 ] = v3[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 8 ] = v3[ pp[ 2 ] ];
+
+ offset_custom += 9;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ v1 = customAttribute.value[ face.a ];
+ v2 = customAttribute.value[ face.b ];
+ v3 = customAttribute.value[ face.c ];
+ v4 = customAttribute.value[ face.d ];
+
+ customAttribute.array[ offset_custom ] = v1[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 1 ] = v1[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 2 ] = v1[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 3 ] = v2[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 4 ] = v2[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 5 ] = v2[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 6 ] = v3[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 7 ] = v3[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 8 ] = v3[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 9 ] = v4[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 10 ] = v4[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 11 ] = v4[ pp[ 2 ] ];
+
+ offset_custom += 12;
+
+ }
+
+ } else if ( customAttribute.boundTo === "faces" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces3[ f ] ];
+
+ v1 = value;
+ v2 = value;
+ v3 = value;
+
+ customAttribute.array[ offset_custom ] = v1[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 1 ] = v1[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 2 ] = v1[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 3 ] = v2[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 4 ] = v2[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 5 ] = v2[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 6 ] = v3[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 7 ] = v3[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 8 ] = v3[ pp[ 2 ] ];
+
+ offset_custom += 9;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces4[ f ] ];
+
+ v1 = value;
+ v2 = value;
+ v3 = value;
+ v4 = value;
+
+ customAttribute.array[ offset_custom ] = v1[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 1 ] = v1[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 2 ] = v1[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 3 ] = v2[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 4 ] = v2[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 5 ] = v2[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 6 ] = v3[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 7 ] = v3[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 8 ] = v3[ pp[ 2 ] ];
+
+ customAttribute.array[ offset_custom + 9 ] = v4[ pp[ 0 ] ];
+ customAttribute.array[ offset_custom + 10 ] = v4[ pp[ 1 ] ];
+ customAttribute.array[ offset_custom + 11 ] = v4[ pp[ 2 ] ];
+
+ offset_custom += 12;
+
+ }
+
+ }
+
+ } else if ( customAttribute.size === 4 ) {
+
+ if ( customAttribute.boundTo === undefined || customAttribute.boundTo === "vertices" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces3[ f ] ];
+
+ v1 = customAttribute.value[ face.a ];
+ v2 = customAttribute.value[ face.b ];
+ v3 = customAttribute.value[ face.c ];
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+ customAttribute.array[ offset_custom + 2 ] = v1.z;
+ customAttribute.array[ offset_custom + 3 ] = v1.w;
+
+ customAttribute.array[ offset_custom + 4 ] = v2.x;
+ customAttribute.array[ offset_custom + 5 ] = v2.y;
+ customAttribute.array[ offset_custom + 6 ] = v2.z;
+ customAttribute.array[ offset_custom + 7 ] = v2.w;
+
+ customAttribute.array[ offset_custom + 8 ] = v3.x;
+ customAttribute.array[ offset_custom + 9 ] = v3.y;
+ customAttribute.array[ offset_custom + 10 ] = v3.z;
+ customAttribute.array[ offset_custom + 11 ] = v3.w;
+
+ offset_custom += 12;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ face = obj_faces[ chunk_faces4[ f ] ];
+
+ v1 = customAttribute.value[ face.a ];
+ v2 = customAttribute.value[ face.b ];
+ v3 = customAttribute.value[ face.c ];
+ v4 = customAttribute.value[ face.d ];
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+ customAttribute.array[ offset_custom + 2 ] = v1.z;
+ customAttribute.array[ offset_custom + 3 ] = v1.w;
+
+ customAttribute.array[ offset_custom + 4 ] = v2.x;
+ customAttribute.array[ offset_custom + 5 ] = v2.y;
+ customAttribute.array[ offset_custom + 6 ] = v2.z;
+ customAttribute.array[ offset_custom + 7 ] = v2.w;
+
+ customAttribute.array[ offset_custom + 8 ] = v3.x;
+ customAttribute.array[ offset_custom + 9 ] = v3.y;
+ customAttribute.array[ offset_custom + 10 ] = v3.z;
+ customAttribute.array[ offset_custom + 11 ] = v3.w;
+
+ customAttribute.array[ offset_custom + 12 ] = v4.x;
+ customAttribute.array[ offset_custom + 13 ] = v4.y;
+ customAttribute.array[ offset_custom + 14 ] = v4.z;
+ customAttribute.array[ offset_custom + 15 ] = v4.w;
+
+ offset_custom += 16;
+
+ }
+
+ } else if ( customAttribute.boundTo === "faces" ) {
+
+ for ( f = 0, fl = chunk_faces3.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces3[ f ] ];
+
+ v1 = value;
+ v2 = value;
+ v3 = value;
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+ customAttribute.array[ offset_custom + 2 ] = v1.z;
+ customAttribute.array[ offset_custom + 3 ] = v1.w;
+
+ customAttribute.array[ offset_custom + 4 ] = v2.x;
+ customAttribute.array[ offset_custom + 5 ] = v2.y;
+ customAttribute.array[ offset_custom + 6 ] = v2.z;
+ customAttribute.array[ offset_custom + 7 ] = v2.w;
+
+ customAttribute.array[ offset_custom + 8 ] = v3.x;
+ customAttribute.array[ offset_custom + 9 ] = v3.y;
+ customAttribute.array[ offset_custom + 10 ] = v3.z;
+ customAttribute.array[ offset_custom + 11 ] = v3.w;
+
+ offset_custom += 12;
+
+ }
+
+ for ( f = 0, fl = chunk_faces4.length; f < fl; f ++ ) {
+
+ value = customAttribute.value[ chunk_faces4[ f ] ];
+
+ v1 = value;
+ v2 = value;
+ v3 = value;
+ v4 = value;
+
+ customAttribute.array[ offset_custom ] = v1.x;
+ customAttribute.array[ offset_custom + 1 ] = v1.y;
+ customAttribute.array[ offset_custom + 2 ] = v1.z;
+ customAttribute.array[ offset_custom + 3 ] = v1.w;
+
+ customAttribute.array[ offset_custom + 4 ] = v2.x;
+ customAttribute.array[ offset_custom + 5 ] = v2.y;
+ customAttribute.array[ offset_custom + 6 ] = v2.z;
+ customAttribute.array[ offset_custom + 7 ] = v2.w;
+
+ customAttribute.array[ offset_custom + 8 ] = v3.x;
+ customAttribute.array[ offset_custom + 9 ] = v3.y;
+ customAttribute.array[ offset_custom + 10 ] = v3.z;
+ customAttribute.array[ offset_custom + 11 ] = v3.w;
+
+ customAttribute.array[ offset_custom + 12 ] = v4.x;
+ customAttribute.array[ offset_custom + 13 ] = v4.y;
+ customAttribute.array[ offset_custom + 14 ] = v4.z;
+ customAttribute.array[ offset_custom + 15 ] = v4.w;
+
+ offset_custom += 16;
+
+ }
+
+ }
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, customAttribute.buffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, customAttribute.array, hint );
+
+ }
+
+ }
+
+ if ( dispose ) {
+
+ delete geometryGroup.__inittedArrays;
+ delete geometryGroup.__colorArray;
+ delete geometryGroup.__normalArray;
+ delete geometryGroup.__tangentArray;
+ delete geometryGroup.__uvArray;
+ delete geometryGroup.__uv2Array;
+ delete geometryGroup.__faceArray;
+ delete geometryGroup.__vertexArray;
+ delete geometryGroup.__lineArray;
+ delete geometryGroup.__skinVertexAArray;
+ delete geometryGroup.__skinVertexBArray;
+ delete geometryGroup.__skinIndexArray;
+ delete geometryGroup.__skinWeightArray;
+
+ }
+
+ };
+
+ // Buffer rendering
+
+ this.renderBufferImmediate = function ( object, program, shading ) {
+
+ if ( ! object.__webglVertexBuffer ) object.__webglVertexBuffer = _gl.createBuffer();
+ if ( ! object.__webglNormalBuffer ) object.__webglNormalBuffer = _gl.createBuffer();
+
+ if ( object.hasPos ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, object.__webglVertexBuffer );
+ _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );
+ _gl.enableVertexAttribArray( program.attributes.position );
+ _gl.vertexAttribPointer( program.attributes.position, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ if ( object.hasNormal ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, object.__webglNormalBuffer );
+
+ if ( shading === THREE.FlatShading ) {
+
+ var nx, ny, nz,
+ nax, nbx, ncx, nay, nby, ncy, naz, nbz, ncz,
+ normalArray,
+ i, il = object.count * 3;
+
+ for( i = 0; i < il; i += 9 ) {
+
+ normalArray = object.normalArray;
+
+ nax = normalArray[ i ];
+ nay = normalArray[ i + 1 ];
+ naz = normalArray[ i + 2 ];
+
+ nbx = normalArray[ i + 3 ];
+ nby = normalArray[ i + 4 ];
+ nbz = normalArray[ i + 5 ];
+
+ ncx = normalArray[ i + 6 ];
+ ncy = normalArray[ i + 7 ];
+ ncz = normalArray[ i + 8 ];
+
+ nx = ( nax + nbx + ncx ) / 3;
+ ny = ( nay + nby + ncy ) / 3;
+ nz = ( naz + nbz + ncz ) / 3;
+
+ normalArray[ i ] = nx;
+ normalArray[ i + 1 ] = ny;
+ normalArray[ i + 2 ] = nz;
+
+ normalArray[ i + 3 ] = nx;
+ normalArray[ i + 4 ] = ny;
+ normalArray[ i + 5 ] = nz;
+
+ normalArray[ i + 6 ] = nx;
+ normalArray[ i + 7 ] = ny;
+ normalArray[ i + 8 ] = nz;
+
+ }
+
+ }
+
+ _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );
+ _gl.enableVertexAttribArray( program.attributes.normal );
+ _gl.vertexAttribPointer( program.attributes.normal, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ _gl.drawArrays( _gl.TRIANGLES, 0, object.count );
+
+ object.count = 0;
+
+ };
+
+ this.renderBufferDirect = function ( camera, lights, fog, material, geometryGroup, object ) {
+
+ if ( material.visible === false ) return;
+
+ var program, attributes, linewidth, primitives, a, attribute;
+
+ program = setProgram( camera, lights, fog, material, object );
+
+ attributes = program.attributes;
+
+ var updateBuffers = false,
+ wireframeBit = material.wireframe ? 1 : 0,
+ geometryGroupHash = ( geometryGroup.id * 0xffffff ) + ( program.id * 2 ) + wireframeBit;
+
+ if ( geometryGroupHash !== _currentGeometryGroupHash ) {
+
+ _currentGeometryGroupHash = geometryGroupHash;
+ updateBuffers = true;
+
+ }
+
+ // render mesh
+
+ if ( object instanceof THREE.Mesh ) {
+
+ var offsets = geometryGroup.offsets;
+
+ for ( var i = 0, il = offsets.length; i < il; ++ i ) {
+
+ if ( updateBuffers ) {
+
+ // vertices
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.vertexPositionBuffer );
+ _gl.vertexAttribPointer( attributes.position, geometryGroup.vertexPositionBuffer.itemSize, _gl.FLOAT, false, 0, offsets[ i ].index * 4 * 3 );
+
+ // normals
+
+ if ( attributes.normal >= 0 && geometryGroup.vertexNormalBuffer ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.vertexNormalBuffer );
+ _gl.vertexAttribPointer( attributes.normal, geometryGroup.vertexNormalBuffer.itemSize, _gl.FLOAT, false, 0, offsets[ i ].index * 4 * 3 );
+
+ }
+
+ // uvs
+
+ if ( attributes.uv >= 0 && geometryGroup.vertexUvBuffer ) {
+
+ if ( geometryGroup.vertexUvBuffer ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.vertexUvBuffer );
+ _gl.vertexAttribPointer( attributes.uv, geometryGroup.vertexUvBuffer.itemSize, _gl.FLOAT, false, 0, offsets[ i ].index * 4 * 2 );
+
+ _gl.enableVertexAttribArray( attributes.uv );
+
+ } else {
+
+ _gl.disableVertexAttribArray( attributes.uv );
+
+ }
+
+ }
+
+ // colors
+
+ if ( attributes.color >= 0 && geometryGroup.vertexColorBuffer ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.vertexColorBuffer );
+ _gl.vertexAttribPointer( attributes.color, geometryGroup.vertexColorBuffer.itemSize, _gl.FLOAT, false, 0, offsets[ i ].index * 4 * 4 );
+
+
+ }
+
+ _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, geometryGroup.vertexIndexBuffer );
+
+ }
+
+ // render indexed triangles
+
+ _gl.drawElements( _gl.TRIANGLES, offsets[ i ].count, _gl.UNSIGNED_SHORT, offsets[ i ].start * 2 ); // 2 = Uint16
+
+ _this.info.render.calls ++;
+ _this.info.render.vertices += offsets[ i ].count; // not really true, here vertices can be shared
+ _this.info.render.faces += offsets[ i ].count / 3;
+
+ }
+
+ }
+
+ };
+
+ this.renderBuffer = function ( camera, lights, fog, material, geometryGroup, object ) {
+
+ if ( material.visible === false ) return;
+
+ var program, attributes, linewidth, primitives, a, attribute, i, il;
+
+ program = setProgram( camera, lights, fog, material, object );
+
+ attributes = program.attributes;
+
+ var updateBuffers = false,
+ wireframeBit = material.wireframe ? 1 : 0,
+ geometryGroupHash = ( geometryGroup.id * 0xffffff ) + ( program.id * 2 ) + wireframeBit;
+
+ if ( geometryGroupHash !== _currentGeometryGroupHash ) {
+
+ _currentGeometryGroupHash = geometryGroupHash;
+ updateBuffers = true;
+
+ }
+
+ // vertices
+
+ if ( !material.morphTargets && attributes.position >= 0 ) {
+
+ if ( updateBuffers ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglVertexBuffer );
+ _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ } else {
+
+ if ( object.morphTargetBase ) {
+
+ setupMorphTargets( material, geometryGroup, object );
+
+ }
+
+ }
+
+
+ if ( updateBuffers ) {
+
+ // custom attributes
+
+ // Use the per-geometryGroup custom attribute arrays which are setup in initMeshBuffers
+
+ if ( geometryGroup.__webglCustomAttributesList ) {
+
+ for ( i = 0, il = geometryGroup.__webglCustomAttributesList.length; i < il; i ++ ) {
+
+ attribute = geometryGroup.__webglCustomAttributesList[ i ];
+
+ if( attributes[ attribute.buffer.belongsToAttribute ] >= 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, attribute.buffer );
+ _gl.vertexAttribPointer( attributes[ attribute.buffer.belongsToAttribute ], attribute.size, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ }
+
+ }
+
+
+ // colors
+
+ if ( attributes.color >= 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglColorBuffer );
+ _gl.vertexAttribPointer( attributes.color, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ // normals
+
+ if ( attributes.normal >= 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglNormalBuffer );
+ _gl.vertexAttribPointer( attributes.normal, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ // tangents
+
+ if ( attributes.tangent >= 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglTangentBuffer );
+ _gl.vertexAttribPointer( attributes.tangent, 4, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ // uvs
+
+ if ( attributes.uv >= 0 ) {
+
+ if ( geometryGroup.__webglUVBuffer ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglUVBuffer );
+ _gl.vertexAttribPointer( attributes.uv, 2, _gl.FLOAT, false, 0, 0 );
+
+ _gl.enableVertexAttribArray( attributes.uv );
+
+ } else {
+
+ _gl.disableVertexAttribArray( attributes.uv );
+
+ }
+
+ }
+
+ if ( attributes.uv2 >= 0 ) {
+
+ if ( geometryGroup.__webglUV2Buffer ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglUV2Buffer );
+ _gl.vertexAttribPointer( attributes.uv2, 2, _gl.FLOAT, false, 0, 0 );
+
+ _gl.enableVertexAttribArray( attributes.uv2 );
+
+ } else {
+
+ _gl.disableVertexAttribArray( attributes.uv2 );
+
+ }
+
+ }
+
+ if ( material.skinning &&
+ attributes.skinVertexA >= 0 && attributes.skinVertexB >= 0 &&
+ attributes.skinIndex >= 0 && attributes.skinWeight >= 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinVertexABuffer );
+ _gl.vertexAttribPointer( attributes.skinVertexA, 4, _gl.FLOAT, false, 0, 0 );
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinVertexBBuffer );
+ _gl.vertexAttribPointer( attributes.skinVertexB, 4, _gl.FLOAT, false, 0, 0 );
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinIndicesBuffer );
+ _gl.vertexAttribPointer( attributes.skinIndex, 4, _gl.FLOAT, false, 0, 0 );
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglSkinWeightsBuffer );
+ _gl.vertexAttribPointer( attributes.skinWeight, 4, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ }
+
+ // render mesh
+
+ if ( object instanceof THREE.Mesh ) {
+
+ // wireframe
+
+ if ( material.wireframe ) {
+
+ setLineWidth( material.wireframeLinewidth );
+
+ if ( updateBuffers ) _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, geometryGroup.__webglLineBuffer );
+ _gl.drawElements( _gl.LINES, geometryGroup.__webglLineCount, _gl.UNSIGNED_SHORT, 0 );
+
+ // triangles
+
+ } else {
+
+ if ( updateBuffers ) _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, geometryGroup.__webglFaceBuffer );
+ _gl.drawElements( _gl.TRIANGLES, geometryGroup.__webglFaceCount, _gl.UNSIGNED_SHORT, 0 );
+
+ }
+
+ _this.info.render.calls ++;
+ _this.info.render.vertices += geometryGroup.__webglFaceCount;
+ _this.info.render.faces += geometryGroup.__webglFaceCount / 3;
+
+ // render lines
+
+ } else if ( object instanceof THREE.Line ) {
+
+ primitives = ( object.type === THREE.LineStrip ) ? _gl.LINE_STRIP : _gl.LINES;
+
+ setLineWidth( material.linewidth );
+
+ _gl.drawArrays( primitives, 0, geometryGroup.__webglLineCount );
+
+ _this.info.render.calls ++;
+
+ // render particles
+
+ } else if ( object instanceof THREE.ParticleSystem ) {
+
+ _gl.drawArrays( _gl.POINTS, 0, geometryGroup.__webglParticleCount );
+
+ _this.info.render.calls ++;
+ _this.info.render.points += geometryGroup.__webglParticleCount;
+
+ // render ribbon
+
+ } else if ( object instanceof THREE.Ribbon ) {
+
+ _gl.drawArrays( _gl.TRIANGLE_STRIP, 0, geometryGroup.__webglVertexCount );
+
+ _this.info.render.calls ++;
+
+ }
+
+ };
+
+ function setupMorphTargets ( material, geometryGroup, object ) {
+
+ // set base
+
+ var attributes = material.program.attributes;
+
+ if ( object.morphTargetBase !== - 1 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglMorphTargetsBuffers[ object.morphTargetBase ] );
+ _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );
+
+ } else if ( attributes.position >= 0 ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglVertexBuffer );
+ _gl.vertexAttribPointer( attributes.position, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ if ( object.morphTargetForcedOrder.length ) {
+
+ // set forced order
+
+ var m = 0;
+ var order = object.morphTargetForcedOrder;
+ var influences = object.morphTargetInfluences;
+
+ while ( m < material.numSupportedMorphTargets && m < order.length ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglMorphTargetsBuffers[ order[ m ] ] );
+ _gl.vertexAttribPointer( attributes[ "morphTarget" + m ], 3, _gl.FLOAT, false, 0, 0 );
+
+ if ( material.morphNormals ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglMorphNormalsBuffers[ order[ m ] ] );
+ _gl.vertexAttribPointer( attributes[ "morphNormal" + m ], 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ object.__webglMorphTargetInfluences[ m ] = influences[ order[ m ] ];
+
+ m ++;
+ }
+
+ } else {
+
+ // find most influencing
+
+ var used = [];
+ var candidateInfluence = - 1;
+ var candidate = 0;
+ var influences = object.morphTargetInfluences;
+ var i, il = influences.length;
+ var m = 0;
+
+ if ( object.morphTargetBase !== - 1 ) {
+
+ used[ object.morphTargetBase ] = true;
+
+ }
+
+ while ( m < material.numSupportedMorphTargets ) {
+
+ for ( i = 0; i < il; i ++ ) {
+
+ if ( !used[ i ] && influences[ i ] > candidateInfluence ) {
+
+ candidate = i;
+ candidateInfluence = influences[ candidate ];
+
+ }
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglMorphTargetsBuffers[ candidate ] );
+ _gl.vertexAttribPointer( attributes[ "morphTarget" + m ], 3, _gl.FLOAT, false, 0, 0 );
+
+ if ( material.morphNormals ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglMorphNormalsBuffers[ candidate ] );
+ _gl.vertexAttribPointer( attributes[ "morphNormal" + m ], 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ object.__webglMorphTargetInfluences[ m ] = candidateInfluence;
+
+ used[ candidate ] = 1;
+ candidateInfluence = -1;
+ m ++;
+
+ }
+
+ }
+
+ // load updated influences uniform
+
+ if( material.program.uniforms.morphTargetInfluences !== null ) {
+
+ _gl.uniform1fv( material.program.uniforms.morphTargetInfluences, object.__webglMorphTargetInfluences );
+
+ }
+
+ };
+
+
+ function painterSort ( a, b ) {
+
+ return b.z - a.z;
+
+ };
+
+ // Rendering
+
+ this.render = function ( scene, camera, renderTarget, forceClear ) {
+
+ var i, il,
+
+ webglObject, object,
+ renderList,
+
+ lights = scene.__lights,
+ fog = scene.fog;
+
+ // reset caching for this frame
+
+ _currentMaterialId = -1;
+ _lightsNeedUpdate = true;
+
+ // update scene graph
+
+ if ( camera.parent === undefined ) {
+
+ console.warn( 'DEPRECATED: Camera hasn\'t been added to a Scene. Adding it...' );
+ scene.add( camera );
+
+ }
+
+ if ( this.autoUpdateScene ) scene.updateMatrixWorld();
+
+ // update camera matrices and frustum
+
+ if ( ! camera._viewMatrixArray ) camera._viewMatrixArray = new Float32Array( 16 );
+ if ( ! camera._projectionMatrixArray ) camera._projectionMatrixArray = new Float32Array( 16 );
+
+ camera.matrixWorldInverse.getInverse( camera.matrixWorld );
+
+ camera.matrixWorldInverse.flattenToArray( camera._viewMatrixArray );
+ camera.projectionMatrix.flattenToArray( camera._projectionMatrixArray );
+
+ _projScreenMatrix.multiply( camera.projectionMatrix, camera.matrixWorldInverse );
+ _frustum.setFromMatrix( _projScreenMatrix );
+
+ // update WebGL objects
+
+ if ( this.autoUpdateObjects ) this.initWebGLObjects( scene );
+
+ // custom render plugins (pre pass)
+
+ renderPlugins( this.renderPluginsPre, scene, camera );
+
+ //
+
+ _this.info.render.calls = 0;
+ _this.info.render.vertices = 0;
+ _this.info.render.faces = 0;
+ _this.info.render.points = 0;
+
+ this.setRenderTarget( renderTarget );
+
+ if ( this.autoClear || forceClear ) {
+
+ this.clear( this.autoClearColor, this.autoClearDepth, this.autoClearStencil );
+
+ }
+
+ // set matrices for regular objects (frustum culled)
+
+ renderList = scene.__webglObjects;
+
+ for ( i = 0, il = renderList.length; i < il; i ++ ) {
+
+ webglObject = renderList[ i ];
+ object = webglObject.object;
+
+ webglObject.render = false;
+
+ if ( object.visible ) {
+
+ if ( ! ( object instanceof THREE.Mesh || object instanceof THREE.ParticleSystem ) || ! ( object.frustumCulled ) || _frustum.contains( object ) ) {
+
+ //object.matrixWorld.flattenToArray( object._objectMatrixArray );
+
+ setupMatrices( object, camera );
+
+ unrollBufferMaterial( webglObject );
+
+ webglObject.render = true;
+
+ if ( this.sortObjects ) {
+
+ if ( object.renderDepth ) {
+
+ webglObject.z = object.renderDepth;
+
+ } else {
+
+ _vector3.copy( object.matrixWorld.getPosition() );
+ _projScreenMatrix.multiplyVector3( _vector3 );
+
+ webglObject.z = _vector3.z;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+
+ if ( this.sortObjects ) {
+
+ renderList.sort( painterSort );
+
+ }
+
+ // set matrices for immediate objects
+
+ renderList = scene.__webglObjectsImmediate;
+
+ for ( i = 0, il = renderList.length; i < il; i ++ ) {
+
+ webglObject = renderList[ i ];
+ object = webglObject.object;
+
+ if ( object.visible ) {
+
+ /*
+ if ( object.matrixAutoUpdate ) {
+
+ object.matrixWorld.flattenToArray( object._objectMatrixArray );
+
+ }
+ */
+
+ setupMatrices( object, camera );
+
+ unrollImmediateBufferMaterial( webglObject );
+
+ }
+
+ }
+
+ if ( scene.overrideMaterial ) {
+
+ var material = scene.overrideMaterial;
+
+ this.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );
+ this.setDepthTest( material.depthTest );
+ this.setDepthWrite( material.depthWrite );
+ setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );
+
+ renderObjects( scene.__webglObjects, false, "", camera, lights, fog, true, material );
+ renderObjectsImmediate( scene.__webglObjectsImmediate, "", camera, lights, fog, false, material );
+
+ } else {
+
+ // opaque pass (front-to-back order)
+
+ this.setBlending( THREE.NormalBlending );
+
+ renderObjects( scene.__webglObjects, true, "opaque", camera, lights, fog, false );
+ renderObjectsImmediate( scene.__webglObjectsImmediate, "opaque", camera, lights, fog, false );
+
+ // transparent pass (back-to-front order)
+
+ renderObjects( scene.__webglObjects, false, "transparent", camera, lights, fog, true );
+ renderObjectsImmediate( scene.__webglObjectsImmediate, "transparent", camera, lights, fog, true );
+
+ }
+
+ // custom render plugins (post pass)
+
+ renderPlugins( this.renderPluginsPost, scene, camera );
+
+
+ // Generate mipmap if we're using any kind of mipmap filtering
+
+ if ( renderTarget && renderTarget.generateMipmaps && renderTarget.minFilter !== THREE.NearestFilter && renderTarget.minFilter !== THREE.LinearFilter ) {
+
+ updateRenderTargetMipmap( renderTarget );
+
+ }
+
+ // Ensure depth buffer writing is enabled so it can be cleared on next render
+
+ this.setDepthTest( true );
+ this.setDepthWrite( true );
+
+ // _gl.finish();
+
+ };
+
+ function renderPlugins( plugins, scene, camera ) {
+
+ if ( ! plugins.length ) return;
+
+ for ( var i = 0, il = plugins.length; i < il; i ++ ) {
+
+ // reset state for plugin (to start from clean slate)
+
+ _currentProgram = null;
+ _currentCamera = null;
+
+ _oldBlending = -1;
+ _oldDepthTest = -1;
+ _oldDepthWrite = -1;
+ _oldDoubleSided = -1;
+ _oldFlipSided = -1;
+ _currentGeometryGroupHash = -1;
+ _currentMaterialId = -1;
+
+ _lightsNeedUpdate = true;
+
+ plugins[ i ].render( scene, camera, _currentWidth, _currentHeight );
+
+ // reset state after plugin (anything could have changed)
+
+ _currentProgram = null;
+ _currentCamera = null;
+
+ _oldBlending = -1;
+ _oldDepthTest = -1;
+ _oldDepthWrite = -1;
+ _oldDoubleSided = -1;
+ _oldFlipSided = -1;
+ _currentGeometryGroupHash = -1;
+ _currentMaterialId = -1;
+
+ _lightsNeedUpdate = true;
+
+ }
+
+ };
+
+ function renderObjects ( renderList, reverse, materialType, camera, lights, fog, useBlending, overrideMaterial ) {
+
+ var webglObject, object, buffer, material, start, end, delta;
+
+ if ( reverse ) {
+
+ start = renderList.length - 1;
+ end = -1;
+ delta = -1;
+
+ } else {
+
+ start = 0;
+ end = renderList.length;
+ delta = 1;
+ }
+
+ for ( var i = start; i !== end; i += delta ) {
+
+ webglObject = renderList[ i ];
+
+ if ( webglObject.render ) {
+
+ object = webglObject.object;
+ buffer = webglObject.buffer;
+
+ if ( overrideMaterial ) {
+
+ material = overrideMaterial;
+
+ } else {
+
+ material = webglObject[ materialType ];
+
+ if ( ! material ) continue;
+
+ if ( useBlending ) _this.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );
+
+ _this.setDepthTest( material.depthTest );
+ _this.setDepthWrite( material.depthWrite );
+ setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );
+
+ }
+
+ _this.setObjectFaces( object );
+
+ if ( buffer instanceof THREE.BufferGeometry ) {
+
+ _this.renderBufferDirect( camera, lights, fog, material, buffer, object );
+
+ } else {
+
+ _this.renderBuffer( camera, lights, fog, material, buffer, object );
+
+ }
+
+ }
+
+ }
+
+ };
+
+ function renderObjectsImmediate ( renderList, materialType, camera, lights, fog, useBlending, overrideMaterial ) {
+
+ var webglObject, object, material, program;
+
+ for ( var i = 0, il = renderList.length; i < il; i ++ ) {
+
+ webglObject = renderList[ i ];
+ object = webglObject.object;
+
+ if ( object.visible ) {
+
+ if ( overrideMaterial ) {
+
+ material = overrideMaterial;
+
+ } else {
+
+ material = webglObject[ materialType ];
+
+ if ( ! material ) continue;
+
+ if ( useBlending ) _this.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );
+
+ _this.setDepthTest( material.depthTest );
+ _this.setDepthWrite( material.depthWrite );
+ setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );
+
+ }
+
+ _this.renderImmediateObject( camera, lights, fog, material, object );
+
+ }
+
+ }
+
+ };
+
+ this.renderImmediateObject = function ( camera, lights, fog, material, object ) {
+
+ var program = setProgram( camera, lights, fog, material, object );
+
+ _currentGeometryGroupHash = -1;
+
+ _this.setObjectFaces( object );
+
+ if ( object.immediateRenderCallback ) {
+
+ object.immediateRenderCallback( program, _gl, _frustum );
+
+ } else {
+
+ object.render( function( object ) { _this.renderBufferImmediate( object, program, material.shading ); } );
+
+ }
+
+ };
+
+ function unrollImmediateBufferMaterial ( globject ) {
+
+ var object = globject.object,
+ material = object.material;
+
+ if ( material.transparent ) {
+
+ globject.transparent = material;
+ globject.opaque = null;
+
+ } else {
+
+ globject.opaque = material;
+ globject.transparent = null;
+
+ }
+
+ };
+
+ function unrollBufferMaterial ( globject ) {
+
+ var object = globject.object,
+ buffer = globject.buffer,
+ material, materialIndex, meshMaterial;
+
+ meshMaterial = object.material;
+
+ if ( meshMaterial instanceof THREE.MeshFaceMaterial ) {
+
+ materialIndex = buffer.materialIndex;
+
+ if ( materialIndex >= 0 ) {
+
+ material = object.geometry.materials[ materialIndex ];
+
+ if ( material.transparent ) {
+
+ globject.transparent = material;
+ globject.opaque = null;
+
+ } else {
+
+ globject.opaque = material;
+ globject.transparent = null;
+
+ }
+
+ }
+
+ } else {
+
+ material = meshMaterial;
+
+ if ( material ) {
+
+ if ( material.transparent ) {
+
+ globject.transparent = material;
+ globject.opaque = null;
+
+ } else {
+
+ globject.opaque = material;
+ globject.transparent = null;
+
+ }
+
+ }
+
+ }
+
+ };
+
+ // Geometry splitting
+
+ function sortFacesByMaterial ( geometry ) {
+
+ var f, fl, face, materialIndex, vertices,
+ materialHash, groupHash,
+ hash_map = {};
+
+ var numMorphTargets = geometry.morphTargets.length;
+ var numMorphNormals = geometry.morphNormals.length;
+
+ geometry.geometryGroups = {};
+
+ for ( f = 0, fl = geometry.faces.length; f < fl; f ++ ) {
+
+ face = geometry.faces[ f ];
+ materialIndex = face.materialIndex;
+
+ materialHash = ( materialIndex !== undefined ) ? materialIndex : -1;
+
+ if ( hash_map[ materialHash ] === undefined ) {
+
+ hash_map[ materialHash ] = { 'hash': materialHash, 'counter': 0 };
+
+ }
+
+ groupHash = hash_map[ materialHash ].hash + '_' + hash_map[ materialHash ].counter;
+
+ if ( geometry.geometryGroups[ groupHash ] === undefined ) {
+
+ geometry.geometryGroups[ groupHash ] = { 'faces3': [], 'faces4': [], 'materialIndex': materialIndex, 'vertices': 0, 'numMorphTargets': numMorphTargets, 'numMorphNormals': numMorphNormals };
+
+ }
+
+ vertices = face instanceof THREE.Face3 ? 3 : 4;
+
+ if ( geometry.geometryGroups[ groupHash ].vertices + vertices > 65535 ) {
+
+ hash_map[ materialHash ].counter += 1;
+ groupHash = hash_map[ materialHash ].hash + '_' + hash_map[ materialHash ].counter;
+
+ if ( geometry.geometryGroups[ groupHash ] === undefined ) {
+
+ geometry.geometryGroups[ groupHash ] = { 'faces3': [], 'faces4': [], 'materialIndex': materialIndex, 'vertices': 0, 'numMorphTargets': numMorphTargets, 'numMorphNormals': numMorphNormals };
+
+ }
+
+ }
+
+ if ( face instanceof THREE.Face3 ) {
+
+ geometry.geometryGroups[ groupHash ].faces3.push( f );
+
+ } else {
+
+ geometry.geometryGroups[ groupHash ].faces4.push( f );
+
+ }
+
+ geometry.geometryGroups[ groupHash ].vertices += vertices;
+
+ }
+
+ geometry.geometryGroupsList = [];
+
+ for ( var g in geometry.geometryGroups ) {
+
+ geometry.geometryGroups[ g ].id = _geometryGroupCounter ++;
+
+ geometry.geometryGroupsList.push( geometry.geometryGroups[ g ] );
+
+ }
+
+ };
+
+ // Objects refresh
+
+ this.initWebGLObjects = function ( scene ) {
+
+ if ( !scene.__webglObjects ) {
+
+ scene.__webglObjects = [];
+ scene.__webglObjectsImmediate = [];
+ scene.__webglSprites = [];
+ scene.__webglFlares = [];
+
+ }
+
+ while ( scene.__objectsAdded.length ) {
+
+ addObject( scene.__objectsAdded[ 0 ], scene );
+ scene.__objectsAdded.splice( 0, 1 );
+
+ }
+
+ while ( scene.__objectsRemoved.length ) {
+
+ removeObject( scene.__objectsRemoved[ 0 ], scene );
+ scene.__objectsRemoved.splice( 0, 1 );
+
+ }
+
+ // update must be called after objects adding / removal
+
+ for ( var o = 0, ol = scene.__webglObjects.length; o < ol; o ++ ) {
+
+ updateObject( scene.__webglObjects[ o ].object );
+
+ }
+
+ };
+
+ // Objects adding
+
+ function addObject ( object, scene ) {
+
+ var g, geometry, geometryGroup;
+
+ if ( ! object.__webglInit ) {
+
+ object.__webglInit = true;
+
+ object._modelViewMatrix = new THREE.Matrix4();
+ object._normalMatrix = new THREE.Matrix3();
+
+ //object._normalMatrixArray = new Float32Array( 9 );
+ //object._modelViewMatrixArray = new Float32Array( 16 );
+ //object._objectMatrixArray = new Float32Array( 16 );
+
+ //object.matrixWorld.flattenToArray( object._objectMatrixArray );
+
+ if ( object instanceof THREE.Mesh ) {
+
+ geometry = object.geometry;
+
+ if ( geometry instanceof THREE.Geometry ) {
+
+ if ( geometry.geometryGroups === undefined ) {
+
+ sortFacesByMaterial( geometry );
+
+ }
+
+ // create separate VBOs per geometry chunk
+
+ for ( g in geometry.geometryGroups ) {
+
+ geometryGroup = geometry.geometryGroups[ g ];
+
+ // initialise VBO on the first access
+
+ if ( ! geometryGroup.__webglVertexBuffer ) {
+
+ createMeshBuffers( geometryGroup );
+ initMeshBuffers( geometryGroup, object );
+
+ geometry.verticesNeedUpdate = true;
+ geometry.morphTargetsNeedUpdate = true;
+ geometry.elementsNeedUpdate = true;
+ geometry.uvsNeedUpdate = true;
+ geometry.normalsNeedUpdate = true;
+ geometry.tangetsNeedUpdate = true;
+ geometry.colorsNeedUpdate = true;
+
+ }
+
+ }
+
+ }
+
+ } else if ( object instanceof THREE.Ribbon ) {
+
+ geometry = object.geometry;
+
+ if( ! geometry.__webglVertexBuffer ) {
+
+ createRibbonBuffers( geometry );
+ initRibbonBuffers( geometry );
+
+ geometry.verticesNeedUpdate = true;
+ geometry.colorsNeedUpdate = true;
+
+ }
+
+ } else if ( object instanceof THREE.Line ) {
+
+ geometry = object.geometry;
+
+ if( ! geometry.__webglVertexBuffer ) {
+
+ createLineBuffers( geometry );
+ initLineBuffers( geometry, object );
+
+ geometry.verticesNeedUpdate = true;
+ geometry.colorsNeedUpdate = true;
+
+ }
+
+ } else if ( object instanceof THREE.ParticleSystem ) {
+
+ geometry = object.geometry;
+
+ if ( ! geometry.__webglVertexBuffer ) {
+
+ createParticleBuffers( geometry );
+ initParticleBuffers( geometry, object );
+
+ geometry.verticesNeedUpdate = true;
+ geometry.colorsNeedUpdate = true;
+
+ }
+
+ }
+
+ }
+
+ if ( ! object.__webglActive ) {
+
+ if ( object instanceof THREE.Mesh ) {
+
+ geometry = object.geometry;
+
+ if ( geometry instanceof THREE.BufferGeometry ) {
+
+ addBuffer( scene.__webglObjects, geometry, object );
+
+ } else {
+
+ for ( g in geometry.geometryGroups ) {
+
+ geometryGroup = geometry.geometryGroups[ g ];
+
+ addBuffer( scene.__webglObjects, geometryGroup, object );
+
+ }
+
+ }
+
+ } else if ( object instanceof THREE.Ribbon ||
+ object instanceof THREE.Line ||
+ object instanceof THREE.ParticleSystem ) {
+
+ geometry = object.geometry;
+ addBuffer( scene.__webglObjects, geometry, object );
+
+ } else if ( object instanceof THREE.ImmediateRenderObject || object.immediateRenderCallback ) {
+
+ addBufferImmediate( scene.__webglObjectsImmediate, object );
+
+ } else if ( object instanceof THREE.Sprite ) {
+
+ scene.__webglSprites.push( object );
+
+ } else if ( object instanceof THREE.LensFlare ) {
+
+ scene.__webglFlares.push( object );
+
+ }
+
+ object.__webglActive = true;
+
+ }
+
+ };
+
+ function addBuffer ( objlist, buffer, object ) {
+
+ objlist.push(
+ {
+ buffer: buffer,
+ object: object,
+ opaque: null,
+ transparent: null
+ }
+ );
+
+ };
+
+ function addBufferImmediate ( objlist, object ) {
+
+ objlist.push(
+ {
+ object: object,
+ opaque: null,
+ transparent: null
+ }
+ );
+
+ };
+
+ // Objects updates
+
+ function updateObject ( object ) {
+
+ var geometry = object.geometry,
+ geometryGroup, customAttributesDirty, material;
+
+ if ( object instanceof THREE.Mesh ) {
+
+ if ( geometry instanceof THREE.BufferGeometry ) {
+
+ /*
+ if ( geometry.verticesNeedUpdate || geometry.elementsNeedUpdate ||
+ geometry.uvsNeedUpdate || geometry.normalsNeedUpdate ||
+ geometry.colorsNeedUpdate ) {
+
+ // TODO
+ // set buffers from typed arrays
+
+ }
+ */
+
+ geometry.verticesNeedUpdate = false;
+ geometry.elementsNeedUpdate = false;
+ geometry.uvsNeedUpdate = false;
+ geometry.normalsNeedUpdate = false;
+ geometry.colorsNeedUpdate = false;
+
+ } else {
+
+ // check all geometry groups
+
+ for( var i = 0, il = geometry.geometryGroupsList.length; i < il; i ++ ) {
+
+ geometryGroup = geometry.geometryGroupsList[ i ];
+
+ material = getBufferMaterial( object, geometryGroup );
+
+ customAttributesDirty = material.attributes && areCustomAttributesDirty( material );
+
+ if ( geometry.verticesNeedUpdate || geometry.morphTargetsNeedUpdate || geometry.elementsNeedUpdate ||
+ geometry.uvsNeedUpdate || geometry.normalsNeedUpdate ||
+ geometry.colorsNeedUpdate || geometry.tangetsNeedUpdate || customAttributesDirty ) {
+
+ setMeshBuffers( geometryGroup, object, _gl.DYNAMIC_DRAW, !geometry.dynamic, material );
+
+ }
+
+ }
+
+ geometry.verticesNeedUpdate = false;
+ geometry.morphTargetsNeedUpdate = false;
+ geometry.elementsNeedUpdate = false;
+ geometry.uvsNeedUpdate = false;
+ geometry.normalsNeedUpdate = false;
+ geometry.colorsNeedUpdate = false;
+ geometry.tangetsNeedUpdate = false;
+
+ material.attributes && clearCustomAttributes( material );
+
+ }
+
+ } else if ( object instanceof THREE.Ribbon ) {
+
+ if ( geometry.verticesNeedUpdate || geometry.colorsNeedUpdate ) {
+
+ setRibbonBuffers( geometry, _gl.DYNAMIC_DRAW );
+
+ }
+
+ geometry.verticesNeedUpdate = false;
+ geometry.colorsNeedUpdate = false;
+
+ } else if ( object instanceof THREE.Line ) {
+
+ material = getBufferMaterial( object, geometryGroup );
+
+ customAttributesDirty = material.attributes && areCustomAttributesDirty( material );
+
+ if ( geometry.verticesNeedUpdate || geometry.colorsNeedUpdate || customAttributesDirty ) {
+
+ setLineBuffers( geometry, _gl.DYNAMIC_DRAW );
+
+ }
+
+ geometry.verticesNeedUpdate = false;
+ geometry.colorsNeedUpdate = false;
+
+ material.attributes && clearCustomAttributes( material );
+
+ } else if ( object instanceof THREE.ParticleSystem ) {
+
+ material = getBufferMaterial( object, geometryGroup );
+
+ customAttributesDirty = material.attributes && areCustomAttributesDirty( material );
+
+ if ( geometry.verticesNeedUpdate || geometry.colorsNeedUpdate || object.sortParticles || customAttributesDirty ) {
+
+ setParticleBuffers( geometry, _gl.DYNAMIC_DRAW, object );
+
+ }
+
+ geometry.verticesNeedUpdate = false;
+ geometry.colorsNeedUpdate = false;
+
+ material.attributes && clearCustomAttributes( material );
+
+ }
+
+ };
+
+ // Objects updates - custom attributes check
+
+ function areCustomAttributesDirty ( material ) {
+
+ for ( var a in material.attributes ) {
+
+ if ( material.attributes[ a ].needsUpdate ) return true;
+
+ }
+
+ return false;
+
+ };
+
+ function clearCustomAttributes ( material ) {
+
+ for ( var a in material.attributes ) {
+
+ material.attributes[ a ].needsUpdate = false;
+
+ }
+
+ };
+
+ // Objects removal
+
+ function removeObject ( object, scene ) {
+
+ if ( object instanceof THREE.Mesh ||
+ object instanceof THREE.ParticleSystem ||
+ object instanceof THREE.Ribbon ||
+ object instanceof THREE.Line ) {
+
+ removeInstances( scene.__webglObjects, object );
+
+ } else if ( object instanceof THREE.Sprite ) {
+
+ removeInstancesDirect( scene.__webglSprites, object );
+
+ } else if ( object instanceof THREE.LensFlare ) {
+
+ removeInstancesDirect( scene.__webglFlares, object );
+
+ } else if ( object instanceof THREE.ImmediateRenderObject || object.immediateRenderCallback ) {
+
+ removeInstances( scene.__webglObjectsImmediate, object );
+
+ }
+
+ object.__webglActive = false;
+
+ };
+
+ function removeInstances ( objlist, object ) {
+
+ for ( var o = objlist.length - 1; o >= 0; o -- ) {
+
+ if ( objlist[ o ].object === object ) {
+
+ objlist.splice( o, 1 );
+
+ }
+
+ }
+
+ };
+
+ function removeInstancesDirect ( objlist, object ) {
+
+ for ( var o = objlist.length - 1; o >= 0; o -- ) {
+
+ if ( objlist[ o ] === object ) {
+
+ objlist.splice( o, 1 );
+
+ }
+
+ }
+
+ };
+
+ // Materials
+
+ this.initMaterial = function ( material, lights, fog, object ) {
+
+ var u, a, identifiers, i, parameters, maxLightCount, maxBones, maxShadows, shaderID;
+
+ if ( material instanceof THREE.MeshDepthMaterial ) {
+
+ shaderID = 'depth';
+
+ } else if ( material instanceof THREE.MeshNormalMaterial ) {
+
+ shaderID = 'normal';
+
+ } else if ( material instanceof THREE.MeshBasicMaterial ) {
+
+ shaderID = 'basic';
+
+ } else if ( material instanceof THREE.MeshLambertMaterial ) {
+
+ shaderID = 'lambert';
+
+ } else if ( material instanceof THREE.MeshPhongMaterial ) {
+
+ shaderID = 'phong';
+
+ } else if ( material instanceof THREE.LineBasicMaterial ) {
+
+ shaderID = 'basic';
+
+ } else if ( material instanceof THREE.ParticleBasicMaterial ) {
+
+ shaderID = 'particle_basic';
+
+ }
+
+ if ( shaderID ) {
+
+ setMaterialShaders( material, THREE.ShaderLib[ shaderID ] );
+
+ }
+
+ // heuristics to create shader parameters according to lights in the scene
+ // (not to blow over maxLights budget)
+
+ maxLightCount = allocateLights( lights );
+
+ maxShadows = allocateShadows( lights );
+
+ maxBones = allocateBones( object );
+
+ parameters = {
+
+ map: !!material.map,
+ envMap: !!material.envMap,
+ lightMap: !!material.lightMap,
+
+ vertexColors: material.vertexColors,
+
+ fog: fog,
+ useFog: material.fog,
+
+ sizeAttenuation: material.sizeAttenuation,
+
+ skinning: material.skinning,
+ maxBones: maxBones,
+
+ morphTargets: material.morphTargets,
+ morphNormals: material.morphNormals,
+ maxMorphTargets: this.maxMorphTargets,
+ maxMorphNormals: this.maxMorphNormals,
+
+ maxDirLights: maxLightCount.directional,
+ maxPointLights: maxLightCount.point,
+ maxSpotLights: maxLightCount.spot,
+
+ maxShadows: maxShadows,
+ shadowMapEnabled: this.shadowMapEnabled && object.receiveShadow,
+ shadowMapSoft: this.shadowMapSoft,
+ shadowMapDebug: this.shadowMapDebug,
+ shadowMapCascade: this.shadowMapCascade,
+
+ alphaTest: material.alphaTest,
+ metal: material.metal,
+ perPixel: material.perPixel,
+ wrapAround: material.wrapAround,
+ doubleSided: object && object.doubleSided
+
+ };
+
+ material.program = buildProgram( shaderID, material.fragmentShader, material.vertexShader, material.uniforms, material.attributes, parameters );
+
+ var attributes = material.program.attributes;
+
+ if ( attributes.position >= 0 ) _gl.enableVertexAttribArray( attributes.position );
+ if ( attributes.color >= 0 ) _gl.enableVertexAttribArray( attributes.color );
+ if ( attributes.normal >= 0 ) _gl.enableVertexAttribArray( attributes.normal );
+ if ( attributes.tangent >= 0 ) _gl.enableVertexAttribArray( attributes.tangent );
+
+ if ( material.skinning &&
+ attributes.skinVertexA >=0 && attributes.skinVertexB >= 0 &&
+ attributes.skinIndex >= 0 && attributes.skinWeight >= 0 ) {
+
+ _gl.enableVertexAttribArray( attributes.skinVertexA );
+ _gl.enableVertexAttribArray( attributes.skinVertexB );
+ _gl.enableVertexAttribArray( attributes.skinIndex );
+ _gl.enableVertexAttribArray( attributes.skinWeight );
+
+ }
+
+ if ( material.attributes ) {
+
+ for ( a in material.attributes ) {
+
+ if( attributes[ a ] !== undefined && attributes[ a ] >= 0 ) _gl.enableVertexAttribArray( attributes[ a ] );
+
+ }
+
+ }
+
+ if ( material.morphTargets ) {
+
+ material.numSupportedMorphTargets = 0;
+
+ var id, base = "morphTarget";
+
+ for ( i = 0; i < this.maxMorphTargets; i ++ ) {
+
+ id = base + i;
+
+ if ( attributes[ id ] >= 0 ) {
+
+ _gl.enableVertexAttribArray( attributes[ id ] );
+ material.numSupportedMorphTargets ++;
+
+ }
+
+ }
+
+ }
+
+ if ( material.morphNormals ) {
+
+ material.numSupportedMorphNormals = 0;
+
+ var id, base = "morphNormal";
+
+ for ( i = 0; i < this.maxMorphNormals; i ++ ) {
+
+ id = base + i;
+
+ if ( attributes[ id ] >= 0 ) {
+
+ _gl.enableVertexAttribArray( attributes[ id ] );
+ material.numSupportedMorphNormals ++;
+
+ }
+
+ }
+
+ }
+
+ material.uniformsList = [];
+
+ for ( u in material.uniforms ) {
+
+ material.uniformsList.push( [ material.uniforms[ u ], u ] );
+
+ }
+
+ };
+
+ function setMaterialShaders( material, shaders ) {
+
+ material.uniforms = THREE.UniformsUtils.clone( shaders.uniforms );
+ material.vertexShader = shaders.vertexShader;
+ material.fragmentShader = shaders.fragmentShader;
+
+ };
+
+ function setProgram( camera, lights, fog, material, object ) {
+
+ if ( ! material.program || material.needsUpdate ) {
+
+ _this.initMaterial( material, lights, fog, object );
+ material.needsUpdate = false;
+
+ }
+
+ if ( material.morphTargets ) {
+
+ if ( ! object.__webglMorphTargetInfluences ) {
+
+ object.__webglMorphTargetInfluences = new Float32Array( _this.maxMorphTargets );
+
+ for ( var i = 0, il = _this.maxMorphTargets; i < il; i ++ ) {
+
+ object.__webglMorphTargetInfluences[ i ] = 0;
+
+ }
+
+ }
+
+ }
+
+ var refreshMaterial = false;
+
+ var program = material.program,
+ p_uniforms = program.uniforms,
+ m_uniforms = material.uniforms;
+
+ if ( program !== _currentProgram ) {
+
+ _gl.useProgram( program );
+ _currentProgram = program;
+
+ refreshMaterial = true;
+
+ }
+
+ if ( material.id !== _currentMaterialId ) {
+
+ _currentMaterialId = material.id;
+ refreshMaterial = true;
+
+ }
+
+ if ( refreshMaterial || camera !== _currentCamera ) {
+
+ _gl.uniformMatrix4fv( p_uniforms.projectionMatrix, false, camera._projectionMatrixArray );
+
+ if ( camera !== _currentCamera ) _currentCamera = camera;
+
+ }
+
+ if ( refreshMaterial ) {
+
+ // refresh uniforms common to several materials
+
+ if ( fog && material.fog ) {
+
+ refreshUniformsFog( m_uniforms, fog );
+
+ }
+
+ if ( material instanceof THREE.MeshPhongMaterial ||
+ material instanceof THREE.MeshLambertMaterial ||
+ material.lights ) {
+
+ if ( _lightsNeedUpdate ) {
+
+ setupLights( program, lights );
+ _lightsNeedUpdate = false;
+
+ }
+
+ refreshUniformsLights( m_uniforms, _lights );
+
+ }
+
+ if ( material instanceof THREE.MeshBasicMaterial ||
+ material instanceof THREE.MeshLambertMaterial ||
+ material instanceof THREE.MeshPhongMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+
+ }
+
+ // refresh single material specific uniforms
+
+ if ( material instanceof THREE.LineBasicMaterial ) {
+
+ refreshUniformsLine( m_uniforms, material );
+
+ } else if ( material instanceof THREE.ParticleBasicMaterial ) {
+
+ refreshUniformsParticle( m_uniforms, material );
+
+ } else if ( material instanceof THREE.MeshPhongMaterial ) {
+
+ refreshUniformsPhong( m_uniforms, material );
+
+ } else if ( material instanceof THREE.MeshLambertMaterial ) {
+
+ refreshUniformsLambert( m_uniforms, material );
+
+ } else if ( material instanceof THREE.MeshDepthMaterial ) {
+
+ m_uniforms.mNear.value = camera.near;
+ m_uniforms.mFar.value = camera.far;
+ m_uniforms.opacity.value = material.opacity;
+
+ } else if ( material instanceof THREE.MeshNormalMaterial ) {
+
+ m_uniforms.opacity.value = material.opacity;
+
+ }
+
+ if ( object.receiveShadow && ! material._shadowPass ) {
+
+ refreshUniformsShadow( m_uniforms, lights );
+
+ }
+
+ // load common uniforms
+
+ loadUniformsGeneric( program, material.uniformsList );
+
+ // load material specific uniforms
+ // (shader material also gets them for the sake of genericity)
+
+ if ( material instanceof THREE.ShaderMaterial ||
+ material instanceof THREE.MeshPhongMaterial ||
+ material.envMap ) {
+
+ if ( p_uniforms.cameraPosition !== null ) {
+
+ var position = camera.matrixWorld.getPosition();
+ _gl.uniform3f( p_uniforms.cameraPosition, position.x, position.y, position.z );
+
+ }
+
+ }
+
+ if ( material instanceof THREE.MeshPhongMaterial ||
+ material instanceof THREE.MeshLambertMaterial ||
+ material instanceof THREE.ShaderMaterial ||
+ material.skinning ) {
+
+ if ( p_uniforms.viewMatrix !== null ) {
+
+ _gl.uniformMatrix4fv( p_uniforms.viewMatrix, false, camera._viewMatrixArray );
+
+ }
+
+ }
+
+ if ( material.skinning ) {
+
+ _gl.uniformMatrix4fv( p_uniforms.boneGlobalMatrices, false, object.boneMatrices );
+
+ }
+
+ }
+
+ loadUniformsMatrices( p_uniforms, object );
+
+ if ( p_uniforms.objectMatrix !== null ) {
+
+ _gl.uniformMatrix4fv( p_uniforms.objectMatrix, false, object.matrixWorld.elements );
+
+ }
+
+ return program;
+
+ };
+
+ // Uniforms (refresh uniforms objects)
+
+ function refreshUniformsCommon ( uniforms, material ) {
+
+ uniforms.opacity.value = material.opacity;
+
+ if ( _this.gammaInput ) {
+
+ uniforms.diffuse.value.copyGammaToLinear( material.color );
+
+ } else {
+
+ uniforms.diffuse.value = material.color;
+
+ }
+
+ uniforms.map.texture = material.map;
+
+ if ( material.map ) {
+
+ uniforms.offsetRepeat.value.set( material.map.offset.x, material.map.offset.y, material.map.repeat.x, material.map.repeat.y );
+
+ }
+
+ uniforms.lightMap.texture = material.lightMap;
+
+ uniforms.envMap.texture = material.envMap;
+ uniforms.flipEnvMap.value = ( material.envMap instanceof THREE.WebGLRenderTargetCube ) ? 1 : -1;
+
+ if ( _this.gammaInput ) {
+
+ //uniforms.reflectivity.value = material.reflectivity * material.reflectivity;
+ uniforms.reflectivity.value = material.reflectivity;
+
+ } else {
+
+ uniforms.reflectivity.value = material.reflectivity;
+
+ }
+
+ uniforms.refractionRatio.value = material.refractionRatio;
+ uniforms.combine.value = material.combine;
+ uniforms.useRefract.value = material.envMap && material.envMap.mapping instanceof THREE.CubeRefractionMapping;
+
+ };
+
+ function refreshUniformsLine ( uniforms, material ) {
+
+ uniforms.diffuse.value = material.color;
+ uniforms.opacity.value = material.opacity;
+
+ };
+
+ function refreshUniformsParticle ( uniforms, material ) {
+
+ uniforms.psColor.value = material.color;
+ uniforms.opacity.value = material.opacity;
+ uniforms.size.value = material.size;
+ uniforms.scale.value = _canvas.height / 2.0; // TODO: Cache this.
+
+ uniforms.map.texture = material.map;
+
+ };
+
+ function refreshUniformsFog ( uniforms, fog ) {
+
+ uniforms.fogColor.value = fog.color;
+
+ if ( fog instanceof THREE.Fog ) {
+
+ uniforms.fogNear.value = fog.near;
+ uniforms.fogFar.value = fog.far;
+
+ } else if ( fog instanceof THREE.FogExp2 ) {
+
+ uniforms.fogDensity.value = fog.density;
+
+ }
+
+ };
+
+ function refreshUniformsPhong ( uniforms, material ) {
+
+ uniforms.shininess.value = material.shininess;
+
+ if ( _this.gammaInput ) {
+
+ uniforms.ambient.value.copyGammaToLinear( material.ambient );
+ uniforms.emissive.value.copyGammaToLinear( material.emissive );
+ uniforms.specular.value.copyGammaToLinear( material.specular );
+
+ } else {
+
+ uniforms.ambient.value = material.ambient;
+ uniforms.emissive.value = material.emissive;
+ uniforms.specular.value = material.specular;
+
+ }
+
+ if ( material.wrapAround ) {
+
+ uniforms.wrapRGB.value.copy( material.wrapRGB );
+
+ }
+
+ };
+
+ function refreshUniformsLambert ( uniforms, material ) {
+
+ if ( _this.gammaInput ) {
+
+ uniforms.ambient.value.copyGammaToLinear( material.ambient );
+ uniforms.emissive.value.copyGammaToLinear( material.emissive );
+
+ } else {
+
+ uniforms.ambient.value = material.ambient;
+ uniforms.emissive.value = material.emissive;
+
+ }
+
+ if ( material.wrapAround ) {
+
+ uniforms.wrapRGB.value.copy( material.wrapRGB );
+
+ }
+
+ };
+
+ function refreshUniformsLights ( uniforms, lights ) {
+
+ uniforms.ambientLightColor.value = lights.ambient;
+
+ uniforms.directionalLightColor.value = lights.directional.colors;
+ uniforms.directionalLightDirection.value = lights.directional.positions;
+
+ uniforms.pointLightColor.value = lights.point.colors;
+ uniforms.pointLightPosition.value = lights.point.positions;
+ uniforms.pointLightDistance.value = lights.point.distances;
+
+ uniforms.spotLightColor.value = lights.spot.colors;
+ uniforms.spotLightPosition.value = lights.spot.positions;
+ uniforms.spotLightDistance.value = lights.spot.distances;
+ uniforms.spotLightDirection.value = lights.spot.directions;
+ uniforms.spotLightAngle.value = lights.spot.angles;
+ uniforms.spotLightExponent.value = lights.spot.exponents;
+
+ };
+
+ function refreshUniformsShadow ( uniforms, lights ) {
+
+ if ( uniforms.shadowMatrix ) {
+
+ var j = 0;
+
+ for ( var i = 0, il = lights.length; i < il; i ++ ) {
+
+ var light = lights[ i ];
+
+ if ( ! light.castShadow ) continue;
+
+ if ( light instanceof THREE.SpotLight || ( light instanceof THREE.DirectionalLight && ! light.shadowCascade ) ) {
+
+ uniforms.shadowMap.texture[ j ] = light.shadowMap;
+ uniforms.shadowMapSize.value[ j ] = light.shadowMapSize;
+
+ uniforms.shadowMatrix.value[ j ] = light.shadowMatrix;
+
+ uniforms.shadowDarkness.value[ j ] = light.shadowDarkness;
+ uniforms.shadowBias.value[ j ] = light.shadowBias;
+
+ j ++;
+
+ }
+
+ }
+
+ }
+
+ };
+
+ // Uniforms (load to GPU)
+
+ function loadUniformsMatrices ( uniforms, object ) {
+
+ _gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, object._modelViewMatrix.elements );
+
+ if ( uniforms.normalMatrix ) {
+
+ _gl.uniformMatrix3fv( uniforms.normalMatrix, false, object._normalMatrix.elements );
+
+ }
+
+ };
+
+ function loadUniformsGeneric ( program, uniforms ) {
+
+ var uniform, value, type, location, texture, i, il, j, jl, offset;
+
+ for ( j = 0, jl = uniforms.length; j < jl; j ++ ) {
+
+ location = program.uniforms[ uniforms[ j ][ 1 ] ];
+ if ( !location ) continue;
+
+ uniform = uniforms[ j ][ 0 ];
+
+ type = uniform.type;
+ value = uniform.value;
+
+ switch ( type ) {
+
+ case "i": // single integer
+
+ _gl.uniform1i( location, value );
+
+ break;
+
+ case "f": // single float
+
+ _gl.uniform1f( location, value );
+
+ break;
+
+ case "v2": // single THREE.Vector2
+
+ _gl.uniform2f( location, value.x, value.y );
+
+ break;
+
+ case "v3": // single THREE.Vector3
+
+ _gl.uniform3f( location, value.x, value.y, value.z );
+
+ break;
+
+ case "v4": // single THREE.Vector4
+
+ _gl.uniform4f( location, value.x, value.y, value.z, value.w );
+
+ break;
+
+ case "c": // single THREE.Color
+
+ _gl.uniform3f( location, value.r, value.g, value.b );
+
+ break;
+
+ case "fv1": // flat array of floats (JS or typed array)
+
+ _gl.uniform1fv( location, value );
+
+ break;
+
+ case "fv": // flat array of floats with 3 x N size (JS or typed array)
+
+ _gl.uniform3fv( location, value );
+
+ break;
+
+ case "v2v": // array of THREE.Vector2
+
+ if ( ! uniform._array ) {
+
+ uniform._array = new Float32Array( 2 * value.length );
+
+ }
+
+ for ( i = 0, il = value.length; i < il; i ++ ) {
+
+ offset = i * 2;
+
+ uniform._array[ offset ] = value[ i ].x;
+ uniform._array[ offset + 1 ] = value[ i ].y;
+
+ }
+
+ _gl.uniform2fv( location, uniform._array );
+
+ break;
+
+ case "v3v": // array of THREE.Vector3
+
+ if ( ! uniform._array ) {
+
+ uniform._array = new Float32Array( 3 * value.length );
+
+ }
+
+ for ( i = 0, il = value.length; i < il; i ++ ) {
+
+ offset = i * 3;
+
+ uniform._array[ offset ] = value[ i ].x;
+ uniform._array[ offset + 1 ] = value[ i ].y;
+ uniform._array[ offset + 2 ] = value[ i ].z;
+
+ }
+
+ _gl.uniform3fv( location, uniform._array );
+
+ break;
+
+ case "v4v": // array of THREE.Vector4
+
+ if ( ! uniform._array ) {
+
+ uniform._array = new Float32Array( 4 * value.length );
+
+ }
+
+ for ( i = 0, il = value.length; i < il; i ++ ) {
+
+ offset = i * 4;
+
+ uniform._array[ offset ] = value[ i ].x;
+ uniform._array[ offset + 1 ] = value[ i ].y;
+ uniform._array[ offset + 2 ] = value[ i ].z;
+ uniform._array[ offset + 3 ] = value[ i ].w;
+
+ }
+
+ _gl.uniform4fv( location, uniform._array );
+
+ break;
+
+ case "m4": // single THREE.Matrix4
+
+ if ( ! uniform._array ) {
+
+ uniform._array = new Float32Array( 16 );
+
+ }
+
+ value.flattenToArray( uniform._array );
+ _gl.uniformMatrix4fv( location, false, uniform._array );
+
+ break;
+
+ case "m4v": // array of THREE.Matrix4
+
+ if ( ! uniform._array ) {
+
+ uniform._array = new Float32Array( 16 * value.length );
+
+ }
+
+ for ( i = 0, il = value.length; i < il; i ++ ) {
+
+ value[ i ].flattenToArrayOffset( uniform._array, i * 16 );
+
+ }
+
+ _gl.uniformMatrix4fv( location, false, uniform._array );
+
+ break;
+
+ case "t": // single THREE.Texture (2d or cube)
+
+ _gl.uniform1i( location, value );
+
+ texture = uniform.texture;
+
+ if ( !texture ) continue;
+
+ if ( texture.image instanceof Array && texture.image.length === 6 ) {
+
+ setCubeTexture( texture, value );
+
+ } else if ( texture instanceof THREE.WebGLRenderTargetCube ) {
+
+ setCubeTextureDynamic( texture, value );
+
+ } else {
+
+ _this.setTexture( texture, value );
+
+ }
+
+ break;
+
+ case "tv": // array of THREE.Texture (2d)
+
+ if ( ! uniform._array ) {
+
+ uniform._array = [];
+
+ for( i = 0, il = uniform.texture.length; i < il; i ++ ) {
+
+ uniform._array[ i ] = value + i;
+
+ }
+
+ }
+
+ _gl.uniform1iv( location, uniform._array );
+
+ for( i = 0, il = uniform.texture.length; i < il; i ++ ) {
+
+ texture = uniform.texture[ i ];
+
+ if ( !texture ) continue;
+
+ _this.setTexture( texture, uniform._array[ i ] );
+
+ }
+
+ break;
+
+ }
+
+ }
+
+ };
+
+ function setupMatrices ( object, camera ) {
+
+ object._modelViewMatrix.multiply( camera.matrixWorldInverse, object.matrixWorld);
+
+ object._normalMatrix.getInverse( object._modelViewMatrix );
+ object._normalMatrix.transpose();
+
+ };
+
+ function setupLights ( program, lights ) {
+
+ var l, ll, light, n,
+ r = 0, g = 0, b = 0,
+ color, position, intensity, distance,
+
+ zlights = _lights,
+
+ dcolors = zlights.directional.colors,
+ dpositions = zlights.directional.positions,
+
+ pcolors = zlights.point.colors,
+ ppositions = zlights.point.positions,
+ pdistances = zlights.point.distances,
+
+ scolors = zlights.spot.colors,
+ spositions = zlights.spot.positions,
+ sdistances = zlights.spot.distances,
+ sdirections = zlights.spot.directions,
+ sangles = zlights.spot.angles,
+ sexponents = zlights.spot.exponents,
+
+ dlength = 0,
+ plength = 0,
+ slength = 0,
+
+ doffset = 0,
+ poffset = 0,
+ soffset = 0;
+
+ for ( l = 0, ll = lights.length; l < ll; l ++ ) {
+
+ light = lights[ l ];
+
+ if ( light.onlyShadow ) continue;
+
+ color = light.color;
+ intensity = light.intensity;
+ distance = light.distance;
+
+ if ( light instanceof THREE.AmbientLight ) {
+
+ if ( _this.gammaInput ) {
+
+ r += color.r * color.r;
+ g += color.g * color.g;
+ b += color.b * color.b;
+
+ } else {
+
+ r += color.r;
+ g += color.g;
+ b += color.b;
+
+ }
+
+ } else if ( light instanceof THREE.DirectionalLight ) {
+
+ doffset = dlength * 3;
+
+ if ( _this.gammaInput ) {
+
+ dcolors[ doffset ] = color.r * color.r * intensity * intensity;
+ dcolors[ doffset + 1 ] = color.g * color.g * intensity * intensity;
+ dcolors[ doffset + 2 ] = color.b * color.b * intensity * intensity;
+
+ } else {
+
+ dcolors[ doffset ] = color.r * intensity;
+ dcolors[ doffset + 1 ] = color.g * intensity;
+ dcolors[ doffset + 2 ] = color.b * intensity;
+
+ }
+
+ _direction.copy( light.matrixWorld.getPosition() );
+ _direction.subSelf( light.target.matrixWorld.getPosition() );
+ _direction.normalize();
+
+ dpositions[ doffset ] = _direction.x;
+ dpositions[ doffset + 1 ] = _direction.y;
+ dpositions[ doffset + 2 ] = _direction.z;
+
+ dlength += 1;
+
+ } else if( light instanceof THREE.PointLight ) {
+
+ poffset = plength * 3;
+
+ if ( _this.gammaInput ) {
+
+ pcolors[ poffset ] = color.r * color.r * intensity * intensity;
+ pcolors[ poffset + 1 ] = color.g * color.g * intensity * intensity;
+ pcolors[ poffset + 2 ] = color.b * color.b * intensity * intensity;
+
+ } else {
+
+ pcolors[ poffset ] = color.r * intensity;
+ pcolors[ poffset + 1 ] = color.g * intensity;
+ pcolors[ poffset + 2 ] = color.b * intensity;
+
+ }
+
+ position = light.matrixWorld.getPosition();
+
+ ppositions[ poffset ] = position.x;
+ ppositions[ poffset + 1 ] = position.y;
+ ppositions[ poffset + 2 ] = position.z;
+
+ pdistances[ plength ] = distance;
+
+ plength += 1;
+
+ } else if( light instanceof THREE.SpotLight ) {
+
+ soffset = slength * 3;
+
+ if ( _this.gammaInput ) {
+
+ scolors[ soffset ] = color.r * color.r * intensity * intensity;
+ scolors[ soffset + 1 ] = color.g * color.g * intensity * intensity;
+ scolors[ soffset + 2 ] = color.b * color.b * intensity * intensity;
+
+ } else {
+
+ scolors[ soffset ] = color.r * intensity;
+ scolors[ soffset + 1 ] = color.g * intensity;
+ scolors[ soffset + 2 ] = color.b * intensity;
+
+ }
+
+ position = light.matrixWorld.getPosition();
+
+ spositions[ soffset ] = position.x;
+ spositions[ soffset + 1 ] = position.y;
+ spositions[ soffset + 2 ] = position.z;
+
+ sdistances[ slength ] = distance;
+
+ _direction.copy( position );
+ _direction.subSelf( light.target.matrixWorld.getPosition() );
+ _direction.normalize();
+
+ sdirections[ soffset ] = _direction.x;
+ sdirections[ soffset + 1 ] = _direction.y;
+ sdirections[ soffset + 2 ] = _direction.z;
+
+ sangles[ slength ] = Math.cos( light.angle );
+ sexponents[ slength ] = light.exponent;
+
+ slength += 1;
+
+ }
+
+ }
+
+ // null eventual remains from removed lights
+ // (this is to avoid if in shader)
+
+ for ( l = dlength * 3, ll = dcolors.length; l < ll; l ++ ) dcolors[ l ] = 0.0;
+ for ( l = plength * 3, ll = pcolors.length; l < ll; l ++ ) pcolors[ l ] = 0.0;
+ for ( l = slength * 3, ll = scolors.length; l < ll; l ++ ) scolors[ l ] = 0.0;
+
+ zlights.directional.length = dlength;
+ zlights.point.length = plength;
+ zlights.spot.length = slength;
+
+ zlights.ambient[ 0 ] = r;
+ zlights.ambient[ 1 ] = g;
+ zlights.ambient[ 2 ] = b;
+
+ };
+
+ // GL state setting
+
+ this.setFaceCulling = function ( cullFace, frontFace ) {
+
+ if ( cullFace ) {
+
+ if ( !frontFace || frontFace === "ccw" ) {
+
+ _gl.frontFace( _gl.CCW );
+
+ } else {
+
+ _gl.frontFace( _gl.CW );
+
+ }
+
+ if( cullFace === "back" ) {
+
+ _gl.cullFace( _gl.BACK );
+
+ } else if( cullFace === "front" ) {
+
+ _gl.cullFace( _gl.FRONT );
+
+ } else {
+
+ _gl.cullFace( _gl.FRONT_AND_BACK );
+
+ }
+
+ _gl.enable( _gl.CULL_FACE );
+
+ } else {
+
+ _gl.disable( _gl.CULL_FACE );
+
+ }
+
+ };
+
+ this.setObjectFaces = function ( object ) {
+
+ if ( _oldDoubleSided !== object.doubleSided ) {
+
+ if ( object.doubleSided ) {
+
+ _gl.disable( _gl.CULL_FACE );
+
+ } else {
+
+ _gl.enable( _gl.CULL_FACE );
+
+ }
+
+ _oldDoubleSided = object.doubleSided;
+
+ }
+
+ if ( _oldFlipSided !== object.flipSided ) {
+
+ if ( object.flipSided ) {
+
+ _gl.frontFace( _gl.CW );
+
+ } else {
+
+ _gl.frontFace( _gl.CCW );
+
+ }
+
+ _oldFlipSided = object.flipSided;
+
+ }
+
+ };
+
+ this.setDepthTest = function ( depthTest ) {
+
+ if ( _oldDepthTest !== depthTest ) {
+
+ if ( depthTest ) {
+
+ _gl.enable( _gl.DEPTH_TEST );
+
+ } else {
+
+ _gl.disable( _gl.DEPTH_TEST );
+
+ }
+
+ _oldDepthTest = depthTest;
+
+ }
+
+ };
+
+ this.setDepthWrite = function ( depthWrite ) {
+
+ if ( _oldDepthWrite !== depthWrite ) {
+
+ _gl.depthMask( depthWrite );
+ _oldDepthWrite = depthWrite;
+
+ }
+
+ };
+
+ function setLineWidth ( width ) {
+
+ if ( width !== _oldLineWidth ) {
+
+ _gl.lineWidth( width );
+
+ _oldLineWidth = width;
+
+ }
+
+ };
+
+ function setPolygonOffset ( polygonoffset, factor, units ) {
+
+ if ( _oldPolygonOffset !== polygonoffset ) {
+
+ if ( polygonoffset ) {
+
+ _gl.enable( _gl.POLYGON_OFFSET_FILL );
+
+ } else {
+
+ _gl.disable( _gl.POLYGON_OFFSET_FILL );
+
+ }
+
+ _oldPolygonOffset = polygonoffset;
+
+ }
+
+ if ( polygonoffset && ( _oldPolygonOffsetFactor !== factor || _oldPolygonOffsetUnits !== units ) ) {
+
+ _gl.polygonOffset( factor, units );
+
+ _oldPolygonOffsetFactor = factor;
+ _oldPolygonOffsetUnits = units;
+
+ }
+
+ };
+
+ this.setBlending = function ( blending, blendEquation, blendSrc, blendDst ) {
+
+ if ( blending !== _oldBlending ) {
+
+ switch ( blending ) {
+
+ case THREE.NoBlending:
+
+ _gl.disable( _gl.BLEND );
+
+ break;
+
+ case THREE.AdditiveBlending:
+
+ _gl.enable( _gl.BLEND );
+ _gl.blendEquation( _gl.FUNC_ADD );
+ _gl.blendFunc( _gl.SRC_ALPHA, _gl.ONE );
+
+ break;
+
+ case THREE.SubtractiveBlending:
+
+ // TODO: Find blendFuncSeparate() combination
+ _gl.enable( _gl.BLEND );
+ _gl.blendEquation( _gl.FUNC_ADD );
+ _gl.blendFunc( _gl.ZERO, _gl.ONE_MINUS_SRC_COLOR );
+
+ break;
+
+ case THREE.MultiplyBlending:
+
+ // TODO: Find blendFuncSeparate() combination
+ _gl.enable( _gl.BLEND );
+ _gl.blendEquation( _gl.FUNC_ADD );
+ _gl.blendFunc( _gl.ZERO, _gl.SRC_COLOR );
+
+ break;
+
+ case THREE.CustomBlending:
+
+ _gl.enable( _gl.BLEND );
+
+ break;
+
+ default:
+
+ _gl.enable( _gl.BLEND );
+ _gl.blendEquationSeparate( _gl.FUNC_ADD, _gl.FUNC_ADD );
+ _gl.blendFuncSeparate( _gl.SRC_ALPHA, _gl.ONE_MINUS_SRC_ALPHA, _gl.ONE, _gl.ONE_MINUS_SRC_ALPHA );
+
+ break;
+
+ }
+
+ _oldBlending = blending;
+
+ }
+
+ if ( blending === THREE.CustomBlending ) {
+
+ if ( blendEquation !== _oldBlendEquation ) {
+
+ _gl.blendEquation( paramThreeToGL( blendEquation ) );
+
+ _oldBlendEquation = blendEquation;
+
+ }
+
+ if ( blendSrc !== _oldBlendSrc || blendDst !== _oldBlendDst ) {
+
+ _gl.blendFunc( paramThreeToGL( blendSrc ), paramThreeToGL( blendDst ) );
+
+ _oldBlendSrc = blendSrc;
+ _oldBlendDst = blendDst;
+
+ }
+
+ } else {
+
+ _oldBlendEquation = null;
+ _oldBlendSrc = null;
+ _oldBlendDst = null;
+
+ }
+
+ };
+
+ // Shaders
+
+ function buildProgram ( shaderID, fragmentShader, vertexShader, uniforms, attributes, parameters ) {
+
+ var p, pl, program, code;
+ var chunks = [];
+
+ // Generate code
+
+ if ( shaderID ) {
+
+ chunks.push( shaderID );
+
+ } else {
+
+ chunks.push( fragmentShader );
+ chunks.push( vertexShader );
+
+ }
+
+ for ( p in parameters ) {
+
+ chunks.push( p );
+ chunks.push( parameters[ p ] );
+
+ }
+
+ code = chunks.join();
+
+ // Check if code has been already compiled
+
+ for ( p = 0, pl = _programs.length; p < pl; p ++ ) {
+
+ if ( _programs[ p ].code === code ) {
+
+ // console.log( "Code already compiled." /*: \n\n" + code*/ );
+
+ return _programs[ p ].program;
+
+ }
+
+ }
+
+ //console.log( "building new program " );
+
+ //
+
+ program = _gl.createProgram();
+
+ var prefix_vertex = [
+
+ "precision " + _precision + " float;",
+
+ ( _maxVertexTextures > 0 ) ? "#define VERTEX_TEXTURES" : "",
+
+ _this.gammaInput ? "#define GAMMA_INPUT" : "",
+ _this.gammaOutput ? "#define GAMMA_OUTPUT" : "",
+ _this.physicallyBasedShading ? "#define PHYSICALLY_BASED_SHADING" : "",
+
+ "#define MAX_DIR_LIGHTS " + parameters.maxDirLights,
+ "#define MAX_POINT_LIGHTS " + parameters.maxPointLights,
+ "#define MAX_SPOT_LIGHTS " + parameters.maxSpotLights,
+
+ "#define MAX_SHADOWS " + parameters.maxShadows,
+
+ "#define MAX_BONES " + parameters.maxBones,
+
+ parameters.map ? "#define USE_MAP" : "",
+ parameters.envMap ? "#define USE_ENVMAP" : "",
+ parameters.lightMap ? "#define USE_LIGHTMAP" : "",
+ parameters.vertexColors ? "#define USE_COLOR" : "",
+ parameters.skinning ? "#define USE_SKINNING" : "",
+ parameters.morphTargets ? "#define USE_MORPHTARGETS" : "",
+ parameters.morphNormals ? "#define USE_MORPHNORMALS" : "",
+ parameters.perPixel ? "#define PHONG_PER_PIXEL" : "",
+ parameters.wrapAround ? "#define WRAP_AROUND" : "",
+ parameters.doubleSided ? "#define DOUBLE_SIDED" : "",
+
+ parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "",
+ parameters.shadowMapSoft ? "#define SHADOWMAP_SOFT" : "",
+ parameters.shadowMapDebug ? "#define SHADOWMAP_DEBUG" : "",
+ parameters.shadowMapCascade ? "#define SHADOWMAP_CASCADE" : "",
+
+ parameters.sizeAttenuation ? "#define USE_SIZEATTENUATION" : "",
+
+ "uniform mat4 objectMatrix;",
+ "uniform mat4 modelViewMatrix;",
+ "uniform mat4 projectionMatrix;",
+ "uniform mat4 viewMatrix;",
+ "uniform mat3 normalMatrix;",
+ "uniform vec3 cameraPosition;",
+
+ "attribute vec3 position;",
+ "attribute vec3 normal;",
+ "attribute vec2 uv;",
+ "attribute vec2 uv2;",
+
+ "#ifdef USE_COLOR",
+
+ "attribute vec3 color;",
+
+ "#endif",
+
+ "#ifdef USE_MORPHTARGETS",
+
+ "attribute vec3 morphTarget0;",
+ "attribute vec3 morphTarget1;",
+ "attribute vec3 morphTarget2;",
+ "attribute vec3 morphTarget3;",
+
+ "#ifdef USE_MORPHNORMALS",
+
+ "attribute vec3 morphNormal0;",
+ "attribute vec3 morphNormal1;",
+ "attribute vec3 morphNormal2;",
+ "attribute vec3 morphNormal3;",
+
+ "#else",
+
+ "attribute vec3 morphTarget4;",
+ "attribute vec3 morphTarget5;",
+ "attribute vec3 morphTarget6;",
+ "attribute vec3 morphTarget7;",
+
+ "#endif",
+
+ "#endif",
+
+ "#ifdef USE_SKINNING",
+
+ "attribute vec4 skinVertexA;",
+ "attribute vec4 skinVertexB;",
+ "attribute vec4 skinIndex;",
+ "attribute vec4 skinWeight;",
+
+ "#endif",
+
+ ""
+
+ ].join("\n");
+
+ var prefix_fragment = [
+
+ "precision " + _precision + " float;",
+
+ "#define MAX_DIR_LIGHTS " + parameters.maxDirLights,
+ "#define MAX_POINT_LIGHTS " + parameters.maxPointLights,
+ "#define MAX_SPOT_LIGHTS " + parameters.maxSpotLights,
+
+ "#define MAX_SHADOWS " + parameters.maxShadows,
+
+ parameters.alphaTest ? "#define ALPHATEST " + parameters.alphaTest: "",
+
+ _this.gammaInput ? "#define GAMMA_INPUT" : "",
+ _this.gammaOutput ? "#define GAMMA_OUTPUT" : "",
+ _this.physicallyBasedShading ? "#define PHYSICALLY_BASED_SHADING" : "",
+
+ ( parameters.useFog && parameters.fog ) ? "#define USE_FOG" : "",
+ ( parameters.useFog && parameters.fog instanceof THREE.FogExp2 ) ? "#define FOG_EXP2" : "",
+
+ parameters.map ? "#define USE_MAP" : "",
+ parameters.envMap ? "#define USE_ENVMAP" : "",
+ parameters.lightMap ? "#define USE_LIGHTMAP" : "",
+ parameters.vertexColors ? "#define USE_COLOR" : "",
+
+ parameters.metal ? "#define METAL" : "",
+ parameters.perPixel ? "#define PHONG_PER_PIXEL" : "",
+ parameters.wrapAround ? "#define WRAP_AROUND" : "",
+ parameters.doubleSided ? "#define DOUBLE_SIDED" : "",
+
+ parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "",
+ parameters.shadowMapSoft ? "#define SHADOWMAP_SOFT" : "",
+ parameters.shadowMapDebug ? "#define SHADOWMAP_DEBUG" : "",
+ parameters.shadowMapCascade ? "#define SHADOWMAP_CASCADE" : "",
+
+ "uniform mat4 viewMatrix;",
+ "uniform vec3 cameraPosition;",
+ ""
+
+ ].join("\n");
+
+ _gl.attachShader( program, getShader( "fragment", prefix_fragment + fragmentShader ) );
+ _gl.attachShader( program, getShader( "vertex", prefix_vertex + vertexShader ) );
+
+ _gl.linkProgram( program );
+
+ if ( !_gl.getProgramParameter( program, _gl.LINK_STATUS ) ) {
+
+ console.error( "Could not initialise shader\n" + "VALIDATE_STATUS: " + _gl.getProgramParameter( program, _gl.VALIDATE_STATUS ) + ", gl error [" + _gl.getError() + "]" );
+
+ }
+
+ //console.log( prefix_fragment + fragmentShader );
+ //console.log( prefix_vertex + vertexShader );
+
+ program.uniforms = {};
+ program.attributes = {};
+
+ var identifiers, u, a, i;
+
+ // cache uniform locations
+
+ identifiers = [
+
+ 'viewMatrix', 'modelViewMatrix', 'projectionMatrix', 'normalMatrix', 'objectMatrix', 'cameraPosition',
+ 'boneGlobalMatrices', 'morphTargetInfluences'
+
+ ];
+
+ for ( u in uniforms ) {
+
+ identifiers.push( u );
+
+ }
+
+ cacheUniformLocations( program, identifiers );
+
+ // cache attributes locations
+
+ identifiers = [
+
+ "position", "normal", "uv", "uv2", "tangent", "color",
+ "skinVertexA", "skinVertexB", "skinIndex", "skinWeight"
+
+ ];
+
+ for ( i = 0; i < parameters.maxMorphTargets; i ++ ) {
+
+ identifiers.push( "morphTarget" + i );
+
+ }
+
+ for ( i = 0; i < parameters.maxMorphNormals; i ++ ) {
+
+ identifiers.push( "morphNormal" + i );
+
+ }
+
+ for ( a in attributes ) {
+
+ identifiers.push( a );
+
+ }
+
+ cacheAttributeLocations( program, identifiers );
+
+ program.id = _programs.length;
+
+ _programs.push( { program: program, code: code } );
+
+ _this.info.memory.programs = _programs.length;
+
+ return program;
+
+ };
+
+ // Shader parameters cache
+
+ function cacheUniformLocations ( program, identifiers ) {
+
+ var i, l, id;
+
+ for( i = 0, l = identifiers.length; i < l; i ++ ) {
+
+ id = identifiers[ i ];
+ program.uniforms[ id ] = _gl.getUniformLocation( program, id );
+
+ }
+
+ };
+
+ function cacheAttributeLocations ( program, identifiers ) {
+
+ var i, l, id;
+
+ for( i = 0, l = identifiers.length; i < l; i ++ ) {
+
+ id = identifiers[ i ];
+ program.attributes[ id ] = _gl.getAttribLocation( program, id );
+
+ }
+
+ };
+
+ function getShader ( type, string ) {
+
+ var shader;
+
+ if ( type === "fragment" ) {
+
+ shader = _gl.createShader( _gl.FRAGMENT_SHADER );
+
+ } else if ( type === "vertex" ) {
+
+ shader = _gl.createShader( _gl.VERTEX_SHADER );
+
+ }
+
+ _gl.shaderSource( shader, string );
+ _gl.compileShader( shader );
+
+ if ( !_gl.getShaderParameter( shader, _gl.COMPILE_STATUS ) ) {
+
+ console.error( _gl.getShaderInfoLog( shader ) );
+ console.error( string );
+ return null;
+
+ }
+
+ return shader;
+
+ };
+
+ // Textures
+
+
+ function isPowerOfTwo ( value ) {
+
+ return ( value & ( value - 1 ) ) === 0;
+
+ };
+
+ function setTextureParameters ( textureType, texture, isImagePowerOfTwo ) {
+
+ if ( isImagePowerOfTwo ) {
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );
+ _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );
+
+ } else {
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );
+ _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );
+
+ }
+
+ };
+
+ this.setTexture = function ( texture, slot ) {
+
+ if ( texture.needsUpdate ) {
+
+ if ( ! texture.__webglInit ) {
+
+ texture.__webglInit = true;
+ texture.__webglTexture = _gl.createTexture();
+
+ _this.info.memory.textures ++;
+
+ }
+
+ _gl.activeTexture( _gl.TEXTURE0 + slot );
+ _gl.bindTexture( _gl.TEXTURE_2D, texture.__webglTexture );
+
+ _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );
+
+ var image = texture.image,
+ isImagePowerOfTwo = isPowerOfTwo( image.width ) && isPowerOfTwo( image.height ),
+ glFormat = paramThreeToGL( texture.format ),
+ glType = paramThreeToGL( texture.type );
+
+ setTextureParameters( _gl.TEXTURE_2D, texture, isImagePowerOfTwo );
+
+ if ( texture instanceof THREE.DataTexture ) {
+
+ _gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );
+
+ } else {
+
+ _gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, texture.image );
+
+ }
+
+ if ( texture.generateMipmaps && isImagePowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );
+
+ texture.needsUpdate = false;
+
+ if ( texture.onUpdate ) texture.onUpdate();
+
+ } else {
+
+ _gl.activeTexture( _gl.TEXTURE0 + slot );
+ _gl.bindTexture( _gl.TEXTURE_2D, texture.__webglTexture );
+
+ }
+
+ };
+
+ function clampToMaxSize ( image, maxSize ) {
+
+ if ( image.width <= maxSize && image.height <= maxSize ) {
+
+ return image;
+
+ }
+
+ // Warning: Scaling through the canvas will only work with images that use
+ // premultiplied alpha.
+
+ var maxDimension = Math.max( image.width, image.height );
+ var newWidth = Math.floor( image.width * maxSize / maxDimension );
+ var newHeight = Math.floor( image.height * maxSize / maxDimension );
+
+ var canvas = document.createElement( 'canvas' );
+ canvas.width = newWidth;
+ canvas.height = newHeight;
+
+ var ctx = canvas.getContext( "2d" );
+ ctx.drawImage( image, 0, 0, image.width, image.height, 0, 0, newWidth, newHeight );
+
+ return canvas;
+
+ }
+
+ function setCubeTexture ( texture, slot ) {
+
+ if ( texture.image.length === 6 ) {
+
+ if ( texture.needsUpdate ) {
+
+ if ( ! texture.image.__webglTextureCube ) {
+
+ texture.image.__webglTextureCube = _gl.createTexture();
+
+ }
+
+ _gl.activeTexture( _gl.TEXTURE0 + slot );
+ _gl.bindTexture( _gl.TEXTURE_CUBE_MAP, texture.image.__webglTextureCube );
+
+ var cubeImage = [];
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ if ( _this.autoScaleCubemaps ) {
+
+ cubeImage[ i ] = clampToMaxSize( texture.image[ i ], _maxCubemapSize );
+
+ } else {
+
+ cubeImage[ i ] = texture.image[ i ];
+
+ }
+
+ }
+
+ var image = cubeImage[ 0 ],
+ isImagePowerOfTwo = isPowerOfTwo( image.width ) && isPowerOfTwo( image.height ),
+ glFormat = paramThreeToGL( texture.format ),
+ glType = paramThreeToGL( texture.type );
+
+ setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isImagePowerOfTwo );
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ _gl.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );
+
+ }
+
+ if ( texture.generateMipmaps && isImagePowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );
+
+ texture.needsUpdate = false;
+
+ if ( texture.onUpdate ) texture.onUpdate();
+
+ } else {
+
+ _gl.activeTexture( _gl.TEXTURE0 + slot );
+ _gl.bindTexture( _gl.TEXTURE_CUBE_MAP, texture.image.__webglTextureCube );
+
+ }
+
+ }
+
+ };
+
+ function setCubeTextureDynamic ( texture, slot ) {
+
+ _gl.activeTexture( _gl.TEXTURE0 + slot );
+ _gl.bindTexture( _gl.TEXTURE_CUBE_MAP, texture.__webglTexture );
+
+ };
+
+ // Render targets
+
+ function setupFrameBuffer ( framebuffer, renderTarget, textureTarget ) {
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
+ _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, textureTarget, renderTarget.__webglTexture, 0 );
+
+ };
+
+ function setupRenderBuffer ( renderbuffer, renderTarget ) {
+
+ _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );
+
+ if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {
+
+ _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );
+ _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );
+
+ /* For some reason this is not working. Defaulting to RGBA4.
+ } else if( ! renderTarget.depthBuffer && renderTarget.stencilBuffer ) {
+
+ _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.STENCIL_INDEX8, renderTarget.width, renderTarget.height );
+ _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );
+ */
+ } else if( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {
+
+ _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );
+ _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );
+
+ } else {
+
+ _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );
+
+ }
+
+ };
+
+ this.setRenderTarget = function ( renderTarget ) {
+
+ var isCube = ( renderTarget instanceof THREE.WebGLRenderTargetCube );
+
+ if ( renderTarget && ! renderTarget.__webglFramebuffer ) {
+
+ if( renderTarget.depthBuffer === undefined ) renderTarget.depthBuffer = true;
+ if( renderTarget.stencilBuffer === undefined ) renderTarget.stencilBuffer = true;
+
+ renderTarget.__webglTexture = _gl.createTexture();
+
+ // Setup texture, create render and frame buffers
+
+ var isTargetPowerOfTwo = isPowerOfTwo( renderTarget.width ) && isPowerOfTwo( renderTarget.height ),
+ glFormat = paramThreeToGL( renderTarget.format ),
+ glType = paramThreeToGL( renderTarget.type );
+
+ if ( isCube ) {
+
+ renderTarget.__webglFramebuffer = [];
+ renderTarget.__webglRenderbuffer = [];
+
+ _gl.bindTexture( _gl.TEXTURE_CUBE_MAP, renderTarget.__webglTexture );
+ setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget, isTargetPowerOfTwo );
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ renderTarget.__webglFramebuffer[ i ] = _gl.createFramebuffer();
+ renderTarget.__webglRenderbuffer[ i ] = _gl.createRenderbuffer();
+
+ _gl.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );
+
+ setupFrameBuffer( renderTarget.__webglFramebuffer[ i ], renderTarget, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );
+ setupRenderBuffer( renderTarget.__webglRenderbuffer[ i ], renderTarget );
+
+ }
+
+ if ( isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );
+
+ } else {
+
+ renderTarget.__webglFramebuffer = _gl.createFramebuffer();
+ renderTarget.__webglRenderbuffer = _gl.createRenderbuffer();
+
+ _gl.bindTexture( _gl.TEXTURE_2D, renderTarget.__webglTexture );
+ setTextureParameters( _gl.TEXTURE_2D, renderTarget, isTargetPowerOfTwo );
+
+ _gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );
+
+ setupFrameBuffer( renderTarget.__webglFramebuffer, renderTarget, _gl.TEXTURE_2D );
+ setupRenderBuffer( renderTarget.__webglRenderbuffer, renderTarget );
+
+ if ( isTargetPowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );
+
+ }
+
+ // Release everything
+
+ if ( isCube ) {
+
+ _gl.bindTexture( _gl.TEXTURE_CUBE_MAP, null );
+
+ } else {
+
+ _gl.bindTexture( _gl.TEXTURE_2D, null );
+
+ }
+
+ _gl.bindRenderbuffer( _gl.RENDERBUFFER, null );
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, null);
+
+ }
+
+ var framebuffer, width, height, vx, vy;
+
+ if ( renderTarget ) {
+
+ if ( isCube ) {
+
+ framebuffer = renderTarget.__webglFramebuffer[ renderTarget.activeCubeFace ];
+
+ } else {
+
+ framebuffer = renderTarget.__webglFramebuffer;
+
+ }
+
+ width = renderTarget.width;
+ height = renderTarget.height;
+
+ vx = 0;
+ vy = 0;
+
+ } else {
+
+ framebuffer = null;
+
+ width = _viewportWidth;
+ height = _viewportHeight;
+
+ vx = _viewportX;
+ vy = _viewportY;
+
+ }
+
+ if ( framebuffer !== _currentFramebuffer ) {
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
+ _gl.viewport( vx, vy, width, height );
+
+ _currentFramebuffer = framebuffer;
+
+ }
+
+ _currentWidth = width;
+ _currentHeight = height;
+
+ };
+
+ function updateRenderTargetMipmap ( renderTarget ) {
+
+ if ( renderTarget instanceof THREE.WebGLRenderTargetCube ) {
+
+ _gl.bindTexture( _gl.TEXTURE_CUBE_MAP, renderTarget.__webglTexture );
+ _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );
+ _gl.bindTexture( _gl.TEXTURE_CUBE_MAP, null );
+
+ } else {
+
+ _gl.bindTexture( _gl.TEXTURE_2D, renderTarget.__webglTexture );
+ _gl.generateMipmap( _gl.TEXTURE_2D );
+ _gl.bindTexture( _gl.TEXTURE_2D, null );
+
+ }
+
+ };
+
+ // Fallback filters for non-power-of-2 textures
+
+ function filterFallback ( f ) {
+
+ switch ( f ) {
+
+ case THREE.NearestFilter:
+ case THREE.NearestMipMapNearestFilter:
+ case THREE.NearestMipMapLinearFilter: return _gl.NEAREST; break;
+
+ case THREE.LinearFilter:
+ case THREE.LinearMipMapNearestFilter:
+ case THREE.LinearMipMapLinearFilter:
+ default:
+
+ return _gl.LINEAR; break;
+
+ }
+
+ };
+
+ // Map three.js constants to WebGL constants
+
+ function paramThreeToGL ( p ) {
+
+ switch ( p ) {
+
+ case THREE.RepeatWrapping: return _gl.REPEAT; break;
+ case THREE.ClampToEdgeWrapping: return _gl.CLAMP_TO_EDGE; break;
+ case THREE.MirroredRepeatWrapping: return _gl.MIRRORED_REPEAT; break;
+
+ case THREE.NearestFilter: return _gl.NEAREST; break;
+ case THREE.NearestMipMapNearestFilter: return _gl.NEAREST_MIPMAP_NEAREST; break;
+ case THREE.NearestMipMapLinearFilter: return _gl.NEAREST_MIPMAP_LINEAR; break;
+
+ case THREE.LinearFilter: return _gl.LINEAR; break;
+ case THREE.LinearMipMapNearestFilter: return _gl.LINEAR_MIPMAP_NEAREST; break;
+ case THREE.LinearMipMapLinearFilter: return _gl.LINEAR_MIPMAP_LINEAR; break;
+
+ case THREE.ByteType: return _gl.BYTE; break;
+ case THREE.UnsignedByteType: return _gl.UNSIGNED_BYTE; break;
+ case THREE.ShortType: return _gl.SHORT; break;
+ case THREE.UnsignedShortType: return _gl.UNSIGNED_SHORT; break;
+ case THREE.IntType: return _gl.INT; break;
+ case THREE.UnsignedIntType: return _gl.UNSIGNED_INT; break;
+ case THREE.FloatType: return _gl.FLOAT; break;
+
+ case THREE.AlphaFormat: return _gl.ALPHA; break;
+ case THREE.RGBFormat: return _gl.RGB; break;
+ case THREE.RGBAFormat: return _gl.RGBA; break;
+ case THREE.LuminanceFormat: return _gl.LUMINANCE; break;
+ case THREE.LuminanceAlphaFormat: return _gl.LUMINANCE_ALPHA; break;
+
+ case THREE.AddEquation: return _gl.FUNC_ADD; break;
+ case THREE.SubtractEquation: return _gl.FUNC_SUBTRACT; break;
+ case THREE.ReverseSubtractEquation: return _gl.FUNC_REVERSE_SUBTRACT; break;
+
+ case THREE.ZeroFactor: return _gl.ZERO; break;
+ case THREE.OneFactor: return _gl.ONE; break;
+ case THREE.SrcColorFactor: return _gl.SRC_COLOR; break;
+ case THREE.OneMinusSrcColorFactor: return _gl.ONE_MINUS_SRC_COLOR; break;
+ case THREE.SrcAlphaFactor: return _gl.SRC_ALPHA; break;
+ case THREE.OneMinusSrcAlphaFactor: return _gl.ONE_MINUS_SRC_ALPHA; break;
+ case THREE.DstAlphaFactor: return _gl.DST_ALPHA; break;
+ case THREE.OneMinusDstAlphaFactor: return _gl.ONE_MINUS_DST_ALPHA; break;
+
+ case THREE.DstColorFactor: return _gl.DST_COLOR; break;
+ case THREE.OneMinusDstColorFactor: return _gl.ONE_MINUS_DST_COLOR; break;
+ case THREE.SrcAlphaSaturateFactor: return _gl.SRC_ALPHA_SATURATE; break;
+
+ }
+
+ return 0;
+
+ };
+
+ // Allocations
+
+ function allocateBones ( object ) {
+
+ // default for when object is not specified
+ // ( for example when prebuilding shader
+ // to be used with multiple objects )
+ //
+ // - leave some extra space for other uniforms
+ // - limit here is ANGLE's 254 max uniform vectors
+ // (up to 54 should be safe)
+
+ var maxBones = 50;
+
+ if ( object !== undefined && object instanceof THREE.SkinnedMesh ) {
+
+ maxBones = object.bones.length;
+
+ }
+
+ return maxBones;
+
+ };
+
+ function allocateLights ( lights ) {
+
+ var l, ll, light, dirLights, pointLights, spotLights, maxDirLights, maxPointLights, maxSpotLights;
+
+ dirLights = pointLights = spotLights = maxDirLights = maxPointLights = maxSpotLights = 0;
+
+ for ( l = 0, ll = lights.length; l < ll; l ++ ) {
+
+ light = lights[ l ];
+
+ if ( light.onlyShadow ) continue;
+
+ if ( light instanceof THREE.DirectionalLight ) dirLights ++;
+ if ( light instanceof THREE.PointLight ) pointLights ++;
+ if ( light instanceof THREE.SpotLight ) spotLights ++;
+
+ }
+
+ if ( ( pointLights + spotLights + dirLights ) <= _maxLights ) {
+
+ maxDirLights = dirLights;
+ maxPointLights = pointLights;
+ maxSpotLights = spotLights;
+
+ } else {
+
+ maxDirLights = Math.ceil( _maxLights * dirLights / ( pointLights + dirLights ) );
+ maxPointLights = _maxLights - maxDirLights;
+ maxSpotLights = maxPointLights; // this is not really correct
+
+ }
+
+ return { 'directional' : maxDirLights, 'point' : maxPointLights, 'spot': maxSpotLights };
+
+ };
+
+ function allocateShadows ( lights ) {
+
+ var l, ll, light, maxShadows = 0;
+
+ for ( l = 0, ll = lights.length; l < ll; l++ ) {
+
+ light = lights[ l ];
+
+ if ( ! light.castShadow ) continue;
+
+ if ( light instanceof THREE.SpotLight ) maxShadows ++;
+ if ( light instanceof THREE.DirectionalLight && ! light.shadowCascade ) maxShadows ++;
+
+ }
+
+ return maxShadows;
+
+ };
+
+ // Initialization
+
+ function initGL () {
+
+ var gl;
+
+ try {
+
+ if ( ! ( gl = _canvas.getContext( 'experimental-webgl', { alpha: _alpha, premultipliedAlpha: _premultipliedAlpha, antialias: _antialias, stencil: _stencil, preserveDrawingBuffer: _preserveDrawingBuffer } ) ) ) {
+
+ throw 'Error creating WebGL context.';
+
+ }
+
+ } catch ( error ) {
+
+ console.error( error );
+
+ }
+
+ if ( ! gl.getExtension( 'OES_texture_float' ) ) {
+
+ console.log( 'THREE.WebGLRenderer: Float textures not supported.' );
+
+ }
+
+ return gl;
+
+ };
+
+ function setDefaultGLState () {
+
+ _gl.clearColor( 0, 0, 0, 1 );
+ _gl.clearDepth( 1 );
+ _gl.clearStencil( 0 );
+
+ _gl.enable( _gl.DEPTH_TEST );
+ _gl.depthFunc( _gl.LEQUAL );
+
+ _gl.frontFace( _gl.CCW );
+ _gl.cullFace( _gl.BACK );
+ _gl.enable( _gl.CULL_FACE );
+
+ _gl.enable( _gl.BLEND );
+ _gl.blendEquation( _gl.FUNC_ADD );
+ _gl.blendFunc( _gl.SRC_ALPHA, _gl.ONE_MINUS_SRC_ALPHA );
+
+ _gl.clearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );
+
+ };
+
+ // default plugins (order is important)
+
+ this.shadowMapPlugin = new THREE.ShadowMapPlugin();
+ this.addPrePlugin( this.shadowMapPlugin );
+
+ this.addPostPlugin( new THREE.SpritePlugin() );
+ this.addPostPlugin( new THREE.LensFlarePlugin() );
+
+};
+/**
+ * @author szimek / https://github.com/szimek/
+ */
+
+THREE.WebGLRenderTarget = function ( width, height, options ) {
+
+ this.width = width;
+ this.height = height;
+
+ options = options || {};
+
+ this.wrapS = options.wrapS !== undefined ? options.wrapS : THREE.ClampToEdgeWrapping;
+ this.wrapT = options.wrapT !== undefined ? options.wrapT : THREE.ClampToEdgeWrapping;
+
+ this.magFilter = options.magFilter !== undefined ? options.magFilter : THREE.LinearFilter;
+ this.minFilter = options.minFilter !== undefined ? options.minFilter : THREE.LinearMipMapLinearFilter;
+
+ this.offset = new THREE.Vector2( 0, 0 );
+ this.repeat = new THREE.Vector2( 1, 1 );
+
+ this.format = options.format !== undefined ? options.format : THREE.RGBAFormat;
+ this.type = options.type !== undefined ? options.type : THREE.UnsignedByteType;
+
+ this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;
+ this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;
+
+ this.generateMipmaps = true;
+
+};
+
+THREE.WebGLRenderTarget.prototype.clone = function() {
+
+ var tmp = new THREE.WebGLRenderTarget( this.width, this.height );
+
+ tmp.wrapS = this.wrapS;
+ tmp.wrapT = this.wrapT;
+
+ tmp.magFilter = this.magFilter;
+ tmp.minFilter = this.minFilter;
+
+ tmp.offset.copy( this.offset );
+ tmp.repeat.copy( this.repeat );
+
+ tmp.format = this.format;
+ tmp.type = this.type;
+
+ tmp.depthBuffer = this.depthBuffer;
+ tmp.stencilBuffer = this.stencilBuffer;
+
+ return tmp;
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com
+ */
+
+THREE.WebGLRenderTargetCube = function ( width, height, options ) {
+
+ THREE.WebGLRenderTarget.call( this, width, height, options );
+
+ this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5
+
+};
+
+THREE.WebGLRenderTargetCube.prototype = new THREE.WebGLRenderTarget();
+THREE.WebGLRenderTargetCube.prototype.constructor = THREE.WebGLRenderTargetCube;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.RenderableVertex = function () {
+
+ this.positionWorld = new THREE.Vector3();
+ this.positionScreen = new THREE.Vector4();
+
+ this.visible = true;
+
+};
+
+THREE.RenderableVertex.prototype.copy = function ( vertex ) {
+
+ this.positionWorld.copy( vertex.positionWorld );
+ this.positionScreen.copy( vertex.positionScreen );
+
+}
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.RenderableFace3 = function () {
+
+ this.v1 = new THREE.RenderableVertex();
+ this.v2 = new THREE.RenderableVertex();
+ this.v3 = new THREE.RenderableVertex();
+
+ this.centroidWorld = new THREE.Vector3();
+ this.centroidScreen = new THREE.Vector3();
+
+ this.normalWorld = new THREE.Vector3();
+ this.vertexNormalsWorld = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
+
+ this.material = null;
+ this.faceMaterial = null;
+ this.uvs = [[]];
+
+ this.z = null;
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.RenderableFace4 = function () {
+
+ this.v1 = new THREE.RenderableVertex();
+ this.v2 = new THREE.RenderableVertex();
+ this.v3 = new THREE.RenderableVertex();
+ this.v4 = new THREE.RenderableVertex();
+
+ this.centroidWorld = new THREE.Vector3();
+ this.centroidScreen = new THREE.Vector3();
+
+ this.normalWorld = new THREE.Vector3();
+ this.vertexNormalsWorld = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
+
+ this.material = null;
+ this.faceMaterial = null;
+ this.uvs = [[]];
+
+ this.z = null;
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.RenderableObject = function () {
+
+ this.object = null;
+ this.z = null;
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.RenderableParticle = function () {
+
+ this.x = null;
+ this.y = null;
+ this.z = null;
+
+ this.rotation = null;
+ this.scale = new THREE.Vector2();
+
+ this.material = null;
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.RenderableLine = function () {
+
+ this.z = null;
+
+ this.v1 = new THREE.RenderableVertex();
+ this.v2 = new THREE.RenderableVertex();
+
+ this.material = null;
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.ColorUtils = {
+
+ adjustHSV : function ( color, h, s, v ) {
+
+ var hsv = THREE.ColorUtils.__hsv;
+
+ THREE.ColorUtils.rgbToHsv( color, hsv );
+
+ hsv.h = THREE.Math.clamp( hsv.h + h, 0, 1 );
+ hsv.s = THREE.Math.clamp( hsv.s + s, 0, 1 );
+ hsv.v = THREE.Math.clamp( hsv.v + v, 0, 1 );
+
+ color.setHSV( hsv.h, hsv.s, hsv.v );
+
+ },
+
+ // based on MochiKit implementation by Bob Ippolito
+
+ rgbToHsv : function ( color, hsv ) {
+
+ var r = color.r;
+ var g = color.g;
+ var b = color.b;
+
+ var max = Math.max( Math.max( r, g ), b );
+ var min = Math.min( Math.min( r, g ), b );
+
+ var hue;
+ var saturation;
+ var value = max;
+
+ if ( min === max ) {
+
+ hue = 0;
+ saturation = 0;
+
+ } else {
+
+ var delta = ( max - min );
+ saturation = delta / max;
+
+ if ( r === max ) {
+
+ hue = ( g - b ) / delta;
+
+ } else if ( g === max ) {
+
+ hue = 2 + ( ( b - r ) / delta );
+
+ } else {
+
+ hue = 4 + ( ( r - g ) / delta );
+ }
+
+ hue /= 6;
+
+ if ( hue < 0 ) {
+
+ hue += 1;
+
+ }
+
+ if ( hue > 1 ) {
+
+ hue -= 1;
+
+ }
+
+ }
+
+ if ( hsv === undefined ) {
+
+ hsv = { h: 0, s: 0, v: 0 };
+
+ }
+
+ hsv.h = hue;
+ hsv.s = saturation;
+ hsv.v = value;
+
+ return hsv;
+
+ }
+
+};
+
+THREE.ColorUtils.__hsv = { h: 0, s: 0, v: 0 };/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.GeometryUtils = {
+
+ // Merge two geometries or geometry and geometry from object (using object's transform)
+
+ merge: function ( geometry1, object2 /* mesh | geometry */ ) {
+
+ var matrix, matrixRotation,
+ vertexOffset = geometry1.vertices.length,
+ uvPosition = geometry1.faceVertexUvs[ 0 ].length,
+ geometry2 = object2 instanceof THREE.Mesh ? object2.geometry : object2,
+ vertices1 = geometry1.vertices,
+ vertices2 = geometry2.vertices,
+ faces1 = geometry1.faces,
+ faces2 = geometry2.faces,
+ uvs1 = geometry1.faceVertexUvs[ 0 ],
+ uvs2 = geometry2.faceVertexUvs[ 0 ];
+
+ var geo1MaterialsMap = {};
+
+ for ( var i = 0; i < geometry1.materials.length; i ++ ) {
+
+ var id = geometry1.materials[ i ].id;
+
+ geo1MaterialsMap[ id ] = i;
+
+ }
+
+ if ( object2 instanceof THREE.Mesh ) {
+
+ object2.matrixAutoUpdate && object2.updateMatrix();
+
+ matrix = object2.matrix;
+ matrixRotation = new THREE.Matrix4();
+ matrixRotation.extractRotation( matrix, object2.scale );
+
+ }
+
+ // vertices
+
+ for ( var i = 0, il = vertices2.length; i < il; i ++ ) {
+
+ var vertex = vertices2[ i ];
+
+ var vertexCopy = vertex.clone();
+
+ if ( matrix ) matrix.multiplyVector3( vertexCopy );
+
+ vertices1.push( vertexCopy );
+
+ }
+
+ // faces
+
+ for ( i = 0, il = faces2.length; i < il; i ++ ) {
+
+ var face = faces2[ i ], faceCopy, normal, color,
+ faceVertexNormals = face.vertexNormals,
+ faceVertexColors = face.vertexColors;
+
+ if ( face instanceof THREE.Face3 ) {
+
+ faceCopy = new THREE.Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ faceCopy = new THREE.Face4( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset, face.d + vertexOffset );
+
+ }
+
+ faceCopy.normal.copy( face.normal );
+
+ if ( matrixRotation ) matrixRotation.multiplyVector3( faceCopy.normal );
+
+ for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {
+
+ normal = faceVertexNormals[ j ].clone();
+
+ if ( matrixRotation ) matrixRotation.multiplyVector3( normal );
+
+ faceCopy.vertexNormals.push( normal );
+
+ }
+
+ faceCopy.color.copy( face.color );
+
+ for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {
+
+ color = faceVertexColors[ j ];
+ faceCopy.vertexColors.push( color.clone() );
+
+ }
+
+ if ( face.materialIndex !== undefined ) {
+
+ var material2 = geometry2.materials[ face.materialIndex ];
+ var materialId2 = material2.id;
+
+ var materialIndex = geo1MaterialsMap[ materialId2 ];
+
+ if ( materialIndex === undefined ) {
+
+ materialIndex = geometry1.materials.length;
+ geo1MaterialsMap[ materialId2 ] = materialIndex;
+
+ geometry1.materials.push( material2 );
+
+ }
+
+ faceCopy.materialIndex = materialIndex;
+
+ }
+
+ faceCopy.centroid.copy( face.centroid );
+ if ( matrix ) matrix.multiplyVector3( faceCopy.centroid );
+
+ faces1.push( faceCopy );
+
+ }
+
+ // uvs
+
+ for ( i = 0, il = uvs2.length; i < il; i ++ ) {
+
+ var uv = uvs2[ i ], uvCopy = [];
+
+ for ( var j = 0, jl = uv.length; j < jl; j ++ ) {
+
+ uvCopy.push( new THREE.UV( uv[ j ].u, uv[ j ].v ) );
+
+ }
+
+ uvs1.push( uvCopy );
+
+ }
+
+ },
+
+ clone: function ( geometry ) {
+
+ var cloneGeo = new THREE.Geometry();
+
+ var i, il;
+
+ var vertices = geometry.vertices,
+ faces = geometry.faces,
+ uvs = geometry.faceVertexUvs[ 0 ];
+
+ // materials
+
+ if ( geometry.materials ) {
+
+ cloneGeo.materials = geometry.materials.slice();
+
+ }
+
+ // vertices
+
+ for ( i = 0, il = vertices.length; i < il; i ++ ) {
+
+ var vertex = vertices[ i ];
+
+ cloneGeo.vertices.push( vertex.clone() );
+
+ }
+
+ // faces
+
+ for ( i = 0, il = faces.length; i < il; i ++ ) {
+
+ var face = faces[ i ];
+
+ cloneGeo.faces.push( face.clone() );
+
+ }
+
+ // uvs
+
+ for ( i = 0, il = uvs.length; i < il; i ++ ) {
+
+ var uv = uvs[ i ], uvCopy = [];
+
+ for ( var j = 0, jl = uv.length; j < jl; j ++ ) {
+
+ uvCopy.push( new THREE.UV( uv[ j ].u, uv[ j ].v ) );
+
+ }
+
+ cloneGeo.faceVertexUvs[ 0 ].push( uvCopy );
+
+ }
+
+ return cloneGeo;
+
+ },
+
+ // Get random point in triangle (via barycentric coordinates)
+ // (uniform distribution)
+ // http://www.cgafaq.info/wiki/Random_Point_In_Triangle
+
+ randomPointInTriangle: function ( vectorA, vectorB, vectorC ) {
+
+ var a, b, c,
+ point = new THREE.Vector3(),
+ tmp = THREE.GeometryUtils.__v1;
+
+ a = THREE.GeometryUtils.random();
+ b = THREE.GeometryUtils.random();
+
+ if ( ( a + b ) > 1 ) {
+
+ a = 1 - a;
+ b = 1 - b;
+
+ }
+
+ c = 1 - a - b;
+
+ point.copy( vectorA );
+ point.multiplyScalar( a );
+
+ tmp.copy( vectorB );
+ tmp.multiplyScalar( b );
+
+ point.addSelf( tmp );
+
+ tmp.copy( vectorC );
+ tmp.multiplyScalar( c );
+
+ point.addSelf( tmp );
+
+ return point;
+
+ },
+
+ // Get random point in face (triangle / quad)
+ // (uniform distribution)
+
+ randomPointInFace: function ( face, geometry, useCachedAreas ) {
+
+ var vA, vB, vC, vD;
+
+ if ( face instanceof THREE.Face3 ) {
+
+ vA = geometry.vertices[ face.a ];
+ vB = geometry.vertices[ face.b ];
+ vC = geometry.vertices[ face.c ];
+
+ return THREE.GeometryUtils.randomPointInTriangle( vA, vB, vC );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ vA = geometry.vertices[ face.a ];
+ vB = geometry.vertices[ face.b ];
+ vC = geometry.vertices[ face.c ];
+ vD = geometry.vertices[ face.d ];
+
+ var area1, area2;
+
+ if ( useCachedAreas ) {
+
+ if ( face._area1 && face._area2 ) {
+
+ area1 = face._area1;
+ area2 = face._area2;
+
+ } else {
+
+ area1 = THREE.GeometryUtils.triangleArea( vA, vB, vD );
+ area2 = THREE.GeometryUtils.triangleArea( vB, vC, vD );
+
+ face._area1 = area1;
+ face._area2 = area2;
+
+ }
+
+ } else {
+
+ area1 = THREE.GeometryUtils.triangleArea( vA, vB, vD ),
+ area2 = THREE.GeometryUtils.triangleArea( vB, vC, vD );
+
+ }
+
+ var r = THREE.GeometryUtils.random() * ( area1 + area2 );
+
+ if ( r < area1 ) {
+
+ return THREE.GeometryUtils.randomPointInTriangle( vA, vB, vD );
+
+ } else {
+
+ return THREE.GeometryUtils.randomPointInTriangle( vB, vC, vD );
+
+ }
+
+ }
+
+ },
+
+ // Get uniformly distributed random points in mesh
+ // - create array with cumulative sums of face areas
+ // - pick random number from 0 to total area
+ // - find corresponding place in area array by binary search
+ // - get random point in face
+
+ randomPointsInGeometry: function ( geometry, n ) {
+
+ var face, i,
+ faces = geometry.faces,
+ vertices = geometry.vertices,
+ il = faces.length,
+ totalArea = 0,
+ cumulativeAreas = [],
+ vA, vB, vC, vD;
+
+ // precompute face areas
+
+ for ( i = 0; i < il; i ++ ) {
+
+ face = faces[ i ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ vA = vertices[ face.a ];
+ vB = vertices[ face.b ];
+ vC = vertices[ face.c ];
+
+ face._area = THREE.GeometryUtils.triangleArea( vA, vB, vC );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ vA = vertices[ face.a ];
+ vB = vertices[ face.b ];
+ vC = vertices[ face.c ];
+ vD = vertices[ face.d ];
+
+ face._area1 = THREE.GeometryUtils.triangleArea( vA, vB, vD );
+ face._area2 = THREE.GeometryUtils.triangleArea( vB, vC, vD );
+
+ face._area = face._area1 + face._area2;
+
+ }
+
+ totalArea += face._area;
+
+ cumulativeAreas[ i ] = totalArea;
+
+ }
+
+ // binary search cumulative areas array
+
+ function binarySearchIndices( value ) {
+
+ function binarySearch( start, end ) {
+
+ // return closest larger index
+ // if exact number is not found
+
+ if ( end < start )
+ return start;
+
+ var mid = start + Math.floor( ( end - start ) / 2 );
+
+ if ( cumulativeAreas[ mid ] > value ) {
+
+ return binarySearch( start, mid - 1 );
+
+ } else if ( cumulativeAreas[ mid ] < value ) {
+
+ return binarySearch( mid + 1, end );
+
+ } else {
+
+ return mid;
+
+ }
+
+ }
+
+ var result = binarySearch( 0, cumulativeAreas.length - 1 )
+ return result;
+
+ }
+
+ // pick random face weighted by face area
+
+ var r, index,
+ result = [];
+
+ var stats = {};
+
+ for ( i = 0; i < n; i ++ ) {
+
+ r = THREE.GeometryUtils.random() * totalArea;
+
+ index = binarySearchIndices( r );
+
+ result[ i ] = THREE.GeometryUtils.randomPointInFace( faces[ index ], geometry, true );
+
+ if ( ! stats[ index ] ) {
+
+ stats[ index ] = 1;
+
+ } else {
+
+ stats[ index ] += 1;
+
+ }
+
+ }
+
+ return result;
+
+ },
+
+ // Get triangle area (by Heron's formula)
+ // http://en.wikipedia.org/wiki/Heron%27s_formula
+
+ triangleArea: function ( vectorA, vectorB, vectorC ) {
+
+ var s, a, b, c,
+ tmp = THREE.GeometryUtils.__v1;
+
+ tmp.sub( vectorA, vectorB );
+ a = tmp.length();
+
+ tmp.sub( vectorA, vectorC );
+ b = tmp.length();
+
+ tmp.sub( vectorB, vectorC );
+ c = tmp.length();
+
+ s = 0.5 * ( a + b + c );
+
+ return Math.sqrt( s * ( s - a ) * ( s - b ) * ( s - c ) );
+
+ },
+
+ // Center geometry so that 0,0,0 is in center of bounding box
+
+ center: function ( geometry ) {
+
+ geometry.computeBoundingBox();
+
+ var bb = geometry.boundingBox;
+
+ var offset = new THREE.Vector3();
+
+ offset.add( bb.min, bb.max );
+ offset.multiplyScalar( -0.5 );
+
+ geometry.applyMatrix( new THREE.Matrix4().makeTranslation( offset.x, offset.y, offset.z ) );
+ geometry.computeBoundingBox();
+
+ return offset;
+
+ },
+
+ // Normalize UVs to be from <0,1>
+ // (for now just the first set of UVs)
+
+ normalizeUVs: function ( geometry ) {
+
+ var uvSet = geometry.faceVertexUvs[ 0 ];
+
+ for ( var i = 0, il = uvSet.length; i < il; i ++ ) {
+
+ var uvs = uvSet[ i ];
+
+ for ( var j = 0, jl = uvs.length; j < jl; j ++ ) {
+
+ // texture repeat
+
+ if( uvs[ j ].u !== 1.0 ) uvs[ j ].u = uvs[ j ].u - Math.floor( uvs[ j ].u );
+ if( uvs[ j ].v !== 1.0 ) uvs[ j ].v = uvs[ j ].v - Math.floor( uvs[ j ].v );
+
+ }
+
+ }
+
+ },
+
+ triangulateQuads: function ( geometry ) {
+
+ var i, il, j, jl;
+
+ var faces = [];
+ var faceUvs = [];
+ var faceVertexUvs = [];
+
+ for ( i = 0, il = geometry.faceUvs.length; i < il; i ++ ) {
+
+ faceUvs[ i ] = [];
+
+ }
+
+ for ( i = 0, il = geometry.faceVertexUvs.length; i < il; i ++ ) {
+
+ faceVertexUvs[ i ] = [];
+
+ }
+
+ for ( i = 0, il = geometry.faces.length; i < il; i ++ ) {
+
+ var face = geometry.faces[ i ];
+
+ if ( face instanceof THREE.Face4 ) {
+
+ var a = face.a;
+ var b = face.b;
+ var c = face.c;
+ var d = face.d;
+
+ var triA = new THREE.Face3();
+ var triB = new THREE.Face3();
+
+ triA.color.copy( face.color );
+ triB.color.copy( face.color );
+
+ triA.materialIndex = face.materialIndex;
+ triB.materialIndex = face.materialIndex;
+
+ triA.a = a;
+ triA.b = b;
+ triA.c = d;
+
+ triB.a = b;
+ triB.b = c;
+ triB.c = d;
+
+ if ( face.vertexColors.length === 4 ) {
+
+ triA.vertexColors[ 0 ] = face.vertexColors[ 0 ].clone();
+ triA.vertexColors[ 1 ] = face.vertexColors[ 1 ].clone();
+ triA.vertexColors[ 2 ] = face.vertexColors[ 3 ].clone();
+
+ triB.vertexColors[ 0 ] = face.vertexColors[ 1 ].clone();
+ triB.vertexColors[ 1 ] = face.vertexColors[ 2 ].clone();
+ triB.vertexColors[ 2 ] = face.vertexColors[ 3 ].clone();
+
+ }
+
+ faces.push( triA, triB );
+
+ for ( j = 0, jl = geometry.faceVertexUvs.length; j < jl; j ++ ) {
+
+ if ( geometry.faceVertexUvs[ j ].length ) {
+
+ var uvs = geometry.faceVertexUvs[ j ][ i ];
+
+ var uvA = uvs[ 0 ];
+ var uvB = uvs[ 1 ];
+ var uvC = uvs[ 2 ];
+ var uvD = uvs[ 3 ];
+
+ var uvsTriA = [ uvA.clone(), uvB.clone(), uvD.clone() ];
+ var uvsTriB = [ uvB.clone(), uvC.clone(), uvD.clone() ];
+
+ faceVertexUvs[ j ].push( uvsTriA, uvsTriB );
+
+ }
+
+ }
+
+ for ( j = 0, jl = geometry.faceUvs.length; j < jl; j ++ ) {
+
+ if ( geometry.faceUvs[ j ].length ) {
+
+ var faceUv = geometry.faceUvs[ j ][ i ];
+
+ faceUvs[ j ].push( faceUv, faceUv );
+
+ }
+
+ }
+
+ } else {
+
+ faces.push( face );
+
+ for ( j = 0, jl = geometry.faceUvs.length; j < jl; j ++ ) {
+
+ faceUvs[ j ].push( geometry.faceUvs[ j ] );
+
+ }
+
+ for ( j = 0, jl = geometry.faceVertexUvs.length; j < jl; j ++ ) {
+
+ faceVertexUvs[ j ].push( geometry.faceVertexUvs[ j ] );
+
+ }
+
+ }
+
+ }
+
+ geometry.faces = faces;
+ geometry.faceUvs = faceUvs;
+ geometry.faceVertexUvs = faceVertexUvs;
+
+ geometry.computeCentroids();
+ geometry.computeFaceNormals();
+ geometry.computeVertexNormals();
+
+ if ( geometry.hasTangents ) geometry.computeTangents();
+
+ },
+
+ // Make all faces use unique vertices
+ // so that each face can be separated from others
+
+ explode: function( geometry ) {
+
+ var vertices = [];
+
+ for ( var i = 0, il = geometry.faces.length; i < il; i ++ ) {
+
+ var n = vertices.length;
+
+ var face = geometry.faces[ i ];
+
+ if ( face instanceof THREE.Face4 ) {
+
+ var a = face.a;
+ var b = face.b;
+ var c = face.c;
+ var d = face.d;
+
+ var va = geometry.vertices[ a ];
+ var vb = geometry.vertices[ b ];
+ var vc = geometry.vertices[ c ];
+ var vd = geometry.vertices[ d ];
+
+ vertices.push( va.clone() );
+ vertices.push( vb.clone() );
+ vertices.push( vc.clone() );
+ vertices.push( vd.clone() );
+
+ face.a = n;
+ face.b = n + 1;
+ face.c = n + 2;
+ face.d = n + 3;
+
+ } else {
+
+ var a = face.a;
+ var b = face.b;
+ var c = face.c;
+
+ var va = geometry.vertices[ a ];
+ var vb = geometry.vertices[ b ];
+ var vc = geometry.vertices[ c ];
+
+ vertices.push( va.clone() );
+ vertices.push( vb.clone() );
+ vertices.push( vc.clone() );
+
+ face.a = n;
+ face.b = n + 1;
+ face.c = n + 2;
+
+ }
+
+ }
+
+ geometry.vertices = vertices;
+ delete geometry.__tmpVertices;
+
+ },
+
+ // Break faces with edges longer than maxEdgeLength
+ // - not recursive
+
+ tessellate: function ( geometry, maxEdgeLength ) {
+
+ var i, il, face,
+ a, b, c, d,
+ va, vb, vc, vd,
+ dab, dbc, dac, dcd, dad,
+ m, m1, m2,
+ vm, vm1, vm2,
+ vnm, vnm1, vnm2,
+ vcm, vcm1, vcm2,
+ triA, triB,
+ quadA, quadB,
+ edge;
+
+ var faces = [];
+ var faceVertexUvs = [];
+
+ for ( i = 0, il = geometry.faceVertexUvs.length; i < il; i ++ ) {
+
+ faceVertexUvs[ i ] = [];
+
+ }
+
+ for ( i = 0, il = geometry.faces.length; i < il; i ++ ) {
+
+ face = geometry.faces[ i ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ a = face.a;
+ b = face.b;
+ c = face.c;
+
+ va = geometry.vertices[ a ];
+ vb = geometry.vertices[ b ];
+ vc = geometry.vertices[ c ];
+
+ dab = va.distanceTo( vb );
+ dbc = vb.distanceTo( vc );
+ dac = va.distanceTo( vc );
+
+ if ( dab > maxEdgeLength || dbc > maxEdgeLength || dac > maxEdgeLength ) {
+
+ m = geometry.vertices.length;
+
+ triA = face.clone();
+ triB = face.clone();
+
+ if ( dab >= dbc && dab >= dac ) {
+
+ vm = va.clone();
+ vm.lerpSelf( vb, 0.5 );
+
+ triA.a = a;
+ triA.b = m;
+ triA.c = c;
+
+ triB.a = m;
+ triB.b = b;
+ triB.c = c;
+
+ if ( face.vertexNormals.length === 3 ) {
+
+ vnm = face.vertexNormals[ 0 ].clone();
+ vnm.lerpSelf( face.vertexNormals[ 1 ], 0.5 );
+
+ triA.vertexNormals[ 1 ].copy( vnm );
+ triB.vertexNormals[ 0 ].copy( vnm );
+
+ }
+
+ if ( face.vertexColors.length === 3 ) {
+
+ vcm = face.vertexColors[ 0 ].clone();
+ vcm.lerpSelf( face.vertexColors[ 1 ], 0.5 );
+
+ triA.vertexColors[ 1 ].copy( vcm );
+ triB.vertexColors[ 0 ].copy( vcm );
+
+ }
+
+ edge = 0;
+
+ } else if ( dbc >= dab && dbc >= dac ) {
+
+ vm = vb.clone();
+ vm.lerpSelf( vc, 0.5 );
+
+ triA.a = a;
+ triA.b = b;
+ triA.c = m;
+
+ triB.a = m;
+ triB.b = c;
+ triB.c = a;
+
+ if ( face.vertexNormals.length === 3 ) {
+
+ vnm = face.vertexNormals[ 1 ].clone();
+ vnm.lerpSelf( face.vertexNormals[ 2 ], 0.5 );
+
+ triA.vertexNormals[ 2 ].copy( vnm );
+
+ triB.vertexNormals[ 0 ].copy( vnm );
+ triB.vertexNormals[ 1 ].copy( face.vertexNormals[ 2 ] );
+ triB.vertexNormals[ 2 ].copy( face.vertexNormals[ 0 ] );
+
+ }
+
+ if ( face.vertexColors.length === 3 ) {
+
+ vcm = face.vertexColors[ 1 ].clone();
+ vcm.lerpSelf( face.vertexColors[ 2 ], 0.5 );
+
+ triA.vertexColors[ 2 ].copy( vcm );
+
+ triB.vertexColors[ 0 ].copy( vcm );
+ triB.vertexColors[ 1 ].copy( face.vertexColors[ 2 ] );
+ triB.vertexColors[ 2 ].copy( face.vertexColors[ 0 ] );
+
+ }
+
+ edge = 1;
+
+ } else {
+
+ vm = va.clone();
+ vm.lerpSelf( vc, 0.5 );
+
+ triA.a = a;
+ triA.b = b;
+ triA.c = m;
+
+ triB.a = m;
+ triB.b = b;
+ triB.c = c;
+
+ if ( face.vertexNormals.length === 3 ) {
+
+ vnm = face.vertexNormals[ 0 ].clone();
+ vnm.lerpSelf( face.vertexNormals[ 2 ], 0.5 );
+
+ triA.vertexNormals[ 2 ].copy( vnm );
+ triB.vertexNormals[ 0 ].copy( vnm );
+
+ }
+
+ if ( face.vertexColors.length === 3 ) {
+
+ vcm = face.vertexColors[ 0 ].clone();
+ vcm.lerpSelf( face.vertexColors[ 2 ], 0.5 );
+
+ triA.vertexColors[ 2 ].copy( vcm );
+ triB.vertexColors[ 0 ].copy( vcm );
+
+ }
+
+ edge = 2;
+
+ }
+
+ faces.push( triA, triB );
+ geometry.vertices.push( vm );
+
+ var j, jl, uvs, uvA, uvB, uvC, uvM, uvsTriA, uvsTriB;
+
+ for ( j = 0, jl = geometry.faceVertexUvs.length; j < jl; j ++ ) {
+
+ if ( geometry.faceVertexUvs[ j ].length ) {
+
+ uvs = geometry.faceVertexUvs[ j ][ i ];
+
+ uvA = uvs[ 0 ];
+ uvB = uvs[ 1 ];
+ uvC = uvs[ 2 ];
+
+ // AB
+
+ if ( edge === 0 ) {
+
+ uvM = uvA.clone();
+ uvM.lerpSelf( uvB, 0.5 );
+
+ uvsTriA = [ uvA.clone(), uvM.clone(), uvC.clone() ];
+ uvsTriB = [ uvM.clone(), uvB.clone(), uvC.clone() ];
+
+ // BC
+
+ } else if ( edge === 1 ) {
+
+ uvM = uvB.clone();
+ uvM.lerpSelf( uvC, 0.5 );
+
+ uvsTriA = [ uvA.clone(), uvB.clone(), uvM.clone() ];
+ uvsTriB = [ uvM.clone(), uvC.clone(), uvA.clone() ];
+
+ // AC
+
+ } else {
+
+ uvM = uvA.clone();
+ uvM.lerpSelf( uvC, 0.5 );
+
+ uvsTriA = [ uvA.clone(), uvB.clone(), uvM.clone() ];
+ uvsTriB = [ uvM.clone(), uvB.clone(), uvC.clone() ];
+
+ }
+
+ faceVertexUvs[ j ].push( uvsTriA, uvsTriB );
+
+ }
+
+ }
+
+ } else {
+
+ faces.push( face );
+
+ for ( j = 0, jl = geometry.faceVertexUvs.length; j < jl; j ++ ) {
+
+ faceVertexUvs[ j ].push( geometry.faceVertexUvs[ j ][ i ] );
+
+ }
+
+ }
+
+ } else {
+
+ a = face.a;
+ b = face.b;
+ c = face.c;
+ d = face.d;
+
+ va = geometry.vertices[ a ];
+ vb = geometry.vertices[ b ];
+ vc = geometry.vertices[ c ];
+ vd = geometry.vertices[ d ];
+
+ dab = va.distanceTo( vb );
+ dbc = vb.distanceTo( vc );
+ dcd = vc.distanceTo( vd );
+ dad = va.distanceTo( vd );
+
+ if ( dab > maxEdgeLength || dbc > maxEdgeLength || dcd > maxEdgeLength || dad > maxEdgeLength ) {
+
+ m1 = geometry.vertices.length;
+ m2 = geometry.vertices.length + 1;
+
+ quadA = face.clone();
+ quadB = face.clone();
+
+ if ( ( dab >= dbc && dab >= dcd && dab >= dad ) || ( dcd >= dbc && dcd >= dab && dcd >= dad ) ) {
+
+ vm1 = va.clone();
+ vm1.lerpSelf( vb, 0.5 );
+
+ vm2 = vc.clone();
+ vm2.lerpSelf( vd, 0.5 );
+
+ quadA.a = a;
+ quadA.b = m1;
+ quadA.c = m2;
+ quadA.d = d;
+
+ quadB.a = m1;
+ quadB.b = b;
+ quadB.c = c;
+ quadB.d = m2;
+
+ if ( face.vertexNormals.length === 4 ) {
+
+ vnm1 = face.vertexNormals[ 0 ].clone();
+ vnm1.lerpSelf( face.vertexNormals[ 1 ], 0.5 );
+
+ vnm2 = face.vertexNormals[ 2 ].clone();
+ vnm2.lerpSelf( face.vertexNormals[ 3 ], 0.5 );
+
+ quadA.vertexNormals[ 1 ].copy( vnm1 );
+ quadA.vertexNormals[ 2 ].copy( vnm2 );
+
+ quadB.vertexNormals[ 0 ].copy( vnm1 );
+ quadB.vertexNormals[ 3 ].copy( vnm2 );
+
+ }
+
+ if ( face.vertexColors.length === 4 ) {
+
+ vcm1 = face.vertexColors[ 0 ].clone();
+ vcm1.lerpSelf( face.vertexColors[ 1 ], 0.5 );
+
+ vcm2 = face.vertexColors[ 2 ].clone();
+ vcm2.lerpSelf( face.vertexColors[ 3 ], 0.5 );
+
+ quadA.vertexColors[ 1 ].copy( vcm1 );
+ quadA.vertexColors[ 2 ].copy( vcm2 );
+
+ quadB.vertexColors[ 0 ].copy( vcm1 );
+ quadB.vertexColors[ 3 ].copy( vcm2 );
+
+ }
+
+ edge = 0;
+
+ } else {
+
+ vm1 = vb.clone();
+ vm1.lerpSelf( vc, 0.5 );
+
+ vm2 = vd.clone();
+ vm2.lerpSelf( va, 0.5 );
+
+ quadA.a = a;
+ quadA.b = b;
+ quadA.c = m1;
+ quadA.d = m2;
+
+ quadB.a = m2;
+ quadB.b = m1;
+ quadB.c = c;
+ quadB.d = d;
+
+ if ( face.vertexNormals.length === 4 ) {
+
+ vnm1 = face.vertexNormals[ 1 ].clone();
+ vnm1.lerpSelf( face.vertexNormals[ 2 ], 0.5 );
+
+ vnm2 = face.vertexNormals[ 3 ].clone();
+ vnm2.lerpSelf( face.vertexNormals[ 0 ], 0.5 );
+
+ quadA.vertexNormals[ 2 ].copy( vnm1 );
+ quadA.vertexNormals[ 3 ].copy( vnm2 );
+
+ quadB.vertexNormals[ 0 ].copy( vnm2 );
+ quadB.vertexNormals[ 1 ].copy( vnm1 );
+
+ }
+
+ if ( face.vertexColors.length === 4 ) {
+
+ vcm1 = face.vertexColors[ 1 ].clone();
+ vcm1.lerpSelf( face.vertexColors[ 2 ], 0.5 );
+
+ vcm2 = face.vertexColors[ 3 ].clone();
+ vcm2.lerpSelf( face.vertexColors[ 0 ], 0.5 );
+
+ quadA.vertexColors[ 2 ].copy( vcm1 );
+ quadA.vertexColors[ 3 ].copy( vcm2 );
+
+ quadB.vertexColors[ 0 ].copy( vcm2 );
+ quadB.vertexColors[ 1 ].copy( vcm1 );
+
+ }
+
+ edge = 1;
+
+ }
+
+ faces.push( quadA, quadB );
+ geometry.vertices.push( vm1, vm2 );
+
+ var j, jl, uvs, uvA, uvB, uvC, uvD, uvM1, uvM2, uvsQuadA, uvsQuadB;
+
+ for ( j = 0, jl = geometry.faceVertexUvs.length; j < jl; j ++ ) {
+
+ if ( geometry.faceVertexUvs[ j ].length ) {
+
+ uvs = geometry.faceVertexUvs[ j ][ i ];
+
+ uvA = uvs[ 0 ];
+ uvB = uvs[ 1 ];
+ uvC = uvs[ 2 ];
+ uvD = uvs[ 3 ];
+
+ // AB + CD
+
+ if ( edge === 0 ) {
+
+ uvM1 = uvA.clone();
+ uvM1.lerpSelf( uvB, 0.5 );
+
+ uvM2 = uvC.clone();
+ uvM2.lerpSelf( uvD, 0.5 );
+
+ uvsQuadA = [ uvA.clone(), uvM1.clone(), uvM2.clone(), uvD.clone() ];
+ uvsQuadB = [ uvM1.clone(), uvB.clone(), uvC.clone(), uvM2.clone() ];
+
+ // BC + AD
+
+ } else {
+
+ uvM1 = uvB.clone();
+ uvM1.lerpSelf( uvC, 0.5 );
+
+ uvM2 = uvD.clone();
+ uvM2.lerpSelf( uvA, 0.5 );
+
+ uvsQuadA = [ uvA.clone(), uvB.clone(), uvM1.clone(), uvM2.clone() ];
+ uvsQuadB = [ uvM2.clone(), uvM1.clone(), uvC.clone(), uvD.clone() ];
+
+ }
+
+ faceVertexUvs[ j ].push( uvsQuadA, uvsQuadB );
+
+ }
+
+ }
+
+ } else {
+
+ faces.push( face );
+
+ for ( j = 0, jl = geometry.faceVertexUvs.length; j < jl; j ++ ) {
+
+ faceVertexUvs[ j ].push( geometry.faceVertexUvs[ j ][ i ] );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ geometry.faces = faces;
+ geometry.faceVertexUvs = faceVertexUvs;
+
+ }
+
+};
+
+THREE.GeometryUtils.random = THREE.Math.random16;
+
+THREE.GeometryUtils.__v1 = new THREE.Vector3();
+/**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+THREE.ImageUtils = {
+
+ crossOrigin: 'anonymous',
+
+ loadTexture: function ( path, mapping, callback ) {
+
+ var image = new Image(), texture = new THREE.Texture( image, mapping );
+
+ image.onload = function () { texture.needsUpdate = true; if ( callback ) callback( this ); };
+ image.crossOrigin = this.crossOrigin;
+ image.src = path;
+
+ return texture;
+
+ },
+
+ loadTextureCube: function ( array, mapping, callback ) {
+
+ var i, l, images = [], texture = new THREE.Texture( images, mapping );
+
+ images.loadCount = 0;
+
+ for ( i = 0, l = array.length; i < l; ++ i ) {
+
+ images[ i ] = new Image();
+ images[ i ].onload = function () {
+
+ images.loadCount += 1;
+ if ( images.loadCount === 6 ) texture.needsUpdate = true;
+ if ( callback ) callback( this );
+
+ };
+
+ images[ i ].crossOrigin = this.crossOrigin;
+ images[ i ].src = array[ i ];
+
+ }
+
+ return texture;
+
+ },
+
+ getNormalMap: function ( image, depth ) {
+
+ // Adapted from http://www.paulbrunt.co.uk/lab/heightnormal/
+
+ var cross = function ( a, b ) {
+
+ return [ a[ 1 ] * b[ 2 ] - a[ 2 ] * b[ 1 ], a[ 2 ] * b[ 0 ] - a[ 0 ] * b[ 2 ], a[ 0 ] * b[ 1 ] - a[ 1 ] * b[ 0 ] ];
+
+ }
+
+ var subtract = function ( a, b ) {
+
+ return [ a[ 0 ] - b[ 0 ], a[ 1 ] - b[ 1 ], a[ 2 ] - b[ 2 ] ];
+
+ }
+
+ var normalize = function ( a ) {
+
+ var l = Math.sqrt( a[ 0 ] * a[ 0 ] + a[ 1 ] * a[ 1 ] + a[ 2 ] * a[ 2 ] );
+ return [ a[ 0 ] / l, a[ 1 ] / l, a[ 2 ] / l ];
+
+ }
+
+ depth = depth | 1;
+
+ var width = image.width;
+ var height = image.height;
+
+ var canvas = document.createElement( 'canvas' );
+ canvas.width = width;
+ canvas.height = height;
+
+ var context = canvas.getContext( '2d' );
+ context.drawImage( image, 0, 0 );
+
+ var data = context.getImageData( 0, 0, width, height ).data;
+ var imageData = context.createImageData( width, height );
+ var output = imageData.data;
+
+ for ( var x = 0; x < width; x ++ ) {
+
+ for ( var y = 0; y < height; y ++ ) {
+
+ var ly = y - 1 < 0 ? 0 : y - 1;
+ var uy = y + 1 > height - 1 ? height - 1 : y + 1;
+ var lx = x - 1 < 0 ? 0 : x - 1;
+ var ux = x + 1 > width - 1 ? width - 1 : x + 1;
+
+ var points = [];
+ var origin = [ 0, 0, data[ ( y * width + x ) * 4 ] / 255 * depth ];
+ points.push( [ - 1, 0, data[ ( y * width + lx ) * 4 ] / 255 * depth ] );
+ points.push( [ - 1, - 1, data[ ( ly * width + lx ) * 4 ] / 255 * depth ] );
+ points.push( [ 0, - 1, data[ ( ly * width + x ) * 4 ] / 255 * depth ] );
+ points.push( [ 1, - 1, data[ ( ly * width + ux ) * 4 ] / 255 * depth ] );
+ points.push( [ 1, 0, data[ ( y * width + ux ) * 4 ] / 255 * depth ] );
+ points.push( [ 1, 1, data[ ( uy * width + ux ) * 4 ] / 255 * depth ] );
+ points.push( [ 0, 1, data[ ( uy * width + x ) * 4 ] / 255 * depth ] );
+ points.push( [ - 1, 1, data[ ( uy * width + lx ) * 4 ] / 255 * depth ] );
+
+ var normals = [];
+ var num_points = points.length;
+
+ for ( var i = 0; i < num_points; i ++ ) {
+
+ var v1 = points[ i ];
+ var v2 = points[ ( i + 1 ) % num_points ];
+ v1 = subtract( v1, origin );
+ v2 = subtract( v2, origin );
+ normals.push( normalize( cross( v1, v2 ) ) );
+
+ }
+
+ var normal = [ 0, 0, 0 ];
+
+ for ( var i = 0; i < normals.length; i ++ ) {
+
+ normal[ 0 ] += normals[ i ][ 0 ];
+ normal[ 1 ] += normals[ i ][ 1 ];
+ normal[ 2 ] += normals[ i ][ 2 ];
+
+ }
+
+ normal[ 0 ] /= normals.length;
+ normal[ 1 ] /= normals.length;
+ normal[ 2 ] /= normals.length;
+
+ var idx = ( y * width + x ) * 4;
+
+ output[ idx ] = ( ( normal[ 0 ] + 1.0 ) / 2.0 * 255 ) | 0;
+ output[ idx + 1 ] = ( ( normal[ 1 ] + 1.0 / 2.0 ) * 255 ) | 0;
+ output[ idx + 2 ] = ( normal[ 2 ] * 255 ) | 0;
+ output[ idx + 3 ] = 255;
+
+ }
+
+ }
+
+ context.putImageData( imageData, 0, 0 );
+
+ return canvas;
+
+ },
+
+ generateDataTexture: function ( width, height, color ) {
+
+ var size = width * height;
+ var data = new Uint8Array( 3 * size );
+
+ var r = Math.floor( color.r * 255 );
+ var g = Math.floor( color.g * 255 );
+ var b = Math.floor( color.b * 255 );
+
+ for ( var i = 0; i < size; i ++ ) {
+
+ data[ i * 3 ] = r;
+ data[ i * 3 + 1 ] = g;
+ data[ i * 3 + 2 ] = b;
+
+ }
+
+ var texture = new THREE.DataTexture( data, width, height, THREE.RGBFormat );
+ texture.needsUpdate = true;
+
+ return texture;
+
+ }
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.SceneUtils = {
+
+ showHierarchy : function ( root, visible ) {
+
+ THREE.SceneUtils.traverseHierarchy( root, function( node ) { node.visible = visible; } );
+
+ },
+
+ traverseHierarchy : function ( root, callback ) {
+
+ var n, i, l = root.children.length;
+
+ for ( i = 0; i < l; i ++ ) {
+
+ n = root.children[ i ];
+
+ callback( n );
+
+ THREE.SceneUtils.traverseHierarchy( n, callback );
+
+ }
+
+ },
+
+ createMultiMaterialObject : function ( geometry, materials ) {
+
+ var i, il = materials.length,
+ group = new THREE.Object3D();
+
+ for ( i = 0; i < il; i ++ ) {
+
+ var object = new THREE.Mesh( geometry, materials[ i ] );
+ group.add( object );
+
+ }
+
+ return group;
+
+ },
+
+ cloneObject: function ( source ) {
+
+ var object;
+
+ // subclass specific properties
+ // (must process in order from more specific subclasses to more abstract classes)
+
+ if ( source instanceof THREE.MorphAnimMesh ) {
+
+ object = new THREE.MorphAnimMesh( source.geometry, source.material );
+
+ object.duration = source.duration;
+ object.mirroredLoop = source.mirroredLoop;
+ object.time = source.time;
+
+ object.lastKeyframe = source.lastKeyframe;
+ object.currentKeyframe = source.currentKeyframe;
+
+ object.direction = source.direction;
+ object.directionBackwards = source.directionBackwards;
+
+ } else if ( source instanceof THREE.SkinnedMesh ) {
+
+ object = new THREE.SkinnedMesh( source.geometry, source.material );
+
+ } else if ( source instanceof THREE.Mesh ) {
+
+ object = new THREE.Mesh( source.geometry, source.material );
+
+ } else if ( source instanceof THREE.Line ) {
+
+ object = new THREE.Line( source.geometry, source.material, source.type );
+
+ } else if ( source instanceof THREE.Ribbon ) {
+
+ object = new THREE.Ribbon( source.geometry, source.material );
+
+ } else if ( source instanceof THREE.ParticleSystem ) {
+
+ object = new THREE.ParticleSystem( source.geometry, source.material );
+ object.sortParticles = source.sortParticles;
+
+ } else if ( source instanceof THREE.Particle ) {
+
+ object = new THREE.Particle( source.material );
+
+ } else if ( source instanceof THREE.Sprite ) {
+
+ object = new THREE.Sprite( {} );
+
+ object.color.copy( source.color );
+ object.map = source.map;
+ object.blending = source.blending;
+
+ object.useScreenCoordinates = source.useScreenCoordinates;
+ object.mergeWith3D = source.mergeWith3D;
+ object.affectedByDistance = source.affectedByDistance;
+ object.scaleByViewport = source.scaleByViewport;
+ object.alignment = source.alignment;
+
+ object.rotation3d.copy( source.rotation3d );
+ object.rotation = source.rotation;
+ object.opacity = source.opacity;
+
+ object.uvOffset.copy( source.uvOffset );
+ object.uvScale.copy( source.uvScale);
+
+ } else if ( source instanceof THREE.LOD ) {
+
+ object = new THREE.LOD();
+
+ } else if ( source instanceof THREE.MarchingCubes ) {
+
+ object = new THREE.MarchingCubes( source.resolution, source.material );
+ object.field.set( source.field );
+ object.isolation = source.isolation;
+
+ } else if ( source instanceof THREE.Object3D ) {
+
+ object = new THREE.Object3D();
+
+ }
+
+ // base class properties
+
+ object.name = source.name;
+
+ object.parent = source.parent;
+
+ object.up.copy( source.up );
+
+ object.position.copy( source.position );
+
+ // because of Sprite madness
+
+ if ( object.rotation instanceof THREE.Vector3 )
+ object.rotation.copy( source.rotation );
+
+ object.eulerOrder = source.eulerOrder;
+
+ object.scale.copy( source.scale );
+
+ object.dynamic = source.dynamic;
+
+ object.doubleSided = source.doubleSided;
+ object.flipSided = source.flipSided;
+
+ object.renderDepth = source.renderDepth;
+
+ object.rotationAutoUpdate = source.rotationAutoUpdate;
+
+ object.matrix.copy( source.matrix );
+ object.matrixWorld.copy( source.matrixWorld );
+ object.matrixRotationWorld.copy( source.matrixRotationWorld );
+
+ object.matrixAutoUpdate = source.matrixAutoUpdate;
+ object.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;
+
+ object.quaternion.copy( source.quaternion );
+ object.useQuaternion = source.useQuaternion;
+
+ object.boundRadius = source.boundRadius;
+ object.boundRadiusScale = source.boundRadiusScale;
+
+ object.visible = source.visible;
+
+ object.castShadow = source.castShadow;
+ object.receiveShadow = source.receiveShadow;
+
+ object.frustumCulled = source.frustumCulled;
+
+ // children
+
+ for ( var i = 0; i < source.children.length; i ++ ) {
+
+ var child = THREE.SceneUtils.cloneObject( source.children[ i ] );
+ object.children[ i ] = child;
+
+ child.parent = object;
+
+ }
+
+ // LODs need to be patched separately to use cloned children
+
+ if ( source instanceof THREE.LOD ) {
+
+ for ( var i = 0; i < source.LODs.length; i ++ ) {
+
+ var lod = source.LODs[ i ];
+ object.LODs[ i ] = { visibleAtDistance: lod.visibleAtDistance, object3D: object.children[ i ] };
+
+ }
+
+ }
+
+ return object;
+
+ },
+
+ detach : function ( child, parent, scene ) {
+
+ child.applyMatrix( parent.matrixWorld );
+ parent.remove( child );
+ scene.add( child );
+
+ },
+
+ attach: function ( child, scene, parent ) {
+
+ var matrixWorldInverse = new THREE.Matrix4();
+ matrixWorldInverse.getInverse( parent.matrixWorld );
+ child.applyMatrix( matrixWorldInverse );
+
+ scene.remove( child );
+ parent.add( child );
+
+ }
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mr.doob / http://mrdoob.com/
+ *
+ * ShaderUtils currently contains:
+ *
+ * fresnel
+ * normal
+ * cube
+ *
+ */
+
+if ( THREE.WebGLRenderer ) {
+
+THREE.ShaderUtils = {
+
+ lib: {
+
+ /* -------------------------------------------------------------------------
+ // Fresnel shader
+ // - based on Nvidia Cg tutorial
+ ------------------------------------------------------------------------- */
+
+ 'fresnel': {
+
+ uniforms: {
+
+ "mRefractionRatio": { type: "f", value: 1.02 },
+ "mFresnelBias": { type: "f", value: 0.1 },
+ "mFresnelPower": { type: "f", value: 2.0 },
+ "mFresnelScale": { type: "f", value: 1.0 },
+ "tCube": { type: "t", value: 1, texture: null }
+
+ },
+
+ fragmentShader: [
+
+ "uniform samplerCube tCube;",
+
+ "varying vec3 vReflect;",
+ "varying vec3 vRefract[3];",
+ "varying float vReflectionFactor;",
+
+ "void main() {",
+
+ "vec4 reflectedColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );",
+ "vec4 refractedColor = vec4( 1.0, 1.0, 1.0, 1.0 );",
+
+ "refractedColor.r = textureCube( tCube, vec3( -vRefract[0].x, vRefract[0].yz ) ).r;",
+ "refractedColor.g = textureCube( tCube, vec3( -vRefract[1].x, vRefract[1].yz ) ).g;",
+ "refractedColor.b = textureCube( tCube, vec3( -vRefract[2].x, vRefract[2].yz ) ).b;",
+ "refractedColor.a = 1.0;",
+
+ "gl_FragColor = mix( refractedColor, reflectedColor, clamp( vReflectionFactor, 0.0, 1.0 ) );",
+
+ "}"
+
+ ].join("\n"),
+
+ vertexShader: [
+
+ "uniform float mRefractionRatio;",
+ "uniform float mFresnelBias;",
+ "uniform float mFresnelScale;",
+ "uniform float mFresnelPower;",
+
+ "varying vec3 vReflect;",
+ "varying vec3 vRefract[3];",
+ "varying float vReflectionFactor;",
+
+ "void main() {",
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+ "vec4 mPosition = objectMatrix * vec4( position, 1.0 );",
+
+ "vec3 nWorld = normalize ( mat3( objectMatrix[0].xyz, objectMatrix[1].xyz, objectMatrix[2].xyz ) * normal );",
+
+ "vec3 I = mPosition.xyz - cameraPosition;",
+
+ "vReflect = reflect( I, nWorld );",
+ "vRefract[0] = refract( normalize( I ), nWorld, mRefractionRatio );",
+ "vRefract[1] = refract( normalize( I ), nWorld, mRefractionRatio * 0.99 );",
+ "vRefract[2] = refract( normalize( I ), nWorld, mRefractionRatio * 0.98 );",
+ "vReflectionFactor = mFresnelBias + mFresnelScale * pow( 1.0 + dot( normalize( I ), nWorld ), mFresnelPower );",
+
+ "gl_Position = projectionMatrix * mvPosition;",
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ /* -------------------------------------------------------------------------
+ // Normal map shader
+ // - Blinn-Phong
+ // - normal + diffuse + specular + AO + displacement + reflection + shadow maps
+ // - point and directional lights (use with "lights: true" material option)
+ ------------------------------------------------------------------------- */
+
+ 'normal' : {
+
+ uniforms: THREE.UniformsUtils.merge( [
+
+ THREE.UniformsLib[ "fog" ],
+ THREE.UniformsLib[ "lights" ],
+ THREE.UniformsLib[ "shadowmap" ],
+
+ {
+
+ "enableAO" : { type: "i", value: 0 },
+ "enableDiffuse" : { type: "i", value: 0 },
+ "enableSpecular" : { type: "i", value: 0 },
+ "enableReflection": { type: "i", value: 0 },
+
+ "tDiffuse" : { type: "t", value: 0, texture: null },
+ "tCube" : { type: "t", value: 1, texture: null },
+ "tNormal" : { type: "t", value: 2, texture: null },
+ "tSpecular" : { type: "t", value: 3, texture: null },
+ "tAO" : { type: "t", value: 4, texture: null },
+ "tDisplacement": { type: "t", value: 5, texture: null },
+
+ "uNormalScale": { type: "f", value: 1.0 },
+
+ "uDisplacementBias": { type: "f", value: 0.0 },
+ "uDisplacementScale": { type: "f", value: 1.0 },
+
+ "uDiffuseColor": { type: "c", value: new THREE.Color( 0xffffff ) },
+ "uSpecularColor": { type: "c", value: new THREE.Color( 0x111111 ) },
+ "uAmbientColor": { type: "c", value: new THREE.Color( 0xffffff ) },
+ "uShininess": { type: "f", value: 30 },
+ "uOpacity": { type: "f", value: 1 },
+
+ "uReflectivity": { type: "f", value: 0.5 },
+
+ "uOffset" : { type: "v2", value: new THREE.Vector2( 0, 0 ) },
+ "uRepeat" : { type: "v2", value: new THREE.Vector2( 1, 1 ) },
+
+ "wrapRGB" : { type: "v3", value: new THREE.Vector3( 1, 1, 1 ) }
+
+ }
+
+ ] ),
+
+ fragmentShader: [
+
+ "uniform vec3 uAmbientColor;",
+ "uniform vec3 uDiffuseColor;",
+ "uniform vec3 uSpecularColor;",
+ "uniform float uShininess;",
+ "uniform float uOpacity;",
+
+ "uniform bool enableDiffuse;",
+ "uniform bool enableSpecular;",
+ "uniform bool enableAO;",
+ "uniform bool enableReflection;",
+
+ "uniform sampler2D tDiffuse;",
+ "uniform sampler2D tNormal;",
+ "uniform sampler2D tSpecular;",
+ "uniform sampler2D tAO;",
+
+ "uniform samplerCube tCube;",
+
+ "uniform float uNormalScale;",
+ "uniform float uReflectivity;",
+
+ "varying vec3 vTangent;",
+ "varying vec3 vBinormal;",
+ "varying vec3 vNormal;",
+ "varying vec2 vUv;",
+
+ "uniform vec3 ambientLightColor;",
+
+ "#if MAX_DIR_LIGHTS > 0",
+ "uniform vec3 directionalLightColor[ MAX_DIR_LIGHTS ];",
+ "uniform vec3 directionalLightDirection[ MAX_DIR_LIGHTS ];",
+ "#endif",
+
+ "#if MAX_POINT_LIGHTS > 0",
+ "uniform vec3 pointLightColor[ MAX_POINT_LIGHTS ];",
+ "varying vec4 vPointLight[ MAX_POINT_LIGHTS ];",
+ "#endif",
+
+ "#ifdef WRAP_AROUND",
+ "uniform vec3 wrapRGB;",
+ "#endif",
+
+ "varying vec3 vViewPosition;",
+
+ THREE.ShaderChunk[ "shadowmap_pars_fragment" ],
+ THREE.ShaderChunk[ "fog_pars_fragment" ],
+
+ "void main() {",
+
+ "gl_FragColor = vec4( vec3( 1.0 ), uOpacity );",
+
+ "vec3 specularTex = vec3( 1.0 );",
+
+ "vec3 normalTex = texture2D( tNormal, vUv ).xyz * 2.0 - 1.0;",
+ "normalTex.xy *= uNormalScale;",
+ "normalTex = normalize( normalTex );",
+
+ "if( enableDiffuse ) {",
+
+ "#ifdef GAMMA_INPUT",
+
+ "vec4 texelColor = texture2D( tDiffuse, vUv );",
+ "texelColor.xyz *= texelColor.xyz;",
+
+ "gl_FragColor = gl_FragColor * texelColor;",
+
+ "#else",
+
+ "gl_FragColor = gl_FragColor * texture2D( tDiffuse, vUv );",
+
+ "#endif",
+
+ "}",
+
+ "if( enableAO ) {",
+
+ "#ifdef GAMMA_INPUT",
+
+ "vec4 aoColor = texture2D( tAO, vUv );",
+ "aoColor.xyz *= aoColor.xyz;",
+
+ "gl_FragColor.xyz = gl_FragColor.xyz * aoColor.xyz;",
+
+ "#else",
+
+ "gl_FragColor.xyz = gl_FragColor.xyz * texture2D( tAO, vUv ).xyz;",
+
+ "#endif",
+
+ "}",
+
+ "if( enableSpecular )",
+ "specularTex = texture2D( tSpecular, vUv ).xyz;",
+
+ "mat3 tsb = mat3( normalize( vTangent ), normalize( vBinormal ), normalize( vNormal ) );",
+ "vec3 finalNormal = tsb * normalTex;",
+
+ "vec3 normal = normalize( finalNormal );",
+ "vec3 viewPosition = normalize( vViewPosition );",
+
+ // point lights
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "vec3 pointDiffuse = vec3( 0.0 );",
+ "vec3 pointSpecular = vec3( 0.0 );",
+
+ "for ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {",
+
+ "vec3 pointVector = normalize( vPointLight[ i ].xyz );",
+ "float pointDistance = vPointLight[ i ].w;",
+
+ // diffuse
+
+ "#ifdef WRAP_AROUND",
+
+ "float pointDiffuseWeightFull = max( dot( normal, pointVector ), 0.0 );",
+ "float pointDiffuseWeightHalf = max( 0.5 * dot( normal, pointVector ) + 0.5, 0.0 );",
+
+ "vec3 pointDiffuseWeight = mix( vec3 ( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );",
+
+ "#else",
+
+ "float pointDiffuseWeight = max( dot( normal, pointVector ), 0.0 );",
+
+ "#endif",
+
+ "pointDiffuse += pointDistance * pointLightColor[ i ] * uDiffuseColor * pointDiffuseWeight;",
+
+ // specular
+
+ "vec3 pointHalfVector = normalize( pointVector + viewPosition );",
+ "float pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );",
+ "float pointSpecularWeight = specularTex.r * max( pow( pointDotNormalHalf, uShininess ), 0.0 );",
+
+ "#ifdef PHYSICALLY_BASED_SHADING",
+
+ // 2.0 => 2.0001 is hack to work around ANGLE bug
+
+ "float specularNormalization = ( uShininess + 2.0001 ) / 8.0;",
+
+ "vec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( pointVector, pointHalfVector ), 5.0 );",
+ "pointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * pointDistance * specularNormalization;",
+
+ "#else",
+
+ "pointSpecular += pointDistance * pointLightColor[ i ] * uSpecularColor * pointSpecularWeight * pointDiffuseWeight;",
+
+ "#endif",
+
+ "}",
+
+ "#endif",
+
+ // directional lights
+
+ "#if MAX_DIR_LIGHTS > 0",
+
+ "vec3 dirDiffuse = vec3( 0.0 );",
+ "vec3 dirSpecular = vec3( 0.0 );",
+
+ "for( int i = 0; i < MAX_DIR_LIGHTS; i++ ) {",
+
+ "vec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );",
+ "vec3 dirVector = normalize( lDirection.xyz );",
+
+ // diffuse
+
+ "#ifdef WRAP_AROUND",
+
+ "float directionalLightWeightingFull = max( dot( normal, dirVector ), 0.0 );",
+ "float directionalLightWeightingHalf = max( 0.5 * dot( normal, dirVector ) + 0.5, 0.0 );",
+
+ "vec3 dirDiffuseWeight = mix( vec3( directionalLightWeightingFull ), vec3( directionalLightWeightingHalf ), wrapRGB );",
+
+ "#else",
+
+ "float dirDiffuseWeight = max( dot( normal, dirVector ), 0.0 );",
+
+ "#endif",
+
+ "dirDiffuse += directionalLightColor[ i ] * uDiffuseColor * dirDiffuseWeight;",
+
+ // specular
+
+ "vec3 dirHalfVector = normalize( dirVector + viewPosition );",
+ "float dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );",
+ "float dirSpecularWeight = specularTex.r * max( pow( dirDotNormalHalf, uShininess ), 0.0 );",
+
+ "#ifdef PHYSICALLY_BASED_SHADING",
+
+ // 2.0 => 2.0001 is hack to work around ANGLE bug
+
+ "float specularNormalization = ( uShininess + 2.0001 ) / 8.0;",
+
+ "vec3 schlick = uSpecularColor + vec3( 1.0 - uSpecularColor ) * pow( 1.0 - dot( dirVector, dirHalfVector ), 5.0 );",
+ "dirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;",
+
+ "#else",
+
+ "dirSpecular += directionalLightColor[ i ] * uSpecularColor * dirSpecularWeight * dirDiffuseWeight;",
+
+ "#endif",
+
+ "}",
+
+ "#endif",
+
+ // all lights contribution summation
+
+ "vec3 totalDiffuse = vec3( 0.0 );",
+ "vec3 totalSpecular = vec3( 0.0 );",
+
+ "#if MAX_DIR_LIGHTS > 0",
+
+ "totalDiffuse += dirDiffuse;",
+ "totalSpecular += dirSpecular;",
+
+ "#endif",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "totalDiffuse += pointDiffuse;",
+ "totalSpecular += pointSpecular;",
+
+ "#endif",
+
+ "gl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * uAmbientColor) + totalSpecular;",
+
+ "if ( enableReflection ) {",
+
+ "vec3 wPos = cameraPosition - vViewPosition;",
+ "vec3 vReflect = reflect( normalize( wPos ), normal );",
+
+ "vec4 cubeColor = textureCube( tCube, vec3( -vReflect.x, vReflect.yz ) );",
+
+ "#ifdef GAMMA_INPUT",
+
+ "cubeColor.xyz *= cubeColor.xyz;",
+
+ "#endif",
+
+ "gl_FragColor.xyz = mix( gl_FragColor.xyz, cubeColor.xyz, specularTex.r * uReflectivity );",
+
+ "}",
+
+ THREE.ShaderChunk[ "shadowmap_fragment" ],
+ THREE.ShaderChunk[ "linear_to_gamma_fragment" ],
+ THREE.ShaderChunk[ "fog_fragment" ],
+
+ "}"
+
+ ].join("\n"),
+
+ vertexShader: [
+
+ "attribute vec4 tangent;",
+
+ "uniform vec2 uOffset;",
+ "uniform vec2 uRepeat;",
+
+ "#ifdef VERTEX_TEXTURES",
+
+ "uniform sampler2D tDisplacement;",
+ "uniform float uDisplacementScale;",
+ "uniform float uDisplacementBias;",
+
+ "#endif",
+
+ "varying vec3 vTangent;",
+ "varying vec3 vBinormal;",
+ "varying vec3 vNormal;",
+ "varying vec2 vUv;",
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "uniform vec3 pointLightPosition[ MAX_POINT_LIGHTS ];",
+ "uniform float pointLightDistance[ MAX_POINT_LIGHTS ];",
+
+ "varying vec4 vPointLight[ MAX_POINT_LIGHTS ];",
+
+ "#endif",
+
+ "varying vec3 vViewPosition;",
+
+ THREE.ShaderChunk[ "shadowmap_pars_vertex" ],
+
+ "void main() {",
+
+ "vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+
+ "vViewPosition = -mvPosition.xyz;",
+
+ // normal, tangent and binormal vectors
+
+ "vNormal = normalMatrix * normal;",
+ "vTangent = normalMatrix * tangent.xyz;",
+ "vBinormal = cross( vNormal, vTangent ) * tangent.w;",
+
+ "vUv = uv * uRepeat + uOffset;",
+
+ // point lights
+
+ "#if MAX_POINT_LIGHTS > 0",
+
+ "for( int i = 0; i < MAX_POINT_LIGHTS; i++ ) {",
+
+ "vec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );",
+ "vec3 lVector = lPosition.xyz - mvPosition.xyz;",
+
+ "float lDistance = 1.0;",
+ "if ( pointLightDistance[ i ] > 0.0 )",
+ "lDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );",
+
+ "lVector = normalize( lVector );",
+
+ "vPointLight[ i ] = vec4( lVector, lDistance );",
+
+ "}",
+
+ "#endif",
+
+ // displacement mapping
+
+ "#ifdef VERTEX_TEXTURES",
+
+ "vec3 dv = texture2D( tDisplacement, uv ).xyz;",
+ "float df = uDisplacementScale * dv.x + uDisplacementBias;",
+ "vec4 displacedPosition = vec4( normalize( vNormal.xyz ) * df, 0.0 ) + mvPosition;",
+ "gl_Position = projectionMatrix * displacedPosition;",
+
+ "#else",
+
+ "gl_Position = projectionMatrix * mvPosition;",
+
+ "#endif",
+
+ THREE.ShaderChunk[ "shadowmap_vertex" ],
+
+ "}"
+
+ ].join("\n")
+
+ },
+
+ /* -------------------------------------------------------------------------
+ // Cube map shader
+ ------------------------------------------------------------------------- */
+
+ 'cube': {
+
+ uniforms: { "tCube": { type: "t", value: 1, texture: null },
+ "tFlip": { type: "f", value: -1 } },
+
+ vertexShader: [
+
+ "varying vec3 vViewPosition;",
+
+ "void main() {",
+
+ "vec4 mPosition = objectMatrix * vec4( position, 1.0 );",
+ "vViewPosition = cameraPosition - mPosition.xyz;",
+
+ "gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
+
+ "}"
+
+ ].join("\n"),
+
+ fragmentShader: [
+
+ "uniform samplerCube tCube;",
+ "uniform float tFlip;",
+
+ "varying vec3 vViewPosition;",
+
+ "void main() {",
+
+ "vec3 wPos = cameraPosition - vViewPosition;",
+ "gl_FragColor = textureCube( tCube, vec3( tFlip * wPos.x, wPos.yz ) );",
+
+ "}"
+
+ ].join("\n")
+
+ }
+
+ }
+
+};
+
+};/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.BufferGeometry = function () {
+
+ this.id = THREE.GeometryCount ++;
+
+ // GL buffers
+
+ this.vertexIndexBuffer = null;
+ this.vertexPositionBuffer = null;
+ this.vertexNormalBuffer = null;
+ this.vertexUvBuffer = null;
+ this.vertexColorBuffer = null;
+
+ // typed arrays (kept only if dynamic flag is set)
+
+ this.vertexIndexArray = null;
+ this.vertexPositionArray = null;
+ this.vertexNormalArray = null;
+ this.vertexUvArray = null;
+ this.vertexColorArray = null;
+
+ this.dynamic = false;
+
+ // boundings
+
+ this.boundingBox = null;
+ this.boundingSphere = null;
+
+ // for compatibility
+
+ this.morphTargets = [];
+
+};
+
+THREE.BufferGeometry.prototype = {
+
+ constructor : THREE.BufferGeometry,
+
+ // for compatibility
+
+ computeBoundingBox: function () {
+
+ },
+
+ // for compatibility
+
+ computeBoundingSphere: function () {
+
+ }
+
+
+};
+
+/**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * Extensible curve object
+ *
+ * Some common of Curve methods
+ * .getPoint(t), getTangent(t)
+ * .getPointAt(u), getTagentAt(u)
+ * .getPoints(), .getSpacedPoints()
+ * .getLength()
+ * .updateArcLengths()
+ *
+ * This file contains following classes:
+ *
+ * -- 2d classes --
+ * THREE.Curve
+ * THREE.LineCurve
+ * THREE.QuadraticBezierCurve
+ * THREE.CubicBezierCurve
+ * THREE.SplineCurve
+ * THREE.ArcCurve
+ *
+ * -- 3d classes --
+ * THREE.LineCurve3
+ * THREE.QuadraticBezierCurve3
+ * THREE.CubicBezierCurve3
+ * THREE.SplineCurve3
+ * THREE.ClosedSplineCurve3
+ *
+ * A series of curves can be represented as a THREE.CurvePath
+ *
+ **/
+
+/**************************************************************
+ * Abstract Curve base class
+ **************************************************************/
+
+THREE.Curve = function () {
+
+};
+
+// Virtual base class method to overwrite and implement in subclasses
+// - t [0 .. 1]
+
+THREE.Curve.prototype.getPoint = function ( t ) {
+
+ console.log( "Warning, getPoint() not implemented!" );
+ return null;
+
+};
+
+// Get point at relative position in curve according to arc length
+// - u [0 .. 1]
+
+THREE.Curve.prototype.getPointAt = function ( u ) {
+
+ var t = this.getUtoTmapping( u );
+ return this.getPoint( t );
+
+};
+
+// Get sequence of points using getPoint( t )
+
+THREE.Curve.prototype.getPoints = function ( divisions ) {
+
+ if ( !divisions ) divisions = 5;
+
+ var d, pts = [];
+
+ for ( d = 0; d <= divisions; d ++ ) {
+
+ pts.push( this.getPoint( d / divisions ) );
+
+ }
+
+ return pts;
+
+};
+
+// Get sequence of points using getPointAt( u )
+
+THREE.Curve.prototype.getSpacedPoints = function ( divisions ) {
+
+ if ( !divisions ) divisions = 5;
+
+ var d, pts = [];
+
+ for ( d = 0; d <= divisions; d ++ ) {
+
+ pts.push( this.getPointAt( d / divisions ) );
+
+ }
+
+ return pts;
+
+};
+
+// Get total curve arc length
+
+THREE.Curve.prototype.getLength = function () {
+
+ var lengths = this.getLengths();
+ return lengths[ lengths.length - 1 ];
+
+};
+
+// Get list of cumulative segment lengths
+
+THREE.Curve.prototype.getLengths = function ( divisions ) {
+
+ if ( !divisions ) divisions = (this.__arcLengthDivisions) ? (this.__arcLengthDivisions): 200;
+
+ if ( this.cacheArcLengths
+ && ( this.cacheArcLengths.length == divisions + 1 )
+ && !this.needsUpdate) {
+
+ //console.log( "cached", this.cacheArcLengths );
+ return this.cacheArcLengths;
+
+ }
+
+ this.needsUpdate = false;
+
+ var cache = [];
+ var current, last = this.getPoint( 0 );
+ var p, sum = 0;
+
+ cache.push( 0 );
+
+ for ( p = 1; p <= divisions; p ++ ) {
+
+ current = this.getPoint ( p / divisions );
+ sum += current.distanceTo( last );
+ cache.push( sum );
+ last = current;
+
+ }
+
+ this.cacheArcLengths = cache;
+
+ return cache; // { sums: cache, sum:sum }; Sum is in the last element.
+
+};
+
+
+THREE.Curve.prototype.updateArcLengths = function() {
+ this.needsUpdate = true;
+ this.getLengths();
+};
+
+// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equi distance
+
+THREE.Curve.prototype.getUtoTmapping = function ( u, distance ) {
+
+ var arcLengths = this.getLengths();
+
+ var i = 0, il = arcLengths.length;
+
+ var targetArcLength; // The targeted u distance value to get
+
+ if ( distance ) {
+
+ targetArcLength = distance;
+
+ } else {
+
+ targetArcLength = u * arcLengths[ il - 1 ];
+
+ }
+
+ //var time = Date.now();
+
+ // binary search for the index with largest value smaller than target u distance
+
+ var low = 0, high = il - 1, comparison;
+
+ while ( low <= high ) {
+
+ i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats
+
+ comparison = arcLengths[ i ] - targetArcLength;
+
+ if ( comparison < 0 ) {
+
+ low = i + 1;
+ continue;
+
+ } else if ( comparison > 0 ) {
+
+ high = i - 1;
+ continue;
+
+ } else {
+
+ high = i;
+ break;
+
+ // DONE
+
+ }
+
+ }
+
+ i = high;
+
+ //console.log('b' , i, low, high, Date.now()- time);
+
+ if ( arcLengths[ i ] == targetArcLength ) {
+
+ var t = i / ( il - 1 );
+ return t;
+
+ }
+
+ // we could get finer grain at lengths, or use simple interpolatation between two points
+
+ var lengthBefore = arcLengths[ i ];
+ var lengthAfter = arcLengths[ i + 1 ];
+
+ var segmentLength = lengthAfter - lengthBefore;
+
+ // determine where we are between the 'before' and 'after' points
+
+ var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;
+
+ // add that fractional amount to t
+
+ var t = ( i + segmentFraction ) / ( il -1 );
+
+ return t;
+
+};
+
+
+// In 2D space, there are actually 2 normal vectors,
+// and in 3D space, infinte
+// TODO this should be depreciated.
+THREE.Curve.prototype.getNormalVector = function( t ) {
+
+ var vec = this.getTangent( t );
+
+ return new THREE.Vector2( -vec.y , vec.x );
+
+};
+
+// Returns a unit vector tangent at t
+// In case any sub curve does not implement its tangent / normal finding,
+// we get 2 points with a small delta and find a gradient of the 2 points
+// which seems to make a reasonable approximation
+
+THREE.Curve.prototype.getTangent = function( t ) {
+
+ var delta = 0.0001;
+ var t1 = t - delta;
+ var t2 = t + delta;
+
+ // Capping in case of danger
+
+ if ( t1 < 0 ) t1 = 0;
+ if ( t2 > 1 ) t2 = 1;
+
+ var pt1 = this.getPoint( t1 );
+ var pt2 = this.getPoint( t2 );
+
+ var vec = pt2.clone().subSelf(pt1);
+ return vec.normalize();
+
+};
+
+
+THREE.Curve.prototype.getTangentAt = function ( u ) {
+
+ var t = this.getUtoTmapping( u );
+ return this.getTangent( t );
+
+};
+
+/**************************************************************
+ * Line
+ **************************************************************/
+
+THREE.LineCurve = function ( v1, v2 ) {
+
+ this.v1 = v1;
+ this.v2 = v2;
+
+};
+
+THREE.LineCurve.prototype = new THREE.Curve();
+THREE.LineCurve.prototype.constructor = THREE.LineCurve;
+
+THREE.LineCurve.prototype.getPoint = function ( t ) {
+
+ var point = this.v2.clone().subSelf(this.v1);
+ point.multiplyScalar( t ).addSelf( this.v1 );
+
+ return point;
+
+};
+
+// Line curve is linear, so we can overwrite default getPointAt
+
+THREE.LineCurve.prototype.getPointAt = function ( u ) {
+
+ return this.getPoint( u );
+
+};
+
+THREE.LineCurve.prototype.getTangent = function( t ) {
+
+ var tangent = this.v2.clone().subSelf(this.v1);
+
+ return tangent.normalize();
+
+};
+
+/**************************************************************
+ * Quadratic Bezier curve
+ **************************************************************/
+
+
+THREE.QuadraticBezierCurve = function ( v0, v1, v2 ) {
+
+ this.v0 = v0;
+ this.v1 = v1;
+ this.v2 = v2;
+
+};
+
+THREE.QuadraticBezierCurve.prototype = new THREE.Curve();
+THREE.QuadraticBezierCurve.prototype.constructor = THREE.QuadraticBezierCurve;
+
+
+THREE.QuadraticBezierCurve.prototype.getPoint = function ( t ) {
+
+ var tx, ty;
+
+ tx = THREE.Shape.Utils.b2( t, this.v0.x, this.v1.x, this.v2.x );
+ ty = THREE.Shape.Utils.b2( t, this.v0.y, this.v1.y, this.v2.y );
+
+ return new THREE.Vector2( tx, ty );
+
+};
+
+
+THREE.QuadraticBezierCurve.prototype.getTangent = function( t ) {
+
+ var tx, ty;
+
+ tx = THREE.Curve.Utils.tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x );
+ ty = THREE.Curve.Utils.tangentQuadraticBezier( t, this.v0.y, this.v1.y, this.v2.y );
+
+ // returns unit vector
+
+ var tangent = new THREE.Vector2( tx, ty );
+ tangent.normalize();
+
+ return tangent;
+
+};
+
+
+/**************************************************************
+ * Cubic Bezier curve
+ **************************************************************/
+
+THREE.CubicBezierCurve = function ( v0, v1, v2, v3 ) {
+
+ this.v0 = v0;
+ this.v1 = v1;
+ this.v2 = v2;
+ this.v3 = v3;
+
+};
+
+THREE.CubicBezierCurve.prototype = new THREE.Curve();
+THREE.CubicBezierCurve.prototype.constructor = THREE.CubicBezierCurve;
+
+THREE.CubicBezierCurve.prototype.getPoint = function ( t ) {
+
+ var tx, ty;
+
+ tx = THREE.Shape.Utils.b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x );
+ ty = THREE.Shape.Utils.b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y );
+
+ return new THREE.Vector2( tx, ty );
+
+};
+
+THREE.CubicBezierCurve.prototype.getTangent = function( t ) {
+
+ var tx, ty;
+
+ tx = THREE.Curve.Utils.tangentCubicBezier( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x );
+ ty = THREE.Curve.Utils.tangentCubicBezier( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y );
+
+ var tangent = new THREE.Vector2( tx, ty );
+ tangent.normalize();
+
+ return tangent;
+
+};
+
+
+/**************************************************************
+ * Spline curve
+ **************************************************************/
+
+THREE.SplineCurve = function ( points /* array of Vector2 */ ) {
+
+ this.points = (points == undefined) ? [] : points;
+
+};
+
+THREE.SplineCurve.prototype = new THREE.Curve();
+THREE.SplineCurve.prototype.constructor = THREE.SplineCurve;
+
+THREE.SplineCurve.prototype.getPoint = function ( t ) {
+
+ var v = new THREE.Vector2();
+ var c = [];
+ var points = this.points, point, intPoint, weight;
+ point = ( points.length - 1 ) * t;
+
+ intPoint = Math.floor( point );
+ weight = point - intPoint;
+
+ c[ 0 ] = intPoint == 0 ? intPoint : intPoint - 1;
+ c[ 1 ] = intPoint;
+ c[ 2 ] = intPoint > points.length - 2 ? points.length -1 : intPoint + 1;
+ c[ 3 ] = intPoint > points.length - 3 ? points.length -1 : intPoint + 2;
+
+ v.x = THREE.Curve.Utils.interpolate( points[ c[ 0 ] ].x, points[ c[ 1 ] ].x, points[ c[ 2 ] ].x, points[ c[ 3 ] ].x, weight );
+ v.y = THREE.Curve.Utils.interpolate( points[ c[ 0 ] ].y, points[ c[ 1 ] ].y, points[ c[ 2 ] ].y, points[ c[ 3 ] ].y, weight );
+
+ return v;
+
+};
+
+/**************************************************************
+ * Arc curve
+ **************************************************************/
+
+THREE.ArcCurve = function ( aX, aY, aRadius,
+ aStartAngle, aEndAngle,
+ aClockwise ) {
+
+ this.aX = aX;
+ this.aY = aY;
+
+ this.aRadius = aRadius;
+
+ this.aStartAngle = aStartAngle;
+ this.aEndAngle = aEndAngle;
+
+ this.aClockwise = aClockwise;
+
+};
+
+THREE.ArcCurve.prototype = new THREE.Curve();
+THREE.ArcCurve.prototype.constructor = THREE.ArcCurve;
+
+THREE.ArcCurve.prototype.getPoint = function ( t ) {
+
+ var deltaAngle = this.aEndAngle - this.aStartAngle;
+
+ if ( !this.aClockwise ) {
+
+ t = 1 - t;
+
+ }
+
+ var angle = this.aStartAngle + t * deltaAngle;
+
+ var tx = this.aX + this.aRadius * Math.cos( angle );
+ var ty = this.aY + this.aRadius * Math.sin( angle );
+
+ return new THREE.Vector2( tx, ty );
+
+};
+
+/**************************************************************
+ * Utils
+ **************************************************************/
+
+THREE.Curve.Utils = {
+
+ tangentQuadraticBezier: function ( t, p0, p1, p2 ) {
+
+ return 2 * ( 1 - t ) * ( p1 - p0 ) + 2 * t * ( p2 - p1 );
+
+ },
+
+ // Puay Bing, thanks for helping with this derivative!
+
+ tangentCubicBezier: function (t, p0, p1, p2, p3 ) {
+
+ return -3 * p0 * (1 - t) * (1 - t) +
+ 3 * p1 * (1 - t) * (1-t) - 6 *t *p1 * (1-t) +
+ 6 * t * p2 * (1-t) - 3 * t * t * p2 +
+ 3 * t * t * p3;
+ },
+
+
+ tangentSpline: function ( t, p0, p1, p2, p3 ) {
+
+ // To check if my formulas are correct
+
+ var h00 = 6 * t * t - 6 * t; // derived from 2t^3 − 3t^2 + 1
+ var h10 = 3 * t * t - 4 * t + 1; // t^3 − 2t^2 + t
+ var h01 = -6 * t * t + 6 * t; // − 2t3 + 3t2
+ var h11 = 3 * t * t - 2 * t; // t3 − t2
+
+ return h00 + h10 + h01 + h11;
+
+ },
+
+ // Catmull-Rom
+
+ interpolate: function( p0, p1, p2, p3, t ) {
+
+ var v0 = ( p2 - p0 ) * 0.5;
+ var v1 = ( p3 - p1 ) * 0.5;
+ var t2 = t * t;
+ var t3 = t * t2;
+ return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;
+
+ }
+
+};
+
+
+// TODO: Transformation for Curves?
+
+/**************************************************************
+ * 3D Curves
+ **************************************************************/
+
+// A Factory method for creating new curve subclasses
+
+THREE.Curve.create = function( constructor, getPointFunc ) {
+
+ var subClass = constructor;
+
+ subClass.prototype = new THREE.Curve();
+
+ subClass.prototype.constructor = constructor;
+ subClass.prototype.getPoint = getPointFunc;
+
+ return subClass;
+
+};
+
+
+/**************************************************************
+ * Line3D
+ **************************************************************/
+
+THREE.LineCurve3 = THREE.Curve.create(
+
+ function ( v1, v2 ) {
+
+ this.v1 = v1;
+ this.v2 = v2;
+
+ },
+
+ function ( t ) {
+
+ var r = new THREE.Vector3();
+
+
+ r.sub( this.v2, this.v1 ); // diff
+ r.multiplyScalar( t );
+ r.addSelf( this.v1 );
+
+ return r;
+
+ }
+
+);
+
+
+/**************************************************************
+ * Quadratic Bezier 3D curve
+ **************************************************************/
+
+THREE.QuadraticBezierCurve3 = THREE.Curve.create(
+
+ function ( v0, v1, v2 ) {
+
+ this.v0 = v0;
+ this.v1 = v1;
+ this.v2 = v2;
+
+ },
+
+ function ( t ) {
+
+ var tx, ty, tz;
+
+ tx = THREE.Shape.Utils.b2( t, this.v0.x, this.v1.x, this.v2.x );
+ ty = THREE.Shape.Utils.b2( t, this.v0.y, this.v1.y, this.v2.y );
+ tz = THREE.Shape.Utils.b2( t, this.v0.z, this.v1.z, this.v2.z );
+
+ return new THREE.Vector3( tx, ty, tz );
+
+ }
+
+);
+
+
+
+/**************************************************************
+ * Cubic Bezier 3D curve
+ **************************************************************/
+
+THREE.CubicBezierCurve3 = THREE.Curve.create(
+
+ function ( v0, v1, v2, v3 ) {
+
+ this.v0 = v0;
+ this.v1 = v1;
+ this.v2 = v2;
+ this.v3 = v3;
+
+ },
+
+ function ( t ) {
+
+ var tx, ty, tz;
+
+ tx = THREE.Shape.Utils.b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x );
+ ty = THREE.Shape.Utils.b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y );
+ tz = THREE.Shape.Utils.b3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z );
+
+ return new THREE.Vector3( tx, ty, tz );
+
+ }
+
+);
+
+
+
+/**************************************************************
+ * Spline 3D curve
+ **************************************************************/
+
+
+THREE.SplineCurve3 = THREE.Curve.create(
+
+ function ( points /* array of Vector3 */) {
+
+ this.points = (points == undefined) ? [] : points;
+
+ },
+
+ function ( t ) {
+
+ var v = new THREE.Vector3();
+ var c = [];
+ var points = this.points, point, intPoint, weight;
+ point = ( points.length - 1 ) * t;
+
+ intPoint = Math.floor( point );
+ weight = point - intPoint;
+
+ c[ 0 ] = intPoint == 0 ? intPoint : intPoint - 1;
+ c[ 1 ] = intPoint;
+ c[ 2 ] = intPoint > points.length - 2 ? points.length - 1 : intPoint + 1;
+ c[ 3 ] = intPoint > points.length - 3 ? points.length - 1 : intPoint + 2;
+
+ var pt0 = points[ c[0] ],
+ pt1 = points[ c[1] ],
+ pt2 = points[ c[2] ],
+ pt3 = points[ c[3] ];
+
+ v.x = THREE.Curve.Utils.interpolate(pt0.x, pt1.x, pt2.x, pt3.x, weight);
+ v.y = THREE.Curve.Utils.interpolate(pt0.y, pt1.y, pt2.y, pt3.y, weight);
+ v.z = THREE.Curve.Utils.interpolate(pt0.z, pt1.z, pt2.z, pt3.z, weight);
+
+ return v;
+
+ }
+
+);
+
+
+// THREE.SplineCurve3.prototype.getTangent = function(t) {
+// var v = new THREE.Vector3();
+// var c = [];
+// var points = this.points, point, intPoint, weight;
+// point = ( points.length - 1 ) * t;
+
+// intPoint = Math.floor( point );
+// weight = point - intPoint;
+
+// c[ 0 ] = intPoint == 0 ? intPoint : intPoint - 1;
+// c[ 1 ] = intPoint;
+// c[ 2 ] = intPoint > points.length - 2 ? points.length - 1 : intPoint + 1;
+// c[ 3 ] = intPoint > points.length - 3 ? points.length - 1 : intPoint + 2;
+
+// var pt0 = points[ c[0] ],
+// pt1 = points[ c[1] ],
+// pt2 = points[ c[2] ],
+// pt3 = points[ c[3] ];
+
+// // t = weight;
+// v.x = THREE.Curve.Utils.tangentSpline( t, pt0.x, pt1.x, pt2.x, pt3.x );
+// v.y = THREE.Curve.Utils.tangentSpline( t, pt0.y, pt1.y, pt2.y, pt3.y );
+// v.z = THREE.Curve.Utils.tangentSpline( t, pt0.z, pt1.z, pt2.z, pt3.z );
+
+// return v;
+
+// }
+
+/**************************************************************
+ * Closed Spline 3D curve
+ **************************************************************/
+
+
+THREE.ClosedSplineCurve3 = THREE.Curve.create(
+
+ function ( points /* array of Vector3 */) {
+
+ this.points = (points == undefined) ? [] : points;
+
+ },
+
+ function ( t ) {
+
+ var v = new THREE.Vector3();
+ var c = [];
+ var points = this.points, point, intPoint, weight;
+ point = ( points.length - 0 ) * t;
+ // This needs to be from 0-length +1
+
+ intPoint = Math.floor( point );
+ weight = point - intPoint;
+
+ intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;
+ c[ 0 ] = ( intPoint - 1 ) % points.length;
+ c[ 1 ] = ( intPoint ) % points.length;
+ c[ 2 ] = ( intPoint + 1 ) % points.length;
+ c[ 3 ] = ( intPoint + 2 ) % points.length;
+
+ v.x = THREE.Curve.Utils.interpolate( points[ c[ 0 ] ].x, points[ c[ 1 ] ].x, points[ c[ 2 ] ].x, points[ c[ 3 ] ].x, weight );
+ v.y = THREE.Curve.Utils.interpolate( points[ c[ 0 ] ].y, points[ c[ 1 ] ].y, points[ c[ 2 ] ].y, points[ c[ 3 ] ].y, weight );
+ v.z = THREE.Curve.Utils.interpolate( points[ c[ 0 ] ].z, points[ c[ 1 ] ].z, points[ c[ 2 ] ].z, points[ c[ 3 ] ].z, weight );
+
+ return v;
+
+ }
+
+);/**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ *
+ **/
+
+/**************************************************************
+ * Curved Path - a curve path is simply a array of connected
+ * curves, but retains the api of a curve
+ **************************************************************/
+
+THREE.CurvePath = function () {
+
+ this.curves = [];
+ this.bends = [];
+
+ this.autoClose = false; // Automatically closes the path
+};
+
+THREE.CurvePath.prototype = new THREE.Curve();
+THREE.CurvePath.prototype.constructor = THREE.CurvePath;
+
+THREE.CurvePath.prototype.add = function ( curve ) {
+
+ this.curves.push( curve );
+
+};
+
+THREE.CurvePath.prototype.checkConnection = function() {
+ // TODO
+ // If the ending of curve is not connected to the starting
+ // or the next curve, then, this is not a real path
+};
+
+THREE.CurvePath.prototype.closePath = function() {
+ // TODO Test
+ // and verify for vector3 (needs to implement equals)
+ // Add a line curve if start and end of lines are not connected
+ var startPoint = this.curves[0].getPoint(0);
+ var endPoint = this.curves[this.curves.length-1].getPoint(1);
+
+ if (!startPoint.equals(endPoint)) {
+ this.curves.push( new THREE.LineCurve(endPoint, startPoint) );
+ }
+
+};
+
+// To get accurate point with reference to
+// entire path distance at time t,
+// following has to be done:
+
+// 1. Length of each sub path have to be known
+// 2. Locate and identify type of curve
+// 3. Get t for the curve
+// 4. Return curve.getPointAt(t')
+
+THREE.CurvePath.prototype.getPoint = function( t ) {
+
+ var d = t * this.getLength();
+ var curveLengths = this.getCurveLengths();
+ var i = 0, diff, curve;
+
+ // To think about boundaries points.
+
+ while ( i < curveLengths.length ) {
+
+ if ( curveLengths[ i ] >= d ) {
+
+ diff = curveLengths[ i ] - d;
+ curve = this.curves[ i ];
+
+ var u = 1 - diff / curve.getLength();
+
+ return curve.getPointAt( u );
+
+ break;
+ }
+
+ i ++;
+
+ }
+
+ return null;
+
+ // loop where sum != 0, sum > d , sum+1 maxX ) maxX = p.x;
+ else if ( p.x < minX ) minX = p.x;
+
+ if ( p.y > maxY ) maxY = p.y;
+ else if ( p.y < maxY ) minY = p.y;
+
+ sum.addSelf( p.x, p.y );
+
+ }
+
+ return {
+
+ minX: minX,
+ minY: minY,
+ maxX: maxX,
+ maxY: maxY,
+ centroid: sum.divideScalar( il )
+
+ };
+
+};
+
+/**************************************************************
+ * Create Geometries Helpers
+ **************************************************************/
+
+/// Generate geometry from path points (for Line or ParticleSystem objects)
+
+THREE.CurvePath.prototype.createPointsGeometry = function( divisions ) {
+
+ var pts = this.getPoints( divisions, true );
+ return this.createGeometry( pts );
+
+};
+
+// Generate geometry from equidistance sampling along the path
+
+THREE.CurvePath.prototype.createSpacedPointsGeometry = function( divisions ) {
+
+ var pts = this.getSpacedPoints( divisions, true );
+ return this.createGeometry( pts );
+
+};
+
+THREE.CurvePath.prototype.createGeometry = function( points ) {
+
+ var geometry = new THREE.Geometry();
+
+ for ( var i = 0; i < points.length; i ++ ) {
+
+ geometry.vertices.push( new THREE.Vector3( points[ i ].x, points[ i ].y, 0 ) );
+
+ }
+
+ return geometry;
+
+};
+
+
+/**************************************************************
+ * Bend / Wrap Helper Methods
+ **************************************************************/
+
+// Wrap path / Bend modifiers?
+
+THREE.CurvePath.prototype.addWrapPath = function ( bendpath ) {
+
+ this.bends.push( bendpath );
+
+};
+
+THREE.CurvePath.prototype.getTransformedPoints = function( segments, bends ) {
+
+ var oldPts = this.getPoints( segments ); // getPoints getSpacedPoints
+ var i, il;
+
+ if ( !bends ) {
+
+ bends = this.bends;
+
+ }
+
+ for ( i = 0, il = bends.length; i < il; i ++ ) {
+
+ oldPts = this.getWrapPoints( oldPts, bends[ i ] );
+
+ }
+
+ return oldPts;
+
+};
+
+THREE.CurvePath.prototype.getTransformedSpacedPoints = function( segments, bends ) {
+
+ var oldPts = this.getSpacedPoints( segments );
+
+ var i, il;
+
+ if ( !bends ) {
+
+ bends = this.bends;
+
+ }
+
+ for ( i = 0, il = bends.length; i < il; i ++ ) {
+
+ oldPts = this.getWrapPoints( oldPts, bends[ i ] );
+
+ }
+
+ return oldPts;
+
+};
+
+// This returns getPoints() bend/wrapped around the contour of a path.
+// Read http://www.planetclegg.com/projects/WarpingTextToSplines.html
+
+THREE.CurvePath.prototype.getWrapPoints = function ( oldPts, path ) {
+
+ var bounds = this.getBoundingBox();
+
+ var i, il, p, oldX, oldY, xNorm;
+
+ for ( i = 0, il = oldPts.length; i < il; i ++ ) {
+
+ p = oldPts[ i ];
+
+ oldX = p.x;
+ oldY = p.y;
+
+ xNorm = oldX / bounds.maxX;
+
+ // If using actual distance, for length > path, requires line extrusions
+ //xNorm = path.getUtoTmapping(xNorm, oldX); // 3 styles. 1) wrap stretched. 2) wrap stretch by arc length 3) warp by actual distance
+
+ xNorm = path.getUtoTmapping( xNorm, oldX );
+
+ // check for out of bounds?
+
+ var pathPt = path.getPoint( xNorm );
+ var normal = path.getNormalVector( xNorm ).multiplyScalar( oldY );
+
+ p.x = pathPt.x + normal.x;
+ p.y = pathPt.y + normal.y;
+
+ }
+
+ return oldPts;
+
+};
+
+/**
+ * https://github.com/mrdoob/eventtarget.js/
+ */
+
+THREE.EventTarget = function () {
+
+ var listeners = {};
+
+ this.addEventListener = function ( type, listener ) {
+
+ if ( listeners[ type ] == undefined ) {
+
+ listeners[ type ] = [];
+
+ }
+
+ if ( listeners[ type ].indexOf( listener ) === - 1 ) {
+
+ listeners[ type ].push( listener );
+
+ }
+
+ };
+
+ this.dispatchEvent = function ( event ) {
+
+ for ( var listener in listeners[ event.type ] ) {
+
+ listeners[ event.type ][ listener ]( event );
+
+ }
+
+ };
+
+ this.removeEventListener = function ( type, listener ) {
+
+ var index = listeners[ type ].indexOf( listener );
+
+ if ( index !== - 1 ) {
+
+ listeners[ type ].splice( index, 1 );
+
+ }
+
+ };
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.Gyroscope = function () {
+
+ THREE.Object3D.call( this );
+
+};
+
+
+THREE.Gyroscope.prototype = new THREE.Object3D();
+THREE.Gyroscope.prototype.constructor = THREE.Gyroscope;
+
+THREE.Gyroscope.prototype.updateMatrixWorld = function ( force ) {
+
+ this.matrixAutoUpdate && this.updateMatrix();
+
+ // update matrixWorld
+
+ if ( this.matrixWorldNeedsUpdate || force ) {
+
+ if ( this.parent ) {
+
+ this.matrixWorld.multiply( this.parent.matrixWorld, this.matrix );
+
+ this.matrixWorld.decompose( this.translationWorld, this.rotationWorld, this.scaleWorld );
+ this.matrix.decompose( this.translationObject, this.rotationObject, this.scaleObject );
+
+ this.matrixWorld.compose( this.translationWorld, this.rotationObject, this.scaleWorld );
+
+
+ } else {
+
+ this.matrixWorld.copy( this.matrix );
+
+ }
+
+
+ this.matrixWorldNeedsUpdate = false;
+
+ force = true;
+
+ }
+
+ // update children
+
+ for ( var i = 0, l = this.children.length; i < l; i ++ ) {
+
+ this.children[ i ].updateMatrixWorld( force );
+
+ }
+
+};
+
+THREE.Gyroscope.prototype.translationWorld = new THREE.Vector3();
+THREE.Gyroscope.prototype.translationObject = new THREE.Vector3();
+THREE.Gyroscope.prototype.rotationWorld = new THREE.Quaternion();
+THREE.Gyroscope.prototype.rotationObject = new THREE.Quaternion();
+THREE.Gyroscope.prototype.scaleWorld = new THREE.Vector3();
+THREE.Gyroscope.prototype.scaleObject = new THREE.Vector3();
+
+/**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * Creates free form 2d path using series of points, lines or curves.
+ *
+ **/
+
+THREE.Path = function ( points ) {
+
+ THREE.CurvePath.call(this);
+
+ this.actions = [];
+
+ if ( points ) {
+
+ this.fromPoints( points );
+
+ }
+
+};
+
+THREE.Path.prototype = new THREE.CurvePath();
+THREE.Path.prototype.constructor = THREE.Path;
+
+
+THREE.PathActions = {
+
+ MOVE_TO: 'moveTo',
+ LINE_TO: 'lineTo',
+ QUADRATIC_CURVE_TO: 'quadraticCurveTo', // Bezier quadratic curve
+ BEZIER_CURVE_TO: 'bezierCurveTo', // Bezier cubic curve
+ CSPLINE_THRU: 'splineThru', // Catmull-rom spline
+ ARC: 'arc' // Circle
+
+};
+
+// TODO Clean up PATH API
+
+// Create path using straight lines to connect all points
+// - vectors: array of Vector2
+
+THREE.Path.prototype.fromPoints = function ( vectors ) {
+
+ this.moveTo( vectors[ 0 ].x, vectors[ 0 ].y );
+
+ for ( var v = 1, vlen = vectors.length; v < vlen; v ++ ) {
+
+ this.lineTo( vectors[ v ].x, vectors[ v ].y );
+
+ };
+
+};
+
+// startPath() endPath()?
+
+THREE.Path.prototype.moveTo = function ( x, y ) {
+
+ var args = Array.prototype.slice.call( arguments );
+ this.actions.push( { action: THREE.PathActions.MOVE_TO, args: args } );
+
+};
+
+THREE.Path.prototype.lineTo = function ( x, y ) {
+
+ var args = Array.prototype.slice.call( arguments );
+
+ var lastargs = this.actions[ this.actions.length - 1 ].args;
+
+ var x0 = lastargs[ lastargs.length - 2 ];
+ var y0 = lastargs[ lastargs.length - 1 ];
+
+ var curve = new THREE.LineCurve( new THREE.Vector2( x0, y0 ), new THREE.Vector2( x, y ) );
+ this.curves.push( curve );
+
+ this.actions.push( { action: THREE.PathActions.LINE_TO, args: args } );
+
+};
+
+THREE.Path.prototype.quadraticCurveTo = function( aCPx, aCPy, aX, aY ) {
+
+ var args = Array.prototype.slice.call( arguments );
+
+ var lastargs = this.actions[ this.actions.length - 1 ].args;
+
+ var x0 = lastargs[ lastargs.length - 2 ];
+ var y0 = lastargs[ lastargs.length - 1 ];
+
+ var curve = new THREE.QuadraticBezierCurve( new THREE.Vector2( x0, y0 ),
+ new THREE.Vector2( aCPx, aCPy ),
+ new THREE.Vector2( aX, aY ) );
+ this.curves.push( curve );
+
+ this.actions.push( { action: THREE.PathActions.QUADRATIC_CURVE_TO, args: args } );
+
+};
+
+THREE.Path.prototype.bezierCurveTo = function( aCP1x, aCP1y,
+ aCP2x, aCP2y,
+ aX, aY ) {
+
+ var args = Array.prototype.slice.call( arguments );
+
+ var lastargs = this.actions[ this.actions.length - 1 ].args;
+
+ var x0 = lastargs[ lastargs.length - 2 ];
+ var y0 = lastargs[ lastargs.length - 1 ];
+
+ var curve = new THREE.CubicBezierCurve( new THREE.Vector2( x0, y0 ),
+ new THREE.Vector2( aCP1x, aCP1y ),
+ new THREE.Vector2( aCP2x, aCP2y ),
+ new THREE.Vector2( aX, aY ) );
+ this.curves.push( curve );
+
+ this.actions.push( { action: THREE.PathActions.BEZIER_CURVE_TO, args: args } );
+
+};
+
+THREE.Path.prototype.splineThru = function( pts /*Array of Vector*/ ) {
+
+ var args = Array.prototype.slice.call( arguments );
+ var lastargs = this.actions[ this.actions.length - 1 ].args;
+
+ var x0 = lastargs[ lastargs.length - 2 ];
+ var y0 = lastargs[ lastargs.length - 1 ];
+//---
+ var npts = [ new THREE.Vector2( x0, y0 ) ];
+ Array.prototype.push.apply( npts, pts );
+
+ var curve = new THREE.SplineCurve( npts );
+ this.curves.push( curve );
+
+ this.actions.push( { action: THREE.PathActions.CSPLINE_THRU, args: args } );
+
+};
+
+// FUTURE: Change the API or follow canvas API?
+// TODO ARC ( x, y, x - radius, y - radius, startAngle, endAngle )
+
+THREE.Path.prototype.arc = function ( aX, aY, aRadius,
+ aStartAngle, aEndAngle, aClockwise ) {
+
+ var args = Array.prototype.slice.call( arguments );
+
+ var laste = this.actions[ this.actions.length - 1];
+
+ var curve = new THREE.ArcCurve( laste.x + aX, laste.y + aY, aRadius,
+ aStartAngle, aEndAngle, aClockwise );
+ this.curves.push( curve );
+
+ // All of the other actions look to the last two elements in the list to
+ // find the ending point, so we need to append them.
+ var lastPoint = curve.getPoint(aClockwise ? 1 : 0);
+ args.push(lastPoint.x);
+ args.push(lastPoint.y);
+
+ this.actions.push( { action: THREE.PathActions.ARC, args: args } );
+
+ };
+
+THREE.Path.prototype.absarc = function ( aX, aY, aRadius,
+ aStartAngle, aEndAngle, aClockwise ) {
+
+ var args = Array.prototype.slice.call( arguments );
+
+ var curve = new THREE.ArcCurve( aX, aY, aRadius,
+ aStartAngle, aEndAngle, aClockwise );
+ this.curves.push( curve );
+
+ // console.log( 'arc', args );
+
+ // All of the other actions look to the last two elements in the list to
+ // find the ending point, so we need to append them.
+ var lastPoint = curve.getPoint(aClockwise ? 1 : 0);
+ args.push(lastPoint.x);
+ args.push(lastPoint.y);
+
+ this.actions.push( { action: THREE.PathActions.ARC, args: args } );
+
+ };
+
+
+THREE.Path.prototype.getSpacedPoints = function ( divisions, closedPath ) {
+
+ if ( ! divisions ) divisions = 40;
+
+ var points = [];
+
+ for ( var i = 0; i < divisions; i ++ ) {
+
+ points.push( this.getPoint( i / divisions ) );
+
+ //if( !this.getPoint( i / divisions ) ) throw "DIE";
+
+ }
+
+ // if ( closedPath ) {
+ //
+ // points.push( points[ 0 ] );
+ //
+ // }
+
+ return points;
+
+};
+
+/* Return an array of vectors based on contour of the path */
+
+THREE.Path.prototype.getPoints = function( divisions, closedPath ) {
+
+ if (this.useSpacedPoints) {
+ console.log('tata');
+ return this.getSpacedPoints( divisions, closedPath );
+ }
+
+ divisions = divisions || 12;
+
+ var points = [];
+
+ var i, il, item, action, args;
+ var cpx, cpy, cpx2, cpy2, cpx1, cpy1, cpx0, cpy0,
+ laste, j,
+ t, tx, ty;
+
+ for ( i = 0, il = this.actions.length; i < il; i ++ ) {
+
+ item = this.actions[ i ];
+
+ action = item.action;
+ args = item.args;
+
+ switch( action ) {
+
+ case THREE.PathActions.MOVE_TO:
+
+ points.push( new THREE.Vector2( args[ 0 ], args[ 1 ] ) );
+
+ break;
+
+ case THREE.PathActions.LINE_TO:
+
+ points.push( new THREE.Vector2( args[ 0 ], args[ 1 ] ) );
+
+ break;
+
+ case THREE.PathActions.QUADRATIC_CURVE_TO:
+
+ cpx = args[ 2 ];
+ cpy = args[ 3 ];
+
+ cpx1 = args[ 0 ];
+ cpy1 = args[ 1 ];
+
+ if ( points.length > 0 ) {
+
+ laste = points[ points.length - 1 ];
+
+ cpx0 = laste.x;
+ cpy0 = laste.y;
+
+ } else {
+
+ laste = this.actions[ i - 1 ].args;
+
+ cpx0 = laste[ laste.length - 2 ];
+ cpy0 = laste[ laste.length - 1 ];
+
+ }
+
+ for ( j = 1; j <= divisions; j ++ ) {
+
+ t = j / divisions;
+
+ tx = THREE.Shape.Utils.b2( t, cpx0, cpx1, cpx );
+ ty = THREE.Shape.Utils.b2( t, cpy0, cpy1, cpy );
+
+ points.push( new THREE.Vector2( tx, ty ) );
+
+ }
+
+ break;
+
+ case THREE.PathActions.BEZIER_CURVE_TO:
+
+ cpx = args[ 4 ];
+ cpy = args[ 5 ];
+
+ cpx1 = args[ 0 ];
+ cpy1 = args[ 1 ];
+
+ cpx2 = args[ 2 ];
+ cpy2 = args[ 3 ];
+
+ if ( points.length > 0 ) {
+
+ laste = points[ points.length - 1 ];
+
+ cpx0 = laste.x;
+ cpy0 = laste.y;
+
+ } else {
+
+ laste = this.actions[ i - 1 ].args;
+
+ cpx0 = laste[ laste.length - 2 ];
+ cpy0 = laste[ laste.length - 1 ];
+
+ }
+
+
+ for ( j = 1; j <= divisions; j ++ ) {
+
+ t = j / divisions;
+
+ tx = THREE.Shape.Utils.b3( t, cpx0, cpx1, cpx2, cpx );
+ ty = THREE.Shape.Utils.b3( t, cpy0, cpy1, cpy2, cpy );
+
+ points.push( new THREE.Vector2( tx, ty ) );
+
+ }
+
+ break;
+
+ case THREE.PathActions.CSPLINE_THRU:
+
+ laste = this.actions[ i - 1 ].args;
+
+ var last = new THREE.Vector2( laste[ laste.length - 2 ], laste[ laste.length - 1 ] );
+ var spts = [ last ];
+
+ var n = divisions * args[ 0 ].length;
+
+ spts = spts.concat( args[ 0 ] );
+
+ var spline = new THREE.SplineCurve( spts );
+
+ for ( j = 1; j <= n; j ++ ) {
+
+ points.push( spline.getPointAt( j / n ) ) ;
+
+ }
+
+ break;
+
+ case THREE.PathActions.ARC:
+
+ laste = this.actions[ i - 1 ].args;
+
+ var aX = args[ 0 ], aY = args[ 1 ],
+ aRadius = args[ 2 ],
+ aStartAngle = args[ 3 ], aEndAngle = args[ 4 ],
+ aClockwise = !!args[ 5 ];
+
+
+ var deltaAngle = aEndAngle - aStartAngle;
+ var angle;
+ var tdivisions = divisions * 2;
+
+ for ( j = 1; j <= tdivisions; j ++ ) {
+
+ t = j / tdivisions;
+
+ if ( ! aClockwise ) {
+
+ t = 1 - t;
+
+ }
+
+ angle = aStartAngle + t * deltaAngle;
+
+ tx = aX + aRadius * Math.cos( angle );
+ ty = aY + aRadius * Math.sin( angle );
+
+ //console.log('t', t, 'angle', angle, 'tx', tx, 'ty', ty);
+
+ points.push( new THREE.Vector2( tx, ty ) );
+
+ }
+
+ //console.log(points);
+
+ break;
+
+ } // end switch
+
+ }
+
+
+
+ // Normalize to remove the closing point by default.
+ var lastPoint = points[ points.length - 1];
+ var EPSILON = 0.0000000001;
+ if ( Math.abs(lastPoint.x - points[ 0 ].x) < EPSILON &&
+ Math.abs(lastPoint.y - points[ 0 ].y) < EPSILON)
+ points.splice( points.length - 1, 1);
+ if ( closedPath ) {
+
+ points.push( points[ 0 ] );
+
+ }
+
+ return points;
+
+};
+
+
+
+// This was used for testing purposes. Should be removed soon.
+
+THREE.Path.prototype.transform = function( path, segments ) {
+
+ var bounds = this.getBoundingBox();
+ var oldPts = this.getPoints( segments ); // getPoints getSpacedPoints
+
+ //console.log( path.cacheArcLengths() );
+ //path.getLengths(400);
+ //segments = 40;
+
+ return this.getWrapPoints( oldPts, path );
+
+};
+
+// Read http://www.tinaja.com/glib/nonlingr.pdf
+// nonlinear transforms
+
+THREE.Path.prototype.nltransform = function( a, b, c, d, e, f ) {
+
+ // a - horizontal size
+ // b - lean
+ // c - x offset
+ // d - vertical size
+ // e - climb
+ // f - y offset
+
+ var oldPts = this.getPoints();
+
+ var i, il, p, oldX, oldY;
+
+ for ( i = 0, il = oldPts.length; i < il; i ++ ) {
+
+ p = oldPts[i];
+
+ oldX = p.x;
+ oldY = p.y;
+
+ p.x = a * oldX + b * oldY + c;
+ p.y = d * oldY + e * oldX + f;
+
+ }
+
+ return oldPts;
+
+};
+
+
+// FUTURE Export JSON Format
+
+/* Draws this path onto a 2d canvas easily */
+
+THREE.Path.prototype.debug = function( canvas ) {
+
+ var bounds = this.getBoundingBox();
+
+ if ( !canvas ) {
+
+ canvas = document.createElement( "canvas" );
+
+ canvas.setAttribute( 'width', bounds.maxX + 100 );
+ canvas.setAttribute( 'height', bounds.maxY + 100 );
+
+ document.body.appendChild( canvas );
+
+ }
+
+ var ctx = canvas.getContext( "2d" );
+ ctx.fillStyle = "white";
+ ctx.fillRect( 0, 0, canvas.width, canvas.height );
+
+ ctx.strokeStyle = "black";
+ ctx.beginPath();
+
+ var i, il, item, action, args;
+
+ // Debug Path
+
+ for ( i = 0, il = this.actions.length; i < il; i ++ ) {
+
+ item = this.actions[ i ];
+
+ args = item.args;
+ action = item.action;
+
+ // Short hand for now
+
+ if ( action != THREE.PathActions.CSPLINE_THRU ) {
+
+ ctx[ action ].apply( ctx, args );
+
+ }
+
+ /*
+ switch ( action ) {
+
+ case THREE.PathActions.MOVE_TO:
+
+ ctx[ action ]( args[ 0 ], args[ 1 ] );
+ break;
+
+ case THREE.PathActions.LINE_TO:
+
+ ctx[ action ]( args[ 0 ], args[ 1 ] );
+ break;
+
+ case THREE.PathActions.QUADRATIC_CURVE_TO:
+
+ ctx[ action ]( args[ 0 ], args[ 1 ], args[ 2 ], args[ 3 ] );
+ break;
+
+ case THREE.PathActions.CUBIC_CURVE_TO:
+
+ ctx[ action ]( args[ 0 ], args[ 1 ], args[ 2 ], args[ 3 ], args[ 4 ], args[ 5 ] );
+ break;
+
+ }
+ */
+
+ }
+
+ ctx.stroke();
+ ctx.closePath();
+
+ // Debug Points
+
+ ctx.strokeStyle = "red";
+
+ /* TO CLEAN UP */
+
+ var p, points = this.getPoints();
+
+ for ( i = 0, il = points.length; i < il; i ++ ) {
+
+ p = points[ i ];
+
+ ctx.beginPath();
+ ctx.arc( p.x, p.y, 1.5, 0, Math.PI * 2, false );
+ ctx.stroke();
+ ctx.closePath();
+
+ }
+
+};
+
+// Breaks path into shapes
+
+THREE.Path.prototype.toShapes = function() {
+
+ var i, il, item, action, args;
+
+ var subPaths = [], lastPath = new THREE.Path();
+
+ for ( i = 0, il = this.actions.length; i < il; i ++ ) {
+
+ item = this.actions[ i ];
+
+ args = item.args;
+ action = item.action;
+
+ if ( action == THREE.PathActions.MOVE_TO ) {
+
+ if ( lastPath.actions.length != 0 ) {
+
+ subPaths.push( lastPath );
+ lastPath = new THREE.Path();
+
+ }
+
+ }
+
+ lastPath[ action ].apply( lastPath, args );
+
+ }
+
+ if ( lastPath.actions.length != 0 ) {
+
+ subPaths.push( lastPath );
+
+ }
+
+ // console.log(subPaths);
+
+ if ( subPaths.length == 0 ) return [];
+
+ var tmpPath, tmpShape, shapes = [];
+
+ var holesFirst = !THREE.Shape.Utils.isClockWise( subPaths[ 0 ].getPoints() );
+ // console.log("Holes first", holesFirst);
+
+ if ( subPaths.length == 1) {
+ tmpPath = subPaths[0];
+ tmpShape = new THREE.Shape();
+ tmpShape.actions = tmpPath.actions;
+ tmpShape.curves = tmpPath.curves;
+ shapes.push( tmpShape );
+ return shapes;
+ };
+
+ if ( holesFirst ) {
+
+ tmpShape = new THREE.Shape();
+
+ for ( i = 0, il = subPaths.length; i < il; i ++ ) {
+
+ tmpPath = subPaths[ i ];
+
+ if ( THREE.Shape.Utils.isClockWise( tmpPath.getPoints() ) ) {
+
+ tmpShape.actions = tmpPath.actions;
+ tmpShape.curves = tmpPath.curves;
+
+ shapes.push( tmpShape );
+ tmpShape = new THREE.Shape();
+
+ //console.log('cw', i);
+
+ } else {
+
+ tmpShape.holes.push( tmpPath );
+
+ //console.log('ccw', i);
+
+ }
+
+ }
+
+ } else {
+
+ // Shapes first
+
+ for ( i = 0, il = subPaths.length; i < il; i ++ ) {
+
+ tmpPath = subPaths[ i ];
+
+ if ( THREE.Shape.Utils.isClockWise( tmpPath.getPoints() ) ) {
+
+
+ if ( tmpShape ) shapes.push( tmpShape );
+
+ tmpShape = new THREE.Shape();
+ tmpShape.actions = tmpPath.actions;
+ tmpShape.curves = tmpPath.curves;
+
+ } else {
+
+ tmpShape.holes.push( tmpPath );
+
+ }
+
+ }
+
+ shapes.push( tmpShape );
+
+ }
+
+ //console.log("shape", shapes);
+
+ return shapes;
+
+};
+/**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * Defines a 2d shape plane using paths.
+ **/
+
+// STEP 1 Create a path.
+// STEP 2 Turn path into shape.
+// STEP 3 ExtrudeGeometry takes in Shape/Shapes
+// STEP 3a - Extract points from each shape, turn to vertices
+// STEP 3b - Triangulate each shape, add faces.
+
+THREE.Shape = function ( ) {
+
+ THREE.Path.apply( this, arguments );
+ this.holes = [];
+
+};
+
+THREE.Shape.prototype = new THREE.Path();
+THREE.Shape.prototype.constructor = THREE.Path;
+
+// Convenience method to return ExtrudeGeometry
+
+THREE.Shape.prototype.extrude = function ( options ) {
+
+ var extruded = new THREE.ExtrudeGeometry( this, options );
+ return extruded;
+
+};
+
+// Get points of holes
+
+THREE.Shape.prototype.getPointsHoles = function ( divisions ) {
+
+ var i, il = this.holes.length, holesPts = [];
+
+ for ( i = 0; i < il; i ++ ) {
+
+ holesPts[ i ] = this.holes[ i ].getTransformedPoints( divisions, this.bends );
+
+ }
+
+ return holesPts;
+
+};
+
+// Get points of holes (spaced by regular distance)
+
+THREE.Shape.prototype.getSpacedPointsHoles = function ( divisions ) {
+
+ var i, il = this.holes.length, holesPts = [];
+
+ for ( i = 0; i < il; i ++ ) {
+
+ holesPts[ i ] = this.holes[ i ].getTransformedSpacedPoints( divisions, this.bends );
+
+ }
+
+ return holesPts;
+
+};
+
+
+// Get points of shape and holes (keypoints based on segments parameter)
+
+THREE.Shape.prototype.extractAllPoints = function ( divisions ) {
+
+ return {
+
+ shape: this.getTransformedPoints( divisions ),
+ holes: this.getPointsHoles( divisions )
+
+ };
+
+};
+
+THREE.Shape.prototype.extractPoints = function ( divisions ) {
+
+ if (this.useSpacedPoints) {
+ return this.extractAllSpacedPoints(divisions);
+ }
+
+ return this.extractAllPoints(divisions);
+
+};
+
+//
+// THREE.Shape.prototype.extractAllPointsWithBend = function ( divisions, bend ) {
+//
+// return {
+//
+// shape: this.transform( bend, divisions ),
+// holes: this.getPointsHoles( divisions, bend )
+//
+// };
+//
+// };
+
+// Get points of shape and holes (spaced by regular distance)
+
+THREE.Shape.prototype.extractAllSpacedPoints = function ( divisions ) {
+
+ return {
+
+ shape: this.getTransformedSpacedPoints( divisions ),
+ holes: this.getSpacedPointsHoles( divisions )
+
+ };
+
+};
+
+/**************************************************************
+ * Utils
+ **************************************************************/
+
+THREE.Shape.Utils = {
+
+ /*
+ contour - array of vector2 for contour
+ holes - array of array of vector2
+ */
+
+ removeHoles: function ( contour, holes ) {
+
+ var shape = contour.concat(); // work on this shape
+ var allpoints = shape.concat();
+
+ /* For each isolated shape, find the closest points and break to the hole to allow triangulation */
+
+
+ var prevShapeVert, nextShapeVert,
+ prevHoleVert, nextHoleVert,
+ holeIndex, shapeIndex,
+ shapeId, shapeGroup,
+ h, h2,
+ hole, shortest, d,
+ p, pts1, pts2,
+ tmpShape1, tmpShape2,
+ tmpHole1, tmpHole2,
+ verts = [];
+
+ for ( h = 0; h < holes.length; h ++ ) {
+
+ hole = holes[ h ];
+
+ /*
+ shapeholes[ h ].concat(); // preserves original
+ holes.push( hole );
+ */
+
+ Array.prototype.push.apply( allpoints, hole );
+
+ shortest = Number.POSITIVE_INFINITY;
+
+
+ // Find the shortest pair of pts between shape and hole
+
+ // Note: Actually, I'm not sure now if we could optimize this to be faster than O(m*n)
+ // Using distanceToSquared() intead of distanceTo() should speed a little
+ // since running square roots operations are reduced.
+
+ for ( h2 = 0; h2 < hole.length; h2 ++ ) {
+
+ pts1 = hole[ h2 ];
+ var dist = [];
+
+ for ( p = 0; p < shape.length; p++ ) {
+
+ pts2 = shape[ p ];
+ d = pts1.distanceToSquared( pts2 );
+ dist.push( d );
+
+ if ( d < shortest ) {
+
+ shortest = d;
+ holeIndex = h2;
+ shapeIndex = p;
+
+ }
+
+ }
+
+ }
+
+ //console.log("shortest", shortest, dist);
+
+ prevShapeVert = ( shapeIndex - 1 ) >= 0 ? shapeIndex - 1 : shape.length - 1;
+ prevHoleVert = ( holeIndex - 1 ) >= 0 ? holeIndex - 1 : hole.length - 1;
+
+ var areaapts = [
+
+ hole[ holeIndex ],
+ shape[ shapeIndex ],
+ shape[ prevShapeVert ]
+
+ ];
+
+ var areaa = THREE.FontUtils.Triangulate.area( areaapts );
+
+ var areabpts = [
+
+ hole[ holeIndex ],
+ hole[ prevHoleVert ],
+ shape[ shapeIndex ]
+
+ ];
+
+ var areab = THREE.FontUtils.Triangulate.area( areabpts );
+
+ var shapeOffset = 1;
+ var holeOffset = -1;
+
+ var oldShapeIndex = shapeIndex, oldHoleIndex = holeIndex;
+ shapeIndex += shapeOffset;
+ holeIndex += holeOffset;
+
+ if ( shapeIndex < 0 ) { shapeIndex += shape.length; }
+ shapeIndex %= shape.length;
+
+ if ( holeIndex < 0 ) { holeIndex += hole.length; }
+ holeIndex %= hole.length;
+
+ prevShapeVert = ( shapeIndex - 1 ) >= 0 ? shapeIndex - 1 : shape.length - 1;
+ prevHoleVert = ( holeIndex - 1 ) >= 0 ? holeIndex - 1 : hole.length - 1;
+
+ areaapts = [
+
+ hole[ holeIndex ],
+ shape[ shapeIndex ],
+ shape[ prevShapeVert ]
+
+ ];
+
+ var areaa2 = THREE.FontUtils.Triangulate.area( areaapts );
+
+ areabpts = [
+
+ hole[ holeIndex ],
+ hole[ prevHoleVert ],
+ shape[ shapeIndex ]
+
+ ];
+
+ var areab2 = THREE.FontUtils.Triangulate.area( areabpts );
+ //console.log(areaa,areab ,areaa2,areab2, ( areaa + areab ), ( areaa2 + areab2 ));
+
+ if ( ( areaa + areab ) > ( areaa2 + areab2 ) ) {
+
+ // In case areas are not correct.
+ //console.log("USE THIS");
+
+ shapeIndex = oldShapeIndex;
+ holeIndex = oldHoleIndex ;
+
+ if ( shapeIndex < 0 ) { shapeIndex += shape.length; }
+ shapeIndex %= shape.length;
+
+ if ( holeIndex < 0 ) { holeIndex += hole.length; }
+ holeIndex %= hole.length;
+
+ prevShapeVert = ( shapeIndex - 1 ) >= 0 ? shapeIndex - 1 : shape.length - 1;
+ prevHoleVert = ( holeIndex - 1 ) >= 0 ? holeIndex - 1 : hole.length - 1;
+
+ } else {
+
+ //console.log("USE THAT ")
+
+ }
+
+ tmpShape1 = shape.slice( 0, shapeIndex );
+ tmpShape2 = shape.slice( shapeIndex );
+ tmpHole1 = hole.slice( holeIndex );
+ tmpHole2 = hole.slice( 0, holeIndex );
+
+ // Should check orders here again?
+
+ var trianglea = [
+
+ hole[ holeIndex ],
+ shape[ shapeIndex ],
+ shape[ prevShapeVert ]
+
+ ];
+
+ var triangleb = [
+
+ hole[ holeIndex ] ,
+ hole[ prevHoleVert ],
+ shape[ shapeIndex ]
+
+ ];
+
+ verts.push( trianglea );
+ verts.push( triangleb );
+
+ shape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );
+
+ }
+
+ return {
+
+ shape:shape, /* shape with no holes */
+ isolatedPts: verts, /* isolated faces */
+ allpoints: allpoints
+
+ }
+
+
+ },
+
+ triangulateShape: function ( contour, holes ) {
+
+ var shapeWithoutHoles = THREE.Shape.Utils.removeHoles( contour, holes );
+
+ var shape = shapeWithoutHoles.shape,
+ allpoints = shapeWithoutHoles.allpoints,
+ isolatedPts = shapeWithoutHoles.isolatedPts;
+
+ var triangles = THREE.FontUtils.Triangulate( shape, false ); // True returns indices for points of spooled shape
+
+ // To maintain reference to old shape, one must match coordinates, or offset the indices from original arrays. It's probably easier to do the first.
+
+ //console.log( "triangles",triangles, triangles.length );
+ //console.log( "allpoints",allpoints, allpoints.length );
+
+ var i, il, f, face,
+ key, index,
+ allPointsMap = {},
+ isolatedPointsMap = {};
+
+ // prepare all points map
+
+ for ( i = 0, il = allpoints.length; i < il; i ++ ) {
+
+ key = allpoints[ i ].x + ":" + allpoints[ i ].y;
+
+ if ( allPointsMap[ key ] !== undefined ) {
+
+ console.log( "Duplicate point", key );
+
+ }
+
+ allPointsMap[ key ] = i;
+
+ }
+
+ // check all face vertices against all points map
+
+ for ( i = 0, il = triangles.length; i < il; i ++ ) {
+
+ face = triangles[ i ];
+
+ for ( f = 0; f < 3; f ++ ) {
+
+ key = face[ f ].x + ":" + face[ f ].y;
+
+ index = allPointsMap[ key ];
+
+ if ( index !== undefined ) {
+
+ face[ f ] = index;
+
+ }
+
+ }
+
+ }
+
+ // check isolated points vertices against all points map
+
+ for ( i = 0, il = isolatedPts.length; i < il; i ++ ) {
+
+ face = isolatedPts[ i ];
+
+ for ( f = 0; f < 3; f ++ ) {
+
+ key = face[ f ].x + ":" + face[ f ].y;
+
+ index = allPointsMap[ key ];
+
+ if ( index !== undefined ) {
+
+ face[ f ] = index;
+
+ }
+
+ }
+
+ }
+
+ return triangles.concat( isolatedPts );
+
+ }, // end triangulate shapes
+
+ /*
+ triangulate2 : function( pts, holes ) {
+
+ // For use with Poly2Tri.js
+
+ var allpts = pts.concat();
+ var shape = [];
+ for (var p in pts) {
+ shape.push(new js.poly2tri.Point(pts[p].x, pts[p].y));
+ }
+
+ var swctx = new js.poly2tri.SweepContext(shape);
+
+ for (var h in holes) {
+ var aHole = holes[h];
+ var newHole = []
+ for (i in aHole) {
+ newHole.push(new js.poly2tri.Point(aHole[i].x, aHole[i].y));
+ allpts.push(aHole[i]);
+ }
+ swctx.AddHole(newHole);
+ }
+
+ var find;
+ var findIndexForPt = function (pt) {
+ find = new THREE.Vector2(pt.x, pt.y);
+ var p;
+ for (p=0, pl = allpts.length; p 1 ) {
+
+ console.log( "THREE.Animation.update: Warning! Scale out of bounds:" + scale + " on bone " + h );
+ scale = scale < 0 ? 0 : 1;
+
+ }
+
+ // interpolate
+
+ if ( type === "pos" ) {
+
+ vector = object.position;
+
+ if( this.interpolationType === THREE.AnimationHandler.LINEAR ) {
+
+ vector.x = prevXYZ[ 0 ] + ( nextXYZ[ 0 ] - prevXYZ[ 0 ] ) * scale;
+ vector.y = prevXYZ[ 1 ] + ( nextXYZ[ 1 ] - prevXYZ[ 1 ] ) * scale;
+ vector.z = prevXYZ[ 2 ] + ( nextXYZ[ 2 ] - prevXYZ[ 2 ] ) * scale;
+
+ } else if ( this.interpolationType === THREE.AnimationHandler.CATMULLROM ||
+ this.interpolationType === THREE.AnimationHandler.CATMULLROM_FORWARD ) {
+
+ this.points[ 0 ] = this.getPrevKeyWith( "pos", h, prevKey.index - 1 )[ "pos" ];
+ this.points[ 1 ] = prevXYZ;
+ this.points[ 2 ] = nextXYZ;
+ this.points[ 3 ] = this.getNextKeyWith( "pos", h, nextKey.index + 1 )[ "pos" ];
+
+ scale = scale * 0.33 + 0.33;
+
+ currentPoint = this.interpolateCatmullRom( this.points, scale );
+
+ vector.x = currentPoint[ 0 ];
+ vector.y = currentPoint[ 1 ];
+ vector.z = currentPoint[ 2 ];
+
+ if( this.interpolationType === THREE.AnimationHandler.CATMULLROM_FORWARD ) {
+
+ forwardPoint = this.interpolateCatmullRom( this.points, scale * 1.01 );
+
+ this.target.set( forwardPoint[ 0 ], forwardPoint[ 1 ], forwardPoint[ 2 ] );
+ this.target.subSelf( vector );
+ this.target.y = 0;
+ this.target.normalize();
+
+ angle = Math.atan2( this.target.x, this.target.z );
+ object.rotation.set( 0, angle, 0 );
+
+ }
+
+ }
+
+ } else if ( type === "rot" ) {
+
+ THREE.Quaternion.slerp( prevXYZ, nextXYZ, object.quaternion, scale );
+
+ } else if( type === "scl" ) {
+
+ vector = object.scale;
+
+ vector.x = prevXYZ[ 0 ] + ( nextXYZ[ 0 ] - prevXYZ[ 0 ] ) * scale;
+ vector.y = prevXYZ[ 1 ] + ( nextXYZ[ 1 ] - prevXYZ[ 1 ] ) * scale;
+ vector.z = prevXYZ[ 2 ] + ( nextXYZ[ 2 ] - prevXYZ[ 2 ] ) * scale;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ // update JIT?
+
+ if ( this.JITCompile ) {
+
+ if ( JIThierarchy[ 0 ][ frame ] === undefined ) {
+
+ this.hierarchy[ 0 ].updateMatrixWorld( true );
+
+ for ( var h = 0; h < this.hierarchy.length; h++ ) {
+
+ if( this.hierarchy[ h ] instanceof THREE.Bone ) {
+
+ JIThierarchy[ h ][ frame ] = this.hierarchy[ h ].skinMatrix.clone();
+
+ } else {
+
+ JIThierarchy[ h ][ frame ] = this.hierarchy[ h ].matrix.clone();
+
+ }
+
+ }
+
+ }
+
+ }
+
+};
+
+// Catmull-Rom spline
+
+THREE.Animation.prototype.interpolateCatmullRom = function ( points, scale ) {
+
+ var c = [], v3 = [],
+ point, intPoint, weight, w2, w3,
+ pa, pb, pc, pd;
+
+ point = ( points.length - 1 ) * scale;
+ intPoint = Math.floor( point );
+ weight = point - intPoint;
+
+ c[ 0 ] = intPoint === 0 ? intPoint : intPoint - 1;
+ c[ 1 ] = intPoint;
+ c[ 2 ] = intPoint > points.length - 2 ? intPoint : intPoint + 1;
+ c[ 3 ] = intPoint > points.length - 3 ? intPoint : intPoint + 2;
+
+ pa = points[ c[ 0 ] ];
+ pb = points[ c[ 1 ] ];
+ pc = points[ c[ 2 ] ];
+ pd = points[ c[ 3 ] ];
+
+ w2 = weight * weight;
+ w3 = weight * w2;
+
+ v3[ 0 ] = this.interpolate( pa[ 0 ], pb[ 0 ], pc[ 0 ], pd[ 0 ], weight, w2, w3 );
+ v3[ 1 ] = this.interpolate( pa[ 1 ], pb[ 1 ], pc[ 1 ], pd[ 1 ], weight, w2, w3 );
+ v3[ 2 ] = this.interpolate( pa[ 2 ], pb[ 2 ], pc[ 2 ], pd[ 2 ], weight, w2, w3 );
+
+ return v3;
+
+};
+
+THREE.Animation.prototype.interpolate = function( p0, p1, p2, p3, t, t2, t3 ) {
+
+ var v0 = ( p2 - p0 ) * 0.5,
+ v1 = ( p3 - p1 ) * 0.5;
+
+ return ( 2 * ( p1 - p2 ) + v0 + v1 ) * t3 + ( - 3 * ( p1 - p2 ) - 2 * v0 - v1 ) * t2 + v0 * t + p1;
+
+};
+
+
+
+// Get next key with
+
+THREE.Animation.prototype.getNextKeyWith = function( type, h, key ) {
+
+ var keys = this.data.hierarchy[ h ].keys;
+
+ if ( this.interpolationType === THREE.AnimationHandler.CATMULLROM ||
+ this.interpolationType === THREE.AnimationHandler.CATMULLROM_FORWARD ) {
+
+ key = key < keys.length - 1 ? key : keys.length - 1;
+
+ } else {
+
+ key = key % keys.length;
+
+ }
+
+ for ( ; key < keys.length; key++ ) {
+
+ if ( keys[ key ][ type ] !== undefined ) {
+
+ return keys[ key ];
+
+ }
+
+ }
+
+ return this.data.hierarchy[ h ].keys[ 0 ];
+
+};
+
+// Get previous key with
+
+THREE.Animation.prototype.getPrevKeyWith = function( type, h, key ) {
+
+ var keys = this.data.hierarchy[ h ].keys;
+
+ if ( this.interpolationType === THREE.AnimationHandler.CATMULLROM ||
+ this.interpolationType === THREE.AnimationHandler.CATMULLROM_FORWARD ) {
+
+ key = key > 0 ? key : 0;
+
+ } else {
+
+ key = key >= 0 ? key : key + keys.length;
+
+ }
+
+
+ for ( ; key >= 0; key-- ) {
+
+ if ( keys[ key ][ type ] !== undefined ) {
+
+ return keys[ key ];
+
+ }
+
+ }
+
+ return this.data.hierarchy[ h ].keys[ keys.length - 1 ];
+
+};/**
+ * @author mikael emtinger / http://gomo.se/
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author khang duong
+ * @author erik kitson
+ */
+
+THREE.KeyFrameAnimation = function( root, data, JITCompile ) {
+
+ this.root = root;
+ this.data = THREE.AnimationHandler.get( data );
+ this.hierarchy = THREE.AnimationHandler.parse( root );
+ this.currentTime = 0;
+ this.timeScale = 0.001;
+ this.isPlaying = false;
+ this.isPaused = true;
+ this.loop = true;
+ this.JITCompile = JITCompile !== undefined ? JITCompile : true;
+
+ // initialize to first keyframes
+
+ for ( var h = 0, hl = this.hierarchy.length; h < hl; h++ ) {
+
+ var keys = this.data.hierarchy[h].keys,
+ sids = this.data.hierarchy[h].sids,
+ obj = this.hierarchy[h];
+
+ if ( keys.length && sids ) {
+
+ for ( var s = 0; s < sids.length; s++ ) {
+
+ var sid = sids[ s ],
+ next = this.getNextKeyWith( sid, h, 0 );
+
+ if ( next ) {
+
+ next.apply( sid );
+
+ }
+
+ }
+
+ obj.matrixAutoUpdate = false;
+ this.data.hierarchy[h].node.updateMatrix();
+ obj.matrixWorldNeedsUpdate = true;
+
+ }
+
+ }
+
+};
+
+// Play
+
+THREE.KeyFrameAnimation.prototype.play = function( loop, startTimeMS ) {
+
+ if( !this.isPlaying ) {
+
+ this.isPlaying = true;
+ this.loop = loop !== undefined ? loop : true;
+ this.currentTime = startTimeMS !== undefined ? startTimeMS : 0;
+ this.startTimeMs = startTimeMS;
+ this.startTime = 10000000;
+ this.endTime = -this.startTime;
+
+
+ // reset key cache
+
+ var h, hl = this.hierarchy.length,
+ object,
+ node;
+
+ for ( h = 0; h < hl; h++ ) {
+
+ object = this.hierarchy[ h ];
+ node = this.data.hierarchy[ h ];
+ object.useQuaternion = true;
+
+ if ( node.animationCache === undefined ) {
+
+ node.animationCache = {};
+ node.animationCache.prevKey = null;
+ node.animationCache.nextKey = null;
+ node.animationCache.originalMatrix = object instanceof THREE.Bone ? object.skinMatrix : object.matrix;
+
+ }
+
+ var keys = this.data.hierarchy[h].keys;
+
+ if (keys.length) {
+
+ node.animationCache.prevKey = keys[ 0 ];
+ node.animationCache.nextKey = keys[ 1 ];
+
+ this.startTime = Math.min( keys[0].time, this.startTime );
+ this.endTime = Math.max( keys[keys.length - 1].time, this.endTime );
+
+ }
+
+ }
+
+ this.update( 0 );
+
+ }
+
+ this.isPaused = false;
+
+ THREE.AnimationHandler.addToUpdate( this );
+
+};
+
+
+
+// Pause
+
+THREE.KeyFrameAnimation.prototype.pause = function() {
+
+ if( this.isPaused ) {
+
+ THREE.AnimationHandler.addToUpdate( this );
+
+ } else {
+
+ THREE.AnimationHandler.removeFromUpdate( this );
+
+ }
+
+ this.isPaused = !this.isPaused;
+
+};
+
+
+// Stop
+
+THREE.KeyFrameAnimation.prototype.stop = function() {
+
+ this.isPlaying = false;
+ this.isPaused = false;
+ THREE.AnimationHandler.removeFromUpdate( this );
+
+
+ // reset JIT matrix and remove cache
+
+ for ( var h = 0; h < this.data.hierarchy.length; h++ ) {
+
+ var obj = this.hierarchy[ h ];
+ var node = this.data.hierarchy[ h ];
+
+ if ( node.animationCache !== undefined ) {
+
+ var original = node.animationCache.originalMatrix;
+
+ if( obj instanceof THREE.Bone ) {
+
+ original.copy( obj.skinMatrix );
+ obj.skinMatrix = original;
+
+ } else {
+
+ original.copy( obj.matrix );
+ obj.matrix = original;
+
+ }
+
+ delete node.animationCache;
+
+ }
+
+ }
+
+};
+
+
+// Update
+
+THREE.KeyFrameAnimation.prototype.update = function( deltaTimeMS ) {
+
+ // early out
+
+ if( !this.isPlaying ) return;
+
+
+ // vars
+
+ var prevKey, nextKey;
+ var object;
+ var node;
+ var frame;
+ var JIThierarchy = this.data.JIT.hierarchy;
+ var currentTime, unloopedCurrentTime;
+ var looped;
+
+
+ // update
+
+ this.currentTime += deltaTimeMS * this.timeScale;
+
+ unloopedCurrentTime = this.currentTime;
+ currentTime = this.currentTime = this.currentTime % this.data.length;
+
+ // if looped around, the current time should be based on the startTime
+ if ( currentTime < this.startTimeMs ) {
+
+ currentTime = this.currentTime = this.startTimeMs + currentTime;
+
+ }
+
+ frame = parseInt( Math.min( currentTime * this.data.fps, this.data.length * this.data.fps ), 10 );
+ looped = currentTime < unloopedCurrentTime;
+
+ if ( looped && !this.loop ) {
+
+ // Set the animation to the last keyframes and stop
+ for ( var h = 0, hl = this.hierarchy.length; h < hl; h++ ) {
+
+ var keys = this.data.hierarchy[h].keys,
+ sids = this.data.hierarchy[h].sids,
+ end = keys.length-1,
+ obj = this.hierarchy[h];
+
+ if ( keys.length ) {
+
+ for ( var s = 0; s < sids.length; s++ ) {
+
+ var sid = sids[ s ],
+ prev = this.getPrevKeyWith( sid, h, end );
+
+ if ( prev ) {
+ prev.apply( sid );
+
+ }
+
+ }
+
+ this.data.hierarchy[h].node.updateMatrix();
+ obj.matrixWorldNeedsUpdate = true;
+
+ }
+
+ }
+
+ this.stop();
+ return;
+
+ }
+
+ // check pre-infinity
+ if ( currentTime < this.startTime ) {
+
+ return;
+
+ }
+
+ // update
+
+ for ( var h = 0, hl = this.hierarchy.length; h < hl; h++ ) {
+
+ object = this.hierarchy[ h ];
+ node = this.data.hierarchy[ h ];
+
+ var keys = node.keys,
+ animationCache = node.animationCache;
+
+ // use JIT?
+
+ if ( this.JITCompile && JIThierarchy[ h ][ frame ] !== undefined ) {
+
+ if( object instanceof THREE.Bone ) {
+
+ object.skinMatrix = JIThierarchy[ h ][ frame ];
+ object.matrixWorldNeedsUpdate = false;
+
+ } else {
+
+ object.matrix = JIThierarchy[ h ][ frame ];
+ object.matrixWorldNeedsUpdate = true;
+
+ }
+
+ // use interpolation
+
+ } else if ( keys.length ) {
+
+ // make sure so original matrix and not JIT matrix is set
+
+ if ( this.JITCompile && animationCache ) {
+
+ if( object instanceof THREE.Bone ) {
+
+ object.skinMatrix = animationCache.originalMatrix;
+
+ } else {
+
+ object.matrix = animationCache.originalMatrix;
+
+ }
+
+ }
+
+ prevKey = animationCache.prevKey;
+ nextKey = animationCache.nextKey;
+
+ if ( prevKey && nextKey ) {
+
+ // switch keys?
+
+ if ( nextKey.time <= unloopedCurrentTime ) {
+
+ // did we loop?
+
+ if ( looped && this.loop ) {
+
+ prevKey = keys[ 0 ];
+ nextKey = keys[ 1 ];
+
+ while ( nextKey.time < currentTime ) {
+
+ prevKey = nextKey;
+ nextKey = keys[ prevKey.index + 1 ];
+
+ }
+
+ } else if ( !looped ) {
+
+ var lastIndex = keys.length - 1;
+
+ while ( nextKey.time < currentTime && nextKey.index !== lastIndex ) {
+
+ prevKey = nextKey;
+ nextKey = keys[ prevKey.index + 1 ];
+
+ }
+
+ }
+
+ animationCache.prevKey = prevKey;
+ animationCache.nextKey = nextKey;
+
+ }
+ if(nextKey.time >= currentTime)
+ prevKey.interpolate( nextKey, currentTime );
+ else
+ prevKey.interpolate( nextKey, nextKey.time);
+
+ }
+
+ this.data.hierarchy[h].node.updateMatrix();
+ object.matrixWorldNeedsUpdate = true;
+
+ }
+
+ }
+
+ // update JIT?
+
+ if ( this.JITCompile ) {
+
+ if ( JIThierarchy[ 0 ][ frame ] === undefined ) {
+
+ this.hierarchy[ 0 ].updateMatrixWorld( true );
+
+ for ( var h = 0; h < this.hierarchy.length; h++ ) {
+
+ if( this.hierarchy[ h ] instanceof THREE.Bone ) {
+
+ JIThierarchy[ h ][ frame ] = this.hierarchy[ h ].skinMatrix.clone();
+
+ } else {
+
+ JIThierarchy[ h ][ frame ] = this.hierarchy[ h ].matrix.clone();
+
+ }
+
+ }
+
+ }
+
+ }
+
+};
+
+// Get next key with
+
+THREE.KeyFrameAnimation.prototype.getNextKeyWith = function( sid, h, key ) {
+
+ var keys = this.data.hierarchy[ h ].keys;
+ key = key % keys.length;
+
+ for ( ; key < keys.length; key++ ) {
+
+ if ( keys[ key ].hasTarget( sid ) ) {
+
+ return keys[ key ];
+
+ }
+
+ }
+
+ return keys[ 0 ];
+
+};
+
+// Get previous key with
+
+THREE.KeyFrameAnimation.prototype.getPrevKeyWith = function( sid, h, key ) {
+
+ var keys = this.data.hierarchy[ h ].keys;
+ key = key >= 0 ? key : key + keys.length;
+
+ for ( ; key >= 0; key-- ) {
+
+ if ( keys[ key ].hasTarget( sid ) ) {
+
+ return keys[ key ];
+
+ }
+
+ }
+
+ return keys[ keys.length - 1 ];
+
+};
+/**
+ * Camera for rendering cube maps
+ * - renders scene into axis-aligned cube
+ *
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.CubeCamera = function ( near, far, cubeResolution ) {
+
+ THREE.Object3D.call( this );
+
+ var fov = 90, aspect = 1;
+
+ var cameraPX = new THREE.PerspectiveCamera( fov, aspect, near, far );
+ cameraPX.up.set( 0, -1, 0 );
+ cameraPX.lookAt( new THREE.Vector3( 1, 0, 0 ) );
+ this.add( cameraPX );
+
+ var cameraNX = new THREE.PerspectiveCamera( fov, aspect, near, far );
+ cameraNX.up.set( 0, -1, 0 );
+ cameraNX.lookAt( new THREE.Vector3( -1, 0, 0 ) );
+ this.add( cameraNX );
+
+ var cameraPY = new THREE.PerspectiveCamera( fov, aspect, near, far );
+ cameraPY.up.set( 0, 0, 1 );
+ cameraPY.lookAt( new THREE.Vector3( 0, 1, 0 ) );
+ this.add( cameraPY );
+
+ var cameraNY = new THREE.PerspectiveCamera( fov, aspect, near, far );
+ cameraNY.up.set( 0, 0, -1 );
+ cameraNY.lookAt( new THREE.Vector3( 0, -1, 0 ) );
+ this.add( cameraNY );
+
+ var cameraPZ = new THREE.PerspectiveCamera( fov, aspect, near, far );
+ cameraPZ.up.set( 0, -1, 0 );
+ cameraPZ.lookAt( new THREE.Vector3( 0, 0, 1 ) );
+ this.add( cameraPZ );
+
+ var cameraNZ = new THREE.PerspectiveCamera( fov, aspect, near, far );
+ cameraNZ.up.set( 0, -1, 0 );
+ cameraNZ.lookAt( new THREE.Vector3( 0, 0, -1 ) );
+ this.add( cameraNZ );
+
+ this.renderTarget = new THREE.WebGLRenderTargetCube( cubeResolution, cubeResolution, { format: THREE.RGBFormat, magFilter: THREE.LinearFilter, minFilter: THREE.LinearFilter } );
+
+ this.updateCubeMap = function ( renderer, scene ) {
+
+ var renderTarget = this.renderTarget;
+ var generateMipmaps = renderTarget.generateMipmaps;
+
+ renderTarget.generateMipmaps = false;
+
+ renderTarget.activeCubeFace = 0;
+ renderer.render( scene, cameraPX, renderTarget );
+
+ renderTarget.activeCubeFace = 1;
+ renderer.render( scene, cameraNX, renderTarget );
+
+ renderTarget.activeCubeFace = 2;
+ renderer.render( scene, cameraPY, renderTarget );
+
+ renderTarget.activeCubeFace = 3;
+ renderer.render( scene, cameraNY, renderTarget );
+
+ renderTarget.activeCubeFace = 4;
+ renderer.render( scene, cameraPZ, renderTarget );
+
+ renderTarget.generateMipmaps = generateMipmaps;
+
+ renderTarget.activeCubeFace = 5;
+ renderer.render( scene, cameraNZ, renderTarget );
+
+ };
+
+};
+
+THREE.CubeCamera.prototype = new THREE.Object3D();
+THREE.CubeCamera.prototype.constructor = THREE.CubeCamera;
+/*
+ * @author zz85 / http://twitter.com/blurspline / http://www.lab4games.net/zz85/blog
+ *
+ * A general perpose camera, for setting FOV, Lens Focal Length,
+ * and switching between perspective and orthographic views easily.
+ * Use this only if you do not wish to manage
+ * both a Orthographic and Perspective Camera
+ *
+ */
+
+
+THREE.CombinedCamera = function ( width, height, fov, near, far, orthonear, orthofar ) {
+
+ THREE.Camera.call( this );
+
+ this.fov = fov;
+
+ this.left = -width / 2;
+ this.right = width / 2
+ this.top = height / 2;
+ this.bottom = -height / 2;
+
+ // We could also handle the projectionMatrix internally, but just wanted to test nested camera objects
+ this.cameraO = new THREE.OrthographicCamera( width / - 2, width / 2, height / 2, height / - 2, orthonear, orthofar );
+ this.cameraP = new THREE.PerspectiveCamera( fov, width/height, near, far );
+
+ this.zoom = 1;
+
+ this.toPerspective();
+
+
+ var aspect = width/height;
+
+
+
+
+};
+
+THREE.CombinedCamera.prototype = new THREE.Camera();
+THREE.CombinedCamera.prototype.constructor = THREE.CombinedCamera;
+
+THREE.CombinedCamera.prototype.toPerspective = function () {
+ // Switches to the Perspective Camera
+
+ this.near = this.cameraP.near;
+ this.far = this.cameraP.far;
+ this.cameraP.fov = this.fov / this.zoom ;
+ this.cameraP.updateProjectionMatrix();
+ this.projectionMatrix = this.cameraP.projectionMatrix;
+
+ this.inPersepectiveMode = true;
+ this.inOrthographicMode = false;
+
+};
+
+THREE.CombinedCamera.prototype.toOrthographic = function () {
+
+ // Switches to the Orthographic camera estimating viewport from Perspective
+ var fov = this.fov;
+ var aspect = this.cameraP.aspect;
+ var near = this.cameraP.near;
+ var far = this.cameraP.far;
+
+
+ // The size that we set is the mid plane of the viewing frustum
+ var hyperfocus = ( near + far ) / 2;
+
+ var halfHeight = Math.tan( fov / 2 ) * hyperfocus;
+ var planeHeight = 2 * halfHeight;
+ var planeWidth = planeHeight * aspect;
+ var halfWidth = planeWidth / 2;
+
+ halfHeight /= this.zoom;
+ halfWidth /= this.zoom;
+
+ this.cameraO.left = -halfWidth;
+ this.cameraO.right = halfWidth;
+ this.cameraO.top = halfHeight;
+ this.cameraO.bottom = -halfHeight;
+
+ // this.cameraO.left = -farHalfWidth;
+ // this.cameraO.right = farHalfWidth;
+ // this.cameraO.top = farHalfHeight;
+ // this.cameraO.bottom = -farHalfHeight;
+
+ // this.cameraO.left = this.left / this.zoom;
+ // this.cameraO.right = this.right / this.zoom;
+ // this.cameraO.top = this.top / this.zoom;
+ // this.cameraO.bottom = this.bottom / this.zoom;
+
+ this.cameraO.updateProjectionMatrix();
+
+ this.near = this.cameraO.near;
+ this.far = this.cameraO.far;
+ this.projectionMatrix = this.cameraO.projectionMatrix;
+
+ this.inPersepectiveMode = false;
+ this.inOrthographicMode = true;
+
+};
+
+
+THREE.CombinedCamera.prototype.setSize = function(width, height) {
+
+ this.cameraP.aspect = width / height;
+ this.left = -width / 2;
+ this.right = width / 2
+ this.top = height / 2;
+ this.bottom = -height / 2;
+
+}
+
+
+THREE.CombinedCamera.prototype.setFov = function(fov) {
+ this.fov = fov;
+
+ if (this.inPersepectiveMode) {
+ this.toPerspective();
+ } else {
+ this.toOrthographic();
+ }
+
+};
+
+// For mantaining similar API with PerspectiveCamera
+THREE.CombinedCamera.prototype.updateProjectionMatrix = function() {
+ if (this.inPersepectiveMode) {
+ this.toPerspective();
+ } else {
+ this.toPerspective();
+ this.toOrthographic();
+ }
+};
+
+/*
+* Uses Focal Length (in mm) to estimate and set FOV
+* 35mm (fullframe) camera is used if frame size is not specified;
+* Formula based on http://www.bobatkins.com/photography/technical/field_of_view.html
+*/
+THREE.CombinedCamera.prototype.setLens = function ( focalLength, frameHeight ) {
+
+ frameHeight = frameHeight !== undefined ? frameHeight : 24;
+
+ var fov = 2 * Math.atan( frameHeight / ( focalLength * 2 ) ) * ( 180 / Math.PI );
+
+ this.setFov( fov );
+
+ return fov;
+};
+
+
+THREE.CombinedCamera.prototype.setZoom = function(zoom) {
+
+ this.zoom = zoom;
+
+ if (this.inPersepectiveMode) {
+ this.toPerspective();
+ } else {
+ this.toOrthographic();
+ }
+
+
+};
+
+THREE.CombinedCamera.prototype.toFrontView = function() {
+ this.rotation.x = 0;
+ this.rotation.y = 0;
+ this.rotation.z = 0;
+ // should we be modifing the matrix instead?
+ this.rotationAutoUpdate = false;
+};
+
+THREE.CombinedCamera.prototype.toBackView = function() {
+ this.rotation.x = 0;
+ this.rotation.y = Math.PI;
+ this.rotation.z = 0;
+ this.rotationAutoUpdate = false;
+};
+
+THREE.CombinedCamera.prototype.toLeftView = function() {
+ this.rotation.x = 0;
+ this.rotation.y = - Math.PI / 2;
+ this.rotation.z = 0;
+ this.rotationAutoUpdate = false;
+};
+
+THREE.CombinedCamera.prototype.toRightView = function() {
+ this.rotation.x = 0;
+ this.rotation.y = Math.PI / 2;
+ this.rotation.z = 0;
+ this.rotationAutoUpdate = false;
+};
+
+THREE.CombinedCamera.prototype.toTopView = function() {
+ this.rotation.x = - Math.PI / 2;
+ this.rotation.y = 0;
+ this.rotation.z = 0;
+ this.rotationAutoUpdate = false;
+};
+
+THREE.CombinedCamera.prototype.toBottomView = function() {
+ this.rotation.x = Math.PI / 2;
+ this.rotation.y = 0;
+ this.rotation.z = 0;
+ this.rotationAutoUpdate = false;
+};
+
+/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author paulirish / http://paulirish.com/
+ */
+
+THREE.FirstPersonControls = function ( object, domElement ) {
+
+ this.object = object;
+ this.target = new THREE.Vector3( 0, 0, 0 );
+
+ this.domElement = ( domElement !== undefined ) ? domElement : document;
+
+ this.movementSpeed = 1.0;
+ this.lookSpeed = 0.005;
+
+ this.noFly = false;
+ this.lookVertical = true;
+ this.autoForward = false;
+ // this.invertVertical = false;
+
+ this.activeLook = true;
+
+ this.heightSpeed = false;
+ this.heightCoef = 1.0;
+ this.heightMin = 0.0;
+
+ this.constrainVertical = false;
+ this.verticalMin = 0;
+ this.verticalMax = Math.PI;
+
+ this.autoSpeedFactor = 0.0;
+
+ this.mouseX = 0;
+ this.mouseY = 0;
+
+ this.lat = 0;
+ this.lon = 0;
+ this.phi = 0;
+ this.theta = 0;
+
+ this.moveForward = false;
+ this.moveBackward = false;
+ this.moveLeft = false;
+ this.moveRight = false;
+ this.freeze = false;
+
+ this.mouseDragOn = false;
+
+ if ( this.domElement === document ) {
+
+ this.viewHalfX = window.innerWidth / 2;
+ this.viewHalfY = window.innerHeight / 2;
+
+ } else {
+
+ this.viewHalfX = this.domElement.offsetWidth / 2;
+ this.viewHalfY = this.domElement.offsetHeight / 2;
+ this.domElement.setAttribute( 'tabindex', -1 );
+
+ }
+
+ this.onMouseDown = function ( event ) {
+
+ if ( this.domElement !== document ) {
+
+ this.domElement.focus();
+
+ }
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ if ( this.activeLook ) {
+
+ switch ( event.button ) {
+
+ case 0: this.moveForward = true; break;
+ case 2: this.moveBackward = true; break;
+
+ }
+
+ }
+
+ this.mouseDragOn = true;
+
+ };
+
+ this.onMouseUp = function ( event ) {
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ if ( this.activeLook ) {
+
+ switch ( event.button ) {
+
+ case 0: this.moveForward = false; break;
+ case 2: this.moveBackward = false; break;
+
+ }
+
+ }
+
+ this.mouseDragOn = false;
+
+ };
+
+ this.onMouseMove = function ( event ) {
+
+ if ( this.domElement === document ) {
+
+ this.mouseX = event.pageX - this.viewHalfX;
+ this.mouseY = event.pageY - this.viewHalfY;
+
+ } else {
+
+ this.mouseX = event.pageX - this.domElement.offsetLeft - this.viewHalfX;
+ this.mouseY = event.pageY - this.domElement.offsetTop - this.viewHalfY;
+
+ }
+
+ };
+
+ this.onKeyDown = function ( event ) {
+
+ switch( event.keyCode ) {
+
+ case 38: /*up*/
+ case 87: /*W*/ this.moveForward = true; break;
+
+ case 37: /*left*/
+ case 65: /*A*/ this.moveLeft = true; break;
+
+ case 40: /*down*/
+ case 83: /*S*/ this.moveBackward = true; break;
+
+ case 39: /*right*/
+ case 68: /*D*/ this.moveRight = true; break;
+
+ case 82: /*R*/ this.moveUp = true; break;
+ case 70: /*F*/ this.moveDown = true; break;
+
+ case 81: /*Q*/ this.freeze = !this.freeze; break;
+
+ }
+
+ };
+
+ this.onKeyUp = function ( event ) {
+
+ switch( event.keyCode ) {
+
+ case 38: /*up*/
+ case 87: /*W*/ this.moveForward = false; break;
+
+ case 37: /*left*/
+ case 65: /*A*/ this.moveLeft = false; break;
+
+ case 40: /*down*/
+ case 83: /*S*/ this.moveBackward = false; break;
+
+ case 39: /*right*/
+ case 68: /*D*/ this.moveRight = false; break;
+
+ case 82: /*R*/ this.moveUp = false; break;
+ case 70: /*F*/ this.moveDown = false; break;
+
+ }
+
+ };
+
+ this.update = function( delta ) {
+ var actualMoveSpeed = 0;
+
+ if ( this.freeze ) {
+
+ return;
+
+ } else {
+
+ if ( this.heightSpeed ) {
+
+ var y = THREE.Math.clamp( this.object.position.y, this.heightMin, this.heightMax );
+ var heightDelta = y - this.heightMin;
+
+ this.autoSpeedFactor = delta * ( heightDelta * this.heightCoef );
+
+ } else {
+
+ this.autoSpeedFactor = 0.0;
+
+ }
+
+ actualMoveSpeed = delta * this.movementSpeed;
+
+ if ( this.moveForward || ( this.autoForward && !this.moveBackward ) ) this.object.translateZ( - ( actualMoveSpeed + this.autoSpeedFactor ) );
+ if ( this.moveBackward ) this.object.translateZ( actualMoveSpeed );
+
+ if ( this.moveLeft ) this.object.translateX( - actualMoveSpeed );
+ if ( this.moveRight ) this.object.translateX( actualMoveSpeed );
+
+ if ( this.moveUp ) this.object.translateY( actualMoveSpeed );
+ if ( this.moveDown ) this.object.translateY( - actualMoveSpeed );
+
+ var actualLookSpeed = delta * this.lookSpeed;
+
+ if ( !this.activeLook ) {
+
+ actualLookSpeed = 0;
+
+ }
+
+ this.lon += this.mouseX * actualLookSpeed;
+ if( this.lookVertical ) this.lat -= this.mouseY * actualLookSpeed; // * this.invertVertical?-1:1;
+
+ this.lat = Math.max( - 85, Math.min( 85, this.lat ) );
+ this.phi = ( 90 - this.lat ) * Math.PI / 180;
+ this.theta = this.lon * Math.PI / 180;
+
+ var targetPosition = this.target,
+ position = this.object.position;
+
+ targetPosition.x = position.x + 100 * Math.sin( this.phi ) * Math.cos( this.theta );
+ targetPosition.y = position.y + 100 * Math.cos( this.phi );
+ targetPosition.z = position.z + 100 * Math.sin( this.phi ) * Math.sin( this.theta );
+
+ }
+
+ var verticalLookRatio = 1;
+
+ if ( this.constrainVertical ) {
+
+ verticalLookRatio = Math.PI / ( this.verticalMax - this.verticalMin );
+
+ }
+
+ this.lon += this.mouseX * actualLookSpeed;
+ if( this.lookVertical ) this.lat -= this.mouseY * actualLookSpeed * verticalLookRatio;
+
+ this.lat = Math.max( - 85, Math.min( 85, this.lat ) );
+ this.phi = ( 90 - this.lat ) * Math.PI / 180;
+
+ this.theta = this.lon * Math.PI / 180;
+
+ if ( this.constrainVertical ) {
+
+ this.phi = THREE.Math.mapLinear( this.phi, 0, Math.PI, this.verticalMin, this.verticalMax );
+
+ }
+
+ var targetPosition = this.target,
+ position = this.object.position;
+
+ targetPosition.x = position.x + 100 * Math.sin( this.phi ) * Math.cos( this.theta );
+ targetPosition.y = position.y + 100 * Math.cos( this.phi );
+ targetPosition.z = position.z + 100 * Math.sin( this.phi ) * Math.sin( this.theta );
+
+ this.object.lookAt( targetPosition );
+
+ };
+
+
+ this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
+
+ this.domElement.addEventListener( 'mousemove', bind( this, this.onMouseMove ), false );
+ this.domElement.addEventListener( 'mousedown', bind( this, this.onMouseDown ), false );
+ this.domElement.addEventListener( 'mouseup', bind( this, this.onMouseUp ), false );
+ this.domElement.addEventListener( 'keydown', bind( this, this.onKeyDown ), false );
+ this.domElement.addEventListener( 'keyup', bind( this, this.onKeyUp ), false );
+
+ function bind( scope, fn ) {
+
+ return function () {
+
+ fn.apply( scope, arguments );
+
+ };
+
+ };
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.PathControls = function ( object, domElement ) {
+
+ this.object = object;
+ this.domElement = ( domElement !== undefined ) ? domElement : document;
+
+ this.id = "PathControls" + THREE.PathControlsIdCounter ++;
+
+ // API
+
+ this.duration = 10 * 1000; // milliseconds
+ this.waypoints = [];
+
+ this.useConstantSpeed = true;
+ this.resamplingCoef = 50;
+
+ this.debugPath = new THREE.Object3D();
+ this.debugDummy = new THREE.Object3D();
+
+ this.animationParent = new THREE.Object3D();
+
+ this.lookSpeed = 0.005;
+ this.lookVertical = true;
+ this.lookHorizontal = true;
+ this.verticalAngleMap = { srcRange: [ 0, 2 * Math.PI ], dstRange: [ 0, 2 * Math.PI ] };
+ this.horizontalAngleMap = { srcRange: [ 0, 2 * Math.PI ], dstRange: [ 0, 2 * Math.PI ] };
+
+ // internals
+
+ this.target = new THREE.Object3D();
+
+ this.mouseX = 0;
+ this.mouseY = 0;
+
+ this.lat = 0;
+ this.lon = 0;
+
+ this.phi = 0;
+ this.theta = 0;
+
+ if ( this.domElement === document ) {
+
+ this.viewHalfX = window.innerWidth / 2;
+ this.viewHalfY = window.innerHeight / 2;
+
+ } else {
+
+ this.viewHalfX = this.domElement.offsetWidth / 2;
+ this.viewHalfY = this.domElement.offsetHeight / 2;
+ this.domElement.setAttribute( 'tabindex', -1 );
+
+ }
+
+ var PI2 = Math.PI * 2,
+ PI180 = Math.PI / 180;
+
+ // methods
+
+ this.update = function ( delta ) {
+
+ var srcRange, dstRange;
+
+ if( this.lookHorizontal ) this.lon += this.mouseX * this.lookSpeed * delta;
+ if( this.lookVertical ) this.lat -= this.mouseY * this.lookSpeed * delta;
+
+ this.lon = Math.max( 0, Math.min( 360, this.lon ) );
+ this.lat = Math.max( - 85, Math.min( 85, this.lat ) );
+
+ this.phi = ( 90 - this.lat ) * PI180;
+ this.theta = this.lon * PI180;
+
+ this.phi = normalize_angle_rad( this.phi );
+
+ // constrain vertical look angle
+
+ srcRange = this.verticalAngleMap.srcRange;
+ dstRange = this.verticalAngleMap.dstRange;
+
+ var tmpPhi = THREE.Math.mapLinear( this.phi, srcRange[ 0 ], srcRange[ 1 ], dstRange[ 0 ], dstRange[ 1 ] );
+ var tmpPhiFullRange = dstRange[ 1 ] - dstRange[ 0 ];
+ var tmpPhiNormalized = ( tmpPhi - dstRange[ 0 ] ) / tmpPhiFullRange;
+
+ this.phi = QuadraticEaseInOut( tmpPhiNormalized ) * tmpPhiFullRange + dstRange[ 0 ];
+
+ // constrain horizontal look angle
+
+ srcRange = this.horizontalAngleMap.srcRange;
+ dstRange = this.horizontalAngleMap.dstRange;
+
+ var tmpTheta = THREE.Math.mapLinear( this.theta, srcRange[ 0 ], srcRange[ 1 ], dstRange[ 0 ], dstRange[ 1 ] );
+ var tmpThetaFullRange = dstRange[ 1 ] - dstRange[ 0 ];
+ var tmpThetaNormalized = ( tmpTheta - dstRange[ 0 ] ) / tmpThetaFullRange;
+
+ this.theta = QuadraticEaseInOut( tmpThetaNormalized ) * tmpThetaFullRange + dstRange[ 0 ];
+
+ var targetPosition = this.target.position,
+ position = this.object.position;
+
+ targetPosition.x = 100 * Math.sin( this.phi ) * Math.cos( this.theta );
+ targetPosition.y = 100 * Math.cos( this.phi );
+ targetPosition.z = 100 * Math.sin( this.phi ) * Math.sin( this.theta );
+
+ this.object.lookAt( this.target.position );
+
+ };
+
+ this.onMouseMove = function ( event ) {
+
+ if ( this.domElement === document ) {
+
+ this.mouseX = event.pageX - this.viewHalfX;
+ this.mouseY = event.pageY - this.viewHalfY;
+
+ } else {
+
+ this.mouseX = event.pageX - this.domElement.offsetLeft - this.viewHalfX;
+ this.mouseY = event.pageY - this.domElement.offsetTop - this.viewHalfY;
+
+ }
+
+ };
+
+ // utils
+
+ function normalize_angle_rad( a ) {
+
+ var b = a % PI2;
+ return b >= 0 ? b : b + PI2;
+
+ };
+
+ function distance( a, b ) {
+
+ var dx = a[ 0 ] - b[ 0 ],
+ dy = a[ 1 ] - b[ 1 ],
+ dz = a[ 2 ] - b[ 2 ];
+
+ return Math.sqrt( dx * dx + dy * dy + dz * dz );
+
+ };
+
+ function QuadraticEaseInOut ( k ) {
+
+ if ( ( k *= 2 ) < 1 ) return 0.5 * k * k;
+ return - 0.5 * ( --k * ( k - 2 ) - 1 );
+
+ };
+
+ function bind( scope, fn ) {
+
+ return function () {
+
+ fn.apply( scope, arguments );
+
+ };
+
+ };
+
+ function initAnimationPath( parent, spline, name, duration ) {
+
+ var animationData = {
+
+ name: name,
+ fps: 0.6,
+ length: duration,
+
+ hierarchy: []
+
+ };
+
+ var i,
+ parentAnimation, childAnimation,
+ path = spline.getControlPointsArray(),
+ sl = spline.getLength(),
+ pl = path.length,
+ t = 0,
+ first = 0,
+ last = pl - 1;
+
+ parentAnimation = { parent: -1, keys: [] };
+ parentAnimation.keys[ first ] = { time: 0, pos: path[ first ], rot: [ 0, 0, 0, 1 ], scl: [ 1, 1, 1 ] };
+ parentAnimation.keys[ last ] = { time: duration, pos: path[ last ], rot: [ 0, 0, 0, 1 ], scl: [ 1, 1, 1 ] };
+
+ for ( i = 1; i < pl - 1; i++ ) {
+
+ // real distance (approximation via linear segments)
+
+ t = duration * sl.chunks[ i ] / sl.total;
+
+ // equal distance
+
+ //t = duration * ( i / pl );
+
+ // linear distance
+
+ //t += duration * distance( path[ i ], path[ i - 1 ] ) / sl.total;
+
+ parentAnimation.keys[ i ] = { time: t, pos: path[ i ] };
+
+ }
+
+ animationData.hierarchy[ 0 ] = parentAnimation;
+
+ THREE.AnimationHandler.add( animationData );
+
+ return new THREE.Animation( parent, name, THREE.AnimationHandler.CATMULLROM_FORWARD, false );
+
+ };
+
+
+ function createSplineGeometry( spline, n_sub ) {
+
+ var i, index, position,
+ geometry = new THREE.Geometry();
+
+ for ( i = 0; i < spline.points.length * n_sub; i ++ ) {
+
+ index = i / ( spline.points.length * n_sub );
+ position = spline.getPoint( index );
+
+ geometry.vertices[ i ] = new THREE.Vector3( position.x, position.y, position.z );
+
+ }
+
+ return geometry;
+
+ };
+
+ function createPath( parent, spline ) {
+
+ var lineGeo = createSplineGeometry( spline, 10 ),
+ particleGeo = createSplineGeometry( spline, 10 ),
+ lineMat = new THREE.LineBasicMaterial( { color: 0xff0000, linewidth: 3 } ),
+ lineObj = new THREE.Line( lineGeo, lineMat ),
+ particleObj = new THREE.ParticleSystem( particleGeo, new THREE.ParticleBasicMaterial( { color: 0xffaa00, size: 3 } ) );
+
+ lineObj.scale.set( 1, 1, 1 );
+ parent.add( lineObj );
+
+ particleObj.scale.set( 1, 1, 1 );
+ parent.add( particleObj );
+
+ var waypoint,
+ geo = new THREE.SphereGeometry( 1, 16, 8 ),
+ mat = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
+
+ for ( var i = 0; i < spline.points.length; i ++ ) {
+
+ waypoint = new THREE.Mesh( geo, mat );
+ waypoint.position.copy( spline.points[ i ] );
+ parent.add( waypoint );
+
+ }
+
+ };
+
+ this.init = function ( ) {
+
+ // constructor
+
+ this.spline = new THREE.Spline();
+ this.spline.initFromArray( this.waypoints );
+
+ if ( this.useConstantSpeed ) {
+
+ this.spline.reparametrizeByArcLength( this.resamplingCoef );
+
+ }
+
+ if ( this.createDebugDummy ) {
+
+ var dummyParentMaterial = new THREE.MeshLambertMaterial( { color: 0x0077ff } ),
+ dummyChildMaterial = new THREE.MeshLambertMaterial( { color: 0x00ff00 } ),
+ dummyParentGeo = new THREE.CubeGeometry( 10, 10, 20 ),
+ dummyChildGeo = new THREE.CubeGeometry( 2, 2, 10 );
+
+ this.animationParent = new THREE.Mesh( dummyParentGeo, dummyParentMaterial );
+
+ var dummyChild = new THREE.Mesh( dummyChildGeo, dummyChildMaterial );
+ dummyChild.position.set( 0, 10, 0 );
+
+ this.animation = initAnimationPath( this.animationParent, this.spline, this.id, this.duration );
+
+ this.animationParent.add( this.object );
+ this.animationParent.add( this.target );
+ this.animationParent.add( dummyChild );
+
+ } else {
+
+ this.animation = initAnimationPath( this.animationParent, this.spline, this.id, this.duration );
+ this.animationParent.add( this.target );
+ this.animationParent.add( this.object );
+
+ }
+
+ if ( this.createDebugPath ) {
+
+ createPath( this.debugPath, this.spline );
+
+ }
+
+ this.domElement.addEventListener( 'mousemove', bind( this, this.onMouseMove ), false );
+
+ };
+
+};
+
+THREE.PathControlsIdCounter = 0;
+/**
+ * @author James Baicoianu / http://www.baicoianu.com/
+ */
+
+THREE.FlyControls = function ( object, domElement ) {
+
+ this.object = object;
+
+ this.domElement = ( domElement !== undefined ) ? domElement : document;
+ if ( domElement ) this.domElement.setAttribute( 'tabindex', -1 );
+
+ // API
+
+ this.movementSpeed = 1.0;
+ this.rollSpeed = 0.005;
+
+ this.dragToLook = false;
+ this.autoForward = false;
+
+ // disable default target object behavior
+
+ this.object.useQuaternion = true;
+
+ // internals
+
+ this.tmpQuaternion = new THREE.Quaternion();
+
+ this.mouseStatus = 0;
+
+ this.moveState = { up: 0, down: 0, left: 0, right: 0, forward: 0, back: 0, pitchUp: 0, pitchDown: 0, yawLeft: 0, yawRight: 0, rollLeft: 0, rollRight: 0 };
+ this.moveVector = new THREE.Vector3( 0, 0, 0 );
+ this.rotationVector = new THREE.Vector3( 0, 0, 0 );
+
+ this.handleEvent = function ( event ) {
+
+ if ( typeof this[ event.type ] == 'function' ) {
+
+ this[ event.type ]( event );
+
+ }
+
+ };
+
+ this.keydown = function( event ) {
+
+ if ( event.altKey ) {
+
+ return;
+
+ }
+
+ switch( event.keyCode ) {
+
+ case 16: /* shift */ this.movementSpeedMultiplier = .1; break;
+
+ case 87: /*W*/ this.moveState.forward = 1; break;
+ case 83: /*S*/ this.moveState.back = 1; break;
+
+ case 65: /*A*/ this.moveState.left = 1; break;
+ case 68: /*D*/ this.moveState.right = 1; break;
+
+ case 82: /*R*/ this.moveState.up = 1; break;
+ case 70: /*F*/ this.moveState.down = 1; break;
+
+ case 38: /*up*/ this.moveState.pitchUp = 1; break;
+ case 40: /*down*/ this.moveState.pitchDown = 1; break;
+
+ case 37: /*left*/ this.moveState.yawLeft = 1; break;
+ case 39: /*right*/ this.moveState.yawRight = 1; break;
+
+ case 81: /*Q*/ this.moveState.rollLeft = 1; break;
+ case 69: /*E*/ this.moveState.rollRight = 1; break;
+
+ }
+
+ this.updateMovementVector();
+ this.updateRotationVector();
+
+ };
+
+ this.keyup = function( event ) {
+
+ switch( event.keyCode ) {
+
+ case 16: /* shift */ this.movementSpeedMultiplier = 1; break;
+
+ case 87: /*W*/ this.moveState.forward = 0; break;
+ case 83: /*S*/ this.moveState.back = 0; break;
+
+ case 65: /*A*/ this.moveState.left = 0; break;
+ case 68: /*D*/ this.moveState.right = 0; break;
+
+ case 82: /*R*/ this.moveState.up = 0; break;
+ case 70: /*F*/ this.moveState.down = 0; break;
+
+ case 38: /*up*/ this.moveState.pitchUp = 0; break;
+ case 40: /*down*/ this.moveState.pitchDown = 0; break;
+
+ case 37: /*left*/ this.moveState.yawLeft = 0; break;
+ case 39: /*right*/ this.moveState.yawRight = 0; break;
+
+ case 81: /*Q*/ this.moveState.rollLeft = 0; break;
+ case 69: /*E*/ this.moveState.rollRight = 0; break;
+
+ }
+
+ this.updateMovementVector();
+ this.updateRotationVector();
+
+ };
+
+ this.mousedown = function( event ) {
+
+ if ( this.domElement !== document ) {
+
+ this.domElement.focus();
+
+ }
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ if ( this.dragToLook ) {
+
+ this.mouseStatus ++;
+
+ } else {
+
+ switch ( event.button ) {
+
+ case 0: this.object.moveForward = true; break;
+ case 2: this.object.moveBackward = true; break;
+
+ }
+
+ }
+
+ };
+
+ this.mousemove = function( event ) {
+
+ if ( !this.dragToLook || this.mouseStatus > 0 ) {
+
+ var container = this.getContainerDimensions();
+ var halfWidth = container.size[ 0 ] / 2;
+ var halfHeight = container.size[ 1 ] / 2;
+
+ this.moveState.yawLeft = - ( ( event.pageX - container.offset[ 0 ] ) - halfWidth ) / halfWidth;
+ this.moveState.pitchDown = ( ( event.pageY - container.offset[ 1 ] ) - halfHeight ) / halfHeight;
+
+ this.updateRotationVector();
+
+ }
+
+ };
+
+ this.mouseup = function( event ) {
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ if ( this.dragToLook ) {
+
+ this.mouseStatus --;
+
+ this.moveState.yawLeft = this.moveState.pitchDown = 0;
+
+ } else {
+
+ switch ( event.button ) {
+
+ case 0: this.moveForward = false; break;
+ case 2: this.moveBackward = false; break;
+
+ }
+
+ }
+
+ this.updateRotationVector();
+
+ };
+
+ this.update = function( delta ) {
+
+ var moveMult = delta * this.movementSpeed;
+ var rotMult = delta * this.rollSpeed;
+
+ this.object.translateX( this.moveVector.x * moveMult );
+ this.object.translateY( this.moveVector.y * moveMult );
+ this.object.translateZ( this.moveVector.z * moveMult );
+
+ this.tmpQuaternion.set( this.rotationVector.x * rotMult, this.rotationVector.y * rotMult, this.rotationVector.z * rotMult, 1 ).normalize();
+ this.object.quaternion.multiplySelf( this.tmpQuaternion );
+
+ this.object.matrix.setPosition( this.object.position );
+ this.object.matrix.setRotationFromQuaternion( this.object.quaternion );
+ this.object.matrixWorldNeedsUpdate = true;
+
+
+ };
+
+ this.updateMovementVector = function() {
+
+ var forward = ( this.moveState.forward || ( this.autoForward && !this.moveState.back ) ) ? 1 : 0;
+
+ this.moveVector.x = ( -this.moveState.left + this.moveState.right );
+ this.moveVector.y = ( -this.moveState.down + this.moveState.up );
+ this.moveVector.z = ( -forward + this.moveState.back );
+
+ //console.log( 'move:', [ this.moveVector.x, this.moveVector.y, this.moveVector.z ] );
+
+ };
+
+ this.updateRotationVector = function() {
+
+ this.rotationVector.x = ( -this.moveState.pitchDown + this.moveState.pitchUp );
+ this.rotationVector.y = ( -this.moveState.yawRight + this.moveState.yawLeft );
+ this.rotationVector.z = ( -this.moveState.rollRight + this.moveState.rollLeft );
+
+ //console.log( 'rotate:', [ this.rotationVector.x, this.rotationVector.y, this.rotationVector.z ] );
+
+ };
+
+ this.getContainerDimensions = function() {
+
+ if ( this.domElement != document ) {
+
+ return {
+ size : [ this.domElement.offsetWidth, this.domElement.offsetHeight ],
+ offset : [ this.domElement.offsetLeft, this.domElement.offsetTop ]
+ };
+
+ } else {
+
+ return {
+ size : [ window.innerWidth, window.innerHeight ],
+ offset : [ 0, 0 ]
+ };
+
+ }
+
+ };
+
+ function bind( scope, fn ) {
+
+ return function () {
+
+ fn.apply( scope, arguments );
+
+ };
+
+ };
+
+ this.domElement.addEventListener( 'mousemove', bind( this, this.mousemove ), false );
+ this.domElement.addEventListener( 'mousedown', bind( this, this.mousedown ), false );
+ this.domElement.addEventListener( 'mouseup', bind( this, this.mouseup ), false );
+
+ this.domElement.addEventListener( 'keydown', bind( this, this.keydown ), false );
+ this.domElement.addEventListener( 'keyup', bind( this, this.keyup ), false );
+
+ this.updateMovementVector();
+ this.updateRotationVector();
+
+};
+/**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+THREE.RollControls = function ( object, domElement ) {
+
+ this.object = object;
+ this.domElement = ( domElement !== undefined ) ? domElement : document;
+
+ // API
+
+ this.mouseLook = true;
+ this.autoForward = false;
+
+ this.lookSpeed = 1;
+ this.movementSpeed = 1;
+ this.rollSpeed = 1;
+
+ this.constrainVertical = [ -0.9, 0.9 ];
+
+ // disable default target object behavior
+
+ this.object.matrixAutoUpdate = false;
+
+ // internals
+
+ this.forward = new THREE.Vector3( 0, 0, 1 );
+ this.roll = 0;
+
+ var xTemp = new THREE.Vector3();
+ var yTemp = new THREE.Vector3();
+ var zTemp = new THREE.Vector3();
+ var rollMatrix = new THREE.Matrix4();
+
+ var doRoll = false, rollDirection = 1, forwardSpeed = 0, sideSpeed = 0, upSpeed = 0;
+
+ var mouseX = 0, mouseY = 0;
+
+ var windowHalfX = window.innerWidth / 2;
+ var windowHalfY = window.innerHeight / 2;
+
+ // custom update
+
+ this.update = function ( delta ) {
+
+ if ( this.mouseLook ) {
+
+ var actualLookSpeed = delta * this.lookSpeed;
+
+ this.rotateHorizontally( actualLookSpeed * mouseX );
+ this.rotateVertically( actualLookSpeed * mouseY );
+
+ }
+
+ var actualSpeed = delta * this.movementSpeed;
+ var forwardOrAuto = ( forwardSpeed > 0 || ( this.autoForward && ! ( forwardSpeed < 0 ) ) ) ? 1 : forwardSpeed;
+
+ this.object.translateZ( -actualSpeed * forwardOrAuto );
+ this.object.translateX( actualSpeed * sideSpeed );
+ this.object.translateY( actualSpeed * upSpeed );
+
+ if( doRoll ) {
+
+ this.roll += this.rollSpeed * delta * rollDirection;
+
+ }
+
+ // cap forward up / down
+
+ if( this.forward.y > this.constrainVertical[ 1 ] ) {
+
+ this.forward.y = this.constrainVertical[ 1 ];
+ this.forward.normalize();
+
+ } else if( this.forward.y < this.constrainVertical[ 0 ] ) {
+
+ this.forward.y = this.constrainVertical[ 0 ];
+ this.forward.normalize();
+
+ }
+
+
+ // construct unrolled camera matrix
+
+ zTemp.copy( this.forward );
+ yTemp.set( 0, 1, 0 );
+
+ xTemp.cross( yTemp, zTemp ).normalize();
+ yTemp.cross( zTemp, xTemp ).normalize();
+
+ this.object.matrix.elements[0] = xTemp.x; this.object.matrix.elements[4] = yTemp.x; this.object.matrix.elements[8] = zTemp.x;
+ this.object.matrix.elements[1] = xTemp.y; this.object.matrix.elements[5] = yTemp.y; this.object.matrix.elements[9] = zTemp.y;
+ this.object.matrix.elements[2] = xTemp.z; this.object.matrix.elements[6] = yTemp.z; this.object.matrix.elements[10] = zTemp.z;
+
+ // calculate roll matrix
+
+ rollMatrix.identity();
+ rollMatrix.elements[0] = Math.cos( this.roll ); rollMatrix.elements[4] = -Math.sin( this.roll );
+ rollMatrix.elements[1] = Math.sin( this.roll ); rollMatrix.elements[5] = Math.cos( this.roll );
+
+ // multiply camera with roll
+
+ this.object.matrix.multiplySelf( rollMatrix );
+ this.object.matrixWorldNeedsUpdate = true;
+
+ // set position
+
+ this.object.matrix.elements[12] = this.object.position.x;
+ this.object.matrix.elements[13] = this.object.position.y;
+ this.object.matrix.elements[14] = this.object.position.z;
+
+
+ };
+
+ this.translateX = function ( distance ) {
+
+ this.object.position.x += this.object.matrix.elements[0] * distance;
+ this.object.position.y += this.object.matrix.elements[1] * distance;
+ this.object.position.z += this.object.matrix.elements[2] * distance;
+
+ };
+
+ this.translateY = function ( distance ) {
+
+ this.object.position.x += this.object.matrix.elements[4] * distance;
+ this.object.position.y += this.object.matrix.elements[5] * distance;
+ this.object.position.z += this.object.matrix.elements[6] * distance;
+
+ };
+
+ this.translateZ = function ( distance ) {
+
+ this.object.position.x -= this.object.matrix.elements[8] * distance;
+ this.object.position.y -= this.object.matrix.elements[9] * distance;
+ this.object.position.z -= this.object.matrix.elements[10] * distance;
+
+ };
+
+
+ this.rotateHorizontally = function ( amount ) {
+
+ // please note that the amount is NOT degrees, but a scale value
+
+ xTemp.set( this.object.matrix.elements[0], this.object.matrix.elements[1], this.object.matrix.elements[2] );
+ xTemp.multiplyScalar( amount );
+
+ this.forward.subSelf( xTemp );
+ this.forward.normalize();
+
+ };
+
+ this.rotateVertically = function ( amount ) {
+
+ // please note that the amount is NOT degrees, but a scale value
+
+ yTemp.set( this.object.matrix.elements[4], this.object.matrix.elements[5], this.object.matrix.elements[6] );
+ yTemp.multiplyScalar( amount );
+
+ this.forward.addSelf( yTemp );
+ this.forward.normalize();
+
+ };
+
+ function onKeyDown( event ) {
+
+ switch( event.keyCode ) {
+
+ case 38: /*up*/
+ case 87: /*W*/ forwardSpeed = 1; break;
+
+ case 37: /*left*/
+ case 65: /*A*/ sideSpeed = -1; break;
+
+ case 40: /*down*/
+ case 83: /*S*/ forwardSpeed = -1; break;
+
+ case 39: /*right*/
+ case 68: /*D*/ sideSpeed = 1; break;
+
+ case 81: /*Q*/ doRoll = true; rollDirection = 1; break;
+ case 69: /*E*/ doRoll = true; rollDirection = -1; break;
+
+ case 82: /*R*/ upSpeed = 1; break;
+ case 70: /*F*/ upSpeed = -1; break;
+
+ }
+
+ };
+
+ function onKeyUp( event ) {
+
+ switch( event.keyCode ) {
+
+ case 38: /*up*/
+ case 87: /*W*/ forwardSpeed = 0; break;
+
+ case 37: /*left*/
+ case 65: /*A*/ sideSpeed = 0; break;
+
+ case 40: /*down*/
+ case 83: /*S*/ forwardSpeed = 0; break;
+
+ case 39: /*right*/
+ case 68: /*D*/ sideSpeed = 0; break;
+
+ case 81: /*Q*/ doRoll = false; break;
+ case 69: /*E*/ doRoll = false; break;
+
+ case 82: /*R*/ upSpeed = 0; break;
+ case 70: /*F*/ upSpeed = 0; break;
+
+ }
+
+ };
+
+ function onMouseMove( event ) {
+
+ mouseX = ( event.clientX - windowHalfX ) / window.innerWidth;
+ mouseY = ( event.clientY - windowHalfY ) / window.innerHeight;
+
+ };
+
+ function onMouseDown ( event ) {
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ switch ( event.button ) {
+
+ case 0: forwardSpeed = 1; break;
+ case 2: forwardSpeed = -1; break;
+
+ }
+
+ };
+
+ function onMouseUp ( event ) {
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ switch ( event.button ) {
+
+ case 0: forwardSpeed = 0; break;
+ case 2: forwardSpeed = 0; break;
+
+ }
+
+ };
+
+ this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
+
+ this.domElement.addEventListener( 'mousemove', onMouseMove, false );
+ this.domElement.addEventListener( 'mousedown', onMouseDown, false );
+ this.domElement.addEventListener( 'mouseup', onMouseUp, false );
+ this.domElement.addEventListener( 'keydown', onKeyDown, false );
+ this.domElement.addEventListener( 'keyup', onKeyUp, false );
+
+};
+/**
+ * @author Eberhard Graether / http://egraether.com/
+ */
+
+THREE.TrackballControls = function ( object, domElement ) {
+
+ THREE.EventTarget.call( this );
+
+ var _this = this,
+ STATE = { NONE : -1, ROTATE : 0, ZOOM : 1, PAN : 2 };
+
+ this.object = object;
+ this.domElement = ( domElement !== undefined ) ? domElement : document;
+
+ // API
+
+ this.enabled = true;
+
+ this.screen = { width: window.innerWidth, height: window.innerHeight, offsetLeft: 0, offsetTop: 0 };
+ this.radius = ( this.screen.width + this.screen.height ) / 4;
+
+ this.rotateSpeed = 1.0;
+ this.zoomSpeed = 1.2;
+ this.panSpeed = 0.3;
+
+ this.noRotate = false;
+ this.noZoom = false;
+ this.noPan = false;
+
+ this.staticMoving = false;
+ this.dynamicDampingFactor = 0.2;
+
+ this.minDistance = 0;
+ this.maxDistance = Infinity;
+
+ this.keys = [ 65 /*A*/, 83 /*S*/, 68 /*D*/ ];
+
+ // internals
+
+ this.target = new THREE.Vector3();
+
+ var lastPosition = new THREE.Vector3();
+
+ var _keyPressed = false,
+ _state = STATE.NONE,
+
+ _eye = new THREE.Vector3(),
+
+ _rotateStart = new THREE.Vector3(),
+ _rotateEnd = new THREE.Vector3(),
+
+ _zoomStart = new THREE.Vector2(),
+ _zoomEnd = new THREE.Vector2(),
+
+ _panStart = new THREE.Vector2(),
+ _panEnd = new THREE.Vector2();
+
+ // events
+
+ var changeEvent = { type: 'change' };
+
+
+ // methods
+
+ this.handleEvent = function ( event ) {
+
+ if ( typeof this[ event.type ] == 'function' ) {
+
+ this[ event.type ]( event );
+
+ }
+
+ };
+
+ this.getMouseOnScreen = function ( clientX, clientY ) {
+
+ return new THREE.Vector2(
+ ( clientX - _this.screen.offsetLeft ) / _this.radius * 0.5,
+ ( clientY - _this.screen.offsetTop ) / _this.radius * 0.5
+ );
+
+ };
+
+ this.getMouseProjectionOnBall = function ( clientX, clientY ) {
+
+ var mouseOnBall = new THREE.Vector3(
+ ( clientX - _this.screen.width * 0.5 - _this.screen.offsetLeft ) / _this.radius,
+ ( _this.screen.height * 0.5 + _this.screen.offsetTop - clientY ) / _this.radius,
+ 0.0
+ );
+
+ var length = mouseOnBall.length();
+
+ if ( length > 1.0 ) {
+
+ mouseOnBall.normalize();
+
+ } else {
+
+ mouseOnBall.z = Math.sqrt( 1.0 - length * length );
+
+ }
+
+ _eye.copy( _this.object.position ).subSelf( _this.target );
+
+ var projection = _this.object.up.clone().setLength( mouseOnBall.y );
+ projection.addSelf( _this.object.up.clone().crossSelf( _eye ).setLength( mouseOnBall.x ) );
+ projection.addSelf( _eye.setLength( mouseOnBall.z ) );
+
+ return projection;
+
+ };
+
+ this.rotateCamera = function () {
+
+ var angle = Math.acos( _rotateStart.dot( _rotateEnd ) / _rotateStart.length() / _rotateEnd.length() );
+
+ if ( angle ) {
+
+ var axis = ( new THREE.Vector3() ).cross( _rotateStart, _rotateEnd ).normalize(),
+ quaternion = new THREE.Quaternion();
+
+ angle *= _this.rotateSpeed;
+
+ quaternion.setFromAxisAngle( axis, -angle );
+
+ quaternion.multiplyVector3( _eye );
+ quaternion.multiplyVector3( _this.object.up );
+
+ quaternion.multiplyVector3( _rotateEnd );
+
+ if ( _this.staticMoving ) {
+
+ _rotateStart = _rotateEnd;
+
+ } else {
+
+ quaternion.setFromAxisAngle( axis, angle * ( _this.dynamicDampingFactor - 1.0 ) );
+ quaternion.multiplyVector3( _rotateStart );
+
+ }
+
+ }
+
+ };
+
+ this.zoomCamera = function () {
+
+ var factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * _this.zoomSpeed;
+
+ if ( factor !== 1.0 && factor > 0.0 ) {
+
+ _eye.multiplyScalar( factor );
+
+ if ( _this.staticMoving ) {
+
+ _zoomStart = _zoomEnd;
+
+ } else {
+
+ _zoomStart.y += ( _zoomEnd.y - _zoomStart.y ) * this.dynamicDampingFactor;
+
+ }
+
+ }
+
+ };
+
+ this.panCamera = function () {
+
+ var mouseChange = _panEnd.clone().subSelf( _panStart );
+
+ if ( mouseChange.lengthSq() ) {
+
+ mouseChange.multiplyScalar( _eye.length() * _this.panSpeed );
+
+ var pan = _eye.clone().crossSelf( _this.object.up ).setLength( mouseChange.x );
+ pan.addSelf( _this.object.up.clone().setLength( mouseChange.y ) );
+
+ _this.object.position.addSelf( pan );
+ _this.target.addSelf( pan );
+
+ if ( _this.staticMoving ) {
+
+ _panStart = _panEnd;
+
+ } else {
+
+ _panStart.addSelf( mouseChange.sub( _panEnd, _panStart ).multiplyScalar( _this.dynamicDampingFactor ) );
+
+ }
+
+ }
+
+ };
+
+ this.checkDistances = function () {
+
+ if ( !_this.noZoom || !_this.noPan ) {
+
+ if ( _this.object.position.lengthSq() > _this.maxDistance * _this.maxDistance ) {
+
+ _this.object.position.setLength( _this.maxDistance );
+
+ }
+
+ if ( _eye.lengthSq() < _this.minDistance * _this.minDistance ) {
+
+ _this.object.position.add( _this.target, _eye.setLength( _this.minDistance ) );
+
+ }
+
+ }
+
+ };
+
+ this.update = function () {
+
+ _eye.copy( _this.object.position ).subSelf( _this.target );
+
+ if ( !_this.noRotate ) {
+
+ _this.rotateCamera();
+
+ }
+
+ if ( !_this.noZoom ) {
+
+ _this.zoomCamera();
+
+ }
+
+ if ( !_this.noPan ) {
+
+ _this.panCamera();
+
+ }
+
+ _this.object.position.add( _this.target, _eye );
+
+ _this.checkDistances();
+
+ _this.object.lookAt( _this.target );
+
+ if ( lastPosition.distanceTo( _this.object.position ) > 0 ) {
+
+ _this.dispatchEvent( changeEvent );
+
+ lastPosition.copy( _this.object.position );
+
+ }
+
+ };
+
+ // listeners
+
+ function keydown( event ) {
+
+ if ( ! _this.enabled ) return;
+
+ if ( _state !== STATE.NONE ) {
+
+ return;
+
+ } else if ( event.keyCode === _this.keys[ STATE.ROTATE ] && !_this.noRotate ) {
+
+ _state = STATE.ROTATE;
+
+ } else if ( event.keyCode === _this.keys[ STATE.ZOOM ] && !_this.noZoom ) {
+
+ _state = STATE.ZOOM;
+
+ } else if ( event.keyCode === _this.keys[ STATE.PAN ] && !_this.noPan ) {
+
+ _state = STATE.PAN;
+
+ }
+
+ if ( _state !== STATE.NONE ) {
+
+ _keyPressed = true;
+
+ }
+
+ };
+
+ function keyup( event ) {
+
+ if ( ! _this.enabled ) return;
+
+ if ( _state !== STATE.NONE ) {
+
+ _state = STATE.NONE;
+
+ }
+
+ };
+
+ function mousedown( event ) {
+
+ if ( ! _this.enabled ) return;
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ if ( _state === STATE.NONE ) {
+
+ _state = event.button;
+
+ if ( _state === STATE.ROTATE && !_this.noRotate ) {
+
+ _rotateStart = _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
+
+ } else if ( _state === STATE.ZOOM && !_this.noZoom ) {
+
+ _zoomStart = _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+ } else if ( !this.noPan ) {
+
+ _panStart = _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+ }
+
+ }
+
+ };
+
+ function mousemove( event ) {
+
+ if ( ! _this.enabled ) return;
+
+ if ( _keyPressed ) {
+
+ _rotateStart = _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
+ _zoomStart = _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+ _panStart = _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+ _keyPressed = false;
+
+ }
+
+ if ( _state === STATE.NONE ) {
+
+ return;
+
+ } else if ( _state === STATE.ROTATE && !_this.noRotate ) {
+
+ _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
+
+ } else if ( _state === STATE.ZOOM && !_this.noZoom ) {
+
+ _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+ } else if ( _state === STATE.PAN && !_this.noPan ) {
+
+ _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+ }
+
+ };
+
+ function mouseup( event ) {
+
+ if ( ! _this.enabled ) return;
+
+ event.preventDefault();
+ event.stopPropagation();
+
+ _state = STATE.NONE;
+
+ };
+
+ this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
+
+ this.domElement.addEventListener( 'mousemove', mousemove, false );
+ this.domElement.addEventListener( 'mousedown', mousedown, false );
+ this.domElement.addEventListener( 'mouseup', mouseup, false );
+
+ window.addEventListener( 'keydown', keydown, false );
+ window.addEventListener( 'keyup', keyup, false );
+
+};
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Cube.as
+ */
+
+THREE.CubeGeometry = function ( width, height, depth, segmentsWidth, segmentsHeight, segmentsDepth, materials, sides ) {
+
+ THREE.Geometry.call( this );
+
+ var scope = this,
+ width_half = width / 2,
+ height_half = height / 2,
+ depth_half = depth / 2;
+
+ var mpx, mpy, mpz, mnx, mny, mnz;
+
+ if ( materials !== undefined ) {
+
+ if ( materials instanceof Array ) {
+
+ this.materials = materials;
+
+ } else {
+
+ this.materials = [];
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ this.materials.push( materials );
+
+ }
+
+ }
+
+ mpx = 0; mnx = 1; mpy = 2; mny = 3; mpz = 4; mnz = 5;
+
+ } else {
+
+ this.materials = [];
+
+ }
+
+ this.sides = { px: true, nx: true, py: true, ny: true, pz: true, nz: true };
+
+ if ( sides != undefined ) {
+
+ for ( var s in sides ) {
+
+ if ( this.sides[ s ] !== undefined ) {
+
+ this.sides[ s ] = sides[ s ];
+
+ }
+
+ }
+
+ }
+
+ this.sides.px && buildPlane( 'z', 'y', - 1, - 1, depth, height, width_half, mpx ); // px
+ this.sides.nx && buildPlane( 'z', 'y', 1, - 1, depth, height, - width_half, mnx ); // nx
+ this.sides.py && buildPlane( 'x', 'z', 1, 1, width, depth, height_half, mpy ); // py
+ this.sides.ny && buildPlane( 'x', 'z', 1, - 1, width, depth, - height_half, mny ); // ny
+ this.sides.pz && buildPlane( 'x', 'y', 1, - 1, width, height, depth_half, mpz ); // pz
+ this.sides.nz && buildPlane( 'x', 'y', - 1, - 1, width, height, - depth_half, mnz ); // nz
+
+ function buildPlane( u, v, udir, vdir, width, height, depth, material ) {
+
+ var w, ix, iy,
+ gridX = segmentsWidth || 1,
+ gridY = segmentsHeight || 1,
+ width_half = width / 2,
+ height_half = height / 2,
+ offset = scope.vertices.length;
+
+ if ( ( u === 'x' && v === 'y' ) || ( u === 'y' && v === 'x' ) ) {
+
+ w = 'z';
+
+ } else if ( ( u === 'x' && v === 'z' ) || ( u === 'z' && v === 'x' ) ) {
+
+ w = 'y';
+ gridY = segmentsDepth || 1;
+
+ } else if ( ( u === 'z' && v === 'y' ) || ( u === 'y' && v === 'z' ) ) {
+
+ w = 'x';
+ gridX = segmentsDepth || 1;
+
+ }
+
+ var gridX1 = gridX + 1,
+ gridY1 = gridY + 1,
+ segment_width = width / gridX,
+ segment_height = height / gridY,
+ normal = new THREE.Vector3();
+
+ normal[ w ] = depth > 0 ? 1 : - 1;
+
+ for ( iy = 0; iy < gridY1; iy ++ ) {
+
+ for ( ix = 0; ix < gridX1; ix ++ ) {
+
+ var vector = new THREE.Vector3();
+ vector[ u ] = ( ix * segment_width - width_half ) * udir;
+ vector[ v ] = ( iy * segment_height - height_half ) * vdir;
+ vector[ w ] = depth;
+
+ scope.vertices.push( vector );
+
+ }
+
+ }
+
+ for ( iy = 0; iy < gridY; iy++ ) {
+
+ for ( ix = 0; ix < gridX; ix++ ) {
+
+ var a = ix + gridX1 * iy;
+ var b = ix + gridX1 * ( iy + 1 );
+ var c = ( ix + 1 ) + gridX1 * ( iy + 1 );
+ var d = ( ix + 1 ) + gridX1 * iy;
+
+ var face = new THREE.Face4( a + offset, b + offset, c + offset, d + offset );
+ face.normal.copy( normal );
+ face.vertexNormals.push( normal.clone(), normal.clone(), normal.clone(), normal.clone() );
+ face.materialIndex = material;
+
+ scope.faces.push( face );
+ scope.faceVertexUvs[ 0 ].push( [
+ new THREE.UV( ix / gridX, iy / gridY ),
+ new THREE.UV( ix / gridX, ( iy + 1 ) / gridY ),
+ new THREE.UV( ( ix + 1 ) / gridX, ( iy + 1 ) / gridY ),
+ new THREE.UV( ( ix + 1 ) / gridX, iy / gridY )
+ ] );
+
+ }
+
+ }
+
+ }
+
+ this.computeCentroids();
+ this.mergeVertices();
+
+};
+
+THREE.CubeGeometry.prototype = new THREE.Geometry();
+THREE.CubeGeometry.prototype.constructor = THREE.CubeGeometry;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.CylinderGeometry = function ( radiusTop, radiusBottom, height, segmentsRadius, segmentsHeight, openEnded ) {
+
+ THREE.Geometry.call( this );
+
+ radiusTop = radiusTop !== undefined ? radiusTop : 20;
+ radiusBottom = radiusBottom !== undefined ? radiusBottom : 20;
+ height = height !== undefined ? height : 100;
+
+ var heightHalf = height / 2;
+ var segmentsX = segmentsRadius || 8;
+ var segmentsY = segmentsHeight || 1;
+
+ var x, y, vertices = [], uvs = [];
+
+ for ( y = 0; y <= segmentsY; y ++ ) {
+
+ var verticesRow = [];
+ var uvsRow = [];
+
+ var v = y / segmentsY;
+ var radius = v * ( radiusBottom - radiusTop ) + radiusTop;
+
+ for ( x = 0; x <= segmentsX; x ++ ) {
+
+ var u = x / segmentsX;
+
+ var vertex = new THREE.Vector3();
+ vertex.x = radius * Math.sin( u * Math.PI * 2 );
+ vertex.y = - v * height + heightHalf;
+ vertex.z = radius * Math.cos( u * Math.PI * 2 );
+
+ this.vertices.push( vertex );
+
+ verticesRow.push( this.vertices.length - 1 );
+ uvsRow.push( new THREE.UV( u, v ) );
+
+ }
+
+ vertices.push( verticesRow );
+ uvs.push( uvsRow );
+
+ }
+
+ var tanTheta = ( radiusBottom - radiusTop ) / height;
+ var na, nb;
+
+ for ( x = 0; x < segmentsX; x ++ ) {
+
+ if ( radiusTop !== 0 ) {
+
+ na = this.vertices[ vertices[ 0 ][ x ] ].clone();
+ nb = this.vertices[ vertices[ 0 ][ x + 1 ] ].clone();
+
+ } else {
+
+ na = this.vertices[ vertices[ 1 ][ x ] ].clone();
+ nb = this.vertices[ vertices[ 1 ][ x + 1 ] ].clone();
+
+ }
+
+ na.setY( Math.sqrt( na.x * na.x + na.z * na.z ) * tanTheta ).normalize();
+ nb.setY( Math.sqrt( nb.x * nb.x + nb.z * nb.z ) * tanTheta ).normalize();
+
+ for ( y = 0; y < segmentsY; y ++ ) {
+
+ var v1 = vertices[ y ][ x ];
+ var v2 = vertices[ y + 1 ][ x ];
+ var v3 = vertices[ y + 1 ][ x + 1 ];
+ var v4 = vertices[ y ][ x + 1 ];
+
+ var n1 = na.clone();
+ var n2 = na.clone();
+ var n3 = nb.clone();
+ var n4 = nb.clone();
+
+ var uv1 = uvs[ y ][ x ].clone();
+ var uv2 = uvs[ y + 1 ][ x ].clone();
+ var uv3 = uvs[ y + 1 ][ x + 1 ].clone();
+ var uv4 = uvs[ y ][ x + 1 ].clone();
+
+ this.faces.push( new THREE.Face4( v1, v2, v3, v4, [ n1, n2, n3, n4 ] ) );
+ this.faceVertexUvs[ 0 ].push( [ uv1, uv2, uv3, uv4 ] );
+
+ }
+
+ }
+
+ // top cap
+
+ if ( !openEnded && radiusTop > 0 ) {
+
+ this.vertices.push( new THREE.Vector3( 0, heightHalf, 0 ) );
+
+ for ( x = 0; x < segmentsX; x ++ ) {
+
+ var v1 = vertices[ 0 ][ x ];
+ var v2 = vertices[ 0 ][ x + 1 ];
+ var v3 = this.vertices.length - 1;
+
+ var n1 = new THREE.Vector3( 0, 1, 0 );
+ var n2 = new THREE.Vector3( 0, 1, 0 );
+ var n3 = new THREE.Vector3( 0, 1, 0 );
+
+ var uv1 = uvs[ 0 ][ x ].clone();
+ var uv2 = uvs[ 0 ][ x + 1 ].clone();
+ var uv3 = new THREE.UV( uv2.u, 0 );
+
+ this.faces.push( new THREE.Face3( v1, v2, v3, [ n1, n2, n3 ] ) );
+ this.faceVertexUvs[ 0 ].push( [ uv1, uv2, uv3 ] );
+
+ }
+
+ }
+
+ // bottom cap
+
+ if ( !openEnded && radiusBottom > 0 ) {
+
+ this.vertices.push( new THREE.Vector3( 0, - heightHalf, 0 ) );
+
+ for ( x = 0; x < segmentsX; x ++ ) {
+
+ var v1 = vertices[ y ][ x + 1 ];
+ var v2 = vertices[ y ][ x ];
+ var v3 = this.vertices.length - 1;
+
+ var n1 = new THREE.Vector3( 0, - 1, 0 );
+ var n2 = new THREE.Vector3( 0, - 1, 0 );
+ var n3 = new THREE.Vector3( 0, - 1, 0 );
+
+ var uv1 = uvs[ y ][ x + 1 ].clone();
+ var uv2 = uvs[ y ][ x ].clone();
+ var uv3 = new THREE.UV( uv2.u, 1 );
+
+ this.faces.push( new THREE.Face3( v1, v2, v3, [ n1, n2, n3 ] ) );
+ this.faceVertexUvs[ 0 ].push( [ uv1, uv2, uv3 ] );
+
+ }
+
+ }
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+
+}
+THREE.CylinderGeometry.prototype = new THREE.Geometry();
+THREE.CylinderGeometry.prototype.constructor = THREE.CylinderGeometry;
+/**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ *
+ * Creates extruded geometry from a path shape.
+ *
+ * parameters = {
+ *
+ * size: , // size of the text
+ * height: , // thickness to extrude text
+ * curveSegments: , // number of points on the curves
+ * steps: , // number of points for z-side extrusions / used for subdividing segements of extrude spline too
+ amount: , // Amount
+ *
+ * bevelEnabled: , // turn on bevel
+ * bevelThickness: , // how deep into text bevel goes
+ * bevelSize: , // how far from text outline is bevel
+ * bevelSegments: , // number of bevel layers
+ *
+ * extrudePath: // 2d/3d spline path to extrude shape orthogonality to
+ * bendPath: // 2d path for bend the shape around x/y plane
+ *
+ * material: // material index for front and back faces
+ * extrudeMaterial: // material index for extrusion and beveled faces
+ *
+ * }
+ **/
+
+
+THREE.ExtrudeGeometry = function( shapes, options ) {
+
+ if ( typeof( shapes ) === "undefined" ) {
+ shapes = [];
+ return;
+ }
+
+ THREE.Geometry.call( this );
+
+ shapes = shapes instanceof Array ? shapes : [ shapes ];
+
+ this.shapebb = shapes[ shapes.length - 1 ].getBoundingBox();
+
+ this.addShapeList( shapes, options );
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+
+ // can't really use automatic vertex normals
+ // as then front and back sides get smoothed too
+ // should do separate smoothing just for sides
+
+ //this.computeVertexNormals();
+
+ //console.log( "took", ( Date.now() - startTime ) );
+
+};
+
+THREE.ExtrudeGeometry.prototype = new THREE.Geometry();
+THREE.ExtrudeGeometry.prototype.constructor = THREE.ExtrudeGeometry;
+
+THREE.ExtrudeGeometry.prototype.addShapeList = function(shapes, options) {
+ var sl = shapes.length;
+
+ for ( var s = 0; s < sl; s ++ ) {
+ var shape = shapes[ s ];
+ this.addShape( shape, options );
+ }
+};
+
+THREE.ExtrudeGeometry.prototype.addShape = function( shape, options ) {
+
+ var amount = options.amount !== undefined ? options.amount : 100;
+
+ var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10
+ var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8
+ var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;
+
+ var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false
+
+ var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;
+
+ var steps = options.steps !== undefined ? options.steps : 1;
+
+ var bendPath = options.bendPath;
+
+ var extrudePath = options.extrudePath;
+ var extrudePts, extrudeByPath = false;
+
+ var material = options.material;
+ var extrudeMaterial = options.extrudeMaterial;
+
+ var shapebb = this.shapebb;
+ //shapebb = shape.getBoundingBox();
+
+
+
+ var splineTube, binormal, normal, position2;
+ if ( extrudePath ) {
+
+ extrudePts = extrudePath.getSpacedPoints( steps );
+
+ extrudeByPath = true;
+ bevelEnabled = false; // bevels not supported for path extrusion
+
+ // SETUP TNB variables
+
+ // Reuse TNB from TubeGeomtry for now.
+ // TODO1 - have a .isClosed in spline?
+ splineTube = new THREE.TubeGeometry.FrenetFrames(extrudePath, steps, false);
+
+ // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);
+
+ binormal = new THREE.Vector3();
+ normal = new THREE.Vector3();
+ position2 = new THREE.Vector3();
+
+ }
+
+ // Safeguards if bevels are not enabled
+
+ if ( ! bevelEnabled ) {
+
+ bevelSegments = 0;
+ bevelThickness = 0;
+ bevelSize = 0;
+
+ }
+
+ // Variables initalization
+
+ var ahole, h, hl; // looping of holes
+ var scope = this;
+ var bevelPoints = [];
+
+ var shapesOffset = this.vertices.length;
+
+ if ( bendPath ) {
+
+ shape.addWrapPath( bendPath );
+
+ }
+
+ var shapePoints = shape.extractPoints();
+
+ var vertices = shapePoints.shape;
+ var holes = shapePoints.holes;
+
+ var reverse = !THREE.Shape.Utils.isClockWise( vertices ) ;
+
+ if ( reverse ) {
+
+ vertices = vertices.reverse();
+
+ // Maybe we should also check if holes are in the opposite direction, just to be safe ...
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+
+ if ( THREE.Shape.Utils.isClockWise( ahole ) ) {
+
+ holes[ h ] = ahole.reverse();
+
+ }
+
+ }
+
+ reverse = false; // If vertices are in order now, we shouldn't need to worry about them again (hopefully)!
+
+ }
+
+
+ var faces = THREE.Shape.Utils.triangulateShape ( vertices, holes );
+ //var faces = THREE.Shape.Utils.triangulate2( vertices, holes );
+
+ // Would it be better to move points after triangulation?
+ // shapePoints = shape.extractAllPointsWithBend( curveSegments, bendPath );
+ // vertices = shapePoints.shape;
+ // holes = shapePoints.holes;
+
+ //console.log(faces);
+
+ ////
+ /// Handle Vertices
+ ////
+
+ var contour = vertices; // vertices has all points but contour has only points of circumference
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+
+ vertices = vertices.concat( ahole );
+
+ }
+
+
+ function scalePt2 ( pt, vec, size ) {
+
+ if ( !vec ) console.log( "die" );
+
+ return vec.clone().multiplyScalar( size ).addSelf( pt );
+
+ }
+
+ var b, bs, t, z,
+ vert, vlen = vertices.length,
+ face, flen = faces.length,
+ cont, clen = contour.length;
+
+
+ //------
+ // Find directions for point movement
+ //
+
+ var RAD_TO_DEGREES = 180 / Math.PI;
+
+
+ function getBevelVec( pt_i, pt_j, pt_k ) {
+
+ // Algorithm 2
+
+ return getBevelVec2( pt_i, pt_j, pt_k );
+
+ }
+
+ function getBevelVec1( pt_i, pt_j, pt_k ) {
+
+ var anglea = Math.atan2( pt_j.y - pt_i.y, pt_j.x - pt_i.x );
+ var angleb = Math.atan2( pt_k.y - pt_i.y, pt_k.x - pt_i.x );
+
+ if ( anglea > angleb ) {
+
+ angleb += Math.PI * 2;
+
+ }
+
+ var anglec = ( anglea + angleb ) / 2;
+
+
+ //console.log('angle1', anglea * RAD_TO_DEGREES,'angle2', angleb * RAD_TO_DEGREES, 'anglec', anglec *RAD_TO_DEGREES);
+
+ var x = - Math.cos( anglec );
+ var y = - Math.sin( anglec );
+
+ var vec = new THREE.Vector2( x, y ); //.normalize();
+
+ return vec;
+
+ }
+
+ function getBevelVec2( pt_i, pt_j, pt_k ) {
+
+ var a = THREE.ExtrudeGeometry.__v1,
+ b = THREE.ExtrudeGeometry.__v2,
+ v_hat = THREE.ExtrudeGeometry.__v3,
+ w_hat = THREE.ExtrudeGeometry.__v4,
+ p = THREE.ExtrudeGeometry.__v5,
+ q = THREE.ExtrudeGeometry.__v6,
+ v, w,
+ v_dot_w_hat, q_sub_p_dot_w_hat,
+ s, intersection;
+
+ // good reading for line-line intersection
+ // http://sputsoft.com/blog/2010/03/line-line-intersection.html
+
+ // define a as vector j->i
+ // define b as vectot k->i
+
+ a.set( pt_i.x - pt_j.x, pt_i.y - pt_j.y );
+ b.set( pt_i.x - pt_k.x, pt_i.y - pt_k.y );
+
+ // get unit vectors
+
+ v = a.normalize();
+ w = b.normalize();
+
+ // normals from pt i
+
+ v_hat.set( -v.y, v.x );
+ w_hat.set( w.y, -w.x );
+
+ // pts from i
+
+ p.copy( pt_i ).addSelf( v_hat );
+ q.copy( pt_i ).addSelf( w_hat );
+
+ if ( p.equals( q ) ) {
+
+ //console.log("Warning: lines are straight");
+ return w_hat.clone();
+
+ }
+
+ // Points from j, k. helps prevents points cross overover most of the time
+
+ p.copy( pt_j ).addSelf( v_hat );
+ q.copy( pt_k ).addSelf( w_hat );
+
+ v_dot_w_hat = v.dot( w_hat );
+ q_sub_p_dot_w_hat = q.subSelf( p ).dot( w_hat );
+
+ // We should not reach these conditions
+
+ if ( v_dot_w_hat === 0 ) {
+
+ console.log( "Either infinite or no solutions!" );
+
+ if ( q_sub_p_dot_w_hat === 0 ) {
+
+ console.log( "Its finite solutions." );
+
+ } else {
+
+ console.log( "Too bad, no solutions." );
+
+ }
+
+ }
+
+ s = q_sub_p_dot_w_hat / v_dot_w_hat;
+
+ if ( s < 0 ) {
+
+ // in case of emergecy, revert to algorithm 1.
+
+ return getBevelVec1( pt_i, pt_j, pt_k );
+
+ }
+
+ intersection = v.multiplyScalar( s ).addSelf( p );
+
+ return intersection.subSelf( pt_i ).clone(); // Don't normalize!, otherwise sharp corners become ugly
+
+ }
+
+ var contourMovements = [];
+
+ for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {
+
+ if ( j === il ) j = 0;
+ if ( k === il ) k = 0;
+
+ // (j)---(i)---(k)
+ // console.log('i,j,k', i, j , k)
+
+ var pt_i = contour[ i ];
+ var pt_j = contour[ j ];
+ var pt_k = contour[ k ];
+
+ contourMovements[ i ]= getBevelVec( contour[ i ], contour[ j ], contour[ k ] );
+
+ }
+
+ var holesMovements = [], oneHoleMovements, verticesMovements = contourMovements.concat();
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+
+ oneHoleMovements = [];
+
+ for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {
+
+ if ( j === il ) j = 0;
+ if ( k === il ) k = 0;
+
+ // (j)---(i)---(k)
+ oneHoleMovements[ i ]= getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );
+
+ }
+
+ holesMovements.push( oneHoleMovements );
+ verticesMovements = verticesMovements.concat( oneHoleMovements );
+
+ }
+
+
+ // Loop bevelSegments, 1 for the front, 1 for the back
+
+ for ( b = 0; b < bevelSegments; b ++ ) {
+ //for ( b = bevelSegments; b > 0; b -- ) {
+
+ t = b / bevelSegments;
+ z = bevelThickness * ( 1 - t );
+
+ //z = bevelThickness * t;
+ bs = bevelSize * ( Math.sin ( t * Math.PI/2 ) ) ; // curved
+ //bs = bevelSize * t ; // linear
+
+ // contract shape
+
+ for ( i = 0, il = contour.length; i < il; i ++ ) {
+
+ vert = scalePt2( contour[ i ], contourMovements[ i ], bs );
+ //vert = scalePt( contour[ i ], contourCentroid, bs, false );
+ v( vert.x, vert.y, - z );
+
+ }
+
+ // expand holes
+
+ for ( h = 0, hl = holes.length; h < hl; h++ ) {
+
+ ahole = holes[ h ];
+ oneHoleMovements = holesMovements[ h ];
+
+ for ( i = 0, il = ahole.length; i < il; i++ ) {
+
+ vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );
+ //vert = scalePt( ahole[ i ], holesCentroids[ h ], bs, true );
+
+ v( vert.x, vert.y, -z );
+
+ }
+
+ }
+
+ }
+
+ bs = bevelSize;
+
+ // Back facing vertices
+
+ for ( i = 0; i < vlen; i ++ ) {
+
+ vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];
+
+ if ( !extrudeByPath ) {
+
+ v( vert.x, vert.y, 0 );
+
+ } else {
+
+ // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );
+
+ normal.copy(splineTube.normals[0]).multiplyScalar(vert.x);
+ binormal.copy(splineTube.binormals[0]).multiplyScalar(vert.y);
+
+ position2.copy(extrudePts[0]).addSelf(normal).addSelf(binormal);
+
+ v(position2.x, position2.y, position2.z);
+
+ }
+
+ }
+
+ // Add stepped vertices...
+ // Including front facing vertices
+
+ var s;
+
+ for ( s = 1; s <= steps; s ++ ) {
+
+ for ( i = 0; i < vlen; i ++ ) {
+
+ vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];
+
+ if ( !extrudeByPath ) {
+
+ v( vert.x, vert.y, amount / steps * s );
+
+ } else {
+
+ // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );
+
+ normal.copy(splineTube.normals[s]).multiplyScalar(vert.x);
+ binormal.copy(splineTube.binormals[s]).multiplyScalar(vert.y);
+
+ position2.copy(extrudePts[s]).addSelf(normal).addSelf(binormal);
+
+ v(position2.x, position2.y, position2.z );
+
+ }
+
+ }
+
+ }
+
+
+ // Add bevel segments planes
+
+ //for ( b = 1; b <= bevelSegments; b ++ ) {
+ for ( b = bevelSegments - 1; b >= 0; b -- ) {
+
+ t = b / bevelSegments;
+ z = bevelThickness * ( 1 - t );
+ //bs = bevelSize * ( 1-Math.sin ( ( 1 - t ) * Math.PI/2 ) );
+ bs = bevelSize * Math.sin ( t * Math.PI/2 ) ;
+
+ // contract shape
+
+ for ( i = 0, il = contour.length; i < il; i ++ ) {
+
+ vert = scalePt2( contour[ i ], contourMovements[ i ], bs );
+ v( vert.x, vert.y, amount + z );
+
+ }
+
+ // expand holes
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+ oneHoleMovements = holesMovements[ h ];
+
+ for ( i = 0, il = ahole.length; i < il; i++ ) {
+
+ vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );
+
+ if ( !extrudeByPath ) {
+
+ v( vert.x, vert.y, amount + z );
+
+ } else {
+
+ v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ // set UV generator
+ var uvgen = THREE.ExtrudeGeometry.WorldUVGenerator;
+
+ ////
+ /// Handle Faces
+ ////
+
+ // Top and bottom faces
+ buildLidFaces();
+
+ // Sides faces
+ buildSideFaces();
+
+
+ ///// Internal functions
+
+ function buildLidFaces() {
+ if ( bevelEnabled ) {
+
+ var layer = 0 ; // steps + 1
+ var offset = vlen * layer;
+
+ // Bottom faces
+
+ for ( i = 0; i < flen; i ++ ) {
+
+ face = faces[ i ];
+ f3( face[ 2 ]+ offset, face[ 1 ]+ offset, face[ 0 ] + offset, true );
+
+ }
+
+ layer = steps + bevelSegments * 2;
+ offset = vlen * layer;
+
+ // Top faces
+
+ for ( i = 0; i < flen; i ++ ) {
+ face = faces[ i ];
+ f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset, false );
+ }
+ } else {
+
+ // Bottom faces
+
+ for ( i = 0; i < flen; i++ ) {
+ face = faces[ i ];
+ f3( face[ 2 ], face[ 1 ], face[ 0 ], true );
+ }
+
+ // Top faces
+
+ for ( i = 0; i < flen; i ++ ) {
+ face = faces[ i ];
+ f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps, false );
+ }
+ }
+ }
+
+ // Create faces for the z-sides of the shape
+
+ function buildSideFaces() {
+ var layeroffset = 0;
+ sidewalls( contour, layeroffset );
+ layeroffset += contour.length;
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+ ahole = holes[ h ];
+ sidewalls( ahole, layeroffset );
+
+ //, true
+ layeroffset += ahole.length;
+ }
+ }
+
+ function sidewalls( contour, layeroffset ) {
+ var j, k;
+ i = contour.length;
+
+ while ( --i >= 0 ) {
+ j = i;
+ k = i - 1;
+ if ( k < 0 ) k = contour.length - 1;
+
+ //console.log('b', i,j, i-1, k,vertices.length);
+
+ var s = 0, sl = steps + bevelSegments * 2;
+
+ for ( s = 0; s < sl; s ++ ) {
+ var slen1 = vlen * s;
+ var slen2 = vlen * ( s + 1 );
+ var a = layeroffset + j + slen1,
+ b = layeroffset + k + slen1,
+ c = layeroffset + k + slen2,
+ d = layeroffset + j + slen2;
+
+ f4( a, b, c, d, contour, s, sl );
+ }
+ }
+ }
+
+
+ function v( x, y, z ) {
+ scope.vertices.push( new THREE.Vector3( x, y, z ) );
+ }
+
+ function f3( a, b, c, isBottom ) {
+ a += shapesOffset;
+ b += shapesOffset;
+ c += shapesOffset;
+
+ // normal, color, material
+ scope.faces.push( new THREE.Face3( a, b, c, null, null, material ) );
+
+ var uvs = isBottom ? uvgen.generateBottomUV( scope, shape, options, a, b, c)
+ : uvgen.generateTopUV( scope, shape, options, a, b, c);
+
+ scope.faceVertexUvs[ 0 ].push(uvs);
+ }
+
+ function f4( a, b, c, d, wallContour, stepIndex, stepsLength ) {
+ a += shapesOffset;
+ b += shapesOffset;
+ c += shapesOffset;
+ d += shapesOffset;
+
+ scope.faces.push( new THREE.Face4( a, b, c, d, null, null, extrudeMaterial ) );
+
+ var uvs = uvgen.generateSideWallUV( scope, shape, wallContour, options, a, b, c, d, stepIndex, stepsLength);
+ scope.faceVertexUvs[ 0 ].push(uvs);
+ }
+
+};
+
+
+
+THREE.ExtrudeGeometry.WorldUVGenerator = {
+ generateTopUV: function( geometry, extrudedShape, extrudeOptions, indexA, indexB, indexC) {
+ var ax = geometry.vertices[ indexA ].x,
+ ay = geometry.vertices[ indexA ].y,
+
+ bx = geometry.vertices[ indexB ].x,
+ by = geometry.vertices[ indexB ].y,
+
+ cx = geometry.vertices[ indexC ].x,
+ cy = geometry.vertices[ indexC ].y;
+
+ return [
+ new THREE.UV( ax, 1 - ay ),
+ new THREE.UV( bx, 1 - by ),
+ new THREE.UV( cx, 1 - cy )
+ ];
+ },
+
+ generateBottomUV: function( geometry, extrudedShape, extrudeOptions, indexA, indexB, indexC) {
+ return this.generateTopUV( geometry, extrudedShape, extrudeOptions, indexA, indexB, indexC );
+ },
+
+ generateSideWallUV: function( geometry, extrudedShape, wallContour, extrudeOptions,
+ indexA, indexB, indexC, indexD, stepIndex, stepsLength) {
+ var ax = geometry.vertices[ indexA ].x,
+ ay = geometry.vertices[ indexA ].y,
+ az = geometry.vertices[ indexA ].z,
+
+ bx = geometry.vertices[ indexB ].x,
+ by = geometry.vertices[ indexB ].y,
+ bz = geometry.vertices[ indexB ].z,
+
+ cx = geometry.vertices[ indexC ].x,
+ cy = geometry.vertices[ indexC ].y,
+ cz = geometry.vertices[ indexC ].z,
+
+ dx = geometry.vertices[ indexD ].x,
+ dy = geometry.vertices[ indexD ].y,
+ dz = geometry.vertices[ indexD ].z;
+
+ if ( Math.abs( ay - by ) < 0.01 ) {
+ return [
+ new THREE.UV( ax, az ),
+ new THREE.UV( bx, bz ),
+ new THREE.UV( cx, cz ),
+ new THREE.UV( dx, dz )
+ ];
+ } else {
+ return [
+ new THREE.UV( ay, az ),
+ new THREE.UV( by, bz ),
+ new THREE.UV( cy, cz ),
+ new THREE.UV( dy, dz )
+ ];
+ }
+ }
+};
+
+THREE.ExtrudeGeometry.__v1 = new THREE.Vector2();
+THREE.ExtrudeGeometry.__v2 = new THREE.Vector2();
+THREE.ExtrudeGeometry.__v3 = new THREE.Vector2();
+THREE.ExtrudeGeometry.__v4 = new THREE.Vector2();
+THREE.ExtrudeGeometry.__v5 = new THREE.Vector2();
+THREE.ExtrudeGeometry.__v6 = new THREE.Vector2();
+/**
+ * @author astrodud / http://astrodud.isgreat.org/
+ * @author zz85 / https://github.com/zz85
+ */
+
+THREE.LatheGeometry = function ( points, steps, angle ) {
+
+ THREE.Geometry.call( this );
+
+ var _steps = steps || 12;
+ var _angle = angle || 2 * Math.PI;
+
+ var _newV = [];
+ var _matrix = new THREE.Matrix4().makeRotationZ( _angle / _steps );
+
+ for ( var j = 0; j < points.length; j ++ ) {
+
+ _newV[ j ] = points[ j ].clone();
+ this.vertices.push( _newV[ j ] );
+
+ }
+
+ var i, il = _steps + 1;
+
+ for ( i = 0; i < il; i ++ ) {
+
+ for ( var j = 0; j < _newV.length; j ++ ) {
+
+ _newV[ j ] = _matrix.multiplyVector3( _newV[ j ].clone() );
+ this.vertices.push( _newV[ j ] );
+
+ }
+
+ }
+
+ for ( i = 0; i < _steps; i ++ ) {
+
+ for ( var k = 0, kl = points.length; k < kl - 1; k ++ ) {
+
+ var a = i * kl + k;
+ var b = ( ( i + 1 ) % il ) * kl + k;
+ var c = ( ( i + 1 ) % il ) * kl + ( k + 1 ) % kl;
+ var d = i * kl + ( k + 1 ) % kl;
+
+ this.faces.push( new THREE.Face4( a, b, c, d ) );
+
+ this.faceVertexUvs[ 0 ].push( [
+
+ new THREE.UV( 1 - i / _steps, k / kl ),
+ new THREE.UV( 1 - ( i + 1 ) / _steps, k / kl ),
+ new THREE.UV( 1 - ( i + 1 ) / _steps, ( k + 1 ) / kl ),
+ new THREE.UV( 1 - i / _steps, ( k + 1 ) / kl )
+
+ ] );
+
+ }
+
+ }
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+ this.computeVertexNormals();
+
+};
+
+THREE.LatheGeometry.prototype = new THREE.Geometry();
+THREE.LatheGeometry.prototype.constructor = THREE.LatheGeometry;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as
+ */
+
+THREE.PlaneGeometry = function ( width, depth, segmentsWidth, segmentsDepth ) {
+
+ THREE.Geometry.call( this );
+
+ var ix, iz,
+ width_half = width / 2,
+ depth_half = depth / 2,
+ gridX = segmentsWidth || 1,
+ gridZ = segmentsDepth || 1,
+ gridX1 = gridX + 1,
+ gridZ1 = gridZ + 1,
+ segment_width = width / gridX,
+ segment_depth = depth / gridZ,
+ normal = new THREE.Vector3( 0, 1, 0 );
+
+ for ( iz = 0; iz < gridZ1; iz ++ ) {
+
+ for ( ix = 0; ix < gridX1; ix ++ ) {
+
+ var x = ix * segment_width - width_half;
+ var z = iz * segment_depth - depth_half;
+
+ this.vertices.push( new THREE.Vector3( x, 0, z ) );
+
+ }
+
+ }
+
+ for ( iz = 0; iz < gridZ; iz ++ ) {
+
+ for ( ix = 0; ix < gridX; ix ++ ) {
+
+ var a = ix + gridX1 * iz;
+ var b = ix + gridX1 * ( iz + 1 );
+ var c = ( ix + 1 ) + gridX1 * ( iz + 1 );
+ var d = ( ix + 1 ) + gridX1 * iz;
+
+ var face = new THREE.Face4( a, b, c, d );
+ face.normal.copy( normal );
+ face.vertexNormals.push( normal.clone(), normal.clone(), normal.clone(), normal.clone() );
+
+ this.faces.push( face );
+ this.faceVertexUvs[ 0 ].push( [
+ new THREE.UV( ix / gridX, iz / gridZ ),
+ new THREE.UV( ix / gridX, ( iz + 1 ) / gridZ ),
+ new THREE.UV( ( ix + 1 ) / gridX, ( iz + 1 ) / gridZ ),
+ new THREE.UV( ( ix + 1 ) / gridX, iz / gridZ )
+ ] );
+
+ }
+
+ }
+
+ this.computeCentroids();
+
+};
+
+THREE.PlaneGeometry.prototype = new THREE.Geometry();
+THREE.PlaneGeometry.prototype.constructor = THREE.PlaneGeometry;
+/**
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.SphereGeometry = function ( radius, segmentsWidth, segmentsHeight, phiStart, phiLength, thetaStart, thetaLength ) {
+
+ THREE.Geometry.call( this );
+
+ radius = radius || 50;
+
+ phiStart = phiStart !== undefined ? phiStart : 0;
+ phiLength = phiLength !== undefined ? phiLength : Math.PI * 2;
+
+ thetaStart = thetaStart !== undefined ? thetaStart : 0;
+ thetaLength = thetaLength !== undefined ? thetaLength : Math.PI;
+
+ var segmentsX = Math.max( 3, Math.floor( segmentsWidth ) || 8 );
+ var segmentsY = Math.max( 2, Math.floor( segmentsHeight ) || 6 );
+
+ var x, y, vertices = [], uvs = [];
+
+ for ( y = 0; y <= segmentsY; y ++ ) {
+
+ var verticesRow = [];
+ var uvsRow = [];
+
+ for ( x = 0; x <= segmentsX; x ++ ) {
+
+ var u = x / segmentsX;
+ var v = y / segmentsY;
+
+ var vertex = new THREE.Vector3();
+ vertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );
+ vertex.y = radius * Math.cos( thetaStart + v * thetaLength );
+ vertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );
+
+ this.vertices.push( vertex );
+
+ verticesRow.push( this.vertices.length - 1 );
+ uvsRow.push( new THREE.UV( u, v ) );
+
+ }
+
+ vertices.push( verticesRow );
+ uvs.push( uvsRow );
+
+ }
+
+ for ( y = 0; y < segmentsY; y ++ ) {
+
+ for ( x = 0; x < segmentsX; x ++ ) {
+
+ var v1 = vertices[ y ][ x + 1 ];
+ var v2 = vertices[ y ][ x ];
+ var v3 = vertices[ y + 1 ][ x ];
+ var v4 = vertices[ y + 1 ][ x + 1 ];
+
+ var n1 = this.vertices[ v1 ].clone().normalize();
+ var n2 = this.vertices[ v2 ].clone().normalize();
+ var n3 = this.vertices[ v3 ].clone().normalize();
+ var n4 = this.vertices[ v4 ].clone().normalize();
+
+ var uv1 = uvs[ y ][ x + 1 ].clone();
+ var uv2 = uvs[ y ][ x ].clone();
+ var uv3 = uvs[ y + 1 ][ x ].clone();
+ var uv4 = uvs[ y + 1 ][ x + 1 ].clone();
+
+ if ( Math.abs( this.vertices[ v1 ].y ) == radius ) {
+
+ this.faces.push( new THREE.Face3( v1, v3, v4, [ n1, n3, n4 ] ) );
+ this.faceVertexUvs[ 0 ].push( [ uv1, uv3, uv4 ] );
+
+ } else if ( Math.abs( this.vertices[ v3 ].y ) == radius ) {
+
+ this.faces.push( new THREE.Face3( v1, v2, v3, [ n1, n2, n3 ] ) );
+ this.faceVertexUvs[ 0 ].push( [ uv1, uv2, uv3 ] );
+
+ } else {
+
+ this.faces.push( new THREE.Face4( v1, v2, v3, v4, [ n1, n2, n3, n4 ] ) );
+ this.faceVertexUvs[ 0 ].push( [ uv1, uv2, uv3, uv4 ] );
+
+ }
+
+ }
+
+ }
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+
+ this.boundingSphere = { radius: radius };
+
+};
+
+THREE.SphereGeometry.prototype = new THREE.Geometry();
+THREE.SphereGeometry.prototype.constructor = THREE.SphereGeometry;
+/**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * For creating 3D text geometry in three.js
+ *
+ * Text = 3D Text
+ *
+ * parameters = {
+ * size: , // size of the text
+ * height: , // thickness to extrude text
+ * curveSegments: , // number of points on the curves
+ *
+ * font: , // font name
+ * weight: , // font weight (normal, bold)
+ * style: , // font style (normal, italics)
+ *
+ * bevelEnabled: , // turn on bevel
+ * bevelThickness: , // how deep into text bevel goes
+ * bevelSize: , // how far from text outline is bevel
+ *
+ * bend: // bend according to hardcoded curve (generates bendPath)
+ * bendPath: // wraps text according to bend Path
+ * }
+ *
+ * It uses techniques used in:
+ *
+ * typeface.js and canvastext
+ * For converting fonts and rendering with javascript
+ * http://typeface.neocracy.org
+ *
+ * Triangulation ported from AS3
+ * Simple Polygon Triangulation
+ * http://actionsnippet.com/?p=1462
+ *
+ * A Method to triangulate shapes with holes
+ * http://www.sakri.net/blog/2009/06/12/an-approach-to-triangulating-polygons-with-holes/
+ *
+ */
+/* Usage Examples
+
+ // TextGeometry wrapper
+
+ var text3d = new TextGeometry( text, options );
+
+ // Complete manner
+
+ var textPath = new THREE.TextPath( text, options );
+ var textShapes = textPath.toShapes();
+ var text3d = new ExtrudeGeometry( textShapes, options );
+
+*/
+
+
+THREE.TextGeometry = function ( text, parameters ) {
+
+ var textPath = new THREE.TextPath( text, parameters );
+ var textShapes = textPath.toShapes();
+
+ // translate parameters to ExtrudeGeometry API
+
+ parameters.amount = parameters.height !== undefined ? parameters.height : 50;
+
+ // defaults
+
+ if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;
+ if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;
+ if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;
+
+ if ( parameters.bend ) {
+
+ var b = textShapes[ textShapes.length - 1 ].getBoundingBox();
+ var max = b.maxX;
+
+ parameters.bendPath = new THREE.QuadraticBezierCurve( new THREE.Vector2( 0, 0 ),
+ new THREE.Vector2( max / 2, 120 ),
+ new THREE.Vector2( max, 0 ) );
+
+ }
+
+ THREE.ExtrudeGeometry.call( this, textShapes, parameters );
+
+};
+
+THREE.TextGeometry.prototype = new THREE.ExtrudeGeometry();
+THREE.TextGeometry.prototype.constructor = THREE.TextGeometry;
+
+
+THREE.FontUtils = {
+
+ faces : {},
+
+ // Just for now. face[weight][style]
+
+ face : "helvetiker",
+ weight: "normal",
+ style : "normal",
+ size : 150,
+ divisions : 10,
+
+ getFace : function() {
+
+ return this.faces[ this.face ][ this.weight ][ this.style ];
+
+ },
+
+ loadFace : function( data ) {
+
+ var family = data.familyName.toLowerCase();
+
+ var ThreeFont = this;
+
+ ThreeFont.faces[ family ] = ThreeFont.faces[ family ] || {};
+
+ ThreeFont.faces[ family ][ data.cssFontWeight ] = ThreeFont.faces[ family ][ data.cssFontWeight ] || {};
+ ThreeFont.faces[ family ][ data.cssFontWeight ][ data.cssFontStyle ] = data;
+
+ var face = ThreeFont.faces[ family ][ data.cssFontWeight ][ data.cssFontStyle ] = data;
+
+ return data;
+
+ },
+
+ drawText : function( text ) {
+
+ var characterPts = [], allPts = [];
+
+ // RenderText
+
+ var i, p,
+ face = this.getFace(),
+ scale = this.size / face.resolution,
+ offset = 0,
+ chars = String( text ).split( '' ),
+ length = chars.length;
+
+ var fontPaths = [];
+
+ for ( i = 0; i < length; i ++ ) {
+
+ var path = new THREE.Path();
+
+ var ret = this.extractGlyphPoints( chars[ i ], face, scale, offset, path );
+ offset += ret.offset;
+ //characterPts.push( ret.points );
+ //allPts = allPts.concat( ret.points );
+ fontPaths.push( ret.path );
+
+ }
+
+ // get the width
+
+ var width = offset / 2;
+ //
+ // for ( p = 0; p < allPts.length; p++ ) {
+ //
+ // allPts[ p ].x -= width;
+ //
+ // }
+
+ //var extract = this.extractPoints( allPts, characterPts );
+ //extract.contour = allPts;
+
+ //extract.paths = fontPaths;
+ //extract.offset = width;
+
+ return { paths : fontPaths, offset : width };
+
+ },
+
+
+
+
+ extractGlyphPoints : function( c, face, scale, offset, path ) {
+
+ var pts = [];
+
+ var i, i2, divisions,
+ outline, action, length,
+ scaleX, scaleY,
+ x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2,
+ laste,
+ glyph = face.glyphs[ c ] || face.glyphs[ '?' ];
+
+ if ( !glyph ) return;
+
+ if ( glyph.o ) {
+
+ outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );
+ length = outline.length;
+
+ scaleX = scale;
+ scaleY = scale;
+
+ for ( i = 0; i < length; ) {
+
+ action = outline[ i ++ ];
+
+ //console.log( action );
+
+ switch( action ) {
+
+ case 'm':
+
+ // Move To
+
+ x = outline[ i++ ] * scaleX + offset;
+ y = outline[ i++ ] * scaleY;
+
+ pts.push( new THREE.Vector2( x, y ) );
+
+ path.moveTo( x, y );
+ break;
+
+ case 'l':
+
+ // Line To
+
+ x = outline[ i++ ] * scaleX + offset;
+ y = outline[ i++ ] * scaleY;
+ pts.push( new THREE.Vector2( x, y ) );
+ path.lineTo(x,y);
+ break;
+
+ case 'q':
+
+ // QuadraticCurveTo
+
+ cpx = outline[ i++ ] * scaleX + offset;
+ cpy = outline[ i++ ] * scaleY;
+ cpx1 = outline[ i++ ] * scaleX + offset;
+ cpy1 = outline[ i++ ] * scaleY;
+
+ path.quadraticCurveTo(cpx1, cpy1, cpx, cpy);
+
+ laste = pts[ pts.length - 1 ];
+
+ if ( laste ) {
+
+ cpx0 = laste.x;
+ cpy0 = laste.y;
+
+ for ( i2 = 1, divisions = this.divisions; i2 <= divisions; i2 ++ ) {
+
+ var t = i2 / divisions;
+ var tx = THREE.Shape.Utils.b2( t, cpx0, cpx1, cpx );
+ var ty = THREE.Shape.Utils.b2( t, cpy0, cpy1, cpy );
+ pts.push( new THREE.Vector2( tx, ty ) );
+
+ }
+
+ }
+
+ break;
+
+ case 'b':
+
+ // Cubic Bezier Curve
+
+ cpx = outline[ i++ ] * scaleX + offset;
+ cpy = outline[ i++ ] * scaleY;
+ cpx1 = outline[ i++ ] * scaleX + offset;
+ cpy1 = outline[ i++ ] * -scaleY;
+ cpx2 = outline[ i++ ] * scaleX + offset;
+ cpy2 = outline[ i++ ] * -scaleY;
+
+ path.bezierCurveTo( cpx, cpy, cpx1, cpy1, cpx2, cpy2 );
+
+ laste = pts[ pts.length - 1 ];
+
+ if ( laste ) {
+
+ cpx0 = laste.x;
+ cpy0 = laste.y;
+
+ for ( i2 = 1, divisions = this.divisions; i2 <= divisions; i2 ++ ) {
+
+ var t = i2 / divisions;
+ var tx = THREE.Shape.Utils.b3( t, cpx0, cpx1, cpx2, cpx );
+ var ty = THREE.Shape.Utils.b3( t, cpy0, cpy1, cpy2, cpy );
+ pts.push( new THREE.Vector2( tx, ty ) );
+
+ }
+
+ }
+
+ break;
+
+ }
+
+ }
+ }
+
+
+
+ return { offset: glyph.ha*scale, points:pts, path:path};
+ }
+
+};
+
+
+
+/**
+ * This code is a quick port of code written in C++ which was submitted to
+ * flipcode.com by John W. Ratcliff // July 22, 2000
+ * See original code and more information here:
+ * http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml
+ *
+ * ported to actionscript by Zevan Rosser
+ * www.actionsnippet.com
+ *
+ * ported to javascript by Joshua Koo
+ * http://www.lab4games.net/zz85/blog
+ *
+ */
+
+
+( function( namespace ) {
+
+ var EPSILON = 0.0000000001;
+
+ // takes in an contour array and returns
+
+ var process = function( contour, indices ) {
+
+ var n = contour.length;
+
+ if ( n < 3 ) return null;
+
+ var result = [],
+ verts = [],
+ vertIndices = [];
+
+ /* we want a counter-clockwise polygon in verts */
+
+ var u, v, w;
+
+ if ( area( contour ) > 0.0 ) {
+
+ for ( v = 0; v < n; v++ ) verts[ v ] = v;
+
+ } else {
+
+ for ( v = 0; v < n; v++ ) verts[ v ] = ( n - 1 ) - v;
+
+ }
+
+ var nv = n;
+
+ /* remove nv - 2 vertices, creating 1 triangle every time */
+
+ var count = 2 * nv; /* error detection */
+
+ for( v = nv - 1; nv > 2; ) {
+
+ /* if we loop, it is probably a non-simple polygon */
+
+ if ( ( count-- ) <= 0 ) {
+
+ //** Triangulate: ERROR - probable bad polygon!
+
+ //throw ( "Warning, unable to triangulate polygon!" );
+ //return null;
+ // Sometimes warning is fine, especially polygons are triangulated in reverse.
+ console.log( "Warning, unable to triangulate polygon!" );
+
+ if ( indices ) return vertIndices;
+ return result;
+
+ }
+
+ /* three consecutive vertices in current polygon, */
+
+ u = v; if ( nv <= u ) u = 0; /* previous */
+ v = u + 1; if ( nv <= v ) v = 0; /* new v */
+ w = v + 1; if ( nv <= w ) w = 0; /* next */
+
+ if ( snip( contour, u, v, w, nv, verts ) ) {
+
+ var a, b, c, s, t;
+
+ /* true names of the vertices */
+
+ a = verts[ u ];
+ b = verts[ v ];
+ c = verts[ w ];
+
+ /* output Triangle */
+
+ /*
+ result.push( contour[ a ] );
+ result.push( contour[ b ] );
+ result.push( contour[ c ] );
+ */
+ result.push( [ contour[ a ],
+ contour[ b ],
+ contour[ c ] ] );
+
+
+ vertIndices.push( [ verts[ u ], verts[ v ], verts[ w ] ] );
+
+ /* remove v from the remaining polygon */
+
+ for( s = v, t = v + 1; t < nv; s++, t++ ) {
+
+ verts[ s ] = verts[ t ];
+
+ }
+
+ nv--;
+
+ /* reset error detection counter */
+
+ count = 2 * nv;
+
+ }
+
+ }
+
+ if ( indices ) return vertIndices;
+ return result;
+
+ };
+
+ // calculate area of the contour polygon
+
+ var area = function ( contour ) {
+
+ var n = contour.length;
+ var a = 0.0;
+
+ for( var p = n - 1, q = 0; q < n; p = q++ ) {
+
+ a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;
+
+ }
+
+ return a * 0.5;
+
+ };
+
+ // see if p is inside triangle abc
+
+ var insideTriangle = function( ax, ay,
+ bx, by,
+ cx, cy,
+ px, py ) {
+
+ var aX, aY, bX, bY;
+ var cX, cY, apx, apy;
+ var bpx, bpy, cpx, cpy;
+ var cCROSSap, bCROSScp, aCROSSbp;
+
+ aX = cx - bx; aY = cy - by;
+ bX = ax - cx; bY = ay - cy;
+ cX = bx - ax; cY = by - ay;
+ apx= px -ax; apy= py - ay;
+ bpx= px - bx; bpy= py - by;
+ cpx= px - cx; cpy= py - cy;
+
+ aCROSSbp = aX*bpy - aY*bpx;
+ cCROSSap = cX*apy - cY*apx;
+ bCROSScp = bX*cpy - bY*cpx;
+
+ return ( (aCROSSbp >= 0.0) && (bCROSScp >= 0.0) && (cCROSSap >= 0.0) );
+
+ };
+
+
+ var snip = function ( contour, u, v, w, n, verts ) {
+
+ var p;
+ var ax, ay, bx, by;
+ var cx, cy, px, py;
+
+ ax = contour[ verts[ u ] ].x;
+ ay = contour[ verts[ u ] ].y;
+
+ bx = contour[ verts[ v ] ].x;
+ by = contour[ verts[ v ] ].y;
+
+ cx = contour[ verts[ w ] ].x;
+ cy = contour[ verts[ w ] ].y;
+
+ if ( EPSILON > (((bx-ax)*(cy-ay)) - ((by-ay)*(cx-ax))) ) return false;
+
+ for ( p = 0; p < n; p++ ) {
+
+ if( (p == u) || (p == v) || (p == w) ) continue;
+
+ px = contour[ verts[ p ] ].x
+ py = contour[ verts[ p ] ].y
+
+ if ( insideTriangle( ax, ay, bx, by, cx, cy, px, py ) ) return false;
+
+ }
+
+ return true;
+
+ };
+
+
+ namespace.Triangulate = process;
+ namespace.Triangulate.area = area;
+
+ return namespace;
+
+})(THREE.FontUtils);
+
+// To use the typeface.js face files, hook up the API
+self._typeface_js = { faces: THREE.FontUtils.faces, loadFace: THREE.FontUtils.loadFace };
+/**
+ * @author oosmoxiecode
+ * @author mr.doob / http://mrdoob.com/
+ * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3DLite/src/away3dlite/primitives/Torus.as?r=2888
+ */
+
+THREE.TorusGeometry = function ( radius, tube, segmentsR, segmentsT, arc ) {
+
+ THREE.Geometry.call( this );
+
+ var scope = this;
+
+ this.radius = radius || 100;
+ this.tube = tube || 40;
+ this.segmentsR = segmentsR || 8;
+ this.segmentsT = segmentsT || 6;
+ this.arc = arc || Math.PI * 2;
+
+ var center = new THREE.Vector3(), uvs = [], normals = [];
+
+ for ( var j = 0; j <= this.segmentsR; j ++ ) {
+
+ for ( var i = 0; i <= this.segmentsT; i ++ ) {
+
+ var u = i / this.segmentsT * this.arc;
+ var v = j / this.segmentsR * Math.PI * 2;
+
+ center.x = this.radius * Math.cos( u );
+ center.y = this.radius * Math.sin( u );
+
+ var vertex = new THREE.Vector3();
+ vertex.x = ( this.radius + this.tube * Math.cos( v ) ) * Math.cos( u );
+ vertex.y = ( this.radius + this.tube * Math.cos( v ) ) * Math.sin( u );
+ vertex.z = this.tube * Math.sin( v );
+
+ this.vertices.push( vertex );
+
+ uvs.push( new THREE.UV( i / this.segmentsT, 1 - j / this.segmentsR ) );
+ normals.push( vertex.clone().subSelf( center ).normalize() );
+
+ }
+ }
+
+
+ for ( var j = 1; j <= this.segmentsR; j ++ ) {
+
+ for ( var i = 1; i <= this.segmentsT; i ++ ) {
+
+ var a = ( this.segmentsT + 1 ) * j + i - 1;
+ var b = ( this.segmentsT + 1 ) * ( j - 1 ) + i - 1;
+ var c = ( this.segmentsT + 1 ) * ( j - 1 ) + i;
+ var d = ( this.segmentsT + 1 ) * j + i;
+
+ var face = new THREE.Face4( a, b, c, d, [ normals[ a ], normals[ b ], normals[ c ], normals[ d ] ] );
+ face.normal.addSelf( normals[ a ] );
+ face.normal.addSelf( normals[ b ] );
+ face.normal.addSelf( normals[ c ] );
+ face.normal.addSelf( normals[ d ] );
+ face.normal.normalize();
+
+ this.faces.push( face );
+
+ this.faceVertexUvs[ 0 ].push( [ uvs[ a ].clone(), uvs[ b ].clone(), uvs[ c ].clone(), uvs[ d ].clone() ] );
+ }
+
+ }
+
+ this.computeCentroids();
+
+};
+
+THREE.TorusGeometry.prototype = new THREE.Geometry();
+THREE.TorusGeometry.prototype.constructor = THREE.TorusGeometry;
+/**
+ * @author oosmoxiecode
+ * based on http://code.google.com/p/away3d/source/browse/trunk/fp10/Away3D/src/away3d/primitives/TorusKnot.as?spec=svn2473&r=2473
+ */
+
+THREE.TorusKnotGeometry = function ( radius, tube, segmentsR, segmentsT, p, q, heightScale ) {
+
+ THREE.Geometry.call( this );
+
+ var scope = this;
+
+ this.radius = radius || 200;
+ this.tube = tube || 40;
+ this.segmentsR = segmentsR || 64;
+ this.segmentsT = segmentsT || 8;
+ this.p = p || 2;
+ this.q = q || 3;
+ this.heightScale = heightScale || 1;
+ this.grid = new Array(this.segmentsR);
+
+ var tang = new THREE.Vector3();
+ var n = new THREE.Vector3();
+ var bitan = new THREE.Vector3();
+
+ for ( var i = 0; i < this.segmentsR; ++ i ) {
+
+ this.grid[ i ] = new Array( this.segmentsT );
+
+ for ( var j = 0; j < this.segmentsT; ++ j ) {
+
+ var u = i / this.segmentsR * 2 * this.p * Math.PI;
+ var v = j / this.segmentsT * 2 * Math.PI;
+ var p1 = getPos( u, v, this.q, this.p, this.radius, this.heightScale );
+ var p2 = getPos( u + 0.01, v, this.q, this.p, this.radius, this.heightScale );
+ var cx, cy;
+
+ tang.sub( p2, p1 );
+ n.add( p2, p1 );
+
+ bitan.cross( tang, n );
+ n.cross( bitan, tang );
+ bitan.normalize();
+ n.normalize();
+
+ cx = - this.tube * Math.cos( v ); // TODO: Hack: Negating it so it faces outside.
+ cy = this.tube * Math.sin( v );
+
+ p1.x += cx * n.x + cy * bitan.x;
+ p1.y += cx * n.y + cy * bitan.y;
+ p1.z += cx * n.z + cy * bitan.z;
+
+ this.grid[ i ][ j ] = vert( p1.x, p1.y, p1.z );
+
+ }
+
+ }
+
+ for ( var i = 0; i < this.segmentsR; ++ i ) {
+
+ for ( var j = 0; j < this.segmentsT; ++ j ) {
+
+ var ip = ( i + 1 ) % this.segmentsR;
+ var jp = ( j + 1 ) % this.segmentsT;
+
+ var a = this.grid[ i ][ j ];
+ var b = this.grid[ ip ][ j ];
+ var c = this.grid[ ip ][ jp ];
+ var d = this.grid[ i ][ jp ];
+
+ var uva = new THREE.UV( i / this.segmentsR, j / this.segmentsT );
+ var uvb = new THREE.UV( ( i + 1 ) / this.segmentsR, j / this.segmentsT );
+ var uvc = new THREE.UV( ( i + 1 ) / this.segmentsR, ( j + 1 ) / this.segmentsT );
+ var uvd = new THREE.UV( i / this.segmentsR, ( j + 1 ) / this.segmentsT );
+
+ this.faces.push( new THREE.Face4( a, b, c, d ) );
+ this.faceVertexUvs[ 0 ].push( [ uva,uvb,uvc, uvd ] );
+
+ }
+ }
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+ this.computeVertexNormals();
+
+ function vert( x, y, z ) {
+
+ return scope.vertices.push( new THREE.Vector3( x, y, z ) ) - 1;
+
+ }
+
+ function getPos( u, v, in_q, in_p, radius, heightScale ) {
+
+ var cu = Math.cos( u );
+ var cv = Math.cos( v );
+ var su = Math.sin( u );
+ var quOverP = in_q / in_p * u;
+ var cs = Math.cos( quOverP );
+
+ var tx = radius * ( 2 + cs ) * 0.5 * cu;
+ var ty = radius * ( 2 + cs ) * su * 0.5;
+ var tz = heightScale * radius * Math.sin( quOverP ) * 0.5;
+
+ return new THREE.Vector3( tx, ty, tz );
+
+ }
+
+};
+
+THREE.TorusKnotGeometry.prototype = new THREE.Geometry();
+THREE.TorusKnotGeometry.prototype.constructor = THREE.TorusKnotGeometry;
+/**
+ * @author WestLangley / https://github.com/WestLangley
+ * @author zz85 / https://github.com/zz85
+ * @author miningold / https://github.com/miningold
+ *
+ * Modified from the TorusKnotGeometry by @oosmoxiecode
+ *
+ * Creates a tube which extrudes along a 3d spline
+ *
+ * Uses parallel transport frames as described in
+ * http://www.cs.indiana.edu/pub/techreports/TR425.pdf
+ */
+
+THREE.TubeGeometry = function( path, segments, radius, segmentsRadius, closed, debug ) {
+
+ THREE.Geometry.call( this );
+
+ this.path = path;
+ this.segments = segments || 64;
+ this.radius = radius || 1;
+ this.segmentsRadius = segmentsRadius || 8;
+ this.closed = closed || false;
+ if ( debug ) this.debug = new THREE.Object3D();
+
+ this.grid = [];
+
+ var scope = this,
+
+ tangent,
+ normal,
+ binormal,
+
+ numpoints = this.segments + 1,
+
+ x, y, z,
+ tx, ty, tz,
+ u, v,
+
+ cx, cy,
+ pos, pos2 = new THREE.Vector3(),
+ i, j,
+ ip, jp,
+ a, b, c, d,
+ uva, uvb, uvc, uvd;
+
+ var frames = new THREE.TubeGeometry.FrenetFrames(path, segments, closed),
+ tangents = frames.tangents,
+ normals = frames.normals,
+ binormals = frames.binormals;
+
+ // proxy internals
+ this.tangents = tangents;
+ this.normals = normals;
+ this.binormals = binormals;
+
+
+ function vert( x, y, z ) {
+
+ return scope.vertices.push( new THREE.Vector3( x, y, z ) ) - 1;
+
+ }
+
+
+
+
+ // consruct the grid
+
+ for ( i = 0; i < numpoints; i++ ) {
+
+ this.grid[ i ] = [];
+
+ u = i / ( numpoints - 1 );
+
+ pos = path.getPointAt( u );
+
+ tangent = tangents[ i ];
+ normal = normals[ i ];
+ binormal = binormals[ i ];
+
+ if ( this.debug ) {
+
+ this.debug.add(new THREE.ArrowHelper(tangent, pos, radius, 0x0000ff));
+ this.debug.add(new THREE.ArrowHelper(normal, pos, radius, 0xff0000));
+ this.debug.add(new THREE.ArrowHelper(binormal, pos, radius, 0x00ff00));
+
+ }
+
+ for ( j = 0; j < this.segmentsRadius; j++ ) {
+
+ v = j / this.segmentsRadius * 2 * Math.PI;
+
+ cx = -this.radius * Math.cos( v ); // TODO: Hack: Negating it so it faces outside.
+ cy = this.radius * Math.sin( v );
+
+ pos2.copy( pos );
+ pos2.x += cx * normal.x + cy * binormal.x;
+ pos2.y += cx * normal.y + cy * binormal.y;
+ pos2.z += cx * normal.z + cy * binormal.z;
+
+ this.grid[ i ][ j ] = vert( pos2.x, pos2.y, pos2.z );
+
+ }
+ }
+
+
+ // construct the mesh
+
+ for ( i = 0; i < this.segments; i++ ) {
+
+ for ( j = 0; j < this.segmentsRadius; j++ ) {
+
+ ip = ( closed ) ? (i + 1) % this.segments : i + 1;
+ jp = (j + 1) % this.segmentsRadius;
+
+ a = this.grid[ i ][ j ]; // *** NOT NECESSARILY PLANAR ! ***
+ b = this.grid[ ip ][ j ];
+ c = this.grid[ ip ][ jp ];
+ d = this.grid[ i ][ jp ];
+
+ uva = new THREE.UV( i / this.segments, j / this.segmentsRadius );
+ uvb = new THREE.UV( ( i + 1 ) / this.segments, j / this.segmentsRadius );
+ uvc = new THREE.UV( ( i + 1 ) / this.segments, ( j + 1 ) / this.segmentsRadius );
+ uvd = new THREE.UV( i / this.segments, ( j + 1 ) / this.segmentsRadius );
+
+ this.faces.push( new THREE.Face4( a, b, c, d ) );
+ this.faceVertexUvs[ 0 ].push( [ uva, uvb, uvc, uvd ] );
+
+ }
+ }
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+ this.computeVertexNormals();
+
+};
+
+THREE.TubeGeometry.prototype = new THREE.Geometry();
+THREE.TubeGeometry.prototype.constructor = THREE.TubeGeometry;
+
+
+// For computing of Frenet frames, exposing the tangents, normals and binormals the spline
+THREE.TubeGeometry.FrenetFrames = function(path, segments, closed) {
+
+ var
+ tangent = new THREE.Vector3(),
+ normal = new THREE.Vector3(),
+ binormal = new THREE.Vector3(),
+
+ tangents = [],
+ normals = [],
+ binormals = [],
+
+ vec = new THREE.Vector3(),
+ mat = new THREE.Matrix4(),
+
+ numpoints = segments + 1,
+ theta,
+ epsilon = 0.0001,
+ smallest,
+
+ tx, ty, tz,
+ i, u, v;
+
+
+ // expose internals
+ this.tangents = tangents;
+ this.normals = normals;
+ this.binormals = binormals;
+
+ // compute the tangent vectors for each segment on the path
+
+ for ( i = 0; i < numpoints; i++ ) {
+
+ u = i / ( numpoints - 1 );
+
+ tangents[ i ] = path.getTangentAt( u );
+ tangents[ i ].normalize();
+
+ }
+
+ initialNormal3();
+
+ function initialNormal1(lastBinormal) {
+ // fixed start binormal. Has dangers of 0 vectors
+ normals[ 0 ] = new THREE.Vector3();
+ binormals[ 0 ] = new THREE.Vector3();
+ if (lastBinormal===undefined) lastBinormal = new THREE.Vector3( 0, 0, 1 );
+ normals[ 0 ].cross( lastBinormal, tangents[ 0 ] ).normalize();
+ binormals[ 0 ].cross( tangents[ 0 ], normals[ 0 ] ).normalize();
+ }
+
+ function initialNormal2() {
+
+ // This uses the Frenet-Serret formula for deriving binormal
+ var t2 = path.getTangentAt( epsilon );
+
+ normals[ 0 ] = new THREE.Vector3().sub( t2, tangents[ 0 ] ).normalize();
+ binormals[ 0 ] = new THREE.Vector3().cross( tangents[ 0 ], normals[ 0 ] );
+
+ normals[ 0 ].cross( binormals[ 0 ], tangents[ 0 ] ).normalize(); // last binormal x tangent
+ binormals[ 0 ].cross( tangents[ 0 ], normals[ 0 ] ).normalize();
+
+ }
+
+ function initialNormal3() {
+ // select an initial normal vector perpenicular to the first tangent vector,
+ // and in the direction of the smallest tangent xyz component
+
+ normals[ 0 ] = new THREE.Vector3();
+ binormals[ 0 ] = new THREE.Vector3();
+ smallest = Number.MAX_VALUE;
+ tx = Math.abs( tangents[ 0 ].x );
+ ty = Math.abs( tangents[ 0 ].y );
+ tz = Math.abs( tangents[ 0 ].z );
+
+ if ( tx <= smallest ) {
+ smallest = tx;
+ normal.set( 1, 0, 0 );
+ }
+
+ if ( ty <= smallest ) {
+ smallest = ty;
+ normal.set( 0, 1, 0 );
+ }
+
+ if ( tz <= smallest ) {
+ normal.set( 0, 0, 1 );
+ }
+
+ vec.cross( tangents[ 0 ], normal ).normalize();
+
+ normals[ 0 ].cross( tangents[ 0 ], vec );
+ binormals[ 0 ].cross( tangents[ 0 ], normals[ 0 ] );
+ }
+
+
+ // compute the slowly-varying normal and binormal vectors for each segment on the path
+
+ for ( i = 1; i < numpoints; i++ ) {
+
+ normals[ i ] = normals[ i-1 ].clone();
+
+ binormals[ i ] = binormals[ i-1 ].clone();
+
+ vec.cross( tangents[ i-1 ], tangents[ i ] );
+
+ if ( vec.length() > epsilon ) {
+
+ vec.normalize();
+
+ theta = Math.acos( tangents[ i-1 ].dot( tangents[ i ] ) );
+
+ mat.makeRotationAxis( vec, theta ).multiplyVector3( normals[ i ] );
+
+ }
+
+ binormals[ i ].cross( tangents[ i ], normals[ i ] );
+
+ }
+
+
+ // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same
+
+ if ( closed ) {
+
+ theta = Math.acos( normals[ 0 ].dot( normals[ numpoints-1 ] ) );
+ theta /= ( numpoints - 1 );
+
+ if ( tangents[ 0 ].dot( vec.cross( normals[ 0 ], normals[ numpoints-1 ] ) ) > 0 ) {
+
+ theta = -theta;
+
+ }
+
+ for ( i = 1; i < numpoints; i++ ) {
+
+ // twist a little...
+ mat.makeRotationAxis( tangents[ i ], theta * i ).multiplyVector3( normals[ i ] );
+ binormals[ i ].cross( tangents[ i ], normals[ i ] );
+
+ }
+
+ }
+};
+/**
+ * @author clockworkgeek / https://github.com/clockworkgeek
+ * @author timothypratley / https://github.com/timothypratley
+ */
+
+THREE.PolyhedronGeometry = function ( vertices, faces, radius, detail ) {
+
+ THREE.Geometry.call( this );
+
+ radius = radius || 1;
+ detail = detail || 0;
+
+ var that = this;
+
+ for ( var i = 0, l = vertices.length; i < l; i ++ ) {
+
+ prepare( new THREE.Vector3( vertices[ i ][ 0 ], vertices[ i ][ 1 ], vertices[ i ][ 2 ] ) );
+
+ }
+
+ var midpoints = [], p = this.vertices;
+
+ for ( var i = 0, l = faces.length; i < l; i ++ ) {
+
+ make( p[ faces[ i ][ 0 ] ], p[ faces[ i ][ 1 ] ], p[ faces[ i ][ 2 ] ], detail );
+
+ }
+
+ this.mergeVertices();
+
+ // Apply radius
+
+ for ( var i = 0, l = this.vertices.length; i < l; i ++ ) {
+
+ this.vertices[ i ].multiplyScalar( radius );
+
+ }
+
+ /**
+ * Project vector onto sphere's surface
+ */
+ function prepare( vector ) {
+
+ var vertex = vector.normalize().clone();
+ vertex.index = that.vertices.push( vertex ) - 1;
+
+ // Texture coords are equivalent to map coords, calculate angle and convert to fraction of a circle.
+ var u = azimuth( vector ) / 2 / Math.PI + 0.5;
+ var v = inclination( vector ) / Math.PI + 0.5;
+ vertex.uv = new THREE.UV( u, v );
+
+ return vertex;
+
+ }
+
+ /**
+ * Approximate a curved face with recursively sub-divided triangles.
+ */
+ function make( v1, v2, v3, detail ) {
+
+ if ( detail < 1 ) {
+
+ var face = new THREE.Face3( v1.index, v2.index, v3.index, [ v1.clone(), v2.clone(), v3.clone() ] );
+ face.centroid.addSelf( v1 ).addSelf( v2 ).addSelf( v3 ).divideScalar( 3 );
+ face.normal = face.centroid.clone().normalize();
+ that.faces.push( face );
+
+ var azi = azimuth( face.centroid );
+ that.faceVertexUvs[ 0 ].push( [
+ correctUV( v1.uv, v1, azi ),
+ correctUV( v2.uv, v2, azi ),
+ correctUV( v3.uv, v3, azi )
+ ] );
+
+ }
+ else {
+
+ detail -= 1;
+ // split triangle into 4 smaller triangles
+ make( v1, midpoint( v1, v2 ), midpoint( v1, v3 ), detail ); // top quadrant
+ make( midpoint( v1, v2 ), v2, midpoint( v2, v3 ), detail ); // left quadrant
+ make( midpoint( v1, v3 ), midpoint( v2, v3 ), v3, detail ); // right quadrant
+ make( midpoint( v1, v2 ), midpoint( v2, v3 ), midpoint( v1, v3 ), detail ); // center quadrant
+
+ }
+
+ }
+
+ function midpoint( v1, v2 ) {
+
+ if ( !midpoints[ v1.index ] ) midpoints[ v1.index ] = [];
+ if ( !midpoints[ v2.index ] ) midpoints[ v2.index ] = [];
+ var mid = midpoints[ v1.index ][ v2.index ];
+ if ( mid === undefined ) {
+ // generate mean point and project to surface with prepare()
+ midpoints[ v1.index ][ v2.index ] = midpoints[ v2.index ][ v1.index ] = mid = prepare(
+ new THREE.Vector3().add( v1, v2 ).divideScalar( 2 )
+ );
+ }
+ return mid;
+
+ }
+
+ /**
+ * Angle around the Y axis, counter-clockwise when looking from above.
+ */
+ function azimuth( vector ) {
+
+ return Math.atan2( vector.z, -vector.x );
+
+ }
+
+ /**
+ * Angle above the XZ plane.
+ */
+ function inclination( vector ) {
+
+ return Math.atan2( -vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );
+
+ }
+
+ /**
+ * Texture fixing helper. Spheres have some odd behaviours.
+ */
+ function correctUV( uv, vector, azimuth ) {
+
+ if ( (azimuth < 0) && (uv.u === 1) ) uv = new THREE.UV( uv.u - 1, uv.v );
+ if ( (vector.x === 0) && (vector.z === 0) ) uv = new THREE.UV( azimuth / 2 / Math.PI + 0.5, uv.v );
+ return uv;
+
+ }
+
+ this.computeCentroids();
+
+ this.boundingSphere = { radius: radius };
+
+};
+
+THREE.PolyhedronGeometry.prototype = new THREE.Geometry();
+THREE.PolyhedronGeometry.prototype.constructor = THREE.PolyhedronGeometry;
+/**
+ * @author timothypratley / https://github.com/timothypratley
+ */
+
+THREE.IcosahedronGeometry = function ( radius, detail ) {
+
+ var t = ( 1 + Math.sqrt( 5 ) ) / 2;
+
+ var vertices = [
+ [ -1, t, 0 ], [ 1, t, 0 ], [ -1, -t, 0 ], [ 1, -t, 0 ],
+ [ 0, -1, t ], [ 0, 1, t ], [ 0, -1, -t ], [ 0, 1, -t ],
+ [ t, 0, -1 ], [ t, 0, 1 ], [ -t, 0, -1 ], [ -t, 0, 1 ]
+ ];
+
+ var faces = [
+ [ 0, 11, 5 ], [ 0, 5, 1 ], [ 0, 1, 7 ], [ 0, 7, 10 ], [ 0, 10, 11 ],
+ [ 1, 5, 9 ], [ 5, 11, 4 ], [ 11, 10, 2 ], [ 10, 7, 6 ], [ 7, 1, 8 ],
+ [ 3, 9, 4 ], [ 3, 4, 2 ], [ 3, 2, 6 ], [ 3, 6, 8 ], [ 3, 8, 9 ],
+ [ 4, 9, 5 ], [ 2, 4, 11 ], [ 6, 2, 10 ], [ 8, 6, 7 ], [ 9, 8, 1 ]
+ ];
+
+ THREE.PolyhedronGeometry.call( this, vertices, faces, radius, detail );
+
+};
+THREE.IcosahedronGeometry.prototype = new THREE.Geometry();
+THREE.IcosahedronGeometry.prototype.constructor = THREE.IcosahedronGeometry;
+/**
+ * @author timothypratley / https://github.com/timothypratley
+ */
+
+THREE.OctahedronGeometry = function ( radius, detail ) {
+
+ var vertices = [
+ [ 1, 0, 0 ], [ -1, 0, 0 ], [ 0, 1, 0 ], [ 0, -1, 0 ], [ 0, 0, 1 ], [ 0, 0, -1 ]
+ ];
+
+ var faces = [
+ [ 0, 2, 4 ], [ 0, 4, 3 ], [ 0, 3, 5 ], [ 0, 5, 2 ], [ 1, 2, 5 ], [ 1, 5, 3 ], [ 1, 3, 4 ], [ 1, 4, 2 ]
+ ];
+
+ THREE.PolyhedronGeometry.call( this, vertices, faces, radius, detail );
+};
+THREE.OctahedronGeometry.prototype = new THREE.Geometry();
+THREE.OctahedronGeometry.prototype.constructor = THREE.OctahedronGeometry;
+/**
+ * @author timothypratley / https://github.com/timothypratley
+ */
+
+THREE.TetrahedronGeometry = function ( radius, detail ) {
+
+ var vertices = [
+ [ 1, 1, 1 ], [ -1, -1, 1 ], [ -1, 1, -1 ], [ 1, -1, -1 ]
+ ];
+
+ var faces = [
+ [ 2, 1, 0 ], [ 0, 3, 2 ], [ 1, 3, 0 ], [ 2, 3, 1 ]
+ ];
+
+ THREE.PolyhedronGeometry.call( this, vertices, faces, radius, detail );
+
+};
+THREE.TetrahedronGeometry.prototype = new THREE.Geometry();
+THREE.TetrahedronGeometry.prototype.constructor = THREE.TetrahedronGeometry;
+/**
+ * @author zz85 / https://github.com/zz85
+ * Parametric Surfaces Geometry
+ * based on the brilliant article by @prideout http://prideout.net/blog/?p=44
+ *
+ * new THREE.ParametricGeometry( parametricFunction, uSements, ySegements, useTris );
+ *
+ */
+
+THREE.ParametricGeometry = function ( func, slices, stacks, useTris ) {
+
+ THREE.Geometry.call( this );
+
+ var verts = this.vertices;
+ var faces = this.faces;
+ var uvs = this.faceVertexUvs[ 0 ];
+
+ useTris = (useTris === undefined) ? false : useTris;
+
+ var i, il, j, p;
+ var u, v;
+
+ var stackCount = stacks + 1;
+ var sliceCount = slices + 1;
+
+ for ( i = 0; i <= stacks; i ++ ) {
+
+ v = i / stacks;
+
+ for ( j = 0; j <= slices; j ++ ) {
+
+ u = j / slices;
+
+ p = func( u, v );
+ verts.push( p );
+
+ }
+ }
+
+ var a, b, c, d;
+ var uva, uvb, uvc, uvd;
+
+ for ( i = 0; i < stacks; i ++ ) {
+ for ( j = 0; j < slices; j ++ ) {
+
+ a = i * sliceCount + j;
+ b = i * sliceCount + j + 1;
+ c = (i + 1) * sliceCount + j;
+ d = (i + 1) * sliceCount + j + 1;
+
+ uva = new THREE.UV( i / slices, j / stacks );
+ uvb = new THREE.UV( i / slices, ( j + 1 ) / stacks );
+ uvc = new THREE.UV( ( i + 1 ) / slices, j / stacks );
+ uvd = new THREE.UV( ( i + 1 ) / slices, ( j + 1 ) / stacks );
+
+ if ( useTris ) {
+
+ faces.push( new THREE.Face3( a, b, c ) );
+ faces.push( new THREE.Face3( b, d, c ) );
+
+ uvs.push( [ uva, uvb, uvc ] );
+ uvs.push( [ uvb, uvd, uvc ] );
+
+ } else {
+
+ faces.push( new THREE.Face4( a, b, d, c ) );
+ uvs.push( [ uva, uvb, uvc, uvd ] );
+
+ }
+
+ }
+
+ }
+
+ // console.log(this);
+
+ // magic bullet
+ // var diff = this.mergeVertices();
+ // console.log('removed ', diff, ' vertices by merging');
+
+ this.computeCentroids();
+ this.computeFaceNormals();
+ this.computeVertexNormals();
+
+};
+
+THREE.ParametricGeometry.prototype = new THREE.Geometry();
+THREE.ParametricGeometry.prototype.constructor = THREE.ParametricGeometry;
+/**
+ * @author sroucheray / http://sroucheray.org/
+ * @author mr.doob / http://mrdoob.com/
+ */
+
+THREE.AxisHelper = function () {
+
+ THREE.Object3D.call( this );
+
+ var lineGeometry = new THREE.Geometry();
+ lineGeometry.vertices.push( new THREE.Vector3() );
+ lineGeometry.vertices.push( new THREE.Vector3( 0, 100, 0 ) );
+
+ var coneGeometry = new THREE.CylinderGeometry( 0, 5, 25, 5, 1 );
+
+ var line, cone;
+
+ // x
+
+ line = new THREE.Line( lineGeometry, new THREE.LineBasicMaterial( { color : 0xff0000 } ) );
+ line.rotation.z = - Math.PI / 2;
+ this.add( line );
+
+ cone = new THREE.Mesh( coneGeometry, new THREE.MeshBasicMaterial( { color : 0xff0000 } ) );
+ cone.position.x = 100;
+ cone.rotation.z = - Math.PI / 2;
+ this.add( cone );
+
+ // y
+
+ line = new THREE.Line( lineGeometry, new THREE.LineBasicMaterial( { color : 0x00ff00 } ) );
+ this.add( line );
+
+ cone = new THREE.Mesh( coneGeometry, new THREE.MeshBasicMaterial( { color : 0x00ff00 } ) );
+ cone.position.y = 100;
+ this.add( cone );
+
+ // z
+
+ line = new THREE.Line( lineGeometry, new THREE.LineBasicMaterial( { color : 0x0000ff } ) );
+ line.rotation.x = Math.PI / 2;
+ this.add( line );
+
+ cone = new THREE.Mesh( coneGeometry, new THREE.MeshBasicMaterial( { color : 0x0000ff } ) );
+ cone.position.z = 100;
+ cone.rotation.x = Math.PI / 2;
+ this.add( cone );
+
+};
+
+THREE.AxisHelper.prototype = new THREE.Object3D();
+THREE.AxisHelper.prototype.constructor = THREE.AxisHelper;
+/**
+ * @author WestLangley / https://github.com/WestLangley
+ * @author zz85 / https://github.com/zz85
+ *
+ * Creates an arrow for visualizing directions
+ *
+ * Parameters:
+ * dir - Vector3
+ * origin - Vector3
+ * length - Number
+ * hex - color in hex value
+ */
+
+THREE.ArrowHelper = function ( dir, origin, length, hex ) {
+
+ THREE.Object3D.call( this );
+
+ if ( hex === undefined ) hex = 0xffff00;
+ if ( length === undefined ) length = 20;
+
+ var lineGeometry = new THREE.Geometry();
+ lineGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ) );
+ lineGeometry.vertices.push( new THREE.Vector3( 0, 1, 0 ) );
+
+ this.line = new THREE.Line( lineGeometry, new THREE.LineBasicMaterial( { color: hex } ) );
+ this.add( this.line );
+
+ var coneGeometry = new THREE.CylinderGeometry( 0, 0.05, 0.25, 5, 1 );
+
+ this.cone = new THREE.Mesh( coneGeometry, new THREE.MeshBasicMaterial( { color: hex } ) );
+ this.cone.position.set( 0, 1, 0 );
+ this.add( this.cone );
+
+ if ( origin instanceof THREE.Vector3 ) this.position = origin;
+
+ this.setDirection( dir );
+ this.setLength( length );
+
+};
+
+THREE.ArrowHelper.prototype = new THREE.Object3D();
+THREE.ArrowHelper.prototype.constructor = THREE.ArrowHelper;
+
+THREE.ArrowHelper.prototype.setDirection = function ( dir ) {
+
+ var axis = new THREE.Vector3( 0, 1, 0 ).crossSelf( dir );
+
+ var radians = Math.acos( new THREE.Vector3( 0, 1, 0 ).dot( dir.clone().normalize() ) );
+
+ this.matrix = new THREE.Matrix4().makeRotationAxis( axis.normalize(), radians );
+
+ this.rotation.getRotationFromMatrix( this.matrix, this.scale );
+
+};
+
+THREE.ArrowHelper.prototype.setLength = function ( length ) {
+
+ this.scale.set( length, length, length );
+
+};
+
+THREE.ArrowHelper.prototype.setColor = function ( hex ) {
+
+ this.line.material.color.setHex( hex );
+ this.cone.material.color.setHex( hex );
+
+};
+/**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * - shows frustum, line of sight and up of the camera
+ * - suitable for fast updates
+ * - based on frustum visualization in lightgl.js shadowmap example
+ * http://evanw.github.com/lightgl.js/tests/shadowmap.html
+ */
+
+THREE.CameraHelper = function ( camera ) {
+
+ THREE.Object3D.call( this );
+
+ var _this = this;
+
+ this.lineGeometry = new THREE.Geometry();
+ this.lineMaterial = new THREE.LineBasicMaterial( { color: 0xffffff, vertexColors: THREE.FaceColors } );
+
+ this.pointMap = {};
+
+ // colors
+
+ var hexFrustum = 0xffaa00,
+ hexCone = 0xff0000,
+ hexUp = 0x00aaff,
+ hexTarget = 0xffffff,
+ hexCross = 0x333333;
+
+ // near
+
+ addLine( "n1", "n2", hexFrustum );
+ addLine( "n2", "n4", hexFrustum );
+ addLine( "n4", "n3", hexFrustum );
+ addLine( "n3", "n1", hexFrustum );
+
+ // far
+
+ addLine( "f1", "f2", hexFrustum );
+ addLine( "f2", "f4", hexFrustum );
+ addLine( "f4", "f3", hexFrustum );
+ addLine( "f3", "f1", hexFrustum );
+
+ // sides
+
+ addLine( "n1", "f1", hexFrustum );
+ addLine( "n2", "f2", hexFrustum );
+ addLine( "n3", "f3", hexFrustum );
+ addLine( "n4", "f4", hexFrustum );
+
+ // cone
+
+ addLine( "p", "n1", hexCone );
+ addLine( "p", "n2", hexCone );
+ addLine( "p", "n3", hexCone );
+ addLine( "p", "n4", hexCone );
+
+ // up
+
+ addLine( "u1", "u2", hexUp );
+ addLine( "u2", "u3", hexUp );
+ addLine( "u3", "u1", hexUp );
+
+ // target
+
+ addLine( "c", "t", hexTarget );
+ addLine( "p", "c", hexCross );
+
+ // cross
+
+ addLine( "cn1", "cn2", hexCross );
+ addLine( "cn3", "cn4", hexCross );
+
+ addLine( "cf1", "cf2", hexCross );
+ addLine( "cf3", "cf4", hexCross );
+
+ this.camera = camera;
+
+ function addLine( a, b, hex ) {
+
+ addPoint( a, hex );
+ addPoint( b, hex );
+
+ }
+
+ function addPoint( id, hex ) {
+
+ _this.lineGeometry.vertices.push( new THREE.Vector3() );
+ _this.lineGeometry.colors.push( new THREE.Color( hex ) );
+
+ if ( _this.pointMap[ id ] === undefined ) _this.pointMap[ id ] = [];
+ _this.pointMap[ id ].push( _this.lineGeometry.vertices.length - 1 );
+
+ }
+
+ this.update( camera );
+
+ this.lines = new THREE.Line( this.lineGeometry, this.lineMaterial, THREE.LinePieces );
+ this.add( this.lines );
+
+};
+
+THREE.CameraHelper.prototype = new THREE.Object3D();
+THREE.CameraHelper.prototype.constructor = THREE.CameraHelper;
+
+THREE.CameraHelper.prototype.update = function () {
+
+ var camera = this.camera;
+
+ var w = 1;
+ var h = 1;
+
+ var _this = this;
+
+ // we need just camera projection matrix
+ // world matrix must be identity
+
+ THREE.CameraHelper.__c.projectionMatrix.copy( camera.projectionMatrix );
+
+ // center / target
+
+ setPoint( "c", 0, 0, -1 );
+ setPoint( "t", 0, 0, 1 );
+
+ // near
+
+ setPoint( "n1", -w, -h, -1 );
+ setPoint( "n2", w, -h, -1 );
+ setPoint( "n3", -w, h, -1 );
+ setPoint( "n4", w, h, -1 );
+
+ // far
+
+ setPoint( "f1", -w, -h, 1 );
+ setPoint( "f2", w, -h, 1 );
+ setPoint( "f3", -w, h, 1 );
+ setPoint( "f4", w, h, 1 );
+
+ // up
+
+ setPoint( "u1", w * 0.7, h * 1.1, -1 );
+ setPoint( "u2", -w * 0.7, h * 1.1, -1 );
+ setPoint( "u3", 0, h * 2, -1 );
+
+ // cross
+
+ setPoint( "cf1", -w, 0, 1 );
+ setPoint( "cf2", w, 0, 1 );
+ setPoint( "cf3", 0, -h, 1 );
+ setPoint( "cf4", 0, h, 1 );
+
+ setPoint( "cn1", -w, 0, -1 );
+ setPoint( "cn2", w, 0, -1 );
+ setPoint( "cn3", 0, -h, -1 );
+ setPoint( "cn4", 0, h, -1 );
+
+ function setPoint( point, x, y, z ) {
+
+ THREE.CameraHelper.__v.set( x, y, z );
+ THREE.CameraHelper.__projector.unprojectVector( THREE.CameraHelper.__v, THREE.CameraHelper.__c );
+
+ var points = _this.pointMap[ point ];
+
+ if ( points !== undefined ) {
+
+ for ( var i = 0, il = points.length; i < il; i ++ ) {
+
+ var j = points[ i ];
+ _this.lineGeometry.vertices[ j ].copy( THREE.CameraHelper.__v );
+
+ }
+
+ }
+
+ }
+
+ this.lineGeometry.verticesNeedUpdate = true;
+
+};
+
+THREE.CameraHelper.__projector = new THREE.Projector();
+THREE.CameraHelper.__v = new THREE.Vector3();
+THREE.CameraHelper.__c = new THREE.Camera();
+
+/*
+ * @author zz85 / http://twitter.com/blurspline / http://www.lab4games.net/zz85/blog
+ *
+ * Subdivision Geometry Modifier
+ * using Catmull-Clark Subdivision Surfaces
+ * for creating smooth geometry meshes
+ *
+ * Note: a modifier modifies vertices and faces of geometry,
+ * so use THREE.GeometryUtils.clone() if orignal geoemtry needs to be retained
+ *
+ * Readings:
+ * http://en.wikipedia.org/wiki/Catmull%E2%80%93Clark_subdivision_surface
+ * http://www.rorydriscoll.com/2008/08/01/catmull-clark-subdivision-the-basics/
+ * http://xrt.wikidot.com/blog:31
+ * "Subdivision Surfaces in Character Animation"
+ *
+ * Supports:
+ * Closed and Open geometries.
+ *
+ * TODO:
+ * crease vertex and "semi-sharp" features
+ * selective subdivision
+ */
+
+THREE.SubdivisionModifier = function( subdivisions ) {
+
+ this.subdivisions = (subdivisions === undefined ) ? 1 : subdivisions;
+
+ // Settings
+ this.useOldVertexColors = false;
+ this.supportUVs = true;
+ this.debug = false;
+
+};
+
+//THREE.SubdivisionModifier.prototype = new THREE.Modifier();
+
+THREE.SubdivisionModifier.prototype.constructor = THREE.SubdivisionModifier;
+
+// Applies the "modify" pattern
+THREE.SubdivisionModifier.prototype.modify = function ( geometry ) {
+
+ var repeats = this.subdivisions;
+
+ while ( repeats-- > 0 ) {
+ this.smooth( geometry );
+ }
+
+};
+
+// Performs an iteration of Catmull-Clark Subdivision
+THREE.SubdivisionModifier.prototype.smooth = function ( oldGeometry ) {
+
+ //debug( 'running smooth' );
+
+ // New set of vertices, faces and uvs
+ var newVertices = [], newFaces = [], newUVs = [];
+
+ function v( x, y, z ) {
+ newVertices.push( new THREE.Vector3( x, y, z ) );
+ }
+
+ var scope = this;
+
+ function debug() {
+ if (scope.debug) console.log.apply(console, arguments);
+ }
+
+ function warn() {
+ if (console)
+ console.log.apply(console, arguments);
+ }
+
+ function f4( a, b, c, d, oldFace, orders, facei ) {
+
+ // TODO move vertex selection over here!
+
+ var newFace = new THREE.Face4( a, b, c, d, null, oldFace.color, oldFace.material );
+
+ if (scope.useOldVertexColors) {
+
+ newFace.vertexColors = [];
+
+ var color, tmpColor, order;
+ for (var i=0;i<4;i++) {
+ order = orders[i];
+
+ color = new THREE.Color(),
+ color.setRGB(0,0,0);
+
+ for (var j=0, jl=0; j face map
+
+ for( i = 0, il = geometry.faces.length; i < il; i ++ ) {
+
+ face = geometry.faces[ i ];
+
+ if ( face instanceof THREE.Face3 ) {
+
+ hash = edge_hash( face.a, face.b );
+ mapEdgeHash( hash, i );
+
+ hash = edge_hash( face.b, face.c );
+ mapEdgeHash( hash, i );
+
+ hash = edge_hash( face.c, face.a );
+ mapEdgeHash( hash, i );
+
+ } else if ( face instanceof THREE.Face4 ) {
+
+ hash = edge_hash( face.a, face.b );
+ mapEdgeHash( hash, i );
+
+ hash = edge_hash( face.b, face.c );
+ mapEdgeHash( hash, i );
+
+ hash = edge_hash( face.c, face.d );
+ mapEdgeHash( hash, i );
+
+ hash = edge_hash( face.d, face.a );
+ mapEdgeHash( hash, i );
+
+ }
+
+ }
+
+ // extract faces
+
+ // var edges = [];
+ //
+ // var numOfEdges = 0;
+ // for (i in edgeFaceMap) {
+ // numOfEdges++;
+ //
+ // edge = edgeFaceMap[i];
+ // edges.push(edge);
+ //
+ // }
+
+ //debug('edgeFaceMap', edgeFaceMap, 'geometry.edges',geometry.edges, 'numOfEdges', numOfEdges);
+
+ return edgeFaceMap;
+
+ }
+
+ var originalPoints = oldGeometry.vertices;
+ var originalFaces = oldGeometry.faces;
+
+ var newPoints = originalPoints.concat(); // Vertices
+
+ var facePoints = [], edgePoints = {};
+
+ var sharpEdges = {}, sharpVertices = [], sharpFaces = [];
+
+ var uvForVertices = {}; // Stored in {vertex}:{old face} format
+
+ var originalVerticesLength = originalPoints.length;
+
+ function getUV(vertexNo, oldFaceNo) {
+ var j,jl;
+
+ var key = vertexNo+':'+oldFaceNo;
+ var theUV = uvForVertices[key];
+
+ if (!theUV) {
+ if (vertexNo>=originalVerticesLength && vertexNo < (originalVerticesLength + originalFaces.length)) {
+ debug('face pt');
+ } else {
+ debug('edge pt');
+ }
+
+ warn('warning, UV not found for', key);
+
+ return null;
+ }
+
+ return theUV;
+
+ // Original faces -> Vertex Nos.
+ // new Facepoint -> Vertex Nos.
+ // edge Points
+
+ }
+
+ function addUV(vertexNo, oldFaceNo, value) {
+
+ var key = vertexNo+':'+oldFaceNo;
+ if (!(key in uvForVertices)) {
+ uvForVertices[key] = value;
+ } else {
+ warn('dup vertexNo', vertexNo, 'oldFaceNo', oldFaceNo, 'value', value, 'key', key, uvForVertices[key]);
+ }
+ }
+
+ // Step 1
+ // For each face, add a face point
+ // Set each face point to be the centroid of all original points for the respective face.
+ // debug(oldGeometry);
+ var i, il, j, jl, face;
+
+ // For Uvs
+ var uvs = oldGeometry.faceVertexUvs[0];
+ var abcd = 'abcd', vertice;
+
+ debug('originalFaces, uvs, originalVerticesLength', originalFaces.length, uvs.length, originalVerticesLength);
+ if (scope.supportUVs)
+ for (i=0, il = uvs.length; i