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65 lines
No EOL
1.9 KiB
JavaScript
65 lines
No EOL
1.9 KiB
JavaScript
define(["Chuck/Settings", "Box2D/Box2D"], function(Settings, Box2D){
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function Engine () {
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this._world;
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this.init();
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}
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Engine.prototype.init = function() {
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this._world = new Box2D.Dynamics.b2World(new Box2D.Common.Math.b2Vec2(0, Settings.BOX2D_GRAVITY), Settings.BOX2D_ALLOW_SLEEP);
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if(Settings.IS_BROWSER_ENVIRONMENT) {
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this.setupDebugDraw();
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}
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}
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Engine.prototype.getWorld = function() {
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return this._world;
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}
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Engine.prototype.setCollisionDetector = function(me) {
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/*
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var cd = new Chuck.Collision.Detector(me);
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var listener = cd.getListener();
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this._world.SetContactListener(listener);*/
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}
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Engine.prototype.setupDebugDraw = function() {
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//var debugSprite = Settings.DEBUG_DRAW_CANVAS_SPRITE;
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var debugSprite = document.getElementById("canvas").getContext("2d");
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// set debug draw
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var debugDraw = new Box2D.Dynamics.b2DebugDraw();
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debugDraw.SetSprite(debugSprite);
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debugDraw.SetDrawScale(Settings.RATIO);
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debugDraw.SetDrawScale(30.0);
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debugDraw.SetFillAlpha(0.5);
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debugDraw.SetLineThickness(1.0);
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debugDraw.SetFlags(null
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| Box2D.Dynamics.b2DebugDraw.e_shapeBit
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| Box2D.Dynamics.b2DebugDraw.e_jointBit
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//| Box2D.Dynamics.b2DebugDraw.e_coreShapeBit
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//| Box2D.Dynamics.b2DebugDraw.e_aabbBit
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//| Box2D.Dynamics.b2DebugDraw.e_centerOfMassBit
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//| Box2D.Dynamics.b2DebugDraw.e_obbBit
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//| Box2D.Dynamics.b2DebugDraw.e_pairBit
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);
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this._world.SetDebugDraw(debugDraw);
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this._world.SetWarmStarting(true);
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}
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Engine.prototype.createBody = function(bodyDef) {
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return this._world.CreateBody(bodyDef);
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}
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Engine.prototype.update = function() {
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this._world.Step(Settings.BOX2D_TIME_STEP, Settings.BOX2D_VELOCITY_ITERATIONS, Settings.BOX2D_POSITION_ITERATIONS);
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this._world.ClearForces();
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this._world.DrawDebugData();
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}
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return Engine;
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}) |