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rebuilt skateboard without joints
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parent
97da7770d0
commit
da62339a95
2 changed files with 118 additions and 19 deletions
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@ -5,6 +5,104 @@ define([
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"Lib/Utilities/Assert"
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],
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function (Parent, Box2D, Settings, Assert) {
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"use strict";
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function Skateboard(physicsEngine, uid, options) {
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Parent.call(this, physicsEngine, uid, options);
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}
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Skateboard.prototype = Object.create(Parent.prototype);
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Skateboard.prototype.createFixture = function () {
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Assert.number(this.options.width, this.options.height);
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Assert.number(this.options.weight);
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var deckShape = new Box2D.Collision.Shapes.b2PolygonShape();
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var w = this.options.width / Settings.RATIO;
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var h = 2 / Settings.RATIO;
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deckShape.SetAsOrientedBox(w / 2, h / 2, new Box2D.Common.Math.b2Vec2(0, -(4.5 / Settings.RATIO)));
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var fixtureDef = new Box2D.Dynamics.b2FixtureDef();
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fixtureDef.shape = deckShape;
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var offset = 4,
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factor = 80;
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var density = ((this.options.weight + offset) / this.options.width / this.options.height) * factor;
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fixtureDef.density = density;
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fixtureDef.friction = Settings.ITEM_FRICTION;
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fixtureDef.restitution = 0.2;
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fixtureDef.isSensor = false;
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this.body.CreateFixture(fixtureDef);
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this.addWheel(
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-8,
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-2.5
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);
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this.addWheel(
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7,
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-2.5
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);
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};
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Skateboard.prototype.addWheel = function(x, y) {
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Assert.number(x, y);
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var bodyDef = new Box2D.Dynamics.b2BodyDef();
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bodyDef.type = Box2D.Dynamics.b2Body.b2_dynamicBody;
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bodyDef.position.x = x / Settings.RATIO;
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bodyDef.position.y = y / Settings.RATIO;
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bodyDef.angle = 0;
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var wheelShape = new Box2D.Collision.Shapes.b2CircleShape();
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wheelShape.SetRadius(2.5 / Settings.RATIO);
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wheelShape.SetLocalPosition(new Box2D.Common.Math.b2Vec2(x / Settings.RATIO, y / Settings.RATIO));
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var fixtureDef = new Box2D.Dynamics.b2FixtureDef();
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var offset = 4,
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factor = 80;
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var density = ((0.1 + offset) / 3 / 3) * factor;
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fixtureDef.density = density;
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fixtureDef.shape = wheelShape;
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fixtureDef.restitution = 0.2;
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fixtureDef.isSensor = false;
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fixtureDef.friction = 0.0005;
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this.body.CreateFixture(fixtureDef);
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};
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Skateboard.prototype.flip = function(direction) {
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this.flipDirection = direction;
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// FIXME: implement body flip if necessary
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};
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return Skateboard;
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});
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/*
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define([
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"Game/" + GLOBALS.context + "/GameObjects/Item",
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"Lib/Vendor/Box2D",
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"Game/Config/Settings",
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"Lib/Utilities/Assert"
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],
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function (Parent, Box2D, Settings, Assert) {
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"use strict";
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@ -117,3 +215,4 @@ function (Parent, Box2D, Settings, Assert) {
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return Skateboard;
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});
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*/
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@ -46,8 +46,8 @@ define([
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Level.prototype.createItem = function(uid, options) {
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switch(options.type) {
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//case "skateboard":
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// return new Skateboard(this.engine, uid, options);
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case "skateboard":
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return new Skateboard(this.engine, uid, options);
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case "ragdoll":
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return new RagDoll(this.engine, uid, options);
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case "rube":
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