分别用box2d和chipmunk实现了一下，不过box2d没整理，也懒得整理了。
chipmunk整理了一下，分享给大家吧。
演示地址：http://121.40.100.196/box/
刚开始研究，抛砖引玉
简要说明：
1、初始化物理环境，增加边界
initPhysics: function () {
var space = this.space ;
var staticBody = space.staticBody;
//开启物体形状测试
//this.initDebugMode();
// Gravity
space.gravity = cp.v(0, -980); //重力
space.sleepTimeThreshold = 0.5; //休眠临界时间
space.collisionSlop = 0.5; //
// Walls--四个边界
var walls = new cp.SegmentShape( staticBody, cp.v(0,0-1), cp.v(winSize.width,0), 0-1 ), // bottom
new cp.SegmentShape( staticBody, cp.v(0,winSize.height), cp.v(winSize.width,winSize.height), 0), // top
new cp.SegmentShape( staticBody, cp.v(0,0), cp.v(0,winSize.height), 0), // left
new cp.SegmentShape( staticBody, cp.v(winSize.width,0), cp.v(winSize.width,winSize.height), 0) // right
];
for( var i=0; i < walls.length; i++ ) {
var shape = walls*;
shape.setElasticity(1); //弹性
shape.setFriction(0); //摩擦
//space.addStaticShape( shape );
space.addShape( shape );
if(i >= 2){
shape.setCollisionType(3);
}
shape.setLayers(1);
}
},
2、物体形状测试
<pre class="brush:js; toolbar: true; auto-links: false;">initDebugMode: function () {
this._debugNode = cc.PhysicsDebugNode.create(this.space);
this.addChild(this._debugNode);
},
3、物体定义
initBoxWithBody: function () {
//物体的定义
var mass = 1;
var boxWidth = 32;
var body = new cp.Body(mass, cp.momentForBox(mass, boxWidth, boxWidth) );
body.setPos( cc.p(winSize.width/2, winSize.height/2) );
this.space.addBody( body );
var shape = new cp.BoxShape( body, boxWidth, boxWidth);
shape.setElasticity( 0.5 );
shape.setFriction( 0.3 );
shape.setCollisionType(1);
shape.setLayers(3);
this.space.addShape( shape );
//创建一个箱子
var v_texture = cc.textureCache.addImage(res.box_png);
this.box = cc.PhysicsSprite.create(v_texture,cc.rect(0,0,boxWidth,boxWidth));
this.box.setBody(body);
this.addChild(this.box,1);
this.box.setTag(101);
//上下移动
var moveTo1 = cc.MoveTo.create(0.5, winSize.width / 2, this.box.y + 40);
var moveTo2 = cc.MoveTo.create(0.5, winSize.width / 2, this.box.y - 40);
this.downUpAction = cc.RepeatForever.create(cc.Sequence.create(moveTo1,moveTo2));
this.box.runAction(this.downUpAction);
},
4、增加点击事件、碰撞检测监听
<pre class="brush:js; toolbar: true; auto-links: false;"> onEnter: function () {
this._super();
cc.sys.dumpRoot();
cc.sys.garbageCollect();
//事件处理
if( 'touches' in cc.sys.capabilities ){
cc.eventManager.addListener({
event: cc.EventListener.TOUCH_ALL_AT_ONCE,
onTouchesEnded: function(touches, event){
event.getCurrentTarget().processEvent( touches );
}
}, this);
} else if( 'mouse' in cc.sys.capabilities ){
cc.eventManager.addListener({
event: cc.EventListener.MOUSE,
onMouseDown: function(event){
event.getCurrentTarget().processEvent( event );
}
}, this);
}
//重置数据
this.resetDatas();
//
this.scheduleUpdate();
//添加碰撞监听事件
// 1 & 2 检测box和上下BLOCK碰撞
this.space.addCollisionHandler( 1, 2,
this.collisionBegin.bind(this),
this.collisionPre.bind(this),
this.collisionPost.bind(this),
this.collisionSeparate.bind(this)
);
// 1 & 3 检测box和左右边界碰撞
this.space.addCollisionHandler( 1, 3,
this.collisionBegin.bind(this),
this.collisionPre.bind(this),
this.collisionPost.bind(this),
this.collisionSeparate.bind(this)
);
// 1 & 4 检测box和左右BLOCK碰撞
this.space.addCollisionHandler( 1, 4,
this.collisionBegin.bind(this),
this.collisionPre.bind(this),
this.collisionPost.bind(this),
this.collisionSeparate.bind(this)
);
},
5、碰撞检测
collisionBegin : function ( arbiter, space ) {
var shapes = arbiter.getShapes();
var shapeA = shapes;
var shapeB = shapes;
var collTypeA = shapeA.collision_type;
var collTypeB = shapeB.collision_type;
if(collTypeB == 3){
console.log( 'Collision Type A:' + collTypeA );
console.log( 'end Collision Type B:' + collTypeB );
this.boxDirectionX = -this.boxDirectionX;
this.space.addPostStepCallback(function () {
this.updateBoxAndBlocks();
}.bind(this));
}else if(collTypeB == 2 || collTypeB == 4)
{//碰到上下墙壁 或者 左右出来的BLOCKS 就Gameover
this.gameOver();
}
return true;
},
collisionPre : function ( arbiter, space ) {
//console.log('collision pre');
return true;
},
collisionPost : function ( arbiter, space ) {
//console.log('collision post');
},
collisionSeparate : function ( arbiter, space ) {
//console.log('collision separate');
}
```
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