判断重叠 碰撞检测

intersect2:function(target){

 var light2Obj = this.light2.getBoundingBox();

var rectA = cc.rect(light2Obj.x+15,light2Obj.y+15,light2Obj.width-30,light2Obj.height-30);

 var targetObj = target.getBoundingBox();

var rectB = cc.rect(targetObj.x+10,targetObj.y+135,targetObj.width-125,targetObj.height-140);

var r = cc.rectIntersectsRect(rectA, rectB);

return r;

 },