box.potOld = box.transform.position;Laya.Tween.to(box.potOld,{
x:1
,y:2
,update:new Laya.Handler(box,function(){
this.transform.position = this.potOld;
})
}, ConstValue.animationTime,Laya.Ease.elasticOut,Laya.Handler.create(this, function(){
console.log("complete");
}),ConstValue.animationDelay);
无法直接设置原因是浅拷贝变量无法同步到原对象中去