onLoad () {
let self=this;
let winSize=cc.director.getWinSize();//获取设备的宽度
self.letfLimit=-(winSize.width/2);
self.rightLimit=winSize.width/2;
self.height=winSize.height/2;
this.node.on(cc.Node.EventType.TOUCH_MOVE, function(touchEvent){
let delta =touchEvent.getDelta();
let node =self.player ||self.node;
node.position =delta.add(node.position);
})
},
我的移动代码是这样写的,应该怎么控制它移动的速度
