cocoscreator实现拖动节点移动

cc.Class({
extends: cc.Component,

properties: {
    
},

// LIFE-CYCLE CALLBACKS:

 onLoad () {
     this.node.on(cc.Node.EventType.TOUCH_START,function(t){
         console.log("触摸开始");
     },this)
     //监听
     this.node.on(cc.Node.EventType.TOUCH_MOVE,this.on_touch_move,this);
     //this.node.on(cc.Node.EventType.TOUCH_MOVE,this.on_touch_move,this);
     //触摸抬起
     this.node.on(cc.Node.EventType.TOUCH_ENDED,function(t){
		console.log("触摸内结束");
    },this);
    this.node.on(cc.Node.EventType.TOUCH_CANCEL,function(t){
        console.log("触摸外开始");
    },this);

    
 },
 on_touch_move(t){
     //定义一个n_pos变量存储当前触摸点的位置
     var n_pos=t.getLocation();
     console.log(n_pos,n_pos.x,n_pos.y);

     var delta=t.getDelta();

     this.node.x+=delta.x;
     this.node.y+=delta.y;

 },

start () {

},

// update (dt) {},

});