/// <summary>
 /// 拖拽结束响应函数
 /// </summary>
 /// <param name="go">点击对象</param>
 private void OnDragEndDelegate(GameObject go)
 {
     //回归原点
     selfTransform.localPosition = origin;
     if (controller == null)
     {
         controller = GlobalClient.GetPlayerController();
     }
     if (controller == null)
     {
         return;
     }
     //响应玩家控制类的对应函数
     if (controller.moveEnd != null)
     {
         controller.moveEnd();
     }
 }