/// <summary>
 /// 点击响应函数
 /// </summary>
 /// <param name="go">点击的对象</param>
 private void OnPointerDownDelegate(GameObject go)
 {
     if (controller == null)
     {
         controller = GlobalClient.GetPlayerController();
     }
     if (controller == null)
     {
         return;
     }
     //响应玩家控制类的对应函数
     if (controller.moveStart != null)
     {
         controller.moveStart();
     }
 }