/// <summary>
 /// 取消订阅碰撞进入事件
 /// </summary>
 /// <param name=""></param>
 public void CancelSubscribeCollisionEnter(IOnQuadtreeCollisionEnter subscriber)
 {
     collisionEnterEventHandler.RemoveListener(subscriber.OnQuadtreeCollisionEnter);
 }
 /// <summary>
 /// 订阅碰撞进入事件
 /// </summary>
 /// <param name=""></param>
 public void SubscribeCollisionEnter(IOnQuadtreeCollisionEnter subscriber)
 {
     collisionEnterEventHandler.AddListener(subscriber.OnQuadtreeCollisionEnter);
 }