public void AddObject(UGBody body)
 {
     if(!_objectsArr.Contains(body))
     {
         _objectsArr.Add(body);
     }
 }
    public void RemoveObject(UGBody body)
    {
        if(_objectsArr.Contains(body))
        {
            //计数不大于0,表示没有游戏体引用该资源束
            if(body.ugAssets.Keeping <= 0)
            {
                Debug.Log("UGBodyObjectsManager RemoveObject  " );
                UGBundlePoolManager.instance().UnloadeUGAssetsBundle(body.assetsPackage);
            }

            _ugTagInfo--;
            _objectsArr.Remove(body);
        }
    }