public static void CloseManager()
 {
     if(_assManager != null)
     {
         _assManager.Dispose();
         Debug.Log(" UGBodyObjectRelaesed!! ");
         _assManager = null;
         GC.Collect();
     }
 }
    public static UGBodyObjectsManager instance()
    {
        if(_assManager == null)
        {
             _assManager = new UGBodyObjectsManager();
            _assManager.UGInit();

        }else
        {

        }

        return _assManager;
    }