/*internal static void ensureModelViewHelperIfNeeded() {
         *  if (_instance != null) {
         *      return;
         *  }
         *  var managerObj = new GameObject("__ModelViewHelper");
         *  var component = managerObj.AddComponent<ModelViewHelper>();
         *  _instance = component;
         * }*/

        //private static bool applicationIsQuitting = false;

        public void Awake()
        {
            if (_instance != null)
            {
                Debug.Log("error 11");
            }
            _instance = this;
        }
 public void OnDestroy()
 {
     _instance = null;
 }