public void Awake()
 {
     if (Instance == null)
     {
         DontDestroyOnLoad(gameObject);
         Instance = this;
     }
     else if (Instance != this)
     {
         Destroy(gameObject);
     }
 }
 private void Awake()
 {
     // if the singleton hasn't been initialized yet
     if (instance != null && instance != this)
     {
         Destroy(this.gameObject);
         return;
     }
     // GvrViewer.Instance.AutoDriftCorrection = false;
     // GvrViewer.Instance.autoUntiltHead = false;
     instance = this;
     DontDestroyOnLoad(this.gameObject);
 }