public void DestroyManager()
 {
     SceneManager.sceneLoaded   -= SceneLoaded;
     SceneManager.sceneUnloaded -= SceneUnloaded;
     Instance = null;
 }
 private void Awake()
 {
     Instance = this;
     SceneManager.sceneLoaded   += SceneLoaded;
     SceneManager.sceneUnloaded += SceneUnloaded;
 }