void OnDestroy()
 {
     if (Instance == this)
     {
         Instance = null;
     }
     StopAllCoroutines();
 }
 void Awake()
 {
     if (Instance == null)
     {
         Instance = this;
         DontDestroyOnLoad(this);
     }
     else
     {
         DestroyImmediate(gameObject);
     }
 }