Inheritance: MonoBehaviour
 void Awake()
 {
     if (Instance) {
         Destroy(this);
         DontDestroyOnLoad(gameObject);
         DontDestroyOnLoad(this);
     }
     else {
         Instance = this;
     }
 }
 void Awake()
 {
     if (Instance)
     {
         Destroy(this);
         DontDestroyOnLoad(gameObject);
         DontDestroyOnLoad(this);
     }
     else
     {
         Instance = this;
     }
 }