private void Awake()
    {
        if (instance != null && instance != this)
        {
            Destroy(gameObject);
            return;
        }
        else
            instance = this;

        DontDestroyOnLoad(gameObject);
    }
    private void Awake()
    {
        if (instance != null && instance != this)
        {
            Destroy(gameObject);
            return;
        }
        else
        {
            instance = this;
        }

        DontDestroyOnLoad(gameObject);
    }