/// <summary>
    /// 버튼 UI에서 방향값 획득
    /// ButtonFlag 컴포넌트 연동
    /// </summary>
    /// <returns></returns>
    void CheckFlag()
    {
        ButtonFlag L = btnL.GetComponent <ButtonFlag>();
        ButtonFlag R = btnR.GetComponent <ButtonFlag>();
        ButtonFlag U = btnU.GetComponent <ButtonFlag>();
        ButtonFlag D = btnD.GetComponent <ButtonFlag>();


        if (L.getFlag())
        {
            moveDirection = MoveDirection.Left;
        }
        else if (R.getFlag())
        {
            moveDirection = MoveDirection.Right;
        }
        else if (U.getFlag())
        {
            moveDirection = MoveDirection.Up;
        }
        else if (D.getFlag())
        {
            moveDirection = MoveDirection.Down;
        }
        else
        {
            moveDirection = MoveDirection.None;
        }

        L.setOff();
        R.setOff();
        U.setOff();
        D.setOff();

        L.MirrorSync(true);
        R.MirrorSync(true);
        U.MirrorSync(true);
        D.MirrorSync(true);
    }