public void Update(Button key) { if (m_play) { int score = m_board.Update(key); if (score == -1) { m_play = false; } else { if (score == 2048) { m_play = false; m_clear = true; } m_score += score; } if (m_bestSocre < m_score) { m_bestSocre = m_score; } } }