@Override
	public void updateBoardView(Colors[][] board) {
		for (int r = 0; r < ROW; r++) {
			for (int c = 0; c < COL; c ++) {
				switch(board[r][c]) {
				case BLUE: 
					boardBtns[r][c].setBackground(Color.BLUE); break;
				case RED: 
					boardBtns[r][c].setBackground(Color.RED); break;
				case EMPTY: 
					boardBtns[r][c].setBackground(Color.WHITE); break;
				}
				boardBtns[r][c].repaint();
			}
		}
	}