Python 五子棋

同样需要安装pygame


# 导入pygame模块
import pygame


# 定义三个常量函数,用来表示白棋,黑棋,以及 空
EMPTY = 0
BLACK = 1
WHITE = 2


# 定义黑色(黑棋用,画棋盘)
black_color = [0, 0, 0]
# 定义白色(白棋用)
white_color = [255, 255, 255]


# 定义棋盘这个类
class RenjuBoard(object):

    def __init__(self):
        # self._board = board = [[EMPTY] * 15 for _ in range(15)]
        # 将棋盘每一个交叉点都看作列表的一个元素位,一共有15*15共225个元素
        self._board = [[]] * 15
        self.reset()

    # 重置棋盘
    def reset(self):
        for row in range(len(self._board)):
            self._board[row] = [EMPTY] * 15

    # 定义棋盘上的下棋函数,row表示行,col表示列,
    # is_black表示判断当前点位该下黑棋,还是白棋
    def move(self, row, col, is_black):
        if self._board[row][col] == EMPTY:
            self._board[row][col] = BLACK if is_black else WHITE
            return True
        return False

    # 给棋盘定义一个函数将自己在screen上面画出来,
    # 使用pygame.draw()函数。并且顺便将下了的棋子也画出来
    def draw(self, screen):
        for h in range(1, 16):
            pygame.draw.line(screen, black_color,
                             [40, h * 40], [600, h * 40], 1)
            pygame.draw.line(screen, black_color, [40, h * 40], [600, h * 40], 1)
            # 给棋盘加一个外框,使美观
            pygame.draw.rect(screen, black_color, [36, 36, 568, 568], 3)
            # 在棋盘上标出,天元以及另外4个特殊点位
            pygame.draw.circle(screen, black_color, [320, 320], 5, 0)
            pygame.draw.circle(screen, black_color, [160, 160], 3, 0)
            pygame.draw.circle(screen, black_color, [160, 480], 3, 0)
            pygame.draw.circle(screen, black_color, [480, 160], 3, 0)
            pygame.draw.circle(screen, black_color, [480, 480], 3, 0)
            # 做2次for循环取得棋盘上所有交叉点的坐标
            for row in range(len(self._board)):
                for col in range(len(self._board[row])):
                    # 将下在棋盘上的棋子画出来
                    if self._board[row][col] != EMPTY:
                        ccolor = black_color \
                            if self._board[row][col] == BLACK else white_color
                        # 取得这个交叉点下的棋子的颜色,并将棋子画出来
                        pos = [40 * (col + 1), 40 * (row + 1)]
                        # 画出棋子
                        pygame.draw.circle(screen, ccolor, pos, 18, 0)


# 定义函数,传入当前棋盘上的棋子列表,
# 输出结果,不管黑棋白棋胜,都是传回False,未出结果则为True
def is_win(board):
    for n in range(15):
        # 判断垂直方向胜利
        flag = 0
        # flag是一个标签,表示是否有连续五个以上相同颜色的棋子
        for b in board._board:
            if b[n] == 1:
                flag += 1
                if flag == 5:
                    print('黑棋胜')
                    return False
            else:
                # else表示此时没有连续相同的棋子,标签flag重置为0
                flag = 0

        flag = 0
        for b in board._board:
            if b[n] == 2:
                flag += 1
                if flag == 5:
                    print('白棋胜')
                    return False
            else:
                flag = 0

        # 判断水平方向胜利
        flag = 0
        for b in board._board[n]:
            if b == 1:
                flag += 1
                if flag == 5:
                    print('黑棋胜')
                    return False
            else:
                flag = 0

        flag = 0
        for b in board._board[n]:
            if b == 2:
                flag += 1
                if flag == 5:
                    print('白棋胜')
                    return False
            else:
                flag = 0

        # 判断正斜方向胜利
        for x in range(4, 25):
            flag = 0
            for i, b in enumerate(board._board):
                if 14 >= x - i >= 0 and b[x - i] == 1:
                    flag += 1
                    if flag == 5:
                        print('黑棋胜')
                        return False
                else:
                    flag = 0

        for x in range(4, 25):
            flag = 0
            for i, b in enumerate(board._board):
                if 14 >= x - i >= 0 and b[x - i] == 2:
                    flag += 1
                    if flag == 5:
                        print('白棋胜')
                        return False
                else:
                    flag = 0

        # 判断反斜方向胜利
        for x in range(11, -11, -1):
            flag = 0
            for i, b in enumerate(board._board):
                if 0 <= x + i <= 14 and b[x + i] == 1:
                    flag += 1
                    if flag == 5:
                        print('黑棋胜')
                        return False
                else:
                    flag = 0

        for x in range(11, -11, -1):
            flag = 0
            for i, b in enumerate(board._board):
                if 0 <= x + i <= 14 and b[x + i] == 2:
                    flag += 1
                    if flag == 5:
                        print('白棋胜')
                        return False
                else:
                    flag = 0
    return True


def main():
    # 创建棋盘对象
    board = RenjuBoard()
    # 用于判断是下黑棋还是白棋
    is_black = True
    # pygame初始化函数,固定写法
    pygame.init()
    pygame.display.set_caption('五子棋')  # 改标题
    # pygame.display.set_mode()表示建立个窗口,
    # 左上角为坐标原点,往右为x正向,往下为y轴正向
    screen = pygame.display.set_mode((640, 640))
    # 给窗口填充颜色,颜色用三原色数字列表表示
    screen.fill([125, 95, 24])
    board.draw(screen)  # 给棋盘类发命令,
    # 调用draw()函数将棋盘画出来
    pygame.display.flip()  # 刷新窗口显示

    running = True
    # while 主循环的标签,以便跳出循环
    while running:
        # 遍历建立窗口后发生的所有事件,固定写法
        for event in pygame.event.get():
            # 根据事件的类型,进行判断
            if event.type == pygame.QUIT:
                running = False

            elif event.type == pygame.KEYUP:
                pass
            # pygame.MOUSEBUTTONDOWN表示鼠标的键被按下
            elif event.type == pygame.MOUSEBUTTONDOWN and \
                    event.button == 1:  # button表示鼠标左键
                x, y = event.pos  # 拿到鼠标当前在窗口上的位置坐标
                # 将鼠标的(x, y)窗口坐标,转换为棋盘上的坐标
                row = round((y - 40) / 40)
                col = round((x - 40) / 40)
                if board.move(row, col, is_black):
                    is_black = not is_black
                    screen.fill([125, 95, 24])
                    board.draw(screen)
                    pygame.display.flip()
                    # 调用判断胜负函数
                    if not is_win(board):
                    # break
                        running = False
    pygame.quit()


if __name__ == '__main__':
    main()

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