这次我们基于 pygame 来做一个扫雷，上次有园友问我代码的 python 版本，我说明一下，我所有的代码都是基于 python 3.6 的。

先看截图，仿照 XP 上的扫雷做的，感觉 XP 上的样式比 win7 上的好看多了。

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image

原谅我手残，扫雷基本就没赢过，测试的时候我是偷偷的把雷的数量从99改到50才赢了。。。

代码虽然不多，但加上注释和空行也有350行，另外还有一些图片资源，就不全帖上来了，完整的代码和资源我放到CSDN上了，感兴趣的小伙伴可以去下载一下。下载地址

下面将一下我的实现逻辑。

首先，如何表示雷和非雷，一开始想的是，建立一个二维数组表示整个区域，0表示非地雷，1表示地雷。后来一想不对，还有标记为地雷，标记为问号，还有表示周边雷数的数字，好多状态，干脆就做个类吧

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<pre style="margin: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New" !important; font-size: 12px !important;">class BlockStatus(Enum):
normal = 1 # 未点击
opened = 2 # 已点击
mine = 3 # 地雷
flag = 4 # 标记为地雷
ask = 5 # 标记为问号
bomb = 6 # 踩中地雷
hint = 7 # 被双击的周围
double = 8 # 正被鼠标左右键双击

class Mine: def init(self, x, y, value=0):
self._x = x
self._y = y
self._value = 0
self._around_mine_count = -1 self._status = BlockStatus.normal
self.set_value(value) def repr(self): return str(self._value) # return f'({self._x},{self._y})={self._value}, status={self.status}'

def get_x(self): return self._x def set_x(self, x):
    self._x = x

x = property(fget=get_x, fset=set_x) def get_y(self): return self._y def set_y(self, y):
    self._y = y

y = property(fget=get_y, fset=set_y) def get_value(self): return self._value def set_value(self, value): if value:
        self._value = 1
    else:
        self._value = 0

value = property(fget=get_value, fset=set_value, doc='0:非地雷 1:雷') def get_around_mine_count(self): return self._around_mine_count def set_around_mine_count(self, around_mine_count):
    self._around_mine_count = around_mine_count

around_mine_count = property(fget=get_around_mine_count, fset=set_around_mine_count, doc='四周地雷数量') def get_status(self): return self._status def set_status(self, value):
    self._status = value

status = property(fget=get_status, fset=set_status, doc='BlockStatus')</pre>

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布雷就很简单了，随机取99个数，从上往下顺序排就是了。

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<pre style="margin: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New" !important; font-size: 12px !important;">class MineBlock: def init(self):
self._block = [[Mine(i, j) for i in range(BLOCK_WIDTH)] for j in range(BLOCK_HEIGHT)] # 埋雷
for i in random.sample(range(BLOCK_WIDTH * BLOCK_HEIGHT), MINE_COUNT):
self._block[i // BLOCK_WIDTH][i % BLOCK_WIDTH].value = 1</pre>

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我们点击一个格子的时候，只要根据点击的坐标，找到对应的 Mine，看它的值是多少，就知道有没有踩中雷了。

如果没踩中雷的话，要计算周边8个位置中有几个雷，以便显示对应的数字。

如果周边有雷，那么显示数字，这个简单，可是如果周边没有雷，那就要显示一片区域，直到有雷出现，如下图，我只点了当中一下，就出现了那么大一片区域

image

这个计算其实也容易，只要用递归就可以了，如果计算出周围的雷数为0，则递归计算周边8个位置的四周雷数，直到雷数不为0。

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<pre style="margin: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New" !important; font-size: 12px !important;">class MineBlock:</pre>

<pre style="margin: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New" !important; font-size: 12px !important;">　　def open_mine(self, x, y): # 踩到雷了
if self._block[y][x].value:
self._block[y][x].status = BlockStatus.bomb return False # 先把状态改为 opened
self._block[y][x].status = BlockStatus.opened

    around = _get_around(x, y)

    _sum = 0 for i, j in around: if self._block[j][i].value:
            _sum += 1 self._block[y][x].around_mine_count = _sum # 如果周围没有雷，那么将周围8个未中未点开的递归算一遍
    # 这就能实现一点出现一大片打开的效果了
    if _sum == 0: for i, j in around: if self._block[j][i].around_mine_count == -1:
                self.open_mine(i, j) return True def _get_around(x, y): """返回(x, y)周围的点的坐标"""
# 这里注意，range 末尾是开区间，所以要加 1
return [(i, j) for i in range(max(0, x - 1), min(BLOCK_WIDTH - 1, x + 1) + 1) for j in range(max(0, y - 1), min(BLOCK_HEIGHT - 1, y + 1) + 1) if i != x or j != y]</pre>

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接下来还有一个麻烦的地方，我们经常鼠标左右键同时按下，如果雷被全部标记，则会一下子打开周围所有的格子，如果其中有标记错的，那么不好意思，GAME OVER。

如果没有全标记完，会有一个效果显示周围一圈未被打开和标记的格子

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<pre style="margin: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New" !important; font-size: 12px !important;">class MineBlock:</pre>

<pre style="margin: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New" !important; font-size: 12px !important;">　　 def double_mouse_button_down(self, x, y): if self._block[y][x].around_mine_count == 0: return True

    self._block[y][x].status = BlockStatus.double

    around = _get_around(x, y)

    sumflag = 0     # 周围被标记的雷数量
    for i, j in _get_around(x, y): if self._block[j][i].status == BlockStatus.flag:
            sumflag += 1
    # 周边的雷已经全部被标记
    result = True if sumflag == self._block[y][x].around_mine_count: for i, j in around: if self._block[j][i].status == BlockStatus.normal: if not self.open_mine(i, j):
                    result = False else: for i, j in around: if self._block[j][i].status == BlockStatus.normal:
                self._block[j][i].status = BlockStatus.hint return result def double_mouse_button_up(self, x, y):
    self._block[y][x].status = BlockStatus.opened for i, j in _get_around(x, y): if self._block[j][i].status == BlockStatus.hint:
            self._block[j][i].status = BlockStatus.normal</pre>

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扫雷的主要逻辑就这么多，剩下来的就是一些杂七杂八的事件了。代码也帖一下吧

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<pre style="margin: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New" !important; font-size: 12px !important;">import sys import time from enum import Enum import pygame from pygame.locals import *
from mineblock import *

游戏屏幕的宽

SCREEN_WIDTH = BLOCK_WIDTH * SIZE # 游戏屏幕的高
SCREEN_HEIGHT = (BLOCK_HEIGHT + 2) * SIZE class GameStatus(Enum):
readied = 1,
started = 2,
over = 3,
win = 4

def print_text(screen, font, x, y, text, fcolor=(255, 255, 255)):
imgText = font.render(text, True, fcolor)
screen.blit(imgText, (x, y)) def main():
pygame.init()
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption('扫雷')

font1 = pygame.font.Font('resources/a.TTF', SIZE * 2)  # 得分的字体
fwidth, fheight = font1.size('999')
red = (200, 40, 40) # 加载资源图片，因为资源文件大小不一，所以做了统一的缩放处理
img0 = pygame.image.load('resources/0.bmp').convert()
img0 = pygame.transform.smoothscale(img0, (SIZE, SIZE))
img1 = pygame.image.load('resources/1.bmp').convert()
img1 = pygame.transform.smoothscale(img1, (SIZE, SIZE))
img2 = pygame.image.load('resources/2.bmp').convert()
img2 = pygame.transform.smoothscale(img2, (SIZE, SIZE))
img3 = pygame.image.load('resources/3.bmp').convert()
img3 = pygame.transform.smoothscale(img3, (SIZE, SIZE))
img4 = pygame.image.load('resources/4.bmp').convert()
img4 = pygame.transform.smoothscale(img4, (SIZE, SIZE))
img5 = pygame.image.load('resources/5.bmp').convert()
img5 = pygame.transform.smoothscale(img5, (SIZE, SIZE))
img6 = pygame.image.load('resources/6.bmp').convert()
img6 = pygame.transform.smoothscale(img6, (SIZE, SIZE))
img7 = pygame.image.load('resources/7.bmp').convert()
img7 = pygame.transform.smoothscale(img7, (SIZE, SIZE))
img8 = pygame.image.load('resources/8.bmp').convert()
img8 = pygame.transform.smoothscale(img8, (SIZE, SIZE))
img_blank = pygame.image.load('resources/blank.bmp').convert()
img_blank = pygame.transform.smoothscale(img_blank, (SIZE, SIZE))
img_flag = pygame.image.load('resources/flag.bmp').convert()
img_flag = pygame.transform.smoothscale(img_flag, (SIZE, SIZE))
img_ask = pygame.image.load('resources/ask.bmp').convert()
img_ask = pygame.transform.smoothscale(img_ask, (SIZE, SIZE))
img_mine = pygame.image.load('resources/mine.bmp').convert()
img_mine = pygame.transform.smoothscale(img_mine, (SIZE, SIZE))
img_blood = pygame.image.load('resources/blood.bmp').convert()
img_blood = pygame.transform.smoothscale(img_blood, (SIZE, SIZE))
img_error = pygame.image.load('resources/error.bmp').convert()
img_error = pygame.transform.smoothscale(img_error, (SIZE, SIZE))
face_size = int(SIZE * 1.25)
img_face_fail = pygame.image.load('resources/face_fail.bmp').convert()
img_face_fail = pygame.transform.smoothscale(img_face_fail, (face_size, face_size))
img_face_normal = pygame.image.load('resources/face_normal.bmp').convert()
img_face_normal = pygame.transform.smoothscale(img_face_normal, (face_size, face_size))
img_face_success = pygame.image.load('resources/face_success.bmp').convert()
img_face_success = pygame.transform.smoothscale(img_face_success, (face_size, face_size))
face_pos_x = (SCREEN_WIDTH - face_size) // 2 face_pos_y = (SIZE * 2 - face_size) // 2 img_dict = {
    0: img0, 1: img1, 2: img2, 3: img3, 4: img4, 5: img5, 6: img6, 7: img7, 8: img8
}

bgcolor = (225, 225, 225)   # 背景色

block = MineBlock()
game_status = GameStatus.readied
start_time = None # 开始时间
elapsed_time = 0 # 耗时

while True: # 填充背景色

screen.fill(bgcolor) for event in pygame.event.get(): if event.type == QUIT:
sys.exit() elif event.type == MOUSEBUTTONDOWN:
mouse_x, mouse_y = event.pos
x = mouse_x // SIZE
y = mouse_y // SIZE - 2 b1, b2, b3 = pygame.mouse.get_pressed() if game_status == GameStatus.started: # 鼠标左右键同时按下，如果已经标记了所有雷，则打开周围一圈
# 如果还未标记完所有雷，则有一个周围一圈被同时按下的效果
if b1 and b3:
mine = block.getmine(x, y) if mine.status == BlockStatus.opened: if not block.double_mouse_button_down(x, y):
game_status = GameStatus.over elif event.type == MOUSEBUTTONUP: if y < 0: if face_pos_x <= mouse_x <= face_pos_x + face_size \ and face_pos_y <= mouse_y <= face_pos_y + face_size:
game_status = GameStatus.readied
block = MineBlock()
start_time = time.time()
elapsed_time = 0 continue

            if game_status == GameStatus.readied:
                game_status = GameStatus.started
                start_time = time.time()
                elapsed_time = 0 if game_status == GameStatus.started:
                mine = block.getmine(x, y) if b1 and not b3:       # 按鼠标左键
                    if mine.status == BlockStatus.normal: if not block.open_mine(x, y):
                            game_status = GameStatus.over elif not b1 and b3:     # 按鼠标右键
                    if mine.status == BlockStatus.normal:
                        mine.status = BlockStatus.flag elif mine.status == BlockStatus.flag:
                        mine.status = BlockStatus.ask elif mine.status == BlockStatus.ask:
                        mine.status = BlockStatus.normal elif b1 and b3: if mine.status == BlockStatus.double:
                        block.double_mouse_button_up(x, y)

    flag_count = 0
    opened_count = 0 for row in block.block: for mine in row:
            pos = (mine.x * SIZE, (mine.y + 2) * SIZE) if mine.status == BlockStatus.opened:
                screen.blit(img_dict[mine.around_mine_count], pos)
                opened_count += 1
            elif mine.status == BlockStatus.double:
                screen.blit(img_dict[mine.around_mine_count], pos) elif mine.status == BlockStatus.bomb:
                screen.blit(img_blood, pos) elif mine.status == BlockStatus.flag:
                screen.blit(img_flag, pos)
                flag_count += 1
            elif mine.status == BlockStatus.ask:
                screen.blit(img_ask, pos) elif mine.status == BlockStatus.hint:
                screen.blit(img0, pos) elif game_status == GameStatus.over and mine.value:
                screen.blit(img_mine, pos) elif mine.value == 0 and mine.status == BlockStatus.flag:
                screen.blit(img_error, pos) elif mine.status == BlockStatus.normal:
                screen.blit(img_blank, pos)

    print_text(screen, font1, 30, (SIZE * 2 - fheight) // 2 - 2, '%02d' % (MINE_COUNT - flag_count), red) if game_status == GameStatus.started:
        elapsed_time = int(time.time() - start_time)
    print_text(screen, font1, SCREEN_WIDTH - fwidth - 30, (SIZE * 2 - fheight) // 2 - 2, '%03d' % elapsed_time, red) if flag_count + opened_count == BLOCK_WIDTH * BLOCK_HEIGHT:
        game_status = GameStatus.win if game_status == GameStatus.over:
        screen.blit(img_face_fail, (face_pos_x, face_pos_y)) elif game_status == GameStatus.win:
        screen.blit(img_face_success, (face_pos_x, face_pos_y)) else:
        screen.blit(img_face_normal, (face_pos_x, face_pos_y))

    pygame.display.update() if __name__ == '__main__':
main()</pre>

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