此项目利用童芯派的方向键对 pygame 中的贪吃蛇进行控制。

    1. import pygame
    2. from sys import exit
    3. import random
    4. import time
    5. import cyberpi
    7. class Point():
    8.     def __init__(self, row, clo):
    9.         self.row = row
    10.         self.clo = clo
    12.     def copy(self):
    13.         return Point(row=self.row, clo=self.clo)
    16. # 初始化
    17. pygame.init()
    18. width = 800
    19. hight = 400
    21. ROW = 30
    22. CLO = 50
    24. direct = 'left'
    25. window = pygame.display.set_mode((width, hight))
    26. pygame.display.set_caption('贪吃蛇游戏')
    28. # 蛇头坐标定在中间
    29. head = Point(row=int(ROW / 2), clo=int(CLO / 2))
    30. # 初始化蛇身的元素数量
    31. snake = [
    32.     Point(row=head.row, clo=head.clo + 1),
    33.     Point(row=head.row, clo=head.clo + 2),
    34.     Point(row=head.row, clo=head.clo + 3)
    35. ]
    38. # 生成食物并且不让食物生成在蛇的身体里面
    39. def gen_food():
    40.     while 1:
    41.         position = Point(row=random.randint(0, ROW - 1), clo=random.randint(0, CLO - 1))
    42.         is_coll = False
    43.         if head.row == position.row and head.clo == position.clo:
    44.             is_coll = True
    45.         for body in snake:
    46.             if body.row == position.row and body.clo == position.clo:
    47.                 is_coll = True
    48.                 break
    49.         if not is_coll:
    50.             break
    51.     return position
    54. # 定义坐标
    55. # 蛇头颜色可以自定义
    56. head_color = (0, 158, 128)
    57. # 食物坐标
    58. snakeFood = gen_food()
    59. # 食物颜色
    60. snakeFood_color = (255, 255, 0)
    62. snake_color = (200, 0, 18)
    65. # 需要执行很多步画图操作 所以定义一个函数
    66. def rect(point, color):
    67.     # 定位 画图需要left和top
    68.     left = point.clo * width / CLO
    69.     top = point.row * hight / ROW
    70.     # 将方块涂色
    71.     pygame.draw.rect(window, color, (left, top, width / CLO, hight / ROW))
    74. quit = True
    75. # 设置帧频率
    76. clock = pygame.time.Clock()
    77. while quit:
    78.     # 处理帧频 锁帧
    79.     clock.tick(30)
    81. # cyberpi 遥杆控制
    82.     if cyberpi.controller.is_press("up"):
    83.         if direct == 'left' or direct == 'right':
    84.             direct = 'top'
    85.     if cyberpi.controller.is_press("down"):
    86.         if direct == 'left' or direct == 'right':
    87.             direct = 'bottom'
    88.     if cyberpi.controller.is_press("left"):
    89.         if direct == 'top' or direct == 'bottom':
    90.             direct = 'left'
    91.     if cyberpi.controller.is_press("right"):
    92.         if direct == 'top' or direct == 'bottom':
    93.             direct = 'right'
    95. # 键盘控制
    96.     for event in pygame.event.get():
    97.         if event.type == pygame.QUIT:
    98.             quit = False
    99.         elif event.type == pygame.KEYDOWN:
    100.             if event.key == 273 or event.key == 119:
    101.                 if direct == 'left' or direct == 'right':
    102.                     direct = 'top'
    103.             if event.key == 274 or event.key == 115:
    104.                 if direct == 'left' or direct == 'right':
    105.                     direct = 'bottom'
    106.             if event.key == 276 or event.key == 97:
    107.                 if direct == 'top' or direct == 'bottom':
    108.                     direct = 'left'
    109.             if event.key == 275 or event.key == 100:
    110.                 if direct == 'top' or direct == 'bottom':
    111.                     direct = 'right'
    113.     # 吃东西
    114.     eat = (head.row == snakeFood.row and head.clo == snakeFood.clo)
    116.     # 处理蛇的身子
    117.     # 1.把原来的头插入到snake的头上
    118.     # 2.把最后一个snake删掉
    119.     if eat:
    120.         snakeFood = Point(row=random.randint(0, ROW - 1), clo=random.randint(0, CLO - 1))
    121.     snake.insert(0, head.copy())
    122.     if not eat:
    123.         snake.pop()
    125.     # 移动一下
    126.     if direct == 'left':
    127.         head.clo -= 1
    128.     if direct == 'right':
    129.         head.clo += 1
    130.     if direct == 'top':
    131.         head.row -= 1
    132.     if direct == 'bottom':
    133.         head.row += 1
    134.     dead = False
    135.     if head.clo < 0 or head.row < 0 or head.clo >= CLO or head.row >= ROW:
    136.         dead = True
    137.     for body in snake:
    138.         if head.clo == body.clo and head.row == body.row:
    139.             dead = True
    140.             break
    141.     if dead:
    142.         print('Game Over')
    143.         pygame.quit()
    144.         exit()
    145.         quit = False
    146.     # 背景画图
    147.     pygame.draw.rect(window, (20, 10, 10), (0, 0, width, hight))
    149.     # 蛇头
    150.     rect(head, head_color)
    151.     # 绘制食物
    152.     rect(snakeFood, snakeFood_color)
    153.     # 绘制蛇的身子
    154.     for body in snake:
    155.         rect(body, snake_color)
    157.     # 交还控制权
    158.     pygame.display.flip()
    159.     time.sleep(0.05)
    161. pygame.quit()
    162. exit()