python贪吃蛇游戏 | 易学教程

游戏代码：
from pygame.locals import *
pygame.init()
fpsClock = pygame.time.Clock()
playSurface = pygame.display.set_mode((640,480))
pygame.display.set_caption('贪吃蛇游戏')

# 定义一些颜色
redColour = pygame.Color(255,0,0)
blackColour = pygame.Color(0,0,0)
whiteColour = pygame.Color(255,255,255)
greyColour = pygame.Color(150,150,150)
# 初始化了一些程序中用到的变量
snakePosition = [100, 100]
snakeSegments = [[100, 100], [80, 100], [60, 100]]
raspberryPosition = [300, 300] #位置
raspberrySpawned = 1   #是否吃到树莓，1为没吃到，0是吃到
direction = 'right'
changeDirection = direction


def gameOver():
    gameOverFont = pygame.font.Font('simfang.ttf',72)
    gameOverSurf = gameOverFont.render('Game Over', True, greyColour)
    gameOverRect = gameOverSurf.get_rect()
    gameOverRect.midtop = (320, 10)
    playSurface.blit(gameOverSurf, gameOverRect)
    pygame.display.flip()
    time.sleep(5)
    pygame.quit()
    sys.exit()
while True:
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == KEYDOWN:

           if event.key == K_RIGHT or event.key == ord('d'):
              changeDirection = 'right'
           if event.key == K_LEFT or event.key == ord('a'):
              changeDirection = 'left'
           if event.key == K_UP or event.key == ord('w'):
              changeDirection = 'up'
           if event.key == K_DOWN or event.key == ord('s'):
              changeDirection = 'down'
           if event.key == K_ESCAPE:
              pygame.event.post(pygame.event.Event(QUIT))
    if changeDirection == 'right' and not direction == 'left':
        direction = changeDirection
    if changeDirection == 'left' and not direction == 'right':
        direction = changeDirection
    if changeDirection == 'up' and not direction == 'down':
        direction = changeDirection
    if changeDirection == 'down' and not direction == 'up':
        direction = changeDirection
        # 根据方向移动蛇头的坐标
    if direction == 'right':
           snakePosition[0] += 20
    if direction == 'left':
            snakePosition[0] -= 20
    if direction == 'up':
            snakePosition[1] -= 20
    if direction == 'down':
            snakePosition[1] += 20
    #将蛇的身体增加一节，同时将这节放在蛇的头部
    snakeSegments.insert(0, list(snakePosition))
    #检查蛇头头部的x和y坐标是否等于树莓（玩家的目标点）的坐标
    if snakePosition[0] == raspberryPosition[0] and snakePosition[1] ==raspberryPosition[1]:
       raspberrySpawned = 0
    else:
        snakeSegments.pop()
    # 增加一个新的树莓到游戏界面中
    if raspberrySpawned == 0:
        x = random.randrange(1,32)
        y = random.randrange(1, 24)
        raspberryPosition = [int(x * 20), int(y * 20)]
    raspberrySpawned = 1
    playSurface.fill(blackColour)
    for position in snakeSegments:
        pygame.draw.rect(playSurface, whiteColour, Rect(position[0], position[1], 20, 20))
    pygame.draw.rect(playSurface, redColour, Rect(raspberryPosition[0], raspberryPosition[1], 20, 20))
    pygame.display.flip()
    if snakePosition[0] > 620 or snakePosition[0] < 0:
        gameOver()
    if snakePosition[1] > 460 or snakePosition[1] < 0:
        gameOver()
    for snakeBody in snakeSegments[1:]:
        if snakePosition[0] == snakeBody[0] and snakePosition[1] == snakeBody[1]:
            gameOver()
    fpsClock.tick(10)
贪吃蛇游戏截图：
操作方法：
wasd控制方向
来源：oschina
链接：https://my.oschina.net/u/4460892/blog/3192324
标签
pygame
贪吃蛇
python