本文實例為大家分享了python簡單貪吃蛇的具體代碼，供大家參考，具體內容如下

import sysimport randomimport pygamefrom pygame.locals import * # 目標方塊的顏色 紅色redColor = pygame.Color(255, 0, 0)# 游戲界面的背景顏色 純黑色blackColor = pygame.Color(0, 0, 0)# 貪吃蛇的顏色 白色whiteColor = pygame.Color(255, 255, 255)  # 定義游戲結束的函數def gameOver():  pygame.quit()  sys.exit()  # 定義main函數def main():  # 初始化pygame  pygame.init()  # 定義一個控制速度的函數  fpsClock = pygame.time.Clock()  # 創建顯示層  playSurface = pygame.display.set_mode((640,480))  # 界面的大小  pygame.display.set_caption('貪吃蛇')  # 初始化蛇的位置  snake_position=[100,100]   # 初始化蛇的長度  snake_body = [[100,100],[80,100],[60,100]]   # 初始化目標方塊的位置  target_position = [300,300]   # 目標方塊的狀態  target_flag = 1   # 初始化一個方向  direction = 'right'  # 定義蛇的方向變量  changeDirection = direction   while True:    # pygame的交互模塊和事件隊列    for event in pygame.event.get():      # 是否推出      if event.type == QUIT:        pygame.quit()        sys.exit()      # 判斷鍵盤事件      elif event.type == KEYDOWN:        if event.key == K_RIGHT:          changeDirection = 'right'        if event.key == K_LEFT:          changeDirection = 'left'        if event.key == K_UP:          changeDirection = 'up'        if event.key == K_DOWN:          changeDirection = 'down'        if event.key == K_SPACE:          pygame.event.post(pygame.event.Event(QUIT))     # 根據鍵盤反應確定方向    if changeDirection == 'left' and not direction == 'right':      direction = changeDirection     if changeDirection == 'right' and not direction == 'left':      direction = changeDirection     if changeDirection == 'up' and not direction == 'down':      direction = changeDirection     if changeDirection == 'down' and not direction == 'up':      direction = changeDirection      # 根據方向移動蛇頭的坐標    if direction == 'right':      snake_position[0] += 20     if direction == 'left':      snake_position[0] -= 20     if direction == 'up':      snake_position[1] -= 20     if direction == 'down':      snake_position[1] += 20     # 蛇與自身的碰撞檢測    for body in snake_body:      if snake_position[0] == body[0] and snake_position[1] == body[1]:        gameOver()     # 蛇移動    snake_body.insert(0,list(snake_position))       if snake_position[0] == target_position[0] and snake_position[1] == target_position[1]:      target_flag = 0    else:      # 如果沒吃到，蛇尾彈出棧      snake_body.pop()     # 如果吃掉目標方塊，重新生成一個目標方塊    if target_flag == 0:      x = random.randrange(1,32)      y = random.randrange(1,24)      # 20*20的像素為一個小矩形      target_position = [int(x*20),int(y*20)]      target_flag = 1     # 繪制顯示層    playSurface.fill(blackColor)     # 繪制蛇    for position in snake_body:      pygame.draw.rect(playSurface, redColor, Rect(position[0],position[1],20,20))     # 畫目標方塊    pygame.draw.rect(playSurface, whiteColor, Rect(target_position[0], target_position[1], 20, 20))     pygame.display.flip()     # 判斷死亡    if snake_position[0] > 620 or snake_position[1] < 0:      gameOver()    elif snake_position[1] > 460 or snake_position[1] < 0:      gameOver()     # 控制游戲的速度    fpsClock.tick(5) if __name__ == '__main__':  main()