编写贪吃蛇的python游戏代码

很荣幸为您编写贪吃蛇游戏的Python代码，具体如下：

import pygame
import random

pygame.init()

# 颜色
white = (255, 255, 255)
yellow = (255, 255, 102)
black = (0, 0, 0)
red = (213, 50, 80)
green = (0, 255, 0)
blue = (50, 153, 213)

# 屏幕大小
dis_width = 800
dis_height = 600

# 字体
font_style = pygame.font.SysFont(None, 30)


def message(msg, color):
    """
    显示消息文本
    :param msg: 消息内容
    :param color: 消息颜色
    """
    mesg = font_style.render(msg, True, color)
    dis.blit(mesg, [dis_width / 6, dis_height / 3])


# 屏幕
dis = pygame.display.set_mode((dis_width, dis_height))
pygame.display.set_caption('Snake Game')

# FPS（每秒钟帧数）
clock = pygame.time.Clock()

# 蛇的大小
snake_block = 10

# 移动速度
snake_speed = 25

# 字体
font_style = pygame.font.SysFont(None, 50)


def our_snake(snake_block, snake_list):
    """
    绘制蛇的位置
    :param snake_block: 蛇的大小
    :param snake_list: 蛇的位置列表
    :return:
    """
    for x in snake_list:
        pygame.draw.rect(dis, black, [x[0], x[1], snake_block, snake_block])


def game_loop():
    """
    游戏主循环
    :return:
    """
    game_over = False
    game_close = False

    # 起始位置
    x1 = dis_width / 2
    y1 = dis_height / 2

    # x, y 轴变动量
    x1_change = 0
    y1_change = 0

    # 初始化蛇的位置（长度为1）
    snake_List = []
    Length_of_snake = 1

    # 食物
    foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
    foody = round(random.randrange(0, dis_height - snake_block) / 10.0) * 10.0

    while not game_over:

        # 游戏结束后，显示界面
        while game_close == True:
            dis.fill(blue)
            message("You Lost! Press Q-Quit or C-Play Again", red)

            pygame.display.update()

            for event in pygame.event.get():
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_q:
                        game_over = True
                        game_close = False
                    if event.key == pygame.K_c:
                        game_loop()

        # 执行键盘事件
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                game_over = True
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    x1_change = -snake_block
                    y1_change = 0
                elif event.key == pygame.K_RIGHT:
                    x1_change = snake_block
                    y1_change = 0
                elif event.key == pygame.K_UP:
                    y1_change = -snake_block
                    x1_change = 0
                elif event.key == pygame.K_DOWN:
                    y1_change = snake_block
                    x1_change = 0

        # 蛇的位置计算
        if x1 >= dis_width or x1 < 0 or y1 >= dis_height or y1 < 0:
            game_close = True

        x1 += x1_change
        y1 += y1_change

        # 白色背景
        dis.fill(blue)

        # 食物绘制
        pygame.draw.rect(dis, green, [foodx, foody, snake_block, snake_block])

        # 蛇的绘制
        snake_Head = []
        snake_Head.append(x1)
        snake_Head.append(y1)
        snake_List.append(snake_Head)

        if len(snake_List) > Length_of_snake:
            del snake_List[0]

        for x in snake_List[:-1]:
            if x == snake_Head:
                game_close = True

        our_snake(snake_block, snake_List)

        # 得分
        pygame.display.update()

        if x1 == foodx and y1 == foody:
            print("Yummy!!")
            Length_of_snake += 1
            foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
            foody = round(random.randrange(0, dis_height - snake_block) / 10.0) * 10.0

        # FPS（每秒钟帧数）
        clock.tick(snake_speed)

    # 退出游戏
    pygame.quit()

    # 关闭程序
    quit()


# 开始游戏
game_loop()

这是一个简单的贪吃蛇游戏，包括蛇的运动、食物的生成和得分，最后还有一个游戏失败的判断。请您直接拷贝该代码到您的Python开发环境中运行即可。