用chartGPT自动生成的贪吃蛇游戏

import pygame
import time
import random

# 初始化 Pygame 库
pygame.init()

# 定义游戏窗口大小
WINDOW_WIDTH = 500
WINDOW_HEIGHT = 500

# 定义游戏速度
SPEED = 15

# 创建游戏窗口
screen = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))

# 设置游戏标题
pygame.display.set_caption("贪吃蛇游戏")

# 定义颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
GREEN = (0, 255, 0)

# 游戏字符大小
FONT_STYLE = pygame.font.SysFont(None, 30)


# 显示分数
def show_score(score):
    score_text = FONT_STYLE.render("分数: " + str(score), True, WHITE)
    screen.blit(score_text, [0, 0])


# 绘制蛇
def draw_snake(snake_block, snake_list):
    for x in snake_list:
        pygame.draw.rect(screen, GREEN, [x[0], x[1], snake_block, snake_block])


# 主函数
def game_loop():
    # 设置蛇的初始位置和长度
    snake_block = 10
    snake_speed_x = 0
    snake_speed_y = 0

    # 初始位置 (x,y) 坐标
    x1 = WINDOW_WIDTH / 2
    y1 = WINDOW_HEIGHT / 2

    # 蛇的初始长度
    snake_List = []
    Length_of_snake = 1

    # 食物的位置
    foodx = round(random.randrange(0, WINDOW_WIDTH - snake_block) / 10.0) * 10.0
    foody = round(random.randrange(0, WINDOW_HEIGHT - snake_block) / 10.0) * 10.0

    # 游戏是否结束的标志位
    game_over = False

    # 记录得分
    score = 0

    # 游戏循环
    while not game_over:

        # 处理游戏事件
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                game_over = True

            # 处理按键事件
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    snake_speed_x = -snake_block
                    snake_speed_y = 0
                elif event.key == pygame.K_RIGHT:
                    snake_speed_x = snake_block
                    snake_speed_y = 0
                elif event.key == pygame.K_UP:
                    snake_speed_y = -snake_block
                    snake_speed_x = 0
                elif event.key == pygame.K_DOWN:
                    snake_speed_y = snake_block
                    snake_speed_x = 0

        # 更新蛇头的位置
        x1 += snake_speed_x
        y1 += snake_speed_y

        # 判断是否吃到食物
        if x1 == foodx and y1 == foody:
            foodx = round(random.randrange(0, WINDOW_WIDTH - snake_block) / 10.0) * 10.0
            foody = round(random.randrange(0, WINDOW_HEIGHT - snake_block) / 10.0) * 10.0
            Length_of_snake += 1
            score += 10

        # 游戏结束的条件
        if x1 < 0 or x1 >= WINDOW_WIDTH or y1 < 0 or y1 >= WINDOW_HEIGHT:
            game_over = True

        # 更新蛇的列表
        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_over = True

        # 绘制游戏界面
        screen.fill(BLACK)
        pygame.draw.rect(screen, RED, [foodx, foody, snake_block, snake_block])
        draw_snake(snake_block, snake_List)
        show_score(score)
        pygame.display.update()

        # 控制游戏速度
        clock = pygame.time.Clock()
        clock.tick(SPEED)

    # 退出 Pygame 库
    pygame.quit()
    quit()

if __name__ == '__main__':
    game_loop()