Python在线编译器Lightly轻松实现贪吃蛇游戏

pip install pygame

import pygame
import random

# 初始化
pygame.init()
width, height = 400, 300
screen = pygame.display.set_mode((width, height))
pygame.display.set_caption("贪吃蛇 - 极简中文版")
clock = pygame.time.Clock()

# 颜色定义
black = (0, 0, 0)
green = (0, 255, 0)
red = (255, 0, 0)
white = (255, 255, 255)

# 蛇和食物初始化
snake = [(width // 2, height // 2)]
food = (random.randint(0, (width - 10) // 10) * 10, 
        random.randint(0, (height - 10) // 10) * 10)
dx, dy = 10, 0  # 初始向右移动

# 字体设置（支持中文）
try:
    font = pygame.font.Font(None, 30)
except:
    pass

try:
    font = pygame.font.SysFont("SimHei", 25)  # 黑体
except:
    font = pygame.font.SysFont("Microsoft YaHei", 25)  # 微软雅黑
    if not font:
        font = pygame.font.SysFont("arial", 25)  # 兜底方案

# 游戏主循环
running = True
game_over = False
score = 0

while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

        # 游戏进行中的键盘控制
        if not game_over:
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_UP and dy == 0:
                    dx, dy = 0, -10
                elif event.key == pygame.K_DOWN and dy == 0:
                    dx, dy = 0, 10
                elif event.key == pygame.K_LEFT and dx == 0:
                    dx, dy = -10, 0
                elif event.key == pygame.K_RIGHT and dx == 0:
                    dx, dy = 10, 0
        else:
            # 游戏结束后的键盘控制
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_r:
                    # 重新开始
                    snake = [(width // 2, height // 2)]
                    food = (random.randint(0, (width - 10) // 10) * 10,
                            random.randint(0, (height - 10) // 10) * 10)
                    dx, dy = 10, 0
                    score = 0
                    game_over = False
                elif event.key == pygame.K_q:
                    running = False

    # 游戏结束画面
    if game_over:
        screen.fill(black)
        game_over_text = font.render("游戏结束！", True, red)
        score_text = font.render(f"得分: {score}", True, white)
        restart_text = font.render("按 R 重新开始, Q 退出", True, white)
        screen.blit(game_over_text, (width // 2 - 60, height // 2 - 40))
        screen.blit(score_text, (width // 2 - 50, height // 2))
        screen.blit(restart_text, (width // 2 - 100, height // 2 + 40))
        pygame.display.flip()
        continue

    # 蛇的移动逻辑
    head = snake[0]
    new_head = ((head[0] + dx) % width, (head[1] + dy) % height)
    snake.insert(0, new_head)

    # 食物检测
    if new_head == food:
        food = (random.randint(0, (width - 10) // 10) * 10,
                random.randint(0, (height - 10) // 10) * 10)
        score += 1
    else:
        snake.pop()

    # 碰撞检测（撞到自己）
    if snake[0] in snake[1:]:
        game_over = True

    # 绘制游戏画面
    screen.fill(black)
    # 绘制蛇身
    for part in snake:
        pygame.draw.rect(screen, green, (*part, 10, 10))
    # 绘制食物
    pygame.draw.rect(screen, red, (*food, 10, 10))
    # 显示分数
    score_surface = font.render(f"得分: {score}", True, white)
    screen.blit(score_surface, (10, 10))

    pygame.display.flip()
    clock.tick(10)  # 控制游戏速度

pygame.quit()