pygame实现贪吃蛇小游戏

import pygame
import random# 游戏初始化
pygame.init()# 游戏窗口设置
win_width, win_height = 800, 600
window = pygame.display.set_mode((win_width, win_height))
pygame.display.set_caption("Snake Game")# 颜色设置
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
RED = (255, 0, 0)# 蛇的初始位置
snake_size = 20
snake_x = win_width // 2
snake_y = win_height // 2# 蛇的初始移动方向
snake_dx = 0
snake_dy = 0# 存储蛇身体的坐标
snake_body = []
snake_length = 1# 生成食物的随机位置
food_x = random.randint(0, win_width - snake_size) // snake_size * snake_size
food_y = random.randint(0, win_height - snake_size) // snake_size * snake_size# 游戏主循环
running = True
clock = pygame.time.Clock()while running:for event in pygame.event.get():if event.type == pygame.QUIT:running = False# 监听键盘事件，控制蛇的方向if event.type == pygame.KEYDOWN:if event.key == pygame.K_LEFT:snake_dx = -snake_sizesnake_dy = 0elif event.key == pygame.K_RIGHT:snake_dx = snake_sizesnake_dy = 0elif event.key == pygame.K_UP:snake_dx = 0snake_dy = -snake_sizeelif event.key == pygame.K_DOWN:snake_dx = 0snake_dy = snake_size# 更新蛇的位置snake_x += snake_dxsnake_y += snake_dy# 检查蛇是否碰到边界if snake_x < 0 or snake_x >= win_width or snake_y < 0 or snake_y >= win_height:running = False# 检查蛇是否吃到了食物if snake_x == food_x and snake_y == food_y:# 随机生成新的食物位置food_x = random.randint(0, win_width - snake_size) // snake_size * snake_sizefood_y = random.randint(0, win_height - snake_size) // snake_size * snake_sizesnake_length += 1# 更新蛇的身体snake_body.append((snake_x, snake_y))if len(snake_body) > snake_length:del snake_body[0]# 检查是否与自身碰撞if (snake_x, snake_y) in snake_body[:-1]:running = False# 绘制背景window.fill(BLACK)# 绘制蛇的身体for body_part in snake_body:pygame.draw.rect(window, GREEN, (body_part[0], body_part[1], snake_size, snake_size))# 绘制食物pygame.draw.rect(window, RED, (food_x, food_y, snake_size, snake_size))# 更新屏幕pygame.display.update()# 控制游戏帧率clock.tick(10)# 游戏结束，退出pygame
pygame.quit()