import pygame
import random

# 初始化Pygame库
pygame.init()

# 游戏窗口的宽度和高度
width = 800
height = 600

# 创建游戏窗口
window = pygame.display.set_mode((width, height))
pygame.display.set_caption("吃豆")         #游戏窗口标题

# 定义各种颜色
black = (0, 0, 0)
white = (255, 255, 255)
yellow = (255, 255, 0)
red = (255, 0, 0)

# 定义吃豆人的初始位置和速度
pacman_x = width // 2
pacman_y = height // 2
pacman_speed = 5

# 定义豆子的数量和大小
dot_size = 10
dot_count = 100

# 创建豆子的列表
dots = []
for i in range(dot_count):
    dot_x = random.randint(0, width - dot_size)
    dot_y = random.randint(0, height - dot_size)
    dots.append((dot_x, dot_y))

# 游戏主循环
running = True
while running:
    # 处理事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    # 获取按键状态
    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT]:
        pacman_x -= pacman_speed
    if keys[pygame.K_RIGHT]:
        pacman_x += pacman_speed
    if keys[pygame.K_UP]:
        pacman_y -= pacman_speed
    if keys[pygame.K_DOWN]:
        pacman_y += pacman_speed

    # 碰撞检测
    for dot in dots:
        dot_x, dot_y = dot        #将(x,y)坐标解包到单独的变量
        if pacman_x < dot_x + dot_size and pacman_x + dot_size > dot_x and pacman_y < dot_y + dot_size and pacman_y + dot_size > dot_y:
            dots.remove(dot)

    # 渲染画面
    window.fill(black)
    pygame.draw.circle(window, yellow, (pacman_x, pacman_y), 20)
    for dot in dots:
        pygame.draw.rect(window, white, (dot[0], dot[1], dot_size, dot_size))
    pygame.display.flip()

# 退出游戏
pygame.quit()