Pygame :敌人的移动循环

import pygame
import random

# 初始化Pygame
pygame.init()

# 设置游戏窗口大小
window_width = 800
window_height = 600
window = pygame.display.set_mode((window_width, window_height))

# 定义敌人的初始位置和速度
enemy_x = 400
enemy_y = 300
enemy_speed = 5

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

    # 移动敌人
    enemy_x += random.randint(-1, 1) * enemy_speed
    enemy_y += random.randint(-1, 1) * enemy_speed

    # 边界检测，防止敌人移出游戏窗口
    if enemy_x < 0:
        enemy_x = 0
    elif enemy_x > window_width:
        enemy_x = window_width
    if enemy_y < 0:
        enemy_y = 0
    elif enemy_y > window_height:
        enemy_y = window_height

    # 渲染游戏画面
    window.fill((0, 0, 0))  # 清空窗口
    pygame.draw.circle(window, (255, 0, 0), (enemy_x, enemy_y), 20)  # 绘制敌人
    pygame.display.flip()  # 更新窗口显示

# 退出游戏
pygame.quit()