写一个雷霆战机的python小游戏

这是一个简单的雷霆战机小游戏，使用Python编写。

import pygame
import random

# 初始化游戏
pygame.init()

# 设置游戏窗口大小和标题
screen_width = 600
screen_height = 800
screen = pygame.display.set_mode((screen_width, screen_height))
pygame.display.set_caption("雷霆战机")

# 加载游戏背景
background = pygame.image.load("background.png").convert()

# 加载玩家飞机
player_img = pygame.image.load("player.png").convert()
player_img.set_colorkey((255, 255, 255))  # 设置透明色
player_rect = player_img.get_rect()
player_rect.centerx = screen_width // 2
player_rect.bottom = screen_height - 10

# 设置玩家飞机的移动速度
player_speed = 5

# 加载敌机
enemy_imgs = [
    pygame.image.load("enemy1.png").convert(),
    pygame.image.load("enemy2.png").convert(),
    pygame.image.load("enemy3.png").convert(),
]
for enemy_img in enemy_imgs:
    enemy_img.set_colorkey((255, 255, 255))
enemy_rects = []
for i in range(10):
    enemy_img = random.choice(enemy_imgs)
    enemy_rect = enemy_img.get_rect()
    enemy_rect.centerx = random.randint(0, screen_width)
    enemy_rect.bottom = random.randint(-1000, -100)
    enemy_rects.append(enemy_rect)

# 设置敌机的移动速度
enemy_speed = 3

# 加载子弹
bullet_img = pygame.image.load("bullet.png").convert()
bullet_img.set_colorkey((255, 255, 255))
bullet_rect = bullet_img.get_rect()

# 设置子弹的移动速度
bullet_speed = 10

# 记录玩家得分
score = 0

# 加载游戏音效
shoot_sound = pygame.mixer.Sound("shoot.wav")
explode_sound = pygame.mixer.Sound("explode.wav")

# 设置游戏循环
running = True
while running:
    # 处理游戏事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_ESCAPE:
                running = False

    # 处理玩家控制
    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT] and player_rect.left > 0:
        player_rect.move_ip(-player_speed, 0)
    if keys[pygame.K_RIGHT] and player_rect.right < screen_width:
        player_rect.move_ip(player_speed, 0)
    if keys[pygame.K_UP] and player_rect.top > 0:
        player_rect.move_ip(0, -player_speed)
    if keys[pygame.K_DOWN] and player_rect.bottom < screen_height:
        player_rect.move_ip(0, player_speed)
    if keys[pygame.K_SPACE]:
        # 发射子弹
        bullet_rect.centerx = player_rect.centerx
        bullet_rect.bottom = player_rect.top
        shoot_sound.play()

    # 移动敌机
    for enemy_rect in enemy_rects:
        enemy_rect.move_ip(0, enemy_speed)
        if enemy_rect.top > screen_height:
            enemy_rect.centerx = random.randint(0, screen_width)
            enemy_rect.bottom = random.randint(-1000, -100)

    # 移动子弹
    bullet_rect.move_ip(0, -bullet_speed)

    # 检测子弹是否击中敌机
    for enemy_rect in enemy_rects:
        if bullet_rect.colliderect(enemy_rect):
            enemy_rect.centerx = random.randint(0, screen_width)
            enemy_rect.bottom = random.randint(-1000, -100)
            bullet_rect.bottom = player_rect.top
            score += 1
            explode_sound.play()

    # 绘制游戏界面
    screen.blit(background, (0, 0))
    screen.blit(player_img, player_rect)
    for enemy_rect, enemy_img in zip(enemy_rects, enemy_imgs):
        screen.blit(enemy_img, enemy_rect)
    screen.blit(bullet_img, bullet_rect)
    font = pygame.font.Font(None, 36)
    score_text = font.render("Score: {}".format(score), True, (255, 255, 255))
    screen.blit(score_text, (10, 10))

    # 更新游戏界面
    pygame.display.update()

# 结束游戏
pygame.quit()

游戏玩法：

玩家通过键盘控制飞机移动，空格键发射子弹。敌机会从屏幕上方随机出现并向下移动，玩家需要控制飞机躲避敌机并尽可能地击落它们。当子弹击中敌机时，敌机会随机出现在屏幕上方并加分。游戏结束条件为玩家飞机被敌机撞击。