Python Pygame "Airplane Battle" Two‑Player Game Example

This article shares a complete Python source code for a two‑player “Airplane Battle” game built with Pygame, covering initialization, background scrolling, player controls, bullet and asteroid management, scoring, and the main game loop.

Key function def GamingInterface(num_player, screen): # 初始化 pygame.mixer.music.load(cfg.SOUNDPATHS['Cool Space Music']) pygame.mixer.music.set_volume(0.4) pygame.mixer.music.play(-1) explosion_sound = pygame.mixer.Sound(cfg.SOUNDPATHS['boom']) fire_sound = pygame.mixer.Sound(cfg.SOUNDPATHS['shot']) font = pygame.font.Font(cfg.FONTPATH, 20) # 游戏背景图 bg_imgs = [cfg.IMAGEPATHS['bg_big'], cfg.IMAGEPATHS['seamless_space'], cfg.IMAGEPATHS['space3']] bg_move_dis = 0 bg_1 = pygame.image.load(bg_imgs[0]).convert() bg_2 = pygame.image.load(bg_imgs[1]).convert() bg_3 = pygame.image.load(bg_imgs[2]).convert() # 玩家, 子弹和小行星精灵组 player_group = pygame.sprite.Group() bullet_group = pygame.sprite.Group() asteroid_group = pygame.sprite.Group() # 产生小行星的时间间隔 asteroid_ticks = 90 for i in range(num_player): player_group.add(Ship(i+1, cfg)) clock = pygame.time.Clock() # 分数 score_1, score_2 = 0, 0 # 游戏主循环 while True: for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() sys.exit() # --玩家一: ↑↓←→控制, j射击; 玩家二: wsad控制, 空格射击 pressed_keys = pygame.key.get_pressed() for idx, player in enumerate(player_group): direction = None if idx == 0: if pressed_keys[pygame.K_UP]: direction = 'up' elif pressed_keys[pygame.K_DOWN]: direction = 'down' elif pressed_keys[pygame.K_LEFT]: direction = 'left' elif pressed_keys[pygame.K_RIGHT]: direction = 'right' if direction: player.move(direction) if pressed_keys[pygame.K_j] and player.cooling_time == 0: fire_sound.play() bullet_group.add(player.shot()) player.cooling_time = 20 elif idx == 1: if pressed_keys[pygame.K_w]: direction = 'up' elif pressed_keys[pygame.K_s]: direction = 'down' elif pressed_keys[pygame.K_a]: direction = 'left' elif pressed_keys[pygame.K_d]: direction = 'right' if direction: player.move(direction) if pressed_keys[pygame.K_SPACE] and player.cooling_time == 0: fire_sound.play() bullet_group.add(player.shot()) player.cooling_time = 20 if player.cooling_time > 0: player.cooling_time -= 1 if (score_1 + score_2) < 500: background = bg_1 elif (score_1 + score_2) < 1500: background = bg_2 else: background = bg_3 # --向下移动背景图实现飞船向上移动的效果 screen.blit(background, (0, -background.get_rect().height + bg_move_dis)) screen.blit(background, (0, bg_move_dis)) bg_move_dis = (bg_move_dis + 2) % background.get_rect().height # --生成小行星 if asteroid_ticks == 0: asteroid_ticks = 90 asteroid_group.add(Asteroid(cfg)) else: asteroid_ticks -= 1 # --画飞船 for player in player_group: if pygame.sprite.spritecollide(player, asteroid_group, True, None): player.explode_step = 1 explosion_sound.play() elif player.explode_step > 0: if player.explode_step > 3: player_group.remove(player) if len(player_group) == 0: return else: player.explode(screen) else: player.draw(screen) # --画子弹 for bullet in bullet_group: bullet.move() if pygame.sprite.spritecollide(bullet, asteroid_group, True, None): bullet_group.remove(bullet) if bullet.player_idx == 1: score_1 += 1 else: score_2 += 1 else: bullet.draw(screen) # --画小行星 for asteroid in asteroid_group: asteroid.move() asteroid.rotate() asteroid.draw(screen) # --显示分数 score_1_text = '玩家一得分: %s' % score_1 score_2_text = '玩家二得分: %s' % score_2 text_1 = font.render(score_1_text, True, (0, 0, 255)) text_2 = font.render(score_2_text, True, (255, 0, 0)) screen.blit(text_1, (2, 5)) screen.blit(text_2, (2, 35)) # --屏幕刷新 pygame.display.update() clock.tick(60)

Entry point def main(): pygame.init() pygame.font.init() pygame.mixer.init() screen = pygame.display.set_mode(cfg.SCREENSIZE) pygame.display.set_caption('飞机大战 —— 九歌') num_player = StartInterface(screen, cfg) if num_player == 1: while True: GamingInterface(num_player=1, screen=screen) EndInterface(screen, cfg) else: while True: GamingInterface(num_player=2, screen=screen) EndInterface(screen, cfg) if __name__ == '__main__': main()

The page also includes promotional material with QR codes for free Python courses, but the core educational value lies in the complete, runnable game source code and its explanation.