存储项目的大部分函数

game_functions.py

@@ -312,3 +312,42 @@ def check_aliens_bottom(ai_settings, screen, stats, sb, ship, aliens, bullets):
             # 像飞船被撞到一样进行处理
             ship_hit(ai_settings, screen, stats, sb, ship, aliens, bossalien, bullets)
             break
+
+
+def check_play_button(ai_settings, screen, stats, sb, play_button, ship, aliens, bullets, mouse_x, mouse_y):
+    """在玩家单击Play按钮时开始新游戏"""
+    button_clicked = play_button.rect.collidepoint(mouse_x, mouse_y)
+    if button_clicked and not stats.game_active:
+        # 增加：播放音效
+        pygame.mixer.init()
+        sound = pygame.mixer.Sound('sounds/clickbuttons.wav')
+        sound.play()
+
+        # 重置游戏设置
+        ai_settings.initialize_dynamic_settings()
+        # 隐藏光标
+        pygame.mouse.set_visible(False)
+        # 重置游戏统计信息
+        stats.reset_stats()
+        stats.game_active = True
+
+        # 重置记分牌图像
+        sb.prep_score()
+        sb.prep_high_score()
+        sb.prep_level()
+        sb.prep_ships()
+
+        # 清空外星人列表和子弹列表
+        aliens.empty()
+        bullets.empty()
+
+        # 创建一群新的外星人，并让飞船居中
+        create_fleet(ai_settings, screen, ship, aliens)
+        ship.center_ship()
+
+
+def check_high_score(stats, sb):
+    """检查是否诞生了新的最高得分"""
+    if stats.score > stats.high_score:
+        stats.high_score = stats.score
+        sb.prep_high_score()