实现多场景来回切换

start.py

@@ -1,6 +1,7 @@
 import pygame
 
 from src.config.game_config import GameConfig
+from src.config.scenes import scene_dict
 from src.scenes.main_menu_scene import MainMenuScene
 
 
@@ -16,8 +17,10 @@ class Game:
         # 设置计时器
         self.clock = pygame.time.Clock()
 
+        # 场景字典
+        self.game_scenes = scene_dict
         # 当前场景
-        self.scene = MainMenuScene(self.screen, self.clock)
+        self.scene = self.game_scenes["MainMenuScene"](self.screen, self.clock)
 
         # 运行循环
         self.running = True
@@ -35,7 +38,9 @@ class Game:
 
             # 检查是否切换场景
             if self.scene.next_scene is not None:
-                self.scene = self.scene.next_scene
+                if self.scene.next_scene in self.game_scenes.keys():
+                    scene_class = self.game_scenes[self.scene.next_scene]
+                    self.scene = scene_class(self.screen, self.clock)
 
             # 清屏
             self.screen.fill(GameConfig.bg_color)