src/scenes/base_scene.py

@@ -3,9 +3,13 @@ import pygame
 class BaseScene:
     def __init__(self, screen: pygame.Surface):
         self.screen = screen
+        self.next_scene = None
 
     def update(self):
         pass
 
     def handle_event(self, events):
         pass
+
+    def switch_to_scene(self, scene_class):
+        self.next_scene = scene_class(self.screen)

src/scenes/game_scene.py

@@ -0,0 +1,9 @@
+import pygame
+from src.config.color import Color
+from src.scenes.base_scene import BaseScene
+
+
+class GameScene(BaseScene):
+
+    def update(self):
+        pygame.draw.rect(self.screen, Color.a, [10,20,30,40])

src/scenes/main_menu_scene.py

@@ -1,6 +1,7 @@
 import pygame
 from src.config.color import Color
 from src.scenes.base_scene import BaseScene
+from src.scenes.game_scene import GameScene
 
 
 class MainMenuScene(BaseScene):
@@ -11,7 +12,7 @@ class MainMenuScene(BaseScene):
     def update(self):
         pygame.draw.rect(self.screen, Color.white, [10,20,30,40])
         if self.button_status:
-            pygame.draw.rect(self.screen, Color.white, [50,20,30,40])
+            self.switch_to_scene(GameScene)
 
     def handle_event(self, event):
         if event.type == pygame.KEYDOWN:

start.py

@@ -31,6 +31,10 @@ class Game:
                     self.running = False
                 self.scene.handle_event(event)  # 当前场景接收事件
 
+            # 检查是否切换场景
+            if self.scene.next_scene is not None:
+                self.scene = self.scene.next_scene
+
             # 清屏
             self.screen.fill(GameConfig.bg_color)