实现多场景来回切换

src/scenes/game_scene.py

@@ -1,12 +1,24 @@
+import os
+
 import pygame
 
-from src.config.game_config import GameConfig
+from src.config.game_config import data_path, GameConfig
 from src.scenes.base_scene import BaseScene
 
 
 class GameScene(BaseScene):
+    name = "GameScene"
     def __init__(self, screen, clock):
         super().__init__(screen, clock)
+        # 初始化音乐
+        pygame.mixer.init()
+        # 播放并循环音乐
+        pygame.mixer_music.load(os.path.join(data_path(), "vespidaze-upbeat-rpg-battle-460971.mp3"))
+        pygame.mixer_music.play(-1)
+
+        self.back_status = False
+
+        # 状态值
         self.dirty_x = 400
         self.dirty_y = 300
 
@@ -21,6 +33,8 @@ class GameScene(BaseScene):
         self.BLUE = (0, 0, 255)
 
     def update(self):
+        if self.back_status:
+            self.switch_to_scene("MainMenuScene")
         if self.Left_status and self.dirty_x >= 0:
             self.dirty_x -= 1
         if self.right_status and self.dirty_x <= GameConfig.window_x - 20:
@@ -29,11 +43,26 @@ class GameScene(BaseScene):
             self.dirty_y -= 1
         if self.down_status and self.dirty_y <= GameConfig.window_y - 30:
             self.dirty_y += 1
+            # 填充窗口颜色
+        self.screen.fill((255, 255, 255))
+
+        # 绘制矩形(移动体和固定体)
         dirty = pygame.draw.rect(self.screen, self.BLUE, [self.dirty_x, self.dirty_y, 20, 30])
+        enemy = pygame.draw.rect(self.screen, self.RED, [40, 60, 10, 10])
+
+        # 碰撞监测
+        if dirty.colliderect(enemy):
+            print("die")
+            self.dirty_x = 400
+            self.dirty_y = 300
+            dirty = pygame.draw.rect(self.screen, self.BLUE, [self.dirty_x, self.dirty_y, 20, 30])
 
     def handle_event(self, event):
+        # 按下按键
         if event.type == pygame.KEYDOWN:
-            if event.key == pygame.K_LEFT or event.key == pygame.K_a:
+            if event.key == pygame.K_ESCAPE:
+                self.back_status = True
+            elif event.key == pygame.K_LEFT or event.key == pygame.K_a:
                 self.Left_status = True
             elif event.key == pygame.K_RIGHT or event.key == pygame.K_d:
                 self.right_status = True
@@ -41,6 +70,7 @@ class GameScene(BaseScene):
                 self.up_status = True
             elif event.key == pygame.K_DOWN or event.key == pygame.K_s:
                 self.down_status = True
+        # 松开按键
         elif event.type == pygame.KEYUP:
             if event.key == pygame.K_LEFT or event.key == pygame.K_a:
                 self.Left_status = False