添加鼠标点击功能

src/scenes/main_menu_scene.py

@@ -64,7 +64,7 @@ class MainMenuScene(BaseScene):
         if event.type == pygame.KEYDOWN:
             keys = pygame.key.get_pressed()  # 获取所有按键状态，用于组合按键判断
             if event.key == pygame.K_ESCAPE:
-                return "exit"  # 主循环接收返回，为exit时设置running为False，退出游戏
+                self.exit()  # 退出游戏
             elif keys[pygame.K_z] and keys[pygame.K_x]:  # 同时按下Z和X
                 self.button_status = True
 
@@ -122,11 +122,18 @@ class MainMenuScene(BaseScene):
             text_rect.centerx = screen_rect.centerx  # 将文本居中到屏幕
             text_rect.y = screen_rect.y + count * 2 * text_rect.height + screen_rect.centerx/2
             self.screen.blit(text, text_rect.topleft)
-            count += 1
             # 是否高亮显示
             if text_rect.y < self.mouse_pos[1] < text_rect.y + text_rect.height \
                     and text_rect.x < self.mouse_pos[0] < text_rect.x + text_rect.width:
                 pygame.draw.rect(self.screen, Color.white, text_rect, 1)
+                # 如果点击鼠标
+                if self.mouse_status:
+                    # 点击第一个选项
+                    if count == 0:
+                        self.switch_to_scene("GameScene")
+                    else:
+                        self.exit()
+            count += 1
 
 
     def init_rain(self, max_num):