save project

my_music.py

@@ -18,8 +18,21 @@ while True:
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
 
 
             exit()
             exit()
-        if pygame mixer.music.get_busy()==False:
+        if event.type==locals.KEYDOWN:
+            if event.ket==locals.k_up:
+                volume+=0.1
+                if volume>1:
+                 volume=1
+                 pygame.mixer.music.set-volume(volume)
+            if event.key ==locals.k.DOWN:
+                volume-=0.1
+                if volume < 0:
+                    volume=0
+            pygame.mixer.music.set_volume(volume)
+
+        if pygame. mixer.music.get_busy()==False:
             pygame.mixer.music.play()
             pygame.mixer.music.play()
+            
 
 
     # 绘制画面
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(bg_img, (0, 0))      # 填充背景