save project

my_music.py

@@ -14,14 +14,26 @@ logo_img = pygame.image.load('logo.png')  # 中间logo
 logo_a=pygame.mixer.music.load('歌曲4.ogg')
 logo_a=pygame.mixer.music.load('歌曲4.ogg')
 
 
 volume = 0.2
 volume = 0.2
-pygame.mixer.music.get_volume(volume)
+pygame.mixer.music.set_volume(volume)
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             exit()
             exit()
 
 
-    if  
+    if  event.type == locals.KEYDOWN:
+        if event.key == locals.K_UP:
+            volume += 0.1 
+            if volume > 1:
+                volume = 1
+            pygame.mixer.music.set_volume(volume)
+    if  event.type == locals.KEYDOWN:
+        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:            
     if pygame.mixer.music.get_busy()== False: