save project

my_music.py

@@ -15,11 +15,23 @@ pygame.mixer.music.load('歌曲1.wav')
 pygame.mixer.music.load('歌曲2.wav')
 pygame.mixer.music.load('歌曲3.wav')
 pygame.mixer.music.load('歌曲4.ogg')
-
+volume = 0.8
+pygame.mixer.music.set_volume(volume)
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
+        if event.type == locals.KEYDOWN:
+            if event.type == locals.K_UP:
+                volume += 0.1
+                if volume > 1:
+                    volume=1
+                pygame_music.set_volume(volume)
+            if event.type == locals.K_DOWN:
+                volume -= 0.1
+                if volume < 0:
+                    volume=0
+                pygame_music.set_volume(volume)
     if pygame.mixer.music.get_busy() == False:
         pygame.mixer.music.play()
     # 绘制画面