save project

my_music.py

@@ -12,12 +12,22 @@ last_img = pygame.image.load('last.png')  # 上一曲按钮
 next_img = pygame.image.load('next.png')  # 下一曲按钮
 next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 中间logo
 logo_img = pygame.image.load('logo.png')  # 中间logo
 pygame.mixer.music.load('歌曲4.ogg')
 pygame.mixer.music.load('歌曲4.ogg')
-a=0.2
+sound=0.2
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type==pygame.QUIT:
         if event.type==pygame.QUIT:
             exit()
             exit()
-    if set
+        if event.type==pygame.KEYDOWN:
+            if event.key==pygame.K_UP:
+                sound+=0.2
+                if sound>1:
+                    sound=1
+                pygame.mixer_music.set_volume(sound)
+            if event.key==pygame.K_DOWN:
+                sound-=0.2
+                if sound<0:
+                    sound=0
+                pygame.mixer_music.set_volume(sound)
     if pygame.mixer.music.get_busy()==False:
     if pygame.mixer.music.get_busy()==False:
         pygame.mixer.music.play()
         pygame.mixer.music.play()
     # 绘制画面
     # 绘制画面