save project

snake.py

@@ -16,10 +16,28 @@ next_img = pygame.image.load('next.png')        # 头 朝左
 logo_img = pygame.image.load('logo.png')            # 头 朝        # 头 朝下
 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.tyte==locals.QUIT()
             exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_w:
+                volume+=0.1
+                if volume>1:
+                    volume=1
+                pygame.mixer.music.set_volume(volume)
+            if event.key==locals.K_s:
+                volume-=0,1
+                if volume<1:
+                    volume=1
+                pygame.mixer.music.set_volume(volume)
+
+
+
+
 
         if pygame.mixer.music.get_busy()==False:
             pygame.mixer.music.play()