save project

lesson4-diy1.py

@@ -14,10 +14,26 @@ logo_img = pygame.image.load('logo.png')  # 中间logo
 
 pygame.mixer.music.load("歌曲4.ogg")
 
+volume = 0.2
+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.key == 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()