save project

my_music.py

@@ -14,6 +14,8 @@ logo_img = pygame.image.load('logo.png')  # 中间logo
 
 pygame.mixer.music.load("歌曲4.ogg")
 pygame.mixer.music.play()
+vl = 0.5
+pygame.mixer.music.set_volume(vl)
 
 while True:
     for event in pygame.event.get():
@@ -21,6 +23,15 @@ while True:
             exit()
     if pygame.mixer.music.get_busy() == False:
         pygame.mixer.music.play()
+    if event.type == locals.KEYDOWN:
+        if event.key == locals.K_UP:
+            vl += 0.02
+            if vl > 1:
+                vl = 1
+        if event.key == locals.K_DOWN:
+            vl -= 0.02
+            if vl < 0:
+                vl = 0
 
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景