save project

my_music.py

@@ -14,11 +14,27 @@ logo_img = pygame.image.load('/Users/zhangshuai/Documents/pygame_lesson04_diy/lo
 
 
 #载入音乐
 #载入音乐
 pygame.mixer.music.load('/Users/zhangshuai/Documents/pygame_lesson04_diy/歌曲2.wav')
 pygame.mixer.music.load('/Users/zhangshuai/Documents/pygame_lesson04_diy/歌曲2.wav')
+#初始播放音量
+volume=0.2
+pygame.mixer.music.set_volume(volume)
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type==locals.QUIT:
         if event.type==locals.QUIT:
             exit()
             exit()
+        #按键控制音量大小
+        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<0:
+                    volume=0
+                pygame.mixer.music.set_volume(volume)
+
     if pygame.mixer.music.get_busy()==False:
     if pygame.mixer.music.get_busy()==False:
         pygame.mixer.music.play()
         pygame.mixer.music.play()