save project

my_music.py

@@ -14,6 +14,9 @@ logo_img = pygame.image.load('logo.png')  # 中间logo
 
 
 pygame.mixer.music.load('歌曲1.wav')
 pygame.mixer.music.load('歌曲1.wav')
 
 
+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():
@@ -21,9 +24,18 @@ while True:
             exit()
             exit()
         if pygame.mixer.music.get_busy() == False:
         if pygame.mixer.music.get_busy() == False:
             pygame.mixer.music.play()
             pygame.mixer.music.play()
-
-
-
+        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.type == locals.KEYDOWN:
+            if event.key == locals.K_DOWN:
+                volume -= 0.1
+                if volume < 0:
+                    volume == 0
+            pygame.mixer.music.set_volume(volume)                
 
 
     # 绘制画面
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(bg_img, (0, 0))      # 填充背景