save project

my_music.py

@@ -17,8 +17,16 @@ 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()
-    if pygame.mixer.music.get_busy()== False:     
-       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.key == locals.K_down:
+            volume -=0.1
+            if volume < 0:
+                volume = 0
     # 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
     screen.blit(stop_img, (270, 330))   # 暂停按钮
     screen.blit(stop_img, (270, 330))   # 暂停按钮