save project

my_music.py

@@ -22,6 +22,12 @@ pygame.mixer.music.set_volume(volume)  # 初始播放音量
 click = 0
 click = 0
 play_button = stop_img
 play_button = stop_img
 
 
+num=-1
+volume=0.2
+pygame.mixer_music.set_volume(volume)
+click=0
+play_button=stop_img
+
 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:
@@ -51,10 +57,20 @@ while True:
                         play_button = play_img
                         play_button = play_img
                         pygame.mixer.music.pause()
                         pygame.mixer.music.pause()
 
 
+                if x>120 and x<220 and y>350 and y<400:
+                    num-=1
+                    if num<0:
+                        num=len(music_list)-1
+                    pygame.mixer_music.load(music_list[num])
+                    pygame.mixer_music.play()
+                    click=0
+                    play_button=stop_img
+
     if pygame.mixer.music.get_busy() == False:
     if pygame.mixer.music.get_busy() == False:
-        pygame.mixer.music.play()
+        num+=1
         if num>len(music_list)-1:
         if num>len(music_list)-1:
             num=0
             num=0
+            print(num)
         pygame.mixer_music.load(music_list[num])
         pygame.mixer_music.load(music_list[num])
         pygame.mixer_music.play()
         pygame.mixer_music.play()