save project

my_game.py

@@ -24,7 +24,11 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    wukong=hero[2]
+    wukong=hero[index]
+    if index<=3:
+        index+=1
+    else:
+        index=0
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))