save project

my_game.py

@@ -17,19 +17,29 @@ hero = [pygame.image.load('hero1.png'), pygame.image.load('hero2.png'),
  pygame.image.load('hero4.png'),
 pygame.image.load('hero5.png')]
 
-
+y=400
 index = 0 
-
+j="runing"
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_SPACE:
+                j='up'
+    if j=='up':
+        if y>150:
+            y-=25
+        else:
+            j='down'
+    if j=='down':
+        if y<400:
+            y+=25
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
-    screen.blit(hero[index], (150, 400))
+    screen.blit(hero[index], (150, y ))
     index+=1
     if index>4:
         index=0