save project

my_game.py

@@ -16,7 +16,7 @@ pygame.image.load('hero2.png'),
 pygame.image.load('hero3.png'),
 pygame.image.load('hero4.png'),
 pygame.image.load('hero5.png')]
-pygame.display.set_caption("跑酷比赛正式开始"")
+pygame.display.set_caption("跑酷比赛正式开始")
 index = 0 
 heroLenth=len(hero)
 state="running"
@@ -29,19 +29,24 @@ while True:
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_SPACE:
                 state="up"
-    if state="up":
+    if state=="up":
         if y >= 150:
             y-=5
         else:
             state="down"
-    
+    if state=="down":
+        if y <= 400:
+            y+=5
+        else:
+            state="running"
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(hero[index], (150, y))
-    index+=1
-    if index>4:
-        index=0
+    if state == "running":
+        index+=1
+        if index>4:
+            index=0
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
\ No newline at end of file