save project

my_game.py

@@ -21,24 +21,28 @@ index = 0
 heroLenth=len(hero)
 state="running"
 y = 400
+t = 30
 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:
+            if event.key==locals.K_SPACE and state == "running":
                 state="up"
     if state=="up":
-        if y >= 150:
-            y-=5
+        if t > 0:
+            y-=t
+            t-=2
         else:
             state="down"
     if state=="down":
-        if y <= 400:
-            y+=5
+        if t <= 30:
+            y += t
+            t += 2
         else:
             state="running"
+            t -= 2
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))