save project

my_game.py

@@ -19,6 +19,7 @@ hero = [pygame.image.load('hero1.png'),
 index = 0 
 y=400
 jumpstate="running"
+t = 30
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -28,13 +29,15 @@ while True:
                jumpstate = "up" 
             # 接收到退出事件后退出程序
     if  jumpstate=="up":
-        if y > 150:
-            y-=5
+        if t > 0:
+            y-=t
+            t-=2
         else:
             jumpstate = "down"
     if  jumpstate=="down":
-        if y < 400:
-            y+=5
+        if t <= 30:
+            y+=t
+            t +=2
         else:
             jumpstate="running"