save project

my_game.py

@@ -20,6 +20,7 @@ pygame.image.load('hero5.png')]
 index=0
 y=400
 jumpstate="raning"
+t=30
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -33,16 +34,18 @@ while True:
        if event.key==locals.K_SPACE:
            jumpstate="up"
     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="runing"
-
+            t=30
 
     # 将背景图画上去
     screen.blit(background, (0, 0))