save project

my_game.py

@@ -16,6 +16,7 @@ hero = [pygame.image.load('hero1.png'),pygame.image.load('hero2.png'),pygame.ima
 index =0 
 y=400
 jump="running"
+t=30
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -30,15 +31,18 @@ while True:
         if event.key == locals.K_SPACE:
             jump="up"
     if jump=="up":
-        if y>150:
-            y-=5
+        if t>0:
+            y-=t
+            t-=2
         else:
             jump="down"
     if jump=="down":
-        if y<400:
-            y+=5
+        if t<30:
+            y+=t
+            t+=2
         else:
             jump="running"
+            t=30
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))