save project

my_game.py

@@ -20,6 +20,7 @@ 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:
@@ -27,24 +28,28 @@ while True:
             exit()
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_SPACE:
+                if jumpState=="running":
                     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='running'
-
+            t=30
 
 
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(hero[index], (150, y))  
+    if jumpState=="running":
         index+=1
     if index>4:
         index=0