save project

my_game.py

@@ -20,6 +20,8 @@ hero = [pygame.image.load('hero1.png'),
 index = 0 
 jumpState = 'running'
 y=400
+t=30
+
 
 while True:
     for event in pygame.event.get():
@@ -33,15 +35,18 @@ while True:
     if index == 5:
         index = 0
     if jumpState == 'jump':
-        if y>150:
-            y-=5
-        if y==150:
+        if t>=0:
+            y-=t
+            t-=2
+        else:
             jumpState='down'
     if jumpState == 'down':
-        if y<400:
-            y+=5
-        if y==400:
+        if t<=30:
+            y+=t
+            t+=2
+        else:
             jumpState='running'
+            t=30 
 
     # 将背景图画上去
     screen.blit(background, (0, 0))