save project

my_game.py

@@ -15,7 +15,7 @@ apple = pygame.image.load('bush.png')      # 灌木丛
 hero = [pygame.image.load('hero1.png'),pygame.image.load('hero2.png'),pygame.image.load('hero3.png'),pygame.image.load('hero4.png'),pygame.image.load('hero5.png')]
 index = 0 
 
-        
+  f=30      
 c='runing'
 y=400
 while True:
@@ -33,14 +33,18 @@ while True:
                 c='up'
     if c=='up':
         if y>150:
-            y=y-5
+            y-=f
+            f-=2
+
         else:
             c='down'
     if c=='down':
-        if y<400:
-            y=y+5
+        if y<30:
+            y+=f
+            f+=2
         else:
             c='runing'
+            
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(b, (150, y))