save project

my_game.py

@@ -19,7 +19,7 @@ hero = [pygame.image.load('hero1.png'),
 index = 0 
 y=400
 jump_state="run"    
-
+jl=15
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -28,25 +28,32 @@ while True:
             exit()
         if event.type==locals.KEYDOWN: 
             if event.key == locals.K_SPACE:
+                if jump_state=="run":
                     jump_state="up"
 
     if jump_state=="up":
         if y>150:
-            y-=5
+            y-=jl
+            jl-=0.2
         else:
             jump_state="down"
     if jump_state=="down":
         if y <400:
-            y+=5
+            y+=jl
+            jl+=0.2
         else:
-            jump_state=="run"    
+            print(jump_state)
+            jump_state="run"    
 
 
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
     screen.blit(hero[index], (150, y))
+       
+            
     # 刷新画面
+
     pygame.display.update()
     FPS.tick(60)
     index+=1