save project

my_game.py

@@ -21,6 +21,7 @@ pygame.display.set_caption("
 jumpS = "run"
 y = 400
 yy = 30
+roadx = 0
 
 while True:
     for event in pygame.event.get():
@@ -31,6 +32,7 @@ while True:
             if event.key == locals.K_SPACE:
                 if jumpS == "run":
                     jumpS = "up"
+                    print(roadx)
     if jumpS == "up":
         if yy > 0:
             y-=yy
@@ -46,11 +48,13 @@ while True:
             yy = 30
     # 将背景图画上去
     screen.blit(background, (0, 0))
-    screen.blit(road, (0, 500))
+    screen.blit(road, (roadx, 500))
     screen.blit(hero[index], (150, y))
     # 刷新画面
     pygame.display.update()
     FPS.tick(40)
     if jumpS == "run":
         index=(index+1)%5
-
+    roadx -= 5
+    if roadx == -1000:
+        roadx = 0
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