save project

my_game.py

@@ -26,7 +26,7 @@ obstacle = random.choice([bush, stone, cacti])
 rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
-
+roadx=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -70,6 +70,10 @@ while True:
         rect.y = 500 - rect.height
     rect.x -= 8
     screen.blit(obstacle, (rect.x, rect.y)) 
+    roadx-=8
+    if roadx<=-1000:
+        roadx=0
+    screen.blit(road,(roadx,500))
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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