save project

my_game.py

@@ -26,8 +26,11 @@ obstacle = random.choice([bush, stone, cacti])
 rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
+bg_x=0
+road_x=0
 
 while True:
+    
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序