auto save

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=8
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -69,6 +69,7 @@ while True:
         rect.x = 1000
         rect.y = 500 - rect.height
     rect.x -= 8
+    
     screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()