save project

my_game.py

@@ -73,7 +73,7 @@ while True:
          
     screen.blit(background, (bg_x, 0))
          # 远处背景
-    road_x -= 8
+    road_x -= 18
     if road_x <=-1000:
         road_x = 0
 
@@ -82,7 +82,7 @@ while True:
 
     if obstacle.rect.x <= 0-obstacle.rect.width:      # 障碍物消失      
         obstacle = Block(bush,stone,cacti)
-    obstacle.rect.x -= 8
+    obstacle.rect.x -= 18
     screen.blit(obstacle.image, (obstacle.rect.x,obstacle.rect.y)) 
     # 刷新画面
     pygame.display.update()