save project

my_game.py

@@ -69,6 +69,14 @@ while True:
         index += 1
         index += 1
         if index >= 5:
         if index >= 5:
             index = 0
             index = 0
+    bg_x -=1
+    if bg_x<=-1000:
+        bg_x = 0
+    screen.blit(background,(bg_x,0))
+    road_x -= 8
+    if road_x<=-1000:
+        road_x=0
+    screen.blit(road,(road_x,500))
     # 将背景图画上去
     # 将背景图画上去
     shan_x -=2
     shan_x -=2
     if shan_x <-1000:
     if shan_x <-1000: