save project

my_game.py

@@ -31,6 +31,7 @@ index = 0
 y = 400
 jumpState = "runing"
 t = 30
+road_x = 0
 aa=Block(bush,cacti,stone)
 
 while True:
@@ -64,9 +65,9 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    shan_x -=2
-    if shan_x <-1000:
-        shan_x=0
+    road_x -=2
+    if road_x <-1000:
+        road_x=0
     screen.blit(background, (shan_x, 0))     # 远处背景
     lu_x -=8
     if lu_x <-1000: