save project

my_game.py

@@ -22,6 +22,9 @@ index = 0
 y = 400 
 jumpState = "runing"
 t = 30
+road_x = 0
+bg_x = 0
+
 obstacle = random.choice([bush, stone, cacti])
 rect = obstacle.get_rect()
 rect.x = 1000
@@ -57,8 +60,16 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))
-    screen.blit(road, (0, 500))
+    bg_x -= 1
+    if bg_x <= -1000:
+        bg_x = 0
+    screen.blit
+    screen.blit(background, (bg_x, 0))
+    road_x -= 8
+    if road_x <= -1000:
+        road_x = 0
+
+    screen.blit(road, (road_x, 500))
     screen.blit(wukong, (150, y))
 
     if rect.x <= 0-rect.width: