save project

my_game.py

@@ -25,6 +25,7 @@ t = 30
 obstacle = random.choice([bush, stone, cacti])
 rect = obstacle.get_rect()
 road_x = 0
+bg_x = 0
 rect.x = 1000
 rect.y = 500 - rect.height
 
@@ -59,9 +60,12 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
+    bg_x -=3
+    if bg_x < -1000:
+        bg_x = 0
+    screen.blit(background, (bg_x, 0))     # 远处背景
     road_x -= 8
-    if road_x < 0:
+    if road_x < -1000:
         road_x = 0
     screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空