save project

my_game.py

@@ -27,6 +27,7 @@ rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
 road_x = 0
+bg_x = 0
 
 while True:
     for event in pygame.event.get():
@@ -59,10 +60,13 @@ while True:
         if index >= 5:
             index = 0
     road_x -= 8
+    bg_x -= 3 
     if road_x <= -1000:
         road_x = 0
+    if bg_x <= -1000:
+        bg_x = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
+    screen.blit(background, (bg_x, 0))     # 远处背景
     screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
@@ -73,6 +77,7 @@ while True:
         rect.x = 1000
         rect.y = 500 - rect.height
     rect.x -= 8
+    
     screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()