save project

my_game.py

@@ -27,6 +27,7 @@ rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
 road_x=0
+round_x=0
 
 while True:
     for event in pygame.event.get():
@@ -59,7 +60,7 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
+    screen.blit(background, (round_x, 0))     # 远处背景
     screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
@@ -73,7 +74,10 @@ while True:
 
     if road_x <= -1000:
         road_x = 0
-    road_x -= 8    
+    road_x -= 8
+    if round_x <= -1000:
+        round_x = 0
+    round_x -= 1    
     screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()