save project

my_game.py

@@ -27,6 +27,8 @@ rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
 
+road_x = 0
+background_x = 0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -58,8 +60,8 @@ 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(road, (0, 500))     # 路
+    screen.blit(background, (background_x, 0))     # 远处背景
+    screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失
@@ -69,6 +71,14 @@ while True:
         rect.x = 1000
         rect.y = 500 - rect.height
     rect.x -= 8
+
+    road_x -= 8
+    if road_x <= -1000:
+        road_x = 8
+
+    background_x -= 1
+    if background_x <= -1000:
+        background_x = 0    
     screen.blit(obstacle, (rect.x, rect.y)) 
     # 刷新画面
     pygame.display.update()