save project

my_game.py

@@ -27,6 +27,8 @@ rect = obstacle.get_rect()
 rect.x = 1000
 rect.y = 500 - rect.height
 
+dl = 0
+bg = 0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -58,8 +60,15 @@ 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
+    bg-=4
+    if bg<-1000:
+        bg=0
+
+    screen.blit(background, (bg, 0))     # 远处背景
+    dl-=8
+    if dl<-1000:
+        dl=0
+    screen.blit(road, (dl, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
     if rect.x <= 0-rect.width:      # 障碍物消失