save project

my_game.py

@@ -18,6 +18,9 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
         pygame.image.load('hero5.png')]
+road_x=0
+bg_x=0
+
 index = 0 
 index = 0 
 y=400
 y=400
 i=0
 i=0
@@ -60,9 +63,13 @@ while True:
         rect.y=500-rect.height
         rect.y=500-rect.height
         rect.x=1000
         rect.x=1000
     rect.x-=8
     rect.x-=8
+    road_x-=8
+    if road_x<=-1000:
+        road_x=0
+        bg_x-=10
     # 将背景图画上去
     # 将背景图画上去
-    screen.blit(background, (0, 0))
-    screen.blit(road, (0, 500))
+    screen.blit(background, (bg_x, 0))
+    screen.blit(road, (road_x, 500))
     screen.blit(wukong, (150,y))
     screen.blit(wukong, (150,y))
     screen.blit(obstacle,(rect.x,rect.y))
     screen.blit(obstacle,(rect.x,rect.y))
     # 刷新画面
     # 刷新画面