save project

my_game.py

@@ -21,6 +21,8 @@ hero = [pygame.image.load('hero1.png'),
 index = 0
 y = 400
 t = 30
+road_x = 0
+beijing_x = 0
 jump = "running"
 rect = cacti.get_rect()
 rect.x = 1000
@@ -55,8 +57,14 @@ while True:
         if index == 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))
-    screen.blit(road, (0, 500))
+    beijing_x -= 4
+    if beijing_x <= -1000:
+        beijing_x = 0
+    screen.blit(background, (beijing_x, 0))
+    road_x -= 7
+    if road_x <= -1000:
+        road_x = 0
+    screen.blit(road, (road_x, 500))
     screen.blit(wukong, (150, y))
     if rect.x < 0-rect.width:
         obstacle=random.choice([stone,cacti,apple])
@@ -64,7 +72,7 @@ while True:
         rect.x = 1000
         rect.y = 455 - rect.width
     else:
-        rect.x -= 8
+        rect.x -= 7
     screen.blit(obstacle,(rect.x, rect.y))
     # 刷新画面
     pygame.display.update()