save project

my_game.py

@@ -23,9 +23,10 @@ y = 400
 jumpState = "runing"
 t = 30
 road_x=0
+bg_x=0
 obstacle_list = [bush, stone, cacti]
 
-class Block():
+class Block(pygame.sprite.Sprite):
     def __init__(self,list):
         super().__init__()
         self.image=random.choice(list)
@@ -65,7 +66,7 @@ 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, (bg_x, 0))     # 远处背景
     screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
@@ -76,6 +77,9 @@ while True:
     road_x -= 8
     if road_x<=-1000:
         road_x=0
+    bg_x-=2
+    if bg_x<=-1000:
+        bg_x=0
     screen.blit(obstacle.image,(obstacle.rect.x, obstacle.rect.y)) 
     # 刷新画面
     pygame.display.update()