save project

my_game.py

@@ -97,7 +97,7 @@ while True:
             bg_x = 0
             bg_x = 0
         screen.blit(background, (bg_x, 0))      # 远景
         screen.blit(background, (bg_x, 0))      # 远景
 
 
-        road_x -= 8
+        road_x -= speed
         if road_x<=-1000:
         if road_x<=-1000:
             road_x = 0
             road_x = 0
         screen.blit(road, (road_x, 500))       # 道路
         screen.blit(road, (road_x, 500))       # 道路
@@ -112,7 +112,7 @@ while True:
                 obstacle = Block(bush,cacti,stone)  
                 obstacle = Block(bush,cacti,stone)  
                 block_list.add(obstacle)
                 block_list.add(obstacle)
         for sprite in block_list:       # 遍历、展示障碍物精灵
         for sprite in block_list:       # 遍历、展示障碍物精灵
-            sprite.rect.x -= 8
+            sprite.rect.x -= speed
             screen.blit(sprite.image, (sprite.rect.x, sprite.rect.y)) 
             screen.blit(sprite.image, (sprite.rect.x, sprite.rect.y)) 
             if sprite.rect.x <= 0-sprite.rect.width:
             if sprite.rect.x <= 0-sprite.rect.width:
                 sprite.kill()
                 sprite.kill()