[Unity2D] 맵 존관리 방법

#if UNITY_EDITOR
    //단축기 사용방법만든는 방법 % (Ctrl), # (Shift), & (Alt)
    [MenuItem("Tools/GenerateMap %#g")]
    static void GenerateMap()
    {
      GameObject[] gameObjects =  Resources.LoadAll<GameObject>("Prefabs/Map");

        foreach (GameObject go in gameObjects)
        {
            Tilemap tm = Util.FindChild<Tilemap>(go, "Tilemap_Collision");

            using (var writer = File.CreateText($"Assets/Resources/Map/{go.name}.txt"))
            {
                writer.WriteLine(tm.cellBounds.xMin);
                writer.WriteLine(tm.cellBounds.xMax);
                writer.WriteLine(tm.cellBounds.yMin);
                writer.WriteLine(tm.cellBounds.yMax);

                for (int y = tm.cellBounds.yMax; y >= tm.cellBounds.yMin; y--)
                {
                    for (int x = tm.cellBounds.xMin; x <= tm.cellBounds.xMax; x++)
                    {
                        TileBase tile = tm.GetTile(new Vector3Int(x, y, 0));
                        if (tile != null)
                            writer.Write("1");
                        else
                            writer.Write("0");
                    }
                    writer.WriteLine();
                }
            }
        }
    }
#endif