public void ChangeAllTilesAround(Vector3Int center, int radius, TerrainTile newType)
        {
            List <Vector3Int> tiles = HexTools.GetTilesInRange(center, radius - 1);

            foreach (Vector3Int tile in tiles)
            {
                TerrainTile ttb = GetTile(tile);
                if (tile == null)
                {
                    continue;
                }
                CreateAndSetTile(tile, newType, ttb);
            }
        }