private void InstantiateTiles()
    {
        int tileWidth  = 10;
        int tileHeight = 10;

        for (int j = 0; j < tiling.Height; j++)
        {
            for (int i = 0; i < tiling.Width; i++)
            {
                ITile2D    tile      = tiling.Tile(i, j);
                UnityTile  unityTile = tile as UnityTile;
                GameObject prefab    = unityTile.Prefab;
                GameObject instance  = Instantiate <GameObject>(prefab, this.gameObject.transform);
                instance.transform.Translate(i * tileWidth, 0, -j * tileHeight, Space.World);
            }
        }
    }