//Helper methods below
private void ActivateOrCreateTile(int xIndex, int yIndex, List <GameObject> tileObjects)
{
if (!terrainTiles.ContainsKey(new Vector2(xIndex, yIndex)))
{
tileObjects.Add(bio.CreateTile(xIndex, yIndex));
}
else
{
GameObject t = terrainTiles[new Vector2(xIndex, yIndex)];
tileObjects.Add(t);
if (!t.activeSelf)
{
t.SetActive(true);
}
}
}