public HashSet <Hex> GetHexesWithinRange(Hex hex, int range)
{
HashSet <Hex> possibleHexes = new HashSet <Hex>();
for (int x = -range; x <= range; x++)
{
for (int y = System.Math.Max(-x - range, -range); y <= System.Math.Min(-x + range, range); y++)
{
int z = -x - y;
HexCoords tempHexCoords = new HexCoords(x, y, z);
tempHexCoords.Add(hex.hexCoords);
if (HexAtExists(tempHexCoords))
{
possibleHexes.Add(GetHexAtCoords(tempHexCoords).GetComponent <Hex>());
}
}
}
return(possibleHexes);
}