public List <Vector2Int> GetAvailableMovePositions(UnitBase unit)
{
List <Vector2Int> unitMovePositions = unit.GetAvailableMovePositions();
List <Vector2Int> tiles = new List <Vector2Int>();
tiles.Add(unit.truePosition);
Vector2Int north = unit.truePosition + new Vector2Int(0, 1);
Vector2Int south = unit.truePosition + new Vector2Int(0, -1);
Vector2Int east = unit.truePosition + new Vector2Int(1, 0);
Vector2Int west = unit.truePosition + new Vector2Int(-1, 0);
RecurseNonBlockedTiles(north, tiles, unitMovePositions);
RecurseNonBlockedTiles(south, tiles, unitMovePositions);
RecurseNonBlockedTiles(east, tiles, unitMovePositions);
RecurseNonBlockedTiles(west, tiles, unitMovePositions);
return(tiles);
}