private void MarkNeighborHexes(UnitModel unit)
{
_positions = HexMapHelper.GetPositions(unit.X, unit.Y, _hexMapModel.Width, _hexMapModel.Height);
for (int i = 0; i < _positions.Count; i++)
{
CheckAndMark(_positions[i].x, _positions[i].y, unit);
}
}
