/// <summary>
/// Gets a direction vector relative to the direction this
/// formation is facing.
/// </summary>
public Vector2Int GetDirection(FormationMovement movement)
{
switch (movement)
{
case FormationMovement.AdvanceRank:
return(Facing);
case FormationMovement.RetreatRank:
return(-Facing);
case FormationMovement.IncrementFile:
return(Facing.Perpendicular());
case FormationMovement.DecrementFile:
return(-Facing.Perpendicular());
default:
return(Vector2Int.zero);
}
}