static public CardinalOrdinalDirection GetNext(this CardinalOrdinalDirection item, RotationDirection direction)
{
switch (direction)
{
case RotationDirection.Clockwise: return(item.GetClockwiseNext());
case RotationDirection.CounterClockwise: return(item.GetCounterClockwiseNext());
}
throw new UnaccountedBranchException("direction", direction);
}
static public CardinalOrdinalDirection GetClockwisePrevious(this CardinalOrdinalDirection item)
{
return(item.GetCounterClockwiseNext());
}