public (SplineDirection Direction, uint Point)? GetNextPoint(SplineTypeBase type, SplineDirection direction, uint point)
{
if (point == type.TopReverseIndex)
{
return(null);
}
return(direction, point - 1u);
}
public (SplineDirection Direction, uint Point)? GetNextPoint(SplineTypeBase type, SplineDirection direction, uint point)
{
if (point == type.TopIndex)
{
return(direction, type.BottomIndex);
}
return(direction, point + 1u);
}
public (SplineDirection Direction, uint Point)? GetNextPoint(SplineTypeBase type, SplineDirection direction, uint point)
{
if (direction == SplineDirection.Forward && point == type.TopIndex)
{
return(SplineDirection.Backward, type.BottomReverseIndex);
}
if (direction == SplineDirection.Backward && point == type.TopReverseIndex)
{
return(SplineDirection.Forward, type.BottomIndex);
}
return(direction, direction == SplineDirection.Forward ? point + 1 : point - 1);
}