/// <summary>
/// Find intersection point between this and other line using given tolerance.
/// Returns null if no intersection, otherwise it returns a point on
/// the shortest segment ( the one that's perpendicular to either lines )
/// based on given behavior ( default midpoint ).
/// </summary>
public Vector3D Intersect(double tol, Line3D other,
LineIntersectBehavior behavior = LineIntersectBehavior.MidPoint)
{
var res = Intersect2(tol, other);
if (res != null)
{
switch (behavior)
{
case LineIntersectBehavior.MidPoint: return(res.MidPoint);
case LineIntersectBehavior.PointOnThis: return(res.From);
case LineIntersectBehavior.PointOnOther: return(res.To);
}
}
// not intersection
return(null);
}
/// <summary>
/// Find intersection point between this and other line using given tolerance.
/// Returns null if no intersection, otherwise it returns a point on
/// the shortest segment ( the one that's perpendicular to either lines )
/// based on given behavior ( default midpoint ).
/// </summary>
public Vector3D Intersect(double tol, Line3D other,
LineIntersectBehavior behavior = LineIntersectBehavior.MidPoint)
{
var perpSeg = ApparentIntersect(other);
if (perpSeg != null && perpSeg.From.EqualsTol(tol, perpSeg.To))
{
switch (behavior)
{
case LineIntersectBehavior.MidPoint: return(perpSeg.MidPoint);
case LineIntersectBehavior.PointOnThis: return(perpSeg.From);
case LineIntersectBehavior.PointOnOther: return(perpSeg.To);
}
}
// not intersection
return(null);
}
