public static bool TryFindIntersectingNodeLink(this Map map, StorageRow storageRow, [NotNullWhen(true)] out NodeLink?nodeLink, out LineSegment2D lineFromStorageRowToIntersection)
{
map = map.MustNotBeNull(nameof(map));
storageRow = storageRow.MustNotBeNull(nameof(storageRow));
nodeLink = null;
lineFromStorageRowToIntersection = default;
if (map.NodeLinks.Count == 0)
{
return(false);
}
var perpendicularRay = storageRow.GetPerpendicularRay();
var shortestDistance = default(double?);
foreach (var link in map.NodeLinks)
{
if (!link.TryGetLineSegment(out var linkLineSegment))
{
continue;
}
var intersection = perpendicularRay.LineEquation.CalculateIntersection(linkLineSegment.LineEquation);
if (intersection == null || !perpendicularRay.IsPointOnRay(intersection.Value) || !linkLineSegment.IsPointOnLineSegment(intersection.Value))
{
continue;
}
var distance = perpendicularRay.ReferencePoint.CalculateMagnitude(intersection.Value);
if (shortestDistance != null && shortestDistance.Value < distance)
{
continue;
}
shortestDistance = distance;
nodeLink = link;
lineFromStorageRowToIntersection = new LineSegment2D(perpendicularRay.ReferencePoint, intersection.Value);
}
return(nodeLink != null);
}