private static void InsertEntrance(InDoorGeneratorSettings settings, List <SkeletonEdge> walls,
LineParametric2d ray, double minimalSideSize)
{
var doorEdge = default(SkeletonEdge);
var distance = double.MaxValue;
var intersectPoint = Vector2d.Empty;
int i = -1;
foreach (var edge in walls)
{
i++;
if (edge.IsOuter && !edge.IsSkeleton)
{
continue;
}
var currIntersect = LineParametric2d.Collide(ray, edge.Line, 0.00001);
if (currIntersect == Vector2d.Empty ||
!Vector2dUtils.IsPointOnSegment(edge.Start, edge.End, currIntersect))
{
continue;
}
var currDistance = currIntersect.DistanceTo(ray.A);
if (distance > currDistance /* && currDistance > minimalSideSize*/)
{
doorEdge = edge;
distance = currDistance;
intersectPoint = currIntersect;
}
}
var startDist = Math.Min(distance, settings.Skeleton.Distances[doorEdge.Start]);
var endDistance = Math.Min(distance, settings.Skeleton.Distances[doorEdge.End]);
walls.Add(new SkeletonEdge(doorEdge.Start, intersectPoint, false, startDist, settings.HalfTransitAreaWidth));
walls.Add(new SkeletonEdge(intersectPoint, doorEdge.End, false, endDistance, settings.HalfTransitAreaWidth));
walls.Add(new SkeletonEdge(ray.A, intersectPoint, false, distance, settings.HalfTransitAreaWidth));
}
