public Edge(Vector2d begin, Vector2d end)
{
Begin = begin;
End = end;
LineLinear2d = new LineLinear2d(begin, end);
Norm = (end - begin).Normalized();
}
public SkeletonEdge(Vector2d start, Vector2d end, bool isSkeleton, double distance,
double outerLimit)
{
Start = start;
End = end;
Line = new LineLinear2d(start, end);
IsSkeleton = isSkeleton;
Distance = distance;
IsOuter = distance < outerLimit;
Size = Start.DistanceTo(End);
}
public static Vector2d Collide(LineParametric2d ray, LineLinear2d line, double epsilon)
{
var collide = LineLinear2d.Collide(ray.CreateLinearForm(), line);
if (collide.Equals(Vector2d.Empty))
{
return(Vector2d.Empty);
}
var collideVector = collide - ray.A;
return(ray.U.Dot(collideVector) < epsilon ? Vector2d.Empty : collide);
}
