private ICurve[] Intersect(IGeoObject go, PlaneSurface pls)
{
Plane plane = pls.Plane;
if (go is Solid)
{
BoundingCube bc = go.GetBoundingCube();
if (bc.Interferes(plane))
{
return((go as Solid).GetPlaneIntersection(pls));
}
}
if (go is Shell)
{
BoundingCube bc = go.GetBoundingCube();
if (bc.Interferes(plane))
{
return((go as Shell).GetPlaneIntersection(pls));
}
}
if (go is Face)
{
BoundingCube bc = go.GetBoundingCube();
if (bc.Interferes(plane))
{
return((go as Face).GetPlaneIntersection(pls));
}
}
List <ICurve> res = new List <ICurve>();
if (go is Block)
{
for (int i = 0; i < go.NumChildren; i++)
{
res.AddRange(Intersect(go.Child(i), pls));
}
}
return(res.ToArray());
}