static public void Seal(this MeshBuilder item, Plane plane, float edge_tolerance, float plane_tolerance)
{
FaceCloud faces = new FaceCloud(edge_tolerance);
PlaneSpace plane_space = plane.GetPlaneSpace();
foreach (LineSegment3 edge in item.GetTriangles().Convert(t => t.GetEdges()).Flatten().Unique())
{
if (plane.IsCoplanar(edge, plane_tolerance))
{
faces.AddFace(plane_space.ProjectLineSegment(edge).GetFace());
}
}
item.AddTriangles(
plane_space.InflateTriangles(faces.Tesselate())
.Convert(t => t.GetReversedWinding())
);
}
static public void AddFaces(this FaceCloud item, IEnumerable <Face> faces)
{
faces.Process(f => item.AddFace(f));
}