/// <summary>
/// </summary>
public bool Contains(Box3d box, Func <V2d[], IMask2d> create)
{
//var cs3 = box.ComputeCorners().Map(c => m_model2mask.Forward.TransformPosProj(c));
//if (cs3.Any(c => c.Z > 1.0)) return false;
//var cs = cs3.Map(c => c.XY);
//var outline = new GpcPolygon(new[] { cs[0], cs[2], cs[3], cs[1] })
// .Unite(new GpcPolygon(new[] { cs[0], cs[4], cs[5], cs[1] }))
// .Unite(new GpcPolygon(new[] { cs[1], cs[5], cs[7], cs[3] }))
// .Unite(new GpcPolygon(new[] { cs[3], cs[7], cs[6], cs[2] }))
// .Unite(new GpcPolygon(new[] { cs[2], cs[6], cs[4], cs[0] }))
// .Unite(new GpcPolygon(new[] { cs[4], cs[6], cs[7], cs[5] }))
// ;
//var r = outline.Subtract(m_mask);
var outline = box.GetOutlineProjected(m_camPosition, m_model2mask.Forward);
if (outline == null || outline.Length == 0)
{
return(false);
}
var r = create(outline).Subtract(m_mask);
return(r.IsEmpty);
}