bool LineRule2::isPntInElement(Node const* const* _nodes, MathLib::Point3d const& pnt, double eps)
{
double tmp;
double tmp_dst(0);
double const dist =MathLib::calcProjPntToLineAndDists(pnt.getCoords(), _nodes[0]->getCoords(), _nodes[1]->getCoords(), tmp, tmp_dst);
return (dist < eps);
}
double MinimalBoundingSphere::pointDistanceSquared(MathLib::Point3d const& pnt) const
{
return MathLib::sqrDist(_center.getCoords(), pnt.getCoords())-(_radius*_radius);
}