SphereTree.cc

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#include <esg/spacesorting/SphereTree.h>

using namespace esg;

bool SphereTree::_enlarge_bv(Geometry** dst, Geometry& src)
{
    if (!(*dst)) { *dst = (Geometry*) src.clone(); return true; }

    if ((((Vector3)(src.centroid() - (*dst)->centroid())).length()
         + src.radius()) <= (*dst)->radius())
        return false;

    Geometry* pG = new Sphere(**dst, src);
    delete *dst;
    *dst = pG;
    
    return true;
}

Geometry* SphereTree::_create_bv(List<SceneGraphObject>& list)
{
    return (Geometry*) new Sphere(list);
}

Geometry* SphereTree::_create_bv(Geometry& bv1, Geometry& bv2)
{
    return (Geometry*) new Sphere(bv1, bv2);
}

Geometry* SphereTree::_create_bv(SceneGraphObject& obj)
{
    return (Geometry*) new Sphere(obj);
}

BVList* SphereTree::_create_list()
{
    return new BVList(FDH14::DIRS, FDH14::FDHMat);
}

void SphereTree::_duplicate_attributes(const SDS& src)
{
    BVH::_duplicate_attributes(src);
}

//------- public -----------

SDS* SphereTree::clone() const
{
    SphereTree* ret = new SphereTree();
    ret->_duplicate_attributes(*this);
    return ret;
}

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