void ObjectSet::boundingSphere(QVector3D *center, float *radius)
{
DisplayObject::m.lock();
if (DisplayObject::begin() == DisplayObject::end())
{
*center = QVector3D(0,0,0);
*radius = 0.0;
DisplayObject::m.unlock();
return;
}
bool hasSelection = any_of(DisplayObject::begin(), DisplayObject::end(),
[] (std::pair<const uint, DisplayObject *> &i) {
return i.second->hasSelection();
});
DisplayObject *a = DisplayObject::begin()->second, *b;
farthestPointFrom(a, &b, hasSelection);
farthestPointFrom(b, &a, hasSelection);
*center = (a->center() + b->center()) / 2;
*radius = (a->center() - b->center()).length() / 2;
ritterSphere(center, radius, hasSelection);
float maxRadius = 0.0;
for (auto i = DisplayObject::begin(); i != DisplayObject::end(); i++)
if (i->second->radius() > maxRadius && (!hasSelection || i->second->hasSelection()))
maxRadius = i->second->radius();
*radius += 2 * maxRadius;
DisplayObject::m.unlock();
}
SE_Result SE_Sphere_CreateFromPoints(SE_Sphere* s, SE_Vector3f* points, int pointNum)
{
ritterSphere(s, points, pointNum);
return SE_VALID;
}
