public IBoundingBox GetBoundingBox()
{
if (_boundingSphereComputed)
{
return(_boundingBox);
}
_boundingBox = _initialBoundingBox;
_boundingBox.ExpandBy(null != ComputeBoundingBoxCallback
? ComputeBoundingBoxCallback(this)
: ComputeBoundingBox());
if (_boundingBox.Valid())
{
_boundingSphere.Set(_boundingBox.Center, _boundingBox.Radius);
}
else
{
_boundingSphere.Init();
}
_boundingSphereComputed = true;
return(_boundingBox);
}