TempVars vars = TempVars.get();
Vector3f radVect = vars.vect1;
radVect.set(box.xExtent, box.yExtent, box.zExtent);
Vector3f temp_center = box.center;
float len = radVect.length();
vars.release();
return merge(len, temp_center, this);
}
// case OBB: {
// return mergeOBB((OrientedBoundingBox) volume);