float oldRadius = radius; Vector3f oldCenter = _compVect2.set( center );
    private BoundingSphere mergeOBB(OrientedBoundingBox volume) {        // remember old radius and center        float oldRadius = radius;        Vector3f oldCenter = _compVect2.set( center );        // compute new radius and center from obb points        if (!volume.correctCorners)            volume.computeCorners();        _mergeBuf.rewind();        for (int i = 0; i < 8; i++) {            _mergeBuf.put(volume.vectorStore[i].x);            _mergeBuf.put(volume.vectorStore[i].y);            _mergeBuf.put(volume.vectorStore[i].z);        }        computeFromPoints(_mergeBuf);        Vector3f newCenter = _compVect1.set( center );        float newRadius = radius;        // restore old center and radius        center.set( oldCenter );        radius = oldRadius;        //merge obb points result        merge( newRadius, newCenter, this );        return this;    }