if (world!=null) { if (_worldSphere==null) _worldSphere = world.getBoundingSphere(true); BoundingSphere ws = _worldSphere; Point3 c = (!ws.isEmpty())?ws.getCenter():new Point3();
if (world!=null) { if (_worldSphere==null) _worldSphere = world.getBoundingSphere(true); BoundingSphere ws = _worldSphere; Point3 c = (!ws.isEmpty())?ws.getCenter():new Point3();