node.getLocalRotation().normalize();
    public void performAction(float time) {        incr.loadIdentity();        if(lockAxis == null) {            incr.fromAxisAngle(node.getLocalRotation().getRotationColumn(1), speed * time);        } else {            incr.fromAxisAngle(lockAxis, speed * time);        }        node.getLocalRotation().fromRotationMatrix(incr.mult(node.getLocalRotation().toRotationMatrix()));        node.updateWorldData(time);    }