mouseLook.setLockAxis(cam.getUp());
mouseLook.setLockAxis(new Vector3f(cam.getUp().x, cam.getUp().y, cam.getUp().z));
    private void setMouse(Camera cam) {        RelativeMouse mouse = new RelativeMouse("Mouse Input");        mouse.setMouseInput(InputSystem.getMouseInput());        setMouse(mouse);        MouseLook mouseLook = new MouseLook(mouse, cam, 0.1f);        mouseLook.setLockAxis(cam.getUp());        addAction(mouseLook);    }