public Gaze(Pupil gazeVector, Point2D angle, IEnumerable <Point2D> landmarks, IEnumerable <Point3D> landmarks3D) : this(gazeVector, angle, landmarks, Array.Empty <Point2D>(), landmarks3D, Array.Empty <Tuple <Point2D, Point2D> >())
{
}
public Gaze(Pupil gazeVector, Point2D angle, IEnumerable <Point2D> landmarks, IEnumerable <Point3D> landmarks3D) : this(gazeVector, angle, landmarks, Array.Empty <Point2D>(), landmarks3D, Array.Empty <Tuple <Point2D, Point2D> >())
{
}