private Vector4 GetPosB()
        {
            Vector4 pos = _splineB.EvaluatePositionAtUnit(_pathPositionB, _positionUnits);

            return(pos);
        }
        private Vector3 GetPosA()
        {
            Vector4 pos = _splineA.EvaluatePositionAtUnit(_pathPositionA, _positionUnits);

            return(pos);
        }