BezierCurves.BezierCurve3D.GetTangent C# (CSharp) Method

        public Vector3 GetTangent(float time)
        {
            BezierPoint3D startPoint;
            BezierPoint3D endPoint;
            float timeRelativeToSegment;

            this.GetCubicSegment(time, out startPoint, out endPoint, out timeRelativeToSegment);

            return BezierCurve3D.GetTangentOnCubicCurve(timeRelativeToSegment, startPoint, endPoint);
        }