BezierCurves.BezierCurve3D.GetApproximateLengthOfCubicCurve C# (CSharp) Method

        public static float GetApproximateLengthOfCubicCurve(BezierPoint3D startPoint, BezierPoint3D endPoint, int sampling)
        {
            return GetApproximateLengthOfCubicCurve(startPoint.Position, endPoint.Position, startPoint.RightHandlePosition, endPoint.LeftHandlePosition, sampling);
        }

        public float GetApproximateLength()
        {
            float length           = 0;
            int   subCurveSampling = (this.Sampling / (this.KeyPointsCount - 1)) + 1;

            for (int i = 0; i < this.KeyPointsCount - 1; i++)
            {
                length += BezierCurve3D.GetApproximateLengthOfCubicCurve(this.KeyPoints[i], this.KeyPoints[i + 1], subCurveSampling);
            }

            return(length);
        }