public void MovePoint(int i, Vector2 pos)
    {
if (isBezierCircle) {
                if ((i % 3 == 0)) // only anchor points
                {
                    //for two segments
                    //index points[LoopIndex(i + 1)] and points[LoopIndex(i - 1)] represent control points
                    var distanceFromAnchor = 1.314684396f * (0.5f * (points[i] - points[LoopIndex(i + 3)])).magnitude;

                	}
                }
}