/// <summary>
/// Insert new point to spline
/// </summary>
/// <param name="pos">new point position</param>
void Insert(Vector3 pos)
{
spline.AddPoint(pos, selectedPoint);
selectedPoints = new List <int>();
selectedPoints.Add(spline.Length - 1);
SetCurrPositions();
currPos[selectedPoint] = spline[selectedPoint].position;
}
