Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        RaycastHit hitinfo;
        if (Physics.Raycast(ray, out hitinfo))
        {
            if (Dist(hitinfo.point) > 1f)
            {

                points.Add(hitinfo.point);
                liner.positionCount = points.Count;
                liner.SetPositions(points.ToArray());
            }
        }