// Update is called once per frame
    void Update()
    {
        //if (AppMgr.pts == null) return;
        //if (AppMgr.lns == null) return;
        gameObject.SetActive(Active);
        ///Debug.Log(PointId);
        if (Point1 != null && Point2 != null && Point3 != null)
        {
            Vec1   = Point1.GetComponent <Point>().transform.position;
            Vec1.z = 0.0f;
            Vec2   = Point2.GetComponent <Point>().transform.position;
            Vec2.z = 0.0f;
            Vec3   = Point3.GetComponent <Point>().transform.position;
            Vec3.z = 0.0f;
        }
        else
        {
            GameObject[] OBJs    = FindObjectsOfType <GameObject>();
            GameObject   LineObj = null;
            Line         LN      = null;
            for (int i = 0; i < OBJs.Length; i++)
            {
                LN = OBJs[i].GetComponent <Line>();
                if (LN != null)
                {
                    if (LN.Id == LineId)
                    {
                        LineObj = OBJs[i];
                        break;
                    }
                }
            }
            if (LineObj == null)
            {
                Active = false;
                LineId = -1;
            }
            else
            {
                Point1 = Point2 = Point3 = null;
                for (int i = 0; i < OBJs.Length; i++)
                {
                    Point PT = OBJs[i].GetComponent <Point>();
                    if (PT != null)
                    {
                        if (PT.Id == PointId)
                        {
                            Point2 = OBJs[i];
                            Vec2   = PT.transform.position;
                            Vec2.z = 0.0f;
                        }
                        if (PT.Id == LN.Point1Id)
                        {
                            Point1 = OBJs[i];
                            Vec1   = PT.transform.position;
                            Vec1.z = 0.0f;
                        }
                        if (PT.Id == LN.Point2Id)
                        {
                            Point3 = OBJs[i];
                            Vec3   = PT.transform.position;
                            Vec3.z = 0.0f;
                        }
                    }
                }
                if (Point1 == null || Point2 == null || Point3 == null)
                {
                    Active = false;
                }
            }
        }
        LR = GetComponent <LineRenderer>();
        LR.SetPosition(0, Vec1);
        LR.SetPosition(1, Vec2);
        LR.SetPosition(2, Vec3);
        Renderer RD = GetComponent <LineRenderer>();

        RD.material.color = StandardColor;
    }