public void Add(AffineVertex v)
 {
     Vertecies.Add(v);
 }
        public void Add(AffineVertex v)
        {
            Vertecies.Add(v);

        }
        private void AddCubeFace18(
       AffineMesh a, string t, AffinePoint A, AffinePoint B, AffinePoint C, AffinePoint D)
        {
            var v1 =
               new AffineVertex
               {
                   A = A,
                   B = B,
                   C = C,

                   Element = new Avalon.Images._18
                   {
                       Width = 100,
                       Height = 100,
                   }.AttachTo(AffineContent),
                   ElementWidth = 100,
                   ElementHeight = 100
               };

            //var t1 = new TextBox { Text = t, Foreground = Brushes.Blue }.AttachTo(InfoContent);

            //v1.Tag = new Action<AffineVertex>(
            //    k =>
            //    {
            //        t1.Text = t + " " + Convert.ToInt32(k.Center.Z);
            //        t1.MoveTo(k.Center.X + DefaultWidth / 2, k.Center.Y + DefaultHeight / 2);

            //    }
            //);

            a.Add(v1);

            //var v2 =
            //    new AffineVertex
            //    {
            //        A = D,
            //        B = C,
            //        C = B,

            //        Element = new Avalon.Images._18.AffineTriangle2
            //        {
            //            Width = 100,
            //            Height = 100,
            //        }.AttachTo(AffineContent),
            //        ElementWidth = 100,
            //        ElementHeight = 100
            //    };

            ////v2.Element.Opacity = 0.5;

            ////var t2 = new TextBox { Text = t }.AttachTo(InfoContent);

            ////v2.Tag = new Action<AffineVertex>(
            ////    k =>
            ////    {
            ////        t2.Text = t + " " + Convert.ToInt32(k.Center.Z);
            ////        t2.MoveTo(k.Center.X + DefaultWidth / 2, k.Center.Y + DefaultHeight / 2);

            ////    }
            ////);

            //a.Add(v2);

        }