public Bitmap DrawAll(Camera cam, Screen scr) { Bitmap bmp = new Bitmap(scr.Size.Width, scr.Size.Height); Graphics g = Graphics.FromImage(bmp); List <PolyLine3D> lines = new List <PolyLine3D>(); foreach (IModel m in Models) { foreach (PolyLine3D pl in m.GetLines()) { List <Vector3> vl = new List <Vector3>(); foreach (Vector3 v in pl.Vertices) { vl.Add(cam.Convert(v)); } lines.Add(new PolyLine3D(vl)); } } foreach (var pl in lines) { List <Point> points = new List <Point>(); foreach (Vector3 v in pl.Vertices) { points.Add(scr.Convert(v)); } g.DrawLines(Pens.Black, points.ToArray()); } g.Dispose(); return(bmp); }