コード例 #1
0
        static void canvas_EvRedraw(object sender, RedrawEventArgs e)
        {
            var p = e.Painter;

            p.Clear(0);


            Ellipse2d el1 = new Ellipse2d(new Point2d(mousex, mousey), 200, 5, 1.0);
            Ellipse2d el2 = new Ellipse2d(new Point2d(400, 500), 300, 5, -1);

            p.Color = RGB.Red;
            p.DrawEllipse(el1.Center.X, el1.Center.Y, el1.MajorRadius, el1.MinorRadius, el1.Rotation);
            p.Color = RGB.Green;
            p.DrawEllipse(el2.Center.X, el2.Center.Y, el2.MajorRadius, el2.MinorRadius, el2.Rotation);


            var intpts = Intersect2d.EllipseEllipse(el1, el2);


            if (intpts != null)
            {
                p.Color = RGB.Yellow;
                foreach (Point2d pt in intpts)
                {
                    p.DrawMark(pt.X, pt.Y, MarkType.DiagonalCross, 10);
                }
            }
        }
コード例 #2
0
        public static void Run()
        {
            Ellipse2d elp1 = new Ellipse2d(new Point2d(0, 0), 10.0, 10.0);
            Ellipse2d elp2 = new Ellipse2d(new Point2d(0, 0), 20.0, 10.0);

            GeneralConic2d con1 = elp1.ToGeneralConic();
            GeneralConic2d con2 = elp2.ToGeneralConic();

            Intersect2d.ConicConic(con1, con2);
        }