HelixToolkit.Wpf.BoundingBoxVisual3D.OnBoxChanged C# (CSharp) Method

        protected virtual void OnBoxChanged()
        {
            this.Children.Clear();
            if (this.BoundingBox.IsEmpty)
            {
                return;
            }

            Rect3D bb = this.BoundingBox;

            var p0 = new Point3D(bb.X, bb.Y, bb.Z);
            var p1 = new Point3D(bb.X, bb.Y + bb.SizeY, bb.Z);
            var p2 = new Point3D(bb.X + bb.SizeX, bb.Y + bb.SizeY, bb.Z);
            var p3 = new Point3D(bb.X + bb.SizeX, bb.Y, bb.Z);
            var p4 = new Point3D(bb.X, bb.Y, bb.Z + bb.SizeZ);
            var p5 = new Point3D(bb.X, bb.Y + bb.SizeY, bb.Z + bb.SizeZ);
            var p6 = new Point3D(bb.X + bb.SizeX, bb.Y + bb.SizeY, bb.Z + bb.SizeZ);
            var p7 = new Point3D(bb.X + bb.SizeX, bb.Y, bb.Z + bb.SizeZ);

            this.AddEdge(p0, p1);
            this.AddEdge(p1, p2);
            this.AddEdge(p2, p3);
            this.AddEdge(p3, p0);

            this.AddEdge(p4, p5);
            this.AddEdge(p5, p6);
            this.AddEdge(p6, p7);
            this.AddEdge(p7, p4);

            this.AddEdge(p0, p4);
            this.AddEdge(p1, p5);
            this.AddEdge(p2, p6);
            this.AddEdge(p3, p7);
        }