public override Canvas CreateCanvas()
        {
            Canvas canvas = new Canvas();

            Polygon polygon = new Polygon();
            canvas.Children.Add(polygon);
            polygon.Points.Add(new Point(-CameraCenterDiameter / 2, 0));
            polygon.Points.Add(new Point(CameraCenterDiameter / 2, 0));
            polygon.Points.Add(new Point(3 * CameraCenterDiameter, 5 * CameraCenterDiameter));
            polygon.Points.Add(new Point(-3 * CameraCenterDiameter, 5 * CameraCenterDiameter));

            if (VisualState == VisualState.None)
            {
                GradientBrush sightBrush = new LinearGradientBrush();
                sightBrush.GradientStops.Add(new GradientStop(Color.FromArgb(200, 255, 255, 0), 0));
                sightBrush.GradientStops.Add(new GradientStop(Color.FromArgb(50, 255, 255, 0), 1));
                sightBrush.Transform = new RotateTransform(45);

                polygon.Fill = sightBrush;
            }
            else if (VisualState == VisualState.Hovered)
            {
                GradientBrush sightBrush = new LinearGradientBrush();
                sightBrush.GradientStops.Add(new GradientStop(Color.FromArgb(255, 255, 255, 0), 0));
                sightBrush.GradientStops.Add(new GradientStop(Color.FromArgb(100, 255, 255, 0), 1));
                sightBrush.Transform = new RotateTransform(45);

                polygon.Fill = sightBrush;
            }

            Ellipse cameraCenter = new Ellipse();
            canvas.Children.Add(cameraCenter);
            cameraCenter.Width = CameraCenterDiameter;
            cameraCenter.Height = CameraCenterDiameter;
            Canvas.SetLeft(cameraCenter, -CameraCenterDiameter / 2);
            Canvas.SetTop(cameraCenter, -CameraCenterDiameter / 2);

            cameraCenter.Fill = Brushes.BlueViolet;
            cameraCenter.Stroke = Brushes.CornflowerBlue;
            cameraCenter.StrokeDashCap = PenLineCap.Round;
            polygon.Stroke = Brushes.CornflowerBlue;
            polygon.StrokeDashCap = PenLineCap.Round;

            if (VisualState == VisualState.None)
            {
                cameraCenter.StrokeDashArray = null;
                cameraCenter.StrokeThickness = 0;
                polygon.StrokeDashArray = null;
                polygon.StrokeThickness = 0;
            }
            else if (VisualState == VisualState.Hovered)
            {
                cameraCenter.StrokeDashArray = new DoubleCollection() { 2, 2 };
                cameraCenter.StrokeThickness = 5;
                polygon.StrokeDashArray = new DoubleCollection() { 2, 2 };
                polygon.StrokeThickness = 5;
            }
            else if (VisualState == VisualState.Selected)
            {
                cameraCenter.StrokeDashArray = null;
                cameraCenter.StrokeThickness = 5;
                polygon.StrokeDashArray = null;
                polygon.StrokeThickness = 5;
            }

            canvas.LayoutTransform = new RotateTransform(Camera.Angle);

            return canvas;
        }