/// <summary>
/// Resets the specified orthographic camera.
/// </summary>
/// <param name="camera">
/// The camera.
/// </param>
public static void Reset(this OrthographicCamera camera)
{
if (camera == null)
{
return;
}
camera.Position = new Point3D(20, 10, 40);
camera.LookDirection = new Vector3D(-20, -10, -40);
camera.UpDirection = new Vector3D(0, 1, 0);
camera.Width = 40;
camera.NearPlaneDistance = 0.1;
camera.FarPlaneDistance = 1000;
}
/// <summary>
/// Animates the orthographic width.
/// </summary>
/// <param name="camera">
/// An orthographic camera.
/// </param>
/// <param name="newWidth">
/// The width to animate to.
/// </param>
/// <param name="animationTime">
/// Animation time in milliseconds
/// </param>
public static void AnimateWidth(this OrthographicCamera camera, double newWidth, double animationTime)
{
double fromWidth = camera.Width;
camera.Width = newWidth;
if (animationTime > 0)
{
var a1 = new DoubleAnimation(
fromWidth, newWidth, new Duration(TimeSpan.FromMilliseconds(animationTime)))
{
AccelerationRatio = 0.3,
DecelerationRatio = 0.5,
FillBehavior = FillBehavior.Stop
};
camera.BeginAnimation(OrthographicCamera.WidthProperty, a1);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Viewport3DX" /> class.
/// </summary>
public Viewport3DX()
{
this.perspectiveCamera = new PerspectiveCamera();
this.orthographicCamera = new OrthographicCamera();
this.perspectiveCamera.Reset();
this.orthographicCamera.Reset();
this.Camera = this.Orthographic ? (ProjectionCamera)this.orthographicCamera : this.perspectiveCamera;
this.Children = new Element3DCollection();
this.rotateHandler = new RotateHandler(this);
this.panHandler = new PanHandler(this);
this.zoomHandler = new ZoomHandler(this);
this.changeFieldOfViewHandler = new ZoomHandler(this, true);
this.zoomRectangleHandler = new ZoomRectangleHandler(this);
this.CommandBindings.Add(new CommandBinding(ViewportCommands.ZoomExtents, this.ZoomExtentsHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.SetTarget, this.SetTargetHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.Reset, this.ResetHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.Zoom, this.zoomHandler.Execute));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.Pan, this.panHandler.Execute));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.Rotate, this.rotateHandler.Execute));
this.CommandBindings.Add(
new CommandBinding(ViewportCommands.ChangeFieldOfView, this.changeFieldOfViewHandler.Execute));
this.CommandBindings.Add(
new CommandBinding(ViewportCommands.ZoomRectangle, this.zoomRectangleHandler.Execute));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.BottomView, this.BottomViewHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.TopView, this.TopViewHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.FrontView, this.FrontViewHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.BackView, this.BackViewHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.LeftView, this.LeftViewHandler));
this.CommandBindings.Add(new CommandBinding(ViewportCommands.RightView, this.RightViewHandler));
this.SetDefaultGestures();
this.fpsWatch.Start();
this.renderingEventListener = new RenderingEventListener(this.OnCompositionTargetRendering);
this.Loaded += this.ControlLoaded;
this.Unloaded += this.ControlUnloaded;
}
