private async void UserControl_Loaded(object sender, RoutedEventArgs e)
{
var uri = ModelUrl;
var storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
var buffer = await FileIO.ReadBufferAsync(storageFile);
var loader = new SceneLoader();
var sceneNode = loader.Load(buffer, _compositor);
_hostVisual.RelativeSizeAdjustment = Vector2.One;
ElementCompositionPreview.SetElementChildVisual(ModelHost, _hostVisual);
_sceneVisual.Scale = new Vector3(2.5f, 2.5f, 1.0f);
_sceneVisual.Root = SceneNode.Create(_compositor);
_sceneVisual.Root.Children.Clear();
_sceneVisual.Root.Children.Add(sceneNode);
var rotationAnimation = _compositor.CreateScalarKeyFrameAnimation();
rotationAnimation.InsertKeyFrame(1.0f, 360.0f, _compositor.CreateLinearEasingFunction());
rotationAnimation.Duration = TimeSpan.FromSeconds(16);
rotationAnimation.IterationBehavior = AnimationIterationBehavior.Forever;
_sceneVisual.Root.Transform.RotationAxis = new Vector3(0.0f, 1.0f, 0.2f);;
_sceneVisual.Root.Transform.StartAnimation(nameof(SceneNode.Transform.RotationAngleInDegrees), rotationAnimation);
_hostVisual.Children.InsertAtTop(_sceneVisual);
}
private async void Surprise_Click(object sender, RoutedEventArgs e)
{
if (_hostVisual.Children.Any())
{
return;
}
// TODO 6.2: [AnimatedVisualPlayer] - Show the Lottie animation while the 3D model is loading.
//LottiePlayer.Visibility = Visibility.Visible;
//LottiePlayer.AutoPlay = true;
HubbleImage.Visibility = Visibility.Collapsed;
// TODO 5.1: [SceneLoader] - Load a .gltf 3D model into a SceneNode (new API in Composition).
var uri = new Uri("ms-appx:///Assets/Models/Telescope.gltf");
var storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
var buffer = await FileIO.ReadBufferAsync(storageFile);
var loader = new SceneLoader();
var sceneNode = loader.Load(buffer, _compositor);
// TODO 6.3: [AnimatedVisualPlayer] - Hide the Lottie animation after the 3D model finished loading.
//LottiePlayer.Stop();
//await LottiePlayer.Fade(duration: 600).StartAsync();
// TODO 5.2: [SceneLoader] - Host the 3D SceneNode inside a XAML element (ModelHost Rectangle).
// NOTE: 3D Xaml Control coming too! It is being tracked here:
// https://github.com/microsoft/microsoft-ui-xaml/issues/686
_hostVisual.RelativeSizeAdjustment = Vector2.One;
ElementCompositionPreview.SetElementChildVisual(ModelHost, _hostVisual);
_sceneVisual.Scale = new Vector3(2.5f, 2.5f, 1.0f);
_sceneVisual.Root = SceneNode.Create(_compositor);
_sceneVisual.Root.Children.Clear();
_sceneVisual.Root.Children.Add(sceneNode);
// Auto-rotate the SceneVisual.
var rotationAnimation = _compositor.CreateScalarKeyFrameAnimation();
rotationAnimation.InsertKeyFrame(1.0f, 360.0f, _compositor.CreateLinearEasingFunction());
rotationAnimation.Duration = TimeSpan.FromSeconds(16);
rotationAnimation.IterationBehavior = AnimationIterationBehavior.Forever;
_sceneVisual.Root.Transform.RotationAxis = new Vector3(0.0f, 1.0f, 0.2f);;
_sceneVisual.Root.Transform.StartAnimation(nameof(SceneNode.Transform.RotationAngleInDegrees), rotationAnimation);
_hostVisual.Children.InsertAtTop(_sceneVisual);
}
public async Task CrossThread4(UIElement mc)
{
try
{
Uri uri = new Uri("ms-appx:///assets/Telescope.gltf");
StorageFile storageFile = await StorageFile.GetFileFromApplicationUriAsync(uri);
compositor = Window.Current.Compositor;
IBuffer buffer = await FileIO.ReadBufferAsync(storageFile);
loader = new SceneLoaderComponent.SceneLoader();
var sceneNode = loader.Load(buffer, compositor);
hostVisual = compositor.CreateContainerVisual();
hostVisual.RelativeSizeAdjustment = Vector2.One;
hostVisual.Offset = new Vector3(0, 50, 0);
ElementCompositionPreview.SetElementChildVisual(mc, hostVisual);
sceneVisual = SceneVisual.Create(compositor);
sceneVisual.Root = SceneNode.Create(compositor);
sceneVisual.Root.Children.Add(sceneNode);
var rotationAnimation = compositor.CreateScalarKeyFrameAnimation();
rotationAnimation.InsertKeyFrame(1.0f, 360.0f, compositor.CreateLinearEasingFunction());
rotationAnimation.Duration = TimeSpan.FromSeconds(16);
rotationAnimation.IterationBehavior = AnimationIterationBehavior.Forever;
sceneVisual.Root.Transform.RotationAxis = new Vector3(0.0f, 1.0f, 0.2f);
sceneVisual.Root.Transform.StartAnimation("RotationAngleInDegrees", rotationAnimation);
hostVisual.Children.InsertAtTop(sceneVisual);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
finally
{
}
}