public void ResumeBackgroundStopSecondaryTrack()
{
if (SecondaryBackground != null)
{
SecondaryBackground.Stop();
PlayingList.Remove(SecondaryBackground);
SecondaryBackground.Dispose();
SecondaryBackground = null;
}
MainBackground.Resume();
MainBackground.Pitch = BackgroundPitch;
}
public void Reset()
{
MainBackground.Stop();
MainBackground.Dispose();
if (SecondaryBackground != null)
{
SecondaryBackground.Stop();
SecondaryBackground.Dispose();
SecondaryBackground = null;
}
PlayingList.Clear();
PoolList.Clear();
InitializeSoundPool();
MainBackground = GetAndPlay(SoundType.Background, true);
BackgroundPitch = 0;
MainBackground.Pitch = BackgroundPitch;
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
var gridView = this.FindAscendant <GridView>();
if (gridView == null)
{
return;
}
var scrollViewer = gridView.FindDescendant <ScrollViewer>();
var headerPresenter = (UIElement)VisualTreeHelper.GetParent((UIElement)gridView.Header);
var headerContainer = (UIElement)VisualTreeHelper.GetParent(headerPresenter);
Canvas.SetZIndex(headerContainer, 1);
_scrollerPropertySet = scrollViewer.GetScrollViewerManipulationPropertySet();
_compositor = _scrollerPropertySet.Compositor;
_props = _compositor.CreatePropertySet();
_props.InsertScalar("progress", 0);
_props.InsertScalar("clampSize", 240);
_props.InsertScalar("scaleFactor", 0.7f);
var scrollingProperties = _scrollerPropertySet.GetSpecializedReference <ManipulationPropertySetReferenceNode>();
var props = _props.GetReference();
var progressNode = props.GetScalarProperty("progress");
var clampSizeNode = props.GetScalarProperty("clampSize");
var scaleFactorNode = props.GetScalarProperty("scaleFactor");
ExpressionNode progressAnimation = ExpressionFunctions.Clamp(-scrollingProperties.Translation.Y / clampSizeNode, 0, 1);
_props.StartAnimation("progress", progressAnimation);
ExpressionNode headerScaleAnimation = ExpressionFunctions.Lerp(1, 1.25f, ExpressionFunctions.Clamp(scrollingProperties.Translation.Y / 50, 0, 1));
ExpressionNode headerTranslationAnimation = ExpressionFunctions.Conditional(progressNode < 1, 0, -scrollingProperties.Translation.Y - clampSizeNode);
var headerVisual = this.ElementVisual();
headerVisual.CenterPoint = new Vector3((float)(this.ActualWidth / 2), (float)this.ActualHeight, 0);
headerVisual.StartAnimation("Scale.X", headerScaleAnimation);
headerVisual.StartAnimation("Scale.Y", headerScaleAnimation);
headerVisual.StartAnimation("Offset.Y", headerTranslationAnimation);
ExpressionNode primaryOpacityAnimation = 1 - progressNode;
PrimaryBackground.ElementVisual().StartAnimation("opacity", primaryOpacityAnimation);
ExpressionNode secondaryOpacityAnimation = progressNode;
SecondaryBackground.ElementVisual().StartAnimation("opacity", secondaryOpacityAnimation);
ExpressionNode scaleAnimation = ExpressionFunctions.Lerp(1, scaleFactorNode, progressNode);
ExpressionNode opacityAnimation = ExpressionFunctions.Clamp(1 - (progressNode * 2), 0, 1);
Visual autoSearchBoxVisual = SearchBox.ElementVisual();
autoSearchBoxVisual.CenterPoint = new Vector3((float)(SearchBox.ActualWidth / 2), (float)SearchBox.ActualHeight, 0);
autoSearchBoxVisual.StartAnimation("Scale.X", scaleAnimation);
autoSearchBoxVisual.StartAnimation("Scale.Y", scaleAnimation);
autoSearchBoxVisual.StartAnimation("Opacity", opacityAnimation);
Visual subMenuPanelVisual = SubMenuPanel.ElementVisual();
ExpressionNode contentOffsetAnimation = progressNode * 100;
subMenuPanelVisual.StartAnimation("Offset.Y", contentOffsetAnimation);
ExpressionNode searchBtnOpacityAnimation = ExpressionFunctions.Conditional(progressNode < 1, 0, 1);
Visual searchBtnVisual = ElementCompositionPreview.GetElementVisual(SearchBtn);
searchBtnVisual.StartAnimation("Opacity", searchBtnOpacityAnimation);
}
