private void MainPage_Loaded(object sender, RoutedEventArgs e)
{
_rootVisual = Root.Visual();
_rootVisual.Size = new Vector2((float)Root.ActualWidth, (float)Root.ActualHeight);
_pathContainerVisual = PathContainer.Visual();
_pathContainerVisual.Size = _rootVisual.Size;
_compositor = _rootVisual.Compositor;
//CreateMoreShapes();
_interactionSource = VisualInteractionSource.Create(_rootVisual);
_interactionSource.PositionXSourceMode = InteractionSourceMode.EnabledWithInertia;
_interactionSource.PositionYSourceMode = InteractionSourceMode.EnabledWithInertia;
_interactionSource.IsPositionXRailsEnabled = false;
_interactionSource.IsPositionYRailsEnabled = false;
_interactionSource.ScaleSourceMode = InteractionSourceMode.EnabledWithInertia;
_interactionSource.ManipulationRedirectionMode = VisualInteractionSourceRedirectionMode.CapableTouchpadOnly;
_tracker = InteractionTracker.CreateWithOwner(_compositor, this);
_tracker.InteractionSources.Add(_interactionSource);
_tracker.MaxPosition = new Vector3(_rootVisual.Size, 0.0f) * 3.0f;
_tracker.MinPosition = _tracker.MaxPosition * -1.0f;
_tracker.MinScale = 0.9f;
_tracker.MaxScale = 12.0f;
_tracker.ScaleInertiaDecayRate = 0.96f;
var positionAnimation = _compositor.CreateExpressionAnimation("-t.Position");
positionAnimation.SetReferenceParameter("t", _tracker);
_pathContainerVisual.StartAnimation("Offset", positionAnimation);
var scaleAnimation = _compositor.CreateExpressionAnimation("Vector2(t.Scale, t.Scale)");
scaleAnimation.SetReferenceParameter("t", _tracker);
_pathContainerVisual.StartAnimation("Scale.XY", scaleAnimation);
}
