public Renderer(CompositionTargetSecondsTimerSystem timerSystem, Behavior <DrawableDelegate> drawable, Size size, Animate animation, Cell <bool> isStarted)
{
this.drawable = drawable;
this.size = size;
Transaction.RunVoid(() => isStarted.Values().Filter(s => s).ListenOnce(_ => timerSystem.AddAnimation(animation)));
}
public Animate(AnimationDelegate animation, Size size)
{
TaskCompletionSource <Renderer> tcs = new TaskCompletionSource <Renderer>();
this.renderer = tcs.Task;
void CreateTimerSystem(object sender, EventArgs args)
{
CompositionTargetSecondsTimerSystem timerSystem = CompositionTargetSecondsTimerSystem.Create(((RenderingEventArgs)args).RenderingTime.TotalSeconds, e => this.Dispatcher.Invoke(() => throw e));
Point extents = new Point(size.Width / 2, size.Height / 2);
tcs.SetResult(new Renderer(timerSystem, Transaction.Run(() => Shapes.Translate(animation(timerSystem, extents), Behavior.Constant(extents))), size, this, this.isStarted));
CompositionTarget.Rendering -= CreateTimerSystem;
}
CompositionTarget.Rendering += CreateTimerSystem;
}