diff --git a/src/Avalonia.Visuals/Animation/Transitions/Rotate3DTransition.cs b/src/Avalonia.Visuals/Animation/Transitions/Rotate3DTransition.cs index 56567f5fea..ebc8f44278 100644 --- a/src/Avalonia.Visuals/Animation/Transitions/Rotate3DTransition.cs +++ b/src/Avalonia.Visuals/Animation/Transitions/Rotate3DTransition.cs @@ -1,8 +1,6 @@ using System; -using System.Collections.Generic; using System.Threading; using System.Threading.Tasks; -using Avalonia.Collections; using Avalonia.Media; using Avalonia.Styling; @@ -41,7 +39,7 @@ public class Rotate3DTransition: PageSlide return; } - var tasks = new List(); + var tasks = new Task[2]; var parent = GetVisualParent(from, to); var (rotateProperty, center) = Orientation switch { @@ -53,12 +51,13 @@ public class Rotate3DTransition: PageSlide var depthSetter = new Setter {Property = Rotate3DTransform.DepthProperty, Value = Depth ?? center}; var centerZSetter = new Setter {Property = Rotate3DTransform.CenterZProperty, Value = -center / 2}; - KeyFrame CreateKeyFrame(double cue, double rotation, int zIndex) => + KeyFrame CreateKeyFrame(double cue, double rotation, int zIndex, bool isVisible = true) => new() { Setters = { new Setter { Property = rotateProperty, Value = rotation }, new Setter { Property = Visual.ZIndexProperty, Value = zIndex }, + new Setter { Property = Visual.IsVisibleProperty, Value = isVisible }, centerZSetter, depthSetter }, @@ -71,15 +70,16 @@ public class Rotate3DTransition: PageSlide { Easing = SlideOutEasing, Duration = Duration, + FillMode = FillMode.Forward, Children = { CreateKeyFrame(0d, 0d, 2), CreateKeyFrame(0.5d, 45d * (forward ? -1 : 1), 1), - CreateKeyFrame(1d, 90d * (forward ? -1 : 1), 1) + CreateKeyFrame(1d, 90d * (forward ? -1 : 1), 1, isVisible: false) } }; - tasks.Add(animation.RunAsync(from, null, cancellationToken)); + tasks[0] = animation.RunAsync(from, null, cancellationToken); } if (to != null) @@ -89,6 +89,7 @@ public class Rotate3DTransition: PageSlide { Easing = SlideInEasing, Duration = Duration, + FillMode = FillMode.Forward, Children = { CreateKeyFrame(0d, 90d * (forward ? 1 : -1), 1), @@ -97,23 +98,23 @@ public class Rotate3DTransition: PageSlide } }; - tasks.Add(animation.RunAsync(to, null, cancellationToken)); + tasks[1] = animation.RunAsync(to, null, cancellationToken); } await Task.WhenAll(tasks); if (!cancellationToken.IsCancellationRequested) { + if (to != null) + { + to.ZIndex = 2; + } + if (from != null) { from.IsVisible = false; from.ZIndex = 1; } - - if (to != null) - { - to.ZIndex = 2; - } } } }