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在Avalonia中要实现一个正方体的翻转效果,需要利用动画和变换的功能,但由于Avalonia主要是2D UI框架,对3D支持有限。你可以通过2D的方式来近似模拟3D翻转的效果,或者配合像Avalonia3D这样的扩展库来实现。 示例代码大纲如下:
UserControl
,并定义必要的RenderTransform
。Avalonia.Animation
中的类定义模拟正方体翻转的动画。可以使用RotateTransform
和ScaleTransform
制作动画序列。- <Window xmlns="<https://github.com/avaloniaui>"
- xmlns:x="<http://schemas.microsoft.com/winfx/2006/xaml>"
- Title="Avalonia 3D Cube Flip">
- <Grid>
- <UserControl x:Name="FlipControl" Width="200" Height="200" Background="Blue">
- <UserControl.RenderTransform>
- <TransformGroup>
- <ScaleTransform x:Name="scaleTransform"/>
- <RotateTransform x:Name="rotateTransform"/>
- </TransformGroup>
- </UserControl.RenderTransform>
- </UserControl>
- <Button Content="Flip" HorizontalAlignment="Right" VerticalAlignment="Bottom" Click="OnFlipClick"/>
- </Grid>
- </Window>
- public partial class MainWindow : Window
- {
- public MainWindow()
- {
- InitializeComponent();
- }
- private void OnFlipClick(object sender, RoutedEventArgs e)
- {
- // 定义翻转动画
- var animation = new Animation
- {
- Duration = TimeSpan.FromSeconds(1),
- FillMode = FillMode.Forward,
- Children =
- {
- new KeyFrame
- {
- Setters =
- {
- new Setter(RotateTransform.AngleProperty, 90),
- new Setter(ScaleTransform.ScaleXProperty, 0)
- },
- Cue = new Cue(0.5)
- },
- new KeyFrame
- {
- Setters =
- {
- new Setter(RotateTransform.AngleProperty, 180),
- new Setter(ScaleTransform.ScaleXProperty, 1)
- },
- Cue = new Cue(1)
- }
- }
- };
- // 应用动画到正方体
- var rotateTransform = this.FindControl<RotateTransform>("rotateTransform");
- // 应用动画到RotateTransform
- rotateTransform.BeginAnimation(RotateTransform.AngleProperty, animation);
- }
- }
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