ddd

Wpf_AiSportsMicrospace/Home.xaml

@@ -4,6 +4,6 @@
       xmlns:local="clr-namespace:Wpf_AiSportsMicrospace.MyUserControl"
         Title="Home" Height="600" Width="800" Loaded="Window_Loaded">
     <Grid>
-        <local:CoverFlowControl x:Name="coverFlow" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+        <local:CoverFlowControl1 x:Name="coverFlow" HorizontalAlignment="Center" VerticalAlignment="Center"/>
     </Grid>
 </Window>

Wpf_AiSportsMicrospace/Home.xaml.cs

@@ -43,23 +43,30 @@ namespace Wpf_AiSportsMicrospace
         public Home()
         {
             InitializeComponent();
-            _humanPredictor = HumanPredictorFactory.Create(HumanPredictorType.SingleHigh);
-            _objectDetector = ObjectDetectorFactory.CreateSportGoodsDetector();
-            _humanGraphicsRenderer = new HumanGraphicsRenderer();
-            _humanGraphicsRenderer.DrawLabel = false;
+            //_humanPredictor = HumanPredictorFactory.Create(HumanPredictorType.SingleHigh);
+            //_objectDetector = ObjectDetectorFactory.CreateSportGoodsDetector();
+            //_humanGraphicsRenderer = new HumanGraphicsRenderer();
+            //_humanGraphicsRenderer.DrawLabel = false;
 
-            _sports = SportBase.GetSports();
-            _detectQueue = new SportDetectionQueue();
+            //_sports = SportBase.GetSports();
+            //_detectQueue = new SportDetectionQueue();
 
             string projectRoot = Path.Combine(AppContext.BaseDirectory, @"..\..\..");
             string albumPath = Path.Combine(projectRoot, "Resources", "Img", "Album");
 
             // 转换为 Uri
-            coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "1.jpg")));
-            coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "2.jpg")));
-            coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "3.jpg")));
-            coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "4.jpg")));
-            coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "5.jpg")));
+            //coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "1.jpg")));
+            //coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "2.jpg")));
+            //coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "3.jpg")));
+            //coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "4.jpg")));
+            //coverFlow.Images.Add(new Uri(Path.Combine(albumPath, "5.jpg")));
+
+
+            coverFlow.Images.Add(new CoverFlowItem { ImageUri = new Uri(Path.Combine(albumPath, "1.jpg")) });
+            coverFlow.Images.Add(new CoverFlowItem { ImageUri = new Uri(Path.Combine(albumPath, "2.jpg")) });
+            coverFlow.Images.Add(new CoverFlowItem { ImageUri = new Uri(Path.Combine(albumPath, "3.jpg")) });
+            coverFlow.Images.Add(new CoverFlowItem { ImageUri = new Uri(Path.Combine(albumPath, "4.jpg")) });
+            coverFlow.Images.Add(new CoverFlowItem { ImageUri = new Uri(Path.Combine(albumPath, "5.jpg")) });
 
             // 默认选中第3张
             coverFlow.SelectedIndex = 2;
@@ -67,18 +74,18 @@ namespace Wpf_AiSportsMicrospace
 
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
-            _leftTracker = PostureCalculate.CreatePointTracker("left_wrist", 0);
-            _rightTracker = PostureCalculate.CreatePointTracker("right_wrist", 0);
-            _leftElbow = PostureCalculate.CreatePointTracker("left_elbow", 0);
-            _rightElbow = PostureCalculate.CreatePointTracker("right_elbow", 0);
+            //_leftTracker = PostureCalculate.CreatePointTracker("left_wrist", 0);
+            //_rightTracker = PostureCalculate.CreatePointTracker("right_wrist", 0);
+            //_leftElbow = PostureCalculate.CreatePointTracker("left_elbow", 0);
+            //_rightElbow = PostureCalculate.CreatePointTracker("right_elbow", 0);
 
-            _leftTracker.Amplitude = 0.05f;
-            _rightTracker.Amplitude = 0.05f;
+            //_leftTracker.Amplitude = 0.05f;
+            //_rightTracker.Amplitude = 0.05f;
 
-            _leftElbow.Amplitude = 0.05f;
-            _rightElbow.Amplitude = 0.05f;
+            //_leftElbow.Amplitude = 0.05f;
+            //_rightElbow.Amplitude = 0.05f;
 
-            LoadRTSP();
+            //LoadRTSP();
         }
 
         private void LoadRTSP()

Wpf_AiSportsMicrospace/MyUserControl/CoverFlowControl1.xaml

@@ -5,45 +5,42 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
              xmlns:local="clr-namespace:Wpf_AiSportsMicrospace.MyUserControl"            
-             mc:Ignorable="d"  Background="Black"  x:Name="Root">
-    <Grid>
-        <Grid.RowDefinitions>
-            <RowDefinition Height="0.7*"/>
-            <RowDefinition Height="0.3*"/>
-        </Grid.RowDefinitions>
+             Height="300" Width="600">
+    <UserControl.Resources>
+        <BooleanToVisibilityConverter x:Key="BoolToVisibilityConverter"/>
+        <local:ProgressToRectangleGeometryConverter x:Key="ProgressToRectangleGeometryConverter"/>
+    </UserControl.Resources>
 
-        <!-- 3D视图 -->
-        <_3DTools:Interactive3DDecorator>
-            <Viewport3D x:Name="viewport3D">
-                <Viewport3D.Camera>
-                    <PerspectiveCamera Position="0,0,10"/>
-                </Viewport3D.Camera>
+    <Grid Background="Transparent">
+        <ItemsControl x:Name="ItemsHost" ItemsSource="{Binding Images, RelativeSource={RelativeSource AncestorType=UserControl}}">
+            <ItemsControl.ItemsPanel>
+                <ItemsPanelTemplate>
+                    <Canvas/>
+                </ItemsPanelTemplate>
+            </ItemsControl.ItemsPanel>
 
-                <ModelVisual3D>
-                    <ModelVisual3D.Content>
-                        <AmbientLight Color="White"/>
-                    </ModelVisual3D.Content>
-                </ModelVisual3D>
-            </Viewport3D>
-        </_3DTools:Interactive3DDecorator>
+            <ItemsControl.ItemTemplate>
+                <DataTemplate>
+                    <Border x:Name="ImageContainer" RenderTransformOrigin="0.5,0.5"
+                            MouseLeftButtonDown="Image_MouseLeftButtonDown"
+                            BorderBrush="Transparent" BorderThickness="4">
+                        <Border.RenderTransform>
+                            <TransformGroup>
+                                <ScaleTransform x:Name="scale" ScaleX="1" ScaleY="1"/>
+                                <TranslateTransform x:Name="translate" X="0" Y="0"/>
+                            </TransformGroup>
+                        </Border.RenderTransform>
 
-        <!-- 控制Slider -->
-        <UniformGrid Grid.Row="1" Columns="2" Rows="2" Background="White">
-            <Slider HorizontalAlignment="Stretch" VerticalAlignment="Center"
-                    SmallChange="1" Maximum="90"
-                    Value="{Binding Path=ModelAngle, ElementName=Root, Mode=TwoWay}"/>
+                        <Grid>
+                            <Image Source="{Binding ImageUri}" Stretch="UniformToFill" Width="150" Height="200"/>
 
-            <Slider HorizontalAlignment="Stretch" VerticalAlignment="Center"
-                    Maximum="3" Minimum="1.5" SmallChange="0.5"
-                    Value="{Binding Path=MidModelDistance, ElementName=Root, Mode=TwoWay}"/>
-
-            <Slider VerticalAlignment="Center"
-                    Maximum="1" Minimum="0.5"
-                    Value="{Binding Path=XDistanceBetweenModels, ElementName=Root, Mode=TwoWay}"/>
-
-            <Slider VerticalAlignment="Center"
-                    Maximum="3"
-                    Value="{Binding Path=ZDistanceBetweenModels, ElementName=Root, Mode=TwoWay}"/>
-        </UniformGrid>
+                            <!-- 矩形进度条 -->
+                            <Path Stroke="Red" StrokeThickness="4" Visibility="{Binding IsSelected, Converter={StaticResource BoolToVisibilityConverter}}"
+                                  Data="{Binding Progress, Converter={StaticResource ProgressToRectangleGeometryConverter}, ConverterParameter='150,200'}"/>
+                        </Grid>
+                    </Border>
+                </DataTemplate>
+            </ItemsControl.ItemTemplate>
+        </ItemsControl>
     </Grid>
 </UserControl>

Wpf_AiSportsMicrospace/MyUserControl/CoverFlowControl1.xaml.cs

@@ -1,6 +1,7 @@
 using _3DTools;
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -16,344 +17,151 @@ using System.Windows.Media.Imaging;
 using System.Windows.Media.Media3D;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
+using System.Windows.Threading;
 
 namespace Wpf_AiSportsMicrospace.MyUserControl
 {
     /// <summary>
     /// CoverFlowControl1.xaml 的交互逻辑
     /// </summary>
+
     public partial class CoverFlowControl1 : UserControl
     {
+        public ObservableCollection<CoverFlowItem> Images { get; set; } = new ObservableCollection<CoverFlowItem>();
+        private int _selectedIndex = 0;
+
+        public int SelectedIndex
+        {
+            get => _selectedIndex;
+            set
+            {
+                if (Images.Count == 0) return;
+                if (value < 0) _selectedIndex = Images.Count - 1;
+                else if (value >= Images.Count) _selectedIndex = 0;
+                else _selectedIndex = value;
+
+                for (int i = 0; i < Images.Count; i++)
+                {
+                    Images[i].IsSelected = (i == _selectedIndex);
+                    if (i == _selectedIndex) Images[i].Progress = 0;
+                }
+
+                UpdateLayoutWithAnimation();
+            }
+        }
+
         public CoverFlowControl1()
         {
             InitializeComponent();
-            InitControl();
-        }
+            DataContext = this;
+            Loaded += (s, e) => UpdateLayoutWithAnimation(true);
 
-        #region 依赖属性注册
-        public static readonly DependencyProperty CurrentMidIndexProperty =
-            DependencyProperty.Register(
-                "CurrentMidIndex", typeof(double), typeof(CoverFlowControl),
-                new FrameworkPropertyMetadata(new PropertyChangedCallback(CurrentMidIndexPropertyChangedCallback)));
-
-        private static void CurrentMidIndexPropertyChangedCallback(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
-        {
-            var ctrl = sender as CoverFlowControl1;
-            ctrl?.ReLayoutInteractiveVisual3D();
-        }
-
-        public double CurrentMidIndex
-        {
-            get => (double)GetValue(CurrentMidIndexProperty);
-            set => SetValue(CurrentMidIndexProperty, value);
-        }
-
-        public static readonly DependencyProperty ModelAngleProperty =
-            DependencyProperty.Register(
-                "ModelAngle", typeof(double), typeof(CoverFlowControl),
-                new FrameworkPropertyMetadata(70.0, new PropertyChangedCallback(ModelAnglePropertyChangedCallback)));
-
-        private static void ModelAnglePropertyChangedCallback(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
-        {
-            var ctrl = sender as CoverFlowControl1;
-            ctrl?.ReLayoutInteractiveVisual3D();
-        }
-
-        public double ModelAngle
-        {
-            get => (double)GetValue(ModelAngleProperty);
-            set => SetValue(ModelAngleProperty, value);
-        }
-
-        public static readonly DependencyProperty XDistanceBetweenModelsProperty =
-            DependencyProperty.Register(
-                "XDistanceBetweenModels", typeof(double), typeof(CoverFlowControl),
-                new FrameworkPropertyMetadata(0.5, XDistanceBetweenModelsPropertyChangedCallback));
-
-        private static void XDistanceBetweenModelsPropertyChangedCallback(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
-        {
-            var ctrl = sender as CoverFlowControl1;
-            ctrl?.ReLayoutInteractiveVisual3D();
-        }
-
-        public double XDistanceBetweenModels
-        {
-            get => (double)GetValue(XDistanceBetweenModelsProperty);
-            set => SetValue(XDistanceBetweenModelsProperty, value);
-        }
-
-        public static readonly DependencyProperty ZDistanceBetweenModelsProperty =
-            DependencyProperty.Register(
-                "ZDistanceBetweenModels", typeof(double), typeof(CoverFlowControl),
-                new FrameworkPropertyMetadata(0.5, ZDistanceBetweenModelsPropertyChangedCallback));
-
-        private static void ZDistanceBetweenModelsPropertyChangedCallback(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
-        {
-            var ctrl = sender as CoverFlowControl1;
-            ctrl?.ReLayoutInteractiveVisual3D();
-        }
-
-        public double ZDistanceBetweenModels
-        {
-            get => (double)GetValue(ZDistanceBetweenModelsProperty);
-            set => SetValue(ZDistanceBetweenModelsProperty, value);
-        }
-
-        public static readonly DependencyProperty MidModelDistanceProperty =
-            DependencyProperty.Register(
-                "MidModelDistance", typeof(double), typeof(CoverFlowControl),
-                new FrameworkPropertyMetadata(1.5, MidModelDistancePropertyChangedCallback));
-
-        private static void MidModelDistancePropertyChangedCallback(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
-        {
-            var ctrl = sender as CoverFlowControl1;
-            ctrl?.ReLayoutInteractiveVisual3D();
-        }
-
-        public double MidModelDistance
-        {
-            get => (double)GetValue(MidModelDistanceProperty);
-            set => SetValue(MidModelDistanceProperty, value);
-        }
-        #endregion
-        private void InitControl()
-        {
-            this.LoadImageToViewport3D(this.GetUserImages());
-
-            // 鼠标事件改为控件自身
-            this.MouseDown += (s, e) =>
+            var timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(30) };
+            timer.Tick += (s, e) =>
             {
-                if (e.LeftButton == MouseButtonState.Pressed)
-                    this.CurrentMidIndex++;
+                if (Images.Count == 0) return;
+                var current = Images[_selectedIndex];
+                if (current.Progress < 1)
+                    current.Progress += 0.01; // 调整速度
+            };
+            timer.Start();
+        }
+
+        private void Image_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (sender is Border border)
+            {
+                var container = ItemsHost.ItemContainerGenerator.ContainerFromItem(border.DataContext) as ContentPresenter;
+                if (container != null)
+                {
+                    int index = ItemsHost.ItemContainerGenerator.IndexFromContainer(container);
+                    SelectedIndex = index;
+                }
+            }
+        }
+
+        private void UpdateLayoutWithAnimation(bool instant = false)
+        {
+            double centerX = ActualWidth / 2;
+            double spacing = 180;
+            double sideScale = 0.8;
+            double centerScale = 1.2;
+
+            for (int i = 0; i < ItemsHost.Items.Count; i++)
+            {
+                var container = ItemsHost.ItemContainerGenerator.ContainerFromIndex(i) as ContentPresenter;
+                if (container == null) continue;
+
+                var border = FindVisualChild<Border>(container);
+                if (border == null) continue;
+
+                var transformGroup = border.RenderTransform as TransformGroup;
+                var scale = transformGroup.Children[0] as ScaleTransform;
+                var translate = transformGroup.Children[1] as TranslateTransform;
+
+                double targetX;
+                double targetScale;
+                double targetOpacity;
+
+                if (i == SelectedIndex)
+                {
+                    targetX = centerX - 75;
+                    targetScale = centerScale;
+                    targetOpacity = 1.0;
+                }
+                else if (i == SelectedIndex - 1 || (SelectedIndex == 0 && i == Images.Count - 1))
+                {
+                    targetX = centerX - spacing - 75;
+                    targetScale = sideScale;
+                    targetOpacity = 1.0;
+                }
+                else if (i == SelectedIndex + 1 || (SelectedIndex == Images.Count - 1 && i == 0))
+                {
+                    targetX = centerX + spacing - 75;
+                    targetScale = sideScale;
+                    targetOpacity = 1.0;
+                }
                 else
-                    this.CurrentMidIndex--;
-            };
-        }
-
-        /// <summary>
-        /// 获取当前用户的图片文件夹中的图片(不包含子文件夹)
-        /// </summary>
-        /// <returns>返回图片路径列表</returns>
-        private List<string> GetUserImages()
-        {
-            List<string> images = new List<string>();
-
-            string path = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
-            DirectoryInfo dir = new DirectoryInfo(path);
-            FileInfo[] files = dir.GetFiles("*.jpg", SearchOption.AllDirectories);
-            if (files != null)
-            {
-                foreach (FileInfo file in files)
                 {
-                    images.Add(file.FullName);
+                    targetX = centerX - 75;
+                    targetScale = sideScale;
+                    targetOpacity = 0.0;
                 }
-            }
 
-            return images;
-        }
-
-        /// <summary>
-        /// 添加图片到视口
-        /// </summary>
-        /// <param name="images"></param>
-        private void LoadImageToViewport3D(List<string> images)
-        {
-            if (images == null)
-            {
-                return;
-            }
-
-            for (int i = 0; i < images.Count; i++)
-            {
-                string imageFile = images[i];
-
-                InteractiveVisual3D iv3d = this.CreateInteractiveVisual3D(imageFile, i);
-
-                this.viewport3D.Children.Add(iv3d);
-            }
-
-            this.ReLayoutInteractiveVisual3D();
-        }
-        private InteractiveVisual3D CreateInteractiveVisual3D(string imageFile, int index)
-        {
-            InteractiveVisual3D iv3d = new InteractiveVisual3D();
-            iv3d.Visual = this.CreateVisual(imageFile, index);
-            iv3d.Geometry = this.CreateGeometry3D();
-            iv3d.Transform = this.CreateEmptyTransform3DGroup();
-
-            return iv3d;
-        }
-        /// <summary>
-        /// 创建一个空的Transform3DGroup
-        /// </summary>
-        /// <returns></returns>
-        private Transform3DGroup CreateEmptyTransform3DGroup()
-        {
-            Transform3DGroup group = new Transform3DGroup();
-            group.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 1, 0), 0)));
-            group.Children.Add(new TranslateTransform3D(new Vector3D()));
-            group.Children.Add(new ScaleTransform3D());
-
-            return group;
-        }
-
-        /// <summary>
-        /// 创建3D图形
-        /// </summary>
-        /// <returns>创建的3D图形</returns>
-        private Geometry3D CreateGeometry3D()
-        {
-            MeshGeometry3D geometry = new MeshGeometry3D();
-
-            geometry.Positions = new Point3DCollection();
-            geometry.Positions.Add(new Point3D(-1, 1, 0));
-            geometry.Positions.Add(new Point3D(-1, -1, 0));
-            geometry.Positions.Add(new Point3D(1, -1, 0));
-            geometry.Positions.Add(new Point3D(1, 1, 0));
-
-            geometry.TriangleIndices = new Int32Collection();
-            geometry.TriangleIndices.Add(0);
-            geometry.TriangleIndices.Add(1);
-            geometry.TriangleIndices.Add(2);
-            geometry.TriangleIndices.Add(0);
-            geometry.TriangleIndices.Add(2);
-            geometry.TriangleIndices.Add(3);
-
-            geometry.TextureCoordinates = new PointCollection();
-            geometry.TextureCoordinates.Add(new Point(0, 0));
-            geometry.TextureCoordinates.Add(new Point(0, 1));
-            geometry.TextureCoordinates.Add(new Point(1, 1));
-            geometry.TextureCoordinates.Add(new Point(1, 0));
-
-            return geometry;
-        }
-
-
-        /// <summary>
-        ///  由指定的图片路径创建一个可视对象
-        /// </summary>
-        /// <param name="imageFile">图片路径</param>
-        /// <returns>创建的可视对象</returns>
-        private Visual CreateVisual(string imageFile, int index)
-        {
-            BitmapImage bmp = null;
-
-            try
-            {
-                bmp = new BitmapImage(new Uri(imageFile));
-            }
-            catch
-            {
-            }
-
-            Image img = new Image();
-            img.Width = 50;
-            img.Source = bmp;
-
-            Border outBordre = new Border();
-            outBordre.BorderBrush = Brushes.White;
-            outBordre.BorderThickness = new Thickness(0.5);
-            outBordre.Child = img;
-
-            outBordre.MouseDown += delegate (object sender, MouseButtonEventArgs e)
-            {
-                this.CurrentMidIndex = index;
-                e.Handled = true;
-            };
-
-            return outBordre;
-
-        }
-
-        /// <summary>
-        /// 重新布局3D内容
-        /// </summary>
-        private void ReLayoutInteractiveVisual3D()
-        {
-            int j = 0;
-            for (int i = 0; i < this.viewport3D.Children.Count; i++)
-            {
-                InteractiveVisual3D iv3d = this.viewport3D.Children[i] as InteractiveVisual3D;
-                if (iv3d != null)
+                if (instant)
                 {
-                    double angle = 0;
-                    double offsetX = 0;
-                    double offsetZ = 0;
-                    this.GetTransformOfInteractiveVisual3D(j++, this.CurrentMidIndex, out angle, out offsetX, out offsetZ);
-
-
-                    NameScope.SetNameScope(this, new NameScope());
-                    this.RegisterName("iv3d", iv3d);
-                    Duration time = new Duration(TimeSpan.FromSeconds(0.3));
-
-                    DoubleAnimation angleAnimation = new DoubleAnimation(angle, time);
-                    DoubleAnimation xAnimation = new DoubleAnimation(offsetX, time);
-                    DoubleAnimation zAnimation = new DoubleAnimation(offsetZ, time);
-
-                    Storyboard story = new Storyboard();
-                    story.Children.Add(angleAnimation);
-                    story.Children.Add(xAnimation);
-                    story.Children.Add(zAnimation);
-
-                    Storyboard.SetTargetName(angleAnimation, "iv3d");
-                    Storyboard.SetTargetName(xAnimation, "iv3d");
-                    Storyboard.SetTargetName(zAnimation, "iv3d");
-
-                    Storyboard.SetTargetProperty(
-                        angleAnimation,
-                        new PropertyPath("(ModelVisual3D.Transform).(Transform3DGroup.Children)[0].(RotateTransform3D.Rotation).(AxisAngleRotation3D.Angle)"));
-
-                    Storyboard.SetTargetProperty(
-                        xAnimation,
-                        new PropertyPath("(ModelVisual3D.Transform).(Transform3DGroup.Children)[1].(TranslateTransform3D.OffsetX)"));
-                    Storyboard.SetTargetProperty(
-                        zAnimation,
-                        new PropertyPath("(ModelVisual3D.Transform).(Transform3DGroup.Children)[1].(TranslateTransform3D.OffsetZ)"));
-
-                    story.Begin(this);
-
+                    translate.X = targetX;
+                    scale.ScaleX = scale.ScaleY = targetScale;
+                    border.Opacity = targetOpacity;
+                }
+                else
+                {
+                    translate.BeginAnimation(TranslateTransform.XProperty,
+                        new DoubleAnimation(targetX, TimeSpan.FromMilliseconds(400)) { EasingFunction = new QuadraticEase() });
+                    scale.BeginAnimation(ScaleTransform.ScaleXProperty,
+                        new DoubleAnimation(targetScale, TimeSpan.FromMilliseconds(400)) { EasingFunction = new QuadraticEase() });
+                    scale.BeginAnimation(ScaleTransform.ScaleYProperty,
+                        new DoubleAnimation(targetScale, TimeSpan.FromMilliseconds(400)) { EasingFunction = new QuadraticEase() });
+                    border.BeginAnimation(Border.OpacityProperty,
+                        new DoubleAnimation(targetOpacity, TimeSpan.FromMilliseconds(400)));
                 }
             }
         }
 
-        /// <summary>
-        /// 依照InteractiveVisual3D在列表中的序号来变换其位置等
-        /// </summary>
-        /// <param name="index">在列表中的序号</param>
-        /// <param name="midIndex">列表中被作为中间项的序号</param>
-        private void GetTransformOfInteractiveVisual3D(int index, double midIndex, out double angle, out double offsetX, out double offsetZ)
+        private static T FindVisualChild<T>(DependencyObject obj) where T : DependencyObject
         {
-            double disToMidIndex = index - midIndex;
-
-
-            //旋转,两翼的图片各旋转一定的度数
-            angle = 0;
-            if (disToMidIndex < 0)
+            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(obj); i++)
             {
-                angle = this.ModelAngle;//左边的旋转N度
+                var child = VisualTreeHelper.GetChild(obj, i);
+                if (child is T target) return target;
+                var result = FindVisualChild<T>(child);
+                if (result != null) return result;
             }
-            else if (disToMidIndex > 0)
-            {
-                angle = (-this.ModelAngle);//右边的旋转-N度
-            }
-
-
-
-            //平移,两翼的图片逐渐向X轴负和正两个方向展开
-            offsetX = 0;//中间的不平移
-            if (Math.Abs(disToMidIndex) <= 1)
-            {
-                offsetX = disToMidIndex * this.MidModelDistance;
-            }
-            else if (disToMidIndex != 0)
-            {
-                offsetX = disToMidIndex * this.XDistanceBetweenModels + (disToMidIndex > 0 ? this.MidModelDistance : -this.MidModelDistance);
-            }
-
-
-            //两翼的图片逐渐向Z轴负方向移动一点,造成中间突出(离观众较近的效果)
-            offsetZ = Math.Abs(disToMidIndex) * -this.ZDistanceBetweenModels;
-
+            return null;
         }
+
+        public void SlideLeft() => SelectedIndex++;
+        public void SlideRight() => SelectedIndex--;
     }
+
 }

Wpf_AiSportsMicrospace/MyUserControl/CoverFlowItem.cs

@@ -8,17 +8,27 @@ using System.Windows;
 
 namespace Wpf_AiSportsMicrospace.MyUserControl
 {
-    public class CoverFlowItem : DependencyObject
+    public class CoverFlowItem : INotifyPropertyChanged
     {
+        private bool _isSelected;
+        private double _progress; // 0~1
+
         public Uri ImageUri { get; set; }
 
+        public bool IsSelected
+        {
+            get => _isSelected;
+            set { _isSelected = value; OnPropertyChanged(nameof(IsSelected)); }
+        }
+
         public double Progress
         {
-            get => (double)GetValue(ProgressProperty);
-            set => SetValue(ProgressProperty, value);
+            get => _progress;
+            set { _progress = value; OnPropertyChanged(nameof(Progress)); }
         }
 
-        public static readonly DependencyProperty ProgressProperty =
-            DependencyProperty.Register(nameof(Progress), typeof(double), typeof(CoverFlowItem), new PropertyMetadata(0.0));
+        public event PropertyChangedEventHandler PropertyChanged;
+        protected void OnPropertyChanged(string name) =>
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
     }
 }