WPF Viewport3D放置组件图像不清晰

[desperaso]

Viewport3D内放置组件旋转，组件内包含图像的话，图像不清晰发虚，如何设置？

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Media3D;

public class RotatingEffect
{
    private AxisAngleRotation3D axisAngleRotation;
    private double delay;

    /// <summary>
    /// 3D 旋转切换组件
    /// </summary>
    /// <param name="width">宽度</param>
    /// <param name="height">高度</param>
    /// <param name="direction">旋转方向 0-横向 1-纵向</param>
    /// <param name="control_First">正面显示的组件</param>
    /// <param name="control_Second">背面显示的组件</param>
    /// <param name="timeDelay">动画时长</param>
    /// <returns>Viewport3D 组件</returns>
    public Viewport3D rotatingEffect(double width, double height, int direction, UserControl control_First, UserControl control_Second, double timeDelay)
    {
        delay = timeDelay;
        double Mesh_Width = width / 2;
        double Mesh_Height = height / 2;

        Viewport3D viewport3D = new Viewport3D();
        PerspectiveCamera perspectiveCamera = new PerspectiveCamera()
        {
            Position = new Point3D(0, 0, width * 2), // 可调整
            LookDirection = new Vector3D(0, 0, -1),
            NearPlaneDistance = 100 // 可调整
        };
        viewport3D.Camera = perspectiveCamera;
        ContainerUIElement3D containerUIElement3D = new ContainerUIElement3D();
        DiffuseMaterial diffuseMaterial = new DiffuseMaterial();
        Viewport2DVisual3D.SetIsVisualHostMaterial(diffuseMaterial, true);
        MeshGeometry3D MeshGeometry_1 = new MeshGeometry3D()
        {
            TriangleIndices = new Int32Collection(new int[] { 0, 1, 2, 0, 2, 3 }),
            TextureCoordinates = new PointCollection(new Point[] { new Point(0, 0), new Point(0, 1), new Point(1, 1), new Point(1, 0) }),
            Positions = new Point3DCollection(new Point3D[] {
                    new Point3D(-Mesh_Width, Mesh_Height, 0),
                    new Point3D(-Mesh_Width, -Mesh_Height, 0),
                    new Point3D(Mesh_Width, -Mesh_Height, 0),
                    new Point3D(Mesh_Width, Mesh_Height, 0)
                })
        };
        Viewport2DVisual3D viewport2DVisual3D_1 = new Viewport2DVisual3D()
        {
            Geometry = MeshGeometry_1,
            Visual = control_First,
            Material = diffuseMaterial
        };
        PointCollection Direction;
        Vector3D vector3D;
        if (direction == 0)
        {
            Direction = new PointCollection(new Point[] { new Point(0, 0), new Point(0, 1), new Point(1, 1), new Point(1, 0) });
            vector3D = new Vector3D(0, 1, 0);
        }
        else
        {
            Direction = new PointCollection(new Point[] { new Point(1, 1), new Point(1, 0), new Point(0, 0), new Point(0, 1) });
            vector3D = new Vector3D(1, 0, 0);
        }
        MeshGeometry3D MeshGeometry_2 = new MeshGeometry3D()
        {
            TriangleIndices = new Int32Collection(new int[] { 0, 1, 2, 0, 2, 3 }),
            TextureCoordinates = Direction,
            Positions = new Point3DCollection(new Point3D[] {
                    new Point3D(Mesh_Width, Mesh_Height, 0),
                    new Point3D(Mesh_Width, -Mesh_Height, 0),
                    new Point3D(-Mesh_Width, -Mesh_Height, 0),
                    new Point3D(-Mesh_Width, Mesh_Height, 0)
                })
        };
        Viewport2DVisual3D viewport2DVisual3D_2 = new Viewport2DVisual3D()
        {
            Geometry = MeshGeometry_2,
            Visual = control_Second,
            Material = diffuseMaterial
        };
        containerUIElement3D.Children.Add(viewport2DVisual3D_1);
        containerUIElement3D.Children.Add(viewport2DVisual3D_2);
        axisAngleRotation = new AxisAngleRotation3D()
        {
            Angle = 0,
            Axis = vector3D
        };
        RotateTransform3D rotateTransform3D = new RotateTransform3D()
        {
            CenterX = 0.5,
            CenterY = 0.5,
            CenterZ = 0.5,
            Rotation = axisAngleRotation
        };
        containerUIElement3D.Transform = rotateTransform3D;
        ModelVisual3D modelVisual3D = new ModelVisual3D()
        {
            Content = new DirectionalLight(Colors.Transparent, new Vector3D(0, 0, -1))
        };
        viewport3D.Children.Add(containerUIElement3D);
        viewport3D.Children.Add(modelVisual3D);
        return viewport3D;
    }

    /// <summary>
    /// 旋转角度
    /// </summary>
    /// <param name="degrees">角度</param>
    public void Turn(double degrees)
    {
        DoubleAnimation da = new DoubleAnimation();
        da.Duration = new Duration(TimeSpan.FromSeconds(delay));
        da.To = degrees;
        axisAngleRotation.BeginAnimation(AxisAngleRotation3D.AngleProperty, da);
    }
}

[desperaso]

[xuzuning]

形变首先牺牲的就是清晰度 角速度过高也会导致模糊，虽然这是软硬件响应速度问题，但符合现实生活