using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation;

namespace WpfApp6
{
    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
        Model3DGroup modelGroup = new Model3DGroup();
        PerspectiveCamera myPCamera = new PerspectiveCamera();
        GeometryModel3D teapotModel = new GeometryModel3D();
        Transform3DCollection myTransforms = new Transform3DCollection();
        Viewport3D myViewport = new Viewport3D();



        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            //Set camera viewpoint and properties.
            myPCamera.FarPlaneDistance = 20;
            myPCamera.NearPlaneDistance = 1;
            myPCamera.FieldOfView = 45;
            myPCamera.Position = new Point3D(0, 0, 10);
            myPCamera.LookDirection = new Vector3D(0, 0, -10);
            myPCamera.UpDirection = new Vector3D(0, 1, 0);

            //Add light sources to the scene.
            //PointLight myDirLight = new PointLight(Color.FromRgb(255, 255, 255), new Point3D(0, 0, 10));
            DirectionalLight myDirLight = new DirectionalLight(Color.FromRgb(255, 255, 255), new Vector3D(1, 1, -3));

            teapotModel.Geometry = (MeshGeometry3D)Application.Current.Resources["myTeapot"];



            Brush objectBrush;

            DiffuseMaterial diffuseMaterial;
            SpecularMaterial specularMaterial;

            MaterialGroup matGroup = new MaterialGroup();

            matGroup.Children.Clear();
            objectBrush = new SolidColorBrush(Color.FromArgb(255, 255, 255, 255));
            diffuseMaterial = new DiffuseMaterial(objectBrush);
            specularMaterial = new SpecularMaterial(new SolidColorBrush(Color.FromRgb(255, 255, 255)), 100);

            matGroup.Children.Add(diffuseMaterial);
            matGroup.Children.Add(specularMaterial);

            ColorAnimationUsingKeyFrames objColorAnim = new ColorAnimationUsingKeyFrames();

            objColorAnim.KeyFrames.Add(new DiscreteColorKeyFrame(Color.FromRgb(255, 255, 255), KeyTime.FromTimeSpan(new TimeSpan(0, 0, 5))));
            objColorAnim.KeyFrames.Add(new DiscreteColorKeyFrame(Color.FromRgb(255, 0, 0), KeyTime.FromTimeSpan(new TimeSpan(0, 0, 10))));
            objColorAnim.KeyFrames.Add(new DiscreteColorKeyFrame(Color.FromRgb(0, 255, 0), KeyTime.FromTimeSpan(new TimeSpan(0, 0, 15))));
            objColorAnim.KeyFrames.Add(new LinearColorKeyFrame(Color.FromRgb(0, 0, 255), KeyTime.FromTimeSpan(new TimeSpan(0, 0, 20))));
            objColorAnim.KeyFrames.Add(new LinearColorKeyFrame(Color.FromRgb(255,255, 0), KeyTime.FromTimeSpan(new TimeSpan(0, 0, 25))));
            objColorAnim.KeyFrames.Add(new LinearColorKeyFrame(Color.FromRgb(0, 255, 255), KeyTime.FromTimeSpan(new TimeSpan(0, 0, 30))));

            teapotModel.Material = matGroup;

            objColorAnim.RepeatBehavior = RepeatBehavior.Forever;

            objectBrush.BeginAnimation(SolidColorBrush.ColorProperty, objColorAnim);


            // Quaternion  Структура, представляющая поворот в трех измерениях.

            RotateTransform3D myRotateTransform3D = new RotateTransform3D();

            Quaternion q1 = new Quaternion(new Vector3D(1, 1, 0), 0);
            QuaternionRotation3D myQuaternionRotation3D1 = new QuaternionRotation3D(q1);
            myRotateTransform3D.Rotation = myQuaternionRotation3D1;
            teapotModel.Transform = myRotateTransform3D;

            QuaternionAnimation qa = new QuaternionAnimation(new Quaternion(new Vector3D(1, 1, 0), 0), new Quaternion(new Vector3D(1, 1, 0), 359), new Duration(TimeSpan.FromSeconds(5)));
            qa.UseShortestPath = false;
            qa.RepeatBehavior = RepeatBehavior.Forever;
            myRotateTransform3D.Rotation.BeginAnimation(QuaternionRotation3D.QuaternionProperty, qa);



            modelGroup.Children.Add(teapotModel);
            modelGroup.Children.Add(myDirLight);

            ModelVisual3D modelsVisual = new ModelVisual3D();
            modelsVisual.Content = modelGroup;

            //Add the visual and camera to the Viewport3D.
            myViewport.Camera = myPCamera;
            myViewport.Children.Add(modelsVisual);

            this.Content = myViewport;

        }


    }
}


<Window x:Class="WpfApp6.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp6"
        mc:Ignorable="d"
        Title="MainWindow" Height="740.408" Width="1179.404" Loaded="Window_Loaded">


</Window>