MeshGeometry3D - класс 4 страница

myAxisAngleRotation3d.Axis = new Vector3D(1, 1, 1);

myAxisAngleRotation3d.Angle = 45;

myRotateTransform3D.Rotation = myAxisAngleRotation3d;

teapotModel.Transform = myRotateTransform3D;

 

Vector3DAnimation myVectorAnimation = new Vector3DAnimation(new Vector3D(-1, -1, -1), new Duration(TimeSpan.FromMilliseconds(1000)));

myVectorAnimation.RepeatBehavior = RepeatBehavior.Forever;

myRotateTransform3D.Rotation.BeginAnimation(AxisAngleRotation3D.AxisProperty, myVectorAnimation);

 

 

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;

 

}

}

}

 

 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

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.Media3D;

using System.Windows.Media.Animation;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

 

namespace WpfApplication1

{

/// <summary>

/// Логика взаимодействия для MainWindow.xaml

/// </summary>

public partial class MainWindow: Window

{

public MainWindow()

{

InitializeComponent();

}

Point3D GetPosition(double t, double y)

{

double r = Math.Sqrt(1 - y * y);

double x = r * Math.Cos(t);

double z = r * Math.Sin(t);

 

return new Point3D(x, y, z);

}

 

Vector3D GetNormal(double t, double y)

{

return (Vector3D)GetPosition(t, y);

}

 

Point GetTextureCoordinate(double t, double y)

{

Matrix TYtoUV = new Matrix();

TYtoUV.Scale(1 / (2 * Math.PI), -0.5);

 

Point p = new Point(t, y);

p = p * TYtoUV;

 

return p;

}

private void Window_Loaded_1(object sender, RoutedEventArgs e)

{

 

 

// Declare scene objects.

Viewport3D myViewport3D = new Viewport3D();

Model3DGroup myModel3DGroup = new Model3DGroup();

GeometryModel3D myGeometryModel = new GeometryModel3D();

ModelVisual3D myModelVisual3D = new ModelVisual3D();

 

OrthographicCamera myOCamera = new OrthographicCamera(new Point3D(0, 0, 1), new Vector3D(0, 0, -1), new Vector3D(0, 1, 0), 8);

 

myViewport3D.Camera = myOCamera;

 

DirectionalLight myDirectionalLight = new DirectionalLight();

myDirectionalLight.Color = Colors.White;

myDirectionalLight.Direction = new Vector3D(-0, -0, -3);

 

myModel3DGroup.Children.Add(myDirectionalLight);

 

 

int tDiv = 32;

int yDiv = 32;

double maxTheta = Math.PI*2;

double minY = -1.0;

double maxY = 1.0;

double dt = maxTheta / tDiv;

double dy = (maxY - minY) / yDiv;

MeshGeometry3D mesh = new MeshGeometry3D();

for (int yi = 0; yi <= yDiv; yi++)

{

double y = minY + yi * dy;

for (int ti = 0; ti <= tDiv; ti++)

{

double t = ti * dt;

mesh.Positions.Add(GetPosition(t, y));

mesh.Normals.Add(GetNormal(t, y));

mesh.TextureCoordinates.Add(GetTextureCoordinate(t, y));

}

}

for (int yi = 0; yi < yDiv; yi++)

{

for (int ti = 0; ti < tDiv; ti++)

{

int x0 = ti;

int x1 = (ti + 1);

int y0 = yi * (tDiv + 1);

int y1 = (yi + 1) * (tDiv + 1);

mesh.TriangleIndices.Add(x0 + y0);

mesh.TriangleIndices.Add(x0 + y1);

mesh.TriangleIndices.Add(x1 + y0);

mesh.TriangleIndices.Add(x1 + y0);

mesh.TriangleIndices.Add(x0 + y1);

mesh.TriangleIndices.Add(x1 + y1);

}

}

 

// Apply the mesh to the geometry model.

myGeometryModel.Geometry = mesh;

 

ImageBrush im = new ImageBrush();

im.ImageSource = new BitmapImage(new Uri(@"http://img0.liveinternet.ru/images/attach/c/7/97/89/97089440_large_skvorechnik11.jpg"));

 

// Define material and apply to the mesh geometries.

DiffuseMaterial myMaterial = new DiffuseMaterial(im);

 

// Define material and apply to the mesh geometries.

 

myGeometryModel.Material = myMaterial;

 

RotateTransform3D myRotateTransform3D = new RotateTransform3D();

AxisAngleRotation3D myAxisAngleRotation3d = new AxisAngleRotation3D();

myAxisAngleRotation3d.Axis = new Vector3D(0, 3, 0);

myAxisAngleRotation3d.Angle = 45;

myRotateTransform3D.Rotation = myAxisAngleRotation3d;

myGeometryModel.Transform = myRotateTransform3D;

 

Vector3DAnimation myVectorAnimation = new Vector3DAnimation(new Vector3D(-1, -1, -1), new Duration(TimeSpan.FromMilliseconds(5000)));

myVectorAnimation.RepeatBehavior = RepeatBehavior.Forever;

myRotateTransform3D.Rotation.BeginAnimation(AxisAngleRotation3D.AxisProperty, myVectorAnimation);

 

 

// Add the geometry model to the model group.

myModel3DGroup.Children.Add(myGeometryModel);

 

 

// Add the group of models to the ModelVisual3d.

myModelVisual3D.Content = myModel3DGroup;

 

 

//

myViewport3D.Children.Add(myModelVisual3D);

 

// Apply the viewport to the page so it will be rendered.

this.Content = myViewport3D;

 

}

 

 

}

}

 

 

16 апреля 2014 г.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

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.Media3D;

using System.Windows.Media.Animation;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

 

namespace WpfApplication1

{

/// <summary>

/// Логика взаимодействия для MainWindow.xaml

/// </summary>

public partial class MainWindow: Window

{

public MainWindow()

{

InitializeComponent();

}

 

private void Window_Loaded(object sender, RoutedEventArgs e)

{

 

Viewport3D myViewport3D = new Viewport3D();

Model3DGroup myModel3DGroup = new Model3DGroup();

GeometryModel3D myGeometryModel = new GeometryModel3D();

ModelVisual3D myModelVisual3D = new ModelVisual3D();

 

//PerspectiveCamera myPCamera = new PerspectiveCamera();

//myPCamera.Position = new Point3D(0, 0, 1);

//myPCamera.LookDirection = new Vector3D(0, 0, -1);

 

OrthographicCamera myOCamera = new OrthographicCamera(new Point3D(0, 0, 1), new Vector3D(0, 0, -1), new Vector3D(0, 1, 0),8);

 

myViewport3D.Camera = myOCamera;

 

DirectionalLight myDirectionalLight = new DirectionalLight();

myDirectionalLight.Color = Colors.White;

myDirectionalLight.Direction = new Vector3D(-0, -0, -3);

 

myModel3DGroup.Children.Add(myDirectionalLight);

 

// The geometry specifes the shape of the 3D plane. In this sample, a flat sheet

// is created.

MeshGeometry3D myMeshGeometry3D = new MeshGeometry3D();

 

// Create a collection of normal vectors for the MeshGeometry3D.

Vector3DCollection myNormalCollection = new Vector3DCollection();

myNormalCollection.Add(new Vector3D(0, 0, 1));

myNormalCollection.Add(new Vector3D(0, 0, 1));

myNormalCollection.Add(new Vector3D(0, 0, 1));

myNormalCollection.Add(new Vector3D(0, 0, 1));

myNormalCollection.Add(new Vector3D(0, 0, 1));

myNormalCollection.Add(new Vector3D(0, 0, 1));

 

myMeshGeometry3D.Normals = myNormalCollection;

 

// Create a collection of vertex positions for the MeshGeometry3D.

Point3DCollection myPositionCollection = new Point3DCollection();

myPositionCollection.Add(new Point3D(0.0, 0.0, 0.0));

myPositionCollection.Add(new Point3D(3.0, 0.0, 0.0));

myPositionCollection.Add(new Point3D(3.0, 3.0, 0.0));

myPositionCollection.Add(new Point3D(3.0, 3.0, 0.0));

myPositionCollection.Add(new Point3D(0.0, 3.0, 0.0));

myPositionCollection.Add(new Point3D(0.0, 0.0, 0.0));

 

 

myMeshGeometry3D.Positions = myPositionCollection;

 

// Create a collection of triangle indices for the MeshGeometry3D.

Int32Collection myTriangleIndicesCollection = new Int32Collection();

myTriangleIndicesCollection.Add(0);

myTriangleIndicesCollection.Add(1);

myTriangleIndicesCollection.Add(2);

myTriangleIndicesCollection.Add(3);

myTriangleIndicesCollection.Add(4);

myTriangleIndicesCollection.Add(5);

 

myMeshGeometry3D.TextureCoordinates.Add(new Point(1, 0));

myMeshGeometry3D.TextureCoordinates.Add(new Point(1, 1));

myMeshGeometry3D.TextureCoordinates.Add(new Point(0, 1));

myMeshGeometry3D.TextureCoordinates.Add(new Point(0, 1));

myMeshGeometry3D.TextureCoordinates.Add(new Point(0, 0));

myMeshGeometry3D.TextureCoordinates.Add(new Point(1, 0));

 

myMeshGeometry3D.TriangleIndices = myTriangleIndicesCollection;

 

// Apply the mesh to the geometry model.

myGeometryModel.Geometry = myMeshGeometry3D;

 

BitmapImage bm1 = new BitmapImage();

bm1.BeginInit();

bm1.UriSource = new Uri("verona.jpg", UriKind.Relative);

bm1.EndInit();

 

ImageBrush imgBrush = new ImageBrush(bm1);

 

// Define material and apply to the mesh geometries.

DiffuseMaterial myMaterial = new DiffuseMaterial(imgBrush);

myGeometryModel.Material = myMaterial;

 

TranslateTransform3D myTranslateTransform3D = new TranslateTransform3D();

myModel3DGroup.Transform = myTranslateTransform3D;

DoubleAnimation xAnim = new DoubleAnimation();

xAnim.From = -1;

xAnim.To = 1;

xAnim.RepeatBehavior = new RepeatBehavior(200);

xAnim.Duration = TimeSpan.FromSeconds(4);

xAnim.AutoReverse = true;

myTranslateTransform3D.BeginAnimation(TranslateTransform3D.OffsetXProperty, xAnim);

 

myGeometryModel.Transform = myTranslateTransform3D;

// Add the geometry model to the model group.

myModel3DGroup.Children.Add(myGeometryModel);

 

// Add the group of models to the ModelVisual3d.

myModelVisual3D.Content = myModel3DGroup;

//

myViewport3D.Children.Add(myModelVisual3D);

// Apply the viewport to the page so it will be rendered.

this.Content = myViewport3D;

}

}

}