MeshGeometry3D - класс 4 страницаmyAxisAngleRotation3d.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; } } }
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