■ MeshGeometry3D 클래스에서 리소스를 사용하는 방법을 보여준다.
▶ SphereMeshGenerator.cs
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using System; using System.Windows; using System.Windows.Markup; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Media.Media3D; namespace TestProject { /// <summary> /// 구체 메쉬 생성자 /// </summary> [RuntimeNameProperty("Name")] public class SphereMeshGenerator : Animatable { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 도형 키 /// </summary> private static readonly DependencyPropertyKey GeometryKey = DependencyProperty.RegisterReadOnly ( "Geometry", typeof(MeshGeometry3D), typeof(SphereMeshGenerator), new PropertyMetadata(new MeshGeometry3D()) ); #endregion //////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 명칭 속성 /// </summary> public static readonly DependencyProperty NameProperty = DependencyProperty.Register ( "Name", typeof(string), typeof(SphereMeshGenerator) ); /// <summary> /// 중심점 속성 /// </summary> public static readonly DependencyProperty CenterPointProperty = DependencyProperty.Register ( "CenterPoint", typeof(Point3D), typeof(SphereMeshGenerator), new PropertyMetadata(new Point3D(), PropertyChangedCallback) ); /// <summary> /// 반경 속성 /// </summary> public static readonly DependencyProperty RadiusProperty = DependencyProperty.Register ( "Radius", typeof(double), typeof(SphereMeshGenerator), new PropertyMetadata(1.0, PropertyChangedCallback) ); /// <summary> /// 슬라이스 수 속성 /// </summary> public static readonly DependencyProperty SliceCountProperty = DependencyProperty.Register ( "SliceCount", typeof(int), typeof(SphereMeshGenerator), new PropertyMetadata(32, PropertyChangedCallback) ); /// <summary> /// 스택 수 속성 /// </summary> public static readonly DependencyProperty StackCountProperty = DependencyProperty.Register ( "StackCount", typeof(int), typeof(SphereMeshGenerator), new PropertyMetadata(16, PropertyChangedCallback) ); /// <summary> /// 도형 속성 /// </summary> public static readonly DependencyProperty GeometryProperty = GeometryKey.DependencyProperty; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 명칭 - Name /// <summary> /// 명칭 /// </summary> public string Name { set { SetValue(NameProperty, value); } get { return (string)GetValue(NameProperty); } } #endregion #region 중심점 - CenterPoint /// <summary> /// 중심점 /// </summary> public Point3D CenterPoint { set { SetValue(CenterPointProperty, value); } get { return (Point3D)GetValue(CenterPointProperty); } } #endregion #region 반경 - Radius /// <summary> /// 반경 /// </summary> public double Radius { set { SetValue(RadiusProperty, value); } get { return (double)GetValue(RadiusProperty); } } #endregion #region 슬라이스 수 - SliceCount /// <summary> /// 슬라이스 수 /// </summary> public int SliceCount { set { SetValue(SliceCountProperty, value); } get { return (int)GetValue(SliceCountProperty); } } #endregion #region 스택 수 - StackCount /// <summary> /// 스택 수 /// </summary> public int StackCount { set { SetValue(StackCountProperty, value); } get { return (int)GetValue(StackCountProperty); } } #endregion #region 도형 - Geometry /// <summary> /// 도형 /// </summary> public MeshGeometry3D Geometry { protected set { SetValue(GeometryKey, value); } get { return (MeshGeometry3D)GetValue(GeometryProperty); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - SphereMeshGenerator() /// <summary> /// 생성자 /// </summary> public SphereMeshGenerator() { Geometry = Geometry.Clone(); PropertyChanged(new DependencyPropertyChangedEventArgs()); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 속성 변경시 콜백 처리하기 - PropertyChangedCallback(d, e) /// <summary> /// 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void PropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { (d as SphereMeshGenerator).PropertyChanged(e); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Protected #region 인스턴스 생성하기 (CORE) - CreateInstanceCore() /// <summary> /// 인스턴스 생성하기 (CORE) /// </summary> /// <returns>Freezable 객체</returns> protected override Freezable CreateInstanceCore() { return new SphereMeshGenerator(); } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 속성 변경시 처리하기 - PropertyChanged(e) /// <summary> /// 속성 변경시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> private void PropertyChanged(DependencyPropertyChangedEventArgs e) { MeshGeometry3D mesh = Geometry; Point3DCollection positionCollection = mesh.Positions; Vector3DCollection normalCollection = mesh.Normals; Int32Collection indexCollection = mesh.TriangleIndices; PointCollection textureCollection = mesh.TextureCoordinates; mesh.Positions = null; mesh.Normals = null; mesh.TriangleIndices = null; mesh.TextureCoordinates = null; positionCollection.Clear(); normalCollection.Clear(); indexCollection.Clear(); textureCollection.Clear(); for(int stack = 0; stack <= StackCount; stack++) { double phi = Math.PI / 2 - stack * Math.PI / StackCount; double y = Radius * Math.Sin(phi); double scale = -Radius * Math.Cos(phi); for(int slice = 0; slice <= SliceCount; slice++) { double theta = slice * 2 * Math.PI / SliceCount; double x = scale * Math.Sin(theta); double z = scale * Math.Cos(theta); Vector3D normalVector = new Vector3D(x, y, z); normalCollection.Add(normalVector); positionCollection.Add(normalVector + CenterPoint); textureCollection.Add(new Point((double)slice / SliceCount, (double)stack / StackCount)); } } for(int stack = 0; stack < StackCount; stack++) { int top = (stack + 0) * (SliceCount + 1); int bottom = (stack + 1) * (SliceCount + 1); for(int slice = 0; slice < SliceCount; slice++) { if(stack != 0) { indexCollection.Add(top + slice ); indexCollection.Add(bottom + slice ); indexCollection.Add(top + slice + 1); } if(stack != StackCount - 1) { indexCollection.Add(top + slice + 1); indexCollection.Add(bottom + slice ); indexCollection.Add(bottom + slice + 1); } } } mesh.TextureCoordinates = textureCollection; mesh.TriangleIndices = indexCollection; mesh.Normals = normalCollection; mesh.Positions = positionCollection; } #endregion } } |
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:TestProject" Width="800" Height="600" Title="MeshGeometry3D 클래스 : 리소스 사용하기" FontFamily="나눔고딕코딩" FontSize="16"> <Window.Resources> <local:SphereMeshGenerator x:Key="SphereMeshGeneratorKey1" x:Name="sphereMeshGenerator1" CenterPoint="-0.25 0 0" /> <local:SphereMeshGenerator x:Key="SphereMeshGeneratorKey2" x:Name="sphereMeshGenerator2" CenterPoint="0.25 0 0" /> </Window.Resources> <Viewport3D> <ModelVisual3D> <ModelVisual3D.Content> <Model3DGroup> <GeometryModel3D Geometry="{Binding Source={StaticResource SphereMeshGeneratorKey1}, Path=Geometry}"> <GeometryModel3D.Material> <DiffuseMaterial Brush="RoyalBlue" /> </GeometryModel3D.Material> </GeometryModel3D> <GeometryModel3D Geometry="{Binding Source={StaticResource SphereMeshGeneratorKey2}, Path=Geometry}"> <GeometryModel3D.Material> <DiffuseMaterial Brush="Red" /> </GeometryModel3D.Material> </GeometryModel3D> <AmbientLight Color="#404040" /> <DirectionalLight Color="#c0c0c0" Direction="2 -3 -1" /> </Model3DGroup> </ModelVisual3D.Content> </ModelVisual3D> <Viewport3D.Camera> <PerspectiveCamera Position="0 0 4" LookDirection="0 0 -1" UpDirection="0 1 0" FieldOfView="45" /> </Viewport3D.Camera> </Viewport3D> <Window.Triggers> <EventTrigger RoutedEvent="Window.Loaded"> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetName="sphereMeshGenerator1" Storyboard.TargetProperty="Radius" From="0" To="0.5" Duration="0:0:3" AutoReverse="True" RepeatBehavior="Forever" /> <DoubleAnimation Storyboard.TargetName="sphereMeshGenerator2" Storyboard.TargetProperty="Radius" From="0.5" To="0" Duration="0:0:3" AutoReverse="True" RepeatBehavior="Forever" /> </Storyboard> </BeginStoryboard> </EventTrigger> </Window.Triggers> </Window> |
※ 리소스에서 Name 또는 x:Name 속성의 사용이 닷넷 프레임워크 3.5 버전까지만 에러없이 실행된다.
