■ VisualTreeHelper 클래스의 HitTest 정적 메소드를 사용해 3D 객체의 히트 테스트를 하는 방법을 보여준다.
▶ MainWindow.xaml
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 |
<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="VisualTreeHelper 클래스 : HitTest 정적 메소드를 사용해 히트 테스트하기" Width="800" Height="600"> <Window.Resources> <!-- 단위 큐브 : 전면, 후면, 왼쪽 면, 오른쪽 면, 위쪽 면, 아래쪽 면 --> <MeshGeometry3D x:Key="CubeMeshGeometry3DKey" Positions="-0.5 0.5 0.5, 0.5 0.5 0.5, -0.5 -0.5 0.5, 0.5 -0.5 0.5, 0.5 0.5 -0.5, -0.5 0.5 -0.5, 0.5 -0.5 -0.5, -0.5 -0.5 -0.5, -0.5 0.5 -0.5, -0.5 0.5 0.5, -0.5 -0.5 -0.5, -0.5 -0.5 0.5, 0.5 0.5 0.5, 0.5 0.5 -0.5, 0.5 -0.5 0.5, 0.5 -0.5 -0.5, -0.5 0.5 -0.5, 0.5 0.5 -0.5, -0.5 0.5 0.5, 0.5 0.5 0.5, 0.5 -0.5 -0.5, -0.5 -0.5 -0.5, 0.5 -0.5 0.5, -0.5 -0.5 0.5" TriangleIndices=" 0 2 1, 1 2 3 4 6 5, 5 6 7, 8 10 9, 9 10 11, 12 14 13, 13 14 15 16 18 17, 17 18 19 20 22 21, 21 22 23" /> <DiffuseMaterial x:Key="WoodDiffuseMaterialKey" Brush="BurlyWood" /> <!-- 테이블 다리 --> <GeometryModel3D x:Key="TableLegGeometryModel3DKey" Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <ScaleTransform3D CenterY="-1" ScaleX="0.1" ScaleY="2" ScaleZ="0.1" /> </GeometryModel3D.Transform> </GeometryModel3D> <!-- 테이블 --> <Model3DGroup x:Key="TableModel3DGroupKey"> <!-- 테이블 다리 4개 --> <Model3DGroup> <StaticResource ResourceKey="TableLegGeometryModel3DKey" /> <Model3DGroup.Transform> <TranslateTransform3D OffsetX="-1" OffsetZ="-1" /> </Model3DGroup.Transform> </Model3DGroup> <Model3DGroup> <StaticResource ResourceKey="TableLegGeometryModel3DKey" /> <Model3DGroup.Transform> <TranslateTransform3D OffsetX="1" OffsetZ="-1" /> </Model3DGroup.Transform> </Model3DGroup> <Model3DGroup> <StaticResource ResourceKey="TableLegGeometryModel3DKey" /> <Model3DGroup.Transform> <TranslateTransform3D OffsetX="-1" OffsetZ="1" /> </Model3DGroup.Transform> </Model3DGroup> <Model3DGroup> <StaticResource ResourceKey="TableLegGeometryModel3DKey" /> <Model3DGroup.Transform> <TranslateTransform3D OffsetX="1" OffsetZ="1" /> </Model3DGroup.Transform> </Model3DGroup> <!-- 테이블 위쪽 --> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="2.5" ScaleZ="2.5" ScaleY="0.1" /> <TranslateTransform3D OffsetY="2.05" /> </Transform3DGroup> </GeometryModel3D.Transform> </GeometryModel3D> </Model3DGroup> <!-- 의자 --> <Model3DGroup x:Key="ChairModel3DGroupKey"> <!-- 전면 오른쪽 다리 --> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="0.1" ScaleY="1.5" ScaleZ="0.1" /> <TranslateTransform3D OffsetX="0.5" OffsetY="0.75" OffsetZ="0.5" /> </Transform3DGroup> </GeometryModel3D.Transform> </GeometryModel3D> <!-- 전면 왼쪽 다리 --> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="0.1" ScaleY="1.5" ScaleZ="0.1" /> <TranslateTransform3D OffsetX="-0.5" OffsetY="0.75" OffsetZ="0.5" /> </Transform3DGroup> </GeometryModel3D.Transform> </GeometryModel3D> <!-- 후면 오른쪽 다리 --> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="0.1" ScaleY="3.0" ScaleZ="0.1" /> <TranslateTransform3D OffsetX="0.5" OffsetY="1.5" OffsetZ="-0.5" /> </Transform3DGroup> </GeometryModel3D.Transform> </GeometryModel3D> <!-- 후면 왼쪽 다리 --> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="0.1" ScaleY="3.0" ScaleZ="0.1" /> <TranslateTransform3D OffsetX="-0.5" OffsetY="1.5" OffsetZ="-0.5" /> </Transform3DGroup> </GeometryModel3D.Transform> </GeometryModel3D> <!-- 의자 시트 --> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="1.25" ScaleY="0.1" ScaleZ="1.25" /> <TranslateTransform3D OffsetY="1.55" /> </Transform3DGroup> </GeometryModel3D.Transform> </GeometryModel3D> <!-- 등받이 --> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}" Material="{StaticResource WoodDiffuseMaterialKey}"> <GeometryModel3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="0.9" ScaleY="0.25" ScaleZ="0.1" /> <TranslateTransform3D OffsetZ="-0.5" OffsetY="2.75" /> </Transform3DGroup> </GeometryModel3D.Transform> </GeometryModel3D> </Model3DGroup> </Window.Resources> <Viewport3D Name="viewport3d"> <!-- 녹색 리놀륨 바닥 --> <ModelVisual3D x:Name="floorModelVisual3D"> <ModelVisual3D.Content> <GeometryModel3D Geometry="{StaticResource CubeMeshGeometry3DKey}"> <GeometryModel3D.Material> <DiffuseMaterial Brush="Lime" /> </GeometryModel3D.Material> </GeometryModel3D> </ModelVisual3D.Content> <ModelVisual3D.Transform> <Transform3DGroup> <ScaleTransform3D ScaleX="8" ScaleY="0.1" ScaleZ="8" /> <TranslateTransform3D OffsetY="-0.05" /> </Transform3DGroup> </ModelVisual3D.Transform> </ModelVisual3D> <!-- 테이블 --> <ModelVisual3D x:Name="tableModelVisual3D" Content="{StaticResource TableModel3DGroupKey}"> <ModelVisual3D.Transform> <Transform3DGroup> <TranslateTransform3D x:Name="tableTranslateTransform3D" /> <RotateTransform3D> <RotateTransform3D.Rotation> <AxisAngleRotation3D x:Name="tableAxisAngleRotation3D" /> </RotateTransform3D.Rotation> </RotateTransform3D> </Transform3DGroup> </ModelVisual3D.Transform> </ModelVisual3D> <!-- 4개 의자 --> <ModelVisual3D x:Name="charModelVisual3D1" Content="{StaticResource ChairModel3DGroupKey}"> <ModelVisual3D.Transform> <Transform3DGroup> <RotateTransform3D> <RotateTransform3D.Rotation> <AxisAngleRotation3D Angle="-90" /> </RotateTransform3D.Rotation> </RotateTransform3D> <TranslateTransform3D OffsetX="2.5" /> </Transform3DGroup> </ModelVisual3D.Transform> </ModelVisual3D> <ModelVisual3D x:Name="charModelVisual3D2" Content="{StaticResource ChairModel3DGroupKey}"> <ModelVisual3D.Transform> <Transform3DGroup> <RotateTransform3D> <RotateTransform3D.Rotation> <AxisAngleRotation3D Angle="180" /> </RotateTransform3D.Rotation> </RotateTransform3D> <TranslateTransform3D OffsetZ="2.5" /> </Transform3DGroup> </ModelVisual3D.Transform> </ModelVisual3D> <ModelVisual3D x:Name="charModelVisual3D3" Content="{StaticResource ChairModel3DGroupKey}"> <ModelVisual3D.Transform> <Transform3DGroup> <RotateTransform3D> <RotateTransform3D.Rotation> <AxisAngleRotation3D Angle="90" /> </RotateTransform3D.Rotation> </RotateTransform3D> <TranslateTransform3D OffsetX="-2.5" /> </Transform3DGroup> </ModelVisual3D.Transform> </ModelVisual3D> <ModelVisual3D x:Name="charModelVisual3D4" Content="{StaticResource ChairModel3DGroupKey}"> <ModelVisual3D.Transform> <Transform3DGroup> <RotateTransform3D> <RotateTransform3D.Rotation> <AxisAngleRotation3D Angle="0" /> </RotateTransform3D.Rotation> </RotateTransform3D> <TranslateTransform3D OffsetZ="-2.5" /> </Transform3DGroup> </ModelVisual3D.Transform> </ModelVisual3D> <!-- 조명 --> <ModelVisual3D> <ModelVisual3D.Content> <Model3DGroup> <AmbientLight Color="#404040" /> <DirectionalLight Color="#c0c0c0" Direction="2, -3 -1" /> </Model3DGroup> </ModelVisual3D.Content> </ModelVisual3D> <!-- 카메라 --> <Viewport3D.Camera> <PerspectiveCamera Position="3 4 12" LookDirection="-1.5 -1.5 -5" UpDirection="0 1 0" FieldOfView="45" /> </Viewport3D.Camera> </Viewport3D> </Window> |
▶ MainWindow.xaml.cs
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 |
using System; using System.Windows; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Media.Media3D; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 마우스 DOWN 처리하기 - OnMouseDown(e) /// <summary> /// 마우스 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseDown(MouseButtonEventArgs e) { Point mousePoint = e.GetPosition(this.viewport3d); VisualTreeHelper.HitTest(this.viewport3d, null, HitTestFilter, new PointHitTestParameters(mousePoint)); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 히트 테스트 필터 처리하기 - HitTestFilter(hitTestResult) /// <summary> /// 히트 테스트 필터 처리하기 /// </summary> /// <param name="hitTestResult">히트 테스트 결과</param> /// <returns>히트 테스트 결과 비헤이비어</returns> private HitTestResultBehavior HitTestFilter(HitTestResult hitTestResult) { RayMeshGeometry3DHitTestResult rayMeshGeometry3DHitTestResult = hitTestResult as RayMeshGeometry3DHitTestResult; if(rayMeshGeometry3DHitTestResult == null) { return HitTestResultBehavior.Continue; } ModelVisual3D modelVisual3D = rayMeshGeometry3DHitTestResult.VisualHit as ModelVisual3D; if(modelVisual3D == null) { return HitTestResultBehavior.Continue; } if(modelVisual3D == this.floorModelVisual3D) { GeometryModel3D geometryModel3D = rayMeshGeometry3DHitTestResult.ModelHit as GeometryModel3D; DiffuseMaterial diffuseMaterial = geometryModel3D.Material as DiffuseMaterial; Random random = new Random(); diffuseMaterial.Brush = new SolidColorBrush ( Color.FromRgb ( (byte)random.Next(256), (byte)random.Next(256), (byte)random.Next(256) ) ); return HitTestResultBehavior.Stop; } if(modelVisual3D == this.tableModelVisual3D) { Storyboard storyboard = new Storyboard(); DoubleAnimation doubleAnimation; #region 테이블을 위로 이동시키는 애니메이션을 정의한다. doubleAnimation = new DoubleAnimation(); doubleAnimation.From = 0; doubleAnimation.To = 2; Storyboard.SetTargetName(doubleAnimation, "tableTranslateTransform3D"); Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath(TranslateTransform3D.OffsetYProperty)); storyboard.Children.Add(doubleAnimation); #endregion #region 테이블을 회전시키는 애니메이션을 정의한다. doubleAnimation = new DoubleAnimation(); doubleAnimation.From = 0; doubleAnimation.To = 90; doubleAnimation.BeginTime = TimeSpan.FromSeconds(1); Storyboard.SetTargetName(doubleAnimation, "tableAxisAngleRotation3D"); Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath(AxisAngleRotation3D.AngleProperty)); storyboard.Children.Add(doubleAnimation); #endregion #region 테이블을 아래로 이동시키는 애니메이션을 정의한다. doubleAnimation = new DoubleAnimation(); doubleAnimation.From = 2; doubleAnimation.To = 0; doubleAnimation.BeginTime = TimeSpan.FromSeconds(2); Storyboard.SetTargetName(doubleAnimation, "tableTranslateTransform3D"); Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath(TranslateTransform3D.OffsetYProperty)); storyboard.Children.Add(doubleAnimation); #endregion storyboard.Begin(this); return HitTestResultBehavior.Stop; } if(modelVisual3D == this.charModelVisual3D1 || modelVisual3D == this.charModelVisual3D2 || modelVisual3D == this.charModelVisual3D3 || modelVisual3D == this.charModelVisual3D4) { Transform3DGroup transform3DGroup = modelVisual3D.Transform as Transform3DGroup; if(transform3DGroup == null) { return HitTestResultBehavior.Stop; } for(int i = 0; i < transform3DGroup.Children.Count; i++) { TranslateTransform3D translateTransform3D = transform3DGroup.Children[i] as TranslateTransform3D; if(translateTransform3D != null) { DoubleAnimation doubleAnimation = new DoubleAnimation(); DependencyProperty dependencyProperty = null; if(translateTransform3D.OffsetZ == 0) { dependencyProperty = TranslateTransform3D.OffsetXProperty; if(Math.Abs(translateTransform3D.OffsetX) < 2) { doubleAnimation.To = 2.5 * Math.Sign(translateTransform3D.OffsetX); } else { doubleAnimation.To = 1.25 * Math.Sign(translateTransform3D.OffsetX); } } else { dependencyProperty = TranslateTransform3D.OffsetZProperty; if(Math.Abs(translateTransform3D.OffsetZ) < 2) { doubleAnimation.To = 2.5 * Math.Sign(translateTransform3D.OffsetZ); } else { doubleAnimation.To = 1.25 * Math.Sign(translateTransform3D.OffsetZ); } } translateTransform3D.BeginAnimation(dependencyProperty, doubleAnimation); return HitTestResultBehavior.Stop; } } } return HitTestResultBehavior.Continue; } #endregion } } |
