■ 3D 큐브 애니메이션을 만드는 방법을 보여준다.
▶ Trackball.cs
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using System.Collections.Generic; using System.Windows; using System.Windows.Input; using System.Windows.Controls; using System.Windows.Media.Media3D; namespace TestProject { /// <summary> /// 트랙볼 /// </summary> public class Trackball { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 뷰포트 리스트 /// </summary> private List<Viewport3D> viewportList; /// <summary> /// 이용 가능 여부 /// </summary> private bool enabled; /// <summary> /// 드래그 최초 포인트 /// </summary> private Point dragInitialPoint; /// <summary> /// 회전 쿼터니언 /// </summary> private Quaternion rotateQuaternion; /// <summary> /// 회전 여부 /// </summary> private bool isRotating; /// <summary> /// 스케일링 여부 /// </summary> private bool scaling; /// <summary> /// 회전 델타 쿼터니언 /// </summary> private Quaternion rotateDeltaQuaternion; /// <summary> /// 이동 델타 벡터 /// </summary> private Vector3D translateDeltaVector; /// <summary> /// 이동 벡터 /// </summary> private Vector3D translateVector; /// <summary> /// 스케일 /// </summary> private double scale; /// <summary> /// 스케일 델타 /// </summary> private double scaleDelta; /// <summary> /// 중심 여부 /// </summary> private bool isCentered; /// <summary> /// 중심 벡터 /// </summary> private Vector3D centerVector; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 뷰포트 리스트 - ViewportList /// <summary> /// 뷰포트 리스트 /// </summary> public List<Viewport3D> ViewportList { get { if(this.viewportList == null) { this.viewportList = new List<Viewport3D>(); } return this.viewportList; } set { this.viewportList = value; } } #endregion #region 이용 가능 여부 - Enabled /// <summary> /// 이용 가능 여부 /// </summary> public bool Enabled { get { return this.enabled && (this.viewportList != null) && (this.viewportList.Count > 0); } set { this.enabled = value; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Trackball() /// <summary> /// 생성자 /// </summary> public Trackball() { Reset(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 접착하기 - Attach(element) /// <summary> /// 접착하기 /// </summary> /// <param name="element">프레임워크 엘리먼트</param> public void Attach(FrameworkElement element) { element.MouseMove += element_MouseMove; element.MouseRightButtonDown += element_MouseRightButtonDown; element.MouseRightButtonUp += element_MouseRightButtonUp; element.MouseWheel += element_MouseWheel; } #endregion #region 탈착하기 - Detach(element) /// <summary> /// 탈착하기 /// </summary> /// <param name="element">프레임워크 엘리먼트</param> public void Detach(FrameworkElement element) { element.MouseMove -= element_MouseMove; element.MouseRightButtonDown -= element_MouseRightButtonDown; element.MouseRightButtonUp -= element_MouseRightButtonUp; element.MouseWheel -= element_MouseWheel; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 엘리먼트 마우스 이동시 처리하기 - element_MouseMove(sender, e) /// <summary> /// 엘리먼트 마우스 이동시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void element_MouseMove(object sender, MouseEventArgs e) { if(!Enabled) { return; } e.Handled = true; UIElement element = sender as UIElement; if(element.IsMouseCaptured) { Vector delta = this.dragInitialPoint - e.MouseDevice.GetPosition(element); Vector3D verctor = new Vector3D(); delta /= 2; Quaternion quaternion = this.rotateQuaternion; if(this.isRotating == true) { Vector3D mouseVector = new Vector3D(delta.X, -delta.Y, 0); Vector3D axisVector = Vector3D.CrossProduct(mouseVector, new Vector3D(0, 0, 1)); double axisVectorLength = axisVector.Length; if(axisVectorLength < 0.00001 || this.scaling) { this.rotateDeltaQuaternion = new Quaternion(new Vector3D(0, 0, 1), 0); } else { this.rotateDeltaQuaternion = new Quaternion(axisVector, axisVectorLength); } quaternion = this.rotateDeltaQuaternion * this.rotateQuaternion; } else { delta /= 20; this.translateDeltaVector.X = delta.X * -1; this.translateDeltaVector.Y = delta.Y; } verctor = this.translateVector + this.translateDeltaVector; UpdateViewportList(quaternion, this.scale * this.scaleDelta, verctor); } } #endregion #region 엘리먼트 마우스 오른쪽 버튼 DOWN 처리하기 - element_MouseRightButtonDown(sender, e) /// <summary> /// 엘리먼트 마우스 오른쪽 버튼 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void element_MouseRightButtonDown(object sender, MouseButtonEventArgs e) { if(!Enabled) { return; } e.Handled = true; if(Keyboard.IsKeyDown(Key.F1) == true) { Reset(); return; } UIElement element = sender as UIElement; this.dragInitialPoint = e.MouseDevice.GetPosition(element); if(!this.isCentered) { ProjectionCamera camera = (ProjectionCamera)this.viewportList[0].Camera; this.centerVector = camera.LookDirection; this.isCentered = true; } this.scaling = (e.MiddleButton == MouseButtonState.Pressed); if(Keyboard.IsKeyDown(Key.Space) == false) { this.isRotating = true; } else { this.isRotating = false; } element.CaptureMouse(); } #endregion #region 엘리먼트 마우스 오른쪽 버튼 UP 처리하기 - element_MouseRightButtonUp(sender, e) /// <summary> /// 엘리먼트 마우스 오른쪽 버튼 UP 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void element_MouseRightButtonUp(object sender, MouseButtonEventArgs e) { if(!this.enabled) { return; } e.Handled = true; if(this.isRotating == true) { this.rotateQuaternion = this.rotateDeltaQuaternion * this.rotateQuaternion; } else { this.translateVector += this.translateDeltaVector; this.translateDeltaVector.X = 0; this.translateDeltaVector.Y = 0; } UIElement element = sender as UIElement; element.ReleaseMouseCapture(); } #endregion #region 엘리먼트 마우스 휠 처리하기 - element_MouseWheel(sender, e) /// <summary> /// 엘리먼트 마우스 휠 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void element_MouseWheel(object sender, MouseWheelEventArgs e) { e.Handled = true; this.scaleDelta += (double)((double)e.Delta / (double)1000); Quaternion quaternion = this.rotateQuaternion; UpdateViewportList(quaternion, this.scale * this.scaleDelta, this.translateVector); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 뷰포트 리스트 업데이트하기 - UpdateViewportList(quaternion, scale, vector) /// <summary> /// 뷰포트 리스트 업데이트하기 /// </summary> /// <param name="quaternion">쿼터니언</param> /// <param name="scale">스케일</param> /// <param name="vector">벡터</param> private void UpdateViewportList(Quaternion quaternion, double scale, Vector3D vector) { if(this.viewportList != null) { foreach(Viewport3D viewport in this.viewportList) { ModelVisual3D modelVisual = viewport.Children[0] as ModelVisual3D; Transform3DGroup transformGroup = modelVisual.Transform as Transform3DGroup; ScaleTransform3D groupScaleTransform = transformGroup.Children[0] as ScaleTransform3D; RotateTransform3D groupRotateTransform = transformGroup.Children[1] as RotateTransform3D; TranslateTransform3D groupTranslateTransform = transformGroup.Children[2] as TranslateTransform3D; groupScaleTransform.ScaleX = scale; groupScaleTransform.ScaleY = scale; groupScaleTransform.ScaleZ = scale; groupRotateTransform.Rotation = new AxisAngleRotation3D(quaternion.Axis, quaternion.Angle); groupTranslateTransform.OffsetX = vector.X; groupTranslateTransform.OffsetY = vector.Y; groupTranslateTransform.OffsetZ = vector.Z; } } } #endregion #region 리셋하기 - Reset() /// <summary> /// 리셋하기 /// </summary> private void Reset() { this.rotateQuaternion = new Quaternion (0, 0, 0, 1); this.scale = 1; this.translateVector.X = 0; this.translateVector.Y = 0; this.translateVector.Z = 0; this.translateDeltaVector.X = 0; this.translateDeltaVector.Y = 0; this.translateDeltaVector.Z = 0; this.rotateDeltaQuaternion = Quaternion.Identity; this.scaleDelta = 1; UpdateViewportList(this.rotateQuaternion, this.scale, this.translateVector); } #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" Width="800" Height="600" Title="3D 큐브 애니메이션 만들기" FontFamily="나눔고딕코딩" FontSize="16"> <Window.Resources> <Storyboard x:Key="RotateStoryboardKey"> <ParallelTimeline Storyboard.TargetName="axisAngleRotation" Storyboard.TargetProperty="Angle" RepeatBehavior="Forever"> <DoubleAnimation From="0" To="360" Duration="0:0:30" /> </ParallelTimeline> </Storyboard> <MeshGeometry3D x:Key="CubeMeshKey" TriangleIndices="0 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" Normals="0 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0 -1 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0 -1 0 0" TextureCoordinates="1 0 1 1 0 1 0 1 0 0 1 0 0 0 1 0 1 1 1 1 0 1 0 0 0 0 1 0 1 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 1 0 1" 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 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" /> <Transform3DGroup x:Key="CubeMeshTransformKey1"> <Transform3DGroup.Children> <ScaleTransform3D ScaleX="10" ScaleY="10" ScaleZ="10" /> </Transform3DGroup.Children> </Transform3DGroup> <Transform3DGroup x:Key="CubeMeshTransformKey2"> <Transform3DGroup.Children> <ScaleTransform3D ScaleX="12" ScaleY="12" ScaleZ="12" /> </Transform3DGroup.Children> </Transform3DGroup> </Window.Resources> <Grid Background="Blue"> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <StackPanel> <Button Name="animateButton" Margin="10" Width="100" Height="30" Content="애니메이션" /> </StackPanel> <Viewport3D Name="viewport3D" Grid.Row="0" Grid.Column="1" Focusable="true" ClipToBounds="true"> <Viewport3D.Camera> <PerspectiveCamera Position="0 0 3.0" LookDirection="0 0 -1" UpDirection="0 1 0" NearPlaneDistance="0.25" FarPlaneDistance="20" FieldOfView="60" /> </Viewport3D.Camera> <ModelVisual3D> <ModelVisual3D.Transform> <Transform3DGroup> <Transform3DGroup.Children> <Transform3DCollection > <ScaleTransform3D ScaleX="1" ScaleY="1" ScaleZ="1" /> <RotateTransform3D> <RotateTransform3D.Rotation> <AxisAngleRotation3D Axis="0 1 0" Angle="0" /> </RotateTransform3D.Rotation> </RotateTransform3D> <TranslateTransform3D OffsetX="0" OffsetY="0" OffsetZ="0" /> </Transform3DCollection> </Transform3DGroup.Children> </Transform3DGroup> </ModelVisual3D.Transform> <ModelVisual3D.Content> <Model3DGroup > <Model3DGroup.Transform> <Transform3DGroup> <Transform3DGroup.Children> <Transform3DCollection > <ScaleTransform3D ScaleX="0.1" ScaleY="0.1" ScaleZ="0.1" /> <RotateTransform3D> <RotateTransform3D.Rotation> <AxisAngleRotation3D Axis="0 1 0" Angle="0" /> </RotateTransform3D.Rotation> </RotateTransform3D> <TranslateTransform3D OffsetX="0" OffsetY="0" OffsetZ="0" /> </Transform3DCollection> </Transform3DGroup.Children> </Transform3DGroup> </Model3DGroup.Transform> <Model3DGroup.Children> <Model3DGroup > <Model3DGroup.Transform> <Transform3DGroup> <Transform3DGroup.Children> <Transform3DCollection > <ScaleTransform3D ScaleX="1" ScaleY="1" ScaleZ="1" /> <RotateTransform3D > <RotateTransform3D.Rotation > <AxisAngleRotation3D x:Name="axisAngleRotation" Axis="1 0 0" Angle="0" /> </RotateTransform3D.Rotation> </RotateTransform3D> <TranslateTransform3D OffsetX="0" OffsetY="0" OffsetZ="0" /> </Transform3DCollection> </Transform3DGroup.Children> </Transform3DGroup> </Model3DGroup.Transform> <Model3DGroup.Children> <GeometryModel3D Transform="{StaticResource CubeMeshTransformKey1}" Geometry="{StaticResource CubeMeshKey}"> <GeometryModel3D.Material> <MaterialGroup> <MaterialGroup.Children> <EmissiveMaterial> <EmissiveMaterial.Brush> <ImageBrush ImageSource="Image\roundcornersheet.png"> <ImageBrush.Transform> <TransformGroup> <TransformGroup.Children> <RotateTransform CenterX="0.5" CenterY="0.5" Angle="0" /> </TransformGroup.Children> </TransformGroup> </ImageBrush.Transform> </ImageBrush> </EmissiveMaterial.Brush> </EmissiveMaterial> </MaterialGroup.Children> </MaterialGroup> </GeometryModel3D.Material> <GeometryModel3D.BackMaterial> <MaterialGroup> <MaterialGroup.Children> <EmissiveMaterial> <EmissiveMaterial.Brush> <ImageBrush ImageSource="Image\roundcornersheet.png"> <ImageBrush.Transform> <TransformGroup> <TransformGroup.Children> <RotateTransform CenterX="0.5" CenterY="0.5" Angle="0" /> </TransformGroup.Children> </TransformGroup> </ImageBrush.Transform> </ImageBrush> </EmissiveMaterial.Brush> </EmissiveMaterial> </MaterialGroup.Children> </MaterialGroup> </GeometryModel3D.BackMaterial> </GeometryModel3D> <GeometryModel3D Transform="{StaticResource CubeMeshTransformKey2}" Geometry="{StaticResource CubeMeshKey}"> <GeometryModel3D.Material> <MaterialGroup> <MaterialGroup.Children> <EmissiveMaterial> <EmissiveMaterial.Brush> <ImageBrush ImageSource="Image\roundcornersheet.png"> <ImageBrush.Transform> <TransformGroup> <TransformGroup.Children> <RotateTransform CenterX="0.5" CenterY="0.5" Angle="0" /> </TransformGroup.Children> </TransformGroup> </ImageBrush.Transform> </ImageBrush> </EmissiveMaterial.Brush> </EmissiveMaterial> </MaterialGroup.Children> </MaterialGroup> </GeometryModel3D.Material> <GeometryModel3D.BackMaterial> <MaterialGroup> <MaterialGroup.Children> <EmissiveMaterial> <EmissiveMaterial.Brush> <ImageBrush ImageSource="Image\roundcornersheet.png"> <ImageBrush.Transform> <TransformGroup> <TransformGroup.Children> <RotateTransform CenterX="0.5" CenterY="0.5" Angle="0" /> </TransformGroup.Children> </TransformGroup> </ImageBrush.Transform> </ImageBrush> </EmissiveMaterial.Brush> </EmissiveMaterial> </MaterialGroup.Children> </MaterialGroup> </GeometryModel3D.BackMaterial> </GeometryModel3D> </Model3DGroup.Children> </Model3DGroup> <Model3DGroup> <Model3DGroup.Children> <AmbientLight Color="#ffcccccc" /> <DirectionalLight Color="LightGray" Direction="-1 -1 -1" /> </Model3DGroup.Children> </Model3DGroup> </Model3DGroup.Children> </Model3DGroup> </ModelVisual3D.Content> </ModelVisual3D> </Viewport3D> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Windows; using System.Windows.Media.Animation; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 트랙 볼 /// </summary> private Trackball trackball; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); Loaded += Window_Loaded; this.animateButton.Click += animateButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 윈도우 로드시 처리하기 - Window_Loaded(sender, e) /// <summary> /// 윈도우 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_Loaded(object sender, EventArgs e) { this.trackball = new Trackball(); this.trackball.Attach(this); this.trackball.ViewportList.Add(this.viewport3D); this.trackball.Enabled = true; } #endregion #region 애니메이션 버튼 클릭시 처리하기 - animateButton_Click(sender, e) /// <summary> /// 애니메이션 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void animateButton_Click(object sender, RoutedEventArgs e) { Storyboard storyboard = (Storyboard)FindResource("RotateStoryboardKey"); BeginStoryboard(storyboard); } #endregion } } |
