[C#/WPF] 코드로 삼각형 3D 만들기

■ 코드로 삼각형을 3D로 만드는 방법을 보여준다.

▶ MainWindow.cs


using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Media;
using System.Windows.Media.Media3D;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 투시도법 카메라
        /// </summary>
        private PerspectiveCamera perspectiveCamera;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            #region 스크롤바를 설정합니다.

            ScrollBar scrollBar = new ScrollBar();

            scrollBar.Orientation = Orientation.Horizontal;
            scrollBar.Value       = -2;
            scrollBar.Minimum     = -2;
            scrollBar.Maximum     = 2;

            scrollBar.ValueChanged += scrollBar_ValueChanged;

            #endregion
            #region 삼각형 MeshGeometry3D를 설정합니다.

            MeshGeometry3D triangleMeshGeometry3D = new MeshGeometry3D();

            triangleMeshGeometry3D.Positions.Add(new Point3D(0, 0,  0));
            triangleMeshGeometry3D.Positions.Add(new Point3D(0, 1, -1));
            triangleMeshGeometry3D.Positions.Add(new Point3D(0, 0, -2));

            triangleMeshGeometry3D.TriangleIndices = new Int32Collection(new int[] { 0, 1, 2 });

            #endregion
            #region 삼각형 GeometryModel3D를 설정합니다.

            GeometryModel3D triangleGeometryModel3D = new GeometryModel3D();

            triangleGeometryModel3D.Geometry     = triangleMeshGeometry3D;
            triangleGeometryModel3D.Material     = new DiffuseMaterial(Brushes.Blue);
            triangleGeometryModel3D.BackMaterial = new DiffuseMaterial(Brushes.Red );

            #endregion
            #region 삼각형 ModelVisual3D를 설정합니다.

            ModelVisual3D triangleModelVisual3D = new ModelVisual3D();

            triangleModelVisual3D.Content = triangleGeometryModel3D;

            #endregion
            #region 환경광을 설정합니다.

            AmbientLight ambientLight = new AmbientLight(Colors.White);

            #endregion
            #region 환경광 ModelVisual3D를 설정합니다.

            ModelVisual3D lightModelVisual3D = new ModelVisual3D();

            lightModelVisual3D.Content = ambientLight;

            #endregion
            #region 투시도법 카메라를 설정합니다.

            this.perspectiveCamera = new PerspectiveCamera(new Point3D(-2, 0, 5), new Vector3D(0, 0, -1), new Vector3D(0, 1, 0), 45);

            #endregion
            #region Viewport3D를 설정합니다.

            Viewport3D viewport3D = new Viewport3D();

            viewport3D.Camera = this.perspectiveCamera;

            viewport3D.Children.Add(triangleModelVisual3D);
            viewport3D.Children.Add(lightModelVisual3D);

            #endregion
            #region 도킹 패널을 설정합니다.

            DockPanel dockPanel = new DockPanel();

            dockPanel.Children.Add(scrollBar);

            DockPanel.SetDock(scrollBar, Dock.Bottom);

            dockPanel.Children.Add(viewport3D);

            Content = dockPanel;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 스크롤바 값 변경시 처리하기 - scrollBar_ValueChanged(sender, e)

        /// <summary>
        /// 스크롤바 값 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void scrollBar_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
        {
            this.perspectiveCamera.Position = new Point3D(e.NewValue, 0, 5);
        }

        #endregion
    }
}

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using System.Windows;

using System.Windows.Controls;

using System.Windows.Controls.Primitives;

using System.Windows.Media;

using System.Windows.Media.Media3D;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 투시도법 카메라

/// </summary>

private PerspectiveCamera perspectiveCamera;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

#region 스크롤바를 설정합니다.

ScrollBar scrollBar = new ScrollBar();

scrollBar.Orientation = Orientation.Horizontal;

scrollBar.Value = -2;

scrollBar.Minimum = -2;

scrollBar.Maximum = 2;

scrollBar.ValueChanged += scrollBar_ValueChanged;

#endregion

#region 삼각형 MeshGeometry3D를 설정합니다.

MeshGeometry3D triangleMeshGeometry3D = new MeshGeometry3D();

triangleMeshGeometry3D.Positions.Add(new Point3D(0, 0, 0));

triangleMeshGeometry3D.Positions.Add(new Point3D(0, 1, -1));

triangleMeshGeometry3D.Positions.Add(new Point3D(0, 0, -2));

triangleMeshGeometry3D.TriangleIndices = new Int32Collection(new int[] { 0, 1, 2 });

#endregion

#region 삼각형 GeometryModel3D를 설정합니다.

GeometryModel3D triangleGeometryModel3D = new GeometryModel3D();

triangleGeometryModel3D.Geometry = triangleMeshGeometry3D;

triangleGeometryModel3D.Material = new DiffuseMaterial(Brushes.Blue);

triangleGeometryModel3D.BackMaterial = new DiffuseMaterial(Brushes.Red );

#endregion

#region 삼각형 ModelVisual3D를 설정합니다.

ModelVisual3D triangleModelVisual3D = new ModelVisual3D();

triangleModelVisual3D.Content = triangleGeometryModel3D;

#endregion

#region 환경광을 설정합니다.

AmbientLight ambientLight = new AmbientLight(Colors.White);

#endregion

#region 환경광 ModelVisual3D를 설정합니다.

ModelVisual3D lightModelVisual3D = new ModelVisual3D();

lightModelVisual3D.Content = ambientLight;

#endregion

#region 투시도법 카메라를 설정합니다.

this.perspectiveCamera = new PerspectiveCamera(new Point3D(-2, 0, 5), new Vector3D(0, 0, -1), new Vector3D(0, 1, 0), 45);

#endregion

#region Viewport3D를 설정합니다.

Viewport3D viewport3D = new Viewport3D();

viewport3D.Camera = this.perspectiveCamera;

viewport3D.Children.Add(triangleModelVisual3D);

viewport3D.Children.Add(lightModelVisual3D);

#endregion

#region 도킹 패널을 설정합니다.

DockPanel dockPanel = new DockPanel();

dockPanel.Children.Add(scrollBar);

DockPanel.SetDock(scrollBar, Dock.Bottom);

dockPanel.Children.Add(viewport3D);

Content = dockPanel;

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 스크롤바 값 변경시 처리하기 - scrollBar_ValueChanged(sender, e)

/// <summary>

/// 스크롤바 값 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void scrollBar_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)

{

this.perspectiveCamera.Position = new Point3D(e.NewValue, 0, 5);

}

#endregion

}

TestProject.zip