Point light : 3D « Windows Presentation Foundation « C# / C Sharp






Point light

Point light
  

<Window  x:Class="WpfApplication1.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="" Height="300" Width="300" Loaded="Window1_Loaded">
    <Window.Resources>
        <MeshGeometry3D x:Key="triangleMesh" Positions="-1,-1,0 1,-1,-2 1,1,0" TriangleIndices="0 1 2" />
    </Window.Resources>
    <UniformGrid>
        <Viewport3D x:Name="vp1">
            <Viewport3D.Camera>
                <PerspectiveCamera LookDirection="0,0,-1" Position="0,0,5" />
            </Viewport3D.Camera>
            <ModelVisual3D>
                <ModelVisual3D.Content>
                    <PointLight Position="0,-1,1" Color="White" />
                </ModelVisual3D.Content>
            </ModelVisual3D>
        </Viewport3D>


    </UniformGrid>
</Window>

//File:Window.xaml.cs
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Media3D;

namespace WpfApplication1
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }
        private void Window1_Loaded(object sender, RoutedEventArgs e)
        {
            MeshGeometry3D triangleMesh = (MeshGeometry3D)TryFindResource("triangleMesh");
            CreateTriangles(vp1, 4, triangleMesh);
        }

        private void CreateTriangles(Viewport3D viewport3D,int triangleCount, MeshGeometry3D triangleMesh)
        {
                ModelVisual3D modelVisual3D = new ModelVisual3D();
                GeometryModel3D geometryModel3D = new GeometryModel3D();
                geometryModel3D.Geometry = triangleMesh;
                geometryModel3D.Material= new DiffuseMaterial(Brushes.Firebrick);
                modelVisual3D.Content = geometryModel3D;
                RotateTransform3D rotateTransform = new RotateTransform3D();
                rotateTransform.Rotation = new AxisAngleRotation3D(new Vector3D(0, 0, -1), 20);
                modelVisual3D.Transform = rotateTransform;
                viewport3D.Children.Add(modelVisual3D);
        }
    }
}

   
    
  








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