sdk/samples/WPFSamples/3DSolids/csharp/quadraticsurface/primitive3d.cs

   1 using System;
   2 using System.Windows;
   3 using System.Windows.Media;
   4 using System.Windows.Media.Media3D;
   5
   6 namespace Primitive3DSurfaces
   7 {
   8     public abstract class Primitive3D : ModelVisual3D
   9     {
  10         public Primitive3D()
  11         {
  12             Content = _content;
  13             _content.Geometry = Tessellate();
  14         }
  15
  16         public static DependencyProperty MaterialProperty =
  17             DependencyProperty.Register(
  18                 "Material",
  19                 typeof(Material),
  20                 typeof(Primitive3D), new PropertyMetadata(
  21                     null, new PropertyChangedCallback(OnMaterialChanged)));
  22
  23         public Material Material
  24         {
  25             get { return (Material)GetValue(MaterialProperty); }
  26             set { SetValue(MaterialProperty, value); }
  27         }
  28
  29         internal static void OnMaterialChanged(Object sender, DependencyPropertyChangedEventArgs e)
  30         {
  31             Primitive3D p = ((Primitive3D)sender);
  32
  33             p._content.Material = p.Material;
  34         }
  35
  36         internal static void OnGeometryChanged(DependencyObject d)
  37         {
  38             Primitive3D p = ((Primitive3D)d);
  39
  40             p._content.Geometry = p.Tessellate();
  41         }
  42
  43         internal double DegToRad(double degrees)
  44         {
  45             return (degrees / 180.0) * Math.PI;
  46         }
  47
  48         internal abstract Geometry3D Tessellate();
  49
  50         internal readonly GeometryModel3D _content = new GeometryModel3D();
  51     }
  52 }