/// <summary>
/// Test scene for Toruses by Jan Navratil, (c) 2012
/// </summary>
public static void Toroids( IRayScene sc )
{
Debug.Assert( sc != null );
// CSG scene:
CSGInnerNode root = new CSGInnerNode( SetOperation.Union );
root.SetAttribute( PropertyName.REFLECTANCE_MODEL, new PhongModel() );
root.SetAttribute( PropertyName.MATERIAL, new PhongMaterial( new double[] { 0.5, 0.5, 0.5 }, 0.2, 0.7, 0.2, 16 ) );
sc.Intersectable = root;
// Background color:
sc.BackgroundColor = new double[] { 0.0, 0.15, 0.2 };
// Camera:
sc.Camera = new StaticCamera( new Vector3d( 0.0, 0.0, -10.0 ),
new Vector3d( 0.0, -0.04, 1.0 ),
60.0 );
// Light sources:
sc.Sources = new LinkedList<ILightSource>();
sc.Sources.Add( new AmbientLightSource( 1.8 ) );
sc.Sources.Add( new PointLightSource( new Vector3d( -5.0, 3.0, -3.0 ), 2.0 ) );
// --- NODE DEFINITIONS ----------------------------------------------------
Sphere s;
Torus t;
t = new Torus( 2.0, 1.0 );
t.SetAttribute( PropertyName.COLOR, new double[] { 0, 0, 0.7 } );
t.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 50, 20, new double[] { 0.9, 0.9, 0 } ) );
root.InsertChild( t, Matrix4d.Scale( 0.8 ) * Matrix4d.CreateRotationX( 0.9 ) * Matrix4d.CreateTranslation( 2.7, 0.6, 0.0 ) );
t = new Torus( 1.0, 1.5 );
t.SetAttribute( PropertyName.COLOR, new double[] { 1, 0, 0 } );
t.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 40, 40, new double[] { 0.8, 1.0, 1.0 } ) );
CSGInnerNode donut = new CSGInnerNode( SetOperation.Difference );
donut.InsertChild( t, Matrix4d.Identity );
s = new Sphere();
s.SetAttribute( PropertyName.COLOR, new double[] { 0.5, 0.5, 0.5 } );
s.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 100, 100, new double[] { 1, 0.5, 0 } ) );
donut.InsertChild( s, Matrix4d.Scale( 3 ) * Matrix4d.CreateTranslation( 0, -3, 0 ) );
root.InsertChild( donut, Matrix4d.CreateRotationX( 0.8 ) * Matrix4d.CreateTranslation( -2.5, 0.0, 0.0 ) );
int number = 14;
for ( int i = 0; i < number; i++ )
{
t = new Torus( 0.2, 0.01 + 0.185 * i / number );
t.SetAttribute( PropertyName.COLOR, new double[] { 1, 1, 1 } );
root.InsertChild( t, Matrix4d.CreateRotationX( 0.5 * i ) * Matrix4d.CreateTranslation( 10.0 * (1.0 * i / number) - 4.7, -2.5, 0 ) );
}
}