/// <summary>
/// Infinite plane with two spheres on it (one of them is transparent)
/// </summary>
public static void TwoSpheres( 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[] { 1.0, 0.8, 0.1 }, 0.1, 0.6, 0.4, 128 ) );
sc.Intersectable = root;
// Background color:
sc.BackgroundColor = new double[] { 0.0, 0.05, 0.07 };
// Camera:
sc.Camera = new StaticCamera( new Vector3d( 0.7, 0.5, -5.0 ),
new Vector3d( 0.0, -0.18, 1.0 ),
50.0 );
// Light sources:
sc.Sources = new LinkedList<ILightSource>();
sc.Sources.Add( new AmbientLightSource( 0.8 ) );
sc.Sources.Add( new PointLightSource( new Vector3d( -5.0, 4.0, -3.0 ), 1.2 ) );
// --- NODE DEFINITIONS ----------------------------------------------------
// Transparent sphere:
Sphere s;
s = new Sphere();
PhongMaterial pm = new PhongMaterial( new double[] { 0.0, 0.2, 0.1 }, 0.05, 0.05, 0.1, 128 );
pm.n = 1.6;
pm.Kt = 0.9;
s.SetAttribute( PropertyName.MATERIAL, pm );
root.InsertChild( s, Matrix4d.Identity );
// Opaque sphere:
s = new Sphere();
root.InsertChild( s, Matrix4d.Scale( 1.2 ) * Matrix4d.CreateTranslation( 1.5, 0.2, 2.4 ) );
// Infinite plane with checker:
Plane pl = new Plane();
pl.SetAttribute( PropertyName.COLOR, new double[] { 0.3, 0.0, 0.0 } );
pl.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 0.6, 0.6, new double[] { 1.0, 1.0, 1.0 } ) );
root.InsertChild( pl, Matrix4d.RotateX( -MathHelper.PiOver2 ) * Matrix4d.CreateTranslation( 0.0, -1.0, 0.0 ) );
}
/// <summary>
/// Test scene for BezierSurface.
/// </summary>
public static void Bezier( 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[] { 1.0, 0.8, 0.1 }, 0.1, 0.5, 0.5, 64 ) );
sc.Intersectable = root;
// Background color:
sc.BackgroundColor = new double[] { 0.0, 0.05, 0.07 };
// Camera:
sc.Camera = new StaticCamera( new Vector3d( 0.7, 0.5, -5.0 ),
new Vector3d( 0.0, -0.18, 1.0 ),
50.0 );
// Light sources:
sc.Sources = new LinkedList<ILightSource>();
sc.Sources.Add( new AmbientLightSource( 0.8 ) );
sc.Sources.Add( new PointLightSource( new Vector3d( -5.0, 3.0, -3.0 ), 1.0 ) );
// --- NODE DEFINITIONS ----------------------------------------------------
// Bezier patch (not yet):
BezierSurface b = new BezierSurface( 1, 2, new double[] {
0.0, 0.0, 3.0, // row 0
1.0, 0.0, 3.0,
2.0, 0.0, 3.0,
3.0, 0.0, 3.0,
4.0, 0.0, 3.0,
5.0, 0.0, 3.0,
6.0, 0.0, 3.0,
0.0, 0.0, 2.0, // row 1
1.0, 0.0, 2.0,
2.0, 3.0, 2.0,
3.0, 3.0, 2.0,
4.0, 3.0, 2.0,
5.0, 0.0, 2.0,
6.0, 0.0, 2.0,
0.0, 0.0, 1.0, // row 2
1.0, 0.0, 1.0,
2.0, 0.0, 1.0,
3.0, 1.5, 1.0,
4.0, 3.0, 1.0,
5.0, 0.0, 1.0,
6.0, 0.0, 1.0,
0.0, 0.0, 0.0, // row 3
1.0, 0.0, 0.0,
2.0, 0.0, 0.0,
3.0, 0.0, 0.0,
4.0, 0.0, 0.0,
5.0, 0.0, 0.0,
6.0, 0.0, 0.0,
} );
b.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 10.5, 12.0, new double[] { 0.0, 0.0, 0.1 } ) );
root.InsertChild( b, Matrix4d.RotateY( -0.4 ) * Matrix4d.CreateTranslation( -1.1, -0.9, 0.0 ) );
// Cylinders for reflections..
Cylinder c = new Cylinder();
c.SetAttribute( PropertyName.MATERIAL, new PhongMaterial( new double[] { 0.0, 0.6, 0.0 }, 0.2, 0.6, 0.3, 8 ) );
root.InsertChild( c, Matrix4d.Scale( 0.15 ) * Matrix4d.RotateX( MathHelper.PiOver2 ) * Matrix4d.CreateTranslation( -0.4, 0.0, 0.0 ) );
c = new Cylinder();
c.SetAttribute( PropertyName.MATERIAL, new PhongMaterial( new double[] { 0.8, 0.2, 0.0 }, 0.2, 0.6, 0.3, 8 ) );
root.InsertChild( c, Matrix4d.Scale( 0.2 ) * Matrix4d.RotateX( MathHelper.PiOver2 ) * Matrix4d.CreateTranslation( -1.9, 0.0, 3.0 ) );
// Infinite plane with checker:
Plane pl = new Plane();
pl.SetAttribute( PropertyName.COLOR, new double[] { 0.3, 0.0, 0.0 } );
pl.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 0.6, 0.6, new double[] { 1.0, 1.0, 1.0 } ) );
root.InsertChild( pl, Matrix4d.RotateX( -MathHelper.PiOver2 ) * Matrix4d.CreateTranslation( 0.0, -1.0, 0.0 ) );
}
/// <summary>
/// Test scene for cylinders
/// </summary>
public static void Cylinders( 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[] { 0.6, 0.0, 0.0 }, 0.15, 0.8, 0.15, 16 ) );
sc.Intersectable = root;
// Background color:
sc.BackgroundColor = new double[] { 0.0, 0.05, 0.07 };
// Camera:
sc.Camera = new StaticCamera( new Vector3d( 0.7, 3.0, -10.0 ),
new Vector3d( 0.0, -0.2, 1.0 ),
50.0 );
// Light sources:
sc.Sources = new LinkedList<ILightSource>();
sc.Sources.Add( new AmbientLightSource( 1.0 ) );
sc.Sources.Add( new PointLightSource( new Vector3d( -5.0, 3.0, -3.0 ), 1.6 ) );
// --- NODE DEFINITIONS ----------------------------------------------------
// Base plane
Plane pl = new Plane();
pl.SetAttribute( PropertyName.COLOR, new double[] { 0.0, 0.2, 0.0 } );
pl.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 0.5, 0.5, new double[] { 1.0, 1.0, 1.0 } ) );
root.InsertChild( pl, Matrix4d.RotateX( -MathHelper.PiOver2 ) * Matrix4d.CreateTranslation( 0.0, -1.0, 0.0 ) );
// Cylinders
Cylinder c = new Cylinder();
root.InsertChild( c, Matrix4d.RotateX( MathHelper.PiOver2 ) * Matrix4d.CreateTranslation( -2.1, 0.0, 1.0 ) );
c = new Cylinder();
c.SetAttribute( PropertyName.COLOR, new double[] { 0.2, 0.0, 0.7 } );
c.SetAttribute( PropertyName.TEXTURE, new CheckerTexture( 12.0, 1.0, new double[] { 0.0, 0.0, 0.3 } ) );
root.InsertChild( c, Matrix4d.RotateY( -0.4 ) * Matrix4d.CreateTranslation( 1.0, 0.0, 1.0 ) );
c = new Cylinder( 0.0, 100.0 );
c.SetAttribute( PropertyName.COLOR, new double[] { 0.1, 0.7, 0.0 } );
root.InsertChild( c, Matrix4d.RotateY( 0.2 ) * Matrix4d.CreateTranslation( 5.0, 0.3, 4.0 ) );
c = new Cylinder( -0.5, 0.5 );
c.SetAttribute( PropertyName.COLOR, new double[] { 0.8, 0.6, 0.0 } );
root.InsertChild( c, Matrix4d.Scale( 2.0 ) * Matrix4d.RotateX( 1.2 ) * Matrix4d.CreateTranslation( 2.0, 1.8, 16.0 ) );
}