private static IScene Build()
{
var white =
new MatteMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.6f, 0f, 0.9f }, SpectrumType.Illuminant)),
new ConstantTexture <float>(0), null);
var sss = new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.9f, 0.9f, 0.9f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(new Spectrum(40f)),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var red =
new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.9f, 0f, 0f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(0.8f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.9f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var yellow =
new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 1f, 1f, 0f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.9f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var cyan =
new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0f, 1f, 1f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.8f),
new ConstantTexture <float>(0.1f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0.9f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var metal = new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.5f, 0.5f, 0.5f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(0.4f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var mirror = new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.7f, 0.7f, 0.8f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(0.1f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var trans = new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.0f, 0.8f, 0.0f }, SpectrumType.Illuminant)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(2.5f),
new ConstantTexture <float>(0.01f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(new Spectrum(0f)),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
null);
var px = 3000;
var pz = 3000;
var tr = Transform.Translate(-500, 178, -600);
var tris = TriangleMesh.CreateTriangleMesh(
tr,
Transform.Invert(tr),
false,
2,
new[] { 0, 1, 2, 3, 2, 1 },
4,
new[]
{
new Point(0, 0, 0),
new Point(0, 0, pz),
new Point(px, 0, 0),
new Point(px, 0, pz)
},
null,
null, null, null, null, null);
var prims = new List <IPrimitive>();
foreach (var tri in tris)
{
prims.Add(new GeometricPrimitive(tri, red, null));
}
var s1t = Transform.Translate(278, 278, 100);
var s1 = new Sphere(s1t, Transform.Invert(s1t), false, 100f, -100, 100, 360);
var s1g = new GeometricPrimitive(s1, sss, null);
prims.Add(s1g);
var s2t = Transform.Translate(390, 228, 30);
var s2 = new Sphere(s2t, Transform.Invert(s2t), false, 50f, -50, 50, 360);
var s2g = new GeometricPrimitive(s2, cyan, null);
prims.Add(s2g);
var s3t = Transform.Translate(50, 328, 200);
var s3 = new Sphere(s3t, Transform.Invert(s3t), false, 150f, -150, 150, 360);
var s3g = new GeometricPrimitive(s3, yellow, null);
prims.Add(s3g);
var s4t = Transform.Translate(480, 238, -50);
var s4 = new Sphere(s4t, Transform.Invert(s4t), false, 60f, -60, 60, 360);
var s4g = new GeometricPrimitive(s4, metal, null);
prims.Add(s4g);
var s5t = Transform.Translate(490, 255, 250);
var s5 = new Sphere(s5t, Transform.Invert(s5t), false, 80f, -80, 80, 360);
var s5g = new GeometricPrimitive(s5, white, null);
prims.Add(s5g);
var s7t = Transform.Translate(150, 248, -120);
var s7 = new Sphere(s7t, Transform.Invert(s7t), false, 70f, -70, 70, 360);
var s7g = new GeometricPrimitive(s7, trans, null);
prims.Add(s7g);
//var temp = 5000f;
//var lightMatte =
// new MatteMaterial(
// new ConstantTexture<Spectrum>(Spectrum.FromBlackbodyT(temp)),
// new ConstantTexture<float>(0), null);
//var s6t = Transform.Translate(400, 188, -230);
//var s6 = new Sphere(s6t, Transform.Invert(s6t), false, 10f, -10, 10, 360);
//var dl = new DiffuseAreaLight(s6t, null, Spectrum.FromBlackbodyT(temp) * 60f, 12, s6);
//var s6g = new GeometricPrimitive(s6, lightMatte, dl);
//prims.Add(s6g);
var bvh = new BVH(prims.ToArray(), SplitMethod.HLBVH);
var lt = Transform.RotateX(MathF.Rad(75)).Translate(278, 600, -120);
var s = Spectrum.FromBlackbodyT(4500) * 400000f;
var spot = new SpotLight(lt, null, s, 120, 20);
lt = Transform.RotateX(MathF.Rad(75)).Translate(278, 300, -300);
s = Spectrum.FromBlackbodyT(6500) * 55000f;
var point = new PointLight(lt, null, s);
return(new Scene(bvh, new ILight[] { spot, point }));
}
private static IScene Build()
{
var white =
new MatteMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 1f, 1f, 1f }, SpectrumType.Illuminant)),
new ConstantTexture <float>(0), null);
var red =
new PlasticMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 1f, 0f, 0f }, SpectrumType.Illuminant)),
new ConstantTexture <Spectrum>(new Spectrum(0.3f)),
new ConstantTexture <float>(0.0f),
null,
true);
var yellow =
new MatteMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 1f, 1f, 0f }, SpectrumType.Illuminant)),
new ConstantTexture <float>(0), null);
var cyan =
new MatteMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0f, 1f, 1f }, SpectrumType.Illuminant)),
new ConstantTexture <float>(0), null);
var metal =
new MetalMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.8f, 0.8f, 0.8f }, SpectrumType.Illuminant)),
new ConstantTexture <Spectrum>(Spectrum.One),
new ConstantTexture <float>(0.01f), null, null, null, true);
var mirror =
new MirrorMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.8f, 0.8f, 0.8f }, SpectrumType.Illuminant)),
null);
var s1t = Transform.Translate(278, 278, 100);
var s1 = new Sphere(s1t, Transform.Invert(s1t), false, 100f, -100, 100, 360);
var s1g = new GeometricPrimitive(s1, mirror, null);
var s2t = Transform.Translate(340, 100, 80);
var s2 = new Sphere(s2t, Transform.Invert(s2t), false, 120f, -120, 120, 360);
var s2g = new GeometricPrimitive(s2, cyan, null);
var s3t = Transform.Translate(0, 278, 200);
var s3 = new Sphere(s3t, Transform.Invert(s3t), false, 300f, -300, 300, 360);
var s3g = new GeometricPrimitive(s3, yellow, null);
var s4t = Transform.Translate(400, 500, 150);
var s4 = new Sphere(s4t, Transform.Invert(s4t), false, 180f, -180, 180, 360);
var s4g = new GeometricPrimitive(s4, metal, null);
var s5t = Transform.Translate(420, 200, 250);
var s5 = new Sphere(s5t, Transform.Invert(s5t), false, 180f, -180, 180, 360);
var s5g = new GeometricPrimitive(s5, white, null);
var s6t = Transform.Translate(500, 30, 180);
var s6 = new Sphere(s6t, Transform.Invert(s6t), false, 200f, -200, 200, 360);
var s6g = new GeometricPrimitive(s6, red, null);
var bvh = new BVH(new IPrimitive[] { s1g, s2g, s3g, s4g, s5g, s6g }, SplitMethod.HLBVH);
var lt = Transform.Translate(400, 900, -800);
var s = Spectrum.FromBlackbodyT(5500) * 2000000f;
var pointLight = new PointLight(lt, null, s);
return(new Scene(bvh, new ILight[] { pointLight }));
}
private static IScene Build()
{
var white =
new MatteMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 1f, 1f, 1f }, SpectrumType.Illuminant)),
new ConstantTexture <float>(0), null);
var red =
new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.9f, 0f, 0f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(0.6f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.9f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var yellow =
new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 1f, 1f, 0f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.9f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var cyan =
new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.01f, 0.5f, 0.01f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.8f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.9f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var metal = new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.5f, 0.5f, 0.5f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(1.8f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(Spectrum.Zero),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var sss = new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.9f, 0.9f, 0.9f }, SpectrumType.Reflectance)),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1.5f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <Spectrum>(new Spectrum(10f)),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.5f),
null);
var mirror =
new MirrorMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.8f, 0.8f, 0.8f }, SpectrumType.Illuminant)),
null);
var trans = new DisneyMaterial(
new ConstantTexture <Spectrum>(Spectrum.FromRGB(new[] { 0.9f, 0.9f, 0.9f }, SpectrumType.Illuminant)),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(1.62f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(1f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.0f),
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0.0f),
new ConstantTexture <float>(0.5f),
new ConstantTexture <float>(0.90f),
new ConstantTexture <Spectrum>(new Spectrum(0f)),
false,
new ConstantTexture <float>(0f),
new ConstantTexture <float>(0f),
null);
var path = Path.Combine(TestScenes.GetExecutionPath(), "teapot.obj");
Console.WriteLine("Loading file {0}...", path);
var data = ObjFileMeshBuilder.ParseFile(path);
Console.WriteLine("File parsed...");
var teapotTransform = Transform.Scale(10)
.RotateX(MathF.Rad(-90))
.RotateY(MathF.Rad(26))
.Translate(272f, 175f, -123f);
var teapot = data.Meshes[0].BuildShape(teapotTransform, Transform.Invert(teapotTransform), false);
var primitives = teapot.Select(tri => new GeometricPrimitive(tri, metal, null)).Cast <IPrimitive>().ToList();
var plane = TestScenes.CreatePlane(new Point(-1500, 178, -800), new Point(1500, 178, 2500));
primitives.AddRange(plane.Select(tri => new GeometricPrimitive(tri, cyan, null)));
var bvh = new BVH(primitives.ToArray(), SplitMethod.HLBVH);
var transform = Transform.RotateX(MathF.Rad(70)).Translate(278, 600, -200);
var spectrum = Spectrum.FromBlackbodyT(4000) * 500000f;
var spotLight = new SpotLight(transform, null, spectrum, 120, 20);
transform = Transform.Translate(402, 300, 200);
spectrum = Spectrum.FromBlackbodyT(7500) * 20000f;
var pointLight = new PointLight(transform, null, spectrum);
return(new Scene(bvh, new ILight[] { pointLight, spotLight }));
}
