public static void DarkRoom(Camera camera, Scene scene)
{
//(2.138888, 1.241551, -0.6152115) Target: (1.217189, 1.035707, -0.2864288)
//camera.Update(new Vector3(3.61508f, 2.465492f, 8.432084f), new Vector3(3.699683f, 2.259647f, 7.457158f));
//camera.Update(new Vector3(2.138888f, 1.241551f, -0.6152115f), new Vector3(1.217189f, 1.035707f, -0.2864288f));
//(5.049499, 1.474878, 0.4852568) Target: (4.071804, 1.269033, 0.526975)
camera.Update(new Vector3(5.049499f, 1.474878f, 0.4852568f), new Vector3(4.071804f, 1.269033f, 0.526975f));
scene.Skybox = new SingleColorSkybox(Color4.Black);
//light
scene.Add(CreateLight(new Vector3(2.5f,5,-5f), Color4.White, 10, 10));
//floor
scene.Add(new Plane(
Vector3.UnitY,
0,
new Material(MaterialType.Diffuse) { Texture = new Checkerboard(5, Color4.DarkGray, Color4.White) }
));
var mat = new Material(MaterialType.Diffuse);
scene.Add(Sphere.CreateOnGround(new Vector3(0,0.5f,0), 0.5f, mat.WithColor(Color4.Red)));
scene.Add(Sphere.CreateOnGround(new Vector3(0,-0.5f,0), 0.5f, mat));
scene.Add(new SphereLight(new Vector3(1,1,1), 0.5f, Color4.White, 2));
scene.Add(Sphere.CreateOnGround(new Vector3(1, -0.5f, 1), 0.5f, mat));
scene.Add(Sphere.CreateOnGround(new Vector3(2,0.5f,2), 0.5f, mat.WithColor(Color4.Blue)));
scene.Add(Sphere.CreateOnGround(new Vector3(2, -0.5f, 2), 0.5f, mat));
//_scene.Add(new Sphere(new Vector3(0, 0.2f, 0), 0.2f, mat.WithColor(Color4.Red)));
//_scene.Add(new Sphere(new Vector3(1, 0.4f, 0), 0.4f, mat.WithColor(Color4.Blue)));
//_scene.Add(new Sphere(new Vector3(2.5f, 0.8f, 0), 0.8f, mat.WithColor(Color4.Green)));
//_scene.Add(new Sphere(new Vector3(5, 1.6f, 0), 1.6f, mat.WithColor(Color4.Yellow)));
}
public MonteCarloLightingModel(Scene scene, RNG rng, bool nee, bool cosineDist, bool russianRoulette)
{
_scene = scene;
_rng = rng;
_nee = nee;
_cosineDist = cosineDist;
_russianRoulette = russianRoulette;
}
public static void BeerTest(Camera camera, Scene scene)
{
AddSkybox(scene);
camera.Update(new Vector3(3.61508f, 2.465492f, 8.432084f), new Vector3(3.699683f, 2.259647f, 7.457158f));
AddFloor(scene);
AddLight(scene);
var mat = Material.Glass;
mat.Color = Color4.Red;
scene.Add(new Sphere(new Vector3(0, 0.2f, 0), 0.2f, mat));
scene.Add(new Sphere(new Vector3(1, 0.4f, 0), 0.4f, mat));
scene.Add(new Sphere(new Vector3(2.5f, 0.8f, 0), 0.8f, mat));
scene.Add(new Sphere(new Vector3(5, 1.6f, 0), 1.6f, mat));
}
public Color3 Sample(Scene scene, Ray ray, RNG rng, bool ignoreLight)
{
if (ray.BouncesLeft < 1)
{
return Color4.Black;
}
//get nearest intersection
var intersection = IntersectionHelper.GetClosestIntersection(ray, scene.Objects);
if (intersection == null)
{
return scene.Skybox.Intersect(ray.Direction);
}
var lightingModel = new MonteCarloLightingModel(scene, rng, nee: true, cosineDist: true, russianRoulette: false);
return lightingModel.Calculate(intersection, ignoreLight);
}
public Color3 Sample(Scene scene, Ray ray, RNG random, bool ignoreLight)
{
//Debug.Assert(scene.BVH != null);
if (ray.BouncesLeft < 1)
{
return Color4.Red;
}
//get nearest intersection
var intersection = IntersectionHelper.GetClosestIntersection(ray, scene.Objects);
if (intersection == null)
{
return scene.Skybox.Intersect(ray.Direction);
}
var lightingModel = new WhittedStyleLightingModel(scene, random);
return lightingModel.Calculate(intersection);
}
public static void Default(Camera camera, Scene scene)
{
camera.Update(new Vector3(1.922451f, 2.341791f, 3.731561f), new Vector3(1.634576f, 1.94541f, 2.859776f));
AddSkybox(scene);
AddFloor(scene);
AddLight(scene);
//var cube = ObjLoader.Load("C:\\Users\\Morten\\Documents\\Visual Studio 2015\\Projects\\AGR\\Meshes\\cube.obj",
// new Vector3(3, 0.51f, 1),
// Material.Glass);
//_scene.Add(cube);
scene.Add(new Sphere(new Vector3(1, 0.5f, -1), 0.5f,
new Material(MaterialType.Diffuse) { Color = Color4.Red, Specularity = 0.9f }));
scene.Add(new Sphere(new Vector3(2, 0.5f, -1), 0.5f,
new Material(MaterialType.Diffuse) { Color = Color4.Green, Specularity = 0.9f }));
scene.Add(new Sphere(new Vector3(1.5f, 0.5f, -1.9f), 0.5f,
new Material(MaterialType.Diffuse) { Color = Color4.Blue, Specularity = 0.9f }));
scene.Add(new Sphere(new Vector3(1.5f, 1.25f, -1.4f), 0.5f,
new Material(MaterialType.Diffuse) { Specularity = 0.95f }));
scene.Add(new Sphere(new Vector3(0, 1, 2), 1, Material.Glass.WithColor(Color4.Red)));
scene.Add(new Sphere(new Vector3(0, 3, 2), 1, Material.Metal));
}
private static void AddSkybox(Scene scene)
{
scene.Skybox = new TexturedSkybox(Path.Combine(Directory.GetCurrentDirectory(), "..\\..\\assets\\skybox3.jpg"));
}
private static void AddFloor(Scene scene)
{
scene.Add(new Plane(
Vector3.UnitY,
0,
new Material(MaterialType.Diffuse) { Texture = new Checkerboard(5, Color4.Bisque, Color4.White) }
));
}
public static void Teapot(Camera camera, Scene scene)
{
AddSkybox(scene);
AddFloor(scene);
AddLight(scene);
var path = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "..\\..\\Meshes\\teapot.obj");
var teapot = ObjLoader.Load(path, Vector3.Zero, Material.Metal);
scene.Add(teapot);
}
public static void AddLight(Scene scene)
{
scene.Add(new PointLight(new Vector3(5, 6, 3), Color4.White, 20));
scene.Add(new PointLight(new Vector3(-2000, 2000, 2000), Color4.White, 7000000));
}
public static void PathTracerBoxCool(Camera camera, Scene scene)
{
AddSkybox(scene);
AddFloor(scene);
camera.Update(new Vector3(-0.01214953f, 1.140012f, 2.391021f), new Vector3(-0.007645808f, 1.0049f, 1.400201f));
var debugLight = new PointLight(new Vector3(0, 1f, -0.5f), Color4.White, 2);
scene.Add(debugLight);
scene.Add(new PointLight(new Vector3(5,5,5), Color4.White, 30));
scene.Add(new SphereLight(new Vector3(0f, 1.95f, 0), 0.4f, Color4.White, 4));
//var lightWidth = 1.75f;
//var hw = lightWidth/2;
//scene.Add(new SurfaceLight(
// new Vector3(-hw, 1.99f, hw),
// new Vector3(-hw, 1.99f,-hw),
// new Vector3(hw, 1.99f, -hw),
// new Vector3(hw, 1.99f, hw),
// Color4.White
// ));
var diffuse = new Material(MaterialType.Diffuse);
scene.Add(Sphere.CreateOnGround(new Vector3(-0.5f, 0, 0), 0.3f, diffuse.WithColor(Color4.Green)));
//_scene.Add(Sphere.CreateOnGround(new Vector3(-0.5f, 0, 0), 0.3f, new Material(MaterialType.Light)));
scene.Add(Sphere.CreateOnGround(new Vector3(0.4f, 0, 0.6f), 0.2f, Material.Metal));
scene.Add(Sphere.CreateOnGround(new Vector3(0.5f, 0, -0.4f), 0.4f, Material.Glass));
var wallMat = new Material(MaterialType.Diffuse) { Color = new Color3(0.7f, 0.7f, 0.7f)};
//top
scene.Add(new Quad(
new Vector3(-1, 2, -4),
new Vector3(1, 2, -4),
new Vector3(1, 2, 4),
new Vector3(-1, 2, 4),
wallMat
));
//bottom
scene.Add(new Quad(
new Vector3(-1, 0, -4),
new Vector3(-1, 0, 4),
new Vector3(1, 0, 4),
new Vector3(1, 0, -4),
wallMat
));
//left
scene.Add(new Quad(
new Vector3(-1, 0, -4),
new Vector3(-1, 2, -4),
new Vector3(-1, 2, 4),
new Vector3(-1, 0, 4),
wallMat
));
//right
scene.Add(new Quad(
new Vector3(1, 0, -4),
new Vector3(1, 0, 4),
new Vector3(1, 2, 4),
new Vector3(1, 2, -4),
wallMat
));
//back
//scene.Add(new Quad(
// new Vector3(-1, 0, -1),
// new Vector3(1, 0, -1),
// new Vector3(1, 2, -1),
// new Vector3(-1, 2, -1),
// wallMat
// ));
////front
//scene.Add(new Quad(
// new Vector3(-1, 0, 4),
// new Vector3(-1, 2, 4),
// new Vector3(1, 2, 4),
// new Vector3(1, 0, 4),
// wallMat
// ));
}
public WhittedStyleLightingModel(Scene scene, RNG rng)
{
_scene = scene;
_rng = rng;
}
public SceneManager(Camera camera, Scene scene)
{
_camera = camera;
_scene = scene;
}