public void Reset(CameraInitialState camera)
{
Models.Clear();
Textures.Clear();
camera.ModelView = Matrix4x4.CreateLookAt(new Vector3(278, 278, 800), new Vector3(278, 278, 0), new Vector3(0, 1, 0));
camera.FieldOfView = 40;
camera.Aperture = 0.0f;
camera.FocusDistance = 10.0f;
camera.ControlSpeed = 500.0f;
camera.GammaCorrection = true;
camera.SkyColor1 = new Vector4(0);
camera.SkyColor2 = new Vector4(0);
var sphere = Model.CreateSphere(new Vector3(555 - 130, 165.0f, -165.0f / 2 - 65), 80.0f, Material.Dielectric(1.5f), true);
var lucy0 = Model.LoadModel("./assets/models/lucy.obj");
lucy0.TransformVertices(
(Matrix4x4.CreateScale(new Vector3(.6f)) * Matrix4x4.CreateTranslation(new Vector3(555 - 300 - 165 / 2, -9, -295 - 165 / 2)))
.RotateBy(new Vector3(0, MathExtensions.ToRadians(75), 0)));
Models.Add(Model.CreateCornellBox(555));
Models.Add(sphere);
Models.Add(lucy0);
}
public void Reset(CameraInitialState camera)
{
Models.Clear();
Textures.Clear();
camera.ModelView = Matrix4x4.CreateLookAt(new Vector3(278, 278, 800), new Vector3(278, 278, 0), new Vector3(0, 1, 0));
camera.FieldOfView = 40;
camera.Aperture = 0.0f;
camera.FocusDistance = 10.0f;
camera.ControlSpeed = 500.0f;
camera.GammaCorrection = true;
camera.SkyColor1 = new Vector4(0);
camera.SkyColor2 = new Vector4(0);
var white = Material.Lambertian(new Vector3(0.73f, 0.73f, 0.73f));
var box0 = Model.CreateBox(new Vector3(0, 0, -165), new Vector3(165, 165, 0), white);
var box1 = Model.CreateBox(new Vector3(0, 0, -165), new Vector3(165, 330, 0), white);
box0.TransformVertices(
Matrix4x4.CreateTranslation(new Vector3(555 - 130 - 165, 0, -65))
.RotateBy(new Vector3(0, MathExtensions.ToRadians(-18), 0)));
box1.TransformVertices(
Matrix4x4.CreateTranslation(new Vector3(555 - 265 - 165, 0, -295))
.RotateBy(new Vector3(0, MathExtensions.ToRadians(15), 0)));
Models.Add(Model.CreateCornellBox(555));
Models.Add(box0);
Models.Add(box1);
}
public void Reset(CameraInitialState camera)
{
Models.Clear();
Textures.Clear();
// Final scene from Ray Tracing In One Weekend book.
camera.ModelView = Matrix4x4.CreateLookAt(new Vector3(13, 2, 3), new Vector3(0, 0, 0), new Vector3(0, 1, 0));
camera.FieldOfView = 20;
camera.Aperture = 0.1f;
camera.FocusDistance = 10.0f;
camera.ControlSpeed = 5.0f;
camera.GammaCorrection = true;
camera.SkyColor1 = new Vector4(1);
camera.SkyColor2 = new Vector4(.5f, .7f, 1f, 1f);
const bool isProc = true;
var random = new Random(42);
Models.Add(Model.CreateSphere(new Vector3(0, -1000, 0), 1000, Material.Lambertian(new Vector3(0.5f, 0.5f, 0.5f)), isProc));
for (int a = -11; a < 11; ++a)
{
for (int b = -11; b < 11; ++b)
{
float chooseMat = (float)random.NextDouble();
var center = new Vector3(a + 0.9f * (float)random.NextDouble(), 0.2f, b + 0.9f * (float)random.NextDouble());
if ((center - new Vector3(4, 0.2f, 0)).Length() > 0.9)
{
if (chooseMat < 0.8f) // Diffuse
{
Models.Add(Model.CreateSphere(center, 0.2f, Material.Lambertian(new Vector3(
(float)random.NextDouble() * (float)random.NextDouble(),
(float)random.NextDouble() * (float)random.NextDouble(),
(float)random.NextDouble() * (float)random.NextDouble())),
isProc));
}
else if (chooseMat < 0.95f) // Metal
{
Models.Add(Model.CreateSphere(center, 0.2f, Material.Metallic(
new Vector3(0.5f * (1 + (float)random.NextDouble()), 0.5f * (1 + (float)random.NextDouble()), 0.5f * (1 + (float)random.NextDouble())),
0.5f * (float)random.NextDouble()),
isProc));
}
else // Glass
{
Models.Add(Model.CreateSphere(center, 0.2f, Material.Dielectric(1.5f), isProc));
}
}
}
}
Models.Add(Model.CreateSphere(new Vector3(0, 1, 0), 1.0f, Material.Dielectric(1.5f), isProc));
Models.Add(Model.CreateSphere(new Vector3(-4, 1, 0), 1.0f, Material.Lambertian(new Vector3(0.4f, 0.2f, 0.1f)), isProc));
Models.Add(Model.CreateSphere(new Vector3(4, 1, 0), 1.0f, Material.Metallic(new Vector3(0.7f, 0.6f, 0.5f), 0.0f), isProc));
}
public void Reset(CameraInitialState camera)
{
Models.Clear();
Textures.Clear();
camera.ModelView = Matrix4x4.CreateLookAt(new Vector3(3.5f, 3, 1.5f), new Vector3(-15, 1.0f, 0), new Vector3(0, 1, 0));
camera.FieldOfView = 20;
camera.Aperture = 0.01f;
camera.FocusDistance = 20.0f;
camera.ControlSpeed = 5.0f;
camera.GammaCorrection = true;
camera.SkyColor1 = new Vector4(1);
camera.SkyColor2 = new Vector4(.5f, .7f, 1f, 1f);
Models.Add(Model.CreateGroundRect(new Vector3(0, 0, 0), 80, 80, Material.Metallic(new Vector3(.4f, .4f, .5f), .002f), 10f));
var mirror1 = Model.CreateGroundRect(new Vector3(0, 0, 0), 6, 10, Material.Metallic(new Vector3(1), 0), 1);
mirror1.Transform = Matrix4x4.CreateTranslation(5, 5.05f, 0).RotateBy(new Vector3(MathExtensions.ToRadians(90), MathExtensions.ToRadians(-90), 0));
Models.Add(mirror1);
var mirror1Frame = Model.CreateGroundRect(new Vector3(0, 0, 0), 6.1f, 10.1f, Material.Lambertian(new Vector3(0), 0), 1);
mirror1Frame.Transform = Matrix4x4.CreateTranslation(5.01f, 5.05f, 0).RotateBy(new Vector3(MathExtensions.ToRadians(90), MathExtensions.ToRadians(-90), 0));
Models.Add(mirror1Frame);
var mirror2 = Model.CreateGroundRect(new Vector3(0, 0, 0), 6, 10, Material.Metallic(new Vector3(1), 0), 1);
mirror2.Transform = Matrix4x4.CreateTranslation(-5, 5, 0).RotateBy(new Vector3(MathExtensions.ToRadians(-90), MathExtensions.ToRadians(-90), 0));
Models.Add(mirror2);
var mirror2Frame = Model.CreateGroundRect(new Vector3(0, 0, 0), 6.1f, 10.1f, Material.Lambertian(new Vector3(0), 0), 1);
mirror2Frame.Transform = Matrix4x4.CreateTranslation(-5.01f, 5.05f, 0).RotateBy(new Vector3(MathExtensions.ToRadians(-90), MathExtensions.ToRadians(-90), 0));
Models.Add(mirror2Frame);
var lucy = Model.LoadModel("./assets/models/lucy.obj");
lucy.TransformVertices(
(Matrix4x4.CreateScale(new Vector3(0.0035f)) * Matrix4x4.CreateTranslation(new Vector3(0, -0.08f, 0)))
.RotateBy(new Vector3(0, MathExtensions.ToRadians(0), 0)));
lucy.SetMaterial(Material.Lambertian(new Vector3(0.2f, 0.4f, 0.2f)));
Models.Add(lucy);
}
public void Reset(CameraInitialState camera)
{
Models.Clear();
Textures.Clear();
// Basic test scene.
camera.ModelView = Matrix4x4.CreateTranslation(new Vector3(0, 0, -2));
camera.FieldOfView = 90;
camera.Aperture = 0.05f;
camera.FocusDistance = 2.0f;
camera.ControlSpeed = 2.0f;
camera.GammaCorrection = false;
camera.SkyColor1 = new Vector4(1);
camera.SkyColor2 = new Vector4(.5f, .7f, 1f, 1f);
Models.Add(Model.LoadModel("./assets/models/cube_multi.obj"));
Models.Add(Model.CreateSphere(new Vector3(1, 0, 0), 0.5f, Material.Metallic(new Vector3(0.7f, 0.5f, 0.8f), 0.2f), true));
Models.Add(Model.CreateSphere(new Vector3(-1, 0, 0), 0.5f, Material.Dielectric(1.5f), true));
Models.Add(Model.CreateSphere(new Vector3(0, 1, 0), 0.5f, Material.Lambertian(new Vector3(1.0f), 0), true));
Textures.Add(Texture.LoadTexture("./assets/textures/land_ocean_ice_cloud_2048.png"));
}
public void Reset(CameraInitialState camera)
{
Models.Clear();
Textures.Clear();
camera.ModelView = Matrix4x4.CreateLookAt(new Vector3(-10, 5, 12) * 2, new Vector3(-5, 5, 0), new Vector3(0, 1, 0));
camera.FieldOfView = 40;
camera.Aperture = 0.0f;
camera.FocusDistance = 10.0f;
camera.ControlSpeed = 5.0f;
camera.GammaCorrection = true;
camera.SkyColor1 = new Vector4(.6f, .7f, .9f, 1);
camera.SkyColor2 = new Vector4(.6f, .7f, .9f, 1);
// Initialize physics
_bufferPool = new BufferPool();
var targetThreadCount = Math.Max(1, Environment.ProcessorCount > 4 ? Environment.ProcessorCount - 2 : Environment.ProcessorCount - 1);
_threadDispatcher = new SimpleThreadDispatcher(targetThreadCount);
_simulation = Simulation.Create(_bufferPool, new DemoNarrowPhaseCallbacks(), new DemoPoseIntegratorCallbacks(new Vector3(0, -9.8f, 0)), new PositionFirstTimestepper());
var random = new Random(42);
// Add a floor
const float groundDim = 400;
Textures.Add(Texture.LoadTexture(@"./assets/textures/laminate.jpg"));
var floor = Model.CreateGroundRect(new Vector3(0, 0, 0), groundDim, groundDim, Material.Dielectric(5.5f, Textures.Count - 1), groundDim / 16f);
Models.Add(floor);
_simulation.Statics.Add(new StaticDescription(new Vector3(0, -.5f, 0), new CollidableDescription(_simulation.Shapes.Add(new Box(groundDim, 1, groundDim)), 0.1f)));
// Create pyramid
const float boxDim = 1;
const float marbleRadius = boxDim / 2f;
var boxShape = new Box(boxDim, boxDim, boxDim);
boxShape.ComputeInertia(.1f, out var boxInertia);
var boxIndex = _simulation.Shapes.Add(boxShape);
var marbleShape = new BepuPhysics.Collidables.Sphere(marbleRadius);
var boxTemplate = Model.CreateBox(new Vector3(-(boxDim / 2)), new Vector3(boxDim / 2), default);
const int pyramidSize = 20;
const float offset = -(pyramidSize / 2f) * boxDim;
for (int y = 0; ; y++)
{
int startIndex = y;
int endIndex = pyramidSize - y;
if (startIndex >= endIndex)
{
break;
}
for (int x = startIndex; x < endIndex; x++)
{
for (int z = startIndex; z < endIndex; z++)
{
var box = boxTemplate.Clone();
box.SetMaterial(Material.Lambertian(new Vector3((float)random.NextDouble(), (float)random.NextDouble(), (float)random.NextDouble()) / 1f));
box.Transform = Matrix4x4.CreateTranslation(new Vector3(x * boxDim + offset, y * boxDim + (boxDim / 2), z * boxDim + offset));
Models.Add(box);
var quat = box.Transform.ToQuaternion();
var bodyHandle = _simulation.Bodies.Add(
BodyDescription.CreateDynamic(
new RigidPose {
Position = box.Transform.Translation, Orientation = new Quaternion(quat.X, quat.Y, quat.Z, quat.W)
},
boxInertia,
new CollidableDescription(boxIndex, 0.1f),
new BodyActivityDescription(0.01f)));
_bodyHandleToModelIndex[bodyHandle] = Models.Count - 1;
// Put some marbles on top of the pyramid
if ((x == startIndex || x == endIndex - 1) ||
(z == startIndex || z == endIndex - 1))
{
Models.Add(Model.CreateSphere(default, marbleRadius, Material.Metallic(
public void Reset(CameraInitialState camera)
{
Models.Clear();
Textures.Clear();
// Same as RayTracingInOneWeekend but using the Lucy 3D model.
camera.ModelView = Matrix4x4.CreateLookAt(new Vector3(13, 2, 3), new Vector3(0, 1.0f, 0), new Vector3(0, 1, 0));
camera.FieldOfView = 20;
camera.Aperture = 0.05f;
camera.FocusDistance = 10.0f;
camera.ControlSpeed = 5.0f;
camera.GammaCorrection = true;
camera.SkyColor1 = new Vector4(1);
camera.SkyColor2 = new Vector4(.5f, .7f, 1f, 1f);
const bool isProc = true;
var random = new Random(42);
Models.Add(Model.CreateSphere(new Vector3(0, -1000, 0), 1000, Material.Lambertian(new Vector3(0.5f, 0.5f, 0.5f)), isProc));
for (int a = -11; a < 11; ++a)
{
for (int b = -11; b < 11; ++b)
{
float chooseMat = (float)random.NextDouble();
var center = new Vector3(a + 0.9f * (float)random.NextDouble(), 0.2f, b + 0.9f * (float)random.NextDouble());
if ((center - new Vector3(4, 0.2f, 0)).Length() > 0.9)
{
if (chooseMat < 0.8f) // Diffuse
{
Models.Add(Model.CreateSphere(center, 0.2f, Material.Lambertian(new Vector3(
(float)random.NextDouble() * (float)random.NextDouble(),
(float)random.NextDouble() * (float)random.NextDouble(),
(float)random.NextDouble() * (float)random.NextDouble())),
isProc));
}
else if (chooseMat < 0.95f) // Metal
{
Models.Add(Model.CreateSphere(center, 0.2f, Material.Metallic(
new Vector3(0.5f * (1 + (float)random.NextDouble()), 0.5f * (1 + (float)random.NextDouble()), 0.5f * (1 + (float)random.NextDouble())),
0.5f * (float)random.NextDouble()),
isProc));
}
else // Glass
{
Models.Add(Model.CreateSphere(center, 0.2f, Material.Dielectric(1.5f), isProc));
}
}
}
}
var lucy0 = Model.LoadModel("./assets/models/lucy.obj");
var lucy1 = lucy0.Clone();
var lucy2 = lucy0.Clone();
const float scaleFactor = 0.0035f;
lucy0.TransformVertices(
(Matrix4x4.CreateScale(new Vector3(scaleFactor)) * Matrix4x4.CreateTranslation(new Vector3(0, -0.08f, 0)))
.RotateBy(new Vector3(0, MathExtensions.ToRadians(90), 0)));
lucy1.TransformVertices(
(Matrix4x4.CreateScale(new Vector3(scaleFactor)) * Matrix4x4.CreateTranslation(new Vector3(-4, -0.08f, 0)))
.RotateBy(new Vector3(0, MathExtensions.ToRadians(90), 0)));
lucy2.TransformVertices(
(Matrix4x4.CreateScale(new Vector3(scaleFactor)) * Matrix4x4.CreateTranslation(new Vector3(4, -0.08f, 0)))
.RotateBy(new Vector3(0, MathExtensions.ToRadians(90), 0)));
lucy0.SetMaterial(Material.Dielectric(1.5f));
lucy1.SetMaterial(Material.Lambertian(new Vector3(0.4f, 0.2f, 0.1f)));
lucy2.SetMaterial(Material.Metallic(new Vector3(0.7f, 0.6f, 0.5f), 0.05f));
Models.Add(lucy0);
Models.Add(lucy1);
Models.Add(lucy2);
}
