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 Intersection(Intersectable intersectsWith, Ray ray, Vector3 surfaceNormal, Vector3 location, float distance, Material material)
{
IntersectsWith = intersectsWith;
Ray = ray;
SurfaceNormal = surfaceNormal;
Location = location;
Distance = distance;
Material = material;
}
public Sphere(Vector3 center, float radius, Material material)
: base(material)
{
Center = center;
Radius = radius;
_rad2 = radius*radius;
var radVector = new Vector3(radius);
BoundingBox = new BoundingBox(center - radVector, center + radVector);
}
public Triangle(Vector3 p1, Vector3 p2, Vector3 p3, Material material)
: base(material)
{
_p1 = p1;
//vectors of triangle edges
_e1 = Vector3.Subtract(p2, _p1);
_e2 = Vector3.Subtract(p3, _p1);
Normal = Vector3.Cross(_e1, _e2).Normalized();
BoundingBox = BoundingBox.FromVectors(p1, p2, p3);
}
public TriangleMesh(Vector3 position, Obj obj, Material material)
{
Position = position;
_obj = obj;
foreach (var face in _obj.FaceList)
{
var p1 = ToVector3(_obj.VertexList[face.VertexIndexList[0] - 1]) + Position;
var p2 = ToVector3(_obj.VertexList[face.VertexIndexList[1] - 1]) + Position;
var p3 = ToVector3(_obj.VertexList[face.VertexIndexList[2] - 1]) + Position;
Boundables.Add(new Triangle(p1, p2, p3, material));
}
}
public Quad(Vector3 p1, Vector3 p2, Vector3 p3, Vector3 p4, Material material)
{
P1 = p1;
P2 = p2;
P3 = p3;
P4 = p4;
Material = material;
var t1 = new Triangle(p1, p2, p4, material);
var t2 = new Triangle(p2, p3, p4, material);
Normal = t1.Normal;
Boundables.Add(t1);
Boundables.Add(t2);
Width = p2 - p1;
Depth = p4 - p1;
}
public Intersection(Intersectable intersectsWith, Ray ray, Vector3 surfaceNormal, Vector3 location,
float distance, Material material, bool insidePrimitive)
: this(intersectsWith, ray, surfaceNormal, location, distance, material)
{
InsidePrimitive = insidePrimitive;
}
public static Sphere CreateOnGround(Vector3 groundPoint, float radius, Material material)
{
var center = groundPoint + new Vector3(0, radius, 0);
return new Sphere(center, radius, material);
}
public DebugSphere(PointLight light, float radius, Material material)
: base(light.Position, radius, material)
{
_light = light;
}
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 Plane(Vector3 normal, float height, Material material)
: base(material)
{
_normal = normal;
_height = height;
}
protected Primitive(Material material)
{
Material = material;
}
public static TriangleMesh Load(string path, Vector3 position, Material material)
{
var obj = new Obj();
obj.LoadObj(path);
return new TriangleMesh(position, obj, material);
}