int
main (void)
{
Settings settings;
settings.whole_area = Rectangle(Point2i(0, 0), Vector2i(800, 600));
settings.area = Rectangle(Point2i(0, 0), Vector2i(800, 600));
settings.max_thread_count = std::thread::hardware_concurrency();
settings.tile_size = Vector2i(100, 100);
settings.max_sample_count = 1;
settings.adaptive_sample_step = 10;
CosineDebuggerEngine engine;
ParallelRenderer renderer;
RandomSuperSampling super_sampling(true);
PerspectiveCamera camera(
Point3(0.0, 0.75, -4.5),
Vector3(0.0, 0.0, 1.0),
Vector3(0.0, 1.0, 0.0),
Rectangle(Point2i(0, 0), Vector2i(80, 60)).get_aspect_ratio(),
M_PI/2.0f);
ObjModel cow_model;
BVH cow_bvh(new RoundRobinAxisSelector(), new CentreSplitStrategy(), 520, 8);
Instance cow(&cow_bvh);
cow_model.load("mdl/cow.obj");
cow_model.add_to_group(cow_bvh);
cow_bvh.finish();
cow.rotate(Vector3(0.0f, 0.0f, 1.0f), M_PI/4.0f);
cow.rotate(Vector3(0.0f, 1.0f, 0.0f), M_PI/2.0f);
cow.rotate(Vector3(0.0f, 0.0f, 1.0f), M_PI/2.0f);
cow.rotate(Vector3(0.0f, 1.0f, 0.0f), M_PI/3.5f);
cow.translate(Vector3(-3.5f, -2.0f, 0.0f));
InfinitePlane plane(Point3(0.0f, -3.0f, 0.0f), Vector3(0.0f, 1.0f, 0.0f));
SimpleGroup scene;
scene.add(&cow);
scene.add(&plane);
World world;
world.scene = &scene;
world.camera = &camera;
Image image = renderer.render(world, settings, engine, super_sampling);
image.write_png(std::string("cow.png"));
return 0;
}
void trynomapper(const char* filename) {
static const float scale = 0.001f;
Image img(400, 400);
World world;
SimpleGroup scene;
world.scene = &scene;
PerspectiveCamera cam(Point(278*scale, 273*scale, -800*scale), Vector(0, 0, 1), Vector(0, 1, 0), 0.686f, 0.686f);
ImageTexture* whitetex = new ImageTexture("models/stones_diffuse.png");
ConstantTexture* redtex = new ConstantTexture(RGBColor(.7f,0.f,0.f));
ConstantTexture* greentex = new ConstantTexture(RGBColor(0.f,.7f,0.f));
ConstantTexture* blacktex = new ConstantTexture(RGBColor::rep(0.0f));
ConstantTexture* lightsrctex = new ConstantTexture(RGBColor::rep(1.0f));
LambertianMaterial white(blacktex, whitetex);
LambertianMaterial green(blacktex, greentex);
LambertianMaterial red(blacktex, redtex);
//point light
world.light.push_back(new PointLight(Point((278)*scale,429.99f*scale,(279.5f)*scale),RGBColor::rep(100000.0f*scale*scale)));
world.light.push_back(new PointLight(Point(478*scale,229.99f*scale,(-59.5f)*scale),RGBColor::rep(150000.0f*scale*scale)));
world.light.push_back(new PointLight(Point(490*scale,159.99f*scale,279.5f*scale),RGBColor(40000.0f*scale*scale,0,0)));
world.light.push_back(new PointLight(Point(40*scale,159.99f*scale,249.5f*scale),RGBColor(5000.0f*scale*scale,30000.0f*scale*scale,5000.0f*scale*scale)));
//floor
scene.add(new Triangle(Point(000.f,000.f,000.f)*scale, Point(550.f,000.f,000.f)*scale, Point(000.f,000.f,560.f)*scale, nullptr, &white));
scene.add(new Triangle(Point(550.f,000.f,560.f)*scale, Point(550.f,000.f,000.f)*scale, Point(000.f,000.f,560.f)*scale, nullptr, &white));
//ceiling
scene.add(new Triangle(Point(000.f,550.f,000.f)*scale, Point(550.f,550.f,000.f)*scale, Point(000.f,550.f,560.f)*scale, nullptr, &white));
scene.add(new Triangle(Point(550.f,550.f,560.f)*scale, Point(550.f,550.f,000.f)*scale, Point(000.f,550.f,560.f)*scale, nullptr, &white));
//back wall
scene.add(new Triangle(Point(000.f,000.f,560.f)*scale, Point(550.f,000.f,560.f)*scale, Point(000.f,550.f,560.f)*scale, nullptr, &white));
scene.add(new Triangle(Point(550.f,550.f,560.f)*scale, Point(550.f,000.f,560.f)*scale, Point(000.f,550.f,560.f)*scale, nullptr, &white));
//right wall
scene.add(new Triangle(Point(000.f,000.f,000.f)*scale, Point(000.f,000.f,560.f)*scale, Point(000.f,550.f,000.f)*scale, nullptr, &green));
scene.add(new Triangle(Point(000.f,550.f,560.f)*scale, Point(000.f,000.f,560.f)*scale, Point(000.f,550.f,000.f)*scale, nullptr, &green));
//left wall
scene.add(new Triangle(Point(550.f,000.f,000.f)*scale, Point(550.f,000.f,560.f)*scale, Point(550.f,550.f,000.f)*scale, nullptr, &red));
scene.add(new Triangle(Point(550.f,550.f,560.f)*scale, Point(550.f,000.f,560.f)*scale, Point(550.f,550.f,000.f)*scale, nullptr, &red));
//sphere
scene.add(new Sphere(Point(200.f,100.f,300.f)*scale, 150.f*scale, nullptr, &white));
RayTracingIntegrator integrator(&world);
Renderer engine(&cam, &integrator);
engine.render(img);
img.writePNG(filename);
}
void trymapper(const char* filename, CoordMapper* spheremapper1, CoordMapper* spheremapper2) {
static const float scale = 0.001f;
Image img(400, 400);
World world;
SimpleGroup scene;
world.scene = &scene;
PerspectiveCamera cam(Point(278*scale, 273*scale, -800*scale), Vector(0, 0, 1), Vector(0, 1, 0), 0.686f, 0.686f);
CheckerboardTexture* redtex = new CheckerboardTexture(RGBColor(.7f,0.1f,0.1f), RGBColor(0.3f,0.1f,0.1f));
PerlinTexture* greentex = new PerlinTexture(RGBColor(0.f,.7f,0.f), RGBColor(0.0f,0.2f,0.4f));
greentex->addOctave(1.0f, 3.0f);
greentex->addOctave(0.5f, 6.0f);
greentex->addOctave(0.25f, 12.0f);
ConstantTexture* blacktex = new ConstantTexture(RGBColor::rep(0.0f));
ConstantTexture* lightsrctex = new ConstantTexture(RGBColor::rep(1.0f));
ImageTexture* whitetex = new ImageTexture("models/stones_diffuse.png");
ImageTexture* clamptex = new ImageTexture("models/stones_diffuse.png", ImageTexture::CLAMP);
ImageTexture* mirrtex = new ImageTexture("models/stones_diffuse.png", ImageTexture::MIRROR);
LambertianMaterial white(blacktex, whitetex);
LambertianMaterial clamp(blacktex, clamptex);
LambertianMaterial mirror(blacktex, mirrtex);
LambertianMaterial green(blacktex, greentex);
LambertianMaterial red(blacktex, redtex);
//point light
world.light.push_back(new PointLight(Point((178)*scale,429.99f*scale,(279.5f)*scale),RGBColor::rep(100000.0f*scale*scale)));
world.light.push_back(new PointLight(Point(478*scale,229.99f*scale,(-59.5f)*scale),RGBColor::rep(150000.0f*scale*scale)));
world.light.push_back(new PointLight(Point(490*scale,159.99f*scale,279.5f*scale),RGBColor(40000.0f*scale*scale,0,0)));
world.light.push_back(new PointLight(Point(40*scale,159.99f*scale,249.5f*scale),RGBColor(5000.0f*scale*scale,30000.0f*scale*scale,5000.0f*scale*scale)));
TriangleMapper* bottomleft = new TriangleMapper(Point(0,0,0), Point(3,0,0), Point(0,3,0));
TriangleMapper* topright = new TriangleMapper(Point(3,3,0), Point(3,0,0), Point(0,3,0));
//floor
scene.add(new Triangle(Point(000.f,000.f,000.f)*scale, Point(550.f,000.f,000.f)*scale, Point(000.f,000.f,560.f)*scale, bottomleft, &clamp));
scene.add(new Triangle(Point(550.f,000.f,560.f)*scale, Point(550.f,000.f,000.f)*scale, Point(000.f,000.f,560.f)*scale, topright, &clamp));
//ceiling
scene.add(new Triangle(Point(000.f,550.f,000.f)*scale, Point(550.f,550.f,000.f)*scale, Point(000.f,550.f,560.f)*scale, bottomleft, &mirror));
scene.add(new Triangle(Point(550.f,550.f,560.f)*scale, Point(550.f,550.f,000.f)*scale, Point(000.f,550.f,560.f)*scale, topright, &mirror));
//back wall
scene.add(new Triangle(Point(000.f,000.f,560.f)*scale, Point(550.f,000.f,560.f)*scale, Point(000.f,550.f,560.f)*scale, bottomleft, &white));
scene.add(new Triangle(Point(550.f,550.f,560.f)*scale, Point(550.f,000.f,560.f)*scale, Point(000.f,550.f,560.f)*scale, topright, &white));
//right wall
scene.add(new Triangle(Point(000.f,000.f,000.f)*scale, Point(000.f,000.f,560.f)*scale, Point(000.f,550.f,000.f)*scale, bottomleft, &green));
scene.add(new Triangle(Point(000.f,550.f,560.f)*scale, Point(000.f,000.f,560.f)*scale, Point(000.f,550.f,000.f)*scale, topright, &green));
//left wall
scene.add(new Triangle(Point(550.f,000.f,000.f)*scale, Point(550.f,000.f,560.f)*scale, Point(550.f,550.f,000.f)*scale, bottomleft, &red));
scene.add(new Triangle(Point(550.f,550.f,560.f)*scale, Point(550.f,000.f,560.f)*scale, Point(550.f,550.f,000.f)*scale, topright, &red));
//sphere
scene.add(new Sphere(Point(400.f,450.f,300.f)*scale, 150.f*scale, spheremapper1, &white));
scene.add(new Sphere(Point(200.f,100.f,300.f)*scale, 150.f*scale, spheremapper2, &white));
RayTracingIntegrator integrator(&world);
Renderer engine(&cam, &integrator);
engine.render(img);
img.writePNG(filename);
}