void RayTracer::createSceneFromBook(HitableList& list)
{
Camera& camera = m_cameraSystem.getCurrentCamera();
camera.setPosition(vec3(16.857f, 2.0f, 6.474f));
camera.setYaw(Math::toRadians(247.8f));
camera.setPitch(Math::toRadians(-4.762f));
camera.setAperture(0.1f);
camera.setFocusDistance(17.29f);
list.add( new Sphere(vec3(0,-1000,0), 1000, new Lambertian(vec3(0.5, 0.5, 0.5))) );
for (int a = -11; a < 11; a++)
{
for (int b = -11; b < 11; b++)
{
float choose_mat = getRandom();
vec3 center(a + 0.9f * getRandom(), 0.2f, b + 0.9f * getRandom());
if ((center-vec3(4,0.2,0)).length() > 0.9f)
{
if (choose_mat < 0.8f)
{
// diffuse
list.add( new Sphere(center, 0.2f, new Lambertian(vec3( getRandom()*getRandom(), getRandom()*getRandom(), getRandom()*getRandom()))));
}
else if (choose_mat < 0.95f)
{
// metal
list.add( new Sphere(center, 0.2f,
new Metal(vec3(0.5f*(1.0f + getRandom()), 0.5f*(1.0f + getRandom()), 0.5f*(1.0f + getRandom())), /*roughness*/ 0.5f*getRandom())));
}
else
{
// glass
list.add( new Sphere(center, 0.2f, new Dielectric(vec3(0.8f, 0.5f, 0.3f), /*refractive_index*/1.5f)) );
}
}
}
}
list.add( new Sphere(vec3(0, 1, 0), 1.0, new Dielectric(vec3(0.8f, 0.5f, 0.3f), /*refractive_index*/1.5f)) );
list.add( new Sphere(vec3(-4, 1, 0), 1.0, new Lambertian(vec3(0.0, 0.2, 0.9))) );
list.add( new Sphere(vec3(4, 1, 0), 1.0, new Metal(vec3(0.7, 0.6, 0.5), 0.0)) );
m_tree.init(list.list(), 0, 0);
}
int main(int argc, char* argv[])
{
::glfwSetErrorCallback(errorCallback);
auto result = ::glfwInit();
if (!result) {
assert(false);
return 1;
}
::glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
::glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
auto window = ::glfwCreateWindow(
WIDTH,
HEIGHT,
TITLE,
NULL, NULL);
if (!window) {
::glfwTerminate();
assert(false);
return 1;
}
#if 0
::glfwSetWindowCloseCallback(
window,
closeCallback);
::glfwSetKeyCallback(
window,
keyCallback);
::glfwSetMouseButtonCallback(
window,
mouseCallback);
::glfwSetCursorPosCallback(
window,
motionCallback);
::glfwSetScrollCallback(
window,
wheelCallback);
#endif
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
SetCurrentDirectoryFromExe();
// TODO
Rand::Init(0);
#ifdef ENABLE_RANDOM_SCENE
HitableList* world = new HitableList();
random_scene(world);
vec3 lookfrom(13, 2, 3);
vec3 lookat(0, 0, 0);
#else
hitable *list[5];
float R = cos(_MATH_PI / 4);
list[0] = new sphere(vec3(0, 0, -1), 0.5, new lambertian(vec3(0.1, 0.2, 0.5)));
list[1] = new sphere(vec3(0, -100.5, -1), 100, new lambertian(vec3(0.8, 0.8, 0.0)));
list[2] = new sphere(vec3(1, 0, -1), 0.5, new metal(vec3(0.8, 0.6, 0.2), 1.0));
list[3] = new sphere(vec3(-1, 0, -1), 0.5, new dielectric(1.5));
//list[4] = new sphere(vec3(-1, 0, -1), -0.45, new dielectric(1.5));
HitableList* world = new HitableList();
world->add(list[0]);
world->add(list[1]);
world->add(list[2]);
world->add(list[3]);
vec3 lookfrom(0, 0, 1);
vec3 lookat(0, 0, -1);
#endif
float dist_to_focus = 10.0;
float aperture = 0.1;
camera cam(
lookfrom,
lookat,
vec3(0, 1, 0),
60, // vfov
float(nx) / float(ny), // aspect
aperture,
dist_to_focus);
Init();
while (!glfwWindowShouldClose(window)) {
display(world, cam);
::glfwSwapBuffers(window);
::glfwPollEvents();
}
::glfwDestroyWindow(window);
::glfwTerminate();
return 1;
}
void RayTracer::createSceneOne(HitableList& world, bool loadBunny)
{
Camera& camera = m_cameraSystem.getCurrentCamera();
camera.setFieldOfViewDeg(44.6f);
//camera.setPosition(vec3(0.698890f, 1.275992f, 6.693169f));
//camera.setYaw(Math::toRadians(188.0f));
//camera.setPitch(Math::toRadians(-7.744f));
//camera.setAperture(0.3f);
//camera.setFocusDistance(7.6f);
camera.setPosition(vec3(-0.16f, 2.9664f, 14.8691f));
camera.setYaw(Math::toRadians(178.560333f));
camera.setPitch(Math::toRadians(-10.8084f));
camera.setAperture(0.07f);
camera.setFocusDistance(14.763986f);
// A big light
world.add(
new Sphere(vec3(0.0f, 6.0f, -1.0f), 2.0f,
new Light(vec3(4.0f, 4.0f, 4.0f)))
);
// A small light
world.add(
new Sphere(vec3(0.85, 0.3, -0.15f), 0.1f,
new Light(vec3(16.0f, 16.0f, 16.0f)))
);
// A ball
world.add(
new Sphere(vec3(0, 0, -1), 0.5f,
new Lambertian(vec3(0.8f, 0.3f, 0.3f)))
);
// The planet
world.add(
new Sphere(vec3(0, -100.5f, -1), 100.0f,
new Lambertian(vec3(0.0f, 0.7f, 0.8f)))
);
// Metal balls
world.add(
new Sphere(vec3(1, 0, -1), 0.5f,
new Metal(vec3(0.8f, 0.6f, 0.2f), /*roughness*/0.0f))
);
world.add(
new Sphere(vec3(-0.5f, 0.65f, -1), 0.4f,
new Metal(vec3(0.8f, 0.4f, 0.8f), /*roughness*/0.3f))
);
// Dielectric
world.add(
new Sphere(vec3(-1, 0, -1), 0.5f,
new Dielectric(vec3(0.8f, 0.5f, 0.3f), /*refractive_index*/1.5f))
);
world.add(
new Sphere(vec3(-3.15f, 0.1f, -5), 0.6f,
new Lambertian(vec3(0.05f, 0.2f, 0.8f)))
);
///////////////////
auto bunny = new Mesh(0);
if (loadBunny)
bunny->loadModel("./data/models/bunny.obj");
else bunny->generateBox();
world.add(bunny);
m_tree.init(world.list(), 0, 0);
}