std::vector<Pixel> const
Scene::render() const
{
std::vector<Pixel> rendered;
Raytracer rt;
std::shared_ptr<Camera> rcam(rcam_);
double d(rcam->calc_distance(resx_));
for(unsigned short y = 0 ; y < resy_ ; y++)
{
for(unsigned short x = 0 ; x < resx_ ; x++)
{
Pixel p(x,y);
double viewx,viewy;
if(resx_ % 2 == 0) viewx = -resx_/2 + x;
else viewx = (-resx_ + 1)/2 + x;
if(resy_ % 2 == 0) viewy = -resy_/2 + y;
else viewy = (-resy_ + 1)/2 + y;
math3d::Ray r(rcam->cast_ray(viewx,viewy,d));
p.color = rt.trace(r,shapes_,lights_);
rendered.push_back(p);
}
}
return rendered;
}
int main(int argc,char** argv)
{
Raytracer* raytraceDemo = new Raytracer();
raytraceDemo->initPhysics();
raytraceDemo->setCameraDistance(6.f);
return glutmain(argc, argv,screenWidth,screenHeight,"Minkowski-Sum Raytracer Demo",raytraceDemo);
}
int main(int argc,char** argv)
{
Raytracer* raytraceDemo = new Raytracer();
raytraceDemo->initPhysics();
raytraceDemo->setCameraDistance(6.f);
return glutmain(argc, argv,640,640,"Bullet GJK Implicit Shape Raytracer Demo",raytraceDemo);
}
int main(int argc, char **argv)
{
string scenefile; //If aren't specified, it will render the default scene with only a cube
string outfilename("scenes/default_output.bmp"); //NOTE: here we only support bmp output
string outfilename_depth("scenes/default_depth_output.bmp");
// Scene filename specified
if (argc > 1)
{
scenefile = string(argv[1]);
int dot = scenefile.find_last_of('.');
outfilename = scenefile.substr(0, dot) + "_output.bmp";
outfilename_depth = scenefile.substr(0, dot) + "_depth_output.bmp";
}
std::cout << "Rendering " << (scenefile.empty() ? "default scene" : scenefile) << std::endl;
std::cout << "Output to " << outfilename << std::endl;
Raytracer raytracer;
if (scenefile.empty())
{
//render default scene
raytracer.render(
outfilename.c_str(),
outfilename_depth.c_str(),
Scene()
);
}
else
{
// Parse the scene file
Parser parser(new std::ifstream(scenefile.c_str()));
if (!parser.parse()) {
puts("Scene file can't be parsed. Use default scene.");
raytracer.render(
outfilename.c_str(),
outfilename_depth.c_str(),
Scene()
);
}
else
{
// Render the input scene with our raytracer.
raytracer.render(
outfilename.c_str(),
outfilename_depth.c_str(),
parser.scene
);
}
}
// Use if you're running visual studio
// system("pause");
return 0;
}
void Scene::raytrace()
{
camera.setWidthAndHeight(screen.getWidth(), screen.getHeight());
srand ( time(NULL) );
int numberOfPixels = screen.getWidth() * screen.getHeight();
double spp = (double) samplesPerPixel;
double invSpp = 1.0 / spp;
if (traceType == RAY) {
cout << "Raytracing\n";
} else if (traceType == PATH) {
cout << "Pathtracing\n";
}
cout << "Samples per pixel: " << samplesPerPixel << "\n";
cout << "Indirect lighting: ";
if (indirectLighting == true) {
cout << "on\n";
} else {
cout << "off\n";
}
cout << "Direct lighting: ";
if (directLighting == true) {
cout << "on\n";
} else {
cout << "off\n";
}
Raytracer tracer = Raytracer(this);
#pragma omp parallel for
for (int i = 0; i < numberOfPixels; i++) {
Ray ray;
dvec3 color;
dvec3 totalColor = dvec3(0.0f);
int x = i % screen.getWidth();
int y = i / screen.getWidth();
float t = 0;
Sample sample;
Sampler sampler = Sampler(x, y, samplesPerPixel, samplerType);
while (sampler.hasSamples() != false) {
sample = sampler.getSample();
camera.generateRay(ray,sample.x,sample.y, t);
t += invSpp;
color = tracer.pathTraceRay(ray, 0, 1.0f, 0);
totalColor += color;
}
totalColor /= spp;
screen.writePixel(totalColor,x,y);
}
screen.saveScreenshot(("testscenes/" + outputFilename).c_str());
}
void runCoordinator(igcl::Coordinator * coord)
{
Raytracer raytracer;
raytracer.setupScene(); // setup scene objects
::raytracer = &raytracer;
::coord = coord;
coord->start();
coord->waitForNodes(nParticipants);
th = new std::thread(runThread);
th->detach();
image = new BmpImage(IMAGE_WIDTH, IMAGE_HEIGHT);
imageSize = IMAGE_HEIGHT*IMAGE_WIDTH;
for (int i=0; i<nTests; i++) {
countJobs = 0;
std::unique_lock<std::mutex> bufferLock(bufferingAccessMutex);
igcl::NBuffering buf(bufferingLevel, imageSize, blockSize, sendJob);
buffering = &buf;
buffering->addPeers(coord->downstreamPeers());
buffering->addPeer(0);
bufferLock.unlock();
timeval iniTime;
start(iniTime);
bufferLock.lock();
buffering->bufferToAll();
bufferLock.unlock();
while (1) {
//cout << "lock buffering->allJobsCompleted()" << endl;
bufferLock.lock();
//cout << buffering->allJobsCompleted() << " " << buffering->getNCompletedJobs() << endl;
if (buffering->allJobsCompleted()) {
bufferLock.unlock();
break;
}
bufferLock.unlock();
receiveResult();
}
cout << "count: " << countJobs << endl;
finish(iniTime);
}
coord->terminate();
}
void RaytracerApplication::handle_event( const SDL_Event& event )
{
int width, height;
if ( !raytracing ) {
camera_control.handle_event( this, event );
}
switch ( event.type )
{
case SDL_KEYDOWN:
switch ( event.key.keysym.sym )
{
case KEY_RAYTRACE:
get_dimension( &width, &height );
toggle_raytracing( width, height );
break;
case KEY_SEND_PHOTONS:
raytracer.initialize(&scene, options.num_samples, 0, 0);
queue_render_photon=true;
case KEY_SCREENSHOT:
output_image();
break;
default:
break;
}
default:
break;
}
}
void RaytracerApplication::update( real_t delta_time )
{
if ( raytracing ) {
// do part of the raytrace
if ( !raytrace_finished ) {
assert( buffer );
raytrace_finished = raytracer.raytrace( buffer, &delta_time );
} else {
raytracer.progressive_photon_mapping(buffer, &delta_time);
}
} else {
// copy camera over from camera control (if not raytracing)
camera_control.update( delta_time );
scene.camera = camera_control.camera;
}
}
void RaytracerApplication::toggle_raytracing( int width, int height )
{
assert( width > 0 && height > 0 );
// do setup if starting a new raytrace
if ( !raytracing ) {
// only re-allocate if the dimensions changed
if ( buf_width != width || buf_height != height )
{
free( buffer );
buffer = (unsigned char*) malloc( BUFFER_SIZE( width, height ) );
if ( !buffer ) {
std::cout << "Unable to allocate buffer.\n";
return; // leave untoggled since we have no buffer.
}
buf_width = width;
buf_height = height;
}
// initialize the raytracer (first make sure camera aspect is correct)
scene.camera.aspect = real_t( width ) / real_t( height );
if (!raytracer.initialize(&scene, options.num_samples, width, height))
{
std::cout << "Raytracer initialization failed.\n";
return; // leave untoggled since initialization failed.
}
// reset flag that says we are done
raytrace_finished = false;
}
raytracing = !raytracing;
}
void RaytracerApplication::toggle_raytracing( int width, int height )
{
assert( width > 0 && height > 0 );
if ( !raytracing ) {
if ( buf_width != width || buf_height != height ) {
free( buffer );
buffer = (unsigned char*) malloc( BUFFER_SIZE( width, height ) );
if ( !buffer ) {
std::cout << "Unable to allocate buffer.\n";
return;
}
buf_width = width;
buf_height = height;
}
scene.camera.aspect = real_t( width ) / real_t( height );
if ( !raytracer.initialize( &scene, width, height ) ) {
std::cout << "Raytracer initialization failed.\n";
return;
}
raytrace_finished = false;
}
raytracing = !raytracing;
}
Color Reflective::shade(Raytracer &tracer, HitInfo &info) {
//direct lights from Phong
Color directColor = directLight.shade(tracer, info);
//calculate ray to camera and create an instance of Ray
Vector3 toCam = -info.ray.getDirection();
Vector3 reflDir = Vector3::reflect(toCam, info.normal);
Ray reflRay = Ray(info.hitPoint, reflDir);
//trace it!
Color traced = tracer.shadeRay(*(info.scene), reflRay);
return directColor + traced * reflectionColor * reflectivity;
}
int main(int argc, char* argv[]) {
char* input_filename;
char* output_filename;
int height, width;
if (argc > 5) {
input_filename = argv[2];
output_filename = argv[3];
width = atoi(argv[4]);
height = atoi(argv[5]);
} else {
cout<<"Error, not called with correct arguments."<<endl;
cout<<"./start_trace input_file output_file width height"<<endl;
return 1;
}
Raytracer r;
r.ray_trace_start(input_filename,output_filename,width,height);
return 0;
}
void runPeer(igcl::Peer * peer)
{
peer->start();
Raytracer raytracer;
raytracer.setupScene(); // setup scene objects
timeval globalIni, end;
gettimeofday(&globalIni, NULL);
imageSize = IMAGE_HEIGHT*IMAGE_WIDTH;
while (1)
{
uint startIndex = 0;
igcl::result_type res = peer->waitRecvFrom(0, startIndex);
if (res != igcl::SUCCESS)
break;
//std::cout << "received " << startIndex << endl;
uint nIndexes = std::min(blockSize, imageSize-startIndex);
uint endIndex = startIndex + nIndexes;
color_s_char array[nIndexes];
for (uint i=startIndex; i<endIndex; ++i) {
int row = i / IMAGE_WIDTH;
int col = i % IMAGE_WIDTH;
const color_s & c = raytracer.castRayFromScreen(row, col); // calculate color of pixel (CPU-HEAVY)
array[i-startIndex] = color_s_char(c);
}
peer->sendTo(0, array+0, nIndexes);
}
gettimeofday(&end, NULL);
cout << "total time:\t" << timeDiff(globalIni, end) << " ms\n";
peer->hang();
}
void runCoordinator(igcl::Coordinator * node)
{
const uint blockSize = 10000;
Raytracer raytracer;
raytracer.setupScene(); // setup scene objects
for (int t=0; t<30; t++) {
timeval iniTime;
start(iniTime);
//#pragma omp parallel for num_threads(N_THREADS)
#pragma omp parallel for schedule(dynamic, 10000) num_threads(N_THREADS)
for (uint i=0; i<imageSize; i++)
{
int row = i / IMAGE_WIDTH;
int col = i % IMAGE_WIDTH;
color_s c = raytracer.castRayFromScreen(row, col); // calculate color of pixel (CPU-HEAVY)
image->setPixel(row, col, c.r, c.g, c.b);
}
finish(iniTime);
}
}
int main(int argc, char *argv[])
{
cout << "Computer Graphics and Scientific Visualization - Raytracer" << endl << endl;
if (argc < 2 || argc > 5) {
cerr << "Usage: " << argv[0] << " in-file [out-file.png] [width] [height]" << endl;
return 1;
}
Raytracer raytracer;
if (!raytracer.readScene(argv[1])) {
cerr << "Error: reading scene from " << argv[1] << " failed - no output generated."<< endl;
return 1;
}
std::string ofname;
if (argc>=3) {
ofname = argv[2];
} else {
ofname = argv[1];
if (ofname.size()>=5 && ofname.substr(ofname.size()-5)==".yaml") {
ofname = ofname.substr(0,ofname.size()-5);
}
ofname += ".png";
}
// read width and height arguments
int w = 400;
int h = 400;
if (argc>=5) {
w = atoi(argv[3]);
h = atoi(argv[4]);
}
raytracer.renderToFile(ofname, w, h);
return 0;
}
void dofDemo(Raytracer& raytracer, Material& glass, Material& jade, Material& gold, Material& weird, Material& shiny ){
// Defines a point light source.
raytracer.setAmbientLight(Colour(0.9, 0.9, 0.9));
raytracer.addLightSource( new PointLight(Point3D(0, 0, 5),
Colour(0.9, 0.9, 0.9)) );
raytracer.addLightSource( new PointLight(Point3D(0, 5, -5),
Colour(0.4, 0.4, 0.4)) );
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* sphere2 = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* sphere3 = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* sphere4 = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* sphere5 = raytracer.addObject( new UnitSphere(), &gold );
// Apply some transformations to the unit square.
raytracer.translate(sphere , Vector3D(-3 , -1 , -5));
raytracer.translate(sphere2, Vector3D(-1.5, -0.5, -7));
raytracer.translate(sphere3, Vector3D( 0 , -0 , -9));
raytracer.translate(sphere4, Vector3D( 1.5, 0.5, -11));
raytracer.translate(sphere5, Vector3D( 3 , 1 , -13));
}
void Worker::Render(void)
{
QTime timer;
timer.start();
Raytracer R;
if(!R.loadScene(filePath)){
emit renderInvalid();
return;
}
float setupTime = (float)timer.elapsed() / 1000.0f;
Log::writeLine("Setup Time: " + Log::floatToString(setupTime));
timer.restart();
image = new QImage(R.getWidth(), R.getHeight(), QImage::Format_ARGB32);
img = new UIimage("image", R.getWidth(), R.getHeight(), image->bits());
emit imageReady(img);
manager = new Manager(threads, blocks, img, &R);
manager->setEventHandler(handler);
if(!interrupted)
manager->Render();
float renderTime = (float)timer.elapsed() / 1000.0f;
Log::writeLine("Render Time: " + Log::floatToString(renderTime));
image->save("image.png", "PNG");
if(interrupted)
emit renderInterrupted();
else
emit renderComplete();
}
int main(int argc, char* argv[])
{
// Build your scene and setup your camera here, by calling
// functions from Raytracer. The code here sets up an example
// scene and renders it from two different view points, DO NOT
// change this if you're just implementing part one of the
// assignment.
Raytracer raytracer;
int width = 320;
int height = 240;
int aa = 2;
int sceneNum = 0;
double toRadian = 2*M_PI/360.0;
fprintf(stderr, "Using options:\n");
#ifdef USE_EXTENDEDLIGHTS
fprintf(stderr, "\tExtended light sources\n");
#else
fprintf(stderr, "\tPoint light sources\n");
#endif
#ifdef USE_REFRACTIONS
fprintf(stderr, "\tRefractions\n");
#else
fprintf(stderr, "\tNo refractions\n");
#endif
#ifdef USE_REFLECTIONS
fprintf(stderr, "\tReflections\n");
#else
fprintf(stderr, "\tNo reflections\n");
#endif
#ifdef IGNORE_SHADOWS
fprintf(stderr, "\tNo shadows\n");
#else
{
#ifdef USE_TRANSMISSIONSHADOWS
fprintf(stderr, "\tTransmission-based shadows\n");
#else
fprintf(stderr, "\tSimple shadows\n");
#endif
}
#endif
#ifdef USE_FINERFLUX
fprintf(stderr, "\tFiner numerical flux intergrations\n");
#else
fprintf(stderr, "\tCoarser numerical flux intergrations\n");
#endif
if (argc == 3) {
width = atoi(argv[1]);
height = atoi(argv[2]);
} else if (argc == 4) {
width = atoi(argv[1]);
height = atoi(argv[2]);
aa = atoi(argv[3]);
} else if (argc == 5) {
width = atoi(argv[1]);
height = atoi(argv[2]);
aa = atoi(argv[3]);
sceneNum = atoi(argv[4]);
}
// SceneNum should not exceed total scenes
if ((sceneNum > 3)|| (sceneNum <0)) {
sceneNum = 0;
}
// Camera parameters.
Point3D eye(0, 0, 1);
Vector3D view(0, 0, -1);
Vector3D up(0, 1, 0);
double fov = 60;
// Defines materials for shading.
Material gold( Colour(0.3, 0.3, 0.3), Colour(0.75164, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2, 0.001, 0.0, 1/2.4 );
Material jade( Colour(0.22, 0.38, 0.33), Colour(0.52, 0.73, 0.57),
Colour(0.316228, 0.316228, 0.316228),
12.8, 0.2 , 0.0, 0.0 );
Material polishedGold( Colour(0.24725, 0.2245, 0.0645), Colour(0.34615, 0.3143, 0.0903),
Colour(0.797357, 0.723991, 0.208006), 83.2, 0.01,0.0,0.0);
Material glass( Colour(0.15, 0.15, 0.15), Colour(0.08, 0.08, 0.08),
Colour(0.2, 0.2, 0.2), 50.1,0.08,0.9,0.6667 );
Material glass1( Colour(0.2, 0.2, 0.2), Colour(0.2, 0.2, 0.2),
Colour(0.7, 0.7, 0.7), 10.1,0.03,0.9,0.6667 );
Material steel( Colour(0.1, 0.1, 0.1), Colour(0.1, 0.1, 0.1),
Colour(0.8, 0.8, 0.8), 80, 0.03, 0.0, 1.0 );
Material blueSolid( Colour(0, 0, 1), Colour(0, 0, 1),
Colour(0, 0, 0), 0, 0.0, 0.0, 1.0 );
Material redSolid( Colour(1, 0, 0), Colour(1, 0, 0),
Colour(0, 0, 0), 0, 0.0, 0.0, 1.0 );
Material chrome( Colour(0.25, 0.25, 0.25), Colour(0.4,0.4,0.4),
Colour(0.7746, 0.7746, 0.7746), 77, 0.42, 0.0, 1.0);
Material ruby( Colour(0.1745, 0.01175, 0.01175), Colour(0.61424, 0.04136, 0.04136),
Colour(0.727811, 0.626959, 0.626959) , 76.8, 0.01, 0.0, 0.565);
Material pearl( Colour(0.25, 0.20725, 0.20725), Colour(1, 0.829, 0.829),
Colour(0.296648, 0.296648, 0.296648), 11.264, 0.1,0.0,1.0 );
Material silver(Colour(0.23125, 0.23125, 0.23125), Colour(0.2775, 0.2775, 0.2775),
Colour(0.773911, 0.773911, 0.773911), 89.6, 0.4,0.0, 1.0);
Material emerald(Colour(0.0215, 0.1745, 0.0215),Colour(0.07568, 0.61424, 0.07568),
Colour(0.633, 0.727811, 0.633), 76.8, 0.1, 0.25, 0.637);
Material brass(Colour(0.329412, 0.223529, 0.027451),Colour(0.780392, 0.568627, 0.113725),
Colour(0.992157, 0.941176, 0.807843),27.8974, 0.3, 0.0, 1.0 );
Material bronze(Colour(0.2125, 0.1275, 0.054), Colour(0.714, 0.4284, 0.18144),
Colour(0.393548, 0.271906, 0.166721), 25.6, 0.1, 0.0, 1.0 );
Material bronzeShiny(Colour(0.25, 0.148, 0.06475), Colour(0.4, 0.2368, 0.1036),
Colour(0.774597, 0.458561, 0.200621), 76.86, 0.15, 0.0, 1.0 );
Material turquoise(Colour(0.1, 0.18725, 0.1745), Colour(0.396, 0.74151, 0.69102),
Colour(0.297254, 0.30829, 0.306678), 12.8, 0.01, 0.2, 0.9);
Material obsidian(Colour(0.05375, 0.05, 0.06625), Colour(0.18275, 0.17, 0.22525),
Colour(0.332741, 0.328634, 0.346435), 38.4, 0.05, 0.18, 0.413);
Material copper(Colour(0.19125, 0.0735, 0.0225), Colour(0.7038, 0.27048, 0.0828),
Colour(0.256777, 0.137622, 0.086014), 12.8, 0.1, 0.0, 1.0 );
Material copperPolished(Colour(0.2295, 0.08825, 0.0275), Colour(0.5508, 0.2118, 0.066),
Colour(0.580594, 0.223257, 0.0695701), 51.2, 0.15, 0.0, 1.0 );
Material pewter(Colour(0.105882, 0.058824, 0.113725), Colour(0.427451, 0.470588, 0.541176),
Colour(0.333333, 0.333333, 0.521569), 9.84615, 0.0, 0.0, 1.0 );
// Light Sources
//=====================
//raytracer.addLightSource( new PointLight(Point3D(1, 1, 2),Colour(0.5, 0.5, 0.5)) );
#ifdef USE_EXTENDEDLIGHTS
// Defines a ball light source
raytracer.addLightSource( new BallLight(Point3D(-1, 1, 1),
2.0, Colour(0.9, 0.9, 0.9), 4) );
#else
// Defines a point light source.
raytracer.addLightSource( new PointLight(Point3D(0, 0, 5),
Colour(0.9, 0.9,0.9) ) );
#endif
if (sceneNum==0) {
// Defines a point light source.
//raytracer.addLightSource( new PointLight(Point3D(0, 0, 5),
// Colour(0.9, 0.9, 0.9) ) );
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &gold);
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &jade );
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 1.0 };
double factor3[3] = { 4.0, 4.0, 4.0 };
double factor4[3] = { 3.7, 3.7, 3.7 };
raytracer.translate(sphere, Vector3D(0, 0, -5));
raytracer.rotate(sphere, 'x', -45);
raytracer.rotate(sphere, 'z', 45);
raytracer.scale(sphere, Point3D(0, 0, 0), factor1);
raytracer.translate(plane, Vector3D(0, 0, -7));
raytracer.rotate(plane, 'z', 45);
raytracer.scale(plane, Point3D(0, 0, 0), factor2);
/*
SceneDagNode* bigSphere = raytracer.addObject( new UnitSphere(), &glass1);
raytracer.scale(bigSphere, Point3D(0, 0, 0), factor3);
raytracer.translate(bigSphere, Vector3D(0, 0, -7));
SceneDagNode* bigSphere2 = raytracer.addObject( new UnitSphere(), &glass1);
raytracer.scale(bigSphere2, Point3D(0, 0, 0), factor4);
raytracer.translate(bigSphere2, Vector3D(0, 0, -7));
*/
}// end of scene 0
if (sceneNum==1) {
/*
raytracer.addLightSource( new BallLight(Point3D(-1, 1, 1),
5.0, Colour(0.9, 0.9, 0.9), 0.888) );
raytracer.addLightSource( new PointLight(Point3D(0, 0, 2),Colour(0.5, 0.5, 0.5)) );
*/
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &glass);
SceneDagNode* sphere1 = raytracer.addObject( new UnitSphere(), &brass);
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &jade);
SceneDagNode* cylinder = raytracer.addObject( new UnitCylinder(), &brass);
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 1.0 };
double factor3[3] = { 0.5, 0.5, 2.0 };
raytracer.translate(sphere, Vector3D(0, 0, -5));
raytracer.rotate(sphere, 'x', -45);
raytracer.rotate(sphere, 'z', 45);
raytracer.scale(sphere, Point3D(0, 0, 0), factor1);
raytracer.translate(sphere1, Vector3D(-2.5, 0, -5));
raytracer.translate(plane, Vector3D(0, 0, -7));
raytracer.rotate(plane, 'z', 45);
raytracer.scale(plane, Point3D(0, 0, 0), factor2);
raytracer.translate(cylinder, Vector3D(3, 0, -5));
//raytracer.rotate(cylinder, 'y', -20);
raytracer.rotate(cylinder, 'z', 45);
raytracer.rotate(cylinder, 'x', -75);
raytracer.scale(cylinder, Point3D(0, 0, 0), factor3);
}// end of scene1
//=============== Scene 2 ==============================
//=====================================================
if(sceneNum == 2) {
/*
raytracer.addLightSource( new BallLight(Point3D(-1, 1, 1),
5.0, Colour(0.9, 0.9, 0.9), 0.888) );*/
//raytracer.addLightSource( new PointLight(Point3D(0, 0, 2),Colour(0.5, 0.5, 0.5)) );
//Set up walls
//========================================================
SceneDagNode* planeBack = raytracer.addObject( new UnitSquare(), &brass);
SceneDagNode* planeBottom = raytracer.addObject( new UnitSquare(), &chrome);
SceneDagNode* planeTop = raytracer.addObject( new UnitSquare(), &copperPolished);
SceneDagNode* planeLeft = raytracer.addObject( new UnitSquare(), &bronzeShiny);
SceneDagNode* planeRight = raytracer.addObject( new UnitSquare(), &brass);
SceneDagNode* planeRear = raytracer.addObject( new UnitSquare(), &brass);
double scaleFactor[3] = {8.0,8.0,1.0};
double scaleFactor1[3] = {20.01,20.01,1.0};
raytracer.translate(planeBottom, Vector3D(0, -10, 0));
raytracer.translate(planeTop, Vector3D(0, 10, 0));
raytracer.translate(planeLeft, Vector3D(-10, 0, 0));
raytracer.translate(planeRight, Vector3D(10, 0, 0));
raytracer.translate(planeBack, Vector3D(0, 0, -19.9));
raytracer.translate(planeBottom, Vector3D(0, 0, -10));
raytracer.translate(planeTop, Vector3D(0, 0, -10));
raytracer.translate(planeLeft, Vector3D(0, 0, -10));
raytracer.translate(planeRight, Vector3D(0, 0, -10));
raytracer.translate(planeRear, Vector3D(0, 0, 20));
raytracer.rotate(planeTop, 'x', 90);
raytracer.rotate(planeBottom, 'x',-90);
raytracer.rotate(planeLeft, 'y', -90);
raytracer.rotate(planeRight, 'y', 90);
raytracer.rotate(planeRear, 'x', 180);
raytracer.scale(planeBack, Point3D(0, 0, 0), scaleFactor1);
raytracer.scale(planeBottom, Point3D(0, 0, 0), scaleFactor1);
raytracer.scale(planeTop, Point3D(0, 0, 0), scaleFactor1);
raytracer.scale(planeLeft, Point3D(0, 0, 0), scaleFactor1);
raytracer.scale(planeRight, Point3D(0, 0, 0), scaleFactor1);
raytracer.scale(planeRear, Point3D(0, 0, 0), scaleFactor1);
//===========================================================
double scaleEgg[3] = { 1.0, 1.5, 1.0 };
double scaleBall[3] = {2,2,2};
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &glass1);
SceneDagNode* sphere1 = raytracer.addObject( new UnitSphere(), &ruby);
SceneDagNode* sphere2 = raytracer.addObject( new UnitSphere(), &chrome);
//SceneDagNode* cone = raytracer.addObject(sphere, new UnitCone(), &emerald);
//raytracer.translate(cone, Vector3D(0,0,-2));
raytracer.translate(sphere, Vector3D(-1,-1,-11));
raytracer.scale(sphere, Point3D(0,0,0), scaleBall);
raytracer.translate(sphere1, Vector3D(2.5,-1,-11));
raytracer.translate(sphere2, Vector3D(2,3,-11));
//raytracer.translate(cone, Vector3D(-1,-1,-12));
raytracer.rotate(sphere1, 'z', -45);
raytracer.scale(sphere1, Point3D(0,0,0), scaleEgg);
//raytracer.rotate(cone, 'x', 90);
}//end of scene 2
//==================== Scene 3 =================
//===============================================
if(sceneNum == 3) {
#ifdef USE_EXTENDEDLIGHTS
raytracer.addLightSource( new BallLight(Point3D(-5, 5, -3),
2.0, Colour(0.4, 0.4, 0.4), 2) );
raytracer.addLightSource( new BallLight(Point3D(5, 5, -3),
2.0, Colour(0.4, 0.4, 0.4), 2) );
#else
raytracer.addLightSource( new PointLight(Point3D(-5, 5, 0),
Colour(0.5, 0.0, 0.0) ) );
raytracer.addLightSource( new PointLight(Point3D(5, 5, 0),
Colour(0.0, 0.5, 0.0) ) );
raytracer.addLightSource( new PointLight(Point3D(0, -5, 0),
Colour(0.0, 0.0, 0.5) ) );
#endif
double planeScale[3] = {10.0, 10.0, 1.0};
double sphereScale[3]= {1.5,1.5,1.5};
double coneScale[3] = {1.5,1.5,5};
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &pearl);
SceneDagNode* sphere1 = raytracer.addObject( new UnitSphere(), &chrome);
SceneDagNode* sphere2 = raytracer.addObject( new UnitSphere(), &brass);
//SceneDagNode* cone = raytracer.addObject( new UnitCone(), &turquoise);
raytracer.translate(sphere1, Vector3D(1, 1.5, -6.5));
raytracer.translate(sphere2, Vector3D(-1, -1.5, -6.5));
raytracer.scale(sphere2, Point3D(0,0,0), sphereScale);
raytracer.scale(sphere1, Point3D(0,0,0), sphereScale);
raytracer.rotate(plane, 'z', 45);
raytracer.scale(plane, Point3D(0,0,0), planeScale);
raytracer.translate(plane, Vector3D(0, 0, -8));
/*
raytracer.translate(cone, Vector3D(2.0,-1.0,-3));
raytracer.rotate(cone, 'x', 180);
raytracer.scale(cone, Point3D(0,0,0), coneScale); */
}
// Render the scene, feel free to make the image smaller for
// testing purposes.
raytracer.render(width, height, eye, view, up, fov, aa, "sig1.bmp", 's');
//raytracer.render(width, height, eye, view, up, fov, aa, "diffuse1.bmp",'d');
//raytracer.render(width, height, eye, view, up, fov, aa, "view1.bmp",'p');
// Render it from a different point of view.
Point3D eye2(4, 2, 1);
Vector3D view2(-4, -2, -6);
raytracer.render(width, height, eye2, view2, up, fov, aa, "sig2.bmp", 's');
//raytracer.render(width, height, eye2, view2, up, fov, aa, "diffuse2.bmp",'d');
//raytracer.render(width, height, eye2, view2, up, fov, aa, "view2.bmp",'p');
Point3D eye3(-4, -2, 1);
Vector3D view3(4, 2, -6);
raytracer.render(width, height, eye3, view3, up, fov, aa, "sig3.bmp", 's');
//raytracer.render(width, height, eye3, view3, up, fov, aa, "diffuse3.bmp",'d');
raytracer.render(width, height, eye3, view3, up, fov, aa, "view3.bmp",'p');
return 0;
}
int main(int argc, char* argv[])
{
// Build your scene and setup your camera here, by calling
// functions from Raytracer. The code here sets up an example
// scene and renders it from two different view points, DO NOT
// change this if you're just implementing part one of the
// assignment.
Raytracer raytracer;
int width = 320;
int height = 240;
if (argc == 3) {
width = atoi(argv[1]);
height = atoi(argv[2]);
}
// Camera parameters.
Point3D eye(0., 0., 1.);
Vector3D view(0., 0., -1.);
Vector3D up(0., 1., 0.);
double fov = 60;
// Defines a material for shading.
Material::Ptr gold = std::make_shared<Material>( Colour(0.3, 0.3, 0.3), Colour(0.75164, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2 );
Material::Ptr jade = std::make_shared<Material>( Colour(0, 0, 0), Colour(0.54, 0.89, 0.63),
Colour(0.316228, 0.316228, 0.316228),
12.8 );
// Defines a point light source.
raytracer.addLightSource( std::make_shared<PointLight>(Point3D(0., 0., 5.),
Colour(0.9, 0.9, 0.9) ) );
// Add a unit square into the scene with material mat.
SceneDagNode::Ptr sphere = raytracer.addObject( std::make_shared<UnitSphere>(), gold );
SceneDagNode::Ptr plane = raytracer.addObject( std::make_shared<UnitSquare>(), jade );
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 6.0 };
raytracer.translate(sphere, Vector3D(0., 0., -5.));
raytracer.rotate(sphere, 'x', -45);
raytracer.rotate(sphere, 'z', 45);
raytracer.scale(sphere, Point3D(0., 0., 0.), factor1);
raytracer.translate(plane, Vector3D(0., 0., -7.));
raytracer.rotate(plane, 'z', 45);
raytracer.scale(plane, Point3D(0., 0., 0.), factor2);
// Render the scene, feel free to make the image smaller for
// testing purposes.
raytracer.render(width, height, eye, view, up, fov, "view1.bmp");
// Render it from a different point of view.
Point3D eye2(4., 2., 1.);
Vector3D view2(-4., -2., -6.);
raytracer.render(width, height, eye2, view2, up, fov, "view2.bmp");
return 0;
}
void View::drawSkeleton(bool drawTransparent) const
{
if (doc->mesh.balls.isEmpty()) return;
// draw model
if (drawTransparent)
{
// set depth buffer before so we never blend the same pixel twice
glClear(GL_DEPTH_BUFFER_BIT);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
doc->mesh.drawKeyBalls();
if (drawInterpolated) doc->mesh.drawInBetweenBalls();
else doc->mesh.drawBones();
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
// draw blended key balls and bones
glDepthFunc(GL_EQUAL);
glEnable(GL_BLEND);
glEnable(GL_LIGHTING);
doc->mesh.drawKeyBalls(0.25);
glColor4f(0.75, 0.75, 0.75, 0.25);
if (drawInterpolated) doc->mesh.drawInBetweenBalls();
else doc->mesh.drawBones();
glDisable(GL_LIGHTING);
glDisable(GL_BLEND);
glDepthFunc(GL_LESS);
}
else
{
// draw key balls and in-between balls
glEnable(GL_LIGHTING);
doc->mesh.drawKeyBalls();
glColor3f(0.75, 0.75, 0.75);
if (drawInterpolated) doc->mesh.drawInBetweenBalls();
else doc->mesh.drawBones();
glDisable(GL_LIGHTING);
}
// draw box around selected ball
if (selectedBall != -1)
{
const Ball &selection = doc->mesh.balls[selectedBall];
float radius = selection.maxRadius();
// enable line drawing
glDepthMask(GL_FALSE);
glEnable(GL_BLEND);
if (mode == MODE_ADD_JOINTS || mode == MODE_ANIMATE_MESH)
{
glDisable(GL_DEPTH_TEST);
glColor4f(0, 0, 0, 0.25);
drawWireCube(selection.center - radius, selection.center + radius);
glEnable(GL_DEPTH_TEST);
glColor3f(0, 0, 0);
drawWireCube(selection.center - radius, selection.center + radius);
// find the currently selected cube face and display the cursor
Raytracer tracer;
Vector3 ray = tracer.getRayForPixel(mouseX, mouseY);
HitTest result;
if (Raytracer::hitTestCube(selection.center - radius, selection.center + radius, currentCamera->eye, ray, result))
{
float size = (result.hit - currentCamera->eye).length() * CURSOR_SIZE / height();
Vector2 angles = result.normal.toAngles();
glColor3f(0, 0, 0);
glDisable(GL_DEPTH_TEST);
glPushMatrix();
glTranslatef(result.hit.x, result.hit.y, result.hit.z);
glRotatef(90 - angles.x * 180 / M_PI, 0, 1, 0);
glRotatef(-angles.y * 180 / M_PI, 1, 0, 0);
glScalef(size, size, size);
drawMoveCursor();
glPopMatrix();
glEnable(GL_DEPTH_TEST);
}
}
else if (mode == MODE_SCALE_JOINTS)
{
// display the cursor
Raytracer tracer;
Vector3 ray = tracer.getRayForPixel(mouseX, mouseY);
HitTest result;
if (Raytracer::hitTestSphere(selection.center, radius, currentCamera->eye, ray, result))
{
camera2D();
glColor3f(0, 0, 0);
glDisable(GL_DEPTH_TEST);
glTranslatef(mouseX, mouseY, 0);
glScalef(CURSOR_SIZE, CURSOR_SIZE, 0);
drawScaleCursor();
glEnable(GL_DEPTH_TEST);
camera3D();
}
Vector3 delta = currentCamera->eye - selection.center;
Vector2 angles = delta.toAngles();
// adjust the radius to the profile of the ball as seen from the camera
radius = radius / sinf(acosf(radius / delta.length()));
// draw a circle around the selected ball
radius *= 1.1;
glPushMatrix();
glTranslatef(selection.center.x, selection.center.y, selection.center.z);
glRotatef(90 - angles.x * 180 / M_PI, 0, 1, 0);
glRotatef(-angles.y * 180 / M_PI, 1, 0, 0);
glScalef(radius, radius, radius);
glDisable(GL_DEPTH_TEST);
glColor4f(0, 0, 0, 0.25);
drawWireDisk();
glEnable(GL_DEPTH_TEST);
glColor3f(0, 0, 0);
drawWireDisk();
glPopMatrix();
}
// disable line drawing
glDisable(GL_BLEND);
glDepthMask(GL_TRUE);
}
}
/**
* Wooden Monkey Scene 1
*/
void wmonkey_scene_1()
{
printf("WOODEN MONKEY SCENE : 1 ----------------------------------\n\n");
Raytracer rt;
int width = 16 * 20 * 2;
int height = 12 * 20 * 2;
// Camera parameters.
Point3D eye1(0, 0, 1), eye2(4, 2, 1);
Vector3D view1(0, 0, -1), view2(-4, -2, -6);
Vector3D up(0, 1, 0);
double fov = 60;
// Defines a material for shading.
Material gold( Colour(0.3, 0.3, 0.3), Colour(0.75164, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2, 0.8 );
Material jade( Colour(0, 0, 0), Colour(0.54, 0.89, 0.63),
Colour(0.316228, 0.316228, 0.316228),
12.8);
// Defines a point light source.
double l0c = 0.5;
PointLight * light0 = new PointLight(
Point3D(-2, 2, 5),
Colour(l0c, l0c, l0c),
0.2);
rt.addLightSource(light0);
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = rt.addObject( new UnitSphere(), &gold );
SceneDagNode* sphere2 = rt.addObject( new UnitSphere(), &gold );
SceneDagNode* plane = rt.addObject( new UnitSquare(), &jade );
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 6.0 };
rt.translate(sphere, Vector3D(0, 0, -5));
rt.rotate(sphere, 'x', -45);
rt.rotate(sphere, 'z', 45);
rt.scale(sphere, Point3D(0, 0, 0), factor1);
rt.translate(plane, Vector3D(0, 0, -7));
rt.rotate(plane, 'z', 45);
rt.scale(plane, Point3D(0, 0, 0), factor2);
double f[3] = { 0.5, 0.5, 0.5 };
rt.translate(sphere2, Vector3D(3, 0, -5));
rt.scale(sphere2, Point3D(0, 0, 0), f);
rt.setAAMode(Raytracer::AA_SUPER_SAMPLING);
rt.setShadingMode(Raytracer::SCENE_MODE_PHONG);
rt.setShadows(Raytracer::SHADOW_CAST);
rt.setEnvMapMode(Raytracer::ENV_MAP_CUBE_SKYBOX);
rt.setColorSpaceMode(Raytracer::COLOR_ENC_SRGB_GAMMA_CORRECT);
rt.setReflDepth(4);
if ( rt.getEnvMapMode() != Raytracer::NONE ) {
// load images
EnvMap env;
if ( _DEBUG ) {
env = EnvMap(
"EnvMaps/DebugMaps/posx.bmp",
"EnvMaps/DebugMaps/posy.bmp",
"EnvMaps/DebugMaps/posz.bmp",
"EnvMaps/DebugMaps/negx.bmp",
"EnvMaps/DebugMaps/negy.bmp",
"EnvMaps/DebugMaps/negz.bmp"
);
} else {
env = EnvMap(
"EnvMaps/SaintLazarusChurch/posx.bmp",
"EnvMaps/SaintLazarusChurch/posy.bmp",
"EnvMaps/SaintLazarusChurch/posz.bmp",
"EnvMaps/SaintLazarusChurch/negx.bmp",
"EnvMaps/SaintLazarusChurch/negy.bmp",
"EnvMaps/SaintLazarusChurch/negz.bmp"
);
}
rt.setEnvMap(env);
}
printf("WOODEN MONKEY SCENE : 1 :: Rendering...\n");
rt.render(width, height, eye2, view2, up, fov, "wmonkey_1.bmp");
printf("WOODEN MONKEY SCENE : 1 :: Done!\n");
}
int main(int argc, char* argv[])
{
// init random number generator for distribution rendering
std::srand(int(time(nullptr)));
if (argc <= 1) {
std::cerr << "No Scene XML specified. If more than one XML spceified, scenes and settings will be combined into one." << std::endl;
std::cerr << " Usage:" << std::endl;
std::cerr << " ./raytracer <path to xml> ..." << std::endl;
return 0;
}
// Create the 3 main objects that handle all functionality
Scene scene;
Raytracer raytracer;
raytracer.setScene(&scene);
CameraContainer cameras;
// parse all scene info
SceneXmlParser xmlParser(raytracer, scene, cameras);
for (int i = 1; i < argc; ++i) {
std::string sceneFilename(argv[i]);
if(!xmlParser.parseSceneDefinition(sceneFilename) ) {
std::cerr << "Parsing failed... Exiting." << std::endl;
return 1;
}
}
// preprocess the scene before rendering
scene.preprocess();
std::string bmpSuffix(".bmp");
std::string rawSuffix(".rsd");
// Render for each camera.
for (auto& cam : cameras) {
std::cout << "Rendering camera \"" << cam->name << "\"" << std::endl;
// if previous raw sensor data exists,
// use it as starting point
std::string rawFileName = cam->name + rawSuffix;
std::ifstream rawFile(rawFileName.c_str());
if (rawFile.good()) {
Image<SensorPixel> accummulatedSensor = readImageFromFile<Image<SensorPixel> >(rawFile);
if (accummulatedSensor) {
std::cout << "Reusing previously rendered data for iterative raytacing." << std::endl;
cam->mergeSensor(accummulatedSensor);
}
rawFile.close();
}
// render and dump to file
raytracer.render(*cam.get());
cam->dumpToBMP(cam->name + bmpSuffix);
// if raytracer flag says to also dump raw, do so
if (raytracer.dumpRaw) {
cam->dumpRawData(rawFileName);
}
}
return 0;
}
int main(int argc, char* argv[])
{
// Build your scene and setup your camera here, by calling
// functions from Raytracer. The code here sets up an example
// scene and renders it from two different view points, DO NOT
// change this if you're just implementing part one of the
// assignment.
Raytracer raytracer;
int width = 16 * 20 * 2;
int height = 12 * 20 * 2;
if (argc == 3) {
width = atoi(argv[1]);
height = atoi(argv[2]);
}
// Camera parameters.
Point3D eye1(0, 0, 1), eye2(4, 2, 1);
Vector3D view1(0, 0, -1), view2(-4, -2, -6);
// Point3D eye1(0, 0, 1), eye2(4, 2, -6);
// Vector3D view1(0, 0, -1), view2(-4, -2, 1);
Vector3D up(0, 1, 0);
double fov = 60;
// Defines a material for shading.
Material gold( Colour(0.3, 0.3, 0.3), Colour(0.75164, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2, LARGE_SPH_REFLECT, LARGE_SPH_REFRAC_INDX, LARGE_SPH_REFRACT);
Material jade( Colour(0, 0, 0), Colour(0.54, 0.89, 0.63),
Colour(0.316228, 0.316228, 0.316228),
12.8);
Material red( Colour(0, 0, 0), Colour(0.9, 0.05, 0.05),
Colour(0.4, 0.2, 0.2),
12.8);
// Defines a point light source.
Point3D light_pos;
if (LIGHT_DEFAULT) {
light_pos = Point3D(0, 0, 5);
} else {
light_pos = LIGHT_POS_TEST;
}
PointLight * light0 = new PointLight(
light_pos,
Colour(0.9, 0.9, 0.9),
0.1);
raytracer.addLightSource(light0);
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* sphere2 = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &jade );
//set the texture map for the objects of interest in the scene if texture map flag is ON
if (TEXTURE_MAP_FLAG) {
// load texture image
TextureMap txtmp;
txtmp = TextureMap(TEXTURE_IMG);
raytracer.setTextureMap(txtmp);
//for now, we are only using texture map for sphere
sphere->useTextureMapping = true;
sphere->obj->setTextureMap(txtmp);
}
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 6.0 };
raytracer.translate(sphere, Vector3D(0, 0, -5));
raytracer.rotate(sphere, 'x', -45);
raytracer.rotate(sphere, 'z', 45);
raytracer.scale(sphere, Point3D(0, 0, 0), factor1);
raytracer.translate(plane, Vector3D(0, 0, -7));
raytracer.rotate(plane, 'z', 45);
raytracer.scale(plane, Point3D(0, 0, 0), factor2);
double f[3] = { 0.5, 0.5, 0.5 };
raytracer.translate(sphere2, Vector3D(0, 0, -8));
raytracer.scale(sphere2, Point3D(0, 0, 0), f);
bool DO_SIGNATURE = false;
bool DO_SIGNATURE_SS = false;
bool DO_DIFFUSE = false;
bool DO_PHONG = false;
bool DO_PHONG_SS = false;
bool DO_FULL_FEATURED = false;
bool DO_WOODEN_MONKEY_SCENES = true;
bool DO_REFRACTION_SCENE = false;
bool RENDER_FIRST_VIEW = true;
bool RENDER_SECOND_VIEW = true;
raytracer.setReflDepth(0);
raytracer.setEnvMapMode(Raytracer::NONE);
// render signature
if ( DO_SIGNATURE ) {
raytracer.setAAMode(Raytracer::NONE);
raytracer.setShadingMode(Raytracer::SCENE_MODE_SIGNATURE);
if ( RENDER_FIRST_VIEW )
raytracer.render(width, height, eye1, view1, up, fov, "sig1.bmp");
if ( RENDER_SECOND_VIEW )
raytracer.render(width, height, eye2, view2, up, fov, "sig2.bmp");
}
// render signature with SS AA
if ( DO_SIGNATURE_SS ) {
raytracer.setAAMode(Raytracer::AA_SUPER_SAMPLING);
raytracer.setShadingMode(Raytracer::SCENE_MODE_SIGNATURE);
if ( RENDER_FIRST_VIEW )
raytracer.render(width, height, eye1, view1, up, fov, "sigSS1.bmp");
if ( RENDER_SECOND_VIEW )
raytracer.render(width, height, eye2, view2, up, fov, "sigSS2.bmp");
}
// render diffuse
if ( DO_DIFFUSE ) {
raytracer.setAAMode(Raytracer::NONE);
raytracer.setShadingMode(Raytracer::SCENE_MODE_DIFFUSE);
if ( RENDER_FIRST_VIEW )
raytracer.render(width, height, eye1, view1, up, fov, "diffuse1.bmp");
if ( RENDER_SECOND_VIEW )
raytracer.render(width, height, eye2, view2, up, fov, "diffuse2.bmp");
}
// render phong
if ( DO_PHONG ) {
raytracer.setAAMode(Raytracer::NONE);
raytracer.setShadingMode(Raytracer::SCENE_MODE_PHONG);
if ( RENDER_FIRST_VIEW )
raytracer.render(width, height, eye1, view1, up, fov, "phong1.bmp");
if ( RENDER_SECOND_VIEW )
raytracer.render(width, height, eye2, view2, up, fov, "phong2.bmp");
}
// phong with super sampling AA
if ( DO_PHONG_SS ) {
raytracer.setAAMode(Raytracer::AA_SUPER_SAMPLING);
raytracer.setShadingMode(Raytracer::SCENE_MODE_PHONG);
if ( RENDER_FIRST_VIEW )
raytracer.render(width, height, eye1, view1, up, fov, "phongSS1.bmp");
if ( RENDER_SECOND_VIEW )
raytracer.render(width, height, eye2, view2, up, fov, "phongSS2.bmp");
}
// refraction if it's turned on
if (REFRACTION_FLAG) {
raytracer.setRefractionMode(REFRACTION_FLAG);
}
// all features enabled or turned to max
if ( DO_FULL_FEATURED ) {
raytracer.setAAMode(Raytracer::NONE);
raytracer.setAAMode(Raytracer::AA_SUPER_SAMPLING);
raytracer.setShadingMode(Raytracer::SCENE_MODE_PHONG);
raytracer.setShadows(Raytracer::SHADOW_CAST);
// raytracer.setShadows(Raytracer::NONE);
raytracer.setEnvMapMode(Raytracer::ENV_MAP_CUBE_SKYBOX);
// raytracer.setEnvMapMode(Raytracer::NONE);
raytracer.setReflDepth(4);
if ( raytracer.getEnvMapMode() != Raytracer::NONE ) {
// load images
EnvMap env;
if ( _DEBUG ) {
env = EnvMap(
"EnvMaps/DebugMaps/posx.bmp",
"EnvMaps/DebugMaps/posy.bmp",
"EnvMaps/DebugMaps/posz.bmp",
"EnvMaps/DebugMaps/negx.bmp",
"EnvMaps/DebugMaps/negy.bmp",
"EnvMaps/DebugMaps/negz.bmp"
);
} else {
env = EnvMap(
"EnvMaps/SaintLazarusChurch/posx.bmp",
"EnvMaps/SaintLazarusChurch/posy.bmp",
"EnvMaps/SaintLazarusChurch/posz.bmp",
"EnvMaps/SaintLazarusChurch/negx.bmp",
"EnvMaps/SaintLazarusChurch/negy.bmp",
"EnvMaps/SaintLazarusChurch/negz.bmp"
);
}
raytracer.setEnvMap(env);
}
// adjust lighting?
if ( raytracer.getReflDepth() > 0 ) {
double l0i = 0.5;
light0->setAmbient(Colour(l0i, l0i, l0i));
}
if ( RENDER_FIRST_VIEW )
raytracer.render(width, height, eye1, view1, up, fov, "all1.bmp");
if ( RENDER_SECOND_VIEW )
raytracer.render(width, height, eye2, view2, up, fov, "all2.bmp");
}
// different scenes just for the wooden monkey thing
if ( DO_WOODEN_MONKEY_SCENES ) {
// wmonkey_scene_1();
wmonkey_scene_2();
// TODO add more scenes here as required...
}
//render the 2nd refraction scene
if ( REFRACTION_FLAG && DO_REFRACTION_SCENE ) {
refraction_scene_1();
}
printf("Press enter to terminate...\n");
std::string s;
std::getline(std::cin, s);
return 0;
}
int main(int argc, char* argv[])
{
// Build your scene and setup your camera here, by calling
// functions from Raytracer. The code here sets up an example
// scene and renders it from two different view points, DO NOT
// change this if you're just implementing part one of the
// assignment.
Raytracer raytracer;
//_render_mode = MODE_SIGNATURE;
//_render_mode = MODE_SPECULAR;
_render_mode = MODE_FULL_PHONG;
//_render_mode = (mode)(MODE_AMBIENT | MODE_DIFFUSE);
int width = 320;
int height = 240;
if (argc == 3) {
width = atoi(argv[1]);
height = atoi(argv[2]);
}
// Camera parameters.
Point3D eye(0, 0, 1);
Vector3D view(0, 0, -1);
Vector3D up(0, 1, 0);
double fov = 60;
// Defines a material for shading.
Material gold( Colour(0.3, 0.3, 0.3), Colour(0.75164, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2 );
Material jade( Colour(0, 0, 0), Colour(0.54, 0.89, 0.63),
Colour(0.316228, 0.316228, 0.316228),
12.8 );
// Defines a point light source.
raytracer.addLightSource( new PointLight(Point3D(0, 0, 5),
Colour(0.9, 0.9, 0.9) ) );
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &jade );
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 6.0 };
raytracer.translate(sphere, Vector3D(0, 0, -5));
raytracer.rotate(sphere, 'x', -45);
raytracer.rotate(sphere, 'z', 45);
raytracer.scale(sphere, Point3D(0, 0, 0), factor1);
raytracer.translate(plane, Vector3D(0, 0, -7));
raytracer.rotate(plane, 'z', 45);
raytracer.scale(plane, Point3D(0, 0, 0), factor2);
// Render the scene, feel free to make the image smaller for
// testing purposes.
raytracer.render(width, height, eye, view, up, fov, "phong1.bmp");
// Render it from a different point of view.
Point3D eye2(4, 2, 1);
Vector3D view2(-4, -2, -6);
raytracer.render(width, height, eye2, view2, up, fov, "phong2.bmp");
return 0;
}
void RenderTask::operator()(const unsigned int depth, RenderProgressCallback* callback)
{
double pixelWidth = 1.0/m_frameBuffer->getWidth();
double pixelHeight = 1.0/m_frameBuffer->getHeight();
Raytracer* rt = new Raytracer(m_scene);
mutexBuckets.lock();
Bucket bucket = m_order->getNextBucket();
mutexBuckets.unlock();
while (bucket != Bucket::INVALID)
{
if (callback)
{
mutexCallback.lock();
callback->onBucketStart(bucket);
mutexCallback.unlock();
}
for (unsigned int y=bucket.y0; y<=bucket.yd; y++)
{
for (unsigned int x=bucket.x0; x<=bucket.xd; x++)
{
Color rawColor(0,0,0);
Camera* camera = m_scene->getCameraMount()->getCamera();
double normX = XScreenToViewPlane(x);
double normY = YScreenToViewPlane(y);
unsigned int haltonSeq = 0/*Random::Instance().generate(256)*/;
for (unsigned int i=1; i<=m_aaSamples; i++)
{
haltonSeq++;
std::vector<Ray> rays = camera->makeSampleRays(
normX+Random::Instance().haltonSeq(haltonSeq,2)*pixelWidth-pixelWidth*0.5,
normY+Random::Instance().haltonSeq(haltonSeq,3)*pixelHeight-pixelHeight*0.5);
for (unsigned int r=0; r<rays.size(); r++)
{
//m_primaryRaysCount++;
rays[r] = m_scene->getCameraMount()->T(rays[r]); // Local to World
double distance;
rawColor += rt->traceRay(rays[r], depth, distance) * (1.0/(double)rays.size());
}
}
rawColor.r /= (double)m_aaSamples;
rawColor.g /= (double)m_aaSamples;
rawColor.b /= (double)m_aaSamples;
rawColor.r = GAMMA(rawColor.r, 2.2);
rawColor.g = GAMMA(rawColor.g, 2.2);
rawColor.b = GAMMA(rawColor.b, 2.2);
m_frameBuffer->setColorAt(x,y, rawColor);
}
}
if (callback)
{
mutexCallback.lock();
callback->onBucketEnd(bucket);
mutexCallback.unlock();
}
mutexBuckets.lock();
bucket = m_order->getNextBucket();
mutexBuckets.unlock();
}
delete rt;
}
int main(int argc, char* argv[])
{
// Build your scene and setup your camera here, by calling
// functions from Raytracer. The code here sets up an example
// scene and renders it from two different view points, DO NOT
// change this if you're just implementing part one of the
// assignment.
Raytracer raytracer;
int width = 320;
int height = 240;
if (argc == 3) {
width = atoi(argv[1]);
height = atoi(argv[2]);
}
/***********************************************************Testing ********************************
// Camera parameters.
Point3D eye(0, 0, 1);
Vector3D view(0, 0, -1);
Vector3D up(0, 1, 0);
double fov = 60;
// Defines a material for shading.
Material gold( Colour(0.3, 0.3, 0.3), Colour(0.75164, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2,0.3,0,NULL );
Material jade( Colour(0, 0, 0), Colour(0.54, 0.89, 0.63),
Colour(0.316228, 0.316228, 0.316228),
12.8,0.3,0,NULL);
// Defines a point light source.
raytracer.addLightSource( new PointLight(Point3D(0.0, 0, 5),
Colour(0.9, 0.9, 0.9) ) );
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &gold );
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &jade );
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 6.0 };
raytracer.translate(sphere, Vector3D(0, 0, -5));
raytracer.rotate(sphere, 'x', -45);
raytracer.rotate(sphere, 'z', 45);
raytracer.scale(sphere, Point3D(0, 0, 0), factor1);
raytracer.translate(plane, Vector3D(0, 0, -7));
raytracer.rotate(plane, 'z', 45);
raytracer.scale(plane, Point3D(0, 0, 0), factor2);
// Render the scene, feel free to make the image smaller for
// testing purposes.
raytracer.render(width, height, eye, view, up, fov, "view4.bmp");
// Render it from a different point of view.
Point3D eye2(4, 2, 1);
Vector3D view2(-4, -2, -6);
raytracer.render(width, height, eye2, view2, up, fov, "view5.bmp");
***********************************************************Testing ********************************/
/***********************************************************Final Scene********************************/
// Camera parameters.
// Point3D eye(0, 8, -3);
// Vector3D view(0, -1,0);
Point3D eye(0, 0, 1);
Vector3D view(0, 0, -1);
Vector3D up(0, 1, 0);
double fov = 60;
// Defines a material for shading.
Material gold( Colour(0.3, 0.3, 0.3), Colour(0.75164, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2,0.2,NULL);
// Material jade( Colour(0, 0, 0), Colour(0.54, 0.89, 0.63),
// Colour(0.316228, 0.316228, 0.316228),
// 12.8,0.5,NULL);
Material jade( Colour(0, 0, 0), Colour(0.47, 0.576, 0.859),
Colour(0.316228, 0.316228, 0.316228),
12.8,0.5,NULL);
Material red( Colour(0.3, 0.3, 0.3), Colour(1, 0, 0),
Colour(0.628281, 0.555802, 0.366065),
51.2,0.2,NULL);
Material white( Colour(0.3, 0.3, 0.3), Colour(1, 0.8549, 0.7255),
Colour(0.628281, 0.555802, 0.366065),
51.2,0.2,NULL);
Material pink( Colour(0.3, 0.3, 0.3), Colour(0.9412, 0.502, 0.502),
Colour(0.628281, 0.555802, 0.366065),
51.2,0.2,NULL);
Material mirror( Colour(0.0, 0.0, 0.0), Colour(0.0, 0.0, 0.0),
Colour(0.0, 0.0, 0.0),
51.2,1,NULL);
Material glass( Colour(0.3, 0.3, 0.3), Colour(1, 1, 1),
Colour(0.628281, 0.555802, 0.366065),
51.2,0,1,NULL);
glass.R_index = 1.3;
glass.transparency_coef=1;
// Defines a point light source.
raytracer.addLightSource( new PointLight(Point3D(0, 0, 5),
Colour(0.9, 0.9, 0.9) ) );
raytracer.addLightSource( new PointLight(Point3D(0, 6, -1),
Colour(0.9, 0.3, 0.1) ) );
Material test( Colour(0.3, 0.3, 0.3), Colour(0.3, 0.60648, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2 ,0.1,NULL);
Material test3( Colour(0.3, 0.3, 0.3), Colour(0.3, 0.5, 0.22648),
Colour(0.628281, 0.555802, 0.366065),
51.2,1,NULL );
Material test2( Colour(0, 0, 0), Colour(0.3, 0.3, 0.3),
Colour(1.0, 1.0, 1.0),
51.2,0,NULL );
Texture sky("/Users/bingxu/Documents/graphics/COMP3271_assignment_4_template/raytracerMacOS/sky.bmp");
Texture board("/Users/bingxu/Documents/graphics/COMP3271_assignment_4_template/raytracerMacOS/board.bmp");
Material starrysky(Colour(0, 0, 0),Colour(0, 0, 0),
Colour(0.1, 0.1, 0.1), 11.264, 0, &sky);
Material board_mat(Colour(0, 0, 0),Colour(0, 0, 0),
Colour(0.1, 0.1, 0.1), 11.264, 1, &board);
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &jade );
SceneDagNode* plane1 = raytracer.addObject( new UnitSquare(), &jade );
SceneDagNode* plane2 = raytracer.addObject( new UnitSquare(), &board_mat );//the bottom
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &mirror);
SceneDagNode* sphere1 = raytracer.addObject( new UnitSphere(), &white );
SceneDagNode* mars = raytracer.addObject( new UnitSphere(), &glass );
SceneDagNode* earth = raytracer.addObject( new UnitSphere(), &pink );
SceneDagNode* cylinder1 = raytracer.addObject( new UnitFiniteCylinder(), &gold );
SceneDagNode* cylinder2 = raytracer.addObject( new UnitFiniteCylinder(), &gold );
SceneDagNode* cylinder3 = raytracer.addObject( new UnitFiniteCylinder(), &gold );
SceneDagNode* cone = raytracer.addObject( new UnitFiniteCone(), &red );
double factor1[3] = { 2.0, 2.0, 2.0 };
double factor2[3] = {50,50,50};
double factor3[3] = { 1.0, 1.0, 1.0};
double factor4[3] = { 1.0, 2, 1.0};
double factor5[3] = {0.5,0.5,0.5};
double factor6[3] = {0.5,1.5,0.5};
double factor7[3] = {1.0,4.0,1.0};
//3 squares
raytracer.translate(plane, Vector3D(0, 0, -15));
raytracer.scale(plane, Point3D(0, 0, 0), factor2);
raytracer.translate(plane1, Vector3D(-15, 0, 0));
raytracer.rotate(plane1, 'y', 90);
raytracer.scale(plane1, Point3D(0, 0, 0), factor2);
raytracer.translate(plane2, Vector3D(0, -8, 0));
raytracer.rotate(plane2, 'x', -90);
raytracer.scale(plane2, Point3D(0, 0, 0), factor2);
//four balls
raytracer.translate(sphere, Vector3D(-1, -6, -2));
raytracer.scale(sphere, Point3D(0, 0, 0), factor3);
raytracer.translate(sphere1,Vector3D(-4.5, -6, 1));
raytracer.scale(sphere1, Point3D(0, 0, 0), factor3);
raytracer.translate(mars, Vector3D(3, -3, -1));
raytracer.scale(mars, Point3D(0, 0, 0), factor3);
raytracer.translate(earth, Vector3D(-8, -6, -2));
raytracer.scale(earth, Point3D(0, 0, 0), factor3);
raytracer.rotate(cylinder1, 'z', -30);
//raytracer.rotate(cylinder1, 'x', -15);
raytracer.translate(cylinder1, Vector3D(0, -4, -2));
raytracer.scale(cylinder1, Point3D(0, 0, 0), factor7);
raytracer.rotate(cylinder2, 'z', -30);
raytracer.translate(cylinder2, Vector3D(1.5, -3, -2));
raytracer.scale(cylinder2, Point3D(0, 0, 0), factor6);
raytracer.rotate(cylinder3, 'z', -30);
raytracer.translate(cylinder3, Vector3D(-1.5, -3, -2));
raytracer.scale(cylinder3, Point3D(0, 0, 0), factor6);
raytracer.rotate(cone, 'z', -30);
raytracer.translate(cone, Vector3D(0, 2, -2));
raytracer.scale(cone, Point3D(0, 0, 0), factor4);
std::clock_t start;
double duration;
start = std::clock();
// raytracer.render(width, height, eye, view, up, fov, "view4.bmp");
duration = ( std::clock() - start ) / (double) CLOCKS_PER_SEC;
//std::cout<<"The rendering duration 1 is .......: "<< duration <<'\n';
// Render it from a different point of view.
Point3D eye2(3, 1, 5);
Vector3D view2(-10, -8, -15);
std::clock_t start1;
double duration1;
start1 = std::clock();
raytracer.render(width, height, eye2, view2, up, fov, "view5.bmp");
duration1 = ( std::clock() - start1 ) / (double) CLOCKS_PER_SEC;
// std::cout<<"The rendering duration 2 is .......: "<< duration1 <<'\n';
/***********************************************************Final Scene********************************/
return 0;
}
int main(int argc, char* argv[])
{
// Build your scene and setup your camera here, by calling
// functions from Raytracer. The code here sets up an example
// scene and renders it from two different view points, DO NOT
// change this if you're just implementing part one of the
// assignment.
Raytracer raytracer;
int width = 160;
int height = 120;
if (argc == 3) {
width = atoi(argv[1]);
height = atoi(argv[2]);
}
// Camera parameters.
Point3D eye(0, 0, 1);
Vector3D view(0, 0, -1);
Vector3D up(0, 1, 0);
double fov = 60;
// Defines a material for shading.
Material chrome( Colour(0.25, 0.25, 0.25), Colour(0.4, 0.4, 0.4),
Colour(0.774597, 0.774597, 0.774597),
51.2 );
Material jade( Colour(0, 0, 0), Colour(0.54, 0.89, 0.63),
Colour(0.316228, 0.316228, 0.316228),
12.8 );
// Defines a point light source.
raytracer.addLightSource( new PointLight(Point3D(0, 3, 2),
Colour(0.9, 0.9, 0.9) ) );
// Add a unit square into the scene with material mat.
SceneDagNode* sphere = raytracer.addObject( new UnitSphere(), &chrome );
SceneDagNode* plane = raytracer.addObject( new UnitSquare(), &jade );
//SceneDagNode* sphere2 = raytracer.addObject( new UnitSphere(), &chrome );
// Apply some transformations to the unit square.
double factor1[3] = { 1.0, 2.0, 1.0 };
double factor2[3] = { 6.0, 6.0, 6.0 };
raytracer.translate(sphere, Vector3D(0, 0, -5));
raytracer.rotate(sphere, 'x', -45);
raytracer.rotate(sphere, 'z', 45);
//raytracer.scale(sphere, Point3D(0, 0, 0), factor1);
//raytracer.translate(sphere2, Vector3D(0, 0, -2));
//raytracer.rotate(sphere2, 'x', -45);
//raytracer.rotate(sphere2, 'z', 45);
raytracer.translate(plane, Vector3D(0, -3, -5));
raytracer.rotate(plane, 'x', -80);
raytracer.scale(plane, Point3D(0, 0, 0), factor2);
// Render the scene, feel free to make the image smaller for
// testing purposes.
raytracer.render(width, height, eye, view, up, fov, "view1.bmp", 3, 5, true);
// Render it from a different point of view.
Point3D eye2(4, 2, 1);
Vector3D view2(-4, -2, -6);
//raytracer.render(width, height, eye2, view2, up, fov, "view2.bmp", 3, 15, false);
//std::cin.get();
return 0;
}
int raytrace(string fileName) {
Raytracer *raytracer = new Raytracer();
int retValue = raytracer->start(fileName);
delete raytracer;
return retValue;
}
int main(int argc, char** argv)
{
ObjectProperties *redSphereProperties = new ObjectProperties();
redSphereProperties->setColour({ MAX_COLOUR, MIN_COLOUR, MIN_COLOUR });
redSphereProperties->setSpecularColor({ 0.0f, 0.0f, 0.0f });
redSphereProperties->setPhongExponent(10000);
Sphere *redSphere = new Sphere(Vec3(-6, 0, 5), 3, redSphereProperties);
ObjectProperties *greenSphereProperties = new ObjectProperties();
greenSphereProperties->setColour({ MAX_COLOUR, 0.84f, MIN_COLOUR });
greenSphereProperties->setSpecularColor({ 1.0f, 0.84f, 0.2f });
greenSphereProperties->setPhongExponent(10000);
Sphere *greenSphere = new Sphere(Vec3(0, 3, 14), 6, greenSphereProperties);
ObjectProperties *blueSphereProperties = new ObjectProperties();
blueSphereProperties->setColour({ MIN_COLOUR, MIN_COLOUR, MAX_COLOUR });
blueSphereProperties->setSpecularColor({ 0.0f, 0.0f, 0.0f });
blueSphereProperties->setPhongExponent(10000);
Sphere *blueSphere = new Sphere(Vec3(4, -2, 7), 1, blueSphereProperties);
ObjectProperties *whiteSphereProperties = new ObjectProperties();
whiteSphereProperties->setColour({ 0.3f, 0.3f, 0.3f });
whiteSphereProperties->setSpecularColor({ MAX_COLOUR, MAX_COLOUR, MAX_COLOUR });
// whiteSphereProperties->setSpecularColor({ MIN_COLOUR, MIN_COLOUR, MIN_COLOUR });
whiteSphereProperties->setPhongExponent(10000);
ObjectProperties *darkSphereProperties = new ObjectProperties();
darkSphereProperties->setColour({ 0.3f, 0.3f, 0.3f });
darkSphereProperties->setSpecularColor({ MIN_COLOUR, MIN_COLOUR, MIN_COLOUR });
darkSphereProperties->setPhongExponent(10000);
Dimension xLeft = -CAMERA_WIDTH / 2;
Dimension xRight = CAMERA_WIDTH / 2;
Dimension yBottom = -3;
Dimension yTop = CAMERA_HEIGHT - 3;
Dimension zFront = 1;
Dimension zBack = 50;
Quad *floor = new Quad({ xLeft, yBottom, zFront }, { xRight, yBottom, zFront }, { xRight, yBottom, zBack }, { xLeft, yBottom, zBack }, whiteSphereProperties);
Quad *leftWall = new Quad({ xLeft, yBottom, zFront }, { xLeft, yBottom, zBack }, { xLeft, yTop, zBack }, { xLeft, yTop, zFront }, whiteSphereProperties);
Quad *rightWall = new Quad({ xRight, yBottom, zFront }, { xRight, yTop, zFront }, { xRight, yTop, zBack }, { xRight, yBottom, zBack }, whiteSphereProperties);
Quad *backWall = new Quad({ xLeft, yBottom, zBack }, { xRight, yBottom, zBack }, { xRight, yTop, zBack }, { xLeft, yTop, zBack }, whiteSphereProperties);
Quad *ceiling = new Quad({ xLeft, yTop, zFront }, { xLeft, yTop, zBack }, { xRight, yTop, zBack }, { xRight, yTop, zFront }, whiteSphereProperties);
PointLight light(Vec3(-5, 8, 4), { 0.6f, 0.6f, 0.6f });
PointLight light2(Vec3(0, 15, 4), { 0.4f, 0.4f, 0.4f });
PointLight light3(Vec3(14, 13, 2), { 0.5f, 0.5f, 0.5f });
Scene scene;
scene.addObject(redSphere);
scene.addObject(greenSphere);
scene.addObject(blueSphere);
scene.addObject(floor);
// scene.addObject(leftWall);
// scene.addObject(rightWall);
// scene.addObject(backWall);
// scene.addObject(ceiling);
scene.addPointLight(&light);
scene.addPointLight(&light2);
// scene.addPointLight(&light3);
std::clock_t start = clock();
raytracer.traceScene(scene, p_camera, image);
std::clock_t finish = clock();
double duration = (finish - start) / (double)CLOCKS_PER_SEC;
std::cout << "Time taken to raytrace scene: " << duration << " seconds." << std::endl;
// Initialize glut
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glEnable(GL_DEPTH_TEST);
glClearColor(0.0, 0.0, 0.0, 1.0);
// Set up display window
glutInitWindowSize(WIDTH, HEIGHT);
glutInitWindowPosition(50, 50);
glutCreateWindow("Display");
glutDisplayFunc(display);
glutMainLoop();
return 0;
}
void display(char* fileName)
{
Ray ray;
long startTime = getMsTime();
long setupTime = 0;
long fileWritingTime = 0;
Intersection intersection;
if (!state->drawn)
{
vector float negZero = (vector float) vec_splat_u32(-1);
negZero = (vector float) vec_sl( (vector unsigned int) negZero, (vector unsigned int) negZero);
VertexGroup raystart = VertexGroup(*state->camera);
float xStepFactor __attribute__ ((aligned (16))) = 4.0 * params->screenXStep;
float yStepFactor __attribute__ ((aligned (16))) = params->screenYStep;
VertexGroup start = VertexGroup(*state->camera);
VertexGroup xStep = VertexGroup(*state->xBasis * xStepFactor);
VertexGroup yStep = VertexGroup(*state->yBasis * yStepFactor);
VertexGroup screenCorner = VertexGroup((*state->screenCorner - *state->camera));
vector float offset = (vector float){0, .25, .5, .75};
VertexGroup pixel = xStep.madd(offset, screenCorner);
BMP myImage;
myImage.SetSize(params->xPixels, params->yPixels);
myImage.SetBitDepth(24);
VertexGroup rowPixel = VertexGroup(Vertex());
VertexGroup raydir = VertexGroup(Vertex());
vector bool int allHit = vec_cmplt(negativeZero(), vectorOne());
VectorSInt rInt;
VectorSInt gInt;
VectorSInt bInt;
int xPixel_4 = params->xPixels / 4;
setupTime = getMsTime() - startTime;
for (int i = 0; i < params->yPixels; i++)
{
rowPixel = pixel;
for (int j = 0; j < xPixel_4; j++)
{
raydir = rowPixel;
raydir.normalize();
int index = i * xPixel_4 + j;
ray.start = &raystart;
ray.direction = &raydir;
intersection.hit = allHit;
raytracer.raytrace(&ray, &pixels[index], scene, params,
intersection);
// cout << "Raycasting (" << index << ") - (" << 4*j << "," << i << ")" << endl;
rInt.vec = vec_cts(pixels[index].r, 8);
gInt.vec = vec_cts(pixels[index].g, 8);
bInt.vec = vec_cts(pixels[index].b, 8);
for (int k = 0; k < 4; k++)
{
myImage(4*j+k,i)->Red = round(rInt.points[k]);
myImage(4*j+k,i)->Green = round(gInt.points[k]);
myImage(4*j+k,i)->Blue = round(bInt.points[k]);
}
rowPixel += xStep;
}
pixel -= yStep;
}
long fileStart = getMsTime();
myImage.WriteToFile(fileName);
fileWritingTime = getMsTime() - fileStart;
state->drawn = true;
}
long rayCasting = getMsTime() - startTime;
long tracing = rayCasting - setupTime - fileWritingTime;
cout << "Ray casting elapsed time: " << rayCasting << " ms (setup: "
<< setupTime << " ms, tracing: " << tracing << " ms, file writing: "
<< fileWritingTime << " ms)" << endl;
}