void simulate() {
cout << "Simulating..." << endl;
for (int i = 0; i < 5; i++) {
cout << "#" << i << endl;
nextStage();
cout << "Tracing..." << endl;
traceRays(h_rays, scene);
nextStage();
cout << "Interacting..." << endl;
interactRays(h_rays);
}
}
void masterFunc() {
Octree t;
vector3 cam(-0.5,-0.5, -800);
vector3 camX(1,0,0);
vector3 camY(0,1,0);
vector3 camZ(0,0,1);
BITMAP32 render(512,512);
vector3 p;
vector3 lightdir(-1,-1,1);
vector3 lightdir2(0,1,0);
lightdir.normalize();
int treeSize;
char * treeBuffer;
//t.loadFromBitmaps("./dicom/IM_0001%03d.bmp", 200);
//t.writeToFile("octree.dat");
cout << "Loading octree data" << endl;
t.readFromFile("octree.dat", treeBuffer, treeSize);
MPI_Bcast (&treeSize, 1, MPI_INT, MASTER, MPI_COMM_WORLD); //Broadcast header with tree size
MPI_Bcast (treeBuffer, treeSize, MPI_BYTE, MASTER, MPI_COMM_WORLD); //Broadcast tree
cout << "Data sent from master node." << endl;
int frames = 1;
time_t startTime = time(0);
for(int i = 0; i < frames; i++) {
double xcenter = 30, zcenter = -25, radius = 500;
RaytraceCamera camera(vector3(xcenter+radius*cos(i*2*PI/frames)+1,-9,zcenter+radius*sin(i*2*PI/frames)+1), vector3(xcenter,-10,zcenter));
cout << "Generating rays..." << endl;
vector<RayPixel> rays = camera.generateRays(512,512);
cout << rays.size() << " rays generated." << endl;
traceRays(rays, t, render);
cout << "Loop " << i << ": done tracing rays!" << endl;
time_t seconds = time(0);
cout << "Frame " << i << " done at " << difftime(seconds, startTime) << endl;
exportBMP(render,"render" + toString(i) + ".bmp");
}
}