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");
}
}
void OgreWidget::setupTerrain()
{
// bool blankTerrain = false;
mTerrainPos = Ogre::Vector3(1.0, -75.1, 1.0);
// mEditMarker = ogreSceneManager->createEntity("editMarker", "sphere.mesh");
// mEditNode = ogreSceneManager->getRootSceneNode()->createChildSceneNode();
// mEditNode->attachObject(mEditMarker);
// mEditNode->setScale(0.05, 0.05, 0.05);
// These two lines makes the terrain textures look nicer:
Ogre::MaterialManager::getSingleton().setDefaultTextureFiltering(Ogre::TFO_ANISOTROPIC);
Ogre::MaterialManager::getSingleton().setDefaultAnisotropy(7);
//mSceneManager->setFog(Ogre::FOG_EXP, Ogre::ColourValue(0.1, 0.1, 0.1), 0.01, 500, 1000);
Ogre::LogManager::getSingleton().setLogDetail(Ogre::LL_BOREME);
// Set up directional and ambient lights
// THis first light is used for terrain shadows
Ogre::Vector3 lightdir(-0.55, -0.3, 0.75);
lightdir.normalise();
Ogre::Light* light = mSceneManager->createLight("tstLight");
light->setType(Ogre::Light::LT_DIRECTIONAL);
light->setDirection(lightdir);
light->setDiffuseColour(Ogre::ColourValue(1.0, 1.0, 1.0));
light->setSpecularColour(Ogre::ColourValue(0.4, 0.4, 0.4));
mSceneManager->setAmbientLight(Ogre::ColourValue(0.3, 0.3, 0.3));
Ogre::Vector3 lightdir2(-0.55, -0.3, -0.75);
lightdir2.normalise();
Ogre::Light* light2 = mSceneManager->createLight("tstLight2");
light2->setType(Ogre::Light::LT_DIRECTIONAL);
light2->setDirection(lightdir2);
light2->setDiffuseColour(Ogre::ColourValue(0.4, 0.4, 0.4));
light2->setSpecularColour(Ogre::ColourValue(0.2, 0.2, 0.2));
Ogre::Vector3 lightdir3(0.55, -0.2, -0.75);
lightdir3.normalise();
Ogre::Light* light3 = mSceneManager->createLight("tstLight3");
light3->setType(Ogre::Light::LT_DIRECTIONAL);
light3->setDirection(lightdir3);
light3->setDiffuseColour(Ogre::ColourValue(0.5, 0.5, 0.5));
light3->setSpecularColour(Ogre::ColourValue(0.1, 0.1, 0.1));
Ogre::Vector3 lightdir4(-0.55, -0.2, 0.75);
lightdir4.normalise();
Ogre::Light* light4 = mSceneManager->createLight("tstLight4");
light4->setType(Ogre::Light::LT_DIRECTIONAL);
light4->setDirection(lightdir4);
light4->setDiffuseColour(Ogre::ColourValue(0.3, 0.3, 0.3));
light4->setSpecularColour(Ogre::ColourValue(0.2, 0.2, 0.2));
mTerrainGroup = new Ogre::TerrainGroup(mSceneManager, Ogre::Terrain::ALIGN_X_Z, TERRAIN_SIZE, TERRAIN_WORLD_SIZE);
mTerrainGroup->setFilenameConvention(Ogre::String("cachedterrain"), Ogre::String("dat"));
mTerrainGroup->setOrigin(mTerrainPos);
mTerrainGlobals = new Ogre::TerrainGlobalOptions();
configureTerrainDefaults(light);
for(long x = TERRAIN_PAGE_MIN_X; x <= TERRAIN_PAGE_MAX_X; ++x)
for (long y = TERRAIN_PAGE_MIN_Y; y <= TERRAIN_PAGE_MAX_Y; ++y)
defineTerrain(x, y);
// sync load since we NEED everything in place when we start
mTerrainGroup->loadAllTerrains(true);
// calculate the blend maps of all terrains
if(mTerrainsImported)
{
Ogre::TerrainGroup::TerrainIterator ti = mTerrainGroup->getTerrainIterator();
while(ti.hasMoreElements())
{
Ogre::Terrain* t = ti.getNext()->instance;
initBlendMaps(t);
}
}
mTerrainGroup->freeTemporaryResources();
// create a few entities on the terrain
placeObjectOnTerrain("tudorhouse.mesh", Ogre::Vector3(10, 6.4, -10), 0, Ogre::Vector3(0.012, 0.012, 0.012));
placeObjectOnTerrain("church.mesh", Ogre::Vector3(-7, 0, 22), 90);
placeObjectOnTerrain("house1.mesh", Ogre::Vector3(-23, 0, -10), 20);
placeObjectOnTerrain("house2.mesh", Ogre::Vector3(22, 3, 20), -120);
placeObjectOnTerrain("windmill.mesh", Ogre::Vector3(-35, -0.2, 20), 120);
// palmtree placeObjectOnTerrain("tree1.mesh", Ogre::Vector3(0, 0, 10), 00, Ogre::Vector3(0.002, 0.002, 0.002));
placeObjectOnTerrain("tree2.mesh", Ogre::Vector3(0, 0, -30), 10, Ogre::Vector3(0.01, 0.01, 0.01));
// big wind-skewed guy
placeObjectOnTerrain("tree3.mesh", Ogre::Vector3(10, 0, 35), 20, Ogre::Vector3(0.01, 0.01, 0.01));
// ???
placeObjectOnTerrain("tree4.mesh", Ogre::Vector3(33, 0, -15), 30, Ogre::Vector3(0.01, 0.01, 0.01));
// ???
placeObjectOnTerrain("tree5.mesh", Ogre::Vector3(-40, 0, -25), 40, Ogre::Vector3(0.01, 0.01, 0.01));
// the bald tree goes into the center
placeObjectOnTerrain("tree6.mesh", Ogre::Vector3(-3, 0, -2), 50, Ogre::Vector3(0.008, 0.008, 0.008));
// tanne
placeObjectOnTerrain("tree7.mesh", Ogre::Vector3(-22, 0, 28), 60, Ogre::Vector3(0.003, 0.003, 0.003));
mSceneManager->setSkyBox(true, "Examples/CloudyNoonSkyBox");
}
