int doMain (int argc, char **argv) { OSG::osgInit(argc,argv); // GLUT init glutInit(&argc, argv); glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE); glutInitWindowSize(800, 800); int winid = glutCreateWindow("OpenSG"); glutKeyboardFunc(key); glutVisibilityFunc(vis); glutReshapeFunc(reshape); glutDisplayFunc(display); glutMouseFunc(mouse); glutMotionFunc(motion); glutIdleFunc(display); // OSG OSG::SceneFileHandler::the()->print(); // create the graph // beacon for camera and light OSG::NodeUnrecPtr b1n = OSG::Node::create(); OSG::GroupUnrecPtr b1 = OSG::Group::create(); fprintf(stderr, "Create b1n %p %d %d \n", b1n.get(), b1n->getRefCount(), b1n->getWeakRefCount()); b1n->setCore( b1 ); // transformation OSG::NodeUnrecPtr t1n = OSG::Node::create(); OSG::TransformUnrecPtr t1 = OSG::Transform::create(); t1n->setCore (t1 ); t1n->addChild(b1n); fprintf(stderr, "Create t1n %p %d %d \n", t1n.get(), t1n->getRefCount(), t1n->getWeakRefCount()); cam_trans = t1; // light OSG::NodeUnrecPtr dlight = OSG::Node::create(); OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create(); { dlight->setCore(dl); dl->setAmbient( .3f, .3f, .3f, 1 ); dl->setDiffuse( .8f, .8f, .8f, .8f ); dl->setDirection(0,0,1); dl->setBeacon( b1n); } fprintf(stderr, "Create dlight %p %d %d \n", dlight.get(), dlight->getRefCount(), dlight->getWeakRefCount()); hdrroot = OSG::Node::create(); hdrroot->editVolume().setInfinite(); hdrroot->editVolume().setStatic (); hdrroot->setCore(OSG::Group::create()); // root root = OSG::Node:: create(); OSG::GroupUnrecPtr gr1 = OSG::Group::create(); root->setCore(gr1); hdrroot->addChild(root); root->addChild(t1n ); root->addChild(dlight); fprintf(stderr, "Create root %p %d %d \n", root.get(), root->getRefCount(), root->getWeakRefCount()); // Load the file OSG::NodeUnrecPtr file = NULL; if(argc > 1) { file = OSG::SceneFileHandler::the()->read(argv[1], NULL); } if(file == NULL) { std::cerr << "Couldn't load file, ignoring" << std::endl; // file = makeBox(2.f, 2.f, 2.f, 2, 2, 2); file = OSG::makeSphere(4, 2.0); } OSG::NodeUnrecPtr pCubeRoot = OSG::Node::create(); OSG::CubeMapGeneratorUnrecPtr pCubeGen = OSG::CubeMapGenerator::create(); pCubeRoot->addChild(file); pCubeRoot->setCore(pCubeGen); // pCubeRoot->setCore(Group::create()); OSG::NodeUnrecPtr pCubeSceneRoot = OSG::Node::create(); OSG::VisitSubTreeUnrecPtr pCubeVisit = OSG::VisitSubTree::create(); pCubeSceneRoot->setCore(pCubeVisit); pCubeVisit->setSubTreeRoot(root); pCubeGen->setRoot (pCubeSceneRoot); pCubeGen->setTextureFormat(GL_RGB32F_ARB ); pCubeGen->setSize (512, 512 ); pCubeGen->setTexUnit (3); // Cubemap Background OSG::SolidBackgroundUnrecPtr cubeBkgnd = OSG::SolidBackground::create(); { cubeBkgnd->setColor(OSG::Color3f(0.5f, 0.3f, 0.3f)); } pCubeGen->setBackground(cubeBkgnd); OSG::NodeUnrecPtr pAnimRoot = setupAnim(); scene_trans = OSG::Transform::create(); OSG::NodeUnrecPtr sceneTrN = OSG::Node::create(); scene_trans->editMatrix()[3][2] = -50.f; sceneTrN->setCore (scene_trans); sceneTrN->addChild(pCubeRoot ); sceneTrN->addChild(pAnimRoot ); OSG::Thread::getCurrentChangeList()->commitChanges(); OSG::Vec3f min,max; sceneTrN->updateVolume(); sceneTrN->getVolume().getBounds(min, max); std::cout << "Volume: from " << min << " to " << max << std::endl; dlight->addChild(sceneTrN); // Camera cam = OSG::PerspectiveCamera::create(); { cam->setBeacon( b1n ); cam->setFov( OSG::osgDegree2Rad( 90 ) ); cam->setNear( 0.1f ); cam->setFar( 100000 ); } // Background OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create(); { bkgnd->setColor(OSG::Color3f(0.3f, 0.3f, 0.3f)); } // Viewport vp = OSG::Viewport::create(); { vp->setCamera( cam ); vp->setBackground( bkgnd ); vp->setRoot( hdrroot ); // vp->setRoot( root ); vp->setSize( 0,0, 1,1 ); } // Window OSG::GLUTWindowUnrecPtr gwin; GLint glvp[4]; glGetIntegerv(GL_VIEWPORT, glvp); gwin = OSG::GLUTWindow::create(); { gwin->setGlutId(winid); gwin->setSize( glvp[2], glvp[3] ); win = gwin; win->addPort( vp ); win->init(); } // Action rentravact = OSG::RenderAction::create(); rentravact->setVolumeDrawing(true); // rentravact->setFrustumCulling(false); // tball OSG::Vec3f pos; pos.setValues(min[0] + ((max[0] - min[0]) * 0.5), min[1] + ((max[1] - min[1]) * 0.5), max[2] + ( max[2] - min[2] ) * 1.5 ); float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6; OSG::Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2, min[1] + (max[1] - min[1]) / 2, min[2] + (max[2] - min[2]) / 2); fprintf(stderr, "Startpos : %f %f %f\n", pos[0], pos[1], pos[2]); tball.setMode (OSG::Trackball::OSGObject); tball.setStartPosition (pos, true ); tball.setSum (true ); tball.setTranslationMode (OSG::Trackball::OSGFree ); tball.setTranslationScale(scale ); tball.setRotationCenter (tCenter ); fprintf(stderr, "Create b1n %p %d %d \n", b1n.get(), b1n->getRefCount(), b1n->getWeakRefCount()); fprintf(stderr, "Create t1n %p %d %d \n", t1n.get(), t1n->getRefCount(), t1n->getWeakRefCount()); fprintf(stderr, "Create dlight %p %d %d \n", dlight.get(), dlight->getRefCount(), dlight->getWeakRefCount()); fprintf(stderr, "Create hdrroot %p %d %d \n", hdrroot.get(), hdrroot->getRefCount(), hdrroot->getWeakRefCount()); fprintf(stderr, "Create root %p %d %d \n", root.get(), root->getRefCount(), root->getWeakRefCount()); return 0; }
void display(void) { OSG::Time t; // std::cout << glutGet(GLUT_WINDOW_WIDTH) << std::endl; t=-OSG::getSystemTime(); if(animate && animPos.size()>1) { if(animLength>0) animTime = frameCount * (animPos.size())/float(animLength); OSG::UInt32 i=OSG::UInt32(animTime); OSG::Real32 a=animTime-i; OSG::Vec3f v; OSG::Quaternion q; if(i+1 < animPos.size()) { v = animPos[i] + (animPos[i+1] - animPos[i]) * a; q = OSG::Quaternion::slerp(animOri[i],animOri[i+1],a); } else { v = animPos[i]; q = animOri[i]; } cam_trans->editMatrix().setTranslate(v[0],v[1],v[2]); cam_trans->editMatrix().setRotate(q); } else { cam_trans->editSFMatrix()->setValue( tball.getFullTrackballMatrix() ); } try { OSG::Thread::getCurrentChangeList()->commitChanges(); #if 0 clusterWindow->activate(); clusterWindow->frameInit(); clusterWindow->renderAllViewports(ract); #endif clusterWindow->renderNoFinish(ract); #if 0 if(showInfo) { displayInfo(10,90); /* char text[1024]; sprintf(text,"FPS: %12.1f",1.0/frame_time); showText(10,70,text); sprintf(text,"Positions: %12d",sum_positions); showText(10,50,text); sprintf(text,"Triangles: %12d",sum_triangles); showText(10,30,text); sprintf(text,"Geometries: %12d",sum_geometries); showText(10,10,text); */ } #endif #if 0 clusterWindow->swap(); clusterWindow->frameExit(); #endif clusterWindow->frameFinish(); // clear changelist from prototypes OSG::Thread::getCurrentChangeList()->clear(); } catch(OSG_STDEXCEPTION_NAMESPACE::exception &e) { std::cout << e.what() << std::endl; cleanup(); exit(0); } t+=OSG::getSystemTime(); frame_time = t; if(animate && animPos.size()>1) { OSG::Vec3f v; printf("Frame %8.3f %8.5f %8.3f\n", animTime, t,1/t); frameCount++; if(frameCount == animLength) { animTime = 0; frameCount = 0; if(animLoops > 0) { animLoops--; if(!animLoops) { cleanup(); exit(0); } } } } }