C++ SimpleSceneManagerRefPtr::setUseTraversalAction方法代码示例

// react to keys
void keyboard(unsigned char k, int , int )
{
    switch(k)
    {
        case 27:
            onExit();
            OSG::osgExit();
            exit(0);
        break;
        case 'f':
            g_mgr->setNavigationMode(OSG::Navigator::FLY);
        break;
        case 't':
            g_mgr->setNavigationMode(OSG::Navigator::TRACKBALL);
        break;
        case 'q':
            g_mgr->setStatistics(true);
        break;
        case 'w':
            g_mgr->setStatistics(false);
        break;
        case 'r':
        {
            bool useTrav = !g_mgr->getUseTraversalAction();
            g_mgr->setUseTraversalAction(useTrav);
            printf("Using %s action.\n", useTrav ? "render traversal" : "render");
        }
        break;
    }
}

// Initialize GLUT & OpenSG and set up the scene
int main(int argc, char **argv)
{
    // OSG init
    OSG::osgInit(argc,argv);

    // GLUT init
    int winid = setupGLUT(&argc, argv);

    // the connection between GLUT and OpenSG
    g_win= OSG::GLUTWindow::create();
    g_win->setGlutId(winid);
    g_win->init();

    g_scene = createScene();

    // create the SimpleSceneManager helper
    g_mgr = OSG::SimpleSceneManager::create();
    g_mgr->setUseTraversalAction(true);

    // tell the manager what to manage
    g_mgr->setWindow(g_win );
    g_mgr->setRoot  (g_scene);

    // add LabelForeground!!!
    g_labelForeground = OSG::LabelForeground::create();
    g_mgr->addForeground(g_labelForeground);

    // show the whole scene
    g_mgr->showAll();

    // GLUT main loop
    glutMainLoop();

    return 0;
}

int main(int argc, char **argv)
{
    OSG::osgInit(argc,argv);
    
    if(argc > 1 && !strcmp(argv[1],"-s"))
    {
        show = false;
        argv++;
        argc--;
    }
    
    if(argc > 1 && !strcmp(argv[1],"-d"))
    {
        debug = true;
        argv++;
        argc--;
    }

    
    if(argc > 1)
    {
        scene = OSG::Node::create();
        OSG::GroupUnrecPtr g = OSG::Group::create();
        
        scene->setCore(g);
        
        for(OSG::UInt16 i = 1; i < argc; ++i)
            scene->addChild(OSG::SceneFileHandler::the()->read(argv[i]));
    }
    else
    {
        scene = OSG::makeTorus(.5, 3, 16, 16);
    }

    // GLUT init
    glutInit(&argc, argv);
    
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);

    glutInitWindowSize(1024, 768);
    mainwinid = glutCreateWindow("OpenSG");
    
    glutReshapeFunc(reshape);
    glutDisplayFunc(display);
    glutIdleFunc(idle);
    glutMouseFunc(mouse);
    glutMotionFunc(motion);
    glutKeyboardFunc(keyboard);

    OSG::GLUTWindowUnrecPtr mainwin=OSG::GLUTWindow::create();
    mainwin->setGlutId(mainwinid);
    mainwin->init();
    
    // create the SimpleSceneManager helper
    mgr = OSG::SimpleSceneManager::create();

    // create the window and initial camera/viewport
    mgr->setWindow(mainwin);
    // tell the manager what to manage
    mgr->setRoot  (scene);

    OSG::commitChanges();

    // show the whole scene
    mgr->showAll();

    mgr->setUseTraversalAction(true);

    tact      = OSG::RenderAction::create();
#ifdef OSG_OLD_RENDER_ACTION
    act       = OSG::RenderAction::create();
#endif
    debugact  = OSG::RenderAction::create();
    tact->setOcclusionCulling(true);


    // Open the debug window
    if(debug)
    {
        OSG::traverse(scene, initMask);

        glutInitWindowSize(800, 400);
        debugwinid = glutCreateWindow("OpenSG Occlusion Debugging");

        glutReshapeFunc(reshape);
        glutDisplayFunc(display);
        glutIdleFunc(display);
        glutKeyboardFunc(keyboard);

        debugwin=OSG::GLUTWindow::create();
        debugwin->setGlutId(debugwinid);
        debugwin->init();       
        
        OSG::ViewportUnrecPtr vp = mainwin->getPort(0);
        
        OSG::ViewportUnrecPtr newvp = OSG::Viewport::create();        
        newvp->setLeft(0);
        newvp->setRight(0.5);
        newvp->setBottom(0);
        newvp->setTop(1);
//.........这里部分代码省略.........

// react to keys
void keyboard(unsigned char k, int, int)
{
    switch(k)
    {
        case 27:    
        {
#ifdef OSG_WITH_NVPERFSDK
            NVPMShutdown();
#endif
            mgr      = NULL;

            tact     = NULL;
            debugact = NULL;
            
            scene    = NULL;
            mainwin  = NULL;
            debugwin = NULL;
            statfg   = NULL;

            OSG::osgExit();
            exit(0);
        }
        
#ifdef OSG_OLD_RENDER_ACTION
        case 'v':
        {
            mgr->getAction()->setVolumeDrawing(
                                    !mgr->getAction()->getVolumeDrawing());
		    std::cerr << "Volume Drawing: " 
                      << (mgr->getAction()->getVolumeDrawing()?"on":"off") 
                      << std::endl;
        }
        
        case 'z':
        {
            OSG::RenderAction *ract = 
                dynamic_cast<OSG::RenderAction *>(mgr->getAction());

            ract->setZWriteTrans(!ract->getZWriteTrans());

		    std::cerr << "Switch TransZWrite to " 
                      << (ract->getZWriteTrans()?"on":"off") 
                      << std::endl;
             
        }
        break;
#endif

        case 'r':
        {
            initElements();
            bool buseTrav = mgr->getUseTraversalAction();
            buseTrav = !buseTrav;
            mgr->setUseTraversalAction(buseTrav);
         }
         break;

#ifdef OSG_OLD_RENDER_ACTION
        case 'n':
            fprintf(stderr, "1) set s sorting to %d\n", act->getStateSorting());
            act->setStateSorting(!act->getStateSorting());
            fprintf(stderr, "2) set s sorting to %d\n", act->getStateSorting());
            break;
#endif

        case 'k':
            tact->setKeyGen(0);
            break;

        case 's':
        {
            OSG::UInt32 uiSId = OSG::SimpleSHLChunk  ::getStaticClassId() & 0x000003FF;
            OSG::UInt32 uiTId = OSG::TextureBaseChunk::getStaticClassId() & 0x000003FF;
            OSG::UInt32 uiMId = OSG::MaterialChunk   ::getStaticClassId() & 0x000003FF;
            
  
            OSG::UInt32 uiKeyGen = (uiSId) | (uiTId << 10) | (uiMId << 20);

            tact->setKeyGen(uiKeyGen);
        }
        break;

        case 'g':
            bGLFinish = !bGLFinish;
            tact->setUseGLFinish(bGLFinish);
#ifdef OSG_OLD_RENDER_ACTION
            act->setUseGLFinish(bGLFinish);
#endif
            break;


        case 'C':
        {
            OSG::Real32 cov = tact->getOcclusionCullingCoveredThreshold();
            cov+=0.1f;
            tact->setOcclusionCullingCoveredThreshold(cov);
            std::cout << "Covered Threshold now: " << cov << std::endl;
        }
        break;
//.........这里部分代码省略.........