C++ SimpleSceneManagerRefPtr::setStatistics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;
    }
}

// react to keys
void keyboard(unsigned char k, int x, int y)
{
    switch(k)
    {
        case 'e':
        {
            // clean up global variables
            mgr = NULL;
        
            OSG::osgExit();
            exit(0);
        }
        break;

        case 's':
        {
            mgr->setStatistics(!mgr->getStatistics());
        }
        break;
    }
}

//
// react to keys
//
void keyboard(unsigned char k, int x, int y)
{
    switch(k)
    {
        case 27:    
        {
            // clean up global variables
            cyltrans = NULL;
            tortrans = NULL;
            mgr      = NULL;

            ubo_light_state  = NULL;
            ubo_geom_state_1 = NULL;
            ubo_geom_state_2 = NULL;

            OSG::osgExit();
            exit(0);
        }
        break;

        case 'm':
        {
            GeomState geom1; geom1.material_index = dist(generator);
            GeomState geom2; geom2.material_index = dist(generator);

            update_geometry_material_state(ubo_geom_state_1, geom1);
            update_geometry_material_state(ubo_geom_state_2, geom2);

            glutPostRedisplay();
        }
        break;

        case 's':
        {
            mgr->setStatistics(!mgr->getStatistics());
        }
        break;
    }
}

// react to keys
void keyboard(unsigned char k, int , int )
{
    switch(k)
    {
    case 27:
    {
        cleanup();

        OSG::osgExit();
        std::exit(0);
    }
    break;
    case 'f':
    {
        mgr->setNavigationMode(OSG::Navigator::FLY);
        std::cout << "Fly mode" << std::endl;
    }
    break;
    case 't':
    {
        mgr->setNavigationMode(OSG::Navigator::TRACKBALL);
        std::cout << "Trackball mode" << std::endl;
    }
    break;
    case 'q':
    {
        mgr->setStatistics(!mgr->getStatistics());
        std::cout << "Statistics " 
                  << (mgr->getStatistics() ? "enabled" : "disabled")
                  << std::endl;
    }
    break;
    case 'h':
    {
        mgr->setHeadlight(!mgr->getHeadlightState());
        std::cout << "Headlight "
                  << (mgr->getHeadlightState() ? "enabled" : "disabled")
                  << std::endl;
    }
    break;
    case 'b':
    {
        if(polyChunk == NULL)
        {
            polyChunk = OSG::PolygonChunk::create();
            root->addChunk(polyChunk);
        }
  
        if(polyChunk->getCullFace() == GL_NONE)
        {
            polyChunk->setCullFace(GL_BACK);
            std::cout << "Backface culling enabled" << std::endl;
        }
        else
        {
            polyChunk->setCullFace(GL_NONE);
            std::cout << "Backface culling disabled" << std::endl;
        }
    }
    break;
    case 'w':
    {
        if(polyChunk == NULL)
        {
            polyChunk = OSG::PolygonChunk::create();
            root->addChunk(polyChunk);
        }

        if(polyChunk->getFrontMode() == GL_FILL)
        {
            polyChunk->setFrontMode(GL_LINE);
            polyChunk->setBackMode (GL_LINE);
            std::cout << "Wireframe enabled" << std::endl;
        }
        else
        {
            polyChunk->setFrontMode(GL_FILL);
            polyChunk->setBackMode (GL_FILL);
            std::cout << "Wireframe disabled" << std::endl;
        }
    }
    break;
    case 'n':
    {
        if(normalsActive == true)
        {
            normalsActive = false;

            NodeStore::const_iterator ngIt  = normalsGeoN.begin();
            NodeStore::const_iterator ngEnd = normalsGeoN.end  ();

            for(; ngIt != ngEnd; ++ngIt)
            {
                (*ngIt)->setTravMask(0);
            }
            
            std::cout << "Normals disabled" << std::endl;
        }
        else
//.........这里部分代码省略.........

// react to keys
void keyboard(unsigned char k, int x, int y)
{
    switch(k)
    {
        case 27:    
        {
            // clean up global variables
            mgr = NULL;
            
            OSG::osgExit();
            exit(1);
        }
        break;
        
        case 'a':   // activate all lights
        {
            for(OSG::UInt16 i = 0; i < nlights; ++i)
            {
                lights[i]->setOn(true);
            }
        }
        break;
         
        case 's':   // deactivate all but the spot lights
        {
            for(OSG::UInt16 i = 0; i < nlights; ++i)
            {
                if(lights[i]->getTypeId() != OSG::SpotLight::getClassTypeId())
                {
                    lights[i]->setOn(false);
                }
                else
                {
                    lights[i]->setOn(true);
                }
            }
            OSG::commitChanges();
        }
        break;
         
        case 'd':   // deactivate all but the directional lights
        {
            for(OSG::UInt16 i = 0; i < nlights; ++i)
            {
                if(lights[i]->getTypeId() != 
                                      OSG::DirectionalLight::getClassTypeId())
                {
                    lights[i]->setOn(false);
                }
                else
                {
                    lights[i]->setOn(true);
                }
            }
            OSG::commitChanges();
        }
        break;
         
        case 'p':   // deactivate all but the point lights
        {
            for(OSG::UInt16 i = 0; i < nlights; ++i)
            {
                if(lights[i]->getTypeId() != OSG::PointLight::getClassTypeId())
                {
                    lights[i]->setOn(false);
                }
                else
                {
                    lights[i]->setOn(true);
                }
            }
            OSG::commitChanges();
        }
        break;

        case 'S':
        {
            mgr->setStatistics(!mgr->getStatistics());
        }
        break;
   }
}

//.........这里部分代码省略.........
        SLOG << "Got " << (isPOT?"":"non-") << "power-of-two images and "
            << (hasNPOT?"can":"cannot") << " use NPOT textures, changing "
            << (changeOnlyPart?"part":"all")
            << " of the screen"
            << std::endl;

        // Ok, now for the meat of the code...
        // first we need an Image to hold the picture(s) to show
        image = OSG::Image::create();

        // set the image's size and type, and allocate memory
        // this example uses RGB. On some systems (e.g. Windows) BGR
        // or BGRA might be faster, it depends on how the images are
        // acquired

        image->set(OSG::Image::OSG_RGB_PF, width, height);



        // Now create the texture to be used for the background
        texObj = OSG::TextureObjChunk::create();

        // Associate image and texture
        texObj->setImage(image);

        // Set filtering modes. LINEAR is cheap and good if the image size
        // changes very little (i.e. the window is about the same size as
        // the images).

        texObj->setMinFilter(GL_LINEAR);
        texObj->setMagFilter(GL_LINEAR);

        // Set the wrapping modes. We don't need repetition, it might actually
        // introduce artifactes at the borders, so switch it off.

        texObj->setWrapS(GL_CLAMP_TO_EDGE);
        texObj->setWrapT(GL_CLAMP_TO_EDGE);

        // Newer versions of OpenGL can handle NPOT textures directly.
        // OpenSG will do that internally automatically.
        //
        // Older versions need POT textures. By default OpenSG
        // will scale an NPOT texture to POT while defining it.
        // For changing textures that's too slow.
        // So tell OpenSG not to scale the image and adjust the texture
        // coordinates used by the TextureBackground (see below).

        texObj->setScale(false);

        // Create the background

        OSG::TextureBackgroundRefPtr back = OSG::TextureBackground::create();

        // Set the texture to use
        back->setTexture(texObj);

        // if the image is NPOT and we don't have hardware support for it
        // adjust the texture coordinates.
        if(isPOT == false && hasNPOT == false)
        {
            OSG::UInt32 potWidth  = OSG::osgNextPower2(width );
            OSG::UInt32 potHeight = OSG::osgNextPower2(height);

            OSG::Real32 tcRight = OSG::Real32(width ) / OSG::Real32(potWidth );
            OSG::Real32 tcTop   = OSG::Real32(height) / OSG::Real32(potHeight);

            back->editMFTexCoords()->push_back(OSG::Vec2f(    0.f,   0.f));
            back->editMFTexCoords()->push_back(OSG::Vec2f(tcRight,   0.f));
            back->editMFTexCoords()->push_back(OSG::Vec2f(tcRight, tcTop));
            back->editMFTexCoords()->push_back(OSG::Vec2f(    0.f, tcTop));
        }

        OSG::commitChanges();

        // create the SimpleSceneManager helper
        mgr = OSG::SimpleSceneManager::create();

        // tell the manager what to manage
        mgr->setWindow(gwin );
        mgr->setRoot  (scene);
        mgr->setStatistics(true);

        // replace the background
        // This has to be done after the viewport has been created, which the
        // SSM does in setRoot().

        OSG::ViewportRefPtr vp = gwin->getPort(0);

        vp->setBackground(back);
    }

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

    // GLUT main loop
    glutMainLoop();

    return 0;

}