Пример #1
0
// 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;
    }
}
Пример #3
0
//
// 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
        {
            normalsActive = true;

            if(normalsGeoN.empty() == true)
                constructNormalsGeo(sceneN);

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

            for(; ngIt != ngEnd; ++ngIt)
            {
                (*ngIt)->setTravMask(OSG::TypeTraits<OSG::UInt32>::BitsSet);
            }

            std::cout << "Normals enabled" << std::endl;
        }
    }
    break;
    case 'm':
    {
        normalsLen /= 1.25f;
        constructNormalsGeo(sceneN);
        std::cout << "Normals length " << normalsLen << std::endl;
    }
    break;
    case 'M':
    {
        normalsLen *= 1.25f;
        constructNormalsGeo(sceneN);
        std::cout << "Normals length " << normalsLen << std::endl;
    }
    break;
    case 'v':
    {
        mgr->getRenderAction()->setVolumeDrawing(
            !mgr->getRenderAction()->getVolumeDrawing());
        std::cout << "Volume drawing: "
                  << (mgr->getRenderAction()->getVolumeDrawing() ? "enabled" : "disabled")
                  << std::endl;
    }
    break;
    case 'p':
    {
        OSG::SceneGraphPrinter sgp(mgr->getRoot());
        sgp.addPrintFunc(OSG::SkinnedGeometry::getClassType(),
                         &printVolume                         );
        sgp.printDownTree(std::cout);

        NodeStore::const_iterator nIt  = skinnedGeoN.begin();
        NodeStore::const_iterator nEnd = skinnedGeoN.end  ();

        for(OSG::UInt32 i = 0; nIt != nEnd; ++nIt, ++i)
        {
            OSG::SkinnedGeometry *sgeo = dynamic_cast<OSG::SkinnedGeometry *>(
                (*nIt)->getCore());

            std::cout << "Skeleton:\n";
            OSG::SceneGraphPrinter skelPrinter(sgeo->getSkeleton()->getRoots(0));
            skelPrinter.addPrintFunc(OSG::Transform    ::getClassType(),
                                     &printXForm                        );
            //skelPrinter.addPrintFunc(OSG::SkeletonJoint::getClassType(),
            //                         &printJoint                        );
            skelPrinter.printDownTree(std::cout);
        }
    }
    break;

    case 'a':
    {
        mgr->showAll();

        std::cout << "Showing all of scene." << std::endl;
    }
    break;

    case '[':
    {
        if(anims.empty() == false)
        {
            currAnim -= 1;
            if(currAnim < 0)
                currAnim = anims.size() - 1;

            std::cout << "Current anim [" << currAnim << "] - ["
                      << anims[currAnim].anim->getTemplate()->getName()
                      << "]" << std::endl;
        }
    }
    break;
    case ']':
    {
        if(anims.empty() == false)
        {
            currAnim += 1;
            if(currAnim >= OSG::Int32(anims.size()))
                currAnim = 0;

            std::cout << "Current anim [" << currAnim << "] - ["
                      << anims[currAnim].anim->getTemplate()->getName()
                      << "]" << std::endl;
        }
    }
    break;

    case 'L':
    {
        toggleAnim(currAnim, false);
    }
    break;

    case 'l':
    {
        toggleAnim(currAnim, true);
    }
    break;
    case 'd':
    {
        NodeStore::const_iterator nIt  = skinnedGeoN.begin();
        NodeStore::const_iterator nEnd = skinnedGeoN.end  ();

        for(OSG::UInt32 i = 0; nIt != nEnd; ++nIt, ++i)
        {
            OSG::SkinnedGeometry *sgeo = dynamic_cast<OSG::SkinnedGeometry *>(
                (*nIt)->getCore());

            if(sgeo->getRenderMode() == OSG::SkinnedGeometry::RMSkinnedCPU)
            {
                std::cout << "Enabling SkinnedGeo GPU mode ["
                          << sgeo << "]" << std::endl;

                sgeo->setRenderMode(OSG::SkinnedGeometry::RMSkinnedGPU);
                sgeo->setMaterial  (matSkin);
            }
            else if(sgeo->getRenderMode() == OSG::SkinnedGeometry::RMSkinnedGPU)
            {
                std::cout << "Enabling SkinnedGeo SKELETON mode ["
                          << sgeo << "]" << std::endl;

                sgeo->setRenderMode(OSG::SkinnedGeometry::RMSkeleton);
                sgeo->setMaterial  (skinnedGeoMat[i]);
            }
            else if(sgeo->getRenderMode() == OSG::SkinnedGeometry::RMSkeleton)
            {
               std::cout << "Enabling SkinnedGeo UNSKINNED mode ["
                         << sgeo << "]" << std::endl;

               sgeo->setRenderMode(OSG::SkinnedGeometry::RMUnskinned);
               sgeo->setMaterial  (skinnedGeoMat[i]);
            }
            else
            {
                std::cout << "Enabling SkinnedGeo CPU mode ["
                          << sgeo << "]" << std::endl;

                sgeo->setRenderMode(OSG::SkinnedGeometry::RMSkinnedCPU);
                sgeo->setMaterial(skinnedGeoMat[i]);
            }
        }
    }
    break;
    case 'c':
    {
        mgr->getRenderAction()->setFrustumCulling(
            !mgr->getRenderAction()->getFrustumCulling());

        std::cout << "Frustum culling: "
                  << (mgr->getRenderAction()->getFrustumCulling() ? "enabled" : "disabled")
                  << std::endl;
    }
    break;
    case 's':
    {
        NodeStore::const_iterator nIt  = skinnedGeoN.begin();
        NodeStore::const_iterator nEnd = skinnedGeoN.end  ();

        for(OSG::UInt32 i = 0; nIt != nEnd; ++nIt, ++i)
        {
           OSG::SkinnedGeometry *sgeo = dynamic_cast<OSG::SkinnedGeometry *>(
                (*nIt)->getCore());

           OSG::Skeleton        *skel = sgeo->getSkeleton();

           OSG::Skeleton::MFRootsType::const_iterator rIt  =
               skel->getMFRoots()->begin();
           OSG::Skeleton::MFRootsType::const_iterator rEnd =
               skel->getMFRoots()->end  ();

           for(OSG::UInt32 j = 0; rIt != rEnd; ++rIt, ++j)
           {
               std::cout << "Skeleton [" << i << "] @ [" << skel
                         << "] root [" << j << "]\n";

               OSG::SceneGraphPrinter sgp(*rIt);
               sgp.printDownTree(std::cout);

               std::cout << std::endl;
           }
        }
    }
    break;

    default:
    {
        printHelp();
    }
    break;
    }

    glutPostRedisplay();
}
Пример #5
0
// 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;
   }
}
Пример #6
0
// 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
        OSG::GLUTWindowRefPtr gwin = OSG::GLUTWindow::create();

        gwin->setGlutId(winid);
        gwin->init();

        // create the scene
        OSG::NodeRefPtr torus = OSG::makeTorus( .5, 2, 16, 32 );
        OSG::NodeRefPtr scene = OSG::Node::create();

        trans = OSG::Transform::create();

        scene->setCore(trans);
        scene->addChild(torus);

        // Create the parts needed for the video background
        OSG::UInt32 width  = 640;
        OSG::UInt32 height = 480;

        // get the desired size from the command line
        if(argc >= 3)
        {
            width  = atoi(argv[1]);
            height = atoi(argv[2]);
        }

        // To check OpenGL extensions, the Window needs to have run through
        // frameInit at least once. This automatically happens when rendering,
        // but we can't wait for that here.

        gwin->activate ();
        gwin->frameInit();

        // Now we can check for OpenGL extensions
        hasNPOT = gwin->hasExtension("GL_ARB_texture_non_power_of_two");

        // Print what we've got
        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;

}