int init(int argc, char **argv) { OSG::osgInit(argc,argv); // GLUT init glutInit(&argc, argv); glutInitDisplayMode( GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE); int winid = glutCreateWindow("OpenSG"); glutKeyboardFunc(key); glutVisibilityFunc(vis); glutReshapeFunc(reshape); glutDisplayFunc(display); glutMouseFunc(mouse); glutMotionFunc(motion); glutIdleFunc(display); // glPolygonMode( GL_FRONT_AND_BACK, GL_LINE ); // glEnable( GL_DEPTH_TEST ); // glEnable( GL_LIGHTING ); // glEnable( GL_LIGHT0 ); // glFrontFace(GL_CW); glEnable(GL_CULL_FACE); // 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(); b1n->setCore( b1 ); // transformation OSG::NodeUnrecPtr t1n = OSG::Node::create(); OSG::TransformUnrecPtr t1 = OSG::Transform::create(); t1n->setCore( t1 ); t1n->addChild( b1n ); cam_trans = t1; // light OSG::NodeUnrecPtr dlight = OSG::Node::create(); OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create(); dlight->setCore( dl ); // dlight->setCore( Group::create() ); dl->setAmbient( .0, .0, .0, 1 ); dl->setDiffuse( .8f, .8f, .8f, 1.f ); dl->setDirection(0,0,1); dl->setBeacon( b1n); // root root = OSG::Node::create(); OSG::GroupUnrecPtr gr1 = OSG::Group::create(); root->setCore( gr1 ); root->addChild( t1n ); root->addChild( dlight ); // 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 = OSG::makeSphere(4, 2.0); } #if 0 OSG::GeometryPtr pGeo = cast_dynamic<OSG::GeometryPtr>(file->getCore()); if(pGeo == NULL && file->getNChildren() != 0) { pGeo = cast_dynamic<OSG::GeometryPtr>(file->getChild(0)->getCore()); } if(pGeo == NULL) { fprintf(stderr, "no geo\n"); } #endif // OSG::GraphOpRefPtr op = OSG::GraphOpFactory::the()->create("Stripe"); // op->traverse(file); // createOptimizedPrimitives(pGeo); // createSharedIndex(pGeo); OSG::Thread::getCurrentChangeList()->commitChanges(); // file->dump(); file->updateVolume(); #if 0 const char *outFileName = "/tmp/foo1.osg"; OSG::IndentFileOutStream outFileStream(outFileName); if( !outFileStream ) { std::cerr << "Can not open output stream to file: " << outFileName << std::endl; return -1; } std::cerr << "STARTING PRINTOUT:" << std::endl; OSGWriter writer( outFileStream, 4 ); writer.write( file ); outFileStream.close(); OSG::SceneFileHandler::the()->write(file, "/tmp/foo.osb"); #endif // return 0; OSG::Vec3f min,max; file->getVolume().getBounds( min, max ); std::cout << "Volume: from " << min << " to " << max << std::endl; OSG::MultiCoreUnrecPtr pMCore = OSG::MultiCore::create(); pCOver = OSG::ChunkOverrideGroup::create(); scene_trans = OSG::Transform::create(); pMCore->addCore(scene_trans); pMCore->addCore(pCOver ); OSG::NodeUnrecPtr sceneTrN = OSG::Node::create(); sceneTrN->setCore(pMCore); sceneTrN->addChild(file); dlight->addChild(sceneTrN); std::cerr << "Tree: " << std::endl; // root->dump(); // 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(1,0,0)); // Viewport vp = OSG::Viewport::create(); vp->setCamera( cam ); vp->setBackground( bkgnd ); vp->setRoot( root ); vp->setSize( 0,0, 1,1 ); #if 0 OSG::UInt8 imgdata[] = { 64,64,64, 128,128,128, 192,192,192, 255,255,255 }; #endif pImg = OSG::Image::create(); pImg->set(OSG::Image::OSG_RGB_PF, 128, 128); //, 1, 1, 1, 0.0, imgdata); tx1o = OSG::TextureObjChunk::create(); tx1e = OSG::TextureEnvChunk::create(); tx1o->setImage (pImg ); tx1o->setMinFilter(GL_LINEAR ); tx1o->setMagFilter(GL_LINEAR ); tx1o->setWrapS (GL_CLAMP ); tx1o->setWrapT (GL_CLAMP ); tx1e->setEnvMode (GL_REPLACE); OSG::SimpleMaterialUnrecPtr mat = OSG::SimpleMaterial::create(); mat->setDiffuse(OSG::Color3f(1,1,1)); mat->setLit (false ); mat->addChunk (tx1o ); mat->addChunk (tx1e ); OSG::PolygonForegroundUnrecPtr pFG = OSG::PolygonForeground::create(); pFG->setMaterial(mat); OSG::MFPnt2f *pPos = pFG->editMFPositions(); OSG::MFVec3f *pTex = pFG->editMFTexCoords(); pPos->push_back(OSG::Pnt2f(0.0f, 0.0f)); pPos->push_back(OSG::Pnt2f(0.3f, 0.0f)); pPos->push_back(OSG::Pnt2f(0.3f, 0.3f)); pPos->push_back(OSG::Pnt2f(0.0f, 0.3f)); pTex->push_back(OSG::Vec3f(0.0f, 1.0f, 0.0f)); pTex->push_back(OSG::Vec3f(1.0f, 1.0f, 0.0f)); pTex->push_back(OSG::Vec3f(1.0f, 0.0f, 0.0f)); pTex->push_back(OSG::Vec3f(0.0f, 0.0f, 0.0f)); vp->addForeground(pFG); OSG::SimpleMaterialUnrecPtr matFgCheck = OSG::SimpleMaterial::create(); matFgCheck->setDiffuse(OSG::Color3f(0,1,0)); matFgCheck->setLit (false ); OSG::PolygonForegroundUnrecPtr pFGCheck = OSG::PolygonForeground::create(); pFGCheck->setMaterial(matFgCheck); pPos = pFGCheck->editMFPositions(); pPos->push_back(OSG::Pnt2f(0.6f, 0.0f)); pPos->push_back(OSG::Pnt2f(0.9f, 0.0f)); pPos->push_back(OSG::Pnt2f(0.9f, 0.3f)); pPos->push_back(OSG::Pnt2f(0.6f, 0.3f)); vp->addForeground(pFG); vp->addForeground(pFGCheck); // vp->dump(); // Background OSG::SolidBackgroundUnrecPtr bkgndFBO = OSG::SolidBackground::create(); bkgndFBO->setColor(OSG::Color3f(1.0,0.5,0.5)); // Viewport vpFBO = OSG::FBOViewport::create(); vpFBO->setCamera (cam ); vpFBO->setBackground(bkgndFBO ); vpFBO->setRoot (root ); vpFBO->setSize (0, 0, 1, 1); vpFBO->addForeground(pFGCheck); OSG::FrameBufferObjectUnrecPtr pFBO = OSG::FrameBufferObject::create(); pTexBuffer = OSG::TextureBuffer::create(); OSG::RenderBufferUnrecPtr pDepthBuffer = OSG::RenderBuffer ::create(); pDepthBuffer->setInternalFormat(GL_DEPTH_COMPONENT24 ); pTexBuffer->setTexture(tx1o); pFBO->setSize(128, 128); pFBO->setColorAttachment(pTexBuffer, 0); pFBO->setDepthAttachment(pDepthBuffer ); pFBO->editMFDrawBuffers()->clear(); pFBO->editMFDrawBuffers()->push_back(GL_COLOR_ATTACHMENT0_EXT); vpFBO->setFrameBufferObject(pFBO); // Window std::cout << "GLUT winid: " << winid << std::endl; GLint glvp[4]; glGetIntegerv( GL_VIEWPORT, glvp ); gwin = OSG::GLUTWindow::create(); gwin->setGlutId(winid); gwin->setSize( glvp[2], glvp[3] ); win = gwin; win->addPort(vpFBO ); win->addPort(vp ); win->init(); // Action rentravact = OSG::RenderAction::create(); // renact->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); // run... pPoly = OSG::PolygonChunk::create(); pCOver->subChunk(pPoly); return 0; }
void initPlaneSetup(void) { // beacon for camera and light OSG::GroupNodeRefPtr beacon = OSG::GroupNodeRefPtr::create(); // transformation OSG::TransformNodeRefPtr cam_transPlane = OSG::TransformNodeRefPtr::create(); cam_transPlane.node()->addChild(beacon); // light OSG::DirectionalLightNodeRefPtr dl = OSG::DirectionalLightNodeRefPtr::create(); dl->setAmbient (.3f, .3f, .3f, 1); dl->setDiffuse ( 1, 1, 1, 1); dl->setDirection( 0, 0, 1 ); dl->setBeacon (beacon ); // planeRoot planeRoot = OSG::GroupNodeRefPtr::create(); planeRoot.node()->addChild(cam_transPlane); planeRoot.node()->addChild(animRoot); planeRoot.node()->addChild(dl); // Create plane to project the staged render OSG::NodeUnrecPtr plane_node = OSG::makePlane(10, 10, 5, 5); // Setup the shared texture and texture environment // - Create an empty image so texture can allocate size and memory OSG::ImageUnrecPtr pImg = OSG::Image::create(); pImg->set(OSG::Image::OSG_RGB_PF, 512, 512); tx1o->setImage (pImg ); tx1o->setMinFilter(GL_LINEAR ); tx1o->setMagFilter(GL_LINEAR ); tx1o->setWrapS (GL_REPEAT ); tx1o->setWrapT (GL_REPEAT ); tx1e->setEnvMode (GL_REPLACE); #ifdef USE_DEPTH_TEXTURE OSG::ImageUnrecPtr dImg = OSG::Image::create(); dImg->set(Image::OSG_L_PF, 512, 512); txDepth->setImage (dImg); txDepth->setMinFilter(GL_NEAREST ); txDepth->setMagFilter(GL_LINEAR ); txDepth->setWrapS (GL_CLAMP_TO_EDGE ); txDepth->setWrapT (GL_CLAMP_TO_EDGE ); txDepth->setExternalFormat(GL_DEPTH_COMPONENT); txDepth->setInternalFormat(GL_DEPTH_COMPONENT32); #endif // Material for plane // - Create a material that will reference the texture and render // it on the plane OSG::SimpleMaterialUnrecPtr mat = OSG::SimpleMaterial::create(); mat->setDiffuse(OSG::Color3f(1,1,1)); mat->setLit (false ); #ifdef USE_DEPTH_TEXTURE mat->addChunk (txDepth ); #else mat->addChunk (tx1o ); #endif mat->addChunk (tx1e ); OSG::GeometryUnrecPtr pGeo = dynamic_cast<OSG::Geometry *>(plane_node->getCore()); pGeo->setMaterial(mat); // Finish connecting graph OSG::TransformNodeRefPtr scene_trans = OSG::TransformNodeRefPtr::create(); scene_trans.node()->addChild(plane_node ); dl.node()->addChild(scene_trans); }