Wt::WApplication *createApplication(const Wt::WEnvironment& env)
{
// uncomment to get error checking (slow)
//Wt::WGLWidget::enableClientErrorChecks();
OSGWTApp * w = new OSGWTApp (env);
w->setTitle("osgGeometry");
Wt::WContainerWidget* glContainer = new Wt::WContainerWidget(w->root());
glContainer->resize(500, 500);
glContainer->setInline(false);
osg::ref_ptr<osg::Group> g = new osg::Group();
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile("glider.osgt");
osg::ref_ptr<osg::Node> rootnode = createRoom(loadedModel);
// use vertex buffer objects only (no client side arrays are supported by webgl)
osgUtil::GLObjectsVisitor glov(osgUtil::GLObjectsVisitor::SWITCH_ON_VERTEX_BUFFER_OBJECTS);
rootnode->accept(glov);
// ReWeb3D: add uniforms for the lights!
// best solution would be that osg::Light provides these
{
osg::Uniform* light0Ambient = new osg::Uniform( "glLightSource0.ambient",Light0->getAmbient() );
osg::Uniform* light0Diffuse = new osg::Uniform( "glLightSource0.diffuse",Light0->getDiffuse());
osg::Uniform* light0Specular = new osg::Uniform( "glLightSource0.specular", Light0->getSpecular());
osg::Uniform* light0SpotExponent = new osg::Uniform( "glLightSource0.spotExponent", Light0->getSpotExponent());
osg::Uniform* light0SpotCutoff = new osg::Uniform( "glLightSource0.spotCutoff", Light0->getSpotCutoff());
osg::Uniform* light0linearAttenuation = new osg::Uniform( "glLightSource0.linearAttenuation",Light0->getLinearAttenuation() );
osg::Uniform* light0constantAttenuation = new osg::Uniform( "glLightSource0.constantAttenuation",Light0->getConstantAttenuation() );
osg::Uniform* light0quadraticAttenuation = new osg::Uniform( "glLightSource0.quadraticAttenuation",Light0->getQuadraticAttenuation() );
osg::Uniform* light0spotDirection = new osg::Uniform( "glLightSource0.spotDirection", Light0->getDirection());
osg::Uniform* light0position = new osg::Uniform( "glLightSource0.position", Light0->getPosition());
osg::Uniform* light1Ambient = new osg::Uniform( "glLightSource1.ambient",Light1->getAmbient() );
osg::Uniform* light1Diffuse = new osg::Uniform( "glLightSource1.diffuse",Light1->getDiffuse());
osg::Uniform* light1Specular = new osg::Uniform( "glLightSource1.specular", Light1->getSpecular());
osg::Uniform* light1SpotExponent = new osg::Uniform( "glLightSource1.spotExponent", Light1->getSpotExponent());
osg::Uniform* light1SpotCutoff = new osg::Uniform( "glLightSource1.spotCutoff", Light1->getSpotCutoff());
osg::Uniform* light1linearAttenuation = new osg::Uniform( "glLightSource1.linearAttenuation",Light1->getLinearAttenuation() );
osg::Uniform* light1constantAttenuation = new osg::Uniform( "glLightSource1.constantAttenuation",Light1->getConstantAttenuation() );
osg::Uniform* light1quadraticAttenuation = new osg::Uniform( "glLightSource1.quadraticAttenuation",Light1->getQuadraticAttenuation() );
osg::Uniform* light1spotDirection = new osg::Uniform( "glLightSource1.spotDirection", Light1->getDirection());
osg::Uniform* light1position = new osg::Uniform( "glLightSource1.position", Light1->getPosition());
osg::Uniform* materialAmbient = new osg::Uniform( "glMaterial.ambient",osg::Vec4(1.0,1.0,1.0,1.0));
osg::Uniform* materialDiffuse = new osg::Uniform( "glMaterial.diffuse",osg::Vec4(1.0,1.0,1.0,1.0));
osg::Uniform* materialSpecular = new osg::Uniform( "glMaterial.specular", osg::Vec4(1.0,1.0,1.0,1.0));
osg::Uniform* materialShiness = new osg::Uniform( "glMaterial.shiness",(float)32.0 );
osg::Uniform* materialEmission = new osg::Uniform( "glMaterial.emission", osg::Vec4(0.0,0.0,0.0,0.0));
osg::StateSet* ss = rootnode->getOrCreateStateSet();
ss->addUniform(light0Ambient);
ss->addUniform(light0Diffuse);
ss->addUniform(light0Specular);
ss->addUniform(light0SpotExponent);
ss->addUniform(light0SpotCutoff);
ss->addUniform(light0linearAttenuation);
ss->addUniform(light0constantAttenuation);
ss->addUniform(light0quadraticAttenuation);
ss->addUniform(light0spotDirection);
ss->addUniform(light0position);
ss->addUniform(light1Ambient);
ss->addUniform(light1Diffuse);
ss->addUniform(light1Specular);
ss->addUniform(light1SpotExponent);
ss->addUniform(light1SpotCutoff);
ss->addUniform(light1linearAttenuation);
ss->addUniform(light1constantAttenuation);
ss->addUniform(light1quadraticAttenuation);
ss->addUniform(light1spotDirection);
ss->addUniform(light1position);
ss->addUniform(materialAmbient);
ss->addUniform(materialDiffuse);
ss->addUniform(materialSpecular);
ss->addUniform(materialShiness);
ss->addUniform(materialEmission);
}
// add shader to OSG scenegraph
{
osg::ref_ptr<osg::Shader> vShader = new osg::Shader(
osg::Shader::VERTEX,
defaultVertexShader);
osg::ref_ptr<osg::Shader> fShader = new osg::Shader(
osg::Shader::FRAGMENT,
defaultFragmentShader);
osg::ref_ptr<osg::Program> program = new osg::Program();
program->addShader(vShader);
program->addShader(fShader);
rootnode->getOrCreateStateSet()->setAttribute(program);
}
osgViewer::Viewer * viewer = new osgViewer::Viewer;
osgWt::WtOSGWidget * viewWidget = new osgWt::WtOSGWidget(800,600, glContainer);
// IMPORTANT
viewWidget->setViewer(viewer);
// IMPORTANT
viewer->setUpViewerAsEmbeddedInWindow(100,100,800,600);
viewer->setSceneData(rootnode);
viewer->setCameraManipulator(new osgGA::TrackballManipulator);
viewer->getCamera()->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
viewer->getCamera()->setProjectionMatrixAsPerspective(45,800.0/600.0, 0.5, 100.0);
viewer->realize();
return w;
////////////// ADDED
}
