Light::Light(bool casts_shadows) : IProperty("Light"), m_casts_shadows(casts_shadows), m_shadowmap(0) { m_constant_attenuation = 1.0f; m_linear_attenuation = 0.0f; m_quadratic_attenuation = 0.25f; m_diffuse_color = Vector4f(1.0,1.0,1.0,1.0); m_specular_color = Vector4f(1.0,1.0,1.0,1.0); setSpotCutoff(30.f); m_type = OMNI; }
int main(int argc, char** argv) { osg::ArgumentParser arguments( &argc, argv ); std::string dbPath; arguments.read("--db_path", dbPath); std::srand ( unsigned ( std::time(0) ) ); auto board = Board(boardDefinition, boardSizeX, boardSizeY, dbPath); auto ghostFactory = GhostFactory(); auto main_obj = make_ref<osg::Group>(); main_obj->addChild(board.draw().get()); auto ghostModel = osgDB::readNodeFile(dbPath + "/cow.osg"); auto ghostCount = 16; while(ghostCount--) { main_obj->addChild(ghostFactory.drawGhost(board, ghostModel).get()); } // init rotate auto init_rotate = make_ref<osg::MatrixTransform>(); init_rotate->setMatrix( osg::Matrix::rotate(osg::PI * 2, osg::Vec3(1.0f, 0.0f, 0.0f)) ); // chain rotates init_rotate->addChild(main_obj); // Root group auto root = make_ref<osg::Group>(); root->addChild(init_rotate); // Setup fog if(FogEnabled) { osg::ref_ptr<osg::Fog> fog = new osg::Fog; fog->setMode( osg::Fog::EXP2 ); fog->setStart( 0.0f ); fog->setEnd(board.getFieldSizeX() * 20); fog->setDensity(0.0135); fog->setColor( osg::Vec4(0., 0., 0., 1.0) ); root->getOrCreateStateSet()->setAttributeAndModes(fog.get()); } // Start viewer osgViewer::Viewer viewer; // Set up flashlight auto lightSource = make_ref<osg::LightSource>(); lightSource->setReferenceFrame(osg::LightSource::ABSOLUTE_RF); auto light = lightSource->getLight(); const osg::Vec3 lightPosition{1.5, -1, -1}; // right, down, front light->setPosition(osg::Vec4{lightPosition, 1}); light->setDirection(osg::Vec3{0, 0, -1} * 30 - lightPosition); light->setSpotExponent(60); light->setSpotCutoff(90); light->setDiffuse(osg::Vec4(1, 1, 1, 1)); light->setAmbient(osg::Vec4(0.6, 0.6, 0.6, 1)); light->setSpecular(osg::Vec4(1, 1, 1, 1)); light->setLinearAttenuation(0.001); light->setConstantAttenuation(0.5); root->addChild(lightSource); double height = std::min(board.getFieldSizeX(), board.getFieldSizeY()) / 1.5; auto fpsManipulator = make_ref<FPSManipulator>(board, viewer, *light); fpsManipulator->setHomePosition( osg::Vec3d(board.getFieldCenterX(1), board.getFieldCenterY(10), height), osg::Vec3d(0.0f, 0.0f, height), osg::Vec3d(0.0f, 0.0f, 1.0f) ); auto keySwitch = make_ref<osgGA::KeySwitchMatrixManipulator>(); keySwitch->addNumberedMatrixManipulator(make_ref<osgGA::OrbitManipulator>()); keySwitch->addNumberedMatrixManipulator(fpsManipulator); viewer.setCameraManipulator(keySwitch); viewer.home(); viewer.setSceneData( root ); osgViewer::Viewer::Windows windows; viewer.getWindows(windows); viewer.getCamera()->setClearColor(osg::Vec4{0, 0, 0, 0}); viewer.getCamera()->getView()->setLightingMode(osg::View::HEADLIGHT); auto defaultLight = viewer.getCamera()->getView()->getLight(); defaultLight->setDiffuse(osg::Vec4(0, 0, 0, 1)); defaultLight->setAmbient(osg::Vec4(0, 0, 0, 1)); defaultLight->setSpecular(osg::Vec4(0, 0, 0, 1)); // Shaders auto program = make_ref<osg::Program>(); auto fragmentObject = make_ref<osg::Shader>(osg::Shader::FRAGMENT); loadShaderSource(fragmentObject, dbPath + "/shader.frag"); auto vertexObject = make_ref<osg::Shader>(osg::Shader::VERTEX); loadShaderSource(vertexObject, dbPath + "/shader.vert"); program->addShader(vertexObject); program->addShader(fragmentObject); root->getOrCreateStateSet()->setAttributeAndModes(program, osg::StateAttribute::ON); root->getOrCreateStateSet()->addUniform(new osg::Uniform("samplerName", TEXTURE_UNIT)); root->getOrCreateStateSet()->addUniform(new osg::Uniform("Shininess", BoardObjectsShininess)); root->getOrCreateStateSet()->addUniform(new osg::Uniform("FogEnabled", FogEnabled)); // Optimize osgUtil::Optimizer optimzer; optimzer.optimize(root); viewer.setUpViewOnSingleScreen(0); return viewer.run(); }