// Initialize GLUT & OpenSG and set up the scene
int doMain(int argc, char **argv)
{
printf("Press key '9' or '0' to toggle light sources.\n");
printf("Set the shadow mode with key '1' ... '8'\n");
printf("Change MapSize with keys 'y' = 512, 'x' = 1024, 'c' = 2048\n");
printf("NOTE: Real point lights only supported for ShadowMode 1...6!\n");
// OSG init
OSG::osgInit(argc, argv);
// GLUT init
int winid = setupGLUT(&argc, argv);
gwin = OSG::GLUTWindow::create();
//Erstellen der ben�tigten Komponenten--------------------------------------
rootNode = OSG::makeCoredNode<OSG::Group>();
OSG::NodeUnrecPtr scene = OSG::makeCoredNode<OSG::Group>();
/*
// create lights
//Directional Light 1
OSG::NodeUnrecPtr light1 = OSG::makeCoredNode<OSG::DirectionalLight>(&_light1_core);
OSG::NodeUnrecPtr light1_beacon = OSG::makeCoredNode<OSG::Transform>(&_light1_trans);
_light1_trans->editMatrix().setTranslate(0.0, 0.0, 0.0);
_light1_core->setDirection(0.8,0.8,0.5);
_light1_core->setAmbient(0.15,0.15,0.15,1);
_light1_core->setDiffuse(0.5,0.5,0.5,1);
_light1_core->setSpecular(0.0,0.0,0.0,1);
_light1_core->setBeacon(light1_beacon);
_light1_core->setShadowIntensity(0.7);
_light1_core->setOn(true);
*/
// Point Light 1
OSG::NodeUnrecPtr light1 = OSG::makeCoredNode<OSG::PointLight>(&_light1_core);
OSG::NodeUnrecPtr light1_beacon = OSG::makeCoredNode<OSG::Transform >(&_light1_trans);
_light1_trans->editMatrix().setTranslate(50.0, 50.0, 10.0);
_light1_core->setAmbient(0.15f, 0.15f, 0.15f, 1);
_light1_core->setDiffuse(0.5f, 0.5f, 0.5f, 1);
_light1_core->setSpecular(0.0f, 0.0f, 0.0f, 1);
_light1_core->setBeacon(light1_beacon);
_light1_core->setOn(true);
_light1_core->setShadowIntensity(0.8f);
// Spot Light 2
OSG::NodeUnrecPtr light2 = OSG::makeCoredNode<OSG::SpotLight>(&_light2_core);
OSG::NodeUnrecPtr light2_beacon = OSG::makeCoredNode<OSG::Transform>(&_light2_trans);
//_light2_trans->editMatrix().setTranslate(75.0, 0.0, 25.0);
_light2_trans->editMatrix().setTranslate(250.0, -250.0, 300.0);
_light2_core->setAmbient(0.15,0.15,0.15,1);
_light2_core->setDiffuse(0.5,0.5,0.5,1);
_light2_core->setSpecular(0.0,0.0,0.0,1);
_light2_core->setSpotCutOffDeg(40.0);
_light2_core->setSpotDirection(-0.85,0.85,-1.0);
_light2_core->setBeacon(light2_beacon);
_light2_core->setShadowIntensity(0.7);
_light2_core->setOn(true);
/*
// Point Light 2
OSG::NodeUnrecPtr light2 = OSG::makeCoredNode<OSG::PointLight>(&_light2_core);
OSG::NodeUnrecPtr light2_beacon = OSG::makeCoredNode<OSG::Transform> (&_light2_trans);
_light2_trans->editMatrix().setTranslate(40.0, 0.0, 40.0);
_light2_core->setAmbient(0.15f, 0.15f, 0.15f, 1);
_light2_core->setDiffuse(0.5f, 0.5f, 0.5f, 1);
_light2_core->setSpecular(0.0f, 0.0f, 0.0f, 1);
_light2_core->setBeacon(light2_beacon);
_light2_core->setOn(false);
_light2_core->setShadowIntensity(0.7f);
*/
light1->addChild(light2);
light2->addChild(scene);
//Eigene Kamera erstellen
Pcamera = OSG::PerspectiveCamera::create();
cam_beacon = OSG::makeCoredNode<OSG::Transform>(&cam_trans);
cam_trans->editMatrix().setTranslate(0.0, 0.0, 25.0);
Pcamera->setBeacon(cam_beacon);
Pcamera->setFov(OSG::osgDegree2Rad(60));
Pcamera->setNear(1.0);
Pcamera->setFar(1000);
// create scene
// bottom
OSG::NodeUnrecPtr plane = OSG::makePlane(300.0, 300.0, 256, 256);
OSG::ImageUnrecPtr plane_img = OSG::Image::create();
plane_img->read("gras.jpg");
OSG::TextureObjChunkUnrecPtr plane_tex_obj = OSG::TextureObjChunk::create();
OSG::TextureEnvChunkUnrecPtr plane_tex_env = OSG::TextureEnvChunk::create();
plane_tex_obj->setImage(plane_img);
plane_tex_obj->setMinFilter(GL_LINEAR);
plane_tex_obj->setMagFilter(GL_LINEAR);
plane_tex_obj->setWrapS(GL_REPEAT);
plane_tex_obj->setWrapT(GL_REPEAT);
plane_tex_env->setEnvMode(GL_MODULATE);
OSG::SimpleMaterialUnrecPtr plane_mat = OSG::SimpleMaterial::create();
plane_mat->setAmbient(OSG::Color3f(0.3f, 0.3f, 0.3f));
plane_mat->setDiffuse(OSG::Color3f(1.0f, 1.0f, 1.0f));
plane_mat->addChunk(plane_tex_obj);
plane_mat->addChunk(plane_tex_env);
OSG::Geometry *plane_geo = dynamic_cast<OSG::Geometry *>(plane->getCore());
plane_geo->setMaterial(plane_mat);
//load Tree Objects
OSG::NodeUnrecPtr tree1_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree1_trans);
OSG::NodeUnrecPtr tree2_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree2_trans);
OSG::NodeUnrecPtr tree3_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree3_trans);
OSG::NodeUnrecPtr tree4_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree4_trans);
OSG::NodeUnrecPtr tree5_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree5_trans);
OSG::NodeUnrecPtr tree6_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree6_trans);
OSG::NodeUnrecPtr tree7_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree7_trans);
OSG::NodeUnrecPtr tree8_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree8_trans);
OSG::NodeUnrecPtr tree9_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_tree9_trans);
_tree1_trans->editMatrix().setTranslate(-80.0, -80.0, 0.0);
_tree1_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree2_trans->editMatrix().setTranslate(0.0, -80.0, 0.0);
_tree2_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree3_trans->editMatrix().setTranslate(80.0, -80.0, 0.0);
_tree3_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree4_trans->editMatrix().setTranslate(-80.0, 0.0, 0.0);
_tree4_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree5_trans->editMatrix().setTranslate(0.0, 0.0, 0.0);
_tree5_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree6_trans->editMatrix().setTranslate(80.0, 0.0, 0.0);
_tree6_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree7_trans->editMatrix().setTranslate(-80.0, 80.0, 0.0);
_tree7_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree8_trans->editMatrix().setTranslate(0.0, 80.0, 0.0);
_tree8_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
_tree9_trans->editMatrix().setTranslate(80.0, 80.0, 0.0);
_tree9_trans->editMatrix().setScale(OSG::Vec3f(12.0, 12.0, 10.0));
OSG::NodeUnrecPtr tree1 = OSG::SceneFileHandler::the()->read("tree1.3ds");
// NodeUnrecPtr tree1 = makeSphere(2, 2.0);
tree1_trans_node->addChild(tree1);
tree2_trans_node->addChild(cloneTree(tree1));
tree3_trans_node->addChild(cloneTree(tree1));
tree4_trans_node->addChild(cloneTree(tree1));
tree5_trans_node->addChild(cloneTree(tree1));
tree6_trans_node->addChild(cloneTree(tree1));
tree7_trans_node->addChild(cloneTree(tree1));
tree8_trans_node->addChild(cloneTree(tree1));
tree9_trans_node->addChild(cloneTree(tree1));
OSG::NodeUnrecPtr trees = OSG::makeCoredNode<OSG::Group>();
trees->addChild(tree1_trans_node);
trees->addChild(tree2_trans_node);
trees->addChild(tree3_trans_node);
trees->addChild(tree4_trans_node);
trees->addChild(tree5_trans_node);
trees->addChild(tree6_trans_node);
trees->addChild(tree7_trans_node);
trees->addChild(tree8_trans_node);
trees->addChild(tree9_trans_node);
/*//load Airplane Object
NodePtr obj1_trans_node = makeCoredNode<Transform>(&_obj1_trans);
_obj1_trans->editMatrix().setTranslate(0.0, 0.0, 10.0);
_obj1_trans->editMatrix().setScale(Vec3f(0.15,0.15,0.15));
NodePtr object1 = SceneFileHandler::the().read("triplane.3ds");
obj1_trans_node->addChild(object1);
*/
//Load a Quad as Pointlight
OSG::GeometryUnrecPtr boxGeo = OSG::makeBoxGeo(15, 15, 15, 1, 1, 1);
OSG::NodeUnrecPtr boxNode = OSG::Node::create();
boxNode->setCore(boxGeo);
OSG::SimpleMaterialUnrecPtr box_mat = OSG::SimpleMaterial::create();
box_mat->setAmbient(OSG::Color3f(0.95f, 1.0f, 0.2f));
box_mat->setDiffuse(OSG::Color3f(0.95f, 1.0f, 0.2f));
boxGeo->setMaterial(box_mat);
OSG::NodeUnrecPtr obj1_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_obj1_trans);
obj1_trans_node->addChild(boxNode);
//load Dino Objects
OSG::NodeUnrecPtr dino1_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_dino1_trans);
OSG::NodeUnrecPtr dino2_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_dino2_trans);
OSG::NodeUnrecPtr dino3_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_dino3_trans);
OSG::NodeUnrecPtr dino4_trans_node = OSG::makeCoredNode<OSG::Transform>
(&_dino4_trans);
_dino1_trans->editMatrix().setTranslate(-20.0, -20.0, 10.0);
_dino1_trans->editMatrix().setScale(OSG::Vec3f(5.0, 5.0, 5.0));
_dino2_trans->editMatrix().setTranslate(-20.0, -20.0, 6.0);
_dino2_trans->editMatrix().setScale(OSG::Vec3f(3.0, 3.0, 3.0));
_dino3_trans->editMatrix().setTranslate(-20.0, -20.0, 6.0);
_dino3_trans->editMatrix().setScale(OSG::Vec3f(3.0, 3.0, 3.0));
_dino4_trans->editMatrix().setTranslate(-20.0, -20.0, 6.0);
_dino4_trans->editMatrix().setScale(OSG::Vec3f(3.0, 3.0, 3.0));
OSG::NodeUnrecPtr dino1 = OSG::SceneFileHandler::the()->read("dinopet.3ds");
// NodeUnrecPtr dino1 = makeBox(2., 2., 2., 4, 4, 4);
dino1_trans_node->addChild(dino1);
dino2_trans_node->addChild(cloneTree(dino1));
dino3_trans_node->addChild(cloneTree(dino1));
dino4_trans_node->addChild(cloneTree(dino1));
OSG::NodeUnrecPtr dinos = OSG::makeCoredNode<OSG::Group>();
dinos->addChild(dino1_trans_node);
dinos->addChild(dino2_trans_node);
dinos->addChild(dino3_trans_node);
dinos->addChild(dino4_trans_node);
//load Stone Objects
OSG::TransformUnrecPtr _stone_trans1, _stone_trans2, _stone_trans3,
_stone_trans4, _stone_trans5, _stone_trans6,
_stone_trans7, _stone_trans8,
_stone_trans9;
OSG::NodeUnrecPtr stone_trans_node1 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans1);
OSG::NodeUnrecPtr stone_trans_node2 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans2);
OSG::NodeUnrecPtr stone_trans_node3 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans3);
OSG::NodeUnrecPtr stone_trans_node4 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans4);
OSG::NodeUnrecPtr stone_trans_node5 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans5);
OSG::NodeUnrecPtr stone_trans_node6 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans6);
OSG::NodeUnrecPtr stone_trans_node7 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans7);
OSG::NodeUnrecPtr stone_trans_node8 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans8);
OSG::NodeUnrecPtr stone_trans_node9 = OSG::makeCoredNode<OSG::Transform>
(&_stone_trans9);
_stone_trans1->editMatrix().setTranslate(-70, -70, 0);
_stone_trans2->editMatrix().setTranslate(10, -70, 0);
_stone_trans3->editMatrix().setTranslate(90, -70, 0);
_stone_trans4->editMatrix().setTranslate(-70, 10, 0);
_stone_trans5->editMatrix().setTranslate(10, 10, 0);
_stone_trans6->editMatrix().setTranslate(90, 10, 0);
_stone_trans7->editMatrix().setTranslate(-70, 90, 0);
_stone_trans8->editMatrix().setTranslate(10, 90, 0);
_stone_trans9->editMatrix().setTranslate(90, 90, 0);
OSG::NodeUnrecPtr stone1 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone2 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone3 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone4 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone5 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone6 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone7 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone8 = OSG::makeSphere(1, 7.0);
OSG::NodeUnrecPtr stone9 = OSG::makeSphere(1, 7.0);
OSG::ImageUnrecPtr plane_img2 = OSG::Image::create();
plane_img2->read("stone.jpg");
OSG::TextureObjChunkUnrecPtr plane_tex2_obj = OSG::TextureObjChunk::create();
OSG::TextureEnvChunkUnrecPtr plane_tex2_env = OSG::TextureEnvChunk::create();
plane_tex2_obj->setImage(plane_img2);
plane_tex2_obj->setMinFilter(GL_LINEAR);
plane_tex2_obj->setMagFilter(GL_LINEAR);
plane_tex2_obj->setWrapS(GL_REPEAT);
plane_tex2_obj->setWrapT(GL_REPEAT);
plane_tex2_env->setEnvMode(GL_MODULATE);
OSG::SimpleMaterialUnrecPtr plane_mat2 = OSG::SimpleMaterial::create();
plane_mat2->setAmbient(OSG::Color3f(0.3f, 0.3f, 0.3f));
plane_mat2->setDiffuse(OSG::Color3f(1.0f, 1.0f, 1.0f));
plane_mat2->addChunk(plane_tex2_obj);
plane_mat2->addChunk(plane_tex2_env);
OSG::Geometry *plane_geo3 = dynamic_cast<OSG::Geometry *>(stone1->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone2->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone3->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone4->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone5->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone6->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone7->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone8->getCore());
plane_geo3->setMaterial(plane_mat2);
plane_geo3 = dynamic_cast<OSG::Geometry *>(stone9->getCore());
plane_geo3->setMaterial(plane_mat2);
stone_trans_node1->addChild(stone1);
stone_trans_node2->addChild(stone2);
stone_trans_node3->addChild(stone3);
stone_trans_node4->addChild(stone4);
stone_trans_node5->addChild(stone5);
stone_trans_node6->addChild(stone6);
stone_trans_node7->addChild(stone7);
stone_trans_node8->addChild(stone8);
stone_trans_node9->addChild(stone9);
OSG::NodeUnrecPtr stones = OSG::makeCoredNode<OSG::Group>();
stones->addChild(stone_trans_node1);
stones->addChild(stone_trans_node2);
stones->addChild(stone_trans_node3);
stones->addChild(stone_trans_node4);
stones->addChild(stone_trans_node5);
stones->addChild(stone_trans_node6);
stones->addChild(stone_trans_node7);
stones->addChild(stone_trans_node8);
stones->addChild(stone_trans_node9);
scene->addChild(plane);
scene->addChild(obj1_trans_node);
scene->addChild(trees);
scene->addChild(stones);
scene->addChild(dinos);
svp = OSG::ShadowStage::create();
OSG::GradientBackgroundUnrecPtr gbg = OSG::GradientBackground::create();
OSG::SolidBackgroundUnrecPtr sbg = OSG::SolidBackground::create();
gbg->addLine(OSG::Color3f(0.7f, 0.7f, 0.8f), 0);
gbg->addLine(OSG::Color3f(0.0f, 0.1f, 0.3f), 1);
rootNode->setCore(svp);
rootNode->addChild(light1);
rootNode->addChild(light1_beacon);
rootNode->addChild(light2_beacon);
rootNode->addChild(cam_beacon);
// Shadow viewport
#ifdef SHADOW_CHECK
svp->setBackground(gbg);
svp->setRoot(rootNode);
svp->setSize(0, 0, 1, 1);
#endif
//svp->setOffFactor(4.0);
//svp->setOffBias(8.0);
//used to set global shadow intensity, ignores shadow intensity from light sources if != 0.0
//svp->setGlobalShadowIntensity(0.8);
svp->setMapSize(1024);
//ShadowSmoothness used for PCF_SHADOW_MAP and VARIANCE_SHADOW_MAP, defines Filter Width. Range can be 0.0 ... 1.0.
//ShadowSmoothness also used to define the light size for PCSS_SHADOW_MAP
svp->setShadowSmoothness(0.5);
// add light sources here
//svp->editMFLightNodes ()->push_back(light1);
//svp->editMFLightNodes ()->push_back(light2);
svp->editMFExcludeNodes()->push_back(obj1_trans_node);
svp->setAutoSearchForLights(true);
//one active light at startup
_light2_core->setOn(true);
_light2_core->setAmbient(0.3f, 0.3f, 0.3f, 1);
_light2_core->setDiffuse(0.8f, 0.8f, 0.8f, 1);
_light1_core->setOn(false);
_light1_core->setAmbient(0.3, 0.3, 0.3, 1);
_light1_core->setDiffuse(0.8, 0.8, 0.8, 1);
gwin->setGlutId(winid);
#ifdef SHADOW_CHECK
gwin->addPort(svp);
#endif
gwin->init();
OSG::Vec3f min, max;
rootNode->updateVolume();
rootNode->getVolume().getBounds(min, max);
// create the SimpleSceneManager helper
mgr = OSG::SimpleSceneManager::create();
mgr->setWindow(gwin);
mgr->setCamera(Pcamera);
mgr->setRoot(rootNode);
_navigator.setMode(OSG::Navigator::TRACKBALL);
#ifdef SHADOW_CHECK
_navigator.setViewport(svp);
#endif
_navigator.setCameraTransformation(cam_beacon);
OSG::Vec3f up(0,1,0);
OSG::Pnt3f at(0,0,0);
OSG::Pnt3f from(0.0f,-100.1f,20.0f);
_navigator.set(from, at, up);
_navigator.setMotionFactor(0.5f);
#ifdef SHADOW_CHECK
svp->setCamera(Pcamera);
#endif
//activate Framecounter
startFpsCounter();
// dynamic_cast<RenderAction *>(mgr->getAction())->setLocalLights(true);
mgr->turnHeadlightOff();
mgr->showAll();
mgr->getCamera()->setNear( 1.0f);
mgr->getCamera()->setFar (1000000.f );
_navigator.setViewport(gwin->getPort(0));
return 0;
}
