示例#1
0
Vec2f VRIntersect_computeTexel(VRIntersection& ins, NodeRecPtr node) {
    if (!ins.hit) return Vec2f(0,0);
    if (node == 0) return Vec2f(0,0);

    GeometryRefPtr geo = dynamic_cast<Geometry*>( node->getCore() );
    if (geo == 0) return Vec2f(0,0);
    auto texcoords = geo->getTexCoords();
    if (texcoords == 0) return Vec2f(0,0);
    TriangleIterator iter = geo->beginTriangles(); iter.seek( ins.triangle );


    Matrix m = node->getToWorld();
    m.invert();
    Pnt3f local_pnt; m.mult(ins.point, local_pnt);

    Pnt3f p0 = iter.getPosition(0);
    Pnt3f p1 = iter.getPosition(1);
    Pnt3f p2 = iter.getPosition(2);
    Vec3f cr = (p1 - p0).cross(p2 - p0);
    Vec3f n = cr; n.normalize();

    float areaABC = n.dot(cr);
    float areaPBC = n.dot((p1 - local_pnt).cross(p2 - local_pnt));
    float areaPCA = n.dot((p2 - local_pnt).cross(p0 - local_pnt));
    float a = areaPBC / areaABC;
    float b = areaPCA / areaABC;
    float c = 1.0f - a - b;

    return iter.getTexCoords(0) * a + iter.getTexCoords(1) * b + iter.getTexCoords(2) * c;
}
//////////////////////////////////////////////////////////////////////////
//! build a box
//////////////////////////////////////////////////////////////////////////
void buildBox(void)
{
    Vec3f Lengths((Real32)(rand()%2)+1.0, (Real32)(rand()%2)+1.0, (Real32)(rand()%2)+1.0);
    Matrix m;
    //create OpenSG mesh
    GeometryRefPtr box;
    NodeRefPtr boxNode = makeBox(Lengths.x(), Lengths.y(), Lengths.z(), 1, 1, 1);
    box = dynamic_cast<Geometry*>(boxNode->getCore());
    SimpleMaterialRefPtr box_mat = SimpleMaterial::create();
    box_mat->setAmbient(Color3f(0.0,0.0,0.0));
    box_mat->setDiffuse(Color3f(0.0,1.0 ,0.0));

    box->setMaterial(box_mat);

    TransformRefPtr boxTrans;
    NodeRefPtr boxTransNode = makeCoredNode<Transform>(&boxTrans);
    m.setIdentity();
    Real32 randX = (Real32)(rand()%10)-5.0;
    Real32 randY = (Real32)(rand()%10)-5.0;
    m.setTranslate(randX, randY, 10.0);
    boxTrans->setMatrix(m);


    //create ODE data
    PhysicsBodyRefPtr boxBody = PhysicsBody::create(physicsWorld);
    boxBody->setPosition(Vec3f(randX, randY, 10.0));

    boxBody->setBoxMass(1.0, Lengths.x(), Lengths.y(), Lengths.z());
    //std::cout << "mass: "                << boxBody->getMass()                    << std::endl
    //<< "massCenterOfGravity: " << boxBody->getMassCenterOfGravity().x() << ", "      << boxBody->getMassCenterOfGravity().y() << ", " << boxBody->getMassCenterOfGravity().z() << std::endl
    //<< "massInertiaTensor: "   << std::endl
    //<< boxBody->getMassInertiaTensor()[0][0] << " "<< boxBody->getMassInertiaTensor()[0][1] << " "<< boxBody->getMassInertiaTensor()[0][2] << " "   << boxBody->getMassInertiaTensor()[0][3] << std::endl
    //<< boxBody->getMassInertiaTensor()[1][0] << " "<< boxBody->getMassInertiaTensor()[1][1] << " "<< boxBody->getMassInertiaTensor()[1][2] << " "   << boxBody->getMassInertiaTensor()[1][3] << std::endl
    //<< boxBody->getMassInertiaTensor()[2][0] << " "<< boxBody->getMassInertiaTensor()[2][1] << " "<< boxBody->getMassInertiaTensor()[2][2] << " "   << boxBody->getMassInertiaTensor()[2][3] << std::endl
    //<< boxBody->getMassInertiaTensor()[3][0] << " "<< boxBody->getMassInertiaTensor()[3][1] << " "<< boxBody->getMassInertiaTensor()[3][2] << " "   << boxBody->getMassInertiaTensor()[3][3] << std::endl
    //<< std::endl;

    PhysicsBoxGeomRefPtr boxGeom = PhysicsBoxGeom::create();
    boxGeom->setBody(boxBody);
    boxGeom->setSpace(physicsSpace);
    boxGeom->setLengths(Lengths);


    //add attachments
    boxNode->addAttachment(boxGeom);
    boxTransNode->addAttachment(boxBody);
    boxTransNode->addChild(boxNode);


    //add to SceneGraph
    spaceGroupNode->addChild(boxTransNode);

    commitChanges();

}
//////////////////////////////////////////////////////////////////////////
//! trimesh defined by filenode will be loaded
//////////////////////////////////////////////////////////////////////////
void buildTriMesh(void)
{
    NodeRefPtr tri = cloneTree(TriGeometryBase);
    if(tri!=NULL)
    {
        GeometryRefPtr triGeo = dynamic_cast<Geometry*>(tri->getCore()); 
        Matrix m;
        SimpleMaterialRefPtr tri_mat = SimpleMaterial::create();
        tri_mat->setAmbient(Color3f(0.1,0.1,0.2));
        tri_mat->setDiffuse(Color3f(1.0,0.1,0.7));

        triGeo->setMaterial(tri_mat);
        TransformRefPtr triTrans;
        NodeRefPtr triTransNode = makeCoredNode<Transform>(&triTrans);
        m.setIdentity();
        Real32 randX = (Real32)(rand()%10)-5.0;
        Real32 randY = (Real32)(rand()%10)-5.0;
        m.setTranslate(randX, randY, 18.0);
        triTrans->setMatrix(m);

        //create ODE data
        Vec3f GeometryBounds(calcMinGeometryBounds(triGeo));
        PhysicsBodyRefPtr triBody = PhysicsBody::create(physicsWorld);
        triBody->setPosition(Vec3f(randX, randY, 18.0));
        triBody->setLinearDamping(0.0001);
        triBody->setAngularDamping(0.0001);

        triBody->setBoxMass(1.0,GeometryBounds.x(), GeometryBounds.y(), GeometryBounds.z());
        PhysicsGeomRefPtr triGeom;
        if(true)
        {
            triGeom = PhysicsTriMeshGeom::create();
            triGeom->setBody(triBody);
            //add geom to space for collision
            triGeom->setSpace(physicsSpace);
            //set the geometryNode to fill the ode-triMesh
            NodeRefPtr TorusGeometryNode(makeTorus(0.55, 1.05, 6, 6));
            dynamic_pointer_cast<PhysicsTriMeshGeom>(triGeom)->setGeometryNode(TorusGeometryNode);
        }

        //add attachments
        tri->addAttachment(triGeom);
        triTransNode->addAttachment(triBody);
        //add to SceneGraph
        triTransNode->addChild(tri);
        spaceGroupNode->addChild(triTransNode);
    }
    else
    {
        SLOG << "Could not read MeshData!" << endLog;
    }

    commitChanges();
}
//////////////////////////////////////////////////////////////////////////
//! build a ship
//////////////////////////////////////////////////////////////////////////
PhysicsBodyRefPtr buildShip(Vec3f Dimensions, Pnt3f Position)
{
    Real32 Radius(osgMax(Dimensions.x(), Dimensions.y())/2.0f);
    Real32 Length(Dimensions.z() - 2.0f*Radius);

    Matrix m;
    //create OpenSG mesh
    GeometryRefPtr box;
    NodeRefPtr boxNode = makeBox(Dimensions.x(), Dimensions.y(), Dimensions.z(), 1, 1, 1);
    box = dynamic_cast<Geometry*>(boxNode->getCore());
    SimpleMaterialRefPtr box_mat = SimpleMaterial::create();
        box_mat->setAmbient(Color3f(0.0,0.0,0.0));
        box_mat->setDiffuse(Color3f(1.0,1.0 ,0.0));
        box->setMaterial(box_mat);
    TransformRefPtr boxTrans;
    NodeRefPtr boxTransNode = makeCoredNode<Transform>(&boxTrans);
    m.setIdentity();
    m.setTranslate(Position - Vec3f(0.0f,0.0f,0.5f*Dimensions.z()));
        boxTrans->setMatrix(m);

        for(UInt32 i(0) ; i<box->getPositions()->size() ; ++i)
        {
            box->getPositions()->setValue<Pnt3f>(box->getPositions()->getValue<Pnt3f>(i) + Vec3f(0.0,0.0,Dimensions.z()/2.0f),i);
        }


    //create ODE data

    PhysicsBodyRefPtr CapsuleBody = PhysicsBody::create(physicsWorld);
        CapsuleBody->setPosition(Vec3f(Position - Vec3f(0.0f,0.0f,0.5f*Dimensions.z())));
        CapsuleBody->setLinearDamping(0.01);
        CapsuleBody->setMaxAngularSpeed(0.0);
    CapsuleBody->setCapsuleMass(1.0,3,Radius, Length);

    PhysicsCapsuleGeomRefPtr CapsuleGeom = PhysicsCapsuleGeom::create();
        CapsuleGeom->setBody(CapsuleBody);
        CapsuleGeom->setOffsetPosition(Vec3f(0.0f,0.0f,0.5f*Dimensions.z()));
        CapsuleGeom->setSpace(hashSpace);
        CapsuleGeom->setRadius(Radius);
        CapsuleGeom->setLength(Length);

    //add attachments
        boxNode->addAttachment(CapsuleGeom);
        boxTransNode->addAttachment(CapsuleBody);
        boxTransNode->addChild(boxNode);

    //add to SceneGraph
        spaceGroupNode->addChild(boxTransNode);

    commitChanges();

    return CapsuleBody;
}
//////////////////////////////////////////////////////////////////////////
//! build a sphere
//////////////////////////////////////////////////////////////////////////
void buildSphere(void)
{
    Real32 Radius((Real32)(rand()%2)*0.5+0.5);
    Matrix m;
    //create OpenSG mesh
    GeometryRefPtr sphere;
    NodeRefPtr sphereNode = makeSphere(2, Radius);
    sphere = dynamic_cast<Geometry*>(sphereNode->getCore());
    SimpleMaterialRefPtr sphere_mat = SimpleMaterial::create();
    sphere_mat->setAmbient(Color3f(0.0,0.0,0.0));
    sphere_mat->setDiffuse(Color3f(0.0,0.0,1.0));

    sphere->setMaterial(sphere_mat);

    TransformRefPtr sphereTrans;
    NodeRefPtr sphereTransNode = makeCoredNode<Transform>(&sphereTrans);
    m.setIdentity();
    Real32 randX = (Real32)(rand()%10)-5.0;
    Real32 randY = (Real32)(rand()%10)-5.0;
    m.setTranslate(randX, randY, 10.0);
    sphereTrans->setMatrix(m);

    //create ODE data
    PhysicsBodyRefPtr sphereBody = PhysicsBody::create(physicsWorld);
    sphereBody->setPosition(Vec3f(randX, randY, 10.0));
    sphereBody->setAngularDamping(0.0001);

    sphereBody->setSphereMass(1.0,Radius);

    PhysicsSphereGeomRefPtr sphereGeom = PhysicsSphereGeom::create();
    sphereGeom->setBody(sphereBody);
    sphereGeom->setSpace(physicsSpace);
    sphereGeom->setRadius(Radius);


    //add attachments
    sphereNode->addAttachment(sphereGeom);

    sphereTransNode->addAttachment(sphereBody);
    sphereTransNode->addChild(sphereNode);

    //add to SceneGraph
    spaceGroupNode->addChild(sphereTransNode);

    commitChanges();
}
GeometryRefPtr buildTerrain(Vec2f Dimensions, UInt32 XSubdivisions, UInt32 YSubdivisions)
{
    GeoUInt8PropertyRefPtr type = GeoUInt8Property::create();        
    type->addValue(GL_TRIANGLES);

    GeoPnt3fPropertyRefPtr  pnts  = GeoPnt3fProperty ::create();
    GeoVec3fPropertyRefPtr  norms = GeoVec3fProperty ::create();
    Real32 ZScale(8.0);
    for(UInt32 i(0) ; i<XSubdivisions ; ++i)
    {
        for(UInt32 j(0) ; j<YSubdivisions ; ++j)
        {
            Real32 Theta(5*3.14159*(static_cast<Real32>(i)/static_cast<Real32>(XSubdivisions))),
                   ThetaNext(5*3.14159*(static_cast<Real32>(i+1)/static_cast<Real32>(XSubdivisions)));
            // the points of the Tris
            pnts->addValue(Pnt3f(-Dimensions.x()/2.0+i*(Dimensions.x()/static_cast<Real32>(XSubdivisions)),  Dimensions.y()/2.0-j*(Dimensions.y()/static_cast<Real32>(YSubdivisions)),  ZScale*osgCos(Theta)));
            norms->addValue(Vec3f( 0.0,0.0,1.0));
            pnts->addValue(Pnt3f(-Dimensions.x()/2.0+i*(Dimensions.x()/static_cast<Real32>(XSubdivisions)),  Dimensions.y()/2.0-(j+1)*(Dimensions.y()/static_cast<Real32>(YSubdivisions)),  ZScale*osgCos(Theta)));
            norms->addValue(Vec3f( 0.0,0.0,1.0));
            pnts->addValue(Pnt3f(-Dimensions.x()/2.0+(i+1)*(Dimensions.x()/static_cast<Real32>(XSubdivisions)),  Dimensions.y()/2.0-j*(Dimensions.y()/static_cast<Real32>(YSubdivisions)),  ZScale*osgCos(ThetaNext)));
            norms->addValue(Vec3f( 0.0,0.0,1.0));

            pnts->addValue(Pnt3f(-Dimensions.x()/2.0+i*(Dimensions.x()/static_cast<Real32>(XSubdivisions)),  Dimensions.y()/2.0-(j+1)*(Dimensions.y()/static_cast<Real32>(YSubdivisions)),  ZScale*osgCos(Theta)));
            norms->addValue(Vec3f( 0.0,0.0,1.0));
            pnts->addValue(Pnt3f(-Dimensions.x()/2.0+(i+1)*(Dimensions.x()/static_cast<Real32>(XSubdivisions)),  Dimensions.y()/2.0-(j+1)*(Dimensions.y()/static_cast<Real32>(YSubdivisions)),  ZScale*osgCos(ThetaNext)));
            norms->addValue(Vec3f( 0.0,0.0,1.0));
            pnts->addValue(Pnt3f(-Dimensions.x()/2.0+(i+1)*(Dimensions.x()/static_cast<Real32>(XSubdivisions)),  Dimensions.y()/2.0-j*(Dimensions.y()/static_cast<Real32>(YSubdivisions)),  ZScale*osgCos(ThetaNext)));
            norms->addValue(Vec3f( 0.0,0.0,1.0));
        }
    }


    GeoUInt32PropertyUnrecPtr lens = GeoUInt32Property::create();    
    lens->addValue(pnts->size());

    GeometryRefPtr Terrain = Geometry::create();
    Terrain->setTypes    (type);
    Terrain->setLengths  (lens);
    Terrain->setPositions(pnts);
    Terrain->setNormals(norms);

    calcVertexNormals(Terrain);

    return Terrain;
}
ChunkMaterial *getChunkMaterial(Node *node)
{
    NodeCore            *pCore = node->getCore();
    ChunkMaterialRefPtr  cm;
    
    if((pCore != NULL) && 
       (pCore->getType().isDerivedFrom(MaterialGroup::getClassType())))
    {
        MaterialGroupRefPtr g = dynamic_cast<MaterialGroup *>(pCore);
        cm = dynamic_cast<ChunkMaterial *>(g->getMaterial());
    }
    else if((pCore != NULL) &&
            (pCore->getType().isDerivedFrom(Geometry::getClassType())))
    {
        GeometryRefPtr g = dynamic_cast<Geometry *>(pCore);
        cm = dynamic_cast<ChunkMaterial *>(g->getMaterial());
    }
    
    return cm;
}
//////////////////////////////////////////////////////////////////////////
//! build a box
//////////////////////////////////////////////////////////////////////////
PhysicsBodyRefPtr buildBox(Vec3f Dimensions, Pnt3f Position)
{
    Matrix m;
    //create OpenSG mesh
    GeometryRefPtr box;
    NodeRefPtr boxNode = makeBox(Dimensions.x(), Dimensions.y(), Dimensions.z(), 1, 1, 1);
    box = dynamic_cast<Geometry*>(boxNode->getCore());
    SimpleMaterialRefPtr box_mat = SimpleMaterial::create();
        box_mat->setAmbient(Color3f(0.0,0.0,0.0));
        box_mat->setDiffuse(Color3f(0.0,1.0 ,1.0));
        box->setMaterial(box_mat);
    TransformRefPtr boxTrans;
    NodeRefPtr boxTransNode = makeCoredNode<Transform>(&boxTrans);
    m.setIdentity();
    m.setTranslate(Position);
        boxTrans->setMatrix(m);

    //create ODE data
    PhysicsBodyRefPtr boxBody = PhysicsBody::create(physicsWorld);
        boxBody->setPosition(Vec3f(Position));
        boxBody->setLinearDamping(0.001);
        boxBody->setAngularDamping(0.001);
    boxBody->setBoxMass(1.0,Dimensions.x(), Dimensions.y(), Dimensions.z());

    PhysicsBoxGeomRefPtr boxGeom = PhysicsBoxGeom::create();
        boxGeom->setBody(boxBody);
        boxGeom->setSpace(hashSpace);
        boxGeom->setLengths(Dimensions);

    //add attachments
        boxNode->addAttachment(boxGeom);
        boxTransNode->addAttachment(boxBody);
        boxTransNode->addChild(boxNode);

    //add to SceneGraph
        spaceGroupNode->addChild(boxTransNode);

    commitChanges();

    return boxBody;
}
// Initialize GLUT & OpenSG and set up the rootNode
int main(int argc, char **argv)
{
    // OSG init
    osgInit(argc,argv);

    {
        // Set up Window
        WindowEventProducerRecPtr TutorialWindow = createNativeWindow();
        TutorialWindow->initWindow();

        // Create the SimpleSceneManager helper
        SimpleSceneManager sceneManager;
        TutorialWindow->setDisplayCallback(boost::bind(display, &sceneManager));
        TutorialWindow->setReshapeCallback(boost::bind(reshape, _1, &sceneManager));

        // Tell the Manager what to manage
        sceneManager.setWindow(TutorialWindow);

        //Attach to events
        TutorialWindow->connectMousePressed(boost::bind(mousePressed, _1, &sceneManager));
        TutorialWindow->connectMouseReleased(boost::bind(mouseReleased, _1, &sceneManager));
        TutorialWindow->connectMouseMoved(boost::bind(mouseMoved, _1, &sceneManager));
        TutorialWindow->connectMouseDragged(boost::bind(mouseDragged, _1, &sceneManager));
        TutorialWindow->connectMouseWheelMoved(boost::bind(mouseWheelMoved, _1, &sceneManager));
        TutorialWindow->connectKeyReleased(boost::bind(keyReleased, _1));

        //Make Main Scene Node
        NodeRefPtr scene = makeCoredNode<Group>();
        setName(scene, "scene");
        NodeRecPtr rootNode = Node::create();
        setName(rootNode, "rootNode");
        ComponentTransformRefPtr Trans = ComponentTransform::create();
        rootNode->setCore(Trans);
        rootNode->addChild(scene);

        //Light Beacon
        Matrix LightTransformMat;
        LightTransformMat.setTranslate(Vec3f(50.0,0.0,100.0));

        TransformRefPtr LightTransform = Transform::create();
        LightTransform->setMatrix(LightTransformMat);

        NodeRefPtr TutorialLightBeacon = Node::create();
        TutorialLightBeacon->setCore(LightTransform);

        //Light Node
        PointLightRefPtr TutorialLight = PointLight::create();
        TutorialLight->setBeacon(TutorialLightBeacon);

        NodeRefPtr TutorialLightNode = Node::create();
        TutorialLightNode->setCore(TutorialLight);

        scene->addChild(TutorialLightNode);
        scene->addChild(TutorialLightBeacon);


        //Setup Physics Scene
        PhysicsWorldRecPtr physicsWorld = PhysicsWorld::create();
        physicsWorld->setWorldContactSurfaceLayer(0.005);
        physicsWorld->setAutoDisableFlag(1);
        physicsWorld->setAutoDisableTime(0.75);
        physicsWorld->setWorldContactMaxCorrectingVel(100.0);
        physicsWorld->setGravity(Vec3f(0.0, 0.0, -9.81));

        PhysicsHashSpaceRecPtr physicsSpace = PhysicsHashSpace::create();

        //Setup the default collision parameters
        CollisionContactParametersRefPtr DefaultCollisionParams = CollisionContactParameters::createEmpty();
        DefaultCollisionParams->setMode(dContactApprox1);
        DefaultCollisionParams->setMu(1.0);
        DefaultCollisionParams->setMu2(0.0);
        DefaultCollisionParams->setBounce(0.0);
        DefaultCollisionParams->setBounceSpeedThreshold(0.0);
        DefaultCollisionParams->setSoftCFM(0.1);
        DefaultCollisionParams->setSoftERP(0.2);
        DefaultCollisionParams->setMotion1(0.0);
        DefaultCollisionParams->setMotion2(0.0);
        DefaultCollisionParams->setMotionN(0.0);
        DefaultCollisionParams->setSlip1(0.0);
        DefaultCollisionParams->setSlip2(0.0);

        physicsSpace->setDefaultCollisionParameters(DefaultCollisionParams);

        PhysicsHandlerRecPtr physHandler = PhysicsHandler::create();
        physHandler->setWorld(physicsWorld);
        physHandler->pushToSpaces(physicsSpace);
        physHandler->setUpdateNode(rootNode);
        physHandler->attachUpdateProducer(TutorialWindow);

        rootNode->addAttachment(physHandler);    
        rootNode->addAttachment(physicsWorld);
        rootNode->addAttachment(physicsSpace);


        /************************************************************************/
        /* create spaces, geoms and bodys                                                                     */
        /************************************************************************/
        //create a group for our space
        GroupRefPtr spaceGroup;
        NodeRecPtr spaceGroupNode = makeCoredNode<Group>(&spaceGroup);

        //create the ground terrain
        GeometryRefPtr TerrainGeo = buildTerrain(Vec2f(400.0,400.0),25,25);

        //and its Material
        SimpleMaterialRefPtr TerrainMat = SimpleMaterial::create();
        TerrainMat->setAmbient(Color3f(0.3,0.5,0.3));
        TerrainMat->setDiffuse(Color3f(0.5,0.9,0.5));
        TerrainGeo->setMaterial(TerrainMat);

        NodeRefPtr TerrainNode = Node::create();
        TerrainNode->setCore(TerrainGeo);


        //create ODE data
        PhysicsGeomRefPtr TerrainODEGeom = PhysicsTriMeshGeom::create();

        //add geom to space for collision
        TerrainODEGeom->setSpace(physicsSpace);
        //set the geometryNode to fill the ode-triMesh
        dynamic_pointer_cast<PhysicsTriMeshGeom>(TerrainODEGeom)->setGeometryNode(TerrainNode);

        //add attachments
        //add Attachments to nodes...
        spaceGroupNode->addAttachment(physicsSpace);
        spaceGroupNode->addChild(TerrainNode);

        TerrainNode->addAttachment(TerrainODEGeom);

        TutorialLightNode->addChild(spaceGroupNode);

        //Create Character
        PhysicsBodyRefPtr CharacterPhysicsBody = buildCharacter(Vec3f(5.0,5.0,10.0),
                                                                Pnt3f((Real32)(rand()%100)-50.0,(Real32)(rand()%100)-50.0,25.0),
                                                                spaceGroupNode,
                                                                physicsWorld,
                                                                physicsSpace);

        PhysicsLMotorJointRefPtr CharacterMover = buildMover(CharacterPhysicsBody);

        TutorialWindow->connectKeyPressed(boost::bind(keyPressed, _1,
                                                      spaceGroupNode.get(),
                                                      physicsWorld.get(),
                                                      physicsSpace.get()));

        TutorialWindow->connectUpdate(boost::bind(handleUpdate, _1,
                                                  CharacterPhysicsBody.get(),
                                                  CharacterMover.get()));

        // tell the manager what to manage
        sceneManager.setRoot  (rootNode);

        // show the whole rootNode
        sceneManager.showAll();

        Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
        Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
        TutorialWindow->openWindow(WinPos,
                                   WinSize,
                                   "03CharacterTerrain");

        //Enter main Loop
        TutorialWindow->mainLoop();
    }

    osgExit();

    return 0;
}
// Initialize GLUT & OpenSG and set up the scene
int main(int argc, char **argv)
{
    // OSG init
    osgInit(argc,argv);

    {

    // Set up Window
    TutorialWindow = createNativeWindow();

    TutorialWindow->setDisplayCallback(display);
    TutorialWindow->setReshapeCallback(reshape);

    //Add Window Listener
    TutorialKeyListener TheKeyListener;
    TutorialWindow->addKeyListener(&TheKeyListener);
    TutorialMouseListener TheTutorialMouseListener;
    TutorialMouseMotionListener TheTutorialMouseMotionListener;
    TutorialWindow->addMouseListener(&TheTutorialMouseListener);
    TutorialWindow->addMouseMotionListener(&TheTutorialMouseMotionListener);

    //Initialize Window
    TutorialWindow->initWindow();
    
    //Torus Material
    TheTorusMaterial = SimpleMaterial::create();
    dynamic_pointer_cast<SimpleMaterial>(TheTorusMaterial)->setAmbient(Color3f(0.2,0.2,0.2));
    dynamic_pointer_cast<SimpleMaterial>(TheTorusMaterial)->setDiffuse(Color3f(0.7,0.7,0.7));
    dynamic_pointer_cast<SimpleMaterial>(TheTorusMaterial)->setSpecular(Color3f(0.7,0.7,0.7));
    dynamic_pointer_cast<SimpleMaterial>(TheTorusMaterial)->setShininess(100.0f);

    //Torus Geometry
    GeometryRefPtr TorusGeometry = makeTorusGeo(.5, 2, 32, 32);
    TorusGeometry->setMaterial(TheTorusMaterial);
    
    NodeRefPtr TorusGeometryNode = Node::create();
    TorusGeometryNode->setCore(TorusGeometry);

    //Make Torus Node
    NodeRefPtr TorusNode = Node::create();
    TorusNodeTrans = Transform::create();
    setName(TorusNodeTrans, std::string("TorusNodeTransformationCore"));

    TorusNode->setCore(TorusNodeTrans);
    TorusNode->addChild(TorusGeometryNode);

    //Make Main Scene Node
    NodeRefPtr scene = Node::create();
    Trans = ComponentTransform::create();
    setName(Trans, std::string("MainTransformationCore"));

    scene->setCore(Trans);
    scene->addChild(TorusNode);

    setupAnimation();

    commitChanges();

    // Create the SimpleSceneManager helper
    mgr = new SimpleSceneManager;

    // Tell the Manager what to manage
    mgr->setWindow(TutorialWindow);

    // tell the manager what to manage
    mgr->setRoot  (scene);

    // show the whole scene
    mgr->showAll();

    
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
            WinSize,
            "OpenSG 02TransformAnimation Window");

    //Enter main Loop
    TutorialWindow->mainLoop();

    }

    osgExit();

    return 0;
}
示例#11
0
// Initialize GLUT & OpenSG and set up the rootNode
int main(int argc, char **argv)
{
    // OSG init
    osgInit(argc,argv);

    // Set up Window
    TutorialWindow = createNativeWindow();
    TutorialWindow->initWindow();

    TutorialWindow->setDisplayCallback(display);
    TutorialWindow->setReshapeCallback(reshape);

    TutorialKeyListener TheKeyListener;
    TutorialWindow->addKeyListener(&TheKeyListener);
    TutorialMouseListener TheTutorialMouseListener;
    TutorialMouseMotionListener TheTutorialMouseMotionListener;
    TutorialWindow->addMouseListener(&TheTutorialMouseListener);
    TutorialWindow->addMouseMotionListener(&TheTutorialMouseMotionListener);


    // Create the SimpleSceneManager helper
    mgr = new SimpleSceneManager;


    // Tell the Manager what to manage
    mgr->setWindow(TutorialWindow);

    //Make Base Geometry Node
    TriGeometryBase = makeTorus(0.5, 1.0, 24, 24);

    //Make Main Scene Node
    NodeRefPtr scene = makeCoredNode<Group>();
    setName(scene, "scene");
    rootNode = Node::create();
    setName(rootNode, "rootNode");
    ComponentTransformRefPtr Trans;
    Trans = ComponentTransform::create();
    rootNode->setCore(Trans);

    // add the torus as a child
    rootNode->addChild(scene);

    //Make The Physics Characteristics Node
    PhysicsCharacteristicsDrawableRefPtr PhysDrawable = PhysicsCharacteristicsDrawable::create();
    PhysDrawable->setRoot(rootNode);

    PhysDrawableNode = Node::create();
    PhysDrawableNode->setCore(PhysDrawable);
    PhysDrawableNode->setTravMask(TypeTraits<UInt32>::getMin());

    rootNode->addChild(PhysDrawableNode);


    //Setup Physics Scene
    physicsWorld = PhysicsWorld::create();
    physicsWorld->setWorldContactSurfaceLayer(0.005);
    physicsWorld->setAutoDisableFlag(1);
    physicsWorld->setAutoDisableTime(0.75);
    physicsWorld->setWorldContactMaxCorrectingVel(100.0);
    physicsWorld->setGravity(Vec3f(0.0, 0.0, -9.81));

    physicsSpace = PhysicsHashSpace::create();

    physHandler = PhysicsHandler::create();
    physHandler->setWorld(physicsWorld);
    physHandler->pushToSpaces(physicsSpace);
    physHandler->setUpdateNode(rootNode);

    physHandler->attachUpdateProducer(TutorialWindow->editEventProducer());


    /************************************************************************/
    /* create spaces, geoms and bodys                                       */
    /************************************************************************/
    //create a group for our space
    GroupRefPtr spaceGroup;
    spaceGroupNode = makeCoredNode<Group>(&spaceGroup);
    //create the ground plane
    GeometryRefPtr plane;
    NodeRefPtr planeNode = makeBox(30.0, 30.0, 1.0, 1, 1, 1);
    plane = dynamic_cast<Geometry*>(planeNode->getCore());
    //and its Material
    SimpleMaterialRefPtr plane_mat = SimpleMaterial::create();
    plane_mat->setAmbient(Color3f(0.7,0.7,0.7));
    plane_mat->setDiffuse(Color3f(0.9,0.6,1.0));

    plane->setMaterial(plane_mat);



    //create Physical Attachments
    PhysicsBoxGeomRefPtr planeGeom = PhysicsBoxGeom::create();
    planeGeom->setLengths(Vec3f(30.0, 30.0, 1.0));
    //add geoms to space for collision
    planeGeom->setSpace(physicsSpace);


    //add Attachments to nodes...
    spaceGroupNode->addAttachment(physicsSpace);
    spaceGroupNode->addAttachment(physHandler);    
    spaceGroupNode->addAttachment(physicsWorld);
    spaceGroupNode->addChild(planeNode);


    planeNode->addAttachment(planeGeom);


    scene->addChild(spaceGroupNode);


    //Create Statistics Foreground
    SimpleStatisticsForegroundRefPtr PhysicsStatForeground = SimpleStatisticsForeground::create();
    PhysicsStatForeground->setSize(25);
    PhysicsStatForeground->setColor(Color4f(0,1,0,0.7));
    PhysicsStatForeground->addElement(PhysicsHandler::statPhysicsTime, 
                                      "Physics time: %.3f s");
    PhysicsStatForeground->addElement(PhysicsHandler::statCollisionTime, 
                                      "Collision time: %.3f s");
    PhysicsStatForeground->addElement(PhysicsHandler::statSimulationTime, 
                                      "Simulation time: %.3f s");
    PhysicsStatForeground->addElement(PhysicsHandler::statNCollisions, 
                                      "%d collisions");
    PhysicsStatForeground->addElement(PhysicsHandler::statNCollisionTests, 
                                      "%d collision tests");
    PhysicsStatForeground->addElement(PhysicsHandler::statNPhysicsSteps, 
                                      "%d simulation steps per frame");
    PhysicsStatForeground->setVerticalAlign(SimpleStatisticsForeground::Center);


    SimpleStatisticsForegroundRefPtr RenderStatForeground = SimpleStatisticsForeground::create();
    RenderStatForeground->setSize(25);
    RenderStatForeground->setColor(Color4f(0,1,0,0.7));
    RenderStatForeground->addElement(RenderAction::statDrawTime, "Draw FPS: %r.3f");
    RenderStatForeground->addElement(RenderAction::statNGeometries, 
                                     "%d Nodes drawn");





    // tell the manager what to manage
    mgr->setRoot  (rootNode);

    mgr->getWindow()->getPort(0)->addForeground(PhysicsStatForeground);
    mgr->getWindow()->getPort(0)->addForeground(RenderStatForeground);

    physHandler->setStatistics(PhysicsStatForeground->editCollector());
    mgr->getRenderAction()->setStatCollector(RenderStatForeground->editCollector());

    // show the whole rootNode
    mgr->showAll();

    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "01SimplePhysics");

    //Enter main Loop
    TutorialWindow->mainLoop();

    osgExit();

    return 0;
}
int main(int argc, char **argv)
{
    // OSG init
    osgInit(argc,argv);
    
    {
        // Set up Window
        WindowEventProducerRecPtr TutorialWindow = createNativeWindow();
        TutorialWindow->initWindow();

        // Create the SimpleSceneManager helper
        SimpleSceneManager sceneManager;
        TutorialWindow->setDisplayCallback(boost::bind(display, &sceneManager));
        TutorialWindow->setReshapeCallback(boost::bind(reshape, _1, &sceneManager));

        // Tell the Manager what to manage
        sceneManager.setWindow(TutorialWindow);

        TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1));
        TutorialWindow->connectMousePressed(boost::bind(mousePressed, _1, &sceneManager));
        TutorialWindow->connectMouseReleased(boost::bind(mouseReleased, _1, &sceneManager));
        TutorialWindow->connectMouseDragged(boost::bind(mouseDragged, _1, &sceneManager));
        TutorialWindow->connectMouseWheelMoved(boost::bind(mouseWheelMoved, _1, &sceneManager));

        BoostPath EffectFilePath("./Data/goochyPt.cgfx");
        if(argc >= 2)
        {
            EffectFilePath = BoostPath(argv[1]);
            if(!boost::filesystem::exists(EffectFilePath))
            {
                std::cerr << "Could not load file: "<< EffectFilePath.string()
                          << ", because no such files exists."<< std::endl;
                EffectFilePath = BoostPath("./Data/goochyPt.cgfx");
            }
        }

        //Make the CgFX Material
        CgFXMaterialRecPtr ExampleMaterial = CgFXMaterial::create();
        ExampleMaterial->setEffectFile(EffectFilePath.string());

        // Make Torus Node (creates Torus in background of scene)
        GeometryRefPtr TorusGeometry = makeTorusGeo(.5, 2, 16, 16);
        //GeometryRefPtr TorusGeometry = makeBoxGeo(1.0,1.0,1.0,1,1,1);
        TorusGeometry->setMaterial(ExampleMaterial);
        TorusGeometry->setDlistCache(false);

        NodeRefPtr TorusGeometryNode = makeNodeFor(TorusGeometry);

        // Make Main Scene Node and add the Torus
        NodeRefPtr scene = OSG::Node::create();
        scene->setCore(OSG::Group::create());
        scene->addChild(TorusGeometryNode);

        sceneManager.setRoot(scene);

        //Create the Documentation Foreground and add it to the viewport
        SimpleScreenDoc TheSimpleScreenDoc(&sceneManager, TutorialWindow);

        // Show the whole Scene
        sceneManager.showAll();

        //Open Window
        Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
        Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
        TutorialWindow->openWindow(WinPos,
                                   WinSize,
                                   "04CgFXMaterial");

        commitChanges();

        //Enter main Loop
        TutorialWindow->mainLoop();
    }

    osgExit();

    return 0;
}