C++ NodeRefPtr::addAttachment方法代码示例

//////////////////////////////////////////////////////////////////////////
//! 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 character
//////////////////////////////////////////////////////////////////////////
PhysicsBodyRefPtr buildCharacter(Vec3f Dimensions,
                                 Pnt3f Position,
                                 Node* const spaceGroupNode,
                                 PhysicsWorld* const physicsWorld,
                                 PhysicsHashSpace* const physicsSpace
                                 )
{
    Real32 Radius(osgMax(Dimensions.x(), Dimensions.y())/2.0f);
    Real32 Length(Dimensions.z() - 2.0f*Radius);

    Matrix m;
    //create OpenSG mesh
    GeometryRefPtr box;
    //NodeRefPtr characterNode = makeBox(Dimensions.x(), Dimensions.y(), Dimensions.z(), 1, 1, 1);
    NodeRefPtr characterNode = SceneFileHandler::the()->read("Data/Jack.osb");
    if(characterNode == NULL)
    {
        characterNode = makeBox(Dimensions.x(), Dimensions.y(), Dimensions.z(), 1, 1, 1);
    }
    box = dynamic_cast<Geometry*>(characterNode->getCore());
    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->setMaxAngularSpeed(0.0);
    boxBody->setCapsuleMass(1.0,3,Radius, Length);

    PhysicsCapsuleGeomRefPtr CapsuleGeom = PhysicsCapsuleGeom::create();
    CapsuleGeom->setBody(boxBody);
    CapsuleGeom->setSpace(physicsSpace);
    CapsuleGeom->setRadius(Radius);
    CapsuleGeom->setLength(Length);

    //add attachments
    characterNode->addAttachment(CapsuleGeom);
    boxTransNode->addAttachment(boxBody);
    boxTransNode->addChild(characterNode);

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

    return boxBody;
}

//////////////////////////////////////////////////////////////////////////
//! 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();
}

//////////////////////////////////////////////////////////////////////////
//! 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
    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);
	TutorialUpdateListener TheTutorialUpdateListener;
    TutorialWindow->addUpdateListener(&TheTutorialUpdateListener);


    // Create the SimpleSceneManager helper
    mgr = new SimpleSceneManager;

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

    //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
    PhysicsCharacteristicsDrawableUnrecPtr PhysDrawable = PhysicsCharacteristicsDrawable::create();
        PhysDrawable->setRoot(rootNode);

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

    rootNode->addChild(PhysDrawableNode);

    //Light Beacon
    NodeRefPtr TutorialLightBeacon = makeCoredNode<Transform>();

    //Light Node
    DirectionalLightRefPtr TutorialLight = DirectionalLight::create();
    TutorialLight->setDirection(0.0,0.0,-1.0);
    TutorialLight->setBeacon(TutorialLightBeacon);

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

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


    //Setup Physics Scene
    physicsWorld = PhysicsWorld::create();
        physicsWorld->setWorldContactSurfaceLayer(0.01);
        physicsWorld->setAutoDisableFlag(1);
        physicsWorld->setAutoDisableTime(0.75);
        physicsWorld->setWorldContactMaxCorrectingVel(1.0);
        //physicsWorld->setGravity(Vec3f(0.0, 0.0, -9.81));
        //physicsWorld->setCfm(0.001);
        //physicsWorld->setErp(0.2);

    hashSpace = PhysicsHashSpace::create();

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

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


	/************************************************************************/
	/* create spaces, geoms and bodys                                                                     */
	/************************************************************************/
    //create a group for our space
    GroupRefPtr spaceGroup;
	spaceGroupNode = makeCoredNode<Group>(&spaceGroup);
	//add Attachments to nodes...
//.........这里部分代码省略.........

// 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;
//.........这里部分代码省略.........

// 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);
//.........这里部分代码省略.........