C++ ParticleSystemRefPtr::addParticle方法代码示例

    virtual void mousePressed(const MouseEventUnrecPtr e)
    {
        if(dynamic_cast<WindowEventProducer*>(e->getSource())->getKeyModifiers() & KeyEvent::KEY_MODIFIER_CONTROL)
        {
            mgr->mouseButtonPress(e->getButton(), e->getLocation().x(), e->getLocation().y());
        }
        else
        {
            Line TheRay;
            if(e->getButton() == MouseEvent::BUTTON1)
            {

                mgr->getCamera()->calcViewRay(TheRay,e->getLocation().x(),e->getLocation().y(),*(mgr->getWindow()->getPort(0)));
                std::cout<<"Velocity "<<TheRay.getDirection()<<std::endl;
            }
            RocketParticleSystem->addParticle(TheRay.getPosition(),
                                              Vec3f(0.0,1.0f,0.0f),
                                              Color4f(1.0,0.0,0.0,1.0), 
                                              Vec3f(1.0,1.0,1.0), 
                                              10, 
                                              Vec3f(TheRay.getDirection()*50), //Velocity
                                              Vec3f(0.0f,0.0f,0.0f)
                                             );
        }
    }

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->connectKeyTyped(boost::bind(keyTyped, _1, &sceneManager));

        //Particle System Material
        PointChunkRefPtr PSPointChunk = PointChunk::create();
        PSPointChunk->setSize(5.0f);
        PSPointChunk->setSmooth(true);
        BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
        PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
        PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

        MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
        PSMaterialChunkChunk->setAmbient(Color4f(0.3f,0.3f,0.3f,1.0f));
        PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
        PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
        PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

        ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
        PSMaterial->addChunk(PSPointChunk);
        PSMaterial->addChunk(PSMaterialChunkChunk);
        PSMaterial->addChunk(PSBlendChunk);

        Distribution3DRefPtr PositionDistribution = createPositionDistribution();

        Pnt3f PositionReturnValue;

        //Particle System
        ParticleSystemRefPtr ExampleParticleSystem = ParticleSystem::create();
        for(UInt32 i(0) ; i<500 ; ++i)//controls how many particles are created
        {
            if(PositionDistribution != NULL)
            {
                PositionReturnValue = Pnt3f(PositionDistribution->generate());
            }

            ExampleParticleSystem->addParticle(
                                               PositionReturnValue,
                                               Vec3f(0.0f,0.0f,1.0f),
                                               Color4f(1.0,0.0,0.0,1.0), 
                                               Vec3f(1.0,1.0,1.0), 
                                               -1, 
                                               Vec3f(0.0f,0.0f,0.0f), //Velocity
                                               Vec3f(0.0f,0.0f,0.0f)	//acceleration
                                              );
        }
        ExampleParticleSystem->attachUpdateProducer(TutorialWindow);

        //Particle System Drawer
        PointParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = PointParticleSystemDrawer::create();



        //Particle System Node
        ParticleSystemCoreRefPtr ParticleNodeCore = ParticleSystemCore::create();
        ParticleNodeCore->setSystem(ExampleParticleSystem);
        ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
        ParticleNodeCore->setMaterial(PSMaterial);

        NodeRefPtr ParticleNode = Node::create();
        ParticleNode->setCore(ParticleNodeCore);


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

        sceneManager.setRoot(scene);

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

        //Create an DistanceKill
        DistanceKillParticleAffectorRefPtr ExampleDistanceKillParticleAffector = DistanceKillParticleAffector::create();
        ExampleDistanceKillParticleAffector->setKillDistance(1000.0f);
        ExampleDistanceKillParticleAffector->setParticleSystemNode(ParticleNode);
        ExampleDistanceKillParticleAffector->setDistanceFromSource(DistanceKillParticleAffector::DISTANCE_FROM_CAMERA);
//.........这里部分代码省略.........

int main(int argc, char **argv)
{
    // OSG init
    osgInit(argc,argv);

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

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

    //Add Key Listener
    TutorialKeyListener TheKeyListener;
    TutorialWindow->addKeyListener(&TheKeyListener);
    //Add Mouse Listeners
    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);

    //Particle System Material
    PointChunkRefPtr PSPointChunk = PointChunk::create();
    PSPointChunk->setSize(5.0f);
    PSPointChunk->setSmooth(true);

    BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
    PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
    PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

    MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
    PSMaterialChunkChunk->setAmbient(Color4f(0.5f,0.5f,0.5f,0.3f));
    PSMaterialChunkChunk->setDiffuse(Color4f(0.8f,0.8f,0.8f,0.3f));
    PSMaterialChunkChunk->setSpecular(Color4f(1.0f,1.0f,1.0f,0.3f));
    PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

    ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
    PSMaterial->addChunk(PSPointChunk);
    PSMaterial->addChunk(PSMaterialChunkChunk);
    PSMaterial->addChunk(PSBlendChunk);


    //Particle System
    ParticleSystemRefPtr ExampleParticleSystem = ParticleSystem::create();
    for(UInt32 i(0) ; i<10 ; ++i)
    {
        ExampleParticleSystem->addParticle(Pnt3f(i,i,i),
                                           Vec3f(0.0,0.0f,1.0f),
                                           Color4f(1.0,0.0,0.0,0.5), 
                                           Vec3f(1.0,1.0,1.0), 
                                           -1.0, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)
                                          );
    }
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

    //Particle System Drawer
    //Point
    ExamplePointParticleSystemDrawer = PointParticleSystemDrawer::create();
    //ExamplePointParticleSystemDrawer->setForcePerParticleSizing(true);

    //Line
    ExampleLineParticleSystemDrawer = LineParticleSystemDrawer::create();
    ExampleLineParticleSystemDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_NORMAL);//DIRECTION_VELOCITY_CHANGE);
    ExampleLineParticleSystemDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SIZE_X);
    //Quad
    ExampleQuadParticleSystemDrawer = QuadParticleSystemDrawer::create();

    //Disc
    ExampleDiscParticleSystemDrawer = DiscParticleSystemDrawer::create();
    ExampleDiscParticleSystemDrawer->setSegments(16);
    ExampleDiscParticleSystemDrawer->setCenterAlpha(1.0);
    ExampleDiscParticleSystemDrawer->setEdgeAlpha(0.0);

    //Particle System Node
    ParticleNodeCore = ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExampleLineParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);

    NodeRefPtr ParticleNode = Node::create();
    ParticleNode->setCore(ParticleNodeCore);


    // Make Main Scene Node
    NodeRefPtr scene = Node::create();
    scene->setCore(Group::create());
    scene->addChild(ParticleNode);

    mgr->setRoot(scene);

    // Show the whole Scene
    mgr->showAll();
//.........这里部分代码省略.........

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);

    //Particle System Material
    PointChunkRefPtr PSPointChunk = PointChunk::create();
    PSPointChunk->setSize(5.0f);
    PSPointChunk->setSmooth(true);

    BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
    PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
    PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

    MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
    PSMaterialChunkChunk->setAmbient(Color4f(1.0f,1.0f,1.0f,1.0f));
    PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
    PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
    PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

    ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
    PSMaterial->addChunk(PSPointChunk);
    PSMaterial->addChunk(PSMaterialChunkChunk);
    PSMaterial->addChunk(PSBlendChunk);

    //Particle System
    ParticleSystemRefPtr ExampleParticleSystem = OSG::ParticleSystem::create();
    ExampleParticleSystem->addParticle(Pnt3f(0,0,0),
                                       Vec3f(0.0,0.0f,1.0f),
                                       Color4f(1.0,1.0,1.0,1.0), 
                                       Vec3f(1.0,1.0,1.0), 
                                       0.1, 
                                       Vec3f(0.0f,0.0f,0.0f), //Velocity
                                       Vec3f(0.0f,0.0f,0.0f)
                                      );
    ExampleParticleSystem->addParticle(Pnt3f(50,0,0),
                                       Vec3f(0.0,0.0f,1.0f),
                                       Color4f(1.0,1.0,1.0,1.0), 
                                       Vec3f(1.0,1.0,1.0), 
                                       0.1, 
                                       Vec3f(0.0f,0.0f,0.0f), //Velocity
                                       Vec3f(0.0f,0.0f,0.0f)
                                      );
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

    //Particle System Drawer (Point)
    ExamplePointParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();

    //Particle System Drawer (line)
    ExampleLineParticleSystemDrawer = OSG::LineParticleSystemDrawer::create();
    ExampleLineParticleSystemDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_VELOCITY);
    ExampleLineParticleSystemDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SIZE_X);
    ExampleLineParticleSystemDrawer->setLineLength(0.5f);
    ExampleLineParticleSystemDrawer->setEndPointFading(Vec2f(1.0f,0.0f));

    //Create a Rate Particle Generator
    RateParticleGeneratorRefPtr ExampleGenerator = OSG::RateParticleGenerator::create();

    //Attach the function objects to the Generator
    ExampleGenerator->setPositionDistribution(createPositionDistribution());
    ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
    ExampleGenerator->setVelocityDistribution(createVelocityDistribution());
    ExampleGenerator->setGenerationRate(2.0);

    ExampleConserveVelocityAffector = OSG::ConserveVelocityParticleAffector::create();
    ExampleConserveVelocityAffector->setConserve(0.0); // all velocity conserved initially.  Use keys 3 and 4 to change this value while running.



    //Attach the Generator and Affector to the Particle System
    ExampleParticleSystem->pushToGenerators(ExampleGenerator);
    ExampleParticleSystem->pushToAffectors(ExampleConserveVelocityAffector);
    ExampleParticleSystem->setMaxParticles(500);


    //Particle System Node
    ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExamplePointParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);
//.........这里部分代码省略.........

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));

        //Particle System Material
        PointChunkRefPtr PSPointChunk = PointChunk::create();
        PSPointChunk->setSize(5.0f);
        PSPointChunk->setSmooth(true);

        BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
        PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
        PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

        MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
        PSMaterialChunkChunk->setAmbient(Color4f(1.0f,1.0f,1.0f,1.0f));
        PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
        PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
        PSMaterialChunkChunk->setColorMaterial(GL_NONE);

        ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
        PSMaterial->addChunk(PSPointChunk);
        PSMaterial->addChunk(PSMaterialChunkChunk);
        PSMaterial->addChunk(PSBlendChunk);

        //Particle System
        ParticleSystemRefPtr ExampleParticleSystem = ParticleSystem::create();
        ExampleParticleSystem->addParticle(Pnt3f(0,25,0),
                                           Vec3f(0.0,0.0f,1.0f),
                                           Color4f(1.0,1.0,1.0,1.0), 
                                           Vec3f(1.0,1.0,1.0), 
                                           0.1, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)
                                          );
        ExampleParticleSystem->addParticle(Pnt3f(0,-25,0),
                                           Vec3f(0.0,0.0f,1.0f),
                                           Color4f(1.0,1.0,1.0,1.0), 
                                           Vec3f(1.0,1.0,1.0), 
                                           0.1, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)
                                          );
        ExampleParticleSystem->attachUpdateProducer(TutorialWindow);

        //Particle System Drawer (Point)
        PointParticleSystemDrawerRecPtr ExamplePointParticleSystemDrawer = PointParticleSystemDrawer::create();

        //Particle System Drawer (line)
        LineParticleSystemDrawerRecPtr ExampleLineParticleSystemDrawer = LineParticleSystemDrawer::create();
        ExampleLineParticleSystemDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_VELOCITY);
        ExampleLineParticleSystemDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SIZE_X);
        ExampleLineParticleSystemDrawer->setLineLength(2.0f);
        ExampleLineParticleSystemDrawer->setEndPointFading(Vec2f(0.0f,1.0f));

        //Create a Rate Particle Generator
        RateParticleGeneratorRefPtr ExampleGenerator = RateParticleGenerator::create();

        //Attach the function objects to the Generator
        ExampleGenerator->setPositionDistribution(createPositionDistribution());
        ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
        ExampleGenerator->setGenerationRate(200);

        UniformParticleAffectorRecPtr ExampleUniformAffector = UniformParticleAffector::create();
        ExampleUniformAffector->setMagnitude(20.0); // force which the field exerts on particles (negative = towards the air field's beacon location)
        NodeRefPtr UniformBeacon = Node::create();
        ExampleUniformAffector->setBeacon(UniformBeacon); // set to 'emulate' from (0,0,0)
        ExampleUniformAffector->setDirection(Vec3f(1.0,0.0,0.0)); // direction which field is exerted
        ExampleUniformAffector->setMaxDistance(-1.0); // particles affected regardless of distance from
        ExampleUniformAffector->setAttenuation(0.0); // strength of uniform field dimishes by dist^attenuation, in this case it is constant regardless of distance
        ExampleUniformAffector->setParticleMass(10.0);



        //Attach the Generator and Affector to the Particle System
        ExampleParticleSystem->pushToGenerators(ExampleGenerator);
        ExampleParticleSystem->pushToAffectors(ExampleUniformAffector);
        ExampleParticleSystem->setMaxParticles(500);


//.........这里部分代码省略.........

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);

    BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
    PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
    PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

    //Particle System Material
    MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
    PSMaterialChunkChunk->setAmbient(Color4f(0.3f,0.3f,0.3f,1.0f));
    PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
    PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
    PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

    ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
    PSMaterial->addChunk(PSMaterialChunkChunk);
    PSMaterial->addChunk(PSBlendChunk);

    Distribution3DRefPtr PositionDistribution = createPositionDistribution();

    Pnt3f PositionReturnValue;

    //Particle System
    ParticleSystemRefPtr ExampleParticleSystem = OSG::ParticleSystem::create();
    for(UInt32 i(0) ; i<800 ; ++i)//controls how many particles are created
    {
        if(PositionDistribution != NULL)
        {
            PositionReturnValue = Pnt3f(PositionDistribution->generate());
        }

        ExampleParticleSystem->addParticle(
                                           PositionReturnValue,
                                           Vec3f(0.0f,0.0f,1.0f),
                                           Color4f(1.0,0.0,0.0,1.0), 
                                           Vec3f(10.0,10.0,10.0), 
                                           -1, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)	//acceleration
                                          );
    }
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

    //Particle System Drawer
    DiscParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = OSG::DiscParticleSystemDrawer::create();
    ExampleParticleSystemDrawer->setSegments(16);
    ExampleParticleSystemDrawer->setCenterAlpha(1.0);
    ExampleParticleSystemDrawer->setEdgeAlpha(0.0);

    //Particle System Node
    ParticleSystemCoreRefPtr ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);

    NodeRefPtr ParticleNode = OSG::Node::create();
    ParticleNode->setCore(ParticleNodeCore);


    //AttractionNode
    TransformRefPtr AttractionCore = OSG::Transform::create();
    Matrix AttractTransform;
    AttractTransform.setTranslate(0.0f, 0.0,0.0);

    AttractionCore->setMatrix(AttractTransform);

    NodeRefPtr AttractionNode = OSG::Node::create();
    AttractionNode->setCore(AttractionCore);

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

    mgr->setRoot(scene);

    // Show the whole Scene
//.........这里部分代码省略.........

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);

    //Particle System Material
    LineChunkRefPtr PSLineChunk = LineChunk::create();
    PSLineChunk->setWidth(2.0f);
    PSLineChunk->setSmooth(true);

    BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
    PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
    PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

    MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
    PSMaterialChunkChunk->setAmbient(Color4f(0.3f,0.3f,0.3f,0.5f));
    PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,0.5f));
    PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
    PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

    ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
    PSMaterial->addChunk(PSLineChunk);
    PSMaterial->addChunk(PSMaterialChunkChunk);
    PSMaterial->addChunk(PSBlendChunk);

    //Particle System
    ParticleSystemRefPtr ExampleParticleSystem = OSG::ParticleSystem::create();
    ExampleParticleSystem->addParticle(Pnt3f(-400,-400,0),
                                       Vec3f(0.0,0.0f,1.0f),
                                       Color4f(1.0,1.0,1.0,1.0), 
                                       Vec3f(1.0,1.0,1.0), 
                                       0.25, 
                                       Vec3f(0.0f,0.0f,0.0f), //Velocity
                                       Vec3f(0.0f,0.0f,0.0f)
                                      );
    ExampleParticleSystem->addParticle(Pnt3f(400,400,0),
                                       Vec3f(0.0,0.0f,1.0f),
                                       Color4f(1.0,1.0,1.0,1.0), 
                                       Vec3f(1.0,1.0,1.0), 
                                       0.25, 
                                       Vec3f(0.0f,0.0f,0.0f), //Velocity
                                       Vec3f(0.0f,0.0f,0.0f)
                                      ); 
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

    //Particle System Drawer (Line)
    LineParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = OSG::LineParticleSystemDrawer::create();
    ExampleParticleSystemDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_VELOCITY);
    ExampleParticleSystemDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SPEED);
    ExampleParticleSystemDrawer->setLineLengthScaling(0.001);
    ExampleParticleSystemDrawer->setEndPointFading(Vec2f(0.0f,1.0f));

    //Create a Rate Particle Generator
    RateParticleGeneratorRefPtr ExampleGenerator = OSG::RateParticleGenerator::create();

    //Attach the function objects to the Generator
    ExampleGenerator->setPositionDistribution(createPositionDistribution());
    ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
    ExampleGenerator->setGenerationRate(300.0);
    ExampleGenerator->setVelocityDistribution(createVelocityDistribution());

    //Attach the Generator to the Particle System
    ExampleParticleSystem->pushToGenerators(ExampleGenerator);


    //Particle System Node
    ParticleSystemCoreRefPtr ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);

    NodeRefPtr ParticleNode = OSG::Node::create();
    ParticleNode->setCore(ParticleNodeCore);


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

//.........这里部分代码省略.........

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->connectMouseDragged(boost::bind(mouseDragged, _1, &sceneManager));
        TutorialWindow->connectMouseWheelMoved(boost::bind(mouseWheelMoved, _1, &sceneManager));

        //Particle System Material
        PointChunkRefPtr PSPointChunk = PointChunk::create();
        PSPointChunk->setSize(5.0f);
        PSPointChunk->setSmooth(true);

        BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
        PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
        PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

        MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
        PSMaterialChunkChunk->setAmbient(Color4f(1.0f,1.0f,1.0f,1.0f));
        PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
        PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
        PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

        ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
        PSMaterial->addChunk(PSPointChunk);
        PSMaterial->addChunk(PSMaterialChunkChunk);
        PSMaterial->addChunk(PSBlendChunk);

        //Particle System
        ParticleSystemRefPtr ExampleParticleSystem = ParticleSystem::create();
        ExampleParticleSystem->addParticle(Pnt3f(0,-100,0),
                                           Vec3f(0.0,0.0f,1.0f),
                                           Color4f(1.0,1.0,1.0,1.0), 
                                           Vec3f(1.0,1.0,1.0), 
                                           0.1, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)
                                          );
        ExampleParticleSystem->addParticle(Pnt3f(0,100,0),
                                           Vec3f(0.0,0.0f,1.0f),
                                           Color4f(1.0,1.0,1.0,1.0), 
                                           Vec3f(1.0,1.0,1.0), 
                                           0.1, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)
                                          );
        ExampleParticleSystem->attachUpdateProducer(TutorialWindow);

        //Particle System Drawer (Point)
        PointParticleSystemDrawerRecPtr ExamplePointParticleSystemDrawer = PointParticleSystemDrawer::create();

        //Particle System Drawer (line)
        LineParticleSystemDrawerRecPtr ExampleLineParticleSystemDrawer = LineParticleSystemDrawer::create();
        ExampleLineParticleSystemDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_VELOCITY);
        ExampleLineParticleSystemDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SIZE_X);
        ExampleLineParticleSystemDrawer->setLineLength(2.0f);
        ExampleLineParticleSystemDrawer->setEndPointFading(Vec2f(0.0f,1.0f));

        //Create a Rate Particle Generator
        RateParticleGeneratorRefPtr ExampleGenerator = RateParticleGenerator::create();

        //Attach the function objects to the Generator
        ExampleGenerator->setPositionDistribution(createPositionDistribution());
        ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
        ExampleGenerator->setGenerationRate(60.0);
        ExampleGenerator->setVelocityDistribution(createVelocityDistribution());

        VortexParticleAffectorRecPtr ExampleVortexAffector = VortexParticleAffector::create();
        ExampleVortexAffector->setMagnitude(20.0); 
        ExampleVortexAffector->setVortexAxis(Vec3f(0.0,0.0,1.0)); // field rotates around z axis
        NodeRefPtr VortexBeacon = Node::create();
        ExampleVortexAffector->setBeacon(VortexBeacon); // set to 'emulate' from (0,0,0)
        ExampleVortexAffector->setMaxDistance(-1.0); // particles affected regardless of distance
        ExampleVortexAffector->setAttenuation(0.25); // strength of uniform field dimishes by dist^attenuation


        //Attach the Generator and Affector to the Particle System
        ExampleParticleSystem->pushToGenerators(ExampleGenerator);
        ExampleParticleSystem->pushToAffectors(ExampleVortexAffector);
        ExampleParticleSystem->setMaxParticles(800);


        //Particle System Node
        ParticleSystemCoreRecPtr ParticleNodeCore = ParticleSystemCore::create();
//.........这里部分代码省略.........

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);

    Distribution3DRefPtr PositionDistribution = createPositionDistribution();
    Distribution1DRefPtr LifespanDistribution = createLifespanDistribution();

    Pnt3f PositionReturnValue;
    Time LifespanReturnValue = -1;

    //Particle System
    ParticleSystemRefPtr ExampleParticleSystem = OSG::ParticleSystem::create();
    for(UInt32 i(0) ; i<200 ; ++i)//controls how many particles are created
    {
        if(PositionDistribution != NULL)
        {
            PositionReturnValue = Pnt3f(PositionDistribution->generate());
        }
        if(LifespanDistribution != NULL)
        {
            LifespanReturnValue = LifespanDistribution->generate();
        }

        ExampleParticleSystem->addParticle(
                                           PositionReturnValue,
                                           Vec3f(1.0f,0.0f,0.0f),
                                           Color4f(1.0,0.0,0.0,1.0), 
                                           Vec3f(1.0,1.0,1.0), 
                                           LifespanReturnValue, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)	//acceleration
                                          );
    }
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

    //NodeRefPtr ParticlePrototypeNode = makeTorus(1.0,4.0,16,16);
    NodeRefPtr ParticlePrototypeNode = SceneFileHandler::the()->read("Data/rocket.obj");
    if(ParticlePrototypeNode == NULL)
    {
        ParticlePrototypeNode = makeTorus(.5, 2, 16, 16);
    }
    //Particle System Node
    NodeParticleSystemCoreRefPtr NodeParticleNodeCore = OSG::NodeParticleSystemCore::create();
    NodeParticleNodeCore->setSystem(ExampleParticleSystem);
    NodeParticleNodeCore->setPrototypeNode(ParticlePrototypeNode);
    NodeParticleNodeCore->setNormalSource(NodeParticleSystemCore::NORMAL_VELOCITY);
    NodeParticleNodeCore->setUpSource(NodeParticleSystemCore::UP_STATIC);
    NodeParticleNodeCore->setUp(Vec3f(0.0f,1.0f,0.0f));

    NodeRefPtr ParticleNode = OSG::Node::create();
    ParticleNode->setCore(NodeParticleNodeCore);

    //Create an CollectiveGravityParticleSystemAffector
    CollectiveGravityParticleSystemAffectorRefPtr ExampleCollectiveGravityParticleSystemAffector = OSG::CollectiveGravityParticleSystemAffector::create();
    ExampleCollectiveGravityParticleSystemAffector->setParticleMass(10000000000.0f);

    ExampleParticleSystem->pushToSystemAffectors(ExampleCollectiveGravityParticleSystemAffector);


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

    mgr->setRoot(scene);

    // Show the whole Scene
    mgr->showAll();


    //Open Window
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "12NodeParticleDrawer");

    //Enter main Loop
    TutorialWindow->mainLoop();
//.........这里部分代码省略.........

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);

    //Particle System Material
    PointChunkRefPtr PSPointChunk = PointChunk::create();
    PSPointChunk->setSize(5.0f);
    PSPointChunk->setSmooth(true);

    BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
    PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
    PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

    MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
    PSMaterialChunkChunk->setAmbient(Color4f(1.0f,1.0f,1.0f,1.0f));
    PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
    PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
    PSMaterialChunkChunk->setColorMaterial(GL_NONE);

    ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
    PSMaterial->addChunk(PSPointChunk);
    PSMaterial->addChunk(PSMaterialChunkChunk);
    PSMaterial->addChunk(PSBlendChunk);

    //Particle System
    ParticleSystemRefPtr ExampleParticleSystem = OSG::ParticleSystem::create();
    ExampleParticleSystem->addParticle(Pnt3f(0,100,0),
                                       Vec3f(0.0,0.0f,1.0f),
                                       Color4f(1.0,1.0,1.0,1.0), 
                                       Vec3f(1.0,1.0,1.0), 
                                       0.1, 
                                       Vec3f(0.0f,0.0f,0.0f), //Velocity
                                       Vec3f(0.0f,0.0f,0.0f)
                                      );
    ExampleParticleSystem->addParticle(Pnt3f(0,-100,0),
                                       Vec3f(0.0,0.0f,1.0f),
                                       Color4f(1.0,1.0,1.0,1.0), 
                                       Vec3f(1.0,1.0,1.0), 
                                       0.1, 
                                       Vec3f(0.0f,0.0f,0.0f), //Velocity
                                       Vec3f(0.0f,0.0f,0.0f)
                                      );
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

    //Particle System Drawer (Point)
    PointParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();


    //Create a Rate Particle Generator
    RateParticleGeneratorRefPtr ExampleGenerator = OSG::RateParticleGenerator::create();

    //Attach the function objects to the Generator
    ExampleGenerator->setPositionDistribution(createPositionDistribution());
    ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
    ExampleGenerator->setGenerationRate(80.0);
    ExampleGenerator->setVelocityDistribution(createVelocityDistribution());

    ExampleRadialAffector = OSG::RadialParticleAffector::create();
    ExampleRadialAffector->setMagnitude(15.0);
    NodeRefPtr RadialBeacon = OSG::Node::create();
    ExampleRadialAffector->setBeacon(RadialBeacon); // set to 'emulate' from (0,0,0)
    ExampleRadialAffector->setMaxDistance(-1.0); // particles affected regardless of distance
    ExampleRadialAffector->setAttenuation(0.0); // strength of uniform field dimishes by dist^attenuation



    //Attach the Generator and Affector to the Particle System
    ExampleParticleSystem->pushToGenerators(ExampleGenerator);
    ExampleParticleSystem->pushToAffectors(ExampleRadialAffector);
    ExampleParticleSystem->setMaxParticles(800);


    //Particle System Node
    ParticleSystemCoreRefPtr ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);

    NodeRefPtr ParticleNode = OSG::Node::create();
//.........这里部分代码省略.........

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);

    // Material point chunk, so particles are drawn as points
    PointChunkRefPtr PSPointChunk = PointChunk::create();
    PSPointChunk->setSize(5.0f);
    PSPointChunk->setSmooth(true);

    // Material blend chunk
    BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
    PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
    PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

    LineChunkRefPtr PSLineChunk = LineChunk::create();

    //Texture Chunk
    TextureObjChunkRefPtr PSTexChunk = OSG::TextureObjChunk::create();

    //Particle System Material
    MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
    PSMaterialChunkChunk->setAmbient(Color4f(1.0f,0.5f,0.3f,1.0f));
    PSMaterialChunkChunk->setDiffuse(Color4f(1.0f,0.5f,0.3f,0.6f));
    PSMaterialChunkChunk->setSpecular(Color4f(1.0f,0.5f,0.3f,0.6f));
    PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

    // Assembling materials
    ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
    PSMaterial->addChunk(PSMaterialChunkChunk);
    PSMaterial->addChunk(PSPointChunk);
    PSMaterial->addChunk(PSBlendChunk);
    PSMaterial->addChunk(PSLineChunk);
    PSMaterial->addChunk(PSTexChunk);
    PSMaterial->setTransparencyMode(Material::TransparencyForceTransparent);

    // Creating a particle generator
    RateParticleGeneratorRefPtr ExampleGenerator = OSG::RateParticleGenerator::create();
    //Attach the function objects to the Generator
    ExampleGenerator->setPositionDistribution(createPositionDistribution());
    ExampleGenerator->setGenerationRate(8.0);
    ExampleGenerator->setVelocityDistribution(createVelocityDistribution());
    ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
    ExampleGenerator->setSizeDistribution(createSizeDistribution());

    //Creating Particle System
    ExampleParticleSystem = OSG::ParticleSystem::create();
    // add a couple temp particles so the camera is zoomed out 
    ExampleParticleSystem->addParticle(OSG::Pnt3f(0,0,-100),OSG::Vec3f(0,1,0),OSG::Color4f(1,1,1,1),OSG::Vec3f(1,1,1),0.1,OSG::Vec3f(0,0,0),OSG::Vec3f(0,0,0));
    ExampleParticleSystem->addParticle(OSG::Pnt3f(0,0,100),OSG::Vec3f(0,1,0),OSG::Color4f(1,1,1,1),OSG::Vec3f(1,1,1),0.1,OSG::Vec3f(0,0,0),OSG::Vec3f(0,0,0));
    ExampleParticleSystem->setMaxParticles(200);
    ExampleParticleSystem->attachUpdateListener(TutorialWindow); 

    //Creating Particle System Drawer
    PointParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();
    ExampleParticleSystemDrawer->setForcePerParticleSizing(true);

    // Attaching affector and generator to the particle system
    ExampleParticleSystem->pushToGenerators(ExampleGenerator);

    //Particle System Core, setting its system, drawer, and material
    ParticleSystemCoreRefPtr ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);

    // Create Trail Generator(s)
    // simple trail generator
    ExampleTrailGenerator = OSG::SimpleParticleTrailGenerator::create();
    ExampleTrailGenerator->setTrailResolution(2.5f);
    ExampleTrailGenerator->setDrawMethod(SimpleParticleTrailGenerator::POINTS);
    ExampleTrailGenerator->setTrailLength(3.12);
    ExampleTrailGenerator->setTrailLengthMethod(ParticleTrailGenerator::TIME);
    ExampleTrailGenerator->setTrailResolutionMethod(ParticleTrailGenerator::DISTANCE_SPACING);
    ExampleTrailGenerator->setTrailMaterial(PSMaterial);

    // attach listener for trail generator to the particle system
    ExampleParticleSystem->addParticleSystemListener(ExampleTrailGenerator->getParticleSystemListener());

    // Set up node with the particle system at its core
//.........这里部分代码省略.........

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);
	
	//Particle System Material
	LineChunkRefPtr PSLineChunk = LineChunk::create();
		PSLineChunk->setWidth(1.0f);

	BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
		PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
		PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

	MaterialChunkRefPtr PSMaterialChunk = MaterialChunk::create();
		PSMaterialChunk->setAmbient(Color4f(0.3f,0.3f,0.3f,1.0f));
		PSMaterialChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
		PSMaterialChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
		PSMaterialChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
		PSMaterialChunk->setLit(false);

	ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
		PSMaterial->addChunk(PSLineChunk);
		PSMaterial->addChunk(PSMaterialChunk);
		PSMaterial->addChunk(PSBlendChunk);

	//Particle System
    ParticleSystemRefPtr ExampleParticleSystem = ParticleSystem::create();
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);


	//Create the particles
    UInt32 NumParticlesToGenerate(2500);

	Distribution3DRefPtr PositionDistribution = createPositionDistribution();
	Distribution3DRefPtr NormalDistribution = createNormalDistribution();
	Distribution3DRefPtr ColorDistribution = createColorDistribution();
	Distribution3DRefPtr SizeDistribution = createSizeDistribution();
	Distribution1DRefPtr LifespanDistribution = createLifespanDistribution();
	Distribution3DRefPtr VelocityDistribution = createVelocityDistribution();
	Distribution3DRefPtr AccelerationDistribution = createAccelerationDistribution();

	Pnt3f PositionReturnValue;
	Vec3f NormalReturnValue = Vec3f(0.0,0.0f,1.0f);
	Color4f ColorReturnValue = Color4f(1.0,1.0f,1.0f, 1.0f);
	Vec3f SizeReturnValue;
	Time LifespanReturnValue = -1;
	Vec3f VelocityReturnValue;
	Vec3f AccelerationReturnValue;


    for(UInt32 i(0) ; i< NumParticlesToGenerate ; ++i)
    {
		if(PositionDistribution != NULL)
		{
			PositionReturnValue.setValue(PositionDistribution->generate().getValues());
		}

		
		if(ColorDistribution != NULL)
		{
            Vec3f ColorRGB = ColorDistribution->generate();
			ColorReturnValue.setValuesRGBA(ColorRGB[0],ColorRGB[1],ColorRGB[2],1.0f);
		}

		
		if(SizeDistribution != NULL)
		{
			SizeReturnValue = SizeDistribution->generate();
		}

		if(LifespanDistribution != NULL)
		{
			LifespanReturnValue = LifespanDistribution->generate();
		}
		if(VelocityDistribution != NULL)
		{
			VelocityReturnValue = VelocityDistribution->generate();
		}

		ExampleParticleSystem->addParticle(PositionReturnValue,
//.........这里部分代码省略.........

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);

    //Particle System Material
    PointChunkRefPtr PSPointChunk = PointChunk::create();
    PSPointChunk->setSize(20.0f);
    PSPointChunk->setSmooth(true);
    BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
    PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
    PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);

    MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
    PSMaterialChunkChunk->setAmbient(Color4f(0.3f,0.3f,0.3f,1.0f));
    PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
    PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
    PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);

    ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
    PSMaterial->addChunk(PSPointChunk);
    PSMaterial->addChunk(PSMaterialChunkChunk);
    PSMaterial->addChunk(PSBlendChunk);

    Distribution3DRefPtr PositionDistribution = createPositionDistribution();
    Distribution1DRefPtr LifespanDistribution = createLifespanDistribution();

    Pnt3f PositionReturnValue;
    Time LifespanReturnValue = -1;

    //Particle System
    ParticleSystemRefPtr ExampleParticleSystem = OSG::ParticleSystem::create();
    for(UInt32 i(0) ; i<200 ; ++i)//controls how many particles are created
    {
        if(PositionDistribution != NULL)
        {
            PositionReturnValue = Pnt3f(PositionDistribution->generate());
        }
        if(LifespanDistribution != NULL)
        {
            LifespanReturnValue = LifespanDistribution->generate();
        }

        ExampleParticleSystem->addParticle(
                                           PositionReturnValue,
                                           Vec3f(0.0f,0.0f,1.0f),
                                           Color4f(1.0,0.0,0.0,1.0), 
                                           Vec3f(1.0,1.0,1.0), 
                                           LifespanReturnValue, 
                                           Vec3f(0.0f,0.0f,0.0f), //Velocity
                                           Vec3f(0.0f,0.0f,0.0f)	//acceleration
                                          );
    }
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

    //Particle System Drawer
    PointParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();


    //Create an CollectiveGravityParticleSystemAffector
    CollectiveGravityParticleSystemAffectorRefPtr ExampleCollectiveGravityParticleSystemAffector = OSG::CollectiveGravityParticleSystemAffector::create();
    ExampleCollectiveGravityParticleSystemAffector->setParticleMass(10000000000.0f);

    ExampleParticleSystem->pushToSystemAffectors(ExampleCollectiveGravityParticleSystemAffector);


    //Particle System Node
    ParticleSystemCoreRefPtr ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);

    NodeRefPtr ParticleNode = OSG::Node::create();
    ParticleNode->setCore(ParticleNodeCore);


    // Make Main Scene Node and add the Torus
    NodeRefPtr scene = OSG::Node::create();
    scene->setCore(OSG::Group::create());
    scene->addChild(ParticleNode);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
    PSMaterial->addChunk(QuadTextureEnvChunk);
    PSMaterial->addChunk(PSMaterialChunk);
    PSMaterial->addChunk(PSBlendChunk);

    //Particle System
    ExampleParticleSystem = OSG::ParticleSystem::create();
    ExampleParticleSystem->attachUpdateListener(TutorialWindow);

	//Age Particle Function.  Controls which image is shown when, based on the age of a particle.
	AgeFunc = OSG::AgeParticleFunction::create();
	AgeFunc->setSequenceTime(0.1f); // image changes every 0.1 seconds.
	AgeFunc->setSequenceOrder(AgeParticleFunction::CUSTOM); // using the custom sequence below.
	/*
		Here, a custom sequence for the image ordering is assembled.  The image sequence will be shown in 
		the order specified here.  Once the end of the sequence is reached, the sequence repeats.
	*/
	AgeFunc->editMFCustomSequence()->push_back(0);
	AgeFunc->editMFCustomSequence()->push_back(1);
	AgeFunc->editMFCustomSequence()->push_back(2);
	AgeFunc->editMFCustomSequence()->push_back(3);
	AgeFunc->editMFCustomSequence()->push_back(4);
	AgeFunc->editMFCustomSequence()->push_back(5);
	AgeFunc->editMFCustomSequence()->push_back(4);
	AgeFunc->editMFCustomSequence()->push_back(3);
	AgeFunc->editMFCustomSequence()->push_back(2);
	AgeFunc->editMFCustomSequence()->push_back(1);

	//Particle System Drawer - 
    ExampleParticleSystemDrawer = OSG::QuadSequenceParticleSystemDrawer::create();
	// image dimensions (in pixels) are required if there is a border on the images.
	ExampleParticleSystemDrawer->setImageDimensions(OSG::Vec2us(780,520));
	// The "dimensions" of the sequence contained in the image.  For this image,
	// there are 3 images in the "x" direction, and two in the "y" direction, for a 
	// total of 6.
	ExampleParticleSystemDrawer->setSequenceDimensions(OSG::Vec2b(3,2));
	// width of the border on each side of the image, in pixels.
	ExampleParticleSystemDrawer->setBorderOffsets(OSG::Vec2b(0,0));
	// this is the age function we just created above.
	ExampleParticleSystemDrawer->setSequenceFunction(AgeFunc);

    ExampleParticleGenerator = OSG::RateParticleGenerator::create();
    //Attach the function objects to the Generator
    ExampleParticleGenerator->setPositionDistribution(createPositionDistribution());
    ExampleParticleGenerator->setLifespanDistribution(createLifespanDistribution());
    ExampleParticleGenerator->setVelocityDistribution(createVelocityDistribution());
    ExampleParticleGenerator->setAccelerationDistribution(createAccelerationDistribution());
    ExampleParticleGenerator->setSizeDistribution(createSizeDistribution());
	ExampleParticleGenerator->setGenerationRate(2.0f);

    //Particle System Node
    ParticleSystemCoreRefPtr ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);
	ParticleNodeCore->setSortingMode(ParticleSystemCore::BACK_TO_FRONT);
	
    NodeRefPtr ParticleNode = OSG::Node::create();
    ParticleNode->setCore(ParticleNodeCore);

	ExampleParticleSystem->addParticle(Pnt3f(10.0,0.0,0.0),
                                   Vec3f(0.0,1.0,0.0),
                                   Color4f(1.0,1.0,1.0,1.0),
                                   Vec3f(1.0,1.0,1.0),
                                   0.01,
                                   Vec3f(0.0,0.0,0.0),
                                   Vec3f(0.0,0.0,0.0));

	ExampleParticleSystem->addParticle(Pnt3f(-10.0,0.0,0.0),
                                   Vec3f(0.0,1.0,0.0),
                                   Color4f(1.0,1.0,1.0,1.0),
                                   Vec3f(1.0,1.0,1.0),
                                   0.01,
                                   Vec3f(0.0,0.0,0.0),
                                   Vec3f(0.0,0.0,0.0));

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

    mgr->setRoot(scene);

    // Show the whole Scene
    mgr->showAll();

    //Open Window
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "05a - QuadSequenceParticleDrawer");

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

    osgExit();

    return 0;
}