C++ ParticleSystemRefPtr类代码示例

bool TurbulenceParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
	if(getBeacon() != NULL)
	{	
		Matrix BeaconToWorld(getBeacon()->getToWorld());
		Vec3f translation, tmp;
		Quaternion tmp2;
		BeaconToWorld.getTransform(translation,tmp2,tmp,tmp2);

		Pnt3f particlePos = System->getPosition(ParticleIndex);
		Real32 distanceFromAffector = particlePos.dist(Pnt3f(translation.x(),translation.y(),translation.z())); 

		if((getMaxDistance() < 0.0) || (distanceFromAffector <= getMaxDistance())) //only affect the particle if it is in range
		{	
			Real32 Xparam, Yparam, Zparam;

			Pnt3f pos(System->getPosition(ParticleIndex));
			getPerlinDistribution()->setPhase(getPhase()[0]);
			Xparam = getPerlinDistribution()->generate(pos[0]);
			getPerlinDistribution()->setPhase(getPhase()[1]);
			Yparam = getPerlinDistribution()->generate(pos[1]);
			getPerlinDistribution()->setPhase(getPhase()[2]);
			Zparam = getPerlinDistribution()->generate(pos[2]);

			Vec3f fieldAffect(Vec3f(Xparam, Yparam, Zparam));
			fieldAffect = fieldAffect * (getAmplitude()*
                                          (elps/(OSG::osgClamp<Real32>(1.0f,std::pow(distanceFromAffector,getAttenuation()),TypeTraits<Real32>::getMax()))));

			System->setVelocity(System->getVelocity(ParticleIndex) + fieldAffect, ParticleIndex);

		} // end distance conditional
	} // end null beacon conditional

	return false;
}

bool AttributeAttractRepelParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
    if(System != NULL)
    {
        Vec3f Displacement(System->getSecPosition(ParticleIndex) - System->getPosition(ParticleIndex) );

        Real32 Distance(Displacement.squareLength());

        if((Distance > getMinDistance()*getMinDistance()) &&
           (Distance < getMaxDistance()*getMaxDistance()))
        {
            Distance = osgSqrt(Distance);
            Displacement.normalize();

            Real32 t((getQuadratic() * (Distance*Distance) + getLinear() * Distance + getConstant())*elps);
            if(t > Distance)
            {
                t=Distance;
            }

            System->setPosition(System->getPosition(ParticleIndex) + (Displacement * t),ParticleIndex) ;
        }
    }
    return false;
}

bool VortexParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
	if(getBeacon() != NULL)
	{
		Matrix BeaconToWorld(getBeacon()->getToWorld());
		Vec3f translation, tmp;
		Quaternion tmp2;
		BeaconToWorld.getTransform(translation,tmp2,tmp,tmp2);

		Pnt3f particlePos = System->getPosition(ParticleIndex);
		Real32 distanceFromAffector = particlePos.dist(Pnt3f(translation.x(),translation.y(),translation.z())); 

		if((getMaxDistance() < 0.0) || (distanceFromAffector <= getMaxDistance())) //only affect the particle if it is in range
		{	
			Vec3f particleDirectionFromVortex(particlePos.x() - translation.x(), particlePos.y() - translation.y(), particlePos.z() - translation.z());
			particleDirectionFromVortex = particleDirectionFromVortex.cross(getVortexAxis());
			particleDirectionFromVortex.normalize();
			particleDirectionFromVortex = particleDirectionFromVortex *
                ((-getMagnitude() *
                  elps)/OSG::osgClamp<Real32>(1.0f,std::pow(distanceFromAffector,getAttenuation()),TypeTraits<Real32>::getMax()));
			System->setVelocity(particleDirectionFromVortex + System->getVelocity(ParticleIndex),ParticleIndex);
		}
	}

	return false;
}

void GeometryCollisionParticleSystemAffector::affect(ParticleSystemRefPtr System, const Time& elps)
{
	UInt32 NumParticles(System->getNumParticles());
	
	Line ray;
    IntersectAction *iAct = IntersectAction::create();
	Pnt3f ParticlePos, ParticleSecPos;
    

	Real32 HitT(0.0f);
	for(UInt32 i(0) ; i<NumParticles ; ++i)
	{
		ParticlePos = System->getPosition(i);
		ParticleSecPos = System->getSecPosition(i);
		ray.setValue(ParticleSecPos, ParticlePos);
		iAct->setLine(ray);
		iAct->apply(getCollisionNode());
	    
		if (iAct->didHit())
		{
			HitT = iAct->getHitT();
			if(HitT > 0.0f && HitT*HitT<ParticlePos.dist2(ParticleSecPos))
			{
				produceParticleCollision(System, i, iAct);
                for(UInt32 j(0) ; j<getMFCollisionAffectors()->size(); ++j)
                {
                    getCollisionAffectors(i)->affect(System,i,elps);
                }
			}
		}
	}
}

bool RandomMovementParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
    //System->setUpdateSecAttribs(false);
    Real32 x,
           y,
           z,
           age(System->getAge(ParticleIndex));

    if(getAttributeAffected() == VELOCITY_ATTRIBUTE)
    {
        Vec3f vel = System->getSecVelocity(ParticleIndex);
        // grab each value independently , and adjust the phase for each
        // axis, since we have a 3D phase and the 1D distribution only takes
        // one value
        Real32 velSum = vel.x() + vel.y() + vel.z();

        getPerlinDistribution()->setPhase(getPhase().x() + velSum);
        x = getPerlinDistribution()->generate(vel.x() + age);
        getPerlinDistribution()->setPhase(getPhase().y() + velSum);
        y = getPerlinDistribution()->generate(vel.y() + age);
        getPerlinDistribution()->setPhase(getPhase().z() + velSum);
        z = getPerlinDistribution()->generate(vel.z() + age);


        System->setVelocity(Vec3f(x,y,z) + vel,ParticleIndex);

    }else // affecting position	
    {
        Pnt3f pos = System->getSecPosition(ParticleIndex);
        Real32 posSum = pos.x() + pos.y() + pos.z();

        getPerlinDistribution()->setPhase(getPhase().x() + posSum);
        x = getPerlinDistribution()->generate(pos.x() + age);
        getPerlinDistribution()->setPhase(getPhase().y() + posSum);
        y = getPerlinDistribution()->generate(pos.y() + age);
        getPerlinDistribution()->setPhase(getPhase().z() + posSum);
        z = getPerlinDistribution()->generate(pos.z() + age);


        System->setPosition(Pnt3f(x,y,z) + pos.subZero(),ParticleIndex);
    }

    return false;
}

bool AgeSizeParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
    if(getMFAges()->size()!=getMFSizes()->size())
    {
        return false;
    }
    else
    {
        Real32 time;
        UInt32 i(0);
        Real32 Age(System->getAge(ParticleIndex)),Lifespan(System->getLifespan(ParticleIndex));
        if(Lifespan < 0.0)
        {
            return false;
        }

        time = (Age)/(Lifespan);
        for( ;i<getMFAges()->size() && time>getAges(i);++i)
        {
            
        }

        if(i == getMFSizes()->size())
        {
            System->setSize(getMFSizes()->back(),ParticleIndex);
        }
        else if(i == 0.0)
        {
            System->setSize(getMFSizes()->front(),ParticleIndex);
        }
        else
        {
            Vec3f size;
            time = (time - getAges(i-1))/(getAges(i)-getAges(i-1));

            lerp(getSizes(i-1),getSizes(i),time,size);
            System->setSize(size,ParticleIndex);
        }


    }
    return false;
}

bool AgeFadeParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
    Real32 Alpha(0.0f);
    if(System->getAge(ParticleIndex)<getFadeInTime())
    {
        lerp<Real32>(getStartAlpha(), getFadeToAlpha(),1.0f-((getFadeInTime() - System->getAge(ParticleIndex))/getFadeInTime()), Alpha); 
    }
    else if(System->getLifespan(ParticleIndex) < 0 || (System->getAge(ParticleIndex)< System->getLifespan(ParticleIndex)-getFadeOutTime()))
    {
        Alpha = getFadeToAlpha();
    }
    else
    {
        //lerp
        lerp<Real32>(getFadeToAlpha(), getEndAlpha(), ((System->getAge(ParticleIndex)-System->getLifespan(ParticleIndex)+getFadeOutTime())/(getFadeOutTime())), Alpha);
    }

    Color4f Color = System->getColor(ParticleIndex);
    Color[3] = Alpha;
    System->setColor(Color, ParticleIndex);

    
    return false;
}

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.........

// 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->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);
    // open window

    /* Set up complete, now performing XML import */

    BoostPath ExecutableDirectory(argv[0]);
    ExecutableDirectory.remove_leaf();
    BoostPath FilePath;
    if(argc > 1)
    {
        FilePath  = BoostPath(argv[1]);
    }
    else
    {
        FilePath = BoostPath("./Data/mayaExport1.xml");
    }

    if(!boost::filesystem::exists(FilePath))
    {
        std::cerr << "Could not find file by path: " << FilePath.string() << std::endl;
        osgExit();
        return -1;
    }


    // parse XML file to get field container data
    FCFileType::FCPtrStore NewContainers;
    NewContainers = FCFileHandler::the()->read(FilePath);

    // find root node from container, attach update listeners to particle systems
    std::vector<NodeRefPtr> RootNodes;
    for(FCFileType::FCPtrStore::iterator Itor = NewContainers.begin() ; Itor != NewContainers.end() ; ++Itor)
    {
        // get root node
        if( (*Itor)->getType() == Node::getClassType() &&
            dynamic_pointer_cast<Node>(*Itor)->getParent() == NULL)
        {
            RootNodes.push_back(dynamic_pointer_cast<Node>(*Itor));
        }
        else if( (*Itor)->getType() == ParticleSystem::getClassType()) //attach update listeners to particle systems present
        {
            ParticleSystemRefPtr ExampleParticleSystems = dynamic_pointer_cast<ParticleSystem>(*Itor);
            ExampleParticleSystems->attachUpdateListener(TutorialWindow);
        }
    }

    // get root node that was extracted from XML file
    if(RootNodes.size() > 0)
    {
        NodeRefPtr scene = RootNodes[0];

        // set root node
        mgr->setRoot(scene);

    }

    // Show the whole Scene
    mgr->showAll();
    mgr->setHeadlight(true);
    mgr->getCamera()->setFar(10000);

    // main loop
    //Open Window
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "15FCFileTypeIO");

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


    osgExit();
//.........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);


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

    PointParticleSystemDrawerRefPtr ExamplePointParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();
    //NodeRefPtr ParticlePrototypeNode = makeTorus(1.0,4.0,16,16);
    //NodeRefPtr CollisionNode = makeBox(5.0,5.0,5.0,1,1,1);//makeSphere(4,10.0f);
    NodeRefPtr CollisionNode = makeSphere(2,4.0f);

    //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,0.0f,0.0f,1.0f));
    PSMaterialChunkChunk->setDiffuse(Color4f(1.0f,0.0f,0.0f,1.0f));
    PSMaterialChunkChunk->setSpecular(Color4f(1.0f,0.0f,0.0f,1.0f));
    PSMaterialChunkChunk->setColorMaterial(GL_NONE);
    //PSMaterialChunkChunk->setLit(false);

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

    ParticleSystemCoreRefPtr ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExamplePointParticleSystemDrawer);
    ParticleNodeCore->setMaterial(PSMaterial);

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

    //Generator
    //Attach the function objects to the Generator
    RateParticleGeneratorRefPtr ExampleGenerator= RateParticleGenerator::create();
    ExampleGenerator->setPositionDistribution(createPositionDistribution());
    ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
    ExampleGenerator->setGenerationRate(20.0);
    ExampleGenerator->setVelocityDistribution(createVelocityDistribution());

    //Geometry Collision Affector
    GeometryCollisionParticleSystemAffectorRefPtr ExampleGeometryCollisionParticleSystemAffector = GeometryCollisionParticleSystemAffector::create();
    ExampleGeometryCollisionParticleSystemAffector->setCollisionNode(CollisionNode);

    TutorialParticleCollisionListener TheCollisionListener;
    ExampleGeometryCollisionParticleSystemAffector->addParticleGeometryCollisionListener(&TheCollisionListener);

    ExampleParticleSystem->pushToSystemAffectors(ExampleGeometryCollisionParticleSystemAffector);
    ExampleParticleSystem->pushToGenerators(ExampleGenerator);


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

    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,
                               "13CollisionGeometry");
//.........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.........

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.........

    virtual void particleKilled(const ParticleEventUnrecPtr e)
    {
        dynamic_pointer_cast<SphereDistribution3D>(FireballPositionDistribution)->setCenter(e->getParticlePosition());

        dynamic_pointer_cast<SphereDistribution3D>(ShrapnelPositionDistribution)->setCenter(e->getParticlePosition());

        dynamic_pointer_cast<DiscDistribution3D>(SmokePositionDistribution)->setCenter(e->getParticlePosition());


        // if()
        {

            //Attach the Generator to the Shrapnel Particle System
            ShrapnelParticleSystem->pushToGenerators(ShrapnelBurstGenerator);

            //Attach the Affector to the Smoke Particle System
            SmokeParticleSystem->pushToGenerators(SmokeGenerator);
            SmokeParticleSystem->pushToAffectors(SmokeAgeFadeParticleAffector);
            SmokeParticleSystem->pushToAffectors(SmokeAgeSizeParticleAffector);

            //Attach the Affector to the fireball Particle System
            FireballParticleSystem->pushToGenerators(FireballGenerator);
            FireballParticleSystem->pushToAffectors(FireballAgeSizeParticleAffector);

        }
        std::cout << "Rocket Died at: " << e->getParticlePosition() << std::endl;
    }