コード例 #1
0
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();


    //Open Window
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "01ParticleSystemDrawers");

    commitChanges();

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

    osgExit();

    return 0;
}
コード例 #2
0
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);

    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);

    mgr->setRoot(scene);

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

    mgr->getCamera()->setFar(1000.0);

    std::cout << "Conserve Velocity Particle Affector Tutorial Controls:\n"
        << "1: Use point drawer\n"
        << "2: Use line drawer\n"
        << "3: Decrease velocity conserved.\n"
        << "4: Increase velocity conserved.\n"
        << "Ctrl + Q: Exit Tutorial";

    //Open Window
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "28ConserveVelocityParticleAffector");

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

    osgExit();

    return 0;
}
コード例 #3
0
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(6.0f);
    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(0.2f,0.6f,0.5f,0.3f));
    PSMaterialChunkChunk->setDiffuse(Color4f(0.2f,0.9f,0.1f,0.3f));
    PSMaterialChunkChunk->setSpecular(Color4f(0.5f,0.4f,0.2f,0.6f));
    PSMaterialChunkChunk->setEmission(Color4f(0.2f,0.6f,0.5f,0.3f));
    PSMaterialChunkChunk->setColorMaterial(GL_NONE);

    //enable depth test
    DepthChunkRefPtr PSDepthChunk = DepthChunk::create();

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

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

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

    //Line
    ExampleLineParticleSystemDrawer = OSG::LineParticleSystemDrawer::create();
    ExampleLineParticleSystemDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_NORMAL);//DIRECTION_VELOCITY_CHANGE);
    ExampleLineParticleSystemDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SIZE_X);
    ExampleLineParticleSystemDrawer->setEndPointFading(Vec2f(1.0,0.0));
    //Quad
    ExampleQuadParticleSystemDrawer = OSG::QuadParticleSystemDrawer::create();
    ExampleQuadParticleSystemDrawer->setQuadSizeScaling(Vec2f(0.1,0.1));
    ExampleQuadParticleSystemDrawer->setNormalAndUpSource(QuadParticleSystemDrawer::NORMAL_PARTICLE_NORMAL,QuadParticleSystemDrawer::UP_STATIC);

    RateParticleGeneratorRefPtr ExampleGeneratorTheSequel = OSG::RateParticleGenerator::create();

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


    //Attach the Generator to the Particle System
    //ExampleParticleSystem->pushToGenerators(ExampleGenerator);
    ExampleParticleSystem->setMaxParticles(500);
    ExampleParticleSystem->pushToGenerators(ExampleGeneratorTheSequel);

    //Particle System Node
    ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExamplePointParticleSystemDrawer);
    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);

    mgr->setRoot(scene);

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

    mgr->getCamera()->setFar(500.0);

    //Open Window
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "14ParticleSorting");

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

    osgExit();

    return 0;
}
コード例 #4
0
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(0,25,0),
                                       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->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(2.0f);
    ExampleLineParticleSystemDrawer->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(200);

    ExampleUniformAffector = OSG::UniformParticleAffector::create();
    ExampleUniformAffector->setMagnitude(20.0); // force which the field exerts on particles (negative = towards the air field's beacon location)
    NodeRefPtr UniformBeacon = OSG::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);


    //Particle System Node
    ParticleNodeCore = OSG::ParticleSystemCore::create();
    ParticleNodeCore->setSystem(ExampleParticleSystem);
    ParticleNodeCore->setDrawer(ExamplePointParticleSystemDrawer);
    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);

    mgr->setRoot(scene);

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

    mgr->getCamera()->setFar(1000.0);

    std::cout << "Uniform Particle Affector Tutorial Controls:\n"
        << "1: Use point drawer\n"
        << "2: Use line drawer\n"
        << "W,A,S,D: Change direction of field\n"
        << "Ctrl + Q: Exit Tutorial";

    //Open Window
    Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
    Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
    TutorialWindow->openWindow(WinPos,
                               WinSize,
                               "19UniformFieldParticleAffector");

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

    osgExit();

    return 0;
}
コード例 #5
0
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);

    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,
                               "03RateParticleGenerator");

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

    osgExit();

    return 0;
}
コード例 #6
0
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,
			NormalReturnValue,
			ColorReturnValue,
			SizeReturnValue,
			LifespanReturnValue,
			VelocityReturnValue,
			AccelerationReturnValue
			);
	
    }

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

	//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);

    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,
            "02DynamicDistribution");

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

    return 0;
}