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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
