void ParticleSystemParticleTrailGenerator::onCreate(const ParticleTrailGenerator *Id)
{
// assemble default material
PointChunkRecPtr pointChunk = PointChunk::create();
pointChunk->setSmooth(true);
BlendChunkRecPtr blendChunk = BlendChunk::create();
//Particle System Material
MaterialChunkRecPtr materialChunkChunk = MaterialChunk::create();
materialChunkChunk->setAmbient(Color4f(0.5f,0.5f,0.5f,1.0f));
materialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
materialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
materialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
// Assembling materials
ChunkMaterialRecPtr mat = ChunkMaterial::create();
mat->addChunk(materialChunkChunk);
mat->addChunk(pointChunk);
mat->addChunk(blendChunk);
PointParticleSystemDrawerRecPtr theDrawer = PointParticleSystemDrawer::create();
theDrawer->setForcePerParticleSizing(true);
ParticleSystemRecPtr newPS = ParticleSystem::create();
newPS->setDynamic(true);
setParticleSystem(newPS);
ParticleSystemCoreRecPtr newCore = ParticleSystemCore::create();
newCore->setSystem(newPS);
newCore->setMaterial(mat);
newCore->setDrawer(theDrawer);
setCore(newCore);
}
int main(int argc, char **argv)
{
// OSG init
osgInit(argc,argv);
{
// Set up Window
WindowEventProducerRecPtr TutorialWindow = createNativeWindow();
TutorialWindow->initWindow();
// Create the SimpleSceneManager helper
SimpleSceneManager sceneManager;
TutorialWindow->setDisplayCallback(boost::bind(display, &sceneManager));
TutorialWindow->setReshapeCallback(boost::bind(reshape, _1, &sceneManager));
// Tell the Manager what to manage
sceneManager.setWindow(TutorialWindow);
//Attach to events
TutorialWindow->connectMousePressed(boost::bind(mousePressed, _1, &sceneManager));
TutorialWindow->connectMouseReleased(boost::bind(mouseReleased, _1, &sceneManager));
TutorialWindow->connectMouseMoved(boost::bind(mouseMoved, _1, &sceneManager));
TutorialWindow->connectMouseDragged(boost::bind(mouseDragged, _1, &sceneManager));
TutorialWindow->connectMouseWheelMoved(boost::bind(mouseWheelMoved, _1, &sceneManager));
//Particle System Material
PointChunkRefPtr PSPointChunk = PointChunk::create();
PSPointChunk->setSize(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(0.2f,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->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
//enable depth test
DepthChunkRefPtr PSDepthChunk = DepthChunk::create();
ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(PSPointChunk);
PSMaterial->addChunk(PSMaterialChunkChunk);
PSMaterial->addChunk(PSBlendChunk);
PSMaterial->addChunk(PSDepthChunk);
LineChunkRefPtr PSLineChunk = LineChunk::create();
ChunkMaterialRefPtr TestMaterial = ChunkMaterial::create();
//TestMaterial->addChunk(PointChunk::create());
//TestMaterial->addChunk(LineChunk::create());
TestMaterial->addChunk(PSMaterialChunkChunk);
PolygonChunkRefPtr ThePolygonChunk = PolygonChunk::create();
BlendChunkRefPtr TheBlendChunk = BlendChunk::create();
DepthChunkRefPtr TheDepthChunk = DepthChunk::create();
TestMaterial->addChunk(ThePolygonChunk);
TestMaterial->addChunk(TheBlendChunk);
TestMaterial->addChunk(TheDepthChunk);
//Particle System
ParticleSystemRecPtr ExampleParticleSystem = ParticleSystem::create();
ExampleParticleSystem->attachUpdateProducer(TutorialWindow);
ExampleParticleSystem->addParticle(Pnt3f(-40.0,0.0,0.0),
Vec3f(0.0,1.0,0.0),
Color4f(1.0,1.0,1.0,1.0),
Vec3f(1.0,1.0,1.0),
-1,
Vec3f(0.0,0.0,0.0),
Vec3f(0.0,0.0,0.0));
ExampleParticleSystem->addParticle(Pnt3f(40.0,0.0,0.0),
Vec3f(0.0,1.0,0.0),
Color4f(1.0,1.0,1.0,1.0),
Vec3f(1.0,1.0,1.0),
-1,
Vec3f(0.0,0.0,0.0),
Vec3f(0.0,0.0,0.0));
PointParticleSystemDrawerRecPtr ExamplePointParticleSystemDrawer = PointParticleSystemDrawer::create();
ExamplePointParticleSystemDrawer->setForcePerParticleSizing(false);
Matrix ExampleMatrix;
ExampleMatrix.setTransform(Vec3f(10.0,10.0,10.0));
TransformRefPtr ExampleXform = Transform::create();
ExampleXform->setMatrix(ExampleMatrix);
NodeRefPtr ExampleNode = Node::create();
ExampleNode->setCore(ExampleXform);
RateParticleGeneratorRecPtr ExampleGenerator = RateParticleGenerator::create();
// ExampleGenerator->setEmitInWorldSpace(true);
ExampleGenerator->setBeacon(ExampleNode);
ExampleGenerator->setGenerationRate(5.0);
ExampleGenerator->setPositionDistribution(createPositionDistribution());
ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
NewtonParticleAffectorRefPtr ExampleAffector = NewtonParticleAffector::create();
ExampleAffector->setBeacon(ExampleNode);
ExampleAffector->setMaxDistance(-1.0);
ConditionalParticleAffectorRecPtr ExampleConditionalAffector = ConditionalParticleAffector::create();
ExampleConditionalAffector->setConditionalAttribute("active");
ExampleConditionalAffector->setConditionalOperator(4); //greater than
ExampleConditionalAffector->setConditionalValue(0); // testing if the value associated with "test" = 1
ExampleConditionalAffector->pushToAffectors(ExampleAffector);
DistanceAttractRepelParticleAffectorRefPtr ExampleAttractRepelAffector = DistanceAttractRepelParticleAffector::create();
ExampleAttractRepelAffector->setDistanceFromSource(DistanceParticleAffector::DISTANCE_FROM_NODE);
//Attach the Generators and affectors to the Particle System
ExampleParticleSystem->setBeacon(ExampleNode);
//ExampleParticleSystem->pushToGenerators(ExampleGenerator);
ExampleParticleSystem->pushToAffectors(ExampleConditionalAffector);
// ExampleParticleSystem->pushToAffectors(ExampleAttractRepelAffector);
ExampleParticleSystem->setMaxParticles(1000);
ExampleParticleSystem->setDynamic(true);
//Particle System Core
ParticleSystemCoreRecPtr ParticleNodeCore = ParticleSystemCore::create();
ParticleNodeCore->setSystem(ExampleParticleSystem);
ParticleNodeCore->setDrawer(ExamplePointParticleSystemDrawer);
ParticleNodeCore->setMaterial(PSMaterial);
ParticleNodeCore->setSortingMode(ParticleSystemCore::BACK_TO_FRONT);
NodeRefPtr PSNode = Node::create();
PSNode->setCore(ParticleNodeCore);
// Make Main Scene Node and add the Torus
NodeRefPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(PSNode);
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1, &sceneManager,
ParticleNodeCore.get(),
ExamplePointParticleSystemDrawer.get(),
ExampleParticleSystem.get(),
ExampleConditionalAffector.get()));
sceneManager.setRoot(scene);
// Show the whole Scene
sceneManager.showAll();
sceneManager.getCamera()->setFar(1000.0);
sceneManager.getCamera()->setNear(0.10);
FCFileType::FCPtrStore Containers;
Containers.insert(scene);
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"16FullTest");
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}
