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));
// Material blend chunk
BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
//load up images for PS drawer
ImageRefPtr rocket = ImageFileHandler::the()->read("Data/rocket.png");
ImageRefPtr smoke = ImageFileHandler::the()->read("Data/Smokey.png");
//Texture Chunk
TextureObjChunkRefPtr PSRocketTexChunk = TextureObjChunk::create();
PSRocketTexChunk->setImage(rocket);
TextureEnvChunkRefPtr PSRocketTexEnvChunk = TextureEnvChunk::create();
PSRocketTexEnvChunk->setEnvMode(GL_MODULATE);
TextureObjChunkRefPtr SmokeTexChunk = TextureObjChunk::create();
SmokeTexChunk->setImage(smoke);
TextureEnvChunkRefPtr SmokeTexEnvChunk = TextureEnvChunk::create();
SmokeTexEnvChunk->setEnvMode(GL_MODULATE);
//Particle System Material
MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
PSMaterialChunkChunk->setAmbient(Color4f(1.0f,0.5f,0.3f,1.0f));
PSMaterialChunkChunk->setDiffuse(Color4f(1.0f,0.5f,0.3f,0.6f));
PSMaterialChunkChunk->setSpecular(Color4f(1.0f,0.5f,0.3f,0.6f));
PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
// Assembling materials
ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(PSMaterialChunkChunk);
PSMaterial->addChunk(PSBlendChunk);
PSMaterial->addChunk(PSRocketTexChunk);
ChunkMaterialRefPtr TrailMaterial = ChunkMaterial::create();
TrailMaterial->addChunk(PSMaterialChunkChunk);
TrailMaterial->addChunk(PSBlendChunk);
TrailMaterial->addChunk(SmokeTexChunk);
AgeFadeParticleAffectorRefPtr AgeFadeAffector = AgeFadeParticleAffector::create();
AgeFadeAffector->setFadeInTime(0.0f);
AgeFadeAffector->setStartAlpha(1.0f);
AgeFadeAffector->setEndAlpha(0.0f);
AgeFadeAffector->setFadeOutTime(0.35f);
AgeFadeAffector->setFadeToAlpha(1.0f);
// Creating a particle generator
RateParticleGeneratorRefPtr ExampleGenerator = RateParticleGenerator::create();
//Attach the function objects to the Generator
ExampleGenerator->setPositionDistribution(createPositionDistribution());
ExampleGenerator->setGenerationRate(3.0);
ExampleGenerator->setVelocityDistribution(createVelocityDistribution());
ExampleGenerator->setNormalDistribution(createNormalDistribution());
ExampleGenerator->setLifespanDistribution(createLifespanDistribution());
ExampleGenerator->setSizeDistribution(createSizeDistribution());
//Creating Particle System
ParticleSystemRecPtr ExampleParticleSystem = ParticleSystem::create();
ExampleParticleSystem->addParticle(Pnt3f(0,0,-100),Vec3f(0,1,0),Color4f(1,1,1,1),Vec3f(1,1,1),0.1,Vec3f(0,0,0),Vec3f(0,0,0));
ExampleParticleSystem->addParticle(Pnt3f(0,0,100),Vec3f(0,1,0),Color4f(1,1,1,1),Vec3f(1,1,1),0.1,Vec3f(0,0,0),Vec3f(0,0,0));
ExampleParticleSystem->setMaxParticles(5); // 5 rockets max to avoid collisions. they are bad.
ExampleParticleSystem->pushToAffectors(AgeFadeAffector);
ExampleParticleSystem->attachUpdateProducer(TutorialWindow);
//Creating Particle System Drawer
QuadParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = QuadParticleSystemDrawer::create();
ExampleParticleSystemDrawer->setNormalAndUpSource(QuadParticleSystemDrawer::NORMAL_VIEW_DIRECTION,
QuadParticleSystemDrawer::UP_VELOCITY);
QuadParticleSystemDrawerRefPtr ExampleTrailDrawer = QuadParticleSystemDrawer::create();
ExampleTrailDrawer->setNormalAndUpSource(QuadParticleSystemDrawer::NORMAL_VIEW_DIRECTION,
QuadParticleSystemDrawer::UP_PARTICLE_NORMAL);
// Attaching affector and generator to the particle system
ExampleParticleSystem->pushToGenerators(ExampleGenerator);
//Particle System Core, setting its system, drawer, and material
ParticleSystemCoreRefPtr ParticleNodeCore = ParticleSystemCore::create();
ParticleNodeCore->setSystem(ExampleParticleSystem);
ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
ParticleNodeCore->setMaterial(PSMaterial);
// create Particle System Particle Trail generator
ParticleSystemParticleTrailGeneratorRecPtr ExamplePSTrailGenerator = ParticleSystemParticleTrailGenerator::create();
ExamplePSTrailGenerator->setTrailResolution(0.05f);
ExamplePSTrailGenerator->setTrailLength(1.2);
ExamplePSTrailGenerator->setTrailLengthMethod(ParticleTrailGenerator::TIME);
ExamplePSTrailGenerator->setTrailResolutionMethod(ParticleTrailGenerator::TIME_SPACING);
ExamplePSTrailGenerator->setTrailMaterial(TrailMaterial);
ExamplePSTrailGenerator->setTrailDrawer(ExampleTrailDrawer);
ExamplePSTrailGenerator->setSizeDistribution(createTrailSizeDistribution());
ExamplePSTrailGenerator->setColorDistribution(createColorDistribution());
ExamplePSTrailGenerator->setNormalDistribution(createNormalDistribution());
ExamplePSTrailGenerator->setVelocityDistribution(createNormalDistribution());
// create affectors for particle trails
GravityParticleAffectorRefPtr GravAffector = GravityParticleAffector::create();
GravAffector->setBeacon(ExamplePSTrailGenerator);
AgeFadeParticleAffectorRefPtr TrailAgeFadeAffector = AgeFadeParticleAffector::create();
TrailAgeFadeAffector->setFadeInTime(0.2f);
TrailAgeFadeAffector->setStartAlpha(0.0f);
TrailAgeFadeAffector->setEndAlpha(0.0f);
TrailAgeFadeAffector->setFadeOutTime(1.0f);
TrailAgeFadeAffector->setFadeToAlpha(0.6f);
// now we attach the affector to the particle trail generator's particle system
ExamplePSTrailGenerator->getParticleSystem()->pushToAffectors(TrailAgeFadeAffector);
// attach listener for trail generator to the particle system
ExamplePSTrailGenerator->setSystemToTrail(ExampleParticleSystem);
//Attach the the update producer to the particle system particle trail generator.
ExamplePSTrailGenerator->attachUpdateProducer(TutorialWindow);
// Set up node with the particle system at its core
NodeRefPtr ParticleNode = Node::create();
ParticleNode->setCore(ParticleNodeCore);
ParticleNode->addChild(ExamplePSTrailGenerator);
// Make Main Scene Node
NodeRefPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(ParticleNode);
sceneManager.setRoot(scene);
// Show the whole Scene
sceneManager.showAll();
sceneManager.getCamera()->setFar(10000.0f);
sceneManager.getCamera()->setNear(0.1f);
sceneManager.setStatistics(false);
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"02ParticleSystemParticleTrail");
std::cout << "Controls: " << std::endl
<< "P: Increase Trail Resolution" << std::endl
<< "L: Decrease Trail Resolution" << std::endl
<< "O: Increase Trail Length" << std::endl
<< "K: Decrease Trail Length" << std::endl
<< "J: Toggle calculating trail length by num points/time" << std::endl
<< "Y: Toggle calculating trail point spacing by time/distance" << std::endl
<< "B: Particle burst" << std::endl;
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}
int main(int argc, char **argv)
{
preloadSharedObject("OSGImageFileIO");
// 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));
// Creating the Particle System Material
// Here, the image is loaded. The entire image sequence is conatined in one image,
// which reduces texture memory overhead and runs faster.
TextureObjChunkRefPtr QuadTextureChunk = TextureObjChunk::create();
ImageRefPtr LoadedImage = ImageFileHandler::the()->read("Data/SpriteExplode.png");
QuadTextureChunk->setImage(LoadedImage);
TextureEnvChunkRefPtr QuadTextureEnvChunk = TextureEnvChunk::create();
QuadTextureEnvChunk->setEnvMode(GL_MODULATE);
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,0.0f,0.0f,1.0f));
PSMaterialChunk->setDiffuse(Color4f(0.7f,0.0f,0.0f,1.0f));
PSMaterialChunk->setSpecular(Color4f(0.9f,0.0f,0.0f,1.0f));
PSMaterialChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(QuadTextureChunk);
PSMaterial->addChunk(QuadTextureEnvChunk);
PSMaterial->addChunk(PSMaterialChunk);
PSMaterial->addChunk(PSBlendChunk);
//Particle System
ParticleSystemRecPtr ExampleParticleSystem = ParticleSystem::create();
ExampleParticleSystem->attachUpdateProducer(TutorialWindow);
//Age Particle Function. Controls which image is shown when, based on the age of a particle.
AgeParticleFunctionRecPtr AgeFunc = AgeParticleFunction::create();
AgeFunc->setSequenceTime(0.1f); // image changes every 0.1 seconds.
AgeFunc->setSequenceOrder(AgeParticleFunction::CUSTOM); // using the custom sequence below.
/*
Here, a custom sequence for the image ordering is assembled. The image sequence will be shown in
the order specified here. Once the end of the sequence is reached, the sequence repeats.
*/
AgeFunc->editMFCustomSequence()->push_back(0);
AgeFunc->editMFCustomSequence()->push_back(1);
AgeFunc->editMFCustomSequence()->push_back(2);
AgeFunc->editMFCustomSequence()->push_back(3);
AgeFunc->editMFCustomSequence()->push_back(4);
AgeFunc->editMFCustomSequence()->push_back(5);
AgeFunc->editMFCustomSequence()->push_back(4);
AgeFunc->editMFCustomSequence()->push_back(3);
AgeFunc->editMFCustomSequence()->push_back(2);
AgeFunc->editMFCustomSequence()->push_back(1);
//Particle System Drawer -
QuadSequenceParticleSystemDrawerRecPtr ExampleParticleSystemDrawer = QuadSequenceParticleSystemDrawer::create();
// image dimensions (in pixels) are required if there is a border on the images.
ExampleParticleSystemDrawer->setImageDimensions(Vec2us(780,520));
// The "dimensions" of the sequence contained in the image. For this image,
// there are 3 images in the "x" direction, and two in the "y" direction, for a
// total of 6.
ExampleParticleSystemDrawer->setSequenceDimensions(Vec2b(3,2));
// width of the border on each side of the image, in pixels.
ExampleParticleSystemDrawer->setBorderOffsets(Vec2b(0,0));
// this is the age function we just created above.
ExampleParticleSystemDrawer->setSequenceFunction(AgeFunc);
RateParticleGeneratorRecPtr ExampleParticleGenerator = RateParticleGenerator::create();
//Attach the function objects to the Generator
ExampleParticleGenerator->setPositionDistribution(createPositionDistribution());
ExampleParticleGenerator->setLifespanDistribution(createLifespanDistribution());
ExampleParticleGenerator->setVelocityDistribution(createVelocityDistribution());
ExampleParticleGenerator->setAccelerationDistribution(createAccelerationDistribution());
ExampleParticleGenerator->setSizeDistribution(createSizeDistribution());
ExampleParticleGenerator->setGenerationRate(40.0f);
//Particle System Node
ParticleSystemCoreRefPtr ParticleNodeCore = ParticleSystemCore::create();
ParticleNodeCore->setSystem(ExampleParticleSystem);
ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
ParticleNodeCore->setMaterial(PSMaterial);
ParticleNodeCore->setSortingMode(ParticleSystemCore::BACK_TO_FRONT);
NodeRefPtr ParticleNode = Node::create();
ParticleNode->setCore(ParticleNodeCore);
ExampleParticleSystem->addParticle(Pnt3f(10.0,0.0,0.0),
Vec3f(0.0,1.0,0.0),
Color4f(1.0,1.0,1.0,1.0),
Vec3f(1.0,1.0,1.0),
0.01,
Vec3f(0.0,0.0,0.0),
Vec3f(0.0,0.0,0.0));
ExampleParticleSystem->addParticle(Pnt3f(-10.0,0.0,0.0),
Vec3f(0.0,1.0,0.0),
Color4f(1.0,1.0,1.0,1.0),
Vec3f(1.0,1.0,1.0),
0.01,
Vec3f(0.0,0.0,0.0),
Vec3f(0.0,0.0,0.0));
ExampleParticleSystem->pushToGenerators(ExampleParticleGenerator);
// Make Main Scene Node and add the Torus
NodeRefPtr scene = makeCoredNode<Group>();
scene->addChild(ParticleNode);
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1,
&sceneManager,
AgeFunc.get()));
sceneManager.setRoot(scene);
// Show the whole Scene
sceneManager.showAll();
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"05a - QuadSequenceParticleDrawer");
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}
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
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);
Distribution3DRefPtr PositionDistribution = createPositionDistribution();
Pnt3f PositionReturnValue;
//Particle System
ParticleSystemRecPtr ExampleParticleSystem = ParticleSystem::create();
for(UInt32 i(0) ; i<500 ; ++i)//controls how many particles are created
{
if(PositionDistribution != NULL)
{
PositionReturnValue = Pnt3f(PositionDistribution->generate());
}
ExampleParticleSystem->addParticle(
PositionReturnValue,
PositionReturnValue,
Vec3f(0.0f,0.0f,1.0f),
Color4f(1.0,0.0,0.0,1.0),
Vec3f(1.0,1.0,1.0),
-1, 0,
Vec3f(0.0,0.0,0.0), Vec3f(0.0f,0.0f,0.0f), //Velocity
Vec3f(0.0f,0.0f,0.0f), //acceleration
StringToUInt32Map() );
}
ExampleParticleSystem->attachUpdateProducer(TutorialWindow);
RandomMovementParticleAffectorRecPtr ExampleRMA = RandomMovementParticleAffector::create();
ExampleRMA->setAmplitude(100.0f);
AttributeAttractRepelParticleAffectorRecPtr ExampleAttributeAttractRepelParticleAffector = AttributeAttractRepelParticleAffector::create();
ExampleAttributeAttractRepelParticleAffector->setAttributeAffected(RandomMovementParticleAffector::POSITION_ATTRIBUTE);
ExampleAttributeAttractRepelParticleAffector->setMinDistance(0.0);
ExampleAttributeAttractRepelParticleAffector->setMaxDistance(10000000000000.0);
ExampleAttributeAttractRepelParticleAffector->setQuadratic(0.01);
ExampleAttributeAttractRepelParticleAffector->setLinear(0.01);
ExampleAttributeAttractRepelParticleAffector->setConstant(0.0);
ExampleParticleSystem->pushToAffectors(ExampleRMA);
ExampleParticleSystem->pushToAffectors(ExampleAttributeAttractRepelParticleAffector);
ExampleParticleSystem->setUpdateSecAttribs(false);
//Particle System Drawer
QuadParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = QuadParticleSystemDrawer::create();
//Particle System Node
ParticleSystemCoreRefPtr ParticleNodeCore = ParticleSystemCore::create();
ParticleNodeCore->setSystem(ExampleParticleSystem);
ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
ParticleNodeCore->setMaterial(PSMaterial);
NodeRefPtr ParticleNode = Node::create();
ParticleNode->setCore(ParticleNodeCore);
// Make Main Scene Node
NodeRefPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(ParticleNode);
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1,
&sceneManager,
ExampleParticleSystem.get(),
ExampleRMA.get(),
ExampleAttributeAttractRepelParticleAffector.get()));
sceneManager.setRoot(scene);
// Show the whole Scene
sceneManager.showAll();
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"17RandomMovement");
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}
int main(int argc, char **argv)
{
preloadSharedObject("OSGImageFileIO");
// 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->connectMouseReleased(boost::bind(mouseReleased, _1, &sceneManager));
TutorialWindow->connectMouseDragged(boost::bind(mouseDragged, _1, &sceneManager));
TutorialWindow->connectMouseWheelMoved(boost::bind(mouseWheelMoved, _1, &sceneManager));
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1, &sceneManager));
//Particle System Material
//point material
PointChunkRefPtr PSPointChunk = PointChunk::create();
PSPointChunk->setSize(5.0f);
PSPointChunk->setSmooth(true);
BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
PSMaterialChunkChunk->setAmbient(Color4f(0.3f,0.3f,0.3f,1.0f));
PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
ChunkMaterialRefPtr PSPointMaterial = ChunkMaterial::create();
PSPointMaterial->addChunk(PSPointChunk);
PSPointMaterial->addChunk(PSMaterialChunkChunk);
PSPointMaterial->addChunk(PSBlendChunk);
//smoke material
TextureObjChunkRefPtr QuadTextureObjChunk = TextureObjChunk::create();
ImageRefPtr LoadedImage = ImageFileHandler::the()->read("Data/Smoke.png");
QuadTextureObjChunk->setImage(LoadedImage);
TextureEnvChunkRefPtr QuadTextureEnvChunk = TextureEnvChunk::create();
QuadTextureEnvChunk->setEnvMode(GL_MODULATE);
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);
ChunkMaterialRefPtr PSSmokeMaterial = ChunkMaterial::create();
PSSmokeMaterial->addChunk(QuadTextureObjChunk);
PSSmokeMaterial->addChunk(PSMaterialChunk);
PSSmokeMaterial->addChunk(PSBlendChunk);
PSSmokeMaterial->addChunk(QuadTextureEnvChunk);
//Particle System
//Rocket
ParticleSystemRecPtr RocketParticleSystem = ParticleSystem::create();
RocketParticleSystem->attachUpdateProducer(TutorialWindow);
//smoke
ParticleSystemRecPtr SmokeParticleSystem = ParticleSystem::create();
SmokeParticleSystem->attachUpdateProducer(TutorialWindow);
//Shrapnel
ParticleSystemRecPtr ShrapnelParticleSystem = ParticleSystem::create();
ShrapnelParticleSystem->attachUpdateProducer(TutorialWindow);
//Fireball
ParticleSystemRecPtr FireballParticleSystem = ParticleSystem::create();
FireballParticleSystem->attachUpdateProducer(TutorialWindow);
//Particle System Drawer
//Rocket does not have a drawer because it is being attached to a special node core
//Smoke
QuadParticleSystemDrawerRecPtr SmokeParticleSystemDrawer = QuadParticleSystemDrawer::create();
//SmokeParticleSystemDrawer->setQuadSizeScaling(Vec2f(0.5f,0.5f));
//Shrapnel
PointParticleSystemDrawerRecPtr ExampleShrapnelParticleSystemDrawer = PointParticleSystemDrawer::create();
ExampleShrapnelParticleSystemDrawer->setForcePerParticleSizing(true);
//Fireball
PointParticleSystemDrawerRecPtr ExampleFireballParticleSystemDrawer = PointParticleSystemDrawer::create();
ExampleFireballParticleSystemDrawer->setForcePerParticleSizing(true);
//Particle System Node
//collision node
//NodeRefPtr EnvironmentNode = makeSphere(2,4.0f);
Matrix EnvironmentTransformation;
EnvironmentTransformation.setTranslate(0.0f,0.0f,10.0f);
TransformRefPtr EnvironmentTransformCore = Transform::create();
EnvironmentTransformCore->setMatrix(EnvironmentTransformation);
NodeRefPtr EnvironmentNode = Node::create();
EnvironmentNode->setCore(EnvironmentTransformCore);
NodeRefPtr EnvironmentGeoNode = SceneFileHandler::the()->read("Data/house.obj");
if(EnvironmentGeoNode == NULL)
{
EnvironmentGeoNode = makeTorus(.5, 2, 16, 16);
}
EnvironmentNode->addChild(EnvironmentGeoNode);
NodeRefPtr RocketParticlePrototypeNode = SceneFileHandler::the()->read("Data/rocket.obj");
if(RocketParticlePrototypeNode == NULL)
{
RocketParticlePrototypeNode = makeTorus(.2, 0.8, 16, 16);
}
NodeParticleSystemCoreRefPtr RocketParticleNodeCore = NodeParticleSystemCore::create();
RocketParticleNodeCore->setSystem(RocketParticleSystem);
RocketParticleNodeCore->setPrototypeNode(RocketParticlePrototypeNode);
RocketParticleNodeCore->setNormalSource(NodeParticleSystemCore::NORMAL_VELOCITY);
RocketParticleNodeCore->setUpSource(NodeParticleSystemCore::UP_PARTICLE_NORMAL);
RocketParticleNodeCore->setUp(Vec3f(0.0f,1.0f,0.0f));
//Geometry Collision Affector
GeometryCollisionParticleSystemAffectorRefPtr ExampleGeometryCollisionParticleSystemAffector = GeometryCollisionParticleSystemAffector::create();
ExampleGeometryCollisionParticleSystemAffector->setCollisionNode(EnvironmentNode);
ExampleGeometryCollisionParticleSystemAffector->connectParticleCollision(boost::bind(particleCollision, _1));
NodeRefPtr RocketParticleNode = Node::create();
RocketParticleNode->setCore(RocketParticleNodeCore);
//Attach the Affector to the Rocket Particle System
//RocketParticleSystem->pushToAffectors();
RocketParticleSystem->pushToSystemAffectors(ExampleGeometryCollisionParticleSystemAffector);
//Smoke
RateParticleGeneratorRecPtr SmokeGenerator = RateParticleGenerator::create();
//Attach the function objects to the Generator
Distribution3DRefPtr SmokePositionDistribution = createSmokePositionDistribution();
SmokeGenerator->setPositionDistribution(SmokePositionDistribution);
SmokeGenerator->setLifespanDistribution(createSmokeLifespanDistribution());
SmokeGenerator->setGenerationRate(50.0);
SmokeGenerator->setVelocityDistribution(createSmokeVelocityDistribution());
//Attach the function objects the Affectors
AgeFadeParticleAffectorRecPtr SmokeAgeFadeParticleAffector = AgeFadeParticleAffector::create();
SmokeAgeFadeParticleAffector->setFadeInTime(2.0f);
SmokeAgeFadeParticleAffector->setFadeOutTime(5.0f);
SmokeAgeFadeParticleAffector->setStartAlpha(0.0f);
SmokeAgeFadeParticleAffector->setFadeToAlpha(0.2f);
SmokeAgeFadeParticleAffector->setEndAlpha(0.0f);
AgeSizeParticleAffectorRecPtr SmokeAgeSizeParticleAffector = AgeSizeParticleAffector::create();
//ages
SmokeAgeSizeParticleAffector->editMFAges()->push_back(0.1);
SmokeAgeSizeParticleAffector->editMFAges()->push_back(0.2);
SmokeAgeSizeParticleAffector->editMFAges()->push_back(0.3);
SmokeAgeSizeParticleAffector->editMFAges()->push_back(0.5);
SmokeAgeSizeParticleAffector->editMFAges()->push_back(0.7);
SmokeAgeSizeParticleAffector->editMFAges()->push_back(0.8);
SmokeAgeSizeParticleAffector->editMFAges()->push_back(1.0);
//sizes
SmokeAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(0.5,0.5,0.5));
SmokeAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(1.0,1.0,1.0));
SmokeAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(2.0,2.0,2.0));
SmokeAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(3.0,3.0,3.0));
SmokeAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(4.0,4.0,4.0));
SmokeAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(5.0,5.0,5.0));
SmokeAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(6.5,6.5,6.5));
ParticleSystemCoreRefPtr SmokeParticleNodeCore = ParticleSystemCore::create();
SmokeParticleNodeCore->setSystem(SmokeParticleSystem);
SmokeParticleNodeCore->setDrawer(SmokeParticleSystemDrawer);
SmokeParticleNodeCore->setMaterial(PSSmokeMaterial);
NodeRefPtr SmokeParticleNode = Node::create();
SmokeParticleNode->setCore(SmokeParticleNodeCore);
//end/////////////////////
//Shrapnel
BurstParticleGeneratorRecPtr ShrapnelBurstGenerator = BurstParticleGenerator::create();
NodeRefPtr ShrapnelParticlePrototypeNode = SceneFileHandler::the()->read("Data/Shrapnel.obj");
NodeParticleSystemCoreRefPtr ShrapnelParticleNodeCore = NodeParticleSystemCore::create();
ShrapnelParticleNodeCore->setSystem(ShrapnelParticleSystem);
ShrapnelParticleNodeCore->setPrototypeNode(ShrapnelParticlePrototypeNode);
//Attach the function objects to the Generator
Distribution3DRefPtr ShrapnelPositionDistribution = createShrapnelPositionDistribution();
ShrapnelBurstGenerator->setPositionDistribution(ShrapnelPositionDistribution);
ShrapnelBurstGenerator->setLifespanDistribution(createLifespanDistribution());
ShrapnelBurstGenerator->setBurstAmount(50.0);
ShrapnelBurstGenerator->setVelocityDistribution(createShrapnelVelocityDistribution());
ShrapnelBurstGenerator->setAccelerationDistribution(createShrapnelAccelerationDistribution());
NodeRefPtr ShrapnelParticleNode = Node::create();
ShrapnelParticleNode->setCore(ShrapnelParticleNodeCore);
//end/////////////////////
//fireball
BurstParticleGeneratorRecPtr FireballGenerator = BurstParticleGenerator::create();
NodeRefPtr FireballParticlePrototypeNode = SceneFileHandler::the()->read("Data/bubble.obj");
NodeParticleSystemCoreRefPtr FireballParticleNodeCore = NodeParticleSystemCore::create();
FireballParticleNodeCore->setSystem(FireballParticleSystem);
FireballParticleNodeCore->setPrototypeNode(FireballParticlePrototypeNode);
//Attach the function objects to the Generator
Distribution3DRefPtr FireballPositionDistribution = createFireballPositionDistribution();
FireballGenerator->setPositionDistribution(FireballPositionDistribution);
FireballGenerator->setLifespanDistribution(createFireballLifespanDistribution());
FireballGenerator->setBurstAmount(100.0);
FireballGenerator->setVelocityDistribution(createFireballVelocityDistribution());
FireballGenerator->setAccelerationDistribution(createFireballAccelerationDistribution());
//Attach the function objects the Affectors
AgeSizeParticleAffectorRecPtr FireballAgeSizeParticleAffector = AgeSizeParticleAffector::create();
//ages
FireballAgeSizeParticleAffector->editMFAges()->push_back(0.1);
FireballAgeSizeParticleAffector->editMFAges()->push_back(0.2);
FireballAgeSizeParticleAffector->editMFAges()->push_back(0.3);
FireballAgeSizeParticleAffector->editMFAges()->push_back(0.5);
FireballAgeSizeParticleAffector->editMFAges()->push_back(0.7);
FireballAgeSizeParticleAffector->editMFAges()->push_back(0.8);
FireballAgeSizeParticleAffector->editMFAges()->push_back(1.0);
//sizes
FireballAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(2.0,2.0,2.0));
FireballAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(2.3,2.3,2.3));
FireballAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(2.5,2.5,2.5));
FireballAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(3.0,3.0,3.0));
FireballAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(4.0,4.0,4.0));
FireballAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(5.0,5.0,5.0));
FireballAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(6.5,6.5,6.5));
NodeRefPtr FireballParticleNode = Node::create();
FireballParticleNode->setCore(FireballParticleNodeCore);
//end/////////////////////
//Attach the Affector to the Smoke Particle System
SmokeParticleSystem->pushToAffectors(SmokeAgeFadeParticleAffector);
SmokeParticleSystem->pushToAffectors(SmokeAgeSizeParticleAffector);
//Attach the Affector to the fireball Particle System
FireballParticleSystem->pushToAffectors(FireballAgeSizeParticleAffector);
// Make Main Scene Node
NodeRefPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(RocketParticleNode);
scene->addChild(SmokeParticleNode);
scene->addChild(ShrapnelParticleNode);
scene->addChild(FireballParticleNode);
scene->addChild(EnvironmentNode);
RocketParticleSystem->connectParticleKilled(boost::bind(particleKilled, _1,
ShrapnelParticleSystem.get(),
ShrapnelBurstGenerator.get(),
SmokeParticleSystem.get(),
SmokeGenerator.get(),
FireballParticleSystem.get(),
FireballGenerator.get()));
TutorialWindow->connectMousePressed(boost::bind(mousePressed, _1,
&sceneManager,
RocketParticleSystem.get()));
sceneManager.setRoot(scene);
//Create the Documentation
SimpleScreenDoc TheSimpleScreenDoc(&sceneManager, TutorialWindow);
sceneManager.getNavigator()->set(Pnt3f(0.0,0.0,-10.0), Pnt3f(0.0,0.0,0.0), Vec3f(0.0,1.0,0.0));
sceneManager.getNavigator()->setMotionFactor(1.0f);
sceneManager.getCamera()->setNear(0.1f);
sceneManager.getCamera()->setFar(1000.0f);
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"20RocketLauncher");
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}
void ParticleTrailGenerator::handleSystemUpdated(ParticleSystemEventDetails* const details)
{
ParticleSystemRecPtr system = dynamic_cast<ParticleSystem*>(details->getSource());
Real64 timeStamp = details->getTimeStamp();
UInt32 numParticles = system->getNumParticles();
// check for proper init. of last added value
if(!_mInitialized)
{
_mLastAdded = timeStamp;
_mInitialized = true;
}
// add new trail sections
if(getTrailResolutionMethod() == TIME_SPACING)
{
Time start(_mLastAdded);
while(_mLastAdded + getTrailResolution() < timeStamp)
{
_mLastAdded += getTrailResolution();
Time fractionalTime = 1 - (timeStamp - _mLastAdded)/(timeStamp - start);
for(PTMItor it = _mTrails.begin(); it != _mTrails.end(); it++)
{
if((*it).second.size() > 0)
{
ParticleTrailGenerator::TrailSection newSection;
newSection.pos = lerp((*it).second.back().pos,
system->getPosition((*it).first),fractionalTime);
newSection.time = lerp<Time>(_mLastAdded,timeStamp,fractionalTime);
newSection.ID = getNextTSID();
(*it).second.push_back(newSection);
internalTrailSectGenerated(newSection, system->getVelocity((*it).first));
}
}// end for(numParticles)
}// end while(_mLastAdded + ...)
} else if(getTrailResolutionMethod() == DISTANCE_SPACING)
{
ParticleTrailGenerator::TrailSection newSection;
Real32 curDist(0.0f), origDist(0.0f);
for(PTMItor it = _mTrails.begin(); it != _mTrails.end(); it++)
{
// we continue to add new sections to the trail as long as the
// distance between the last added trail section and the current
// position is greater than the trail resolution
if((*it).second.size() > 0)
{ // get distance between current position and last added section
origDist = system->getPosition((*it).first).dist((*it).second.back().pos);
curDist = origDist;
while(curDist > getTrailResolution())
{ // generate new trail section
ParticleTrailGenerator::TrailSection newSection;
Real32 fractionalDistance = 1 - (curDist-getTrailResolution())/origDist;
Pnt3f pos = lerp((*it).second.back().pos,
system->getPosition((*it).first),fractionalDistance);
newSection.pos = pos;
newSection.time = lerp<Time>((*it).second.back().time,timeStamp,fractionalDistance);
newSection.ID = getNextTSID();
(*it).second.push_back(newSection);
internalTrailSectGenerated(newSection, system->getVelocity((*it).first));
// update distance
curDist = system->getPosition((*it).first).dist(pos);
}// end while
}// end if
}// end for
} else // 1 trail section/update
{
for(PTMItor it = _mTrails.begin(); it != _mTrails.end(); it++)
{
ParticleTrailGenerator::TrailSection newSection;
newSection.time = timeStamp;
newSection.pos = system->getPosition((*it).first);
newSection.ID = getNextTSID();
(*it).second.push_back(newSection);
internalTrailSectGenerated(newSection, system->getVelocity((*it).first));
}
}
// remove old/outdated trail sections for active particle trails
for(PTMItor it = _mTrails.begin(); it != _mTrails.end(); it++)
{
if(getTrailLengthMethod() == TIME && (*it).second.size() > 0)
{
while(/*sectionAge > getTrailLength() &&*/ (*it).second.size() > 0)
{
Real64 sectionAge = timeStamp - (*it).second.front().time;
if(sectionAge > getTrailLength())
{
internalTrailSectKilled((*it).second.front());
(*it).second.pop_front();
} else break;
}
} else if((*it).second.size() > 0) // getTrailLengthMethod() == NUM_POINTS
{
UInt32 trailLength = (UInt32)getTrailLength();
while((*it).second.size() > trailLength)
{
internalTrailSectKilled((*it).second.front());
(*it).second.pop_front();
}
}// end if/else if
}// end for(_mTrails.size())
// remove old trail sections for killed particles
for(PTMItor kptItor = _mKilledParticleTrails.begin(); kptItor != _mKilledParticleTrails.end(); kptItor++)
{
int numKilledTrails = _mKilledParticleTrails.size();
if(getTrailLengthMethod() == TIME)
{
int thisSize = (*kptItor).second.size();
while((*kptItor).second.size() > 0)
{
thisSize = (*kptItor).second.size();
Real64 sectionAge = timeStamp - (*kptItor).second.front().time;
UInt32 myid = (*kptItor).second.front().ID;
if(sectionAge > getTrailLength())
{
internalTrailSectKilled((*kptItor).second.front());
(*kptItor).second.pop_front();
} else break;
}
} else // getTrailLengthMethod() == NUM_POINTS
{ // No more points are being generated, so if these aren't removed, they will stay forever.
// So, we just clear the trails.
while((*kptItor).second.size() > 0)
{
internalTrailSectKilled((*kptItor).second.front());
(*kptItor).second.pop_front();
}
}
} // end for(_mKilledParticleTrails.size())
// fire off internal update for subclasses of trail generators
internalUpdate(details);
}
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
TextureObjChunkRefPtr QuadTextureChunk = TextureObjChunk::create();
ImageRefPtr LoadedImage = ImageFileHandler::the()->read("Data/Cloud.png");
QuadTextureChunk->setImage(LoadedImage);
TextureEnvChunkRefPtr QuadTextureEnvChunk = TextureEnvChunk::create();
QuadTextureEnvChunk->setEnvMode(GL_MODULATE);
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);
ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(QuadTextureChunk);
PSMaterial->addChunk(QuadTextureEnvChunk);
PSMaterial->addChunk(PSMaterialChunk);
PSMaterial->addChunk(PSBlendChunk);
//Particle System
ParticleSystemRecPtr ExampleParticleSystem = ParticleSystem::create();
ExampleParticleSystem->attachUpdateProducer(TutorialWindow);
//Particle System Drawer
QuadParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = QuadParticleSystemDrawer::create();
BurstParticleGeneratorRecPtr ExampleBurstGenerator = BurstParticleGenerator::create();
//Attach the function objects to the Generator
ExampleBurstGenerator->setPositionDistribution(createPositionDistribution());
ExampleBurstGenerator->setLifespanDistribution(createLifespanDistribution());
ExampleBurstGenerator->setBurstAmount(50.0);
ExampleBurstGenerator->setVelocityDistribution(createVelocityDistribution());
ExampleBurstGenerator->setAccelerationDistribution(createAccelerationDistribution());
ExampleBurstGenerator->setSizeDistribution(createSizeDistribution());
//Particle System Node
ParticleSystemCoreRefPtr ParticleNodeCore = ParticleSystemCore::create();
ParticleNodeCore->setSystem(ExampleParticleSystem);
ParticleNodeCore->setDrawer(ExampleParticleSystemDrawer);
ParticleNodeCore->setMaterial(PSMaterial);
NodeRefPtr ParticleNode = Node::create();
ParticleNode->setCore(ParticleNodeCore);
//Ground Node
NodeRefPtr GoundNode = makePlane(30.0,30.0,10,10);
Matrix GroundTransformation;
GroundTransformation.setRotate(Quaternion(Vec3f(1.0f,0.0,0.0), -3.14195f));
TransformRefPtr GroundTransformCore = Transform::create();
GroundTransformCore->setMatrix(GroundTransformation);
NodeRefPtr GroundTransformNode = Node::create();
GroundTransformNode->setCore(GroundTransformCore);
GroundTransformNode->addChild(GoundNode);
// Make Main Scene Node and add the Torus
NodeRefPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(ParticleNode);
scene->addChild(GroundTransformNode);
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1,
&sceneManager,
ExampleParticleSystem.get(),
ExampleBurstGenerator.get(),
ExampleParticleSystemDrawer.get()));
sceneManager.setRoot(scene);
//Create the Documentation
SimpleScreenDoc TheSimpleScreenDoc(&sceneManager, TutorialWindow);
// Show the whole Scene
sceneManager.showAll();
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"05QuadParticleDrawer");
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}
int main(int argc, char **argv)
{
preloadSharedObject("OSGImageFileIO");
// 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));
// Creating the Particle System Material
// Here, the image is loaded. The entire image sequence is conatined in one image,
// which reduces texture memory overhead and runs faster.
TextureObjChunkRefPtr QuadTextureChunk = TextureObjChunk::create();
ImageRefPtr LoadedImage = ImageFileHandler::the()->read("Data/Explosion.png");
QuadTextureChunk->setImage(LoadedImage);
TextureEnvChunkRefPtr QuadTextureEnvChunk = TextureEnvChunk::create();
QuadTextureEnvChunk->setEnvMode(GL_MODULATE);
BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
MaterialChunkRefPtr PSMaterialChunk = MaterialChunk::create();
PSMaterialChunk->setLit(false);
ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(QuadTextureChunk);
PSMaterial->addChunk(QuadTextureEnvChunk);
PSMaterial->addChunk(PSMaterialChunk);
PSMaterial->addChunk(PSBlendChunk);
//Particle System
ParticleSystemRecPtr ExplosionParticleSystem = ParticleSystem::create();
ExplosionParticleSystem->attachUpdateProducer(TutorialWindow);
//Age Particle Function. Controls which image is shown when, based on the age of a particle.
AgeParticleFunctionRecPtr AgeFunc = AgeParticleFunction::create();
AgeFunc->setSequenceTime(0.07f); // image changes every 0.1 seconds.
AgeFunc->setSequenceOrder(AgeParticleFunction::CUSTOM); // using the custom sequence below.
/*
Here, a custom sequence for the image ordering is assembled. The image sequence will be shown in
the order specified here. Once the end of the sequence is reached, the sequence repeats.
*/
UInt32 NumImages(25);
for(UInt32 i(0) ; i<NumImages ; ++i)
{
AgeFunc->editMFCustomSequence()->push_back(i);
}
//Particle System Drawer -
QuadSequenceParticleSystemDrawerRecPtr ExplosionParticleSystemDrawer = QuadSequenceParticleSystemDrawer::create();
// image dimensions (in pixels) are required if there is a border on the images.
ExplosionParticleSystemDrawer->setImageDimensions(Vec2us(320,320));
// The "dimensions" of the sequence contained in the image. For this image,
// there are 3 images in the "x" direction, and two in the "y" direction, for a
// total of 6.
ExplosionParticleSystemDrawer->setSequenceDimensions(Vec2b(5,5));
// width of the border on each side of the image, in pixels.
ExplosionParticleSystemDrawer->setBorderOffsets(Vec2b(0,0));
// this is the age function we just created above.
ExplosionParticleSystemDrawer->setSequenceFunction(AgeFunc);
RateParticleGeneratorRecPtr ExplosionParticleGenerator = RateParticleGenerator::create();
//Attach the function objects to the Generator
ExplosionParticleGenerator->setPositionDistribution(createPositionDistribution());
ExplosionParticleGenerator->setLifespanDistribution(createLifespanDistribution());
ExplosionParticleGenerator->setVelocityDistribution(createVelocityDistribution());
ExplosionParticleGenerator->setAccelerationDistribution(createAccelerationDistribution());
ExplosionParticleGenerator->setSizeDistribution(createSizeDistribution());
ExplosionParticleGenerator->setGenerationRate(100.0f);
//Particle System Node
ParticleSystemCoreRefPtr ExplosionParticleCore = ParticleSystemCore::create();
ExplosionParticleCore->setSystem(ExplosionParticleSystem);
ExplosionParticleCore->setDrawer(ExplosionParticleSystemDrawer);
ExplosionParticleCore->setMaterial(PSMaterial);
ExplosionParticleCore->setSortingMode(ParticleSystemCore::BACK_TO_FRONT);
NodeRefPtr ExplosionParticleNode = Node::create();
ExplosionParticleNode->setCore(ExplosionParticleCore);
ExplosionParticleSystem->addParticle(Pnt3f(10.0,0.0,0.0),
Vec3f(0.0,1.0,0.0),
Color4f(1.0,1.0,1.0,1.0),
Vec3f(1.0,1.0,1.0),
0.01,
Vec3f(0.0,0.0,0.0),
Vec3f(0.0,0.0,0.0));
ExplosionParticleSystem->addParticle(Pnt3f(-10.0,0.0,0.0),
Vec3f(0.0,1.0,0.0),
Color4f(1.0,1.0,1.0,1.0),
Vec3f(1.0,1.0,1.0),
0.01,
Vec3f(0.0,0.0,0.0),
Vec3f(0.0,0.0,0.0));
ExplosionParticleSystem->pushToGenerators(ExplosionParticleGenerator);
AgeSizeParticleAffectorRecPtr ExampleAgeSizeParticleAffector = AgeSizeParticleAffector::create();
//Age and size
ExampleAgeSizeParticleAffector->editMFAges()->push_back(0.0);
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(0.2,0.2,0.2));
ExampleAgeSizeParticleAffector->editMFAges()->push_back(1.0);
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(4.0,4.0,4.0));
ExampleAgeSizeParticleAffector->editMFAges()->push_back(1.8);
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(2.2,2.2,0.1));
//Age Fade Affector
AgeFadeParticleAffectorRecPtr ExampleAgeFadeParticleAffector = AgeFadeParticleAffector::create();
//Age and size
ExampleAgeFadeParticleAffector->setStartAlpha(0.0f);
ExampleAgeFadeParticleAffector->setFadeInTime(0.5f);
ExampleAgeFadeParticleAffector->setFadeToAlpha(1.0f);
ExampleAgeFadeParticleAffector->setFadeOutTime(0.5f);
ExampleAgeFadeParticleAffector->setEndAlpha(0.0f);
ExplosionParticleSystem->pushToAffectors(ExampleAgeFadeParticleAffector);
//Smoke Particle System
VortexParticleAffectorRecPtr SmokeVortexAffector = VortexParticleAffector::create();
SmokeVortexAffector->setMagnitude(0.2);
SmokeVortexAffector->setVortexAxis(Vec3f(0.0,1.0,0.0)); // field rotates around y axis
NodeRefPtr VortexBeacon = makeCoredNode<Group>();
SmokeVortexAffector->setBeacon(VortexBeacon); // set to 'emulate' from (0,0,0)
SmokeVortexAffector->setMaxDistance(-1.0); // particles affected regardless of distance
SmokeVortexAffector->setAttenuation(0.25); // strength of uniform field dimishes by dist^attenuation
AgeFadeParticleAffectorRecPtr SmokeAgeFadeParticleAffector = AgeFadeParticleAffector::create();
//Age and size
SmokeAgeFadeParticleAffector->setStartAlpha(0.0f);
SmokeAgeFadeParticleAffector->setFadeInTime(0.2f);
SmokeAgeFadeParticleAffector->setFadeToAlpha(1.0f);
SmokeAgeFadeParticleAffector->setFadeOutTime(3.5f);
SmokeAgeFadeParticleAffector->setEndAlpha(0.0f);
RateParticleGeneratorRecPtr SmokeParticleGenerator = RateParticleGenerator::create();
SmokeParticleGenerator->setSizeDistribution(createSmokeSizeDistribution());
SmokeParticleGenerator->setPositionDistribution(createSmokePositionDistribution());
SmokeParticleGenerator->setLifespanDistribution(createSmokeLifespanDistribution());
SmokeParticleGenerator->setVelocityDistribution(createSmokeVelocityDistribution());
SmokeParticleGenerator->setColorDistribution(createSmokeColorDistribution());
SmokeParticleGenerator->setGenerationRate(80.0f);
ParticleSystemRecPtr SmokeParticleSystem = ParticleSystem::create();
SmokeParticleSystem->pushToGenerators(SmokeParticleGenerator);
SmokeParticleSystem->attachUpdateProducer(TutorialWindow);
SmokeParticleSystem->pushToAffectors(SmokeAgeFadeParticleAffector);
SmokeParticleSystem->pushToAffectors(SmokeVortexAffector);
TextureObjChunkRefPtr SmokeTextureObjChunk = TextureObjChunk::create();
ImageRefPtr SmokeImage = ImageFileHandler::the()->read("Data/Smoke.png");
SmokeTextureObjChunk->setImage(SmokeImage);
ChunkMaterialRefPtr SmokeMaterial = ChunkMaterial::create();
SmokeMaterial->addChunk(SmokeTextureObjChunk);
SmokeMaterial->addChunk(QuadTextureEnvChunk);
SmokeMaterial->addChunk(PSMaterialChunk);
SmokeMaterial->addChunk(PSBlendChunk);
SmokeMaterial->setSortKey(-1.0f);
QuadParticleSystemDrawerRecPtr SmokeParticleSystemDrawer = QuadParticleSystemDrawer::create();
ParticleSystemCoreRefPtr SmokeParticleCore = ParticleSystemCore::create();
SmokeParticleCore->setSystem(SmokeParticleSystem);
SmokeParticleCore->setDrawer(SmokeParticleSystemDrawer);
SmokeParticleCore->setMaterial(SmokeMaterial);
SmokeParticleCore->setSortingMode(ParticleSystemCore::BACK_TO_FRONT);
NodeRefPtr SmokeParticleNode = Node::create();
SmokeParticleNode->setCore(SmokeParticleCore);
// Make Main Scene Node and add the Torus
NodeRefPtr scene = makeCoredNode<Group>();
scene->addChild(ExplosionParticleNode);
scene->addChild(SmokeParticleNode);
scene->addChild(VortexBeacon);
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1,
&sceneManager,
AgeFunc.get()));
sceneManager.setRoot(scene);
// Show the whole Scene
sceneManager.showAll();
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"06Explosion");
//Enter main Loop
TutorialWindow->mainLoop();
}
osgExit();
return 0;
}
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;
}
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
PointChunkRecPtr PSPointChunk = PointChunk::create();
PSPointChunk->setSize(5.0f);
PSPointChunk->setSmooth(true);
BlendChunkRecPtr PSBlendChunk = BlendChunk::create();
PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
MaterialChunkRecPtr 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);
ChunkMaterialRecPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(PSPointChunk);
PSMaterial->addChunk(PSMaterialChunkChunk);
PSMaterial->addChunk(PSBlendChunk);
//Particle System
ParticleSystemRecPtr 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->attachUpdateProducer(TutorialWindow);
//Particle System Drawer
//Point
PointParticleSystemDrawerRecPtr ExamplePointDrawer = PointParticleSystemDrawer::create();
//ExamplePointParticleSystemDrawer->setForcePerParticleSizing(true);
//Line
LineParticleSystemDrawerRecPtr ExampleLineDrawer = LineParticleSystemDrawer::create();
ExampleLineDrawer->setLineDirectionSource(LineParticleSystemDrawer::DIRECTION_NORMAL);//DIRECTION_VELOCITY_CHANGE);
ExampleLineDrawer->setLineLengthSource(LineParticleSystemDrawer::LENGTH_SIZE_X);
//Quad
QuadParticleSystemDrawerRecPtr ExampleQuadDrawer = QuadParticleSystemDrawer::create();
//Disc
DiscParticleSystemDrawerRecPtr ExampleDiscDrawer = DiscParticleSystemDrawer::create();
ExampleDiscDrawer->setSegments(16);
ExampleDiscDrawer->setCenterAlpha(1.0);
ExampleDiscDrawer->setEdgeAlpha(0.0);
//Particle System Node
ParticleSystemCoreRecPtr ParticleNodeCore = ParticleSystemCore::create();
ParticleNodeCore->setSystem(ExampleParticleSystem);
ParticleNodeCore->setDrawer(ExampleLineDrawer);
ParticleNodeCore->setMaterial(PSMaterial);
NodeRecPtr ParticleNode = Node::create();
ParticleNode->setCore(ParticleNodeCore);
// Make Main Scene Node
NodeRecPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(ParticleNode);
sceneManager.setRoot(scene);
TutorialWindow->connectKeyTyped(boost::bind(keyTyped, _1,
&sceneManager,
ParticleNodeCore.get(),
ExamplePointDrawer,
ExampleLineDrawer,
ExampleQuadDrawer,
ExampleDiscDrawer
));
//Create the Documentation
SimpleScreenDoc TheSimpleScreenDoc(&sceneManager, TutorialWindow);
// Show the whole Scene
sceneManager.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;
}
