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
TextureObjChunkRefPtr QuadTextureObjChunk = TextureObjChunk::create();
ImageRefPtr LoadedImage = ImageFileHandler::the()->read("Data/Cloud.png");
QuadTextureObjChunk->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(QuadTextureObjChunk);
PSMaterial->addChunk(QuadTextureEnvChunk);
PSMaterial->addChunk(PSMaterialChunk);
PSMaterial->addChunk(PSBlendChunk);
//Affector
ExampleAgeSizeParticleAffector = OSG::AgeSizeParticleAffector::create();
//ages
ExampleAgeSizeParticleAffector->editMFAges()->push_back(0.0);
ExampleAgeSizeParticleAffector->editMFAges()->push_back(0.05);
ExampleAgeSizeParticleAffector->editMFAges()->push_back(0.2);
ExampleAgeSizeParticleAffector->editMFAges()->push_back(0.36);
ExampleAgeSizeParticleAffector->editMFAges()->push_back(0.7);
ExampleAgeSizeParticleAffector->editMFAges()->push_back(0.8);
ExampleAgeSizeParticleAffector->editMFAges()->push_back(1.0);
//sizes
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(1.0,0.5,1.0));
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(1.0,0.5,1.0));
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(20.0,0.5,30.0));
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(3.0,3.0,3.0));
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(6.0,60.0,6.0));
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(2.0,3.0,1.0));
ExampleAgeSizeParticleAffector->editMFSizes()->push_back(Vec3f(10.0,1.0,10.0));
//Particle System
ExampleParticleSystem = OSG::ParticleSystem::create();
ExampleParticleSystem->attachUpdateListener(TutorialWindow);
ExampleParticleSystem->pushToAffectors(ExampleAgeSizeParticleAffector);
//Particle System Drawer
ExampleParticleSystemDrawer = OSG::QuadParticleSystemDrawer::create();
ExampleBurstGenerator = OSG::BurstParticleGenerator::create();
//Attach the function objects to the Generator
ExampleBurstGenerator->setPositionDistribution(createPositionDistribution());
ExampleBurstGenerator->setLifespanDistribution(createLifespanDistribution());
ExampleBurstGenerator->setBurstAmount(10.0);
ExampleBurstGenerator->setVelocityDistribution(createVelocityDistribution());
//ExampleBurstGenerator->setAccelerationDistribution(createAccelerationDistribution());
ExampleBurstGenerator->setSizeDistribution(createSizeDistribution());
//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);
//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 = OSG::Node::create();
scene->setCore(OSG::Group::create());
scene->addChild(ParticleNode);
scene->addChild(GroundTransformNode);
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,
"07AgeSizeParticleAffector");
//Enter main Loop
TutorialWindow->mainLoop();
osgExit();
return 0;
}
void keyPressed(KeyEventDetails* const details, SimpleSceneManager *mgr, ParticleSystem* const ExampleParticleSystem, SimpleParticleTrailGenerator* const ExampleTrailGenerator)
{
if(details->getKey() == KeyEventDetails::KEY_Q && details->getModifiers() & KeyEventDetails::KEY_MODIFIER_CONTROL)
{
dynamic_cast<WindowEventProducer*>(details->getSource())->closeWindow();
}
else
{
switch(details->getKey())
{
case KeyEventDetails::KEY_R:
{
}
break;
case KeyEventDetails::KEY_B:
{ // check if the burst generator is null
if(ExampleBurstGen == NULL)
{
ExampleBurstGen = BurstParticleGenerator::create();
ExampleBurstGen->setPositionDistribution(createPositionDistribution());
ExampleBurstGen->setBurstAmount(100);
ExampleBurstGen->setVelocityDistribution(createVelocityDistribution());
ExampleBurstGen->setNormalDistribution(createNormalDistribution());
ExampleBurstGen->setLifespanDistribution(createLifespanDistribution());
ExampleBurstGen->setSizeDistribution(createSizeDistribution());
}
// attach the burst generator
ExampleParticleSystem->pushToGenerators(ExampleBurstGen);
}
break;
case KeyEventDetails::KEY_P:
{ // increase trail resolution
ExamplePSTrailGenerator->setTrailResolution(ExamplePSTrailGenerator->getTrailResolution() * 0.70 + 0.0001);
std::cout << "Trail Resolution: " << ExamplePSTrailGenerator->getTrailResolution() << std::endl;
break;
}
case KeyEventDetails::KEY_L:
{ // decrease trail resolution
ExamplePSTrailGenerator->setTrailResolution(ExamplePSTrailGenerator->getTrailResolution() * 1.25);
std::cout << "Trail Resolution: " << ExamplePSTrailGenerator->getTrailResolution() << std::endl;
break;
}
case KeyEventDetails::KEY_O:
{ // increase trail length
ExamplePSTrailGenerator->setTrailLength(ExamplePSTrailGenerator->getTrailLength() * 1.25 + 0.1);
std::cout << "Trail Length: " << ExamplePSTrailGenerator->getTrailLength() << std::endl;
break;
}
case KeyEventDetails::KEY_K:
{ // decrease trail length
ExamplePSTrailGenerator->setTrailLength(ExamplePSTrailGenerator->getTrailLength() * 0.7);
std::cout << "Trail Length: " << ExamplePSTrailGenerator->getTrailLength() << std::endl;
break;
}
case KeyEventDetails::KEY_J:
{ // toggle trail length method
ExamplePSTrailGenerator->setTrailLengthMethod((ExamplePSTrailGenerator->getTrailLengthMethod() == ParticleTrailGenerator::NUM_POINTS)?
(ParticleTrailGenerator::TIME):(ParticleTrailGenerator::NUM_POINTS));
std::cout << "Trail Length: " << (ExamplePSTrailGenerator->getTrailLengthMethod() == ParticleTrailGenerator::NUM_POINTS ? "Num Pts":"Time") << std::endl;
break;
}
case KeyEventDetails::KEY_Y:
{ // toggle trail spacing method
ExamplePSTrailGenerator->setTrailResolutionMethod((ExamplePSTrailGenerator->getTrailResolutionMethod() == ParticleTrailGenerator::TIME_SPACING)?
(ParticleTrailGenerator::DISTANCE_SPACING):(ParticleTrailGenerator::TIME_SPACING));
std::cout << "Trail resolution: " <<(ExamplePSTrailGenerator->getTrailResolutionMethod() == ParticleTrailGenerator::TIME_SPACING ? "Time Spacing" : "Distance Spacing") << std::endl;
break;
}
case KeyEventDetails::KEY_V:
{
mgr->getRenderAction()->setVolumeDrawing(!mgr->getRenderAction()->getVolumeDrawing());
}
}
}
}
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
//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/Checker.jpg");
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(PSMaterialChunk);
PSSmokeMaterial->addChunk(QuadTextureEnvChunk);
//Particle System
//Rocket
RocketParticleSystem = OSG::ParticleSystem::create();
RocketParticleSystem->attachUpdateListener(TutorialWindow);
TutorialRocketParticleSystemListener TheRocketListener;
RocketParticleSystem->addParticleSystemListener(&TheRocketListener);
//smoke
SmokeParticleSystem = OSG::ParticleSystem::create();
SmokeParticleSystem->attachUpdateListener(TutorialWindow);
//Shrapnel
ShrapnelParticleSystem = OSG::ParticleSystem::create();
ShrapnelParticleSystem->attachUpdateListener(TutorialWindow);
//Fireball
FireballParticleSystem = OSG::ParticleSystem::create();
FireballParticleSystem->attachUpdateListener(TutorialWindow);
//Particle System Drawer
//Rocket does not have a drawer because it is being attached to a special node core
//Smoke
SmokeParticleSystemDrawer = OSG::QuadParticleSystemDrawer::create();
//SmokeParticleSystemDrawer->setQuadSizeScaling(Vec2f(0.5f,0.5f));
//Shrapnel
ExampleShrapnelParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();
ExampleShrapnelParticleSystemDrawer->setForcePerParticleSizing(true);
//Fireball
ExampleFireballParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();
ExampleFireballParticleSystemDrawer->setForcePerParticleSizing(true);
//Particle System Node
//collision node
//NodeRefPtr EnvironmentNode = makeSphere(2,4.0f);
Matrix EnvironmentTransformation;
EnvironmentTransformation.setScale(0.1f);
TransformRefPtr EnvironmentTransformCore = Transform::create();
EnvironmentTransformCore->setMatrix(EnvironmentTransformation);
NodeRefPtr EnvironmentNode = Node::create();
EnvironmentNode->setCore(EnvironmentTransformCore);
//EnvironmentNode->addChild(SceneFileHandler::the()->read("Data/Chloroplast.osb"));
EnvironmentNode->addChild(SceneFileHandler::the()->read("Data/house.obj"));
//NodeRefPtr ParticlePrototypeNode = makeTorus(1.0,4.0,16,16);
NodeRefPtr RocketParticlePrototypeNode = SceneFileHandler::the()->read("Data/rocket.obj");
if(RocketParticlePrototypeNode == NULL)
{
RocketParticlePrototypeNode = makeTorus(.5, 2, 16, 16);
}
NodeParticleSystemCoreRefPtr RocketParticleNodeCore = OSG::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);
TutorialParticleCollisionListener TheCollisionListener;
ExampleGeometryCollisionParticleSystemAffector->addParticleGeometryCollisionListener(&TheCollisionListener);
NodeRefPtr RocketParticleNode = OSG::Node::create();
RocketParticleNode->setCore(RocketParticleNodeCore);
//Attach the Affector to the Rocket Particle System
//RocketParticleSystem->pushToAffectors();
RocketParticleSystem->pushToSystemAffectors(ExampleGeometryCollisionParticleSystemAffector);
//Smoke
SmokeGenerator = OSG::RateParticleGenerator::create();
//Attach the function objects to the Generator
SmokePositionDistribution = createSmokePositionDistribution();
SmokeGenerator->setPositionDistribution(SmokePositionDistribution);
SmokeGenerator->setLifespanDistribution(createSmokeLifespanDistribution());
SmokeGenerator->setGenerationRate(50.0);
SmokeGenerator->setVelocityDistribution(createSmokeVelocityDistribution());
//Attach the function objects the Affectors
SmokeAgeFadeParticleAffector = OSG::AgeFadeParticleAffector::create();
SmokeAgeFadeParticleAffector->setFadeInTime(2.0f);
SmokeAgeFadeParticleAffector->setFadeOutTime(5.0f);
SmokeAgeFadeParticleAffector->setStartAlpha(0.0f);
SmokeAgeFadeParticleAffector->setFadeToAlpha(0.2f);
SmokeAgeFadeParticleAffector->setEndAlpha(0.0f);
SmokeAgeSizeParticleAffector = OSG::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 = OSG::ParticleSystemCore::create();
SmokeParticleNodeCore->setSystem(SmokeParticleSystem);
SmokeParticleNodeCore->setDrawer(SmokeParticleSystemDrawer);
SmokeParticleNodeCore->setMaterial(PSSmokeMaterial);
NodeRefPtr SmokeParticleNode = OSG::Node::create();
SmokeParticleNode->setCore(SmokeParticleNodeCore);
//end/////////////////////
//Shrapnel
ShrapnelBurstGenerator = OSG::BurstParticleGenerator::create();
NodeRefPtr ShrapnelParticlePrototypeNode = SceneFileHandler::the()->read("Data/Shrapnel.obj");
NodeParticleSystemCoreRefPtr ShrapnelParticleNodeCore = OSG::NodeParticleSystemCore::create();
ShrapnelParticleNodeCore->setSystem(ShrapnelParticleSystem);
ShrapnelParticleNodeCore->setPrototypeNode(ShrapnelParticlePrototypeNode);
//Attach the function objects to the Generator
ShrapnelPositionDistribution = createShrapnelPositionDistribution();
ShrapnelBurstGenerator->setPositionDistribution(ShrapnelPositionDistribution);
ShrapnelBurstGenerator->setLifespanDistribution(createLifespanDistribution());
ShrapnelBurstGenerator->setBurstAmount(50.0);
ShrapnelBurstGenerator->setVelocityDistribution(createShrapnelVelocityDistribution());
ShrapnelBurstGenerator->setAccelerationDistribution(createShrapnelAccelerationDistribution());
NodeRefPtr ShrapnelParticleNode = OSG::Node::create();
ShrapnelParticleNode->setCore(ShrapnelParticleNodeCore);
//end/////////////////////
//fireball
FireballGenerator = OSG::BurstParticleGenerator::create();
NodeRefPtr FireballParticlePrototypeNode = SceneFileHandler::the()->read("Data/bubble.obj");
NodeParticleSystemCoreRefPtr FireballParticleNodeCore = OSG::NodeParticleSystemCore::create();
FireballParticleNodeCore->setSystem(FireballParticleSystem);
FireballParticleNodeCore->setPrototypeNode(FireballParticlePrototypeNode);
//Attach the function objects to the Generator
FireballPositionDistribution = createFireballPositionDistribution();
FireballGenerator->setPositionDistribution(FireballPositionDistribution);
FireballGenerator->setLifespanDistribution(createFireballLifespanDistribution());
FireballGenerator->setBurstAmount(100.0);
FireballGenerator->setVelocityDistribution(createFireballVelocityDistribution());
FireballGenerator->setAccelerationDistribution(createFireballAccelerationDistribution());
//Attach the function objects the Affectors
FireballAgeSizeParticleAffector = OSG::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 = OSG::Node::create();
FireballParticleNode->setCore(FireballParticleNodeCore);
//end/////////////////////
// Make Main Scene Node
NodeRefPtr scene = OSG::Node::create();
scene->setCore(OSG::Group::create());
scene->addChild(RocketParticleNode);
scene->addChild(SmokeParticleNode);
scene->addChild(ShrapnelParticleNode);
scene->addChild(FireballParticleNode);
scene->addChild(EnvironmentNode);
mgr->setRoot(scene);
mgr->getNavigator()->set(Pnt3f(0.0,0.0,0.0), Pnt3f(0.0,0.0,-1.0), Vec3f(0.0,1.0,0.0));
mgr->getNavigator()->setMotionFactor(1.0f);
mgr->getCamera()->setNear(0.1f);
mgr->getCamera()->setFar(1000.0f);
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"10RocketLauncher");
//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(12.0f);
PSPointChunk->setSmooth(true);
BlendChunkRefPtr PSBlendChunk = BlendChunk::create();
PSBlendChunk->setSrcFactor(GL_SRC_ALPHA);
PSBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
MaterialChunkRefPtr PSMaterialChunkChunk = MaterialChunk::create();
PSMaterialChunkChunk->setAmbient(Color4f(0.3f,0.3f,0.3f,1.0f));
PSMaterialChunkChunk->setDiffuse(Color4f(0.7f,0.7f,0.7f,1.0f));
PSMaterialChunkChunk->setSpecular(Color4f(0.9f,0.9f,0.9f,1.0f));
PSMaterialChunkChunk->setColorMaterial(GL_AMBIENT_AND_DIFFUSE);
ChunkMaterialRefPtr PSMaterial = ChunkMaterial::create();
PSMaterial->addChunk(PSPointChunk);
PSMaterial->addChunk(PSMaterialChunkChunk);
PSMaterial->addChunk(PSBlendChunk);
//Particle System
ExampleParticleSystem = OSG::ParticleSystem::create();
ExampleParticleSystem->attachUpdateListener(TutorialWindow);
//Particle System Drawer
PointParticleSystemDrawerRefPtr ExampleParticleSystemDrawer = OSG::PointParticleSystemDrawer::create();
ExampleBurstGenerator = OSG::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());
//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,
"04BurstParticleGenerator");
//Enter main Loop
TutorialWindow->mainLoop();
osgExit();
return 0;
}
virtual void keyPressed(const KeyEventUnrecPtr e)
{
if(e->getKey() == KeyEvent::KEY_Q && e->getModifiers() & KeyEvent::KEY_MODIFIER_CONTROL)
{
TutorialWindow->closeWindow();
}
else
{
switch(e->getKey())
{
case KeyEvent::KEY_B:
{ // check if the burst generator is null
if(ExampleBurstGen == NULL)
{
ExampleBurstGen = OSG::BurstParticleGenerator::create();
ExampleBurstGen->setPositionDistribution(createPositionDistribution());
ExampleBurstGen->setBurstAmount(20);
ExampleBurstGen->setVelocityDistribution(createVelocityDistribution());
ExampleBurstGen->setNormalDistribution(createNormalDistribution());
ExampleBurstGen->setLifespanDistribution(createLifespanDistribution());
ExampleBurstGen->setSizeDistribution(createSizeDistribution());
}
// attach the burst generator
ExampleParticleSystem->pushToGenerators(ExampleBurstGen);
}
break;
case KeyEvent::KEY_P:
{ // increase trail resolution
ExampleTrailGenerator->setTrailResolution(ExampleTrailGenerator->getTrailResolution() * 0.70 + 0.0001);
std::cout << "Trail Resolution: " << ExampleTrailGenerator->getTrailResolution() << std::endl;
break;
}
case KeyEvent::KEY_L:
{ // decrease trail resolution
ExampleTrailGenerator->setTrailResolution(ExampleTrailGenerator->getTrailResolution() * 1.25);
std::cout << "Trail Resolution: " << ExampleTrailGenerator->getTrailResolution() << std::endl;
break;
}
case KeyEvent::KEY_O:
{ // increase trail length
ExampleTrailGenerator->setTrailLength(ExampleTrailGenerator->getTrailLength() * 1.25 + 0.1);
std::cout << "Trail Length: " << ExampleTrailGenerator->getTrailLength() << std::endl;
break;
}
case KeyEvent::KEY_K:
{ // decrease trail length
ExampleTrailGenerator->setTrailLength(ExampleTrailGenerator->getTrailLength() * 0.7);
std::cout << "Trail Length: " << ExampleTrailGenerator->getTrailLength() << std::endl;
break;
}
case KeyEvent::KEY_I:
{ // toggle lines/points as trail draw method
ExampleTrailGenerator->setDrawMethod((ExampleTrailGenerator->getDrawMethod() == SimpleParticleTrailGenerator::LINES)?
(SimpleParticleTrailGenerator::POINTS):(SimpleParticleTrailGenerator::LINES));
break;
}
case KeyEvent::KEY_J:
{ // toggle trail length method
ExampleTrailGenerator->setTrailLengthMethod((ExampleTrailGenerator->getTrailLengthMethod() == ParticleTrailGenerator::NUM_POINTS)?
(ParticleTrailGenerator::TIME):(ParticleTrailGenerator::NUM_POINTS));
std::cout << "Trail Length: " << (ExampleTrailGenerator->getTrailLengthMethod() == ParticleTrailGenerator::NUM_POINTS ? "Num Pts":"Time") << std::endl;
break;
}
case KeyEvent::KEY_Y:
{ // toggle trail spacing method
ExampleTrailGenerator->setTrailResolutionMethod((ExampleTrailGenerator->getTrailResolutionMethod() == ParticleTrailGenerator::TIME_SPACING)?
(ParticleTrailGenerator::DISTANCE_SPACING):(ParticleTrailGenerator::TIME_SPACING));
std::cout << "Trail resolution: " <<(ExampleTrailGenerator->getTrailResolutionMethod() == ParticleTrailGenerator::TIME_SPACING ? "Time Spacing" : "Distance Spacing") << std::endl;
break;
}
case KeyEvent::KEY_V:
{
mgr->getRenderAction()->setVolumeDrawing(!mgr->getRenderAction()->getVolumeDrawing());
}
}
}
}