// particles.cxx - classes to manage particles
// started in 2008 by Tiago Gusmão, using animation.hxx as reference
+// Copyright (C) 2008 Tiago Gusmão
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
#ifdef HAVE_CONFIG_H
# include <simgear_config.h>
#endif
+#include <simgear/math/SGMath.hxx>
+#include <simgear/math/SGGeod.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/props_io.hxx>
+#include <simgear/structure/OSGVersion.hxx>
#include <osgParticle/SmokeTrailEffect>
#include <osgParticle/FireEffect>
#include <osgParticle/SectorPlacer>
#include <osgParticle/ConstantRateCounter>
#include <osgParticle/ParticleSystemUpdater>
+#include <osgParticle/ParticleSystem>
#include <osgParticle/FluidProgram>
#include <osg/Geode>
+#include <osg/Group>
#include <osg/MatrixTransform>
+#include <osg/Node>
#include "particles.hxx"
+#if SG_OSG_VERSION >= 27004
+#define OSG_PARTICLE_FIX 1
+#endif
+
+namespace simgear
+{
+void GlobalParticleCallback::operator()(osg::Node* node, osg::NodeVisitor* nv)
+{
+ enabled = !enabledNode || enabledNode->getBoolValue();
+ if (!enabled)
+ return;
+ SGQuatd q
+ = SGQuatd::fromLonLatDeg(modelRoot->getFloatValue("/position/longitude-deg",0),
+ modelRoot->getFloatValue("/position/latitude-deg",0));
+ osg::Matrix om(q.osg());
+ osg::Vec3 v(0,0,9.81);
+ gravity = om.preMult(v);
+ const osg::Vec3& zUpWind = Particles::getWindVector();
+ osg::Vec3 w(zUpWind.y(), zUpWind.x(), - zUpWind.z());
+ wind = om.preMult(w);
+
+ //SG_LOG(SG_GENERAL, SG_ALERT, "wind vector:"<<w[0]<<","<<w[1]<<","<<w[2]<<"\n");
+}
+
+
//static members
-osg::Vec3 SGGlobalParticleCallback::gravity;
-osg::Vec3 SGGlobalParticleCallback::wind;
+osg::Vec3 GlobalParticleCallback::gravity;
+osg::Vec3 GlobalParticleCallback::wind;
+bool GlobalParticleCallback::enabled = true;
+SGConstPropertyNode_ptr GlobalParticleCallback::enabledNode = 0;
+
+osg::ref_ptr<osg::Group> Particles::commonRoot;
+osg::ref_ptr<osgParticle::ParticleSystemUpdater> Particles::psu = new osgParticle::ParticleSystemUpdater;
+osg::ref_ptr<osg::Geode> Particles::commonGeode = new osg::Geode;;
+osg::Vec3 Particles::_wind;
+
+Particles::Particles() :
+ useGravity(false),
+ useWind(false)
+{
+}
-osg::ref_ptr<osg::Group> SGParticles::commonRoot;
-osg::ref_ptr<osgParticle::ParticleSystemUpdater> SGParticles::psu = new osgParticle::ParticleSystemUpdater;
-osg::ref_ptr<osg::Geode> SGParticles::commonGeode = new osg::Geode;;
+template <typename Object>
+class PointerGuard{
+public:
+ PointerGuard() : _ptr(0) {}
+ Object* get() { return _ptr; }
+ Object* operator () ()
+ {
+ if (!_ptr)
+ _ptr = new Object;
+ return _ptr;
+ }
+private:
+ Object* _ptr;
+};
+
+osg::Group* Particles::getCommonRoot()
+{
+ if(!commonRoot.valid())
+ {
+ SG_LOG(SG_GENERAL, SG_DEBUG, "Particle common root called!\n");
+ commonRoot = new osg::Group;
+ commonRoot.get()->setName("common particle system root");
+ commonGeode.get()->setName("common particle system geode");
+ commonRoot.get()->addChild(commonGeode.get());
+ commonRoot.get()->addChild(psu.get());
+ }
+ return commonRoot.get();
+}
+
+void transformParticles(osgParticle::ParticleSystem* particleSys,
+ const osg::Matrix& mat)
+{
+ const int numParticles = particleSys->numParticles();
+ if (particleSys->areAllParticlesDead())
+ return;
+ for (int i = 0; i < numParticles; ++i) {
+ osgParticle::Particle* P = particleSys->getParticle(i);
+ if (!P->isAlive())
+ continue;
+ P->transformPositionVelocity(mat);
+ }
+}
-osg::Group * SGParticles::appendParticles(const SGPropertyNode* configNode, SGPropertyNode* modelRoot, const osgDB::ReaderWriter::Options* options)
+osg::Group * Particles::appendParticles(const SGPropertyNode* configNode,
+ SGPropertyNode* modelRoot,
+ const osgDB::ReaderWriter::Options*
+ options)
{
SG_LOG(SG_GENERAL, SG_DEBUG, "Setting up a particle system!\n");
//create a generic particle system
std::string type = configNode->getStringValue("type", "normal");
- if (type == "normal")particleSys= new osgParticle::ParticleSystem;
- else particleSys= new osgParticle::ConnectedParticleSystem;
- SGParticles *callback=NULL; //may not be used depending on the configuration
+ if (type == "normal")
+ particleSys = new osgParticle::ParticleSystem;
+ else
+ particleSys = new osgParticle::ConnectedParticleSystem;
+ //may not be used depending on the configuration
+ PointerGuard<Particles> callback;
getPSU()->addParticleSystem(particleSys);
-
- getPSU()->setUpdateCallback(new SGGlobalParticleCallback(modelRoot));
-
+ getPSU()->setUpdateCallback(new GlobalParticleCallback(modelRoot));
//contains counter, placer and shooter by default
- osgParticle::ModularEmitter *emitter = new osgParticle::ModularEmitter;
+ osgParticle::ModularEmitter* emitter = new osgParticle::ModularEmitter;
emitter->setParticleSystem(particleSys);
// Set up the alignment node ("stolen" from animation.cxx)
+ // XXX Order of rotations is probably not correct.
osg::MatrixTransform *align = new osg::MatrixTransform;
osg::Matrix res_matrix;
res_matrix.makeRotate(
osg::Matrix tmat;
tmat.makeTranslate(configNode->getFloatValue("offsets/x-m", 0.0),
- configNode->getFloatValue("offsets/y-m", 0.0),
- configNode->getFloatValue("offsets/z-m", 0.0));
- align->setMatrix(res_matrix*tmat);
+ configNode->getFloatValue("offsets/y-m", 0.0),
+ configNode->getFloatValue("offsets/z-m", 0.0));
+ align->setMatrix(res_matrix * tmat);
align->setName("particle align");
- //if(dynamic_cast<CustomModularEmitter*>(emitter)==0) SG_LOG(SG_GENERAL, SG_ALERT, "observer error\n");
+ //if (dynamic_cast<CustomModularEmitter*>(emitter)==0) SG_LOG(SG_GENERAL, SG_ALERT, "observer error\n");
//align->addObserver(dynamic_cast<CustomModularEmitter*>(emitter));
align->addChild(emitter);
//this name can be used in the XML animation as if it was a submodel
std::string name = configNode->getStringValue("name", "");
- if(!name.empty()) align->setName(name);
-
+ if (!name.empty())
+ align->setName(name);
std::string attach = configNode->getStringValue("attach", "world");
-
if (attach == "local") { //local means attached to the model and not the world
- osg::Geode *g = new osg::Geode;
+ osg::Geode* g = new osg::Geode;
align->addChild(g);
g->addDrawable(particleSys);
+#ifndef OSG_PARTICLE_FIX
emitter->setReferenceFrame(osgParticle::Emitter::ABSOLUTE_RF);
- } else
+#endif
+ } else {
+#ifdef OSG_PARTICLE_FIX
+ callback()->particleFrame = new osg::MatrixTransform();
+ osg::Geode* g = new osg::Geode;
+ g->addDrawable(particleSys);
+ callback()->particleFrame->addChild(g);
+ getCommonRoot()->addChild(callback()->particleFrame.get());
+#else
getCommonGeode()->addDrawable(particleSys);
-
+#endif
+ }
std::string textureFile;
-
- if(configNode->hasValue("texture")) {
- SG_LOG(SG_GENERAL, SG_ALERT, "requested:"<<configNode->getStringValue("texture","")<<"\n");
- textureFile= osgDB::findFileInPath(configNode->getStringValue("texture",""),
- options->getDatabasePathList());
- SG_LOG(SG_GENERAL, SG_ALERT, "found:"<<textureFile<<"\n");
-
- for(int i=0;i<options->getDatabasePathList().size();++i)
- SG_LOG(SG_GENERAL, SG_ALERT, "opts:"<<options->getDatabasePathList()[i]<<"\n");
-
+ if (configNode->hasValue("texture")) {
+ //SG_LOG(SG_GENERAL, SG_ALERT,
+ // "requested:"<<configNode->getStringValue("texture","")<<"\n");
+ textureFile= osgDB::findFileInPath(configNode->getStringValue("texture",
+ ""),
+ options->getDatabasePathList());
+ //SG_LOG(SG_GENERAL, SG_ALERT, "found:"<<textureFile<<"\n");
+
+ //for(unsigned i = 0; i < options->getDatabasePathList().size(); ++i)
+ // SG_LOG(SG_GENERAL, SG_ALERT,
+ // "opts:"<<options->getDatabasePathList()[i]<<"\n");
}
- if(textureFile.empty())
- textureFile="";
-
- particleSys->setDefaultAttributes(textureFile,configNode->getBoolValue("emissive", true),
- configNode->getBoolValue("lighting", false));
+ particleSys->setDefaultAttributes(textureFile,
+ configNode->getBoolValue("emissive",
+ true),
+ configNode->getBoolValue("lighting",
+ false));
- std::string alignstr = configNode->getStringValue("align","billboard");
+ std::string alignstr = configNode->getStringValue("align", "billboard");
- if(alignstr == "fixed")
+ if (alignstr == "fixed")
particleSys->setParticleAlignment(osgParticle::ParticleSystem::FIXED);
const SGPropertyNode* placernode = configNode->getChild("placer");
- if(placernode) {
+ if (placernode) {
std::string emitterType = placernode->getStringValue("type", "point");
if (emitterType == "sector") {
minRadius = placernode->getFloatValue("radius-min-m",0);
maxRadius = placernode->getFloatValue("radius-max-m",1);
- minPhi = placernode->getFloatValue("phi-min-deg",0) * SG_DEGREES_TO_RADIANS;
- maxPhi = placernode->getFloatValue("phi-max-deg",360.0f) * SG_DEGREES_TO_RADIANS;
+ minPhi = (placernode->getFloatValue("phi-min-deg",0)
+ * SG_DEGREES_TO_RADIANS);
+ maxPhi = (placernode->getFloatValue("phi-max-deg",360.0f)
+ * SG_DEGREES_TO_RADIANS);
splacer->setRadiusRange(minRadius, maxRadius);
splacer->setPhiRange(minPhi, maxPhi);
emitter->setPlacer(splacer);
} else if (emitterType == "segments") {
- std::vector<SGPropertyNode_ptr> segments = placernode->getChildren("vertex");
-
- if(segments.size()>1) {
- osgParticle::MultiSegmentPlacer *msplacer = new osgParticle::MultiSegmentPlacer();
+ std::vector<SGPropertyNode_ptr> segments
+ = placernode->getChildren("vertex");
+ if (segments.size()>1) {
+ osgParticle::MultiSegmentPlacer *msplacer
+ = new osgParticle::MultiSegmentPlacer();
float x,y,z;
for (unsigned i = 0; i < segments.size(); ++i) {
z = segments[i]->getFloatValue("z-m",0);
msplacer->addVertex(x, y, z);
}
-
emitter->setPlacer(msplacer);
+ } else {
+ SG_LOG(SG_GENERAL, SG_ALERT,
+ "Detected particle system using segment(s) with less than 2 vertices\n");
}
- else SG_LOG(SG_GENERAL, SG_ALERT, "Detected particle system using segment(s) with less than 2 vertices\n");
} //else the default placer in ModularEmitter is used (PointPlacer)
}
const SGPropertyNode* shnode = configNode->getChild("shooter");
- if(shnode) {
+ if (shnode) {
float minTheta, maxTheta, minPhi, maxPhi, speed, spread;
- minTheta = shnode->getFloatValue("theta-min-deg",0) * SG_DEGREES_TO_RADIANS;
- maxTheta = shnode->getFloatValue("theta-max-deg",360.0f) * SG_DEGREES_TO_RADIANS;
+ minTheta = (shnode->getFloatValue("theta-min-deg",0)
+ * SG_DEGREES_TO_RADIANS);
+ maxTheta = (shnode->getFloatValue("theta-max-deg",360.0f)
+ * SG_DEGREES_TO_RADIANS);
minPhi = shnode->getFloatValue("phi-min-deg",0)* SG_DEGREES_TO_RADIANS;
- maxPhi = shnode->getFloatValue("phi-max-deg",360.0f)* SG_DEGREES_TO_RADIANS;
+ maxPhi = (shnode->getFloatValue("phi-max-deg",360.0f)
+ * SG_DEGREES_TO_RADIANS);
osgParticle::RadialShooter *shooter = new osgParticle::RadialShooter;
emitter->setShooter(shooter);
shooter->setThetaRange(minTheta, maxTheta);
shooter->setPhiRange(minPhi, maxPhi);
- const SGPropertyNode* speednode = shnode->getChild("speed");
+ const SGPropertyNode* speednode = shnode->getChild("speed-mps");
- if(speednode) {
- if(speednode->hasValue("value")) {
+ if (speednode) {
+ if (speednode->hasValue("value")) {
speed = speednode->getFloatValue("value",0);
spread = speednode->getFloatValue("spread",0);
shooter->setInitialSpeedRange(speed-spread, speed+spread);
} else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupShooterSpeedData(speednode, modelRoot);
+ callback()->setupShooterSpeedData(speednode, modelRoot);
}
}
- const SGPropertyNode* rotspeednode = shnode->getChild("rotspeed");
+ const SGPropertyNode* rotspeednode = shnode->getChild("rotation-speed");
- if(rotspeednode) {
+ if (rotspeednode) {
float x1,y1,z1,x2,y2,z2;
x1 = rotspeednode->getFloatValue("x-min-deg-sec",0) * SG_DEGREES_TO_RADIANS;
y1 = rotspeednode->getFloatValue("y-min-deg-sec",0) * SG_DEGREES_TO_RADIANS;
}
} //else ModularEmitter uses the default RadialShooter
+
+ const SGPropertyNode* conditionNode = configNode->getChild("condition");
const SGPropertyNode* counternode = configNode->getChild("counter");
- if(counternode) {
- osgParticle::RandomRateCounter *counter = new osgParticle::RandomRateCounter;
+ if (conditionNode || counternode) {
+ osgParticle::RandomRateCounter* counter
+ = new osgParticle::RandomRateCounter;
emitter->setCounter(counter);
- float pps, spread;
- const SGPropertyNode* ppsnode = counternode->getChild("pps");
-
- if(ppsnode) {
-
- if(ppsnode->hasValue("value")) {
- pps = ppsnode->getFloatValue("value",0);
- spread = ppsnode->getFloatValue("spread",0);
- counter->setRateRange(pps-spread, pps+spread);
- } else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupCounterData(ppsnode, modelRoot);
+ float pps = 0.0f, spread = 0.0f;
+
+ if (counternode) {
+ const SGPropertyNode* ppsnode = counternode->getChild("particles-per-sec");
+ if (ppsnode) {
+ if (ppsnode->hasValue("value")) {
+ pps = ppsnode->getFloatValue("value",0);
+ spread = ppsnode->getFloatValue("spread",0);
+ counter->setRateRange(pps-spread, pps+spread);
+ } else {
+ callback()->setupCounterData(ppsnode, modelRoot);
+ }
}
}
- const SGPropertyNode* conditionNode = counternode->getChild("condition");
-
- if(conditionNode) {
- if(!callback)
- callback = new SGParticles();
- callback->setupCounterCondition(conditionNode, modelRoot);
- callback->setupCounterCondition(pps, spread);
+ if (conditionNode) {
+ callback()->setupCounterCondition(conditionNode, modelRoot);
+ callback()->setupCounterCondition(pps, spread);
}
} //TODO: else perhaps set higher values than default?
const SGPropertyNode* particlenode = configNode->getChild("particle");
-
- if(particlenode) {
- osgParticle::Particle &particle = particleSys->getDefaultParticleTemplate();
+ if (particlenode) {
+ osgParticle::Particle &particle
+ = particleSys->getDefaultParticleTemplate();
float r1=0, g1=0, b1=0, a1=1, r2=0, g2=0, b2=0, a2=1;
-
- const SGPropertyNode* startcolornode = particlenode->getChild("startcolor");
-
- if(startcolornode) {
- const SGPropertyNode* componentnode = startcolornode->getChild("red");
-
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
+ const SGPropertyNode* startcolornode
+ = particlenode->getNode("start/color");
+ if (startcolornode) {
+ const SGPropertyNode* componentnode
+ = startcolornode->getChild("red");
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
r1 = componentnode->getFloatValue("value",0);
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 0, 0);
- }
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 0, 0);
}
-
componentnode = startcolornode->getChild("green");
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
- g1 = componentnode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 0, 1);
- }
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
+ g1 = componentnode->getFloatValue("value", 0);
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 0, 1);
}
-
componentnode = startcolornode->getChild("blue");
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
b1 = componentnode->getFloatValue("value",0);
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 0, 2);
- }
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 0, 2);
}
-
componentnode = startcolornode->getChild("alpha");
-
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
a1 = componentnode->getFloatValue("value",0);
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 0, 3);
- }
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 0, 3);
}
}
-
- const SGPropertyNode* endcolornode = particlenode->getChild("endcolor");
- if(endcolornode) {
+ const SGPropertyNode* endcolornode = particlenode->getNode("end/color");
+ if (endcolornode) {
const SGPropertyNode* componentnode = endcolornode->getChild("red");
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
r2 = componentnode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 1, 0);
- }
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 1, 0);
}
-
componentnode = endcolornode->getChild("green");
-
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
g2 = componentnode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 1, 1);
- }
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 1, 1);
}
-
componentnode = endcolornode->getChild("blue");
-
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
b2 = componentnode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 1, 2);
- }
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 1, 2);
}
-
componentnode = endcolornode->getChild("alpha");
- if(componentnode) {
-
- if(componentnode->hasValue("value"))
+ if (componentnode) {
+ if (componentnode->hasValue("value"))
a2 = componentnode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupColorComponent(componentnode, modelRoot, 1, 3);
- }
+ else
+ callback()->setupColorComponent(componentnode, modelRoot,
+ 1, 3);
}
}
-
- particle.setColorRange(osgParticle::rangev4( osg::Vec4(r1,g1,b1,a1), osg::Vec4(r2,g2,b2,a2)));
+ particle.setColorRange(osgParticle::rangev4(osg::Vec4(r1,g1,b1,a1),
+ osg::Vec4(r2,g2,b2,a2)));
float startsize=1, endsize=0.1f;
- const SGPropertyNode* startsizenode = particlenode->getChild("startsize");
-
- if(startsizenode) {
-
- if(startsizenode->hasValue("value"))
+ const SGPropertyNode* startsizenode = particlenode->getNode("start/size");
+ if (startsizenode) {
+ if (startsizenode->hasValue("value"))
startsize = startsizenode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupStartSizeData(startsizenode, modelRoot);
- }
+ else
+ callback()->setupStartSizeData(startsizenode, modelRoot);
}
-
- const SGPropertyNode* endsizenode = particlenode->getChild("endsize");
- if(endsizenode) {
-
- if(endsizenode->hasValue("value"))
+ const SGPropertyNode* endsizenode = particlenode->getNode("end/size");
+ if (endsizenode) {
+ if (endsizenode->hasValue("value"))
endsize = endsizenode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupEndSizeData(endsizenode, modelRoot);
- }
+ else
+ callback()->setupEndSizeData(endsizenode, modelRoot);
}
-
particle.setSizeRange(osgParticle::rangef(startsize, endsize));
-
float life=5;
const SGPropertyNode* lifenode = particlenode->getChild("life-sec");
-
- if(lifenode) {
-
- if(lifenode->hasValue("value"))
+ if (lifenode) {
+ if (lifenode->hasValue("value"))
life = lifenode->getFloatValue("value",0);
-
- else {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupLifeData(lifenode, modelRoot);
- }
+ else
+ callback()->setupLifeData(lifenode, modelRoot);
}
particle.setLifeTime(life);
-
- if(particlenode->hasValue("radius-m"))
+ if (particlenode->hasValue("radius-m"))
particle.setRadius(particlenode->getFloatValue("radius-m",0));
-
- if(particlenode->hasValue("mass-kg"))
+ if (particlenode->hasValue("mass-kg"))
particle.setMass(particlenode->getFloatValue("mass-kg",0));
-
- if(callback) {
- callback->setupStaticColorComponent(r1, g1, b1, a1, r2, g2, b2, a2);
- callback->setupStaticSizeData(startsize, endsize);
+ if (callback.get()) {
+ callback.get()->setupStaticColorComponent(r1, g1, b1, a1,
+ r2, g2, b2, a2);
+ callback.get()->setupStaticSizeData(startsize, endsize);
}
//particle.setColorRange(osgParticle::rangev4( osg::Vec4(r1, g1, b1, a1), osg::Vec4(r2, g2, b2, a2)));
}
const SGPropertyNode* programnode = configNode->getChild("program");
osgParticle::FluidProgram *program = new osgParticle::FluidProgram();
- if(programnode) {
- std::string fluid = programnode->getStringValue("fluid","air");
+ if (programnode) {
+ std::string fluid = programnode->getStringValue("fluid", "air");
- if(fluid=="air")
+ if (fluid=="air")
program->setFluidToAir();
-
else
program->setFluidToWater();
- std::string grav = programnode->getStringValue("gravity","enabled");
-
- if(grav=="enabled") {
-
- if(attach == "world") {
-
- if(!callback)
- callback = new SGParticles();
-
- callback->setupProgramGravity(true);
- } else
+ if (programnode->getBoolValue("gravity", true)) {
+#ifdef OSG_PARTICLE_FIX
+ program->setToGravity();
+#else
+ if (attach == "world")
+ callback()->setupProgramGravity(true);
+ else
program->setToGravity();
-
+#endif
} else
program->setAcceleration(osg::Vec3(0,0,0));
- std::string wind = programnode->getStringValue("wind","enabled");
- if(wind=="enabled") {
- if(!callback)
- callback = new SGParticles();
- callback->setupProgramWind(true);
- } else
+ if (programnode->getBoolValue("wind", true))
+ callback()->setupProgramWind(true);
+ else
program->setWind(osg::Vec3(0,0,0));
align->addChild(program);
program->setParticleSystem(particleSys);
}
- else { }
- if(callback) { //this means we want property-driven changes
+ if (callback.get()) { //this means we want property-driven changes
SG_LOG(SG_GENERAL, SG_DEBUG, "setting up particle system user data and callback\n");
//setup data and callback
- callback->setGeneralData(dynamic_cast<osgParticle::RadialShooter*>(emitter->getShooter()), dynamic_cast<osgParticle::RandomRateCounter*>(emitter->getCounter()), particleSys, program);
- emitter->setUpdateCallback(callback);
+ callback.get()->setGeneralData(dynamic_cast<osgParticle::RadialShooter*>(emitter->getShooter()),
+ dynamic_cast<osgParticle::RandomRateCounter*>(emitter->getCounter()),
+ particleSys, program);
+ emitter->setUpdateCallback(callback.get());
}
return align;
}
+
+void Particles::operator()(osg::Node* node, osg::NodeVisitor* nv)
+{
+ //SG_LOG(SG_GENERAL, SG_ALERT, "callback!\n");
+ using namespace osg;
+ if (shooterValue)
+ shooter->setInitialSpeedRange(shooterValue->getValue(),
+ (shooterValue->getValue()
+ + shooterExtraRange));
+ if (counterValue)
+ counter->setRateRange(counterValue->getValue(),
+ counterValue->getValue() + counterExtraRange);
+ else if (counterCond)
+ counter->setRateRange(counterStaticValue,
+ counterStaticValue + counterStaticExtraRange);
+ if (!GlobalParticleCallback::getEnabled() || (counterCond && !counterCond->test()))
+ counter->setRateRange(0, 0);
+ bool colorchange=false;
+ for (int i = 0; i < 8; ++i) {
+ if (colorComponents[i]) {
+ staticColorComponents[i] = colorComponents[i]->getValue();
+ colorchange=true;
+ }
+ }
+ if (colorchange)
+ particleSys->getDefaultParticleTemplate().setColorRange(osgParticle::rangev4( Vec4(staticColorComponents[0], staticColorComponents[1], staticColorComponents[2], staticColorComponents[3]), Vec4(staticColorComponents[4], staticColorComponents[5], staticColorComponents[6], staticColorComponents[7])));
+ if (startSizeValue)
+ startSize = startSizeValue->getValue();
+ if (endSizeValue)
+ endSize = endSizeValue->getValue();
+ if (startSizeValue || endSizeValue)
+ particleSys->getDefaultParticleTemplate().setSizeRange(osgParticle::rangef(startSize, endSize));
+ if (lifeValue)
+ particleSys->getDefaultParticleTemplate().setLifeTime(lifeValue->getValue());
+#ifdef OSG_PARTICLE_FIX
+ if (particleFrame.valid()) {
+ MatrixList mlist = node->getWorldMatrices();
+ if (!mlist.empty()) {
+ const Matrix& particleMat = particleFrame->getMatrix();
+ Vec3d emitOrigin(mlist[0](3, 0), mlist[0](3, 1), mlist[0](3, 2));
+ Vec3d displace
+ = emitOrigin - Vec3d(particleMat(3, 0), particleMat(3, 1),
+ particleMat(3, 2));
+ if (displace * displace > 10000.0 * 10000.0) {
+ // Make new frame for particle system, coincident with
+ // the emitter frame, but oriented with local Z.
+ SGGeod geod = SGGeod::fromCart(SGVec3d(emitOrigin));
+ Matrix newParticleMat = geod.makeZUpFrame();
+ Matrix changeParticleFrame
+ = particleMat * Matrix::inverse(newParticleMat);
+ particleFrame->setMatrix(newParticleMat);
+ transformParticles(particleSys.get(), changeParticleFrame);
+ }
+ }
+ }
+ if (program.valid() && useWind)
+ program->setWind(_wind);
+#else
+ if (program.valid()) {
+ if (useGravity)
+ program->setAcceleration(GlobalParticleCallback::getGravityVector());
+ if (useWind)
+ program->setWind(GlobalParticleCallback::getWindVector());
+ }
+#endif
+}
+} // namespace simgear
projects / simgear.git / blobdiff