GaussianParticleSystem.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/
 


#include <osg/Group>
#include <osg/Referenced>

namespace osg {
   class PositionAttitudeTransform;
}

namespace osgParticle {
   class Particle;
   class ParticleSystem;
   class ParticleSystemUpdater;
   class ModularEmitter;
   class Program;
   class RandomRateCounter;
   class PointPlacer;
   class RadialShooter;
}

class GaussianParticles : public osg::Group
{
public:
   GaussianParticles( double theta, double phi, double sigma=1.0,
      double life=4.0, double height=1.0 );

   virtual ~GaussianParticles();

   osg::PositionAttitudeTransform* positionAttitudeTransform() const
   {
      return myPat.get();
   }

   osgParticle::Particle* particle() const
   {
      return myParticle;
   }

   osgParticle::ParticleSystem* particleSystem() const
   {
      return myParticleSystem.get();
   }

   osgParticle::ParticleSystemUpdater* particleSystemUpdater() const
   {
      return myParticleSystemUpdater.get();
   }

   osgParticle::ModularEmitter* modularEmitter() const
   {
      return myModularEmitter.get();
   }

   osgParticle::RandomRateCounter* randomRateCounter() const
   {
      return myRandomRateCounter.get();
   }

   osgParticle::PointPlacer* pointPlacer() const
   {
      return myPointPlacer.get();
   }

   osgParticle::RadialShooter* radialShooter() const
   {
      return myRadialShooter.get();
   }

   osgParticle::Program* program() const
   {
      return myProgram.get();
   }

private:
   osg::ref_ptr<osg::PositionAttitudeTransform> myPat;
   osgParticle::Particle* myParticle;  // not an osg::Object - no ref counting.
   osg::ref_ptr<osgParticle::ParticleSystem> myParticleSystem;
   osg::ref_ptr<osgParticle::ParticleSystemUpdater> myParticleSystemUpdater;
   osg::ref_ptr<osgParticle::ModularEmitter> myModularEmitter;
   osg::ref_ptr<osgParticle::Program> myProgram;
   osg::ref_ptr<osgParticle::RandomRateCounter> myRandomRateCounter;
   osg::ref_ptr<osgParticle::PointPlacer> myPointPlacer;
   osg::ref_ptr<osgParticle::RadialShooter> myRadialShooter;
};