ConnectedParticleSystem.h

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library 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
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSGPARTICLE_CONNECTEDPARTICLESYSTEM
#define OSGPARTICLE_CONNECTEDPARTICLESYSTEM 1

#include <osgParticle/ParticleSystem>

namespace osgParticle
{

    class OSGPARTICLE_EXPORT ConnectedParticleSystem: public osgParticle::ParticleSystem
    {
    public:

        ConnectedParticleSystem();
        ConnectedParticleSystem(const ConnectedParticleSystem& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);

        META_Object(osgParticle, ConnectedParticleSystem);

        virtual Particle* createParticle(const Particle* ptemplate);

        virtual void reuseParticle(int i);

        virtual void drawImplementation(osg::RenderInfo& renderInfo) const;

        const osgParticle::Particle* getStartParticle() const
        {
            return (_startParticle != Particle::INVALID_INDEX) ? &_particles[_startParticle] : 0;
        }

        osgParticle::Particle* getStartParticle()
        {
            return (_startParticle != Particle::INVALID_INDEX) ? &_particles[_startParticle] : 0;
        }

        void setMaxNumberOfParticlesToSkip(unsigned int maxNumberofParticlesToSkip){_maxNumberOfParticlesToSkip = maxNumberofParticlesToSkip;}

        unsigned int getMaxNumberOfParticlesToSkip(){ return _maxNumberOfParticlesToSkip;}

    protected:

        virtual ~ConnectedParticleSystem();

        ConnectedParticleSystem& operator=(const ConnectedParticleSystem&) { return *this; }

        int _lastParticleCreated;
        unsigned int _maxNumberOfParticlesToSkip;

        int _startParticle;

      };



}

#endif