//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
//osgParticle - Copyright (C) 2002 Marco Jez

#ifndef OSGPARTICLE_COUNTER_
#define OSGPARTICLE_COUNTER_ 1

#include <osg/CopyOp>
#include <osg/Object>

namespace osgParticle
{

    class Counter: public osg::Object {
    public:
        inline Counter();
        inline Counter(const Counter &copy, const osg::CopyOp &copyop = osg::CopyOp::SHALLOW_COPY);

        virtual const char *libraryName() const { return "osgParticle"; }
        virtual const char *className() const { return "Counter"; }
        virtual bool isSameKindAs(const osg::Object *obj) const { return dynamic_cast<const Counter *>(obj) != 0; }

        virtual int numParticlesToCreate(double dt) const = 0;

    protected:
        ~Counter() {}
        Counter &operator=(const Counter &) { return *this; }
    };
    
    // INLINE FUNCTIONS
    
    inline Counter::Counter()
    : osg::Object()
    {
    }
    
    inline Counter::Counter(const Counter &copy, const osg::CopyOp &copyop)
    : osg::Object(copy, copyop)
    {
    }

}

#endif