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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.
*/
//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; }
/** get the number of particle of create for current frame.*/
virtual int numParticlesToCreate(double dt) const = 0;
/** get the esimated maximum number of particles that would be generated duration the lifetime of a particle before it expires.*/
virtual int getEstimatedMaxNumOfParticles(double lifeTime) 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
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