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59 lines
1.9 KiB
59 lines
1.9 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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//osgParticle - Copyright (C) 2002 Marco Jez
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#ifndef OSGPARTICLE_COUNTER
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#define OSGPARTICLE_COUNTER 1
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#include <osg/CopyOp>
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#include <osg/Object>
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namespace osgParticle
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{
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class Counter: public osg::Object {
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public:
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inline Counter();
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inline Counter(const Counter& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
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virtual const char* libraryName() const { return "osgParticle"; }
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virtual const char* className() const { return "Counter"; }
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virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const Counter* >(obj) != 0; }
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/** get the number of particle of create for current frame.*/
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virtual int numParticlesToCreate(double dt) const = 0;
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/** get the esimated maximum number of particles that would be generated duration the lifetime of a particle before it expires.*/
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virtual int getEstimatedMaxNumOfParticles(double lifeTime) const = 0;
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protected:
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~Counter() {}
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Counter &operator=(const Counter &) { return *this; }
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};
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// INLINE FUNCTIONS
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inline Counter::Counter()
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: osg::Object()
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{
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}
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inline Counter::Counter(const Counter& copy, const osg::CopyOp& copyop)
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: osg::Object(copy, copyop)
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{
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}
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}
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#endif
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