VariableRateCounter
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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_VARIABLERATE_COUNTER
#define OSGPARTICLE_VARIABLERATE_COUNTER 1
#include <osgParticle/Counter>
#include <osgParticle/range>
#include <osg/CopyOp>
#include <osg/Object>
namespace osgParticle
{
class VariableRateCounter: public Counter {
public:
inline VariableRateCounter();
inline VariableRateCounter(const VariableRateCounter& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
virtual const char* libraryName() const { return "osgParticle"; }
virtual const char* className() const { return "VariableRateCounter"; }
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const VariableRateCounter *>(obj) != 0; }
inline const rangef& getRateRange() const;
inline void setRateRange(const rangef& r);
inline void setRateRange(float minrange, float maxrange);
virtual int getEstimatedMaxNumOfParticles(double lifeTime) const { return static_cast<int>(_rate_range.maximum * lifeTime); }
protected:
virtual ~VariableRateCounter() {}
private:
rangef _rate_range;
};
// INLINE FUNCTIONS
inline VariableRateCounter::VariableRateCounter()
: Counter(), _rate_range(1, 1)
{
}
inline VariableRateCounter::VariableRateCounter(const VariableRateCounter& copy, const osg::CopyOp& copyop)
: Counter(copy, copyop), _rate_range(copy._rate_range)
{
}
inline const rangef &VariableRateCounter::getRateRange() const
{
return _rate_range;
}
inline void VariableRateCounter::setRateRange(const rangef& r)
{
_rate_range = r;
}
inline void VariableRateCounter::setRateRange(float minrange, float maxrange)
{
_rate_range.set(minrange, maxrange);
}
}
#endif
CopyOp
Counter
Object
osgParticle::Counter::Counter
Counter()
Definition Counter:46
osgParticle::VariableRateCounter::className
virtual const char * className() const
Definition VariableRateCounter:33
osgParticle::VariableRateCounter::VariableRateCounter
VariableRateCounter()
Definition VariableRateCounter:51
osgParticle::VariableRateCounter::setRateRange
void setRateRange(const rangef &r)
Definition VariableRateCounter:66
osgParticle::VariableRateCounter::getRateRange
const rangef & getRateRange() const
Definition VariableRateCounter:61
osgParticle::VariableRateCounter::~VariableRateCounter
virtual ~VariableRateCounter()
Definition VariableRateCounter:43
osgParticle::VariableRateCounter::isSameKindAs
virtual bool isSameKindAs(const osg::Object *obj) const
Definition VariableRateCounter:34
osgParticle::VariableRateCounter::libraryName
virtual const char * libraryName() const
Definition VariableRateCounter:32
osgParticle::VariableRateCounter::getEstimatedMaxNumOfParticles
virtual int getEstimatedMaxNumOfParticles(double lifeTime) const
Definition VariableRateCounter:40
osg::CopyOp
Definition CopyOp:41
osg::CopyOp::SHALLOW_COPY
@ SHALLOW_COPY
Definition CopyOp:47
osg::Object
Definition Object:61
osgParticle
Definition AccelOperator:27
osgParticle::rangef
range< float > rangef
Range of floats.
Definition range:76
range
osgParticle::range::set
void set(const ValueType &mn, const ValueType &mx)
Set min and max.
Definition range:54