AngularAccelOperator
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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_ANGULARACCELOPERATOR
#define OSGPARTICLE_ANGULARACCELOPERATOR 1
#include <osgParticle/ModularProgram>
#include <osgParticle/Operator>
#include <osgParticle/Particle>
#include <osg/CopyOp>
#include <osg/Object>
#include <osg/Vec3>
namespace osgParticle
{
class AngularAccelOperator: public Operator {
public:
inline AngularAccelOperator();
inline AngularAccelOperator(const AngularAccelOperator& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
META_Object(osgParticle, AngularAccelOperator);
inline const osg::Vec3& getAngularAcceleration() const;
inline void setAngularAcceleration(const osg::Vec3& v);
inline void operate(Particle* P, double dt);
inline void beginOperate(Program *prg);
protected:
virtual ~AngularAccelOperator() {}
AngularAccelOperator& operator=(const AngularAccelOperator& ) { return *this; }
private:
osg::Vec3 _angul_araccel;
osg::Vec3 _xf_angul_araccel;
};
// INLINE FUNCTIONS
inline AngularAccelOperator::AngularAccelOperator()
: Operator(), _angul_araccel(0, 0, 0)
{
}
inline AngularAccelOperator::AngularAccelOperator(const AngularAccelOperator& copy, const osg::CopyOp& copyop)
: Operator(copy, copyop), _angul_araccel(copy._angul_araccel)
{
}
inline const osg::Vec3& AngularAccelOperator::getAngularAcceleration() const
{
return _angul_araccel;
}
inline void AngularAccelOperator::setAngularAcceleration(const osg::Vec3& v)
{
_angul_araccel = v;
}
inline void AngularAccelOperator::operate(Particle* P, double dt)
{
P->addAngularVelocity(_xf_angul_araccel * dt);
}
inline void AngularAccelOperator::beginOperate(Program *prg)
{
if (prg->getReferenceFrame() == ModularProgram::RELATIVE_RF) {
_xf_angul_araccel = prg->rotateLocalToWorld(_angul_araccel);
} else {
_xf_angul_araccel = _angul_araccel;
}
}
}
#endif
CopyOp
ModularProgram
Object
Operator
Particle
Vec3
osgParticle::AngularAccelOperator::operate
void operate(Particle *P, double dt)
Apply the angular acceleration to a particle. Do not call this method manually.
Definition AngularAccelOperator:82
osgParticle::AngularAccelOperator::beginOperate
void beginOperate(Program *prg)
Perform some initializations. Do not call this method manually.
Definition AngularAccelOperator:87
osgParticle::AngularAccelOperator::setAngularAcceleration
void setAngularAcceleration(const osg::Vec3 &v)
Set the angular acceleration vector.
Definition AngularAccelOperator:77
osgParticle::AngularAccelOperator::META_Object
META_Object(osgParticle, AngularAccelOperator)
osgParticle::AngularAccelOperator::operator=
AngularAccelOperator & operator=(const AngularAccelOperator &)
Definition AngularAccelOperator:53
osgParticle::AngularAccelOperator::AngularAccelOperator
AngularAccelOperator()
Definition AngularAccelOperator:62
osgParticle::AngularAccelOperator::getAngularAcceleration
const osg::Vec3 & getAngularAcceleration() const
Get the angular acceleration vector.
Definition AngularAccelOperator:72
osgParticle::AngularAccelOperator::~AngularAccelOperator
virtual ~AngularAccelOperator()
Definition AngularAccelOperator:52
osgParticle::Operator::Operator
Operator()
Definition Operator:92
osgParticle::ParticleProcessor::RELATIVE_RF
@ RELATIVE_RF
Definition ParticleProcessor:42
osgParticle::ParticleProcessor::getReferenceFrame
ReferenceFrame getReferenceFrame() const
Get the reference frame.
Definition ParticleProcessor:179
osgParticle::ParticleProcessor::rotateLocalToWorld
osg::Vec3 rotateLocalToWorld(const osg::Vec3 &P)
Transform a vector from local to world coordinates, discarding translation (valid only during cull tr...
Definition ParticleProcessor:315
osgParticle::Particle
Definition Particle:47
osgParticle::Particle::addAngularVelocity
void addAngularVelocity(const osg::Vec3 &dv)
Add a vector to the angular velocity vector.
Definition Particle:525
osgParticle::Program
Definition osgParticle/Program:36
osg::CopyOp
Definition CopyOp:41
osg::CopyOp::SHALLOW_COPY
@ SHALLOW_COPY
Definition CopyOp:47
osgParticle
Definition AccelOperator:27
osg::Vec3
Vec3f Vec3
Definition Vec3:21