/usr/include/osgParticle/SinkOperator is in libopenscenegraph-dev 3.0.1-4.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 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.
*/
// Written by Wang Rui, (C) 2010
#ifndef OSGPARTICLE_SINKOPERATOR
#define OSGPARTICLE_SINKOPERATOR
#include <osgParticle/Particle>
#include <osgParticle/DomainOperator>
namespace osgParticle
{
/** A sink operator kills particles if positions or velocities inside/outside the specified domain.
Refer to David McAllister's Particle System API (http://www.particlesystems.org)
*/
class OSGPARTICLE_EXPORT SinkOperator : public DomainOperator
{
public:
enum SinkTarget { SINK_POSITION, SINK_VELOCITY, SINK_ANGULAR_VELOCITY };
enum SinkStrategy { SINK_INSIDE, SINK_OUTSIDE };
SinkOperator()
: DomainOperator(), _sinkTarget(SINK_POSITION), _sinkStrategy(SINK_INSIDE)
{}
SinkOperator( const SinkOperator& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY )
: DomainOperator(copy, copyop), _sinkTarget(copy._sinkTarget), _sinkStrategy(copy._sinkStrategy)
{}
META_Object( osgParticle, SinkOperator );
/// Set the sink strategy
void setSinkTarget( SinkTarget so ) { _sinkTarget = so; }
/// Get the sink strategy
SinkTarget getSinkTarget() const { return _sinkTarget; }
/// Set the sink strategy
void setSinkStrategy( SinkStrategy ss ) { _sinkStrategy = ss; }
/// Get the sink strategy
SinkStrategy getSinkStrategy() const { return _sinkStrategy; }
/// Perform some initializations. Do not call this method manually.
void beginOperate( Program* prg );
protected:
virtual ~SinkOperator() {}
SinkOperator& operator=( const SinkOperator& ) { return *this; }
virtual void handlePoint( const Domain& domain, Particle* P, double dt );
virtual void handleLineSegment( const Domain& domain, Particle* P, double dt );
virtual void handleTriangle( const Domain& domain, Particle* P, double dt );
virtual void handleRectangle( const Domain& domain, Particle* P, double dt );
virtual void handlePlane( const Domain& domain, Particle* P, double dt );
virtual void handleSphere( const Domain& domain, Particle* P, double dt );
virtual void handleBox( const Domain& domain, Particle* P, double dt );
virtual void handleDisk( const Domain& domain, Particle* P, double dt );
inline const osg::Vec3& getValue( Particle* P );
inline void kill( Particle* P, bool insideDomain );
SinkTarget _sinkTarget;
SinkStrategy _sinkStrategy;
};
// INLINE METHODS
inline const osg::Vec3& SinkOperator::getValue( Particle* P )
{
switch ( _sinkTarget )
{
case SINK_VELOCITY: return P->getVelocity();
case SINK_ANGULAR_VELOCITY: return P->getAngularVelocity();
case SINK_POSITION: default: return P->getPosition();
}
}
inline void SinkOperator::kill( Particle* P, bool insideDomain )
{
if ( !((_sinkStrategy==SINK_INSIDE) ^ insideDomain) )
P->kill();
}
}
#endif
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