/usr/include/osgParticle/BounceOperator is in libopenscenegraph-dev 3.0.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /* -*-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_BOUNCEOPERATOR
#define OSGPARTICLE_BOUNCEOPERATOR
#include <osgParticle/Particle>
#include <osgParticle/DomainOperator>
namespace osgParticle
{
/** A bounce operator can affect the particle's velocity to make it rebound.
Refer to David McAllister's Particle System API (http://www.particlesystems.org)
*/
class OSGPARTICLE_EXPORT BounceOperator : public DomainOperator
{
public:
BounceOperator()
: DomainOperator(), _friction(1.0f), _resilience(0.0f), _cutoff(0.0f)
{}
BounceOperator( const BounceOperator& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY )
: DomainOperator(copy, copyop),
_friction(copy._friction), _resilience(copy._resilience), _cutoff(copy._cutoff)
{}
META_Object( osgParticle, BounceOperator );
/// Set the friction
void setFriction( float f ) { _friction = f; }
/// Get the friction
float getFriction() const { return _friction; }
/// Set the resilience
void setResilience( float r ) { _resilience = r; }
/// Get the velocity cutoff factor
float getResilience() const { return _resilience; }
/// Set the velocity cutoff factor
void setCutoff( float v ) { _cutoff = v; }
/// Get the velocity cutoff factor
float getCutoff() const { return _cutoff; }
protected:
virtual ~BounceOperator() {}
BounceOperator& operator=( const BounceOperator& ) { return *this; }
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 handleDisk( const Domain& domain, Particle* P, double dt );
float _friction;
float _resilience;
float _cutoff;
};
}
#endif
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