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78 lines
2.6 KiB
78 lines
2.6 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 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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// Written by Wang Rui, (C) 2010 |
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#ifndef OSGPARTICLE_BOUNCEOPERATOR |
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#define OSGPARTICLE_BOUNCEOPERATOR |
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#include <osgParticle/Particle> |
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#include <osgParticle/DomainOperator> |
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namespace osgParticle |
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{ |
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/** A bounce operator can affect the particle's velocity to make it rebound. |
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Refer to David McAllister's Particle System API (http://www.particlesystems.org) |
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*/ |
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class OSGPARTICLE_EXPORT BounceOperator : public DomainOperator |
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{ |
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public: |
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BounceOperator() |
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: DomainOperator(), _friction(1.0f), _resilience(0.0f), _cutoff(0.0f) |
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{} |
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BounceOperator( const BounceOperator& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY ) |
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: DomainOperator(copy, copyop), |
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_friction(copy._friction), _resilience(copy._resilience), _cutoff(copy._cutoff) |
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{} |
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META_Object( osgParticle, BounceOperator ); |
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/// Set the friction |
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void setFriction( float f ) { _friction = f; } |
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/// Get the friction |
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float getFriction() const { return _friction; } |
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/// Set the resilience |
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void setResilience( float r ) { _resilience = r; } |
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/// Get the velocity cutoff factor |
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float getResilience() const { return _resilience; } |
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/// Set the velocity cutoff factor |
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void setCutoff( float v ) { _cutoff = v; } |
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/// Get the velocity cutoff factor |
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float getCutoff() const { return _cutoff; } |
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protected: |
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virtual ~BounceOperator() {} |
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BounceOperator& operator=( const BounceOperator& ) { return *this; } |
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virtual void handleTriangle( const Domain& domain, Particle* P, double dt ); |
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virtual void handleRectangle( const Domain& domain, Particle* P, double dt ); |
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virtual void handlePlane( const Domain& domain, Particle* P, double dt ); |
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virtual void handleSphere( const Domain& domain, Particle* P, double dt ); |
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virtual void handleDisk( const Domain& domain, Particle* P, double dt ); |
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float _friction; |
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float _resilience; |
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float _cutoff; |
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}; |
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} |
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#endif
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