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79 lines
3.0 KiB
79 lines
3.0 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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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#ifndef OSGPARTICLE_CONNECTEDPARTICLESYSTEM |
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#define OSGPARTICLE_CONNECTEDPARTICLESYSTEM 1 |
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#include <osgParticle/ParticleSystem> |
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namespace osgParticle |
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{ |
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/** ConnectConnectedParticleSystem is a specialise ConnectedParticleSystem for effects |
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* like missle trails, where the individual particles are rendered as |
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* single ribbon. |
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*/ |
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class OSGPARTICLE_EXPORT ConnectedParticleSystem: public osgParticle::ParticleSystem |
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{ |
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public: |
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ConnectedParticleSystem(); |
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ConnectedParticleSystem(const ConnectedParticleSystem& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY); |
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META_Object(osgParticle, ConnectedParticleSystem); |
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/// Create a new particle from the specified template (or the default one if <CODE>ptemplate</CODE> is null). |
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virtual Particle* createParticle(const Particle* ptemplate); |
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/// Reuse the i-th particle. |
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virtual void reuseParticle(int i); |
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/// Draw the connected particles as either a line or a quad strip, depending upon viewing distance. . |
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virtual void drawImplementation(osg::RenderInfo& renderInfo) const; |
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///Get the (const) particle from where the line or quadstrip starts to be drawn |
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const osgParticle::Particle* getStartParticle() const |
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{ |
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return (_startParticle != Particle::INVALID_INDEX) ? &_particles[_startParticle] : 0; |
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} |
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///Get the particle from where the line or quadstrip starts to be drawn |
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osgParticle::Particle* getStartParticle() |
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{ |
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return (_startParticle != Particle::INVALID_INDEX) ? &_particles[_startParticle] : 0; |
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} |
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///Set the maximum numbers of particles to be skipped during the predraw filtering |
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void setMaxNumberOfParticlesToSkip(unsigned int maxNumberofParticlesToSkip){_maxNumberOfParticlesToSkip = maxNumberofParticlesToSkip;} |
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///Get the maximum numbers of particles to be skipped during the predraw filtering |
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unsigned int getMaxNumberOfParticlesToSkip(){ return _maxNumberOfParticlesToSkip;} |
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protected: |
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virtual ~ConnectedParticleSystem(); |
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ConnectedParticleSystem& operator=(const ConnectedParticleSystem&) { return *this; } |
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int _lastParticleCreated; |
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unsigned int _maxNumberOfParticlesToSkip; |
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int _startParticle; |
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}; |
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} |
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#endif
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