ba9dfb2ff6
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14883 16af8721-9629-0410-8352-f15c8da7e697
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/* -*-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 missile 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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