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79 lines
2.2 KiB
79 lines
2.2 KiB
14 years ago
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/* -*-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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//osgParticle - Copyright (C) 2002 Marco Jez
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#ifndef OSGPARTICLE_POINT_PLACER
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#define OSGPARTICLE_POINT_PLACER 1
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#include <osgParticle/CenteredPlacer>
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#include <osgParticle/Particle>
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#include <osg/CopyOp>
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#include <osg/Object>
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namespace osgParticle
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{
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/** A point-shaped particle placer.
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This placer class uses the center point defined in its base class <CODE>CenteredPlacer</CODE>
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to place there all incoming particles.
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*/
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class PointPlacer: public CenteredPlacer {
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public:
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inline PointPlacer();
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inline PointPlacer(const PointPlacer& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
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META_Object(osgParticle, PointPlacer);
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/** Place a particle.
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This method is called automatically by <CODE>ModularEmitter</CODE> and should not be called
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manually.
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*/
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inline void place(Particle* P) const;
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/// return the control position
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inline osg::Vec3 getControlPosition() const;
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protected:
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virtual ~PointPlacer() {}
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PointPlacer& operator=(const PointPlacer&) { return *this; }
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};
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// INLINE FUNCTIONS
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inline PointPlacer::PointPlacer()
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: CenteredPlacer()
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{
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}
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inline PointPlacer::PointPlacer(const PointPlacer& copy, const osg::CopyOp& copyop)
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: CenteredPlacer(copy, copyop)
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{
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}
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inline void PointPlacer::place(Particle* P) const
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{
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P->setPosition(getCenter());
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}
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inline osg::Vec3 PointPlacer::getControlPosition() const
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{
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return getCenter();
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}
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}
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#endif
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