1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 2 * 3 * This library is open source and may be redistributed and/or modified under 4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 5 * (at your option) any later version. The full license is in LICENSE file 6 * included with this distribution, and on the openscenegraph.org website. 7 * 8 * This library is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * OpenSceneGraph Public License for more details. 12*/ 13//osgParticle - Copyright (C) 2002 Marco Jez 14 15#ifndef OSGPARTICLE_POINT_PLACER 16#define OSGPARTICLE_POINT_PLACER 1 17 18#include <osgParticle/CenteredPlacer> 19#include <osgParticle/Particle> 20 21#include <osg/CopyOp> 22#include <osg/Object> 23 24namespace osgParticle 25{ 26 27 /** A point-shaped particle placer. 28 This placer class uses the center point defined in its base class <CODE>CenteredPlacer</CODE> 29 to place there all incoming particles. 30 */ 31 class PointPlacer: public CenteredPlacer { 32 public: 33 inline PointPlacer(); 34 inline PointPlacer(const PointPlacer& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY); 35 36 META_Object(osgParticle, PointPlacer); 37 38 /** Place a particle. 39 This method is called automatically by <CODE>ModularEmitter</CODE> and should not be called 40 manually. 41 */ 42 inline void place(Particle* P) const; 43 44 /// return the control position 45 inline osg::Vec3 getControlPosition() const; 46 47 protected: 48 virtual ~PointPlacer() {} 49 PointPlacer& operator=(const PointPlacer&) { return *this; } 50 }; 51 52 // INLINE FUNCTIONS 53 54 inline PointPlacer::PointPlacer() 55 : CenteredPlacer() 56 { 57 } 58 59 inline PointPlacer::PointPlacer(const PointPlacer& copy, const osg::CopyOp& copyop) 60 : CenteredPlacer(copy, copyop) 61 { 62 } 63 64 inline void PointPlacer::place(Particle* P) const 65 { 66 P->setPosition(getCenter()); 67 } 68 69 70 inline osg::Vec3 PointPlacer::getControlPosition() const 71 { 72 return getCenter(); 73 } 74 75} 76 77 78#endif 79