//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
//osgParticle - Copyright (C) 2002 Marco Jez

#ifndef OSGPARTICLE_CENTEREDPLACER_
#define OSGPARTICLE_CENTEREDPLACER_ 1

#include <osgParticle/Placer>

#include <osg/CopyOp>
#include <osg/Object>
#include <osg/Vec3>

namespace osgParticle
{

    /**    An abstract placer base class for placers which need a <I>center point</I>.
    */
    class CenteredPlacer: public Placer {
    public:
        inline CenteredPlacer();
        inline CenteredPlacer(const CenteredPlacer &copy, const osg::CopyOp &copyop = osg::CopyOp::SHALLOW_COPY);
        
        virtual const char *libraryName() const { return "osgParticle"; }
        virtual const char *className() const { return "CenteredPlacer"; }
        virtual bool isSameKindAs(const osg::Object *obj) const { return dynamic_cast<const Placer *>(obj) != 0; }        
    
        /// Get the center point.
        inline const osg::Vec3 &getCenter() const;
        
        /// Set the center point.
        inline void setCenter(const osg::Vec3 &v);
        
        /// Set the center point.
        inline void setCenter(float x, float y, float z);
        
    protected:
        virtual ~CenteredPlacer() {}
        
    private:
        osg::Vec3 center_;
    };
    
    // INLINE FUNCTIONS
    
    inline CenteredPlacer::CenteredPlacer()
    : Placer(), center_(0, 0, 0)
    {
    }
    
    inline CenteredPlacer::CenteredPlacer(const CenteredPlacer &copy, const osg::CopyOp &copyop)
    : Placer(copy, copyop), center_(copy.center_)
    {
    }
    
    inline const osg::Vec3 &CenteredPlacer::getCenter() const
    {
        return center_;
    }
    
    inline void CenteredPlacer::setCenter(const osg::Vec3 &v)
    {
        center_ = v;
    }
    
    inline void CenteredPlacer::setCenter(float x, float y, float z)
    {
        center_.set(x, y, z);
    }

}


#endif