53 lines
1.6 KiB
Plaintext
53 lines
1.6 KiB
Plaintext
//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_PLACER_
|
|
#define OSGPARTICLE_PLACER_ 1
|
|
|
|
#include <osg/CopyOp>
|
|
#include <osg/Object>
|
|
|
|
namespace osgParticle
|
|
{
|
|
|
|
class Particle;
|
|
|
|
/** An abstract base class for implementing <I>particle placers</I>. A placer is an object which take
|
|
a particle as input, and places it somewhere by setting its position vector. Placer objects are
|
|
used by the <CODE>ModularEmitter</CODE> class as part of the particle emission process.
|
|
*/
|
|
class Placer: public osg::Object {
|
|
public:
|
|
inline Placer();
|
|
inline Placer(const Placer ©, const osg::CopyOp ©op = osg::CopyOp::SHALLOW_COPY);
|
|
|
|
virtual const char *libraryName() const { return "osgParticle"; }
|
|
virtual const char *className() const { return "Placer"; }
|
|
virtual bool isSameKindAs(const osg::Object *obj) const { return dynamic_cast<const Placer *>(obj) != 0; }
|
|
|
|
/// Place a particle. Must be implemented in descendant classes.
|
|
virtual void place(Particle *P) const = 0;
|
|
|
|
protected:
|
|
~Placer() {}
|
|
Placer &operator=(const Placer &) { return *this; }
|
|
};
|
|
|
|
// INLINE FUNCTIONS
|
|
|
|
inline Placer::Placer()
|
|
: osg::Object()
|
|
{
|
|
}
|
|
|
|
inline Placer::Placer(const Placer ©, const osg::CopyOp ©op)
|
|
: osg::Object(copy, copyop)
|
|
{
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|