root/OpenSceneGraph/trunk/include/osgParticle/Shooter @ 13041

Revision 13041, 2.0 kB (checked in by robert, 3 years ago)

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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_SHOOTER
16#define OSGPARTICLE_SHOOTER 1
17
18#include <osg/CopyOp>
19#include <osg/Object>
20
21namespace osgParticle
22{
23
24    class Particle;
25
26    /**     An abstract base class used by ModularEmitter to "shoot" the particles after they have been placed.
27        Descendants of this class must override the <CODE>shoot()</CODE> method.
28    */
29    class Shooter: public osg::Object
30    {
31    public:
32        inline Shooter();
33        inline Shooter(const Shooter& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
34
35        virtual const char* libraryName() const { return "osgParticle"; }
36        virtual const char* className() const { return "Shooter"; }
37        virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const Shooter *>(obj) != 0; }
38
39        /**     Shoot a particle. Must be overriden by descendants.
40            This method should only set the velocity vector of particle <CODE>P</CODE>, leaving other
41            attributes unchanged.
42        */
43        virtual void shoot(Particle* P) const = 0;
44
45    protected:
46        virtual ~Shooter() {}
47        Shooter &operator=(const Shooter &) { return *this; }
48    };
49
50    // INLINE FUNCTIONS
51
52    inline Shooter::Shooter()
53    : osg::Object()
54    {
55    }
56
57    inline Shooter::Shooter(const Shooter& copy, const osg::CopyOp& copyop)
58    : osg::Object(copy, copyop)
59    {
60    }
61
62}
63
64#endif
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