source: GTP/trunk/App/Demos/Geom/OgreStuff/include/OgreParticleIterator.h @ 1812

Revision 1812, 2.0 KB checked in by gumbau, 18 years ago (diff)
Line 
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4        (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2005 The OGRE Team
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23-----------------------------------------------------------------------------
24*/
25#ifndef __ParticleIterator_H__
26#define __ParticleIterator_H__
27
28#include "OgrePrerequisites.h"
29
30namespace Ogre {
31
32
33    /** Convenience class to make it easy to step through all particles in a ParticleSystem.
34    */
35    class _OgreExport ParticleIterator
36    {
37        friend class ParticleSystem;
38    protected:
39        std::list<Particle*>::iterator mPos;
40        std::list<Particle*>::iterator mStart;
41        std::list<Particle*>::iterator mEnd;
42
43        /// Protected constructor, only available from ParticleSystem::getIterator
44        ParticleIterator(std::list<Particle*>::iterator start, std::list<Particle*>::iterator end);
45
46    public:
47        // Returns true when at the end of the particle list
48        bool end(void);
49
50        /** Returns a pointer to the next particle, and moves the iterator on by 1 element. */
51        Particle* getNext(void);
52    };
53}
54
55
56#endif
57
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