source: OGRE/trunk/ogrenew/PlugIns/ParticleFX/include/OgreScaleAffector.h @ 657

Revision 657, 2.7 KB checked in by mattausch, 19 years ago (diff)

added ogre dependencies and patched ogre sources

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 __ScaleAffector_H__
26#define __ScaleAffector_H__
27
28#include "OgreParticleFXPrerequisites.h"
29#include "OgreParticleAffector.h"
30#include "OgreStringInterface.h"
31
32namespace Ogre {
33
34
35    /** This plugin subclass of ParticleAffector allows you to alter the scale of particles.
36    @remarks
37        This class supplies the ParticleAffector implementation required to make the particle expand
38                or contract in mid-flight.
39    */
40    class _OgreParticleFXExport ScaleAffector : public ParticleAffector
41    {
42    public:
43
44        /** Command object for scale adjust (see ParamCommand).*/
45        class CmdScaleAdjust : public ParamCommand
46        {
47        public:
48            String doGet(const void* target) const;
49            void doSet(void* target, const String& val);
50        };
51
52        /** Default constructor. */
53        ScaleAffector(ParticleSystem* psys);
54
55        /** See ParticleAffector. */
56        void _affectParticles(ParticleSystem* pSystem, Real timeElapsed);
57
58        /** Sets the scale adjustment to be made per second to particles.
59        @param Rate
60            Sets the adjustment to be made to the x and y scale components per second. These
61            values will be added to the scale of all particles every second, scaled over each frame
62            for a smooth adjustment.
63        */
64        void setAdjust( Real rate );
65
66        /** Gets the scale adjustment to be made per second to particles. */
67        Real getAdjust(void) const;
68
69        static CmdScaleAdjust msScaleCmd;
70
71    protected:
72        Real mScaleAdj;
73
74    };
75
76
77}
78
79
80#endif
81
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