[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #ifndef __ScaleAffector_H__
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| 26 | #define __ScaleAffector_H__
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| 27 |
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| 28 | #include "OgreParticleFXPrerequisites.h"
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| 29 | #include "OgreParticleAffector.h"
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| 30 | #include "OgreStringInterface.h"
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| 31 |
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| 32 | namespace Ogre {
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| 33 |
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| 34 |
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| 35 | /** This plugin subclass of ParticleAffector allows you to alter the scale of particles.
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| 36 | @remarks
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| 37 | This class supplies the ParticleAffector implementation required to make the particle expand
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| 38 | or contract in mid-flight.
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| 39 | */
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| 40 | class _OgreParticleFXExport ScaleAffector : public ParticleAffector
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| 41 | {
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| 42 | public:
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| 43 |
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| 44 | /** Command object for scale adjust (see ParamCommand).*/
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| 45 | class CmdScaleAdjust : public ParamCommand
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| 46 | {
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| 47 | public:
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| 48 | String doGet(const void* target) const;
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| 49 | void doSet(void* target, const String& val);
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| 50 | };
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| 51 |
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| 52 | /** Default constructor. */
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| 53 | ScaleAffector(ParticleSystem* psys);
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| 54 |
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| 55 | /** See ParticleAffector. */
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| 56 | void _affectParticles(ParticleSystem* pSystem, Real timeElapsed);
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| 57 |
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| 58 | /** Sets the scale adjustment to be made per second to particles.
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| 59 | @param Rate
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| 60 | Sets the adjustment to be made to the x and y scale components per second. These
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| 61 | values will be added to the scale of all particles every second, scaled over each frame
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| 62 | for a smooth adjustment.
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| 63 | */
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| 64 | void setAdjust( Real rate );
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| 65 |
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| 66 | /** Gets the scale adjustment to be made per second to particles. */
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| 67 | Real getAdjust(void) const;
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| 68 |
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| 69 | static CmdScaleAdjust msScaleCmd;
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| 70 |
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| 71 | protected:
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| 72 | Real mScaleAdj;
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| 73 |
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| 74 | };
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| 75 |
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| 76 |
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| 77 | }
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| 78 |
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| 79 |
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| 80 | #endif
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| 81 |
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