[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 | #include "OgreScaleAffector.h"
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| 26 | #include "OgreParticleSystem.h"
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| 27 | #include "OgreStringConverter.h"
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| 28 | #include "OgreParticle.h"
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| 29 |
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| 30 |
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| 31 | namespace Ogre {
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| 32 |
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| 33 | // init statics
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| 34 | ScaleAffector::CmdScaleAdjust ScaleAffector::msScaleCmd;
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| 35 |
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| 36 | //-----------------------------------------------------------------------
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| 37 | ScaleAffector::ScaleAffector(ParticleSystem* psys)
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| 38 | :ParticleAffector(psys)
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| 39 | {
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| 40 | mScaleAdj = 0;
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| 41 | mType = "Scaler";
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| 42 |
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| 43 | // Init parameters
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| 44 | if (createParamDictionary("ScaleAffector"))
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| 45 | {
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| 46 | ParamDictionary* dict = getParamDictionary();
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| 47 |
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| 48 | dict->addParameter(ParameterDef("rate",
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| 49 | "The amount by which to adjust the x and y scale components of particles per second.",
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| 50 | PT_REAL), &msScaleCmd);
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| 51 | }
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| 52 | }
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| 53 | //-----------------------------------------------------------------------
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| 54 | void ScaleAffector::_affectParticles(ParticleSystem* pSystem, Real timeElapsed)
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| 55 | {
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| 56 | ParticleIterator pi = pSystem->_getIterator();
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| 57 | Particle *p;
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| 58 | Real ds;
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| 59 |
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| 60 | // Scale adjustments by time
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| 61 | ds = mScaleAdj * timeElapsed;
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| 62 |
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| 63 | Real NewWide, NewHigh;
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| 64 |
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| 65 | while (!pi.end())
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| 66 | {
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| 67 | p = pi.getNext();
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| 68 |
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| 69 | if( p->hasOwnDimensions() == false )
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| 70 | {
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| 71 | NewWide = pSystem->getDefaultWidth() + ds;
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| 72 | NewHigh = pSystem->getDefaultHeight() + ds;
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| 73 |
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| 74 | }
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| 75 | else
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| 76 | {
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| 77 | NewWide = p->getOwnWidth() + ds;
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| 78 | NewHigh = p->getOwnHeight() + ds;
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| 79 | }
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| 80 | p->setDimensions( NewWide, NewHigh );
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| 81 | }
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| 82 |
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| 83 | }
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| 84 | //-----------------------------------------------------------------------
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| 85 | void ScaleAffector::setAdjust( Real rate )
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| 86 | {
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| 87 | mScaleAdj = rate;
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| 88 | }
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| 89 | //-----------------------------------------------------------------------
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| 90 | Real ScaleAffector::getAdjust(void) const
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| 91 | {
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| 92 | return mScaleAdj;
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| 93 | }
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| 94 | //-----------------------------------------------------------------------
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| 95 |
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| 96 | //-----------------------------------------------------------------------
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| 97 | //-----------------------------------------------------------------------
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| 98 | // Command objects
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| 99 | //-----------------------------------------------------------------------
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| 100 | //-----------------------------------------------------------------------
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| 101 | String ScaleAffector::CmdScaleAdjust::doGet(const void* target) const
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| 102 | {
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| 103 | return StringConverter::toString(
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| 104 | static_cast<const ScaleAffector*>(target)->getAdjust() );
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| 105 | }
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| 106 | void ScaleAffector::CmdScaleAdjust::doSet(void* target, const String& val)
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| 107 | {
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| 108 | static_cast<ScaleAffector*>(target)->setAdjust(
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| 109 | StringConverter::parseReal(val));
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| 110 | }
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| 111 |
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| 112 | }
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| 113 |
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| 114 |
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| 115 |
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