[5] | 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) 2000-2006 Torus Knot Software Ltd |
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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 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreScaleAffector.h" |
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| 30 | #include "OgreParticleSystem.h" |
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| 31 | #include "OgreStringConverter.h" |
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| 32 | #include "OgreParticle.h" |
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| 33 | |
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| 34 | |
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| 35 | namespace Ogre { |
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| 36 | |
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| 37 | // init statics |
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| 38 | ScaleAffector::CmdScaleAdjust ScaleAffector::msScaleCmd; |
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| 39 | |
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| 40 | //----------------------------------------------------------------------- |
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| 41 | ScaleAffector::ScaleAffector(ParticleSystem* psys) |
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| 42 | :ParticleAffector(psys) |
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| 43 | { |
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| 44 | mScaleAdj = 0; |
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| 45 | mType = "Scaler"; |
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| 46 | |
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| 47 | // Init parameters |
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| 48 | if (createParamDictionary("ScaleAffector")) |
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| 49 | { |
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| 50 | ParamDictionary* dict = getParamDictionary(); |
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| 51 | |
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| 52 | dict->addParameter(ParameterDef("rate", |
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| 53 | "The amount by which to adjust the x and y scale components of particles per second.", |
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| 54 | PT_REAL), &msScaleCmd); |
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| 55 | } |
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| 56 | } |
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| 57 | //----------------------------------------------------------------------- |
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| 58 | void ScaleAffector::_affectParticles(ParticleSystem* pSystem, Real timeElapsed) |
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| 59 | { |
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| 60 | ParticleIterator pi = pSystem->_getIterator(); |
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| 61 | Particle *p; |
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| 62 | Real ds; |
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| 63 | |
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| 64 | // Scale adjustments by time |
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| 65 | ds = mScaleAdj * timeElapsed; |
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| 66 | |
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| 67 | Real NewWide, NewHigh; |
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| 68 | |
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| 69 | while (!pi.end()) |
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| 70 | { |
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| 71 | p = pi.getNext(); |
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| 72 | |
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| 73 | if( p->hasOwnDimensions() == false ) |
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| 74 | { |
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| 75 | NewWide = pSystem->getDefaultWidth() + ds; |
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| 76 | NewHigh = pSystem->getDefaultHeight() + ds; |
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| 77 | |
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| 78 | } |
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| 79 | else |
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| 80 | { |
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| 81 | NewWide = p->getOwnWidth() + ds; |
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| 82 | NewHigh = p->getOwnHeight() + ds; |
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| 83 | } |
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| 84 | p->setDimensions( NewWide, NewHigh ); |
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| 85 | } |
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| 86 | |
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| 87 | } |
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| 88 | //----------------------------------------------------------------------- |
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| 89 | void ScaleAffector::setAdjust( Real rate ) |
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| 90 | { |
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| 91 | mScaleAdj = rate; |
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| 92 | } |
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| 93 | //----------------------------------------------------------------------- |
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| 94 | Real ScaleAffector::getAdjust(void) const |
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| 95 | { |
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| 96 | return mScaleAdj; |
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| 97 | } |
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| 98 | //----------------------------------------------------------------------- |
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| 99 | |
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| 100 | //----------------------------------------------------------------------- |
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| 101 | //----------------------------------------------------------------------- |
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| 102 | // Command objects |
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| 103 | //----------------------------------------------------------------------- |
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| 104 | //----------------------------------------------------------------------- |
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| 105 | String ScaleAffector::CmdScaleAdjust::doGet(const void* target) const |
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| 106 | { |
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| 107 | return StringConverter::toString( |
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| 108 | static_cast<const ScaleAffector*>(target)->getAdjust() ); |
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| 109 | } |
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| 110 | void ScaleAffector::CmdScaleAdjust::doSet(void* target, const String& val) |
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| 111 | { |
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| 112 | static_cast<ScaleAffector*>(target)->setAdjust( |
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| 113 | StringConverter::parseReal(val)); |
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| 114 | } |
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| 115 | |
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| 116 | } |
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| 117 | |
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| 118 | |
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| 119 | |
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