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OgreBoxEmitter.cpp

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright © 2000-2002 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #include "OgreBoxEmitter.h"
00026 #include "OgreParticle.h"
00027 #include "OgreException.h"
00028 #include "OgreStringConverter.h"
00029 
00030 
00031 
00032 namespace Ogre {
00033 
00034 
00035     //-----------------------------------------------------------------------
00036     BoxEmitter::BoxEmitter()
00037     {
00038         initDefaults("Box");
00039     }
00040     //-----------------------------------------------------------------------
00041     void BoxEmitter::_initParticle(Particle* pParticle)
00042     {
00043         Vector3 xOff, yOff, zOff;
00044 
00045         // Call superclass
00046         ParticleEmitter::_initParticle(pParticle);
00047 
00048         xOff = Math::SymmetricRandom() * mXRange;
00049         yOff = Math::SymmetricRandom() * mYRange;
00050         zOff = Math::SymmetricRandom() * mZRange;
00051 
00052         pParticle->mPosition = mPosition + xOff + yOff + zOff;
00053         
00054 
00055         // Generate complex data by reference
00056         genEmissionColour(pParticle->mColour);
00057         genEmissionDirection(pParticle->mDirection);
00058         genEmissionVelocity(pParticle->mDirection);
00059 
00060         // Generate simpler data
00061         pParticle->mTimeToLive = pParticle->mTotalTimeToLive = genEmissionTTL();
00062         
00063     }
00064 
00065 
00066 }
00067 
00068 

Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:16 2004