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# OgrePointEmitter.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 "OgrePointEmitter.h"
    00026 #include "OgreParticle.h"
    00027
    00028
    00029
    00030 namespace Ogre {
    00031
    00032     //-----------------------------------------------------------------------
    00033     PointEmitter::PointEmitter()
    00034     {
    00035         mType = "Point";
    00036         // Set up parameters
    00037         if (createParamDictionary("PointEmitter"))
    00038         {
    00039             addBaseParameters();
    00040         }
    00041         // No custom parameters
    00042     }
    00043     //-----------------------------------------------------------------------
    00044     void PointEmitter::_initParticle(Particle* pParticle)
    00045     {
    00046         // Very simple emitter, uses default implementations with no modification
    00047
    00048         // Call superclass
    00049         ParticleEmitter::_initParticle(pParticle);
    00050
    00051         // Point emitter emits from own position
    00052         pParticle->mPosition = mPosition;
    00053
    00054         // Generate complex data by reference
    00055         genEmissionColour(pParticle->mColour);
    00056         genEmissionDirection(pParticle->mDirection);
    00057         genEmissionVelocity(pParticle->mDirection);
    00058
    00059         // Generate simpler data
    00060         pParticle->mTimeToLive = pParticle->mTotalTimeToLive = genEmissionTTL();
    00061
    00062     }
    00063     //-----------------------------------------------------------------------
    00064     unsigned short PointEmitter::_getEmissionCount(Real timeElapsed)
    00065     {
    00066         // Use basic constant emission
    00067         return genConstantEmissionCount(timeElapsed);
    00068     }
    00069 }
    00070
    00071

Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:39 2004