# OgreColourFaderAffector.h

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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 (c) 2000-2005 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 #ifndef __ColourFaderAffector_H__
    00026 #define __ColourFaderAffector_H__
    00027
    00028 #include "OgreParticleFXPrerequisites.h"
    00029 #include "OgreParticleAffector.h"
    00030 #include "OgreStringInterface.h"
    00031
    00032 namespace Ogre {
    00033
    00034
    00040     class _OgreParticleFXExport ColourFaderAffector : public ParticleAffector
    00041     {
    00042     public:
    00043
    00045         class CmdRedAdjust : public ParamCommand
    00046         {
    00047         public:
    00048             String doGet(const void* target) const;
    00049             void doSet(void* target, const String& val);
    00050         };
    00051
    00053         class CmdGreenAdjust : public ParamCommand
    00054         {
    00055         public:
    00056             String doGet(const void* target) const;
    00057             void doSet(void* target, const String& val);
    00058         };
    00059
    00061         class CmdBlueAdjust : public ParamCommand
    00062         {
    00063         public:
    00064             String doGet(const void* target) const;
    00065             void doSet(void* target, const String& val);
    00066         };
    00067
    00069         class CmdAlphaAdjust : public ParamCommand
    00070         {
    00071         public:
    00072             String doGet(const void* target) const;
    00073             void doSet(void* target, const String& val);
    00074         };
    00075
    00076
    00078         ColourFaderAffector(ParticleSystem* psys);
    00079
    00081         void _affectParticles(ParticleSystem* pSystem, Real timeElapsed);
    00082
    00089         void setAdjust(float red, float green, float blue, float alpha = 0.0);
    00096         void setRedAdjust(float red);
    00097
    00099         float getRedAdjust(void) const;
    00100
    00107         void setGreenAdjust(float green);
    00109         float getGreenAdjust(void) const;
    00116         void setBlueAdjust(float blue);
    00118         float getBlueAdjust(void) const;
    00119
    00126         void setAlphaAdjust(float alpha);
    00128         float getAlphaAdjust(void) const;
    00129
    00130         static CmdRedAdjust msRedCmd;
    00131         static CmdGreenAdjust msGreenCmd;
    00132         static CmdBlueAdjust msBlueCmd;
    00133         static CmdAlphaAdjust msAlphaCmd;
    00134
    00135     protected:
    00136         float mRedAdj;
    00137         float mGreenAdj;
    00138         float mBlueAdj;
    00139         float mAlphaAdj;
    00140
    00142         inline void applyAdjustWithClamp(float* pComponent, float adjust)
    00143         {
    00144             *pComponent += adjust;
    00145             // Limit to 0
    00146             if (*pComponent < 0.0)
    00147             {
    00148                 *pComponent = 0.0f;
    00149             }
    00150             // Limit to 1
    00151             else if (*pComponent > 1.0)
    00152             {
    00153                 *pComponent = 1.0f;
    00154             }
    00155         }
    00156
    00157     };
    00158
    00159
    00160 }
    00161
    00162
    00163 #endif
    00164

Copyright © 2000-2005 by The OGRE Team
Last modified Sun Nov 20 12:35:57 2005