OgreColourFaderAffector.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE 
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program is free software; you can redistribute it and/or modify it under 
the terms of the GNU Lesser General Public License as published by the Free Software 
Foundation; either version 2 of the License, or (at your option) any later 
version.

This program is distributed in the hope that it will be useful, but WITHOUT 
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with 
this program; if not, write to the Free Software Foundation, Inc., 59 Temple 
Place - Suite 330, Boston, MA 02111-1307, USA, or go to 
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/
#ifndef __ColourFaderAffector_H__
#define __ColourFaderAffector_H__

#include "OgreParticleFXPrerequisites.h"
#include "OgreParticleAffector.h"
#include "OgreStringInterface.h"

namespace Ogre {


    class _OgreParticleFXExport ColourFaderAffector : public ParticleAffector
    {
    public:

        class CmdRedAdjust : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };

        class CmdGreenAdjust : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };

        class CmdBlueAdjust : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };

        class CmdAlphaAdjust : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };


        ColourFaderAffector(ParticleSystem* psys);

        void _affectParticles(ParticleSystem* pSystem, Real timeElapsed);

        void setAdjust(float red, float green, float blue, float alpha = 0.0);
        void setRedAdjust(float red);

        float getRedAdjust(void) const;

        void setGreenAdjust(float green);
        float getGreenAdjust(void) const;
        void setBlueAdjust(float blue);
        float getBlueAdjust(void) const;

        void setAlphaAdjust(float alpha);
        float getAlphaAdjust(void) const;

        static CmdRedAdjust msRedCmd;
        static CmdGreenAdjust msGreenCmd;
        static CmdBlueAdjust msBlueCmd;
        static CmdAlphaAdjust msAlphaCmd;

    protected:
        float mRedAdj;
        float mGreenAdj;
        float mBlueAdj;
        float mAlphaAdj;

        inline void applyAdjustWithClamp(float* pComponent, float adjust)
        {
            *pComponent += adjust;
            // Limit to 0
            if (*pComponent < 0.0)
            {
                *pComponent = 0.0f;
            }
            // Limit to 1
            else if (*pComponent > 1.0)
            {
                *pComponent = 1.0f;
            }
        }

    };


}


#endif

---

Copyright © 2000-2005 by The OGRE Team

This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Mar 12 14:37:38 2006