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ddgfog.h

This is the verbatim text of the ddgfog.h include file.

/*
    Copyright (C) 1997, 1998, 1999, 2000 by Alex Pfaffe
        (Digital Dawn Graphics Inc)
  
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
  
    This library 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
    Library General Public License for more details.
  
    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _ddgFog_Class_
#define _ddgFog_Class_

#include "struct/ddgcolor.h"
#include "struct/ddggroup.h"

class WEXP ddgFog : public ddgGroup
{
    typedef ddgGroup super;
public:
        enum Type{ NONE=0, LINEAR, EXPONENTIAL, EXPONENTIAL2 };
private:
        Type            _fog;
        ddgColor3               _fogColor;
        float           _fogDensity;
        ddgVector2              _fogRange;
public:
        ddgFog( Type m, float d = 0.3, const ddgColor3 *c = NULL, const ddgVector2 *v = NULL)
                : _fog(m), _fogDensity(d), _fogColor(0.5,0.5,0.5),_fogRange(1000,50000)
        {  if (c) _fogColor.set(c); if (v) _fogRange.set(v); }
        bool draw( ddgContext *ctx );
        bool init( ddgContext *ctx );
        Type type(void) { return _fog; }
        void setType( Type t );
        void setDensity( float d);
        void setColor( ddgColor3 *c = NULL);
};

#endif

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