glc_pointsprite.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 Copyright (C) 2009 Laurent Bauer
 http://glc-lib.sourceforge.net

 GLC-lib 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 3 of the License, or
 (at your option) any later version.

 GLC-lib 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 GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/

#include "glc_geometry.h"
#include <QVector>

#include "../glc_config.h"

#ifndef GLC_POINTSPRITE_H_
#define GLC_POINTSPRITE_H_




class GLC_LIB_EXPORT GLC_PointSprite : public GLC_Geometry
{
public:




        GLC_PointSprite(float, GLC_Material*);

        virtual ~GLC_PointSprite();



public:

        inline float size() const
        {return m_Size;}

        virtual const GLC_BoundingBox& boundingBox(void);

        virtual GLC_Geometry* clone() const;

        inline float fadeThresoldSize()
        {return m_FadeThresoldSize;}


        inline static float maximumPointSize()
        {return m_MaxSize;}




public:

        void setSize(float size);


        void setPointDistanceAttenuation(QVector<float>);

        inline void setFadeThresoldSize(float value)
        {m_FadeThresoldSize= value;}




private:
        virtual void render(const GLC_RenderProperties&);


        virtual void glDraw(const GLC_RenderProperties&);

// Private Member

private:
        float m_Size;

        QVector<float> m_DistanceAttenuation;

        float m_FadeThresoldSize;

        static float m_MaxSize;
};

#endif /* GLC_POINTSPRITE_H_ */