glc_circle.h

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

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

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


#ifndef GLC_CIRCLE_H_
#define GLC_CIRCLE_H_

#include "glc_geometry.h"

#include "../glc_config.h"



class GLC_LIB_EXPORT GLC_Circle : public GLC_Geometry
{


public:


        GLC_Circle(const double &dRadius, double Angle= 2.0 * glc::PI);

        GLC_Circle(const GLC_Circle& sourceCircle);

        virtual ~GLC_Circle();




public:

        inline int discretion() const
        { return m_Discret;}

        inline double radius() const
        {return m_Radius;}

        inline double diameter() const
        {return m_Radius * 2.0;}

        virtual const GLC_BoundingBox& boundingBox();

        virtual GLC_Geometry* clone() const;



public:

        void setDiameter(double D);


        void setRadius(double R);


        void setDiscretion(int TargetDiscret);


        void setAngle(double AngleRadians);     // Angle in Radians




private:


        virtual void glDraw(const GLC_RenderProperties&);



private:
        void createWire();


// private members
private:
        double m_Radius;

        int m_Discret;

        double m_Angle;

        GLuint m_Step;

};
#endif //GLC_CIRCLE_H_