//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.

#ifndef OSG_CONVEXPLANARPOLYGON
#define OSG_CONVEXPLANARPOLYGON 1

#include <osg/Plane>

#include <vector>

namespace osg {

class BoundingBox;
class BoundingSphere;

/** A class for representing convex clipping volumes made up.
  * When adding planes, their normals should point inwards (into the volume) */
class SG_EXPORT ConvexPlanarPolygon
{

    public:

        ConvexPlanarPolygon();
                
        typedef std::vector<osg::Vec3> VertexList;

        void add(const Vec3& v) { _vertexList.push_back(v); }
        
        VertexList& getVertexList() { return _vertexList; }
        
        const VertexList& getVertexList() const { return _vertexList; }
      
    protected:

        VertexList _vertexList;

};

}	// end of namespace

#endif