// Demeter Terrain Visualization Library by Clay Fowler
// Copyright (C) 2002 Clay Fowler

// $ID$

/*
This library 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 2.1 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., 59 Temple Place - Suite 330,
Boston, MA  02111-1307, USA.
*/

#ifndef _TRIANGLE_DEMETER_H_
#define _TRIANGLE_DEMETER_H_

#include <Demeter/config.h>
#include <Demeter/Vector.h>
#include <Demeter/Plane.h>

/// \brief The Demeter Terrain Engine.
namespace Demeter
{

	class TERRAIN_API Triangle
	{
	      public:
		Triangle();
		~Triangle();
		void DefineFromPoints(Vector & p1, Vector & p2, Vector & p3);
		Vector *GetVertex(int index);
#if _USE_RAYTRACING_SUPPORT_ > 0
		Plane *GetPlane();
#endif
	      private:
		  Vector m_pVertices[3];
#if _USE_RAYTRACING_SUPPORT_ > 0
		Plane m_Plane;
#endif
	};
}

#endif