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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2011 by The University of Queensland //
// Earth Systems Science Computational Centre (ESSCC) //
// http://www.uq.edu.au/esscc //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.opensource.org/licenses/osl-3.0.php //
// //
/////////////////////////////////////////////////////////////
#ifndef __PLANE_H
#define __PLANE_H
//-- Project includes --
#include "Foundation/vec3.h"
/*!
\class Plane
\brief Class representing a Plane
\author Steffen Abe
$Revision$
$Date$
*/
class Plane
{
protected:
Vec3 U,V ;
bool force3D ;
Vec3 Dir ;
Vec3 Pos ;
void Create() ;
public:
Plane();
Plane(const Vec3& iDir,const Vec3& iPos);
Plane(const Vec3& iU,const Vec3& iV,const Vec3& iPos);
virtual ~Plane() {}
virtual double sep(const Vec3&) const;
virtual double dist(const Vec3&) ; // signed separation according to Direction of the normal
virtual Vec3 ToClosest(const Vec3& M) {return dist(M)*Dir; } ; // return the vector PM where P is the closest point to M on the surface.
inline Vec3 GetU() const { return U; } ; // return U (for planes in a 2D space (ie. line) U is in the space)
inline Vec3 GetV() const { return V; } ; // V is null if this is a 2D space.
inline const Vec3 &GetW() const { return Dir; } ; // The normal
inline Vec3 getNormal() const { return Dir; } ;
inline const Vec3 &GetO() const { return Pos; } ;
inline Vec3 getPos() const { return Pos; } ;
} ;
namespace esys
{
namespace lsm
{
typedef ::Plane Plane;
}
}
#endif // __PLANE_H
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