ESyS-Particle
4.0.1
|
00001 00002 // // 00003 // Copyright (c) 2003-2011 by The University of Queensland // 00004 // Earth Systems Science Computational Centre (ESSCC) // 00005 // http://www.uq.edu.au/esscc // 00006 // // 00007 // Primary Business: Brisbane, Queensland, Australia // 00008 // Licensed under the Open Software License version 3.0 // 00009 // http://www.opensource.org/licenses/osl-3.0.php // 00010 // // 00012 00013 #ifndef __PLANE_H 00014 #define __PLANE_H 00015 00016 //-- Project includes -- 00017 #include "Foundation/vec3.h" 00018 00028 class Plane 00029 { 00030 protected: 00031 Vec3 U,V ; 00032 bool force3D ; 00033 Vec3 Dir ; 00034 Vec3 Pos ; 00035 00036 void Create() ; 00037 public: 00038 Plane(); 00039 Plane(const Vec3& iDir,const Vec3& iPos); 00040 Plane(const Vec3& iU,const Vec3& iV,const Vec3& iPos); 00041 00042 virtual ~Plane() {} 00043 00044 virtual double sep(const Vec3&) const; 00045 virtual double dist(const Vec3&) ; // signed separation according to Direction of the normal 00046 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. 00047 00048 inline Vec3 GetU() const { return U; } ; // return U (for planes in a 2D space (ie. line) U is in the space) 00049 inline Vec3 GetV() const { return V; } ; // V is null if this is a 2D space. 00050 inline const Vec3 &GetW() const { return Dir; } ; // The normal 00051 inline Vec3 getNormal() const { return Dir; } ; 00052 inline const Vec3 &GetO() const { return Pos; } ; 00053 inline Vec3 getPos() const { return Pos; } ; 00054 } ; 00055 00056 namespace esys 00057 { 00058 namespace lsm 00059 { 00060 typedef ::Plane Plane; 00061 } 00062 } 00063 00064 #endif // __PLANE_H