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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 __CORNER_H
#define __CORNER_H
//-- Project includes --
#include "Foundation/vec3.h"
#include "Geometry/Triangle.h"
#include "Geometry/Edge.h"
//-- STL includes --
#include <vector>
using std::vector;
/*!
\class Corner
\brief Class representing the corner of a polygon
\author Steffen Abe
$Revision$
$Date$
*/
class Corner
{
private:
Vec3 m_p;
Vec3 m_old_pos;
vector<Edge*> m_edges;
vector<Triangle*> m_triangles;
int m_id;
int m_tag;
public:
Corner(const Vec3&,int,int);
void addEdge(Edge*);
void addTriangle(Triangle*);
double sep(const Vec3&) const;
// pair<bool,double> dist(const Vec3&) const ; // signed separation according to direction of the normal
bool isValidContact(const Vec3&) const;
Vec3 getDirectionFromPoint(const Vec3&) const;
void move(const Vec3&);
Vec3 getPos()const {return m_p;};
void setPos(const Vec3 &p) {m_p = p;}
void applyForce(const Vec3 &f);
int getID() const {return m_id;};
int getTag() const {return m_tag;};
double getDistMoved() {return (m_old_pos-m_p).norm();};
void resetOldPos(){m_old_pos=m_p;};
};
#endif // __CORNER_H
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