face.h

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/* Copyright (C) 2004 Luiz Velho. */

#ifndef FACE_H
#define FACE_H

namespace A48 {

class Face {
  friend class Mesh;

  Hedge  *e_; 

 public:
  Face(Hedge* e0, Hedge* e1, Hedge* e2) { reuse(e0, e1, e2); };

  Hedge* hedge(int k);

  Vertex* vertex(int k);

  int level();

  bool is_inbase();

  Hedge* subd_edge() { return hedge(0); };

  Vertex* weld_vertex() { return vertex(0); };

 private:
         
  void set_hedge(int k, Hedge* h);

  void set_vertex(int k, Vertex* v);

  void link_star_verts();

  Face* reuse(Hedge *e0, Hedge *e1, Hedge *e2);
};

}

#endif

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