translation_sweep.cpp

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/**
 *\file         translation_sweep.cpp
 *
 *\brief        translational sweep
 *
 *\author       Xianming Chen\n
 *              Computer Science Department\n
 *              University of Utah
 *
 *\date         17 Aug 2006\n
 *              Copyright (c) 2006, University of Utah
 */


#include "euler.h"
#include "print.h"
#include <cmath>


namespace euler
{
  void solid_t :: tsweep_face(face_t* f, vector_t const& disp)
  {
    for(loop_t *l = f->l; l; l=l->nxt)
    {
      edge_t *e = l->e, *e0 = e;
      while( (e = l->mev(e, e->v->p + disp)->pre->pre) != e0 );

      e0 = e = e->pre;
      edge_t 
        *nxt_e = e->nxt->nxt->nxt,
        *end_e = mef(e, nxt_e)->e->o;
      while( (e=nxt_e) != end_e )
      {
        nxt_e = e->nxt->nxt->nxt;
        mef(e, nxt_e);
      }
    }
  }


}//end namespace euler

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