dxfVertex.cxx

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file dxfVertex.cxx
 * @author drose
 * @date 2004-05-04
 */

#include "dxfVertex.h"

/**
 * This defines a unique ordering for vertices so that the DXFVertexMap can
 * group identical vertices together.
 */
int DXFVertex::
operator < (const DXFVertex &other) const {
  if (fabs(_p[0] - other._p[0]) > 0.0001) {
    return _p[0] < other._p[0];
  } else if (fabs(_p[1] - other._p[1]) > 0.0001) {
    return _p[1] < other._p[1];
  } else if (fabs(_p[2] - other._p[2]) > 0.0001) {
    return _p[2] < other._p[2];
  }

  return false;
}