73 lines
1.8 KiB
Text
73 lines
1.8 KiB
Text
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file eggMesherFanMaker.I
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* @author drose
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* @date 2005-03-22
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*/
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/**
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* Provides a unique ordering between different fan makers based on the
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* leading edge.
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*/
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INLINE bool EggMesherFanMaker::
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operator < (const EggMesherFanMaker &other) const {
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nassertr(!_edges.empty() && !other._edges.empty(), false);
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return _edges.front() < other._edges.front();
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}
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/**
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* Provides a unique ordering between different fan makers based on the
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* leading edge.
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*/
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INLINE bool EggMesherFanMaker::
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operator != (const EggMesherFanMaker &other) const {
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return !operator == (other);
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}
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/**
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* Provides a unique ordering between different fan makers based on the
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* leading edge.
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*/
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INLINE bool EggMesherFanMaker::
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operator == (const EggMesherFanMaker &other) const {
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return _edges.front() == other._edges.front();
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}
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/**
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* Returns true if the fan maker has no edges, false otherwise.
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*/
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INLINE bool EggMesherFanMaker::
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is_empty() const {
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return (_edges.empty());
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}
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/**
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* Returns true if the fan maker has enough edges to define at least one fan,
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* false otherwise.
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*/
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INLINE bool EggMesherFanMaker::
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is_valid() const {
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return (_edges.size() > 2);
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}
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/**
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* Returns true if the strip and the other strip are coplanar.
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*/
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INLINE bool EggMesherFanMaker::
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is_coplanar_with(const EggMesherFanMaker &other) const {
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return _planar && other._planar &&
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_strips.front()->is_coplanar_with(*other._strips.front(),
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egg_coplanar_threshold);
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}
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INLINE std::ostream &
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operator << (std::ostream &out, const EggMesherFanMaker &fm) {
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fm.output(out);
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return out;
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}
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