44 lines
1 KiB
Text
44 lines
1 KiB
Text
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/**
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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 eggGroupNode.I
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* @author drose
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* @date 1999-01-16
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*/
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/**
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* Returns true if the 2-d v1 is to the right of v2.
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*/
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INLINE bool EggGroupNode::
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is_right(const LVector2d &v1, const LVector2d &v2) {
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return (v1[0] * v2[1] - v1[1] * v2[0]) > 0;
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}
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/**
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*
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*/
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bool EggGroupNode::TBNVertexValue::
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operator < (const TBNVertexValue &other) const {
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if (_facing != other._facing) {
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return (int)_facing < (int)other._facing;
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}
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int compare = _pos.compare_to(other._pos);
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if (compare != 0) {
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return compare < 0;
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}
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compare = _normal.compare_to(other._normal);
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if (compare != 0) {
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return compare < 0;
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}
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compare = _uv.compare_to(other._uv);
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if (compare != 0) {
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return compare < 0;
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}
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return _uv_name < other._uv_name;
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}
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