50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
// Filename: eggGroupNode.I
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// Created by: drose (16Jan99)
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//
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////////////////////////////////////////////////////////////////////
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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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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: EggGroupNode::is_right
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// Access: Private, Static
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// Description: 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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// Function: EggGroupNode::TBNVertexValue::operator <
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// Access: Public
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// Description:
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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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