Panda3D
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eggMesherEdge.cxx
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file eggMesherEdge.cxx
10 * @author drose
11 * @date 2005-03-13
12 */
13
14#include "eggMesherEdge.h"
15#include "eggMesherStrip.h"
16
17/**
18 * Removes an edge from a particular strip.
19 */
21remove(EggMesherStrip *strip) {
22 strip->_edges.remove(this);
23 strip->_edges.remove(_opposite);
24
25 _strips.remove(strip);
26 _opposite->_strips.remove(strip);
27}
28
29/**
30 * Reparents the edge from strip "from" to strip "to".
31 */
34 Strips::iterator si;
35
36 for (si = _strips.begin(); si != _strips.end(); ++si) {
37 if (*si == from) {
38 *si = to;
39 }
40 }
41
42 for (si = _opposite->_strips.begin();
43 si != _opposite->_strips.end();
44 ++si) {
45 if (*si == from) {
46 *si = to;
47 }
48 }
49}
50
51/**
52 * Formats the edge for output in some sensible way.
53 */
55output(std::ostream &out) const {
56 out << "Edge [" << _vi_a << " to " << _vi_b << "], "
57 << _strips.size() << " strips:";
58
59 Strips::const_iterator si;
60 for (si = _strips.begin(); si != _strips.end(); ++si) {
61 out << " " << (*si)->_index;
62 }
63
64 if (_opposite!=nullptr) {
65 out << " opposite "
66 << _opposite->_strips.size() << " strips:";
67
68 for (si = _opposite->_strips.begin();
69 si != _opposite->_strips.end();
70 ++si) {
71 out << " " << (*si)->_index;
72 }
73 }
74}
void remove(EggMesherStrip *strip)
Removes an edge from a particular strip.
void change_strip(EggMesherStrip *from, EggMesherStrip *to)
Reparents the edge from strip "from" to strip "to".
void output(std::ostream &out) const
Formats the edge for output in some sensible way.
Represents a triangle strip or quad strip in progress, as assembled by the mesher.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.