wfmath 1.0.3
A math library for the Worldforge system.
segment_funcs.h
1// segment_funcs.h (line segment implementation)
2//
3// The WorldForge Project
4// Copyright (C) 2000, 2001 The WorldForge Project
5//
6// This program is free software; you can redistribute it and/or modify
7// it under the terms of the GNU General Public License as published by
8// the Free Software Foundation; either version 2 of the License, or
9// (at your option) any later version.
10//
11// This program is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15//
16// You should have received a copy of the GNU General Public License
17// along with this program; if not, write to the Free Software
18// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19//
20// For information about WorldForge and its authors, please contact
21// the Worldforge Web Site at http://www.worldforge.org.
22//
23
24// Author: Ron Steinke
25
26#ifndef WFMATH_SEGMENT_FUNCS_H
27#define WFMATH_SEGMENT_FUNCS_H
28
29#include <wfmath/segment.h>
30
31#include <cassert>
32
33namespace WFMath {
34
35template<int dim>
36inline Segment<dim>& Segment<dim>::moveCornerTo(const Point<dim>& p, size_t corner)
37{
38 assert(corner == 0 || corner == 1);
39
40 Vector<dim> diff = m_p2 - m_p1;
41
42 if(!corner) {
43 m_p1 = p;
44 m_p2 = p + diff;
45 }
46 else {
47 m_p2 = p;
48 m_p1 = p - diff;
49 }
50
51 return *this;
52}
53
54template<int dim>
55inline Segment<dim>& Segment<dim>::rotateCorner(const RotMatrix<dim>& m, size_t corner)
56{
57 assert(corner == 0 || corner == 1);
58
59 if(corner)
60 m_p1.rotate(m, m_p2);
61 else
62 m_p2.rotate(m, m_p1);
63
64 return *this;
65}
66
67template<>
68inline Segment<3>& Segment<3>::rotateCorner(const Quaternion& q, size_t corner)
69{
70 assert(corner == 0 || corner == 1);
71
72 if(corner)
73 m_p1.rotate(q, m_p2);
74 else
75 m_p2.rotate(q, m_p1);
76
77 return *this;
78}
79
80} // namespace WFMath
81
82#endif // WFMATH_SEGMENT_FUNCS_H
Generic library namespace.
Definition: shape.h:41