wfmath  1.0.3
A math library for the Worldforge system.
ball.cpp
1 // vector.cpp (Vector<> implementation)
2 //
3 // The WorldForge Project
4 // Copyright (C) 2011 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 // Author: Alistair Riddoch
24 // Created: 2011-1-27
25 
26 // Extensive amounts of this material come from the Vector2D
27 // and Vector3D classes from stage/math, written by Bryce W.
28 // Harrington, Kosh, and Jari Sundell (Rakshasa).
29 
30 #include "ball_funcs.h"
31 #include "miniball_funcs.h"
32 #include "vector.h"
33 
34 #include <vector>
35 #include <cmath>
36 
37 namespace WFMath {
38 
39 template<> Ball<3>& Ball<3>::rotateCorner(const Quaternion&, size_t)
40 {
41  return *this;
42 }
43 
44 template<> Ball<3>& Ball<3>::rotateCenter(const Quaternion&)
45 {
46  return *this;
47 }
48 
49 template<> Ball<3>& Ball<3>::rotatePoint(const Quaternion& q, const Point<3>& p)
50 {
51  m_center.rotate(q, p); return *this;
52 }
53 
54 template<> Ball<3> Ball<3>::toParentCoords(const Point<3>& origin,
55  const Quaternion& rotation) const
56 {
57  return Ball<3>(m_center.toParentCoords(origin, rotation), m_radius);
58 }
59 
60 template<> Ball<3> Ball<3>::toLocalCoords(const Point<3>& origin,
61  const Quaternion& rotation) const
62 {
63  return Ball<3>(m_center.toLocalCoords(origin, rotation), m_radius);
64 }
65 
66 template Ball<2> BoundingSphere<2, std::vector>(std::vector<Point<2>,
67  std::allocator<Point<2> > > const&);
68 
69 template Ball<2> BoundingSphereSloppy<2, std::vector>(std::vector<Point<2>,
70  std::allocator<Point<2> > > const&);
71 
72 template Ball<3> BoundingSphere<3, std::vector>(std::vector<Point<3>,
73  std::allocator<Point<3> > > const&);
74 
75 template Ball<3> BoundingSphereSloppy<3, std::vector>(std::vector<Point<3>,
76  std::allocator<Point<3> > > const&);
77 
78 template Ball<2> Point<2>::boundingSphere() const;
79 template Ball<2> Point<2>::boundingSphereSloppy() const;
80 
81 template Ball<3> Point<3>::boundingSphere() const;
82 template Ball<3> Point<3>::boundingSphereSloppy() const;
83 
84 template class Ball<2>;
85 template class Ball<3>;
86 
87 static_assert(std::is_standard_layout<Ball<3>>::value, "Ball should be standard layout.");
88 static_assert(std::is_trivially_copyable<Ball<3>>::value, "Ball should be trivially copyable.");
89 
90 static_assert(std::is_standard_layout<Ball<2>>::value, "Ball should be standard layout.");
91 static_assert(std::is_trivially_copyable<Ball<2>>::value, "Ball should be trivially copyable.");
92 }
WFMath
Generic library namespace.
Definition: shape.h:41