1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2017 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
/////////////////////////////////////////////////////////////
#include "Foundation/BoundingSphere.h"
namespace esys
{
namespace lsm
{
BoundingSphere::BoundingSphere()
: m_centre(Vec3::ZERO),
m_radius(0.0)
{
}
BoundingSphere::BoundingSphere(const Vec3 ¢re, double radius)
: m_centre(centre),
m_radius(radius)
{
}
BoundingSphere::~BoundingSphere()
{
}
const Vec3 &BoundingSphere::getCentre() const
{
return m_centre;
}
double BoundingSphere::getRadius() const
{
return m_radius;
}
BoundingBox BoundingSphere::getBBox() const
{
return BoundingBox(getCentre()-getRadius(), getCentre()+getRadius());
}
BoundingBox BoundingSphere::get2dBBox() const
{
return
BoundingBox(
Vec3(getCentre()[0]-getRadius(), getCentre()[1]-getRadius(), 0.0),
Vec3(getCentre()[0]+getRadius(), getCentre()[1]+getRadius(), 0.0)
);
}
bool BoundingSphere::operator==(const BoundingSphere &bSphere) const
{
return
(
(getCentre() == bSphere.getCentre())
&&
(getRadius() == bSphere.getRadius())
);
}
bool BoundingSphere::contains(const Vec3 &pt, double tolerance) const
{
const double r = (getRadius() + tolerance);
return ((getCentre()-pt).norm2() <= (r*r));
}
bool BoundingSphere::contains(
const BoundingSphere &bSphere,
double tolerance
) const
{
const double r = (getRadius()-bSphere.getRadius() + tolerance);
return ((getCentre()-bSphere.getCentre()).norm2() <= (r*r));
}
std::ostream &operator<<(std::ostream &oStream, const BoundingSphere &bSphere)
{
oStream << bSphere.getCentre() << " " << bSphere.getRadius();
return oStream;
}
}
}
|
