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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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qdoublevector3d.cpp
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1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3// Qt-Security score:significant reason:default
4
6#include <QtCore/qdatastream.h>
7#include <QtCore/qmath.h>
8#include <QtCore/qdebug.h>
9
11
12QDoubleVector3D QDoubleVector3D::normalized() const
13{
14 const double len = length();
15 if (qFuzzyIsNull(len - 1.0))
16 return *this;
17 else if (!qFuzzyIsNull(len))
18 return *this / len;
19 else
20 return QDoubleVector3D();
21}
22
23void QDoubleVector3D::normalize()
24{
25 double len = length();
26 if (qFuzzyIsNull(len) || qFuzzyIsNull(len - 1.0))
27 return;
28
29 xp /= len;
30 yp /= len;
31 zp /= len;
32}
33
34QDoubleVector3D QDoubleVector3D::normal(const QDoubleVector3D &v1, const QDoubleVector3D &v2)
35{
36 return crossProduct(v1, v2).normalized();
37}
38
39QDoubleVector3D QDoubleVector3D::normal
40 (const QDoubleVector3D &v1, const QDoubleVector3D &v2, const QDoubleVector3D &v3)
41{
42 return crossProduct((v2 - v1), (v3 - v1)).normalized();
43}
44
45double QDoubleVector3D::distanceToPlane
46 (const QDoubleVector3D &plane1, const QDoubleVector3D &plane2, const QDoubleVector3D &plane3) const
47{
48 QDoubleVector3D n = normal(plane2 - plane1, plane3 - plane1);
49 return dotProduct(*this - plane1, n);
50}
51
52double QDoubleVector3D::distanceToLine
53 (const QDoubleVector3D &point, const QDoubleVector3D &direction) const
54{
55 if (direction.isNull())
56 return (*this - point).length();
57 QDoubleVector3D p = point + dotProduct(*this - point, direction) * direction;
58 return (*this - p).length();
59}
60
61double QDoubleVector3D::length() const
62{
63 return qHypot(xp, yp, zp);
64}
65
66#ifndef QT_NO_DEBUG_STREAM
67
68QDebug operator<<(QDebug dbg, const QDoubleVector3D &vector)
69{
70 QDebugStateSaver saver(dbg);
71 dbg.nospace() << "QDoubleVector3D("
72 << vector.x() << ", " << vector.y() << ", " << vector.z() << ')';
73 return dbg;
74}
75
76#endif
77
78#ifndef QT_NO_DATASTREAM
79
80QDataStream &operator<<(QDataStream &stream, const QDoubleVector3D &vector)
81{
82 stream << double(vector.x()) << double(vector.y())
83 << double(vector.z());
84 return stream;
85}
86
87QDataStream &operator>>(QDataStream &stream, QDoubleVector3D &vector)
88{
89 double x, y, z;
90 stream >> x;
91 stream >> y;
92 stream >> z;
93 vector.setX(double(x));
94 vector.setY(double(y));
95 vector.setZ(double(z));
96 return stream;
97}
98
99#endif // QT_NO_DATASTREAM
100
101QT_END_NAMESPACE
Combined button and popup list for selecting options.
QDataStream & operator<<(QDataStream &stream, const QDoubleVector3D &vector)
QDebug operator<<(QDebug dbg, const QDoubleVector3D &vector)
QDataStream & operator>>(QDataStream &stream, QDoubleVector3D &vector)