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qdoublevector3d.cpp
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#
include
"qdoublevector3d_p.h"
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#
include
<
QtCore
/
qdatastream
.
h
>
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#
include
<
QtCore
/
qmath
.
h
>
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#
include
<
QtCore
/
qdebug
.
h
>
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QT_BEGIN_NAMESPACE
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QDoubleVector3D QDoubleVector3D::normalized()
const
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{
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const
double
len = length();
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if
(qFuzzyIsNull(len - 1.0))
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return
*
this
;
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else
if
(!qFuzzyIsNull(len))
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return
*
this
/ len;
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else
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return
QDoubleVector3D();
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}
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void
QDoubleVector3D::normalize()
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{
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double
len = length();
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if
(qFuzzyIsNull(len) || qFuzzyIsNull(len - 1.0))
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return
;
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xp /= len;
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yp /= len;
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zp /= len;
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}
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QDoubleVector3D QDoubleVector3D::normal(
const
QDoubleVector3D &v1,
const
QDoubleVector3D &v2)
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{
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return
crossProduct(v1, v2).normalized();
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}
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QDoubleVector3D QDoubleVector3D::normal
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(
const
QDoubleVector3D &v1,
const
QDoubleVector3D &v2,
const
QDoubleVector3D &v3)
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{
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return
crossProduct((v2 - v1), (v3 - v1)).normalized();
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}
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double
QDoubleVector3D::distanceToPlane
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(
const
QDoubleVector3D &plane1,
const
QDoubleVector3D &plane2,
const
QDoubleVector3D &plane3)
const
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{
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QDoubleVector3D n = normal(plane2 - plane1, plane3 - plane1);
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return
dotProduct(*
this
- plane1, n);
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}
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double
QDoubleVector3D::distanceToLine
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(
const
QDoubleVector3D &point,
const
QDoubleVector3D &direction)
const
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{
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if
(direction.isNull())
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return
(*
this
- point).length();
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QDoubleVector3D p = point + dotProduct(*
this
- point, direction) * direction;
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return
(*
this
- p).length();
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}
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double
QDoubleVector3D::length()
const
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{
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return
qHypot(xp, yp, zp);
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}
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#
ifndef
QT_NO_DEBUG_STREAM
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QDebug
operator
<<(QDebug dbg,
const
QDoubleVector3D &vector)
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{
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QDebugStateSaver saver(dbg);
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dbg.nospace() <<
"QDoubleVector3D("
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<< vector.x() <<
", "
<< vector.y() <<
", "
<< vector.z() <<
')'
;
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return
dbg;
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}
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#
endif
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#
ifndef
QT_NO_DATASTREAM
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QDataStream
&
operator
<<(QDataStream &stream,
const
QDoubleVector3D &vector)
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{
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stream <<
double
(vector.x()) <<
double
(vector.y())
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<<
double
(vector.z());
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return
stream;
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}
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QDataStream
&
operator
>>(QDataStream &stream, QDoubleVector3D &vector)
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{
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double
x, y, z;
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stream >> x;
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stream >> y;
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stream >> z;
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vector.setX(
double
(x));
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vector.setY(
double
(y));
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vector.setZ(
double
(z));
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return
stream;
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}
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#
endif
// QT_NO_DATASTREAM
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QT_END_NAMESPACE
QT_BEGIN_NAMESPACE
Combined button and popup list for selecting options.
Definition
qrandomaccessasyncfile_darwin.mm:17
operator<<
QDataStream & operator<<(QDataStream &stream, const QDoubleVector3D &vector)
Definition
qdoublevector3d.cpp:79
operator<<
QDebug operator<<(QDebug dbg, const QDoubleVector3D &vector)
Definition
qdoublevector3d.cpp:67
operator>>
QDataStream & operator>>(QDataStream &stream, QDoubleVector3D &vector)
Definition
qdoublevector3d.cpp:86
qtpositioning
src
positioning
qdoublevector3d.cpp
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