Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/particles/qquickgravity.cpp |
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1 | /**************************************************************************** | - | ||||||
2 | ** | - | ||||||
3 | ** Copyright (C) 2016 The Qt Company Ltd. | - | ||||||
4 | ** Contact: https://www.qt.io/licensing/ | - | ||||||
5 | ** | - | ||||||
6 | ** This file is part of the QtQuick module of the Qt Toolkit. | - | ||||||
7 | ** | - | ||||||
8 | ** $QT_BEGIN_LICENSE:LGPL$ | - | ||||||
9 | ** Commercial License Usage | - | ||||||
10 | ** Licensees holding valid commercial Qt licenses may use this file in | - | ||||||
11 | ** accordance with the commercial license agreement provided with the | - | ||||||
12 | ** Software or, alternatively, in accordance with the terms contained in | - | ||||||
13 | ** a written agreement between you and The Qt Company. For licensing terms | - | ||||||
14 | ** and conditions see https://www.qt.io/terms-conditions. For further | - | ||||||
15 | ** information use the contact form at https://www.qt.io/contact-us. | - | ||||||
16 | ** | - | ||||||
17 | ** GNU Lesser General Public License Usage | - | ||||||
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - | ||||||
19 | ** General Public License version 3 as published by the Free Software | - | ||||||
20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | - | ||||||
21 | ** packaging of this file. Please review the following information to | - | ||||||
22 | ** ensure the GNU Lesser General Public License version 3 requirements | - | ||||||
23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | - | ||||||
24 | ** | - | ||||||
25 | ** GNU General Public License Usage | - | ||||||
26 | ** Alternatively, this file may be used under the terms of the GNU | - | ||||||
27 | ** General Public License version 2.0 or (at your option) the GNU General | - | ||||||
28 | ** Public license version 3 or any later version approved by the KDE Free | - | ||||||
29 | ** Qt Foundation. The licenses are as published by the Free Software | - | ||||||
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | - | ||||||
31 | ** included in the packaging of this file. Please review the following | - | ||||||
32 | ** information to ensure the GNU General Public License requirements will | - | ||||||
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | - | ||||||
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | - | ||||||
35 | ** | - | ||||||
36 | ** $QT_END_LICENSE$ | - | ||||||
37 | ** | - | ||||||
38 | ****************************************************************************/ | - | ||||||
39 | - | |||||||
40 | #include <QtQml/qqmlinfo.h> | - | ||||||
41 | #include "qquickgravity_p.h" | - | ||||||
42 | #include <cmath> | - | ||||||
43 | QT_BEGIN_NAMESPACE | - | ||||||
44 | const qreal CONV = 0.017453292520444443; | - | ||||||
45 | /*! | - | ||||||
46 | \qmltype Gravity | - | ||||||
47 | \instantiates QQuickGravityAffector | - | ||||||
48 | \inqmlmodule QtQuick.Particles | - | ||||||
49 | \ingroup qtquick-particles | - | ||||||
50 | \inherits Affector | - | ||||||
51 | \brief For applying acceleration in an angle. | - | ||||||
52 | - | |||||||
53 | This element will accelerate all affected particles to a vector of | - | ||||||
54 | the specified magnitude in the specified angle. If the angle and acceleration do | - | ||||||
55 | not vary, it is more efficient to set the specified acceleration on the Emitter. | - | ||||||
56 | - | |||||||
57 | This element models the gravity of a massive object whose center of | - | ||||||
58 | gravity is far away (and thus the gravitational pull is effectively constant | - | ||||||
59 | across the scene). To model the gravity of an object near or inside the scene, | - | ||||||
60 | use PointAttractor. | - | ||||||
61 | */ | - | ||||||
62 | - | |||||||
63 | /*! | - | ||||||
64 | \qmlproperty real QtQuick.Particles::Gravity::magnitude | - | ||||||
65 | - | |||||||
66 | Pixels per second that objects will be accelerated by. | - | ||||||
67 | */ | - | ||||||
68 | void QQuickGravityAffector::setMagnitude(qreal arg) | - | ||||||
69 | { | - | ||||||
70 | if (m_magnitude != arg) {
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71 | m_magnitude = arg; | - | ||||||
72 | m_needRecalc = true; | - | ||||||
73 | emit magnitudeChanged(arg); | - | ||||||
74 | } executed 4 times by 2 tests: end of block Executed by:
| 4 | ||||||
75 | } executed 4 times by 2 tests: end of block Executed by:
| 4 | ||||||
76 | - | |||||||
77 | qreal QQuickGravityAffector::magnitude() const | - | ||||||
78 | { | - | ||||||
79 | return m_magnitude; never executed: return m_magnitude; | 0 | ||||||
80 | } | - | ||||||
81 | - | |||||||
82 | - | |||||||
83 | /*! | - | ||||||
84 | \qmlproperty real QtQuick.Particles::Gravity::acceleration | - | ||||||
85 | \deprecated | - | ||||||
86 | - | |||||||
87 | \warning The name for this property has changed to magnitude, use it instead. | - | ||||||
88 | */ | - | ||||||
89 | void QQuickGravityAffector::setAcceleration(qreal arg) | - | ||||||
90 | { | - | ||||||
91 | qmlWarning(this) << "The acceleration property is deprecated. Please use magnitude instead."; | - | ||||||
92 | setMagnitude(arg); | - | ||||||
93 | } executed 2 times by 1 test: end of block Executed by:
| 2 | ||||||
94 | - | |||||||
95 | /*! | - | ||||||
96 | \qmlproperty real QtQuick.Particles::Gravity::angle | - | ||||||
97 | - | |||||||
98 | Angle of acceleration. | - | ||||||
99 | */ | - | ||||||
100 | void QQuickGravityAffector::setAngle(qreal arg) | - | ||||||
101 | { | - | ||||||
102 | if (m_angle != arg) {
| 2 | ||||||
103 | m_angle = arg; | - | ||||||
104 | m_needRecalc = true; | - | ||||||
105 | emit angleChanged(arg); | - | ||||||
106 | } executed 2 times by 1 test: end of block Executed by:
| 2 | ||||||
107 | } executed 4 times by 2 tests: end of block Executed by:
| 4 | ||||||
108 | - | |||||||
109 | qreal QQuickGravityAffector::angle() const | - | ||||||
110 | { | - | ||||||
111 | return m_angle; never executed: return m_angle; | 0 | ||||||
112 | } | - | ||||||
113 | - | |||||||
114 | QQuickGravityAffector::QQuickGravityAffector(QQuickItem *parent) : | - | ||||||
115 | QQuickParticleAffector(parent), m_magnitude(-10), m_angle(90), m_needRecalc(true) | - | ||||||
116 | { | - | ||||||
117 | } executed 4 times by 2 tests: end of block Executed by:
| 4 | ||||||
118 | - | |||||||
119 | bool QQuickGravityAffector::affectParticle(QQuickParticleData *d, qreal dt) | - | ||||||
120 | { | - | ||||||
121 | if (!m_magnitude)
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122 | return false; never executed: return false; | 0 | ||||||
123 | if (m_needRecalc) {
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124 | m_needRecalc = false; | - | ||||||
125 | m_dx = m_magnitude * std::cos(m_angle * CONV); | - | ||||||
126 | m_dy = m_magnitude * std::sin(m_angle * CONV); | - | ||||||
127 | } executed 2 times by 1 test: end of block Executed by:
| 2 | ||||||
128 | - | |||||||
129 | d->setInstantaneousVX(d->curVX(m_system) + m_dx*dt, m_system); | - | ||||||
130 | d->setInstantaneousVY(d->curVY(m_system) + m_dy*dt, m_system); | - | ||||||
131 | return true; executed 22348 times by 1 test: return true; Executed by:
| 22348 | ||||||
132 | } | - | ||||||
133 | - | |||||||
134 | - | |||||||
135 | - | |||||||
136 | QT_END_NAMESPACE | - | ||||||
137 | - | |||||||
138 | #include "moc_qquickgravity_p.cpp" | - | ||||||
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