Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/particles/qquicktargetdirection.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 "qquicktargetdirection_p.h" | - | ||||||
41 | #include "qquickparticleemitter_p.h" | - | ||||||
42 | #include <cmath> | - | ||||||
43 | #include <QDebug> | - | ||||||
44 | #include <QRandomGenerator> | - | ||||||
45 | - | |||||||
46 | QT_BEGIN_NAMESPACE | - | ||||||
47 | /*! | - | ||||||
48 | \qmltype TargetDirection | - | ||||||
49 | \instantiates QQuickTargetDirection | - | ||||||
50 | \inqmlmodule QtQuick.Particles | - | ||||||
51 | \ingroup qtquick-particles | - | ||||||
52 | \inherits Direction | - | ||||||
53 | \brief For specifying a direction towards the target point. | - | ||||||
54 | - | |||||||
55 | */ | - | ||||||
56 | /*! | - | ||||||
57 | \qmlproperty real QtQuick.Particles::TargetDirection::targetX | - | ||||||
58 | */ | - | ||||||
59 | /*! | - | ||||||
60 | \qmlproperty real QtQuick.Particles::TargetDirection::targetY | - | ||||||
61 | */ | - | ||||||
62 | /*! | - | ||||||
63 | \qmlproperty Item QtQuick.Particles::TargetDirection::targetItem | - | ||||||
64 | If specified, this will take precedence over targetX and targetY. | - | ||||||
65 | The targeted point will be the center of the specified Item | - | ||||||
66 | */ | - | ||||||
67 | /*! | - | ||||||
68 | \qmlproperty real QtQuick.Particles::TargetDirection::targetVariation | - | ||||||
69 | */ | - | ||||||
70 | /*! | - | ||||||
71 | \qmlproperty real QtQuick.Particles::TargetDirection::magnitude | - | ||||||
72 | */ | - | ||||||
73 | /*! | - | ||||||
74 | \qmlproperty real QtQuick.Particles::TargetDirection::magnitudeVariation | - | ||||||
75 | */ | - | ||||||
76 | /*! | - | ||||||
77 | \qmlproperty bool QtQuick.Particles::TargetDirection::proportionalMagnitude | - | ||||||
78 | - | |||||||
79 | If true, then the value of magnitude and magnitudeVariation shall be interpreted as multiples | - | ||||||
80 | of the distance between the source point and the target point, per second. | - | ||||||
81 | - | |||||||
82 | If false(default), then the value of magnitude and magnitudeVariation shall be interpreted as | - | ||||||
83 | pixels per second. | - | ||||||
84 | */ | - | ||||||
85 | - | |||||||
86 | QQuickTargetDirection::QQuickTargetDirection(QObject *parent) : | - | ||||||
87 | QQuickDirection(parent) | - | ||||||
88 | , m_targetX(0) | - | ||||||
89 | , m_targetY(0) | - | ||||||
90 | , m_targetVariation(0) | - | ||||||
91 | , m_proportionalMagnitude(false) | - | ||||||
92 | , m_magnitude(0) | - | ||||||
93 | , m_magnitudeVariation(0) | - | ||||||
94 | , m_targetItem(nullptr) | - | ||||||
95 | { | - | ||||||
96 | } executed 16 times by 2 tests: end of block Executed by:
| 16 | ||||||
97 | - | |||||||
98 | QPointF QQuickTargetDirection::sample(const QPointF &from) | - | ||||||
99 | { | - | ||||||
100 | //###This approach loses interpolating the last position of the target (like we could with the emitter) is it worthwhile? | - | ||||||
101 | QPointF ret; | - | ||||||
102 | qreal targetX; | - | ||||||
103 | qreal targetY; | - | ||||||
104 | if (m_targetItem){
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105 | QQuickParticleEmitter* parentEmitter = qobject_cast<QQuickParticleEmitter*>(parent()); | - | ||||||
106 | targetX = m_targetItem->width()/2; | - | ||||||
107 | targetY = m_targetItem->height()/2; | - | ||||||
108 | if (!parentEmitter){
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109 | qWarning() << "Directed vector is not a child of the emitter. Mapping of target item coordinates may fail."; | - | ||||||
110 | targetX += m_targetItem->x(); | - | ||||||
111 | targetY += m_targetItem->y(); | - | ||||||
112 | }else{ never executed: end of block | 0 | ||||||
113 | ret = parentEmitter->mapFromItem(m_targetItem, QPointF(targetX, targetY)); | - | ||||||
114 | targetX = ret.x(); | - | ||||||
115 | targetY = ret.y(); | - | ||||||
116 | } executed 1216 times by 1 test: end of block Executed by:
| 1216 | ||||||
117 | }else{ | - | ||||||
118 | targetX = m_targetX; | - | ||||||
119 | targetY = m_targetY; | - | ||||||
120 | } never executed: end of block | 0 | ||||||
121 | targetX += 0 - from.x() - m_targetVariation + QRandomGenerator::global()->generateDouble() * m_targetVariation*2; | - | ||||||
122 | targetY += 0 - from.y() - m_targetVariation + QRandomGenerator::global()->generateDouble() * m_targetVariation*2; | - | ||||||
123 | qreal theta = std::atan2(targetY, targetX); | - | ||||||
124 | qreal mag = m_magnitude + QRandomGenerator::global()->generateDouble() * m_magnitudeVariation * 2 - m_magnitudeVariation; | - | ||||||
125 | if (m_proportionalMagnitude)
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126 | mag *= std::sqrt(targetX * targetX + targetY * targetY); executed 1216 times by 1 test: mag *= std::sqrt(targetX * targetX + targetY * targetY); Executed by:
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127 | ret.setX(mag * std::cos(theta)); | - | ||||||
128 | ret.setY(mag * std::sin(theta)); | - | ||||||
129 | return ret; executed 1216 times by 1 test: return ret; Executed by:
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130 | } | - | ||||||
131 | - | |||||||
132 | QT_END_NAMESPACE | - | ||||||
133 | - | |||||||
134 | #include "moc_qquicktargetdirection_p.cpp" | - | ||||||
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