blob: 7c071c932d8e33c69e6a7eaa90f26e6ddbe87b56 (
plain)
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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GRAVITYAFFECTOR_H
#define GRAVITYAFFECTOR_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickparticleaffector_p.h"
QT_BEGIN_NAMESPACE
class QQuickGravityAffector : public QQuickParticleAffector
{
Q_OBJECT
Q_PROPERTY(qreal magnitude READ magnitude WRITE setMagnitude NOTIFY magnitudeChanged)
Q_PROPERTY(qreal acceleration READ magnitude WRITE setAcceleration NOTIFY magnitudeChanged)
Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
public:
explicit QQuickGravityAffector(QQuickItem *parent = 0);
qreal magnitude() const
{
return m_magnitude;
}
qreal angle() const
{
return m_angle;
}
protected:
virtual bool affectParticle(QQuickParticleData *d, qreal dt);
Q_SIGNALS:
void magnitudeChanged(qreal arg);
void angleChanged(qreal arg);
public Q_SLOTS:
void setAcceleration(qreal arg)
{
qWarning() << "Gravity::acceleration has been renamed Gravity::magnitude";
if (m_magnitude != arg) {
m_magnitude = arg;
m_needRecalc = true;
Q_EMIT magnitudeChanged(arg);
}
}
void setMagnitude(qreal arg)
{
if (m_magnitude != arg) {
m_magnitude = arg;
m_needRecalc = true;
Q_EMIT magnitudeChanged(arg);
}
}
void setAngle(qreal arg)
{
if (m_angle != arg) {
m_angle = arg;
m_needRecalc = true;
Q_EMIT angleChanged(arg);
}
}
private:
qreal m_magnitude;
qreal m_angle;
bool m_needRecalc;
qreal m_dx;
qreal m_dy;
};
QT_END_NAMESPACE
#endif // GRAVITYAFFECTOR_H
|
