1 /****************************************************************************
3 ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
6 ** This file is part of the QtQuick module of the Qt Toolkit.
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 Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
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 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
40 ****************************************************************************/
42 #ifndef CUSTOMAFFECTOR_H
43 #define CUSTOMAFFECTOR_H
46 #include "qquickparticlesystem_p.h"
47 #include "qquickparticleextruder_p.h"
48 #include "qquickparticleaffector_p.h"
49 #include "qquickdirection_p.h"
55 class QQuickCustomAffector : public QQuickParticleAffector
58 Q_PROPERTY(bool relative READ relative WRITE setRelative NOTIFY relativeChanged)
59 Q_PROPERTY(QQuickDirection *position READ position WRITE setPosition NOTIFY positionChanged RESET positionReset)
60 Q_PROPERTY(QQuickDirection *velocity READ velocity WRITE setVelocity NOTIFY velocityChanged RESET velocityReset)
61 Q_PROPERTY(QQuickDirection *acceleration READ acceleration WRITE setAcceleration NOTIFY accelerationChanged RESET accelerationReset)
64 explicit QQuickCustomAffector(QQuickItem *parent = 0);
65 virtual void affectSystem(qreal dt);
67 QQuickDirection * position() const
72 QQuickDirection * velocity() const
77 QQuickDirection * acceleration() const
79 return m_acceleration;
84 m_position = &m_nullVector;
89 m_velocity = &m_nullVector;
92 void accelerationReset()
94 m_acceleration = &m_nullVector;
104 void affectParticles(QQmlV8Handle particles, qreal dt);
106 void positionChanged(QQuickDirection * arg);
108 void velocityChanged(QQuickDirection * arg);
110 void accelerationChanged(QQuickDirection * arg);
112 void relativeChanged(bool arg);
115 void setPosition(QQuickDirection * arg)
117 if (m_position != arg) {
119 emit positionChanged(arg);
123 void setVelocity(QQuickDirection * arg)
125 if (m_velocity != arg) {
127 emit velocityChanged(arg);
131 void setAcceleration(QQuickDirection * arg)
133 if (m_acceleration != arg) {
134 m_acceleration = arg;
135 emit accelerationChanged(arg);
139 void setRelative(bool arg)
141 if (m_relative != arg) {
143 emit relativeChanged(arg);
148 bool isAffectConnected();
149 virtual bool affectParticle(QQuickParticleData *d, qreal dt);
151 void affectProperties(const QList<QQuickParticleData*> particles, qreal dt);
152 QQuickDirection * m_position;
153 QQuickDirection * m_velocity;
154 QQuickDirection * m_acceleration;
156 QQuickDirection m_nullVector;
162 #endif // CUSTOMAFFECTOR_H