diff options
author | Matthew Vogt <matthew.vogt@nokia.com> | 2012-04-11 16:54:33 +1000 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-04-16 01:25:54 +0200 |
commit | f189b8934dc405cbd45258abc5aba2713428b1cc (patch) | |
tree | dd3d4f61c7337343705faf7a603585c287b8ae50 /src/particles/qquickgravity_p.h | |
parent | e00c40a89a1172add896e86e805a7cd42a4ea0c5 (diff) |
Extract Particles code to an independent library
QtQuick clients that do not use particles features should not have
to load these classes.
Task-number: QTBUG-25178
Change-Id: Ib15f7655dc4d821595e06f9160d2770375279027
Reviewed-by: Glenn Watson <glenn.watson@nokia.com>
Diffstat (limited to 'src/particles/qquickgravity_p.h')
-rw-r--r-- | src/particles/qquickgravity_p.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/particles/qquickgravity_p.h b/src/particles/qquickgravity_p.h new file mode 100644 index 0000000000..a738fd3ef3 --- /dev/null +++ b/src/particles/qquickgravity_p.h @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef GRAVITYAFFECTOR_H +#define GRAVITYAFFECTOR_H +#include "qquickparticleaffector_p.h" + +QT_BEGIN_HEADER + +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); +signals: + + void magnitudeChanged(qreal arg); + + void angleChanged(qreal arg); + +public slots: +void setAcceleration(qreal arg) +{ + qWarning() << "Gravity::acceleration has been renamed Gravity::magnitude"; + if (m_magnitude != arg) { + m_magnitude = arg; + m_needRecalc = true; + emit magnitudeChanged(arg); + } +} + +void setMagnitude(qreal arg) +{ + if (m_magnitude != arg) { + m_magnitude = arg; + m_needRecalc = true; + emit magnitudeChanged(arg); + } +} + +void setAngle(qreal arg) +{ + if (m_angle != arg) { + m_angle = arg; + m_needRecalc = true; + emit angleChanged(arg); + } +} + +private: + qreal m_magnitude; + qreal m_angle; + + bool m_needRecalc; + qreal m_dx; + qreal m_dy; +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // GRAVITYAFFECTOR_H |