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Diffstat (limited to 'src/particles/qquickwander_p.h')
-rw-r--r-- | src/particles/qquickwander_p.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/particles/qquickwander_p.h b/src/particles/qquickwander_p.h new file mode 100644 index 0000000000..bb418f7912 --- /dev/null +++ b/src/particles/qquickwander_p.h @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** 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 WANDERAFFECTOR_H +#define WANDERAFFECTOR_H +#include <QHash> +#include "qquickparticleaffector_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +struct WanderData{ + qreal x_vel; + qreal y_vel; + qreal x_peak; + qreal x_var; + qreal y_peak; + qreal y_var; +}; + +class QQuickWanderAffector : public QQuickParticleAffector +{ + Q_OBJECT + Q_PROPERTY(qreal pace READ pace WRITE setPace NOTIFY paceChanged) + Q_PROPERTY(qreal xVariance READ xVariance WRITE setXVariance NOTIFY xVarianceChanged) + Q_PROPERTY(qreal yVariance READ yVariance WRITE setYVariance NOTIFY yVarianceChanged) + Q_PROPERTY(AffectableParameters affectedParameter READ affectedParameter WRITE setAffectedParameter NOTIFY affectedParameterChanged) + Q_ENUMS(AffectableParameters) + +public: + enum AffectableParameters { + Position, + Velocity, + Acceleration + }; + + explicit QQuickWanderAffector(QQuickItem *parent = 0); + ~QQuickWanderAffector(); +// virtual void reset(int systemIdx); + + qreal xVariance() const + { + return m_xVariance; + } + + qreal yVariance() const + { + return m_yVariance; + } + + qreal pace() const + { + return m_pace; + } + + AffectableParameters affectedParameter() const + { + return m_affectedParameter; + } + +protected: + virtual bool affectParticle(QQuickParticleData *d, qreal dt); +signals: + + void xVarianceChanged(qreal arg); + + void yVarianceChanged(qreal arg); + + void paceChanged(qreal arg); + + + void affectedParameterChanged(AffectableParameters arg); + +public slots: +void setXVariance(qreal arg) +{ + if (m_xVariance != arg) { + m_xVariance = arg; + emit xVarianceChanged(arg); + } +} + +void setYVariance(qreal arg) +{ + if (m_yVariance != arg) { + m_yVariance = arg; + emit yVarianceChanged(arg); + } +} + +void setPace(qreal arg) +{ + if (m_pace != arg) { + m_pace = arg; + emit paceChanged(arg); + } +} + + +void setAffectedParameter(AffectableParameters arg) +{ + if (m_affectedParameter != arg) { + m_affectedParameter = arg; + emit affectedParameterChanged(arg); + } +} + +private: + WanderData* getData(int idx); + QHash<int, WanderData*> m_wanderData; + qreal m_xVariance; + qreal m_yVariance; + qreal m_pace; + AffectableParameters m_affectedParameter; +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // WANDERAFFECTOR_H |