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Diffstat (limited to 'src/particles/qquickpointattractor_p.h')
-rw-r--r-- | src/particles/qquickpointattractor_p.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/particles/qquickpointattractor_p.h b/src/particles/qquickpointattractor_p.h new file mode 100644 index 0000000000..85b7a9aa30 --- /dev/null +++ b/src/particles/qquickpointattractor_p.h @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** 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 ATTRACTORAFFECTOR_H +#define ATTRACTORAFFECTOR_H +#include "qquickparticleaffector_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QQuickAttractorAffector : public QQuickParticleAffector +{ + Q_OBJECT + Q_PROPERTY(qreal strength READ strength WRITE setStrength NOTIFY strengthChanged) + Q_PROPERTY(qreal pointX READ pointX WRITE setPointX NOTIFY pointXChanged) + Q_PROPERTY(qreal pointY READ pointY WRITE setPointY NOTIFY pointYChanged) + Q_PROPERTY(AffectableParameters affectedParameter READ affectedParameter WRITE setAffectedParameter NOTIFY affectedParameterChanged) + Q_PROPERTY(Proportion proportionalToDistance READ proportionalToDistance WRITE setProportionalToDistance NOTIFY proportionalToDistanceChanged) + Q_ENUMS(AffectableParameters) + Q_ENUMS(Proportion) + +public: + enum Proportion{ + Constant, + Linear, + Quadratic, + InverseLinear, + InverseQuadratic + }; + + enum AffectableParameters { + Position, + Velocity, + Acceleration + }; + + explicit QQuickAttractorAffector(QQuickItem *parent = 0); + + qreal strength() const + { + return m_strength; + } + + qreal pointX() const + { + return m_x; + } + + qreal pointY() const + { + return m_y; + } + + AffectableParameters affectedParameter() const + { + return m_physics; + } + + Proportion proportionalToDistance() const + { + return m_proportionalToDistance; + } + +signals: + + void strengthChanged(qreal arg); + + void pointXChanged(qreal arg); + + void pointYChanged(qreal arg); + + void affectedParameterChanged(AffectableParameters arg); + + void proportionalToDistanceChanged(Proportion arg); + +public slots: +void setStrength(qreal arg) +{ + if (m_strength != arg) { + m_strength = arg; + emit strengthChanged(arg); + } +} + +void setPointX(qreal arg) +{ + if (m_x != arg) { + m_x = arg; + emit pointXChanged(arg); + } +} + +void setPointY(qreal arg) +{ + if (m_y != arg) { + m_y = arg; + emit pointYChanged(arg); + } +} +void setAffectedParameter(AffectableParameters arg) +{ + if (m_physics != arg) { + m_physics = arg; + emit affectedParameterChanged(arg); + } +} + +void setProportionalToDistance(Proportion arg) +{ + if (m_proportionalToDistance != arg) { + m_proportionalToDistance = arg; + emit proportionalToDistanceChanged(arg); + } +} + +protected: + virtual bool affectParticle(QQuickParticleData *d, qreal dt); +private: +qreal m_strength; +qreal m_x; +qreal m_y; +AffectableParameters m_physics; +Proportion m_proportionalToDistance; +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // ATTRACTORAFFECTOR_H |