| /**************************************************************************** |
| ** |
| ** 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 ATTRACTORAFFECTOR_H |
| #define ATTRACTORAFFECTOR_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 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) |
| QML_NAMED_ELEMENT(Attractor) |
| |
| public: |
| enum Proportion{ |
| Constant, |
| Linear, |
| Quadratic, |
| InverseLinear, |
| InverseQuadratic |
| }; |
| Q_ENUM(Proportion) |
| |
| enum AffectableParameters { |
| Position, |
| Velocity, |
| Acceleration |
| }; |
| Q_ENUM(AffectableParameters) |
| |
| 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; |
| } |
| |
| Q_SIGNALS: |
| |
| void strengthChanged(qreal arg); |
| |
| void pointXChanged(qreal arg); |
| |
| void pointYChanged(qreal arg); |
| |
| void affectedParameterChanged(AffectableParameters arg); |
| |
| void proportionalToDistanceChanged(Proportion arg); |
| |
| public Q_SLOTS: |
| void setStrength(qreal arg) |
| { |
| if (m_strength != arg) { |
| m_strength = arg; |
| Q_EMIT strengthChanged(arg); |
| } |
| } |
| |
| void setPointX(qreal arg) |
| { |
| if (m_x != arg) { |
| m_x = arg; |
| Q_EMIT pointXChanged(arg); |
| } |
| } |
| |
| void setPointY(qreal arg) |
| { |
| if (m_y != arg) { |
| m_y = arg; |
| Q_EMIT pointYChanged(arg); |
| } |
| } |
| void setAffectedParameter(AffectableParameters arg) |
| { |
| if (m_physics != arg) { |
| m_physics = arg; |
| Q_EMIT affectedParameterChanged(arg); |
| } |
| } |
| |
| void setProportionalToDistance(Proportion arg) |
| { |
| if (m_proportionalToDistance != arg) { |
| m_proportionalToDistance = arg; |
| Q_EMIT proportionalToDistanceChanged(arg); |
| } |
| } |
| |
| protected: |
| bool affectParticle(QQuickParticleData *d, qreal dt) override; |
| |
| private: |
| qreal m_strength; |
| qreal m_x; |
| qreal m_y; |
| AffectableParameters m_physics; |
| Proportion m_proportionalToDistance; |
| }; |
| |
| QT_END_NAMESPACE |
| #endif // ATTRACTORAFFECTOR_H |