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| |
| #ifndef PARTICLEAFFECTOR_H |
| #define PARTICLEAFFECTOR_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 <QObject> |
| #include "qquickparticlesystem_p.h" |
| #include "qquickparticleextruder_p.h" |
| #include "qtquickparticlesglobal_p.h" |
| #include "qquickparticleflatset_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class Q_QUICKPARTICLES_PRIVATE_EXPORT QQuickParticleAffector : public QQuickItem |
| { |
| Q_OBJECT |
| Q_PROPERTY(QQuickParticleSystem* system READ system WRITE setSystem NOTIFY systemChanged) |
| Q_PROPERTY(QStringList groups READ groups WRITE setGroups NOTIFY groupsChanged) |
| Q_PROPERTY(QStringList whenCollidingWith READ whenCollidingWith WRITE setWhenCollidingWith NOTIFY whenCollidingWithChanged) |
| Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged) |
| Q_PROPERTY(bool once READ onceOff WRITE setOnceOff NOTIFY onceChanged) |
| Q_PROPERTY(QQuickParticleExtruder* shape READ shape WRITE setShape NOTIFY shapeChanged) |
| |
| QML_NAMED_ELEMENT(ParticleAffector) |
| QML_UNCREATABLE("Abstract type. Use one of the inheriting types instead.") |
| |
| public: |
| explicit QQuickParticleAffector(QQuickItem *parent = 0); |
| virtual void affectSystem(qreal dt); |
| virtual void reset(QQuickParticleData*);//As some store their own data per particle? |
| QQuickParticleSystem* system() const |
| { |
| return m_system; |
| } |
| |
| QStringList groups() const |
| { |
| return m_groups; |
| } |
| |
| bool enabled() const |
| { |
| return m_enabled; |
| } |
| |
| bool onceOff() const |
| { |
| return m_onceOff; |
| } |
| |
| QQuickParticleExtruder* shape() const |
| { |
| return m_shape; |
| } |
| |
| QStringList whenCollidingWith() const |
| { |
| return m_whenCollidingWith; |
| } |
| |
| Q_SIGNALS: |
| |
| void systemChanged(QQuickParticleSystem* arg); |
| |
| void groupsChanged(const QStringList &arg); |
| |
| void enabledChanged(bool arg); |
| |
| void onceChanged(bool arg); |
| |
| void shapeChanged(QQuickParticleExtruder* arg); |
| |
| void affected(qreal x, qreal y); |
| |
| void whenCollidingWithChanged(const QStringList &arg); |
| |
| public Q_SLOTS: |
| void setSystem(QQuickParticleSystem* arg) |
| { |
| if (m_system != arg) { |
| m_system = arg; |
| m_system->registerParticleAffector(this); |
| Q_EMIT systemChanged(arg); |
| } |
| } |
| |
| void setGroups(const QStringList &arg) |
| { |
| if (m_groups != arg) { |
| m_groups = arg; |
| m_updateIntSet = true; |
| Q_EMIT groupsChanged(arg); |
| } |
| } |
| |
| void setEnabled(bool arg) |
| { |
| if (m_enabled != arg) { |
| m_enabled = arg; |
| Q_EMIT enabledChanged(arg); |
| } |
| } |
| |
| void setOnceOff(bool arg) |
| { |
| if (m_onceOff != arg) { |
| m_onceOff = arg; |
| m_needsReset = true; |
| Q_EMIT onceChanged(arg); |
| } |
| } |
| |
| void setShape(QQuickParticleExtruder* arg) |
| { |
| if (m_shape != arg) { |
| m_shape = arg; |
| Q_EMIT shapeChanged(arg); |
| } |
| } |
| |
| void setWhenCollidingWith(const QStringList &arg) |
| { |
| if (m_whenCollidingWith != arg) { |
| m_whenCollidingWith = arg; |
| Q_EMIT whenCollidingWithChanged(arg); |
| } |
| } |
| public Q_SLOTS: |
| void updateOffsets(); |
| |
| protected: |
| friend class QQuickParticleSystem; |
| virtual bool affectParticle(QQuickParticleData *d, qreal dt); |
| bool m_needsReset:1;//### What is this really saving? |
| bool m_ignoresTime:1; |
| bool m_onceOff:1; |
| bool m_enabled:1; |
| |
| QQuickParticleSystem* m_system; |
| QStringList m_groups; |
| bool activeGroup(int g); |
| bool shouldAffect(QQuickParticleData* datum);//Call to do the logic on whether it is affecting that datum |
| void postAffect(QQuickParticleData* datum);//Call to do the post-affect logic on particles which WERE affected(once off, needs reset, affected signal) |
| void componentComplete() override; |
| bool isAffectedConnected(); |
| static const qreal simulationDelta; |
| static const qreal simulationCutoff; |
| |
| QPointF m_offset; |
| QtQuickParticlesPrivate::QFlatSet<QPair<int, int>> m_onceOffed; |
| private: |
| QSet<int> m_groupIds; |
| bool m_updateIntSet; |
| |
| QQuickParticleExtruder* m_shape; |
| |
| QStringList m_whenCollidingWith; |
| |
| bool isColliding(QQuickParticleData* d) const; |
| }; |
| |
| QT_END_NAMESPACE |
| #endif // PARTICLEAFFECTOR_H |