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| |
| #ifndef WANDERAFFECTOR_H |
| #define WANDERAFFECTOR_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 <QHash> |
| #include "qquickparticleaffector_p.h" |
| |
| 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) |
| |
| public: |
| enum AffectableParameters { |
| Position, |
| Velocity, |
| Acceleration |
| }; |
| Q_ENUM(AffectableParameters) |
| |
| 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: |
| bool affectParticle(QQuickParticleData *d, qreal dt) override; |
| |
| Q_SIGNALS: |
| |
| void xVarianceChanged(qreal arg); |
| |
| void yVarianceChanged(qreal arg); |
| |
| void paceChanged(qreal arg); |
| |
| |
| void affectedParameterChanged(AffectableParameters arg); |
| |
| public Q_SLOTS: |
| void setXVariance(qreal arg) |
| { |
| if (m_xVariance != arg) { |
| m_xVariance = arg; |
| Q_EMIT xVarianceChanged(arg); |
| } |
| } |
| |
| void setYVariance(qreal arg) |
| { |
| if (m_yVariance != arg) { |
| m_yVariance = arg; |
| Q_EMIT yVarianceChanged(arg); |
| } |
| } |
| |
| void setPace(qreal arg) |
| { |
| if (m_pace != arg) { |
| m_pace = arg; |
| Q_EMIT paceChanged(arg); |
| } |
| } |
| |
| |
| void setAffectedParameter(AffectableParameters arg) |
| { |
| if (m_affectedParameter != arg) { |
| m_affectedParameter = arg; |
| Q_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 |
| #endif // WANDERAFFECTOR_H |