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#ifndef WANDERAFFECTOR_H
#define WANDERAFFECTOR_H
#include <QHash>
#include "particleaffector.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class SpriteEmitter;
struct WanderData{
qreal x_vel;
qreal y_vel;
qreal x_peak;
qreal x_var;
qreal y_peak;
qreal y_var;
};
class WanderAffector : public ParticleAffector
{
Q_OBJECT
Q_PROPERTY(qreal xVariance READ xVariance WRITE setXVariance NOTIFY xVarianceChanged)
Q_PROPERTY(qreal yVariance READ yVariance WRITE setYVariance NOTIFY yVarianceChanged)
Q_PROPERTY(qreal pace READ pace WRITE setPace NOTIFY paceChanged)
public:
explicit WanderAffector(QSGItem *parent = 0);
~WanderAffector();
virtual void reset(int systemIdx);
qreal xVariance() const
{
return m_xVariance;
}
qreal yVariance() const
{
return m_yVariance;
}
qreal pace() const
{
return m_pace;
}
protected:
virtual bool affectParticle(ParticleData *d, qreal dt);
signals:
void xVarianceChanged(qreal arg);
void yVarianceChanged(qreal arg);
void paceChanged(qreal 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);
}
}
private:
WanderData* getData(int idx);
QHash<int, WanderData*> m_wanderData;
qreal m_xVariance;
qreal m_yVariance;
qreal m_pace;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // WANDERAFFECTOR_H
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