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#ifndef GRAVITYAFFECTOR_H
#define GRAVITYAFFECTOR_H
#include "particleaffector.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class GravityAffector : public ParticleAffector
{
Q_OBJECT
Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration NOTIFY accelerationChanged)
Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
public:
explicit GravityAffector(QSGItem *parent = 0);
qreal acceleration() const
{
return m_acceleration;
}
qreal angle() const
{
return m_angle;
}
protected:
virtual bool affectParticle(ParticleData *d, qreal dt);
signals:
void accelerationChanged(qreal arg);
void angleChanged(qreal arg);
public slots:
void setAcceleration(qreal arg)
{
if (m_acceleration != arg) {
m_acceleration = arg;
emit accelerationChanged(arg);
}
}
void setAngle(qreal arg)
{
if (m_angle != arg) {
m_angle = arg;
emit angleChanged(arg);
}
}
private slots:
void recalc();
private:
qreal m_acceleration;
qreal m_angle;
qreal m_xAcc;
qreal m_yAcc;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // GRAVITYAFFECTOR_H
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