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#include "resetaffector.h"
#include <cmath>
QT_BEGIN_NAMESPACE
ResetAffector::ResetAffector(QSGItem *parent) :
    ParticleAffector(parent)
{
}

void ResetAffector::reset(int idx)
{
    ParticleAffector::reset(idx);
    if(m_data[idx])
        delete m_data[idx];
    m_data.insert(idx, 0);//TODO: Either load with data now, or get data next tick whether active or not
}

bool ResetAffector::affectParticle(ParticleData *d, qreal dt)
{
    TrajectoryData* trajectory;
    if(m_data[d->systemIndex]){
        trajectory = m_data[d->systemIndex];
        //TODO: Faster to calculate once (not 4 times)
        d->setInstantaneousSX(trajectory->sx);
        d->setInstantaneousSY(trajectory->sy);
        d->setInstantaneousAX(trajectory->ax);
        d->setInstantaneousAY(trajectory->ay);
    }else{
        trajectory = new TrajectoryData;
    }
    trajectory->sx = d->pv.sx;
    trajectory->sy = d->pv.sy;
    trajectory->ax = d->pv.ax;
    trajectory->ay = d->pv.ay;
    m_data.insert(d->systemIndex, trajectory);//overwrites
    return true;
}
QT_END_NAMESPACE