#include "inputcontroller.h"

#include "magnetometercontroller.h"

#include "view.h"

#include <qmagnetometer.h>

MagnetometerController::MagnetometerController(): m_width(View::m_imageWidth){

    m_magnetometer.setProperty("returnGeoValues", true);

    m_magnetometer.connectToBackend();

    m_magnetometer.start();

    connect(&m_magnetometer, SIGNAL(readingChanged()), this, SLOT(update()));

}

MagnetometerController::~MagnetometerController(){

    m_magnetometer.stop();

    disconnect(&m_magnetometer);

}

void MagnetometerController::update()

{

    qreal azimuth = -m_magnetometer.reading()->z();

    azimuth = azimuth<0?360+azimuth:azimuth;

    m_x = (int)(-azimuth * m_width/360);

    //TODO: consider provide y values based on x and y

}