Method CalcDistRect

src/Tracker/track.cpp:134–152

\brief CTrack::CalcDistRect \param reg \return

/// \return
///
track_t CTrack::CalcDistRect(const CRegion& reg) const
{
    std::array<track_t, 5> diff;
    diff[0] = reg.m_rrect.center.x - m_lastRegion.m_rrect.center.x;
    diff[1] = reg.m_rrect.center.y - m_lastRegion.m_rrect.center.y;
    diff[2] = static_cast<track_t>(m_lastRegion.m_rrect.size.width - reg.m_rrect.size.width);
    diff[3] = static_cast<track_t>(m_lastRegion.m_rrect.size.height - reg.m_rrect.size.height);
    diff[4] = static_cast<track_t>(m_lastRegion.m_rrect.angle - reg.m_rrect.angle);

    track_t dist = 0;
    for (size_t i = 0; i < diff.size(); ++i)
    {
        dist += sqr(diff[i]);
    }
    if constexpr (sizeof(track_t) == sizeof(float))
        return sqrtf(dist);
    else
        return sqrt(dist);
}

///
/// \brief CTrack::CalcDistJaccard