bool
AATPoint::close_to_target(const AIRCRAFT_STATE& state, const fixed threshold) const
{
if (!valid())
return false;
return (double_leg_distance(m_target_location)-double_leg_distance(state.Location)
<= threshold);
}
bool
AATPoint::check_target_inside(const AIRCRAFT_STATE& state)
{
// target must be moved if d(p_last,t)+d(t,p_next)
// < d(p_last,state)+d(state,p_next)
if (close_to_target(state)) {
if (positive(double_leg_distance(state.Location)
-double_leg_distance(get_location_max()))) {
// no improvement available
return false;
} else {
m_target_location = state.Location;
return true;
}
} else {
return false;
}
}
