public static function getAdjacentsByMaxDistance($x, $y, $distance)
{
global $origins;
if ($distance > 0) {
$adjacents = Sector::getAdjacents($x, $y);
$origins = array_merge($origins, $adjacents);
$origins = array_unique($origins);
if ($distance > 1) {
foreach ($adjacents as $adjacent) {
$adjacent = explode(",", $adjacent);
$x = $adjacent[0];
$y = $adjacent[1];
Sector::getAdjacentsByMaxDistance($x, $y, $distance - 1);
}
}
}
}