pocketmine\entity\Creature::getMyPitch PHP Метод

    public function getMyPitch(Vector3 $from, Vector3 $to)
    {
        $distance = $from->distance($to);
        $height = $to->y - $from->y;
        if ($height > 0) {
            return -rad2deg(asin($height / $distance));
        } elseif ($height < 0) {
            return rad2deg(asin(-$height / $distance));
        } else {
            return 0;
        }
    }