pocketmine\command\defaults\CaveCommand::getDirectionVector PHP Метод

    public function getDirectionVector($yaw, $pitch)
    {
        $y = -\sin(\deg2rad($pitch));
        $xz = \cos(\deg2rad($pitch));
        $x = -$xz * \sin(\deg2rad($yaw));
        $z = $xz * \cos(\deg2rad($yaw));
        $temporalVector = new Vector3($x, $y, $z);
        return $temporalVector->normalize();
    }