public function distanceToAddress($address)
{
$destination = GameGridProvider::exactPosition($address);
$origin = GameGridProvider::exactPosition($this->getIdentity());
return new Length(sqrt(pow($origin['x'] - $destination['x'], 2) + pow($origin['y'] - $destination['y'], 2) + pow($origin['z'] - $destination['z'], 2)) * 100, 'ly');
}
