/**
* Does a homothety transformation on the bounds, centered on the center of the bounds
*
* @param float $factor
* @return LatLngBounds $bounds
*/
public function getHomothety($factor)
{
$bounds = new LatLngBounds();
$lat = $this->getCenterLat();
$lng = $this->getCenterLng();
$bounds->getNorthEast()->setLat($factor * $this->getNorthEast()->getLat() + $lat * (1 - $factor));
$bounds->getSouthWest()->setLat($factor * $this->getSouthWest()->getLat() + $lat * (1 - $factor));
$bounds->getNorthEast()->setLng($factor * $this->getNorthEast()->getLng() + $lng * (1 - $factor));
$bounds->getSouthWest()->setLng($factor * $this->getSouthWest()->getLng() + $lng * (1 - $factor));
return $bounds;
}
