/**
* il pesce ritorna la direzione che vuole intraprendere .
* @return Movement
*/
public function getMovement()
{
$move = new Movement();
$dirs = $move->getDirections();
$dir = rand(0, count($dirs) - 1);
$move->setDirection($dirs[$dir]);
return $move;
}
/**
* Restituisco una posizione libera nei dintorni
*
* @param Position $position
*
* @return null|Position null se non vi sono posti liberi
*
*
*/
public function getFreePosition(Position $position)
{
$map = $this->worldMap;
if ($map->get($position) === null) {
return $position;
}
$move = new Movement();
foreach ($move->getDirections() as $direction) {
$move->setDirection($direction);
$destination = $position->calculateNewPoint($move);
if ($map->get($destination) === null) {
return $destination;
}
}
return null;
}