public function mutate($genome)
{
$index = rand(0, count($genome) - 1);
$action = rand(0, 1);
$genome[$index] = null;
return $this->_music->melodyGen(Nandu_Music_MusicScales::Major(), 2, 8, 16);
}
public function initPopulation(Nandu_Species $species = null, $count = 8)
{
if (null == $species) {
$species = new Nandu_Species();
$species->save();
}
$music = new Nandu_Music_Theory();
for($i = 0; $i < $count; $i++) {
$melody = new Nandu_Melody();
$melody->species_id = $species->id;
$melody->save();
$notes = $music->melodyGen(Nandu_Music_MusicScales::Major(), 2, 8, 16);
$melody->setNotesFromArray($notes);
}
return $species;
}
