function __construct($numberOfPlanets = null, $name = null)
{
$this->name = $name ? $name : Random::Name();
$this->seed = SEED;
$this->GeneratePlanets($numberOfPlanets);
}
function __construct($name = null, $position = null, $radius = null)
{
$this->name = $name ? $name : Random::Name();
$this->position = $position ? $position : Random::Vector3();
$this->radius = $radius ? $radius : Random::Number();
}