public function setXY($x, $y)
{
$_x = new SetGroupState($this);
$_y = $_x->xy((double) $x, (double) $y);
$this->client->sendCommand($_y);
// Change both internal xy and colormode state
$this->attributes->action->xy = array($x, $y);
$this->attributes->action->colormode = 'xy';
return $this;
}