/**
* Adds a coordinate to the marker shape if the type is poly.
*
* @param integer $x The X coordinate.
* @param integer $y The Y coordinate.
*
* @throws \Ivory\GoogleMap\Exception\OverlayException If the type is not poly or if the poly coordinate is not
* valid.
*/
public function addPolyCoordinate($x, $y)
{
if ($this->type !== 'poly') {
throw OverlayException::invalidMarkerShapeAddPolyCoordinateCall();
}
if (!is_numeric($x) || !is_numeric($y)) {
throw OverlayException::invalidMarkerShapePolyCoordinate();
}
$this->coordinates[] = $x;
$this->coordinates[] = $y;
}