public function scale(Point $center, $factor)
	{
		foreach ($this->points as $point) {
			$point->scale($center, $factor);
		}
		$this->start->scale($center, $factor);
		return $this;
	}
public function scale(Point $center, $factor)
	{
		foreach ($this->points as $point) {
			$point->scale($center, $factor);
		}
		$this->start->scale($center, $factor);
		return $this;
	}
public function scale ( Point $ center , $ factor ) { foreach ( $ this -> points as $ point ) { $ point -> scale ( $ center , $ factor ) ; } $ this -> start -> scale ( $ center , $ factor ) ; return $ this ; }
Scales points.

@param  Point  $center
@param  float  $factor
Scales points .