public function translateX($deltaX)
	{
		foreach ($this->points as $point) {
			$point->translateX($deltaX);
		}
		$this->start->translateX($deltaX);
		return $this;
	}
public function translateX($deltaX)
	{
		foreach ($this->points as $point) {
			$point->translateX($deltaX);
		}
		$this->start->translateX($deltaX);
		return $this;
	}
public function translateX ( $ deltaX ) { foreach ( $ this -> points as $ point ) { $ point -> translateX ( $ deltaX ) ; } $ this -> start -> translateX ( $ deltaX ) ; return $ this ; }
Translates points along the X-axis.

@param  float  $deltaX
@param  float  $deltaY
Translates points along the X - axis .