lineTo( x, y ) {

		this.currentPath.lineTo( x, y );

		return this;

	}
Adds an instance of {@link LineCurve} to the path by connecting
the current point with the given one.

@param {number} x - The x coordinate of the end point.
@param {number} y - The y coordinate of the end point.
@return {ShapePath} A reference to this shape path.