Clone = function (source)
{
    return new Line(source.x1, source.y1, source.x2, source.y2);
}
Clone the given line.

@function Phaser.Geom.Line.Clone
@since 3.0.0

@param {Phaser.Geom.Line} source - The source line to clone.

@return {Phaser.Geom.Line} The cloned line.