GetPoint = function (line, position, out)
{
    if (out === undefined) { out = new Point(); }

    out.x = line.x1 + (line.x2 - line.x1) * position;
    out.y = line.y1 + (line.y2 - line.y1) * position;

    return out;
}
Get a point on a line that's a given percentage along its length.

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

@generic {Phaser.Geom.Point} O - [out,$return]

@param {Phaser.Geom.Line} line - The line.
@param {number} position - A value between 0 and 1, where 0 is the start, 0.5 is the middle and 1 is the end of the line.
@param {(Phaser.Geom.Point|object)} [out] - An optional point, or point-like object, to store the coordinates of the point on the line.

@return {(Phaser.Geom.Point|object)} The point on the line.