OffsetPoint = function (rect, point)
{
    rect.x += point.x;
    rect.y += point.y;

    return rect;
}
Nudges (translates) the top-left corner of a Rectangle by the coordinates of a point (translation vector).

@function Phaser.Geom.Rectangle.OffsetPoint
@since 3.0.0

@generic {Phaser.Geom.Rectangle} O - [rect,$return]

@param {Phaser.Geom.Rectangle} rect - The Rectangle to adjust.
@param {(Phaser.Geom.Point|Phaser.Math.Vector2)} point - The point whose coordinates should be used as an offset.

@return {Phaser.Geom.Rectangle} The adjusted Rectangle.