Decompose = function (rect, out)
{
    if (out === undefined) { out = []; }

    out.push({ x: rect.x, y: rect.y });
    out.push({ x: rect.right, y: rect.y });
    out.push({ x: rect.right, y: rect.bottom });
    out.push({ x: rect.x, y: rect.bottom });

    return out;
}
Create an array of points for each corner of a Rectangle
If an array is specified, each point object will be added to the end of the array, otherwise a new array will be created.

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

@param {Phaser.Geom.Rectangle} rect - The Rectangle object to be decomposed.
@param {array} [out] - If provided, each point will be added to this array.

@return {array} Will return the array you specified or a new array containing the points of the Rectangle.