phaser/src/geom/rectangle/Decompose.js
2019-05-10 16:15:04 +01:00

31 lines
1,016 B
JavaScript

/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2019 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
/**
* 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.
*/
var 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;
};
module.exports = Decompose;