phaser/src/geom/rectangle/CenterOn.js
2018-10-01 11:35:01 +01:00

31 lines
942 B
JavaScript

/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2018 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
// Centers this Rectangle so that the center coordinates match the given x and y values.
/**
* Moves the top-left corner of a Rectangle so that its center is at the given coordinates.
*
* @function Phaser.Geom.Rectangle.CenterOn
* @since 3.0.0
*
* @generic {Phaser.Geom.Rectangle} O - [rect,$return]
*
* @param {Phaser.Geom.Rectangle} rect - The Rectangle to be centered.
* @param {number} x - The X coordinate of the Rectangle's center.
* @param {number} y - The Y coordinate of the Rectangle's center.
*
* @return {Phaser.Geom.Rectangle} The centered rectangle.
*/
var CenterOn = function (rect, x, y)
{
rect.x = x - (rect.width / 2);
rect.y = y - (rect.height / 2);
return rect;
};
module.exports = CenterOn;