/** * @author Richard Davey * @copyright 2018 Photon Storm Ltd. * @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License} */ var RotateAroundXY = require('./RotateAroundXY'); /** * Rotate a line around its midpoint by the given angle in radians. * * @function Phaser.Geom.Line.Rotate * @since 3.0.0 * * @generic {Phaser.Geom.Line} O - [line,$return] * * @param {Phaser.Geom.Line} line - The line to rotate. * @param {number} angle - The angle of rotation in radians. * * @return {Phaser.Geom.Line} The rotated line. */ var Rotate = function (line, angle) { var x = (line.x1 + line.x2) / 2; var y = (line.y1 + line.y2) / 2; return RotateAroundXY(line, x, y, angle); }; module.exports = Rotate;