text: /**
   * @author       Richard Davey <rich@photonstorm.com>
   * @copyright    2018 Photon Storm Ltd.
   * @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
   */
  
  /**
   * [description]
   *
   * @function Phaser.Geom.Line.RotateAroundXY
   * @since 3.0.0
   *
   * @generic {Phaser.Geom.Line} O - [line,$return]
   *
   * @param {Phaser.Geom.Line} line - [description]
   * @param {number} x - [description]
   * @param {number} y - [description]
   * @param {number} angle - [description]
   *
   * @return {Phaser.Geom.Line} [description]
   */
  var RotateAroundXY = function (line, x, y, angle)
  {
      var c = Math.cos(angle);
      var s = Math.sin(angle);
  
      var tx = line.x1 - x;
      var ty = line.y1 - y;
  
      line.x1 = tx * c - ty * s + x;
      line.y1 = tx * s + ty * c + y;
  
      tx = line.x2 - x;
      ty = line.y2 - y;
  
      line.x2 = tx * c - ty * s + x;
      line.y2 = tx * s + ty * c + y;
  
      return line;
  };
  
  module.exports = RotateAroundXY;
  