Function getCurAxisDir

assets/js/rubiks_cube.js:1292–1300

* Get current axis direction. * @param {CSS3D.Vector3} axis * @return {string} current axis direction.

(axis)

     * @return {string} current axis direction.
     */
    function getCurAxisDir(axis) {
      if (Math.abs(axis.x) > 0.00001) {
        return 'x';
      } else if (Math.abs(axis.y) > 0.00001) {
        return 'y';
      } else {
        return 'z';
      }
    }
  
    var Face = CSS3D.Object3D.extend({
      className: 'face',