code: function(min, max) {
      return function limitRoll(params) {
        params.roll = clamp(params.roll, min, max);
        return params;
      };
    }
docs: Returns a view limiter that constrains the roll angle.
  @param {number} min The minimum roll value.
  @param {number} max The maximum roll value.
  @return {RectilinearViewLimiter}