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