public void compute(
      FrameVector output,
      FrameOrientation desiredOrientation,
      FrameVector desiredAngularVelocity,
      FrameVector currentAngularVelocity,
      FrameVector feedForward) {
    computeProportionalTerm(desiredOrientation);
    if (currentAngularVelocity != null)
      computeDerivativeTerm(desiredAngularVelocity, currentAngularVelocity);
    computeIntegralTerm();

    output.setToZero(proportionalTerm.getReferenceFrame());
    output.add(proportionalTerm);
    output.add(derivativeTerm);
    output.add(integralTerm);

    // Limit the max acceleration of the feedback, but not of the feedforward...
    // JEP changed 150430 based on Atlas hitting limit stops.
    double feedbackAngularActionMagnitude = output.length();
    double maximumAction = gains.getMaximumFeedback();
    if (feedbackAngularActionMagnitude > maximumAction) {
      output.scale(maximumAction / feedbackAngularActionMagnitude);
    }

    feedbackAngularAction.set(output);
    rateLimitedFeedbackAngularAction.update();
    rateLimitedFeedbackAngularAction.getFrameTuple(output);

    feedForward.changeFrame(bodyFrame);
    output.add(feedForward);
  }