                                                        {
             float head_yaw = eyeTransform.localRotation.eulerAngles.y;
             float body_yaw = last_yaw;
 
             // Get the difference in yaw between body and eyes/head
             float yaw_diff = Mathf.DeltaAngle(head_yaw, body_yaw);
 
             // Account for max_head_yaw
             yaw_diff = Mathf.Sign(yaw_diff) * Mathf.Max(0, Mathf.Abs(yaw_diff) - max_head_yaw);
 
             // Calcualte the speed at which we'll adapt.
             float yaw_adapt_speed = Mathf.Abs(yaw_diff) * Time.deltaTime * 2.0f;
 
             // Adapt the rotation to the resulting yaw
             return Quaternion.Euler(
                 bodyTransform.localRotation.eulerAngles.x,
                 Mathf.MoveTowardsAngle(body_yaw, head_yaw, yaw_adapt_speed),
                 bodyTransform.localRotation.eulerAngles.z
             );
         }