private static void ImportLinkData(this UrdfLink urdfLink, Link link, Joint joint)
        {
            if (link.inertial == null && joint == null)
            {
                urdfLink.IsBaseLink = true;
            }
            urdfLink.gameObject.name = link.name;
            if (joint?.origin != null)
            {
                UrdfOrigin.ImportOriginData(urdfLink.transform, joint.origin);
            }

            if (link.inertial != null)
            {
                UrdfInertial.Create(urdfLink.gameObject, link.inertial);

                if (joint != null)
                {
                    UrdfJoint.Create(urdfLink.gameObject, UrdfJoint.GetJointType(joint.type), joint);
                }
            }
            else if (joint != null)
            {
                UrdfJoint.Create(urdfLink.gameObject, UrdfJoint.GetJointType(joint.type), joint);
            }
        }
        public static GameObject Create(Transform parent, Link link = null, Joint joint = null)
        {
            GameObject linkObject = new GameObject("link");

            linkObject.transform.SetParentAndAlign(parent);
            UrdfLink urdfLink = linkObject.AddComponent <UrdfLink>();

            UrdfVisualsExtensions.Create(linkObject.transform, link?.visuals);
            UrdfCollisionsExtensions.Create(linkObject.transform, link?.collisions);

            if (link != null)
            {
                urdfLink.ImportLinkData(link, joint);
            }
            else
            {
                UrdfInertial.Create(linkObject);
#if UNITY_EDITOR
                UnityEditor.EditorGUIUtility.PingObject(linkObject);
#endif
            }

            return(linkObject);
        }