UnityEditor.EditorUtility.InstantiateForAnimatorPreview C# (CSharp) Method

        internal static GameObject InstantiateForAnimatorPreview(Object original)
        {
            if (original == null)
            {
                throw new ArgumentException("The prefab you want to instantiate is null.");
            }
            GameObject go = InstantiateRemoveAllNonAnimationComponents(original, Vector3.zero, Quaternion.identity) as GameObject;
            go.name = go.name + "AnimatorPreview";
            go.tag = "Untagged";
            InitInstantiatedPreviewRecursive(go);
            Animator[] componentsInChildren = go.GetComponentsInChildren<Animator>();
            for (int i = 0; i < componentsInChildren.Length; i++)
            {
                Animator animator = componentsInChildren[i];
                animator.enabled = false;
                animator.cullingMode = AnimatorCullingMode.AlwaysAnimate;
                animator.logWarnings = false;
                animator.fireEvents = false;
            }
            if (componentsInChildren.Length == 0)
            {
                Animator animator2 = go.AddComponent<Animator>();
                animator2.enabled = false;
                animator2.cullingMode = AnimatorCullingMode.AlwaysAnimate;
                animator2.logWarnings = false;
                animator2.fireEvents = false;
            }
            return go;
        }

        void SetupBounds(GameObject go)
        {
            m_IsValid = go != null && go != GetGenericAnimationFallback();

            if (go != null)
            {
                m_PreviewInstance = EditorUtility.InstantiateForAnimatorPreview(go);
                previewUtility.AddSingleGO(m_PreviewInstance);

                m_Previewables = m_PreviewInstance.GetComponentsInChildren <IAnimationPreviewable>();
                var bounds = GameObjectInspector.GetRenderableBounds(m_PreviewInstance);

                m_BoundingVolumeScale = Mathf.Max(bounds.size.x, Mathf.Max(bounds.size.y, bounds.size.z));


                if (Animator && Animator.isHuman)
                {
                    m_AvatarScale = m_ZoomFactor = Animator.humanScale;
                }
                else
                {
                    m_AvatarScale = m_ZoomFactor = m_BoundingVolumeScale / 2;
                }
            }
        }