internal void RebuildShape()
        {
            RecalculateBounds();

            if (m_Bounds.size.sqrMagnitude < .01f ||
                Mathf.Abs(m_Bounds.extents.x) < 0.001f ||
                Mathf.Abs(m_Bounds.extents.z) < 0.001f)
            {
                if (m_ShapeComponent.mesh.vertexCount > 0)
                {
                    m_ShapeComponent.mesh.Clear();
                    m_ShapeComponent.mesh.Rebuild();
                    ProBuilderEditor.Refresh(true);
                }
                return;
            }

            if (!m_IsShapeInit)
            {
                EditorShapeUtility.CopyLastParams(m_ShapeComponent.shape, m_ShapeComponent.shape.GetType());
                m_ShapeComponent.gameObject.hideFlags = HideFlags.None;
                UndoUtility.RegisterCreatedObjectUndo(m_ShapeComponent.gameObject, "Draw Shape");
            }

            m_ShapeComponent.Rebuild(m_Bounds, m_PlaneRotation);
            ProBuilderEditor.Refresh(false);

            if (!m_IsShapeInit)
            {
                EditorUtility.InitObject(m_ShapeComponent.mesh);
                m_IsShapeInit = true;
            }

            SceneView.RepaintAll();
        }