FB.PosePlus.PoseBoneMatrix.Tag C# (CSharp) Method

        public void Tag(PoseBoneMatrix last)
        {
            if (last == null)
                tag = PoseBoneMatrix.changetag.All;
            else
            {
                tag = PoseBoneMatrix.changetag.NoChange;
                if (r != last.r)
                {
                    tag |= PoseBoneMatrix.changetag.Rotate;
                }
                if (t != last.t)
                {
                    tag |= PoseBoneMatrix.changetag.Trans;
                }
                if (s != last.s)
                {
                    tag |= PoseBoneMatrix.changetag.Scale;
                }
            }
        }