private void AttachOutputs(NodeBase node)
        {
            var types    = node.OutputTypes;
            var playable = node.Playable;

            for (var i = 0; i < types.Length; i++)
            {
                var t = types[i];

                switch (t)
                {
                case StreamType.Animation:
                case StreamType.IK:
                    animationOutput.AddInput(playable, i, 1f);
                    break;
                }
            }
        }