MagicLeapToolkitに依存しない形でのハンドポインタ作成

        /// <summary>
        /// Static key pose types which are available when both hands are separated.
        /// </summary>
        public enum HandKeyPose
        {
            /// <summary>
            /// Index finger.
            /// </summary>
            Finger,

            /// <summary>A
            /// A closed fist.
            /// </summary>
            Fist,

            /// <summary>
            /// A pinch.
            /// </summary>
            Pinch,

            /// <summary>
            /// A closed fist with the thumb pointed up.
            /// </summary>
            Thumb,

            /// <summary>
            /// An L shape
            /// </summary>
            L,

            /// <summary>
            /// An open hand.
            /// </summary>
            OpenHand = 5,

            /// <summary>
            /// A pinch with all fingers, except the index finger and the thumb, extended out.
            /// </summary>
            Ok,

            /// <summary>
            /// A rounded 'C' alphabet shape.
            /// </summary>
            C,

            /// <summary>
            /// No pose was recognized.
            /// </summary>
            NoPose,

            /// <summary>
            /// No hand was detected. Should be the last pose.
            /// </summary>
            NoHand
        }

            MLHandTracking.KeyPoseManager.OnKeyPoseBegin += (pose, type) =>
            {
                Debug.Log($"Begin pose : {pose} | type {type}");
            };

            MLHandTracking.KeyPoseManager.OnKeyPoseEnd += (pose, type) =>
            {
                Debug.Log($"End pose : {pose} | type {type}");
            };

    /// <summary>
    /// HandPointerで選択したものをカプセル化したクラス.
    /// </summary>
    public class SelectedObject
    {
        public bool IsHit => Hit.collider != null;
        public RaycastHit Hit { get; }
        public Vector3 Position => Hit.point;
        public GameObject Object => Hit.collider.gameObject;
        public HandPointer.HandPointerState State { get; }


        public SelectedObject(
            RaycastHit hit,
            HandPointer.HandPointerState state)
        {
            Hit = hit;
            State = state;
        }
    }

        public enum HandPointerState
        {
            NotSelected,
            Selected,
            SelectContinue
        }