HandDriverUPM/HandDriver/SDK/Interaction SDK/Scripts/Runtime/DollHand.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace UDE_HAND_INTERACTION
{
    public class DollHand : MonoBehaviour
    {
        [SerializeField]
        private List<HandJointsSet> _jointSets = new List<HandJointsSet>(FingersData.HAND_JOINT_IDS.Length);

        public List<HandJointsSet> JointSets
        {
            get
            {
                return _jointSets;
            }
        }

        private JointCollection _jointsCache;
        private JointCollection JointsCache
        {
            get
            {
                if (_jointsCache == null)
                {
                    _jointsCache = new JointCollection(_jointSets);
                }
                return _jointsCache;
            }
        }

        public void SetJointRotations(in Quaternion[] jointRotations)
        {
            for (int i = 0; i < FingersData.HAND_JOINT_IDS.Length; ++i)
            {
                HandJointsSet jointSet = JointsCache[i];
                if (jointSet != null)
                {
                    Transform jointTransform = jointSet.transform;
                    Quaternion targetRot = jointSet.RotationOffset * jointRotations[i];
                    jointTransform.localRotation = targetRot;
                }
            }
        }

        public void SetRootPose(in Pose rootPose)
        {
            this.transform.SetPose(rootPose, Space.World);
        }

    }
}