ValveIndexで指動かす最低実装

AvatarHandController.cs

using System;
using UnityEngine;
using Valve.VR;

namespace ValveIndexFinger
{
    public enum AvatarHand
    {
        Left,
        Right
    }

    public class AvatarHandController : MonoBehaviour
    {
        private CVRInput input;
        private ulong skeletonActionHandle;
        public AvatarHand hand = AvatarHand.Right;
        public bool printDebug = false;
        public Avatar targetAvatar;
        private HumanPose humanPose;
        private HumanPoseHandler humanPoseHandler;

        void Start()
        {
            input = OpenVR.Input;
            input.SetActionManifestPath(Application.streamingAssetsPath + "/SteamVR/actions.json");
            if (hand == AvatarHand.Left)
            {
                input.GetActionHandle("/actions/default/in/SkeletonLeftHand", ref skeletonActionHandle);
            }
            else
            {
                input.GetActionHandle("/actions/default/in/SkeletonRightHand", ref skeletonActionHandle);
            }

            // Init Avatar
            if (!targetAvatar)
            {
                targetAvatar = gameObject.GetComponent<Animator>().avatar;
            }
            humanPose = new HumanPose();
            if (targetAvatar)
            {
                humanPoseHandler = new HumanPoseHandler(targetAvatar, transform);
            }
        }

        void LateUpdate()
        {
            if (true)
            {
                VRSkeletalSummaryData_t summary = new VRSkeletalSummaryData_t();
                input.GetSkeletalSummaryData(skeletonActionHandle, EVRSummaryType.FromDevice, ref summary);
                if (printDebug) DebugLogFinger(summary);
                if (targetAvatar)
                {
                    humanPoseHandler.GetHumanPose(ref humanPose);
                    SetHandPose(summary);
                    humanPoseHandler.SetHumanPose(ref humanPose);
                }
            }
        }

        private void SetHandPose(VRSkeletalSummaryData_t summary)
        {
            if (hand == AvatarHand.Left)
            {
                var thumb = 1.0f - summary.flFingerCurl0 *2;
                humanPose.muscles[55] = thumb;
                humanPose.muscles[56] = thumb;
                humanPose.muscles[57] = thumb;
                humanPose.muscles[58] = thumb;

                var index = 1.0f - summary.flFingerCurl1 *2;
                humanPose.muscles[59] = index;
                humanPose.muscles[60] = index;
                humanPose.muscles[61] = index;
                humanPose.muscles[62] = index;

                var middle = 1.0f - summary.flFingerCurl2 *2;
                humanPose.muscles[63] = middle;
                humanPose.muscles[64] = middle;
                humanPose.muscles[65] = middle;
                humanPose.muscles[66] = middle;

                var ring = 1.0f - summary.flFingerCurl3 *2;
                humanPose.muscles[67] = ring;
                humanPose.muscles[68] = ring;
                humanPose.muscles[69] = ring;
                humanPose.muscles[70] = ring;

                var little = 1.0f - summary.flFingerCurl4 *2;
                humanPose.muscles[71] = little;
                humanPose.muscles[72] = little;
                humanPose.muscles[73] = little;
                humanPose.muscles[74] = little;
            }
            else
            {
                var thumb = 1.0f - summary.flFingerCurl0 *2;
                humanPose.muscles[75] = thumb;
                humanPose.muscles[76] = thumb;
                humanPose.muscles[77] = thumb;
                humanPose.muscles[78] = thumb;

                var index = 1.0f - summary.flFingerCurl1 *2;
                humanPose.muscles[79] = index;
                humanPose.muscles[80] = index;
                humanPose.muscles[81] = index;
                humanPose.muscles[82] = index;

                var middle = 1.0f - summary.flFingerCurl2 *2;
                humanPose.muscles[83] = middle;
                humanPose.muscles[84] = middle;
                humanPose.muscles[85] = middle;
                humanPose.muscles[86] = middle;

                var ring = 1.0f - summary.flFingerCurl3 *2;
                humanPose.muscles[87] = ring;
                humanPose.muscles[88] = ring;
                humanPose.muscles[89] = ring;
                humanPose.muscles[90] = ring;

                var little = 1.0f - summary.flFingerCurl4 *2;
                humanPose.muscles[91] = little;
                humanPose.muscles[92] = little;
                humanPose.muscles[93] = little;
                humanPose.muscles[94] = little;
            }
        }

        private void DebugLogFinger(VRSkeletalSummaryData_t summary)
        {
            Debug.Log(
                String.Format("FingerCurl : [ {0:F} , {1:F} , {2:F} , {3:F} , {4:F} ] / FingerSpread : [ {5:F},  {6:F} , {7:F} , {8:F} ]"
                    , summary.flFingerCurl0 
                    , summary.flFingerCurl1
                    , summary.flFingerCurl2
                    , summary.flFingerCurl3
                    , summary.flFingerCurl4
                    , summary.flFingerSplay0
                    , summary.flFingerSplay1
                    , summary.flFingerSplay2
                    , summary.flFingerSplay3
                ));
        }
    }
}