arfoundation-demos/Assets/BodyRecording/Scripts/JointHandler.cs

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

public class JointHandler : MonoBehaviour
{
    [SerializeField]
    [Tooltip("Root joint at root of rig skeleton, should be named Root_1")]
    Transform m_SkeletonRoot;

    public Transform skeletonRoot
    {
        get => m_SkeletonRoot;
        set => m_SkeletonRoot = value;
    }
    
    public List<Transform> Joints { get; set; }

    void OnEnable()
    {
        GetJoints();
    }

    public void GetJoints()
    {
        Joints = new List<Transform>();

        Queue<Transform> nodes = new Queue<Transform>();
        nodes.Enqueue(m_SkeletonRoot.parent);
        while (nodes.Count > 0)
        {
            Transform next = nodes.Dequeue();
            for (int i = 0; i < next.childCount; ++i)
            {
                nodes.Enqueue(next.GetChild(i));
            }
            
            Joints.Add(next);
        }
    }
    
}