ToriaAssets/Imports/UMA/Examples/Physics Examples/Scripts/transformdeepchildextension.cs

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

public static class TransformDeepChildExtension
{
    //Breadth-first search
    public static Transform FindDeepChild(this Transform aParent, string aName)
    {
        if (aParent == null) return null;

        var result = aParent.Find(aName);
        if (result != null)
            return result;
        foreach (Transform child in aParent)
        {
            result = child.FindDeepChild(aName);
            if (result != null)
                return result;
        }
        return null;
    }

    public static Transform FindDeepParent(this Transform achild, string aName)
    {
        if (achild == null) return null;

        var result = achild.Find(aName);
        if (result != null)
            return result;

        result = achild.parent.FindDeepParent(aName);
        if (result != null)
            return result;

        return null;
    }
}