[Unity3d]Layer변경시 하위까지 변경하는 방법

public static void ChangeLayersRecursively(Transform trans, string name)
    {
        trans.gameObject.layer = LayerMask.NameToLayer(name);
        foreach (Transform child in trans)
        {
            ChangeLayersRecursively(child, name);
        }
    }

[Unity3d]Layer변경할경우 이름으로 변경하는 방법

child.gameObject.layer = LayerMask.NameToLayer("WhateverYouCalledIt");

<http://answers.unity3d.com/questions/168084/change-layer-of-child.html>