Unity编辑模式下创建若干子物体父物体

using UnityEngine;
using System.Collections;
public class PathNode : MonoBehaviour ｛
    public PathNode m_parent;
    public PathNode m_next;
    public void setNext(PathNode node)｛
        if(m_next!=null) m_next.m_parent=null;
        m_next=node;
        node.m_parent=this;
    ｝
    // 显示图标
    void OnDrawGizmos()｛
        Gizmos.DrawIcon(this.transform.position,"Node.tif");
    ｝
｝

using UnityEngine;
using System.Collections;
using UnityEditor;
public class PathTool : ScriptableObject ｛
	//父路点
    static PathNode m_parent = null;
    static int num = 0;
    [MenuItem("PathTools/Create PathNode")]
    static void CreatePathNode() ｛
        GameObject go = new GameObject();
        go.AddComponent<PathNode>();
        go.name = "pathnode"+num++;
        go.tag = "pathnode";
        Selection.activeTransform = go.transform;
    ｝
    [MenuItem("PathTools/set Parent %q")]
    static void SetParent() ｛
        if (!Selection.activeObject || Selection.GetTransforms(SelectionMode.Unfiltered).Length > 1) return;//编辑状态下没有选中物体
        if (Selection.activeGameObject.tag.CompareTo("pathnode") == 0) ｛
            m_parent = Selection.activeGameObject.GetComponent<PathNode>();
        ｝
    ｝
    [MenuItem("PathTools/Set Child %w")]
    static void setChild() ｛
        if (!Selection.activeGameObject || Selection.GetTransforms(SelectionMode.Unfiltered).Length > 1) return;
        if (Selection.activeGameObject.tag.CompareTo("pathnode") == 0) ｛
            if (m_parent == null) ｛
                Debug.LogError("先设置子节点");
                return;
            ｝
            m_parent.setNext(Selection.activeGameObject.GetComponent<PathNode>());//父节点上面保存了， 将当前的节点作为上一个父节点的子节点
            m_parent = null;
        ｝
    ｝
｝