--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/csharp/jp.ac.u-ryukyu.ie.cr/ObjectMapper/SceneNode.cs	Mon Dec 05 05:28:53 2016 +0900
@@ -0,0 +1,45 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class SceneNode : MonoBehaviour {
+
+	public GameObject obj;
+
+	public SceneNode m_parent;
+	public System.Collections.Generic.List<SceneNode> m_childs;
+
+	public SceneNode(GameObject obj, SceneNode parent=null){
+		this.obj = obj;
+		m_parent = parent;
+		m_childs = new System.Collections.Generic.List<SceneNode>();
+	}
+
+	public void OnAdded () {}
+
+	public void OnRemoved () {} 
+
+	public bool AddChild (SceneNode toAdd){
+		toAdd.m_parent = this;
+		m_childs.Add(toAdd);
+		toAdd.OnAdded();
+		return true;
+	}
+
+	public bool RemoveChild (SceneNode toRemove) {
+		toRemove.OnRemoved();
+		return m_childs.Remove(toRemove);
+	}
+
+	public void RemoveAllChildren () {
+		int childcount = m_childs.Count;
+		for(int i = 0; i < childcount ;++i){
+			m_childs[i].RemoveAllChildren();
+		}
+
+		for(int i = 0; i < childcount ;++i){
+			m_childs[i].OnRemoved();
+		}
+		m_childs.Clear();
+	}
+}