Unity3D研究院之Editor下监听Transform变化

using UnityEngine;
using System.Collections;
using UnityEditor;
using System.Reflection;



[CustomEditor(typeof(Transform))]
public class TransformEditor :Editor {


	[InitializeOnLoadMethod]
	static void IInitializeOnLoadMethod()
	{
		TransformEditor.onPostion =delegate(Transform transform) {

			Debug.Log(string.Format("transform = {0}  positon = {1}",transform.name,transform.localPosition));
		};

		TransformEditor.onRotation =delegate(Transform transform) {

			Debug.Log(string.Format("transform = {0}   rotation = {1}",transform.name,transform.localRotation.eulerAngles));
		};

		TransformEditor.onScale =delegate(Transform transform) {

			Debug.Log(string.Format("transform = {0}   scale = {1}",transform.name,transform.localScale));
		};
	}

	public delegate void Change(Transform transform);
	static public Change onPostion;
	static public Change onRotation;
	static public Change onScale;



	private Editor editor;
	private Transform transform;
	private Vector3 startPostion =Vector3.zero;
	private Vector3 startRotation =Vector3.zero;
	private Vector3 startScale =Vector3.zero;
	void OnEnable()
	{
		transform = target as Transform;
		editor = Editor.CreateEditor(target, Assembly.GetAssembly(typeof(Editor)).GetType("UnityEditor.TransformInspector",true));
		startPostion = transform.localPosition;
		startRotation = transform.localRotation.eulerAngles;
		startScale = transform.localScale;
	}

	public override void OnInspectorGUI ()
	{
		editor.OnInspectorGUI();
		if(GUI.changed)
		{

			if(startPostion != transform.localPosition)
			{
				if(onPostion != null)
					onPostion(transform);
			}

			if(startRotation !=  transform.localRotation.eulerAngles)
			{
				if(onRotation != null)
					onRotation(transform);
			}

			if(startScale !=  transform.localScale)
			{
				if(onScale != null)
					onScale(transform);
			}
			startPostion = transform.localPosition;
			startRotation = transform.localRotation.eulerAngles;
			startScale = transform.localScale;
		}

	}


}