Unty3D动态加载图片

using UnityEngine;using System.Collections;public class DynamicLoad : MonoBehaviour{    Texture2D txt;    IEnumerator Start()    {        string path = application.dataPath + "/Title000.png";        WWW www = new WWW("file://" + path);        yield return www;                txt = new Texture2D(200,200);        txt = www.texture; // 方式一        //www.LoadImageIntoTexture(txt); // 方式二    }    void OnGUI()    {        if (txt != null)        {            GUI.DrawTexture(new Rect(0, 0, 200, 200), txt);        }    }}