web Image 를 Texture에 표시하기

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public string url = "http://images.earthcam.comec_metrosourcams/fridays.jpg";
    IEnumerator Start() {
        WWW www = new WWW(url);
        yield return www;
        renderer.material.mainTexture = www.texture;
    }
}