gistfile1.cs

using UnityEngine;
using System.Collections;

public class CachingLoadExample : MonoBehaviour
{
	public string BundleURL;
	public string AssetName;
	public int version;

	void Start ()
	{
		StartCoroutine (DownloadAndCache ());
	
	}

	IEnumerator DownloadAndCache ()
	{
		//キャッシュの準備が出来るまで待機
		while (!Caching.ready)
			yield return null;

		//キャッシュに無ければダウンロード
		using (WWW www = WWW.LoadFromCacheOrDownload (BundleURL, version)) {
			yield return www;
			//エラーがあれば
			if (www.error != null) {
				throw new UnityException ("WWW download had an error" + www.error);
			}
			AssetBundle bundle = www.assetBundle;
			if (AssetName == "") {
				Instantiate (bundle.mainAsset);
			} else {
				Instantiate (bundle.LoadAsset (AssetName));
			}
			//圧縮あ終わったらAssetBundlesをアンロード
			bundle.Unload (false);
		}
		//メモリーがwebstreamから解放(www.Disposeが強制的に呼ばれる)
	}
}