Unity3D IPhone截屏并保存代码

会飞的鱼

    private var fileName : String = "screenShot";
    function writeFile()
    {
        var tex : Texture2D= new Texture2D(Screen.width,Screen.height,TextureFormat.RGB24, false);
        tex.ReadPixels(Rect(0,0,Screen.width,Screen.height),0,0);
        tex.Apply();
        var bytes : byte[]=tex.EncodeToPNG();
        Destroy(tex);
        var thisName : String = fileName+".png";
         var cachedAssetBundle =Application.dataPath+"/Resources/"+thisName;
        var cache = new System.IO.FileStream(cachedAssetBundle, System.IO.FileMode.Create);
        cache.Write(bytes,0,bytes.Length);
        cache.Close();
        Debug.Log("Cache saved: "+cachedAssetBundle);
        
    }