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);