IEnumerator checkForResize() { lastWidth = Screen.width; lastHeight = Screen.height; while (bCheckForResize) { if (lastWidth != Screen.width || lastHeight != Screen.height) { lastWidth = Screen.width; lastHeight = Screen.height; mLensmodel.setImageSize(lastWidth, lastHeight); mArcball.setScreenSize(lastWidth, lastHeight); } yield return(new WaitForSeconds(0.3f)); } }