if (!showingSubMaterialMenu) {
showingSubMaterialMenu = true;
materialScrollView.GetComponentInChildren<TweenPosition>().PlayForward();
subMaterialScrollView.GetComponentInChildren<TweenPosition>().PlayForward();
} else {
showingSubMaterialMenu = false;
materialScrollView.GetComponentInChildren<TweenPosition>().PlayReverse();
subMaterialScrollView.GetComponentInChildren<TweenPosition>().PlayReverse();
}
}