private void AddLineObject(ILoudspeakerItem item, List <LineObjCache> curLineObject)
{
LineObjCache objCache;
objCache.width = item.GetItemWidth();
objCache.height = item.GetItemHeight();
objCache.trans = item.GetTransform();
objCache.trans.sizeDelta = new Vector2(objCache.width, objCache.height);
curLineObject.Add(objCache);
}