public void destroyContent()
{
pool.returnAllObjects();
wallPool.returnAllObjects();
keyBoardOverlay.returnAllObjects();
foreach (Transform t in contentParent)
{
Destroy(t.gameObject);
}
Box.ClearList();
Key.ClearList();
Door.ClearList();
PressurePlate.ClearList();
LevelMetaData toDestroy = GetComponent <LevelMetaData> ();
if (toDestroy != null)
{
DestroyImmediate(toDestroy);
}
}