// private private void ReculculateNodeList() { if (boundsChanged) { root = new QuadLeaf <T>(0.0d, 0.0d, width, height); removedSet.Clear(); foreach (T node in objects) { changedSet.Remove(node); addedSet.Remove(node); root.Add(node); } } else { foreach (T node in addedSet) { root.Add(node); addedSet.Remove(node); } foreach (T node in changedSet) { root.Move(node); changedSet.Remove(node); } foreach (T node in removedSet) { root.Remove(node); removedSet.Remove(node); } } }