// 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);
}
}
}