public void Add(Node node)
{
Children.Add (node);
}
public void Remove(Node node)
{
Children.Remove (node);
}
public void Render(Node<Entity> node, double x, double y, double w, double h, int level)
{
double lw = Math.Log(300000, Math.E) - level*2;
double myWidth = pixel_unit * 300000;
if (level % 2 == 1)
{
double xA = x + w / 2 - myWidth / 2;
double xB = x + w / 2 + myWidth / 2;
DrawLine(xA, y + h / 2, xB, y + h / 2, lw);
foreach (var item in node.Children)
{
double x0 = xA + (xB - xA) * (node.Children.IndexOf(item)) / node.Children.Count;
double x1 = xA + (xB - xA) * node.Children.IndexOf(item) / node.Children.Count;
Render(item, x0, y, x1 - x0, h, level+1);
}
}
else
{
double yA = y + h / 2 - myWidth / 2;
double yB = y + h / 2 + myWidth / 2;
DrawLine(x + w / 2, yA, x + w / 2, yB, lw);
foreach (var item in node.Children)
{
double y0 = yA + (yB - yA) * (node.Children.IndexOf(item)) / node.Children.Count;
double y1 = yA + (yB - yA) * node.Children.IndexOf(item) / node.Children.Count;
Render(item, x, y0, w, y1 - y0, level +1);
}
}
}