private void setChildren(Tech parent)
{
Debug.Log("setting Children");
foreach (Tech tech in ttree)
{
//Debug.Log(tech.name + " testing if is child of " + parent.name);
if (tech.GetPrereq() == parent)
{
//Debug.Log("set " + tech.name + " as child of " + parent.name);
parent.AddChild(tech);
setChildren(tech);
}
}
}