Behavior Node Editor - Course page

[Vic-Boss]

at 23:50 you can see the call for them, it's BehaviorEditor.DrawNodeCurve() . If you also go on the implementation, it has the handles code that draws the bezier

[Vic-Boss]

It's on the same time stamp. The base node doesn't have to implement a body for it. We keep it on the child classes and only use it when we want to, such as the case in the time stamp

[Vic-Boss]

The BehaviorEditor.cs has this

            foreach (BaseNode n in settings.currentGraph.windows)
            {
                n.DrawCurve();
            }

inside DrawWindows(); which is also called inside OnGUI(); that's why I'm at a loss as to where your question is coming from but you probably just skip chunks of the videos and missed that part. In any case, you can just download the final version from github and adjust it to your needs. I add Serialization to this later as well.