Is it possible to draw an object on top of each node?

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April 19, 2018 at 3:33 pm #17449

king_haps

Participant

Dear nodeCanvas community,

Let’s say I have an FSM, I want to have a circle which goes through all the states of that FSM ( Petri-Net style ). The creation of that travelling circle, does nodeCanvas support this?

Thanks

April 23, 2018 at 6:45 pm #17452

Gavalakis

Keymaster

Hello and sorry for the late reply (I was ill).
I am not familiar with petri-net style you mentioned and even though I’ve quickly looked up a few references I unfortunately didn’t quite understand the differences and the functionality offered. Can you please clarify what you mean, or what you are after?
Thank you in advance.

April 24, 2018 at 4:41 pm #17451

king_haps

Participant

Dear Gavalakis,

Let’s say for now, aside from the usual things a state node can have, I also want it to display a container within it. Within that container I want to have buttons. So it would probably be an extra box and within that box, I can flexibly add my buttons and remove them. Can I know how I can do this? Thank you for your help.

May 2, 2018 at 8:40 pm #17450

Gavalakis

Keymaster

Hello again,

For this, you will need to create a custom State Node class and override the OnNodeGUI method as so to make possible to display custom GUI controls within the node. Possibly the easiest way, would be to create a custom node deriving the ActionState class, like for example:

using UnityEngine;

using ParadoxNotion.Design;

using NodeCanvas.StateMachines;

[Name("My State Node")]

public class MyStateNode : ActionState {

///----------------------------------------------------------------------------------------------

///---------------------------------------UNITY EDITOR-------------------------------------------

#if UNITY_EDITOR

protected override void OnNodeGUI(){

base.OnNodeGUI();

if (GUILayout.Button("CLICK ME")){

//do something

}

#endif

///----------------------------------------------------------------------------------------------

}

Doing this will allow you to retain the existing functionality of ActionState, while also possible to add extra GUI Controls like in the above example, a simple button.
If you don’t want to retain the ActionState functionality, then you could also derive from the base class all FSM nodes derive from, that being the FSMState class, and thus possible to create a completely different “type” of state node for able to be added in an FSM.

Let me know if that works for you.
Thank you.

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