Selected entity question

[Pixero]

Short question.
Is:

Sketchup.active_model.active_entities[0] 

the selected entity?

[jiminy-billy-bob]

No, these are the entities in the open group or component instance.

You want:

Sketchup.active_model.selection[0]

Class: Sketchup::Selection

A set of the currently selected drawing elements.

SketchUp Ruby API Documentation (ruby.sketchup.com)

[Pixero]

Thanks. That was what I suspected.
Now I need to find a way to do what I want to do from the selection.
A side question. What about getting the selected material?
Sketchup.active_model.materials[0] won’t do it then either I guess?

[jiminy-billy-bob]

That would be Sketchup.active_model.materials.current

[TIG]

That method gives you the current 'active' material in the model.
But... if you want to get a material from the currently selected entity, then you use:

mat = Sketchup.active_model.selection[0].material

However, you might be better off filtering the selection, until you get an entity of the kind you want... e.g.

face = Sketchup.active_model.selection.grep(Sketchup;;Face)[0]
mat = nil
mat = face.material if face

Where the first face in the selection returns its material, or nil...

[Pixero]

Thanks, I read in a older post somewhere, and I think it was by Thomthom, that there was a bug that could Bugsplat SU when using materials.current if there wasn't any materials in SU. Do you know if that still is an issue or if it has been fixed?

[TIG]

Why do you need to get the model.materials.current ?
You could pre-set it using model.materials.current = a_material
Having previously set a_material = model.materials["A_Name"]

You haven't really explained the full context......

[Pixero]

They are just for two small snippets that I will need some advise from Thomasz (Thea settings) to make them properly.
I'm just preparing for when he will have some time to look into it...