SceneKit - How to paint specific parf of imported model?

🎤 General Discussion iOS
1

Hi,

I want to make an app, basically change a color some part of imported model. I used Xcode sample Scenekit project to change aircraft wing but I don’t know how to do it. I’m reading apple documentation but I don’t know which keyword do i search.

I’ve added source code link and picture below

Screen Shot 2016-08-24 at 11.jpg1154×688 157 KB

Here is the code ;