How To Make Each Component Of A 3d Opengl Object Touchable In Android?

let's say I have a 3d car model displayed using GLSurfaceView in Android. This model consists of many components, is that possible to control each of them or make each of them resp

Solution 1:

I think you are looking for ray picking or ray intersection.

This answer has a link to a iOS sample/video which I believe is what you are after. https://gamedev.stackexchange.com/questions/12360/how-do-you-determine-which-object-surface-the-users-pointing-at-with-lwjgl/12367#12367

Another related SO question: Implementing Ray Picking

That should get you started on what you need to do.