[Closed] Select vertex/poly visible in camera view

Hi,

In the current project I would need to develop some tool helping me selecting all visible polys or vertices in the camera. Probably I would need to shoot some rays from the camera and than check if the normal (of a face/vertex) is correct. But than it would still not select “only visible to camera”. Thats just ignore backfacing… I’m not sure how to approach this.

Or maybe there is some sript that does that already?