Trigger visibility when tracking image is out of screen + fade visibility

i hope i am not reposting something already solved, but i could not find anything:
I am working on a simple 3D model tracked to an image. I want the object to fade in the first time i scan the tracked image and fade out when the tracked image is off screen, and so on. is it possible to make it without scripting?



Use seen / not seen. It can be done with the display controller.


thanks Steve. how do I trigger the change of state visible/hidden when the tracking image is/isn’t on the device’s screen?

Tracking.zpp (654.1 KB)

Here is the zapworks demo for tracking with a 3d model