Poncho, it looks as though constantexpected is using [urlhttp://www.panda3d.org/reference/1.8.0/python/classpanda3d.core.NodePath.php#a7ca60ef5f87290aab210490ec661db88]this “headsUp” method[/url].
constantexpected, I haven’t tried out your code, but it looks like a rather cool and potentially useful piece of code. Thank you for sharing it! 