Sketch mode for editing and playtesting feedback

The above images illustrates a new feature that allows anyone to draw lines onto 3d objects to indicate a spawn location, a fault in level design or any other kind of feedback that can help debug or improve gameplay.

The lines are for debugging only and will remain in a level until erased/deleted.

Update: Video

more info: http://coreenginedev.blogspot.com/2010/09/engine-update-sketching-in-3d.html