I try to find a way to avoid to go through walls and found the physical boundary feature. Some problems:
* How can I turn the viewer around the current place? (I'm going through a train and want to go back.) The mouse usage destroy the boundary mode.
* Could the boundaries kept also if the mouse is used?
* Some times I fall out the scene and it's difficult to come back. Is there a "back to home" trick?
* My impression is that the virtual body of the walker is to big, I can't go through narrow places. (A 3D man is standing in the middle way of my train and I can go though the space on his side.)
Also it could be nice to define objects as no boundary object, maybe per keyword. I want to go through 3D people standing in my way. Also I would like to go through glass doors without to open it.
I missed a way to fix the standalone to the boundary mode, for example I don't want that my final client goes outside the train interior.