In case anyone is interested, I just downloaded the source code a little while ago, and added strafing (the ability to move left and right, while still looking forward).

I also made rotating the camera a little less jerky.

I don't want to step on anyone's toes, by committing my changes to the ...

In virtual visit mode:

Suggestion 1: honor physical boundaries (e.g., if I reach a wall, it should stop and require me to find a door).

Suggestion 2: ability to "strafe" (i.e., to step left or right, while still looking forward).

Suggestion 3: ability to select an item, and move or edit it ...