Maintaining a sense of self
In VR, you could just be a floating one-dimensional eyeball in virtual space (like our initial
Diorama camera), a normal human being, or maybe some full-bodied space creature. We have focused on walking around the scene and discussed how to set the camera height to the eye level. The implication was that someone experiencing VR has a sense of their own body. However, the camera height actually only makes sense when there's also a ground plane or some other stable reference point in your vicinity. When you're flying around like a bird, plane, or Superman, then the body height may not matter much.
Yet in the physical world, we all really do have bodies, and our brains kind of expect that. Issues surrounding the sense of ...