I think triggering in-game movement by some physical movement - it doesn't even have to map one-to-one to physical steps - does a lot to create a notion of cont

I think triggering in-game movement by some physical movement - it doesn't even have to map one-to-one to physical steps - does a lot to create a notion of control over what is happening, removing the queasy 'whole world is sliding around ' feeling. After all, we learn to move our legs in circles to move forward (when on a bike), pull on a set of handlebars (when rowing), etc., without becoming sick over it.