Threshold is something that connects A and B;

Connection: transform? gradient? sharp turn? simple tunnel? Nothing? Straight connect?

A and B, must be able to exist on their own;

Distance = Journey

The way of how to play? Playfulness? Can be played.

Avoid technical stuck....

Inspiring Artists:

https://techgnosis.com/char-davies-osmose/

https://www.carlburton.io/

Determine the time of what to happen?

Determine where the player is looking at to make something happen?

https://en.wikipedia.org/wiki/Event_horizon

https://en.wikipedia.org/wiki/Event_horizon

Can we change the speed of your camera?

superliminal - game

https://en.wikipedia.org/wiki/Akashic_records

https://en.wikipedia.org/wiki/Akashic_records