modular_nova/modules/peering/code/peering.dm 
| PEER_MAX_OFFSET | Furthest, in tiles, the view can be shifted when peering into the distance. |
|---|---|
| PEER_MIN_DISTANCE | The clicked turf must be at least this many tiles away for us to peer toward it. |
| /datum/element/peering | Holds a mob's view shifted off of itself while it peers into the distance, and slides it back on whenever anything would leave the view stuck crooked. |
Define Details
PEER_MAX_OFFSET 
Furthest, in tiles, the view can be shifted when peering into the distance.
PEER_MIN_DISTANCE 
The clicked turf must be at least this many tiles away for us to peer toward it.