====== Peeking =======

[[:Agents]], rescued [[:prisoners]] and [[:couriers]], and human [[:guards]] are able to **Peek** during their turn, giving them increased [[:vision]] for the duration of the peek. Peeking functions differently for guards than for player controlled characters.

===== Peeking by agents =====

[[:Agents]], rescued [[:prisoners]] and [[:couriers]] can peek at the cost of 1 AP at any time during their turn. When an [[:agent]] peeks, they gain additional [[:vision]] in the following two ways:

   * The [[:agent]] gets 360° vision from each tile diagonally adjacent to them not blocked by [[:cover#hard cover]] or [[:cover#tall cover]]. In practice, this means that if they are in front of an open [[:door]] or to the side of it and peek, they will see into the room on the other side of the door as if they were in it. If they are standing at the edge of a [[:cover#hard cover|hard corner]] and peek, they will see around the corner.
   * The [[:agent]] will get vision in a 90° cone from the center of any closed [[:doors]] they are directly adjacent to or to the side of.

This [[:vision]] lasts until the agent moves (or is [[:KO|KOed]] or [[:lethal_damage|lethally wounded]]); it will not automatically go away during the [[:corporation]] turn, nor will it be reduced if a door is closed after the peek. This means that it is possible to scout [[:guard_behaviour#patrolling|patrols]] in adjacent rooms by opening the [[:door]], peeking, then closing it again, and not moving the agent again that turn.

[[:Agents]] will never be seen by peeking (unless they peek from a tile watched by a security camera), and the direction the agent is facing does not matter. Peeking is particularly important in [[:modes:Expert Plus]] mode, where danger zones are hidden, and moving agents through doors or around hard corners can result in them being seen by a [[:guard]] or [[:mainframe_devices:security cameras|camera]] that was previously hidden. Conversely, if an [[:agent]] peeks, you can see anything that would see that [[:agent]] on adjacent tiles.

===== Peeking by guards =====

> //We're investigating the scene! // \\ ---[[:guards|A guard]]

Human [[:guards]] peek once they have reached an [[:guard_behaviour#interest point]]. They will open doors before peeking, if they are in front of them. When they peek, all their [[:vision]] cone becomes primary vision, and they turn 45° to the right, then to the left. This means that a guard with a standard 45° primary [[:vision]] cone and 90° secondary [[:vision]] cone will see a total of 180° when peeking. [[:Guards]] always look right before looking left, in case multiple suspicious things are in the room.

[[:Guards]] will also [[:guard_behaviour#interest point|notice]] [[:agents]] that they could see if they were one tile further in the direction they are facing (but cannot from their current tile, due to [[:cover]]), provided the tile in front of them is not a tile providing [[:cover#hard cover]] or [[:cover#tall cover]]. If they [[:guard_behaviour#interest point|notice]] an agent, they will not investigate that tile until their next turn.

[{{:vision:20210110_peek5_draw.png?400|The guard looks left along the green line, noticing Internationale behind cover.}}]
[{{:vision:20210110_peek4_draw.png?400|From a diagonal peek, the guard looks right along the green line, noticing Internationale behind cover.}}]

However, if all tiles looking sideways from that position are in cover from that angle, then the guard will instead try to notice agents by looking forwards from one tile to the side.

[{{:vision:20210110_peek3_draw.png?400|All tiles along the green line are either cover or in cover. The guard checks along the purple line instead and notices Internationale.}}]

[[:agents#Drones]] are not able to peek, even when [[:firewalls|hacked]]; in situations where a [[:guard]] would peek, [[:agents#drones]] use their [[:Local Scanner]] instead.



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