Difference between revisions of "Line of sight"
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[[Line of sight]] (often abbreviated to '''LOS''') refers to the portion of the Dungeon that you can see. The default LOS used by most species is out to 7 spaces, or a 15x15 square. | [[Line of sight]] (often abbreviated to '''LOS''') refers to the portion of the Dungeon that you can see. The default LOS used by most species is out to 7 spaces, or a 15x15 square. | ||
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There are some ways to change your line of sight: | There are some ways to change your line of sight: | ||
* A [[scarf]] of shadows reduces LOS by 1. | * A [[scarf]] of shadows reduces LOS by 1. | ||
| − | * The [[Robe of Night]] reduces LOS by 25%. | + | * The [[Robe of Night]] reduces LOS by 25%, rounded down. |
| − | * [[Kobold]]s start with rank 3 of [[Nightstalker]], reducing LOS by 3 tiles. | + | * [[Kobold]]s start with rank 3 of [[Nightstalker]], reducing LOS by 3 tiles to 4 spaces (9x9 square). |
* [[Barachim]] have an innate mutation that increases their default LOS by 1, to a total of 8 spaces (17x17 square). | * [[Barachim]] have an innate mutation that increases their default LOS by 1, to a total of 8 spaces (17x17 square). | ||
| − | Line of sight is similar to, but distinct from, "line of effect" (i.e. the area of the Dungeon you may interact with). Most of the time, they are interchangeable, but some situations may result in places you can see but not affect (such as tiles behind transparent [[wall]]s) or can affect but cannot see (such as | + | Line of sight is similar to, but distinct from, "line of effect" (i.e. the area of the Dungeon you may interact with). Most of the time, they are interchangeable, but some situations may result in places you can see but not affect (such as tiles behind transparent [[wall]]s) or can affect but cannot see (such as shooting a fireball into a [[cloud]] of smoke). |
The following picture shows tiles within the default field of view with their grid distance. | The following picture shows tiles within the default field of view with their grid distance. | ||
Revision as of 21:43, 1 August 2022
Version 0.28: This article may not be up to date for the latest stable release of Crawl.
Line of sight (often abbreviated to LOS) refers to the portion of the Dungeon that you can see. The default LOS used by most species is out to 7 spaces, or a 15x15 square.
There are some ways to change your line of sight:
- A scarf of shadows reduces LOS by 1.
- The Robe of Night reduces LOS by 25%, rounded down.
- Kobolds start with rank 3 of Nightstalker, reducing LOS by 3 tiles to 4 spaces (9x9 square).
- Barachim have an innate mutation that increases their default LOS by 1, to a total of 8 spaces (17x17 square).
Line of sight is similar to, but distinct from, "line of effect" (i.e. the area of the Dungeon you may interact with). Most of the time, they are interchangeable, but some situations may result in places you can see but not affect (such as tiles behind transparent walls) or can affect but cannot see (such as shooting a fireball into a cloud of smoke).
The following picture shows tiles within the default field of view with their grid distance.
777777777777777 766666666666667 765555555555567 765444444444567 765433333334567 765432222234567 765432111234567 7654321@1234567 765432111234567 765432222234567 765433333334567 765444444444567 765555555555567 766666666666667 777777777777777
Strategy
If you can't see them, they can't see you. With very few exceptions, enemies that can't see you can't attack you.
There are several ways to break your line of sight with an enemy:
- Teleporting/blinking out of range
- Closing doors
- Turning a corner
- Reading a scroll of fog
- Going up/down stairs or shafts
- Imprisoning them, or yourself
- Running away faster than they can chase you.
History
- In 0.26, scarves of shadows were added, the Darkness spell was removed, and Nightstalker was changed from a potential Demonspawn mutation to a Kobold innate ability.
- In 0.20, Barachim and their unique +LOS mutation were added.
- Prior to 0.19, the Shadow card existed and could be used to further reduce the player's LOS.
- Prior to 0.18, the lantern of shadows existed and could be used to further reduce the player's LOS.
- Prior to 0.17, line of sight was circular with a radius of about 8.
- In 0.7, the developers made an undocumented change to the LOS. Ranges became circular, so every spell and ability with a set range got about two squares lopped off the diagonals. Stealthy characters could reach their target in 5 squares (instead of 8) at certain angles.
