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m (→‎Mineral Finder: Linked plants page, and changed 'dots' to 'hexagons'. Also, I think collectable is more correct than collectible.)
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{{Version|stub=yes|stubnote=poor quality information, to add: finer details of sonar like engine/reactor, update rates, ranges, and relation to creature aggro}}
{{Version|stub=yes|stubnote=poor quality information, to add: finer details of sonar like engine/reactor, update rates, ranges, and relation to creature aggro, better quality media}}
{{DisambigMsg|the game mechanic|other uses|Sonar (Disambiguation)}}
{{DisambigMsg|the game mechanic|other uses|Sonar (Disambiguation)}}
Sonar in Barotrauma is used to navigate the underwater abyss, locate objectives, and identify threats. Some installations and handheld items have the added benefit of mineral finding.
 
=Installations=
'''Sonar''' in Barotrauma is used to navigate the underwater abyss, locate objectives, and identify threats. Some installations and handheld items have the added benefit of mineral finding.
The following objects can be installed on the submarine itself.
 
=Sonar Modes=
==Passive Sonar==
Passive sonar works by ''listening'' to the surrounding environment. Because sound is not being emitted, the player can stealthily pass by hostile [[Creatures]] without attracting them; though other [[Installations]] (e.g., {{hl|Large Engine}}) may produce sound which can attract Creatures. A downside is that the submarine must be within close proximity of the surrounding terrain; though surroundings that emit louder signals (e.g., [[Alien Ruins]]) will be more lit up on the Sonar monitor without having to be in close proximity.
 
==Active Sonar==
Active sonar works by ''emitting'' sound waves in all directions to map the environment. While emitting sound, creatures can be attracted to the sound and will prove hazardess if unprepared. With its risks, it allows greater ease of steering the submarine.
 
===Directional Sonar===
Utilizing Active sonar, Directional sonar allows the player to control the direction in which the sonar emits sounds.
 
===Mineral Scanner===
Utilizing Active sonar, the Mineral Scanner can detect nearby [[Minerals]]. Any detected Minerals will be marked with a small hexonal dot. Hovering the mouse over these will display the name of the Mineral. [[Plants|Collectable plants]], such as [[Sea Yeast Shroom]], will not be detected by the Mineral Scanner.
 
<gallery>
Sonar_example2.png
</gallery>
 
<!--
==Technical Notes==
The Sonar screen that can be seen in the Nav Terminal, Sonar Monitor, or Shuttle Navigation Terminal shows a radius of 100m (10,000cm). Each ping with Active sonar extends to that radius.
-->
 
<!--
(Sonar.Range * ping.Range) / zoom
Range * activePings[pingIndex] / zoom
Go more in depth once a better understanding is gained
-->
 
=Sonar Installations=
* {{hl|Navigation Terminal}}
* {{hl|Navigation Terminal}}
* {{hl|Shuttle Navigation Terminal}}
* {{hl|Shuttle Navigation Terminal}}
* {{hl|Sonar Monitor}}
* {{hl|Sonar Monitor}}
* {{hl|Sonar Transducer}}
* {{hl|Sonar Transducer}}
=Handheld Items=
 
The following items are portable.
=Handheld Sonar=
* {{hl|Handheld Sonar}}
* {{hl|Handheld Sonar}}
* {{hl|Sonar Beacon}}
<!-- * {{hl|Sonar Beacon}} -->
=Passive vs Active Scanning=
 
Passive scanning:
=Visible Objects=
* Completely silent
==[[Creatures]]==
* Receives sound sources from anywhere, including far away if it is loud enough
<!--
* Makes it difficult to see things that don't make sound (cavern walls, ship wrecks, etc), unless in extremely close proximity
Mention: Creatures, Humans
Active scanning:
* Sends pings in a 360 degree circle outward from the center of the submarine, identifying objects that the ping bounces off of
* Very loud
* Very easy to see everything in range
=Directional Ping=
This function allows active scanning to focus into a narrow field of view.


The direction of the ping can be clicked and dragged to move it along a 360 degree circle.
All Creatures are visible to sonar.


It does not reduce sonar profile in any way compared to active sonar.
=Mineral Finder=
With the Mineral Finder enabled, a single ping will immediately cause nearby minerals to appear as small, white hexagonal dots. Hovering the mouse over these hexagon icons will show the name of mineral. [[Plants|Collectable plants]], such as [[Sea Yeast Shroom]], will not show up on sonar.
<gallery>
<gallery>
File:Sonar_example2.png
Sonar_example4.png
</gallery>
</gallery>
=Visible Objects=
-->
==Humans==
 
Both crewmates and pirates will show up while they are swimming in the water outside the submarine.
==Destructable Terrain==
==[[Creatures]]==
<!--
All Creatures are visible to sonar.
Mention: Ice Spires, Floating Ice Chunks, Cave Ice, Piezo Crystals
 
<gallery>
Piezo_crystal_sonar_echo.jpg
</gallery>
 
<gallery>
<gallery>
File:Sonar_example4.png
Ice_Spire_Sonar.png
</gallery>
</gallery>
==[[Wrecks]]==
-->
Dormant, destroyed submarines are usually identified by a large oval teetering over the edge of an underwater cliff. These wrecks are sometimes occupied by an aggressive creature that takes over the sub's guns and uses them when threatened. Approach these from the bottom and sides, not from the top.
 
==Artificial Structures==
<!--
Mention: Outposts, Beacon Stations, Wrecks, Ruins
 
Dormant, destroyed submarines are usually identified by a large oval teetering over the edge of an underwater cliff.
<gallery>
<gallery>
File:Sonar_example1.png
Sonar_example1.png
</gallery>
</gallery>
==Pirates==
-->
(To do)
 
==[[Ice Spires]]==
==Sonar Disruption==
Long, green lines jutting out from cavern walls are Ice Spires. These can be destroyed with turrets or a [[Plasma Cutter]], breaking the ice and making the area immediately passable.
Appearing as orange dots on the sonar, disruption occurs when something is obstructing the sonar's scanning capabilities. Can be caused by a multitude of different factors, such as [[Sonar Flora]], [[Volcanoes]], or EMP effects, like the attacks from a [[Black Moloch]]. When inside a sonar disruption field, it will be more difficult to navigate the submarine as terrain will improperly appear on the sonar, or not at all.
<gallery>
<gallery>
File:Ice_Spire_Sonar.png
File:Sonar Flora.png|An example of how Sonar Flora disrups the Sonar
File:barotrauma_volcano_002 - Copy.jpg|A Volcano on sonar
</gallery>
</gallery>
==Currents==
<!--
Strong currents capable of pushing, pulling, and shaking the submarine are visible as wavy blue lines.
Sonar Flora, Volcanoes, Nuclear Explosions
 
<gallery>
<gallery>
File:Sonar_currents.jpg
Sonar_example3.png
</gallery>
</gallery>
-->
==[[Ballast Flora]]==
==[[Ballast Flora]]==
The parasitic Ballast Flora will appear as tiny blue specks.
The parasitic Ballast Flora will appear as tiny blue specks.
<gallery>
<gallery>
File:Ballast_Flora_Sonar.gif
Ballast_Flora_Sonar.gif
</gallery>
</gallery>
==[[Sonar Flora]]==
 
Orange speckles identify a zone of Sonar Flora, disrupting the sonar signal in that area.
==Currents==
Strong currents capable of pushing, pulling, and shaking the submarine are visible as wavy blue lines.
 
<gallery>
<gallery>
File:Sonar_example3.png
Sonar_currents.jpg
</gallery>
==[[Piezo Crystals]]==
A bright white chunk identifies Piezo Crystals, capable of short-circuiting submarine electronics when approached, and will explode violently when destroyed.
<gallery>
File:Piezo_crystal_sonar_echo.jpg
</gallery>
</gallery>


{{Game Mechanics nav}}
[[Category:Game Mechanics]]
[[Category:Game Mechanics]]

Latest revision as of 12:22, 27 March 2024

Data is potentially outdated
Last updated for an unknown version
Last mentioned in changelog 1.4.4.1
The current game version is 1.4.6.0
Stub Notes: poor quality information, to add: finer details of sonar like engine/reactor, update rates, ranges, and relation to creature aggro, better quality media
This article is about the game mechanic. For other uses, see Sonar (Disambiguation).

Sonar in Barotrauma is used to navigate the underwater abyss, locate objectives, and identify threats. Some installations and handheld items have the added benefit of mineral finding.

Sonar Modes

Passive Sonar

Passive sonar works by listening to the surrounding environment. Because sound is not being emitted, the player can stealthily pass by hostile Creatures without attracting them; though other Installations (e.g., Large Engine) may produce sound which can attract Creatures. A downside is that the submarine must be within close proximity of the surrounding terrain; though surroundings that emit louder signals (e.g., Alien Ruins) will be more lit up on the Sonar monitor without having to be in close proximity.

Active Sonar

Active sonar works by emitting sound waves in all directions to map the environment. While emitting sound, creatures can be attracted to the sound and will prove hazardess if unprepared. With its risks, it allows greater ease of steering the submarine.

Directional Sonar

Utilizing Active sonar, Directional sonar allows the player to control the direction in which the sonar emits sounds.

Mineral Scanner

Utilizing Active sonar, the Mineral Scanner can detect nearby Minerals. Any detected Minerals will be marked with a small hexonal dot. Hovering the mouse over these will display the name of the Mineral. Collectable plants, such as Sea Yeast Shroom, will not be detected by the Mineral Scanner.


Sonar Installations

Handheld Sonar

Visible Objects

Creatures

Destructable Terrain

Artificial Structures

Sonar Disruption

Appearing as orange dots on the sonar, disruption occurs when something is obstructing the sonar's scanning capabilities. Can be caused by a multitude of different factors, such as Sonar Flora, Volcanoes, or EMP effects, like the attacks from a Black Moloch. When inside a sonar disruption field, it will be more difficult to navigate the submarine as terrain will improperly appear on the sonar, or not at all.

  • An example of how Sonar Flora disrups the Sonar

    An example of how Sonar Flora disrups the Sonar

  • A Volcano on sonar

    A Volcano on sonar

Ballast Flora

The parasitic Ballast Flora will appear as tiny blue specks.

Currents

Strong currents capable of pushing, pulling, and shaking the submarine are visible as wavy blue lines.

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Game Mechanics
Game Modes
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