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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.
'''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 Installations=
* {{hl|Navigation Terminal}}
* {{hl|Shuttle Navigation Terminal}}
* {{hl|Sonar Monitor}}
* {{hl|Sonar Transducer}}
=Handheld Sonar=
* {{hl|Handheld Sonar}}
* {{hl|Sonar Beacon}}


=Sonar Modes=
=Sonar Modes=
==Passive Sonar==
==Passive Sonar==
Passive sonar works by simply '''listening''' to sounds being emitted around it's surroundings. As it doesn't emit any sound waves, it allows the player to pass by hostile [[Creatures]] without triggering them. Though this makes navigating the submarine harder as you will need to be close proximity for the sonar device to detect what is around it.
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==
Active sonar works by '''emitting''' sound waves in all directions to detect what is around it. Though this may pose a danger to the player and crew and hostile creatures will now be able to detect your submarine if in hearing range. Since it emits sound waves in all directions, it provides an easier navigating experience.
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===
===Directional Sonar===
Utilizing the same mechanics as Active sonar, Directional sonar allows the player to direct the direction in which the sonar emits sounds. This allows one to view one's surroundings without triggering nearby Creatures.
Utilizing Active sonar, Directional sonar allows the player to control the direction in which the sonar emits sounds.


=Mineral Scanner=
===Mineral Scanner===
The Mineral Scanner allows one to detect nearby [[Minerals]], utilizing the Active sonar (required). Any detected Minerals will display a small hexonal dot. Hovering the mouse over these will show the name of the Mineral
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.
 
[[Plants|Collectable plants]], such as [[Sea Yeast Shroom]], will not be detected by the Mineral Scanner.


<gallery>
<gallery>
Sonar_example2.png
Sonar_example2.png
</gallery>
</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|Shuttle Navigation Terminal}}
* {{hl|Sonar Monitor}}
* {{hl|Sonar Transducer}}
=Handheld Sonar=
* {{hl|Handheld Sonar}}
<!-- * {{hl|Sonar Beacon}} -->


=Visible Objects=
=Visible Objects=
==Humans==
==[[Creatures]]==
Both crewmates and pirates will show up while they are swimming in the water outside the submarine.
<!--
Mention: Creatures, Humans


==[[Creatures]]==
All Creatures are visible to sonar.
All Creatures are visible to sonar.


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Sonar_example4.png
Sonar_example4.png
</gallery>
</gallery>
-->


==[[Wrecks]]==
==Destructable Terrain==
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.
<!--
Mention: Ice Spires, Floating Ice Chunks, Cave Ice, Piezo Crystals


<gallery>
<gallery>
Sonar_example1.png
Piezo_crystal_sonar_echo.jpg
</gallery>
</gallery>


==Pirates==
<gallery>
(To do)
Ice_Spire_Sonar.png
</gallery>
-->


==[[Ice Spires]]==
==Artificial Structures==
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.
<!--
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>
Ice_Spire_Sonar.png
Sonar_example1.png
</gallery>
</gallery>
-->


==Currents==
==Sonar Disruption==
Strong currents capable of pushing, pulling, and shaking the submarine are visible as wavy blue lines.
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>
File:Sonar Flora.png|An example of how Sonar Flora disrups the Sonar
File:barotrauma_volcano_002 - Copy.jpg|A Volcano on sonar
</gallery>
<!--
Sonar Flora, Volcanoes, Nuclear Explosions


<gallery>
<gallery>
Sonar_currents.jpg
Sonar_example3.png
</gallery>
</gallery>
-->


==[[Ballast Flora]]==
==[[Ballast Flora]]==
Line 75: Line 98:
</gallery>
</gallery>


==[[Sonar Flora]]==
==Currents==
Orange speckles identify a zone of Sonar Flora, disrupting the sonar signal in that area.
Strong currents capable of pushing, pulling, and shaking the submarine are visible as wavy blue lines.


<gallery>
<gallery>
Sonar_example3.png
Sonar_currents.jpg
</gallery>
</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>
Piezo_crystal_sonar_echo.jpg
</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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