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Line 2: − + − |[[File:Smoke Button.png|thumb|220px|Smoke activation button next to the Formation ones.]]+ − |[[File:Deployed smoke large.png|thumb|220px|Example of a large smoke deployed.]]+ − |}+ − + + + + + + + − ''{{Colour|red|This mechanic is still under investigation!}}+ − ;Activation+ − + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + − + − + − + − + − + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + − + + + + + + + + +
no edit summary
==Mechanics==
==Mechanics==
<onlyinclude>{|align=right
<onlyinclude>{{Smoke}} '''[[Smoke Generator]]s''' can be used in combat to deploy a smoke screen.
<tabber>
|-|Generality=
[[File:Deployed smoke large.png|thumb|220px|Example of a large smoke deployed.]]
{{Smoke}} '''[[Smoke Generator]]s''' can be used in combat to deploy a smoke screen.
*There are 3 smoke screen sizes, being '''Small < Medium < Large.
**The maximum smoke size that can be generated is dependent on the number of smoke generators, being respectively 1/2/3.
**Note that {{Star}} [[improvement]]s also affect the maximum smoke level possible.
*It sharply reduces the accuracy of all fleets, proportionally to the smoke screen size (the hit rate is still capped at 11%).
**This effect can be partially bypassed by using radars (both sides).
*The effect will last for the day battle, even so the animation will fade before the battle's end.
{{Clear}}
|-|Activation Requirements=
[[File:Smoke Button.png|thumb|220px|Smoke activation button next to the Formation ones.]]
*If equipped, it can be activated with a specific button when [[Fleet Preview|selecting the formation]].
*If equipped, it can be activated with a specific button when [[Fleet Preview|selecting the formation]].
**It can be activated multiple times per sortie until it triggers, being triggerable once, in day battle.
**It can be activated multiple times per sortie until it triggers, '''being triggerable once''', in day battle only.
*It cannot be activated in [[Exercises]] in the current implementation.
*It cannot be activated in [[Exercises]] in the current implementation.
*The trigger rate is not 100% and depends on the fleet's flagship's luck {{Luck}}, as well as the amount and type of Smoke Generators used.
*The trigger rate is not 100% and depends on the fleet's flagship's luck {{Luck}}, as well as the amount and type of Smoke Generators used.
**For combined fleets, it is the luck of the main flagship.
**For combined fleets, it is the luck of the main flagship.
**The size of the triggered smoke screen depends on how many smoke generators are used.
*It will only trigger at the beginning of the [[Shelling]] phase.
*It will only trigger at the beginning of the [[Shelling]] phase.
{{Clear}}
|-|Trigger Rate=
[[File:Smoke Size.png|thumb|220px|The 3 different smoke size]]
*The trigger rate depends on:
**The number of "Smoke Generators" in the fleet,
**The flagship [[Level]] and {{Luck}} '''Luck''' (secretary for [[Combined Fleet]]s),
**{{Star}} [[improvement]]s of the generator.
*Regarding the equipment:
** Each {{Equipment/Link|Smoke Generator (Smoke Screen)}} counts as 1,
** Each {{Equipment/Link|Smoke Generator Kai (Smoke Screen)}} counts as 2,
** {{Star}} [[improvement]]s of the generator can also count as 1 ([https://twitter.com/Nanano88_/status/1777318858845749464][https://twitter.com/DjArpeggio/status/1777361218925420902?t=LadScMNhTupd4Gbj-LkZSw&s=19]).
Two formulas have been determined to approximate the trigger rate of smoke screens.
*The 2nd formula is based on the 1st one with additional hypothesis,
*A measurement of the trigger rate can be found ''[https://docs.google.com/spreadsheets/d/1I_HMplw81mR7g9_jUKRmI7ylhlhKkuvGKtrpj3DJ9zo/edit#gid=0 here]'',
*Both formulas can be directly compared ''[https://docs.google.com/spreadsheets/d/1tEqI13g2LmzR0L8N-I39W6mgmAyc8DxJ-R0_qlEkjlQ/edit?gid=1505561028#gid=1505561028 here]''.
*It is possible to have a total trigger rate for all 3 sizes of 100%, giving the FS has enough luck & enough generators are used.
{|class="wikitable mw-collapsible mw-collapsed" width="100%"
!colspan=3|Trigger Rate Formula 1 [https://x.com/yukicacoon/status/1739481809375895854]
|-
|colspan=3|
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"|<math>\text{P}_\text{0} = 3.2 - 0.2 \times \text{K} - \text{N}_\text{Generator}</math>
|}
*''If <math> \text{Luck}_\text{flag} ≥ 1 \text{ & } \text{N}_\text{Generator} ≥ 3</math>, then <math>\text{P}_\text{0} = 0</math>
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\text{K} = \bigg\lceil \sqrt{ \text{Luck}_\text{flag} } + 0.3 \times \bigstar_\text{base} + 0.5 \times \bigstar_\text{Kai} \bigg\rceil</math>
|}
|-
!<math>\text{N}_\text{Generator} = 1</math>
!<math>\text{N}_\text{Generator} = 2</math>
!<math>\text{N}_\text{Generator} ≥ 3</math>
|-
|
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\begin{align}
\text{P}_\text{1} &= 1 - \text{P}_\text{0} \\
\text{P}_\text{2} &= 0 \\
\text{P}_\text{3} &= 0
\end{align}</math>
|}
|
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\begin{align}
\text{P}_\text{1} &= 1 - \text{P}_\text{0} - \text{P}_\text{2} \\
\text{P}_\text{2} &= 0.05 \times ( 1 - \text{P}_\text{0} ) \times ( \text{K} + 2 ) \\
\text{P}_\text{3} &= 0
\end{align}</math>
|}
|
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\begin{align}
\text{P}_\text{1} &= 1 - \text{P}_\text{2} - \text{P}_\text{3} \\
\text{P}_\text{2} &= \min ( 0.3 ; 1 - \text{P}_\text{3}) \\
\text{P}_\text{3} &= X \times \text{K} + 0.15 \times ( \text{N}_\text{Generator} - 3 )
\end{align}</math>
|}
*''The X coefficient is unclear yet, being about 0.04~0.045.
|-
|colspan=3|
;With
*<math>\text{P}_\text{0}, \text{P}_\text{1}, \text{P}_\text{2}, \text{P}_\text{3}</math> the respective rates for the trigger of smokes levels 0 to 3,
*<math>\text{N}_\text{Generator}</math> the amount of Smoke Generators:
**Each [[Smoke Generator (Smoke Screen)|base generator]] count as 1,
**Each [[Smoke Generator Kai (Smoke Screen)|Kai generator]] count as 2,
**A very high [[improvement]] {{Star}} level (~ ≥ 17) counts as 1.
*<math>\text{Luck}_\text{flag}</math> the flagship's luck,
*<math>\bigstar_\text{base}</math> the total [[improvement]] {{Star}} level of the [[Smoke Generator (Smoke Screen)|base generators]],
*<math>\bigstar_\text{Kai}</math> the total [[improvement]] {{Star}} level of the [[Smoke Generator Kai (Smoke Screen)|Kai generators]],
|}
;Once activated
{|class="wikitable mw-collapsible mw-collapsed" width="100%"
*The amount and type of Smoke Generators used affects the effect of the smoke screen.
!colspan=3|Trigger Rate Formula 2 [https://x.com/Xe_UCH/status/1767407602554855730]
*It sharply reduces the combat effectiveness of all fleets by decreasing their accuracy.
|-
**Enemies equipped with radar can bypass this effect.
|colspan=3|
*The effect will last for a limited duration.</onlyinclude>
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"|<math>\text{Level 0}_\text{Rate %} = \max \big( 0 ; \min ( 100 ; 3.2 - 0.2 \times \text{K} - \text{N}_\text{Generator} ) \big)</math>
|}
*''If <math> \text{Luck}_\text{flag} ≥ 1 \text{ & } \text{N}_\text{Generator} ≥ 3</math>, then <math>\text{Level 0}_\text{Rate %} = 0</math>
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\text{K} = 5 \times \text{N}_\text{Generator} + 1.5 \times \sqrt{ \text{Luck}_\text{flag} } + 0.3 \times \bigstar_\text{base} + 0.5 \times \bigstar_\text{Kai}</math>
|}
|-
!<math>\text{N}_\text{Generator} = 1</math>
!<math>\text{N}_\text{Generator} = 2</math>
!<math>\text{N}_\text{Generator} ≥ 3</math>
|-
|
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\begin{align}
\text{Level 1}_\text{Rate %} &= 100 - \text{Level 0}_\text{Rate %} \\
\text{Level 2}_\text{Rate %} &= 0 \\
\text{Level 3}_\text{Rate %} &= 0
\end{align}</math>
|}
|
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\begin{align}
\text{Level 1}_\text{Rate %} &= ( 100 - \text{Level 2}_\text{Rate %} ) \times ( 1 - \text{Level 0}_\text{Rate %} ) \\
\text{Level 2}_\text{Rate %} &= ( 3 \times \big\lceil \text{K} - 5 \big\rceil + 1 ) \times ( 1 - \text{Level 0}_\text{Rate %} ) \\
\text{Level 3}_\text{Rate %} &= 0
\end{align}</math>
|}
|
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\begin{align}
\text{Level 1}_\text{Rate %} &= \min ( 0 ; 100 - \text{Level 2}_\text{Rate %} - \text{Level 3}_\text{Rate %}) \\
\text{Level 2}_\text{Rate %} &= \min ( 30 ; 100 - \text{Level 3}_\text{Rate %} ) \\
\text{Level 3}_\text{Rate %} &= 3 \times \big\lceil \text{K} - 15 \big\rceil + 1
\end{align}</math>
|}
|-
|colspan=3|
;With
*<math>\text{N}_\text{Generator}</math> the amount of Smoke Generators:
**Each [[Smoke Generator (Smoke Screen)|base generator]] count as 1,
**Each [[Smoke Generator Kai (Smoke Screen)|Kai generator]] count as 2,
**A very high [[improvement]] {{Star}} level (~ ≥ 17) counts as 1.
*<math>\text{Luck}_\text{flag}</math> the flagship's luck,
*<math>\bigstar_\text{base}</math> the total [[improvement]] {{Star}} level of the [[Smoke Generator (Smoke Screen)|base generators]],
*<math>\bigstar_\text{Kai}</math> the total [[improvement]] {{Star}} level of the [[Smoke Generator Kai (Smoke Screen)|Kai generators]],
|}
{{Clear}}
|-|Accuracy Effect=
*The smoke gives an [[Accuracy]] malus to both fleets when used:
**{{Color|red|Please note that these are initial estimations and are subject to change.}}
** It is currently unknown if the airstrike accuracy is affected by the smoke.
** Some modifiers are near {{Color|red|impossible}} to determine because the fleet hit the lower bound hit rate (11% hard cap).
** There are some inconsistencies between "old" and "new" enemies.
** Having a ([[Surface Radar|surface ?]]) [[radar]] equipped reduces the smoke effect for both fleets, but only for the shelling phase.
{|class="wikitable mw-collapsible mw-collapsed" style="text-align:center"
!colspan=5|<math>\text{Mod}_\text{smoke}</math><ref>https://twitter.com/Divinity_123/status/1707331554228195746</ref>
|-
!colspan=5|Day Shelling
|-
!Fleet!!Radar Equipped!!Type 1!!Type 2!!Type 3
|-
|rowspan=2|Allied
|No||< 0.3||< 0.33||< 0.37
|-
|Yes||0.35||0.25||< 0.37
|-
|rowspan=2|Enemy
|No||< 0.69||< 0.7||< 0.7
|-
|Yes||0.91||0.83||0.75
|-
!colspan=5|[[Special Attack]]s<ref>https://x.com/matsu_class_dd/status/1810389374548443411?s=46&t=wqdHOiwZafhjQcIf6bODGA</ref>
|-
|colspan=2|Allied||colspan=3|1
|-
!colspan=5|Torpedo Phases
|-
!colspan=2|Fleet!!Type 1!!Type 2!!Type 3
|-
|colspan=2|Allied||0.45||0.42||0.42
|-
|colspan=2|Enemy||0.7||0.6||0.5
|-
!colspan=5|ASW
|-
|colspan=2|Allied||colspan=3|0.25
|-
|colspan=2|Enemy||colspan=3|1
|}
<references/>
==Listed by stats==
|-|AA Effect=
*[[AA#Proportional and Fixed shootdowns|AA]] effects:
**The smoke affects the allied shootdown but not the enemy shootdown.
**No fixed shootdown above 2 has been observed under a smoke.
**The guaranteed shootdown does not seem to be affected.
**A modifier to the '''Adjusted AA''' is suspected but there is not enough data to confirm it.
* The [[Smoke]] reduce the [[Anti-Air Rocket Barrage]] trigger rate either directly or by reducing the '''Adjusted AA'''.
</tabber></onlyinclude>
==Listed By Stats==
{{EquipmentComparisonKai
{{EquipmentComparisonKai
|iterator = equipmentByTypeAndIcon|type = 54|icon = 54
|iterator = equipmentByTypeAndIcon|type = 54|icon = 54