feat: max dispersion

src/app/tools/compare/page.tsx

@@ -1299,6 +1299,12 @@ export default function Page() {
                   deltaType="lowerIsBetter"
                   decimals={3}
                 />
+                <Row
+                  name="Max dispersion"
+                  value="maxDispersion"
+                  deltaType="lowerIsBetter"
+                  decimals={3}
+                />
                 <Row name="Gun depression" value="gunDepression" decimals={1} />
                 <Row name="Gun elevation" value="gunElevation" decimals={1} />
               </Table.Body>

src/app/tools/tankopedia/[id]/components/Characteristics/index.tsx

@@ -388,6 +388,15 @@ export function Characteristics() {
           >
             {stats.dispersionGunDamaged}
           </InfoWithDelta>
+          <InfoWithDelta
+            decimals={3}
+            indent
+            name="Maximum"
+            unit="m"
+            deltaType="lowerIsBetter"
+          >
+            {stats.maxDispersion}
+          </InfoWithDelta>
           <Info name="Gun flexibility" unit="°" />
           <InfoWithDelta decimals={1} indent name="Depression">
             {stats.gunDepression}

src/core/blitzkit/tankCharacteristics.ts

@@ -364,6 +364,14 @@ export function tankCharacteristics(
   const shellVelocity = shell.speed * shellVelocityCoefficient;
   const aimTime = gun.aimTime * aimTimeCoefficient;
   const dispersion = gun.dispersion.base * dispersionStillCoefficient;
+  const maxDispersion =
+    gun.dispersion.base *
+    Math.sqrt(
+      ((gun.dispersion.traverse * turret.traverseSpeed) ** 2 +
+        (track.dispersion.traverse * track.traverseSpeed) ** 2 +
+        track.dispersion.move * tank.speed.forwards) **
+        2,
+    );
   const dispersionMoving = track.dispersion.move * dispersionMovingCoefficient;
   const dispersionHullTraversing =
     track.dispersion.traverse * dispersionHullTraverseCoefficient;
@@ -474,6 +482,7 @@ export function tankCharacteristics(
     shellVelocity,
     aimTime,
     dispersion,
+    maxDispersion,
     dispersionMoving,
     dispersionHullTraversing,
     dispersionTurretTraversing,