From 7b567e5ec88ee5ee390eb0d8458bdbf425174ca5 Mon Sep 17 00:00:00 2001
From: Adrian Kunz <a.kunz@uni-kassel.de>
Date: Tue, 13 Aug 2024 11:01:07 +0200
Subject: [PATCH] fix: Weight ships by speed^2 - larger ships are much less
 likely

---
 src/fleet/fleet.service.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/fleet/fleet.service.ts b/src/fleet/fleet.service.ts
index 5b162bd..a48df98 100644
--- a/src/fleet/fleet.service.ts
+++ b/src/fleet/fleet.service.ts
@@ -57,8 +57,8 @@ export class FleetService extends MongooseRepository<Fleet> {
       const shipCount = 5 + Math.randInt(11);
       const size: Fleet['size'] = {};
       for (let i = 0; i < shipCount; i++) {
-        // weighted selection of ship types by speed - smaller ships are more likely
-        const shipType = shipTypes.randomWeighted(type => SHIP_TYPES[type].speed);
+        // weighted selection of ship types by speed^2 - smaller ships are much more likely
+        const shipType = shipTypes.randomWeighted(type => SHIP_TYPES[type].speed ** 2);
         size[shipType] = (size[shipType] || 0) + 1;
       }
       return ({