ui calculator

game/internal/controller/battle.go

@@ -3,10 +3,10 @@ package controller
 import (
 	"iter"
 	"maps"
-	"math"
 	"math/rand/v2"
 	"slices"
 
+	"galaxy/calc"
 	"galaxy/game/internal/model/game"
 
 	"github.com/google/uuid"
@@ -65,7 +65,7 @@ func FilterBattleOpponents(c *Cache, attIdx, defIdx int, cacheProbability map[in
 		return true
 	}
 
-	p := DestructionProbability(
+	p := calc.DestructionProbability(
 		c.ShipGroupShipClass(attIdx).Weapons.F(),
 		c.ShipGroup(attIdx).TechLevel(game.TechWeapons).F(),
 		c.ShipGroupShipClass(defIdx).Shields.F(),
@@ -216,16 +216,6 @@ func SingleBattle(c *Cache, b *Battle) {
 	}
 }
 
-func DestructionProbability(attWeapons, attWeaponsTech, defShields, defShiledsTech, defFullMass float64) float64 {
-	effAttack := attWeapons * attWeaponsTech
-	effDefence := EffectiveDefence(defShields, defShiledsTech, defFullMass)
-	return (math.Log10(effAttack/effDefence)/math.Log10(4) + 1) / 2
-}
-
-func EffectiveDefence(defShields, defShiledsTech, defFullMass float64) float64 {
-	return defShields * defShiledsTech / math.Pow(defFullMass, 1./3.) * math.Pow(30., 1./3.)
-}
-
 func randomValue(v iter.Seq[int]) int {
 	ids := slices.Collect(v)
 	return ids[rand.IntN(len(ids))]