feat(environment): add adaptive atmospheric fog

src/managers/stores/useWorldSettingsStore.ts

@@ -1,5 +1,6 @@
 import { create } from "zustand";
 import { CLOUD_DEFAULTS, type CloudState } from "@/data/world/cloudConfig";
+import { FOG_CONFIG, type FogState } from "@/data/world/fogConfig";
 import { WIND_DEFAULTS, type WindState } from "@/data/world/windConfig";
 import {
   GRAPHICS_DEFAULTS,
@@ -8,12 +9,14 @@ import {
 
 interface WorldSettingsState {
   clouds: CloudState;
+  fog: FogState;
   wind: WindState;
   graphics: GraphicsState;
 }
 
 interface WorldSettingsActions {
   setClouds: (clouds: Partial<CloudState>) => void;
+  setFog: (fog: Partial<FogState>) => void;
   setWind: (wind: Partial<WindState>) => void;
   setWindSpeed: (speed: number) => void;
   setWindDirection: (direction: number) => void;
@@ -31,6 +34,12 @@ type WorldSettingsStore = WorldSettingsState & WorldSettingsActions;
 
 const DEFAULT_STATE: WorldSettingsState = {
   clouds: { ...CLOUD_DEFAULTS },
+  fog: {
+    density: FOG_CONFIG.density,
+    far: FOG_CONFIG.far,
+    mode: FOG_CONFIG.mode,
+    near: FOG_CONFIG.near,
+  },
   wind: { ...WIND_DEFAULTS },
   graphics: { ...GRAPHICS_DEFAULTS },
 };
@@ -43,6 +52,11 @@ export const useWorldSettingsStore = create<WorldSettingsStore>()((set) => ({
       clouds: { ...state.clouds, ...cloudsUpdate },
     })),
 
+  setFog: (fogUpdate) =>
+    set((state) => ({
+      fog: { ...state.fog, ...fogUpdate },
+    })),
+
   setWind: (windUpdate) =>
     set((state) => ({
       wind: { ...state.wind, ...windUpdate },