animate and fix electricienne

src/components/gameplay/pylon/PylonLightingEffect.tsx

@@ -0,0 +1,54 @@
+import { useEffect, useRef } from "react";
+import * as THREE from "three";
+import { useFrame } from "@react-three/fiber";
+import { useGameStore } from "@/managers/stores/useGameStore";
+import { LIGHTING_STATE } from "@/world/lightingState";
+import { LIGHTING_DEFAULTS } from "@/data/world/lightingConfig";
+
+// ─── Pylon atmosphere colours ─────────────────────────────────────────────────
+// Applied from "approaching" until the pylon mission ends.
+const PYLON_AMBIENT_COLOR = "#7b87c8"; // blue-violet
+const PYLON_SUN_COLOR = "#a882d4"; // lavender-purple
+
+// Lerp speed (1 = full transition in ~1 s at 60 fps)
+const TRANSITION_SPEED = 0.8;
+
+// ─────────────────────────────────────────────────────────────────────────────
+
+export function PylonLightingEffect(): null {
+  const mainState = useGameStore((state) => state.mainState);
+  const step = useGameStore((state) => state.pylon.currentStep);
+
+  // True from "approaching" until narrator-outro (lighting resets before the outro audio)
+  const isActive = mainState === "pylon" && step !== "locked" && step !== "narrator-outro";
+
+  // Working THREE.Color instances — lerped every frame
+  const ambientRef = useRef(new THREE.Color(LIGHTING_STATE.ambientColor));
+  const sunRef = useRef(new THREE.Color(LIGHTING_STATE.sunColor));
+
+  // Target colours — updated reactively when isActive changes
+  const targetAmbientRef = useRef(new THREE.Color(LIGHTING_DEFAULTS.ambientColor));
+  const targetSunRef = useRef(new THREE.Color(LIGHTING_DEFAULTS.sunColor));
+
+  useEffect(() => {
+    if (isActive) {
+      targetAmbientRef.current.set(PYLON_AMBIENT_COLOR);
+      targetSunRef.current.set(PYLON_SUN_COLOR);
+    } else {
+      targetAmbientRef.current.set(LIGHTING_DEFAULTS.ambientColor);
+      targetSunRef.current.set(LIGHTING_DEFAULTS.sunColor);
+    }
+  }, [isActive]);
+
+  useFrame((_, delta) => {
+    const t = Math.min(TRANSITION_SPEED * delta, 1);
+
+    ambientRef.current.lerp(targetAmbientRef.current, t);
+    sunRef.current.lerp(targetSunRef.current, t);
+
+    LIGHTING_STATE.ambientColor = `#${ambientRef.current.getHexString()}`;
+    LIGHTING_STATE.sunColor = `#${sunRef.current.getHexString()}`;
+  });
+
+  return null;
+}