fix(ui): animate scene loading logo

src/components/ui/SceneLoadingOverlay.tsx

@@ -1,10 +1,18 @@
+import { useEffect, useState } from "react";
 import { AppLoadingIndicator } from "@/components/ui/AppLoadingIndicator";
 import type { SceneLoadingState } from "@/types/world/sceneLoading";
 
-const LOADING_BACKGROUND_PATH = "/assets/bg-site.png";
-const LOADING_LOGO_PATH = "/assets/logo.png";
+const LOADING_BACKGROUND_PATH = "/assets/bg-site.webp";
+const LOADING_FRAME_RATE = 12;
+const LOADING_FRAME_INTERVAL_MS = 1000 / LOADING_FRAME_RATE;
+const LOADING_LOGO_FRAMES = [
+  "/assets/loader/Loader-1.png",
+  "/assets/loader/Loader-2.png",
+  "/assets/loader/Loader-3.png",
+  "/assets/loader/Loader-4.png",
+] as const;
 
-for (const path of [LOADING_BACKGROUND_PATH, LOADING_LOGO_PATH]) {
+for (const path of [LOADING_BACKGROUND_PATH, ...LOADING_LOGO_FRAMES]) {
   const image = new Image();
   image.src = path;
 }
@@ -16,8 +24,25 @@ interface SceneLoadingOverlayProps {
 export function SceneLoadingOverlay({
   state,
 }: SceneLoadingOverlayProps): React.JSX.Element | null {
+  const [logoFrameIndex, setLogoFrameIndex] = useState(0);
   const isReady = state.status === "ready";
   const progress = Math.round(Math.max(0, Math.min(1, state.progress)) * 100);
+  const logoFramePath =
+    LOADING_LOGO_FRAMES[logoFrameIndex] ?? LOADING_LOGO_FRAMES[0];
+
+  useEffect(() => {
+    if (isReady) return undefined;
+
+    const intervalId = window.setInterval(() => {
+      setLogoFrameIndex(
+        (currentIndex) => (currentIndex + 1) % LOADING_LOGO_FRAMES.length,
+      );
+    }, LOADING_FRAME_INTERVAL_MS);
+
+    return () => {
+      window.clearInterval(intervalId);
+    };
+  }, [isReady]);
 
   return (
     <div
@@ -33,7 +58,7 @@ export function SceneLoadingOverlay({
       <img
         alt="La Fabrik Durable"
         className="scene-loading-overlay__logo"
-        src={LOADING_LOGO_PATH}
+        src={logoFramePath}
       />
       <div className="scene-loading-overlay__footer">
         <div className="scene-loading-overlay__meta">

src/data/site/siteConfig.ts

@@ -1,6 +1,6 @@
 import type { CSSProperties } from "react";
 
-const BACKGROUND_IMAGE = "/assets/bg-site.png";
+const BACKGROUND_IMAGE = "/assets/bg-site.webp";
 
 export const SITE_CONFIG = {
   backgroundImage: BACKGROUND_IMAGE,