feat: overhaul grass

package-lock.json

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       "dev": true,
       "license": "MIT",
+      "peer": true,
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@@ -6751,7 +6777,8 @@
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       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/next": {
       "version": "16.1.1",
@@ -7133,7 +7160,6 @@
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@@ -7227,6 +7253,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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@@ -7257,7 +7284,6 @@
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       },
@@ -7512,7 +7537,8 @@
           "url": "https://feross.org/support"
         }
       ],
-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/safe-push-apply": {
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@@ -7590,6 +7616,7 @@
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       "dev": true,
       "license": "BSD-3-Clause",
+      "peer": true,
       "dependencies": {
         "randombytes": "^2.1.0"
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@@ -7834,6 +7861,7 @@
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       "dev": true,
       "license": "BSD-3-Clause",
+      "peer": true,
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@@ -7853,6 +7881,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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@@ -8151,6 +8180,7 @@
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       "dev": true,
       "license": "BSD-2-Clause",
+      "peer": true,
       "dependencies": {
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         "acorn": "^8.15.0",
@@ -8170,6 +8200,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@jridgewell/trace-mapping": "^0.3.25",
         "jest-worker": "^27.4.5",
@@ -8223,6 +8254,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.3"
       },
@@ -8235,7 +8267,8 @@
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       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/terser-webpack-plugin/node_modules/schema-utils": {
       "version": "4.3.3",
@@ -8243,6 +8276,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@types/json-schema": "^7.0.9",
         "ajv": "^8.9.0",
@@ -8261,8 +8295,7 @@
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       "resolved": "https://registry.npmjs.org/three/-/three-0.182.0.tgz",
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-      "license": "MIT",
+      "license": "MIT"
-      "peer": true
     },
     "node_modules/three-mesh-bvh": {
       "version": "0.8.3",
@@ -8337,7 +8370,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
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@@ -8567,7 +8599,6 @@
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       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -8732,6 +8763,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "glob-to-regexp": "^0.4.1",
         "graceful-fs": "^4.1.2"
@@ -8757,6 +8789,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@types/eslint-scope": "^3.7.7",
         "@types/estree": "^1.0.8",
@@ -8806,6 +8839,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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@@ -8834,6 +8868,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.3"
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@@ -8847,6 +8882,7 @@
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       "dev": true,
       "license": "BSD-2-Clause",
+      "peer": true,
       "dependencies": {
         "esrecurse": "^4.3.0",
         "estraverse": "^4.1.1"
@@ -8861,6 +8897,7 @@
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       "dev": true,
       "license": "BSD-2-Clause",
+      "peer": true,
       "engines": {
         "node": ">=4.0"
       }
@@ -8870,7 +8907,8 @@
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/webpack/node_modules/schema-utils": {
       "version": "4.3.3",
@@ -8878,6 +8916,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@types/json-schema": "^7.0.9",
         "ajv": "^8.9.0",
@@ -9032,7 +9071,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }

src/app/components/discordstatus.css

@@ -0,0 +1,76 @@
+.discord-status-compact {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 12px;
+}
+
+.avatar-container {
+    position: relative;
+    display: inline-block;
+    width: 34px;
+    height: 34px;
+    flex-shrink: 0;
+}
+
+.discord-avatar {
+    width: 100%;
+    height: 100%;
+    border-radius: 2px;
+    border: 1px solid var(--accent);
+    box-shadow: 2px 2px 0px var(--pink-accent);
+    object-fit: cover;
+}
+
+.status-dot {
+    position: absolute;
+    bottom: -2px;
+    right: -2px;
+    width: 7px;
+    height: 7px;
+    border-radius: 50%;
+    box-shadow: 0 0 0 2px #fffdfd;
+}
+.status-dot.online { background-color: #a7f3d0; border: 1px solid #34d399; }
+.status-dot.idle { background-color: #fef08a; border: 1px solid #facc15; }
+.status-dot.dnd { background-color: #fecdd3; border: 1px solid #fb7185; }
+.status-dot.offline { background-color: var(--text-dim); border: 1px solid var(--text-main); }
+
+.status-details {
+    display: flex;
+    flex-direction: column;
+    align-items: center; 
+    gap: 2px;
+}
+
+.status-text {
+    font-size: 0.75rem;
+    color: var(--text-dim);
+    text-transform: lowercase;
+}
+
+.status-text em {
+    font-style: italic;
+    font-weight: normal;
+    color: var(--text-title);
+}
+
+.status-bubble-inline {
+    font-size: 0.7rem;
+    color: var(--text-main);
+    border-bottom: 1px dashed var(--border);
+    max-width: 220px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.game-icon {
+    width: 24px;
+    height: 24px;
+    border-radius: 2px;
+    border: 1px solid var(--border);
+    box-shadow: 1px 1px 0px var(--pink-accent);
+    object-fit: cover;
+    flex-shrink: 0;
+}

src/app/components/discordstatus.tsx

@@ -0,0 +1,262 @@
+import './discordstatus.css';
+
+import { useEffect, useState } from "react";
+
+interface LanyardResponse {
+    success: boolean;
+    data: LanyardData;
+}
+
+interface LanyardData {
+    discord_status: 'online' | 'idle' | 'dnd' | 'offline';
+    activities: DiscordActivity[];
+    discord_user: DiscordUser;
+    active_on_discord_web: boolean;
+    active_on_discord_desktop: boolean;
+    active_on_discord_mobile: boolean;
+    active_on_discord_embedded: boolean;
+    active_on_discord_vr: boolean;
+    listening_to_spotify: boolean;
+    spotify: SpotifyData | null;
+    kv: Record<string, string>;
+}
+
+interface SpotifyData {
+    album: string;
+    album_art_url: string;
+    artist: string;
+    song: string;
+    track_id: string;
+    timestamps: {
+        start: number;
+        end: number;
+    };
+}
+
+interface DiscordUser {
+    id: string;
+    username: string;
+    discriminator: string;
+    global_name: string;
+    display_name: string;
+    avatar: string;
+    bot: boolean;
+    public_flags: number;
+    avatar_decoration_data: null | any;
+    collectibles?: {
+        nameplate?: {
+            asset: string;
+            expires_at: string | null;
+            label: string;
+            palette: string;
+            sku_id: string;
+        };
+    };
+    display_name_styles?: {
+        colors: any[];
+        effect_id: number;
+        font_id: number;
+    };
+    primary_guild?: {
+        badge: null | any;
+        identity_enabled: boolean;
+        identity_guild_id: null | string;
+        tag: null | string;
+    };
+}
+
+interface DiscordActivity {
+    id: string;
+    name: string;
+    type: number;
+    session_id?: string;
+    created_at: number;
+    state?: string;
+    details?: string;
+    timestamps?: {
+        start?: number;
+        end?: number;
+    };
+    assets?: {
+        large_image?: string;
+        large_text?: string;
+        small_image?: string;
+        small_text?: string;
+    };
+    emoji?: {
+        name: string;
+        id?: string;
+        animated?: boolean;
+    };
+    application_id?: string;
+    flags?: number;
+    platform?: string;
+    sync_id?: string;
+    content_classification?: {
+        data: null | any;
+        loaded: boolean;
+    };
+}
+
+function resolveDiscordAsset(applicationId: string | undefined, image: string | undefined): string {
+    if (!image) return "";
+
+    if (image.startsWith("mp:external/")) {
+        const httpsIndex = image.indexOf("/https/");
+        if (httpsIndex !== -1) {
+            return `https://${image.slice(httpsIndex + "/https/".length)}`;
+        }
+    }
+
+    if (image.startsWith("spotify:"))
+        return "";
+
+
+    if (applicationId && image)
+        return `https://cdn.discordapp.com/app-assets/${applicationId}/${image}.png`;
+
+    return image;
+}
+
+export interface DiscordStatusParams {
+    userId: string
+}
+
+const STATUS_LABELS: Record<LanyardData['discord_status'], string> = {
+    online: 'online',
+    idle: 'away',
+    dnd: 'busy',
+    offline: 'offline'
+};
+
+export function DiscordStatus({ userId }: DiscordStatusParams) {
+    const [presence, setPresence] = useState<LanyardData | null>(null);
+    const [loading, setLoading] = useState<boolean>(true);
+
+    useEffect(() => {
+        let interval: NodeJS.Timeout | null = null;
+
+        async function fetchRichPresence() {
+            try {
+                const response = await fetch(`https://api.lanyard.rest/v1/users/${userId}`);
+                const json: LanyardResponse = await response.json();
+                if (json.success)
+                    setPresence(json.data);
+            } catch (error) {
+                console.error("Failed to fetch Lanyard presence:", error);
+            } finally {
+                setLoading(false);
+            }
+        }
+
+        const startPolling = () => {
+            if (!interval) {
+                fetchRichPresence();
+                interval = setInterval(fetchRichPresence, 30000);
+            }
+        };
+
+        const stopPolling = () => {
+            if (interval) {
+                clearInterval(interval);
+                interval = null;
+            }
+        };
+
+        const handleVisibilityChange = () => {
+            if (document.visibilityState === 'visible')
+                startPolling();
+            else
+                stopPolling();
+
+        };
+
+        if (document.visibilityState === 'visible')
+            startPolling();
+        else
+            setLoading(false);
+
+        document.addEventListener('visibilitychange', handleVisibilityChange);
+
+        return () => {
+            document.removeEventListener('visibilitychange', handleVisibilityChange);
+            stopPolling();
+        };
+    }, [userId]);
+
+    if (loading)
+        return <p style={{ fontSize: '0.75rem', fontStyle: 'italic', color: 'var(--text-dim)' }}>loading status...</p>;
+
+    if (!presence)
+        return <p style={{ fontSize: '0.75rem', fontStyle: 'italic', color: 'var(--text-dim)' }}>offline</p>;
+
+    const customActivity = presence.activities.find(act => act.id === "custom");
+    const customStatusText = customActivity
+        ? `${customActivity.emoji?.name || ''} ${customActivity.state || ''}`.trim()
+        : null;
+
+    const gameActivity = presence.activities
+        .filter(act => act.type === 0)
+        .sort((a, b) => (b.assets ? 1 : 0) - (a.assets ? 1 : 0))[0] as DiscordActivity | undefined;
+
+    const isListeningToSpotify = presence.listening_to_spotify && presence.spotify;
+
+    let primaryActivity = null;
+    let activityText = "";
+    let activityImage = "";
+
+    if (gameActivity) {
+        primaryActivity = gameActivity;
+        activityText = `playing: ${gameActivity.name.toLowerCase()}`;
+
+        if (gameActivity.details)
+            activityText += ` • ${gameActivity.details}`;
+
+        if (gameActivity.assets) {
+            const targetImage = gameActivity.assets.small_image || gameActivity.assets.large_image;
+            activityImage = resolveDiscordAsset(gameActivity.application_id, targetImage);
+        }
+    }
+    else if (isListeningToSpotify && presence.spotify) {
+        primaryActivity = { name: "Spotify" } as DiscordActivity;
+        activityText = `listening to: ${presence.spotify.song} • ${presence.spotify.artist}`;
+        activityImage = presence.spotify.album_art_url || "";
+    }
+
+    return (
+        <div className="discord-status-compact">
+            <div className="avatar-container">
+                <img
+                    src={`https://api.lanyard.rest/${userId}.png`}
+                    alt="Discord avatar"
+                    className="discord-avatar"
+                />
+                <span className={`status-dot ${presence.discord_status}`} />
+            </div>
+
+            <div className="status-details">
+                <span className="status-text">
+                    {primaryActivity ? (
+                        <>{activityText}</>
+                    ) : (
+                        <>currently: <em>{STATUS_LABELS[presence.discord_status]}</em></>
+                    )}
+                </span>
+
+                {customStatusText && (
+                    <span className="status-bubble-inline">
+                        {customStatusText}
+                    </span>
+                )}
+            </div>
+
+            {activityImage && primaryActivity && (
+                <img
+                    src={activityImage}
+                    alt={primaryActivity.name}
+                    className="game-icon"
+                />
+            )}
+        </div>
+    );
+}

src/app/fear/page.css

@@ -0,0 +1,10 @@
+.canvas {
+	width: 100vw !important;
+	height: 100vh !important;
+	position: absolute;
+	top: 0;
+	left: 0;
+	outline: none;
+	user-select: none;
+	touch-action: none;
+}

src/app/fear/page.tsx

@@ -0,0 +1,117 @@
+'use client';
+
+import './page.css';
+
+import { Canvas, useFrame, useThree } from "@react-three/fiber";
+import { BrightnessContrast, EffectComposer, HueSaturation, Noise, Pixelation, Vignette } from "@react-three/postprocessing";
+import { Suspense, useEffect, useState } from "react";
+
+import { AmbientSound } from './scene-components/ambient-sound';
+
+import { fearState } from './state';
+
+import TheCreature from './scene-components/creature';
+import Player from './scene-components/player';
+import Hallway from './scene-components/hallway';
+
+import { AudioListener } from 'three';
+
+function PostProcessing() {
+    const [wasCaught, setWasCaught] = useState(fearState.wasCaught);
+
+    useEffect(() => {
+        const unsubscribe = fearState.subscribe(() => {
+            setWasCaught(fearState.wasCaught);
+        });
+        return () => unsubscribe();
+    }, []);
+
+    return (<EffectComposer>
+        <Pixelation granularity={wasCaught ? 18 : 12} />
+        <Vignette />
+        <Noise opacity={wasCaught ? 0.01 : 0.005} />
+        <BrightnessContrast
+            brightness={-0.01}
+            contrast={0.05}
+        />
+        <HueSaturation saturation={wasCaught ? 1 : 0} />
+    </EffectComposer>)
+}
+
+function ListenerCreator() {
+    const { camera } = useThree();
+
+    useEffect(() => {
+        const listener = new AudioListener();
+        camera.add(listener);
+
+        return () => {
+            camera.remove(listener);
+        };
+    }, [camera]);
+
+    return null;
+}
+
+function FearStateUpdater() {
+    useFrame((state, delta) => {
+        fearState.update(delta);
+    });
+    return null;
+}
+
+export default function Fear() {
+    const [isRustActive, setIsRustActive] = useState(fearState.isRustActive);
+    const [wasCaught, setWasCaught] = useState(fearState.isRustActive);
+
+    useEffect(() => {
+        const unsubscribe = fearState.subscribe(() => {
+            setIsRustActive(fearState.isRustActive);
+            setWasCaught(fearState.wasCaught)
+        });
+        return () => unsubscribe();
+    }, []);
+
+    return (<>
+        <Canvas
+            shadows
+            gl={{ antialias: true }}
+            className='canvas'
+            camera={{ position: [0, 3, -5], fov: 65, far: 100 }}
+        >
+            <FearStateUpdater />
+
+            <ListenerCreator />
+
+            <color attach="background" args={['#050505']} />
+
+            <ambientLight intensity={0.0225} />
+            <fogExp2 attach='fog' args={[0x050505, 0.035]} />
+            <PostProcessing />
+
+            <Suspense fallback={null}>
+                <Hallway />
+                <TheCreature />
+                <Player />
+            </Suspense>
+
+            <AmbientSound
+                key="ambient-1"
+                url='fear/snd/ambience.mp3'
+                volume={isRustActive ? 0 : 1}
+            />
+
+            <AmbientSound
+                key="ambient-2"
+                url='fear/snd/ambience2.mp3'
+                volume={isRustActive ? 1 : 0}
+            />
+
+            {wasCaught ? <AmbientSound
+                key="ambient-glitch"
+                url='fear/snd/glitch.mp3'
+                volume={1}
+            /> : null}
+        </Canvas>
+    </>)
+}

src/app/fear/scene-components/ambient-sound.tsx

@@ -0,0 +1,64 @@
+import { useEffect, useRef } from 'react'
+
+interface AmbientSoundProps {
+    url: string
+    volume?: number
+}
+
+export function AmbientSound({ url, volume = 0.5 }: AmbientSoundProps) {
+    const audioRef = useRef<HTMLAudioElement | null>(null)
+    const targetVolumeRef = useRef<number>(volume)
+
+    targetVolumeRef.current = volume
+
+    useEffect(() => {
+        const audio = new Audio(url)
+        audio.loop = true
+        audio.volume = 0 
+        audioRef.current = audio
+
+        let componentsMounted = true
+
+        const attemptPlay = () => {
+            if (!audioRef.current || !componentsMounted) return
+            
+            audio.volume = targetVolumeRef.current
+
+            if (audio.volume > 0 && audio.paused) {
+                audio.play().catch((err) => {
+                    console.warn('Autoplay management holding clip playback execution.', err)
+                })
+            }
+        }
+
+        attemptPlay()
+
+        window.addEventListener('click', attemptPlay)
+        window.addEventListener('keydown', attemptPlay)
+
+        return () => {
+            componentsMounted = false
+            window.removeEventListener('click', attemptPlay)
+            window.removeEventListener('keydown', attemptPlay)
+            audio.pause()
+            audio.src = ''
+            audioRef.current = null
+        }
+    }, [url])
+
+    useEffect(() => {
+        const audio = audioRef.current
+        if (!audio) return
+
+        if (volume === 0) {
+            if (!audio.paused) audio.pause()
+        } else {
+            audio.volume = volume
+            if (audio.paused) {
+                audio.play().catch(() => {})
+            }
+        }
+    }, [volume]) 
+
+    return null
+}

src/app/fear/scene-components/creature.tsx

@@ -0,0 +1,113 @@
+import { useTexture, PositionalAudio } from "@react-three/drei";
+import { useFrame, useThree } from "@react-three/fiber";
+import { useEffect, useRef, useState } from "react";
+
+import * as THREE from "three";
+import { FEAR_SETTINGS, fearState } from "../state";
+
+useTexture.preload('fear/img/creature.png');
+
+export default function TheCreature() {
+    const texture = useTexture('fear/img/creature.png');
+    const meshRef = useRef<THREE.Mesh>(null);
+    const audioRef = useRef<THREE.PositionalAudio>(null);
+    const { camera } = useThree();
+
+    const [hasTriggered, setHasTriggered] = useState(false);
+    const [isSpawned, setIsSpawned] = useState(false);
+
+    const globalDistance = useRef<number>(32);
+    const [finaleTriggered, setFinaleTriggered] = useState(fearState.finaleTriggered);
+
+    const audioPlaying = useRef<boolean>(false);
+
+    useEffect(() => {
+        const unsubscribe = fearState.subscribe(() => {
+            setFinaleTriggered(fearState.finaleTriggered);
+
+            if (!fearState.finaleTriggered) {
+                setIsSpawned(false);
+                setHasTriggered(false);
+                globalDistance.current = 32;
+                audioPlaying.current = false;
+
+                if (audioRef.current && audioRef.current.isPlaying)
+                    audioRef.current.stop();
+            }
+        });
+        return () => unsubscribe();
+    }, []);
+
+    useFrame((state, delta) => {
+        if (!fearState.finaleTriggered) return;
+
+        const creature = meshRef.current;
+        if (!creature) return;
+
+        if (!isSpawned) {
+            setIsSpawned(true);
+            globalDistance.current = 32;
+        }
+
+        if (!hasTriggered) {
+            if (globalDistance.current < 40) {
+                setHasTriggered(true);
+            }
+        }
+
+        if (hasTriggered) {
+            globalDistance.current -= FEAR_SETTINGS.CREATURE_SPEED * delta;
+
+            if (audioRef.current && !audioPlaying.current) {
+                audioPlaying.current = true;
+                if (audioRef.current.context.state === 'suspended')
+                    audioRef.current.context.resume();
+                audioRef.current.play();
+            }
+
+            const shakeIntensity = Math.max(0, 1 - (globalDistance.current / 32)) * 0.22;
+            camera.position.x += (Math.random() - 0.5) * shakeIntensity;
+            camera.position.y += (Math.random() - 0.5) * shakeIntensity;
+
+            if (globalDistance.current <= 0.1) {
+                window.location.href = '/';
+                fearState.registerCaught();
+                return;
+            }
+        }
+
+        const forwardVector = new THREE.Vector3();
+        camera.getWorldDirection(forwardVector);
+        const lookDirZ = forwardVector.z < 0 ? -1 : 1;
+
+        const calculatedZ = camera.position.z + (lookDirZ * globalDistance.current);
+
+        creature.position.set(0, 1.6, calculatedZ);
+        creature.lookAt(camera.position.x, creature.position.y, camera.position.z);
+    });
+
+    return (
+        <mesh
+            ref={meshRef}
+            visible={finaleTriggered}
+        >
+            <planeGeometry args={[3.0, 4.8]} />
+            <meshBasicMaterial
+                map={texture}
+                transparent={true}
+                depthWrite={false}
+                side={THREE.DoubleSide}
+            />
+
+            {finaleTriggered && (
+                <PositionalAudio
+                    url="fear/snd/riser.mp3"
+                    ref={audioRef}
+                    distance={25}
+                    loop={false}
+                    autoplay={false}
+                />
+            )}
+        </mesh>
+    );
+}

src/app/fear/scene-components/hallway.tsx

@@ -0,0 +1,366 @@
+import { useEffect, useRef, useState } from "react";
+import { FEAR_SETTINGS, fearState } from "../state";
+import { useTexture } from "@react-three/drei";
+
+import * as THREE from "three";
+import { useFrame } from "@react-three/fiber";
+
+interface DoorProps {
+    position: [number, number, number];
+    rotation: [number, number, number];
+}
+function Door({ position, rotation }: DoorProps) {
+    return (
+        <group position={position} rotation={rotation}>
+            <mesh position={[0, 2, -0.14]}>
+                <boxGeometry args={[2.4, 4.0, 0.2]} />
+                <meshStandardMaterial color="#8a8585" roughness={0.8} metalness={0.2} />
+            </mesh>
+
+            <mesh position={[0, 1.95, -0.08]}>
+                <boxGeometry args={[2.1, 3.8, 0.1]} />
+                <meshStandardMaterial color="#4e4b4b" roughness={0.7} metalness={0.2} />
+            </mesh>
+
+            <mesh position={[0.9, 1.8, 0.08]}>
+                <boxGeometry args={[0.08, 0.08, 0.15]} />
+                <meshStandardMaterial color="#4e4b4b" roughness={0.4} metalness={0.2} />
+            </mesh>
+        </group>
+    );
+}
+
+export default function Hallway() {
+    const [width, setWidth] = useState(fearState.currentWidth);
+    const [floorTex, wallTex, rustWallTex, rustFloorTex] = useTexture([
+        'fear/img/concrete-floor.png',
+        'fear/img/concrete-wall.png',
+        'fear/img/rust.png',
+        'fear/img/rust.png'
+    ]);
+
+    useEffect(() => {
+        [floorTex, wallTex, rustWallTex, rustFloorTex].forEach((tex) => {
+            tex.wrapS = tex.wrapT = THREE.RepeatWrapping;
+            tex.minFilter = tex.magFilter = THREE.NearestFilter;
+            tex.colorSpace = THREE.SRGBColorSpace;
+        });
+    }, [floorTex, wallTex, rustWallTex, rustFloorTex]);
+
+
+    const segmentPool = [0, 1, 2, 3, 4];
+    const segmentCount = segmentPool.length;
+
+    const lightRefs = useRef<(THREE.PointLight | null)[]>([]);
+    const matRefs = useRef<(THREE.MeshStandardMaterial | null)[]>([]);
+
+    const lightState = useRef<'normal' | 'flickering' | 'dead'>('normal');
+    const stateEndTime = useRef<number>(0);
+    const nextEventTime = useRef<number>(5);
+
+    const segmentsRef = useRef<THREE.Group[]>([]);
+    const wallMaterialsRef = useRef<THREE.MeshStandardMaterial[]>([]);
+    const floorMaterialsRef = useRef<THREE.MeshStandardMaterial[]>([]);
+    const pipeMaterialsRef = useRef<THREE.MeshStandardMaterial[]>([]);
+    const bracketMaterialsRef = useRef<THREE.MeshStandardMaterial[]>([]);
+
+    wallMaterialsRef.current = [];
+    floorMaterialsRef.current = [];
+    pipeMaterialsRef.current = [];
+    bracketMaterialsRef.current = [];
+
+    const [isRustActive, setIsRustActive] = useState(fearState.isRustActive);
+
+    useEffect(() => {
+        const unsubscribe = fearState.subscribe(() => {
+            setWidth(fearState.currentWidth);
+            setIsRustActive(fearState.isRustActive);
+        });
+        return () => unsubscribe();
+    }, []);
+
+    useFrame((state, delta) => {
+        const time = state.clock.elapsedTime;
+
+        /*
+           lights
+        */
+        let intensity1 = 0.85 + Math.sin(time * 2) * 0.03;
+        if (time > nextEventTime.current && lightState.current === 'normal') {
+            lightState.current = 'flickering';
+            stateEndTime.current = time + 1.5 + Math.random() * 2;
+        }
+        if (lightState.current === 'flickering') {
+            if (time > stateEndTime.current) {
+                if (Math.random() > 0.4) {
+                    lightState.current = 'dead';
+                    stateEndTime.current = time + 1.0 + Math.random() * 2.5;
+                } else {
+                    lightState.current = 'normal';
+                    nextEventTime.current = time + 10 + Math.random() * 20;
+                }
+            } else {
+                const baseWave = Math.sin(time * 45) * 0.4 + Math.sin(time * 90) * 0.3;
+                intensity1 = 0.5 + baseWave;
+                if (Math.sin(time * 150) + Math.cos(time * 220) > 1.2) intensity1 *= Math.random() > 0.5 ? 0.0 : 0.15;
+            }
+        }
+        if (lightState.current === 'dead') {
+            if (time > stateEndTime.current) {
+                lightState.current = 'normal';
+                nextEventTime.current = time + 12 + Math.random() * 15;
+            } else {
+                intensity1 = Math.random() > 0.98 ? 0.08 : 0.0;
+            }
+        }
+
+        /*
+            objects
+        */
+        const length = FEAR_SETTINGS.HALLWAY_LENGTH;
+        const playerSegmentZ = Math.floor(state.camera.position.z / length);
+
+        const horizontalTexRepeat = width / FEAR_SETTINGS.HALLWAY_WIDTH;
+        floorTex.repeat.set(horizontalTexRepeat, 10);
+        wallTex.repeat.set(10, 1);
+        rustWallTex.repeat.set(10, 1);
+        rustFloorTex.repeat.set(horizontalTexRepeat, 10);
+
+        floorTex.needsUpdate = true;
+        wallTex.needsUpdate = true;
+        rustWallTex.needsUpdate = true;
+        rustFloorTex.needsUpdate = true;
+
+        let closestPoolIndex = 0;
+        let minDistance = Infinity;
+
+        segmentsRef.current.forEach((segGroup, poolIndex) => {
+            if (!segGroup) return;
+
+            let segmentZIndex = poolIndex - Math.floor(segmentCount / 2) + playerSegmentZ;
+            segGroup.position.z = segmentZIndex * length;
+
+            const distance = Math.abs(segGroup.position.z - state.camera.position.z);
+            if (distance < minDistance) {
+                minDistance = distance;
+                closestPoolIndex = poolIndex;
+            }
+
+            const leftWallGroup = segGroup.getObjectByName("left-wall-group");
+            if (leftWallGroup) leftWallGroup.position.x = -width / 2;
+
+            const rightWallGroup = segGroup.getObjectByName("right-wall-group");
+            if (rightWallGroup) rightWallGroup.position.x = width / 2;
+
+            const floorMesh = segGroup.getObjectByName("floor-mesh");
+            if (floorMesh) floorMesh.scale.x = width / FEAR_SETTINGS.HALLWAY_WIDTH;
+
+            const ceilingMesh = segGroup.getObjectByName("ceiling-mesh");
+            if (ceilingMesh) ceilingMesh.scale.x = width / FEAR_SETTINGS.HALLWAY_WIDTH;
+
+            for (let i = 0; i < 3; i++) {
+                const pipe = segGroup.getObjectByName(`pipe-${i}`);
+                if (pipe) pipe.position.x = -width / 2 + 0.4 + (i * 0.20);
+            }
+            const bracketGroup = segGroup.getObjectByName("brackets-group");
+            if (bracketGroup) {
+                bracketGroup.children.forEach(b => {
+                    b.position.x = -width / 2 + 0.6;
+                });
+            }
+        });
+
+        /*
+            dyn light
+        */
+        segmentPool.forEach((poolIndex) => {
+            const light = lightRefs.current[poolIndex];
+            const mat = matRefs.current[poolIndex];
+
+            if (poolIndex === closestPoolIndex) {
+                if (light) light.intensity = intensity1 * 1.2;
+                if (mat) {
+                    mat.emissiveIntensity = intensity1 * 2.5;
+                    if (lightState.current !== 'normal') mat.emissive.setHSL(0.07, 0.4, Math.min(intensity1, 0.7));
+                    else mat.emissive.setHex(0xa8a1a1);
+                }
+            } else {
+                if (light) light.intensity = 0.9;
+                if (mat) {
+                    mat.emissiveIntensity = 0.8;
+                    mat.emissive.setHex(0xa8a1a1);
+                }
+            }
+        });
+
+        /*
+            materials
+        */
+        const updateMaterials = (materials: THREE.MeshStandardMaterial[], defaultTex: THREE.Texture, targetRustTex: THREE.Texture, activeColor: string, defaultColor: string, activeRough: number, defaultRough: number, activeMetal: number, defaultMetal: number) => {
+            materials.forEach(mat => {
+                if (!mat) return;
+                const targetTex = isRustActive ? targetRustTex : defaultTex;
+                if (mat.map !== targetTex) {
+                    mat.map = targetTex;
+                    mat.needsUpdate = true;
+                }
+                mat.color.set(isRustActive ? activeColor : defaultColor);
+                mat.roughness = isRustActive ? activeRough : defaultRough;
+                mat.metalness = isRustActive ? activeMetal : defaultMetal;
+            });
+        };
+
+        updateMaterials(wallMaterialsRef.current, wallTex, rustWallTex, "#c5c0be", "#ffffff", 0.95, 0.7, 0.05, 0.1);
+        updateMaterials(floorMaterialsRef.current, floorTex, rustFloorTex, "#cabdb9", "#ffffff", 0.95, 0.8, 0.05, 0.2);
+
+        pipeMaterialsRef.current.forEach(mat => {
+            if (!mat) return;
+            mat.color.set(isRustActive ? "#3d1b0f" : "#a5aca8");
+            mat.roughness = isRustActive ? 0.95 : 0.0;
+            mat.metalness = isRustActive ? 0.05 : 0.4;
+        });
+
+        bracketMaterialsRef.current.forEach(mat => {
+            if (!mat) return;
+            mat.color.set(isRustActive ? "#1b0b05" : "#a5aca8");
+            mat.roughness = isRustActive ? 0.95 : 0.0;
+            mat.metalness = isRustActive ? 0.05 : 0.4;
+        });
+    });
+
+    return (
+        <>
+            {segmentPool.map((poolIndex) => (
+                <group
+                    key={poolIndex}
+                    ref={(el) => { if (el) segmentsRef.current[poolIndex] = el; }}
+                    position={[0, 0, 0]}
+                >
+                    {/* lights */}
+                    <group position={[0, FEAR_SETTINGS.HALLWAY_HEIGHT - 0.1, -FEAR_SETTINGS.HALLWAY_LENGTH / 4]}>
+                        <pointLight
+                            ref={(el) => { lightRefs.current[poolIndex] = el; }}
+                            intensity={0.9}
+                            distance={15}
+                            color="#a8a1a1"
+                        />
+                        <mesh position={[0, 0.09, 0]}>
+                            <boxGeometry args={[0.3, 0.01, 0.3]} />
+                            <meshStandardMaterial
+                                ref={(el) => { matRefs.current[poolIndex] = el; }}
+                                color="#111111"
+                                emissive="#a8a1a1"
+                                emissiveIntensity={0.8}
+                                roughness={0.9}
+                            />
+                        </mesh>
+                    </group>
+
+                    {/* floor */}
+                    <mesh
+                        name="floor-mesh"
+                        rotation={[-Math.PI / 2, 0, 0]}
+                        position={[0, 0, -FEAR_SETTINGS.HALLWAY_LENGTH / 2]}
+                    >
+                        <planeGeometry args={[FEAR_SETTINGS.HALLWAY_WIDTH, FEAR_SETTINGS.HALLWAY_LENGTH]} />
+                        <meshStandardMaterial
+                            ref={(el) => { if (el) floorMaterialsRef.current.push(el); }}
+                            map={floorTex}
+                            roughness={0.8}
+                            metalness={0.2}
+                        />
+                    </mesh>
+
+                    {/* ceiling */}
+                    <mesh
+                        name="ceiling-mesh"
+                        rotation={[Math.PI / 2, 0, 0]}
+                        position={[0, FEAR_SETTINGS.HALLWAY_HEIGHT, -FEAR_SETTINGS.HALLWAY_LENGTH / 2]}
+                    >
+                        <planeGeometry args={[FEAR_SETTINGS.HALLWAY_WIDTH, FEAR_SETTINGS.HALLWAY_LENGTH]} />
+                        <meshStandardMaterial
+                            ref={(el) => { if (el) floorMaterialsRef.current.push(el); }}
+                            map={floorTex}
+                            roughness={0.8}
+                            metalness={0.2}
+                        />
+                    </mesh>
+
+                    {/* left wall */}
+                    <group name="left-wall-group">
+                        <mesh rotation={[0, Math.PI / 2, 0]} position={[0, FEAR_SETTINGS.HALLWAY_HEIGHT / 2, -FEAR_SETTINGS.HALLWAY_LENGTH / 2]}>
+                            <planeGeometry args={[FEAR_SETTINGS.HALLWAY_LENGTH, FEAR_SETTINGS.HALLWAY_HEIGHT]} />
+                            <meshStandardMaterial
+                                ref={(el) => { if (el) wallMaterialsRef.current.push(el); }}
+                                map={wallTex}
+                                roughness={0.7}
+                                metalness={0.1}
+                            />
+                        </mesh>
+                        {!isRustActive && (
+                            <>
+                                <Door position={[0.05, 0, -FEAR_SETTINGS.HALLWAY_LENGTH * 0.25]} rotation={[0, Math.PI / 2, 0]} />
+                                <Door position={[0.05, 0, -FEAR_SETTINGS.HALLWAY_LENGTH * 0.85]} rotation={[0, Math.PI / 2, 0]} />
+                            </>
+                        )}
+                    </group>
+
+                    {/* right wall */}
+                    <group name="right-wall-group">
+                        <mesh rotation={[0, -Math.PI / 2, 0]} position={[0, FEAR_SETTINGS.HALLWAY_HEIGHT / 2, -FEAR_SETTINGS.HALLWAY_LENGTH / 2]}>
+                            <planeGeometry args={[FEAR_SETTINGS.HALLWAY_LENGTH, FEAR_SETTINGS.HALLWAY_HEIGHT]} />
+                            <meshStandardMaterial
+                                ref={(el) => { if (el) wallMaterialsRef.current.push(el); }}
+                                map={wallTex}
+                                roughness={0.7}
+                                metalness={0.1}
+                            />
+                        </mesh>
+                        {!isRustActive && (
+                            <Door position={[-0.05, 0, -FEAR_SETTINGS.HALLWAY_LENGTH * 0.65]} rotation={[0, -Math.PI / 2, 0]} />
+                        )}
+                    </group>
+
+                    {/* pipes */}
+                    {Array.from({ length: 3 }).map((_, idx) => (
+                        <mesh
+                            key={idx}
+                            name={`pipe-${idx}`}
+                            rotation={[Math.PI / 2, 0, 0]}
+                            position={[-FEAR_SETTINGS.HALLWAY_WIDTH / 2 + 0.4 + (idx * 0.20), FEAR_SETTINGS.HALLWAY_HEIGHT - 0.2, -FEAR_SETTINGS.HALLWAY_LENGTH / 2]}
+                        >
+                            <cylinderGeometry args={[0.06, 0.06, FEAR_SETTINGS.HALLWAY_LENGTH, 4]} />
+                            <meshStandardMaterial
+                                ref={(el) => el && pipeMaterialsRef.current.push(el)}
+                                color="#a5aca8"
+                                roughness={0.0}
+                                metalness={0.4}
+                            />
+                        </mesh>
+                    ))}
+
+                    {/* brackets */}
+                    <group name="brackets-group">
+                        {Array.from({ length: 5 }).map((_, idx) => {
+                            const zOffset = -(idx * 8 + 4);
+                            return (
+                                <mesh
+                                    key={`bracket-${idx}`}
+                                    position={[-FEAR_SETTINGS.HALLWAY_WIDTH / 2 + 0.6, FEAR_SETTINGS.HALLWAY_HEIGHT - 0.15, zOffset]}
+                                >
+                                    <boxGeometry args={[0.7, 0.3, 0.15]} />
+                                    <meshStandardMaterial
+                                        ref={(el) => el && bracketMaterialsRef.current.push(el)}
+                                        color="#a5aca8"
+                                        roughness={0.0}
+                                        metalness={0.4}
+                                    />
+                                </mesh>
+                            );
+                        })}
+                    </group>
+                </group>
+            ))}
+        </>
+    );
+}

src/app/fear/scene-components/player.tsx

@@ -0,0 +1,162 @@
+import { useFrame, useThree } from "@react-three/fiber";
+import { useEffect, useRef } from "react";
+import { FEAR_SETTINGS, fearState } from "../state";
+import { PointerLockControls } from "@react-three/drei";
+import * as THREE from "three";
+
+const forward = new THREE.Vector3();
+const side = new THREE.Vector3();
+const viewDirection = new THREE.Vector3();
+const targetDest = new THREE.Vector3();
+
+const playerRoot = new THREE.Vector3(0, FEAR_SETTINGS.PLAYER_HEIGHT, 0);
+const targetVelocity = new THREE.Vector3();
+const currentVelocity = new THREE.Vector3();
+
+function usePlayerControls() {
+    const keys = useRef({ Forward: false, Backward: false, Left: false, Right: false });
+
+    useEffect(() => {
+        const handleKeyDown = (e: KeyboardEvent) => {
+            if (e.code === 'KeyW' || e.code === 'ArrowUp') keys.current.Forward = true;
+            if (e.code === 'KeyS' || e.code === 'ArrowDown') keys.current.Backward = true;
+            if (e.code === 'KeyA' || e.code === 'ArrowLeft') keys.current.Left = true;
+            if (e.code === 'KeyD' || e.code === 'ArrowRight') keys.current.Right = true;
+        };
+
+        const handleKeyUp = (e: KeyboardEvent) => {
+            if (e.code === 'KeyW' || e.code === 'ArrowUp') keys.current.Forward = false;
+            if (e.code === 'KeyS' || e.code === 'ArrowDown') keys.current.Backward = false;
+            if (e.code === 'KeyA' || e.code === 'ArrowLeft') keys.current.Left = false;
+            if (e.code === 'KeyD' || e.code === 'ArrowRight') keys.current.Right = false;
+        };
+
+        window.addEventListener('keydown', handleKeyDown);
+        window.addEventListener('keyup', handleKeyUp);
+
+        return () => {
+            window.removeEventListener('keydown', handleKeyDown);
+            window.removeEventListener('keyup', handleKeyUp);
+        };
+    }, []);
+
+    return keys.current;
+}
+
+export default function Player() {
+    const { camera } = useThree();
+    const controls = usePlayerControls();
+
+    const flashlightRef = useRef<THREE.SpotLight>(null);
+    const movementCounter = useRef<number>(0);
+    const bobIntensity = useRef<number>(0);
+
+    const confirmedSegment = useRef<number>(0);
+    const hasTriggeredThisSegment = useRef<boolean>(false);
+
+    useEffect(() => {
+        playerRoot.set(camera.position.x, FEAR_SETTINGS.PLAYER_HEIGHT, camera.position.z);
+    }, []);
+
+    useFrame((state, delta) => {
+        const dt = Math.min(delta, 0.1);
+
+        camera.getWorldDirection(forward);
+        forward.y = 0;
+        forward.normalize();
+        side.crossVectors(forward, THREE.Object3D.DEFAULT_UP).normalize();
+
+        const moveForward = Number(controls.Forward) - Number(controls.Backward);
+        const moveSide = Number(controls.Right) - Number(controls.Left);
+
+        targetVelocity.set(0, 0, 0);
+        if (moveForward !== 0) targetVelocity.addScaledVector(forward, moveForward);
+        if (moveSide !== 0) targetVelocity.addScaledVector(side, moveSide);
+
+        if (targetVelocity.lengthSq() > 0) 
+            targetVelocity.normalize().multiplyScalar(FEAR_SETTINGS.PLAYER_SPEED);
+
+        currentVelocity.lerp(targetVelocity, 10 * dt);
+
+        playerRoot.x += currentVelocity.x * dt;
+        playerRoot.z += currentVelocity.z * dt;
+
+        const minX = -fearState.currentWidth / 2 + FEAR_SETTINGS.WALL_BUFFER;
+        const maxX = fearState.currentWidth / 2 - FEAR_SETTINGS.WALL_BUFFER;
+        playerRoot.x = THREE.MathUtils.clamp(playerRoot.x, minX, maxX);
+
+        const isMoving = controls.Forward || controls.Backward || controls.Left || controls.Right;
+        
+        bobIntensity.current = THREE.MathUtils.lerp(bobIntensity.current, isMoving ? 1 : 0, 8 * dt);
+        
+        if (isMoving) 
+            movementCounter.current += dt * 12;
+
+        const moveBobY = Math.sin(movementCounter.current) * 0.06 * bobIntensity.current;
+        const moveBobX = Math.cos(movementCounter.current / 2) * 0.04 * bobIntensity.current;
+
+        const breatheTime = state.clock.elapsedTime * 1.8;
+        const breatheBobY = Math.sin(breatheTime) * 0.03 * (1 - bobIntensity.current * 0.5);
+
+        camera.position.copy(playerRoot);
+        camera.position.y += moveBobY + breatheBobY;
+        camera.position.addScaledVector(side, moveBobX);
+
+        if (flashlightRef.current) {
+            flashlightRef.current.position.copy(camera.position);
+            camera.getWorldDirection(viewDirection);
+
+            targetDest
+                .copy(camera.position)
+                .addScaledVector(viewDirection, 10);
+
+            flashlightRef.current.target.position.lerp(targetDest, 12 * dt);
+            flashlightRef.current.target.updateMatrixWorld();
+
+            flashlightRef.current.intensity = 
+                FEAR_SETTINGS.FLASHLIGHT_INTENSITY_BASE + 
+                Math.sin(state.clock.elapsedTime * 30) * 0.15 * Math.cos(state.clock.elapsedTime * 3);
+        }
+
+        const length = FEAR_SETTINGS.HALLWAY_LENGTH;
+        const absoluteZ = -playerRoot.z; 
+        const rawSegmentIndex = Math.floor(absoluteZ / length);
+        const progressZ = ((absoluteZ % length) + length) % length / length;
+
+        if (rawSegmentIndex > confirmedSegment.current && progressZ > 0.25) {
+            if (!hasTriggeredThisSegment.current) {
+                fearState.registerLoop('forward');
+                hasTriggeredThisSegment.current = true;
+            }
+            confirmedSegment.current = rawSegmentIndex;
+        }
+        else if (rawSegmentIndex < confirmedSegment.current && progressZ < 0.75) {
+            if (!hasTriggeredThisSegment.current) {
+                fearState.registerLoop('backward');
+                hasTriggeredThisSegment.current = true;
+            }
+            confirmedSegment.current = rawSegmentIndex;
+        }
+
+        if (rawSegmentIndex === confirmedSegment.current && progressZ > 0.35 && progressZ < 0.65) {
+            hasTriggeredThisSegment.current = false;
+        }
+    });
+
+    return (
+        <>
+            <PointerLockControls />
+            <spotLight
+                ref={flashlightRef}
+                distance={25}
+                angle={0.35}
+                penumbra={0.8}
+                intensity={0}
+                color="#fffaed"
+                decay={2}
+                castShadow
+                shadow-bias={-0.001}
+            />
+        </>
+    );
+}

src/app/fear/state.ts

@@ -0,0 +1,59 @@
+import * as THREE from 'three';
+
+export const FEAR_SETTINGS = {
+    HALLWAY_LENGTH: 40,
+    HALLWAY_WIDTH: 6,
+    HALLWAY_HEIGHT: 5,
+    PLAYER_HEIGHT: 3,
+    PLAYER_SPEED: 4,
+    FLASHLIGHT_INTENSITY_BASE: 8,
+    WALL_BUFFER: 0.6,
+    CREATURE_SPEED: 8,
+
+    EVENT_NARROW_LOOP_COUNT: 2,
+    EVENT_RUST_LOOP_COUNT: 4,
+    EVENT_FINALE_LOOP_COUNT: 5
+};
+
+const listeners = new Set<() => void>();
+
+export const fearState = {
+    loopCount: 0,
+    currentWidth: FEAR_SETTINGS.HALLWAY_WIDTH,
+    isRustActive: false,
+    finaleTriggered: false,
+    wasCaught: false,
+
+    subscribe(listener: () => void) {
+        listeners.add(listener);
+        return () => { listeners.delete(listener); };
+    },
+
+    emit() {
+        listeners.forEach((listener) => listener());
+    },
+
+    update(delta: number) {
+        const targetWidth = this.loopCount >= FEAR_SETTINGS.EVENT_NARROW_LOOP_COUNT ? 2.5 : FEAR_SETTINGS.HALLWAY_WIDTH;
+        const newWidth = THREE.MathUtils.lerp(this.currentWidth, targetWidth, 2 * delta);
+
+        if (Math.abs(this.currentWidth - newWidth) > 0.001) {
+            this.currentWidth = newWidth;
+            this.emit();
+        }
+    },
+
+    registerLoop(direction: 'forward' | 'backward') {
+        this.loopCount += 1;
+
+        this.isRustActive = this.loopCount >= FEAR_SETTINGS.EVENT_RUST_LOOP_COUNT;
+        this.finaleTriggered = this.loopCount >= FEAR_SETTINGS.EVENT_FINALE_LOOP_COUNT;
+
+        this.emit();
+    },
+
+    registerCaught() {
+        this.wasCaught = true;
+        this.emit();
+    }
+};

src/app/layout.tsx

@@ -1,11 +1,26 @@
-import type { Metadata } from 'next';
+import type { Metadata, Viewport } from 'next';
 import './globals.css';
 
 export const metadata: Metadata = {
 	title: '⛧',
-	description: ''
+	// description: '',
+	openGraph: {
+		// title: '⛧',
+		// description: '',
+		images: [
+			{
+				url: 'https://neru.rip/img/ok.jpg',
+				width: 734,
+				height: 1104,
+			},
+		],
+	}
 };
 
+export const viewport: Viewport = {
+  themeColor: '#fbcfe8',
+}
+
 export default function RootLayout({
 	children
 }: Readonly<{

src/app/niko/page.css

@@ -0,0 +1,46 @@
+.canvas {
+	width: 100vw !important;
+	height: 100vh !important;
+}
+
+.loader {
+	position: fixed;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+	background: black;
+	z-index: 4444;
+	transition: opacity 1s ease-in-out;
+	pointer-events: none;
+
+	opacity: 1;
+
+	display: flex;
+	justify-content: center;
+	align-items: center;
+
+	will-change: opacity;
+}
+
+.loader.hidden {
+	opacity: 0;
+}
+
+.niko-spin {
+	width: 50vw;
+	height: auto;
+	display: block;
+	animation: spin 3s ease-in-out infinite;
+	will-change: transform;
+}
+
+@keyframes spin {
+	0% {
+		transform: rotate(0deg);
+	}
+
+	100% {
+		transform: rotate(360deg);
+	}
+}

src/app/niko/page.tsx

@@ -0,0 +1,173 @@
+'use client';
+
+import './page.css';
+
+import { Environment, OrbitControls, useProgress } from "@react-three/drei";
+import { Canvas, useLoader } from '@react-three/fiber';
+import { Bloom, BrightnessContrast, DepthOfField, EffectComposer, HueSaturation, LUT, Noise, SMAA, SSAO, Vignette } from '@react-three/postprocessing';
+import { useLayoutEffect, useState } from "react";
+import { folder, useControls, Leva } from 'leva';
+import SealCube from './scene-components/sealcube';
+import Terrain from './scene-components/terrain';
+import { LUTCubeLoader } from 'three/examples/jsm/Addons.js';
+import { AmbientSound } from './scene-components/ambient-sound';
+
+function Loader() {
+  const { progress, active } = useProgress();
+  const [visible, setVisible] = useState(true);
+
+  useLayoutEffect(() => {
+    if (!active && progress === 100) {
+      const timeout = setTimeout(() => setVisible(false), 500);
+      return () => clearTimeout(timeout);
+    }
+  }, [progress, active]);
+
+  return (
+    <div className={`loader ${!visible ? 'loader hidden' : ''}`}>
+      <picture>
+        <img src='niko/img/niko.jpg' className='niko-spin' />
+      </picture>
+    </div>
+  );
+}
+
+function Scene() {
+  const {
+    terrainDryColor,
+    terrainLushColor,
+    chunks,
+    chunkSize,
+    resolution,
+    hillScale,
+    hillHeight,
+    detailScale,
+    detailHeight,
+    grassDryColor,
+    grassLushColor,
+    grassCount,
+    grassSize,
+    grassLOD,
+    grassBlades,
+    grassSegments,
+    grassLODStart,
+    grassLODExponent
+  } = useControls('Environment', {
+    Terrain: folder({
+      terrainDryColor: '#232a0c',
+      terrainLushColor: '#142a14',
+      chunks: { value: 16, min: 4, max: 24, step: 2 },
+      chunkSize: { value: 10.0, min: 5.0, max: 40.0, step: 1.0 },
+      resolution: { value: 8.0, min: 4.0, max: 30.0, step: 1.0 },
+      hillScale: { value: 0.15, min: 0.01, max: 0.5, step: 0.01 },
+      hillHeight: { value: 4.0, min: 0.0, max: 20.0, step: 0.5 },
+      detailScale: { value: 1.0, min: 0.1, max: 5.0, step: 0.1 },
+      detailHeight: { value: 0.3, min: 0.0, max: 2.0, step: 0.05 },
+    }),
+    Grass: folder({
+      grassDryColor: '#495a17',
+      grassLushColor: '#255825',
+      grassCount: { value: 8000, min: 1000, max: 30000, step: 500 },
+      grassSize: { value: 0.85, min: 0.1, max: 2.0, step: 0.05 },
+      grassLOD: { value: 60, min: 10, max: 200, step: 5 },
+      grassBlades: { value: 3, min: 1, max: 5, step: 1 },
+      grassSegments: { value: 4, min: 1, max: 5, step: 1 },
+      grassLODStart: { value: 0.15, min: 0.0, max: 0.9, step: 0.05 },
+      grassLODExponent: { value: 1.8, min: 0.5, max: 3.0, step: 0.1 },
+    })
+  });
+
+  return (<>
+    <Environment
+      files={'niko/hdr/sky.hdr'}
+      environmentIntensity={0.85}
+      background
+    />
+
+    <fogExp2 attach='fog' args={[0xa3a5ba, 0.0125]} />
+
+    <ambientLight intensity={0.5} />
+    <directionalLight
+      position={[15, 25, 15]}
+      intensity={1}
+    />
+
+    <Terrain
+      chunks={chunks}
+      chunkSize={chunkSize}
+      resolution={resolution}
+      scale={1}
+      hillScale={hillScale}
+      hillHeight={hillHeight}
+      detailScale={detailScale}
+      detailHeight={detailHeight}
+      grassCount={grassCount}
+      grassSize={grassSize}
+      grassLOD={grassLOD}
+      terrainDryColor={terrainDryColor}
+      terrainLushColor={terrainLushColor}
+      grassDryColor={grassDryColor}
+      grassLushColor={grassLushColor}
+      grassBlades={grassBlades}
+      grassSegments={grassSegments}
+      grassLODStart={grassLODStart}
+      grassLODExponent={grassLODExponent}
+    />
+
+    <SealCube />
+  </>)
+}
+
+function LutEffect() {
+  const lutTexture = useLoader(LUTCubeLoader, 'niko/lut/Landscape6.cube');
+  return <LUT lut={lutTexture.texture3D} />;
+}
+
+function PostProcessing() {
+  return (<EffectComposer>
+    <DepthOfField target={[0, 3, 0]} focalLength={10} bokehScale={5} />
+    <Vignette />
+    <Noise opacity={0.05} />
+    <Bloom
+      intensity={0.8}
+      luminanceThreshold={0.4}
+      luminanceSmoothing={0.5}
+    />
+    <SMAA />
+    <HueSaturation saturation={0.3} />
+    <BrightnessContrast brightness={0.05} contrast={-0.1} />
+    <LutEffect />
+  </EffectComposer>)
+}
+
+export default function Seal() {
+  const isProduction = process.env.NODE_ENV === 'production';
+
+  return (
+    <>
+      <Leva hidden={isProduction} />
+
+      <Loader />
+      <Canvas
+        shadows
+        camera={{ position: [0, 5, 15], fov: 50, far: 100 }}
+        gl={{ antialias: false, powerPreference: "high-performance" }}
+        className='canvas'
+      >
+        <AmbientSound url="niko/snd/wind.mp3" volume={0.4} />
+        <AmbientSound url="niko/snd/birds.mp3" volume={0.1} />
+
+        <Scene />
+        <PostProcessing />
+
+        <OrbitControls
+          target={[0, 3, 0]}
+          enablePan={false}
+          makeDefault
+          minDistance={2}
+          maxDistance={6}
+        />
+      </Canvas>
+    </>
+  );
+}

src/app/niko/scene-components/ambient-sound.tsx

@@ -0,0 +1,43 @@
+import { useEffect, useRef } from 'react'
+
+interface AmbientSoundProps {
+    url: string
+    volume?: number
+}
+
+export function AmbientSound({ url, volume = 0.5 }: AmbientSoundProps) {
+    const audioRef = useRef<HTMLAudioElement | null>(null)
+
+    useEffect(() => {
+        const audio = new Audio(url)
+        audio.loop = true
+        audio.volume = volume
+        audioRef.current = audio
+
+        const startAudio = () => {
+            audio.play().catch((err) => {
+                console.warn('Autoplay blocked. Waiting for user interaction.', err)
+            })
+        }
+
+        startAudio()
+
+        window.addEventListener('click', startAudio, { once: true })
+        window.addEventListener('keydown', startAudio, { once: true })
+
+        return () => {
+            window.removeEventListener('click', startAudio)
+            window.removeEventListener('keydown', startAudio)
+            audio.pause()
+            audioRef.current = null
+        }
+    }, [url])
+
+    useEffect(() => {
+        if (audioRef.current) {
+            audioRef.current.volume = volume
+        }
+    }, [volume])
+
+    return null
+}

src/app/niko/scene-components/grass.tsx

@@ -0,0 +1,312 @@
+import { useFrame, useLoader } from "@react-three/fiber";
+import { useLayoutEffect, useMemo, useRef } from "react";
+import { BufferAttribute, BufferGeometry, Color, DoubleSide, InstancedMesh, MeshStandardMaterial, Object3D, TextureLoader } from "three";
+import { getTerrainHeight, Shader } from "./helpers";
+
+import grassVert from './shaders/grass.vert';
+import grassFrag from './shaders/grass.frag';
+
+interface GrassProps {
+	x: number;
+	y: number;
+	size: number;
+	count: number;
+	grassSize: number;
+	scale: number;
+	hillScale: number;
+	hillHeight: number;
+	detailScale: number;
+	detailHeight: number;
+	noise2D: (x: number, y: number) => number;
+	grassLOD: number;
+	dryColor: string;
+	lushColor: string;
+	grassBlades?: number;
+	grassSegments?: number;
+	grassLODStart?: number;
+	grassLODExponent?: number;
+}
+
+export default function Grass({
+	x,
+	y,
+	size,
+	count,
+	grassSize,
+	scale,
+	hillScale,
+	hillHeight,
+	detailScale,
+	detailHeight,
+	noise2D,
+	grassLOD,
+	dryColor = '#556b19',
+	lushColor = '#348a34',
+	grassBlades = 3,
+	grassSegments = 4,
+	grassLODStart = 0.5,
+	grassLODExponent = 1.0
+}: GrassProps) {
+	const meshRef = useRef<InstancedMesh>(null);
+	const dummyRef = useRef<Object3D>(new Object3D());
+
+	const [alphaMap, normalMap] = useLoader(TextureLoader, [
+		'niko/img/grass_alpha.png',
+		'niko/img/grass_normal.png'
+	]);
+
+	const materialRef = useRef<
+		MeshStandardMaterial & { userData: { shader: Shader } }
+	>(null);
+
+	useFrame((state) => {
+		if (
+			materialRef.current &&
+			materialRef.current.userData &&
+			materialRef.current.userData.shader
+		) {
+			(materialRef.current.userData.shader as Shader).uniforms.uTime.value =
+				state.clock.getElapsedTime();
+		}
+	});
+
+	const geometry = useMemo(() => {
+		const geo = new BufferGeometry();
+
+		const w = 0.5;
+		const h = 2;
+		const segments = grassSegments;
+		const bladesCount = grassBlades;
+
+		const positions: number[] = [];
+		const uvs: number[] = [];
+		const indices: number[] = [];
+
+		for (let i = 0; i < bladesCount; i++) {
+			const angle = (Math.PI / bladesCount) * i;
+			const sinA = Math.sin(angle);
+			const cosA = Math.cos(angle);
+
+			const offset = positions.length / 3;
+
+			for (let y = 0; y <= segments; y++) {
+				const v = y / segments;
+				const yPos = v * h;
+
+				positions.push(-w * cosA, yPos, -w * sinA);
+				uvs.push(0, v);
+
+				positions.push(w * cosA, yPos, w * sinA);
+				uvs.push(1, v);
+			}
+
+			for (let y = 0; y < segments; y++) {
+				const row1 = offset + y * 2;
+				const row2 = offset + (y + 1) * 2;
+
+				indices.push(row1, row1 + 1, row2);
+				indices.push(row1 + 1, row2 + 1, row2);
+			}
+		}
+
+		geo.setAttribute(
+			'position',
+			new BufferAttribute(new Float32Array(positions), 3)
+		);
+		geo.setAttribute('uv', new BufferAttribute(new Float32Array(uvs), 2));
+		geo.setIndex(indices);
+		geo.computeVertexNormals();
+
+		return geo;
+	}, [grassBlades, grassSegments]);
+
+	useLayoutEffect(() => {
+		if (!meshRef.current) return;
+		const dummy = dummyRef.current;
+
+		const worldXBase = x * size;
+		const worldZBase = y * size;
+
+		const color = new Color();
+		const lushColorObj = new Color(lushColor);
+		const dryColorObj = new Color(dryColor);
+
+		let instanceIndex = 0;
+
+		for (let i = 0; i < count; i++) {
+			const localX = (Math.random() - 0.5) * size;
+			const localZ = (Math.random() - 0.5) * size;
+
+			const globalX = worldXBase + localX;
+			const globalZ = worldZBase + localZ;
+
+			const dist = Math.sqrt(globalX * globalX + globalZ * globalZ);
+
+			const maxDist = grassLOD;
+
+			const falloffStart = maxDist * grassLODStart;
+			const falloffEnd = maxDist;
+
+			let fallofFactor = (dist - falloffStart) / (falloffEnd - falloffStart);
+			fallofFactor = Math.max(0, Math.min(1, fallofFactor));
+
+			const density = Math.pow(1.0 - fallofFactor, grassLODExponent);
+
+			if (Math.random() > density) continue;
+
+			const localY = getTerrainHeight(
+				localX,
+				localZ,
+				worldXBase,
+				worldZBase,
+				scale,
+				hillScale,
+				hillHeight,
+				detailScale,
+				detailHeight,
+				noise2D
+			);
+
+			dummy.position.set(localX, localY, localZ);
+
+			dummy.rotation.y = Math.random() * Math.PI * 2;
+			dummy.rotation.x = (Math.random() - 0.5) * 0.2;
+			dummy.rotation.z = (Math.random() - 0.5) * 0.2;
+
+			const noiseVal = noise2D(globalX * 0.02, globalZ * 0.02);
+			const t = (noiseVal + 1) / 2;
+			const randomInternal = (Math.random() - 0.5) * 0.2;
+			const finalT = Math.max(0, Math.min(1, t + randomInternal));
+			color.lerpColors(dryColorObj, lushColorObj, finalT);
+			meshRef.current.setColorAt(instanceIndex, color);
+
+			const heightNoise = noise2D(globalX * 0.08, globalZ * 0.08);
+			const macroHeight = (heightNoise + 1.0) * 0.5; // 0..1
+			const microNoise = noise2D(globalX * 0.3, globalZ * 0.3);
+			const microHeight = (microNoise + 1.0) * 0.25; // 0..0.5
+			const perBladeRandom = Math.random() * 0.4;
+
+			const grassWidth = grassSize * (0.7 + Math.random() * 0.5);
+			const grassHeight = grassSize * (0.4 + macroHeight * 0.8 + microHeight + perBladeRandom);
+
+			dummy.scale.set(grassWidth, grassHeight, grassWidth);
+
+			dummy.updateMatrix();
+			meshRef.current.setMatrixAt(instanceIndex, dummy.matrix);
+
+			instanceIndex++;
+		}
+		meshRef.current.count = instanceIndex;
+
+		meshRef.current.instanceMatrix.needsUpdate = true;
+		if (meshRef.current.instanceColor)
+			meshRef.current.instanceColor.needsUpdate = true;
+	}, [
+		x,
+		y,
+		size,
+		count,
+		grassSize,
+		scale,
+		hillScale,
+		hillHeight,
+		detailScale,
+		detailHeight,
+		noise2D,
+		grassLOD,
+		dryColor,
+		lushColor,
+		grassLODStart,
+		grassLODExponent
+	]);
+
+	const onBeforeCompile = useMemo(
+		() => (shader: Shader) => {
+			shader.uniforms.uTime = { value: 0 };
+
+			shader.vertexShader = `
+            uniform float uTime;
+            varying vec2 vGrassUv;
+            varying vec3 vWorldPos;
+            
+            float hash(vec2 p) {
+                return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453);
+            }
+            
+            float noise(vec2 p) {
+                vec2 i = floor(p);
+                vec2 f = fract(p);
+                f = f * f * (3.0 - 2.0 * f);
+                float a = hash(i);
+                float b = hash(i + vec2(1.0, 0.0));
+                float c = hash(i + vec2(0.0, 1.0));
+                float d = hash(i + vec2(1.0, 1.0));
+                return mix(mix(a, b, f.x), mix(c, d, f.x), f.y);
+            }
+            
+            float fbm(vec2 p) {
+                float value = 0.0;
+                float amplitude = 0.5;
+                float frequency = 1.0;
+                for(int i = 0; i < 4; i++) {
+                    value += amplitude * noise(p * frequency);
+                    frequency *= 2.0;
+                    amplitude *= 0.5;
+                }
+                return value;
+            }
+            
+            ${shader.vertexShader}
+        `;
+
+			shader.vertexShader = shader.vertexShader.replace(
+				'#include <begin_vertex>',
+				`
+            #include <begin_vertex>
+            ${grassVert}
+            `
+			);
+
+			shader.fragmentShader = `
+            uniform float uTime;
+            varying vec2 vGrassUv;
+            varying vec3 vWorldPos;
+            ${shader.fragmentShader}
+        `;
+
+			shader.fragmentShader = shader.fragmentShader.replace(
+				'#include <color_fragment>',
+				`
+            #include <color_fragment>
+            ${grassFrag}
+            `
+			);
+
+			if (materialRef.current) {
+				materialRef.current.userData.shader = shader;
+			}
+		},
+		[]
+	);
+
+	return (
+		<instancedMesh
+			ref={meshRef}
+			args={[undefined, undefined, count]}
+			position={[x * size, 0, y * size]}
+			geometry={geometry}
+		>
+			<meshStandardMaterial
+				ref={materialRef}
+				color='#ffffff'
+				side={DoubleSide}
+				alphaMap={alphaMap}
+				alphaTest={0.5}
+				normalMap={normalMap}
+				roughness={0.8}
+				metalness={0.1}
+				onBeforeCompile={onBeforeCompile}
+			/>
+		</instancedMesh>
+	);
+}

src/app/niko/scene-components/helpers.tsx

@@ -0,0 +1,28 @@
+export function getTerrainHeight(
+    localX: number,
+    localZ: number,
+    worldXBase: number,
+    worldZBase: number,
+    scale: number,
+    hillScale: number,
+    hillHeight: number,
+    detailScale: number,
+    detailHeight: number,
+    noise2D: (x: number, y: number) => number
+) {
+    const worldX = (worldXBase + localX) * 0.1;
+    const worldZ = (worldZBase + localZ) * 0.1;
+
+    const noiseHill =
+        noise2D(worldX * hillScale, worldZ * hillScale) * hillHeight;
+    const noiseDetail =
+        noise2D(worldX * detailScale, worldZ * detailScale) * detailHeight;
+
+    return (noiseHill + noiseDetail) * scale;
+}
+
+export interface Shader {
+	uniforms: { [key: string]: { value: unknown } };
+	vertexShader: string;
+	fragmentShader: string;
+}

src/app/niko/scene-components/sealcube.tsx

@@ -0,0 +1,33 @@
+import { useFrame, useLoader } from "@react-three/fiber";
+import { forwardRef, useImperativeHandle, useRef } from "react";
+import { Mesh, TextureLoader } from "three";
+
+const SealCube = forwardRef<Mesh>((props, ref) => {
+    const texture = useLoader(TextureLoader, 'niko/img/niko.jpg');
+    const meshRef = useRef<Mesh>(null);
+
+    useImperativeHandle(ref, () => meshRef.current!, []);
+
+    useFrame((state, delta) => {
+        if (meshRef.current) {
+            meshRef.current.rotation.x += delta * 0.5;
+            meshRef.current.rotation.y += delta * 0.5;
+            meshRef.current.position.y = 3 + Math.sin(state.clock.getElapsedTime() * 1) * 0.15;
+        }
+    });
+
+    return (
+        <mesh ref={meshRef} position={[0, 3, 0]} castShadow receiveShadow>
+            <boxGeometry args={[0.85, 0.85, 0.85]} />
+            <meshStandardMaterial
+                map={texture}
+                roughness={0.4}
+                metalness={0.1}
+                envMapIntensity={1.2}
+            />
+        </mesh>
+    );
+});
+SealCube.displayName = 'SealCube';
+
+export default SealCube;

src/app/niko/scene-components/shaders/grass.frag

@@ -0,0 +1,31 @@
+float ao = smoothstep(0.0, 0.7, vGrassUv.y);
+ao = mix(0.05, 1.0, pow(ao, 1.6));
+
+vec3 rootColor = diffuseColor.rgb * 0.15;
+vec3 midColor = diffuseColor.rgb;
+vec3 tipColor = diffuseColor.rgb * 1.3 + vec3(0.06, 0.08, 0.0);
+
+float heightParam = vGrassUv.y;
+vec3 grassColor;
+if (heightParam < 0.4) {
+    float t = smoothstep(0.0, 0.4, heightParam);
+    grassColor = mix(rootColor, midColor, t);
+} else {
+    float t = smoothstep(0.4, 1.0, heightParam);
+    grassColor = mix(midColor, tipColor, t);
+}
+
+vec3 viewDir = normalize(cameraPosition - vWorldPos);
+vec3 lightDir = normalize(vec3(15.0, 25.0, 15.0));
+
+float VdotL = max(0.0, dot(viewDir, -lightDir));
+float sss = pow(VdotL, 3.0) * smoothstep(0.2, 0.9, vGrassUv.y);
+
+vec3 sssColor = diffuseColor.rgb * vec3(0.6, 1.0, 0.15) * 1.8;
+grassColor += sssColor * sss * 2.0;
+
+float NdotV = 1.0 - max(0.0, dot(normalize(vNormal), viewDir));
+float rim = pow(NdotV, 3.0) * smoothstep(0.3, 1.0, vGrassUv.y) * 0.15;
+grassColor += vec3(0.3, 0.5, 0.1) * rim;
+
+diffuseColor.rgb = grassColor * ao;

src/app/niko/scene-components/shaders/grass.vert

@@ -1,3 +1,5 @@
+vGrassUv = uv;
+
 vec4 worldPos = modelMatrix * instanceMatrix * vec4(0.0, 0.0, 0.0, 1.0);
 float gx = worldPos.x;
 float gz = worldPos.z;
@@ -19,19 +21,32 @@ float spring = sin(uTime * 2.0 + phase) * 0.06 + sin(uTime * 4.5 + phase * 1.5)
 float angleNoise = fbm(windSamplePos * 2.0 + uTime * 0.1) - 0.5;
 vec2 windDir = normalize(mainWindDir + vec2(-mainWindDir.y, mainWindDir.x) * angleNoise * 0.4);
 
-float taperFactor = pow(uv.y, 4.0);
+// taper (fade)
-float taper = 1.0 - taperFactor * 0.6;
+float taperFactor = uv.y * uv.y * uv.y;
+float taper = 1.0 - taperFactor * 0.85;
 transformed.x *= taper;
 transformed.z *= taper;
 
+// curve
 float curveVal = fbm(vec2(gx, gz) * 0.5);
-float curveStrength = 2.0 + curveVal * 2.0; 
+float curveStrength = 1.5 + curveVal * 2.5; 
 float curveAmount = uv.y * uv.y * curveStrength; 
 vec2 curveDir = normalize(vec2(curveVal, fbm(vec2(gz, gx))) - 0.5);
-transformed.x += curveAmount * curveDir.x * 0.5;
+transformed.x += curveAmount * curveDir.x * 0.4;
-transformed.z += curveAmount * curveDir.y * 0.5;
+transformed.z += curveAmount * curveDir.y * 0.4;
 
+// sway
 float swayAmount = (totalWind + spring) * uv.y * uv.y;
 transformed.x += swayAmount * windDir.x;
 transformed.z += swayAmount * windDir.y;
 transformed.y -= abs(swayAmount) * 0.2;
+
+// normal comp
+vec2 totalBend = curveDir * curveAmount * 0.4 + windDir * swayAmount;
+float bendMag = length(totalBend);
+vec3 bentNormal = normalize(vec3(-totalBend.x * 0.5, 1.0, -totalBend.y * 0.5));
+
+// normal mix
+objectNormal = normalize(mix(vec3(0.0, 1.0, 0.0), bentNormal, uv.y));
+
+vWorldPos = (modelMatrix * instanceMatrix * vec4(transformed, 1.0)).xyz;

src/app/niko/scene-components/terrain.tsx

@@ -0,0 +1,279 @@
+import { useMemo, useRef } from "react";
+import { BufferAttribute, BufferGeometry, Color, Mesh } from "three";
+import { getTerrainHeight } from "./helpers";
+import Grass from "./grass";
+import { createNoise2D } from "simplex-noise";
+
+interface TerrainChunkProps {
+	x: number;
+	y: number;
+	size: number;
+	resolution: number;
+	scale: number;
+	hillScale: number;
+	hillHeight: number;
+	detailScale: number;
+	detailHeight: number;
+	noise2D: (x: number, y: number) => number;
+	grassCount: number;
+	grassSize: number;
+	grassLOD: number;
+	terrainDryColor: string;
+	terrainLushColor: string;
+	grassDryColor: string;
+	grassLushColor: string;
+	grassBlades: number;
+	grassSegments: number;
+	grassLODStart: number;
+	grassLODExponent: number;
+}
+function TerrainChunk({
+	x,
+	y,
+	size,
+	resolution,
+	scale,
+	hillScale,
+	hillHeight,
+	detailScale,
+	detailHeight,
+	noise2D,
+	grassCount,
+	grassSize,
+	grassLOD,
+	terrainDryColor,
+	terrainLushColor,
+	grassDryColor,
+	grassLushColor,
+	grassBlades,
+	grassSegments,
+	grassLODStart,
+	grassLODExponent
+}: TerrainChunkProps) {
+	const halfSize = size / 2;
+	const worldXBase = x * size;
+	const worldZBase = y * size;
+
+	const minX = Math.abs(worldXBase) <= halfSize ? 0 : Math.abs(worldXBase) - halfSize;
+	const minZ = Math.abs(worldZBase) <= halfSize ? 0 : Math.abs(worldZBase) - halfSize;
+	const chunkMinDist = Math.sqrt(minX * minX + minZ * minZ);
+
+	const shouldRenderGrass = chunkMinDist < grassLOD;
+
+	const meshRef = useRef<Mesh>(null);
+
+	const geometry = useMemo(() => {
+		const geo = new BufferGeometry();
+
+		const vertices: Array<number> = [];
+		const indices: Array<number> = [];
+
+		const step = size / (resolution - 1);
+		const halfSize = size / 2;
+		const worldXBase = x * size;
+		const worldZBase = y * size;
+
+		/*
+			vtx gen
+		*/
+		for (let iz = 0; iz < resolution; iz++) {
+			for (let ix = 0; ix < resolution; ix++) {
+				const localX = ix * step - halfSize;
+				const localZ = iz * step - halfSize;
+
+				const localY = getTerrainHeight(
+					localX,
+					localZ,
+					worldXBase,
+					worldZBase,
+					scale,
+					hillScale,
+					hillHeight,
+					detailScale,
+					detailHeight,
+					noise2D
+				);
+
+				vertices.push(localX, localY, localZ);
+			}
+		}
+
+		/*
+			idx gen
+		*/
+		for (let iz = 0; iz < resolution - 1; iz++) {
+			for (let ix = 0; ix < resolution - 1; ix++) {
+				const topLeft = iz * resolution + ix;
+				const topRight = topLeft + 1;
+				const bottomLeft = (iz + 1) * resolution + ix;
+				const bottomRight = bottomLeft + 1;
+
+				indices.push(topLeft, bottomLeft, topRight);
+				indices.push(topRight, bottomLeft, bottomRight);
+			}
+		}
+		geo.setAttribute(
+			'position',
+			new BufferAttribute(new Float32Array(vertices), 3)
+		);
+
+		const colors: Array<number> = [];
+		for (let iz = 0; iz < resolution; iz++) {
+			for (let ix = 0; ix < resolution; ix++) {
+				const localX = ix * step - halfSize;
+				const localZ = iz * step - halfSize;
+				const globalX = worldXBase + localX;
+				const globalZ = worldZBase + localZ;
+				const colorNoise = noise2D(globalX * 0.02, globalZ * 0.02);
+				const t = (colorNoise + 1) / 2;
+
+				const dryGreen = new Color(terrainDryColor);
+				const lushGreen = new Color(terrainLushColor);
+
+				const r = dryGreen.r + (lushGreen.r - dryGreen.r) * t;
+				const g = dryGreen.g + (lushGreen.g - dryGreen.g) * t;
+				const b = dryGreen.b + (lushGreen.b - dryGreen.b) * t;
+
+				colors.push(r, g, b);
+			}
+		}
+		geo.setAttribute('color', new BufferAttribute(new Float32Array(colors), 3));
+
+		geo.setIndex(indices);
+		geo.computeVertexNormals();
+
+		return geo;
+	}, [
+		x,
+		y,
+		size,
+		resolution,
+		scale,
+		hillScale,
+		hillHeight,
+		detailScale,
+		detailHeight,
+		noise2D,
+		terrainDryColor,
+		terrainLushColor
+	]);
+
+	return (
+		<group>
+			<mesh
+				ref={meshRef}
+				geometry={geometry}
+				position={[x * size, 0, y * size]}
+			>
+				<meshStandardMaterial vertexColors roughness={1.0} metalness={0.0} />
+			</mesh>
+			{shouldRenderGrass && (
+				<Grass
+					x={x}
+					y={y}
+					size={size}
+					count={grassCount}
+					grassSize={grassSize}
+					scale={scale}
+					hillScale={hillScale}
+					hillHeight={hillHeight}
+					detailScale={detailScale}
+					detailHeight={detailHeight}
+					noise2D={noise2D}
+					grassLOD={grassLOD}
+					dryColor={grassDryColor}
+					lushColor={grassLushColor}
+					grassBlades={grassBlades}
+					grassSegments={grassSegments}
+					grassLODStart={grassLODStart}
+					grassLODExponent={grassLODExponent}
+				/>
+			)}
+		</group>
+	);
+}
+
+interface TerrainProps {
+	chunks?: number;
+	chunkSize?: number;
+	resolution?: number;
+	scale?: number;
+	hillScale: number;
+	hillHeight: number;
+	detailScale: number;
+	detailHeight: number;
+	grassCount?: number;
+	grassSize?: number;
+	grassLOD?: number;
+	terrainDryColor?: string;
+	terrainLushColor?: string;
+	grassDryColor?: string;
+	grassLushColor?: string;
+	grassBlades?: number;
+	grassSegments?: number;
+	grassLODStart?: number;
+	grassLODExponent?: number;
+}
+export default function Terrain({
+	chunks = 5,
+	chunkSize = 10,
+	resolution = 8,
+	scale = 1,
+	hillScale = 0.2,
+	hillHeight = 3,
+	detailScale = 3,
+	detailHeight = 0.1,
+	grassCount = 6000,
+	grassSize = 0.6,
+	grassLOD = 40,
+	terrainDryColor = '#010100',
+	terrainLushColor = '#000800',
+	grassDryColor = '#556b19',
+	grassLushColor = '#348a34',
+	grassBlades = 2,
+	grassSegments = 2,
+	grassLODStart = 0.5,
+	grassLODExponent = 1.0
+}: TerrainProps) {
+	const noise2D = useMemo(() => createNoise2D(), []);
+	const offset = -Math.floor(chunks / 2);
+
+	const chunkPositions = useMemo(() => {
+		const positions: [number, number][] = [];
+		for (let x = 0; x < chunks; x++)
+			for (let y = 0; y < chunks; y++) positions.push([x + offset, y + offset]);
+
+		return positions;
+	}, [chunks, offset]);
+
+	return (
+		<group>
+			{chunkPositions.map(([x, y], index) => (
+				<TerrainChunk
+					key={`${x}-${y}-${index}`}
+					x={x}
+					y={y}
+					size={chunkSize}
+					resolution={resolution}
+					scale={scale}
+					hillScale={hillScale}
+					hillHeight={hillHeight}
+					detailScale={detailScale}
+					detailHeight={detailHeight}
+					noise2D={noise2D}
+					grassCount={grassCount}
+					grassSize={grassSize}
+					grassLOD={grassLOD}
+					terrainDryColor={terrainDryColor}
+					terrainLushColor={terrainLushColor}
+					grassDryColor={grassDryColor}
+					grassLushColor={grassLushColor}
+					grassBlades={grassBlades}
+					grassSegments={grassSegments}
+					grassLODStart={grassLODStart}
+					grassLODExponent={grassLODExponent}
+				/>
+			))}
+		</group>
+	);
+}

src/app/page.css

@@ -1,46 +1,313 @@
-.canvas {
+:root {
-	width: 100vw !important;
+	--bg: #fff;
-	height: 100vh !important;
+	--bg-pattern: #f5eded;
+
+	--surface: #ffffff;
+	--border: #fbcfe8;
+
+	--text-header: #475569;
+	--text-title: #64748b;
+	--text-title-shadow: #cbd5e1;
+
+	--text-main: #64748b;
+	--text-dim: #94a3b8;
+
+	--accent: #d7e6ff;
+	--pink-accent: #ffd6f5;
+
+	--sparkle: #ffffff;
+	--sparkle-glow: rgba(255, 182, 193, 0.8);
+
+	--border-width: 2px;
 }
 
-.loader {
+* {
+	cursor: url('/cur/kuromi.webp') 32 32, auto;
+}
+
+body {
+	color: var(--text-main);
+	font-family: "Times New Roman", Times, serif;
+	text-align: center;
+
+	display: flex;
+	justify-content: center;
+	align-items: center;
+	min-height: 100vh;
+	margin: 0;
+	overflow-x: hidden;
+
+	background-color: var(--bg);
+	background-image: radial-gradient(var(--bg-pattern) 2px, transparent 2px);
+	background-size: 16px 16px;
+}
+
+/*
+	layout stuffs
+*/
+@keyframes float {
+	0% {
+		transform: translateY(0px);
+	}
+
+	50% {
+		transform: translateY(-6px);
+	}
+
+	100% {
+		transform: translateY(0px);
+	}
+}
+
+.main-frame {
+	background: var(--surface);
+	padding: 35px 25px 25px 25px;
+	position: relative;
+	max-width: 400px;
+	width: calc(100% - 30px);
+
+	border: 1px solid var(--pink-accent);
+	outline: 4px solid #fff;
+	box-shadow: 0 0 0 5px var(--accent), 8px 8px 0px rgba(215, 230, 255, 0.5);
+
+	border-radius: 2px;
+	animation: float 5s ease-in-out infinite;
+}
+
+.decorative-sparkle {
+	position: absolute;
+	top: 10px;
+	font-size: 1.5rem;
+	color: var(--sparkle);
+	text-shadow: 0 0 20px var(--sparkle-glow), 0 0 15px var(--sparkle-glow), 0 0 10px var(--sparkle-glow), 0 0 5px var(--sparkle-glow);
+	display: inline-flex;
+	align-items: center;
+	justify-content: center;
+	line-height: 1;
+	height: 24px;
+	width: 24px;
+	cursor: url('/cur/kuromi-hearts.webp') 0 0, auto !important;
+	transition: transform 0.2s ease;
+}
+
+.decorative-sparkle:hover {
+	transform: scale(1.15) rotate(15deg);
+}
+
+.content-box {
+	border: 1px double var(--accent);
+	background: #fffdfd;
+	margin-top: 20px;
+	padding: 15px;
+	position: relative;
+	box-shadow: inset 0 0 10px rgba(255, 214, 245, 0.2);
+}
+
+.content-box::before {
+	content: "•";
+	position: absolute;
+	top: -4px;
+	left: 6px;
+	background: #fff;
+	padding: 0 4px;
+	font-size: 0.6rem;
+	color: var(--text-dim);
+}
+
+/*
+	text stuff
+*/
+h1 {
+	font-size: 1.8rem;
+	letter-spacing: 1px;
+	color: var(--text-header);
+	text-transform: lowercase;
+	font-style: italic;
+	font-weight: normal;
+	margin-top: 10px;
+	margin-bottom: 2px;
+	text-shadow: 2px 2px 0px var(--pink-accent);
+}
+
+.motto {
+	font-size: 0.75rem;
+	letter-spacing: 1px;
+	margin-bottom: 15px;
+	color: var(--text-dim);
+}
+
+.social-links {
+	margin: 20px 0;
+	font-size: 0.8rem;
+	color: var(--pink-accent);
+}
+
+.social-links a {
+	color: var(--text-main);
+	text-decoration: none;
+	margin: 0 6px;
+	padding: 2px 6px;
+	border-bottom: 1px dashed transparent;
+	transition: all 0.3s ease;
+}
+
+.social-links a:hover {
+	color: var(--pink-accent);
+	border-bottom: 1px dashed var(--pink-accent);
+}
+
+.social-links button {
+	background: none;
+	border: none;
+	font-family: inherit;
+	font-size: 0.8rem;
+	color: var(--text-main);
+	padding: 2px 6px;
+	margin: 0 6px;
+	border-bottom: 1px dashed transparent;
+	transition: all 0.3s ease;
+}
+
+.social-links button:hover {
+	color: var(--pink-accent);
+	border-bottom: 1px dashed var(--pink-accent);
+}
+
+.title {
+	font-size: 0.95rem;
+	font-style: italic;
+	font-weight: normal;
+	margin-bottom: 8px;
+	color: var(--text-title);
+	letter-spacing: 0.5px;
+}
+
+.directory {
+	list-style: none;
+	padding: 0;
+	display: flex;
+	justify-content: center;
+	gap: 8px;
+	margin: 5px 0;
+	flex-wrap: wrap;
+}
+
+.directory a {
+	text-decoration: none;
+	background: #fff;
+	font-size: 0.73rem;
+	color: var(--text-main);
+	padding: 3px 10px;
+	border: 1px solid var(--accent);
+	box-shadow: 2px 2px 0px var(--pink-accent);
+	transition: 0.2s ease;
+}
+
+.directory a::before {
+	content: "‹ "
+}
+
+.directory a::after {
+	content: " ›"
+}
+
+.directory a:hover {
+	cursor: url('/cur/kuromi-hearts.webp') 0 0, auto !important;
+	color: var(--text-header);
+	box-shadow: 1px 1px 0px var(--pink-accent);
+	background: var(--pink-accent);
+}
+
+/*
+	marquee stuff at the bottom
+*/
+.marquee {
+	width: 100%;
+	overflow: hidden;
+	white-space: nowrap;
+	padding: 6px 0;
+	margin-top: 25px;
+
+	font-size: 0.7rem;
+	color: var(--text-main);
+	opacity: 0.8;
+
+	border-top: 1px double var(--pink-accent);
+	border-bottom: 1px double var(--pink-accent);
+	background: linear-gradient(to right, transparent, rgba(255, 214, 245, 0.3), transparent);
+}
+
+.marquee-track {
+	display: flex;
+	width: max-content;
+	animation: marquee-loop 10s linear infinite;
+}
+
+.marquee-track span {
+	padding-right: 2rem;
+}
+
+@keyframes marquee-loop {
+	0% {
+		transform: translate3d(0, 0, 0);
+	}
+
+	100% {
+		transform: translate3d(-50%, 0, 0);
+	}
+}
+
+/*
+	modal
+*/
+.modal-overlay {
 	position: fixed;
 	top: 0;
 	left: 0;
 	width: 100%;
 	height: 100%;
-	background: black;
+	background: rgba(255, 255, 255, 0.4);
-	z-index: 4444;
+	backdrop-filter: blur(3px);
-	transition: opacity 1s ease-in-out;
-	pointer-events: none;
-
-	opacity: 1;
-
 	display: flex;
 	justify-content: center;
 	align-items: center;
-
+	z-index: 1000;
-	will-change: opacity;
 }
 
-.loader.hidden {
+.modal-content {
-	opacity: 0;
+	background: var(--surface);
+	padding: 20px;
+	border: 1px solid var(--pink-accent);
+	box-shadow: 4px 4px 0px var(--accent);
+	text-align: center;
+	min-width: 250px;
 }
 
-.niko-spin {
+.modal-header {
-	width: 50vw;
+	color: var(--text-title);
-	height: auto;
+	font-size: 1rem;
-	display: block;
+	font-style: italic;
-	animation: spin 3s ease-in-out infinite;
+	margin-bottom: 12px;
-	will-change: transform;
+	border-bottom: 1px dashed var(--accent);
+	padding-bottom: 5px;
 }
 
-@keyframes spin {
+.modal-body p {
-	0% {
+	font-size: 0.85rem;
-		transform: rotate(0deg);
+	margin: 6px 0;
-	}
+	color: var(--text-main);
-
-	100% {
-		transform: rotate(360deg);
-	}
 }
+
+.modal-close-btn {
+	background: none;
+	border: none;
+	margin-top: 12px;
+	font-family: inherit;
+	font-size: 0.7rem;
+	color: var(--text-dim);
+	text-transform: lowercase;
+	font-style: italic;
+	cursor: pointer;
+	text-decoration: underline;
+	text-underline-offset: 2px;
+}

src/app/page.tsx

@@ -1,8 +1,106 @@
 'use client';
 
+import { useEffect, useState } from 'react';
 import './page.css';
-import SealHome from './pages/seal';
+import { DiscordStatus } from './components/discordstatus';
+
+const TWITTER_LINK = "https://x.com/neruu444"
+const DISCORD_USER = "neru444"
+const DISCORD_ID = "1104474057916809226"
+const STEAM_LINK = "https://steamcommunity.com/profiles/76561198440714757/"
+
+function Content() {
+	const [isOpen, setIsOpen] = useState(false);
+
+	const toggleModal = () => setIsOpen(!isOpen);
+
+	useEffect(() => {
+		const handleKeyDown = (e: KeyboardEvent) => {
+			if (e.key === 'Escape' && isOpen)
+				setIsOpen(false);
+		};
+		window.addEventListener('keydown', handleKeyDown);
+		return () => window.removeEventListener('keydown', handleKeyDown);
+	}, [isOpen]);
+
+	const marqueeText = "✧ ꒰ა˵• ﻌ •˵ა꒱ ✧ ฅ^•ﻌ•^ฅ ✧ ᶻ 𝗓 𐰁 /ᐠ. ｡ .ᐟ\\ ✧ ฅ/ᐠ. ̫ .ᐟ\\ฅ ✧ ꒰ა≽^•⩊•^≼໒꒱ ✧ ₍˄·͈༝·͈˄₎ ✧ /ᐠ. ⩊ .ᐟ\\ﾉ ✧ 𓏲ּ ֶָ ࣪ /ᐠ .ᆺ. ᐟ\\ﾉ ✧";
+
+	return (
+		<>
+			<div className="main-frame">
+				<a href="/niko" className="decorative-sparkle" title="✧" style={{ left: '10px' }}>✧</a>
+				<a href="/fear" className="decorative-sparkle" title="✧" style={{ right: '10px' }}>✧</a>
+
+				<header>
+					<h1>neru</h1>
+					<p className="motto">˚₊‧꒰ა 𓂋 ໒꒱ ‧₊˚</p>
+				</header>
+
+				<nav className="social-links">
+					<a href={TWITTER_LINK} target="_blank" rel="noopener noreferrer">twitter</a> •
+					<button onClick={toggleModal}>discord</button> •
+					<a href={STEAM_LINK} target="_blank" rel="noopener noreferrer">steam</a>
+				</nav>
+
+				<section className="content-box">
+					<h2 className="title">✧ discord ✧</h2>
+					<DiscordStatus userId={DISCORD_ID} />
+				</section>
+
+				<section className="content-box">
+					<h2 className="title">✧ projects im currently working on ✧</h2>
+					<ul className="directory">
+						<li><a href="https://git.neru.rip/neru/seallib" target="_blank" rel="noopener noreferrer">seallib</a></li>
+						<li><a href="https://git.neru.rip/neru/tinymitm" target="_blank" rel="noopener noreferrer">tinymitm</a></li>
+						<li><a href="https://git.neru.rip/neru/luma" target="_blank" rel="noopener noreferrer">luma</a></li>
+					</ul>
+				</section>
+
+				<section className="content-box">
+					<h2 className="title">✧ sites ✧</h2>
+					<ul className="directory">
+						<li><a href="https://git.neru.rip" target="_blank" rel="noopener noreferrer">gitea</a></li>
+						<li><a href="https://zl.neru.rip" target="_blank" rel="noopener noreferrer">zipline</a></li>
+						<li><a href="https://files.neru.rip" target="_blank" rel="noopener noreferrer">files</a></li>
+					</ul>
+				</section>
+
+				<section className="content-box">
+					<h2 className="title">✧ dumb stuff ✧</h2>
+					<ul className="directory">
+						<li><a href="discord://-/apps">break discord</a></li>
+						<li><a href="discord://-/channels/@me/">fix discord</a></li>
+					</ul>
+				</section>
+
+				<footer>
+					<div className="marquee">
+						<div className="marquee-track">
+							<span>{marqueeText}</span>
+							<span>{marqueeText}</span>
+						</div>
+					</div>
+				</footer>
+
+				{isOpen && (
+					<div className="modal-overlay" onClick={toggleModal}>
+						<div className="modal-content" onClick={(e) => e.stopPropagation()}>
+							<div className="modal-header">✧ discord info ✧</div>
+							<div className="modal-body">
+								<p><strong>User:</strong> {DISCORD_USER}</p>
+								<p><strong>ID:</strong> {DISCORD_ID}</p>
+							</div>
+							<button className="modal-close-btn" onClick={toggleModal}>[ close ]</button>
+						</div>
+					</div>
+				)}
+			</div>
+		</>
+	);
+}
 
 export default function Home() {
-	return <SealHome />;
+	return (
-}
+		<Content />
+	)
+}

src/app/pages/seal.tsx

@@ -1,684 +0,0 @@
-'use client';
-
-import {
-	forwardRef,
-	useImperativeHandle,
-	useLayoutEffect,
-	useMemo,
-	useRef,
-	useState
-} from 'react';
-
-import {
-	Bloom,
-	EffectComposer,
-	Noise,
-	Vignette,
-	DepthOfField,
-	SMAA,
-	HueSaturation,
-	BrightnessContrast,
-	LUT
-} from '@react-three/postprocessing';
-
-import { Environment, OrbitControls, useProgress } from '@react-three/drei';
-import { Canvas, useLoader, useFrame } from '@react-three/fiber';
-import {
-	BufferAttribute,
-	BufferGeometry,
-	Mesh,
-	Object3D,
-	InstancedMesh,
-	DoubleSide,
-	TextureLoader,
-	Color,
-	MeshStandardMaterial
-} from 'three';
-
-import { LUTCubeLoader } from 'three/examples/jsm/loaders/LUTCubeLoader.js';
-
-import { createNoise2D } from 'simplex-noise';
-
-import grassVert from './shaders/grass.vert';
-import grassFrag from './shaders/grass.frag';
-
-interface Shader {
-	uniforms: { [key: string]: { value: unknown } };
-	vertexShader: string;
-	fragmentShader: string;
-}
-
-function getTerrainHeight(
-	localX: number,
-	localZ: number,
-	worldXBase: number,
-	worldZBase: number,
-	scale: number,
-	hillScale: number,
-	hillHeight: number,
-	detailScale: number,
-	detailHeight: number,
-	noise2D: (x: number, y: number) => number
-) {
-	const worldX = (worldXBase + localX) * 0.1;
-	const worldZ = (worldZBase + localZ) * 0.1;
-
-	const noiseHill =
-		noise2D(worldX * hillScale, worldZ * hillScale) * hillHeight;
-	const noiseDetail =
-		noise2D(worldX * detailScale, worldZ * detailScale) * detailHeight;
-
-	return (noiseHill + noiseDetail) * scale;
-}
-
-interface GrassProps {
-	x: number;
-	y: number;
-	size: number;
-	count: number;
-	grassSize: number;
-	scale: number;
-	hillScale: number;
-	hillHeight: number;
-	detailScale: number;
-	detailHeight: number;
-	noise2D: (x: number, y: number) => number;
-	grassLOD: number;
-	enableShadows?: boolean;
-}
-
-function Grass({
-	x,
-	y,
-	size,
-	count,
-	grassSize,
-	scale,
-	hillScale,
-	hillHeight,
-	detailScale,
-	detailHeight,
-	noise2D,
-	grassLOD
-}: GrassProps) {
-	const meshRef = useRef<InstancedMesh>(null);
-	const dummyRef = useRef<Object3D>(new Object3D());
-
-	const [alphaMap, normalMap] = useLoader(TextureLoader, [
-		'/img/grass_alpha.png',
-		'/img/grass_normal.png'
-	]);
-
-	const materialRef = useRef<
-		MeshStandardMaterial & { userData: { shader: Shader } }
-	>(null);
-
-	useFrame((state) => {
-		if (
-			materialRef.current &&
-			materialRef.current.userData &&
-			materialRef.current.userData.shader
-		) {
-			(materialRef.current.userData.shader as Shader).uniforms.uTime.value =
-				state.clock.getElapsedTime();
-		}
-	});
-
-	const geometry = useMemo(() => {
-		const geo = new BufferGeometry();
-
-		const w = 0.5;
-		const h = 2;
-		const segments = 4;
-
-		const positions: number[] = [];
-		const uvs: number[] = [];
-		const indices: number[] = [];
-
-		for (let i = 0; i < 3; i++) {
-			const angle = (Math.PI / 3) * i;
-			const sinA = Math.sin(angle);
-			const cosA = Math.cos(angle);
-
-			const offset = positions.length / 3;
-
-			for (let y = 0; y <= segments; y++) {
-				const v = y / segments;
-				const yPos = v * h;
-
-				positions.push(-w * cosA, yPos, -w * sinA);
-				uvs.push(0, v);
-
-				positions.push(w * cosA, yPos, w * sinA);
-				uvs.push(1, v);
-			}
-
-			for (let y = 0; y < segments; y++) {
-				const row1 = offset + y * 2;
-				const row2 = offset + (y + 1) * 2;
-
-				indices.push(row1, row1 + 1, row2);
-				indices.push(row1 + 1, row2 + 1, row2);
-			}
-		}
-
-		geo.setAttribute(
-			'position',
-			new BufferAttribute(new Float32Array(positions), 3)
-		);
-		geo.setAttribute('uv', new BufferAttribute(new Float32Array(uvs), 2));
-		geo.setIndex(indices);
-		geo.computeVertexNormals();
-
-		return geo;
-	}, []);
-
-	useLayoutEffect(() => {
-		if (!meshRef.current) return;
-		const dummy = dummyRef.current;
-
-		const worldXBase = x * size;
-		const worldZBase = y * size;
-
-		const color = new Color();
-		const lushColor = new Color('#348a34');
-		const dryColor = new Color('#556b19');
-
-		let instanceIndex = 0;
-
-		for (let i = 0; i < count; i++) {
-			const localX = (Math.random() - 0.5) * size;
-			const localZ = (Math.random() - 0.5) * size;
-
-			const globalX = worldXBase + localX;
-			const globalZ = worldZBase + localZ;
-
-			const dist = Math.sqrt(globalX * globalX + globalZ * globalZ);
-
-			const maxDist = grassLOD;
-
-			const falloffStart = maxDist * 0.1;
-			const falloffEnd = maxDist;
-
-			let fallofFactor = (dist - falloffStart) / (falloffEnd - falloffStart);
-			fallofFactor = Math.max(0, Math.min(1, fallofFactor));
-
-			const density = (1.0 - fallofFactor) * (1.0 - fallofFactor);
-
-			if (Math.random() > density) continue;
-
-			const localY = getTerrainHeight(
-				localX,
-				localZ,
-				worldXBase,
-				worldZBase,
-				scale,
-				hillScale,
-				hillHeight,
-				detailScale,
-				detailHeight,
-				noise2D
-			);
-
-			dummy.position.set(localX, localY, localZ);
-
-			dummy.rotation.y = Math.random() * Math.PI * 2;
-			dummy.rotation.x = (Math.random() - 0.5) * 0.2;
-			dummy.rotation.z = (Math.random() - 0.5) * 0.2;
-
-			const baseScale = grassSize + Math.random() * grassSize * 0.5;
-			const heightMult = 0.5 + Math.random() * 1.0;
-			dummy.scale.set(baseScale, baseScale * heightMult, baseScale);
-
-			dummy.updateMatrix();
-			meshRef.current.setMatrixAt(instanceIndex, dummy.matrix);
-
-			const noiseVal = noise2D(globalX * 0.02, globalZ * 0.02);
-
-			const t = (noiseVal + 1) / 2;
-
-			const randomInternal = (Math.random() - 0.5) * 0.2;
-			const finalT = Math.max(0, Math.min(1, t + randomInternal));
-
-			color.lerpColors(dryColor, lushColor, finalT);
-
-			meshRef.current.setColorAt(instanceIndex, color);
-
-			instanceIndex++;
-		}
-		meshRef.current.count = instanceIndex;
-
-		meshRef.current.instanceMatrix.needsUpdate = true;
-		if (meshRef.current.instanceColor)
-			meshRef.current.instanceColor.needsUpdate = true;
-	}, [
-		x,
-		y,
-		size,
-		count,
-		grassSize,
-		scale,
-		hillScale,
-		hillHeight,
-		detailScale,
-		detailHeight,
-		noise2D,
-		grassLOD
-	]);
-
-	const onBeforeCompile = useMemo(
-		() => (shader: Shader) => {
-			shader.uniforms.uTime = { value: 0 };
-
-			shader.vertexShader = `
-			uniform float uTime;
-			varying vec2 vGrassUv;
-			
-			float hash(vec2 p) {
-				return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453);
-			}
-			
-			float noise(vec2 p) {
-				vec2 i = floor(p);
-				vec2 f = fract(p);
-				f = f * f * (3.0 - 2.0 * f);
-				
-				float a = hash(i);
-				float b = hash(i + vec2(1.0, 0.0));
-				float c = hash(i + vec2(0.0, 1.0));
-				float d = hash(i + vec2(1.0, 1.0));
-				
-				return mix(mix(a, b, f.x), mix(c, d, f.x), f.y);
-			}
-			
-			float fbm(vec2 p) {
-				float value = 0.0;
-				float amplitude = 0.5;
-				float frequency = 1.0;
-				
-				for(int i = 0; i < 4; i++) {
-					value += amplitude * noise(p * frequency);
-					frequency *= 2.0;
-					amplitude *= 0.5;
-				}
-				
-				return value;
-			}
-			
-			${shader.vertexShader}
-		`;
-			shader.vertexShader = shader.vertexShader.replace(
-				'#include <begin_vertex>',
-				`
-			#include <begin_vertex>
-			vGrassUv = uv;
-			${grassVert}
-			`
-			);
-
-			shader.fragmentShader = `
-			uniform float uTime;
-			varying vec2 vGrassUv;
-			${shader.fragmentShader}
-		`;
-			shader.fragmentShader = shader.fragmentShader.replace(
-				'#include <color_fragment>',
-				`
-			#include <color_fragment>
-			${grassFrag}
-			`
-			);
-
-			if (materialRef.current) {
-				materialRef.current.userData.shader = shader;
-			}
-		},
-		[]
-	);
-
-	return (
-		<instancedMesh
-			ref={meshRef}
-			args={[undefined, undefined, count]}
-			position={[x * size, 0, y * size]}
-			geometry={geometry}
-		>
-			<meshStandardMaterial
-				ref={materialRef}
-				color='#ffffff'
-				side={DoubleSide}
-				alphaMap={alphaMap}
-				alphaTest={0.5}
-				normalMap={normalMap}
-				roughness={0.8}
-				metalness={0.1}
-				onBeforeCompile={onBeforeCompile}
-			/>
-		</instancedMesh>
-	);
-}
-
-interface TerrainChunkProps {
-	x: number;
-	y: number;
-	size: number;
-	resolution: number;
-	scale: number;
-	hillScale: number;
-	hillHeight: number;
-	detailScale: number;
-	detailHeight: number;
-	noise2D: (x: number, y: number) => number;
-	grassCount: number;
-	grassSize: number;
-	grassLOD: number;
-}
-function TerrainChunk({
-	x,
-	y,
-	size,
-	resolution,
-	scale,
-	hillScale,
-	hillHeight,
-	detailScale,
-	detailHeight,
-	noise2D,
-	grassCount,
-	grassSize,
-	grassLOD
-}: TerrainChunkProps) {
-	const chunkDist = Math.sqrt((x * size) ** 2 + (y * size) ** 2);
-	const shouldRenderGrass = chunkDist < grassLOD + size;
-
-	const meshRef = useRef<Mesh>(null);
-
-	const geometry = useMemo(() => {
-		const geo = new BufferGeometry();
-
-		const vertices: Array<number> = [];
-		const indices: Array<number> = [];
-
-		const step = size / (resolution - 1);
-		const halfSize = size / 2;
-		const worldXBase = x * size;
-		const worldZBase = y * size;
-
-		/*
-			vtx gen
-		*/
-		for (let iz = 0; iz < resolution; iz++) {
-			for (let ix = 0; ix < resolution; ix++) {
-				const localX = ix * step - halfSize;
-				const localZ = iz * step - halfSize;
-
-				const localY = getTerrainHeight(
-					localX,
-					localZ,
-					worldXBase,
-					worldZBase,
-					scale,
-					hillScale,
-					hillHeight,
-					detailScale,
-					detailHeight,
-					noise2D
-				);
-
-				vertices.push(localX, localY, localZ);
-			}
-		}
-
-		/*
-			idx gen
-		*/
-		for (let iz = 0; iz < resolution - 1; iz++) {
-			for (let ix = 0; ix < resolution - 1; ix++) {
-				const topLeft = iz * resolution + ix;
-				const topRight = topLeft + 1;
-				const bottomLeft = (iz + 1) * resolution + ix;
-				const bottomRight = bottomLeft + 1;
-
-				indices.push(topLeft, bottomLeft, topRight);
-				indices.push(topRight, bottomLeft, bottomRight);
-			}
-		}
-		geo.setAttribute(
-			'position',
-			new BufferAttribute(new Float32Array(vertices), 3)
-		);
-
-		const colors: Array<number> = [];
-		for (let iz = 0; iz < resolution; iz++) {
-			for (let ix = 0; ix < resolution; ix++) {
-				const localX = ix * step - halfSize;
-				const localZ = iz * step - halfSize;
-				const globalX = worldXBase + localX;
-				const globalZ = worldZBase + localZ;
-				const colorNoise = noise2D(globalX * 0.02, globalZ * 0.02);
-				const t = (colorNoise + 1) / 2;
-
-				const dryGreen = { r: 0.01, g: 0.01, b: 0.0 };
-				const lushGreen = { r: 0.0, g: 0.05, b: 0.0 };
-
-				const r = dryGreen.r + (lushGreen.r - dryGreen.r) * t;
-				const g = dryGreen.g + (lushGreen.g - dryGreen.g) * t;
-				const b = dryGreen.b + (lushGreen.b - dryGreen.b) * t;
-
-				colors.push(r, g, b);
-			}
-		}
-		geo.setAttribute('color', new BufferAttribute(new Float32Array(colors), 3));
-
-		geo.setIndex(indices);
-		geo.computeVertexNormals();
-
-		return geo;
-	}, [
-		x,
-		y,
-		size,
-		resolution,
-		scale,
-		hillScale,
-		hillHeight,
-		detailScale,
-		detailHeight,
-		noise2D
-	]);
-
-	return (
-		<group>
-			<mesh
-				ref={meshRef}
-				geometry={geometry}
-				position={[x * size, 0, y * size]}
-			>
-				<meshStandardMaterial vertexColors roughness={1.0} metalness={0.0} />
-			</mesh>
-			{shouldRenderGrass && (
-				<Grass
-					x={x}
-					y={y}
-					size={size}
-					count={grassCount}
-					grassSize={grassSize}
-					scale={scale}
-					hillScale={hillScale}
-					hillHeight={hillHeight}
-					detailScale={detailScale}
-					detailHeight={detailHeight}
-					noise2D={noise2D}
-					grassLOD={grassLOD}
-				/>
-			)}
-		</group>
-	);
-}
-
-interface TerrainProps {
-	chunks?: number;
-	chunkSize?: number;
-	resolution?: number;
-	scale?: number;
-	hillScale: number;
-	hillHeight: number;
-	detailScale: number;
-	detailHeight: number;
-	grassCount?: number;
-	grassSize?: number;
-	grassLOD?: number;
-}
-function Terrain({
-	chunks = 5,
-	chunkSize = 10,
-	resolution = 8,
-	scale = 1,
-	hillScale = 0.2,
-	hillHeight = 3,
-	detailScale = 3,
-	detailHeight = 0.1,
-	grassCount = 6000,
-	grassSize = 0.6,
-	grassLOD = 40
-}: TerrainProps) {
-	const noise2D = useMemo(() => createNoise2D(), []);
-	const offset = -Math.floor(chunks / 2);
-
-	const chunkPositions = useMemo(() => {
-		const positions: [number, number][] = [];
-		for (let x = 0; x < chunks; x++)
-			for (let y = 0; y < chunks; y++) positions.push([x + offset, y + offset]);
-
-		return positions;
-	}, [chunks, offset]);
-
-	return (
-		<group>
-			{chunkPositions.map(([x, y], index) => (
-				<TerrainChunk
-					key={`${x}-${y}-${index}`}
-					x={x}
-					y={y}
-					size={chunkSize}
-					resolution={resolution}
-					scale={scale}
-					hillScale={hillScale}
-					hillHeight={hillHeight}
-					detailScale={detailScale}
-					detailHeight={detailHeight}
-					noise2D={noise2D}
-					grassCount={grassCount}
-					grassSize={grassSize}
-					grassLOD={grassLOD}
-				/>
-			))}
-		</group>
-	);
-}
-
-const SealCube = forwardRef<Mesh>((props, ref) => {
-	const texture = useLoader(TextureLoader, '/img/niko.jpg');
-	const meshRef = useRef<Mesh>(null);
-
-	useImperativeHandle(ref, () => meshRef.current!, []);
-
-	useFrame((state, delta) => {
-		if (meshRef.current) {
-			meshRef.current.rotation.x += delta * 0.5;
-			meshRef.current.rotation.y += delta * 0.5;
-		}
-	});
-
-	return (
-		<mesh ref={meshRef} position={[0, 3, 0]} castShadow receiveShadow>
-			<boxGeometry args={[0.85, 0.85, 0.85]} />
-			<meshBasicMaterial map={texture} depthWrite={true} />
-		</mesh>
-	);
-});
-SealCube.displayName = 'SealCube';
-
-function Loader() {
-	const { progress, active } = useProgress();
-	const [visible, setVisible] = useState(true);
-
-	useLayoutEffect(() => {
-		if (!active && progress === 100) {
-			const timeout = setTimeout(() => setVisible(false), 500);
-			return () => clearTimeout(timeout);
-		}
-	}, [progress, active]);
-
-	return (
-		<div className={`loader ${!visible ? 'loader hidden' : ''}`}>
-			<picture>
-				<img alt='niko!!' src='/img/niko.jpg' className='niko-spin' />
-			</picture>
-		</div>
-	);
-}
-
-function LutEffect() {
-	const lutTexture = useLoader(LUTCubeLoader, '/lut/Landscape6.cube');
-	return <LUT lut={lutTexture.texture3D} />;
-}
-
-export default function SealHome() {
-	return (
-		<>
-			<Loader />
-			<Canvas
-				shadows
-				camera={{ position: [0, 5, 15], fov: 50, far: 100 }}
-				gl={{ antialias: true }}
-				className='canvas'
-			>
-				<EffectComposer>
-					<DepthOfField target={[0, 3, 0]} focalLength={10} bokehScale={5} />
-					<Vignette />
-					<Noise opacity={0.05} />
-					<Bloom
-						intensity={2}
-						luminanceThreshold={0.5}
-						luminanceSmoothing={0.1}
-					/>
-					<SMAA />
-					<HueSaturation saturation={0.1} />
-					<BrightnessContrast brightness={0.05} contrast={-0.1} />
-					<LutEffect />
-				</EffectComposer>
-
-				<Environment
-					files={'hdr/sky.hdr'}
-					environmentIntensity={1}
-					background
-				/>
-				<fogExp2 attach='fog' args={[0x9a9a9a, 0.01]} />
-
-				<Terrain
-					chunks={16}
-					chunkSize={10.0}
-					resolution={8.0}
-					scale={1}
-					hillScale={0.1}
-					hillHeight={6.0}
-					detailScale={1.0}
-					detailHeight={0.2}
-					grassCount={6000}
-					grassSize={0.6}
-					grassLOD={60}
-				/>
-				<SealCube />
-
-				<OrbitControls
-					target={[0, 3, 0]}
-					enablePan={false}
-					makeDefault
-					minDistance={2}
-					maxDistance={10}
-				/>
-			</Canvas>
-		</>
-	);
-}

src/app/pages/shaders/grass.frag

@@ -1,13 +0,0 @@
-float ao = smoothstep(0.0, 0.4, vGrassUv.y);
-ao = mix(0.2, 1.0, ao); // Roots are 20% brightness
-
-vec3 rootColor = diffuseColor.rgb * 0.4;
-vec3 tipColor = diffuseColor.rgb * 1.3 + vec3(0.1, 0.1, 0.0);
-
-vec3 grassColor = mix(rootColor, tipColor, vGrassUv.y);
-grassColor *= ao;
-
-float translucency = pow(vGrassUv.y, 2.0) * 0.5;
-grassColor += vec3(0.1, 0.2, 0.0) * translucency;
-
-diffuseColor.rgb = grassColor;