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+node_modules/
+dist/
+.env
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+<!doctype html>
+<html lang="en">
+<head>
+<meta charset="utf-8" />
+<title>3D pipeline POC — procedural low-poly + free CC0 asset + tween animation</title>
+<style>
+  html, body { margin: 0; height: 100%; background: #0d1117; overflow: hidden; font-family: system-ui, sans-serif; }
+  #info { position: fixed; top: 10px; left: 12px; color: #c9d1d9; font-size: 13px; line-height: 1.5; z-index: 10; max-width: 480px; text-shadow: 0 1px 3px #000; }
+  #info b { color: #58a6ff; }
+  canvas { display: block; }
+</style>
+</head>
+<body>
+<div id="info">
+  <b>3D pipeline POC</b><br/>
+  Left: procedurally generated rock (Three.js BufferGeometry + noise displacement, zero assets).<br/>
+  Right: simple rig built from primitives, animated with tweened rotations (no skeletal export needed).<br/>
+  Ground plane: free CC0 texture would slot in here (Kenney/Poly Haven) — using a generated checker for this test.<br/>
+  Drag to orbit, scroll to zoom.
+</div>
+<script type="importmap">
+{
+  "imports": {
+    "three": "https://unpkg.com/three@0.165.0/build/three.module.js",
+    "three/addons/": "https://unpkg.com/three@0.165.0/examples/jsm/"
+  }
+}
+</script>
+<script type="module">
+import * as THREE from 'three';
+import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
+
+const scene = new THREE.Scene();
+scene.background = new THREE.Color(0x0d1117);
+scene.fog = new THREE.Fog(0x0d1117, 10, 40);
+
+const camera = new THREE.PerspectiveCamera(50, innerWidth / innerHeight, 0.1, 100);
+camera.position.set(6, 5, 9);
+
+const renderer = new THREE.WebGLRenderer({ antialias: true });
+renderer.setSize(innerWidth, innerHeight);
+renderer.setPixelRatio(Math.min(devicePixelRatio, 2));
+renderer.shadowMap.enabled = true;
+document.body.appendChild(renderer.domElement);
+
+const controls = new OrbitControls(camera, renderer.domElement);
+controls.target.set(0, 1, 0);
+controls.enableDamping = true;
+
+scene.add(new THREE.HemisphereLight(0x88aaff, 0x223311, 0.6));
+const sun = new THREE.DirectionalLight(0xffffff, 1.6);
+sun.position.set(5, 10, 4);
+sun.castShadow = true;
+sun.shadow.mapSize.set(1024, 1024);
+scene.add(sun);
+
+// ---- Ground: generated checker (stand-in for a CC0 texture from Kenney/Poly Haven) ----
+const size = 64, data = new Uint8Array(size * size * 4);
+for (let y = 0; y < size; y++) for (let x = 0; x < size; x++) {
+  const i = (y * size + x) * 4;
+  const c = ((x >> 3) + (y >> 3)) % 2 ? 40 : 55;
+  data[i] = data[i+1] = c; data[i+2] = c + 10; data[i+3] = 255;
+}
+const checkerTex = new THREE.DataTexture(data, size, size);
+checkerTex.wrapS = checkerTex.wrapT = THREE.RepeatWrapping;
+checkerTex.repeat.set(6, 6);
+checkerTex.needsUpdate = true;
+
+const ground = new THREE.Mesh(
+  new THREE.PlaneGeometry(30, 30),
+  new THREE.MeshStandardMaterial({ map: checkerTex, roughness: 0.9 })
+);
+ground.rotation.x = -Math.PI / 2;
+ground.receiveShadow = true;
+scene.add(ground);
+
+// ---- Procedural low-poly rock: icosahedron + per-vertex noise displacement ----
+function hash(x, y, z) {
+  let s = Math.sin(x * 127.1 + y * 311.7 + z * 74.7) * 43758.5453;
+  return s - Math.floor(s);
+}
+function makeRock(radius, detail, roughnessAmt, seed) {
+  const geo = new THREE.IcosahedronGeometry(radius, detail);
+  const pos = geo.attributes.position;
+  const v = new THREE.Vector3();
+  for (let i = 0; i < pos.count; i++) {
+    v.fromBufferAttribute(pos, i);
+    const n = hash(v.x * 2 + seed, v.y * 2 + seed, v.z * 2 + seed);
+    const disp = 1 + (n - 0.5) * roughnessAmt;
+    v.multiplyScalar(disp);
+    pos.setXYZ(i, v.x, v.y * 0.8, v.z);
+  }
+  geo.computeVertexNormals();
+  return geo;
+}
+const rock = new THREE.Mesh(
+  makeRock(1.6, 1, 0.55, 3.1),
+  new THREE.MeshStandardMaterial({ color: 0x6b6458, flatShading: true, roughness: 1 })
+);
+rock.position.set(-3.5, 1.1, 0);
+rock.castShadow = rock.receiveShadow = true;
+scene.add(rock);
+
+// scatter a few smaller rocks generated from the same function, different seeds — shows reusability
+for (let i = 0; i < 5; i++) {
+  const s = 0.2 + Math.random() * 0.35;
+  const r = new THREE.Mesh(
+    makeRock(s, 0, 0.6, i * 5.7 + 1),
+    new THREE.MeshStandardMaterial({ color: 0x5a5348, flatShading: true, roughness: 1 })
+  );
+  const a = Math.random() * Math.PI * 2, d = 3 + Math.random() * 2;
+  r.position.set(-3.5 + Math.cos(a) * d, s * 0.6, Math.sin(a) * d);
+  r.castShadow = r.receiveShadow = true;
+  scene.add(r);
+}
+
+// ---- Simple primitive-rig creature: no skeleton, just a hierarchy of meshes + tweened local rotations ----
+const rig = new THREE.Group();
+rig.position.set(3.2, 0, 0);
+scene.add(rig);
+
+const mat = new THREE.MeshStandardMaterial({ color: 0xd97757, flatShading: true });
+const jointMat = new THREE.MeshStandardMaterial({ color: 0x8a4a33, flatShading: true });
+
+function box(w, h, d, m = mat) {
+  const mesh = new THREE.Mesh(new THREE.BoxGeometry(w, h, d), m);
+  mesh.castShadow = true;
+  return mesh;
+}
+
+const torso = box(0.7, 0.9, 0.45);
+torso.position.y = 1.35;
+rig.add(torso);
+
+const head = box(0.45, 0.45, 0.45);
+head.position.y = 1.0;
+torso.add(head);
+
+function makeLimb(side, isLeg) {
+  const hip = new THREE.Group();
+  hip.position.set(side * 0.3, isLeg ? -0.45 : 0.4, 0);
+  const upper = box(0.2, isLeg ? 0.55 : 0.5, 0.2, jointMat);
+  upper.position.y = isLeg ? -0.27 : -0.25;
+  hip.add(upper);
+  const knee = new THREE.Group();
+  knee.position.y = isLeg ? -0.55 : -0.5;
+  upper.add(knee);
+  const lower = box(0.17, isLeg ? 0.5 : 0.45, 0.17, mat);
+  lower.position.y = isLeg ? -0.25 : -0.22;
+  knee.add(lower);
+  torso.add(hip);
+  return { hip, knee };
+}
+const legL = makeLimb(-1, true);
+const legR = makeLimb(1, true);
+const armL = makeLimb(-1, false);
+const armR = makeLimb(1, false);
+
+// tweened walk cycle — pure JS, no animation clips/skeleton needed for this fidelity level
+const clock = new THREE.Clock();
+function animate() {
+  const t = clock.getElapsedTime();
+  const walk = Math.sin(t * 3);
+  legL.hip.rotation.x = walk * 0.6;
+  legR.hip.rotation.x = -walk * 0.6;
+  legL.knee.rotation.x = Math.max(0, -walk) * 0.8;
+  legR.knee.rotation.x = Math.max(0, walk) * 0.8;
+  armL.hip.rotation.x = -walk * 0.5;
+  armR.hip.rotation.x = walk * 0.5;
+  torso.position.y = 1.35 + Math.abs(Math.sin(t * 6)) * 0.03;
+  rig.rotation.y = t * 0.4;
+
+  rock.rotation.y = t * 0.05;
+
+  controls.update();
+  renderer.render(scene, camera);
+  requestAnimationFrame(animate);
+}
+animate();
+
+addEventListener('resize', () => {
+  camera.aspect = innerWidth / innerHeight;
+  camera.updateProjectionMatrix();
+  renderer.setSize(innerWidth, innerHeight);
+});
+</script>
+</body>
+</html>