curl -L -o public/assets/models/Soldier.glb "https://raw.githubusercontent.com/mrdoob/three.js/dev/examples/models/gltf/Soldier.glb"

// Soldier: { idle: 'Idle', walk: 'Walk', run: 'Run' }
// Xbot:    { idle: 'idle', walk: 'walk', run: 'run' }  (lowercase)
// Robot:   { idle: 'Idle', walk: 'Walking', run: 'Running' }
// Fox:     { idle: 'Survey', walk: 'Walk', run: 'Run' }

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After download, log clip names to build the `clipMap`. If it has idle+walk, it's ready.

**Tier 3 — Search by archetype**: If no character-specific model exists, search by what the character looks like:
```bash

**Tier 4 — Generic library fallback**: Use the best thematic match from `3d-character-library/`:
- **Soldier** — action/military/generic human (default)
- **Xbot** — sci-fi/tech/futuristic
- **RobotExpressive** — cartoon/casual (most animations, 13 clips)
- **Fox** — nature/animal

**Multi-character games**: When 2+ characters use the same base model, assign different library models to each (e.g., Soldier for Trump, Xbot for Biden) so players can tell them apart. Note material recoloring opportunities in `MODEL_CONFIG`.

node scripts/find-3d-asset.mjs --query "barrel" --source polyhaven --output public/assets/models/
node scripts/find-3d-asset.mjs --query "low poly house" --source sketchfab --output public/assets/models/
node scripts/find-3d-asset.mjs --query "coin" --list-only

import * as THREE from 'three';
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
import * as SkeletonUtils from 'three/addons/utils/SkeletonUtils.js';

const loader = new GLTFLoader();
const cache = new Map();

/** Load a static (non-animated) model. Uses regular clone. */
export async function loadModel(path) {
  const gltf = await _load(path);
  const clone = gltf.scene.clone(true);
  clone.traverse((c) => {
    if (c.isMesh) { c.castShadow = true; c.receiveShadow = true; }
  });
  return clone;
}

/** Load an animated (skeletal) model. Uses SkeletonUtils.clone to preserve bone bindings. */
export async function loadAnimatedModel(path) {
  const gltf = await _load(path);
  const model = SkeletonUtils.clone(gltf.scene);
  model.traverse((c) => {
    if (c.isMesh) { c.castShadow = true; c.receiveShadow = true; }
  });
  return { model, clips: gltf.animations };
}

export function disposeAll() {
  cache.forEach((p) => p.then((gltf) => {
    gltf.scene.traverse((c) => {
      if (c.isMesh) {
        c.geometry.dispose();
        if (Array.isArray(c.material)) c.material.forEach(m => m.dispose());
        else c.material.dispose();
      }
    });
  }));
  cache.clear();
}

function _load(path) {
  if (!cache.has(path)) {
    cache.set(path, new Promise((resolve, reject) => {
      loader.load(path, resolve, undefined,
        (err) => reject(new Error(`Failed to load: ${path} — ${err.message || err}`)));
    }));
  }
  return cache.get(path);
}

import { OrbitControls } from 'three/addons/controls/OrbitControls.js';

// Setup
const orbitControls = new OrbitControls(camera, renderer.domElement);
orbitControls.enablePan = false;
orbitControls.enableDamping = true;
orbitControls.maxPolarAngle = Math.PI / 2 - 0.05; // don't go underground
orbitControls.target.set(0, 1, 0);

// Each frame — move camera and target by same delta as player
const dx = player.position.x - oldX;
const dz = player.position.z - oldZ;
orbitControls.target.x += dx;
orbitControls.target.z += dz;
orbitControls.target.y = player.position.y + 1;
camera.position.x += dx;
camera.position.z += dz;
orbitControls.update();

const _v = new THREE.Vector3();
const _q = new THREE.Quaternion();
const _up = new THREE.Vector3(0, 1, 0);

// Get camera azimuth from OrbitControls
const azimuth = orbitControls.getAzimuthalAngle();

// Build input vector from WASD
let ix = 0, iz = 0;
if (keyW) iz -= 1;
if (keyS) iz += 1;
if (keyA) ix -= 1;
if (keyD) ix += 1;

// Rotate input by camera azimuth → world space movement
_v.set(ix, 0, iz).normalize();
_v.applyAxisAngle(_up, azimuth);

// Move player
player.position.addScaledVector(_v, speed * delta);

// Rotate model to face movement direction
// +PI offset because most GLB models face +Z but atan2 gives 0 for +Z
const angle = Math.atan2(_v.x, _v.z) + Math.PI;
_q.setFromAxisAngle(_up, angle);
model.quaternion.rotateTowards(_q, turnSpeed * delta);

fadeToAction(name, duration = 0.3) {
  const next = actions[name];
  if (!next || next === activeAction) return;
  if (activeAction) activeAction.fadeOut(duration);
  next.reset().setEffectiveTimeScale(1).setEffectiveWeight(1).fadeIn(duration).play();
  activeAction = next;
}

// In update loop:
if (isMoving) {
  fadeToAction(shiftHeld ? 'run' : 'walk');
} else {
  fadeToAction('idle');
}
if (mixer) mixer.update(delta);

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