worldbench / eval /capture /hook.js
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Claude Opus 5.5
Add evaluation logic and judge configuration
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// Injected before any page script runs (chrome-devtools-mcp initScript).
//
// 1. Seeded Math.random: an unseeded world builds a different island on every
// reload, so views captured across reloads would not show the same world.
// 2. window.__wb: Three.js announces every Scene and WebGLRenderer it creates
// to window.__THREE_DEVTOOLS__ (the devtools-extension hook). Listening
// there gives us scene/renderer/camera without editing the model's code.
// 3. window.__WB_TIME: ?wb_tod=<0..1>&wb_season=<0..3> from the URL. The
// daytime preview (preview.py) patches the world's own clock to read this.
(() => {
let s = 1337 >>> 0;
Math.random = () => {
s = (s + 0x6d2b79f5) >>> 0;
let t = s;
t = Math.imul(t ^ (t >>> 15), t | 1);
t ^= t + Math.imul(t ^ (t >>> 7), t | 61);
return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
};
const q = new URLSearchParams(location.search);
const num = (k) => (q.has(k) ? Number(q.get(k)) : null);
const tod = num('wb_tod');
const season = num('wb_season');
if (tod !== null || season !== null) window.__WB_TIME = { tod, season };
const wb = (window.__wb = { scenes: [], renderers: [], camera: null, scene: null });
const hub = new EventTarget();
hub.addEventListener('observe', (e) => {
const o = e.detail;
if (o && o.isScene) wb.scenes.push(o);
if (o && typeof o.render === 'function' && o.domElement) {
wb.renderers.push(o);
const render = o.render.bind(o);
o.render = (scene, camera) => {
wb.camera = camera;
wb.scene = scene;
return render(scene, camera);
};
}
});
window.__THREE_DEVTOOLS__ = hub;
})();