87 lines
2.3 KiB
JavaScript
87 lines
2.3 KiB
JavaScript
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import * as THREE from 'three';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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/**
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* Loads GLB objects from a config list into the scene and returns a registry
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* keyed by name. Positions are returned live via getPosition() so the AI
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* always sees the current world location even if the object is moved later.
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*/
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const loader = new GLTFLoader();
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async function loadOne(entry) {
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const gltf = await loader.loadAsync(entry.url);
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const object3d = gltf.scene;
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const [px, py, pz] = entry.position ?? [0, 0, 0];
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const [rx, ry, rz] = entry.rotation ?? [0, 0, 0];
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const scale = entry.scale ?? [1, 1, 1];
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const [sx, sy, sz] = Array.isArray(scale) ? scale : [scale, scale, scale];
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object3d.position.set(px, py, pz);
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object3d.rotation.set(rx, ry, rz);
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object3d.scale.set(sx, sy, sz);
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object3d.name = entry.name;
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object3d.traverse((child) => {
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if (child.isMesh) {
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child.castShadow = true;
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child.receiveShadow = true;
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}
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});
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return object3d;
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}
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export async function loadSceneObjects(scene, config) {
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const registry = new Map();
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for (const entry of config) {
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try {
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const object3d = await loadOne(entry);
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scene.add(object3d);
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registry.set(entry.name, {
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name: entry.name,
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url: entry.url,
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object3d,
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getPosition() {
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const v = new THREE.Vector3();
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object3d.getWorldPosition(v);
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return { x: v.x, y: v.y, z: v.z };
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},
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getRotation() {
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return {
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x: object3d.rotation.x,
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y: object3d.rotation.y,
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z: object3d.rotation.z,
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};
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},
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getScale() {
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return {
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x: object3d.scale.x,
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y: object3d.scale.y,
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z: object3d.scale.z,
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};
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},
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});
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const p = registry.get(entry.name).getPosition();
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console.log(`📦 Loaded "${entry.name}" at (${p.x.toFixed(2)}, ${p.y.toFixed(2)}, ${p.z.toFixed(2)})`);
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} catch (err) {
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console.error(`Failed to load scene object "${entry.name}" from ${entry.url}:`, err);
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}
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}
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return registry;
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}
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/** Convenience: dump all object positions as plain JSON (for AI context). */
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export function describeObjects(registry) {
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const out = {};
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for (const [name, obj] of registry) {
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out[name] = { position: obj.getPosition() };
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}
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return out;
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}
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