mirror of
https://github.com/bilawalsidhu/gods-eye-view.git
synced 2026-11-14 23:32:20 +00:00
Sameh Khamis
f6760ad96c
121 GLBs under public/models/fleet (about 2 MB, MIT like the code) with catalog.json and types.json. src/data/fleetModels.js picks a model by ICAO type, aircraft class, emitter category, AIS ship type and size, GTFS route type, transit mode or rail category, and sizes it life size; the set loads once, up front. Trail anchors are measured from the meshes.
54 lines
2.0 KiB
JavaScript
54 lines
2.0 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Re-measure the trail attachment point of every aircraft-layer fleet model
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* and print `src/data/fleetTrailAnchors.js`.
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*
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* node scripts/measure-fleet-trail-anchors.mjs > src/data/fleetTrailAnchors.js
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*
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* Run it whenever a model under `public/models/fleet/` changes; the unit
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* suite (`src/data/fleetModels.test.mjs`) re-derives each value and fails
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* on a table that no longer matches its GLB.
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*/
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import fs from 'node:fs';
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import path from 'node:path';
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import { projectRoot } from './project-root.mjs';
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import {
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fleetMesh,
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measuredTrailAnchor,
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} from '../src/testSupport/fleetGlb.mjs';
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/** Catalog categories the aircraft layers draw (ADS-B ground vehicles and balloons included). */
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export const TRAIL_ANCHOR_CATEGORIES = ['aircraft', 'helicopters', 'other'];
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const root = projectRoot(import.meta.url);
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const dir = path.join(root, 'public', 'models', 'fleet');
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const catalog = JSON.parse(
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fs.readFileSync(path.join(dir, 'catalog.json'), 'utf8'),
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);
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const rows = [];
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for (const [name, model] of Object.entries(catalog)) {
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if (!TRAIL_ANCHOR_CATEGORIES.includes(model.category)) continue;
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const anchor = measuredTrailAnchor(
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await fleetMesh(path.join(dir, model.file)),
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);
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if (!anchor) continue;
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const [x, y] = anchor.map((value) => Number(value.toFixed(4)) || 0);
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rows.push(
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` ${/^[a-z_]\w*$/.test(name) ? name : `'${name}'`}: Object.freeze([${x}, ${y}, 0]),`,
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);
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}
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process.stdout.write(`/**
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* Aft-belly trail attachment points of the fleet models the aircraft layers
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* draw, in raw glTF axes (X along the body, nose toward -X; Y up), metres
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* before scale, node transforms applied. Each is the point of the model's
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* centreline profile (its z = 0 slice) nearest its aft-belly bounding-box
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* corner: on the hull, aft, and on the centreline (see modelVisualAnchor.js).
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*
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* Written by scripts/measure-fleet-trail-anchors.mjs; re-measured against the
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* GLBs by fleetModels.test.mjs.
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*/
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export const FLEET_TRAIL_ANCHORS = Object.freeze({
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${rows.join('\n')}
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});
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`);
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