Astra!ny-start

1 files changed, 0 insertions, 308 deletions

diff --git a/src/i18n.ts b/src/i18n.ts
deleted file mode 100644
index 2fd3dca..0000000
--- a/src/i18n.ts
+++ /dev/null
@@ -1,308 +0,0 @@
-export type Language = 'en' | 'da';
-
-export const languageOptions: { id: Language; label: string }[] = [
-  { id: 'en', label: 'English' },
-  { id: 'da', label: 'Dansk' },
-];
-
-export interface Chrome {
-  subtitle: string;
-  title: string;
-  documentTitle: string;
-  metaDescription: string;
-  home: string;
-  collection: string;
-  language: string;
-  test: string;
-  experiments: string;
-  overview: string;
-  overviewTitle: string;
-  overviewText: string;
-  score: string;
-  subjects: string;
-  lessons: string;
-  reset: string;
-  original: string;
-  parameters: string;
-  measurements: string;
-  camera: string;
-  pause: string;
-  resume: string;
-  hint: string;
-  notice: string;
-  connect: string;
-  physics: string;
-  learn: string;
-  try: string;
-  scales: string;
-  build: string;
-  reasoning: string;
-  originalAnswers: string;
-  predict: string;
-  reveal: string;
-  hide: string;
-  navigation: string;
-  previous: string;
-  next: string;
-  view: string;
-  viewport: string;
-  study: string;
-  canvas: string;
-  webglStart: string;
-  webglLost: string;
-  experimentKicker: (index: number, total: number) => string;
-  questionKicker: (section: string, question: number, points: number) => string;
-}
-
-const pad = (value: number) => String(value).padStart(2, '0');
-
-const chrome: Record<Language, Chrome> = {
-  en: {
-    subtitle: 'Explore the invisible. Understand the physical.',
-    title: 'Electrotechnique & Electrophysics',
-    documentTitle: 'Test 4 in 3D · Electrophysics Lab',
-    metaDescription: 'Learn electric work, potential energy and dipole rotation through six interactive 3D lessons from Test 4.',
-    home: 'Field Lab home',
-    collection: 'Learning collection',
-    language: 'Language',
-    test: 'Test 4 in 3D',
-    experiments: 'All experiments',
-    overview: 'FROM EQUATIONS TO INTUITION',
-    overviewTitle: 'Electric energy, made visible.',
-    overviewText: 'Explore the six questions from Test 4. Change the scene, make a prediction, then follow the derivation.',
-    score: '6 questions · 3D study guide',
-    subjects: 'Electrophysics subjects',
-    lessons: 'Lessons',
-    reset: 'Reset experiment',
-    original: 'Original test question',
-    parameters: 'Experiment parameters',
-    measurements: 'Live measurements',
-    camera: 'Reset camera',
-    pause: 'Pause animation',
-    resume: 'Resume animation',
-    hint: 'Drag to orbit · Scroll to zoom · Right-drag to pan · Arrow keys to pan when focused',
-    notice: 'NOTICE WHAT CHANGES',
-    connect: 'Connect the scene to the answer',
-    physics: 'THE PHYSICS',
-    learn: 'Learn the physics',
-    try: 'TRY THIS',
-    scales: 'Model & visual scales',
-    build: 'BUILD YOUR ANSWER',
-    reasoning: 'Follow the reasoning',
-    originalAnswers: 'Original answers ↗',
-    predict: 'PAUSE & PREDICT',
-    reveal: 'Reveal explanation',
-    hide: 'Hide explanation',
-    navigation: 'Question navigation',
-    previous: '← Previous question',
-    next: 'Next question →',
-    view: '3D VIEW',
-    viewport: '3D workbench',
-    study: 'Test answers and prediction',
-    canvas: '3D experiment: drag to orbit, scroll to zoom, right-drag to pan',
-    webglStart: 'WebGL could not start. Enable browser hardware acceleration and reload to see the 3D scenes. Lessons, controls and measurements still work.',
-    webglLost: 'WebGL context lost. Reload to restore the 3D view. Numeric experiments still work.',
-    experimentKicker: (index, total) => `EXPERIMENT ${pad(index)} / ${pad(total)}`,
-    questionKicker: (section, question, points) => `TEST ${section} · QUESTION ${question} · ${points} POINTS`,
-  },
-  da: {
-    subtitle: 'Udforsk det usynlige. Forstå fysikken.',
-    title: 'Elektroteknik og elektrofysik',
-    documentTitle: 'Test 4 i 3D · Elektrofysiklaboratoriet',
-    metaDescription: 'Lær elektrisk arbejde, potentiel energi og dipolrotation gennem seks interaktive 3D-lektioner fra Test 4.',
-    home: 'Feltlaboratoriets forside',
-    collection: 'Læringssamling',
-    language: 'Sprog',
-    test: 'Test 4 i 3D',
-    experiments: 'Alle eksperimenter',
-    overview: 'FRA LIGNINGER TIL INTUITION',
-    overviewTitle: 'Elektrisk energi gjort synlig.',
-    overviewText: 'Udforsk de seks spørgsmål fra Test 4. Ændr scenen, forudsig resultatet, og følg derefter udledningen.',
-    score: '6 spørgsmål · 3D-studievejledning',
-    subjects: 'Elektrofysikkens emner',
-    lessons: 'Lektioner',
-    reset: 'Nulstil eksperiment',
-    original: 'Oprindeligt eksamensspørgsmål',
-    parameters: 'Eksperimentparametre',
-    measurements: 'Målinger i realtid',
-    camera: 'Nulstil kamera',
-    pause: 'Sæt animation på pause',
-    resume: 'Genoptag animation',
-    hint: 'Træk for at dreje · Rul for at zoome · Højreklik og træk for at panorere · Piletaster panorerer, når feltet er valgt',
-    notice: 'BEMÆRK, HVAD DER ÆNDRER SIG',
-    connect: 'Forbind scenen med svaret',
-    physics: 'FYSIKKEN',
-    learn: 'Lær fysikken',
-    try: 'PRØV DETTE',
-    scales: 'Model- og visuelle skalaer',
-    build: 'BYG DIT SVAR',
-    reasoning: 'Følg ræsonnementet',
-    originalAnswers: 'Oprindelige svar ↗',
-    predict: 'PAUSE OG FORUDSIG',
-    reveal: 'Vis forklaring',
-    hide: 'Skjul forklaring',
-    navigation: 'Spørgsmålsnavigation',
-    previous: '← Forrige spørgsmål',
-    next: 'Næste spørgsmål →',
-    view: '3D-VISNING',
-    viewport: '3D-arbejdsbord',
-    study: 'Prøvesvar og forudsigelse',
-    canvas: '3D-eksperiment: træk for at dreje, rul for at zoome, højreklik og træk for at panorere',
-    webglStart: 'WebGL kunne ikke starte. Slå browserens hardwareacceleration til, og genindlæs for at se 3D-scenerne. Lektioner, betjening og målinger virker stadig.',
-    webglLost: 'WebGL-konteksten gik tabt. Genindlæs for at gendanne 3D-visningen. De numeriske eksperimenter virker stadig.',
-    experimentKicker: (index, total) => `EKSPERIMENT ${pad(index)} / ${pad(total)}`,
-    questionKicker: (section, question, points) => `TEST ${section} · SPØRGSMÅL ${question} · ${points} POINT`,
-  },
-};
-
-const scenePhrases = {
-  en: {
-    origin: 'Origin',
-    onRightCharge: 'on right charge',
-    gaussian: 'Gaussian surface',
-    probe: 'Probe',
-    isolated: 'isolated',
-    connected: 'supply connected',
-    noCurrent: 'No net current',
-    conventional: 'Conventional current',
-    drift: String.raw`Electron drift · displayed $\times600$`,
-    conduction: 'Conduction band',
-    valence: 'Valence band',
-    midgap: 'midgap',
-    gap: 'gap',
-    energyConstant: 'Energy changes form · total stays constant',
-  },
-  da: {
-    origin: 'Origo',
-    onRightCharge: 'på højre ladning',
-    gaussian: 'Gaussisk flade',
-    probe: 'Sonde',
-    isolated: 'isoleret',
-    connected: 'forsyning tilsluttet',
-    noCurrent: 'Ingen nettostrøm',
-    conventional: 'Konventionel strøm',
-    drift: String.raw`Elektrondrift · vist $\times600$`,
-    conduction: 'Ledningsbånd',
-    valence: 'Valensbånd',
-    midgap: 'båndmidte',
-    gap: 'gab',
-    energyConstant: 'Energien skifter form · summen er konstant',
-  },
-} as const;
-
-export type SceneKey = keyof typeof scenePhrases.en;
-
-const words: Record<Language, Record<string, string>> = {
-  en: {},
-  da: {
-    Repulsive: 'Frastødende',
-    Attractive: 'Tiltrækkende',
-    'On surface': 'På overfladen',
-    Inside: 'Inden for',
-    Outside: 'Uden for',
-    Undefined: 'Udefineret',
-    pairs: 'par',
-  },
-};
-
-const measurementLabels: Record<Language, Record<string, string>> = {
-  en: {},
-  da: {
-    '|E| at origin': '|E| i origo',
-    '|Force on right charge|': '|Kraft på højre ladning|',
-    Interaction: 'Vekselvirkning',
-    'Net electric flux': 'Netto elektrisk flux',
-    'Enclosed charge': 'Indesluttet ladning',
-    'Source location': 'Kildens placering',
-    'Interaction energy': 'Vekselvirkningsenergi',
-    'Work by field, from 6 m': 'Feltets arbejde fra 6 m',
-    '|Force on moving charge|': '|Kraft på den bevægelige ladning|',
-    'Potential at probe': 'Potential ved sonden',
-    'Ex at probe': 'Ex ved sonden',
-    '|E| at probe': '|E| ved sonden',
-    Capacitance: 'Kapacitans',
-    'Stored free charge |Q|': 'Lagret fri ladning |Q|',
-    'Electric field': 'Elektrisk felt',
-    'Stored energy': 'Lagret energi',
-    'Plate voltage': 'Pladespænding',
-    'Free charge |Q|': 'Fri ladning |Q|',
-    'Net field': 'Nettofelt',
-    'Polarization |P|': 'Polarisering |P|',
-    Resistance: 'Resistans',
-    'Conventional current': 'Konventionel strøm',
-    'Electron drift, x': 'Elektrondrift, x',
-    'Dissipated power': 'Afgivet effekt',
-    'Electron density n': 'Elektrontæthed n',
-    'Hole density p': 'Hulletæthed p',
-    'Conductivity σ': 'Ledningsevne σ',
-    'Fermi shift EF − Ei': 'Forskydning af Fermi EF − Ei',
-    'Field work a → b': 'Feltets arbejde a → b',
-    'Work to current position': 'Arbejde til nuværende position',
-    'Potential energy Uᵦ': 'Potentiel energi Uᵦ',
-    'Potential energy U': 'Potentiel energi U',
-    'Kinetic energy K': 'Kinetisk energi K',
-    'Total K + U': 'Samlet K + U',
-    'Particle speed': 'Partikelhastighed',
-    'Potential energy Uₐ': 'Potentiel energi Uₐ',
-    'Energy of current assembly': 'Energi af den aktuelle samling',
-    'Three-charge energy U₁₂₃': 'Tre ladningers energi U₁₂₃',
-    'Additional energy ΔU₀': 'Ekstra energi ΔU₀',
-    'Pairs currently assembled': 'Par samlet nu',
-    'Projection Δx': 'Projektion Δx',
-    'Current angle θ': 'Aktuel vinkel θ',
-    'Torque τz': 'Kraftmoment τz',
-    'Work to current angle': 'Arbejde til aktuel vinkel',
-  },
-};
-
-function storedLanguage(): Language {
-  try {
-    const stored = globalThis.localStorage?.getItem('language');
-    if (stored === 'da' || stored === 'en') return stored;
-  } catch {
-    // Storage can be unavailable in private or non-browser contexts.
-  }
-  return 'en';
-}
-
-let language: Language = storedLanguage();
-const listeners = new Set<() => void>();
-
-export function getLanguage(): Language {
-  return language;
-}
-
-export function setLanguage(next: Language) {
-  language = next;
-  try {
-    localStorage.setItem('language', next);
-  } catch {
-    // Ignore storage failures; the in-memory choice still applies.
-  }
-  if (typeof document !== 'undefined') document.documentElement.lang = next;
-  for (const listener of listeners) listener();
-}
-
-export function onLanguageChange(listener: () => void) {
-  listeners.add(listener);
-  return () => listeners.delete(listener);
-}
-
-export function t<K extends keyof Chrome>(key: K): Chrome[K] {
-  return chrome[language][key];
-}
-
-export function scene(key: SceneKey): string {
-  return scenePhrases[language][key];
-}
-
-export function word(english: string): string {
-  return words[language][english] ?? english;
-}
-
-export function measurementLabel(english: string): string {
-  return measurementLabels[language][english] ?? english;
-}
-
-export const daMeasurementLabels = measurementLabels.da;
-export const daWords = words.da;