Maxim Dolgolyov
33a91900a8
Полная инфраструктура курса «Физика 8» (Исаченкова, 2018): - physics_8_hub.html: палитра violet/indigo, 3 главы + ЛР + финал курса с 10 интегрированными боссами и ачивкой «Магистр физики 8» (+150 XP) - physics_8_ch1.html (Тепловые, §§1–11): красный акцент - physics_8_ch2.html (Электромагнитные, §§12–31): янтарный акцент - physics_8_ch3.html (Световые, §§32–40): голубой акцент - physics_8_lab.html (7 ЛР): зелёный акцент - Расширение phys.js: tempColor, thermometer, calorimeter, createHeatBar, phaseGraphTT, Rseries, Rparallel - Новый модуль optics.js: ray, refractRay, reflectRay, mirrorPlane, mirrorSpherical, thinLens, buildLensImage, goldenRays, eyeDiagram, lightObject, shadowTriangle - Миграция 037: replace legacy children (thermal/electro/optics) на physics-8-ch1/ch2/ch3 + physics-8-lab; обновлён hub до 47 пунктов BUILDERS всех § рендерят stub с указанием Phase/Wave из PLAN_PHYSICS_8.md. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
655 lines
51 KiB
HTML
655 lines
51 KiB
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<div>
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<h1>Физика 8 · Глава 3</h1>
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<div class="hdr-sub">Свет · отражение · преломление · линзы · глаз</div>
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<div class="hdr-side">
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<a href="/textbook/physics-8" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> К физике 8</a>
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<h2>Световые явления — геометрическая оптика</h2>
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<p>Свет распространяется прямолинейно со скоростью $c = 3 \cdot 10^8$ м/с. Закон отражения и закон преломления (Снеллиуса) объясняют поведение пучков света. Линзы строят изображения; глаз — это оптическая система.</p>
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<button class="btn-primary" onclick="goTo('p32')"><svg class="ic" viewBox="0 0 24 24"><polygon points="6 4 20 12 6 20 6 4" fill="currentColor" stroke="none"/></svg> Начать § 32</button>
|
||
<div class="hero-progress">
|
||
<span class="hp-label">Прогресс по главе</span>
|
||
<div class="hp-bar"><div id="hero-hp-fill" class="hp-fill"></div></div>
|
||
<span id="hero-hp-text" class="hp-text">0%</span>
|
||
</div>
|
||
<div id="hero-xp-badge" class="hero-xp-badge" data-gamified></div>
|
||
</div>
|
||
</section>
|
||
|
||
<section class="psel">
|
||
<div class="psel-title">Параграфы главы</div>
|
||
<div id="psel-grid" class="psel-grid"></div>
|
||
</section>
|
||
|
||
<section id="sec-p32" class="sec"><div class="sec-header"><span class="sec-num">§ 32</span><h2 class="sec-h">Источники света</h2></div><div id="p32-body"></div></section>
|
||
<section id="sec-p33" class="sec"><div class="sec-header"><span class="sec-num">§ 33</span><h2 class="sec-h">Скорость света. Прямолинейное распространение света</h2></div><div id="p33-body"></div></section>
|
||
<section id="sec-p34" class="sec"><div class="sec-header"><span class="sec-num">§ 34</span><h2 class="sec-h">Отражение света</h2></div><div id="p34-body"></div></section>
|
||
<section id="sec-p35" class="sec"><div class="sec-header"><span class="sec-num">§ 35</span><h2 class="sec-h">Зеркала. Изображение в плоском зеркале</h2></div><div id="p35-body"></div></section>
|
||
<section id="sec-p36" class="sec"><div class="sec-header"><span class="sec-num">§ 36</span><h2 class="sec-h">Преломление света</h2></div><div id="p36-body"></div></section>
|
||
<section id="sec-p37" class="sec"><div class="sec-header"><span class="sec-num">§ 37</span><h2 class="sec-h">Линзы. Оптическая сила линзы</h2></div><div id="p37-body"></div></section>
|
||
<section id="sec-p38" class="sec"><div class="sec-header"><span class="sec-num">§ 38</span><h2 class="sec-h">Построение изображений в тонких линзах</h2></div><div id="p38-body"></div></section>
|
||
<section id="sec-p39" class="sec"><div class="sec-header"><span class="sec-num">§ 39</span><h2 class="sec-h">Глаз как оптическая система</h2></div><div id="p39-body"></div></section>
|
||
<section id="sec-p40" class="sec"><div class="sec-header"><span class="sec-num">§ 40</span><h2 class="sec-h">Дефекты зрения. Очки</h2></div><div id="p40-body"></div></section>
|
||
<section id="sec-final3" class="sec"><div class="sec-header"><span class="sec-num">★</span><h2 class="sec-h">Финал главы</h2></div><div id="final3-body"></div></section>
|
||
|
||
</div>
|
||
<aside class="col-side" id="col-side"><div id="sidebar-content"></div></aside>
|
||
<div class="col-side-backdrop" id="col-side-backdrop"></div>
|
||
</main>
|
||
|
||
<footer class="foot">Интерактивный учебник «Физика 8» · Глава 3 · «Световые явления» · LearnSpace</footer>
|
||
|
||
<div id="ach-popup" class="ach-popup"><svg class="ic" viewBox="0 0 24 24" style="width:22px;height:22px"><polygon points="12,2 22,20 2,20"/></svg><span id="ach-text">Достижение!</span></div>
|
||
<div id="search-modal" class="search-modal" role="dialog">
|
||
<div class="search-box">
|
||
<input type="text" id="search-input" class="search-input" placeholder="Поиск…" autocomplete="off">
|
||
<div id="search-results" class="search-results"></div>
|
||
<div class="search-foot"><span><kbd>↑↓</kbd> навигация</span><span><kbd>Enter</kbd> открыть</span><span><kbd>Esc</kbd> закрыть</span></div>
|
||
</div>
|
||
</div>
|
||
|
||
<script>
|
||
'use strict';
|
||
|
||
const STATE = { current:'p32', progress:{}, achievements:new Map(), xp:0, level:1 };
|
||
const TOTAL_PARAS = 10;
|
||
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|
||
const LS_PREFIX = 'physics8_ch3';
|
||
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|
||
|
||
const PARAS = [
|
||
{ id:'p32', num:'\u00a7 32', name:'Источники света', sub:'Тепловые, люминесцентные' },
|
||
{ id:'p33', num:'\u00a7 33', name:'Скорость света. Прямолинейное распространение света', sub:'$c = 3 \\cdot 10^8$ м/с' },
|
||
{ id:'p34', num:'\u00a7 34', name:'Отражение света', sub:'$\\alpha = \\beta$' },
|
||
{ id:'p35', num:'\u00a7 35', name:'Зеркала. Изображение в плоском зеркале', sub:'Мнимое, симметричное' },
|
||
{ id:'p36', num:'\u00a7 36', name:'Преломление света', sub:'$\\sin\\alpha/\\sin\\beta = n$' },
|
||
{ id:'p37', num:'\u00a7 37', name:'Линзы. Оптическая сила линзы', sub:'$D = 1/F$' },
|
||
{ id:'p38', num:'\u00a7 38', name:'Построение изображений в тонких линзах', sub:'3 «золотых» луча' },
|
||
{ id:'p39', num:'\u00a7 39', name:'Глаз как оптическая система', sub:'Аккомодация, $\\geq 25$ см' },
|
||
{ id:'p40', num:'\u00a7 40', name:'Дефекты зрения. Очки', sub:'Близо- и дальнозоркость' },
|
||
{ id:'final3', num:'\u2605', name:'Финал главы', sub:'Итоги · 7 боссов', final:true }
|
||
];
|
||
PARAS.forEach(p => { STATE.progress[p.id] = 0; });
|
||
|
||
const ACH_LABELS = {
|
||
start:"Начало главы 3!",
|
||
p32_done:"Источники света освоен!",
|
||
p33_done:"Скорость света. Прямолинейное распространение света освоен!",
|
||
p34_done:"Отражение света освоен!",
|
||
p35_done:"Зеркала. Изображение в плоском зеркале освоен!",
|
||
p36_done:"Преломление света освоен!",
|
||
p37_done:"Линзы. Оптическая сила линзы освоен!",
|
||
p38_done:"Построение изображений в тонких линзах освоен!",
|
||
p39_done:"Глаз как оптическая система освоен!",
|
||
p40_done:"Дефекты зрения. Очки освоен!",
|
||
ch3_done:"Глава 3 пройдена!"
|
||
};
|
||
|
||
const SIDEBARS = {
|
||
p32:{title:"Шпаргалка § 32",rows:[["В разработке","Phase 5 Wave 1"]]},
|
||
p33:{title:"Шпаргалка § 33",rows:[["В разработке","Phase 5 Wave 1"]]},
|
||
p34:{title:"Шпаргалка § 34",rows:[["В разработке","Phase 5 Wave 2"]]},
|
||
p35:{title:"Шпаргалка § 35",rows:[["В разработке","Phase 5 Wave 2"]]},
|
||
p36:{title:"Шпаргалка § 36",rows:[["В разработке","Phase 5 Wave 3"]]},
|
||
p37:{title:"Шпаргалка § 37",rows:[["В разработке","Phase 5 Wave 3"]]},
|
||
p38:{title:"Шпаргалка § 38",rows:[["В разработке","Phase 5 Wave 4"]]},
|
||
p39:{title:"Шпаргалка § 39",rows:[["В разработке","Phase 5 Wave 4"]]},
|
||
p40:{title:"Шпаргалка § 40",rows:[["В разработке","Phase 5 Wave 4"]]},
|
||
final3:{title:"Шпаргалка ★",rows:[["В разработке","Phase 5 Wave 4"]]}
|
||
};
|
||
|
||
const TIPS=[
|
||
{sec:'p32',html:"Параграф § 32 будет реализован в Phase 5 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p33',html:"Параграф § 33 будет реализован в Phase 5 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p34',html:"Параграф § 34 будет реализован в Phase 5 Wave 2. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p35',html:"Параграф § 35 будет реализован в Phase 5 Wave 2. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p36',html:"Параграф § 36 будет реализован в Phase 5 Wave 3. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p37',html:"Параграф § 37 будет реализован в Phase 5 Wave 3. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p38',html:"Параграф § 38 будет реализован в Phase 5 Wave 4. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p39',html:"Параграф § 39 будет реализован в Phase 5 Wave 4. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'p40',html:"Параграф § 40 будет реализован в Phase 5 Wave 4. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
|
||
{sec:'final3',html:"Параграф ★ будет реализован в Phase 5 Wave 4. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."}
|
||
];
|
||
|
||
const BUILDERS = {
|
||
p32: ()=>{ const box=document.getElementById('p32-body'); box.innerHTML = buildStub('p32', 'Источники света', 'Phase 5 Wave 1') + secNavFor('p32') + readButton('p32'); renderMath(box); wireReadBtn('p32'); },
|
||
p33: ()=>{ const box=document.getElementById('p33-body'); box.innerHTML = buildStub('p33', 'Скорость света. Прямолинейное распространение света', 'Phase 5 Wave 1') + secNavFor('p33') + readButton('p33'); renderMath(box); wireReadBtn('p33'); },
|
||
p34: ()=>{ const box=document.getElementById('p34-body'); box.innerHTML = buildStub('p34', 'Отражение света', 'Phase 5 Wave 2') + secNavFor('p34') + readButton('p34'); renderMath(box); wireReadBtn('p34'); },
|
||
p35: ()=>{ const box=document.getElementById('p35-body'); box.innerHTML = buildStub('p35', 'Зеркала. Изображение в плоском зеркале', 'Phase 5 Wave 2') + secNavFor('p35') + readButton('p35'); renderMath(box); wireReadBtn('p35'); },
|
||
p36: ()=>{ const box=document.getElementById('p36-body'); box.innerHTML = buildStub('p36', 'Преломление света', 'Phase 5 Wave 3') + secNavFor('p36') + readButton('p36'); renderMath(box); wireReadBtn('p36'); },
|
||
p37: ()=>{ const box=document.getElementById('p37-body'); box.innerHTML = buildStub('p37', 'Линзы. Оптическая сила линзы', 'Phase 5 Wave 3') + secNavFor('p37') + readButton('p37'); renderMath(box); wireReadBtn('p37'); },
|
||
p38: ()=>{ const box=document.getElementById('p38-body'); box.innerHTML = buildStub('p38', 'Построение изображений в тонких линзах', 'Phase 5 Wave 4') + secNavFor('p38') + readButton('p38'); renderMath(box); wireReadBtn('p38'); },
|
||
p39: ()=>{ const box=document.getElementById('p39-body'); box.innerHTML = buildStub('p39', 'Глаз как оптическая система', 'Phase 5 Wave 4') + secNavFor('p39') + readButton('p39'); renderMath(box); wireReadBtn('p39'); },
|
||
p40: ()=>{ const box=document.getElementById('p40-body'); box.innerHTML = buildStub('p40', 'Дефекты зрения. Очки', 'Phase 5 Wave 4') + secNavFor('p40') + readButton('p40'); renderMath(box); wireReadBtn('p40'); },
|
||
final3: ()=>{ const box=document.getElementById('final3-body'); box.innerHTML = buildStub('final3', 'Финал главы', 'Phase 5 Wave 4') + secNavFor('final3') + readButton('final3'); renderMath(box); wireReadBtn('final3'); }
|
||
};
|
||
|
||
function calcLevel(xp){ return Math.floor(Math.sqrt((xp||0)/100))+1; }
|
||
function _xpForLevel(lv){ return (lv-1)*(lv-1)*100; }
|
||
|
||
function loadProgress(){
|
||
try{
|
||
const s=localStorage.getItem(LS_PREFIX+'_progress'); if(s) Object.assign(STATE.progress, JSON.parse(s));
|
||
const a=localStorage.getItem(LS_PREFIX+'_achievements');
|
||
if(a){ const p=JSON.parse(a); if(Array.isArray(p)) p.forEach(id=>STATE.achievements.set(id, ACH_LABELS[id]||id)); else if(p&&typeof p==='object'){ for(const[id,t] of Object.entries(p)) STATE.achievements.set(id,(t&&t!==id)?t:(ACH_LABELS[id]||id)); } }
|
||
STATE.xp=+(localStorage.getItem(LS_XP)||0); STATE.level=calcLevel(STATE.xp);
|
||
}catch(e){}
|
||
}
|
||
function saveProgress(){
|
||
try{
|
||
localStorage.setItem(LS_PREFIX+'_progress', JSON.stringify(STATE.progress));
|
||
localStorage.setItem(LS_PREFIX+'_achievements', JSON.stringify(Object.fromEntries(STATE.achievements)));
|
||
localStorage.setItem(LS_XP, String(STATE.xp));
|
||
}catch(e){}
|
||
}
|
||
function bumpProgress(key, delta){
|
||
STATE.progress[key]=Math.max(0,Math.min(100,(STATE.progress[key]||0)+delta));
|
||
saveProgress(); refreshProgressUI();
|
||
if(STATE.progress[key]>=50) markParaRead(key);
|
||
}
|
||
|
||
const _markedRead=new Set();
|
||
let _pendingProgressBody=null, _progressTimer=null;
|
||
function _flushProgress(){
|
||
const body=_pendingProgressBody; _pendingProgressBody=null; if(!body) return;
|
||
const tok=(window.LS&&LS.getToken)?LS.getToken():''; if(!tok) return;
|
||
fetch('/api/textbooks/'+_TB_SLUG+'/progress',{method:'POST',headers:{'Content-Type':'application/json','Authorization':'Bearer '+tok},body:JSON.stringify(body),keepalive:true}).catch(()=>{});
|
||
}
|
||
function _queueProgress(patch){ _pendingProgressBody=Object.assign(_pendingProgressBody||{},patch); if(_progressTimer) clearTimeout(_progressTimer); _progressTimer=setTimeout(_flushProgress, 600); }
|
||
function markLastPara(id){ _queueProgress({last_para:id}); }
|
||
function markParaRead(id){ if(_markedRead.has(id)) return; _markedRead.add(id); _queueProgress({mark_read:id}); }
|
||
window.addEventListener('beforeunload', _flushProgress);
|
||
function loadServerReadState(){
|
||
const tok=(window.LS&&LS.getToken)?LS.getToken():''; if(!tok) return;
|
||
fetch('/api/textbooks/'+_TB_SLUG,{headers:{'Authorization':'Bearer '+tok}}).then(r=>r.ok?r.json():null).then(d=>{
|
||
if(!d||!d.progress) return;
|
||
(d.progress.read||[]).forEach(k=>{_markedRead.add(k); if((STATE.progress[k]||0)<50) STATE.progress[k]=100;});
|
||
saveProgress(); refreshProgressUI();
|
||
}).catch(()=>{});
|
||
}
|
||
|
||
function addXp(n,src){
|
||
if(!n) return;
|
||
const prev=STATE.level; STATE.xp=Math.max(0,(STATE.xp||0)+n); STATE.level=calcLevel(STATE.xp);
|
||
saveProgress(); refreshProgressUI();
|
||
if(window.LS&&window.LS.xp) window.LS.xp.add(n, LS_PREFIX+'-'+(src||'misc'));
|
||
if(STATE.level>prev){
|
||
const pop=document.getElementById('ach-popup');
|
||
if(pop){ document.getElementById('ach-text').textContent='Уровень '+STATE.level+'!'; pop.classList.add('show'); setTimeout(()=>pop.classList.remove('show'),2600); }
|
||
}
|
||
}
|
||
|
||
function refreshProgressUI(){
|
||
const total=Math.round(Object.values(STATE.progress).reduce((a,b)=>a+b,0)/TOTAL_PARAS);
|
||
const f=document.getElementById('hero-hp-fill'); if(f) f.style.width=total+'%';
|
||
const t=document.getElementById('hero-hp-text'); if(t) t.textContent=total+'% пройдено';
|
||
document.querySelectorAll('[data-prog-card]').forEach(el=>{ const k=el.dataset.progCard; const fl=el.querySelector('.psel-prog-fill'); if(fl) fl.style.width=(STATE.progress[k]||0)+'%'; });
|
||
const xpBadge=document.getElementById('hero-xp-badge');
|
||
if(xpBadge){ xpBadge.innerHTML='<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:13px;height:13px"><polygon points="12 2 22 20 2 20"/></svg> Ур. '+STATE.level+' \xb7 '+(STATE.xp||0)+' XP'; }
|
||
if(STATE.current && document.getElementById('sidebar-content')){ try{ buildSidebar(STATE.current); }catch(e){} }
|
||
}
|
||
|
||
function achievement(id,text){
|
||
if(STATE.achievements.has(id)) return;
|
||
STATE.achievements.set(id, text||ACH_LABELS[id]||id); saveProgress();
|
||
const pop=document.getElementById('ach-popup');
|
||
if(pop){ document.getElementById('ach-text').textContent=text||ACH_LABELS[id]||id; pop.classList.add('show'); setTimeout(()=>pop.classList.remove('show'),3300); }
|
||
addXp(20,'ach-'+id);
|
||
}
|
||
|
||
function buildParaSelector(){
|
||
const g=document.getElementById('psel-grid'); g.innerHTML='';
|
||
PARAS.forEach(p=>{
|
||
const card=document.createElement('div');
|
||
card.className='psel-card'+(p.final?' final':'');
|
||
card.dataset.id=p.id; card.dataset.progCard=p.id;
|
||
card.innerHTML='<div class="psel-num">'+p.num+'</div><div class="psel-name">'+p.name+'</div><div class="psel-prog"><div class="psel-prog-fill"></div></div>';
|
||
card.addEventListener('click', ()=>goTo(p.id));
|
||
g.appendChild(card);
|
||
});
|
||
}
|
||
|
||
const BUILT=new Set();
|
||
function ensureBuilt(id){ if(BUILT.has(id)) return; const fn=BUILDERS[id]; if(fn){ fn(); BUILT.add(id); } }
|
||
function goTo(id){
|
||
STATE.current=id; ensureBuilt(id);
|
||
document.querySelectorAll('.sec').forEach(s=>s.classList.remove('active'));
|
||
const el=document.getElementById('sec-'+id); if(el) el.classList.add('active');
|
||
document.querySelectorAll('.psel-card').forEach(c=>c.classList.toggle('active', c.dataset.id===id));
|
||
buildSidebar(id);
|
||
window.scrollTo({top:0,behavior:'smooth'});
|
||
if((STATE.progress[id]||0)<10) bumpProgress(id, 10);
|
||
if(window.renderMathInElement) setTimeout(()=>renderMath(el), 0);
|
||
markLastPara(id);
|
||
}
|
||
|
||
function buildSidebar(id){
|
||
const box=document.getElementById('sidebar-content');
|
||
const sb=SIDEBARS[id]||SIDEBARS[PARAS[0].id];
|
||
let html='';
|
||
const xpForLv=_xpForLevel(STATE.level), xpNext=_xpForLevel(STATE.level+1);
|
||
const xpInLv=STATE.xp-xpForLv, xpRange=xpNext-xpForLv;
|
||
const xpPct=xpRange>0?Math.round(xpInLv/xpRange*100):100;
|
||
html+='<div class="xp-card" data-gamified><div class="xp-card-title" data-gamified><span>XP-прогресс</span><span class="xp-level">Ур. '+STATE.level+'</span></div><div class="xp-bar"><div class="xp-fill" style="width:'+xpPct+'%"></div></div><div class="xp-nums"><span>'+STATE.xp+' XP</span><span>'+xpNext+' XP</span></div></div>';
|
||
html+='<div class="sidecard"><h4>'+sb.title+'</h4>';
|
||
sb.rows.forEach(([k,v])=>{ html+='<div class="sidecard-row"><b>'+k+'</b>'+(v?' \u2014 '+v:'')+'</div>'; });
|
||
html+='</div>';
|
||
const tip=TIPS.find(t=>t.sec===id)||TIPS[0];
|
||
if(tip){
|
||
html+='<div class="sidecard" style="background:linear-gradient(135deg,var(--warn-bg,#fef3c7),var(--pri-soft));border-color:var(--warn,#f59e0b)"><h4 style="color:#92400e;display:flex;align-items:center;gap:6px"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:14px;height:14px"><polygon points="12,2 22,20 2,20"/></svg>Подсказка</h4><div class="sidecard-row" style="margin-bottom:0;font-size:.84rem;line-height:1.55">'+tip.html+'</div></div>';
|
||
}
|
||
if(STATE.achievements.size>0){
|
||
html+='<div class="sidecard"><h4>Достижения <span style="color:var(--warn);float:right">'+STATE.achievements.size+'</span></h4>';
|
||
[...STATE.achievements.values()].slice(-4).forEach(text=>{ html+='<div class="sidecard-row" style="font-size:.78rem;color:var(--ok)">✓ '+text+'</div>'; });
|
||
html+='</div>';
|
||
}
|
||
box.innerHTML=html;
|
||
if(window.renderMathInElement) try{ renderMath(box); }catch(e){}
|
||
}
|
||
|
||
function initTheme(){
|
||
const t=localStorage.getItem(LS_PREFIX+'_theme')||'light';
|
||
if(t==='dark') document.documentElement.classList.add('dark');
|
||
document.getElementById('theme-lab').textContent=t==='dark'?'Светлая':'Тёмная';
|
||
document.getElementById('theme-btn').addEventListener('click', ()=>{
|
||
document.documentElement.classList.toggle('dark');
|
||
const dark=document.documentElement.classList.contains('dark');
|
||
localStorage.setItem(LS_PREFIX+'_theme', dark?'dark':'light');
|
||
document.getElementById('theme-lab').textContent=dark?'Светлая':'Тёмная';
|
||
});
|
||
}
|
||
|
||
function renderMath(root){ if(window.renderMathInElement){ try{ renderMathInElement(root, {delimiters:[{left:'$$',right:'$$',display:true},{left:'$',right:'$',display:false},{left:'\\[',right:'\\]',display:true},{left:'\\(',right:'\\)',display:false}],throwOnError:false}); }catch(e){} } }
|
||
function feedback(elm, ok, text){ if(!elm) return; elm.className='feedback '+(ok?'ok':'fail'); elm.innerHTML=text||(ok?'✓ Верно!':'✗ Неверно'); elm.style.display='block'; try{renderMath(elm);}catch(e){} }
|
||
function fmt(n){ if(!isFinite(n)) return '?'; if(Number.isInteger(n)) return String(n); return Math.abs(n-Math.round(n))<1e-9?String(Math.round(n)):(+n.toFixed(6)).toString(); }
|
||
function ipow(base, exp){ let r=1; for(let i=0;i<Math.abs(exp);i++) r*=base; return exp<0 ? 1/r : r; }
|
||
function gcd(a,b){ a=Math.abs(a|0); b=Math.abs(b|0); while(b){ const t=b; b=a%b; a=t; } return a||1; }
|
||
function makeCard(kind, title, num, body){
|
||
const labels = {repeat:'Повторение',theory:'Теория',algo:'Алгоритм',rule:'Правило',example:'Пример',oral:'Устно'};
|
||
return '<div class="card"><div class="card-header"><div class="card-icon '+kind+'">'+ICONS[kind]+'</div><div class="card-title">'+(labels[kind]||'')+(title&&title!==labels[kind]?' \xb7 '+title:'')+'</div>'+(num?'<div class="card-num">'+num+'</div>':'')+'</div><div class="card-body">'+body+'</div></div>';
|
||
}
|
||
|
||
/* === SVG-хелперы === */
|
||
function axes2D(W, H, pad, xmin, xmax, ymin, ymax){
|
||
const ux = (W - 2*pad) / (xmax - xmin);
|
||
const uy = (H - 2*pad) / (ymax - ymin);
|
||
const toX = v => pad + (v - xmin) * ux;
|
||
const toY = v => H - pad - (v - ymin) * uy;
|
||
let g = '';
|
||
g += '<g stroke="#e5e7eb" stroke-width="1">';
|
||
for (let x = Math.ceil(xmin); x <= xmax; x++){
|
||
g += '<line x1="'+toX(x)+'" y1="'+pad+'" x2="'+toX(x)+'" y2="'+(H-pad)+'"/>';
|
||
}
|
||
for (let y = Math.ceil(ymin); y <= ymax; y++){
|
||
g += '<line x1="'+pad+'" y1="'+toY(y)+'" x2="'+(W-pad)+'" y2="'+toY(y)+'"/>';
|
||
}
|
||
g += '</g>';
|
||
const y0 = toY(0), x0 = toX(0);
|
||
g += '<line x1="'+pad+'" y1="'+y0+'" x2="'+(W-pad)+'" y2="'+y0+'" stroke="#0f172a" stroke-width="1.5"/>';
|
||
g += '<line x1="'+x0+'" y1="'+pad+'" x2="'+x0+'" y2="'+(H-pad)+'" stroke="#0f172a" stroke-width="1.5"/>';
|
||
g += '<text x="'+(W-pad+2)+'" y="'+(y0-4)+'" font-size="11" fill="#0f172a">x</text>';
|
||
g += '<text x="'+(x0+4)+'" y="'+(pad-2)+'" font-size="11" fill="#0f172a">y</text>';
|
||
g += '<g font-size="10" fill="#64748b">';
|
||
for (let x = Math.ceil(xmin); x <= xmax; x++){
|
||
if (x !== 0) g += '<text x="'+(toX(x)-3)+'" y="'+(y0+12)+'">'+x+'</text>';
|
||
}
|
||
for (let y = Math.ceil(ymin); y <= ymax; y++){
|
||
if (y !== 0) g += '<text x="'+(x0+4)+'" y="'+(toY(y)+3)+'">'+y+'</text>';
|
||
}
|
||
g += '<text x="'+(x0+4)+'" y="'+(y0+12)+'">0</text>';
|
||
g += '</g>';
|
||
return { content: g, toX, toY, ux, uy };
|
||
}
|
||
function plotFunc(f, xmin, xmax, toX, toY, color, N){
|
||
N = N || 200;
|
||
let d = '';
|
||
let prevValid = false;
|
||
for (let i = 0; i <= N; i++){
|
||
const x = xmin + (xmax - xmin) * i / N;
|
||
let y;
|
||
try { y = f(x); } catch(e){ y = NaN; }
|
||
if (!isFinite(y) || isNaN(y) || y < -1e4 || y > 1e4){ prevValid = false; continue; }
|
||
d += (prevValid ? ' L' : ' M') + toX(x).toFixed(2) + ',' + toY(y).toFixed(2);
|
||
prevValid = true;
|
||
}
|
||
return '<path d="'+d+'" stroke="'+color+'" stroke-width="2" fill="none" stroke-linecap="round" stroke-linejoin="round"/>';
|
||
}
|
||
function pointWithDrop(x, fx, toX, toY, color, label){
|
||
const px = toX(x), py = toY(fx);
|
||
let s = '';
|
||
s += '<line x1="'+px+'" y1="'+py+'" x2="'+px+'" y2="'+toY(0)+'" stroke="'+color+'" stroke-width="1.2" stroke-dasharray="3 3" opacity=".7"/>';
|
||
s += '<line x1="'+px+'" y1="'+py+'" x2="'+toX(0)+'" y2="'+py+'" stroke="'+color+'" stroke-width="1.2" stroke-dasharray="3 3" opacity=".7"/>';
|
||
s += '<circle cx="'+px+'" cy="'+py+'" r="4.5" fill="'+color+'" stroke="#fff" stroke-width="2"/>';
|
||
if (label){
|
||
s += '<text x="'+(px+8)+'" y="'+(py-8)+'" font-family="Inter,sans-serif" font-size="12" font-weight="700" fill="'+color+'">'+label+'</text>';
|
||
}
|
||
return s;
|
||
}
|
||
function asymptote(orientation, value, toX, toY, xmin, xmax, ymin, ymax, color){
|
||
color = color || '#94a3b8';
|
||
if (orientation === 'h'){
|
||
const y = toY(value);
|
||
return '<line x1="'+toX(xmin)+'" y1="'+y+'" x2="'+toX(xmax)+'" y2="'+y+'" stroke="'+color+'" stroke-width="1.3" stroke-dasharray="6 4"/>';
|
||
} else {
|
||
const x = toX(value);
|
||
return '<line x1="'+x+'" y1="'+toY(ymin)+'" x2="'+x+'" y2="'+toY(ymax)+'" stroke="'+color+'" stroke-width="1.3" stroke-dasharray="6 4"/>';
|
||
}
|
||
}
|
||
function snapToValue(value, snapPoints, tolerance){
|
||
tolerance = tolerance || 0.1;
|
||
for (const sp of snapPoints){
|
||
if (Math.abs(value - sp) < tolerance) return sp;
|
||
}
|
||
return value;
|
||
}
|
||
function rightAngleMark(V, uIn, wIn, s){
|
||
s = s || 9;
|
||
const p1 = {x: V.x + s*uIn.x, y: V.y + s*uIn.y};
|
||
const c = {x: p1.x + s*wIn.x, y: p1.y + s*wIn.y};
|
||
const p2 = {x: V.x + s*wIn.x, y: V.y + s*wIn.y};
|
||
return p1.x+','+p1.y+' '+c.x+','+c.y+' '+p2.x+','+p2.y;
|
||
}
|
||
function angleArcAuto(V, uA, uB, R){
|
||
const sA = {x: V.x + R*uA.x, y: V.y + R*uA.y};
|
||
const eB = {x: V.x + R*uB.x, y: V.y + R*uB.y};
|
||
const cross = uA.x*uB.y - uA.y*uB.x;
|
||
const sweep = cross > 0 ? 1 : 0;
|
||
return 'M'+sA.x+','+sA.y+' A'+R+','+R+' 0 0,'+sweep+' '+eB.x+','+eB.y;
|
||
}
|
||
function unitVec(p1, p2){
|
||
const dx = p2.x - p1.x, dy = p2.y - p1.y;
|
||
const len = Math.sqrt(dx*dx + dy*dy) || 1;
|
||
return {x: dx/len, y: dy/len};
|
||
}
|
||
function deg2rad(d){ return d * Math.PI / 180; }
|
||
|
||
const ICONS = {
|
||
repeat:'<svg class="ic" viewBox="0 0 24 24"><polyline points="9 11 12 14 22 4"/><path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11"/></svg>',
|
||
theory:'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>',
|
||
algo:'<svg class="ic" viewBox="0 0 24 24"><polyline points="17 11 21 7 17 3"/><line x1="21" y1="7" x2="9" y2="7"/><polyline points="7 13 3 17 7 21"/><line x1="3" y1="17" x2="15" y2="17"/></svg>',
|
||
rule:'<svg class="ic" viewBox="0 0 24 24"><path d="M6 8a6 6 0 0 1 12 0c0 7 3 9 3 9H3s3-2 3-9"/><path d="M10.3 21a1.94 1.94 0 0 0 3.4 0"/></svg>',
|
||
example:'<svg class="ic" viewBox="0 0 24 24"><path d="M9 18h6"/><path d="M10 22h4"/><path d="M12 2a7 7 0 0 0-4 13c1 1 2 2 2 4h4c0-2 1-3 2-4a7 7 0 0 0-4-13z"/></svg>',
|
||
oral:'<svg class="ic" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>'
|
||
};
|
||
|
||
function secNavFor(curId){
|
||
const idx = PARAS.findIndex(p => p.id === curId);
|
||
const prev = idx > 0 ? PARAS[idx-1].id : null;
|
||
const next = idx < PARAS.length - 1 ? PARAS[idx+1].id : null;
|
||
return secNav(prev, next);
|
||
}
|
||
function secNav(prev, next){
|
||
function lbl(id){ if(!id) return ''; const p=PARAS.find(x=>x.id===id); return p?p.num:id; }
|
||
let h='<div class="sec-nav">';
|
||
h+=prev?'<button class="btn" onclick="goTo(\''+prev+'\')"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> '+lbl(prev)+'</button>':'<span></span>';
|
||
h+=next?'<button class="btn primary" onclick="goTo(\''+next+'\')">'+lbl(next)+' <svg class="ic" viewBox="0 0 24 24"><polyline points="9 18 15 12 9 6"/></svg></button>':'<span></span>';
|
||
h+='</div>'; return h;
|
||
}
|
||
|
||
function readButton(paraId){
|
||
const p = PARAS.find(x => x.id === paraId);
|
||
const labelTail = p && p.final ? 'финал' : (p ? p.num : '?');
|
||
return '<div style="margin-top:18px;display:flex;justify-content:center">'
|
||
+'<button class="btn primary" id="'+paraId+'-read-btn">'
|
||
+'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>'
|
||
+' Я прочитал \u2014 '+labelTail+' (+10 XP)'
|
||
+'</button></div>';
|
||
}
|
||
function wireReadBtn(paraId){
|
||
const btn = document.getElementById(paraId+'-read-btn'); if(!btn) return;
|
||
btn.addEventListener('click', ()=>{
|
||
addXp(10, paraId+'-read'); bumpProgress(paraId, 30);
|
||
btn.textContent='Прочитано! +10 XP'; btn.disabled=true; btn.style.opacity=.6;
|
||
const aId = paraId+'_done';
|
||
if(ACH_LABELS[aId]) achievement(aId);
|
||
});
|
||
}
|
||
|
||
function setupSorter(cfg){
|
||
const placed = {}; const pool = document.getElementById(cfg.poolId); const scope = document.querySelector(cfg.scopeSelector);
|
||
if(!pool||!scope) return {placed,render:()=>{},reset:()=>{}};
|
||
pool.classList.add('dnd-pool'); if(cfg.columnLayout) pool.classList.add('col');
|
||
let armed = null;
|
||
function buildChip(it,isPlaced){ const e=document.createElement('div'); e.className='dnd-chip'+(isPlaced?' placed':''); e.dataset.id=it.id; e.innerHTML='<span class="dnd-txt">'+it.html+'</span><span class="dnd-x" title="Убрать">\xd7</span>'; attach(e,it.id); return e; }
|
||
function attach(elm,itId){ let ghost=null,dragging=false,sx=0,sy=0; elm.addEventListener('pointerdown',ev=>{ if(ev.button!==undefined&&ev.button!==0) return;
|
||
ev.preventDefault(); if(ev.target.classList&&ev.target.classList.contains('dnd-x')){ ev.stopPropagation(); if(placed[itId]){delete placed[itId];render();}else if(armed===itId){armed=null;render();} return; } sx=ev.clientX;sy=ev.clientY; const r=elm.getBoundingClientRect(); const ox=ev.clientX-r.left,oy=ev.clientY-r.top; try{elm.setPointerCapture(ev.pointerId);}catch(e){} function onMove(e){ const dx=e.clientX-sx,dy=e.clientY-sy; if(!dragging&&Math.hypot(dx,dy)>8){ dragging=true; ghost=elm.cloneNode(true); ghost.classList.remove('armed'); ghost.style.cssText='position:fixed;z-index:9999;pointer-events:none;opacity:.9;transform:rotate(-2.5deg);box-shadow:0 14px 36px rgba(0,0,0,.32);width:'+r.width+'px;left:'+(e.clientX-ox)+'px;top:'+(e.clientY-oy)+'px'; document.body.appendChild(ghost); elm.classList.add('dragging'); } if(dragging&&ghost){ ghost.style.left=(e.clientX-ox)+'px';ghost.style.top=(e.clientY-oy)+'px'; const under=document.elementsFromPoint(e.clientX,e.clientY); scope.querySelectorAll('.drop-box.over,.dnd-pool.over').forEach(n=>n.classList.remove('over')); const tgt=under.find(n=>n.classList&&(n.classList.contains('drop-box')||n.classList.contains('dnd-pool'))); if(tgt)tgt.classList.add('over'); } } function onUp(e){ elm.removeEventListener('pointermove',onMove);elm.removeEventListener('pointerup',onUp);elm.removeEventListener('pointercancel',onUp);elm.classList.remove('dragging'); if(ghost){ghost.remove();ghost=null;} scope.querySelectorAll('.drop-box.over,.dnd-pool.over').forEach(n=>n.classList.remove('over')); if(dragging){ const under=document.elementsFromPoint(e.clientX,e.clientY); const box=under.find(n=>n.classList&&n.classList.contains('drop-box')); const pl=under.find(n=>n.classList&&n.classList.contains('dnd-pool')); if(box){const di=box.querySelector('[data-cat]');if(di){placed[itId]=di.dataset.cat;armed=null;render();return;}}else if(pl){delete placed[itId];armed=null;render();return;} }else{ if(placed[itId]){delete placed[itId];armed=null;render();}else{armed=(armed===itId)?null:itId;render();} } dragging=false; } elm.addEventListener('pointermove',onMove);elm.addEventListener('pointerup',onUp);elm.addEventListener('pointercancel',onUp); }); }
|
||
function attachBoxTaps(){ scope.querySelectorAll('.drop-box').forEach(box=>{ box.addEventListener('click',ev=>{ if(!armed)return; if(ev.target.closest('.dnd-chip'))return; const di=box.querySelector('[data-cat]'); if(di){placed[armed]=di.dataset.cat;armed=null;render();} }); }); }
|
||
function render(){ pool.innerHTML=''; cfg.items.forEach(it=>{if(placed[it.id])return;const c=buildChip(it,false);if(armed===it.id)c.classList.add('armed');pool.appendChild(c);}); cfg.cats.forEach(cat=>{const box=scope.querySelector('.drop-items[data-cat="'+cat+'"]');if(!box)return;box.innerHTML='';cfg.items.forEach(it=>{if(placed[it.id]!==cat)return;box.appendChild(buildChip(it,true));});}); if(window.renderMathInElement)try{renderMath(scope);}catch(_){} }
|
||
attachBoxTaps(); render();
|
||
return {placed,render,reset(){ for(const k in placed)delete placed[k];armed=null;render(); }};
|
||
}
|
||
|
||
function buildStub(id, name, phase){
|
||
return '<div class="card" style="background:linear-gradient(135deg,var(--sec-acc-soft),var(--card));border:1.5px dashed var(--sec-acc)">'
|
||
+ '<div class="card-header"><div class="card-icon theory">'+ICONS.theory+'</div><div class="card-title">В разработке</div></div>'
|
||
+ '<div class="card-body"><p>Контент <b>'+name+'</b> будет реализован в <b>'+phase+'</b> по плану <code>PLAN_PHYSICS_8.md</code>.</p>'
|
||
+ '<p style="margin-top:8px;color:var(--muted);font-size:.9rem">Phase 0 \u2014 это каркас (skeleton). Все 4 интерактива, 3 теоретические карточки и тренажёр задач будут добавлены в волне.</p>'
|
||
+ '</div></div>';
|
||
}
|
||
|
||
/* ===== Search ===== */
|
||
const SEARCH_INDEX = (function(){
|
||
const arr=[];
|
||
PARAS.forEach(p=>arr.push({kind:'Параграф',title:p.num+' '+p.name,desc:p.sub||'',sec:p.id}));
|
||
return arr;
|
||
})();
|
||
function initSearch(){
|
||
const modal=document.getElementById('search-modal'),inp=document.getElementById('search-input'),out=document.getElementById('search-results'),btn=document.getElementById('search-btn');
|
||
if(!modal||!inp||!out) return;
|
||
let cur=0,rows=[];
|
||
function score(q,it){ const t=(it.title+' '+it.desc).toLowerCase(); if(t.includes(q)) return 100+(it.title.toLowerCase().startsWith(q)?50:0); let s=0; q.split(/\s+/).forEach(w=>{if(w&&t.includes(w))s+=10;}); return s; }
|
||
function rank(q){ q=q.trim().toLowerCase(); if(!q) return SEARCH_INDEX.slice(0,12); return SEARCH_INDEX.map(it=>({it,s:score(q,it)})).filter(x=>x.s>0).sort((a,b)=>b.s-a.s).slice(0,20).map(x=>x.it); }
|
||
function render(){ cur=0; if(!rows.length){out.innerHTML='<div class="search-empty">Ничего не найдено</div>';return;} out.innerHTML=rows.map((r,i)=>'<button class="search-row'+(i===0?' active':'')+'" data-i="'+i+'"><div class="sr-kind">'+r.kind+'</div><div class="sr-title">'+r.title+'</div>'+(r.desc?'<div class="sr-desc">'+(r.desc.length>90?r.desc.slice(0,90)+'\u2026':r.desc)+'</div>':'')+'</button>').join(''); out.querySelectorAll('.search-row').forEach(b=>b.addEventListener('click',()=>{cur=+b.dataset.i;pick();})); }
|
||
function pick(){ const r=rows[cur]; if(!r) return; close(); goTo(r.sec); }
|
||
function move(d){ const items=out.querySelectorAll('.search-row'); if(!items.length) return; items[cur]&&items[cur].classList.remove('active'); cur=(cur+d+items.length)%items.length; items[cur].classList.add('active'); items[cur].scrollIntoView({block:'nearest'}); }
|
||
function open(){ modal.classList.add('show'); inp.value=''; rows=rank(''); render(); setTimeout(()=>inp.focus(),50); }
|
||
function close(){ modal.classList.remove('show'); }
|
||
btn&&btn.addEventListener('click',open);
|
||
modal.addEventListener('click',e=>{if(e.target===modal)close();});
|
||
inp.addEventListener('input',()=>{rows=rank(inp.value);render();});
|
||
inp.addEventListener('keydown',e=>{ if(e.key==='ArrowDown'){e.preventDefault();move(1);}else if(e.key==='ArrowUp'){e.preventDefault();move(-1);}else if(e.key==='Enter'){e.preventDefault();pick();}else if(e.key==='Escape'){e.preventDefault();close();} });
|
||
document.addEventListener('keydown',e=>{ if((e.ctrlKey||e.metaKey)&&(e.key==='k'||e.key==='K')){ e.preventDefault(); if(modal.classList.contains('show')) close(); else open(); } });
|
||
}
|
||
|
||
function initSidebarToggle(){
|
||
const side=document.getElementById('col-side'),back=document.getElementById('col-side-backdrop'),btn=document.getElementById('sidebar-btn');
|
||
if(!side||!btn) return;
|
||
function open(){ side.classList.add('open'); back.classList.add('show'); }
|
||
function close(){ side.classList.remove('open'); back.classList.remove('show'); }
|
||
btn.addEventListener('click',()=>{ if(side.classList.contains('open')) close(); else open(); });
|
||
back.addEventListener('click',close);
|
||
document.addEventListener('keydown',e=>{ if(e.key==='Escape') close(); });
|
||
}
|
||
|
||
function init(){
|
||
loadProgress(); initTheme(); initSidebarToggle(); initSearch();
|
||
buildParaSelector(); refreshProgressUI(); loadServerReadState(); goTo(PARAS[0].id);
|
||
setTimeout(()=>achievement('start'), 600);
|
||
if(window.LS&&window.LS.xp){
|
||
window.LS.xp.load().then(function(s){ if(s&&s.xp>STATE.xp){ STATE.xp=s.xp; STATE.level=calcLevel(STATE.xp); saveProgress(); refreshProgressUI(); if(STATE.current) buildSidebar(STATE.current); } });
|
||
}
|
||
}
|
||
document.addEventListener('DOMContentLoaded', init);
|
||
|
||
</script>
|
||
|
||
</body>
|
||
</html>
|