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Learn_System/frontend/textbooks/physics_8_lab.html
T
Maxim Dolgolyov 33a91900a8 feat(phys8): Phase 0 — skeleton hub + 3 chapters + lab + phys.js/optics.js
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>
2026-05-29 22:41:37 +03:00

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<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:'lr1', progress:{}, achievements:new Map(), xp:0, level:1 };
const TOTAL_PARAS = 7;
const _TB_SLUG = 'physics-8-lab';
const LS_PREFIX = 'physics8_lab';
const LS_XP = 'physics8_xp';
const PARAS = [
{ id:'lr1', num:'ЛР 1', name:'Изучение явления теплообмена при смешивании воды разной температуры', sub:'§ 6' },
{ id:'lr2', num:'ЛР 2', name:'Определение удельной теплоёмкости твёрдого тела', sub:'§ 6' },
{ id:'lr3', num:'ЛР 3', name:'Сборка простейшей электрической цепи и измерение силы тока и напряжения', sub:'§ 21' },
{ id:'lr4', num:'ЛР 4', name:'Изучение последовательного соединения проводников', sub:'§ 24' },
{ id:'lr5', num:'ЛР 5', name:'Изучение параллельного соединения проводников', sub:'§ 25' },
{ id:'lr6', num:'ЛР 6', name:'Определение работы и мощности электрического тока', sub:'§ 26' },
{ id:'lr7', num:'ЛР 7', name:'Изучение явления отражения света', sub:'§ 34' }
];
PARAS.forEach(p => { STATE.progress[p.id] = 0; });
const ACH_LABELS = {
start:"Начало практикума!",
lr1_done:"Изучение явления теплообмена при смешивании воды разной температуры завершена!",
lr2_done:"Определение удельной теплоёмкости твёрдого тела завершена!",
lr3_done:"Сборка простейшей электрической цепи и измерение силы тока и напряжения завершена!",
lr4_done:"Изучение последовательного соединения проводников завершена!",
lr5_done:"Изучение параллельного соединения проводников завершена!",
lr6_done:"Определение работы и мощности электрического тока завершена!",
lr7_done:"Изучение явления отражения света завершена!",
lab_done:"Практикум пройден!"
};
const SIDEBARS = {
lr1:{title:"Шпаргалка ЛР 1",rows:[["В разработке","Phase 6 Wave 1"]]},
lr2:{title:"Шпаргалка ЛР 2",rows:[["В разработке","Phase 6 Wave 1"]]},
lr3:{title:"Шпаргалка ЛР 3",rows:[["В разработке","Phase 6 Wave 1"]]},
lr4:{title:"Шпаргалка ЛР 4",rows:[["В разработке","Phase 6 Wave 1"]]},
lr5:{title:"Шпаргалка ЛР 5",rows:[["В разработке","Phase 6 Wave 1"]]},
lr6:{title:"Шпаргалка ЛР 6",rows:[["В разработке","Phase 6 Wave 1"]]},
lr7:{title:"Шпаргалка ЛР 7",rows:[["В разработке","Phase 6 Wave 1"]]}
};
const TIPS=[
{sec:'lr1',html:"Параграф ЛР 1 будет реализован в Phase 6 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
{sec:'lr2',html:"Параграф ЛР 2 будет реализован в Phase 6 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
{sec:'lr3',html:"Параграф ЛР 3 будет реализован в Phase 6 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
{sec:'lr4',html:"Параграф ЛР 4 будет реализован в Phase 6 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
{sec:'lr5',html:"Параграф ЛР 5 будет реализован в Phase 6 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
{sec:'lr6',html:"Параграф ЛР 6 будет реализован в Phase 6 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."},
{sec:'lr7',html:"Параграф ЛР 7 будет реализован в Phase 6 Wave 1. Используем хелперы из <code>phys.js</code> и <code>optics.js</code>."}
];
const BUILDERS = {
lr1: ()=>{ const box=document.getElementById('lr1-body'); box.innerHTML = buildStub('lr1', 'Изучение явления теплообмена при смешивании воды разной температуры', 'Phase 6 Wave 1') + secNavFor('lr1') + readButton('lr1'); renderMath(box); wireReadBtn('lr1'); },
lr2: ()=>{ const box=document.getElementById('lr2-body'); box.innerHTML = buildStub('lr2', 'Определение удельной теплоёмкости твёрдого тела', 'Phase 6 Wave 1') + secNavFor('lr2') + readButton('lr2'); renderMath(box); wireReadBtn('lr2'); },
lr3: ()=>{ const box=document.getElementById('lr3-body'); box.innerHTML = buildStub('lr3', 'Сборка простейшей электрической цепи и измерение силы тока и напряжения', 'Phase 6 Wave 1') + secNavFor('lr3') + readButton('lr3'); renderMath(box); wireReadBtn('lr3'); },
lr4: ()=>{ const box=document.getElementById('lr4-body'); box.innerHTML = buildStub('lr4', 'Изучение последовательного соединения проводников', 'Phase 6 Wave 1') + secNavFor('lr4') + readButton('lr4'); renderMath(box); wireReadBtn('lr4'); },
lr5: ()=>{ const box=document.getElementById('lr5-body'); box.innerHTML = buildStub('lr5', 'Изучение параллельного соединения проводников', 'Phase 6 Wave 1') + secNavFor('lr5') + readButton('lr5'); renderMath(box); wireReadBtn('lr5'); },
lr6: ()=>{ const box=document.getElementById('lr6-body'); box.innerHTML = buildStub('lr6', 'Определение работы и мощности электрического тока', 'Phase 6 Wave 1') + secNavFor('lr6') + readButton('lr6'); renderMath(box); wireReadBtn('lr6'); },
lr7: ()=>{ const box=document.getElementById('lr7-body'); box.innerHTML = buildStub('lr7', 'Изучение явления отражения света', 'Phase 6 Wave 1') + secNavFor('lr7') + readButton('lr7'); renderMath(box); wireReadBtn('lr7'); }
};
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=>{
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(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)">&#10003; '+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?'&#10003; Верно!':'&#10007; 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>