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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"/>
<title>ShapeMaster</title>
<link rel="manifest" href="manifest.json"/>
<meta name="theme-color" content="#FBBF24"/>
<link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Teko:wght@600;700&display=swap" rel="stylesheet"/>
<style>
:root{
--black:#0a0a0a; --white:#fefce8; --yellow:#FBBF24;
--pink:#F472B6; --blue:#60A5FA; --green:#34D399;
--red:#F87171; --orange:#FB923C;
--b3:3px solid #0a0a0a; --b2:2px solid #0a0a0a;
--sh:5px 5px 0 #0a0a0a; --sh-sm:3px 3px 0 #0a0a0a; --sh-lg:8px 8px 0 #0a0a0a;
--fd:'Teko',sans-serif; --fm:'Space Mono',monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;width:100%;overflow:hidden;background:var(--white);font-family:var(--fm);color:var(--black);}
.screen{display:none;flex-direction:column;height:100dvh;width:100%;overflow:hidden;position:absolute;top:0;left:0;}
.screen.active{display:flex;}
/* grid bg helper */
.grid-bg::before{content:'';position:absolute;inset:0;pointer-events:none;
background-image:repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(0,0,0,.07) 39px,rgba(0,0,0,.07) 40px),
repeating-linear-gradient(90deg,transparent,transparent 39px,rgba(0,0,0,.07) 39px,rgba(0,0,0,.07) 40px);}
/* ── ONBOARD ── */
#screen-onboard{background:var(--yellow);align-items:center;justify-content:center;position:relative;}
.ob-box{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:18px;width:90%;max-width:380px;}
.logo-blk{background:var(--black);color:var(--yellow);font-family:var(--fd);font-size:clamp(52px,14vw,80px);
letter-spacing:2px;padding:8px 24px;border:var(--b3);box-shadow:var(--sh-lg);line-height:1;text-align:center;}
.logo-sub{font-size:11px;font-weight:700;letter-spacing:4px;text-transform:uppercase;
border:var(--b3);background:var(--white);padding:5px 14px;box-shadow:var(--sh-sm);}
.shapes-row{display:flex;gap:12px;align-items:center;justify-content:center;padding:2px 0;}
.sp{width:44px;height:44px;border:3px solid var(--black);box-shadow:var(--sh-sm);}
.sp.c{border-radius:50%;background:var(--pink);}
.sp.s{background:var(--blue);}
.sp.t{width:0;height:0;border:none;box-shadow:none;
border-left:22px solid transparent;border-right:22px solid transparent;border-bottom:44px solid var(--green);
filter:drop-shadow(3px 3px 0 var(--black));background:transparent;}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.sp{animation:bob 2s ease-in-out infinite;}
.sp:nth-child(2){animation-delay:.25s;} .sp:nth-child(3){animation-delay:.5s;}
.name-card{background:var(--white);border:var(--b3);box-shadow:var(--sh-lg);padding:22px 18px;width:100%;
display:flex;flex-direction:column;gap:10px;}
.name-lbl{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;}
.name-in{font-family:var(--fm);font-size:18px;font-weight:700;border:var(--b3);padding:11px 12px;
background:var(--white);color:var(--black);outline:none;width:100%;}
.name-in:focus{box-shadow:var(--sh-sm);}
.name-in::placeholder{color:#bbb;}
.name-err{font-size:11px;color:var(--red);font-weight:700;display:none;}
/* ── HOME ── */
#screen-home{background:var(--yellow);align-items:center;justify-content:center;position:relative;}
.home-in{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:13px;width:90%;max-width:380px;}
.home-greet{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;
background:var(--black);color:var(--yellow);padding:5px 12px;border:var(--b3);}
.home-logo{background:var(--black);color:var(--yellow);font-family:var(--fd);
font-size:clamp(50px,14vw,78px);letter-spacing:2px;padding:8px 24px;
border:var(--b3);box-shadow:var(--sh-lg);line-height:1;text-align:center;}
.hbadge{background:var(--black);color:var(--yellow);font-size:10px;font-weight:700;
letter-spacing:2px;text-transform:uppercase;padding:4px 10px;border:var(--b3);display:none;}
/* ── BUTTONS ── */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;
font-family:var(--fd);font-size:22px;letter-spacing:1px;text-transform:uppercase;
padding:12px 24px;border:var(--b3);cursor:pointer;
transition:transform .07s,box-shadow .07s;user-select:none;
box-shadow:var(--sh);width:100%;background:var(--white);color:var(--black);
-webkit-tap-highlight-color:transparent;}
.btn:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--black);}
.btn-k{background:var(--black);color:var(--yellow);}
.btn-p{background:var(--pink);}
.btn-g{background:var(--green);}
.btn-r{background:var(--red);}
.btn-sm{font-size:14px;padding:8px 12px;box-shadow:var(--sh-sm);}
.btn-ic{width:44px;height:44px;padding:0;font-size:18px;flex-shrink:0;box-shadow:var(--sh-sm);}
/* ── LEVELS ── */
#screen-levels{background:var(--white);}
.shdr{background:var(--black);color:var(--yellow);font-family:var(--fd);font-size:26px;
letter-spacing:2px;padding:12px 14px;display:flex;align-items:center;gap:10px;
border-bottom:var(--b3);flex-shrink:0;}
.lvgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:14px;overflow-y:auto;flex:1;}
.lv{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
border:var(--b3);box-shadow:var(--sh-sm);cursor:pointer;background:var(--white);
position:relative;user-select:none;-webkit-tap-highlight-color:transparent;
transition:transform .07s,box-shadow .07s;}
.lv:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--black);}
.lv.locked{opacity:.4;cursor:not-allowed;background:#e5e7eb;}
.lv.done{background:var(--green);}
.lv.cur{background:var(--yellow);}
.lv-n{font-family:var(--fd);font-size:22px;line-height:1;}
.lv-st{font-size:10px;}
.lv-th{font-size:8px;font-weight:700;position:absolute;top:3px;right:3px;
background:var(--black);color:var(--yellow);padding:1px 3px;}
/* ── GAME ── */
#screen-game{background:var(--white);}
.g-top{display:flex;align-items:center;gap:8px;padding:10px 12px;
background:var(--black);flex-shrink:0;border-bottom:var(--b3);}
.g-info{flex:1;display:flex;flex-direction:column;}
.g-mode{font-size:10px;color:var(--yellow);letter-spacing:2px;text-transform:uppercase;}
.g-title{font-family:var(--fd);font-size:22px;color:var(--white);line-height:1;}
.g-seq{display:flex;align-items:center;gap:6px;padding:8px 12px;
border-bottom:var(--b3);overflow-x:auto;flex-shrink:0;background:var(--white);}
.si{display:flex;align-items:center;justify-content:center;width:36px;height:36px;
flex-shrink:0;border:var(--b2);font-size:17px;background:var(--white);}
.si.done{background:var(--green);}
.si.cur{background:var(--yellow);box-shadow:var(--sh-sm);}
.si.pend{opacity:.35;}
.g-tgt{flex-shrink:0;display:flex;flex-direction:column;align-items:center;padding:8px 12px 4px;gap:4px;}
.g-tgt-lbl{font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#666;}
#target-canvas{border:var(--b3);box-shadow:var(--sh-sm);background:var(--black);display:block;}
.g-draw{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden;}
#draw-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair;background:#f8f7f2;border-top:var(--b3);}
.g-ctrl{display:flex;gap:8px;padding:10px 12px;border-top:var(--b3);flex-shrink:0;background:var(--white);}
/* ── BLITZ ── */
#screen-blitz{background:var(--black);color:var(--white);}
.bl-top{display:flex;align-items:center;justify-content:space-between;
padding:10px 14px;border-bottom:3px solid var(--yellow);flex-shrink:0;}
.bl-ttl{font-family:var(--fd);font-size:28px;color:var(--yellow);letter-spacing:2px;}
.bl-sc-w{display:flex;flex-direction:column;align-items:flex-end;}
.bl-sc{font-family:var(--fd);font-size:30px;color:var(--yellow);line-height:1;}
.bl-sc-l{font-size:10px;color:#aaa;letter-spacing:2px;}
.bl-tw{height:8px;background:#333;border-bottom:2px solid var(--yellow);flex-shrink:0;}
.bl-tb{height:100%;background:var(--yellow);width:100%;transition:width .5s linear,background .8s;}
.bl-tr{flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:8px 14px;gap:14px;}
.bl-cnt{font-family:var(--fd);font-size:22px;color:var(--yellow);min-width:42px;text-align:center;}
#blitz-target-canvas{border:2px solid var(--yellow);background:#111;display:block;}
.bl-hint{font-size:10px;color:#888;letter-spacing:2px;}
#blitz-draw-canvas{display:block;width:100%;touch-action:none;cursor:crosshair;
background:#111;border-top:2px solid var(--yellow);}
.bl-ctrl{display:flex;gap:8px;padding:10px 12px;border-top:2px solid var(--yellow);flex-shrink:0;}
.bl-btn{font-family:var(--fd);font-size:18px;padding:10px 20px;border:2px solid var(--yellow);
cursor:pointer;background:var(--yellow);color:var(--black);
transition:transform .07s;flex:1;text-transform:uppercase;-webkit-tap-highlight-color:transparent;}
.bl-btn:active{transform:scale(.97);}
.bl-btn.sec{background:transparent;color:var(--yellow);}
.bl-exit{background:none;border:1px solid #555;color:#aaa;font-family:var(--fm);
padding:5px 10px;cursor:pointer;font-size:11px;-webkit-tap-highlight-color:transparent;}
/* ── RESULTS ── */
#screen-results{background:var(--yellow);align-items:center;justify-content:center;padding:24px;position:relative;}
#screen-results::before{content:'';position:absolute;inset:0;
background-image:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(0,0,0,.04) 10px,rgba(0,0,0,.04) 11px);
pointer-events:none;}
.rc{position:relative;z-index:1;background:var(--white);border:var(--b3);box-shadow:var(--sh-lg);
padding:22px;width:100%;max-width:360px;display:flex;flex-direction:column;align-items:center;gap:11px;}
.rc-title{font-family:var(--fd);font-size:36px;letter-spacing:2px;text-align:center;}
.rc-player{font-size:10px;font-weight:700;letter-spacing:3px;color:#777;}
.rc-big{font-family:var(--fd);font-size:70px;line-height:1;}
.rc-row{display:flex;gap:8px;width:100%;}
.rc-stat{flex:1;border:var(--b3);padding:8px;display:flex;flex-direction:column;align-items:center;box-shadow:var(--sh-sm);}
.rc-sn{font-family:var(--fd);font-size:28px;line-height:1;}
.rc-sl{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#555;}
/* ── FEEDBACK ── */
.fbo{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
background:rgba(0,0,0,.55);opacity:0;pointer-events:none;transition:opacity .18s;}
.fbo.show{opacity:1;pointer-events:all;}
.fbc{background:var(--white);border:var(--b3);box-shadow:var(--sh-lg);padding:24px;
width:90%;max-width:290px;display:flex;flex-direction:column;align-items:center;gap:12px;
transform:scale(.88);transition:transform .18s;}
.fbo.show .fbc{transform:scale(1);}
.fb-ico{font-size:46px;line-height:1;}
.fb-pct{font-family:var(--fd);font-size:58px;line-height:1;}
.fb-bw{width:100%;height:16px;border:var(--b3);background:#e5e7eb;}
.fb-b{height:100%;width:0;transition:width .5s;}
.fb-msg{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;text-align:center;}
/* ── TOAST ── */
#toast{position:fixed;bottom:84px;left:50%;transform:translateX(-50%) translateY(14px);
background:var(--black);color:var(--white);font-size:11px;font-weight:700;
letter-spacing:2px;text-transform:uppercase;padding:9px 18px;border:2px solid var(--yellow);
opacity:0;transition:opacity .18s,transform .18s;pointer-events:none;white-space:nowrap;z-index:300;}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
</style>
</head>
<body>
<!-- ══════════ ONBOARD ══════════ -->
<div id="screen-onboard" class="screen grid-bg">
<div class="ob-box" style="position:relative;z-index:1;margin:auto;">
<div class="logo-blk">SHAPE<br>MASTER</div>
<div class="logo-sub">Draw. Match. Master.</div>
<div class="shapes-row">
<div class="sp c"></div>
<div class="sp s"></div>
<div class="sp t"></div>
</div>
<div class="name-card">
<div class="name-lbl">👤 Enter Your Name</div>
<input id="name-input" class="name-in" type="text" maxlength="18"
placeholder="e.g. Taqnik" autocomplete="off" autocorrect="off" spellcheck="false"/>
<div id="name-err" class="name-err">⚠ Please enter a name to continue!</div>
<button class="btn btn-k" onclick="confirmName()">LET'S PLAY →</button>
</div>
</div>
</div>
<!-- ══════════ HOME ══════════ -->
<div id="screen-home" class="screen grid-bg">
<div class="home-in" style="margin:auto;">
<div class="home-greet" id="home-greet">WELCOME!</div>
<div class="home-logo">SHAPE<br>MASTER</div>
<div class="shapes-row">
<div class="sp c"></div><div class="sp s"></div><div class="sp t"></div>
</div>
<button class="btn btn-k" onclick="showScreen('levels')">▶ CLASSIC MODE</button>
<button class="btn btn-p" onclick="startBlitz()">⚡ BLITZ MODE</button>
<div class="hbadge" id="hbadge"></div>
<button class="btn btn-sm" onclick="changeName()"
style="width:auto;box-shadow:none;border:var(--b2);font-size:12px;padding:6px 14px;">✏ Change Name</button>
</div>
</div>
<!-- ══════════ LEVELS ══════════ -->
<div id="screen-levels" class="screen">
<div class="shdr">
<button class="btn btn-ic btn-sm" onclick="showScreen('home')" style="background:var(--yellow);">←</button>
CLASSIC LEVELS
</div>
<div class="lvgrid" id="lvgrid"></div>
</div>
<!-- ══════════ GAME ══════════ -->
<div id="screen-game" class="screen">
<div class="g-top">
<button class="btn btn-ic btn-sm" onclick="exitGame()" style="background:var(--yellow);font-size:16px;">✕</button>
<div class="g-info">
<div class="g-mode" id="g-mode">CLASSIC</div>
<div class="g-title" id="g-title">LEVEL 1</div>
</div>
</div>
<div class="g-seq" id="g-seq"></div>
<div class="g-tgt">
<div class="g-tgt-lbl">DRAW THIS SHAPE ↓</div>
<canvas id="target-canvas" width="110" height="110"></canvas>
</div>
<div class="g-draw">
<canvas id="draw-canvas"></canvas>
</div>
<div class="g-ctrl">
<button class="btn btn-ic btn-sm" onclick="undoStroke()">↩</button>
<button class="btn btn-sm btn-r" onclick="clearDrawing()" style="flex:1;">CLEAR</button>
<button class="btn btn-sm btn-k" onclick="submitDrawing()" style="flex:2;">SUBMIT ✓</button>
</div>
</div>
<!-- ══════════ BLITZ ══════════ -->
<div id="screen-blitz" class="screen">
<div class="bl-top">
<button class="bl-exit" onclick="exitBlitz()">✕ EXIT</button>
<div class="bl-ttl">⚡ BLITZ</div>
<div class="bl-sc-w">
<div class="bl-sc" id="bl-score">0</div>
<div class="bl-sc-l">SCORE</div>
</div>
</div>
<div class="bl-tw"><div class="bl-tb" id="bl-tbar"></div></div>
<div class="bl-tr">
<div class="bl-cnt" id="bl-cnt">60</div>
<canvas id="blitz-target-canvas" width="90" height="90"></canvas>
<div class="bl-hint">← DRAW THIS</div>
</div>
<canvas id="blitz-draw-canvas" style="flex:1;"></canvas>
<div class="bl-ctrl">
<button class="bl-btn sec" onclick="blitzClear()">CLEAR</button>
<button class="bl-btn" onclick="blitzSubmit()">SUBMIT ✓</button>
</div>
</div>
<!-- ══════════ RESULTS ══════════ -->
<div id="screen-results" class="screen">
<div class="rc" style="margin:auto;">
<div class="rc-title" id="rc-title">LEVEL COMPLETE!</div>
<div class="rc-player" id="rc-player"></div>
<div style="font-size:44px;" id="rc-icon">🏆</div>
<div class="rc-big" id="rc-big">100%</div>
<div class="rc-row">
<div class="rc-stat" style="background:var(--green);">
<div class="rc-sn" id="rc-shapes">0</div><div class="rc-sl">Shapes</div>
</div>
<div class="rc-stat" style="background:var(--blue);">
<div class="rc-sn" id="rc-avg">0%</div><div class="rc-sl">Avg Match</div>
</div>
<div class="rc-stat" style="background:var(--yellow);">
<div class="rc-sn" id="rc-score">0</div><div class="rc-sl">Score</div>
</div>
</div>
<button class="btn btn-k" id="rc-next" onclick="resultsNext()">NEXT LEVEL →</button>
<button class="btn btn-sm" onclick="showScreen('home')">🏠 HOME</button>
</div>
</div>
<!-- ══════════ FEEDBACK OVERLAY ══════════ -->
<div class="fbo" id="fbo">
<div class="fbc">
<div class="fb-ico" id="fb-ico">🎯</div>
<div class="fb-pct" id="fb-pct">85%</div>
<div class="fb-bw"><div class="fb-b" id="fb-b"></div></div>
<div class="fb-msg" id="fb-msg">GREAT!</div>
<button class="btn btn-k btn-sm" id="fb-btn" onclick="dismissFb()" style="width:100%;">NEXT →</button>
</div>
</div>
<div id="toast"></div>
<script>
'use strict';
/* ──────────────────────────────────────────
LEVELS
────────────────────────────────────────── */
const LEVELS = [
{n:1, shapes:['circle'], th:50},
{n:2, shapes:['square'], th:50},
{n:3, shapes:['triangle'], th:50},
{n:4, shapes:['circle','square'], th:50},
{n:5, shapes:['triangle','circle'], th:50},
{n:6, shapes:['circle','square'], th:60},
{n:7, shapes:['triangle','square'], th:60},
{n:8, shapes:['circle','square','triangle'], th:60},
{n:9, shapes:['square','triangle','circle'], th:60},
{n:10, shapes:['triangle','triangle','circle'], th:60},
{n:11, shapes:['circle','square','circle'], th:70},
{n:12, shapes:['triangle','square','triangle'], th:70},
{n:13, shapes:['circle','triangle','square','circle'], th:70},
{n:14, shapes:['square','circle','triangle','square'], th:80},
{n:15, shapes:['triangle','circle','square','triangle'],th:80},
{n:16, shapes:['circle','circle','square','triangle'], th:90},
{n:17, shapes:['square','triangle','circle','square'], th:90},
{n:18, shapes:['triangle','square','triangle','circle'],th:100},
{n:19, shapes:['circle','square','triangle','circle','square'],th:100},
{n:20, shapes:['square','triangle','circle','square','triangle'],th:100},
];
const SYM = {circle:'●', square:'■', triangle:'▲'};
const SHAPES = ['circle','square','triangle'];
/* ──────────────────────────────────────────
STATE
────────────────────────────────────────── */
let APP = { playerName:'', unlockedLevels:1, completedLevels:[], levelStars:{}, blitzHigh:0 };
let GS = { levelIdx:0, shapeIdx:0, scores:[] };
let BZ = { active:false, timeLeft:60, interval:null, count:0, matchSum:0, score:0, shape:'' };
/* Drawing state — single shared state for main + blitz canvas */
let D = {
canvas: null, ctx: null,
isBlitz: false,
drawing: false,
strokes: [], // array of point-arrays
cur: [], // current stroke points
lx:0, ly:0, lt:0,
autoT: null
};
/* ──────────────────────────────────────────
PERSISTENCE
────────────────────────────────────────── */
function save() { try { localStorage.setItem('sm3', JSON.stringify(APP)); } catch(e){} }
function load() {
try { const s = JSON.parse(localStorage.getItem('sm3'));
if (s) Object.assign(APP, s); } catch(e){}
}
/* ──────────────────────────────────────────
SCREENS
────────────────────────────────────────── */
function showScreen(id) {
document.querySelectorAll('.screen').forEach(s => s.classList.remove('active'));
const el = document.getElementById('screen-' + id);
if (!el) return;
el.classList.add('active');
if (id === 'home') refreshHome();
if (id === 'levels') buildLevels();
}
/* ──────────────────────────────────────────
NAME / ONBOARD
────────────────────────────────────────── */
function confirmName() {
const v = document.getElementById('name-input').value.trim();
const e = document.getElementById('name-err');
if (!v) { e.style.display = 'block'; return; }
e.style.display = 'none';
APP.playerName = v;
save();
showScreen('home');
}
document.getElementById('name-input').addEventListener('keydown', e => { if (e.key === 'Enter') confirmName(); });
function changeName() {
document.getElementById('name-input').value = APP.playerName;
document.getElementById('name-err').style.display = 'none';
showScreen('onboard');
}
/* ──────────────────────────────────────────
HOME
────────────────────────────────────────── */
function refreshHome() {
const done = APP.completedLevels.length;
const g = document.getElementById('home-greet');
g.textContent = done > 0
? `👋 ${APP.playerName.toUpperCase()} — LVL ${done} DONE!`
: `HEY ${APP.playerName.toUpperCase()}! READY?`;
const b = document.getElementById('hbadge');
if (APP.blitzHigh > 0) { b.style.display='block'; b.textContent=`⚡ BLITZ BEST: ${APP.blitzHigh}`; }
}
/* ──────────────────────────────────────────
LEVEL SELECT
────────────────────────────────────────── */
function buildLevels() {
const g = document.getElementById('lvgrid'); g.innerHTML = '';
LEVELS.forEach((lvl, i) => {
const el = document.createElement('div');
const done = APP.completedLevels.includes(i);
const locked = i >= APP.unlockedLevels;
const cur = i === APP.unlockedLevels - 1 && !done;
el.className = 'lv' + (locked?' locked':done?' done':cur?' cur':'');
const st = APP.levelStars[i] || 0;
el.innerHTML = `<div class="lv-th">${lvl.th}%</div>${locked?'<span style="font-size:16px;">🔒</span>':''}
<div class="lv-n">${lvl.n}</div><div class="lv-st">${'★'.repeat(st)}${'☆'.repeat(3-st)}</div>`;
if (!locked) el.addEventListener('click', () => startLevel(i));
g.appendChild(el);
});
}
/* ──────────────────────────────────────────
DRAW TARGET SHAPE
────────────────────────────────────────── */
function drawTarget(canvas, shape, color) {
const ctx = canvas.getContext('2d');
const W = canvas.width, H = canvas.height;
const cx = W/2, cy = H/2;
const pad = W * 0.13;
const r = W/2 - pad;
ctx.clearRect(0, 0, W, H);
ctx.fillStyle = '#0a0a0a'; ctx.fillRect(0, 0, W, H);
ctx.strokeStyle = color || '#FBBF24';
ctx.lineWidth = Math.max(3, W * 0.05);
ctx.lineJoin = 'round'; ctx.lineCap = 'round';
ctx.beginPath();
if (shape === 'circle') {
ctx.arc(cx, cy, r, 0, Math.PI * 2);
} else if (shape === 'square') {
ctx.rect(pad, pad, W - pad*2, H - pad*2);
} else if (shape === 'triangle') {
ctx.moveTo(cx, cy - r);
ctx.lineTo(cx + r * Math.sin(2*Math.PI/3*2), cy - r * Math.cos(2*Math.PI/3*2));
ctx.lineTo(cx + r * Math.sin(2*Math.PI/3), cy - r * Math.cos(2*Math.PI/3));
ctx.closePath();
}
ctx.stroke();
}
/* ──────────────────────────────────────────
CANVAS SETUP — call after screen visible
────────────────────────────────────────── */
function setupCanvas(rawEl, isBlitz) {
/* Fully replace element to wipe old listeners */
const fresh = rawEl.cloneNode(false);
rawEl.parentNode.replaceChild(fresh, rawEl);
D.canvas = fresh;
D.ctx = fresh.getContext('2d');
D.isBlitz = isBlitz;
D.strokes = []; D.cur = []; D.drawing = false;
fresh.style.touchAction = 'none';
fresh.addEventListener('pointerdown', pd, {passive:false});
fresh.addEventListener('pointermove', pm, {passive:false});
fresh.addEventListener('pointerup', pu, {passive:false});
fresh.addEventListener('pointercancel', pu, {passive:false});
sizeCanvas();
return fresh;
}
function sizeCanvas() {
if (!D.canvas) return;
const r = D.canvas.getBoundingClientRect();
if (r.width < 1 || r.height < 1) return;
const dpr = window.devicePixelRatio || 1;
D.canvas.width = Math.round(r.width * dpr);
D.canvas.height = Math.round(r.height * dpr);
D.ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
redrawAll();
}
function xy(e) {
const r = D.canvas.getBoundingClientRect();
return {
x: (e.clientX != null ? e.clientX : e.changedTouches[0].clientX) - r.left,
y: (e.clientY != null ? e.clientY : e.changedTouches[0].clientY) - r.top
};
}
function pd(e) {
e.preventDefault();
try { D.canvas.setPointerCapture(e.pointerId); } catch(_){}
D.drawing = true;
const p = xy(e);
D.cur = [p]; D.lx = p.x; D.ly = p.y; D.lt = Date.now();
clearAuto();
}
function pm(e) {
e.preventDefault();
if (!D.drawing) return;
const p = xy(e);
const now = Date.now();
const dt = Math.max(now - D.lt, 1);
const spd = Math.hypot(p.x - D.lx, p.y - D.ly) / dt;
const lw = Math.max(2, Math.min(9, 11 - spd * 9));
D.ctx.strokeStyle = D.isBlitz ? '#FBBF24' : '#0a0a0a';
D.ctx.lineWidth = lw; D.ctx.lineJoin = 'round'; D.ctx.lineCap = 'round';
D.ctx.beginPath(); D.ctx.moveTo(D.lx, D.ly); D.ctx.lineTo(p.x, p.y); D.ctx.stroke();
D.cur.push(p); D.lx = p.x; D.ly = p.y; D.lt = now;
}
function pu(e) {
e.preventDefault();
if (!D.drawing) return;
D.drawing = false;
if (D.cur.length > 1) D.strokes.push([...D.cur]);
D.cur = [];
if (!D.isBlitz && D.strokes.length > 0) schedAuto();
}
function redrawAll() {
if (!D.ctx || !D.canvas) return;
const dpr = window.devicePixelRatio || 1;
D.ctx.clearRect(0, 0, D.canvas.width/dpr, D.canvas.height/dpr);
D.strokes.forEach(s => {
if (s.length < 2) return;
D.ctx.strokeStyle = D.isBlitz ? '#FBBF24' : '#0a0a0a';
D.ctx.lineWidth = 3; D.ctx.lineJoin = 'round'; D.ctx.lineCap = 'round';
D.ctx.beginPath(); D.ctx.moveTo(s[0].x, s[0].y);
s.slice(1).forEach(p => D.ctx.lineTo(p.x, p.y)); D.ctx.stroke();
});
}
function clearDrawing() {
clearAuto(); D.strokes = []; D.cur = []; D.drawing = false; redrawAll();
}
function undoStroke() {
if (!D.strokes.length) return;
D.strokes.pop(); redrawAll(); clearAuto(); toast('UNDONE!');
}
function schedAuto() {
clearAuto();
D.autoT = setTimeout(() => { if (D.strokes.length > 0) submitDrawing(); }, 1800);
}
function clearAuto() { if (D.autoT) { clearTimeout(D.autoT); D.autoT = null; } }
/* ──────────────────────────────────────────
SHAPE MATCHING ENGINE (IoU, 8 rotations)
────────────────────────────────────────── */
function matchScore(shape) {
const pts = D.strokes.flat();
if (pts.length < 6) return 0;
const SZ = 200;
/* Normalise user points to SZ×SZ */
let x0=Infinity,y0=Infinity,x1=-Infinity,y1=-Infinity;
pts.forEach(p=>{x0=Math.min(x0,p.x);y0=Math.min(y0,p.y);x1=Math.max(x1,p.x);y1=Math.max(y1,p.y);});
const uw=x0===x1?1:x1-x0, uh=y0===y1?1:y1-y0;
const sc = (SZ * 0.75) / Math.max(uw, uh);
const ox = (SZ - uw*sc)/2 - x0*sc;
const oy = (SZ - uh*sc)/2 - y0*sc;
/* Ideal raster */
const ic = document.createElement('canvas'); ic.width=ic.height=SZ;
rasterIdeal(ic.getContext('2d'), shape, SZ);
const ip = ic.getContext('2d').getImageData(0,0,SZ,SZ).data;
const angles=[0,22.5,-22.5,45,-45,67.5,-67.5,90];
let best=0;
const cx=SZ/2, cy=SZ/2;
angles.forEach(deg=>{
const rad=deg*Math.PI/180, cos=Math.cos(rad), sin=Math.sin(rad);
const uc=document.createElement('canvas'); uc.width=uc.height=SZ;
const ux=uc.getContext('2d');
ux.fillStyle='#000'; ux.fillRect(0,0,SZ,SZ);
ux.strokeStyle='#fff'; ux.lineWidth=12; ux.lineJoin='round'; ux.lineCap='round';
D.strokes.forEach(s=>{
if(s.length<2) return;
ux.beginPath();
s.forEach((p,i)=>{
const nx=p.x*sc+ox-cx, ny=p.y*sc+oy-cy;
const rx=nx*cos-ny*sin+cx, ry=nx*sin+ny*cos+cy;
i===0 ? ux.moveTo(rx,ry) : ux.lineTo(rx,ry);
});
ux.stroke();
});
const up=ux.getImageData(0,0,SZ,SZ).data;
let inter=0, union=0;
for(let i=0;i<up.length;i+=4){
const u=up[i]>100, d=ip[i]>100;
if(u&&d) inter++;
if(u||d) union++;
}
const iou = union===0 ? 0 : inter/union;
if(iou>best) best=iou;
});
return Math.round(best * 100);
}
function rasterIdeal(ctx, shape, SZ) {
const pad=SZ*0.13, r=SZ/2-pad, cx=SZ/2, cy=SZ/2;
ctx.fillStyle='#000'; ctx.fillRect(0,0,SZ,SZ);
ctx.strokeStyle='#fff'; ctx.lineWidth=13;
ctx.lineJoin='round'; ctx.lineCap='round';
ctx.beginPath();
if (shape==='circle') {
ctx.arc(cx,cy,r,0,Math.PI*2);
} else if (shape==='square') {
ctx.rect(pad,pad,SZ-pad*2,SZ-pad*2);
} else if (shape==='triangle') {
ctx.moveTo(cx, cy-r);
ctx.lineTo(cx+r*Math.sin(2*Math.PI/3*2), cy-r*Math.cos(2*Math.PI/3*2));
ctx.lineTo(cx+r*Math.sin(2*Math.PI/3), cy-r*Math.cos(2*Math.PI/3));
ctx.closePath();
}
ctx.stroke();
}
/* ──────────────────────────────────────────
CLASSIC LEVEL
────────────────────────────────────────── */
function startLevel(idx) {
GS.levelIdx = idx; GS.shapeIdx = 0; GS.scores = [];
showScreen('game');
document.getElementById('g-mode').textContent = 'CLASSIC';
document.getElementById('g-title').textContent = `LEVEL ${LEVELS[idx].n}`;
/* Canvas must be set up after the screen is visible so getBoundingClientRect works */
requestAnimationFrame(()=>{
requestAnimationFrame(()=>{
setupCanvas(document.getElementById('draw-canvas'), false);
renderLevel();
});
});
}
function renderLevel() {
const lvl = LEVELS[GS.levelIdx];
const shape = lvl.shapes[GS.shapeIdx];
/* sequence bar */
const bar = document.getElementById('g-seq'); bar.innerHTML = '';
lvl.shapes.forEach((s,i)=>{
const d=document.createElement('div');
d.className='si '+(i<GS.shapeIdx?'done':i===GS.shapeIdx?'cur':'pend');
d.textContent=SYM[s]; bar.appendChild(d);
});
drawTarget(document.getElementById('target-canvas'), shape);
clearDrawing();
}
function submitDrawing() {
clearAuto();
if (!D.strokes.length) { toast('DRAW SOMETHING!'); return; }
const lvl = LEVELS[GS.levelIdx];
const shape = lvl.shapes[GS.shapeIdx];
const pct = matchScore(shape);
const pass = pct >= lvl.th;
showFb(pct, pass, ()=>{
GS.scores.push(pct);
if (pass) {
GS.shapeIdx++;
if (GS.shapeIdx >= lvl.shapes.length) levelDone();
else renderLevel();
} else {
clearDrawing();
}
});
}
function levelDone() {
const lvl = LEVELS[GS.levelIdx];
const avg = Math.round(GS.scores.reduce((a,b)=>a+b,0)/GS.scores.length);
const score= Math.round(avg * lvl.shapes.length * lvl.th / 10);
const stars= avg>=98?3:avg>=85?2:1;
if (GS.levelIdx+1 < LEVELS.length)
APP.unlockedLevels = Math.max(APP.unlockedLevels, GS.levelIdx+2);
if (!APP.completedLevels.includes(GS.levelIdx)) APP.completedLevels.push(GS.levelIdx);
APP.levelStars[GS.levelIdx] = Math.max(APP.levelStars[GS.levelIdx]||0, stars);
save();
showResults('LEVEL COMPLETE!', stars===3?'🏆':stars===2?'⭐':'✅',
avg+'%', lvl.shapes.length, avg, score,
GS.levelIdx+1 < LEVELS.length ? GS.levelIdx+2 : null);
}
function resultsNext() {
if (GS.levelIdx+1 < LEVELS.length) startLevel(GS.levelIdx+1);
}
function exitGame() { clearAuto(); stopBlitz(); clearDrawing(); showScreen('home'); }
/* ──────────────────────────────────────────
FEEDBACK OVERLAY
────────────────────────────────────────── */
let fbCb = null;
function showFb(pct, pass, cb) {
fbCb = cb;
document.getElementById('fb-ico').textContent = pass?(pct>=98?'💯':pct>=90?'🎯':'✅'):(pct>=55?'🔄':'💪');
document.getElementById('fb-pct').textContent = pct+'%';
document.getElementById('fb-msg').textContent = pass
?(pct>=98?'PERFECT!':pct>=88?'EXCELLENT!':'GOOD MATCH!')
:(pct>=60?'ALMOST! TRY AGAIN':pct>=35?'KEEP TRYING!':'DRAW SLOWER!');
document.getElementById('fb-btn').textContent = pass ? 'NEXT →' : 'RETRY ↩';
const bar = document.getElementById('fb-b');
bar.style.transition = 'none'; bar.style.width = '0%';
bar.style.background = pct>=80?'var(--green)':pct>=50?'var(--yellow)':'var(--red)';
document.getElementById('fbo').classList.add('show');
requestAnimationFrame(()=>{ bar.style.transition='width .5s'; bar.style.width=pct+'%'; });
}
function dismissFb() {
document.getElementById('fbo').classList.remove('show');
if (fbCb) { const fn=fbCb; fbCb=null; fn(); }
}
/* ──────────────────────────────────────────
BLITZ MODE
────────────────────────────────────────── */
function startBlitz() {
Object.assign(BZ, {active:true,timeLeft:60,count:0,matchSum:0,score:0,shape:'',interval:null});
showScreen('blitz');
requestAnimationFrame(()=>{
requestAnimationFrame(()=>{
setupCanvas(document.getElementById('blitz-draw-canvas'), true);
document.getElementById('bl-score').textContent = '0';
document.getElementById('bl-tbar').style.width = '100%';
document.getElementById('bl-tbar').style.background = 'var(--yellow)';
document.getElementById('bl-cnt').textContent = '60';
newBlitzShape();
BZ.interval = setInterval(blitzTick, 500);
});
});
}
function newBlitzShape() {
BZ.shape = SHAPES[Math.floor(Math.random()*3)];
drawTarget(document.getElementById('blitz-target-canvas'), BZ.shape, '#FBBF24');
clearDrawing();
}
function blitzSubmit() {
if (!BZ.active) return;
if (!D.strokes.length) { toast('DRAW FIRST!'); return; }
const pct = matchScore(BZ.shape);
BZ.matchSum += pct; BZ.count++;
BZ.score = Math.round((BZ.matchSum/BZ.count) * BZ.count / 10);
document.getElementById('bl-score').textContent = BZ.score;
toast(pct+'% '+(pct>=80?'🔥':pct>=55?'👍':'💪'));
newBlitzShape();
}
function blitzClear() { clearDrawing(); }
function blitzTick() {
if (!BZ.active) return;
BZ.timeLeft -= 0.5;
const bar = document.getElementById('bl-tbar');
bar.style.width = (BZ.timeLeft/60*100)+'%';
if (BZ.timeLeft<=10) bar.style.background='var(--red)';
else if (BZ.timeLeft<=20) bar.style.background='var(--orange)';
document.getElementById('bl-cnt').textContent = Math.ceil(BZ.timeLeft);
if (BZ.timeLeft<=0) endBlitz();
}
function endBlitz() {
stopBlitz();
if (BZ.score > APP.blitzHigh) { APP.blitzHigh = BZ.score; save(); }
const avg = BZ.count>0 ? Math.round(BZ.matchSum/BZ.count) : 0;
showResults('⚡ BLITZ OVER!','⚡', BZ.score, BZ.count, avg, BZ.score, null);
}
function stopBlitz() {
BZ.active = false;
if (BZ.interval) { clearInterval(BZ.interval); BZ.interval=null; }
}
function exitBlitz() { stopBlitz(); clearDrawing(); showScreen('home'); }
/* ──────────────────────────────────────────
RESULTS
────────────────────────────────────────── */
function showResults(title, icon, big, shapes, avg, score, nextNum) {
document.getElementById('rc-title').textContent = title;
document.getElementById('rc-icon').textContent = icon;
document.getElementById('rc-big').textContent = big;
document.getElementById('rc-shapes').textContent = shapes;
document.getElementById('rc-avg').textContent = avg+'%';
document.getElementById('rc-score').textContent = score;
document.getElementById('rc-player').textContent = APP.playerName.toUpperCase();
const nb = document.getElementById('rc-next');
if (nextNum) { nb.style.display=''; nb.textContent=`LEVEL ${nextNum} →`; }
else nb.style.display='none';
showScreen('results');
}
/* ──────────────────────────────────────────
TOAST
────────────────────────────────────────── */
let toastT = null;
function toast(msg) {
const t = document.getElementById('toast'); t.textContent = msg; t.classList.add('show');
if (toastT) clearTimeout(toastT);
toastT = setTimeout(()=>t.classList.remove('show'), 1600);
}
/* ──────────────────────────────────────────
RESIZE
────────────────────────────────────────── */
window.addEventListener('resize', ()=>{ if (D.canvas) sizeCanvas(); });
/* ──────────────────────────────────────────
INIT
────────────────────────────────────────── */
load();
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