/* Controls whether the home cinematic intro plays, and builds the cascading bot swarm. Mintlify auto-includes any root .js file (runs after the page is interactive). The intro is display:none by default (see style.css); this opts IN by adding .vy-intro-play to . ALWAYS_PLAY = true -> plays on every load (dev/review). Flip to false before the prod push for once-per-browser. ?intro (or ?replay) on the URL force-replays and clears the flag. */ (function () { var ALWAYS_PLAY = false; // once per browser in prod; ?intro or the Replay button force it. try { var p = (location.pathname || '').replace(/\/+$/, '').toLowerCase(); if (p !== '/learn/why-humancheck') return; // play on the Why HumanCheck page var KEY = 'vy_intro_seen_v3'; var forceReplay = /(?:[?&#])(?:intro|replay)/i.test(location.search + location.hash); if (forceReplay) { try { localStorage.removeItem(KEY); } catch (e) {} } if (ALWAYS_PLAY || forceReplay || !localStorage.getItem(KEY)) { document.documentElement.classList.add('vy-intro-play'); if (!ALWAYS_PLAY && !forceReplay) localStorage.setItem(KEY, '1'); // Drop the play class once the curtain has lifted, so the hidden docs chrome (and the // reveal) only apply during the intro - not on every later article you navigate to. setTimeout(function () { document.documentElement.classList.remove('vy-intro-play'); }, 24500); // buildSwarm(); // disabled: React strips JS-injected bots; cascade must live in markup } } catch (e) { /* fail closed */ } /* Cascade: start with a couple of bots at the computer, then each bot spawns 4-6 MORE from its own spot, two generations deep, in a rapid random sequence - a runaway multiplication that drives home "one becomes many". Built in JS so the markup stays small. */ function buildSwarm() { var fig = document.querySelector('.vy-intro-figure'); if (!fig) return; var BOT = ''; var R = Math.random; var all = []; var gen = [ {x:0,y:0,px:0,py:0,t:5.85}, {x:0,y:0,px:0,py:0,t:6.0}, {x:0,y:0,px:0,py:0,t:6.15} ]; gen.forEach(function (b) { all.push(b); }); for (var g = 0; g < 2; g++) { var next = []; gen.forEach(function (parent) { var n = 4 + Math.floor(R() * 3); // 4-6 children each for (var i = 0; i < n; i++) { var ang = R() * Math.PI * 2; var dist = (g === 0 ? 70 : 55) + R() * 65; var c = { px: parent.x, py: parent.y, x: Math.max(-220, Math.min(220, parent.x + Math.cos(ang) * dist)), y: Math.max(-152, Math.min(152, parent.y + Math.sin(ang) * dist)), t: parent.t + 0.16 + R() * 0.22 }; next.push(c); all.push(c); } }); gen = next; if (all.length > 60) break; // safety cap } var html = all.map(function (b) { var s = (0.34 + R() * 0.2).toFixed(2); return '

' + BOT + '

'; }).join(''); // Append a NEW swarm React doesn't own (so it can't revert it), and hide the static one. var js = document.createElement('div'); js.className = 'vy-swarm vy-swarm-js'; js.innerHTML = html; fig.appendChild(js); document.documentElement.classList.add('vy-cascade'); } })();

Param	Meaning
`vyt`	Confirmation token. Exchange server side within 30 minutes.
`vyc`	`1` passed, `0` not. UI hint. Never gate on it.
your `pass_params`	Echoed as sent.