BABSONSOUNDJOIN

Events

Semester classics

Be on the lookout for our semester classics

  • Acoustic Session at Rodger's Pub
  • Learn to DJ
  • Learn Music Production
  • Boiler Room
  • Babson Sound House Band events
  • And more to come
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[CONTENT-EVENTS_MONTH_FEATURED] [CONTENT-EVENTS_DAY_FEATURED] | [CONTENT-EVENTS_TIME_FEATURED]

[CONTENT-EVENTS_NAME_FEATURED]

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/* ========================================================================== BABSON SOUND - sitewide script (load on every page, `defer`) - Live radio player (play/stop, volume, On Air state, reconnect at live edge) - Ambient visualizer on a canvas while the stream plays - Optional radio schedule with a live "On Air" highlight - Scroll-reveal, count-up stats, cursor spotlight on cards It never edits the markup Campus Groups fills in. Stats are only read and re-displayed, and the final value is always restored. ========================================================================== */ (function () { 'use strict'; /* ---------- Config: edit here ---------------------------------------- */ var BR_CONFIG = window.BR_CONFIG || {}; var CONFIG = { timezone: BR_CONFIG.timezone || 'America/New_York', // Leave empty to hide the schedule. Each slot: // { days: [0..6] (0 = Sunday, omit for every day), start: '20:00', end: '22:00', show: 'Late Night Vibes', host: 'with DJ Name' } schedule: BR_CONFIG.schedule || [] }; var reduceMotion = window.matchMedia && window.matchMedia('(prefers-reduced-motion: reduce)').matches; var $ = function (s, r) { return (r || document).querySelector(s); }; var $$ = function (s, r) { return Array.prototype.slice.call((r || document).querySelectorAll(s)); }; document.documentElement.classList.add('br-js'); /* ---------- Player ---------------------------------------------------- */ function initPlayer() { var box = $('#br-player'); if (!box || box.__brInit || !window.__brStream) return; box.__brInit = true; var a = $('#br-aud', box), btn = $('#br-play', box), st = $('#br-status', box), vol = $('#br-vol', box), air = $('#br-air', box), canvas = $('.br-viz', box); var url = window.__brStream; var state = 'idle'; box.classList.add('js'); a.removeAttribute('controls'); a.removeAttribute('src'); a.preload = 'none'; function set(s, msg) { state = s; box.classList.toggle('playing', s === 'playing'); box.classList.toggle('buffering', s === 'buffering'); if (air) air.hidden = s !== 'playing'; var na = $('#br-nav-air'); if (na) na.hidden = s !== 'playing'; btn.setAttribute('aria-label', s === 'playing' ? 'Stop live stream' : 'Play live stream'); st.textContent = msg || (s === 'buffering' ? 'Connecting to the stream...' : ''); if (s === 'playing') viz.start(); else viz.stop(); } btn.addEventListener('click', function () { if (state !== 'idle') { // stop: drop the connection so replay joins live a.pause(); a.removeAttribute('src'); a.load(); set('idle'); return; } set('buffering'); a.src = url + (url.indexOf('?') === -1 ? '?' : '&') + 't=' + Date.now(); var p = a.play(); if (p && p.catch) p.catch(function () { set('idle', 'Could not start the stream. Try again in a moment.'); }); }); a.addEventListener('playing', function () { set('playing'); }); a.addEventListener('waiting', function () { set('buffering'); }); a.addEventListener('error', function () { if (a.getAttribute('src')) set('idle', 'Stream unavailable right now. Please try again shortly.'); }); if (vol) vol.addEventListener('input', function () { a.volume = +vol.value; }); if ('mediaSession' in navigator && window.MediaMetadata) { navigator.mediaSession.metadata = new MediaMetadata({ title: 'Live Stream', artist: 'Babson Radio . Babson Sound' }); navigator.mediaSession.setActionHandler('play', function () { if (state === 'idle') btn.click(); }); navigator.mediaSession.setActionHandler('pause', function () { if (state !== 'idle') btn.click(); }); } /* Ambient visualizer. Decorative: the stream is cross-origin, so we don't tap its audio (that would mute it without CORS headers). */ var viz = (function () { if (!canvas || !canvas.getContext) return { start: function () {}, stop: function () {} }; var ctx = canvas.getContext('2d'), raf = 0, t = 0, bars = 48; function size() { var r = canvas.getBoundingClientRect(), d = window.devicePixelRatio || 1; canvas.width = Math.max(1, Math.round(r.width * d)); canvas.height = Math.max(1, Math.round(r.height * d)); } function frame() { t += 0.035; var w = canvas.width, h = canvas.height, bw = w / bars; ctx.clearRect(0, 0, w, h); var g = ctx.createLinearGradient(0, h, 0, 0); g.addColorStop(0, 'rgba(0,102,68,.95)'); g.addColorStop(1, 'rgba(46,196,141,.95)'); ctx.fillStyle = g; for (var i = 0; bars > i; i++) { var n = Math.sin(t * 1.7 + i * 0.55) * 0.5 + Math.sin(t * 0.9 + i * 1.3) * 0.3 + Math.sin(t * 2.6 + i * 0.21) * 0.2; var v = 0.18 + 0.82 * Math.pow((n + 1) / 2, 1.6); var bh = Math.max(3, v * h); var x = i * bw + bw * 0.2, y = h - bh, rw = bw * 0.6, r = Math.min(rw / 2, 3); ctx.beginPath(); ctx.moveTo(x, h); ctx.lineTo(x, y + r); ctx.quadraticCurveTo(x, y, x + r, y); ctx.lineTo(x + rw - r, y); ctx.quadraticCurveTo(x + rw, y, x + rw, y + r); ctx.lineTo(x + rw, h); ctx.closePath(); ctx.fill(); } raf = requestAnimationFrame(frame); } return { start: function () { if (reduceMotion || raf) return; size(); raf = requestAnimationFrame(frame); }, stop: function () { cancelAnimationFrame(raf); raf = 0; ctx.clearRect(0, 0, canvas.width, canvas.height); } }; })(); } /* ---------- Password gate (stream address is stored encrypted) --------- Soft gate: keeps the stream out of view-source and away from casual visitors until launch. It is not server-side security. To change the password or stream, run tools/encrypt-stream.mjs. */ var VAULT = { i: 250000, s: 'GSLzbhdo0sZcIgeUf5NyFw==', v: 'i+RU5K8TpjGbOtMI', c: 'bZoz5lZ8OA3orV4bSknloVmcBVlqfM2kqta2w6fblN+76g8YEP3A8UZp8DJMZRlyfQh0cYnHh/gfyVU=' }; function b64(s) { var b = atob(s), a = new Uint8Array(b.length); for (var i = 0; b.length > i; i++) a[i] = b.charCodeAt(i); return a; } function decryptStream(pw) { var enc = new TextEncoder(); return crypto.subtle.importKey('raw', enc.encode(pw), 'PBKDF2', false, ['deriveKey']).then(function (km) { return crypto.subtle.deriveKey({ name: 'PBKDF2', salt: b64(VAULT.s), iterations: VAULT.i, hash: 'SHA-256' }, km, { name: 'AES-GCM', length: 256 }, false, ['decrypt']); }).then(function (key) { return crypto.subtle.decrypt({ name: 'AES-GCM', iv: b64(VAULT.v) }, key, b64(VAULT.c)); }).then(function (pt) { return new TextDecoder().decode(pt); }); } function initGate() { var form = $('#br-gate'), lock = $('#br-lock'), area = $('#br-unlocked'); if (!area) return; var msg = $('#br-gate-msg'), pw = $('#br-pw'); function open(url) { window.__brStream = url; area.hidden = false; var wrap = $('.br-gate-wrap'); if (wrap) wrap.hidden = true; initPlayer(); initSchedule(); } try { var saved = sessionStorage.getItem('br-stream'); if (saved) { open(saved); return; } } catch (e) {} if (lock) lock.addEventListener('click', function () { form.hidden = !form.hidden; lock.setAttribute('aria-expanded', String(!form.hidden)); if (!form.hidden) pw.focus(); }); if (!form) return; form.addEventListener('submit', function (e) { e.preventDefault(); if (!window.crypto || !crypto.subtle) { msg.textContent = 'Unlocking needs a secure (https) page.'; return; } msg.textContent = 'Checking...'; decryptStream(pw.value.trim()).then(function (url) { try { sessionStorage.setItem('br-stream', url); } catch (e2) {} pw.value = ''; msg.textContent = ''; open(url); }).catch(function () { msg.textContent = 'Incorrect password.'; pw.select(); }); }); } /* ---------- Schedule -------------------------------------------------- */ function initSchedule() { var host = $('#br-schedule'); if (!host) return; var slots = CONFIG.schedule; if (!slots.length) { host.hidden = true; return; } var list = $('.br-sched', host); function nowParts() { var f = new Intl.DateTimeFormat('en-US', { timeZone: CONFIG.timezone, weekday: 'short', hour: '2-digit', minute: '2-digit', hour12: false }); var o = {}; f.formatToParts(new Date()).forEach(function (p) { o[p.type] = p.value; }); var day = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'].indexOf(o.weekday); return { day: day, min: (+o.hour % 24) * 60 + (+o.minute) }; } function mins(s) { var p = s.split(':'); return (+p[0]) * 60 + (+p[1]); } function label(s) { var m = mins(s), h = Math.floor(m / 60), ap = h >= 12 ? 'PM' : 'AM'; h = h % 12 || 12; return h + ':' + ('0' + (m % 60)).slice(-2) + ' ' + ap; } function isLive(s, n) { if (s.days && s.days.indexOf(n.day) === -1) return false; var a = mins(s.start), b = mins(s.end); return b >= a ? (n.min >= a && b > n.min) : (n.min >= a || b > n.min); // supports overnight slots } function render() { var n = nowParts(); var today = slots.filter(function (s) { return !s.days || s.days.indexOf(n.day) >= 0; }) .sort(function (x, y) { return mins(x.start) - mins(y.start); }); list.textContent = ''; today.forEach(function (s) { var live = isLive(s, n), row = document.createElement('div'); row.className = 'br-row' + (live ? ' live' : ''); var t = document.createElement('span'); t.className = 't'; t.textContent = label(s.start); var dot = document.createElement('span'); dot.className = 'dot'; var info = document.createElement('div'); var b = document.createElement('b'); b.textContent = s.show; var sm = document.createElement('small'); sm.textContent = s.host || ''; info.appendChild(b); info.appendChild(sm); row.appendChild(t); row.appendChild(dot); row.appendChild(info); if (live) { var oa = document.createElement('span'); oa.className = 'onair'; oa.textContent = 'ON AIR'; row.appendChild(oa); } list.appendChild(row); }); host.hidden = !today.length; var liveNow = today.filter(function (s) { return isLive(s, n); })[0]; var title = $('#br-player .br-title'); if (title) title.textContent = liveNow ? liveNow.show : 'Live Stream'; var sub = $('#br-player .br-sub'); if (sub && liveNow && liveNow.host) sub.textContent = liveNow.host; } render(); setInterval(render, 60000); } /* ---------- Scroll reveal --------------------------------------------- */ function initReveal() { var sel = 'section h2, .mailer-section-icons .text-block, .wrapper-events--featured .feature, .cg_dynamic_msg,' + ' .feature-3, [class*="section-cont__content-officers--"] > div, #br-player .br-hero, .br-sched, .br-actions'; var els = $$(sel); if (!els.length) return; if (reduceMotion || !('IntersectionObserver' in window)) return; // stay visible var io = new IntersectionObserver(function (entries) { entries.forEach(function (e) { if (e.isIntersecting) { e.target.classList.add('in'); io.unobserve(e.target); } }); }, { threshold: 0.12, rootMargin: '0px 0px -40px 0px' }); els.forEach(function (el, i) { el.classList.add('br-reveal'); el.style.setProperty('--br-delay', ((i % 6) * 0.06) + 's'); io.observe(el); }); setTimeout(function () { els.forEach(function (el) { el.classList.add('in'); }); }, 4000); // safety net } /* ---------- Count-up stats (reads the plug's value, then restores it) -- */ function initCounters() { if (reduceMotion || !('IntersectionObserver' in window)) return; var nums = $$('[class*="section-cont__content-quick_facts_"]'); if (!nums.length) return; var io = new IntersectionObserver(function (entries) { entries.forEach(function (e) { if (!e.isIntersecting) return; io.unobserve(e.target); var el = e.target, raw = el.getAttribute('data-br-final'), end = parseInt(raw.replace(/[^\d]/g, ''), 10); if (isNaN(end) || 0 >= end || end > 100000) return; var t0 = null, dur = 1100; (function step(ts) { if (t0 === null) t0 = ts; var p = Math.min(1, (ts - t0) / dur), eased = 1 - Math.pow(1 - p, 3); el.textContent = 1 > p ? String(Math.round(end * eased)) : raw; // last frame restores the original text if (1 > p) requestAnimationFrame(step); })(performance.now()); }); }, { threshold: 0.4 }); nums.forEach(function (n) { n.setAttribute('data-br-final', n.textContent.trim()); io.observe(n); }); } /* ---------- Cursor spotlight ------------------------------------------ */ function initSpotlight() { if (reduceMotion || !window.matchMedia('(hover: hover)').matches) return; var cards = $$('.mailer-section-icons .text-block, .feature-3.boxed, [class*="section-cont__content-officers--"] .feature-8, .wrapper-events--featured .feature'); cards.forEach(function (c) { c.classList.add('br-spot'); c.addEventListener('pointermove', function (e) { var r = c.getBoundingClientRect(); c.style.setProperty('--mx', (e.clientX - r.left) + 'px'); c.style.setProperty('--my', (e.clientY - r.top) + 'px'); }); }); } function initNav() { var nav = $('.br-nav'), sp = $('.br-nav-spacer'); if (!nav) return; // Only step aside if a Campus Groups header is actually showing; an empty or hidden one must not hide ours. var cg = $('.nav-container .menu-horizontal a'); if (cg && cg.offsetParent !== null && cg.getBoundingClientRect().height > 0) { nav.hidden = true; if (sp) sp.style.display = 'none'; return; } function fit() { if (sp) sp.style.height = nav.offsetHeight + 'px'; } // keep content below the fixed nav fit(); window.addEventListener('resize', fit); window.addEventListener('load', fit); } /* ---------- Safety net: remove a stray raw copy of this script ---------- If the script was also pasted into a platform field that prints it as text, drop that text so it never shows on the page. */ function initCleanup() { var kids = document.body ? document.body.childNodes : []; for (var i = kids.length - 1; i >= 0; i--) { var n = kids[i]; var t = n.nodeType === 3 ? n.nodeValue : (n.nodeType === 1 && n.tagName !== 'SCRIPT' && n.tagName !== 'STYLE' ? n.textContent : ''); if (t && t.length > 1000 && t.indexOf('BR_CONFIG') !== -1 && t.indexOf('initPlayer') !== -1) n.parentNode.removeChild(n); } } function init() { initCleanup(); initNav(); initGate(); initPlayer(); initSchedule(); initReveal(); initCounters(); initSpotlight(); } window.addEventListener('load', initCleanup); if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', init); else init(); })();