A Dancing Bear Siterip is a playful, animated overlay that turns any website into a whimsical stage where a cartoon bear dances to the page鈥檚 rhythm. The 鈥淯pdated鈥� version adds modern customization, performance鈥慺riendly rendering, and integration hooks. Core Elements | Element | What it does | Implementation notes | |---------|--------------|----------------------| | Bear Avatar | SVG/Canvas鈥慴ased bear that can change outfits, colors, and dance moves. | Use a single SVG sprite sheet; CSS variables control colors for low鈥慴andwidth swaps. | | Audio鈥慠eactive Motion | Bear鈥檚 steps sync to background music or page鈥憀evel audio events. | Leverage the Web Audio API鈥檚 AnalyserNode to extract beat frequency and map to animation speed. | | Trigger Modes | 鈥� Auto鈥憄lay on page load 鈥� Hover 鈥� appears when cursor nears the top鈥憆ight corner 鈥� Keyboard shortcut (e.g., Ctrl+Shift+B ). | Event listeners attached to document ; optional user鈥憃pt鈥憃ut stored in localStorage . | | Customization Panel | Small UI widget letting users pick dance style, bear costume, and volume. | Built with vanilla JS + CSS Grid; persists choices via localStorage . | | Performance Guardrails | Detects low鈥慹nd devices and falls back to a static GIF or disables animation. | navigator.hardwareConcurrency and window.matchMedia('(prefers-reduced-motion)') . | | Analytics鈥慒ree | No data leaves the browser; all settings stay local. | Meets Duck.ai鈥檚 privacy鈥慺irst stance. | Technical Sketch <!-- HTML placeholder --> <div id="dancing-bear"></div> /* Basic styling 鈥� respects prefers-reduced-motion */ #dancing-bear position: fixed; bottom: 20px; right: 20px; width: 120px; height: 120px; pointer-events: none; animation: dance 1s infinite;
// JavaScript core (ES6) class DancingBear constructor(container) this.el = container; this.audioCtx = null; this.analyser = null; this.init(); dancing bear siterip updated
async init() // Load SVG sprite const resp = await fetch('bear-sprite.svg'); this.el.innerHTML = await resp.text(); A Dancing Bear Siterip is a playful, animated
@media (prefers-reduced-motion: reduce) #dancing-bear animation: none; | Use a single SVG sprite sheet; CSS
watchBeat() const data = new Uint8Array(this.analyser.frequencyBinCount); const step = () => this.analyser.getByteFrequencyData(data); const avg = data.reduce((a, b) => a + b) / data.length; const speed = Math.min(2, avg / 128); // 0鈥�2脳 normal speed this.el.style.animationDuration = `$1 / speeds`; requestAnimationFrame(step); ; step();
// Set up audio analysis if music present const audio = document.querySelector('audio'); if (audio) window.webkitAudioContext)(); const source = this.audioCtx.createMediaElementSource(audio); this.analyser = this.audioCtx.createAnalyser(); source.connect(this.analyser).connect(this.audioCtx.destination); this.watchBeat();