"use client" import * as React from "react" import { Mic, MicOff } from "lucide-react" import { BarVisualizer, type BarVisualizerState, } from "@/components/agents/bar-visualizer" import { Button } from "@/components/ui/button" import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs" const STATES: BarVisualizerState[] = [ "connecting", "listening", "thinking", "speaking", ] const BARS = 15 export default function BarVisualizerDemo() { const [state, setState] = React.useState("speaking") const [stream, setStream] = React.useState(null) const [problem, setProblem] = React.useState(null) const [levels, setLevels] = React.useState(() => Array.from({ length: BARS }, () => 0.2) ) const streamRef = React.useRef(null) // Simulated levels while the microphone is off. React.useEffect(() => { if (stream) return const moving = state === "speaking" || state === "listening" const timer = window.setInterval(() => { const t = performance.now() / 1000 setLevels( Array.from({ length: BARS }, (_, i) => moving ? Math.max( 0.1, 0.45 + Math.sin(t * 3 + i * 0.6) * 0.3 + Math.sin(t * 7.3 + i) * 0.12 ) : 0.2 ) ) }, 80) return () => window.clearInterval(timer) }, [state, stream]) const stopMic = React.useCallback(() => { streamRef.current?.getTracks().forEach((track) => track.stop()) streamRef.current = null setStream(null) }, []) React.useEffect(() => stopMic, [stopMic]) async function toggleMic() { if (stream) return stopMic() setProblem(null) try { const next = await navigator.mediaDevices.getUserMedia({ audio: true }) streamRef.current = next setStream(next) setState("listening") } catch { setProblem("Microphone unavailable. Showing simulated levels instead.") } } return (

setState(v as BarVisualizerState)} > {STATES.map((name) => ( {name} ))}

{problem ?? (stream ? "Reading your microphone." : "Simulated levels.")}

) }

Bar VisualizerNew

Installation

Dependencies

Source