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Tune oscilloscope visuals

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Remove idle NO SIGNAL state, widen mini oscilloscope, align with theme colors, and connect full oscilloscope to shared audio analyzer to visualize music and sound effects continuously. Also updated OscilloscopeDisplay to use shared analyzer data.

X-Lovable-Edit-ID: edt-8830a45a-8e37-44e7-b833-ddf573c55606
This commit is contained in:
gpt-engineer-app[bot] 2025-12-21 14:09:40 +00:00
commit e02bd14b2b
2 changed files with 84 additions and 57 deletions
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74
src/components/MiniOscilloscope.tsx
View File

@ -3,6 +3,11 @@ import { useNavigate, useLocation } from 'react-router-dom';
import { useSettings } from '@/contexts/SettingsContext';
import { useAudioAnalyzer } from '@/contexts/AudioAnalyzerContext';
// Get CSS variable value
function getCSSVar(name: string): string {
return getComputedStyle(document.documentElement).getPropertyValue(name).trim();
}
export function MiniOscilloscope() {
const canvasRef = useRef<HTMLCanvasElement>(null);
const animationRef = useRef<number>();
@ -23,15 +28,23 @@ export function MiniOscilloscope() {
const width = canvas.width;
const height = canvas.height;
// Get theme colors
const primaryHsl = getCSSVar('--primary');
const primaryColor = primaryHsl ? `hsl(${primaryHsl})` : 'hsl(120, 100%, 50%)';
const primaryColorDim = primaryHsl ? `hsl(${primaryHsl} / 0.3)` : 'hsl(120, 100%, 50%, 0.3)';
const primaryColorFaint = primaryHsl ? `hsl(${primaryHsl} / 0.1)` : 'hsl(120, 100%, 50%, 0.1)';
const bgHsl = getCSSVar('--background');
const bgColor = bgHsl ? `hsl(${bgHsl} / 0.8)` : 'rgba(0, 0, 0, 0.6)';
// Clear with transparent background
ctx.clearRect(0, 0, width, height);
// Draw background
ctx.fillStyle = 'rgba(0, 0, 0, 0.6)';
// Draw background with theme color
ctx.fillStyle = bgColor;
ctx.fillRect(0, 0, width, height);
// Draw grid lines
ctx.strokeStyle = 'hsl(120, 100%, 50%, 0.1)';
// Draw grid lines with theme color
ctx.strokeStyle = primaryColorFaint;
ctx.lineWidth = 1;
// Vertical grid lines
@ -42,31 +55,29 @@ export function MiniOscilloscope() {
ctx.stroke();
}
// Center line
ctx.strokeStyle = 'hsl(120, 100%, 50%, 0.3)';
// Center line with theme color
ctx.strokeStyle = primaryColorDim;
ctx.beginPath();
ctx.moveTo(0, height / 2);
ctx.lineTo(width, height / 2);
ctx.stroke();
// Draw waveform from analyzer
let hasAudio = false;
// Draw waveform from analyzer or flat line
if (analyzerNode) {
const bufferLength = analyzerNode.frequencyBinCount;
const dataArray = new Uint8Array(bufferLength);
analyzerNode.getByteTimeDomainData(dataArray);
// Check if there's actual audio (not just silence)
hasAudio = dataArray.some(v => Math.abs(v - 128) > 2);
const hasAudio = dataArray.some(v => Math.abs(v - 128) > 2);
ctx.strokeStyle = primaryColor;
ctx.lineWidth = 2;
ctx.shadowColor = primaryColor;
ctx.shadowBlur = hasAudio ? 10 : 0;
ctx.beginPath();
if (hasAudio) {
ctx.strokeStyle = 'hsl(120, 100%, 50%)';
ctx.lineWidth = 2;
ctx.shadowColor = 'hsl(120, 100%, 50%)';
ctx.shadowBlur = 10;
ctx.beginPath();
const sliceWidth = width / bufferLength;
let x = 0;
@ -82,28 +93,21 @@ export function MiniOscilloscope() {
x += sliceWidth;
}
} else {
// Flat line when no audio
ctx.moveTo(0, height / 2);
ctx.lineTo(width, height / 2);
ctx.stroke();
ctx.shadowBlur = 0;
}
}
// Draw idle animation when no audio
if (!hasAudio) {
const time = Date.now() / 1000;
ctx.strokeStyle = 'hsl(120, 100%, 50%, 0.5)';
ctx.lineWidth = 1;
ctx.stroke();
ctx.shadowBlur = 0;
} else {
// Flat line when no analyzer
ctx.strokeStyle = primaryColor;
ctx.lineWidth = 2;
ctx.beginPath();
for (let i = 0; i < width; i++) {
const y = height / 2 + Math.sin(i * 0.05 + time * 2) * 3;
if (i === 0) {
ctx.moveTo(i, y);
} else {
ctx.lineTo(i, y);
}
}
ctx.moveTo(0, height / 2);
ctx.lineTo(width, height / 2);
ctx.stroke();
}
@ -153,7 +157,7 @@ export function MiniOscilloscope() {
return (
<div
onClick={handleClick}
className="fixed bottom-4 left-1/2 -translate-x-1/2 w-[350px] md:w-[500px] h-[70px] z-50 cursor-pointer group"
className="fixed bottom-6 left-1/2 -translate-x-1/2 w-[400px] md:w-[600px] h-[80px] z-50 cursor-pointer group"
title="Open Oscilloscope"
>
<div className="relative w-full h-full rounded-lg border border-primary/50 overflow-hidden bg-background/80 backdrop-blur-sm transition-all duration-300 group-hover:border-primary group-hover:shadow-[0_0_20px_hsl(var(--primary)/0.4)]">

67
src/components/OscilloscopeDisplay.tsx
View File

@ -1,6 +1,7 @@
import { useEffect, useRef, useCallback } from 'react';
import type { AudioData } from '@/hooks/useAudioAnalyzer';
import type { OscilloscopeMode } from '@/hooks/useOscilloscopeRenderer';
import { useAudioAnalyzer as useSharedAudioAnalyzer } from '@/contexts/AudioAnalyzerContext';
interface OscilloscopeDisplayProps {
audioData: AudioData | null;
@ -33,6 +34,10 @@ export function OscilloscopeDisplay({
const animationRef = useRef<number | null>(null);
const currentSampleRef = useRef(0);
const lastSeekPositionRef = useRef(0);
const { analyzerNode: sharedAnalyzer } = useSharedAudioAnalyzer();
// Use shared analyzer for live audio (music player, sound effects)
const liveAnalyzer = sharedAnalyzer || micAnalyzer;
const drawGraticule = useCallback((ctx: CanvasRenderingContext2D) => {
ctx.strokeStyle = '#00ff00';
@ -52,7 +57,11 @@ export function OscilloscopeDisplay({
}, []);
const drawFrame = useCallback(() => {
if ((!audioData && !micAnalyzer) || !canvasRef.current) return;
if (!canvasRef.current) return;
// Always allow drawing if we have live analyzer, even without audioData
const hasLiveSource = liveAnalyzer || micAnalyzer;
if (!audioData && !hasLiveSource) return;
const canvas = canvasRef.current;
const ctx = canvas.getContext('2d');
@ -63,23 +72,33 @@ export function OscilloscopeDisplay({
let endSample: number;
let samplesToAdvance: number = samplesPerFrame;
if (micAnalyzer) {
// Real-time microphone data
const bufferLength = micAnalyzer.frequencyBinCount;
// Priority: micAnalyzer > liveAnalyzer (shared) > audioData (file)
const activeAnalyzer = micAnalyzer || liveAnalyzer;
if (activeAnalyzer && !audioData) {
// Real-time audio data (mic or music player)
const bufferLength = activeAnalyzer.frequencyBinCount;
const dataArray = new Uint8Array(bufferLength);
micAnalyzer.getByteTimeDomainData(dataArray);
activeAnalyzer.getByteTimeDomainData(dataArray);
// Clear to pure black
ctx.fillStyle = '#000000';
ctx.fillRect(0, 0, WIDTH, HEIGHT);
// Draw graticule first
drawGraticule(ctx);
// Convert to Float32Array-like for consistency
const micData = new Float32Array(dataArray.length);
const liveData = new Float32Array(dataArray.length);
for (let i = 0; i < dataArray.length; i++) {
micData[i] = (dataArray[i] - 128) / 128; // Normalize to -1 to 1
liveData[i] = (dataArray[i] - 128) / 128; // Normalize to -1 to 1
}
samplesPerFrame = micData.length;
samplesPerFrame = liveData.length;
startSample = 0;
endSample = micData.length;
endSample = liveData.length;
// Draw mic data directly
// Draw live data directly
ctx.strokeStyle = '#00ff00';
ctx.lineWidth = 2;
ctx.beginPath();
@ -88,7 +107,7 @@ export function OscilloscopeDisplay({
let x = 0;
for (let i = 0; i < samplesPerFrame; i++) {
const v = micData[i];
const v = liveData[i];
const y = (v * HEIGHT) / 2 + HEIGHT / 2;
if (i === 0) {
@ -102,16 +121,14 @@ export function OscilloscopeDisplay({
ctx.stroke();
// Draw graticule
drawGraticule(ctx);
// Request next frame for real-time
if (isPlaying) {
animationRef.current = requestAnimationFrame(drawFrame);
}
animationRef.current = requestAnimationFrame(drawFrame);
return;
}
// File playback mode - need audioData
if (!audioData) return;
// File playback mode
const baseSamplesPerFrame = Math.floor(audioData.sampleRate / FPS);
samplesPerFrame = Math.floor(baseSamplesPerFrame * playbackSpeed);
@ -274,7 +291,7 @@ export function OscilloscopeDisplay({
}
animationRef.current = requestAnimationFrame(drawFrame);
}, [audioData, micAnalyzer, mode, drawGraticule, onPlaybackEnd, isPlaying, playbackSpeed, isLooping, seekPosition]);
}, [audioData, micAnalyzer, liveAnalyzer, mode, drawGraticule, onPlaybackEnd, isPlaying, playbackSpeed, isLooping, seekPosition]);
// Initialize canvas
useEffect(() => {
@ -288,11 +305,17 @@ export function OscilloscopeDisplay({
}
}, [drawGraticule]);
// Handle playback
// Handle playback - start animation for file playback or live audio
useEffect(() => {
const hasLiveSource = liveAnalyzer || micAnalyzer;
if (isPlaying && audioData) {
// File playback
currentSampleRef.current = 0;
animationRef.current = requestAnimationFrame(drawFrame);
} else if (hasLiveSource && !audioData) {
// Live audio visualization (music player, sound effects)
animationRef.current = requestAnimationFrame(drawFrame);
} else {
if (animationRef.current) {
cancelAnimationFrame(animationRef.current);
@ -304,7 +327,7 @@ export function OscilloscopeDisplay({
cancelAnimationFrame(animationRef.current);
}
};
}, [isPlaying, audioData, drawFrame]);
}, [isPlaying, audioData, liveAnalyzer, micAnalyzer, drawFrame]);
const getModeLabel = () => {
switch (mode) {
@ -338,8 +361,8 @@ export function OscilloscopeDisplay({
{getModeLabel()}
</div>
{/* Idle state */}
{!audioData && !isPlaying && (
{/* Idle state - only show if no live audio and no file */}
{!audioData && !liveAnalyzer && !micAnalyzer && (
<div className="absolute inset-0 flex items-center justify-center">
<p className="font-crt text-2xl text-primary/40 text-glow animate-pulse">
NO SIGNAL