Javascript, HTML, CSS Code
<html> <head> <script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width,initial-scale=1"> <title>Waveform Sound Generator</title> <meta name="description" content="Generate and play smooth waveforms as sounds."> <meta name="keywords" content="waveform, sound, generator, music"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous"> <link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet"> <script type="text/javascript"> var localStoragePrefix = "ct-16811588768689"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script> <script type="text/javascript"> // App Javascript const numWaveforms = 5; const canvasWidth = 300; const canvasHeight = 100; const waveforms = []; function randomColor() { return `hsl(${Math.random() * 360}, 75%, 50%)`; } function drawWaveform(canvas, color) { const ctx = canvas.getContext('2d'); const numPoints = 6; const segmentWidth = canvasWidth / (numPoints - 1); ctx.clearRect(0, 0, canvasWidth, canvasHeight); ctx.strokeStyle = color; ctx.lineWidth = 2; ctx.beginPath(); ctx.moveTo(0, canvasHeight / 2); for (let i = 1; i < numPoints; i++) { const x = i * segmentWidth; const y = Math.random() * canvasHeight; ctx.quadraticCurveTo((x - segmentWidth) + segmentWidth / 2, y, x, i % 2 === 0 ? canvasHeight / 2 : y); } ctx.stroke(); } function regenerateAllWaveforms() { for (let i = 0; i < numWaveforms; i++) { waveforms[i].color = randomColor(); drawWaveform(waveforms[i].canvas, waveforms[i].color); } } function regenerateWaveform(index) { waveforms[index].color = randomColor(); drawWaveform(waveforms[index].canvas, waveforms[index].color); } function playWaveform(index) { const canvas = waveforms[index].canvas; const ctx = canvas.getContext('2d'); const imgData = ctx.getImageData(0, 0, canvasWidth, canvasHeight); const audioCtx = new (window.AudioContext || window.webkitAudioContext)(); const oscillator = audioCtx.createOscillator(); const gainNode = audioCtx.createGain(); gainNode.gain.value = 0.1; oscillator.frequency.value = 440; oscillator.connect(gainNode); gainNode.connect(audioCtx.destination); let lastNonZero = 0; for (let x = 0; x < canvasWidth; x++) { for (let y = 0; y < canvasHeight; y++) { const pixel = imgData.data[(y * canvasWidth + x) * 4]; if (pixel > 0) { lastNonZero = y; break; } } } oscillator.frequency.setValueAtTime(440 + (canvasHeight - lastNonZero) * 4, audioCtx.currentTime); oscillator.start(); setTimeout(() => { oscillator.stop(); }, 500); } function playAllWaveforms() { for (let i = 0; i < numWaveforms; i++) { playWaveform(i); } } $(document).ready(() => { for (let i = 0; i < numWaveforms; i++) { const canvas = $(`#waveform-${i}`)[0]; const color = randomColor(); waveforms.push({ canvas, color }); drawWaveform(canvas, color); } }); </script> <style> /* App CSS */ .waveform-container { display: flex; flex-direction: column; align-items: center; } .waveform { border: 1px solid #ccc; } .waveform-button { margin-top: 8px; } .play-all { margin-bottom: 16px; } </style> <link rel="canonical" href="https://calculator.tools/prompt/107/"> <meta charset="utf-8"> </head> <body> <div id="main-container" class="container"> <h1 class="text-center">Waveform Sound Generator 🎶</h1> <div class="d-flex justify-content-center"> <button class="btn btn-primary play-all" onclick="playAllWaveforms();">Play All 🎵</button> <button class="btn btn-secondary play-all ms-2" onclick="regenerateAllWaveforms();">Regenerate All 🔄</button> </div> <div class="d-flex flex-column align-items-center mt-4"> {% for i in range(numWaveforms) %} <div class="waveform-container my-3"> <canvas id="waveform-{{ i }}" width="300" height="100" class="waveform"></canvas> <div> <button class="btn btn-primary waveform-button" onclick="playWaveform({{ i }});">Play 🎵</button> <button class="btn btn-secondary waveform-button ms-2" onclick="regenerateWaveform({{ i }});">Regenerate 🔄</button> </div> </div> {% endfor %} </div> </div> <script type="text/javascript"> var localStoragePrefix = "ct-{{ cachebreaker }}"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script> <script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); observer.observe(document.body, {attributes: true, childList: true, subtree: true}); window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); </script> </body> </html>
Waveform Sound Generator
Calculator Tools