<head> <style> @import url('https://fonts.googleapis.com/css2?family=Teko:wght@400;600&display=swap'); body { margin: 0; background: #121212; color: #ddd; font-family: 'Teko', sans-serif; display: flex; flex-direction: column; align-items: center; height: 100vh; user-select: none; } /* --- RIG CONTAINER --- */ #rig { display: flex; gap: 10px; padding: 20px; background: #1a1a1a; border: 1px solid #333; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.8); margin-top: 20px; } /* --- DECKS (CDJ STYLE) --- */ .deck { width: 260px; height: 400px; background: #222; border: 1px solid #444; border-radius: 5px; display: flex; flex-direction: column; position: relative; padding: 15px; box-shadow: inset 0 0 20px #000; } .screen { height: 60px; background: #000; border: 1px solid #555; margin-bottom: 15px; display: flex; flex-direction: column; justify-content: center; padding: 0 10px; } .track-title { color: #00ffcc; font-size: 14px; white-space: nowrap; overflow: hidden; } .bpm-display { color: #fff; font-size: 18px; text-align: right; } .jog-wheel { width: 180px; height: 180px; border-radius: 50%; background: #111; border: 2px solid #333; margin: 0 auto; position: relative; box-shadow: 0 5px 15px rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; } .jog-plate { width: 160px; height: 160px; border-radius: 50%; background: radial-gradient(#333, #000); border: 1px solid #444; } .jog-ring { position: absolute; width: 100%; height: 100%; border-radius: 50%; border: 4px solid transparent; border-top-color: #00ffcc; animation: spin 0s linear infinite; } .spinning { animation-duration: 1.8s; } @keyframes spin { 100% { transform: rotate(360deg); } } .transport { display: flex; gap: 10px; margin-top: auto; } .btn-cue { width: 50px; height: 50px; background: #444; border-radius: 50%; border: none; color: #fff; cursor: pointer; box-shadow: 0 4px 0 #222; } .btn-play { width: 50px; height: 50px; background: #444; border-radius: 50%; border: none; color: #00ffcc; font-weight: bold; cursor: pointer; box-shadow: 0 4px 0 #222; } .btn-play.active { background: #00ffcc; color: #000; box-shadow: 0 2px 0 #004433; transform: translateY(2px); } .pitch-slider { position: absolute; right: 10px; top: 100px; height: 180px; width: 8px; appearance: slider-vertical; background: #333; } /* --- MIXER (CENTER) --- */ #mixer { width: 200px; height: 400px; background: #181818; border: 1px solid #333; border-radius: 5px; display: flex; flex-direction: column; align-items: center; padding: 15px 5px; } .knob-row { display: flex; gap: 20px; margin-bottom: 20px; } .knob-group { text-align: center; } .knob-label { font-size: 10px; color: #777; margin-bottom: 5px; } .knob { width: 40px; height: 40px; border-radius: 50%; background: #333; border: 2px solid #555; cursor: pointer; position: relative; } .knob::after { content:''; position: absolute; top: 5px; left: 50%; width: 2px; height: 15px; background: #fff; transform: translateX(-50%); } .fader-section { display: flex; gap: 30px; height: 150px; align-items: center; } .vol-fader { writing-mode: bt-lr; appearance: slider-vertical; width: 10px; height: 100%; background: #333; cursor: pointer; } .crossfader-section { margin-top: auto; width: 100%; padding: 0 10px; text-align: center; } .crossfader { width: 100%; cursor: pointer; } /* --- LIBRARY STRIP --- */ #crate { width: 100%; background: #111; padding: 10px; margin-top: 20px; border-top: 1px solid #333; display: flex; gap: 10px; overflow-x: auto; } .track-slot { min-width: 150px; height: 60px; background: #222; border: 1px dashed #444; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; font-size: 12px; color: #666; transition: 0.2s; } .track-slot:hover { border-color: #00ffcc; color: #00ffcc; } .track-slot.loaded { border-style: solid; background: #1a2a2a; color: #fff; } .load-buttons { display: flex; gap: 5px; margin-top: 5px; } .load-btn { background: #333; border: 1px solid #555; color: #fff; font-size: 10px; cursor: pointer; padding: 2px 8px; } .load-btn:hover { background: #00ffcc; color: #000; } input[type=file] { display: none; } /* --- VIZ --- */ #viz-screen { width: 100%; height: 60px; background: #000; position: absolute; top: 0; left: 0; z-index: -1; opacity: 0.5; } </style> </head> <body> <canvas id='viz-screen'></canvas> <div id='rig'> <div class='deck'> <div class='screen'> <div class='track-title' id='title-A'>NO TRACK LOADED</div> <div class='bpm-display'>DECK A</div> </div> <div class='jog-wheel'> <div class='jog-ring' id='ring-A'></div> <div class='jog-plate'></div> </div> <input type='range' class='pitch-slider' min='0.8' max='1.2' step='0.001' value='1' oninput='setSpeed("A", this.value)'> <div class='transport'> <button class='btn-cue' onclick='stop("A")'>CUE</button> <button class='btn-play' id='play-A' onclick='togglePlay("A")'>►</button> </div> </div> <div id='mixer'> <div class='knob-row'> <div class='knob-group'> <div class='knob-label'>FILTER A</div> <input type='range' min='200' max='20000' value='20000' step='100' style='width:50px' oninput='setFilter("A", this.value)'> </div> <div class='knob-group'> <div class='knob-label'>FILTER B</div> <input type='range' min='200' max='20000' value='20000' step='100' style='width:50px' oninput='setFilter("B", this.value)'> </div> </div> <div class='fader-section'> <div class='knob-group'> <div class='knob-label'>VOL A</div> <input type='range' class='vol-fader' min='0' max='1' step='0.01' value='1' oninput='setVol("A", this.value)'> </div> <div style='width:10px; height:100px; background:#000; border:1px solid #333; display:flex; flex-direction:column-reverse'> <div id='vu-l' style='width:100%; height:0%; background:#00ffcc; transition:0.1s'></div> </div> <div style='width:10px; height:100px; background:#000; border:1px solid #333; display:flex; flex-direction:column-reverse'> <div id='vu-r' style='width:100%; height:0%; background:#00ffcc; transition:0.1s'></div> </div> <div class='knob-group'> <div class='knob-label'>VOL B</div> <input type='range' class='vol-fader' min='0' max='1' step='0.01' value='1' oninput='setVol("B", this.value)'> </div> </div> <div class='crossfader-section'> <div class='knob-label'>CROSSFADER</div> <input type='range' class='crossfader' min='0' max='1' step='0.01' value='0.5' oninput='setCrossfader(this.value)'> </div> </div> <div class='deck'> <div class='screen'> <div class='track-title' id='title-B'>NO TRACK LOADED</div> <div class='bpm-display'>DECK B</div> </div> <div class='jog-wheel'> <div class='jog-ring' id='ring-B'></div> <div class='jog-plate'></div> </div> <input type='range' class='pitch-slider' min='0.8' max='1.2' step='0.001' value='1' oninput='setSpeed("B", this.value)'> <div class='transport'> <button class='btn-cue' onclick='stop("B")'>CUE</button> <button class='btn-play' id='play-B' onclick='togglePlay("B")'>►</button> </div> </div> </div> <div id='crate'> <div class='track-slot' id='slot1' onclick='triggerUpload(1)'> <span id='name1'>+ LOAD TRACK 1</span> <input type='file' id='file1' accept='audio/*' onchange='handleFile(1, this)'> <div class='load-buttons' id='btns1' style='display:none'> <div class='load-btn' onclick='loadDeck(event, "A", 1)'>LOAD A</div> <div class='load-btn' onclick='loadDeck(event, "B", 1)'>LOAD B</div> </div> </div> <div class='track-slot' id='slot2' onclick='triggerUpload(2)'> <span id='name2'>+ LOAD TRACK 2</span> <input type='file' id='file2' accept='audio/*' onchange='handleFile(2, this)'> <div class='load-buttons' id='btns2' style='display:none'> <div class='load-btn' onclick='loadDeck(event, "A", 2)'>LOAD A</div> <div class='load-btn' onclick='loadDeck(event, "B", 2)'>LOAD B</div> </div> </div> <div class='track-slot' id='slot3' onclick='triggerUpload(3)'> <span id='name3'>+ LOAD TRACK 3</span> <input type='file' id='file3' accept='audio/*' onchange='handleFile(3, this)'> <div class='load-buttons' id='btns3' style='display:none'> <div class='load-btn' onclick='loadDeck(event, "A", 3)'>LOAD A</div> <div class='load-btn' onclick='loadDeck(event, "B", 3)'>LOAD B</div> </div> </div> <div class='track-slot' id='slot4' onclick='triggerUpload(4)'> <span id='name4'>+ LOAD TRACK 4</span> <input type='file' id='file4' accept='audio/*' onchange='handleFile(4, this)'> <div class='load-buttons' id='btns4' style='display:none'> <div class='load-btn' onclick='loadDeck(event, "A", 4)'>LOAD A</div> <div class='load-btn' onclick='loadDeck(event, "B", 4)'>LOAD B</div> </div> </div> </div> <script> let ctx = new (window.AudioContext || window.webkitAudioContext)(); let masterGain = ctx.createGain(); let analyser = ctx.createAnalyser(); masterGain.connect(analyser); analyser.connect(ctx.destination); const library = {}; class Deck { constructor(id) { this.id = id; this.audio = new Audio(); this.audio.crossOrigin = 'anonymous'; this.audio.loop = true; this.source = ctx.createMediaElementSource(this.audio); this.filter = ctx.createBiquadFilter(); // Lowpass this.filter.type = 'lowpass'; this.filter.frequency.value = 20000; this.gain = ctx.createGain(); // Channel Volume this.source.connect(this.filter); this.filter.connect(this.gain); this.gain.connect(masterGain); this.chVol = 1; // Fader position this.xfadeVol = 1; // Crossfader impact } play() { if(ctx.state === 'suspended') ctx.resume(); this.audio.play(); document.getElementById('ring-'+this.id).classList.add('spinning'); document.getElementById('play-'+this.id).classList.add('active'); } pause() { this.audio.pause(); document.getElementById('ring-'+this.id).classList.remove('spinning'); document.getElementById('play-'+this.id).classList.remove('active'); } stop() { this.audio.pause(); this.audio.currentTime = 0; document.getElementById('ring-'+this.id).classList.remove('spinning'); document.getElementById('play-'+this.id).classList.remove('active'); } updateGain() { this.gain.gain.value = this.chVol * this.xfadeVol; } } const deckA = new Deck('A'); const deckB = new Deck('B'); function togglePlay(id) { let d = id==='A'?deckA:deckB; if(d.audio.paused) d.play(); else d.pause(); } function stop(id) { let d = id==='A'?deckA:deckB; d.stop(); } function setSpeed(id, val) { let d = id==='A'?deckA:deckB; d.audio.playbackRate = val; } function setFilter(id, val) { let d = id==='A'?deckA:deckB; d.filter.frequency.value = val; } function setVol(id, val) { let d = id==='A'?deckA:deckB; d.chVol = val; d.updateGain(); } function setCrossfader(val) { let v = parseFloat(val); // Simple Linear Crossfade deckA.xfadeVol = 1 - v; deckB.xfadeVol = v; deckA.updateGain(); deckB.updateGain(); } // FILE LOADING function triggerUpload(n) { // Only trigger if clicking the box, not the buttons document.getElementById('file'+n).click(); } function handleFile(n, input) { if(input.files[0]) { let file = input.files[0]; let url = URL.createObjectURL(file); library[n] = {url:url, name:file.name}; document.getElementById('slot'+n).classList.add('loaded'); document.getElementById('name'+n).innerText = file.name.substring(0,15); document.getElementById('btns'+n).style.display = 'flex'; } } function loadDeck(e, deckId, n) { e.stopPropagation(); // Stop clicking the upload box if(!library[n]) return; let d = deckId==='A'?deckA:deckB; d.audio.src = library[n].url; document.getElementById('title-'+deckId).innerText = library[n].name; } // VISUALIZER BG const canvas = document.getElementById('viz-screen'); const cCtx = canvas.getContext('2d'); function loop() { requestAnimationFrame(loop); // Resize if(canvas.width !== window.innerWidth) canvas.width = window.innerWidth; let data = new Uint8Array(analyser.frequencyBinCount); analyser.getByteFrequencyData(data); // Draw simple wave cCtx.clearRect(0,0,canvas.width, canvas.height); cCtx.fillStyle = '#111'; let barW = canvas.width / 50; for(let i=0; i<50; i++) { let h = data[i] / 2; cCtx.fillStyle = `rgba(0, 255, 204, ${h/100})`; cCtx.fillRect(i*barW, 0, barW-2, h); } // Simulate VU Meters let avg = data[10] / 255; // Rough volume approx document.getElementById('vu-l').style.height = (avg * 100 * deckA.gain.gain.value) + '%'; document.getElementById('vu-r').style.height = (avg * 100 * deckB.gain.gain.value) + '%'; } loop(); </script> </body> </html> ">
