Arpeggiator pad · minimax-m2.7
Using the pre-provided tone.min.js (global Tone), build a clickable pentatonic pad grid that triggers a synth voice with reverb, plus a play/stop button that runs an arpeggiator sequence at an adjustable tempo. All sound synthesized, no audio files.
transcript · 10 messages
Using the pre-provided tone.min.js (global Tone), build a clickable pentatonic pad grid that triggers a synth voice with reverb, plus a play/stop button that runs an arpeggiator sequence at an adjustable tempo. All sound synthesized, no audio files.
thinking
The user wants me to build a single-page web app with: 1. A pentatonic pad grid (clickable) 2. A synth voice with reverb 3. A play/stop button for an arpeggiator sequence 4. Adjustable tempo for the arpeggiator 5. All sound synthesized using Tone.js 6. Using the pre-provided tone.min.js Let me first check what's in the current directory to see if tone.min.js is available.
{"command":"ls -la"}total 388 drwxrwxrwx 3 node node 96 Jul 8 00:35 . drwxr-xr-x 1 root root 4096 Jul 8 00:35 .. -rw-r--r-- 1 node node 349169 Jul 8 00:35 tone.min.js
thinking
Good, tone.min.js is already present. Now I'll create the index.html file with: 1. A pentatonic scale pad grid (maybe 2 octaves) 2. Synth voice with reverb using Tone.js 3. Play/Stop button for arpeggiator 4. Adjustable tempo control Pentatonic scale notes (in C): C, D, E, G, A Let me build a nice looking pad grid with these notes across 2 octaves. I'll create a visually appealing, self-contained HTML file with all CSS and JS inline.
index.html (13900 bytes)Successfully wrote 13900 bytes to index.html
thinking
I've created the index.html file with: 1. A pentatonic pad grid (10 pads - 2 octaves of C pentatonic: C, D, E, G, A) 2. Synth voice with reverb using Tone.js PolySynth 3. Play/Stop button for an arpeggiator sequence 4. Adjustable tempo control 5. Reverb wet/dry control 6. Keyboard support (ASDFGHJKL; for the 10 pads, spacebar for play/stop) 7. Visual feedback with animations Let me verify the file was created correctly.
{"command":"ls -la && head -50 index.html"}total 404 drwxrwxrwx 4 node node 128 Jul 8 00:36 . drwxr-xr-x 1 root root 4096 Jul 8 00:35 .. -rw-r--r-- 1 node node 13908 Jul 8 00:36 index.html -rw-r--r-- 1 node node 349169 Jul 8 00:35 tone.min.js <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Pentatonic Pad</title> <style> @import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&display=swap'); * { margin: 0; padding: 0; box-sizing: border-box; } body { min-height: 100vh; background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%); font-family: 'Orbitron', monospace; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px; color: #e0e0ff; } h1 { font-size: 2rem; margin-bottom: 10px; text-shadow: 0 0 20px rgba(138, 43, 226, 0.8); letter-spacing: 4px; } .subtitle { font-size: 0.75rem; color: #8888aa; margin-bottom: 30px; letter-spacing: 2px; } .controls { display: flex; align-items: center; gap: 25px; margin-bottom: 30px; flex-wrap: wrap; justify-content: center; }
thinking
The file was created successfully. Let me verify the script section properly loads tone.min.js and has all the audio functionality.
{"command":"grep -n \"tone.min.js\\|Tone\\.\" index.html | head -20"}278: <script src="tone.min.js"></script> 305: await Tone.start(); 308: reverb = new Tone.Reverb({ 315: feedback = new Tone.FeedbackDelay({ 322: masterGain = new Tone.Gain(0.7).connect(feedback); 325: synth = new Tone.PolySynth(Tone.Synth, { 340: const filter = new Tone.Filter(2000, 'lowpass').connect(masterGain); 413: Tone.Transport.bpm.value = tempo; 418: sequence = new Tone.Sequence((time, step) => { 438: Tone.Transport.start(); 452: Tone.Transport.stop(); 474: Tone.Transport.bpm.value = tempo;
thinking
The file is complete with: 1. `tone.min.js` loaded locally 2. Tone.js API properly used for: - PolySynth for the pad voices - Reverb effect - Feedback delay for extra depth - Filter for warmth - Transport for tempo control - Sequence for the arpeggiator All features are implemented: - 10 pentatonic pads (C4-A5) with color coding - Click/touch to play notes with reverb - Play/Stop button for arpeggiator - Adjustable tempo (60-240 BPM) - Reverb wet control - Keyboard support (A-L keys for pads, spacebar for play/stop) - Visual feedback with animations The file is self-contained with all CSS and JS inline.
Done! I've created a self-contained **Pentatonic Pad** app with: ### Features: - **10 color-coded pads** — C major pentatonic across 2 octaves (C4-A5) - **Synth voice with reverb** — PolySynth with sine harmonics, envelope shaping, lowpass filter, plus reverb + feedback delay effects - **Arpeggiator** — 12-step pattern that plays through the pentatonic scale - **Play/Stop button** — Animated when active - **Tempo slider** — Adjustable 60-240 BPM - **Reverb control** — Wet/dry mix slider - **Keyboard support** — Keys `A-L` for pads, `Space` for play/stop ### Audio Chain: ``` PolySynth → Filter → MasterGain → FeedbackDelay → Reverb → Destination ``` ### Visual Design: - Dark cosmic gradient background - Orbitron font for sci-fi aesthetic - Glowing pads with hover/active states - Current arpeggiator step highlighted Open `index.html` in a browser to use it. Click any pad to trigger notes, or hit **Play** to start the arpeggiator.
TAKE IT TO CODE
A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.
RUN
EVALUATION
Pentatonic pad grid with play/stop, tempo and reverb sliders; clicks/keys highlight pads and toggle arpeggiator state.
Vision grade · anthropic/claude-sonnet-5
MEASUREMENTS
Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.