Drum machine · nex-n2-pro
Build a 16-step drum machine with a clickable grid for kick, snare, hi-hat, and clap, all sounds synthesized with the Web Audio API, plus play/stop and an adjustable BPM.
transcript · 8 messages
Build a 16-step drum machine with a clickable grid for kick, snare, hi-hat, and clap, all sounds synthesized with the Web Audio API, plus play/stop and an adjustable BPM.
thinking
We need respond by creating index.html in current directory. Need inspect maybe empty. Need build single-page web app self-contained. Need use tools. We can write file. Need maybe no external. Need implement drum machine 16-step grid, kick snare hihat clap, sounds synthesized Web Audio API. Play/stop, adjustable BPM. Need ensure index.html present. Could use bash ls then write. Need maybe provide final concise. Let's create robust app. Need think about implementation. We need produce single self-contained file named index.html current dir. We can write. Need maybe include CSS/JS inline. Need no external. Need all sounds synthesized. Need clickable grid. Play/stop adjustable BPM. Need maybe handle AudioContext resume after user interaction. Need 16 columns. 4 rows. Active toggles. Maybe default pattern. Need sequencer scheduling with lookahead for precise timing. Need visual current step. Need clear/random/metronome? User didn't ask, can include. But not overdo. Need ensure sounds synthesized: kick oscillator, snare noise+osc, hihat noise highpass, clap noise bursts. Need file. Use write. Could also inspect dir.
{"command":"ls -la /tmp/ws","timeout":10}total 0 drwxr-sr-x. 2 node node 6 Aug 1 19:56 . drwxrwsrwx. 3 root node 16 Aug 1 19:56 ..
thinking
Need write.
/tmp/ws/index.html (18125 bytes)Successfully wrote 18125 bytes to /tmp/ws/index.html
thinking
Need verify present maybe maybe inspect maybe run maybe no. Need maybe ensure no external resources. Could grep http.
{"command":"ls -l /tmp/ws/index.html && ! rg -n \"https?://|<link|<script[^>]+src\" /tmp/ws/index.html","timeout":10}-rw-r--r--. 1 node node 18127 Aug 1 19:57 /tmp/ws/index.html
thinking
Done — `index.html` is present in `/tmp/ws` and is fully self-contained with inline CSS, inline JavaScript, no external resources, a 16-step clickable drum grid, synthesized Web Audio drum sounds, play/stop, and adjustable BPM.
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
16-step drum machine grid with kick/snare/hi-hat/clap rows, working click toggles, play state, and step highlighting.
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.