Drum machine · qwen3-30b-a3b-instruct-2507
Output saved · Stopped by an API error Cost / run $0.0012 Runtime 276.7s
A model request failed and its retries ran out. The output is the HTML saved before that.
Prompt for this run
Build a 16-step drum sequencer using the Web Audio API. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Show four labeled rows for kick, snare, hi-hat, and clap, each with 16 independently toggleable steps. Start with a simple audible pattern. - Treat the 16 steps as one bar of sixteenth notes in 4/4 time. Provide Play, Stop, Clear, and a BPM control from 60 to 180. - During playback, highlight the current step and synthesize the enabled drum voices. Editing steps or BPM must affect playback without creating duplicate sequences. - Stop cancels future hits and resets the playhead to the first step. Clear disables all steps. Starting again uses the currently displayed pattern. - Unlock audio through a user gesture and synthesize distinct percussion sounds from oscillators/noise and envelopes; do not load audio files. Verify: Toggle a step and start playback. Check that the playhead advances across the grid and responds to a BPM change. Stop and start again, checking that the displayed pattern is retained and the playhead restarts from the first step.
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
METRICS
Transcript · 80 messages
Build a 16-step drum sequencer using the Web Audio API. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Show four labeled rows for kick, snare, hi-hat, and clap, each with 16 independently toggleable steps. Start with a simple audible pattern. - Treat the 16 steps as one bar of sixteenth notes in 4/4 time. Provide Play, Stop, Clear, and a BPM control from 60 to 180. - During playback, highlight the current step and synthesize the enabled drum voices. Editing steps or BPM must affect playback without creating duplicate sequences. - Stop cancels future hits and resets the playhead to the first step. Clear disables all steps. Starting again uses the currently displayed pattern. - Unlock audio through a user gesture and synthesize distinct percussion sounds from oscillators/noise and envelopes; do not load audio files. Verify: Toggle a step and start playback. Check that the playhead advances across the grid and responds to a BPM change. Stop and start again, checking that the displayed pattern is retained and the playhead restarts from the first step.
index.html (10805 bytes)Successfully wrote to index.html
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{"action":"click","x":500,"y":300}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nReady","images":"model does not support images"}
{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
{"action":"click","x":600,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nCleared","images":"model does not support images"}
{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
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{"action":"click","x":600,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nCleared","images":"model does not support images"}
{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
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{"action":"click","x":500,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
{"action":"click","x":500,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
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{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
{"action":"click","x":500,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
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{"action":"click","x":500,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
{"action":"click","x":500,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
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{"action":"click","x":550,"y":100}{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"16-Step Drum Sequencer\nPlay\nStop\nClear\nBPM:\nKick\nSnare\nHiHat\nClap\nStopped","images":"model does not support images"}
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