Piano synth · qwen3.5-9b
Output saved · Stopped by an API error Cost / run $0.0010 Runtime 175.2s
A model request failed and its retries ran out. The output is the HTML saved before that.
Prompt for this run
Build a playable piano keyboard using the provided Tone.js library. 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. Use the provided `tone.min.js` (global `Tone`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Display one chromatic octave from C4 through C5, with correctly placed black and white keys and visible note labels. - Map computer keys A W S E D F T G Y H U J K in order to those 13 notes. Pressing a screen key or its computer key starts the note; releasing it starts the envelope's release phase. - Use a synthesized voice with an ADSR envelope and support at least three simultaneous notes. Highlight keys while held. Prevent keyboard auto-repeat from creating duplicate sustained voices. - Release held voices when the pointer is released outside a key or the window loses focus, so notes cannot remain stuck. - Activate audio through a user gesture and synthesize all sound without audio files. Display the computer-key mapping. Verify: Play a few notes using the available mouse and keyboard actions. Check note/key labeling, any observable press-and-release highlighting, and the console after audio activation. Briefly inspect the input handlers for matching note-start and note-release behavior.
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 · 9 messages
Build a playable piano keyboard using the provided Tone.js library. 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. Use the provided `tone.min.js` (global `Tone`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Display one chromatic octave from C4 through C5, with correctly placed black and white keys and visible note labels. - Map computer keys A W S E D F T G Y H U J K in order to those 13 notes. Pressing a screen key or its computer key starts the note; releasing it starts the envelope's release phase. - Use a synthesized voice with an ADSR envelope and support at least three simultaneous notes. Highlight keys while held. Prevent keyboard auto-repeat from creating duplicate sustained voices. - Release held voices when the pointer is released outside a key or the window loses focus, so notes cannot remain stuck. - Activate audio through a user gesture and synthesize all sound without audio files. Display the computer-key mapping. Verify: Play a few notes using the available mouse and keyboard actions. Check note/key labeling, any observable press-and-release highlighting, and the console after audio activation. Briefly inspect the input handlers for matching note-start and note-release behavior.
thinking
The user wants me to build a playable piano keyboard using Tone.js. Let me break down the requirements: 1. Display one chromatic octave from C4 through C5 (13 notes: C4, C#4, D4, D#4, E4, F4, F#4, G4, G#4, A4, A#4, B4, C5) 2. Correctly placed black and white keys with visible note labels 3. Map computer keys: A W S E D F T G Y H U J K (13 keys) to the 13 notes 4. Pressing a screen key or computer key starts the note 5. Releasing starts the envelope's release phase 6. Use synthesized voice with ADSR envelope 7. Support at least 3 simultaneous notes 8. Highlight keys while held 9. Prevent keyboard auto-repeat from creating duplicate sustained voices 10. Release held voices when pointer released outside key or window loses focus 11. Activate audio through user gesture 12. Synthesize all sound without audio files 13. Display computer-key mapping I need to use the provided tone.min.js library. Let me first check what's in the current directory.
{"command":"ls -la"}total 356 drwx------ 3 node node 4096 Oct 7 05:01 . drwxrwxrwt 6 root root 4096 Oct 7 05:01 .. drwxr-xr-x 3 node node 4096 Oct 7 05:01 .home -rw-r--r-- 1 node node 349169 Oct 7 05:01 tone.min.js
thinking
Good, I have tone.min.js available. Now let me build the piano keyboard. I need to: 1. Create HTML structure for piano keys 2. Style with CSS for proper black/white key layout 3. Use Tone.js for audio synthesis with ADSR envelope 4. Handle keyboard and mouse events 5. Prevent auto-repeat 6. Handle focus/pointer release Let me create the index.html file with all the required functionality.
index.html (17512 bytes)Successfully wrote to index.html