Flow-field particles · qwen3.6-35b-a3b
Output generated Cost / run $0.0026 Runtime 58.0s
Prompt for this run
Build a full-screen flow-field particle animation using the provided p5.js library in global or instance mode. 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 `p5.min.js` (global `p5`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Animate at least 2,000 particles, with motion guided by a smoothly varying Perlin-noise vector field. Nearby particles should follow locally coherent directions. - Leave fading trails and vary particle colors over time. Evolve the field gradually so the pattern changes instead of repeating a short recorded sequence. - Recycle particles at the canvas boundaries and keep the population bounded. Avoid allocating an ever-growing trail history. - Provide Pause/Resume and Restart. Restart clears trails and initializes a new particle arrangement. - Fit the viewport and keep controls responsive at 1200 by 800. Choose the palette, field scale, and particle speed freely. Verify: Sample the animation at several moments to inspect coherent nearby particle motion, fading trails, and changing colors. Pause and resume, then use Restart and check that the trails clear and a new arrangement appears.
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 full-screen flow-field particle animation using the provided p5.js library in global or instance mode. 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 `p5.min.js` (global `p5`) through a plain local script tag; the runner will inline it into the final artifact. Required behavior: - Animate at least 2,000 particles, with motion guided by a smoothly varying Perlin-noise vector field. Nearby particles should follow locally coherent directions. - Leave fading trails and vary particle colors over time. Evolve the field gradually so the pattern changes instead of repeating a short recorded sequence. - Recycle particles at the canvas boundaries and keep the population bounded. Avoid allocating an ever-growing trail history. - Provide Pause/Resume and Restart. Restart clears trails and initializes a new particle arrangement. - Fit the viewport and keep controls responsive at 1200 by 800. Choose the palette, field scale, and particle speed freely. Verify: Sample the animation at several moments to inspect coherent nearby particle motion, fading trails, and changing colors. Pause and resume, then use Restart and check that the trails clear and a new arrangement appears.
thinking
The user wants me to build a full-screen flow-field particle animation using p5.js. Let me first check what files are available in the current directory, then build the complete application. Key requirements: 1. 2,000+ particles with Perlin-noise vector field 2. Fading trails, varying colors over time 3. Particle recycling at canvas boundaries 4. Pause/Resume and Restart controls 5. Full-screen 1200x800 viewport 6. Use p5.min.js from local file Let me start by checking the directory for p5.min.js, then build the complete index.html.
{"command":"ls -la /tmp/job-F6yxHm/"}total 1024 drwx------ 3 node node 4096 Oct 14 02:34 . drwxrwxrwt 6 root root 4096 Oct 14 02:34 .. drwxr-xr-x 3 node node 4096 Oct 14 02:34 .home -rw-r--r-- 1 node node 1034532 Oct 14 02:34 p5.min.js
thinking
Good, p5.min.js is present. Now let me build the complete index.html with: - Inline CSS for styling - p5.js loaded via script tag from local p5.min.js - Flow-field particle system with 2000+ particles - Perlin noise for the vector field - Fading trails via semi-transparent background - Pause/Resume and Restart controls - Canvas sized to 1200x800 Let me write a comprehensive implementation.
/tmp/job-F6yxHm/index.html (6484 bytes)Successfully wrote to /tmp/job-F6yxHm/index.html
thinking
Good, the file is written. Now let me open it in the browser to verify it works correctly.
{"action":"screenshot"}Frame 1, +0ms
[Browser image supplied to model]
{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","error: p5.noise is not a function"],"dom":"Pause\nResume\nRestart\nFlow Field — 2,000 particles","images":"attached"}
thinking
The error is clear: `p5.noise is not a function`. In p5.js global mode, noise should be called as `noise()` directly (not `p5.noise()`), or with the p5 instance. Since we're using global mode with a plain `<script src="p5.min.js">`, the noise function should be available globally. Let me check the p5.min.js usage - in global mode, functions like `noise()`, `noiseDetail()`, etc. are available directly without the `p5.` prefix. I was calling `noise()` on the p5 instance which is wrong in global mode. The noise function is a global function in p5.js global mode. I also need to make sure the canvas fits 1200x800 properly. Let me fix: 1. `noise()` instead of `p5.noise()` - noise is a global function 2. Ensure the canvas is properly sized 3. Check other potential issues
The error is `p5.noise is not a function` — in p5.js global mode, `noise()` is a global function, not a property of `p5`. Let me fix that and also optimize the rendering.