Reaction-diffusion · gpt-6-luna
Output saved · Stopped by an API error Cost / run $0.0018 Runtime 67.8s
A model request failed and its retries ran out. The output is the HTML saved before that.
Prompt for this run
Build a Gray-Scott reaction-diffusion simulation on a canvas. 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: - Maintain two chemical concentration fields, U and V, with diffusion and the Gray-Scott reaction, feed, and removal terms. Evolve these fields rather than displaying a prerecorded pattern. - Use a square simulation grid with wrapping boundaries. Choose stable time and spatial steps with parameters Du = 0.16, Dv = 0.08, feed = 0.035, and kill = 0.062 in simulation units. - Initially fill the field with U = 1 and V = 0, then seed a small central region with V and reduced U. Map concentrations to contrasting colors so evolving organic patterns are visible. - Clicking or dragging adds V and reduces U near the pointer. Provide Pause/Resume and Reset; Reset restores the initial fields and seed. - Choose Canvas 2D or WebGL, and bound grid resolution and work per frame to keep interaction responsive. Verify: Sample early field evolution, then seed a separate region with the pointer. Check that the added region affects the following frames. Pause and resume, then reset and compare the restored central seed with the initial scene.
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 · 11 messages
Build a Gray-Scott reaction-diffusion simulation on a canvas. 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: - Maintain two chemical concentration fields, U and V, with diffusion and the Gray-Scott reaction, feed, and removal terms. Evolve these fields rather than displaying a prerecorded pattern. - Use a square simulation grid with wrapping boundaries. Choose stable time and spatial steps with parameters Du = 0.16, Dv = 0.08, feed = 0.035, and kill = 0.062 in simulation units. - Initially fill the field with U = 1 and V = 0, then seed a small central region with V and reduced U. Map concentrations to contrasting colors so evolving organic patterns are visible. - Clicking or dragging adds V and reduces U near the pointer. Provide Pause/Resume and Reset; Reset restores the initial fields and seed. - Choose Canvas 2D or WebGL, and bound grid resolution and work per frame to keep interaction responsive. Verify: Sample early field evolution, then seed a separate region with the pointer. Check that the added region affects the following frames. Pause and resume, then reset and compare the restored central seed with the initial scene.
thinking
{"command":"ls -la","timeout":10000}total 12 drwx------ 3 node node 4096 Oct 14 01:16 . drwxrwxrwt 6 root root 4096 Oct 14 01:16 .. drwxr-xr-x 3 node node 4096 Oct 14 01:16 .home
thinking
index.html (12134 bytes)Successfully wrote to index.html
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**Investigating a bug in code** I'm examining a piece of code that has an extraneous comma in the function call: `seed(wrap(Math.round(...),), wrap(...), 7);`. I’m considering if the trailing comma is causing issues, and I realize that trailing commas are valid in JavaScript function calls when there’s more than one argument. So, I think it should work fine with one argument. I'll need to run it in the browser and check the console for any errors.
{"action":"inspect","x":0,"y":0,"toX":0,"toY":0,"text":"","delta":0}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."],"dom":"FIELD STUDIES · 01\nReaction / Diffusion\nSIMULATION RUNNING\nCONCENTRATION FIELD\nGRID 220 × 220 / STEP 000040\nU + V · PERIODIC BOUNDARIES\nEXPERIMENT CONTROLS\nⅡ Pause\n↺ Reset\n\nClick or drag across the field to introduce V. The reaction will carry your mark outward.\n\nActive V-rich region\nGRAY–SCOTT SYSTEM\nDiffusion · U\n0.160\nDiffusion · V\n0.080\nFeed rate · F\n0.035\nKill rate · k\n0.062\nU-rich\nV-rich\nDiscrete reaction field · stable explicit integration\nREADY · 60 FPS TARGET","images":"attached"}
thinking
{"action":"click","x":220,"y":300,"toX":0,"toY":0,"text":"","delta":0}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."],"dom":"FIELD STUDIES · 01\nReaction / Diffusion\nSIMULATION RUNNING\nCONCENTRATION FIELD\nGRID 220 × 220 / STEP 001288\nU + V · PERIODIC BOUNDARIES\nEXPERIMENT CONTROLS\nⅡ Pause\n↺ Reset\n\nClick or drag across the field to introduce V. The reaction will carry your mark outward.\n\nActive V-rich region\nGRAY–SCOTT SYSTEM\nDiffusion · U\n0.160\nDiffusion · V\n0.080\nFeed rate · F\n0.035\nKill rate · k\n0.062\nU-rich\nV-rich\nDiscrete reaction field · stable explicit integration\nREADY · 60 FPS TARGET","images":"attached"}
thinking
{"action":"click","x":941,"y":183,"toX":0}