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Flow-field particles · qwen3.5-397b-a17b

Using the pre-provided p5.min.js (global p5, instance or global mode), create a full-screen flow-field particle animation: thousands of particles advected by Perlin-noise vectors, leaving fading trails, with colors shifting over time.

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user

Using the pre-provided p5.min.js (global p5, instance or global mode), create a full-screen flow-field particle animation: thousands of particles advected by Perlin-noise vectors, leaving fading trails, with colors shifting over time.

assistant
thinking
The user wants me to create a single-page web app with a flow-field particle animation using p5.js. The p5.min.js file is already present in the current directory, so I need to:

1. First check that p5.min.js exists
2. Create an index.html file with:
   - A <style> tag for CSS (full screen, no scrollbars)
   - A <script src="p5.min.js"></script> to load p5
   - A <script> tag with the flow-field particle animation code

The animation should have:
- Thousands of particles
- Perlin noise-based flow field for direction
- Fading trails
- Color shifting over time

Let me create this self-contained HTML file.
write /tmp/ws/index.html (2737 bytes)
toolResult

Successfully wrote 2737 bytes to /tmp/ws/index.html

assistant
thinking
I've created the index.html file with a complete flow-field particle animation. Let me verify it was written correctly by checking the file exists.
bash {"command":"ls -la /tmp/ws/"}
toolResult

total 1016 drwxr-sr-x. 2 node node 41 Aug 1 20:23 . drwxrwsrwx. 3 root node 16 Aug 1 20:23 .. -rw-r--r--. 1 node node 2737 Aug 1 20:23 index.html -rw-r--r--. 1 node node 1034532 Aug 1 20:23 p5.min.js

assistant
thinking
Both files are present:
- index.html (2737 bytes) - the flow-field particle animation
- p5.min.js (1034532 bytes) - the p5 library

The index.html file is complete with:
- Full-screen CSS styling (no scrollbars, black background)
- p5.min.js loaded via script tag
- 5000 particles advected by Perlin noise flow field
- Fading trails (semi-transparent black rectangle each frame)
- Color shifting over time (HSL color mode with rotating hue)

The task is complete!

Created `index.html` with a full-screen flow-field particle animation featuring: - **5,000 particles** advected by a 3D Perlin noise flow field (x, y, and time dimensions) - **Fading trails** via semi-transparent black overlay each frame - **Color shifting** - HSL hues rotate continuously over time with spatial variation - **Responsive** - adapts to window resize - **Self-contained** - uses the local `p5.min.js`, no external resources

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

modelqwen3.5-397b-a17b
vendorQwen
harnesspi-agent
generated2026-08-01

EVALUATION

4/5 working

Continuous flow-field particle trails with organic white streaks on black, animating smoothly regardless of input.

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.

idle motion22.2%
on click33.4%
on drag40.0%
on wheel37.9%
on enter + space35.7%
on arrow keys30.7%
on w/a/s/d30.3%
frame spread28.3 / 255
console errors0
js errors none

METRICS

runtime20.4s
tokens in7.4k
tokens out1.3k
cached0
cost / run$0.0060