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Flow-field particles · gpt-5.6-luna

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
**Looking into file structure**

I’m thinking about creating an index.html file and inspecting the relevant files first. It’s important to make sure I have everything organized before I start. I wonder what other files I might need to connect with the HTML. Should I check for any existing templates or styles? Getting this step right will help ensure that the overall project goes smoothly. Let’s take it one step at a time and see what I come up with!
bash {"command":"pwd && ls -la && printf '\\nPI env:\\n' && env | grep '^PI_' || true"}
toolResult

/tmp/ws total 1012 drwxr-sr-x. 2 node node 23 Aug 1 17:52 . drwxrwsrwx. 3 root node 16 Aug 1 17:52 .. -rw-r--r--. 1 node node 1034532 Aug 1 17:52 p5.min.js PI env: PI_CODING_AGENT=true PI_REASONING_LEVEL=medium PI_SESSION_FILE=/home/node/.pi/agent/sessions/--tmp-ws--/2026-08-01T17-52-01-246Z_019fbe74-4ede-7832-9534-5b3ae9422cd7.jsonl PI_PROVIDER=openrouter PI_MODEL=openai/gpt-5.6-luna PI_SESSION_ID=019fbe74-4ede-7832-9534-5b3ae9422cd7 PI_TIMEOUT_MS=600000

assistant
write /tmp/ws/index.html (5436 bytes)
toolResult

Successfully wrote 5436 bytes to /tmp/ws/index.html

assistant
thinking
**Testing syntax for interactions**

I think I need to test the existence of certain syntax. The `mousePressed` function in p5 should reset the scene with mouse interactions only when pressed in the draw loop. It’s set to full screen, which is good. I’m considering using p5's `random`, but I wonder if I should only rely on local exact values and not any external ones. I should probably inspect with `grep` to verify.
bash {"command":"ls -l index.html && grep -n \"p5.min.js\\|function setup\\|class Particle\" index.html"}
toolResult

-rw-r--r--. 1 node node 5442 Aug 1 17:52 index.html 20:<script src="p5.min.js"></script> 34:function setup() { 85:class Particle {

assistant

Created `/tmp/ws/index.html` with a self-contained full-screen p5.js flow-field animation featuring: - 5,200 Perlin-noise-driven particles - Fading trails and evolving HSB colors - Mouse-based field disturbance - Click-to-reseed interaction - Responsive canvas resizing - Minimal atmospheric HUD and particle readouts - No external resources beyond the provided local `p5.min.js`

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

modelgpt-5.6-luna
vendorOpenAI
harnesspi-agent
generated2026-08-01

EVALUATION

4/5 working

Flowing, colorful Perlin-noise particle trails animate continuously and shift hue with time; inputs mainly alter color/palette.

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 motion43.9%
on click52.2%
on drag54.1%
on wheel55.3%
on enter + space48.7%
on arrow keys50.7%
on w/a/s/d48.2%
frame spread23.3 / 255
console errors0
js errors none

METRICS

runtime25.0s
tokens in12
tokens out2.4k
cached7.3k
cost / run$0.0090