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Matrix digital rain · gpt-5.6-luna-pro

Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.

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transcript · 6 messages
user

Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.

assistant
thinking
**Creating index.html**

Okay, I see that I need to create an `index.html` file. First, I should check the current working directory (cwd) to figure out where I’m setting this up. Knowing the right location is key to keeping everything organized. Once I confirm the cwd, I can start building out the HTML structure. I want to make sure I include all the necessary elements for a solid starting point! Let's get this rolling!
bash {"command":"pwd && ls -la"}
toolResult

/tmp/ws total 0 drwxr-sr-x. 2 node node 6 Aug 1 17:50 . drwxrwsrwx. 3 root node 16 Aug 1 17:50 ..

assistant
thinking
**Creating index for animation**

I think we need to create an index, which probably means implementing it straightforwardly. I might not need to inspect anything further, just focusing on a polished canvas effect. It should have a fullscreen black background, be responsive, and include some katakana elements with fading trails that are bright. Also, I need to ensure it resizes properly, considering the device pixel ratio for the canvas dimensions. Let's get started on this animation!
write /tmp/ws/index.html (3804 bytes)
toolResult

Successfully wrote 3804 bytes to /tmp/ws/index.html

assistant

Created `/tmp/ws/index.html` with a self-contained full-screen Matrix digital rain effect featuring: - Falling green katakana glyph columns - Trailing fade/afterimage - Bright glowing leading characters - Responsive canvas resizing - No external resources or network requests

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-pro
vendorOpenAI
harnesspi-agent
generated2026-08-01

EVALUATION

3/5 working

Continuous animated Matrix rain with fading green trails and bright leading tips, though glyphs look like simple lines rather than katakana characters.

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 motion18.4%
on click28.5%
on drag32.5%
on wheel29.8%
on enter + space32.9%
on arrow keys30.1%
on w/a/s/d28.1%
frame spread20.1 / 255
console errors0
js errors none

METRICS

runtime32.1s
tokens in10k
tokens out4.9k
cached13k
cost / run$0.0214