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Synthwave sunset · muse-spark-1.2

Create an animated synthwave sunset: a glowing gradient sun with scanlines setting over an infinite neon grid that scrolls toward the viewer, with a starfield and a reflected horizon.

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transcript · 4 messages
user

Create an animated synthwave sunset: a glowing gradient sun with scanlines setting over an infinite neon grid that scrolls toward the viewer, with a starfield and a reflected horizon.

assistant
write index.html (22445 bytes)
toolResult

Successfully wrote 22445 bytes to index.html

assistant

Synthwave sunset created in **index.html**: - **Glowing gradient sun** with increasing scanline density toward the bottom, rim-light and outer bloom, clipped to circular shape. - **Animated sunset** : `Sunset` slider scrubs sun from high sky to below horizon, with `Auto` toggle for continuous ping-pong cycle. - **Neon infinite grid** perspective-projected with horizontal + vertical lines, neon glow + white core, horizontal lines animating toward viewer (speed slider 0-2x). Horizon bloom and double-neon line. - **Starfield** with twinkling, horizon fade + occasional shooting star. - **Mountain silhouette** layers occluding the sun + **water reflection** tapered/trapezoid with shimmer lines and waviness. - Controls: Play/Pause (Space), Speed, Sunset/Auto, Neon color dots (cyan/pink/purple/green), Scanlines toggle, Reset. Fully self-contained, no external resources, works sandboxed.

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

modelmuse-spark-1.2
vendorMeta
harnesspi-agent
generated2026-08-13

EVALUATION

4/5 working

Animated synthwave sunset with glowing sun, scanlines, scrolling neon grid, starfield, and controls; Enter/Space toggled pause, arrows/WASD had no effect.

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 motion19.0%
on click23.0%
on drag21.0%
on wheel17.2%
on enter + space1.8%
on arrow keys0.0%
on w/a/s/d0.0%
frame spread28.7 / 255
console errors0
js errors none

METRICS

runtime54.0s
tokens in11k
tokens out10k
cached3.6k
cost / run$0.0538