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deckcraft/crates/geom
Brandon ThomasandClaude Opus 5.5 cf7599ca2c Geom: sun, wave and double wave by the standard's formulas
The sun's rays were thin spikes around a smaller core, and the waves'
curves had the wrong amplitude and shift. They now follow ECMA-376: the
sun's eight triangular rays with bases at the standard's fractions of the
core's margin around a circle of radius 50% - adj (with its handle), and
the waves' cubic edges whose control points sit 10/3 of the amplitude off
the edge, shifted by adj2 (text rectangles too). Checked against
PowerPoint's outlines at three sizes and adjust values (within 0.13 pt).

Wild synthetic set: sun 30 -> 9 per-shape diff; group fill slide (waves)
7.88 -> 5.82; whole set 4.71 -> 4.65.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-13 08:14:09 -04:00
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