Brandon ThomasandClaude Opus 5.5 9d4541b8b4 Render: bevelled shapes lit like PowerPoint's default 3-D light (approximation) ...

A shape with a top bevel seen through a 3-D scene drew flat. Fitted to
PowerPoint's export of the bevel presets on a solid fill with the default
three-point light rig and matte material, DeckCraft now lights the face
and a band as wide as the bevel inside the outline as surfaces: Lambert
light from the upper left (azimuth 240, 45 degrees up), c * (0.453 +
0.731 * n.L) + 14.7 per channel, the band's normal tilting outwards by
the profile's slope (quarter circle by default, straight for angle).
Within about 15 grey levels RMS of PowerPoint on the circle bevel; other
profiles use the circle's, pictures get light and dark veils, and other
light rigs and materials (and anything without a scene) stay flat.

Wild synthetic set: bevel presets slide 5.20 -> 2.48, materials/rigs
13.25 -> 12.73.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-10-13 08:16:41 -04:00

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src

Render: bevelled shapes lit like PowerPoint's default 3-D light (approximation)

2026-10-13 08:16:41 -04:00

tests/fixtures

Emoji: drawn in colour, with families, skin tones and flags joined (#278)

2026-10-12 17:48:51 -04:00

Cargo.toml

Transitions like PowerPoint: measured frame by frame and retuned (#366)

2026-10-13 05:31:13 -04:00