feat: three.js parity sweep — API, shadows, lighting, transforms across all renderers#60

Merged

apresmoi merged 197 commits into

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feat/three-parity

Jun 3, 2026

Commits on May 29, 2026

test(bench): add three.js parity bench (no bridging)
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feat(polycss): three.js-shaped position + zoom at API boundary
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chore(website): legacy zoom compat for vanilla-mounted scenes
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test(bench): drive directional + ambient lights from synced sliders
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feat(polycss): light direction in user-frame at the API boundary
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feat(lighting): physical Lambert in shadePolygon — Three.js parity
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fix(lighting): BRDF_Lambert wraps ambient too — exact Three.js parity
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fix(shadow): only paint shadows on receivers when one exists
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feat(shadow): physical Three.js-shaped shadow color
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test(bench): rebake floor atlas on light change for static-mode parity
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test(bench): add cottage OBJ + dropdown for textured parity testing
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test(bench): cottage normalization → bbox MIN at origin (PolyCSS parity)
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test(bench): cottage on floor + no texture flicker on drag
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refactor(parser): remove gridShift — bbox MIN at origin, like Three.js
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test(bench): enlarge three.js shadow frustum so grazing-light shadows don't clip
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test(bench): scale Three.js DirectionalLight.position out to fix shadow clip
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test(bench): auto-fit three.js shadow camera to the scene bbox
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feat(lighting): physical Lambert for textured atlas tints
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fix(bench): textureLighting "static" → "baked" — restore per-face Lambert
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test(bench): textureQuality: 1 — sharp cottage textures in parity bench
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test(bench): add baked/dynamic lighting mode dropdown
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Commits on May 30, 2026

Commits on May 31, 2026

Commits on Jun 1, 2026

Commits on Jun 2, 2026

Commits on Jun 3, 2026