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Prim normals point straight out of their surfaces, caps face out, and a flexible prim rebuilds in place - #556

Merged

RyeMutt merged 17 commits into

developfrom

rye/prim-normals

Oct 25, 2026

Merged

Prim normals point straight out of their surfaces, caps face out, and a flexible prim rebuilds in place#556
RyeMutt merged 17 commits into
developfrom
rye/prim-normals

Commits on Oct 23, 2026
- A round prim's side normals point straight out of its surface
  
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- A side joins its normals only across a seam its own positions close
  
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  229feac
- A cap faces away from its wall whatever its first triangle is
  
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  e1098be
- Prim normals come out of generation unit length, never zero
  
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  8c1037b
- A flexible prim's partial build rewrites its faces in place, tangents included
  
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  2e7574f
- A hole stays inside its wall
  
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  9f9952f
- The sculpt sphere placeholder is laid out as the sphere stitching expects
  
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  6293125
- A side's normal pass takes each edge once, and a hole clamps only to edges it crosses
  
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- A cap with no area is held to a finite normal that faces out
  
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- Prim and sculpt tangents take meshoptimizer's weighting, eight lanes at a time
  
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  5551f6c
- Prim generation's per-vertex loops run on the SIMD kernels
  
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  0439c77
- A circle path ends on one station, and Lengyel's fallback tangent lies in its normal's plane
  
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  3491dbd
- Media zoom faces the face, not the camera
  
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  65f5954
- Flexible prims take cheap tangents, and small prims skip what they do not need
  
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  20ddd28
- A circle2 path's point count is the stations it builds
  
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  51ca024
- The tangent check holds no vertex to meshoptimizer's where it welds it to another
  
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- Merge remote-tracking branch 'public/develop' into rye/prim-normals
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  committed
  8dc82e9

Commits

Commits on Oct 23, 2026