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feat(demo): rebuild the head-turn demo on parts 1.75.0, with an independent neck, matched ears and yielded inpaint - #114

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naru/112-head-turn-parts-1-72
Oct 29, 2026
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firejune merged 1 commit into
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naru/112-head-turn-parts-1-72

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Closes #112.

This rebuilds the head-turn demo on @rig-c/parts@1.75.0 to fix three defects in motion:

Defect Cause Fix
neck tear and baked collar line the neck came from the head-run cut, which carries garment collar pixels assemble the neck from the full run as an independent chest-bound body unit (unitDepths.neck 31.7338)
ears moving unequally (16.06 px vs 5.35 px of yaw) implicit depth sampled where the face art is transparent equal explicit turn.unitDepths (-7.0432) for both ears
grey patch in front of the neck See-through's inpainted inner collar kept on topwear assemble.yield_refused: true (parts#821); the large patch is gone, and a fine trace a few pixels long remains

Before the eye-check, each of the 8 animations was rendered at setup, min, max and |max−min| at native scale. Every touched boundary was cropped native and 4×, and each crop was labelled. No open tear was found. The neck/collar is labelled ghost for the remaining trace. The owner approved the rebuilt preview.

Verification Result
targeted / full 12/0, 75/0
build / verify / links 14 pages, 8 redirects / 14 HTML, 14 Markdown / 0 broken
fresh clean rebuild 11/11 byte-identical

core 2.79.0 and play 1.21.0 are unchanged. No art was edited and no cut was added.

🤖 Generated with Claude Code

…endent neck, matched ears and yielded inpaint

The head-turn demo showed three defects in motion.

- A tear and a baked collar line in the neck. The neck came from the
  head-run cut, which carries garment collar pixels. It is now
  assembled from the full run (`["neck", "full", "neck"]`) as its own
  body-group unit: a `neck_part` bone under `chest`, one rigid
  segment, and `turn.body.unitDepths.neck` 31.7338. Body yaw carries it
  independently of the head.
- Ears that moved unequally. Their implicit depths were sampled where
  the face art is transparent: 16.06 px of yaw travel on one side, 5.35
  on the other. Equal explicit `turn.unitDepths` (-7.0432) make both
  travel the same.
- A grey patch in front of the neck. It is See-through's inpainted
  inner collar, kept on topwear where the painting shows neck skin.
  `assemble.yield_refused: true` (parts 1.75.0) yields those
  drift-refused pixels to the neck behind. The large patch is gone; a
  fine stippled trace a few pixels long remains at native scale.

Before the eye-check, every animation (body_turn, clip, gaze_x,
gaze_y, idle, roll, tilt, turn) was rendered at setup, min, max and
|max−min| at native scale. Each touched boundary was cropped native and
4× and labelled. No open tear was found, and the neck/collar is labelled
ghost for the remaining trace. The owner approved the rebuilt preview.

Verification: targeted 12/0, full 75/0, build 14 pages / 8 redirects,
verify 14 HTML / 14 Markdown / 8 redirects, 0 broken links, and a fresh
clean rebuild byte-identical 11/11. core 2.79.0 and play 1.21.0 are
unchanged. No art was edited and no cut was added.

Closes #112

Co-Authored-By: Naru <342599188+fj-naru[bot]@users.noreply.github.com>
Co-Authored-By: Roa <342598975+fj-roa[bot]@users.noreply.github.com>
@firejune

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@codex review

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chatgpt-codex-connector Bot commented Oct 29, 2026 •

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Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-10-29T09:23:27.133476Z a86b984 Manual request
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Codex Review: Didn't find any major issues. Another round soon, please!

Reviewed commit: a86b9846b4

ℹ️ About Codex in GitHub

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  • Comment "@codex review".

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@firejune
firejune merged commit 1e9eebb into main Oct 29, 2026
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@firejune
firejune deleted the naru/112-head-turn-parts-1-72 branch October 29, 2026 09:24
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head-turn demo: rebuild on parts 1.72.0 — back hair and bangs turn with depth (surface on weighted meshes), the neck follows both turns

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