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KB: crouch eye-drop residual was false -- measurement error, corrected

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Joe DiPrima
2026-08-06 08:55:29 -05:00
co-authored by Claude Fable 5
parent 18418af8fd
commit 58c3db090b
3 changed files with 13 additions and 10 deletions
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context/locomotion.md
+5 -3
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@@ -323,9 +323,11 @@ duckmpA_031). Clip data verified from BTL4.RES (root joint drops -2.22, knees +-
are exact mirrors; interior 'squi/sqdi' variants ship for all 8 chassis). Full solo cycle
benched (BT_BTNTEST + BT_BTNTEST2): squat -> hold (joints steady for minutes) -> rise ->
standing zeros. Myomer speed-cripple feeder (@004b8be3) still deferred [T3] -- see mech4 banner.
RESIDUAL (open-questions): the pilot's own cockpit EYE height does not ride the root drop
(the interior clip authors joint-0 translation for exactly that; the DPLEyeRenderable chain
composition needs a look). Bench traps for reruns: MP button delivery can miss if pressed
The pilot's EYE drops too -- the task-#15 bob channel (gBTEyeBobY <- jointlocal.y each frame)
carries the parked -2.22 into DPLEyeRenderable (log receipt bob=-2.2187 through the hold; frame
receipt duckcp_030 = grass-level view). A false "eye does not drop" residual was briefly filed
2026-08-06 -- measurement error (canopy-dominant diff crops; the canopy drops WITH the eye, so
the interior looks unchanged and only the through-window ground shifts). Bench traps for reruns: MP button delivery can miss if pressed
during round-start jitter (press >= poll 900 after GO); diags all BT_DUCK_LOG-gated.
## Key Relationships
context/open-questions.md
-7
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@@ -1142,10 +1142,3 @@ Gitea #116 and `experience-levels.md`.
- **des_night-family pages have subtle fog deltas** (both sets near-black); arena/polar night
pages carry the dramatic 5↔40 near-plane swing. If testers report "searchlight does nothing"
on some maps, it's page authoring, not the mechanism.
## Crouch residual (2026-08-06 — the feature itself is LIVE, [[locomotion]] §CROUCH)
- **Pilot eye height does not ride the root drop.** The interior squat clip animates joint 0
(ball+translation, −2.22) precisely so the cockpit eye lowers; the joint holds (probe-verified)
and the eye's segment chain passes through jointlocal, yet the cockpit view returns to standing
height after the squat parks. Suspect: DPLEyeRenderable's parent-chain composition not
including the BallTranslateJointRenderable's live matrix. Cosmetic (body + replication correct).
scratchpad/SESSION_HANDOFF_20260803.md
+8
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@@ -435,3 +435,11 @@ MP button delivery mode-mask-clean (one miss = round-start jitter; press >= poll
Glass key: F4. RESIDUAL: pilot's own eye doesn't ride the root drop (open-questions;
DPLEyeRenderable chain). Release-note items now queued: authentic scoring, dark nights +
searchlight (F5), CROUCH (F4), wall-death respawn fix, #131/#89/#134.
## 2026-08-06 (cont): the crouch "eye residual" was FALSE -- eye drop works
User challenged "the eye is a joint, how does it not move" -- correct. The bob channel
(gBTEyeBobY <- jointlocal.y, task #15) carries the parked -2.2187 (gaitSM log receipt) and the
eye applies it unclamped; duckcp_030.png = the grass-level crouched cockpit view. My pixel-diff
crops were canopy-dominant (the canopy drops WITH the eye -> interior looks unchanged) and I
anchored on pre-park frames. open-questions entry removed; locomotion.md corrected. CROUCH IS
FULLY COMPLETE: pilot eye + body + hold + rise + MP replication, zero residuals.