feat(black-hole): Sgr A* lensed close-up — cubemap capture, geodesic lens pass, emission annulus - #645

Merged

rulkens merged 62 commits into

mainfrom

worktree-render-black-hole

Sep 2, 2026

Commits on Sep 1, 2026

docs: capture Sgr A* black-hole close-up design (grill session), park on body slab

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34853e0
docs(spec): render Sgr A* black-hole close-up design

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7170060
Merge remote-tracking branch 'origin/main' into worktree-render-black-hole
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a98bdc1
docs(plan): render-black-hole implementation plan (17 tasks, 2 PR phases)

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f60ba2b
feat(bodies): admit anchor bodies as slab candidates

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b2dcb9b
feat(render-targets): add fixedSizePx for canvas-independent multi-layer targets

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23969f7
fix(bodies): update stale visibleSlabBodies test header comment

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f92f9ed
feat(camera): per-body standoff floor, wired to Sgr A*'s 2 r_s

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cc1d7f3
test(selection): cover the standoffRadii narrowing in extractSelectionRow

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872e9a8
refactor(camera): merge pivotRadiusMpc + standoffRadii into one PivotFraming getter

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6923db0
refactor(camera): fix review findings on the PivotFraming merge

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3f91349
Merge origin/main (prep #649 squash + camera prep #648) into worktree-render-black-hole

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2129c35
feat(bodies): Schwarzschild radius from mass via physics util

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2fab16e
feat(engine): add sgrAStarLensing fade band for black-hole lens pass

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bbaf071
feat(data): add BLACK_HOLES registry and BlackHoleRow type

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d3498bd
fix(bodies): test reference from spec, comment budget, tolerance clarity

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aacd451
feat(gpu): add SgrAStarLensingUniforms struct + CPU packer

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494e422
feat(engine): sky-cubemap render-target row + skyCubemapFaceContext

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f09e752
feat(lensing): Schwarzschild deflection LUT for the Sgr A* lensing pass

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03ca898
fix(gpu): add WESL-parsing parity leg for SgrAStarLensingUniforms

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ab85df3
fix(lensing): review round 1 — fix dangling comment pointer, trim d.ts header, format

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8f1cfa9
fix(engine): sky-cubemap capture gets its own near plane, not the cosmo camera's

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45912e2
feat(engine): Sgr A* far-field glint rides bodyGlintsLayer

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84f47c7
fix(engine): review fixes for Sgr A* far-field glint (task 8 round 1)

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b21a5fc
feat(engine): amortized sky-cubemap capture schedule + frameProgram wiring

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2a8a329
fix(engine): build the sky-cubemap runtime hand-off (round 1 review fix)

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ef31b08
feat(lensing): sky-cubemap capture selects by opt-in flag, not target (Ruling 6)

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13ee8d3
feat(lensing): Sgr A* geodesic lens pass — layer, renderer, and WESL shader

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9e8de25
fix(lensing): centre the annulus march on closest approach, not the camera

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bb00481
feat(lensing): draw-order reorder + wire the missing (hdr, BODY[k]) step (Task 14)

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feat(lensing): band-gated (hdr, NEAR0) step split for the S-star trails/glints (Task 14b, Ruling 9)

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e3310f5
fix(sgr-a-lensing): jitter, vertical falloff, and bent-ray annulus march

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46d779f
feat(black-hole): viewSlot — sky-cubemap capture actually draws (Task 13b)

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a99d241
fix(sgr-a-lensing): flip deflection rotation sign, stop skipping the inner march

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0fe9131
fix(black-hole): per-face colour attachment for the sky-cubemap capture

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315e89e
fix(black-hole): capture the sky cubemap from the camera, not Sgr A*

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d15e95e
fix(black-hole): pin the sky-cubemap capture eye across a sweep

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cb06e62
fix(black-hole): a sky-cubemap capture step always clears its face

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ebbf79e
feat(black-hole): Sgr A* lens debug-panel tuning knobs (Task 15, temp)

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f8701bf
feat(black-hole): add 2048 cubemap option, emission strength/tint knobs (T15)

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276130d
fix(black-hole): mirror sky-cubemap capture vps for WebGPU's top-left origin

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65d84a1
fix(black-hole): fade the lens where deflection is subpixel, not at the LUT edge

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576a636
fix(black-hole): slab candidacy spans the lens fade band, killing the pop-in

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4ea8a07
fix(black-hole): default the sky-cubemap knob to 1024, not 512 (T15)

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760e72a
fix(black-hole): size the lens quad on the CPU in f64, killing the close-orbit shake

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8ea6870
feat(camera): Sgr A* focus arrival lands at ~30.4 r_s, not screen-fill

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3654890
fix(black-hole): flag textured-disks into the sky-cubemap capture roster

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2c63b9a
test(black-hole): pin the sky-cubemap disk-capture invariant (Task 13b)

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eab5878
fix(black-hole): a capture step clears its face once, not once per slab

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c9362d9
feat(black-hole): bake tuned disc orientation defaults (incl 0.35, PA 2.21)

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docs(backlog): lens crossfade duplicate-points item

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docs(black-hole): the lens tuning section ships

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7bfb81e
perf(black-hole): the sky-cubemap row's 50 MB exists only inside the band

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9e57a25
fix(black-hole): knee the aggregate glow on sky-cubemap capture faces

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82e8e0f
refactor(black-hole): review minors from the whole-branch pass

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326d522
docs(black-hole): bring the feature's comments inside the budget

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a69293b

Commits on Sep 2, 2026

fix(sgr-a-star): sky-cubemap release hysteresis + re-review residual cleanup

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7e4c170
perf(harness): sgr-a-star-lens scenario — the in-band regime

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chore(black-hole): deletion-audit — drop dead seam, dead uniform payload, mirror tests

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docs(plan): tick Tasks 1–16 of render-black-hole (T17 awaits user attestation)

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docs(plan): mark render-black-hole complete

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style: prettier over the black-hole branch's touched files

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