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Author	SHA1	Message	Date
karti	acf4d1a510	feat: the state becomes California, and the port fills with ships Stage 1 of one California. The owner's complaint had two halves and this is the first: the state board was a CROPPED SLAB. `california.ts` stopped at 38.05 N, so the board disagreed with its own minimap about the shape of California in a single frame, and Bug Fire's 93,733 acres burned off-frame while the panel said all clear. Bounds now run 32.50-42.05 N / -124.50 to -114.0 W — Cape Mendocino, the ruled Oregon parallel, the 120th-meridian corner into the Nevada diagonal. And it got cheaper. 391,169 triangles to 375,351, while gaining the North Coast, the Sacramento Valley, the Klamath knot, the Cascade arc, Shasta at 4,320 m and Lassen at 3,190 m. Extending the bounds alone would have doubled the lattice to 168,813 points and blown the mobile cap; coarsening cellLat 0.022 -> 0.0312 and cellLng 0.027 -> 0.0383 holds it at ~83,800. The cell as a FRACTION of the board moves 0.0030 -> 0.0033 — unchanged in frame — because the camera retreats to frame whatever it is given. That argument was already written in the pack's own comment. The second half — three boards becoming one world you zoom through — is NOT here. Merging at Bay density would be 34.04M triangles, 13x the highest budget, and merging at SoCal density would downgrade San Francisco from 40 m lots to 164 m. Both delete the board every marketing still is shot from. `sf.ts` and `socal.ts` are untouched by design. Aerial perspective, which the state board could not have had before. The old fog started at 1.15 board spans = 944 km, on a board whose longest diagonal is 820 km — so no pixel could ever be fogged. Fog now responds to camera altitude, clamped to the authored pair as a ceiling. `Atmosphere.aerial(env, view)` is a second pure method returning `{ near, far }` and deliberately no colour. That is structural, not stylistic: it is why a future camera-dependent term cannot reach `environmentKey()`'s colour fingerprint and start rebuilding the PMREM cubemap on every camera step. Coarsening the fingerprint instead would have hidden one instance and armed the mechanism. A mutation-tested seam guard fails if anyone merges the two paths back together. The port. Terminal Island rendered as a bare tan polygon with generic white blocks while the chapter text called it the busiest port complex in the hemisphere. Now six container yards drawn as canvas atlases, 56 gantry cranes at varied boom angles, the 13 km San Pedro breakwater, the dredged channel. Five buckets merging ACROSS ports the way airports.ts merges across fields, so a second complex costs no extra draws: +11 draws and +4,377 triangles for all of it. At vertical exaggeration 3.4 a 130 m gantry is 1.132 units tall against a 400 m ship's 1.024 long — the crane is the taller object, and it is what makes a port read as a port from altitude. Ships, and the wake carries the information. Moored hulls have no foam, verified at three terminals; a tug under way in the Main Channel trails a clean Kelvin V. One hull geometry, one InstancedMesh, orientation from the BERTH rather than the wire. The AIS gate strips sog 102.3, heading 511 and cog 360 — all mean "not available" — with an explicit test that cog 358.7 SURVIVES, because a naive range check on cog eats real headings near north. "Empty or full" is not in AIS position reports and is not invented per ship. The honest answer is at port level and is a better story: 348,691 of 460,467 boxes left Los Angeles empty in July 2026, corroborated by FBX01 $7,491 inbound against FBX02 $347 outbound. Radar and birds ship dark, and say why. California is 0.47% wet and migration is nocturnal and seasonal, so both layers have nothing to say on most days. The panel reads "No radar feed is configured, so this board draws no weather. That is a fact about this box, not about the sky." Also recorded, and it matters beyond this commit: the GPU on amd-server never leaves 500 MHz of a possible 2725, traced across 80 seconds of sustained load. `bay-area/desktop` is fragment-bound at that clock and sits on the vsync deadline, so a trivial change in fragment work flips it between 16.8 and 33.3 with geometry identical to the digit. Every frame-time number measured on this box is a floor. Two investigations reached two different wrong conclusions from single-run comparisons before this was traced. Geometry is the gate; frame time is advisory. No cap was raised. Tests 1,340 -> 1,540, server 280 -> 295. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-22 23:35:09 -07:00
karti	8fb85cd2e5	feat: give the boards a horizon, a sea that reflects, and a state worth flying over The wide shot, which is what an anonymous visitor actually lands on. The sea was `MeshLambertMaterial` — a material with no specular term at all, by construction — on a board where water is half the frame. It is now a low-roughness dielectric that reads `scene.environment`, with a runtime-generated tiling swell normal map sampled twice per fragment at two scales and two headings, so the sun breaks into a moving glitter path instead of a mirror point. An `onBeforeCompile` patch takes the body colour toward the deep value looking straight down and leaves it to the reflection at grazing, and walks roughness up past 1.6 board spans so the far water cannot shimmer. The swell spectrum is 1/k^2 and not 1/k because the first attempt was photographed: at 1/k every component carries the same slope, the shortest wave wins, and the sea renders as hard diagonal corduroy. A test holds it now. The board no longer ends in a diamond. The sea plane went from 1.8 board spans to 18, past the fog's far plane from anywhere the orbit reaches, and the sky is a world-space dome rather than a screen-space gradient. That gradient was wrong in a way dusk made obvious: the sunset band was painted along the bottom of the picture, under the board, while the true horizon at the top of frame stayed zenith blue. `daylight.ts` pinning the horizon stop to the fog colour to hide the seam was a symptom of it. Terrain casts shadows. Left off before because double-sided terrain against a ~16 m-per-texel shadow map gives acne; `shadowSide = BackSide` is the cure, shot at four sun elevations down to +0.0 degrees to confirm no stippling. The caster is a stride-2 decimation appended to the same index buffer and swapped in by `onBeforeShadow`/`onAfterShadow` via `drawRange`: no extra draw call, a quarter of the depth cost, and indistinguishable from the full-resolution caster in a side-by-side crop. Stride 1 was measured at +65,566 triangles and would have missed the budget by ~47,000, so it was not shipped. California reads as California. It was a beige kite: the eastern edge one ruled line for five degrees of latitude, the south closing in a diagonal V, the whole south-east a featureless tan wedge. Now the coast runs to the Mexican border with San Diego on it, the eastern edge follows the Colorado and the Nevada diagonal, and the south-east is the Basin and Range — forty parallel desert ridges throwing shadows east, Death Valley as a white pan between the Panamints and the Black Mountains, the Salton Sea the one cool value for two hundred kilometres. The opening pose is retuned to the bigger board; the old 452/392 stand-off left a slab of empty ocean where the state should be. The aircraft were six pixels. Measured, by enlarging a screenshot 200% to find one at all — indistinguishable from a dead pixel, on a board whose entire claim is that the sky is live. They are airliners now, with planform and trail, and clicking one raises its card for a signed-out visitor. The Model X is off the wall. It stood at floor level outside a studio 188 m up a Transbay tower, reading as a car balanced on a parapet. The apron is now chosen from `site.elevation`, which the pack already carries — not from an office id, which is the bug class this repo already hit once when a door marker gated on `id === "sf"` and would have pinned the Los Angeles building to San Francisco. Also fixed, and nearly shipped: sea z-fighting dithered every flat piece of ground on the Bay Area and SoCal boards. And one test asserted an exact source line for the water material, so the better multi-line implementation failed it — it now asserts the property (dielectric, metalness 0, low roughness) rather than the author's first guess at formatting. Tests 964 -> 1015. California desktop 562/650 draw calls and 728,744/750,000 triangles — 2.8% of triangle headroom left, which is the number the next person should check first. No budget was raised. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-21 23:43:14 -07:00
karti	fe58290728	California gets roads, traffic, and a car to follow	2026-08-11 18:24:53 -07:00

Author

SHA1

Message

Date

karti

acf4d1a510

feat: the state becomes California, and the port fills with ships

**Stage 1 of one California.** The owner's complaint had two halves and this is
the first: the state board was a CROPPED SLAB. `california.ts` stopped at 38.05 N,
so the board disagreed with its own minimap about the shape of California in a
single frame, and Bug Fire's 93,733 acres burned off-frame while the panel said
all clear. Bounds now run 32.50-42.05 N / -124.50 to -114.0 W — Cape Mendocino,
the ruled Oregon parallel, the 120th-meridian corner into the Nevada diagonal.

**And it got cheaper.** 391,169 triangles to 375,351, while gaining the North
Coast, the Sacramento Valley, the Klamath knot, the Cascade arc, Shasta at 4,320 m
and Lassen at 3,190 m. Extending the bounds alone would have doubled the lattice
to 168,813 points and blown the mobile cap; coarsening cellLat 0.022 -> 0.0312 and
cellLng 0.027 -> 0.0383 holds it at ~83,800. The cell as a FRACTION of the board
moves 0.0030 -> 0.0033 — unchanged in frame — because the camera retreats to frame
whatever it is given. That argument was already written in the pack's own comment.

The second half — three boards becoming one world you zoom through — is NOT here.
Merging at Bay density would be 34.04M triangles, 13x the highest budget, and
merging at SoCal density would downgrade San Francisco from 40 m lots to 164 m.
Both delete the board every marketing still is shot from. `sf.ts` and `socal.ts`
are untouched by design.

**Aerial perspective, which the state board could not have had before.** The old
fog started at 1.15 board spans = 944 km, on a board whose longest diagonal is
820 km — so no pixel could ever be fogged. Fog now responds to camera altitude,
clamped to the authored pair as a ceiling.

`Atmosphere.aerial(env, view)` is a second pure method returning `{ near, far }`
and **deliberately no colour**. That is structural, not stylistic: it is why a
future camera-dependent term cannot reach `environmentKey()`'s colour fingerprint
and start rebuilding the PMREM cubemap on every camera step. Coarsening the
fingerprint instead would have hidden one instance and armed the mechanism. A
mutation-tested seam guard fails if anyone merges the two paths back together.

**The port.** Terminal Island rendered as a bare tan polygon with generic white
blocks while the chapter text called it the busiest port complex in the
hemisphere. Now six container yards drawn as canvas atlases, 56 gantry cranes at
varied boom angles, the 13 km San Pedro breakwater, the dredged channel. Five
buckets merging ACROSS ports the way airports.ts merges across fields, so a
second complex costs no extra draws: +11 draws and +4,377 triangles for all of it.

At vertical exaggeration 3.4 a 130 m gantry is 1.132 units tall against a 400 m
ship's 1.024 long — the crane is the taller object, and it is what makes a port
read as a port from altitude.

**Ships, and the wake carries the information.** Moored hulls have no foam,
verified at three terminals; a tug under way in the Main Channel trails a clean
Kelvin V. One hull geometry, one InstancedMesh, orientation from the BERTH rather
than the wire. The AIS gate strips sog 102.3, heading 511 and cog 360 — all mean
"not available" — with an explicit test that cog 358.7 SURVIVES, because a naive
range check on cog eats real headings near north.

"Empty or full" is not in AIS position reports and is not invented per ship. The
honest answer is at port level and is a better story: 348,691 of 460,467 boxes
left Los Angeles empty in July 2026, corroborated by FBX01 $7,491 inbound against
FBX02 $347 outbound.

**Radar and birds ship dark, and say why.** California is 0.47% wet and migration
is nocturnal and seasonal, so both layers have nothing to say on most days. The
panel reads "No radar feed is configured, so this board draws no weather. That is
a fact about this box, not about the sky."

Also recorded, and it matters beyond this commit: **the GPU on amd-server never
leaves 500 MHz of a possible 2725**, traced across 80 seconds of sustained load.
`bay-area/desktop` is fragment-bound at that clock and sits on the vsync deadline,
so a trivial change in fragment work flips it between 16.8 and 33.3 with geometry
identical to the digit. Every frame-time number measured on this box is a floor.
Two investigations reached two different wrong conclusions from single-run
comparisons before this was traced. Geometry is the gate; frame time is advisory.
No cap was raised.

Tests 1,340 -> 1,540, server 280 -> 295.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-08-22 23:35:09 -07:00

karti

8fb85cd2e5

feat: give the boards a horizon, a sea that reflects, and a state worth flying over

The wide shot, which is what an anonymous visitor actually lands on.

**The sea was `MeshLambertMaterial`** — a material with no specular term at all,
by construction — on a board where water is half the frame. It is now a
low-roughness dielectric that reads `scene.environment`, with a runtime-generated
tiling swell normal map sampled twice per fragment at two scales and two
headings, so the sun breaks into a moving glitter path instead of a mirror point.
An `onBeforeCompile` patch takes the body colour toward the deep value looking
straight down and leaves it to the reflection at grazing, and walks roughness up
past 1.6 board spans so the far water cannot shimmer.

The swell spectrum is 1/k^2 and not 1/k because the first attempt was
photographed: at 1/k every component carries the same slope, the shortest wave
wins, and the sea renders as hard diagonal corduroy. A test holds it now.

**The board no longer ends in a diamond.** The sea plane went from 1.8 board
spans to 18, past the fog's far plane from anywhere the orbit reaches, and the
sky is a world-space dome rather than a screen-space gradient. That gradient was
wrong in a way dusk made obvious: the sunset band was painted along the *bottom*
of the picture, under the board, while the true horizon at the top of frame stayed
zenith blue. `daylight.ts` pinning the horizon stop to the fog colour to hide the
seam was a symptom of it.

**Terrain casts shadows.** Left off before because double-sided terrain against a
~16 m-per-texel shadow map gives acne; `shadowSide = BackSide` is the cure, shot
at four sun elevations down to +0.0 degrees to confirm no stippling. The caster is
a stride-2 decimation appended to the same index buffer and swapped in by
`onBeforeShadow`/`onAfterShadow` via `drawRange`: no extra draw call, a quarter of
the depth cost, and indistinguishable from the full-resolution caster in a
side-by-side crop. Stride 1 was measured at +65,566 triangles and would have
missed the budget by ~47,000, so it was not shipped.

**California reads as California.** It was a beige kite: the eastern edge one
ruled line for five degrees of latitude, the south closing in a diagonal V, the
whole south-east a featureless tan wedge. Now the coast runs to the Mexican
border with San Diego on it, the eastern edge follows the Colorado and the Nevada
diagonal, and the south-east is the Basin and Range — forty parallel desert ridges
throwing shadows east, Death Valley as a white pan between the Panamints and the
Black Mountains, the Salton Sea the one cool value for two hundred kilometres.
The opening pose is retuned to the bigger board; the old 452/392 stand-off left a
slab of empty ocean where the state should be.

**The aircraft were six pixels.** Measured, by enlarging a screenshot 200% to
find one at all — indistinguishable from a dead pixel, on a board whose entire
claim is that the sky is live. They are airliners now, with planform and trail,
and clicking one raises its card for a signed-out visitor.

**The Model X is off the wall.** It stood at floor level outside a studio 188 m up
a Transbay tower, reading as a car balanced on a parapet. The apron is now chosen
from `site.elevation`, which the pack already carries — not from an office id,
which is the bug class this repo already hit once when a door marker gated on
`id === "sf"` and would have pinned the Los Angeles building to San Francisco.

Also fixed, and nearly shipped: sea z-fighting dithered every flat piece of ground
on the Bay Area and SoCal boards. And one test asserted an exact source line for
the water material, so the better multi-line implementation failed it — it now
asserts the property (dielectric, metalness 0, low roughness) rather than the
author's first guess at formatting.

Tests 964 -> 1015. California desktop 562/650 draw calls and 728,744/750,000
triangles — 2.8% of triangle headroom left, which is the number the next person
should check first. No budget was raised.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-08-21 23:43:14 -07:00

karti

fe58290728

California gets roads, traffic, and a car to follow

2026-08-11 18:24:53 -07:00

3 Commits