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refactor(overlays): layer labels through the engine

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The world overlay host already projects through engine.projector and tests
the horizon with projector.horizonVisible; the last Cesium value on its
path, the snapshot of an entry's cullPosition, is now a geo Cartesian3.

Navara's horizonVisible is Cesium's EllipsoidalOccluder.isPointVisible:
tested against Cesium's own on 8 000 eye/point pairs (600 m to 20 000 km,
points under, on and over the ellipsoid; no disagreement) and at the limb
(a label 40 m under the ellipsoid just past the horizon is hidden, with its
cullPosition lifted 100 m it is shown). It ran per label per frame with
three new vectors each call; it now uses scratch vectors. Micro-measure
(500 labels per frame, no scavenge during the run): 7 941 B per frame
before, 51 after.

The W1 sources that projected with Cesium's SceneTransforms themselves -
the icon orientation's exact projection and the launch replay overlay - go
through the engine's projector when their scene or viewer has a registered
engine. Satellites, vessel labels and aircraft recession project nothing
themselves (the host does).

scripts/qa-overlay-engines.mjs publishes the same labels on both engines at
a city, an orbital and a limb pose and compares the painted rectangles:
worst 0 / 2 / 0 px; on both, the far-side label is not painted, the lifted
limb label is and the buried one is not.
This commit is contained in:
German Khokhlov committed 2026-10-16 21:14:52 +04:00
1 parent 311722e6de
commit 7d5a484796
9 files changed
+139 -37
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scripts/package-boundaries.json
+27 -9
View File
@@ -893,7 +893,9 @@
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js",
"src/time/clock.js"
"src/time/clock.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},
@@ -947,7 +949,9 @@
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js",
"src/time/clock.js"
"src/time/clock.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},
@@ -988,7 +992,9 @@
"src/geo/scaleToGeodeticSurface.js",
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js"
"src/geo/developerError.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},
@@ -1028,7 +1034,9 @@
"src/geo/scaleToGeodeticSurface.js",
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js"
"src/geo/developerError.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},
@@ -1088,7 +1096,9 @@
"src/geo/scaleToGeodeticSurface.js",
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js"
"src/geo/developerError.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},
@@ -1171,7 +1181,9 @@
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js",
"src/time/clock.js"
"src/time/clock.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},
@@ -1263,7 +1275,9 @@
"src/geo/scaleToGeodeticSurface.js",
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js"
"src/geo/developerError.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},
@@ -1414,7 +1428,9 @@
"src/geo/scaleToGeodeticSurface.js",
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js"
"src/geo/developerError.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["hls.js", "cesium"]
},
@@ -1557,7 +1573,9 @@
"src/geo/scaleToGeodeticSurface.js",
"src/geo/check.js",
"src/geo/debug.js",
"src/geo/developerError.js"
"src/geo/developerError.js",
"src/globe/contract.js",
"src/globe/cesium/engineFromViewer.js"
],
"external": ["cesium"]
},