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style(wind): adopt automatically discovered runtime formatting

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Bilawal Sidhu committed 2026-09-15 10:54:09 -05:00
1 parent a5dad07cc4
commit 9ae79cf34a
13 files changed
+421 -97
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src/layers/wind/rendering.js
+23 -6
View File
@@ -48,7 +48,7 @@ export function createWindRendering({ cesium, container, getViewer } = {}) {
const lon = west + Math.random() * (east - west);
const lat = south + Math.random() * (north - south);
return {
lon: ((lon + 180) % 360 + 360) % 360 - 180,
lon: ((((lon + 180) % 360) + 360) % 360) - 180,
lat: Math.max(-89, Math.min(89, lat)),
age: Math.random() * 30,
};
@@ -103,12 +103,21 @@ export function createWindRendering({ cesium, container, getViewer } = {}) {
resize(viewer);
if (particles.length !== budget()) seed();
const camera = viewer.scene.camera;
const signature = [camera?.positionWC?.x, camera?.positionWC?.y, camera?.positionWC?.z, camera?.heading, camera?.pitch, camera?.roll].join(',');
const signature = [
camera?.positionWC?.x,
camera?.positionWC?.y,
camera?.positionWC?.z,
camera?.heading,
camera?.pitch,
camera?.roll,
].join(',');
if (signature !== cameraSignature) {
context.clearRect(0, 0, cssWidth, cssHeight);
cameraSignature = signature;
}
const dt = lastTime ? Math.min(1, Math.max(0, (time - lastTime) / 1000)) : 0.016;
const dt = lastTime
? Math.min(1, Math.max(0, (time - lastTime) / 1000))
: 0.016;
lastTime = time;
// Fade previous trails by ERASING them (destination-out). A translucent
// black fill would instead accumulate alpha and saturate the overlay.
@@ -124,8 +133,15 @@ export function createWindRendering({ cesium, container, getViewer } = {}) {
const speedScale = Math.max(1, Math.min(4000, cameraHeight / 400));
let occluder = null;
try {
if (cesium.EllipsoidalOccluder && cesium.Ellipsoid && scene.camera?.positionWC)
occluder = new cesium.EllipsoidalOccluder(cesium.Ellipsoid.WGS84, scene.camera.positionWC);
if (
cesium.EllipsoidalOccluder &&
cesium.Ellipsoid &&
scene.camera?.positionWC
)
occluder = new cesium.EllipsoidalOccluder(
cesium.Ellipsoid.WGS84,
scene.camera.positionWC,
);
} catch {
occluder = null; // fall back to frustum-only culling
}
@@ -194,7 +210,8 @@ export function createWindRendering({ cesium, container, getViewer } = {}) {
if (canvas) {
resize(getViewer?.());
seed();
if (running && frame === null) frame = globalThis.requestAnimationFrame(draw);
if (running && frame === null)
frame = globalThis.requestAnimationFrame(draw);
}
},
/** Start the animation loop. Safe to call before a field is installed. */