@loaders.gl/i3s/dist/lib/utils/convert-i3s-obb-to-mbs.js

i3s .

import { BoundingSphere } from '@math.gl/culling';
import { Ellipsoid } from '@math.gl/geospatial';
export function convertI3SObbToMbs(obb) {
    const halfSize = obb.halfSize;
    const centerCartesian = Ellipsoid.WGS84.cartographicToCartesian(obb.center);
    const sphere = new BoundingSphere().fromCornerPoints([
        centerCartesian[0] - halfSize[0],
        centerCartesian[1] - halfSize[1],
        centerCartesian[2] - halfSize[2]
    ], [
        centerCartesian[0] + halfSize[0],
        centerCartesian[1] + halfSize[1],
        centerCartesian[2] + halfSize[2]
    ]);
    return [...obb.center, sphere.radius];
}
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