Function fovyToAltitude

docs/app/js/sanddance-app.js:80427–80429

(fovy)

    return 2 * Math.atan(0.5 / altitude) * RADIANS_TO_DEGREES;
}
function fovyToAltitude(fovy) {
    return 0.5 / Math.tan(0.5 * fovy * DEGREES_TO_RADIANS);
}
function worldToPixels(xyz, pixelProjectionMatrix) {
    const [x, y, z = 0] = xyz;
    (0, _assertDefault.default)(Number.isFinite(x) && Number.isFinite(y) && Number.isFinite(z));