Function getPolygonWindingDirectionPoints

docs/app/js/sanddance-app.js:101677–101679

(points, options = {})

    return false;
}
function getPolygonWindingDirectionPoints(points, options = {}) {
    return Math.sign(getPolygonSignedAreaPoints(points, options));
}
function getPolygonSignedAreaPoints(points, options = {}) {
    const { start =0 , end =points.length  } = options;
    let area = 0;