Function modifyPolygonWindingDirectionPoints

docs/app/js/sanddance-app.js:101669–101676

(points, direction, options = {})

    }
}
function modifyPolygonWindingDirectionPoints(points, direction, options = {}) {
    const currentDirection = getPolygonWindingDirectionPoints(points, options);
    if (currentDirection !== direction) {
        points.reverse();
        return true;
    }
    return false;
}
function getPolygonWindingDirectionPoints(points, options = {}) {
    return Math.sign(getPolygonSignedAreaPoints(points, options));
}