Function _getRelativeRectEdgeValue

docs/app/js/sanddance-app.js:31789–31791

(edge, rect)

    else return value * -1;
}
function _getRelativeRectEdgeValue(edge, rect) {
    return _getRelativeEdgeValue(edge, _getEdgeValue(rect, edge));
}
function _getRelativeEdgeDifference(rect, hostRect, edge) {
    var edgeDifference = _getEdgeValue(rect, edge) - _getEdgeValue(hostRect, edge);
    return _getRelativeEdgeValue(edge, edgeDifference);