Function clickVertexController

src/components/shapes/display_outlines.js:202–215

(numClicks, evt)

    }

    function clickVertexController(numClicks, evt) {
        if(numClicks === 2) {
            indexI = +evt.srcElement.getAttribute('data-i');
            indexJ = +evt.srcElement.getAttribute('data-j');

            var cell = polygons[indexI];
            if(
                !pointsOnRectangle(cell) &&
                !pointsOnEllipse(cell)
            ) {
                removeVertex();
            }
        }
    }

    function addVertexControllers(g) {
        vertexDragOptions = [];