Function removeVertex

src/components/shapes/display_outlines.js:174–200

()

    }

    function removeVertex() {
        if(!polygons.length) return;
        if(!polygons[indexI]) return;
        if(!polygons[indexI].length) return;

        var newPolygon = [];
        for(var j = 0; j < polygons[indexI].length; j++) {
            if(j !== indexJ) {
                newPolygon.push(
                    polygons[indexI][j]
                );
            }
        }

        if(newPolygon.length > 1 && !(
            newPolygon.length === 2 && newPolygon[1][0] === 'Z')
        ) {
            if(indexJ === 0) {
                newPolygon[0][0] = 'M';
            }

            polygons[indexI] = newPolygon;

            redraw();
            update();
        }
    }

    function clickVertexController(numClicks, evt) {
        if(numClicks === 2) {