Commit e405e10

if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {

edge = d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? [ x0, abs(x2 - x0) < ε ? y2 : y1 ] : abs(y3 - y1) < ε && x1 - x3 > ε ? [ abs(y2 - y1) < ε ? x2 : x1, y1 ] : abs(x3 - x1) < ε && y3 - y0 > ε ? [ x1, abs(x2 - x1) < ε ? y2 : y0 ] : abs(y3 - y0) < ε && x3 - x0 > ε ? [ abs(y2 - y0) < ε ? x2 : x0, y0 ] : null);

halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(edge, cell.site, null));

}

}

}