if (Math.abs(e.crossAngle()) > (Math.PI * 0.9) || Math.abs(e.next.crossAngle()) > (Math.PI * 0.9)) good = false;
if (e.t.aspect() < 0.1) good = false;
e.p2.quadricStale = true;
if (Math.abs(e.crossAngle()) > (Math.PI * 0.9) || Math.abs(e.next.crossAngle()) > (Math.PI * 0.9)) good = false;
if (e.t.aspect() < 0.1) good = false;
e.p2.quadricStale = true;