Function thirdVertex

js/regularize.js:236–241

(t, u, v)

  if (opts.preserveExcluded) {
    const ew = geometry.attributes.excludeWeight;
    if (ew) {
      for (let t = 0; t < triCount; t++) {
        if (ew.getX(t * 3) > 0.99) {
          frozenVert[corners[t * 3]]     = 1;
          frozenVert[corners[t * 3 + 1]] = 1;
          frozenVert[corners[t * 3 + 2]] = 1;
        }
      }
    }