reindexFace2s method
Implementation
ConvexHull reindexFace2s() {
List<Face2> activeFace2s = [];
for (var i = 0; i < faces.length; i++) {
var face = faces[i];
if (face.mark == Visible) {
activeFace2s.add(face);
}
}
faces = activeFace2s;
return this;
}