resolveUnassignedPoints method

ConvexHull resolveUnassignedPoints(
  1. List<Face2> newFace2s
)

Implementation

ConvexHull resolveUnassignedPoints(List<Face2> newFace2s) {
  if (unassigned.isEmpty() == false) {
    VertexNode? vertex = unassigned.first();

    do {
      // buffer 'next' reference, see .deleteFace2Vertices()
      final nextVertex = vertex!.next;
      num maxDistance = tolerance;
      Face2? maxFace2;

      for (int i = 0; i < newFace2s.length; i++) {
        final face = newFace2s[i];

        if (face.mark == visible) {
          final distance = face.distanceToPoint(vertex.point);

          if (distance > maxDistance) {
            maxDistance = distance;
            maxFace2 = face;
          }

          if (maxDistance > 1000 * tolerance) break;
        }
      }

      // 'maxFace2' can be null e.g. if there are identical vertices

      if (maxFace2 != null) {
        addVertexToFace2(vertex, maxFace2);
      }

      vertex = nextVertex;
    } while (vertex != null);
  }

  return this;
}