/// <summary>
/// Corutine to rebuild parts of a PQS sphere
/// </summary>
public static IEnumerator RebuildSphere(PQ[] quads, PQS pqs)
{
for (Int32 i = 0; i < quads.Length; i++)
{
PQ quad = quads[i];
quad.isBuilt = false;
quad.isBuilt = pqs.BuildQuad(quad);
pqs.GetType().GetMethod("UpdateEdgeNormals", BindingFlags.Instance | BindingFlags.NonPublic).Invoke(pqs, new[] { quad });
yield return null;
}
}