public void ClearFlagsBits(BVHNodeFlags bits) { _flags &= ~bits; }
public bool IsFlagBitSet(BVHNodeFlags bit) { return((_flags & bit) != 0); }
public void SetFlagsBits(BVHNodeFlags bits) { _flags |= bits; }
public void SetFlags(BVHNodeFlags flags) { _flags = flags; }