/// <summary>
 ///   Initializes a new instance of the <see cref="T:Crystal.RandomSelector"/> class.
 /// </summary>
 /// <param name="random">The random.</param>
 public RandomSelector(Pcg random)
 {
     _random = random;
 }
 /// <summary>
 ///   Initializes a new instance of the <see cref="T:Crystal.WeightedRandomSelector"/> class.
 /// </summary>
 /// <param name="random">The random.</param>
 public WeightedRandomSelector(Pcg random)
 {
     _random = random;
 }
 /// <summary>
 ///   Initializes a new instance of the <see cref="T:Crystal.RandomSelector"/> class.
 /// </summary>
 public RandomSelector()
 {
     _random = new Pcg();
 }
 /// <summary>
 ///   Initializes a new instance of the <see cref="T:Crystal.WeightedRandomSelector"/> class.
 /// </summary>
 public WeightedRandomSelector()
 {
     _random = new Pcg();
 }