public NoiseGenerator(float _frequency = 0.5f)
        {
            int seed = (new Random()).Next(int.MinValue, int.MaxValue);

            Console.log("Random Seed: " + seed);
            frequency = _frequency;
            simplex   = new SimplexNoiseGenerator(seed);
        }
 public NoiseGenerator(int _seed, float _frequency = 0.5f)
 {
     Console.log("Seed: " + _seed);
     frequency = _frequency;
     simplex   = new SimplexNoiseGenerator(_seed);
 }