Initial Commit

Assets/Scripts/Util/RandomExtensions.cs

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+using System;
+using System.Collections.Generic;
+
+namespace DefaultNamespace
+{
+	public static class RandomExtensions
+	{
+		public static double NextGaussian(this Random r, double mu = 0, double sigma = 1)
+		{
+			var u1 = r.NextDouble();
+			var u2 = r.NextDouble();
+
+			var rand_std_normal = Math.Sqrt(-2.0 * Math.Log(u1)) * Math.Sin(2.0 * Math.PI * u2);
+
+			var rand_normal = mu + sigma * rand_std_normal;
+
+			return rand_normal;
+		}
+
+		public static void Shuffle<T>(this IList<T> list)
+		{
+			var n = list.Count;
+			while (n > 1)
+			{
+				n--;
+				var k = UnityEngine.Random.Range(0, n + 1);
+				(list[k], list[n]) = (list[n], list[k]);
+			}
+		}
+	}
+}