31 lines
No EOL
652 B
C#
31 lines
No EOL
652 B
C#
using System;
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using System.Collections.Generic;
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namespace DefaultNamespace
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{
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public static class RandomExtensions
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{
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public static double NextGaussian(this Random r, double mu = 0, double sigma = 1)
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{
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var u1 = r.NextDouble();
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var u2 = r.NextDouble();
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var rand_std_normal = Math.Sqrt(-2.0 * Math.Log(u1)) * Math.Sin(2.0 * Math.PI * u2);
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var rand_normal = mu + sigma * rand_std_normal;
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return rand_normal;
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}
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public static void Shuffle<T>(this IList<T> list)
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{
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var n = list.Count;
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while (n > 1)
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{
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n--;
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var k = UnityEngine.Random.Range(0, n + 1);
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(list[k], list[n]) = (list[n], list[k]);
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}
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}
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}
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} |