44 lines
1.3 KiB
C#
44 lines
1.3 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace MoreMountains.Tools
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{
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/// <summary>
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/// Array extensions
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/// </summary>
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public static class MMArrayExtensions
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{
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/// <summary>
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/// Returns a random value inside the array
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="array"></param>
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/// <returns></returns>
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public static T MMRandomValue<T>(this T[] array)
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{
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int newIndex = Random.Range(0, array.Length);
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return array[newIndex];
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}
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/// <summary>
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/// Shuffles an array
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="array"></param>
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/// <returns></returns>
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public static T[] MMShuffle<T>(this T[] array)
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{
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// Fisher Yates shuffle algorithm, see https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
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for (int t = 0; t < array.Length; t++)
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{
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T tmp = array[t];
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int randomIndex = Random.Range(t, array.Length);
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array[t] = array[randomIndex];
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array[randomIndex] = tmp;
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}
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return array;
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}
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}
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}
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