Getting Random Elements from a List in Unity Game Engine


PrintRandomElements.cs
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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class PrintRandomElements : MonoBehaviour
{
    List<int> list = new List<int> { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
 
    List<T> GetRandomElements<T>(List<T> inputList, int count)
    {
        List<T> outputList = new List<T>();
        for (int i = 0; i < count; i++)
        {
            int index = Random.Range(0, inputList.Count);
            outputList.Add(inputList[index]);
        }
        return outputList;
    }
 
    void Update()
    {
        if(Input.GetMouseButtonDown(0))
        {
            var randomList = GetRandomElements(list, 4);
 
            Debug.Log("All elements =>  " + string.Join(", ", list));
            Debug.Log("Random elements => " + string.Join(", ", randomList));
            Debug.Log("*****************************");
        }
    }
}
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