PrintUniqueRandomElements.cs
using System.Collections; using System.Collections.Generic; using UnityEngine; public class PrintUniqueRandomElements : MonoBehaviour { List<int> list = new List<int> { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; List<T> GetUniqueRandomElements<T>(List<T> inputList, int count) { List<T> inputListClone = new List<T>(inputList); Shuffle(inputListClone); return inputListClone.GetRange(0, count); } void Shuffle<T>(List<T> inputList) { for (int i = 0; i < inputList.Count - 1; i++) { T temp = inputList[i]; int rand = Random.Range(i, inputList.Count); inputList[i] = inputList[rand]; inputList[rand] = temp; } } void Update() { if(Input.GetMouseButtonDown(0)) { var uniqueRandomList = GetUniqueRandomElements(list, 4); Debug.Log("All elements => " + string.Join(", ", list)); Debug.Log("Unique random elements => " + string.Join(", ", uniqueRandomList)); Debug.Log("*************************************************************"); } } }