Shuffle sample (Generic)

utils.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Utils : MonoBehaviour
{
    int[] numbers = new int[] {
        1, 2, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0
    };

    void Start()
    {
        string before = "";

        foreach (int number in numbers)
        {
            before += number + " ";
        }

        Debug.Log("Before : " + before);

        string after = "";
        numbers = Shuffle(numbers);

        foreach (int number in numbers)
        {
            after += number + " ";
        }

        Debug.Log("After : " + after);
    }

    T[] Shuffle<T>(T[] collection)
    {
        Random.InitState(Random.Range(0, 100));

        for (int i = 0; i < collection.Length; ++i)
        {
            int swapIndice = Random.Range(i, collection.Length);
            T temp = collection[i];

            collection[i] = collection[swapIndice];
            collection[swapIndice] = temp;
        }

        return collection;
    }
}