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  • Unity C# Print Strings Randomly From The List After They Get Selected

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    I have two lists with 4 strings each. I shuffle them and then I select a string on each list to create a combination of strings from both lists. I want the four combinations (written below) repeated four times (so 16 combinations in total) but each of these combination should be presented in a random order.

     

    • Dog
    • Lion
    • Dog and car
    • Lion and car


    From this code, I shuffle the strings then I select the first string from each list, I iterate using for loops and then generate 16 combinations. This code can shuffle, select and the prints are totally fine BUT prints the first selected string - 4 times, then the second selected string - 4 times. So everything works fine except that the order isn't random. So if dog is selected from the first list, it will print: dog, dog and car, dog, dog and car, then it will do this for lion (for the next 4 prints). So it will always print 4 times the string that gets selected from the first list. Whereas I want those selection to be random. Any advice would be helpful. 

     

    using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    using TMPro;
    using UnityEngine.UI;
    using System;
    using System.Linq;
     
    public class randomLetters : MonoBehaviour
    {
     
        List<string> mylist = new List<string>();
        List<string> mylist2 = new List<string>();
     
     
        string selected;
        string selected2;
     
        void Start()
        {
            mylist.Add("dog");
            mylist.Add("lion");
            mylist.Add("dog");
            mylist.Add("lion");
     
            mylist2.Add("carfordog");
            mylist2.Add("carforlion");
            mylist2.Add("carfordog");
            mylist2.Add("carforlion");
     
            Shuffle(mylist);
            Shuffle(mylist2);
     
            StartCoroutine(Wait());
        }
     
     
        IEnumerator Wait()
        {
     
            for (int i = 0; i < 4; i++)
            {
                selected = mylist[i];
     
                for (int j = 0; j < 4; j++)
                {
                    selected2 = mylist2[j];
     
     
                        if (selected == "dog" && selected2 == "carfordog")
                        {
                            Debug.Log("Dog and Car");
     
                        }
                        else if (selected == "dog" && selected2 == "carforlion")
                        {
                            Debug.Log("Dog ");
                        }
                        else if (selected == "lion" && selected2 == "carforlion")
                        {
                            Debug.Log("Lion and Car ");
                        }
                        else if (selected == "lion" && selected2 == "carfordog")
                        {
                            Debug.Log("Lion");
                        }
     
                        yield return new WaitForSeconds(1);
                }
     
                yield return new WaitForSeconds(1);
     
            }
     
        }
       
     
        void Shuffle(List<string> lists)
        {
            for (int j = lists.Count - 1; j > 0; j--)
            {
                int rnd = UnityEngine.Random.Range(0, j + 1);
                string temp = lists[j];
                lists[j] = lists[rnd];
                lists[rnd] = temp;
            }
        }
     
    }

     

 1 Answer(s)

  • Hey, 
    You can use Mersenne Twister to generate random numbers. 
    Mersenne Twister is a pseudorandom number generator, Create 2 array 1 for numbers and 1 for your random values. These two array should be mapped with each other. Then sort number array and and get values according to new sorted array from random values array.
    This should work for you.
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