TestScript

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

//Our random shape class/object
public class RandomShape
{
    public Sprite BG;
    public Sprite FG;
    public Color Color;
}

//The class to create a random shape/color/fg color/bg color etc...
public class Randomiser : MonoBehaviour
{
    [Tooltip ("The random pictures generated from the randomiser..")]
    public List<RandomShape> Pictures = new List<RandomShape>();
    [Tooltip ("The number of iterations for randomisation.")]
    public int maxPictures = 3;
   // [Tooltip ("The background sprites")]
   // public SpriteRenderer[] bgSprites;
    //[Tooltip ("The foreground sprites")]
    //public SpriteRenderer[] fgSprites;
   // [Tooltip ("The possible colours.")]

    //Enter the number of bgSprites you want to add in the inspector
    public Sprite[] bgSprites_;
    public Sprite[] fgSprites_;
    public Color[] Colors;
    public GameObject PicturePrefab;

    private void Awake() {

         for(int i = 0; i < maxPictures; i++)
        {
            RandomShape pic = new RandomShape();
            pic.BG = bgSprites_[GenerateRandom(bgSprites_.Length)];
            pic.FG = fgSprites_[GenerateRandom(fgSprites_.Length)];
            pic.Color = Colors[GenerateRandom(Colors.Length)];
            Debug.Log(pic.Color);
            Pictures.Add(pic);
        }

        PlacePictures();





    }


    // Start is called before the first frame update
    void Start()
    {



    }

    int GenerateRandom(int ItemsLength)
    {
        int randomNumber = Random.Range(0,ItemsLength);
        return randomNumber;
    }



    void PlacePictures()
    {
        //float Spacing = 5f;

        for(int i = 0; i < Pictures.Count-1; i++)
        {
           // newPicture.AddComponent<SpriteRenderer>().sprite = Pictures[i].BG;
           GameObject newPic = Instantiate(PicturePrefab, new Vector3(0,0,0), Quaternion.identity);
           newPic.GetComponent<SpriteRenderer>().sprite = Pictures[i].BG;
           newPic.GetComponent<SpriteRenderer>().color = Pictures[i].Color;
        }
    }

    void ResetGame()
    {

        Pictures.Clear();
    }
}