foodSpawner

public class FoodSpawner : MonoBehaviour
{

    public List<GameObject> items;
    List<GameObject> tempItems = new List<GameObject>();
    GameObject item;

    Vector3[] initialSpawnPos;
    public List<Vector3> spawned = new List<Vector3>();
    List<int> SpawnIndex = new List<int> { 0, 1, 2 };
    List<int> tempSpawnIndex = new List<int>();

    void Start()
    {

        tempSpawnIndex = new List<int>(SpawnIndex);

        initialSpawnPos = new Vector3[3];
        initialSpawnPos[0] = new Vector3(256f, 41.48f, 242.21f);
        initialSpawnPos[1] = new Vector3(254.44f, 41.29f, 239.68f);
        initialSpawnPos[1] = new Vector3(256.81f, 41.19f, 239.79f);
        tempItems = new List<GameObject>(items);


        for (int i = 0; i < 3; i++)
        {
            GameObject generated = Instantiate(uniqalObject(tempItems.Count), initialSpawnPos[i], Quaternion.identity);
            spawned.Add(generated.transform.position);

        }

    }


    public void Spawner()
    {
        for (int i = 0; i < initialSpawnPos.Length; i++)
        {
            if (spawned.Contains(initialSpawnPos[i]))
            {
                tempSpawnIndex.Remove(i);
            }
        }

        GameObject generated = Instantiate(uniqalObject(tempItems.Count), initialSpawnPos[freeslot(tempSpawnIndex.Count)], Quaternion.identity);
        spawned.Add(generated.transform.position);
    }




    GameObject uniqalObject(int a)
    {
        if (a == 0)
        {
            tempItems = new List<GameObject>(items);
        }
        int index = Random.Range(0, a);
        item = tempItems[index];
        tempItems.Remove(item);
        return item;
    }


    int freeslot(int a)
    {
        int res = 0;
        if (a == 0)
        {
            tempSpawnIndex = new List<int>(SpawnIndex);
        }
        int index = Random.Range(0, a);
        res = tempSpawnIndex[index];
        tempSpawnIndex.Remove(res);
        return res;
    }


}