FlyingFred/Assets/Scripts/Obstacle.cs

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

public class Obstacle : MonoBehaviour
{
    public List<GameObject> easyObstacleObjs;
    public List<GameObject> mediumObstacleObjs;
    public List<GameObject> hardObstacleObjs;

    private void Start()
    {
        Starter();
    }
    public void Starter()
    {
        List<GameObject> list = DifficultyList();
        int rand = Random.Range(0, list.Count);
        list[rand].gameObject.SetActive(true);
    }
    List<GameObject> DifficultyList()
    {
        int difficultyLevel = (int)GameManager.instance.difficultyLevel;
        //return difficultyLevel == 0 ? easyObstacleObjs : difficultyLevel == 1 ? mediumObstacleObjs : hardObstacleObjs;
        int percentAge = Random.Range(0, 100);

        if (difficultyLevel == 0)
        {
            return easyObstacleObjs;
        }
        else if (difficultyLevel == 1)
        {
            if (percentAge < 75)
            {
                return mediumObstacleObjs;
            }
            else
            {
                Debug.Log("Difficulty Medium but Obstacle Easy");
                return easyObstacleObjs;
            }
        }
        else
        {
            if (percentAge < 75)
            {

                return hardObstacleObjs;
            }
            else if (percentAge >= 75 && percentAge < 87)
            {
                Debug.Log("Difficulty Hard but Obstacle Medium");
                return mediumObstacleObjs;
            }
            else
            {
                Debug.Log("Difficulty Hard but Obstacle Easy");
                return easyObstacleObjs;
            }
        }
    }
}