steeplechase/unity/Assets/Game.cs

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

public class Game : MonoBehaviour
{
    // Start is called before the first frame update
    [SerializeField] GameObject _cloudPrefab;

    const int NUM_CLOUDS = 6;
    const float START_X = 1300;

    void Start()
    {
        for (int i = 0; i < NUM_CLOUDS; ++i)
        {
            GameObject cloud = GameObject.Instantiate(_cloudPrefab);
            cloud.transform.position = new Vector3(Random.Range(START_X, START_X + 1920), cloud.transform.position.y, cloud.transform.position.z);
        }
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.R))
        {
            SceneManager.LoadScene(SceneManager.GetActiveScene().name);
        }
    }
}