Simple Next Scene Loader

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

public class SceneLoader : MonoBehaviour
{ //simple scene loading function to load the next scene in hte build
  public void LoadNextScene() {

        int currentSceneIndex = SceneManager.GetActiveScene().buildIndex;
        SceneManager.LoadScene(currentSceneIndex+1);
    }
//enable this one on the play again button to take you back to the start menu
 public void LoadStartScene() {
        SceneManager.LoadScene(0);
    }
}