core/Runtime/KairoEngineManager.cs

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

namespace KairoEngine.Core
{
    /// <summary>
    /// The main script that loads all the kairoEngine modules to the game.
    /// This is the only required script to put on one game object to start the engine.
    /// </summary>
    public class KairoEngineManager : MonoBehaviour
    {
        private static KairoEngineManager kairoEngine;

        public static KairoEngineManager instance
        {
            get {
                if(!kairoEngine)
                {
                    kairoEngine = FindObjectOfType (typeof(KairoEngineManager)) as KairoEngineManager;
                    if(!kairoEngine)
                    {
                        Debug.LogError("There need to one active KairoEngine script on the scene.");
                        return null;
                    }
                }
                return kairoEngine;
            }
        }

        void Awake()
        {
            if(instance != null && instance != this) Destroy(this.gameObject);
            DontDestroyOnLoad(gameObject);
        }
    }
}