Programming-Design-Patterns-And-Principles/Assets/Patterns_And_Principles/Patterns/The Singleton Pattern/SimpleSingleton/Script/SimpleSingleton.cs

using System;
using UnityEngine;

namespace Patterns_And_Principles.Patterns.The_Singleton_Pattern.SimpleSingleton.Script
{
    public class SimpleSingleton : MonoBehaviour
    {
        /*
         * GameManager
         * AudioManager
         * InputManager
         * SaveSystem
         * EconomyManager
         * Bu sistemler oyunumzda sadece bir tane olmasını bekleriz o yüzden singleton kullaniriz.
         */
        public static SimpleSingleton Instance;
        private int _coin = 0; // Test

        private void Awake()
        {
            if (Instance != null && Instance != this)
            {
                Debug.Log("Destroyed: " + gameObject.name); // Test
                Destroy(gameObject);
                return;
            }

            Instance = this;
        }

        public void AddCoin(int amount)
        {
            _coin += amount;
        }

        public int GetCoin()
        {
            return _coin;
        }
    }
}