bubble-socket-core/Simulation/Simulation.cs

using System.Collections.Generic;
using BubbleSocketCore.Simulation.Entity;
using BubbleSocketCore.Input;
using System.Collections.Concurrent;

namespace BubbleSocketCore.Simulation
{
	public class Simulation
	{
		private static Simulation instance;
		public static Simulation GetInstance()
		{
			if (Simulation.instance == null)
			{
				Simulation.instance = new Simulation();
			}

			return Simulation.instance;
		}

		public Simulation()
		{
		}
	}
}