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() { } } }