using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Threading;

namespace Fixed_Timed_Step
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 0; i < 10; i++)
            {
                ThreadStart ts = new ThreadStart(FixedLoop);
                Thread t = new Thread(ts);

                t.Start();
                Thread.Sleep(1000);
                t.Abort();
            }

            Console.WriteLine("Loop done.");
            Console.ReadKey();
        }

        static void FixedLoop()
        {
            System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
            sw.Start();

            long t = 0;
            long dt = 1000 / 50;// (long)0.01;
            long accumulator = 0;
            long currentTime = sw.ElapsedMilliseconds;

            int i = 1;

            while (true)
            {
                long newTime = sw.ElapsedMilliseconds;
                long frameTime = newTime - currentTime;
                currentTime = newTime;

                /*if (frameTime > 0.25)
                    frameTime = (long)0.25; // Max*/

                accumulator += frameTime;

                while (accumulator >= dt)
                {
                    Console.WriteLine("Update " + i);
                    i++;
                    accumulator -= dt;
                }
            }
        }
    }
}