sneak/Shared/Clock.cs

using System;

namespace SemiColinGames {
  class Clock {
    private static TimeSpan modelTime = new TimeSpan();

    public static void AddModelTime(double seconds) {
      modelTime += TimeSpan.FromSeconds(seconds);
    }

    public static TimeSpan ModelTime {
      get { return modelTime; }
    }
  }
}