private void formWindow_KeyPressed(object sender, KeyPressEventArgs e)
 {
     Debug.WriteLine(e.KeyChar);
     if (e.KeyChar == '0')
     {
         simulation.renderEngine.focusNext(simulation.universe);
         Debug.WriteLine("Attempting switch");
     }
     if (e.KeyChar == ' ')
     {
         simulation.play     = !simulation.play;
         simulation.interval = 0.01;
     }
     if (e.KeyChar == '-')
     {
         simulation.simDegree = simulation.simDegree == 1 ? 1 : simulation.simDegree /= 2.0;
         Debug.WriteLine("simDegree: " + simulation.simDegree);
     }
     if (e.KeyChar == '+')
     {
         simulation.simDegree *= 2.0;
         Debug.WriteLine("simDegree: " + simulation.simDegree);
     }
     if (e.KeyChar == '/')
     {
         simulation.step();
     }
     if (e.KeyChar == '.')
     {
         simulation.desiredTimeDilation *= 2.0;
     }
     if (e.KeyChar == ',')
     {
         simulation.desiredTimeDilation /= 2.0;
     }
 }