/// <summary>
/// Runs the game. This method will return when Exit is called.
/// </summary>
public static void Run()
{
var timer = new Stopwatch();
double accumulator = 0;
frameTimer = new Stopwatch();
frameTimer.Restart();
lastFrameTime = frameTimer.ElapsedMilliseconds;
while (running)
{
var time = timer.Elapsed.TotalSeconds;
timer.Restart();
accumulator += time;
// Spiral of death fix
var lagThreshold = GameOptions.Timestep * GameOptions.MaxUpdatesPerFrame;
if (accumulator > lagThreshold)
{
if (Lagging != null)
{
Lagging((float)accumulator - lagThreshold);
}
accumulator = lagThreshold;
}
#region Update
while (accumulator >= GameOptions.Timestep)
{
Window.DispatchEvents();
Timer.Update();
foreach (var state in StateStack)
{
if (state.IsActive || state.InactiveMode.HasFlag(State.UpdateMode.Update))
{
state.UpdateInternal();
}
}
accumulator -= GameOptions.Timestep;
}
#endregion
#region Draw
// Find bottom most state that renders. This state will provide the color to clear to.
var clearState = StateStack.Find(s => s.IsActive || s.InactiveMode.HasFlag(State.UpdateMode.Draw));
foreach (var state in StateStack)
{
if (state == clearState)
{
Window.Clear(state.ClearColor);
}
if (!state.IsActive && !state.InactiveMode.HasFlag(State.UpdateMode.Draw))
{
continue;
}
state.DrawInternal(Window);
}
#endregion
Window.Display();
// Calculate framerate
float currentFrameTime = 1000.0f / ((frameTime = frameTimer.ElapsedMilliseconds) - lastFrameTime);
if (Math.Abs(frameTime - lastFrameTime) > float.Epsilon)
{
// NOTE The 50 is not in reference to 50 fps, it's in reference quickly to
// tween between framerates, to prevent sudden jumps that occur fairly
// often.
Framerate += (currentFrameTime - Framerate) / 50;
lastFrameTime = frameTime;
}
}
while (StateStack.Count > 0)
{
PopState();
}
Window.Close();
}
/// <summary>
/// Runs the game. This method will return when Exit is called.
/// </summary>
public static void Run()
{
var timer = new Stopwatch();
double accumulator = 0;
while (running)
{
var time = timer.Elapsed.TotalSeconds;
timer.Restart();
accumulator += time;
// Spiral of death fix
var lagThreshold = GameOptions.Timestep * GameOptions.MaxUpdatesPerFrame;
if (accumulator > lagThreshold)
{
if (Lagging != null)
{
Lagging((float)accumulator - lagThreshold);
}
accumulator = lagThreshold;
}
#region Update
while (accumulator >= GameOptions.Timestep)
{
Window.DispatchEvents();
Timer.Update();
foreach (var state in StateStack)
{
if (state.IsActive || state.InactiveMode.HasFlag(State.UpdateMode.Update))
{
state.UpdateInternal();
}
}
accumulator -= GameOptions.Timestep;
}
#endregion
#region Draw
// Find bottom most state that renders. This state will provide the color to clear to.
var clearState = StateStack.Find(s => s.IsActive || s.InactiveMode.HasFlag(State.UpdateMode.Draw));
foreach (var state in StateStack)
{
if (state == clearState)
{
Window.Clear(state.ClearColor);
}
if (!state.IsActive && !state.InactiveMode.HasFlag(State.UpdateMode.Draw))
{
continue;
}
state.DrawInternal(Window);
}
#endregion
Window.Display();
}
while (StateStack.Count > 0)
{
PopState();
}
Window.Close();
}