/// <summary>
/// Pushes the specified screen.
/// </summary>
/// <param name="screen">The screen.</param>
public void Push(Screen screen)
{
foreach (var s in _screenStack)
{
if (s.TransitionState == TransitionState.On || s.TransitionState == TransitionState.Shown)
s.TransitionState = TransitionState.Off;
}
_screens.Add(screen);
_screenStack.Push(screen);
screen.TransitionState = TransitionState.On;
screen.Manager = this;
}
private void UpdateTransition(Screen screen, GameTime gameTime)
{
if (screen.TransitionState == TransitionState.On)
{
if (screen.TransitionOn == TimeSpan.Zero)
screen.TransitionProgress = 1;
else
screen.TransitionProgress = MathHelper.Clamp(screen.TransitionProgress + (float)(gameTime.ElapsedGameTime.TotalSeconds / screen.TransitionOn.TotalSeconds), 0, 1);
}
else
{
if (screen.TransitionOn == TimeSpan.Zero)
screen.TransitionProgress = 0;
else
screen.TransitionProgress = MathHelper.Clamp(screen.TransitionProgress - (float)(gameTime.ElapsedGameTime.TotalSeconds / screen.TransitionOff.TotalSeconds), 0, 1);
}
}
