protected override void Update(GameTime gameTime)
{
KeyboardState keyboard = Keyboard.GetState();
if (IsActive)
{
// toggle fullscreen / windowed mode with alt + enter
if ((keyboard.IsKeyDown(Keys.LeftAlt) || keyboard.IsKeyDown(Keys.RightAlt)) &&
keyboard.IsKeyDown(Keys.Enter))
{
if (!fullScreenButtonPressed)
{
graphics.ToggleFullScreen();
settings.fullScreen = graphics.IsFullScreen;
fullScreenButtonPressed = true;
}
}
else
{
fullScreenButtonPressed = false;
}
bool alternateInput = fullScreenButtonPressed;
if (!alternateInput)
{
// handle menu input
menu.handleInput();
if (!menu.active)
{
// handle player input
spaceShipSystem.handleInput(gameTime);
}
}
}
// update game management systems (if menu is off)
if (!menu.active)
{
projectileSystem.update(gameTime);
spaceShipSystem.update(gameTime);
asteroidSystem.update(gameTime);
explosionSystem.update(gameTime);
collisionSystem.handleCollisions();
}
base.Update(gameTime);
}
