/// <summary>
/// Update the Environment each frame.
/// </summary>
/// <param name="elapsedTime">Time since last Update() call.</param>
public override void Update(float elapsedTime)
{
// Toggle debug view = F1.
if (Keyboard.GetState().IsKeyDown(Keys.F1) && !OldKeyboard.GetState().IsKeyDown(Keys.F1))
{
if (m_debugView != null)
{
m_debugView = null;
}
else
{
m_debugView = new Physics.DebugViewXNA(CollisionWorld);
}
}
//Pause with Escape
if (!paused)
{
if (Keyboard.GetState().IsKeyDown(Keys.Escape) && !OldKeyboard.GetState().IsKeyDown(Keys.Escape) ||
(GamePad.GetState(PlayerIndex.One).IsButtonDown(Buttons.Start) && !OldGamePad.GetState().IsButtonDown(Buttons.Start))
)
{
pause(new GamePauseMenu(Controller, this));
Sound.PlayCue("scroll");
}
}
// Debug Menu = F10.
if (Keyboard.GetState().IsKeyDown(Keys.F10) && !OldKeyboard.GetState().IsKeyDown(Keys.F10))
{
Controller.ChangeEnvironment(new Menus.DebugMenu(Controller));
}
// Exit game.
if (Keyboard.GetState().IsKeyDown(Keys.F5) && !OldKeyboard.GetState().IsKeyDown(Keys.F5))
{
Controller.Exit();
}
if (!paused)
{
HUD.enabled = true;
if (elapsedTime > 0.0f)
{
// Update physics.
CollisionWorld.Step(elapsedTime);
if (SpawnController != null)
{
SpawnController.Update(elapsedTime);
}
// Update entities.
Camera.Update(elapsedTime);
base.Update(elapsedTime);
// Particle keepalive. Update remaining and try to remove if they are done.
ParticleKeepalive.RemoveAll(ent => {
ent.Update(elapsedTime);
if (ent.Effect.ActiveParticlesCount == 0)
{
ent.Remove();
return(true);
}
else
{
return(false);
}
});
}
}
else
{
Camera.Update(elapsedTime);
m_popUp.Update(elapsedTime);
HUD.enabled = false;
}
HUD.Update(elapsedTime);
FadeOut.Update(elapsedTime);
if (Balloon != null)
{
heatMultiplier = (this.ScreenVirtualSize.Y / 2 - Balloon.Position.Y) * 0.0007f;
}
else
{
heatMultiplier = 0;
}
}