/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (Keyboard.GetState().IsKeyDown(Keys.Escape) && previousKey.IsKeyUp(Keys.Escape))
{
if (showHelp)
{
showHelp = false;
}
else
{
inMenu = !inMenu;
}
}
if (inMenu)
{
IsMouseVisible = true;
Play.Update(gameTime);
Exit.Update(gameTime);
Help.Update(gameTime);
}
else
{
IsMouseVisible = false;
spawnManager.Update(gameTime, sprites);
UpdateSprites(gameTime);
base.Update(gameTime);
}
previousKey = Keyboard.GetState();
}