/// <summary>
/// Release graphics data.
/// </summary>
public override void UnloadContent()
{
if (starfield != null)
{
starfield.UnloadContent();
starfield = null;
}
base.UnloadContent();
}
/// <summary>
/// Disposes this object.
/// </summary>
/// <param name="disposing">
/// True if this method was called as part of the Dispose method.
/// </param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
lock (this)
{
if (starfield != null)
{
starfield.Dispose();
starfield = null;
}
}
}
}
/// <summary>
/// Loads graphics content for this screen. The background texture is quite
/// big, so we use our own local ContentManager to load it. This allows us
/// to unload before going from the menus into the game itself, wheras if we
/// used the shared ContentManager provided by the ScreenManager, the content
/// would remain loaded forever.
/// </summary>
public override void LoadContent()
{
movement = 0f;
starfield = new Starfield(
Vector2.Multiply(new Vector2(
(float)Math.Cos(movement / starsParallaxPeriod),
(float)Math.Sin(movement / starsParallaxPeriod)),
starsParallaxAmplitude),
ScreenManager.GraphicsDevice, new ContentManager(ScreenManager.Game.Services, "Content"),
ScreenManager);
starfield.LoadContent();
base.LoadContent();
}