/// <summary>
/// Constructor.
/// </summary>
public BackgroundScreen()
{
TransitionOnTime = TimeSpan.FromSeconds(0.5);
TransitionOffTime = TimeSpan.FromSeconds(0.5);
flock = null;
flockParams = new AIParameters();
ResetAIParams();
}
/// <summary>
/// Create the bird flock
/// </summary>
/// <param name="theNum"></param>
protected void SpawnFlock()
{
if (flock == null)
{
flock = new Flock(birdTexture, ScreenManager.GraphicsDevice.Viewport.TitleSafeArea.Width,
ScreenManager.GraphicsDevice.Viewport.TitleSafeArea.Height, flockParams);
}
}