/// <summary>
/// Draws the gameplay screen.
/// </summary>
public override void Draw(GameTime gameTime)
{
ScreenManager.GraphicsDevice.Clear(ClearOptions.Target, Color.Black, 0, 0);
SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
// Draw the starfield
starField.Draw(spriteBatch);
// Render Players
if (networkSession == null)
{
players.ForEach(delegate(Player p)
{
p.Draw(spriteBatch);
});
}
else
{
foreach (NetworkGamer gamer in networkSession.AllGamers)
{
Player p = gamer.Tag as Player;
p.Draw(spriteBatch);
}
}
// Render Asteroids
asteroidManager.Draw(spriteBatch);
// If the game is transitioning on or off, fade it out to black.
if (TransitionPosition > 0 || pauseAlpha > 0)
{
float alpha = MathHelper.Lerp(1f - TransitionAlpha, 1f, pauseAlpha / 2);
ScreenManager.FadeBackBufferToBlack(alpha);
}
}
/// <summary>
/// Draws the message box.
/// </summary>
public override void Draw(GameTime gameTime)
{
SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
SpriteFont font = ScreenManager.Font;
// Darken down any other screens that were drawn beneath the popup.
ScreenManager.FadeBackBufferToBlack(TransitionAlpha * 2 / 3);
// Center the message text in the viewport.
Viewport viewport = ScreenManager.GraphicsDevice.Viewport;
Vector2 viewportSize = new Vector2(viewport.Width, viewport.Height);
Vector2 textSize = font.MeasureString(message);
Vector2 textPosition = (viewportSize - textSize) / 2;
// The background includes a border somewhat larger than the text itself.
const int hPad = 32;
const int vPad = 16;
Rectangle backgroundRectangle = new Rectangle((int)textPosition.X - hPad,
(int)textPosition.Y - vPad,
(int)textSize.X + hPad * 2,
(int)textSize.Y + vPad * 2);
// Fade the popup alpha during transitions.
Color color = Color.White * TransitionAlpha;
spriteBatch.Begin();
// Draw the background rectangle.
spriteBatch.Draw(gradientTexture, backgroundRectangle, color);
// Draw the message box text.
spriteBatch.DrawString(font, message, textPosition, color);
spriteBatch.End();
}