/// <summary>
/// Draws the gameplay screen.
/// </summary>
public override void Draw(GameTime gameTime)
{
// This game has a blue background. Why? Because!
ScreenManager.GraphicsDevice.Clear(ClearOptions.Target,
Color.CornflowerBlue, 0, 0);
// Our player and enemy are both actually just text strings.
SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
spriteBatch.Begin();
spriteBatch.DrawString(gameFont, "Move This", playerPosition, Color.Green);
spriteBatch.DrawString(gameFont, "Gaming!~",
enemyPosition, Color.DarkRed);
spriteBatch.End();
// If the game is transitioning on or off, fade it out to black.
if (TransitionPosition > 0)
{
ScreenManager.FadeBackBufferToBlack(255 - TransitionAlpha);
}
}
/// <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 = new Color(255, 255, 255, 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();
}
/// <summary>
/// Draws the pause menu screen. This darkens down the gameplay screen
/// that is underneath us, and then chains to the base MenuScreen.Draw.
/// </summary>
public override void Draw(GameTime gameTime)
{
ScreenManager.FadeBackBufferToBlack(TransitionAlpha * 2 / 3);
base.Draw(gameTime);
}