Пример #1
0
        /// <summary>
        /// Draws the menu entry. This can be overridden to customize the appearance.
        /// </summary>
        public virtual void Draw(MenuScreen screen, Vector2 position,
            bool isSelected, GameTime gameTime)
        {
            // Draw the selected entry in yellow, otherwise white.
            Color color = isSelected ? Color.White : Color.DarkGray;

            float scale = isSelected ? 1.05f : 1;

            // Modify the alpha to fade text out during transitions.
            color = new Color(color.R, color.G, color.B, screen.TransitionAlpha);

            // Draw text, centered on the middle of each line.
            ScreenManager screenManager = screen.ScreenManager;
            SpriteBatch spriteBatch = screenManager.SpriteBatch;
            SpriteFont font = screenManager.EntryFont;

            Vector2 origin = new Vector2(0, font.LineSpacing / 2);

            spriteBatch.DrawString(font, text, position, color, 0,
                                   origin, scale, SpriteEffects.None, 0);
        }
Пример #2
0
 /// <summary>
 /// Queries how much space this menu entry requires.
 /// </summary>
 public virtual float GetHeight(MenuScreen screen)
 {
     return (screen.ScreenManager.TitleFont.LineSpacing * 1.2f);
 }
Пример #3
0
        /// <summary>
        /// Updates the menu entry.
        /// </summary>
        public virtual void Update(MenuScreen screen, bool isSelected,
            GameTime gameTime)
        {
            // When the menu selection changes, entries gradually fade between
            // their selected and deselected appearance, rather than instantly
            // popping to the new state.
            float fadeSpeed = (float)gameTime.ElapsedGameTime.TotalSeconds * 4;

            if (isSelected)
                selectionFade = Math.Min(selectionFade + fadeSpeed, 1);
            else
                selectionFade = Math.Max(selectionFade - fadeSpeed, 0);
        }