/// <summary>
/// Queries how much space this menu entry requires.
/// </summary>
public virtual int GetHeight(MenuScreen screen)
{
return((int)Math.Floor(texture.Height * 0.8f));
}
/// <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 ) {
// Pulsate the size of the selected menu entry.
double time = gameTime.TotalGameTime.TotalSeconds;
float pulsate = (float)Math.Sin( time * 6 ) + 1;
float scale = 0.7f + pulsate * 0.05f * selectionFade;
// Draw texture, centered on the screen
ScreenManager screenManager = screen.ScreenManager;
SpriteBatch spriteBatch = screenManager.SpriteBatch;
if( texture != null ) {
spriteBatch.Draw( texture, position, null, Color.White, 0f, origin,
scale, SpriteEffects.None, 0 );
}
}
/// <summary>
/// Queries how much space this menu entry requires.
/// </summary>
public virtual int GetHeight( MenuScreen screen ) {
return (int)Math.Floor( texture.Height * 0.8f );
}
/// <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 );
}
