/// <summary>
/// Draws the menu entry. This can be overridden to customize the appearance.
/// </summary>
public virtual void Draw(MenuScreen screen, Rectangle borders,
bool isSelected, GameTime gameTime)
{
if(font == null)
font = ScreenManager.Cartoon24;
// Draw the selected entry in yellow, otherwise white.
Color color = isSelected ? selectedColor : textColor;
// Pulsate the size of the selected menu entry.
double time = gameTime.TotalGameTime.TotalSeconds;
float pulsate = (float)Math.Sin(time * 6) + 1;
float scale = 1 + pulsate * 0.05f * selectionFade;
// 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.
Vector2 origin = font.MeasureString(text) / 2;
Vector2 position;
if (borders.Height <= 0)
position = new Vector2(borders.X, borders.Y);
else
{
float x = TextureManager.GetCenterX(borders.X, borders.Width, 0);
position = new Vector2((int)x, borders.Y);
}
PoorEngine.SceneObject.Text.DrawText(
font,
Text,
Color.Black,
color,
1f,
scale,
0f,
position,
origin,
false);
}
/// <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);
}
public virtual void Draw(MenuScreen screen, Vector2 position,
bool isSelected, GameTime gameTime)
{
Draw(screen, new Rectangle((int)position.X, (int)position.Y, 0, 0), isSelected, gameTime);
}
/// <summary>
/// Queries how much space this menu entry requires.
/// </summary>
public virtual int GetHeight(MenuScreen screen)
{
return font.LineSpacing;
}