/// <summary>
/// Allows the game component to update itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
public override void Update(GameTime gameTime)
{
if (_isInitialized)
{
MouseState currentState = Mouse.GetState();
Rectangle mouseBoundingBox = new Rectangle(currentState.X, currentState.Y, 1, 1);
_colorStream.Update(gameTime);
foreach (GuiDrawable guiDrawable in _guiDrawable)
{
guiDrawable.Update(currentState, _oldMouseState, mouseBoundingBox, gameTime);
}
if (null != Chooser.Sensor &&
Chooser.Sensor.IsRunning)
{
if (mouseBoundingBox.Intersects(_scrollable.GraceArea))
{
_scrollable.Update(currentState, _oldMouseState, mouseBoundingBox, gameTime);
if (currentState.LeftButton == ButtonState.Released &&
_oldMouseState.LeftButton == ButtonState.Pressed)
{
_timeStamp = gameTime.TotalGameTime.TotalMilliseconds;
_elevationAngle = GetAngle();
}
}
if (_timeStamp != double.MinValue &&
gameTime.TotalGameTime.TotalMilliseconds - _timeStamp > 1500)
{
_timeStamp = double.MinValue;
/** Sometimes, the USB port can just cause an error because of its drivers */
try
{
Chooser.Sensor.ElevationAngle = _elevationAngle;
}
catch (Exception e) { }
}
}
_oldMouseState = currentState;
}
base.Update(gameTime);
}
public override void Update(MouseState mouseState, MouseState oldMouseState, Rectangle mouseBoundingBox, GameTime gameTime)
{
if (mouseBoundingBox.Intersects(_scrollable.GraceArea))
{
_scrollable.Update(mouseState, oldMouseState, mouseBoundingBox, gameTime);
float scrollPercent = _scrollable.GetScrollTop();
float paginationSegment = 100.0f / (_pages);
/** 100% scrolled would always give you a page 1 if this wasn't implemented */
if (scrollPercent != 100.0f)
{
_currentPage = (int)(scrollPercent / paginationSegment);
}
else
{
/** Zero based paging system */
_currentPage = _pages - 1;
}
_pageBeginning = _viewableItems * _currentPage;
_pageEnding = _pageBeginning + _viewableItems;
if (_pageEnding >= _collection.Count)
{
_pageEnding = _collection.Count;
}
}
else
{
if (_pageEnding >= _collection.Count)
{
_pageEnding = _collection.Count;
}
}
for (int i = _pageBeginning; i < _pageEnding; ++i)
{
_collection[i].Update(mouseState, oldMouseState, mouseBoundingBox, gameTime);
}
}
