void ModelStarChangedEventHandler(object sender, StarChangedEventArgs e)
{
if (e.Disappeared && _stars.ContainsKey(e.Point))
{
FrameworkElement control = _stars[e.Point];
_sprites.Remove(control);
}
else
{
if (!_stars.ContainsKey(e.Point))
{
FrameworkElement control = InvadersHelper.StarControlFactory(e.Point, Scale);
_stars.Add(e.Point, control);
_sprites.Add(control);
}
else
{
//Stars typically won't change locations, so this else clause probably won't
//get hit—but you can use it to add shooting stars if you
//want.Look up the star's control in _stars and use a
//helper method to move it to the new location.
//Random random = new Random();
}
}
}
private void ModelStarChangedEventHandler(object sender, StarChangedEventArgs e)
{
if (e.Disappeared && _stars.ContainsKey(e.Point))
{
FrameworkElement control = _stars[e.Point];
_sprites.Remove(control);
}
else
{
if (!_stars.ContainsKey(e.Point))
{
FrameworkElement starControl = InvadersHelper.StarControlFactory(Scale);
InvadersHelper.SendToBack(starControl);
_stars.Add(e.Point, starControl);
_sprites.Add(starControl);
InvadersHelper.SetCanvasLocation(starControl, e.Point.X, e.Point.Y, Scale);
}
else
{
// Create a shooting star
FrameworkElement starControl = _stars[e.Point];
InvadersHelper.MoveElementOnCanvas(starControl,
InvadersModel.PlayAreaSize.Width,
InvadersModel.PlayAreaSize.Height,
Scale);
}
}
}
public void PopulateSprites()
{
RecreateScanLines();
foreach (Point star in _model._stars)
{
StarControl newStar = InvadersHelper.StarControlFactory(star, Scale) as StarControl;
_starDictionary.Add(star, newStar);
// Obsolete:
// InvadersHelper.SetCanvasLocation(newStar, star.X, star.Y, Scale);
_sprites.Add(newStar);
}
}
void ModelStarChangedEventHandler(object sender, StarChangedEventArgs e)
{
if (e.Disappeared && _stars.ContainsKey(e.Point))
{
FrameworkElement starControl = _stars[e.Point];
_sprites.Remove(starControl);
}
else
{
if (!_stars.ContainsKey(e.Point))
{
FrameworkElement starControl = InvadersHelper.StarControlFactory(e.Point, Scale);
_stars[e.Point] = starControl;
_sprites.Add(starControl);
}
else
{
FrameworkElement starControl = _stars[e.Point];
InvadersHelper.SetCanvasLocation(starControl, e.Point.X * Scale, e.Point.Y * Scale);
}
}
}
private void StarChangedHandler(object sender, StarChangedEventArgs e)
{
Point star = e.StarThatChanged;
if (e.Removed)
{
if (_starDictionary.ContainsKey(e.StarThatChanged))
{
StarControl starControl = _starDictionary[e.StarThatChanged];
_starDictionary.Remove(e.StarThatChanged);
_fadedStars.Add(starControl, DateTime.Now);
starControl.FadeOut();
//// not sure where to put this resize element method
//InvadersHelper.ResizeElement(starControl, e.StarThatChanged.X * Scale, e.StarThatChanged.Y * Scale,
// e.StarThatChanged.X * Scale, e.StarThatChanged.Y * Scale, Scale);
}
}
else
{
StarControl newStar;
if (_starDictionary.ContainsKey(e.StarThatChanged))
{
newStar = _starDictionary[e.StarThatChanged];
}
else
{
newStar = InvadersHelper.StarControlFactory(star, Scale) as StarControl;
_starDictionary[e.StarThatChanged] = newStar;
newStar.FadeIn();
_sprites.Add(newStar);
}
//InvadersHelper.SetCanvasLocation(newStar, e.StarThatChanged.X, e.StarThatChanged.Y, Scale);
//// not sure where to put this resize element method
//InvadersHelper.ResizeElement(newStar, e.StarThatChanged.X * Scale, e.StarThatChanged.Y * Scale,
// e.StarThatChanged.X * Scale, e.StarThatChanged.Y * Scale, Scale);
}
}
