private void OnPathChangedHandler()
{
Application.Current.Dispatcher.Invoke(() =>
{
ClearSprites();
var drawing = new DrawingVisual();
using (var context = drawing.RenderOpen())
{
context.DrawEllipse(Brushes.YellowGreen, null,
new Point(25, 25), 5, 5);
}
var source =
new RenderTargetBitmap(Constants.CellSize, Constants.CellSize, 96, 96, PixelFormats.Pbgra32);
source.Render(drawing);
foreach (var point in _ship.Path)
{
var pathSprite = new DrawnObjectViewModel(source)
{
X = point.X * Constants.CellSize,
Y = point.Y * Constants.CellSize
};
_pathSprites.Add(pathSprite);
OnSpriteAdded?.Invoke(this, pathSprite);
}
});
}
public void Add(Sprite sprite)
{
if (sprite == null)
{
throw new ArgumentNullException("sprite has null value!");
}
sprites.Add(sprite);
OnSpriteAdded?.Invoke(this, new SpriteEventArgs(sprite));
OnCollectionChanged?.Invoke(this, EventArgs.Empty);
}