private Rect AddSpritesToViewport(Document document)
{
var globalAabb = Rect.Empty;
var visibleSpriteNodes = GetVisibleSpriteNodesInDrawOrder(document);
foreach (var spriteNode in visibleSpriteNodes)
{
SceneViewport.AddSpriteNode(spriteNode.Id, _spriteBitmapStore.Get(spriteNode.SpriteRef.RelativePath));
SceneViewport.SetTransform(spriteNode.Id, spriteNode.GetAnimateTransformation().GlobalTransform.ToWpfMatrix());
var aabb = SceneViewport.GetBoundingBox(spriteNode.Id);
globalAabb = CombineAabb(aabb, globalAabb);
}
return(globalAabb);
}
public void UpdateTransform(SceneViewport sceneViewport)
{
// todo replace with rectangle following transform
var bounds = sceneViewport.GetBoundingBox(_nodeId);
if (bounds.IsEmpty)
{
Canvas.SetLeft(_rectangle, -1);
Canvas.SetTop(_rectangle, -1);
_rectangle.Width = 0;
_rectangle.Height = 0;
return;
}
_rectangle.Width = bounds.Width;
_rectangle.Height = bounds.Height;
Canvas.SetLeft(_rectangle, bounds.X);
Canvas.SetTop(_rectangle, bounds.Y);
}