/// <summary>
/// Update relative drawings. Calculates new position for each scene drawing based on its origin point.
/// </summary>
private void UpdateRelativeDrawings()
{
var keysToRemove = new List <string>();
foreach (var drawing in Drawings.Relative)
{
if (drawing.Value.WorldId != AdvDia.CurrentWorldDynamicId)
{
keysToRemove.Add(drawing.Key);
continue;
}
DrawingUtilities.RelativeMove(drawing.Value.Drawing, drawing.Value.Origin.WorldVector);
}
RelativeDrawing removedItem;
foreach (var key in keysToRemove)
{
Drawings.Relative.TryRemove(key, out removedItem);
}
if (Drawings.Relative.Count > RelativeGeometryStorageLimit)
{
var firstKey = Drawings.Relative.Keys.First();
Drawings.Relative.TryRemove(firstKey, out removedItem);
}
}
