private async Task <NeuronLevel> Define(Diagrams.Polygon front)
{
var frontPoints = front.ToPoints();
// Initial hull
var dispatcher = Dispatcher.CurrentDispatcher;
var logger = new DispatcherLogger(dispatcher, s => this.viewModel.Info = s);
var hullSegments = await Bus.Query(new MakeConvexHull(frontPoints, dispatcher, logger));
var hull = new Diagrams.Polygon(hullSegments);
var level = new NeuronLevel {
Include = hull
};
// Make sub hulls: hull - front
var diffs = Diagrams.PolygonOperations.Difference(hull, front);
foreach (var diff in diffs)
{
var l = await this.Define(diff);
level.Excludes.Add(l);
}
return(level);
}
private async Task DrawLevel(NeuronLevel level, IShapeComposite composite)
{
// Draw outer hull
await Bus.Send(new DrawPolygon(Brushes.DodgerBlue, level.Include, composite));
// Draw cut outs
foreach (var cutOut in level.Excludes)
{
await this.DrawLevel(cutOut, composite);
}
}
