public async Task DrawLine(CanvasEdge canvasEdge)
{
await Application.Current.Dispatcher.InvokeAsync(() =>
{
var line = new Line()
{
X1 = canvasEdge.Start.X + (this.Canvas.Width / 2),
Y1 = canvasEdge.Start.Y + (this.Canvas.Height / 2),
X2 = canvasEdge.End.X + (this.Canvas.Width / 2),
Y2 = canvasEdge.End.Y + (this.Canvas.Height / 2),
Stroke = Brushes.DarkViolet,
};
this.LinesOnCanvas.TryAdd(canvasEdge.PrimaryEdge, line);
var lineAnimationX = new DoubleAnimation
{
From = line.X1,
To = line.X2,
Duration = TimeSpan.FromMilliseconds(this.AnimationDuration)
};
var lineAnimationY = new DoubleAnimation
{
From = line.Y1,
To = line.Y2,
Duration = TimeSpan.FromMilliseconds(this.AnimationDuration),
};
this.Canvas.Children.Add(line);
line.BeginAnimation(Line.X2Property, lineAnimationX);
line.BeginAnimation(Line.Y2Property, lineAnimationY);
});
}
public async Task DrawLine(IEnumerable <Vertex> vertices)
{
var v = vertices.ToList();
var first = v.FirstOrDefault();
var last = v.LastOrDefault();
for (var i = 0; i < v.Count - 1; i++)
{
var canvasEdge = new CanvasEdge(new Edge(v[i], v[i + 1]), this.Zoom);
await this.DrawLine(canvasEdge);
}
await this.DrawLine(new CanvasEdge(new Edge(last, first), this.Zoom));
}
