private void OnMouseDown(object sender, MouseButtonEventArgs e)
{
Point px = Mouse.GetPosition(this.canvas1);
_pointList.Add(new VectorNode((int)px.X, (int)px.Y));
this.canvas1.Children.Clear();
foreach (var point in _pointList)
{
Point p = new Point(point.x, point.y);
DrawPoint(p);
}
_voronoi.Rebuild();
//only draw voronoi if ok
if (_showVoronoi)
{
var circles = _voronoi.GetNodes();
foreach (var ce in circles)
{
HalfEdge edge = ce.halfEdge;
HalfEdge f = edge;
while (edge != null)
{
var myLine = new Line();
myLine.Stroke = _brush;
myLine.X1 = edge.Twin().GetTarget().X();
myLine.X2 = edge.GetTarget().X();
myLine.Y1 = edge.Twin().GetTarget().Y();
myLine.Y2 = edge.GetTarget().Y();
myLine.HorizontalAlignment = HorizontalAlignment.Left;
myLine.VerticalAlignment = VerticalAlignment.Center;
myLine.StrokeThickness = 1;
this.canvas1.Children.Add(myLine);
edge = edge.Next();
if (edge == null || f == edge)
{
break;
}
}
}
}
if (_showDelaunay)
{
ShowDelaunayEdges();
}
}
private void DrawWithoutRebuild()
{
this.canvas1.Children.Clear();
foreach (var point in _pointList)
{
Point p = new Point(point.x, point.y);
DrawPoint(p);
}
//only draw voronoi if ok
if (_showVoronoi)
{
var circles = _voronoi.GetNodes();
foreach (var ce in circles)
{
HalfEdge edge = ce.halfEdge;
HalfEdge f = edge;
while (edge != null)
{
var myLine = new Line();
myLine.Stroke = _brush;
myLine.X1 = edge.Twin().GetTarget().X();
myLine.X2 = edge.GetTarget().X();
myLine.Y1 = edge.Twin().GetTarget().Y();
myLine.Y2 = edge.GetTarget().Y();
myLine.HorizontalAlignment = HorizontalAlignment.Left;
myLine.VerticalAlignment = VerticalAlignment.Center;
myLine.StrokeThickness = 1;
this.canvas1.Children.Add(myLine);
edge = edge.Next();
if (edge == null || f == edge)
{
break;
}
}
}
}
if (_showDelaunay)
{
ShowDelaunayEdges();
}
}
