Add path finding

PamhagenSysCtrl/Helpers/Pipeline/Pump.cs

@@ -1,16 +1,22 @@
 using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Shapes;
 
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Pump : INode {
 
+        public const double RADIUS = 24;
+
         public double CenterX { get; set; }
         public double CenterY { get; set; }
         public string Label { get; set; }
 
         public ISet<IEdge> Inputs { get; init; }
-
         public ISet<IEdge> Outputs { get; init; }
 
+        private Ellipse? _circle;
+        private TextBlock? _text;
+
         public Pump(string label, double x, double y) {
             CenterX = x;
             CenterY = y;
@@ -20,7 +26,16 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            
+            _circle = new() {
+                Height = RADIUS,
+                Width = RADIUS,
+                Fill = Brushes.WhiteSmoke,
+                Stroke = Brushes.Black,
+                StrokeThickness = 2,
+            };
+            _circle.SetValue(Canvas.LeftProperty, CenterX - RADIUS / 2);
+            _circle.SetValue(Canvas.TopProperty, CenterY - RADIUS / 2);
+            canvas.Children.Add(_circle);
         }
 
         public bool Update(double x, double y) {