initial commit

src/TraceCad.Core/Model/CircleEntity.cs

@@ -0,0 +1,18 @@
+using TraceCad.Core.Geometry;
+
+namespace TraceCad.Core.Model;
+
+public sealed record CircleEntity(
+    Guid Id,
+    string Layer,
+    Point2 Center,
+    double Radius) : Entity(Id, Layer)
+{
+    public override IEnumerable<Point2> SnapPoints
+    {
+        get
+        {
+            yield return Center;
+        }
+    }
+}