IsClosed fix for nurbs curves

BHoM · Dec 2, 2019 · 44682fd · 44682fd
1 parent cdd023b
commit 44682fd
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/Geometry_Engine/Query/IsClosed.cs b/Geometry_Engine/Query/IsClosed.cs
@@ -67,8 +67,7 @@ public static bool IsClosed(this NurbsCurve curve, double tolerance = Tolerance.
             if (curve == null || curve.ControlPoints == null || curve.ControlPoints.Count < 2)
                 return false;
 
-            // TODO: This does not take into account periodic curves
-            return curve.ControlPoints.First() == curve.ControlPoints.Last();
+            return curve.ControlPoints.First().SquareDistance(curve.ControlPoints.Last()) <= tolerance * tolerance || curve.IsPeriodic();
         }
 
         /***************************************************/