From e58adc4e0a14e4ae6a749f7c7424450580c4176d Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Thu, 4 May 2017 14:52:14 +0300
Subject: [PATCH] Issue #2148: Moving an arc displays a circle

Force recalculating arc parameter when it is became a full circle.
---
 src/SketchPlugin/SketchPlugin_Arc.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/SketchPlugin/SketchPlugin_Arc.cpp b/src/SketchPlugin/SketchPlugin_Arc.cpp
index e818241d0..fd361708f 100644
--- a/src/SketchPlugin/SketchPlugin_Arc.cpp
+++ b/src/SketchPlugin/SketchPlugin_Arc.cpp
@@ -106,9 +106,10 @@ void SketchPlugin_Arc::execute()
   }
 
   GeomShapePtr anArcShape;
-  if (fabs(myParamBefore - 2.0 * PI) < paramTolerance)
+  if (fabs(myParamBefore - 2.0 * PI) < paramTolerance) {
     anArcShape = GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aStart->distance(aCenter));
-  else {
+    myParamBefore = 0;
+  } else {
     anArcShape = boolean(REVERSED_ID())->value() ?
       GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
     : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
-- 
2.39.2