From da5bda9f4a1108e0f10af93a4647604f2c72f636 Mon Sep 17 00:00:00 2001
From: ZoeLeeFZ <lizhou1021@qq.com>
Date: Wed, 15 Apr 2020 08:43:14 +0800
Subject: [PATCH] =?UTF-8?q?!924=20=E4=BF=AE=E5=A4=8D:=E8=B5=B0=E5=88=80?=
 =?UTF-8?q?=E6=96=B9=E5=90=91?=
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---
 src/GraphicsSystem/ToolPath/OptimizeToolPath.ts | 3 +++
 src/Production/Product.ts                       | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/GraphicsSystem/ToolPath/OptimizeToolPath.ts b/src/GraphicsSystem/ToolPath/OptimizeToolPath.ts
index 30d92854a..9366ab38b 100644
--- a/src/GraphicsSystem/ToolPath/OptimizeToolPath.ts
+++ b/src/GraphicsSystem/ToolPath/OptimizeToolPath.ts
@@ -31,6 +31,9 @@ export function OptimizeToolPath(offsetCus: Curve[], originShape: Shape, rad: nu
         }
         if (cu instanceof Polyline)
         {
+            //轮廓朝下的逆时针轮廓需要翻转
+            if (cu.IsClose && cu.Normal.z * cu.Area2 < 0)
+                cu.Reverse();
             plList.push(cu);
         }
         else if (cu instanceof Circle)
diff --git a/src/Production/Product.ts b/src/Production/Product.ts
index 978ae99ee..263406168 100644
--- a/src/Production/Product.ts
+++ b/src/Production/Product.ts
@@ -214,7 +214,7 @@ export namespace Production
         }
         else
         {
-            if (cu.Area2 < 0)
+            if (cu.IsClose && cu.Normal.z * cu.Area2 < 0)
                 cu.Reverse();
             ptsBuls = SplitePolylineAtArc(cu);
         }