From 1102fe549af9be24e0dc9dd16dc013ebd35fc7f8 Mon Sep 17 00:00:00 2001
From: ZoeLeeFZ <lizhou1021@qq.com>
Date: Thu, 23 Jul 2020 14:49:58 +0800
Subject: [PATCH] =?UTF-8?q?!1162=20=E4=BF=AE=E5=A4=8D:=E6=8B=86=E5=8D=95?=
 =?UTF-8?q?=E8=BD=AE=E5=BB=93=E9=97=AE=E9=A2=98?=
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---
 src/GraphicsSystem/CalcEdgeSealing.ts | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/GraphicsSystem/CalcEdgeSealing.ts b/src/GraphicsSystem/CalcEdgeSealing.ts
index 7df7f75f1..112bbef0b 100644
--- a/src/GraphicsSystem/CalcEdgeSealing.ts
+++ b/src/GraphicsSystem/CalcEdgeSealing.ts
@@ -127,7 +127,8 @@ export function CalcEdgeSealing(cus: Curve[])
     for (let i = 0; i < cus.length; i++)
     {
         let frontLine = cus[i];
-        let laterLine = cus[FixIndex(i + 1, cus)];
+        let laterIndex = FixIndex(i + 1, cus);
+        let laterLine = cus[laterIndex];
         if (equalv3(frontLine.EndPoint, laterLine.StartPoint))
             continue;
         let refLine = oldLine ?? frontLine;
@@ -145,9 +146,24 @@ export function CalcEdgeSealing(cus: Curve[])
             alert("获取封边错误,请提供图纸给相关人员");
             return;
         }
-        frontLine.EndPoint = iPt;
+        let par = frontLine.GetParamAtPoint(iPt);
+        if (par < 0)
+        {
+            cus.splice(i, 1);
+            i -= 2;
+        }
+        else
+            frontLine.EndPoint = iPt;
         oldLine = equalv3(iPt, laterLine.EndPoint) ? laterLine.Clone() : null;
-        laterLine.StartPoint = iPt;
+
+        par = laterLine.GetParamAtPoint(iPt);
+        if (par > 1)
+        {
+            cus.splice(laterIndex, 1);
+            i -= 2;
+        }
+        else
+            laterLine.StartPoint = iPt;
     }
 }