!607 优化封边连接

__test__/EdgeSealing/__snapshots__/EdgeSealing.test.ts.snap

@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`丢失线段板件 1`] = `538651.2759963807`;
+exports[`丢失线段板件 1`] = `538651.2759963808`;
 
 exports[`丢失线段板件 2`] = `398758.87896958226`;
 
@@ -24,8 +24,8 @@ exports[`异型板件,非常规坐标系 1`] = `75939516.39226122`;
 
 exports[`异型板件,非常规坐标系 2`] = `75863286.03232267`;
 
-exports[`异型板件,非常规坐标系 3`] = `75694680.60847881`;
+exports[`异型板件,非常规坐标系 3`] = `75694680.60847883`;
 
 exports[`异型板件,非相切圆弧 1`] = `635612.2751433643`;
 
-exports[`异型板件,非相切圆弧 2`] = `626242.2196800548`;
+exports[`异型板件,非相切圆弧 2`] = `626242.2196800549`;

src/GraphicsSystem/CalcEdgeSealing.ts

@@ -1,4 +1,3 @@
-import { Vector3 } from "three";
 import { EBoardKeyList } from "../Common/BoardKeyList";
 import { FixIndex } from "../Common/Utils";
 import { Board } from "../DatabaseServices/Entity/Board";
@@ -120,21 +119,31 @@ export function CalcEdgeSealing(cus: Curve[])
 {
     if (cus.length <= 1)
         return;
+    let oldLine: Curve;
+    let firstLine = cus[0].Clone();
     for (let i = 0; i < cus.length; i++)
     {
         let frontLine = cus[i];
         let laterLine = cus[FixIndex(i + 1, cus)];
         if (equalv3(frontLine.EndPoint, laterLine.StartPoint))
             continue;
-        let iPts = frontLine.IntersectWith(laterLine, IntersectOption.ExtendBoth);
+        let refLine = oldLine ?? frontLine;
+        let refLine2 = i === cus.length - 1 ? firstLine : laterLine;
+        let iPts = refLine.IntersectWith(refLine2, IntersectOption.ExtendBoth);
         let tPts = iPts.filter(p =>
-            frontLine.PtOnCurve(p)
-            && laterLine.PtOnCurve(p)
+            refLine.PtOnCurve(p)
+            && refLine2.PtOnCurve(p)
         );
 
         let iPt = SelectNearP(tPts.length > 0 ? tPts : iPts, frontLine.EndPoint);
 
+        if (!iPt)
+        {
+            alert("获取封边错误,请提供图纸给相关人员");
+            return;
+        }
         frontLine.EndPoint = iPt;
+        oldLine = equalv3(iPt, laterLine.EndPoint) ? laterLine.Clone() : null;
         laterLine.StartPoint = iPt;
     }
 }