修复:圆弧洞在优弧墙上更新错误

src/Reactor/RoomHoleReactor.ts

@@ -352,7 +352,16 @@ export function GetHoleLengthOfIndex(hole: RoomHolePolyline, index: number): num
             return hole.Points[index].distanceTo(hole.Points[index + 1]);
         else if (wall instanceof RoomWallArc)
         {
-            let b = hole.Points[index].distanceTo(hole.Points[index + 1]);
+            let p1 = hole.Points[index];
+            let p2 = hole.Points[index + 1];
+
+            let param1 = wall.GetParamAtPoint(p1.clone().setZ(wall.Z));
+            let param2 = wall.GetParamAtPoint(p2.clone().setZ(wall.Z));
+
+            if (!isNaN(param1) && !isNaN(param2))
+                return Math.abs(wall.GetDistAtParam(param1) - wall.GetDistAtParam(param2));
+
+            let b = p1.distanceTo(p2);
             if (b < 1e-4) return 0;
             let r = wall.Radius;
             let l = 2 * Math.asin(b / (2 * r)) * r;//http://zhidao.baidu.com/question/553357442/answer/1393358387