From 5cbf6d8992f26d85758ff737d46208c8fc24d5fd Mon Sep 17 00:00:00 2001
From: Bernard <807996636@qq.com>
Date: Mon, 27 May 2024 16:58:51 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A0=A1=E5=87=86=E6=9B=B2=E7=BA=BF=E7=AE=AD?=
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---
 src/arrow/curved-arrow.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/arrow/curved-arrow.ts b/src/arrow/curved-arrow.ts
index f8e4fa4..8c1b936 100644
--- a/src/arrow/curved-arrow.ts
+++ b/src/arrow/curved-arrow.ts
@@ -86,8 +86,8 @@ export default class CurvedArrow extends Base {
     const distance = Utils.wholeDistance(lnglatPoints);
     let len = distance / this.arrowLengthScale;
     len = len > this.maxArrowLength ? this.maxArrowLength : len;
-    const leftPnt = Utils.getThirdPoint(pnt1, pnt2, Math.PI / 6, len / 2, false);
-    const rightPnt = Utils.getThirdPoint(pnt1, pnt2, Math.PI / 6, len / 2, true);
+    const leftPnt = Utils.getThirdPoint(curvePoints[curvePoints.length - 2], curvePoints[curvePoints.length - 1], Math.PI / 6, len / 2, false);
+    const rightPnt = Utils.getThirdPoint(curvePoints[curvePoints.length - 2], curvePoints[curvePoints.length - 1], Math.PI / 6, len / 2, true);
     const temp = [].concat(...curvePoints);
     const points = [...temp, ...leftPnt, ...pnt2, ...rightPnt];
     const cartesianPoints = this.cesium.Cartesian3.fromDegreesArray(points);