From 0e5b1764e3eb59e5f4aac4d380c6fda3f0c1e2fe Mon Sep 17 00:00:00 2001
From: shuishen <1109946754@qq.com>
Date: Thu, 05 Feb 2026 17:23:42 +0800
Subject: [PATCH] feat:多边形绘制及编辑增加交叉判断

---
 applications/drone-command/src/utils/mapUtils.js |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/applications/drone-command/src/utils/mapUtils.js b/applications/drone-command/src/utils/mapUtils.js
index a91d35f..028563a 100644
--- a/applications/drone-command/src/utils/mapUtils.js
+++ b/applications/drone-command/src/utils/mapUtils.js
@@ -315,6 +315,13 @@
 
 	// 销毁处理
 	destroy () {
+		if (!this._viewer || this._viewer.isDestroyed?.()) {
+			this._primitiveCollection = null
+			this._entityCircleDataSource = null
+			this._viewer = null
+			return
+		}
+
 		if (this._primitiveCollection) {
 			this._primitiveCollection.removeAll()
 			this._viewer.scene.primitives.remove(this._primitiveCollection)

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