From 43e1f2d3af6b23413fc92773929bffc680bb54da Mon Sep 17 00:00:00 2001
From: chenyao <1219716595@qq.com>
Date: Wed, 22 Jul 2026 18:13:04 +0800
Subject: [PATCH] feat:优化历史轨迹

---
 applications/drone-command/src/utils/cesium/shapeTools/draw/DrawPolygonTool.js |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/applications/drone-command/src/utils/cesium/shapeTools/draw/DrawPolygonTool.js b/applications/drone-command/src/utils/cesium/shapeTools/draw/DrawPolygonTool.js
index 7df67da..1a9c489 100644
--- a/applications/drone-command/src/utils/cesium/shapeTools/draw/DrawPolygonTool.js
+++ b/applications/drone-command/src/utils/cesium/shapeTools/draw/DrawPolygonTool.js
@@ -91,6 +91,9 @@
 	}
 
 	start() {
+		if (!this.tooltip) {
+			this.tooltip = new MapTooltip(this.viewer)
+		}
 		this.dataSource = new Cesium.CustomDataSource('draw-polygon')
 		this.viewer.dataSources.add(this.dataSource)
 		this.handler = new Cesium.ScreenSpaceEventHandler(this.viewer.scene.canvas)
@@ -139,10 +142,10 @@
 		if (!this.isDrawing) return
 		const tipText = this.getTipText()
 		if (!this.tooltip?.isVisible) {
-			this.tooltip.show(tipText, movement.endPosition)
+			this.tooltip?.show(tipText, movement.endPosition)
 		} else {
-			this.tooltip.show(tipText)
-			this.tooltip.move(movement.endPosition)
+			this.tooltip?.show(tipText)
+			this.tooltip?.move(movement.endPosition)
 		}
 		if (this.positions.length === 0) return
 		const position = this.getPositionFromScreen(movement.endPosition)
@@ -283,7 +286,7 @@
 		this.floatPosition = null
 		this.isIntersecting = false
 		this.notify('getPolygonPositions', this.positions)
-		this.tooltip.hide()
+		this.tooltip?.hide()
 		this.clearPreviewEntities()
 	}
 
@@ -310,7 +313,8 @@
 
 	getPositionFromScreen(screenPosition) {
 		const scene = this.viewer.scene
-		const cartesian = scene.pickPosition(screenPosition)
+		const ray = scene.camera.getPickRay(screenPosition)
+		const cartesian = ray ? scene.globe.pick(ray, scene) : null
 		if (cartesian) return cartesian
 		return scene.camera.pickEllipsoid(screenPosition, scene.globe.ellipsoid)
 	}

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