From 1d552a3bad95caae4af15322df28e6240b797693 Mon Sep 17 00:00:00 2001
From: 罗广辉 <guanghui.luo@foxmail.com>
Date: Thu, 13 Aug 2026 15:32:06 +0800
Subject: [PATCH] feat: app视频封面图
---
applications/drone-command/src/utils/cesium/publicCesium.js | 253 ++++++++++++++++++++++++++++++--------------------
1 files changed, 150 insertions(+), 103 deletions(-)
diff --git a/applications/drone-command/src/utils/cesium/publicCesium.js b/applications/drone-command/src/utils/cesium/publicCesium.js
index 7af504f..dd8d318 100644
--- a/applications/drone-command/src/utils/cesium/publicCesium.js
+++ b/applications/drone-command/src/utils/cesium/publicCesium.js
@@ -2,6 +2,7 @@
import * as Cesium from 'cesium'
import { Cartesian3, Terrain, Viewer } from 'cesium'
import store from '@/store/index'
+import jaGeojsonRaw from '@/assets/geojson/ja.geojson?raw'
import getBaseConfig from '@/buildConfig/config'
@@ -19,7 +20,6 @@
} = getBaseConfig()
import { addBlueFilter } from '@/utils/cesium/common'
-import { useBoundary } from '@/utils/cesium/useBoundary'
let smallMpaCenterDistance = null
let curCameraHpr = null
@@ -32,6 +32,36 @@
/**
* 公共的Cesium (蓝色，2d)
*/
+
+const DEFAULT_VIEW_RECTANGLE = (() => {
+ try {
+ const geojson = JSON.parse(jaGeojsonRaw)
+ let west = Infinity
+ let east = -Infinity
+ let south = Infinity
+ let north = -Infinity
+ const walk = coords => {
+ if (!Array.isArray(coords)) return
+ if (typeof coords[0] === 'number' && typeof coords[1] === 'number') {
+ const lng = coords[0]
+ const lat = coords[1]
+ if (!Number.isFinite(lng) || !Number.isFinite(lat)) return
+ west = Math.min(west, lng)
+ east = Math.max(east, lng)
+ south = Math.min(south, lat)
+ north = Math.max(north, lat)
+ return
+ }
+ coords.forEach(walk)
+ }
+ geojson?.features?.forEach(feature => walk(feature?.geometry?.coordinates))
+ if ([west, east, south, north].every(Number.isFinite)) {
+ return Cesium.Rectangle.fromDegrees(west, south, east, north)
+ }
+ } catch (error) {}
+ return Cesium.Rectangle.fromDegrees(66, 4, 135, 53.55)
+})()
+
// 封装的不用管
let cn = {
@@ -70,6 +100,7 @@
* @param {boolean} [options.flyToContour=false] - 是否飞行到轮廓，默认为 false
* @param {number} [options.multiple=1.4] - 范围倍数
* @param {number} [options.dockOptions={}] - 机巢显示
+ * @param {array} [options.terrainLoadCallback] - 地形加载回调
* @param {array} [options.boundaryChange] - 边界改变事件
* @param {array} [options.boundaryColor] - 边界颜色
* @param {array} [options.dockRangeType] - 机巢范围类型 1显示覆盖圆；2显示覆盖圈
@@ -82,8 +113,10 @@
this.handlerRightEvents = { handler: null }
this.handlerMouseMoveEvents = { handler: null }
this.viewer = null
+ this.terrainProvider = null
+ this.terrainLoading = null
+ this.terrainEnabled = false
this.globalBaseMapLayers = []
- this.boundary = null
this.init(options)
}
@@ -92,21 +125,14 @@
dom,
flatMode = true,
terrain = false,
- layerMode = 0,
+ layerMode = 17,
contour = true,
flyToContour = false,
- multiple = 1.4,
-
- dockOptions = {},
-
- boundaryColor = '#7FFFD4',
- boundaryChange,
- dockRangeType = 1,
- useDockHeight = false
+ terrainLoadCallback,
} = options
Cesium.Camera.DEFAULT_VIEW_FACTOR = -0.45
// 西南东北，默认显示中国
- Cesium.Camera.DEFAULT_VIEW_RECTANGLE = Cesium.Rectangle.fromDegrees(66, 4, 135, 53.55)
+ Cesium.Camera.DEFAULT_VIEW_RECTANGLE = DEFAULT_VIEW_RECTANGLE
const viewerOptions = {
infoBox: false, // 禁用沙箱，解决控制台报错
animation: false, // 左下角的动画仪表盘
@@ -121,6 +147,10 @@
fullscreenButton: false,
}
+ // 尝试解决出现多个id相同的dom
+ const domIdList = document.querySelectorAll(`#${dom}`)
+ if (domIdList.length>1) domIdList[1].remove()
+
this.viewer = new Viewer(dom, viewerOptions)
this.viewerDom = dom
@@ -128,115 +158,113 @@
this.viewer.shadows = false
this.viewer.shadowMap.darkness = 0.5
- let time = new Date()
- time.setHours(12, 0, 0, 0)
- let utc = Cesium.JulianDate.fromDate(new Date(time))
+ this.setFixedNoonLighting()
- this.viewer.clockViewModel.currentTime = Cesium.JulianDate.addHours(utc, 0, new Cesium.JulianDate())
-
- // 边界，机巢
- this.boundary = useBoundary(this.viewer, { multiple, dockOptions, boundaryChange, boundaryColor, dockRangeType, useDockHeight })
this.viewer?.imageryLayers.removeAll()
this.viewer._cesiumWidget._creditContainer.style.display = 'none'
handler = new Cesium.ScreenSpaceEventHandler(this.viewer?.scene.canvas)
this.viewer?.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK) // 禁用双击
- if (terrain) {
- // 正则：第一位非0，第二位任意数字，后10位都是0
- const re = /^[1-9]\d0{10}$/
-
- let result = null
-
- // 1️⃣先判断 areaCode
- if (re.test(store.state.user.userInfo.detail.areaCode)) {
- result = store.state.user.userInfo.detail.areaCode.slice(0, 6)
- } else {
- // 2️⃣如果不满足，从 ancestors 里找
- const matchedItems = store.state.user.userInfo.detail.ancestors
- .split(',')
- .filter(item => re.test(item)) // 过滤出符合条件的
-
- // 取第一个符合条件的前6位（可以改成 last one 看需求）
- if (matchedItems.length > 0) {
- result = matchedItems[0].slice(0, 6)
- }
- }
-
- try {
- Cesium.CesiumTerrainProvider.fromUrl(`${import.meta.env.VITE_APP_TERRAIN_URL}${result}`, {
- requestVertexNormals: true, // 启用地形法线增强立体感
- requestWaterMask: true, // 启用水体遮罩效果
- }).then(terrainProvider => {
- this.viewer.terrainProvider = terrainProvider
- })
- } catch (error) {
- console.error('地形加载失败:', error)
- }
- }
+ this.setTerrainVisible(terrain, terrainLoadCallback)
this.viewer.scene.screenSpaceCameraController.maximumZoomDistance = 4500000
this.switchLayers(layerMode)
this.switchFlatMode(flatMode)
- this.switchContour(contour)
- flyToContour && this.flyToContour(contour)
+
+ if (Cesium.FeatureDetection.supportsImageRenderingPixelated()) {
+ let dpr = window.devicePixelRatio
+ while (dpr >= 2.0) dpr /= 2.0 // 避免过高缩放导致模糊
+ this.viewer.resolutionScale = dpr // 设置分辨率缩放比例
+ }
}
getViewer () {
return this.viewer
}
+ async ensureTerrainProvider () {
+ if (this.terrainProvider) return this.terrainProvider
+ if (this.terrainLoading) return this.terrainLoading
+ this.terrainLoading = Cesium.CesiumTerrainProvider.fromUrl(
+ `${import.meta.env.VITE_APP_TERRAIN_URL}/360000`,
+ {
+ requestVertexNormals: true, // 启用地形法线增强立体感
+ requestWaterMask: true, // 启用水体遮罩效果
+ }
+ ).then(provider => {
+ this.terrainProvider = provider
+ return provider
+ })
+ return this.terrainLoading
+ }
+
+ async setTerrainVisible (visible, terrainLoadCallback) {
+ if (!this.viewer) return
+ if (!visible) {
+ this.viewer.terrainProvider = new Cesium.EllipsoidTerrainProvider()
+ this.terrainEnabled = false
+ return
+ }
+ try {
+ const provider = await this.ensureTerrainProvider()
+ if (!this.viewer) return
+ this.viewer.terrainProvider = provider
+ this.terrainEnabled = true
+ terrainLoadCallback?.()
+ } catch (error) {
+ this.terrainEnabled = false
+ }
+ }
+
// 销毁viewer
viewerDestroy (removeDom = true) {
+ if (!this.viewer) return
+ // // 👇 关键：先停止所有动态行为
+ // this.viewer.clock.shouldAnimate = false;
+ // this.viewer.scene.requestRenderMode = false;
+ // // 取消所有可能的 pending 渲染
+ // if (this.viewer.cesiumWidget) {
+ // this.viewer.cesiumWidget.render = () => {}; // 空函数覆盖
+ // }
+ // // 清理实体和图层
+ // this.viewer?.entities.removeAll();
+ // this.viewer?.imageryLayers.removeAll();
+ // // 清理数据源
+ // try {
+ // const dataSources = this.viewer.dataSources;
+ // while (dataSources.length > 0) {
+ // dataSources.remove(dataSources.get(0));
+ // }
+ // } catch (e) {
+ // console.warn('清理数据源时出错:', e);
+ // }
+ // // 清理场景中的图元
+ // try {
+ // this.viewer?.scene.primitives.removeAll();
+ // } catch (e) {
+ // console.warn('清理图元时出错:', e);
+ // }
+ // // 获取webgl上下文
+ // let gl = this.viewer?.scene.context._originalGLContext
+ // if (gl) {
+ // try {
+ // gl.canvas.width = 1
+ // gl.canvas.height = 1
+ // gl.getExtension("WEBGL_lose_context").loseContext()
+ // } catch (e) {
+ // console.warn('释放WebGL上下文时出错:', e)
+ // }
+ // gl = null
+ // }
+ this.viewer?.destroy() // 销毁Viewer实例
+ this.viewer = null
smallMpaCenterDistance = null
-
- if (this.viewer) {
- this.viewer?.entities.removeAll()
- this.viewer?.imageryLayers.removeAll()
- this.viewer?.dataSources.removeAll()
-
-
- // try {
- // this.viewer?.scene?.primitives?.removeAll()
- // this.viewer?.entities?.removeAll()
- // } catch (e) {
- // console.warn('清理资源时出错:', e)
-
- // console.log(this.viewer, 1111111111111)
- // }
-
- // 获取webgl上下文
- let gl = this.viewer?.scene.context._originalGLContext
- gl.canvas.width = 1
- gl.canvas.height = 1
- gl.getExtension("WEBGL_lose_context").loseContext()
- gl = null
- this.viewer?.destroy() // 销毁Viewer实例
- this.viewer = null
- var cesiumContainer = document.getElementById(this.viewerDom)
- if (cesiumContainer && removeDom) {
- cesiumContainer.remove() // 移除与地图相关的DOM元素
- this.viewerDom = null
- }
+ var cesiumContainer = document.getElementById(this.viewerDom)
+ if (cesiumContainer && removeDom) {
+ cesiumContainer.remove() // 移除与地图相关的DOM元素
+ this.viewerDom = null
}
- }
-
- setShowDock (sns) {
- this.boundary?.setShowDock(sns)
- }
-
- // 切换轮廓显示
- async switchContour (open) {
- if (open) {
- await this.boundary?.openContour()
-
- } else {
- this.boundary?.closeContour()
- }
- }
- // // 飞向轮廓居中
- flyToContour () {
- this.boundary?.flyToBoundary()
}
// 飞行 flyto
@@ -257,7 +285,7 @@
this.globalBaseMapLayers?.forEach(item => {
if (item.mapLayer) item.mapLayer.show = false
})
- // store.state.common.mapSetting.mode = mode
+ store.state.common.mapSetting.mode = mode
// 标准地图(天地图矢量)加载
if (mode === 0) {
mapLayers.push(
@@ -324,9 +352,7 @@
this.viewer?.imageryLayers.lowerToBottom(find.mapLayer)
})
}
-
// 设置或重置滤镜
-
setCurrentLayerFilter (data, mode) {
if (mode === 17) {
data.mapLayer.brightness = 0.6 // 亮度（默认值）
@@ -843,4 +869,25 @@
this.viewer?.imageryLayers.remove(imageryLayers)
}
}
+
+ setFixedNoonLighting (utcOffsetHours = 8) {
+ if (!this.viewer) return
+ const now = new Date()
+ const utcNoon = Date.UTC(
+ now.getUTCFullYear(),
+ now.getUTCMonth(),
+ now.getUTCDate(),
+ 12 - Number(utcOffsetHours || 0),
+ 0,
+ 0,
+ 0
+ )
+ const julian = Cesium.JulianDate.fromDate(new Date(utcNoon))
+ this.viewer.clock.currentTime = julian
+ this.viewer.clockViewModel.currentTime = julian
+ this.viewer.clock.shouldAnimate = false
+ this.viewer.clock.multiplier = 0
+ this.viewer.clockViewModel.multiplier = 0
+ this.viewer.scene.requestRender()
+ }
}
--
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