import * as mars3d from "mars3d"
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export let map // mars3d.Map三维地图对象
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export let graphicLayer // 矢量图层对象
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let videoElement
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// 需要覆盖config.json中地图属性参数（当前示例框架中自动处理合并）
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export const mapOptions = {
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scene: {
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center: { lat: 28.44134, lng: 119.482687, alt: 199, heading: 227, pitch: -28 }
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}
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}
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/**
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* 初始化地图业务，生命周期钩子函数（必须）
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* 框架在地图初始化完成后自动调用该函数
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* @param {mars3d.Map} mapInstance 地图对象
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* @returns {void} 无
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*/
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export function onMounted(mapInstance) {
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map = mapInstance // 记录首次创建的map
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// 添加参考三维模型
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const tiles3dLayer = new mars3d.layer.TilesetLayer({
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name: "县城社区",
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url: "//data.mars3d.cn/3dtiles/qx-shequ/tileset.json",
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position: { alt: 11.5 },
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maximumScreenSpaceError: 1,
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maximumMemoryUsage: 1024
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})
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map.addLayer(tiles3dLayer)
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// 允许编辑
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map.graphicLayer.hasEdit = true
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// 创建矢量数据图层
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graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(graphicLayer)
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bindLayerEvent() // 对图层绑定相关事件
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bindLayerPopup() // 在图层上绑定popup,对所有加到这个图层的矢量数据都生效
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bindLayerContextMenu() // 在图层绑定右键菜单,对所有加到这个图层的矢量数据都生效
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createVideoDom()
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// 加一些演示数据
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addDemoGraphic1()
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addDemoGraphic2()
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}
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/**
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* 释放当前地图业务的生命周期函数
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* @returns {void} 无
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*/
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export function onUnmounted() {
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map = null
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}
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function createVideoDom() {
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videoElement = mars3d.DomUtil.create("video", "", document.body)
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videoElement.setAttribute("muted", "muted")
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videoElement.setAttribute("autoplay", "autoplay")
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videoElement.setAttribute("loop", "loop")
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videoElement.setAttribute("crossorigin", "")
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videoElement.setAttribute("controls", "")
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videoElement.style.display = "none"
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const sourceContainer = mars3d.DomUtil.create("source", "", videoElement)
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sourceContainer.setAttribute("src", "//data.mars3d.cn/file/video/lukou.mp4")
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sourceContainer.setAttribute("type", "video/mp4")
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// 可以使视频元素与Cesium的模拟时钟同步
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const synchronizer = new Cesium.VideoSynchronizer({
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clock: map.clock,
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element: videoElement
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})
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map.clock.shouldAnimate = true
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setTimeout(() => {
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try {
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if (videoElement.paused) {
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globalMsg("当前浏览器已限制自动播放，请单击播放按钮")
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videoElement.play()
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}
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} catch (e) {
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// 规避浏览器权限异常
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globalMsg("当前浏览器已限制自动播放，请单击播放按钮")
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}
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}, 3000)
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}
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// 竖立视频
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function addDemoGraphic1() {
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const graphic = new mars3d.graphic.PolygonEntity({
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positions: [
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[119.481299, 28.439988, 140],
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[119.481162, 28.440102, 140],
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[119.481163, 28.440101, 130],
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[119.481296, 28.439986, 130]
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],
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style: {
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material: videoElement,
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stRotationDegree: 0 // 视频旋转角度
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},
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attr: { remark: "示例1" }
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})
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graphicLayer.addGraphic(graphic)
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}
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// 地面视频
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function addDemoGraphic2() {
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const graphic = new mars3d.graphic.PolygonEntity({
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positions: [
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[119.481749, 28.440171],
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[119.481385, 28.440457],
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[119.481911, 28.44094],
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[119.482254, 28.440653]
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],
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style: {
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material: videoElement,
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stRotationDegree: 130, // 视频旋转角度
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clampToGround: true
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(graphic)
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}
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let rotation = 0
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function getRotationValue() {
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return rotation
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}
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export function drawRectangle() {
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map.graphicLayer.startDraw({
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type: "rectangle",
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style: {
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color: "#ffff00",
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opacity: 0.2,
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clampToGround: true
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},
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success: function (graphic) {
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graphic.entityGraphic.material = videoElement
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graphic.entityGraphic.rotation = new Cesium.CallbackProperty(getRotationValue, false)
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graphic.entityGraphic.stRotation = new Cesium.CallbackProperty(getRotationValue, false)
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}
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})
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}
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/**
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* 绘制这个polygon的时候，点的绘制顺序和面的角度不同，会使画面翻转
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*
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* @export
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* @param {boolean} clampToGround 是否贴地 clampToGround = true/false
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* @returns {void}
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*/
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export function drawPolygon(clampToGround) {
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map.graphicLayer.startDraw({
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type: "polygon",
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style: {
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color: "#ffff00",
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opacity: 0.2,
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clampToGround: clampToGround
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},
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success: function (graphic) {
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graphic.entityGraphic.material = videoElement
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graphic.entityGraphic.stRotation = new Cesium.CallbackProperty(getRotationValue, false)
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}
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})
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}
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// 播放暂停
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export function videoPlay() {
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if (!map.clock.shouldAnimate) {
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map.clock.shouldAnimate = true
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}
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}
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export function videoStop() {
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if (map.clock.shouldAnimate) {
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map.clock.shouldAnimate = false
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}
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}
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/**
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* 方向改变
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*
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* @export
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* @param {number} value 范围在0-360°
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* @returns {void}
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*/
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export function angleChange(value) {
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rotation = Cesium.Math.toRadians(value)
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}
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export function removeAll() {
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map.graphicLayer.clear()
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graphicLayer.clear()
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}
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// 在图层级处理一些事物
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function bindLayerEvent() {
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// 在layer上绑定监听事件
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graphicLayer.on(mars3d.EventType.click, function (event) {
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console.log("监听layer，单击了矢量对象", event)
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})
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/* graphicLayer.on(mars3d.EventType.mouseOver, function (event) {
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console.log("监听layer，鼠标移入了矢量对象", event)
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})
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graphicLayer.on(mars3d.EventType.mouseOut, function (event) {
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console.log("监听layer，鼠标移出了矢量对象", event)
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}) */
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}
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// 在图层绑定Popup弹窗
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export function bindLayerPopup() {
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graphicLayer.bindPopup(function (event) {
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const attr = event.graphic.attr || {}
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attr["类型"] = event.graphic.type
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attr["来源"] = "我是layer上绑定的Popup"
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attr["备注"] = "我支持鼠标交互"
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return mars3d.Util.getTemplateHtml({ title: "矢量图层", template: "all", attr: attr })
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})
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}
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// 绑定右键菜单
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export function bindLayerContextMenu() {
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graphicLayer.bindContextMenu([
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{
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text: "开始编辑对象",
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icon: "fa fa-edit",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic || !graphic.startEditing) {
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return false
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}
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return !graphic.isEditing
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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if (graphic) {
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graphicLayer.startEditing(graphic)
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}
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}
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},
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{
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text: "停止编辑对象",
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icon: "fa fa-edit",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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return graphic.isEditing
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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if (graphic) {
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graphicLayer.stopEditing(graphic)
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}
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}
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},
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{
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text: "删除对象",
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icon: "fa fa-trash-o",
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show: (event) => {
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const graphic = event.graphic
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if (!graphic || graphic.isDestroy) {
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return false
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} else {
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return true
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}
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return
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}
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const parent = graphic._parent // 右击是编辑点时
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graphicLayer.removeGraphic(graphic)
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if (parent) {
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graphicLayer.removeGraphic(parent)
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}
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}
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}
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])
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}
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