616 lines
22 KiB
JavaScript
616 lines
22 KiB
JavaScript
/**
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* @description 道路
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*/
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import Dialog from '../../Element/Dialog';
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import { html } from "./_element";
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import EventBinding from '../../Element/Dialog/eventBinding';
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import Base from "../index";
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import { syncData } from '../../../Global/MultiViewportMode'
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import { setSplitDirection, syncSplitData, setActiveId } from '../../../Global/SplitScreen'
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import { setActiveViewer, closeRotateAround, closeViewFollow } from '../../../Global/global'
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class Road extends Base {
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/**
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* @constructor
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* @param sdk
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* @description 道路
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* @param options {object} 道路属性
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* @param options.name=未命名对象 {string} 名称
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* @param options.carRoadWidth=2 {number} 车道宽度
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* @param options.sideWidth=2 {number} 人行道宽度
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* @param options.positions=[] {array} 道路positions
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* @param options.roadImage='' {string} 车道贴图
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* @param options.sideImage='' {string} 人行道贴图
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* @param Dialog {object} 弹框对象
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* @param Dialog.confirmCallBack {function} 弹框确认时的回调
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* */
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constructor(sdk, options = {}, _Dialog = {}) {
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super(sdk, options);
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this.viewer = this.sdk.viewer
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this.options.name = options.name || '道路'
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this.options.carRoadWidth = options.carRoadWidth || 10
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this.options.sideWidth = options.sideWidth || 5
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this.options.positions = options.positions || []
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this.options.roadImage = options.roadImage || (this.getSourceRootPath() + '/img/roadPhoto.png')
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this.options.sideImage = options.sideImage || (this.getSourceRootPath() + '/img/sidePhoto.png')
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this.options.show = (options.show || options.show === false) ? options.show : true
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this.Dialog = _Dialog
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this._EventBinding = new EventBinding()
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this._elms = {};
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this.positionArea = []
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this.positions = []
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this.lineEntity = ''
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this.sdk.addIncetance(this.options.id, this)
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Road.create(this)
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}
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// 创建道路
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static create(that) {
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let positions = []
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that.options.positions.forEach(v => {
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positions.push(new Cesium.Cartesian3.fromDegrees(v.lng, v.lat, v.alt))
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})
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let area = [[], [], []]
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area[1] = that.createLineBufferPolygon2(positions, that.options.carRoadWidth / 2)
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area[0] = that.createLineBufferPolygonSide(area[1][2], -that.options.sideWidth)
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area[2] = that.createLineBufferPolygonSide(area[1][1], that.options.sideWidth)
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if (that.viewer.entities.getById(that.options.id)) {
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that.viewer.entities.getById(that.options.id)._children.forEach((item) => {
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that.viewer.entities.remove(item);
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});
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that.viewer.entities.remove(that.viewer.entities.getById(that.options.id))
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}
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that.lineEntity = that.viewer.entities.add(new Cesium.Entity({ id: that.options.id, show: that.options.show }))
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const myImg = new Image()
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myImg.src = that.options.roadImage
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myImg.onload = function () {
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area[1][0].forEach((item, index) => {
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that.viewer.entities.add({
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// id: that.options.id,
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parent: that.lineEntity,
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polygon: {
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hierarchy: new Cesium.PolygonHierarchy(item),
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material: new Cesium.ImageMaterialProperty({
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image: that.options.roadImage,
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transparent: true,// 如果图片有透明部分，需要设置为 true
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repeat: that.calculateTextureRepeat(item, myImg)
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}),
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stRotation: that.calculateRoadAngle(positions[index], positions[index + 1])
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}
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});
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})
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}
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const myImg2 = new Image()
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myImg2.src = that.options.sideImage
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myImg2.onload = function () {
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area[0].forEach((item, index) => {
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that.viewer.entities.add({
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parent: that.lineEntity,
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polygon: {
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hierarchy: new Cesium.PolygonHierarchy(item),
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material: new Cesium.ImageMaterialProperty({
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image: that.options.sideImage,
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transparent: true,// 如果图片有透明部分，需要设置为 true
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repeat: that.calculateTextureRepeat(item, myImg2)
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}),
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stRotation: that.calculateRoadAngle(positions[index], positions[index + 1])
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}
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});
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})
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area[2].forEach((item, index) => {
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that.viewer.entities.add({
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polygon: {
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hierarchy: new Cesium.PolygonHierarchy(item),
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material: new Cesium.ImageMaterialProperty({
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image: that.options.sideImage,
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transparent: true,// 如果图片有透明部分，需要设置为 true
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repeat: that.calculateTextureRepeat(item, myImg2)
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}),
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stRotation: that.calculateRoadAngle(positions[index], positions[index + 1])
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}
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});
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})
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}
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}
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getArr(arr1, arr2) {
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arr2 = arr2.reverse()
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let polygon = []
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for (let index = 0; index < arr1.length - 1; index++) {
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polygon.push([arr1[index], arr1[index + 1], arr2[index + 1], arr2[index]])
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}
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return polygon
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}
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calculateRoadAngle(startPoint, endPoint) {
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// 1. 获取地表法向量
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const normal = Cesium.Ellipsoid.WGS84.geodeticSurfaceNormal(startPoint);
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// 2. 构建精确ENU坐标系
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const enuMatrix = Cesium.Transforms.eastNorthUpToFixedFrame(startPoint, undefined, normal);
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const inverseMatrix = Cesium.Matrix4.inverse(enuMatrix, new Cesium.Matrix4());
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// 3. 转换终点并计算水平向量
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const localEnd = Cesium.Matrix4.multiplyByPoint(inverseMatrix, endPoint, new Cesium.Cartesian3());
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const horizontalVec = new Cesium.Cartesian2(localEnd.x, localEnd.y);
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Cesium.Cartesian2.normalize(horizontalVec, horizontalVec);
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const north = new Cesium.Cartesian2(1, 0);
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const angle = Cesium.Cartesian2.angleBetween(north, horizontalVec);
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const cross = Cesium.Cartesian2.cross(north, horizontalVec, new Cesium.Cartesian2());
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return cross < 0 ? angle : -angle;
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}
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calculatePolygonOrientation(positions) {
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// 假设 position 是 Cesium.Cartesian3 对象，表示地球上的某个点
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var position = positions[0]
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// 获取东、北、上坐标系
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var eastNorthUp = Cesium.Transforms.eastNorthUpToFixedFrame(position);
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// northAxis 是北方向向量
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var northAxis = eastNorthUp.getColumn(1, new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(northAxis, northAxis);
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const direction = Cesium.Cartesian3.subtract(positions[0], positions[1], new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(direction, direction);
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const dot = Cesium.Cartesian3.dot(northAxis, direction);
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const magA = Cesium.Cartesian3.magnitude(northAxis);
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const magB = Cesium.Cartesian3.magnitude(direction);
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return Math.acos(dot / (magA * magB));
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}
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calculateTextureRepeat(polygonPositions, textureSize, meterPerPixel = 0.01) {
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// 验证纹理尺寸
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if (!textureSize.width || !textureSize.height) {
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throw new Error('Texture size must contain width and height in pixels');
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}
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// 创建多边形几何体
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const geometry = Cesium.PolygonGeometry.createGeometry(
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new Cesium.PolygonGeometry({
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polygonHierarchy: new Cesium.PolygonHierarchy(polygonPositions),
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vertexFormat: Cesium.VertexFormat.POSITION_ONLY
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})
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);
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// 计算多边形面积(平方米)
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let area = 0;
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const indices = geometry.indices;
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const positions = geometry.attributes.position.values;
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for (let i = 0; i < indices.length; i += 3) {
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const i0 = indices[i] * 3;
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const i1 = indices[i + 1] * 3;
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const i2 = indices[i + 2] * 3;
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const p0 = new Cesium.Cartesian3(positions[i0], positions[i0 + 1], positions[i0 + 2]);
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const p1 = new Cesium.Cartesian3(positions[i1], positions[i1 + 1], positions[i1 + 2]);
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const p2 = new Cesium.Cartesian3(positions[i2], positions[i2 + 1], positions[i2 + 2]);
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const cross = Cesium.Cartesian3.cross(
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Cesium.Cartesian3.subtract(p1, p0, new Cesium.Cartesian3()),
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Cesium.Cartesian3.subtract(p2, p0, new Cesium.Cartesian3()),
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new Cesium.Cartesian3()
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);
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area += Cesium.Cartesian3.magnitude(cross) * 0.5;
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}
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// 将像素尺寸转换为实际尺寸（平方米）
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const textureWidthMeters = textureSize.width * meterPerPixel;
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const textureHeightMeters = textureSize.height * meterPerPixel;
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const textureArea = textureWidthMeters * textureHeightMeters;
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// 计算各轴向重复次数
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const repeatX = Math.sqrt(area) / textureWidthMeters;
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const repeatY = Math.sqrt(area) / textureHeightMeters;
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return new Cesium.Cartesian2(Math.max(1, Math.ceil(repeatX)), 1.0);
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}
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swapLastElements(arr1, arr2) {
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const last = arr1[arr1.length - 1]
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const first = arr2[0]
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arr1[arr1.length - 1] = first
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arr2[0] = last
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return [arr1, arr2];
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}
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createLineBufferPolygonSide(positions, width) {
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let area = []
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for (let i = 0; i < positions.length - 1; i++) {
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const start = positions[i];
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const end = positions[i + 1];
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const dir = Cesium.Cartesian3.subtract(end, start, new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(dir, dir);
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// 获取垂直向量（基于Z轴）
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const perp = Cesium.Cartesian3.cross(dir, Cesium.Cartesian3.UNIT_Z, new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(perp, perp);
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// 生成偏移向量
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const offset = Cesium.Cartesian3.multiplyByScalar(perp, width, new Cesium.Cartesian3());
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let point1 = Cesium.Cartesian3.add(start, offset, new Cesium.Cartesian3())
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let point3 = Cesium.Cartesian3.add(end, offset, new Cesium.Cartesian3())
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i == positions.length - 2 ? area.push(start, point1, end, point3) : area.push(start, point1)
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}
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let arr = []
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for (let i = 0; i < area.length - 2; i += 2) {
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arr.push([area[i], area[i + 1], area[i + 3], area[i + 2]])
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}
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return arr
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}
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createLineBufferPolygon2(positions, width) {
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let area = []
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let leftPositions = [];
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let rightPositions = [];
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for (let i = 0; i < positions.length - 1; i++) {
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const start = positions[i];
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// const end = positions[i + 1] || positions[i - 1];
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const end = positions[i + 1];
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const dir = Cesium.Cartesian3.subtract(end, start, new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(dir, dir);
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// 获取垂直向量（基于Z轴）
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const perp = Cesium.Cartesian3.cross(dir, Cesium.Cartesian3.UNIT_Z, new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(perp, perp);
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// 生成偏移向量
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const offset = Cesium.Cartesian3.multiplyByScalar(perp, width, new Cesium.Cartesian3());
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const offset2 = Cesium.Cartesian3.multiplyByScalar(perp, -width, new Cesium.Cartesian3());
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let point1 = Cesium.Cartesian3.add(start, offset, new Cesium.Cartesian3())
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let point2 = Cesium.Cartesian3.add(start, offset2, new Cesium.Cartesian3())
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let point3 = Cesium.Cartesian3.add(end, offset, new Cesium.Cartesian3())
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let point4 = Cesium.Cartesian3.add(end, offset2, new Cesium.Cartesian3())
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if (i == positions.length - 2) {
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area.push(point1, point2, point3, point4)
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rightPositions.push(point1)
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leftPositions.push(point2)
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leftPositions.push(point4)
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rightPositions.push(point3)
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} else {
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area.push(point1, point2)
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rightPositions.push(point1)
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leftPositions.push(point2)
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}
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}
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let arr = []
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for (let i = 0; i < area.length - 2; i += 2) {
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arr.push([area[i], area[i + 1], area[i + 3], area[i + 2]])
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}
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return [arr, rightPositions, leftPositions]
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}
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createLineBufferPolygon(viewer, positions, width) {
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// 计算每个线段的左右偏移点
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const leftPositions = [];
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const rightPositions = [];
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for (let i = 0; i < positions.length; i++) {
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const start = positions[i];
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const end = positions[i + 1] || positions[i - 1];
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// 计算线段方向向量
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const direction = Cesium.Cartesian3.subtract(end, start, new Cesium.Cartesian3());
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// const direction = Cesium.Cartesian3.subtract(start, end, new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(direction, direction);
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// 计算垂直向量（使用上向量叉积）
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const up = Cesium.Cartesian3.UNIT_Z;
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const perpendicular = Cesium.Cartesian3.cross(direction, up, new Cesium.Cartesian3());
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Cesium.Cartesian3.normalize(perpendicular, perpendicular);
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// 计算左右偏移点
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const leftOffset = Cesium.Cartesian3.multiplyByScalar(
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perpendicular,
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width,
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new Cesium.Cartesian3()
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);
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if (width > 0) {
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rightPositions.unshift(Cesium.Cartesian3.add(start, leftOffset, new Cesium.Cartesian3()));
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} else if (width < 0) {
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rightPositions.push(Cesium.Cartesian3.add(start, leftOffset, new Cesium.Cartesian3()));
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}
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}
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return rightPositions
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}
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get carRoadWidth() {
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return this.options.carRoadWidth
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}
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set carRoadWidth(v) {
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this.options.carRoadWidth = v
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Road.create(this)
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}
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get sideWidth() {
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return this.options.sideWidth
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}
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set sideWidth(v) {
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this.options.sideWidth = v
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Road.create(this)
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}
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/**
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* @description 编辑框
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* @param state=false {boolean} 状态: true打开, false关闭
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*/
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async edit(state = false) {
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let _this = this
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this.originalOptions = this.deepCopyObj(this.options)
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if (this._DialogObject && this._DialogObject.close) {
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this._DialogObject.close()
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this._DialogObject = null
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}
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if (state) {
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this._DialogObject = await new Dialog(this.sdk, this.originalOptions, {
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title: '道路属性', left: '180px', top: '100px',
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confirmCallBack: (options) => {
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this.name = this.name.trim()
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if (!this.name) {
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this.name = '道路'
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}
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this.originalOptions = this.deepCopyObj(this.options)
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this._DialogObject.close()
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this.Dialog.confirmCallBack && this.Dialog.confirmCallBack(this.originalOptions)
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syncData(this.sdk, this.options.id)
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syncSplitData(this.sdk, this.options.id)
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},
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resetCallBack: () => {
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this.reset()
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this.Dialog.resetCallBack && this.Dialog.resetCallBack()
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},
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closeCallBack: () => {
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this.reset()
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this.Dialog.closeCallBack && this.Dialog.closeCallBack()
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},
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showCallBack: (show) => {
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this.show = show
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this.Dialog.showCallBack && this.Dialog.showCallBack()
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}
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}, true)
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this._DialogObject._element.body.className = this._DialogObject._element.body.className + ' road-surface'
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let contentElm = document.createElement('div');
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contentElm.innerHTML = html()
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this._DialogObject.contentAppChild(contentElm)
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// 下拉选项
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// let heightModeData = [
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// {
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// name: '海拔高度',
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// value: '海拔高度',
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// key: '0',
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// },
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// {
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// name: '相对地表',
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// value: '相对地表',
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// key: '1',
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// },
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// {
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// name: '依附模型',
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// value: '依附模型',
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// key: '2',
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// }
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// ]
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// let heightModeObject = legp(
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// this._DialogObject._element.content.getElementsByClassName(
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// 'road-box'
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// )[0],
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// '.road-type'
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// )
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// if (heightModeObject) {
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// heightModeObject.legp_search(heightModeData)
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// let heightModeDataLegpElm = this._DialogObject._element.content
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// .getElementsByClassName('road-type')[0]
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// .getElementsByTagName('input')[0]
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// for (let i = 0; i < heightModeData.length; i++) {
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// if (heightModeData[i].key == this.heightMode) {
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// heightModeDataLegpElm.value = heightModeData[i].value
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// heightModeObject.legp_searchActive(
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// heightModeData[i].value
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// )
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// break
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// }
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// }
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// heightModeDataLegpElm.addEventListener('input', () => {
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// for (let i = 0; i < heightModeData.length; i++) {
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// if (heightModeData[i].value === heightModeDataLegpElm.value) {
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// this.heightMode = heightModeData[i].key
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// break
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// }
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// }
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// })
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// this._elms.height = heightElm
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// this._elms.heightBox = heightBoxElm
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// this._elms.heightMode = heightModeDataLegpElm
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// this._elms.heightConfirm = heightConfirmElm
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// this._elms.heightModeObject = heightModeObject
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// heightConfirmElm.addEventListener('click', () => {
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// this.positionEditing = false
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// for (let i = 0; i < this.options.positions.length; i++) {
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// this.options.positions[i].alt = Number((this.options.positions[i].alt + Number(heightElm.value)).toFixed(2))
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// this._elms.alt[i].innerHTML = this.options.positions[i].alt
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// }
|
||
// let fromDegreesArray = this.renewPositions(this.options.positions)
|
||
// this.entity.polyline.positions = Cesium.Cartesian3.fromDegreesArrayHeights(
|
||
// fromDegreesArray
|
||
// )
|
||
|
||
// this.positionEditing = false
|
||
// PolylineObject.closeNodeEdit(this)
|
||
// })
|
||
// }
|
||
|
||
|
||
|
||
|
||
|
||
let all_elm = contentElm.getElementsByTagName("*")
|
||
this._EventBinding.on(this, all_elm)
|
||
this._elms = this._EventBinding.element
|
||
} else {
|
||
// if (this._element_style) {
|
||
// document.getElementsByTagName('head')[0].removeChild(this._element_style)
|
||
// this._element_style = null
|
||
// }
|
||
// if (this._DialogObject && this._DialogObject.remove) {
|
||
// this._DialogObject.remove()
|
||
// this._DialogObject = null
|
||
// }
|
||
}
|
||
}
|
||
|
||
reset() {
|
||
if (!this.viewer.entities.getById(this.options.id)) {
|
||
return
|
||
}
|
||
this.name = this.originalOptions.name
|
||
this.carRoadWidth = this.originalOptions.carRoadWidth
|
||
this.sideWidth = this.originalOptions.sideWidth
|
||
this.positions = this.originalOptions.positions
|
||
this.roadImage = this.originalOptions.roadImage
|
||
this.sideImage = this.originalOptions.sideImage
|
||
}
|
||
|
||
/**
|
||
* 飞到对应实体
|
||
*/
|
||
async flyTo(options = {}) {
|
||
setActiveViewer(0)
|
||
closeRotateAround(this.sdk)
|
||
closeViewFollow(this.sdk)
|
||
|
||
if (this.options.customView && this.options.customView.relativePosition && this.options.customView.orientation) {
|
||
let orientation = {
|
||
heading: Cesium.Math.toRadians(this.options.customView.orientation.heading || 0.0),
|
||
pitch: Cesium.Math.toRadians(this.options.customView.orientation.pitch || -60.0),
|
||
roll: Cesium.Math.toRadians(this.options.customView.orientation.roll || 0.0)
|
||
}
|
||
|
||
let lng = this.options.customView.relativePosition.lng
|
||
let lat = this.options.customView.relativePosition.lat
|
||
let alt = this.options.customView.relativePosition.alt
|
||
let destination = Cesium.Cartesian3.fromDegrees(lng, lat, alt)
|
||
|
||
let position = { lng: 0, lat: 0 }
|
||
if (this.options.position) {
|
||
position = { ...this.options.position }
|
||
}
|
||
else if (this.options.positions) {
|
||
position = { ...this.options.positions[0] }
|
||
}
|
||
else if (this.options.center) {
|
||
position = { ...this.options.center }
|
||
}
|
||
else if (this.options.start) {
|
||
position = { ...this.options.start }
|
||
}
|
||
else {
|
||
if (this.options.hasOwnProperty('lng')) {
|
||
position.lng = this.options.lng
|
||
}
|
||
if (this.options.hasOwnProperty('lat')) {
|
||
position.lat = this.options.lat
|
||
}
|
||
if (this.options.hasOwnProperty('alt')) {
|
||
position.alt = this.options.alt
|
||
}
|
||
}
|
||
// 如果没有高度值，则获取紧贴高度计算
|
||
// if (!position.hasOwnProperty('alt')) {
|
||
// position.alt = await this.getClampToHeight(position)
|
||
// }
|
||
lng = this.options.customView.relativePosition.lng + position.lng
|
||
lat = this.options.customView.relativePosition.lat + position.lat
|
||
alt = this.options.customView.relativePosition.alt + position.alt
|
||
destination = Cesium.Cartesian3.fromDegrees(lng, lat, alt)
|
||
this.sdk.viewer.camera.flyTo({
|
||
destination: destination,
|
||
orientation: orientation
|
||
})
|
||
}
|
||
else {
|
||
let positionArray = []
|
||
for (let i = 0; i < this.positions.length; i++) {
|
||
let a = Cesium.Cartesian3.fromDegrees(
|
||
this.positions[i][0],
|
||
this.positions[i][1],
|
||
this.options.height + this.options.heightDifference / 2
|
||
)
|
||
positionArray.push(a.x, a.y, a.z)
|
||
}
|
||
let BoundingSphere = Cesium.BoundingSphere.fromVertices(positionArray)
|
||
this.viewer.camera.flyToBoundingSphere(BoundingSphere, {
|
||
offset: {
|
||
heading: Cesium.Math.toRadians(0.0),
|
||
pitch: Cesium.Math.toRadians(-20.0),
|
||
roll: Cesium.Math.toRadians(0.0)
|
||
}
|
||
})
|
||
|
||
}
|
||
}
|
||
|
||
getSphere() {
|
||
return new Promise((resolve) => {
|
||
// entity没有加载完成时 state 不会等于0 所以设置定时器直到获取到为止
|
||
const interval = setInterval(() => {
|
||
const sphere = new Cesium.BoundingSphere()
|
||
const state = this.sdk.viewer._dataSourceDisplay.getBoundingSphere(
|
||
this.viewer.entities.getById(this.options.id),
|
||
false,
|
||
sphere
|
||
)
|
||
if (state === Cesium.BoundingSphereState.DONE) {
|
||
clearInterval(interval)
|
||
}
|
||
}, 1000)
|
||
})
|
||
}
|
||
|
||
/**
|
||
* 删除
|
||
*/
|
||
async remove() {
|
||
this.positions = []
|
||
this.lineEntity = null
|
||
|
||
if (this.viewer.entities.getById(this.options.id)) {
|
||
this.viewer.entities.getById(this.options.id)._children.forEach((item) => {
|
||
this.viewer.entities.remove(item);
|
||
});
|
||
this.viewer.entities.remove(this.viewer.entities.getById(this.options.id))
|
||
}
|
||
|
||
if (this._DialogObject && !this._DialogObject.isDestroy) {
|
||
this._DialogObject.close()
|
||
this._DialogObject = null
|
||
}
|
||
await this.sdk.removeIncetance(this.options.id)
|
||
await syncData(this.sdk, this.options.id)
|
||
}
|
||
|
||
flicker() { }
|
||
}
|
||
|
||
export default Road
|