/**
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* 分层的楼栋 模型对象
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*
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* @class FloorGraphic
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* @extends {mars3d.graphic.BasePointEntity}
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*/
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class FloorGraphic extends mars3d.graphic.BasePointEntity {
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/**
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* 对象添加到图层前创建一些对象的钩子方法，
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* 只会调用一次
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* @return {void} 无
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* @private
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*/
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_mountedHook() {
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this._models = []
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const point = this.point // 楼栋位置
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const floorHeight = this.style.spacing // 每层层高,单位:米
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const floorCount = this.style.count // 总层数（不含楼顶）
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// 增加楼层
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for (let i = 0; i < floorCount; i++) {
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const alt = point.alt + i * floorHeight
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const model = new mars3d.graphic.ModelEntity ({
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position: [point.lng, point.lat, alt],
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style: this.style,
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attr: {
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origAlt: alt // 记录原始高度
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}
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})
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this._models.push(model)
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}
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// 增加楼顶
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const topAlt = point.alt + floorCount * floorHeight
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const topModel = new mars3d.graphic.ModelEntity({
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position: [point.lng, point.lat, topAlt],
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style: {
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...this.style,
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url: this.style.topUrl
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},
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attr: {
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origAlt: topAlt // 记录原始高度
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}
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})
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this._models.push(topModel)
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}
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/**
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* 对象添加到图层上的创建钩子方法，
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* 每次add时都会调用
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* @return {void} 无
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* @private
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*/
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_addedHook() {
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this._models.forEach((model) => {
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this._layer.addGraphic(model)
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})
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}
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/**
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* 对象从图层上移除的创建钩子方法，
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* 每次remove时都会调用
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* @return {void} 无
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* @private
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*/
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_removedHook() {
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this._models.forEach((model) => {
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this._layer.removeGraphic(model)
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})
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}
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/**
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* 展开所有楼层
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*
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* @param {number} height 展开的每层间隔高度，单位：米
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* @param {number} [time=4] 完全展开时间,单位:秒
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* @return {void} 无
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*/
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openAll(height, time = 4) {
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this.reset()
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const point = this.point // 楼栋位置
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for (let i = 0; i < this._models.length; i++) {
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const model = this._models[i]
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const alt = i * height + model.attr.origAlt
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model.moveTo({
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position: [point.lng, point.lat, alt],
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time: time // 移动的时长(单位 秒)
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})
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}
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}
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/**
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* 合并所有楼层
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*
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* @param {number} [time=4] 完成合并时间,单位:秒
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* @memberof FloorGraphic
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* @returns {void}
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*/
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mergeAll(time = 4) {
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const point = this.point // 楼栋位置
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for (let i = 0; i < this._models.length; i++) {
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const model = this._models[i]
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model.show = true
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model.moveTo({
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position: [point.lng, point.lat, model.attr.origAlt],
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time: time // 移动的时长(单位 秒)
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})
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}
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}
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/**
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* 还原重置所有楼层
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* @return {void} 无
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*/
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reset() {
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const point = this.point // 楼栋位置
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for (let i = 0; i < this._models.length; i++) {
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const model = this._models[i]
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model.position = new mars3d.LatLngPoint(point.lng, point.lat, model.attr.origAlt)
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model.show = true
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}
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}
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/**
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* 显示指定楼层
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*
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* @param {Number} floorNum 指定显示的楼层，第1层开始
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* @param {Number} [time=1] 楼层下落需要时间,单位:秒
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* @return {void} 无
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*/
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showFloor(floorNum, time = 1) {
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floorNum--
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const point = this.point // 楼栋位置
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const maxHeight = 120 // 顶部落下的高度
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for (let i = floorNum; i < this._models.length; i++) {
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const model = this._models[i]
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model.position = new mars3d.LatLngPoint(point.lng, point.lat, maxHeight)
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model.show = false
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}
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for (let j = 0; j <= floorNum; j++) {
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const model = this._models[j]
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model.show = true
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model.moveTo({
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position: [point.lng, point.lat, model.attr.origAlt],
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time: time // 移动的时长(单位 秒)
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})
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}
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}
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}
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