/**
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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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let point = this.point; //楼栋位置
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let floorHeight = this.style.spacing; //每层层高,单位:米
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let 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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let alt = point.alt + i * floorHeight;
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let 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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let topAlt = point.alt + floorCount * floorHeight;
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let 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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let point = this.point; //楼栋位置
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for (let i = 0; i < this._models.length; i++) {
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let model = this._models[i];
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let 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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*/
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mergeAll(time = 4) {
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let point = this.point; //楼栋位置
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for (let i = 0; i < this._models.length; i++) {
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let 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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let point = this.point; //楼栋位置
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for (let i = 0; i < this._models.length; i++) {
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let 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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let point = this.point; //楼栋位置
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let 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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let 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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let 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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