antv-l7/stories/Layers/components/citybuilding.tsx

import { CityBuildingLayer, Scene } from '@antv/l7';
import { Mapbox } from '@antv/l7-maps';
import * as dat from 'dat.gui';
import * as React from 'react';
export default class CityBuildingLayerDemo extends React.Component {
  // @ts-ignore
  private scene: Scene;

  public componentWillUnmount() {
    this.scene.destroy();
  }

  public async componentDidMount() {
    const response = await fetch(
      'https://gw.alipayobjects.com/os/rmsportal/vmvAxgsEwbpoSWbSYvix.json',
    );
    const scene = new Scene({
      id: 'map',
      map: new Mapbox({
        style: 'dark',
        center: [121.507674, 31.223043],
        pitch: 65.59312320916906,
        zoom: 15.4,
        minZoom: 15,
        maxZoom: 18,
      }),
    });
    const pointLayer = new CityBuildingLayer();
    pointLayer
      .source(await response.json())
      .size('floor', [0, 500])
      .color('rgba(242,246,250,1.0)')
      .animate({
        enable: false,
      })
      .style({
        opacity: 0.7,
        baseColor: 'rgb(16,16,16)',
        windowColor: 'rgb(30,60,89)',
        brightColor: 'rgb(255,176,38)',
      });
    scene.addLayer(pointLayer);

    this.scene = scene;

    const gui = new dat.GUI();
    const styleOptions = {
      time: 1,
    };
    const pointFolder = gui.addFolder('动画控制');
    pointFolder.add(styleOptions, 'time', 0, 4000, 1).onChange((t: number) => {
      pointLayer.setLight(t);
      scene.render();
    });
  }
  public render() {
    return (
      <div
        id="map"
        style={{
          position: 'absolute',
          top: 0,
          left: 0,
          right: 0,
          bottom: 0,
        }}
      />
    );
  }
}