原点经纬度调整

class CesiumDemo {
  async init() {
    const { Cesium } = this.element.getMountedInstance();
    console.debug("Cesium Version:", Cesium.VERSION);

    const viewer = new Cesium.Viewer("cesiumContainer");

    var entity = viewer.entities.add({
      position: Cesium.Cartesian3.fromDegrees(116.391935, 39.907123),
      point: {
        color: Cesium.Color.YELLOW,
        pixelSize: 10,
      },
    });

    var heading = 0; // 朝向
    var offset = new Cesium.HeadingPitchRange(
      Cesium.Math.toRadians(heading),
      -Cesium.Math.toRadians(45),
      500
    );
    viewer.zoomTo(entity, offset);
    this.viewer = viewer;
    this.heading = heading;
    this.Cesium = Cesium;
    this.entity = entity;
  }
  update() {
    this.heading += 0.03;
    let offset = new this.Cesium.HeadingPitchRange(
      this.Cesium.Math.toRadians(this.heading),
      -this.Cesium.Math.toRadians(15),
      500
    );
    this.viewer.zoomTo(this.entity, offset);
    // this.viewer.scene.screenSpaceCameraController.enableInputs = false
  }
  getCesiumHtml() {
    return `
    <style>
      #cesiumContainer{
        width:100%;
        height:100%;
        margin:0;
        padding:0;
        overflow:hidden;
      }
    </style>
    <div id="cesiumContainer"></div>
    `;
  }
}
export default CesiumDemo;