获取相机参数

const camera = viewer.scene.camera
const cartographic = Cesium.Cartographic.fromCartesian(camera.position)
const x = Cesium.Math.toDegrees(cartographic.longitude)
const y = Cesium.Math.toDegrees(cartographic.latitude)
const z = cartographic.height
let pt = Cesium.Cartographic.fromDegrees(x, y, z);
let ellipsoid = viewer.scene.globe.ellipsoid;
let cartesian3 = ellipsoid.cartographicToCartesian(pt);
let objinfo = {
    "经度": x,
    "维度": y,
    "高度": z,
    "x": cartesian3.x,
    "y": cartesian3.y,
    "z": cartesian3.z,
    "heading": camera.heading,
    "pitch": camera.pitch,
    "roll": camera.roll
}
console.log(objinfo)