下面汇总的相机视角跳转方法有很多种，都是根据某一个经纬度高程坐标[x,y,z]，Entity实体或者矩形四至范围[west , south , east , north]作为视图跳转到目标范围的中心，然后在该位置上设置相机相对的偏移量，这个偏移量主要是设置相机的偏航角、航向角和翻滚角或者椭球范围，请大家根据实际情况选择合适的相机视角跳转方法 。

import * as Cesium from "cesium";/*** 相机移动到某一个坐标或者矩形范围内* @param {Object} viewer -地图对象* @param {Object} option -参数对象* @param {Number} option.duration -视图跳转时间（单位/s）* @param {String} option.type -跳转目标类型方式，‘point’：相机移动到某一个坐标；‘rectangle’：相机移动到矩形范围内* @param {Array} option.xyz -跳转目标类型方式:‘point’,则xyz为[x,y,z]* @param {Array} option.wsen -跳转目标类型方式:‘rectangle’,则wsen为[west , south , east , north],（单位/度）* @param {Number} option.heading -相机航向角* @param {Number} option.pitch -相机俯仰角* @param {Number} option.roll -相机翻滚角*/
export function cameraFlyTo(viewer, option) {let destination;if ((option.type = "point")) {destination = Cesium.Cartesian3.fromDegrees(...option.xyz);} else if ((option.type = "rectangle")) {destination = Cesium.Cartesian3.fromDegrees(...option.ewsn);}viewer.camera.flyTo({duration: option.duration,destination,orientation: {heading: Cesium.Math.toRadians(option.heading),pitch: Cesium.Math.toRadians(option.pitch),roll: option.roll,},});
}/*** 相机移动到某一个坐标范围内* @param {Object} viewer -地图对象* @param {Object} option -参数对象* @param {Array} option.xyz -跳转椭球体中心坐标数组[x,y,z]* @param {Number} option.heading -相机航向角* @param {Number} option.pitch -相机俯仰角* @param {Number} option.range -以椭球体中心坐标为中心的的范围大小（单位/m）*/
export function cameraLookAt(viewer, option) {viewer.camera.flyTo({target: Cesium.Cartesian3.fromDegrees(...option.xyz),offset: {heading: Cesium.Math.toRadians(option.heading),pitch: Cesium.Math.toRadians(option.pitch),range: option.range,},});
}/*** 相机移动到某一坐标范围内* @param {Object} viewer -地图对象* @param {Object} option -参数对象* @param {Array} option.xyz -跳转椭球体中心坐标数组[x,y,z]* @param {Number} option.duration -视图跳转时间（单位/s）* @param {Number} option.heading -相机航向角* @param {Number} option.pitch -相机俯仰角* @param {Number} option.roll -相机翻滚角*/
export function cameraSetView(viewer, option) {viewer.camera.setView({destination: Cesium.Cartesian3.fromDegrees(...option.xyz),orientation: {heading: Cesium.Math.toRadians(90.0), // east, default value is 0.0 (north)pitch: Cesium.Math.toRadians(-90), // default value (looking down)roll: 0.0, // default value},});
}/*** 相机移动到移到某一个坐标范围内* @param {Object} viewer -地图对象* @param {Object} option -参数对象* @param {Array} option.xyz -跳转椭球体中心坐标数组[x,y,z]* @param {Number} option.radius -跳转椭球体半径（单位/m）* @param {Number} option.duration -视图跳转时间（单位/s）* @param {Number} option.heading -相机航向角* @param {Number} option.pitch -相机俯仰角* @param {Number} option.range -以跳转坐标为中心的的范围大小（单位/m）*/
export function cameraflyToBoundingSphere(viewer, option) {viewer.camera.flyToBoundingSphere(new Cesium.BoundingSphere(Cesium.Cartesian3.fromDegrees(...option.xyz),option.radius),{duration: option.duration,offset: {heading: Cesium.Math.toRadians(option.heading),pitch: Cesium.Math.toRadians(option.pitch),range: option.range,},complete: function () {console.log("飞行完成！");},cancel: function () {console.log("飞行取消！");},});
}/*** 相机移动到某一entity实体上 === viewer.zoomTo(entity)===viewer.trackedEntity =entity* @param {Object} viewer -地图对象* @param {Object} option -参数对象* @param {Object} option.entity -entity对象* @param {Number} option.duration -视图跳转时间（单位/s）* @param {Number} option.heading -相机航向角* @param {Number} option.pitch -相机俯仰角* @param {Number} option.range -以entity为中心的的范围大小（单位/m）*/
export function viewerFlyTo(viewer, option) {viewer.flyTo(option.entity, {duration: option.duration,offset: {heading: Cesium.Math.toRadians(option.heading),pitch: Cesium.Math.toRadians(option.pitch),range: option.range,},// 视角跳转最大高度（一般不用）// maximumHeight: 20000,});
}