Cesium 事件监听 onload 加载完成 点击事件

https://blog.csdn.net/qq_36061522/article/details/81233981

https://blog.csdn.net/qq_37638969/article/details/107131464

https://cesium.com/learn/cesiumjs/ref-doc/EventHelper.html?classFilter=EventHelper#add

// 点击事件
handler.setInputAction(function (click) {
    var pick = viewer.scene.pick(click.position)
    if (Cesium.defined(pick)) {
        console.log(pick.id.id, pick.id.name)
    }
}, Cesium.ScreenSpaceEventType.LEFT_CLICK)



// 滚动事件
handler.setInputAction(function(wheelment) {
    console.log(wheelment)
}, Cesium.ScreenSpaceEventType.WHEEL)



// 事件解除
handler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK)



// 相机移动结束事件
viewer.scene.camera.moveEnd.addEventListener(function(e) {
    //获取当前相机高度
    const height = Math.ceil(earth.camera.positionCartographic.height)
    console.log(e, height)
})



// onload
var helper = new Cesium.EventHelper()
const RemoveCallback = helper.add(viewer.scene.globe.tileLoadProgressEvent, function(event) {
    if (event == 0) {
        console.log('onload')
        // 删除事件监听
        RemoveCallback()
    }
})