cesium楼栋分层

以下是一个示例的 Cesium 楼栋分层代码：

// 创建一个 Cesium 场景
var viewer = new Cesium.Viewer('cesiumContainer');

// 设置相机视角
viewer.camera.setView({
  destination: Cesium.Cartesian3.fromDegrees(114.07, 51.04, 1000.0),
  orientation: {
    heading: Cesium.Math.toRadians(0),
    pitch: Cesium.Math.toRadians(-45),
    roll: Cesium.Math.toRadians(0)
  }
});

// 加载楼栋模型
var buildingEntity = viewer.entities.add({
  name: 'Building',
  position: Cesium.Cartesian3.fromDegrees(114.07, 51.04),
  model: {
    uri: 'path/to/building.glb'
  }
});

// 创建分层标签
var floorLabels = [];

for (var i = 1; i <= 10; i++) {
  var floorLabel = viewer.entities.add({
    position: Cesium.Cartesian3.fromDegrees(114.07, 51.04),
    label: {
      text: 'Floor ' + i,
      fillColor: Cesium.Color.WHITE,
      outlineColor: Cesium.Color.BLACK,
      outlineWidth: 2,
      verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
      pixelOffset: new Cesium.Cartesian2(0, -20 * i)
    }
  });

  floorLabels.push(floorLabel);
}

// 根据楼层显示隐藏分层标签
function showFloorLabels(floor) {
  for (var i = 0; i < floorLabels.length; i++) {
    if (i < floor) {
      floorLabels[i].show = true;