颜色材质（ColorMaterialProperty）

展开代码

<template>
  <div ref="cesiumContainer" class="container"></div>
</template>

<script setup>
import { ref, onMounted } from "vue";
import * as Cesium from "cesium";
const cesiumContainer = ref(null);
let viewer = null;

// 天地图TOKEN
const token = "05be06461004055923091de7f3e51aa6";

onMounted(async () => {
  // 初始化Viewer
  viewer = new Cesium.Viewer(cesiumContainer.value, {
    geocoder: false, // 关闭地理编码搜索
    homeButton: false, // 关闭主页按钮
    sceneModePicker: false, // 关闭场景模式选择器
    baseLayerPicker: false, // 关闭底图选择器
    navigationHelpButton: false, // 关闭导航帮助
    animation: false, // 关闭动画控件
    timeline: false, // 关闭时间轴
    fullscreenButton: false, // 关闭全屏按钮
    baseLayer: false, // 关闭默认地图
  });
  // 清空logo
  viewer.cesiumWidget.creditContainer.style.display = "none";
  initMap();

  // 开启动画
  viewer.clock.shouldAnimate = true;

  // 创建动态颜色材质
  const dynamicColorMaterial = new Cesium.ColorMaterialProperty(
    new Cesium.CallbackProperty(() => {
      // 基于时间生成动态闪烁效果
      const time = viewer.clock.currentTime.secondsOfDay;
      const alpha = 0.5 + 0.5 * Math.sin(time * 2);
      return Cesium.Color.RED.withAlpha(alpha);
    }, false) // 启用自动更新
  );

  // 应用到多边形
  const polygonEntity = viewer.entities.add({
    polygon: {
      hierarchy: Cesium.Cartesian3.fromDegreesArray([
        116.3975, 39.9075, 116.4075, 39.9075, 116.4075, 39.9175, 116.3975,
        39.9175,
      ]),
      outline: true,
      outlineColor: Cesium.Color.WHITE,
      outlineWidth: 2,
      material: dynamicColorMaterial,
    },
  });
  // 缩放到多边形
  viewer.zoomTo(polygonEntity);
});

// 加载天地图
const initMap = () => {
  // 以下为天地图及天地图标注加载
  const tiandituProvider = new Cesium.WebMapTileServiceImageryProvider({
    url:
      "http://{s}.tianditu.gov.cn/img_w/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=img&tileMatrixSet=w&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}&style=default&format=tiles&tk=" +
      token,
    layer: "img",
    style: "default",
    format: "tiles",
    tileMatrixSetID: "w",
    subdomains: ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"], // 子域名
    maximumLevel: 18,
    credit: new Cesium.Credit("天地图影像"),
  });
  // 天地图影像添加到viewer实例的影像图层集合中
  viewer.imageryLayers.addImageryProvider(tiandituProvider);
};
</script>
<style scoped>
.container {
  width: 100vw;
  height: 100vh;
}
</style>