前言
缺少前置学习使用资料，请自行查阅：[/weixin_44402694/article/details/123110136](/weixin_44402694/article/details/123110136)以下示例使用到的公共静态资料，不建议下载，建议官网自行下载超图Build资源，示例所涉及图片会在示例使用到时提供出来。如有需要可下载：[/download/weixin_44402694/82180350](/download/weixin_44402694/82180350)。特效-雨景设置。
使用
效果
完整代码
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>特效 - 雨</title><link href="./public/Build/Cesium/Widgets/widgets.css" rel="stylesheet" /><scripttype="text/javascript"src="./public/Build/Cesium/Cesium.js"></script><style>* {margin: 0;padding: 0;}html,body,#cesium-container {width: 100%;height: 100%;}.panel {position: fixed;left: 10px;top: 10px;z-index: 1;background-color: #fff;padding: 10px;}.panel .btn {cursor: pointer;display: none;}.panel .check {cursor: pointer;}</style></head><body><div id="cesium-container" /><div class="panel"><p class="check">开启雨景 <input type="checkbox" /></p></div><script>let viewer, scenewindow.onload = function () {viewer = new Cesium.Viewer('cesium-container', {sceneModePicker: true,navigation: false,})scene = viewer.scenescene.camera.flyTo({destination: new Cesium.Cartesian3(-2179825.7788852383,4380581.427298224,4091538.107446992),orientation: {heading: 0.005352643897039933,pitch: -0.03880119222393663,roll: 6.2831853071795845,},})initBindDrawEventHandler()}// 初始化绑定按钮的绘制事件function initBindDrawEventHandler() {const check = document.querySelector('.check input')check.addEventListener('change', () => {viewer.scene.postProcessStages.rain.enabled = check.checkedviewer.scene.postProcessStages.rain.uniforms.density = 30 // 雨水密度viewer.scene.postProcessStages.rain.uniforms.angle = 0 // 雨水下落角度viewer.scene.postProcessStages.rain.uniforms.speed = 8 // 雨水下落速度})}</script></body></html>
