update：添加雨的场景

src/examples/CodeMap.js

@@ -2,6 +2,7 @@ import vueCodePoint from '@/examples/point.vue?raw'
 import vueCodeLine from '@/examples/line.vue?raw'
 import vueCodePlane from '@/examples/plane.vue?raw'
 
+import vueCodeRain from '@/examples/rain.vue?raw'
 import vueCodeSnow from '@/examples/snow.vue?raw'
 
 const vueCodeMap = {
@@ -9,6 +10,7 @@ const vueCodeMap = {
     多线: vueCodeLine,
     多面: vueCodePlane,
 
+    雨: vueCodeRain,
     雪: vueCodeSnow
 }
 

src/examples/FunctionMap.js

@@ -2,6 +2,7 @@ import functionCodePoint from '@/examples/point-function.js?raw'
 import functionCodeLine from '@/examples/line-function.js?raw'
 import functionCodePlane from '@/examples/plane-function.js?raw'
 
+import functionCodeRain from '@/examples/rain-function.js?raw'
 import functionCodeSnow from '@/examples/snow-function.js?raw'
 
 const functionCodeMap = {
@@ -9,6 +10,7 @@ const functionCodeMap = {
     多线: functionCodeLine,
     多面: functionCodePlane,
 
+    雨: functionCodeRain,
     雪: functionCodeSnow
 }
 

src/examples/rain-function.js

+export function addRain() {
+    const script = document.createElement('script');
+    script.src = 'https://cesium.com/downloads/cesiumjs/releases/1.119/Build/Cesium/Cesium.js';
+    script.onload = () => {
+        window.Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3Njg4ZWU5Yi1iZDhiLTRhYmUtOTRiYS04YjM5NmUwNjVmMDMiLCJpZCI6MjI3MzQ3LCJpYXQiOjE3MjA1MjA4Mjh9.E5XW4LnwgfVAaBC-znaYr61m4yK0-j2qEQhi9qwFFPE'
+
+        const viewer = new window.Cesium.Viewer('cesiumContainer', {
+            infoBox: false,
+        });
+
+        viewer.scene.postProcessStages.add(new Cesium.PostProcessStage({
+            fragmentShader: `
+                uniform sampler2D colorTexture;
+                in vec2 v_textureCoordinates;
+                uniform float tiltAngle;
+                uniform float rainSize;
+                uniform float rainSpeed;
+                float hash(float x) {
+                    return fract(sin(x * 133.3) * 13.13);
+                }
+                out vec4 fragColor;
+                void main(void) {
+                    float time = czm_frameNumber / rainSpeed;
+                    vec2 resolution = czm_viewport.zw;
+                    vec2 uv = (gl_FragCoord.xy * 2. - resolution.xy) / min(resolution.x, resolution.y);
+                    vec3 c = vec3(.6, .7, .8);
+                    float a = tiltAngle;
+                    float si = sin(a), co = cos(a);
+                    uv *= mat2(co, -si, si, co);
+                    uv *= length(uv + vec2(0, 4.9)) * rainSize + 1.;
+                    float v = 1. - sin(hash(floor(uv.x * 100.)) * 2.);
+                    float b = clamp(abs(sin(20. * time * v + uv.y * (5. / (2. + v)))) - .95, 0., 1.) * 20.;
+                    c *= v * b;
+                    fragColor = mix(texture(colorTexture, v_textureCoordinates), vec4(c, 1), .5);
+                }
+                `,
+            uniforms: {
+                tiltAngle: -0.2, //倾斜角度
+                rainSize: 0.8, // 雨大小
+                rainSpeed: 200.0, // 雨速
+            },
+        }));
+    };
+    document.head.appendChild(script);
+
+    const link = document.createElement('link');
+    link.rel = 'stylesheet';
+    link.href = 'https://cesium.com/downloads/cesiumjs/releases/1.119/Build/Cesium/Widgets/widgets.css';
+    document.head.appendChild(link);
+}

src/examples/rain.vue

+<template>
+    <div id="cesiumContainer" class="cesium-container"></div>
+</template>
+<script setup>
+import { onMounted } from 'vue';
+import { addRain } from './function';
+onMounted(() => {
+    addRain()
+});
+</script>
+
+<style>
+.cesium-container {
+width: 100%;
+height: 100vh;
+}
+</style>
\ No newline at end of file

src/views/ElementMap.js

@@ -16,7 +16,7 @@ export const elementGraphicMap = {
 export const elementWeatherMap = {
     One: {
         title: '雨',
-        pngUrl: '/src/assets/Line.png'
+        pngUrl: '/src/assets/Rain.png'
     },
     Two: {
         title: '雪',