Cesium 与 Babylon.js 可视化 glsl 特效篇（三十四）

我决定不从Babylonjs 基础来讲了 直接整合cesium与babylonjs可视化来讲

我整合一个类库 后续不断更新中

npm i @haibalai/cesium-babylonjs

初始化cesium -babylonjs 类库， map 是cesium 的viewer对象

import { BabylonMapManager } from “@haibalai/cesium-babylonjs”;
BabylonMapManager.init(map);

添加特效

import { BabylonMapManager } from “@haibalai/cesium-babylonjs”;
 const fragmentShader = `
 uniform float iTime;
 vec2 resolution = vec2(1.0,1.0);
 uniform float zoom;
 varying vec2 vUv;
 #define PI 3.14
 mat2 rotate3d(float angle)
 {
 return mat2(cos(angle), -sin(angle), sin(angle), cos(angle));
 }
 float f=0.005+sin(iTime);
 voidmain()
 {
 vec2 p = (vUv -0.5) * 2.0 ;
 p.x = resolution.x / resolution.y;
 p = rotate3d((iTime * min(2.0iTime,iTime*20.0)) * PI) * p;
 float t;
 t = 0.045 / abs(0.8 - length§);
 t += 0.035 / abs(1.0 - length(p-vec2(0.05,0.0)));