Cesium 与 Babylon.js 可视化 glsl 特效篇（四十一）
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 =`
- precision highp float;
- precision mediump float;
- uniform float battery;
- uniform float time;
- vec2 resolution = vec2(1.0,1.0);
- varying vec2 vUv;
- voidmain(void){
- vec2 uv = (vUv -0.5) * 2.0 ;
- vec2 cen = vec2(0.5,0.2);
- float circle = distance(uv,cen);
- float outCir = step(circle,0.25);
- float inCir = step(circle,.18);
- float t1 = time * 3.0;
- vec2 v0 = vec2(cos(t1),sin(t1));
- vec2 v00 = vec2(cos(t1 - 1.57), sin(t1 - 1.57));
- vec2 v1 = normalize(uv - cen);
- float line = ceil(dot(v00,v1));
- float fade = (dot(v0,v1) + 1.0) / 2.0;
