我决定不从claygl基础来讲了 直接整合arcgis与claygl可视化来讲
关于整合clagyl 有兴趣看我这篇文章 arcgis 与 claygl 引擎结合做地图可视化
我整合一个类库 后续不断更新中
npm i @haibalai/gismap4-claygl
初始化gismap4-claygl 类库, view是arcgis的sceneView对象
import { ClayglMapManager} from “@haibalai/gismap4-claygl”;
ClayglMapManager.init(view);
添加特效
import { ClayglMapManager} from “@haibalai/gismap4-claygl”;
import * as clay from “claygl”;
const fragmentShader =`
// global remix - Del 30/10/2019
#ifdef GL_ES
precision highp float;
#endif
#extension GL_OES_standard_derivatives : enable
vec2 resolution = vec2(1.0,1.0);
uniform float time;
uniform vec2 mouse;
varying vec2 vUv;
floatsnow(vec2 uv,float scale)
{
float _t = time1.1;
uv.x+=_t/scale;
uv=scale;vec2 s=floor(uv),f=fract(uv),p;float k=40.,d;
p=.5+.35*sin(11.*fract(sin((s+p+scale)*mat2(7,3,6,5))5.))-f;d=length§;k=min(d,k);
k=smoothstep(0.,k,sin(f.x+f.y)0.003);
return k;
}
voidmain(void){
vec2 uv = (vUv -0.5) * 2.0 ;
//float dd = 1.0-length(uv);
uv.x += sin(time0.28);
uv.y += sin(uv.x1.4)0.2;
uv.x = 0.09;
float c=snow(uv,30.).3;
c+=snow(uv,20.).5;
Arcgis 与 Claygl 可视化 glsl 特效篇(三十八) - 小专栏