Arcgis 与 Pixi.js 可视化 glsl 特效篇（二）

let option = {
 renderer: {
 type: “simple”,
 symbol: {
 }
 },
 data: [
 {
 geometry: [12956152.73135875, 4855356.473704897],
 attributes: {
 name: “北京”
 }
 },
 {
 geometry: [12697872.012783196, 2577456.5937789795],
 attributes: {
 name: “深圳”
 }
 }
 ]
 };

let data = this.options.data;
 for(let item of data){
 //转换屏幕坐标，获取颜色，半径和线条粗细样式
 let geo = item.geometry
 let XY1 = toScreen(geo);
 const geometry = new PIXI.Geometry()
 .addAttribute(“position”, [100, 100, -100, 100, -100, -100, 100, -100, 200, 200], 2)
 .addAttribute(‘uv’, // the attribute name
 [0, 0, // u, v
 1, 0, // u, v
 1, 1,
 0, 1], // u, v
 2)
 .addIndex([0, 1, 2, 0, 2, 3]);
 const fragmentShader = `
 const float PI = 3.14159265359;
 uniform float iTime;
 uniform vec2 iResolution;
 varying vec2 vUv;
 float distanceTo(vec2 src, vec2 dst) {
 float dx = src.x - dst.x;
 float dy = src.y - dst.y;
 float dv = dx * dx + dy * dy;
 return sqrt(dv);
 }
 vec3 hsb2rgb( in vec3 c ){
 vec3 rgb = clamp(abs(mod(c.x*6.0+vec3(0.0,4.0,2.0),
 6.0)-3.0)-1.0,