我决定不从Babylonjs 基础来讲了 直接整合mapbox与babylonjs可视化来讲
我整合一个类库 后续不断更新中
npm i @haibalai/mapbox-babylonjs
初始化mapbox-babylonjs 类库, map 是mapbox.gl 的map 对象
import { BabylonMapManager } from “@haibalai/mapbox-babylonjs”;
BabylonMapManager.init(map);
添加特效
import { BabylonMapManager } from “@haibalai/mapbox-babylonjs”;
const fragmentShader =
`
// arxeon was here
#ifdef GL_ES
precision mediump float;
#endif
uniform float time;
vec2 resolution = vec2(1.0,1.0);
varying vec2 vUv;
#define PI 3.14159265358979
vec3 color = 0.3 * vec3(0.03125, 0.4523560209, 0.703703703);
floatd2y(float d) {
return 1. / (0.2 + d);
}
float radius = 0.4;
floatfct(vec2 p, float r) {
float a = 3. * mod(atan(p.y, p.x) + time, 2. * PI);
float scan = 0. * 1.;
return (d2y(a) + scan) * (1. - step(radius, r));
}
Mapbox 与 Babylon.js 可视化 glsl 特效篇(四十七) - 小专栏