@polygonjs/plugin-mapbox/dist/src/core/mapbox/Constants.js

Mapbox plugin for the 3D engine https://polygonjs.com

const WORLD_SIZE = 512;
const MERCATOR_A = 6378137;
export const CoreMapboxConstants = {
  WORLD_SIZE,
  PROJECTION_WORLD_SIZE: WORLD_SIZE / (MERCATOR_A * Math.PI) / 2,
  MERCATOR_A,
  DEG2RAD: Math.PI / 180,
  RAD2DEG: 180 / Math.PI,
  EARTH_CIRCUMFERENCE: 40075e3
};