@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
13 lines (12 loc) • 315 B
JavaScript
;
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,
// 900913 projection property
DEG2RAD: Math.PI / 180,
RAD2DEG: 180 / Math.PI,
EARTH_CIRCUMFERENCE: 40075e3
};