@jscad/modeling
Version:
Constructive Solid Geometry (CSG) Library for JSCAD
13 lines (10 loc) • 448 B
JavaScript
const { NEPS } = require('../constants')
/**
* Compare two normals (unit vectors) for near equality.
* @param {vec3} a - normal a
* @param {vec3} b - normal b
* @returns {Boolean} true if a and b are nearly equal
* @alias module:modeling/maths/utils.aboutEqualNormals
*/
const aboutEqualNormals = (a, b) => (Math.abs(a[0] - b[0]) <= NEPS && Math.abs(a[1] - b[1]) <= NEPS && Math.abs(a[2] - b[2]) <= NEPS)
module.exports = aboutEqualNormals