@jscad/modeling
Version:
Constructive Solid Geometry (CSG) Library for JSCAD
42 lines (37 loc) • 1.02 kB
JavaScript
/**
* The resolution of space, currently one hundred nanometers.
* This should be 1 / EPS.
* @alias module:modeling/maths.spatialResolution
* @default
*/
const spatialResolution = 1e5
/**
* Epsilon used during determination of near zero distances.
* This should be 1 / spacialResolution.
* @default
* @alias module:modeling/maths.EPS
*/
const EPS = 1e-5
/**
* Smaller epsilon used for measuring near zero distances.
* @default
* @alias module:modeling/maths.NEPS
*/
const NEPS = 1e-13
// NEPS is derived from a series of tests to determine the optimal precision
// for comparing coplanar polygons, as provided by the sphere primitive at high
// segmentation. NEPS is for 64 bit Number values.
/**
* The TAU property represents the ratio of the circumference of a circle to its radius.
* Approximately 6.28318530717958647692
* @default
* @example
* const { TAU } = require('@jscad/modeling').maths.constants
*/
const TAU = Math.PI * 2
module.exports = {
EPS,
NEPS,
TAU,
spatialResolution
}