lygia/math/const.wgsl

lygia, it's a granular and multi-language shader library designed for performance and flexibility

/*
contributors: Patricio Gonzalez Vivo
description: some useful math constants
license:
    - Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
    - Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license
*/
const EIGHTH_PI: f32 = 0.39269908169;
const QTR_PI: f32 = 0.78539816339;
const HALF_PI: f32 = 1.5707963267948966192313216916398;
const PI: f32 = 3.1415926535897932384626433832795;
const TWO_PI: f32 = 6.2831853071795864769252867665590;
const TAU: f32 = 6.2831853071795864769252867665590;
const INV_PI: f32 = 0.31830988618379067153776752674503;
const INV_SQRT_TAU = 0.39894228040143267793994605993439;
const SQRT_HALF_PI: f32 = 1.25331413732;
const PHI: f32 = 1.618033988749894848204586834;
const EPSILON: f32 = 0.0000001;
const GOLDEN_RATIO: f32 = 1.6180339887;
const GOLDEN_RATIO_CONJUGATE: f32 = 0.61803398875;
const GOLDEN_ANGLE: f32 = 2.39996323;
// const DEG2RAD: f32 = PI / 180.0;
// const RAD2DEG: f32 = 180.0 / PI;