mirror of
https://github.com/toji/gl-matrix.git
synced 2025-12-08 18:26:23 +00:00
accefb6ddf
Also updated multiple NPM dependencies (most notably Typescript to v5) and rebased on main branch.
121 lines
3.3 KiB
HTML
121 lines
3.3 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>JSDoc: Source: common.js</title>
|
|
|
|
<script src="scripts/prettify/prettify.js"> </script>
|
|
<script src="scripts/prettify/lang-css.js"> </script>
|
|
<!--[if lt IE 9]>
|
|
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
|
|
<![endif]-->
|
|
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
|
|
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<div id="main">
|
|
|
|
<h1 class="page-title">Source: common.js</h1>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<section>
|
|
<article>
|
|
<pre class="prettyprint source linenums"><code>/**
|
|
* Common utilities
|
|
* @module glMatrix
|
|
*/
|
|
|
|
// Configuration Constants
|
|
export const EPSILON = 0.000001;
|
|
export let ARRAY_TYPE =
|
|
typeof Float32Array !== "undefined" ? Float32Array : Array;
|
|
export let RANDOM = Math.random;
|
|
export let ANGLE_ORDER = "zyx";
|
|
|
|
/**
|
|
* Symmetric round
|
|
* see https://www.npmjs.com/package/round-half-up-symmetric#user-content-detailed-background
|
|
*
|
|
* @param {Number} a value to round
|
|
*/
|
|
export function round(a) {
|
|
if (a >= 0)
|
|
return Math.round(a);
|
|
|
|
return (a % 0.5 === 0) ? Math.floor(a) : Math.round(a);
|
|
}
|
|
|
|
/**
|
|
* Sets the type of array used when creating new vectors and matrices
|
|
*
|
|
* @param {Float32ArrayConstructor | ArrayConstructor} type Array type, such as Float32Array or Array
|
|
*/
|
|
export function setMatrixArrayType(type) {
|
|
ARRAY_TYPE = type;
|
|
}
|
|
|
|
const degree = Math.PI / 180;
|
|
|
|
const radian = 180 / Math.PI;
|
|
|
|
/**
|
|
* Convert Degree To Radian
|
|
*
|
|
* @param {Number} a Angle in Degrees
|
|
*/
|
|
export function toRadian(a) {
|
|
return a * degree;
|
|
}
|
|
|
|
/**
|
|
* Convert Radian To Degree
|
|
*
|
|
* @param {Number} a Angle in Radians
|
|
*/
|
|
export function toDegree(a) {
|
|
return a * radian;
|
|
}
|
|
|
|
/**
|
|
* Tests whether or not the arguments have approximately the same value, within an absolute
|
|
* or relative tolerance of glMatrix.EPSILON (an absolute tolerance is used for values less
|
|
* than or equal to 1.0, and a relative tolerance is used for larger values)
|
|
*
|
|
* @param {Number} a The first number to test.
|
|
* @param {Number} b The second number to test.
|
|
* @param {Number} tolerance Absolute or relative tolerance (default glMatrix.EPSILON)
|
|
* @returns {Boolean} True if the numbers are approximately equal, false otherwise.
|
|
*/
|
|
export function equals(a, b, tolerance = EPSILON) {
|
|
return Math.abs(a - b) <= tolerance * Math.max(1, Math.abs(a), Math.abs(b));
|
|
}
|
|
</code></pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
<nav>
|
|
<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-glMatrix.html">glMatrix</a></li><li><a href="module-mat2.html">mat2</a></li><li><a href="module-mat2d.html">mat2d</a></li><li><a href="module-mat3.html">mat3</a></li><li><a href="module-mat4.html">mat4</a></li><li><a href="module-quat.html">quat</a></li><li><a href="module-quat2.html">quat2</a></li><li><a href="module-vec2.html">vec2</a></li><li><a href="module-vec3.html">vec3</a></li><li><a href="module-vec4.html">vec4</a></li></ul>
|
|
</nav>
|
|
|
|
<br class="clear">
|
|
|
|
<footer>
|
|
Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.7</a> on Fri Aug 08 2025 11:06:23 GMT-0700 (Pacific Daylight Time)
|
|
</footer>
|
|
|
|
<script> prettyPrint(); </script>
|
|
<script src="scripts/linenumber.js"> </script>
|
|
</body>
|
|
</html>
|