| /* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| THE SOFTWARE. */ |
| |
| /** |
| * @class Common utilities |
| * @name glMatrix |
| */ |
| var glMatrix = {}; |
| |
| // Constants |
| glMatrix.EPSILON = 0.000001; |
| glMatrix.ARRAY_TYPE = (typeof Float32Array !== 'undefined') ? Float32Array : Array; |
| glMatrix.RANDOM = Math.random; |
| |
| /** |
| * Sets the type of array used when creating new vectors and matrices |
| * |
| * @param {Type} type Array type, such as Float32Array or Array |
| */ |
| glMatrix.setMatrixArrayType = function(type) { |
| GLMAT_ARRAY_TYPE = type; |
| } |
| |
| var degree = Math.PI / 180; |
| |
| /** |
| * Convert Degree To Radian |
| * |
| * @param {Number} Angle in Degrees |
| */ |
| glMatrix.toRadian = function(a){ |
| return a * degree; |
| } |
| |
| module.exports = glMatrix; |