{"_id":"gl-quat","_rev":"392501","name":"gl-quat","description":"gl-matrix's quaternion, split into smaller pieces","dist-tags":{"latest":"1.0.0"},"maintainers":[{"name":"alvinsight","email":"alvin.ourrad@bbc.co.uk"},{"name":"mattdesl","email":"dave.des@gmail.com"},{"name":"rreusser","email":"rsreusser@gmail.com"}],"time":{"modified":"2021-08-04T03:59:09.000Z","created":"2015-05-14T15:35:48.335Z","1.0.0":"2015-05-14T15:35:48.335Z"},"users":{},"repository":{"type":"git","url":"git://github.com/stackgl/gl-quat.git"},"versions":{"1.0.0":{"name":"gl-quat","version":"1.0.0","description":"gl-matrix's quaternion, split into smaller pieces","main":"index.js","scripts":{"get-docs":"cat *.js | dox --api"},"dependencies":{"gl-mat3":"^1.0.0","gl-vec3":"^1.0.3","gl-vec4":"^1.0.0"},"devDependencies":{"dox":"git://github.com/hughsk/dox#api-context"},"repository":{"type":"git","url":"git://github.com/stackgl/gl-quat.git"},"license":{"type":"Zlib","url":"http://github.com/stackgl/gl-quat/blob/master/LICENSE.md"},"contributors":[{"name":"Brandon Jones","email":"tojiro@gmail.com"},{"name":"Colin MacKenzie IV","email":"sinisterchipmunk@gmail.com"}],"keywords":["ecosystem:stackgl","gl-matrix","matrix","math","gl","mat4","mat4x4","4x4","quat","quaternion","slerp","spherical interpolation","mat","vector","maths"],"homepage":"https://github.com/stackgl/gl-quat","bugs":{"url":"https://github.com/stackgl/gl-quat/issues"},"gitHead":"6d3b1574dd51b78a24dd504f2ab920d3945b0b4b","_id":"gl-quat@1.0.0","_shasum":"0945ec923386f45329be5dc357b1c8c2d47586c5","_from":".","_npmVersion":"2.1.18","_nodeVersion":"0.10.32","_npmUser":{"name":"mattdesl","email":"dave.des@gmail.com"},"dist":{"shasum":"0945ec923386f45329be5dc357b1c8c2d47586c5","size":5993,"noattachment":false,"key":"/gl-quat/-/gl-quat-1.0.0.tgz","tarball":"http://registry.cnpm.dingdandao.com/gl-quat/download/gl-quat-1.0.0.tgz"},"maintainers":[{"name":"alvinsight","email":"alvin.ourrad@bbc.co.uk"},{"name":"mattdesl","email":"dave.des@gmail.com"},{"name":"rreusser","email":"rsreusser@gmail.com"}],"directories":{},"publish_time":1431617748335,"_cnpm_publish_time":1431617748335,"_hasShrinkwrap":false}},"readme":"# gl-quat\n\n[![stable](http://badges.github.io/stability-badges/dist/stable.svg)](http://github.com/badges/stability-badges)\n\nPart of a fork of [@toji](http://github.com/toji)'s\n[gl-matrix](http://github.com/toji/gl-matrix) split into smaller pieces: this\npackage contains `glMatrix.quat`.\n\n## Usage\n\n[![NPM](https://nodei.co/npm/gl-quat.png)](https://nodei.co/npm/gl-quat/)\n\n### `quat = require('gl-quat')`\n\nWill load all of the module's functionality and expose it on a single\nobject. Note that any of the methods may also be required directly\nfrom their files.\n\nFor example, the following are equivalent:\n\n``` javascript\nvar slerp = require('gl-quat').slerp\nvar slerp = require('gl-quat/slerp')\n```\n\n## API\n\n  - [add()](#addoutquat-aquat-bquat)\n  - [calculateW()](#calculatewoutquat-aquat)\n  - [copy()](#copyoutquat-aquat)\n  - [conjugate()](#conjugateoutquat-aquat)\n  - [copy()](#copyoutquat-aquat)\n  - [create()](#create)\n  - [dot()](#dotaquat-bquat)\n  - [fromMat3()](#frommat3outquat-mmat3)\n  - [fromValues()](#fromvaluesxnumber-ynumber-znumber-wnumber)\n  - [identity()](#identityoutquat)\n  - [invert()](#invertoutquat-aquat)\n  - [length()](#lengthaquat)\n  - [lerp()](#lerpoutquat-aquat-bquat-tnumber)\n  - [multiply()](#multiplyoutquat-aquat-bquat)\n  - [normalize()](#normalizeoutquat-aquat)\n  - [rotateX()](#rotatexoutquat-aquat-radnumber)\n  - [rotateY()](#rotateyoutquat-aquat-radnumber)\n  - [rotateZ()](#rotatezoutquat-aquat-radnumber)\n  - [rotationTo()](#rotationtooutquat-avec3-bvec3)\n  - [scale()](#scaleoutquat-aquat-bnumber)\n  - [set()](#setoutquat-xnumber-ynumber-znumber-wnumber)\n  - [setAxes()](#setaxesviewvec3-rightvec3-upvec3)\n  - [setAxisAngle()](#setaxisangleoutquat-axisvec3-radnumber)\n  - [slerp()](#slerpoutquat-aquat-bquat-tnumber)\n  - [sqlerp()](#sqlerpoutquat-aquat-bquat-cquat-dquat-tnumber)\n  - [squaredLength()](#squaredlengthaquat)\n\n## calculateW(out:quat, a:quat)\n\n  Calculates the W component of a quat from the X, Y, and Z components.\n  Assumes that quaternion is 1 unit in length.\n  Any existing W component will be ignored.\n\n## add(out:quat, a:quat, b:quat)\n\n  Adds two quat's\n\n## conjugate(out:quat, a:quat)\n\n  Calculates the conjugate of a quat\n  If the quaternion is normalized, this function is faster than quat.inverse and produces the same result.\n\n## copy(out:quat, a:quat)\n\n  Copy the values from one quat to another\n\n## create()\n\n  Creates a new identity quat\n\n## dot(a:quat, b:quat)\n\n  Calculates the dot product of two quat's\n\n## fromMat3(out:quat, m:mat3)\n\n  Creates a quaternion from the given 3x3 rotation matrix.\n  \n  NOTE: The resultant quaternion is not normalized, so you should be sure\n  to renormalize the quaternion yourself where necessary.\n\n## fromValues(x:Number, y:Number, z:Number, w:Number)\n\n\n## identity(out:quat)\n\n  Set a quat to the identity quaternion\n\n## invert(out:quat, a:quat)\n\n  Calculates the inverse of a quat\n\n## length(a:quat)\n\n  Calculates the length of a quat\n\n## lerp(out:quat, a:quat, b:quat, t:Number)\n\n  Performs a linear interpolation between two quat's\n\n## multiply(out:quat, a:quat, b:quat)\n\n  Multiplies two quat's\n\n## normalize(out:quat, a:quat)\n\n  Normalize a quat\n\n## rotateX(out:quat, a:quat, rad:number)\n\n  Rotates a quaternion by the given angle about the X axis\n\n## rotateY(out:quat, a:quat, rad:number)\n\n  Rotates a quaternion by the given angle about the Y axis\n\n## rotateZ(out:quat, a:quat, rad:number)\n\n  Rotates a quaternion by the given angle about the Z axis\n\n## rotationTo(out:quat, a:vec3, b:vec3)\n\n  Sets a quaternion to represent the shortest rotation from one\n  vector to another.\n  \n  Both vectors are assumed to be unit length.\n\n## scale(out:quat, a:quat, b:Number)\n\n  Scales a quat by a scalar number\n\n## set(out:quat, x:Number, y:Number, z:Number, w:Number)\n\n  Set the components of a quat to the given values\n\n## setAxes(view:vec3, right:vec3, up:vec3)\n\n  Sets the specified quaternion with values corresponding to the given\n  axes. Each axis is a vec3 and is expected to be unit length and\n  perpendicular to all other specified axes.\n\n## setAxisAngle(out:quat, axis:vec3, rad:Number)\n\n  Sets a quat from the given angle and rotation axis,\n  then returns it.\n\n## slerp(out:quat, a:quat, b:quat, t:Number)\n\n  Performs a spherical linear interpolation between two quat\n\n## sqlerp(out:quat, a:quat, b:quat, c:quat, d:quat, t:Number)\n\n  Performs a spherical linear interpolation with two control points\n\n## squaredLength(a:quat)\n\n  Calculates the squared length of a quat\n\n## License\n\nMIT. See [LICENSE.md](http://github.com/stackgl/gl-quat/blob/master/LICENSE.md) for details.\n","_attachments":{},"homepage":"https://github.com/stackgl/gl-quat","bugs":{"url":"https://github.com/stackgl/gl-quat/issues"},"license":{"type":"Zlib","url":"http://github.com/stackgl/gl-quat/blob/master/LICENSE.md"}}