diff --git a/js/angular/service/animation.js b/js/angular/service/animation.js
deleted file mode 100644
index f8f0c558c9..0000000000
--- a/js/angular/service/animation.js
+++ /dev/null
@@ -1,61 +0,0 @@
-
-/**
- * @ngdoc service
- * @name $ionicAnimation
- * @module ionic
- * @description
- *
- * A powerful animation and transition system for Ionic apps.
- *
- * @usage
- *
- * ```js
- * angular.module('mySuperApp', ['ionic'])
- * .controller(function($scope, $ionicAnimation) {
- * var anim = $ionicAnimate({
- * // A unique, reusable name
- * name: 'popIn',
- *
- * // The duration of an auto playthrough
- * duration: 0.5,
- *
- * // How long to wait before running the animation
- * delay: 0,
- *
- * // Whether to reverse after doing one run through
- * autoReverse: false,
- *
- * // How many times to repeat? -1 or null for infinite
- * repeat: -1,
- *
- * // Timing curve to use (same as CSS timing functions), or a function of time "t" to handle it yourself
- * curve: 'ease-in-out'
- *
- * onStart: function() {
- * // Callback on start
- * },
- * onEnd: function() {
- * // Callback on end
- * },
- * step: function(amt) {
- *
- * }
- * })
- * });
- * ```
- *
- */
-IonicModule
-.provider('$ionicAnimation', function() {
- var useSlowAnimations = false;
- this.setSlowAnimations = function(isSlow) {
- useSlowAnimations = isSlow;
- };
-
- this.$get = [function() {
- return function(opts) {
- opts.useSlowAnimations = useSlowAnimations;
- return ionic.Animation.create(opts);
- };
- }];
-});
diff --git a/js/animation/animation.js b/js/animation/animation.js
deleted file mode 100644
index 714c76ca54..0000000000
--- a/js/animation/animation.js
+++ /dev/null
@@ -1,325 +0,0 @@
-(function(window) {
- var time = Date.now || function() {
- return +new Date();
- };
- var desiredFrames = 60;
- var millisecondsPerSecond = 1000;
- var running = {};
- var counter = 1;
-
- // Namespace
- ionic.Animation = {};
-
- /**
- * The main animation system manager. Treated as a singleton.
- */
- ionic.Animation = {
- create: function(opts) {
- return new ionic.Animation.Animation(opts);
- },
-
- animationStarted: function(instance) {
- var id = counter++;
-
- // Compacting running db automatically every few new animations
- if (id % 20 === 0) {
- var newRunning = {};
- for (var usedId in running) {
- newRunning[usedId] = true;
- }
- running = newRunning;
- }
-
- // Mark as running
- running[id] = true;
-
- instance.isRunning = true;
- instance._animationId = id;
-
- // Return unique animation ID
- return id;
- },
-
- animationStopped: function(instance) {
- instance.isRunning = false;
- }
-
- /* TODO: Move animation set management here instead of instance
- anims: [],
- add: function(animation) {
- this.anims.push(animation);
- },
- remove: function(animation) {
- var i, j;
- for(i = 0, j = this.anims.length; i < j; i++) {
- if(this.anims[i] === animation) {
- return this.anims.splice(i, 1);
- }
- }
- },
- clear: function(shouldStop) {
- while(this.anims.length) {
- var anim = this.anims.pop();
- if(shouldStop === true) {
- anim.stop();
- }
- }
- },
- */
-
- /**
- * Stops the given animation.
- *
- * @param id {Integer} Unique animation ID
- * @return {Boolean} Whether the animation was stopped (aka, was running before)
- * TODO: Requires above fix
- stop: function(id) {
- var cleared = running[id] != null;
- if (cleared) {
- running[id] = null;
- }
-
- return cleared;
- },
- */
-
-
- /**
- * Whether the given animation is still running.
- *
- * @param id {Integer} Unique animation ID
- * @return {Boolean} Whether the animation is still running
- isRunning: function(id) {
- return running[id] != null;
- },
- */
-
- };
-
- /**
- * Animation instance
- */
- ionic.Animation.Animation = function(opts) {
- ionic.extend(this, opts);
-
- if(opts.useSlowAnimations) {
- console.warn('Running animation', opts.name, 'with SLOW animations (duration and delay increased by 3x)');
- this.delay *= 3;
- this.duration *= 3;
- }
- };
-
- ionic.Animation.Animation.prototype = {
- el: null,
- curve: 'linear',
- duration: 500,
- delay: 0,
- repeat: -1,
- reverse: false,
- autoReverse: false,
-
- step: function(percent) {},
-
- stop: function() {
- this.isRunning = false;
- this.shouldEnd = true;
- },
- play: function() {
- this.isPaused = false;
- this.start();
- },
- pause: function() {
- this.isPaused = true;
- },
- _saveState: function(percent, iteration, reverse) {
- this._pauseState = {
- percent: percent,
- iteration: iteration,
- reverse: reverse
- };
- },
- restart: function() {
- },
-
- start: function() {
- var self = this;
-
- var tf;
-
- console.log('Starting animation', this);
-
-
- // Grab the timing function
- if(typeof this.curve === 'string') {
- tf = ionic.Animation.TimingFn[this.curve] || ionic.Animation.TimingFn.linear;
- } else {
- tf = this.curve;
- }
-
- // Get back a timing function for the given duration (used for precision)
- tf = tf(this.duration);
-
- // Set up the initial animation state
- var animState = {
- startPercent: this.reverse === true ? 1 : 0,
- endPercent: this.reverse === true ? 0 : 1,
- duration: this.duration,
- easingMethod: tf,
- delay: this.delay,
- reverse: this.reverse,
- repeat: this.repeat,
- autoReverse: this.autoReverse
- };
-
-
- if(this._pauseState) {
- // We were paused, so update the fields
- ionic.extend(animState, this._pauseState);
- this._pauseState = null;
- }
-
- ionic.Animation.animationStarted(this);
-
- return this._run(function(percent, now, render) {
- if(render) {
- self.step(percent);
- }
- }, function(droppedFrames, finishedAnimation) {
- ionic.Animation.animationStopped(self);
- console.log('Finished anim:', droppedFrames, finishedAnimation);
- }, animState);
- },
-
- /**
- * Start the animation.
- *
- * @param stepCallback {Function} Pointer to function which is executed on every step.
- * Signature of the method should be `function(percent, now, virtual) { return continueWithAnimation; }`
- * @param completedCallback {Function}
- * Signature of the method should be `function(droppedFrames, finishedAnimation) {}`
- * @param duration {Integer} Milliseconds to run the animation
- * @param easingMethod {Function} Pointer to easing function
- * Signature of the method should be `function(percent) { return modifiedValue; }`
- * @return {Integer} Identifier of animation. Can be used to stop it any time.
- */
- _run: function(stepCallback, completedCallback, state) {
-
- var self = this;
- var start = time();
- var lastFrame = start;
- var startTime = start + state.delay;
- var percent = state.startPercent;
- var startPercent = state.startPercent;
- var endPercent = state.endPercent;
- var autoReverse = state.autoReverse;
- var delay = state.delay;
- var duration = state.duration;
- var easingMethod = state.easingMethod;
- var repeat = state.repeat;
- var reverse = state.reverse;
-
- var dropCounter = 0;
- var iteration = 0;
-
- var perhapsAutoreverse = function() {
- // Check if we hit the end and should auto reverse
- if(percent === endPercent && autoReverse) {
- // Flip the start and end values
- var sp = endPercent;
- reverse = !reverse;
- endPercent = startPercent;
- startPercent = sp;
-
- if(repeat === 0) {
- autoReverse = false;
- }
- } else {
- // Otherwise, just start over
- percent = startPercent;
- }
- // Start fresh either way
- start = time();
- ionic.requestAnimationFrame(step);
- };
-
-
- // This is the internal step method which is called every few milliseconds
- var step = function(virtual) {
-
- // Normalize virtual value
- var render = virtual !== true;
-
- // Get current time
- var now = time();
- var diff = now - start;
-
- // Verification is executed before next animation step
- if(self.isPaused) {
- self._saveState(percent, iteration, reverse);
- return;
- }
-
- if (!self.isRunning) {// || (verifyCallback && !verifyCallback(id))) {
-
- completedCallback && completedCallback(desiredFrames - (dropCounter / ((now - start) / millisecondsPerSecond)), self._animationId, false);
- return;
-
- }
-
-
- // For the current rendering to apply let's update omitted steps in memory.
- // This is important to bring internal state variables up-to-date with progress in time.
- if (render) {
-
- var droppedFrames = Math.round((now - lastFrame) / (millisecondsPerSecond / desiredFrames)) - 1;
- for (var j = 0; j < Math.min(droppedFrames, 4); j++) {
- step(true);
- dropCounter++;
- }
-
- }
-
- // Compute percent value
- if (diff > delay && duration) {
- percent = (diff - delay) / duration;
- if(reverse === true) {
- percent = 1 - percent;
- if (percent < 0) {
- percent = 0;
- }
- } else {
- if (percent > 1) {
- percent = 1;
- }
- }
- }
-
- // Execute step callback, then...
- var value = easingMethod ? easingMethod(percent) : percent;
- if ((stepCallback(value, now, render) === false || percent === endPercent) && render) {
- if(repeat === -1) {
- perhapsAutoreverse();
- } else if(iteration < repeat) {
- // Track iterations
- iteration++;
- perhapsAutoreverse();
- } else if(repeat === 0 && autoReverse) {
- perhapsAutoreverse();
- } else {
- completedCallback && completedCallback(desiredFrames - (dropCounter / ((now - start) / millisecondsPerSecond)), self._animationId, percent === endPercent || duration === null);
- }
- } else if (render) {
- lastFrame = now;
- ionic.requestAnimationFrame(step);
- }
- };
-
-
- // Init first step
- ionic.requestAnimationFrame(step);
-
- }
- };
-
-
-})(window);
diff --git a/js/animation/bezier.js b/js/animation/bezier.js
deleted file mode 100644
index 4f95fbaeca..0000000000
--- a/js/animation/bezier.js
+++ /dev/null
@@ -1,429 +0,0 @@
-/*
- * Copyright (C) 2008 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-(function(ionic) {
-
- var bezierCoord = function (x,y) {
- if(!x) x=0;
- if(!y) y=0;
- return {x: x, y: y};
- };
-
- function B1(t) { return t*t*t; }
- function B2(t) { return 3*t*t*(1-t); }
- function B3(t) { return 3*t*(1-t)*(1-t); }
- function B4(t) { return (1-t)*(1-t)*(1-t); }
-
- ionic.Animation = ionic.Animation || {};
-
-
- /**
- * JavaScript port of Webkit implementation of CSS cubic-bezier(p1x.p1y,p2x,p2y) by http://mck.me
- * http://svn.webkit.org/repository/webkit/trunk/Source/WebCore/platform/graphics/UnitBezier.h
- */
- ionic.Animation.Bezier = (function(){
- 'use strict';
-
- /**
- * Duration value to use when one is not specified (400ms is a common value).
- * @const
- * @type {number}
- */
- var DEFAULT_DURATION = 400;//ms
-
- /**
- * The epsilon value we pass to UnitBezier::solve given that the animation is going to run over |dur| seconds.
- * The longer the animation, the more precision we need in the timing function result to avoid ugly discontinuities.
- * http://svn.webkit.org/repository/webkit/trunk/Source/WebCore/page/animation/AnimationBase.cpp
- */
- var solveEpsilon = function(duration) {
- return 1.0 / (200.0 * duration);
- };
-
- /**
- * Defines a cubic-bezier curve given the middle two control points.
- * NOTE: first and last control points are implicitly (0,0) and (1,1).
- * @param p1x {number} X component of control point 1
- * @param p1y {number} Y component of control point 1
- * @param p2x {number} X component of control point 2
- * @param p2y {number} Y component of control point 2
- */
- var unitBezier = function(p1x, p1y, p2x, p2y) {
-
- // private members --------------------------------------------
-
- // Calculate the polynomial coefficients, implicit first and last control points are (0,0) and (1,1).
-
- /**
- * X component of Bezier coefficient C
- * @const
- * @type {number}
- */
- var cx = 3.0 * p1x;
-
- /**
- * X component of Bezier coefficient B
- * @const
- * @type {number}
- */
- var bx = 3.0 * (p2x - p1x) - cx;
-
- /**
- * X component of Bezier coefficient A
- * @const
- * @type {number}
- */
- var ax = 1.0 - cx -bx;
-
- /**
- * Y component of Bezier coefficient C
- * @const
- * @type {number}
- */
- var cy = 3.0 * p1y;
-
- /**
- * Y component of Bezier coefficient B
- * @const
- * @type {number}
- */
- var by = 3.0 * (p2y - p1y) - cy;
-
- /**
- * Y component of Bezier coefficient A
- * @const
- * @type {number}
- */
- var ay = 1.0 - cy - by;
-
- /**
- * @param t {number} parametric timing value
- * @return {number}
- */
- var sampleCurveX = function(t) {
- // `ax t^3 + bx t^2 + cx t' expanded using Horner's rule.
- return ((ax * t + bx) * t + cx) * t;
- };
-
- /**
- * @param t {number} parametric timing value
- * @return {number}
- */
- var sampleCurveY = function(t) {
- return ((ay * t + by) * t + cy) * t;
- };
-
- /**
- * @param t {number} parametric timing value
- * @return {number}
- */
- var sampleCurveDerivativeX = function(t) {
- return (3.0 * ax * t + 2.0 * bx) * t + cx;
- };
-
- /**
- * Given an x value, find a parametric value it came from.
- * @param x {number} value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param epsilon {number} accuracy limit of t for the given x
- * @return {number} the t value corresponding to x
- */
- var solveCurveX = function(x, epsilon) {
- var t0;
- var t1;
- var t2;
- var x2;
- var d2;
- var i;
-
- // First try a few iterations of Newton's method -- normally very fast.
- for (t2 = x, i = 0; i < 8; i++) {
- x2 = sampleCurveX(t2) - x;
- if (Math.abs (x2) < epsilon) {
- return t2;
- }
- d2 = sampleCurveDerivativeX(t2);
- if (Math.abs(d2) < 1e-6) {
- break;
- }
- t2 = t2 - x2 / d2;
- }
-
- // Fall back to the bisection method for reliability.
- t0 = 0.0;
- t1 = 1.0;
- t2 = x;
-
- if (t2 < t0) {
- return t0;
- }
- if (t2 > t1) {
- return t1;
- }
-
- while (t0 < t1) {
- x2 = sampleCurveX(t2);
- if (Math.abs(x2 - x) < epsilon) {
- return t2;
- }
- if (x > x2) {
- t0 = t2;
- } else {
- t1 = t2;
- }
- t2 = (t1 - t0) * 0.5 + t0;
- }
-
- // Failure.
- return t2;
- };
-
- /**
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param epsilon {number} the accuracy of t for the given x
- * @return {number} the y value along the bezier curve
- */
- var solve = function(x, epsilon) {
- return sampleCurveY(solveCurveX(x, epsilon));
- };
-
- // public interface --------------------------------------------
-
- /**
- * Find the y of the cubic-bezier for a given x with accuracy determined by the animation duration.
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param duration {number} the duration of the animation in milliseconds
- * @return {number} the y value along the bezier curve
- */
- return function(x, duration) {
- return solve(x, solveEpsilon(+duration || DEFAULT_DURATION));
- };
- };
-
- // http://www.w3.org/TR/css3-transitions/#transition-timing-function
- return {
- /**
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param duration {number} the duration of the animation in milliseconds
- * @return {number} the y value along the bezier curve
- */
- linear: unitBezier(0.0, 0.0, 1.0, 1.0),
-
- /**
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param duration {number} the duration of the animation in milliseconds
- * @return {number} the y value along the bezier curve
- */
- ease: unitBezier(0.25, 0.1, 0.25, 1.0),
-
- /**
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param duration {number} the duration of the animation in milliseconds
- * @return {number} the y value along the bezier curve
- */
- easeIn: unitBezier(0.42, 0, 1.0, 1.0),
-
- /**
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param duration {number} the duration of the animation in milliseconds
- * @return {number} the y value along the bezier curve
- */
- easeOut: unitBezier(0, 0, 0.58, 1.0),
-
- /**
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param duration {number} the duration of the animation in milliseconds
- * @return {number} the y value along the bezier curve
- */
- easeInOut: unitBezier(0.42, 0, 0.58, 1.0),
-
- /**
- * @param p1x {number} X component of control point 1
- * @param p1y {number} Y component of control point 1
- * @param p2x {number} X component of control point 2
- * @param p2y {number} Y component of control point 2
- * @param x {number} the value of x along the bezier curve, 0.0 <= x <= 1.0
- * @param duration {number} the duration of the animation in milliseconds
- * @return {number} the y value along the bezier curve
- */
- cubicBezier: function(p1x, p1y, p2x, p2y, x, duration) {
- return unitBezier(p1x, p1y, p2x, p2y)(x, duration);
- }
- };
- })();
-
-/**
- * Various fast approximations and alternates to cubic-bezier easing functions.
- * http://www.w3.org/TR/css3-transitions/#transition-timing-function
- */
-var Easing = (function(){
- 'use strict';
-
- /**
- * @const
- */
- var EASE_IN_OUT_CONST = 0.5 * Math.pow(0.5, 1.925);
-
- return {
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- linear: function(x) {
- return x;
- },
-
-// /**
-// * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
-// * @return {number} the y value along the curve
-// */
-// ease: function(x) {
-// // TODO: find fast approximations
-// return x;
-// },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInApprox: function(x) {
- // very close approximation to cubic-bezier(0.42, 0, 1.0, 1.0)
- return Math.pow(x, 1.685);
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInQuadratic: function(x) {
- return (x * x);
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInCubic: function(x) {
- return (x * x * x);
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeOutApprox: function(x) {
- // very close approximation to cubic-bezier(0, 0, 0.58, 1.0)
- return 1 - Math.pow(1-x, 1.685);
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeOutQuadratic: function(x) {
- x -= 1;
- return 1 - (x * x);
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeOutCubic: function(x) {
- x -= 1;
- return 1 + (x * x * x);
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInOutApprox: function(x) {
- // very close approximation to cubic-bezier(0.42, 0, 0.58, 1.0)
- if (x < 0.5) {
- return EASE_IN_OUT_CONST * Math.pow(x, 1.925);
-
- } else {
- return 1 - EASE_IN_OUT_CONST * Math.pow(1-x, 1.925);
- }
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInOutQuadratic: function(x) {
- if (x < 0.5) {
- return (2 * x * x);
-
- } else {
- x -= 1;
- return 1 - (2 * x * x);
- }
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInOutCubic: function(x) {
- if (x < 0.5) {
- return (4 * x * x * x);
-
- } else {
- x -= 1;
- return 1 + (4 * x * x * x);
- }
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInOutQuartic: function(x) {
- if (x < 0.5) {
- return (8 * x * x * x * x);
-
- } else {
- x -= 1;
- return 1 + (8 * x * x * x * x);
- }
- },
-
- /**
- * @param x {number} the value of x along the curve, 0.0 <= x <= 1.0
- * @return {number} the y value along the curve
- */
- easeInOutQuintic: function(x) {
- if (x < 0.5) {
- return (16 * x * x * x * x * x);
-
- } else {
- x -= 1;
- return 1 + (16 * x * x * x * x * x);
- }
- }
- };
-})();
-})(ionic);
diff --git a/js/animation/gl-matrix.js b/js/animation/gl-matrix.js
deleted file mode 100644
index 3b22c7979a..0000000000
--- a/js/animation/gl-matrix.js
+++ /dev/null
@@ -1,4248 +0,0 @@
-/**
- * @fileoverview gl-matrix - High performance matrix and vector operations
- * @author Brandon Jones
- * @author Colin MacKenzie IV
- * @version 2.2.1
- */
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-
-(function(_global) {
- "use strict";
-
- var shim = {};
- if (typeof(exports) === 'undefined') {
- if(typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
- shim.exports = {};
- define(function() {
- return shim.exports;
- });
- } else {
- // gl-matrix lives in a browser, define its namespaces in global
- shim.exports = typeof(window) !== 'undefined' ? window : _global;
- }
- }
- else {
- // gl-matrix lives in commonjs, define its namespaces in exports
- shim.exports = exports;
- }
-
- (function(exports) {
- /* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-
-if(!GLMAT_EPSILON) {
- var GLMAT_EPSILON = 0.000001;
-}
-
-if(!GLMAT_ARRAY_TYPE) {
- var GLMAT_ARRAY_TYPE = (typeof Float32Array !== 'undefined') ? Float32Array : Array;
-}
-
-if(!GLMAT_RANDOM) {
- var GLMAT_RANDOM = Math.random;
-}
-
-/**
- * @class Common utilities
- * @name glMatrix
- */
-var glMatrix = {};
-
-/**
- * Sets the type of array used when creating new vectors and matricies
- *
- * @param {Type} type Array type, such as Float32Array or Array
- */
-glMatrix.setMatrixArrayType = function(type) {
- GLMAT_ARRAY_TYPE = type;
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.glMatrix = glMatrix;
-}
-
-var degree = Math.PI / 180;
-
-/**
-* Convert Degree To Radian
-*
-* @param {Number} Angle in Degrees
-*/
-glMatrix.toRadian = function(a){
- return a * degree;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 2 Dimensional Vector
- * @name vec2
- */
-
-var vec2 = {};
-
-/**
- * Creates a new, empty vec2
- *
- * @returns {vec2} a new 2D vector
- */
-vec2.create = function() {
- var out = new GLMAT_ARRAY_TYPE(2);
- out[0] = 0;
- out[1] = 0;
- return out;
-};
-
-/**
- * Creates a new vec2 initialized with values from an existing vector
- *
- * @param {vec2} a vector to clone
- * @returns {vec2} a new 2D vector
- */
-vec2.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(2);
- out[0] = a[0];
- out[1] = a[1];
- return out;
-};
-
-/**
- * Creates a new vec2 initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @returns {vec2} a new 2D vector
- */
-vec2.fromValues = function(x, y) {
- var out = new GLMAT_ARRAY_TYPE(2);
- out[0] = x;
- out[1] = y;
- return out;
-};
-
-/**
- * Copy the values from one vec2 to another
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the source vector
- * @returns {vec2} out
- */
-vec2.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- return out;
-};
-
-/**
- * Set the components of a vec2 to the given values
- *
- * @param {vec2} out the receiving vector
- * @param {Number} x X component
- * @param {Number} y Y component
- * @returns {vec2} out
- */
-vec2.set = function(out, x, y) {
- out[0] = x;
- out[1] = y;
- return out;
-};
-
-/**
- * Adds two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.add = function(out, a, b) {
- out[0] = a[0] + b[0];
- out[1] = a[1] + b[1];
- return out;
-};
-
-/**
- * Subtracts vector b from vector a
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.subtract = function(out, a, b) {
- out[0] = a[0] - b[0];
- out[1] = a[1] - b[1];
- return out;
-};
-
-/**
- * Alias for {@link vec2.subtract}
- * @function
- */
-vec2.sub = vec2.subtract;
-
-/**
- * Multiplies two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.multiply = function(out, a, b) {
- out[0] = a[0] * b[0];
- out[1] = a[1] * b[1];
- return out;
-};
-
-/**
- * Alias for {@link vec2.multiply}
- * @function
- */
-vec2.mul = vec2.multiply;
-
-/**
- * Divides two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.divide = function(out, a, b) {
- out[0] = a[0] / b[0];
- out[1] = a[1] / b[1];
- return out;
-};
-
-/**
- * Alias for {@link vec2.divide}
- * @function
- */
-vec2.div = vec2.divide;
-
-/**
- * Returns the minimum of two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.min = function(out, a, b) {
- out[0] = Math.min(a[0], b[0]);
- out[1] = Math.min(a[1], b[1]);
- return out;
-};
-
-/**
- * Returns the maximum of two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.max = function(out, a, b) {
- out[0] = Math.max(a[0], b[0]);
- out[1] = Math.max(a[1], b[1]);
- return out;
-};
-
-/**
- * Scales a vec2 by a scalar number
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {vec2} out
- */
-vec2.scale = function(out, a, b) {
- out[0] = a[0] * b;
- out[1] = a[1] * b;
- return out;
-};
-
-/**
- * Adds two vec2's after scaling the second operand by a scalar value
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @param {Number} scale the amount to scale b by before adding
- * @returns {vec2} out
- */
-vec2.scaleAndAdd = function(out, a, b, scale) {
- out[0] = a[0] + (b[0] * scale);
- out[1] = a[1] + (b[1] * scale);
- return out;
-};
-
-/**
- * Calculates the euclidian distance between two vec2's
- *
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {Number} distance between a and b
- */
-vec2.distance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1];
- return Math.sqrt(x*x + y*y);
-};
-
-/**
- * Alias for {@link vec2.distance}
- * @function
- */
-vec2.dist = vec2.distance;
-
-/**
- * Calculates the squared euclidian distance between two vec2's
- *
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {Number} squared distance between a and b
- */
-vec2.squaredDistance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1];
- return x*x + y*y;
-};
-
-/**
- * Alias for {@link vec2.squaredDistance}
- * @function
- */
-vec2.sqrDist = vec2.squaredDistance;
-
-/**
- * Calculates the length of a vec2
- *
- * @param {vec2} a vector to calculate length of
- * @returns {Number} length of a
- */
-vec2.length = function (a) {
- var x = a[0],
- y = a[1];
- return Math.sqrt(x*x + y*y);
-};
-
-/**
- * Alias for {@link vec2.length}
- * @function
- */
-vec2.len = vec2.length;
-
-/**
- * Calculates the squared length of a vec2
- *
- * @param {vec2} a vector to calculate squared length of
- * @returns {Number} squared length of a
- */
-vec2.squaredLength = function (a) {
- var x = a[0],
- y = a[1];
- return x*x + y*y;
-};
-
-/**
- * Alias for {@link vec2.squaredLength}
- * @function
- */
-vec2.sqrLen = vec2.squaredLength;
-
-/**
- * Negates the components of a vec2
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a vector to negate
- * @returns {vec2} out
- */
-vec2.negate = function(out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- return out;
-};
-
-/**
- * Normalize a vec2
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a vector to normalize
- * @returns {vec2} out
- */
-vec2.normalize = function(out, a) {
- var x = a[0],
- y = a[1];
- var len = x*x + y*y;
- if (len > 0) {
- //TODO: evaluate use of glm_invsqrt here?
- len = 1 / Math.sqrt(len);
- out[0] = a[0] * len;
- out[1] = a[1] * len;
- }
- return out;
-};
-
-/**
- * Calculates the dot product of two vec2's
- *
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {Number} dot product of a and b
- */
-vec2.dot = function (a, b) {
- return a[0] * b[0] + a[1] * b[1];
-};
-
-/**
- * Computes the cross product of two vec2's
- * Note that the cross product must by definition produce a 3D vector
- *
- * @param {vec3} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec3} out
- */
-vec2.cross = function(out, a, b) {
- var z = a[0] * b[1] - a[1] * b[0];
- out[0] = out[1] = 0;
- out[2] = z;
- return out;
-};
-
-/**
- * Performs a linear interpolation between two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {vec2} out
- */
-vec2.lerp = function (out, a, b, t) {
- var ax = a[0],
- ay = a[1];
- out[0] = ax + t * (b[0] - ax);
- out[1] = ay + t * (b[1] - ay);
- return out;
-};
-
-/**
- * Generates a random vector with the given scale
- *
- * @param {vec2} out the receiving vector
- * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
- * @returns {vec2} out
- */
-vec2.random = function (out, scale) {
- scale = scale || 1.0;
- var r = GLMAT_RANDOM() * 2.0 * Math.PI;
- out[0] = Math.cos(r) * scale;
- out[1] = Math.sin(r) * scale;
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat2
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat2} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat2 = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[2] * y;
- out[1] = m[1] * x + m[3] * y;
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat2d
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat2d} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat2d = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[2] * y + m[4];
- out[1] = m[1] * x + m[3] * y + m[5];
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat3
- * 3rd vector component is implicitly '1'
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat3} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat3 = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[3] * y + m[6];
- out[1] = m[1] * x + m[4] * y + m[7];
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat4
- * 3rd vector component is implicitly '0'
- * 4th vector component is implicitly '1'
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat4} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat4 = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[4] * y + m[12];
- out[1] = m[1] * x + m[5] * y + m[13];
- return out;
-};
-
-/**
- * Perform some operation over an array of vec2s.
- *
- * @param {Array} a the array of vectors to iterate over
- * @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed
- * @param {Number} offset Number of elements to skip at the beginning of the array
- * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array
- * @param {Function} fn Function to call for each vector in the array
- * @param {Object} [arg] additional argument to pass to fn
- * @returns {Array} a
- * @function
- */
-vec2.forEach = (function() {
- var vec = vec2.create();
-
- return function(a, stride, offset, count, fn, arg) {
- var i, l;
- if(!stride) {
- stride = 2;
- }
-
- if(!offset) {
- offset = 0;
- }
-
- if(count) {
- l = Math.min((count * stride) + offset, a.length);
- } else {
- l = a.length;
- }
-
- for(i = offset; i < l; i += stride) {
- vec[0] = a[i]; vec[1] = a[i+1];
- fn(vec, vec, arg);
- a[i] = vec[0]; a[i+1] = vec[1];
- }
-
- return a;
- };
-})();
-
-/**
- * Returns a string representation of a vector
- *
- * @param {vec2} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-vec2.str = function (a) {
- return 'vec2(' + a[0] + ', ' + a[1] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.vec2 = vec2;
-}
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 3 Dimensional Vector
- * @name vec3
- */
-
-var vec3 = {};
-
-/**
- * Creates a new, empty vec3
- *
- * @returns {vec3} a new 3D vector
- */
-vec3.create = function() {
- var out = new GLMAT_ARRAY_TYPE(3);
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- return out;
-};
-
-/**
- * Creates a new vec3 initialized with values from an existing vector
- *
- * @param {vec3} a vector to clone
- * @returns {vec3} a new 3D vector
- */
-vec3.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(3);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- return out;
-};
-
-/**
- * Creates a new vec3 initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @returns {vec3} a new 3D vector
- */
-vec3.fromValues = function(x, y, z) {
- var out = new GLMAT_ARRAY_TYPE(3);
- out[0] = x;
- out[1] = y;
- out[2] = z;
- return out;
-};
-
-/**
- * Copy the values from one vec3 to another
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the source vector
- * @returns {vec3} out
- */
-vec3.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- return out;
-};
-
-/**
- * Set the components of a vec3 to the given values
- *
- * @param {vec3} out the receiving vector
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @returns {vec3} out
- */
-vec3.set = function(out, x, y, z) {
- out[0] = x;
- out[1] = y;
- out[2] = z;
- return out;
-};
-
-/**
- * Adds two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.add = function(out, a, b) {
- out[0] = a[0] + b[0];
- out[1] = a[1] + b[1];
- out[2] = a[2] + b[2];
- return out;
-};
-
-/**
- * Subtracts vector b from vector a
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.subtract = function(out, a, b) {
- out[0] = a[0] - b[0];
- out[1] = a[1] - b[1];
- out[2] = a[2] - b[2];
- return out;
-};
-
-/**
- * Alias for {@link vec3.subtract}
- * @function
- */
-vec3.sub = vec3.subtract;
-
-/**
- * Multiplies two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.multiply = function(out, a, b) {
- out[0] = a[0] * b[0];
- out[1] = a[1] * b[1];
- out[2] = a[2] * b[2];
- return out;
-};
-
-/**
- * Alias for {@link vec3.multiply}
- * @function
- */
-vec3.mul = vec3.multiply;
-
-/**
- * Divides two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.divide = function(out, a, b) {
- out[0] = a[0] / b[0];
- out[1] = a[1] / b[1];
- out[2] = a[2] / b[2];
- return out;
-};
-
-/**
- * Alias for {@link vec3.divide}
- * @function
- */
-vec3.div = vec3.divide;
-
-/**
- * Returns the minimum of two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.min = function(out, a, b) {
- out[0] = Math.min(a[0], b[0]);
- out[1] = Math.min(a[1], b[1]);
- out[2] = Math.min(a[2], b[2]);
- return out;
-};
-
-/**
- * Returns the maximum of two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.max = function(out, a, b) {
- out[0] = Math.max(a[0], b[0]);
- out[1] = Math.max(a[1], b[1]);
- out[2] = Math.max(a[2], b[2]);
- return out;
-};
-
-/**
- * Scales a vec3 by a scalar number
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {vec3} out
- */
-vec3.scale = function(out, a, b) {
- out[0] = a[0] * b;
- out[1] = a[1] * b;
- out[2] = a[2] * b;
- return out;
-};
-
-/**
- * Adds two vec3's after scaling the second operand by a scalar value
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @param {Number} scale the amount to scale b by before adding
- * @returns {vec3} out
- */
-vec3.scaleAndAdd = function(out, a, b, scale) {
- out[0] = a[0] + (b[0] * scale);
- out[1] = a[1] + (b[1] * scale);
- out[2] = a[2] + (b[2] * scale);
- return out;
-};
-
-/**
- * Calculates the euclidian distance between two vec3's
- *
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {Number} distance between a and b
- */
-vec3.distance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2];
- return Math.sqrt(x*x + y*y + z*z);
-};
-
-/**
- * Alias for {@link vec3.distance}
- * @function
- */
-vec3.dist = vec3.distance;
-
-/**
- * Calculates the squared euclidian distance between two vec3's
- *
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {Number} squared distance between a and b
- */
-vec3.squaredDistance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2];
- return x*x + y*y + z*z;
-};
-
-/**
- * Alias for {@link vec3.squaredDistance}
- * @function
- */
-vec3.sqrDist = vec3.squaredDistance;
-
-/**
- * Calculates the length of a vec3
- *
- * @param {vec3} a vector to calculate length of
- * @returns {Number} length of a
- */
-vec3.length = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2];
- return Math.sqrt(x*x + y*y + z*z);
-};
-
-/**
- * Alias for {@link vec3.length}
- * @function
- */
-vec3.len = vec3.length;
-
-/**
- * Calculates the squared length of a vec3
- *
- * @param {vec3} a vector to calculate squared length of
- * @returns {Number} squared length of a
- */
-vec3.squaredLength = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2];
- return x*x + y*y + z*z;
-};
-
-/**
- * Alias for {@link vec3.squaredLength}
- * @function
- */
-vec3.sqrLen = vec3.squaredLength;
-
-/**
- * Negates the components of a vec3
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a vector to negate
- * @returns {vec3} out
- */
-vec3.negate = function(out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- out[2] = -a[2];
- return out;
-};
-
-/**
- * Normalize a vec3
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a vector to normalize
- * @returns {vec3} out
- */
-vec3.normalize = function(out, a) {
- var x = a[0],
- y = a[1],
- z = a[2];
- var len = x*x + y*y + z*z;
- if (len > 0) {
- //TODO: evaluate use of glm_invsqrt here?
- len = 1 / Math.sqrt(len);
- out[0] = a[0] * len;
- out[1] = a[1] * len;
- out[2] = a[2] * len;
- }
- return out;
-};
-
-/**
- * Calculates the dot product of two vec3's
- *
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {Number} dot product of a and b
- */
-vec3.dot = function (a, b) {
- return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
-};
-
-/**
- * Computes the cross product of two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.cross = function(out, a, b) {
- var ax = a[0], ay = a[1], az = a[2],
- bx = b[0], by = b[1], bz = b[2];
-
- out[0] = ay * bz - az * by;
- out[1] = az * bx - ax * bz;
- out[2] = ax * by - ay * bx;
- return out;
-};
-
-/**
- * Performs a linear interpolation between two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {vec3} out
- */
-vec3.lerp = function (out, a, b, t) {
- var ax = a[0],
- ay = a[1],
- az = a[2];
- out[0] = ax + t * (b[0] - ax);
- out[1] = ay + t * (b[1] - ay);
- out[2] = az + t * (b[2] - az);
- return out;
-};
-
-/**
- * Generates a random vector with the given scale
- *
- * @param {vec3} out the receiving vector
- * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
- * @returns {vec3} out
- */
-vec3.random = function (out, scale) {
- scale = scale || 1.0;
-
- var r = GLMAT_RANDOM() * 2.0 * Math.PI;
- var z = (GLMAT_RANDOM() * 2.0) - 1.0;
- var zScale = Math.sqrt(1.0-z*z) * scale;
-
- out[0] = Math.cos(r) * zScale;
- out[1] = Math.sin(r) * zScale;
- out[2] = z * scale;
- return out;
-};
-
-/**
- * Transforms the vec3 with a mat4.
- * 4th vector component is implicitly '1'
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the vector to transform
- * @param {mat4} m matrix to transform with
- * @returns {vec3} out
- */
-vec3.transformMat4 = function(out, a, m) {
- var x = a[0], y = a[1], z = a[2];
- out[0] = m[0] * x + m[4] * y + m[8] * z + m[12];
- out[1] = m[1] * x + m[5] * y + m[9] * z + m[13];
- out[2] = m[2] * x + m[6] * y + m[10] * z + m[14];
- return out;
-};
-
-/**
- * Transforms the vec3 with a mat3.
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the vector to transform
- * @param {mat4} m the 3x3 matrix to transform with
- * @returns {vec3} out
- */
-vec3.transformMat3 = function(out, a, m) {
- var x = a[0], y = a[1], z = a[2];
- out[0] = x * m[0] + y * m[3] + z * m[6];
- out[1] = x * m[1] + y * m[4] + z * m[7];
- out[2] = x * m[2] + y * m[5] + z * m[8];
- return out;
-};
-
-/**
- * Transforms the vec3 with a quat
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the vector to transform
- * @param {quat} q quaternion to transform with
- * @returns {vec3} out
- */
-vec3.transformQuat = function(out, a, q) {
- // benchmarks: http://jsperf.com/quaternion-transform-vec3-implementations
-
- var x = a[0], y = a[1], z = a[2],
- qx = q[0], qy = q[1], qz = q[2], qw = q[3],
-
- // calculate quat * vec
- ix = qw * x + qy * z - qz * y,
- iy = qw * y + qz * x - qx * z,
- iz = qw * z + qx * y - qy * x,
- iw = -qx * x - qy * y - qz * z;
-
- // calculate result * inverse quat
- out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;
- out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;
- out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;
- return out;
-};
-
-/*
-* Rotate a 3D vector around the x-axis
-* @param {vec3} out The receiving vec3
-* @param {vec3} a The vec3 point to rotate
-* @param {vec3} b The origin of the rotation
-* @param {Number} c The angle of rotation
-* @returns {vec3} out
-*/
-vec3.rotateX = function(out, a, b, c){
- var p = [], r=[];
- //Translate point to the origin
- p[0] = a[0] - b[0];
- p[1] = a[1] - b[1];
- p[2] = a[2] - b[2];
-
- //perform rotation
- r[0] = p[0];
- r[1] = p[1]*Math.cos(c) - p[2]*Math.sin(c);
- r[2] = p[1]*Math.sin(c) + p[2]*Math.cos(c);
-
- //translate to correct position
- out[0] = r[0] + b[0];
- out[1] = r[1] + b[1];
- out[2] = r[2] + b[2];
-
- return out;
-};
-
-/*
-* Rotate a 3D vector around the y-axis
-* @param {vec3} out The receiving vec3
-* @param {vec3} a The vec3 point to rotate
-* @param {vec3} b The origin of the rotation
-* @param {Number} c The angle of rotation
-* @returns {vec3} out
-*/
-vec3.rotateY = function(out, a, b, c){
- var p = [], r=[];
- //Translate point to the origin
- p[0] = a[0] - b[0];
- p[1] = a[1] - b[1];
- p[2] = a[2] - b[2];
-
- //perform rotation
- r[0] = p[2]*Math.sin(c) + p[0]*Math.cos(c);
- r[1] = p[1];
- r[2] = p[2]*Math.cos(c) - p[0]*Math.sin(c);
-
- //translate to correct position
- out[0] = r[0] + b[0];
- out[1] = r[1] + b[1];
- out[2] = r[2] + b[2];
-
- return out;
-};
-
-/*
-* Rotate a 3D vector around the z-axis
-* @param {vec3} out The receiving vec3
-* @param {vec3} a The vec3 point to rotate
-* @param {vec3} b The origin of the rotation
-* @param {Number} c The angle of rotation
-* @returns {vec3} out
-*/
-vec3.rotateZ = function(out, a, b, c){
- var p = [], r=[];
- //Translate point to the origin
- p[0] = a[0] - b[0];
- p[1] = a[1] - b[1];
- p[2] = a[2] - b[2];
-
- //perform rotation
- r[0] = p[0]*Math.cos(c) - p[1]*Math.sin(c);
- r[1] = p[0]*Math.sin(c) + p[1]*Math.cos(c);
- r[2] = p[2];
-
- //translate to correct position
- out[0] = r[0] + b[0];
- out[1] = r[1] + b[1];
- out[2] = r[2] + b[2];
-
- return out;
-};
-
-/**
- * Perform some operation over an array of vec3s.
- *
- * @param {Array} a the array of vectors to iterate over
- * @param {Number} stride Number of elements between the start of each vec3. If 0 assumes tightly packed
- * @param {Number} offset Number of elements to skip at the beginning of the array
- * @param {Number} count Number of vec3s to iterate over. If 0 iterates over entire array
- * @param {Function} fn Function to call for each vector in the array
- * @param {Object} [arg] additional argument to pass to fn
- * @returns {Array} a
- * @function
- */
-vec3.forEach = (function() {
- var vec = vec3.create();
-
- return function(a, stride, offset, count, fn, arg) {
- var i, l;
- if(!stride) {
- stride = 3;
- }
-
- if(!offset) {
- offset = 0;
- }
-
- if(count) {
- l = Math.min((count * stride) + offset, a.length);
- } else {
- l = a.length;
- }
-
- for(i = offset; i < l; i += stride) {
- vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2];
- fn(vec, vec, arg);
- a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2];
- }
-
- return a;
- };
-})();
-
-/**
- * Returns a string representation of a vector
- *
- * @param {vec3} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-vec3.str = function (a) {
- return 'vec3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.vec3 = vec3;
-}
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 4 Dimensional Vector
- * @name vec4
- */
-
-var vec4 = {};
-
-/**
- * Creates a new, empty vec4
- *
- * @returns {vec4} a new 4D vector
- */
-vec4.create = function() {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- return out;
-};
-
-/**
- * Creates a new vec4 initialized with values from an existing vector
- *
- * @param {vec4} a vector to clone
- * @returns {vec4} a new 4D vector
- */
-vec4.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Creates a new vec4 initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {vec4} a new 4D vector
- */
-vec4.fromValues = function(x, y, z, w) {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = x;
- out[1] = y;
- out[2] = z;
- out[3] = w;
- return out;
-};
-
-/**
- * Copy the values from one vec4 to another
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the source vector
- * @returns {vec4} out
- */
-vec4.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Set the components of a vec4 to the given values
- *
- * @param {vec4} out the receiving vector
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {vec4} out
- */
-vec4.set = function(out, x, y, z, w) {
- out[0] = x;
- out[1] = y;
- out[2] = z;
- out[3] = w;
- return out;
-};
-
-/**
- * Adds two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.add = function(out, a, b) {
- out[0] = a[0] + b[0];
- out[1] = a[1] + b[1];
- out[2] = a[2] + b[2];
- out[3] = a[3] + b[3];
- return out;
-};
-
-/**
- * Subtracts vector b from vector a
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.subtract = function(out, a, b) {
- out[0] = a[0] - b[0];
- out[1] = a[1] - b[1];
- out[2] = a[2] - b[2];
- out[3] = a[3] - b[3];
- return out;
-};
-
-/**
- * Alias for {@link vec4.subtract}
- * @function
- */
-vec4.sub = vec4.subtract;
-
-/**
- * Multiplies two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.multiply = function(out, a, b) {
- out[0] = a[0] * b[0];
- out[1] = a[1] * b[1];
- out[2] = a[2] * b[2];
- out[3] = a[3] * b[3];
- return out;
-};
-
-/**
- * Alias for {@link vec4.multiply}
- * @function
- */
-vec4.mul = vec4.multiply;
-
-/**
- * Divides two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.divide = function(out, a, b) {
- out[0] = a[0] / b[0];
- out[1] = a[1] / b[1];
- out[2] = a[2] / b[2];
- out[3] = a[3] / b[3];
- return out;
-};
-
-/**
- * Alias for {@link vec4.divide}
- * @function
- */
-vec4.div = vec4.divide;
-
-/**
- * Returns the minimum of two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.min = function(out, a, b) {
- out[0] = Math.min(a[0], b[0]);
- out[1] = Math.min(a[1], b[1]);
- out[2] = Math.min(a[2], b[2]);
- out[3] = Math.min(a[3], b[3]);
- return out;
-};
-
-/**
- * Returns the maximum of two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.max = function(out, a, b) {
- out[0] = Math.max(a[0], b[0]);
- out[1] = Math.max(a[1], b[1]);
- out[2] = Math.max(a[2], b[2]);
- out[3] = Math.max(a[3], b[3]);
- return out;
-};
-
-/**
- * Scales a vec4 by a scalar number
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {vec4} out
- */
-vec4.scale = function(out, a, b) {
- out[0] = a[0] * b;
- out[1] = a[1] * b;
- out[2] = a[2] * b;
- out[3] = a[3] * b;
- return out;
-};
-
-/**
- * Adds two vec4's after scaling the second operand by a scalar value
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @param {Number} scale the amount to scale b by before adding
- * @returns {vec4} out
- */
-vec4.scaleAndAdd = function(out, a, b, scale) {
- out[0] = a[0] + (b[0] * scale);
- out[1] = a[1] + (b[1] * scale);
- out[2] = a[2] + (b[2] * scale);
- out[3] = a[3] + (b[3] * scale);
- return out;
-};
-
-/**
- * Calculates the euclidian distance between two vec4's
- *
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {Number} distance between a and b
- */
-vec4.distance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2],
- w = b[3] - a[3];
- return Math.sqrt(x*x + y*y + z*z + w*w);
-};
-
-/**
- * Alias for {@link vec4.distance}
- * @function
- */
-vec4.dist = vec4.distance;
-
-/**
- * Calculates the squared euclidian distance between two vec4's
- *
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {Number} squared distance between a and b
- */
-vec4.squaredDistance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2],
- w = b[3] - a[3];
- return x*x + y*y + z*z + w*w;
-};
-
-/**
- * Alias for {@link vec4.squaredDistance}
- * @function
- */
-vec4.sqrDist = vec4.squaredDistance;
-
-/**
- * Calculates the length of a vec4
- *
- * @param {vec4} a vector to calculate length of
- * @returns {Number} length of a
- */
-vec4.length = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2],
- w = a[3];
- return Math.sqrt(x*x + y*y + z*z + w*w);
-};
-
-/**
- * Alias for {@link vec4.length}
- * @function
- */
-vec4.len = vec4.length;
-
-/**
- * Calculates the squared length of a vec4
- *
- * @param {vec4} a vector to calculate squared length of
- * @returns {Number} squared length of a
- */
-vec4.squaredLength = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2],
- w = a[3];
- return x*x + y*y + z*z + w*w;
-};
-
-/**
- * Alias for {@link vec4.squaredLength}
- * @function
- */
-vec4.sqrLen = vec4.squaredLength;
-
-/**
- * Negates the components of a vec4
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a vector to negate
- * @returns {vec4} out
- */
-vec4.negate = function(out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- out[2] = -a[2];
- out[3] = -a[3];
- return out;
-};
-
-/**
- * Normalize a vec4
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a vector to normalize
- * @returns {vec4} out
- */
-vec4.normalize = function(out, a) {
- var x = a[0],
- y = a[1],
- z = a[2],
- w = a[3];
- var len = x*x + y*y + z*z + w*w;
- if (len > 0) {
- len = 1 / Math.sqrt(len);
- out[0] = a[0] * len;
- out[1] = a[1] * len;
- out[2] = a[2] * len;
- out[3] = a[3] * len;
- }
- return out;
-};
-
-/**
- * Calculates the dot product of two vec4's
- *
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {Number} dot product of a and b
- */
-vec4.dot = function (a, b) {
- return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
-};
-
-/**
- * Performs a linear interpolation between two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {vec4} out
- */
-vec4.lerp = function (out, a, b, t) {
- var ax = a[0],
- ay = a[1],
- az = a[2],
- aw = a[3];
- out[0] = ax + t * (b[0] - ax);
- out[1] = ay + t * (b[1] - ay);
- out[2] = az + t * (b[2] - az);
- out[3] = aw + t * (b[3] - aw);
- return out;
-};
-
-/**
- * Generates a random vector with the given scale
- *
- * @param {vec4} out the receiving vector
- * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
- * @returns {vec4} out
- */
-vec4.random = function (out, scale) {
- scale = scale || 1.0;
-
- //TODO: This is a pretty awful way of doing this. Find something better.
- out[0] = GLMAT_RANDOM();
- out[1] = GLMAT_RANDOM();
- out[2] = GLMAT_RANDOM();
- out[3] = GLMAT_RANDOM();
- vec4.normalize(out, out);
- vec4.scale(out, out, scale);
- return out;
-};
-
-/**
- * Transforms the vec4 with a mat4.
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the vector to transform
- * @param {mat4} m matrix to transform with
- * @returns {vec4} out
- */
-vec4.transformMat4 = function(out, a, m) {
- var x = a[0], y = a[1], z = a[2], w = a[3];
- out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w;
- out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w;
- out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w;
- out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w;
- return out;
-};
-
-/**
- * Transforms the vec4 with a quat
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the vector to transform
- * @param {quat} q quaternion to transform with
- * @returns {vec4} out
- */
-vec4.transformQuat = function(out, a, q) {
- var x = a[0], y = a[1], z = a[2],
- qx = q[0], qy = q[1], qz = q[2], qw = q[3],
-
- // calculate quat * vec
- ix = qw * x + qy * z - qz * y,
- iy = qw * y + qz * x - qx * z,
- iz = qw * z + qx * y - qy * x,
- iw = -qx * x - qy * y - qz * z;
-
- // calculate result * inverse quat
- out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;
- out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;
- out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;
- return out;
-};
-
-/**
- * Perform some operation over an array of vec4s.
- *
- * @param {Array} a the array of vectors to iterate over
- * @param {Number} stride Number of elements between the start of each vec4. If 0 assumes tightly packed
- * @param {Number} offset Number of elements to skip at the beginning of the array
- * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array
- * @param {Function} fn Function to call for each vector in the array
- * @param {Object} [arg] additional argument to pass to fn
- * @returns {Array} a
- * @function
- */
-vec4.forEach = (function() {
- var vec = vec4.create();
-
- return function(a, stride, offset, count, fn, arg) {
- var i, l;
- if(!stride) {
- stride = 4;
- }
-
- if(!offset) {
- offset = 0;
- }
-
- if(count) {
- l = Math.min((count * stride) + offset, a.length);
- } else {
- l = a.length;
- }
-
- for(i = offset; i < l; i += stride) {
- vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; vec[3] = a[i+3];
- fn(vec, vec, arg);
- a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; a[i+3] = vec[3];
- }
-
- return a;
- };
-})();
-
-/**
- * Returns a string representation of a vector
- *
- * @param {vec4} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-vec4.str = function (a) {
- return 'vec4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.vec4 = vec4;
-}
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 2x2 Matrix
- * @name mat2
- */
-
-var mat2 = {};
-
-/**
- * Creates a new identity mat2
- *
- * @returns {mat2} a new 2x2 matrix
- */
-mat2.create = function() {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Creates a new mat2 initialized with values from an existing matrix
- *
- * @param {mat2} a matrix to clone
- * @returns {mat2} a new 2x2 matrix
- */
-mat2.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Copy the values from one mat2 to another
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-mat2.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Set a mat2 to the identity matrix
- *
- * @param {mat2} out the receiving matrix
- * @returns {mat2} out
- */
-mat2.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Transpose the values of a mat2
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-mat2.transpose = function(out, a) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if (out === a) {
- var a1 = a[1];
- out[1] = a[2];
- out[2] = a1;
- } else {
- out[0] = a[0];
- out[1] = a[2];
- out[2] = a[1];
- out[3] = a[3];
- }
-
- return out;
-};
-
-/**
- * Inverts a mat2
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-mat2.invert = function(out, a) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
-
- // Calculate the determinant
- det = a0 * a3 - a2 * a1;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = a3 * det;
- out[1] = -a1 * det;
- out[2] = -a2 * det;
- out[3] = a0 * det;
-
- return out;
-};
-
-/**
- * Calculates the adjugate of a mat2
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-mat2.adjoint = function(out, a) {
- // Caching this value is nessecary if out == a
- var a0 = a[0];
- out[0] = a[3];
- out[1] = -a[1];
- out[2] = -a[2];
- out[3] = a0;
-
- return out;
-};
-
-/**
- * Calculates the determinant of a mat2
- *
- * @param {mat2} a the source matrix
- * @returns {Number} determinant of a
- */
-mat2.determinant = function (a) {
- return a[0] * a[3] - a[2] * a[1];
-};
-
-/**
- * Multiplies two mat2's
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the first operand
- * @param {mat2} b the second operand
- * @returns {mat2} out
- */
-mat2.multiply = function (out, a, b) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3];
- var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
- out[0] = a0 * b0 + a2 * b1;
- out[1] = a1 * b0 + a3 * b1;
- out[2] = a0 * b2 + a2 * b3;
- out[3] = a1 * b2 + a3 * b3;
- return out;
-};
-
-/**
- * Alias for {@link mat2.multiply}
- * @function
- */
-mat2.mul = mat2.multiply;
-
-/**
- * Rotates a mat2 by the given angle
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat2} out
- */
-mat2.rotate = function (out, a, rad) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
- s = Math.sin(rad),
- c = Math.cos(rad);
- out[0] = a0 * c + a2 * s;
- out[1] = a1 * c + a3 * s;
- out[2] = a0 * -s + a2 * c;
- out[3] = a1 * -s + a3 * c;
- return out;
-};
-
-/**
- * Scales the mat2 by the dimensions in the given vec2
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat2} out
- **/
-mat2.scale = function(out, a, v) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
- v0 = v[0], v1 = v[1];
- out[0] = a0 * v0;
- out[1] = a1 * v0;
- out[2] = a2 * v1;
- out[3] = a3 * v1;
- return out;
-};
-
-/**
- * Returns a string representation of a mat2
- *
- * @param {mat2} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat2.str = function (a) {
- return 'mat2(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
-};
-
-/**
- * Returns Frobenius norm of a mat2
- *
- * @param {mat2} a the matrix to calculate Frobenius norm of
- * @returns {Number} Frobenius norm
- */
-mat2.frob = function (a) {
- return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2)));
-};
-
-/**
- * Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix
- * @param {mat2} L the lower triangular matrix
- * @param {mat2} D the diagonal matrix
- * @param {mat2} U the upper triangular matrix
- * @param {mat2} a the input matrix to factorize
- */
-
-mat2.LDU = function (L, D, U, a) {
- L[2] = a[2]/a[0];
- U[0] = a[0];
- U[1] = a[1];
- U[3] = a[3] - L[2] * U[1];
- return [L, D, U];
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.mat2 = mat2;
-}
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 2x3 Matrix
- * @name mat2d
- *
- * @description
- * A mat2d contains six elements defined as:
- *
- * [a, c, tx,
- * b, d, ty]
- *
- * This is a short form for the 3x3 matrix:
- *
- * [a, c, tx,
- * b, d, ty,
- * 0, 0, 1]
- *
- * The last row is ignored so the array is shorter and operations are faster.
- */
-
-var mat2d = {};
-
-/**
- * Creates a new identity mat2d
- *
- * @returns {mat2d} a new 2x3 matrix
- */
-mat2d.create = function() {
- var out = new GLMAT_ARRAY_TYPE(6);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- out[4] = 0;
- out[5] = 0;
- return out;
-};
-
-/**
- * Creates a new mat2d initialized with values from an existing matrix
- *
- * @param {mat2d} a matrix to clone
- * @returns {mat2d} a new 2x3 matrix
- */
-mat2d.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(6);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- return out;
-};
-
-/**
- * Copy the values from one mat2d to another
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the source matrix
- * @returns {mat2d} out
- */
-mat2d.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- return out;
-};
-
-/**
- * Set a mat2d to the identity matrix
- *
- * @param {mat2d} out the receiving matrix
- * @returns {mat2d} out
- */
-mat2d.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- out[4] = 0;
- out[5] = 0;
- return out;
-};
-
-/**
- * Inverts a mat2d
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the source matrix
- * @returns {mat2d} out
- */
-mat2d.invert = function(out, a) {
- var aa = a[0], ab = a[1], ac = a[2], ad = a[3],
- atx = a[4], aty = a[5];
-
- var det = aa * ad - ab * ac;
- if(!det){
- return null;
- }
- det = 1.0 / det;
-
- out[0] = ad * det;
- out[1] = -ab * det;
- out[2] = -ac * det;
- out[3] = aa * det;
- out[4] = (ac * aty - ad * atx) * det;
- out[5] = (ab * atx - aa * aty) * det;
- return out;
-};
-
-/**
- * Calculates the determinant of a mat2d
- *
- * @param {mat2d} a the source matrix
- * @returns {Number} determinant of a
- */
-mat2d.determinant = function (a) {
- return a[0] * a[3] - a[1] * a[2];
-};
-
-/**
- * Multiplies two mat2d's
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the first operand
- * @param {mat2d} b the second operand
- * @returns {mat2d} out
- */
-mat2d.multiply = function (out, a, b) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
- b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3], b4 = b[4], b5 = b[5];
- out[0] = a0 * b0 + a2 * b1;
- out[1] = a1 * b0 + a3 * b1;
- out[2] = a0 * b2 + a2 * b3;
- out[3] = a1 * b2 + a3 * b3;
- out[4] = a0 * b4 + a2 * b5 + a4;
- out[5] = a1 * b4 + a3 * b5 + a5;
- return out;
-};
-
-/**
- * Alias for {@link mat2d.multiply}
- * @function
- */
-mat2d.mul = mat2d.multiply;
-
-
-/**
- * Rotates a mat2d by the given angle
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat2d} out
- */
-mat2d.rotate = function (out, a, rad) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
- s = Math.sin(rad),
- c = Math.cos(rad);
- out[0] = a0 * c + a2 * s;
- out[1] = a1 * c + a3 * s;
- out[2] = a0 * -s + a2 * c;
- out[3] = a1 * -s + a3 * c;
- out[4] = a4;
- out[5] = a5;
- return out;
-};
-
-/**
- * Scales the mat2d by the dimensions in the given vec2
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the matrix to translate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat2d} out
- **/
-mat2d.scale = function(out, a, v) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
- v0 = v[0], v1 = v[1];
- out[0] = a0 * v0;
- out[1] = a1 * v0;
- out[2] = a2 * v1;
- out[3] = a3 * v1;
- out[4] = a4;
- out[5] = a5;
- return out;
-};
-
-/**
- * Translates the mat2d by the dimensions in the given vec2
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the matrix to translate
- * @param {vec2} v the vec2 to translate the matrix by
- * @returns {mat2d} out
- **/
-mat2d.translate = function(out, a, v) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
- v0 = v[0], v1 = v[1];
- out[0] = a0;
- out[1] = a1;
- out[2] = a2;
- out[3] = a3;
- out[4] = a0 * v0 + a2 * v1 + a4;
- out[5] = a1 * v0 + a3 * v1 + a5;
- return out;
-};
-
-/**
- * Returns a string representation of a mat2d
- *
- * @param {mat2d} a matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat2d.str = function (a) {
- return 'mat2d(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' +
- a[3] + ', ' + a[4] + ', ' + a[5] + ')';
-};
-
-/**
- * Returns Frobenius norm of a mat2d
- *
- * @param {mat2d} a the matrix to calculate Frobenius norm of
- * @returns {Number} Frobenius norm
- */
-mat2d.frob = function (a) {
- return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + 1));
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.mat2d = mat2d;
-}
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 3x3 Matrix
- * @name mat3
- */
-
-var mat3 = {};
-
-/**
- * Creates a new identity mat3
- *
- * @returns {mat3} a new 3x3 matrix
- */
-mat3.create = function() {
- var out = new GLMAT_ARRAY_TYPE(9);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 1;
- out[5] = 0;
- out[6] = 0;
- out[7] = 0;
- out[8] = 1;
- return out;
-};
-
-/**
- * Copies the upper-left 3x3 values into the given mat3.
- *
- * @param {mat3} out the receiving 3x3 matrix
- * @param {mat4} a the source 4x4 matrix
- * @returns {mat3} out
- */
-mat3.fromMat4 = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[4];
- out[4] = a[5];
- out[5] = a[6];
- out[6] = a[8];
- out[7] = a[9];
- out[8] = a[10];
- return out;
-};
-
-/**
- * Creates a new mat3 initialized with values from an existing matrix
- *
- * @param {mat3} a matrix to clone
- * @returns {mat3} a new 3x3 matrix
- */
-mat3.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(9);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Copy the values from one mat3 to another
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Set a mat3 to the identity matrix
- *
- * @param {mat3} out the receiving matrix
- * @returns {mat3} out
- */
-mat3.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 1;
- out[5] = 0;
- out[6] = 0;
- out[7] = 0;
- out[8] = 1;
- return out;
-};
-
-/**
- * Transpose the values of a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.transpose = function(out, a) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if (out === a) {
- var a01 = a[1], a02 = a[2], a12 = a[5];
- out[1] = a[3];
- out[2] = a[6];
- out[3] = a01;
- out[5] = a[7];
- out[6] = a02;
- out[7] = a12;
- } else {
- out[0] = a[0];
- out[1] = a[3];
- out[2] = a[6];
- out[3] = a[1];
- out[4] = a[4];
- out[5] = a[7];
- out[6] = a[2];
- out[7] = a[5];
- out[8] = a[8];
- }
-
- return out;
-};
-
-/**
- * Inverts a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.invert = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- b01 = a22 * a11 - a12 * a21,
- b11 = -a22 * a10 + a12 * a20,
- b21 = a21 * a10 - a11 * a20,
-
- // Calculate the determinant
- det = a00 * b01 + a01 * b11 + a02 * b21;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = b01 * det;
- out[1] = (-a22 * a01 + a02 * a21) * det;
- out[2] = (a12 * a01 - a02 * a11) * det;
- out[3] = b11 * det;
- out[4] = (a22 * a00 - a02 * a20) * det;
- out[5] = (-a12 * a00 + a02 * a10) * det;
- out[6] = b21 * det;
- out[7] = (-a21 * a00 + a01 * a20) * det;
- out[8] = (a11 * a00 - a01 * a10) * det;
- return out;
-};
-
-/**
- * Calculates the adjugate of a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.adjoint = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8];
-
- out[0] = (a11 * a22 - a12 * a21);
- out[1] = (a02 * a21 - a01 * a22);
- out[2] = (a01 * a12 - a02 * a11);
- out[3] = (a12 * a20 - a10 * a22);
- out[4] = (a00 * a22 - a02 * a20);
- out[5] = (a02 * a10 - a00 * a12);
- out[6] = (a10 * a21 - a11 * a20);
- out[7] = (a01 * a20 - a00 * a21);
- out[8] = (a00 * a11 - a01 * a10);
- return out;
-};
-
-/**
- * Calculates the determinant of a mat3
- *
- * @param {mat3} a the source matrix
- * @returns {Number} determinant of a
- */
-mat3.determinant = function (a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8];
-
- return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20);
-};
-
-/**
- * Multiplies two mat3's
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the first operand
- * @param {mat3} b the second operand
- * @returns {mat3} out
- */
-mat3.multiply = function (out, a, b) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- b00 = b[0], b01 = b[1], b02 = b[2],
- b10 = b[3], b11 = b[4], b12 = b[5],
- b20 = b[6], b21 = b[7], b22 = b[8];
-
- out[0] = b00 * a00 + b01 * a10 + b02 * a20;
- out[1] = b00 * a01 + b01 * a11 + b02 * a21;
- out[2] = b00 * a02 + b01 * a12 + b02 * a22;
-
- out[3] = b10 * a00 + b11 * a10 + b12 * a20;
- out[4] = b10 * a01 + b11 * a11 + b12 * a21;
- out[5] = b10 * a02 + b11 * a12 + b12 * a22;
-
- out[6] = b20 * a00 + b21 * a10 + b22 * a20;
- out[7] = b20 * a01 + b21 * a11 + b22 * a21;
- out[8] = b20 * a02 + b21 * a12 + b22 * a22;
- return out;
-};
-
-/**
- * Alias for {@link mat3.multiply}
- * @function
- */
-mat3.mul = mat3.multiply;
-
-/**
- * Translate a mat3 by the given vector
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to translate
- * @param {vec2} v vector to translate by
- * @returns {mat3} out
- */
-mat3.translate = function(out, a, v) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
- x = v[0], y = v[1];
-
- out[0] = a00;
- out[1] = a01;
- out[2] = a02;
-
- out[3] = a10;
- out[4] = a11;
- out[5] = a12;
-
- out[6] = x * a00 + y * a10 + a20;
- out[7] = x * a01 + y * a11 + a21;
- out[8] = x * a02 + y * a12 + a22;
- return out;
-};
-
-/**
- * Rotates a mat3 by the given angle
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat3} out
- */
-mat3.rotate = function (out, a, rad) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- s = Math.sin(rad),
- c = Math.cos(rad);
-
- out[0] = c * a00 + s * a10;
- out[1] = c * a01 + s * a11;
- out[2] = c * a02 + s * a12;
-
- out[3] = c * a10 - s * a00;
- out[4] = c * a11 - s * a01;
- out[5] = c * a12 - s * a02;
-
- out[6] = a20;
- out[7] = a21;
- out[8] = a22;
- return out;
-};
-
-/**
- * Scales the mat3 by the dimensions in the given vec2
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat3} out
- **/
-mat3.scale = function(out, a, v) {
- var x = v[0], y = v[1];
-
- out[0] = x * a[0];
- out[1] = x * a[1];
- out[2] = x * a[2];
-
- out[3] = y * a[3];
- out[4] = y * a[4];
- out[5] = y * a[5];
-
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Copies the values from a mat2d into a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat2d} a the matrix to copy
- * @returns {mat3} out
- **/
-mat3.fromMat2d = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = 0;
-
- out[3] = a[2];
- out[4] = a[3];
- out[5] = 0;
-
- out[6] = a[4];
- out[7] = a[5];
- out[8] = 1;
- return out;
-};
-
-/**
-* Calculates a 3x3 matrix from the given quaternion
-*
-* @param {mat3} out mat3 receiving operation result
-* @param {quat} q Quaternion to create matrix from
-*
-* @returns {mat3} out
-*/
-mat3.fromQuat = function (out, q) {
- var x = q[0], y = q[1], z = q[2], w = q[3],
- x2 = x + x,
- y2 = y + y,
- z2 = z + z,
-
- xx = x * x2,
- yx = y * x2,
- yy = y * y2,
- zx = z * x2,
- zy = z * y2,
- zz = z * z2,
- wx = w * x2,
- wy = w * y2,
- wz = w * z2;
-
- out[0] = 1 - yy - zz;
- out[3] = yx - wz;
- out[6] = zx + wy;
-
- out[1] = yx + wz;
- out[4] = 1 - xx - zz;
- out[7] = zy - wx;
-
- out[2] = zx - wy;
- out[5] = zy + wx;
- out[8] = 1 - xx - yy;
-
- return out;
-};
-
-/**
-* Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix
-*
-* @param {mat3} out mat3 receiving operation result
-* @param {mat4} a Mat4 to derive the normal matrix from
-*
-* @returns {mat3} out
-*/
-mat3.normalFromMat4 = function (out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
-
- b00 = a00 * a11 - a01 * a10,
- b01 = a00 * a12 - a02 * a10,
- b02 = a00 * a13 - a03 * a10,
- b03 = a01 * a12 - a02 * a11,
- b04 = a01 * a13 - a03 * a11,
- b05 = a02 * a13 - a03 * a12,
- b06 = a20 * a31 - a21 * a30,
- b07 = a20 * a32 - a22 * a30,
- b08 = a20 * a33 - a23 * a30,
- b09 = a21 * a32 - a22 * a31,
- b10 = a21 * a33 - a23 * a31,
- b11 = a22 * a33 - a23 * a32,
-
- // Calculate the determinant
- det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
- out[1] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
- out[2] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
-
- out[3] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
- out[4] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
- out[5] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
-
- out[6] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
- out[7] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
- out[8] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
-
- return out;
-};
-
-/**
- * Returns a string representation of a mat3
- *
- * @param {mat3} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat3.str = function (a) {
- return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' +
- a[3] + ', ' + a[4] + ', ' + a[5] + ', ' +
- a[6] + ', ' + a[7] + ', ' + a[8] + ')';
-};
-
-/**
- * Returns Frobenius norm of a mat3
- *
- * @param {mat3} a the matrix to calculate Frobenius norm of
- * @returns {Number} Frobenius norm
- */
-mat3.frob = function (a) {
- return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2)));
-};
-
-
-if(typeof(exports) !== 'undefined') {
- exports.mat3 = mat3;
-}
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 4x4 Matrix
- * @name mat4
- */
-
-var mat4 = {};
-
-/**
- * Creates a new identity mat4
- *
- * @returns {mat4} a new 4x4 matrix
- */
-mat4.create = function() {
- var out = new GLMAT_ARRAY_TYPE(16);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = 1;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = 1;
- out[11] = 0;
- out[12] = 0;
- out[13] = 0;
- out[14] = 0;
- out[15] = 1;
- return out;
-};
-
-/**
- * Creates a new mat4 initialized with values from an existing matrix
- *
- * @param {mat4} a matrix to clone
- * @returns {mat4} a new 4x4 matrix
- */
-mat4.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(16);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- out[9] = a[9];
- out[10] = a[10];
- out[11] = a[11];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- return out;
-};
-
-/**
- * Copy the values from one mat4 to another
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- out[9] = a[9];
- out[10] = a[10];
- out[11] = a[11];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- return out;
-};
-
-/**
- * Set a mat4 to the identity matrix
- *
- * @param {mat4} out the receiving matrix
- * @returns {mat4} out
- */
-mat4.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = 1;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = 1;
- out[11] = 0;
- out[12] = 0;
- out[13] = 0;
- out[14] = 0;
- out[15] = 1;
- return out;
-};
-
-/**
- * Transpose the values of a mat4
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.transpose = function(out, a) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if (out === a) {
- var a01 = a[1], a02 = a[2], a03 = a[3],
- a12 = a[6], a13 = a[7],
- a23 = a[11];
-
- out[1] = a[4];
- out[2] = a[8];
- out[3] = a[12];
- out[4] = a01;
- out[6] = a[9];
- out[7] = a[13];
- out[8] = a02;
- out[9] = a12;
- out[11] = a[14];
- out[12] = a03;
- out[13] = a13;
- out[14] = a23;
- } else {
- out[0] = a[0];
- out[1] = a[4];
- out[2] = a[8];
- out[3] = a[12];
- out[4] = a[1];
- out[5] = a[5];
- out[6] = a[9];
- out[7] = a[13];
- out[8] = a[2];
- out[9] = a[6];
- out[10] = a[10];
- out[11] = a[14];
- out[12] = a[3];
- out[13] = a[7];
- out[14] = a[11];
- out[15] = a[15];
- }
-
- return out;
-};
-
-/**
- * Inverts a mat4
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.invert = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
-
- b00 = a00 * a11 - a01 * a10,
- b01 = a00 * a12 - a02 * a10,
- b02 = a00 * a13 - a03 * a10,
- b03 = a01 * a12 - a02 * a11,
- b04 = a01 * a13 - a03 * a11,
- b05 = a02 * a13 - a03 * a12,
- b06 = a20 * a31 - a21 * a30,
- b07 = a20 * a32 - a22 * a30,
- b08 = a20 * a33 - a23 * a30,
- b09 = a21 * a32 - a22 * a31,
- b10 = a21 * a33 - a23 * a31,
- b11 = a22 * a33 - a23 * a32,
-
- // Calculate the determinant
- det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
- out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
- out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
- out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det;
- out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
- out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
- out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
- out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det;
- out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
- out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
- out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
- out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det;
- out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det;
- out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det;
- out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det;
- out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det;
-
- return out;
-};
-
-/**
- * Calculates the adjugate of a mat4
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.adjoint = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
-
- out[0] = (a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22));
- out[1] = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22));
- out[2] = (a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12));
- out[3] = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12));
- out[4] = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22));
- out[5] = (a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22));
- out[6] = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12));
- out[7] = (a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12));
- out[8] = (a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21));
- out[9] = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21));
- out[10] = (a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11));
- out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11));
- out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21));
- out[13] = (a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21));
- out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11));
- out[15] = (a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11));
- return out;
-};
-
-/**
- * Calculates the determinant of a mat4
- *
- * @param {mat4} a the source matrix
- * @returns {Number} determinant of a
- */
-mat4.determinant = function (a) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
-
- b00 = a00 * a11 - a01 * a10,
- b01 = a00 * a12 - a02 * a10,
- b02 = a00 * a13 - a03 * a10,
- b03 = a01 * a12 - a02 * a11,
- b04 = a01 * a13 - a03 * a11,
- b05 = a02 * a13 - a03 * a12,
- b06 = a20 * a31 - a21 * a30,
- b07 = a20 * a32 - a22 * a30,
- b08 = a20 * a33 - a23 * a30,
- b09 = a21 * a32 - a22 * a31,
- b10 = a21 * a33 - a23 * a31,
- b11 = a22 * a33 - a23 * a32;
-
- // Calculate the determinant
- return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
-};
-
-/**
- * Multiplies two mat4's
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the first operand
- * @param {mat4} b the second operand
- * @returns {mat4} out
- */
-mat4.multiply = function (out, a, b) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
-
- // Cache only the current line of the second matrix
- var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
- out[0] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[1] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[2] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[3] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
-
- b0 = b[4]; b1 = b[5]; b2 = b[6]; b3 = b[7];
- out[4] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[5] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[6] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[7] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
-
- b0 = b[8]; b1 = b[9]; b2 = b[10]; b3 = b[11];
- out[8] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[9] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[10] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[11] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
-
- b0 = b[12]; b1 = b[13]; b2 = b[14]; b3 = b[15];
- out[12] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[13] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[14] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[15] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
- return out;
-};
-
-/**
- * Alias for {@link mat4.multiply}
- * @function
- */
-mat4.mul = mat4.multiply;
-
-/**
- * Translate a mat4 by the given vector
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to translate
- * @param {vec3} v vector to translate by
- * @returns {mat4} out
- */
-mat4.translate = function (out, a, v) {
- var x = v[0], y = v[1], z = v[2],
- a00, a01, a02, a03,
- a10, a11, a12, a13,
- a20, a21, a22, a23;
-
- if (a === out) {
- out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
- out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
- out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];
- out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];
- } else {
- a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
- a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
- a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
-
- out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03;
- out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13;
- out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23;
-
- out[12] = a00 * x + a10 * y + a20 * z + a[12];
- out[13] = a01 * x + a11 * y + a21 * z + a[13];
- out[14] = a02 * x + a12 * y + a22 * z + a[14];
- out[15] = a03 * x + a13 * y + a23 * z + a[15];
- }
-
- return out;
-};
-
-/**
- * Scales the mat4 by the dimensions in the given vec3
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to scale
- * @param {vec3} v the vec3 to scale the matrix by
- * @returns {mat4} out
- **/
-mat4.scale = function(out, a, v) {
- var x = v[0], y = v[1], z = v[2];
-
- out[0] = a[0] * x;
- out[1] = a[1] * x;
- out[2] = a[2] * x;
- out[3] = a[3] * x;
- out[4] = a[4] * y;
- out[5] = a[5] * y;
- out[6] = a[6] * y;
- out[7] = a[7] * y;
- out[8] = a[8] * z;
- out[9] = a[9] * z;
- out[10] = a[10] * z;
- out[11] = a[11] * z;
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- return out;
-};
-
-/**
- * Rotates a mat4 by the given angle
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @param {vec3} axis the axis to rotate around
- * @returns {mat4} out
- */
-mat4.rotate = function (out, a, rad, axis) {
- var x = axis[0], y = axis[1], z = axis[2],
- len = Math.sqrt(x * x + y * y + z * z),
- s, c, t,
- a00, a01, a02, a03,
- a10, a11, a12, a13,
- a20, a21, a22, a23,
- b00, b01, b02,
- b10, b11, b12,
- b20, b21, b22;
-
- if (Math.abs(len) < GLMAT_EPSILON) { return null; }
-
- len = 1 / len;
- x *= len;
- y *= len;
- z *= len;
-
- s = Math.sin(rad);
- c = Math.cos(rad);
- t = 1 - c;
-
- a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
- a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
- a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
-
- // Construct the elements of the rotation matrix
- b00 = x * x * t + c; b01 = y * x * t + z * s; b02 = z * x * t - y * s;
- b10 = x * y * t - z * s; b11 = y * y * t + c; b12 = z * y * t + x * s;
- b20 = x * z * t + y * s; b21 = y * z * t - x * s; b22 = z * z * t + c;
-
- // Perform rotation-specific matrix multiplication
- out[0] = a00 * b00 + a10 * b01 + a20 * b02;
- out[1] = a01 * b00 + a11 * b01 + a21 * b02;
- out[2] = a02 * b00 + a12 * b01 + a22 * b02;
- out[3] = a03 * b00 + a13 * b01 + a23 * b02;
- out[4] = a00 * b10 + a10 * b11 + a20 * b12;
- out[5] = a01 * b10 + a11 * b11 + a21 * b12;
- out[6] = a02 * b10 + a12 * b11 + a22 * b12;
- out[7] = a03 * b10 + a13 * b11 + a23 * b12;
- out[8] = a00 * b20 + a10 * b21 + a20 * b22;
- out[9] = a01 * b20 + a11 * b21 + a21 * b22;
- out[10] = a02 * b20 + a12 * b21 + a22 * b22;
- out[11] = a03 * b20 + a13 * b21 + a23 * b22;
-
- if (a !== out) { // If the source and destination differ, copy the unchanged last row
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
- return out;
-};
-
-/**
- * Rotates a matrix by the given angle around the X axis
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat4} out
- */
-mat4.rotateX = function (out, a, rad) {
- var s = Math.sin(rad),
- c = Math.cos(rad),
- a10 = a[4],
- a11 = a[5],
- a12 = a[6],
- a13 = a[7],
- a20 = a[8],
- a21 = a[9],
- a22 = a[10],
- a23 = a[11];
-
- if (a !== out) { // If the source and destination differ, copy the unchanged rows
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
-
- // Perform axis-specific matrix multiplication
- out[4] = a10 * c + a20 * s;
- out[5] = a11 * c + a21 * s;
- out[6] = a12 * c + a22 * s;
- out[7] = a13 * c + a23 * s;
- out[8] = a20 * c - a10 * s;
- out[9] = a21 * c - a11 * s;
- out[10] = a22 * c - a12 * s;
- out[11] = a23 * c - a13 * s;
- return out;
-};
-
-/**
- * Rotates a matrix by the given angle around the Y axis
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat4} out
- */
-mat4.rotateY = function (out, a, rad) {
- var s = Math.sin(rad),
- c = Math.cos(rad),
- a00 = a[0],
- a01 = a[1],
- a02 = a[2],
- a03 = a[3],
- a20 = a[8],
- a21 = a[9],
- a22 = a[10],
- a23 = a[11];
-
- if (a !== out) { // If the source and destination differ, copy the unchanged rows
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
-
- // Perform axis-specific matrix multiplication
- out[0] = a00 * c - a20 * s;
- out[1] = a01 * c - a21 * s;
- out[2] = a02 * c - a22 * s;
- out[3] = a03 * c - a23 * s;
- out[8] = a00 * s + a20 * c;
- out[9] = a01 * s + a21 * c;
- out[10] = a02 * s + a22 * c;
- out[11] = a03 * s + a23 * c;
- return out;
-};
-
-/**
- * Rotates a matrix by the given angle around the Z axis
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat4} out
- */
-mat4.rotateZ = function (out, a, rad) {
- var s = Math.sin(rad),
- c = Math.cos(rad),
- a00 = a[0],
- a01 = a[1],
- a02 = a[2],
- a03 = a[3],
- a10 = a[4],
- a11 = a[5],
- a12 = a[6],
- a13 = a[7];
-
- if (a !== out) { // If the source and destination differ, copy the unchanged last row
- out[8] = a[8];
- out[9] = a[9];
- out[10] = a[10];
- out[11] = a[11];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
-
- // Perform axis-specific matrix multiplication
- out[0] = a00 * c + a10 * s;
- out[1] = a01 * c + a11 * s;
- out[2] = a02 * c + a12 * s;
- out[3] = a03 * c + a13 * s;
- out[4] = a10 * c - a00 * s;
- out[5] = a11 * c - a01 * s;
- out[6] = a12 * c - a02 * s;
- out[7] = a13 * c - a03 * s;
- return out;
-};
-
-/**
- * Creates a matrix from a quaternion rotation and vector translation
- * This is equivalent to (but much faster than):
- *
- * mat4.identity(dest);
- * mat4.translate(dest, vec);
- * var quatMat = mat4.create();
- * quat4.toMat4(quat, quatMat);
- * mat4.multiply(dest, quatMat);
- *
- * @param {mat4} out mat4 receiving operation result
- * @param {quat4} q Rotation quaternion
- * @param {vec3} v Translation vector
- * @returns {mat4} out
- */
-mat4.fromRotationTranslation = function (out, q, v) {
- // Quaternion math
- var x = q[0], y = q[1], z = q[2], w = q[3],
- x2 = x + x,
- y2 = y + y,
- z2 = z + z,
-
- xx = x * x2,
- xy = x * y2,
- xz = x * z2,
- yy = y * y2,
- yz = y * z2,
- zz = z * z2,
- wx = w * x2,
- wy = w * y2,
- wz = w * z2;
-
- out[0] = 1 - (yy + zz);
- out[1] = xy + wz;
- out[2] = xz - wy;
- out[3] = 0;
- out[4] = xy - wz;
- out[5] = 1 - (xx + zz);
- out[6] = yz + wx;
- out[7] = 0;
- out[8] = xz + wy;
- out[9] = yz - wx;
- out[10] = 1 - (xx + yy);
- out[11] = 0;
- out[12] = v[0];
- out[13] = v[1];
- out[14] = v[2];
- out[15] = 1;
-
- return out;
-};
-
-mat4.fromQuat = function (out, q) {
- var x = q[0], y = q[1], z = q[2], w = q[3],
- x2 = x + x,
- y2 = y + y,
- z2 = z + z,
-
- xx = x * x2,
- yx = y * x2,
- yy = y * y2,
- zx = z * x2,
- zy = z * y2,
- zz = z * z2,
- wx = w * x2,
- wy = w * y2,
- wz = w * z2;
-
- out[0] = 1 - yy - zz;
- out[1] = yx + wz;
- out[2] = zx - wy;
- out[3] = 0;
-
- out[4] = yx - wz;
- out[5] = 1 - xx - zz;
- out[6] = zy + wx;
- out[7] = 0;
-
- out[8] = zx + wy;
- out[9] = zy - wx;
- out[10] = 1 - xx - yy;
- out[11] = 0;
-
- out[12] = 0;
- out[13] = 0;
- out[14] = 0;
- out[15] = 1;
-
- return out;
-};
-
-/**
- * Generates a frustum matrix with the given bounds
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {Number} left Left bound of the frustum
- * @param {Number} right Right bound of the frustum
- * @param {Number} bottom Bottom bound of the frustum
- * @param {Number} top Top bound of the frustum
- * @param {Number} near Near bound of the frustum
- * @param {Number} far Far bound of the frustum
- * @returns {mat4} out
- */
-mat4.frustum = function (out, left, right, bottom, top, near, far) {
- var rl = 1 / (right - left),
- tb = 1 / (top - bottom),
- nf = 1 / (near - far);
- out[0] = (near * 2) * rl;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = (near * 2) * tb;
- out[6] = 0;
- out[7] = 0;
- out[8] = (right + left) * rl;
- out[9] = (top + bottom) * tb;
- out[10] = (far + near) * nf;
- out[11] = -1;
- out[12] = 0;
- out[13] = 0;
- out[14] = (far * near * 2) * nf;
- out[15] = 0;
- return out;
-};
-
-/**
- * Generates a perspective projection matrix with the given bounds
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {number} fovy Vertical field of view in radians
- * @param {number} aspect Aspect ratio. typically viewport width/height
- * @param {number} near Near bound of the frustum
- * @param {number} far Far bound of the frustum
- * @returns {mat4} out
- */
-mat4.perspective = function (out, fovy, aspect, near, far) {
- var f = 1.0 / Math.tan(fovy / 2),
- nf = 1 / (near - far);
- out[0] = f / aspect;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = f;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = (far + near) * nf;
- out[11] = -1;
- out[12] = 0;
- out[13] = 0;
- out[14] = (2 * far * near) * nf;
- out[15] = 0;
- return out;
-};
-
-/**
- * Generates a orthogonal projection matrix with the given bounds
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {number} left Left bound of the frustum
- * @param {number} right Right bound of the frustum
- * @param {number} bottom Bottom bound of the frustum
- * @param {number} top Top bound of the frustum
- * @param {number} near Near bound of the frustum
- * @param {number} far Far bound of the frustum
- * @returns {mat4} out
- */
-mat4.ortho = function (out, left, right, bottom, top, near, far) {
- var lr = 1 / (left - right),
- bt = 1 / (bottom - top),
- nf = 1 / (near - far);
- out[0] = -2 * lr;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = -2 * bt;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = 2 * nf;
- out[11] = 0;
- out[12] = (left + right) * lr;
- out[13] = (top + bottom) * bt;
- out[14] = (far + near) * nf;
- out[15] = 1;
- return out;
-};
-
-/**
- * Generates a look-at matrix with the given eye position, focal point, and up axis
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {vec3} eye Position of the viewer
- * @param {vec3} center Point the viewer is looking at
- * @param {vec3} up vec3 pointing up
- * @returns {mat4} out
- */
-mat4.lookAt = function (out, eye, center, up) {
- var x0, x1, x2, y0, y1, y2, z0, z1, z2, len,
- eyex = eye[0],
- eyey = eye[1],
- eyez = eye[2],
- upx = up[0],
- upy = up[1],
- upz = up[2],
- centerx = center[0],
- centery = center[1],
- centerz = center[2];
-
- if (Math.abs(eyex - centerx) < GLMAT_EPSILON &&
- Math.abs(eyey - centery) < GLMAT_EPSILON &&
- Math.abs(eyez - centerz) < GLMAT_EPSILON) {
- return mat4.identity(out);
- }
-
- z0 = eyex - centerx;
- z1 = eyey - centery;
- z2 = eyez - centerz;
-
- len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2);
- z0 *= len;
- z1 *= len;
- z2 *= len;
-
- x0 = upy * z2 - upz * z1;
- x1 = upz * z0 - upx * z2;
- x2 = upx * z1 - upy * z0;
- len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2);
- if (!len) {
- x0 = 0;
- x1 = 0;
- x2 = 0;
- } else {
- len = 1 / len;
- x0 *= len;
- x1 *= len;
- x2 *= len;
- }
-
- y0 = z1 * x2 - z2 * x1;
- y1 = z2 * x0 - z0 * x2;
- y2 = z0 * x1 - z1 * x0;
-
- len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2);
- if (!len) {
- y0 = 0;
- y1 = 0;
- y2 = 0;
- } else {
- len = 1 / len;
- y0 *= len;
- y1 *= len;
- y2 *= len;
- }
-
- out[0] = x0;
- out[1] = y0;
- out[2] = z0;
- out[3] = 0;
- out[4] = x1;
- out[5] = y1;
- out[6] = z1;
- out[7] = 0;
- out[8] = x2;
- out[9] = y2;
- out[10] = z2;
- out[11] = 0;
- out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez);
- out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez);
- out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez);
- out[15] = 1;
-
- return out;
-};
-
-/**
- * Returns a string representation of a mat4
- *
- * @param {mat4} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat4.str = function (a) {
- return 'mat4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' +
- a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' +
- a[8] + ', ' + a[9] + ', ' + a[10] + ', ' + a[11] + ', ' +
- a[12] + ', ' + a[13] + ', ' + a[14] + ', ' + a[15] + ')';
-};
-
-/**
- * Returns Frobenius norm of a mat4
- *
- * @param {mat4} a the matrix to calculate Frobenius norm of
- * @returns {Number} Frobenius norm
- */
-mat4.frob = function (a) {
- return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2) + Math.pow(a[9], 2) + Math.pow(a[10], 2) + Math.pow(a[11], 2) + Math.pow(a[12], 2) + Math.pow(a[13], 2) + Math.pow(a[14], 2) + Math.pow(a[15], 2) ));
-};
-
-
-if(typeof(exports) !== 'undefined') {
- exports.mat4 = mat4;
-}
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class Quaternion
- * @name quat
- */
-
-var quat = {};
-
-/**
- * Creates a new identity quat
- *
- * @returns {quat} a new quaternion
- */
-quat.create = function() {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Sets a quaternion to represent the shortest rotation from one
- * vector to another.
- *
- * Both vectors are assumed to be unit length.
- *
- * @param {quat} out the receiving quaternion.
- * @param {vec3} a the initial vector
- * @param {vec3} b the destination vector
- * @returns {quat} out
- */
-quat.rotationTo = (function() {
- var tmpvec3 = vec3.create();
- var xUnitVec3 = vec3.fromValues(1,0,0);
- var yUnitVec3 = vec3.fromValues(0,1,0);
-
- return function(out, a, b) {
- var dot = vec3.dot(a, b);
- if (dot < -0.999999) {
- vec3.cross(tmpvec3, xUnitVec3, a);
- if (vec3.length(tmpvec3) < 0.000001)
- vec3.cross(tmpvec3, yUnitVec3, a);
- vec3.normalize(tmpvec3, tmpvec3);
- quat.setAxisAngle(out, tmpvec3, Math.PI);
- return out;
- } else if (dot > 0.999999) {
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
- } else {
- vec3.cross(tmpvec3, a, b);
- out[0] = tmpvec3[0];
- out[1] = tmpvec3[1];
- out[2] = tmpvec3[2];
- out[3] = 1 + dot;
- return quat.normalize(out, out);
- }
- };
-})();
-
-/**
- * Sets the specified quaternion with values corresponding to the given
- * axes. Each axis is a vec3 and is expected to be unit length and
- * perpendicular to all other specified axes.
- *
- * @param {vec3} view the vector representing the viewing direction
- * @param {vec3} right the vector representing the local "right" direction
- * @param {vec3} up the vector representing the local "up" direction
- * @returns {quat} out
- */
-quat.setAxes = (function() {
- var matr = mat3.create();
-
- return function(out, view, right, up) {
- matr[0] = right[0];
- matr[3] = right[1];
- matr[6] = right[2];
-
- matr[1] = up[0];
- matr[4] = up[1];
- matr[7] = up[2];
-
- matr[2] = -view[0];
- matr[5] = -view[1];
- matr[8] = -view[2];
-
- return quat.normalize(out, quat.fromMat3(out, matr));
- };
-})();
-
-/**
- * Creates a new quat initialized with values from an existing quaternion
- *
- * @param {quat} a quaternion to clone
- * @returns {quat} a new quaternion
- * @function
- */
-quat.clone = vec4.clone;
-
-/**
- * Creates a new quat initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {quat} a new quaternion
- * @function
- */
-quat.fromValues = vec4.fromValues;
-
-/**
- * Copy the values from one quat to another
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the source quaternion
- * @returns {quat} out
- * @function
- */
-quat.copy = vec4.copy;
-
-/**
- * Set the components of a quat to the given values
- *
- * @param {quat} out the receiving quaternion
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {quat} out
- * @function
- */
-quat.set = vec4.set;
-
-/**
- * Set a quat to the identity quaternion
- *
- * @param {quat} out the receiving quaternion
- * @returns {quat} out
- */
-quat.identity = function(out) {
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Sets a quat from the given angle and rotation axis,
- * then returns it.
- *
- * @param {quat} out the receiving quaternion
- * @param {vec3} axis the axis around which to rotate
- * @param {Number} rad the angle in radians
- * @returns {quat} out
- **/
-quat.setAxisAngle = function(out, axis, rad) {
- rad = rad * 0.5;
- var s = Math.sin(rad);
- out[0] = s * axis[0];
- out[1] = s * axis[1];
- out[2] = s * axis[2];
- out[3] = Math.cos(rad);
- return out;
-};
-
-/**
- * Adds two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {quat} out
- * @function
- */
-quat.add = vec4.add;
-
-/**
- * Multiplies two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {quat} out
- */
-quat.multiply = function(out, a, b) {
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bx = b[0], by = b[1], bz = b[2], bw = b[3];
-
- out[0] = ax * bw + aw * bx + ay * bz - az * by;
- out[1] = ay * bw + aw * by + az * bx - ax * bz;
- out[2] = az * bw + aw * bz + ax * by - ay * bx;
- out[3] = aw * bw - ax * bx - ay * by - az * bz;
- return out;
-};
-
-/**
- * Alias for {@link quat.multiply}
- * @function
- */
-quat.mul = quat.multiply;
-
-/**
- * Scales a quat by a scalar number
- *
- * @param {quat} out the receiving vector
- * @param {quat} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {quat} out
- * @function
- */
-quat.scale = vec4.scale;
-
-/**
- * Rotates a quaternion by the given angle about the X axis
- *
- * @param {quat} out quat receiving operation result
- * @param {quat} a quat to rotate
- * @param {number} rad angle (in radians) to rotate
- * @returns {quat} out
- */
-quat.rotateX = function (out, a, rad) {
- rad *= 0.5;
-
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bx = Math.sin(rad), bw = Math.cos(rad);
-
- out[0] = ax * bw + aw * bx;
- out[1] = ay * bw + az * bx;
- out[2] = az * bw - ay * bx;
- out[3] = aw * bw - ax * bx;
- return out;
-};
-
-/**
- * Rotates a quaternion by the given angle about the Y axis
- *
- * @param {quat} out quat receiving operation result
- * @param {quat} a quat to rotate
- * @param {number} rad angle (in radians) to rotate
- * @returns {quat} out
- */
-quat.rotateY = function (out, a, rad) {
- rad *= 0.5;
-
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- by = Math.sin(rad), bw = Math.cos(rad);
-
- out[0] = ax * bw - az * by;
- out[1] = ay * bw + aw * by;
- out[2] = az * bw + ax * by;
- out[3] = aw * bw - ay * by;
- return out;
-};
-
-/**
- * Rotates a quaternion by the given angle about the Z axis
- *
- * @param {quat} out quat receiving operation result
- * @param {quat} a quat to rotate
- * @param {number} rad angle (in radians) to rotate
- * @returns {quat} out
- */
-quat.rotateZ = function (out, a, rad) {
- rad *= 0.5;
-
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bz = Math.sin(rad), bw = Math.cos(rad);
-
- out[0] = ax * bw + ay * bz;
- out[1] = ay * bw - ax * bz;
- out[2] = az * bw + aw * bz;
- out[3] = aw * bw - az * bz;
- return out;
-};
-
-/**
- * Calculates the W component of a quat from the X, Y, and Z components.
- * Assumes that quaternion is 1 unit in length.
- * Any existing W component will be ignored.
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quat to calculate W component of
- * @returns {quat} out
- */
-quat.calculateW = function (out, a) {
- var x = a[0], y = a[1], z = a[2];
-
- out[0] = x;
- out[1] = y;
- out[2] = z;
- out[3] = -Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z));
- return out;
-};
-
-/**
- * Calculates the dot product of two quat's
- *
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {Number} dot product of a and b
- * @function
- */
-quat.dot = vec4.dot;
-
-/**
- * Performs a linear interpolation between two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {quat} out
- * @function
- */
-quat.lerp = vec4.lerp;
-
-/**
- * Performs a spherical linear interpolation between two quat
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {quat} out
- */
-quat.slerp = function (out, a, b, t) {
- // benchmarks:
- // http://jsperf.com/quaternion-slerp-implementations
-
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bx = b[0], by = b[1], bz = b[2], bw = b[3];
-
- var omega, cosom, sinom, scale0, scale1;
-
- // calc cosine
- cosom = ax * bx + ay * by + az * bz + aw * bw;
- // adjust signs (if necessary)
- if ( cosom < 0.0 ) {
- cosom = -cosom;
- bx = - bx;
- by = - by;
- bz = - bz;
- bw = - bw;
- }
- // calculate coefficients
- if ( (1.0 - cosom) > 0.000001 ) {
- // standard case (slerp)
- omega = Math.acos(cosom);
- sinom = Math.sin(omega);
- scale0 = Math.sin((1.0 - t) * omega) / sinom;
- scale1 = Math.sin(t * omega) / sinom;
- } else {
- // "from" and "to" quaternions are very close
- // ... so we can do a linear interpolation
- scale0 = 1.0 - t;
- scale1 = t;
- }
- // calculate final values
- out[0] = scale0 * ax + scale1 * bx;
- out[1] = scale0 * ay + scale1 * by;
- out[2] = scale0 * az + scale1 * bz;
- out[3] = scale0 * aw + scale1 * bw;
-
- return out;
-};
-
-/**
- * Calculates the inverse of a quat
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quat to calculate inverse of
- * @returns {quat} out
- */
-quat.invert = function(out, a) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
- dot = a0*a0 + a1*a1 + a2*a2 + a3*a3,
- invDot = dot ? 1.0/dot : 0;
-
- // TODO: Would be faster to return [0,0,0,0] immediately if dot == 0
-
- out[0] = -a0*invDot;
- out[1] = -a1*invDot;
- out[2] = -a2*invDot;
- out[3] = a3*invDot;
- return out;
-};
-
-/**
- * Calculates the conjugate of a quat
- * If the quaternion is normalized, this function is faster than quat.inverse and produces the same result.
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quat to calculate conjugate of
- * @returns {quat} out
- */
-quat.conjugate = function (out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- out[2] = -a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Calculates the length of a quat
- *
- * @param {quat} a vector to calculate length of
- * @returns {Number} length of a
- * @function
- */
-quat.length = vec4.length;
-
-/**
- * Alias for {@link quat.length}
- * @function
- */
-quat.len = quat.length;
-
-/**
- * Calculates the squared length of a quat
- *
- * @param {quat} a vector to calculate squared length of
- * @returns {Number} squared length of a
- * @function
- */
-quat.squaredLength = vec4.squaredLength;
-
-/**
- * Alias for {@link quat.squaredLength}
- * @function
- */
-quat.sqrLen = quat.squaredLength;
-
-/**
- * Normalize a quat
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quaternion to normalize
- * @returns {quat} out
- * @function
- */
-quat.normalize = vec4.normalize;
-
-/**
- * Creates a quaternion from the given 3x3 rotation matrix.
- *
- * NOTE: The resultant quaternion is not normalized, so you should be sure
- * to renormalize the quaternion yourself where necessary.
- *
- * @param {quat} out the receiving quaternion
- * @param {mat3} m rotation matrix
- * @returns {quat} out
- * @function
- */
-quat.fromMat3 = function(out, m) {
- // Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes
- // article "Quaternion Calculus and Fast Animation".
- var fTrace = m[0] + m[4] + m[8];
- var fRoot;
-
- if ( fTrace > 0.0 ) {
- // |w| > 1/2, may as well choose w > 1/2
- fRoot = Math.sqrt(fTrace + 1.0); // 2w
- out[3] = 0.5 * fRoot;
- fRoot = 0.5/fRoot; // 1/(4w)
- out[0] = (m[7]-m[5])*fRoot;
- out[1] = (m[2]-m[6])*fRoot;
- out[2] = (m[3]-m[1])*fRoot;
- } else {
- // |w| <= 1/2
- var i = 0;
- if ( m[4] > m[0] )
- i = 1;
- if ( m[8] > m[i*3+i] )
- i = 2;
- var j = (i+1)%3;
- var k = (i+2)%3;
-
- fRoot = Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k] + 1.0);
- out[i] = 0.5 * fRoot;
- fRoot = 0.5 / fRoot;
- out[3] = (m[k*3+j] - m[j*3+k]) * fRoot;
- out[j] = (m[j*3+i] + m[i*3+j]) * fRoot;
- out[k] = (m[k*3+i] + m[i*3+k]) * fRoot;
- }
-
- return out;
-};
-
-/**
- * Returns a string representation of a quatenion
- *
- * @param {quat} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-quat.str = function (a) {
- return 'quat(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.quat = quat;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- })(shim.exports);
-})(this);
diff --git a/js/animation/timing-functions.js b/js/animation/timing-functions.js
deleted file mode 100644
index a34fb114e2..0000000000
--- a/js/animation/timing-functions.js
+++ /dev/null
@@ -1,34 +0,0 @@
-(function(window) {
-
- // Namespace
- ionic.Animation = ionic.Animation || {};
-
-
- ionic.Animation.TimingFn = {
- 'linear': function(duration) {
- return function(t) {
- return ionic.Animation.Bezier.linear(t, duration);
- };
- },
- 'ease': function(duration) {
- return function(t) {
- return ionic.Animation.Bezier.ease(t, duration);
- };
- },
- 'ease-in': function(duration) {
- return function(t) {
- return ionic.Animation.Bezier.easeIn(t, duration);
- };
- },
- 'ease-out': function(duration) {
- return function(t) {
- return ionic.Animation.Bezier.easeOut(t, duration);
- };
- },
- 'ease-in-out': function(duration) {
- return function(t) {
- return ionic.Animation.Bezier.easeInOut(t, duration);
- };
- }
- };
-})(window);
diff --git a/test/html/animation.html b/test/html/animation.html
deleted file mode 100644
index 60f5cd535a..0000000000
--- a/test/html/animation.html
+++ /dev/null
@@ -1,121 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-