Home
Diffusion Pillar (tmp-video-endcard) Browse

pillar/src/scripts/vrview-analytics.js
d8686e5a14a6tmp-video-endcard

Last Change
Raw File

vrview-analytics.js
View Options

This file is larger than 256 KB, so syntax highlighting was skipped.
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
(function (process,global){
/*!
* @overview es6-promise - a tiny implementation of Promises/A+.
* @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald)
* @license Licensed under MIT license
* See https://raw.githubusercontent.com/jakearchibald/es6-promise/master/LICENSE
* @version 3.1.2
*/
(function(){"use strict";function t(t){return"function"==typeof t||"object"==typeof t&&null!==t}function e(t){return"function"==typeof t}function n(t){W=t}function r(t){H=t}function o(){return function(){process.nextTick(a)}}function i(){return function(){U(a)}}function s(){var t=0,e=new Q(a),n=document.createTextNode("");return e.observe(n,{characterData:!0}),function(){n.data=t=++t%2}}function u(){var t=new MessageChannel;return t.port1.onmessage=a,function(){t.port2.postMessage(0)}}function c(){return function(){setTimeout(a,1)}}function a(){for(var t=0;G>t;t+=2){var e=X[t],n=X[t+1];e(n),X[t]=void 0,X[t+1]=void 0}G=0}function f(){try{var t=_dereq_,e=t("vertx");return U=e.runOnLoop||e.runOnContext,i()}catch(n){return c()}}function l(t,e){var n=this,r=n._state;if(r===et&&!t||r===nt&&!e)return this;var o=new this.constructor(p),i=n._result;if(r){var s=arguments[r-1];H(function(){C(r,o,s,i)})}else j(n,o,t,e);return o}function h(t){var e=this;if(t&&"object"==typeof t&&t.constructor===e)return t;var n=new e(p);return g(n,t),n}function p(){}function _(){return new TypeError("You cannot resolve a promise with itself")}function v(){return new TypeError("A promises callback cannot return that same promise.")}function d(t){try{return t.then}catch(e){return rt.error=e,rt}}function y(t,e,n,r){try{t.call(e,n,r)}catch(o){return o}}function m(t,e,n){H(function(t){var r=!1,o=y(n,e,function(n){r||(r=!0,e!==n?g(t,n):E(t,n))},function(e){r||(r=!0,S(t,e))},"Settle: "+(t._label||" unknown promise"));!r&&o&&(r=!0,S(t,o))},t)}function w(t,e){e._state===et?E(t,e._result):e._state===nt?S(t,e._result):j(e,void 0,function(e){g(t,e)},function(e){S(t,e)})}function b(t,n,r){n.constructor===t.constructor&&r===Z&&constructor.resolve===$?w(t,n):r===rt?S(t,rt.error):void 0===r?E(t,n):e(r)?m(t,n,r):E(t,n)}function g(e,n){e===n?S(e,_()):t(n)?b(e,n,d(n)):E(e,n)}function A(t){t._onerror&&t._onerror(t._result),T(t)}function E(t,e){t._state===tt&&(t._result=e,t._state=et,0!==t._subscribers.length&&H(T,t))}function S(t,e){t._state===tt&&(t._state=nt,t._result=e,H(A,t))}function j(t,e,n,r){var o=t._subscribers,i=o.length;t._onerror=null,o[i]=e,o[i+et]=n,o[i+nt]=r,0===i&&t._state&&H(T,t)}function T(t){var e=t._subscribers,n=t._state;if(0!==e.length){for(var r,o,i=t._result,s=0;s<e.length;s+=3)r=e[s],o=e[s+n],r?C(n,r,o,i):o(i);t._subscribers.length=0}}function P(){this.error=null}function x(t,e){try{return t(e)}catch(n){return ot.error=n,ot}}function C(t,n,r,o){var i,s,u,c,a=e(r);if(a){if(i=x(r,o),i===ot?(c=!0,s=i.error,i=null):u=!0,n===i)return void S(n,v())}else i=o,u=!0;n._state!==tt||(a&&u?g(n,i):c?S(n,s):t===et?E(n,i):t===nt&&S(n,i))}function M(t,e){try{e(function(e){g(t,e)},function(e){S(t,e)})}catch(n){S(t,n)}}function O(t){return new ft(this,t).promise}function k(t){function e(t){g(o,t)}function n(t){S(o,t)}var r=this,o=new r(p);if(!B(t))return S(o,new TypeError("You must pass an array to race.")),o;for(var i=t.length,s=0;o._state===tt&&i>s;s++)j(r.resolve(t[s]),void 0,e,n);return o}function Y(t){var e=this,n=new e(p);return S(n,t),n}function q(){throw new TypeError("You must pass a resolver function as the first argument to the promise constructor")}function F(){throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.")}function D(t){this._id=ct++,this._state=void 0,this._result=void 0,this._subscribers=[],p!==t&&("function"!=typeof t&&q(),this instanceof D?M(this,t):F())}function K(t,e){this._instanceConstructor=t,this.promise=new t(p),Array.isArray(e)?(this._input=e,this.length=e.length,this._remaining=e.length,this._result=new Array(this.length),0===this.length?E(this.promise,this._result):(this.length=this.length||0,this._enumerate(),0===this._remaining&&E(this.promise,this._result))):S(this.promise,this._validationError())}function L(){var t;if("undefined"!=typeof global)t=global;else if("undefined"!=typeof self)t=self;else try{t=Function("return this")()}catch(e){throw new Error("polyfill failed because global object is unavailable in this environment")}var n=t.Promise;(!n||"[object Promise]"!==Object.prototype.toString.call(n.resolve())||n.cast)&&(t.Promise=at)}var N;N=Array.isArray?Array.isArray:function(t){return"[object Array]"===Object.prototype.toString.call(t)};var U,W,z,B=N,G=0,H=function(t,e){X[G]=t,X[G+1]=e,G+=2,2===G&&(W?W(a):z())},I="undefined"!=typeof window?window:void 0,J=I||{},Q=J.MutationObserver||J.WebKitMutationObserver,R="undefined"!=typeof process&&"[object process]"==={}.toString.call(process),V="undefined"!=typeof Uint8ClampedArray&&"undefined"!=typeof importScripts&&"undefined"!=typeof MessageChannel,X=new Array(1e3);z=R?o():Q?s():V?u():void 0===I&&"function"==typeof _dereq_?f():c();var Z=l,$=h,tt=void 0,et=1,nt=2,rt=new P,ot=new P,it=O,st=k,ut=Y,ct=0,at=D;D.all=it,D.race=st,D.resolve=$,D.reject=ut,D._setScheduler=n,D._setAsap=r,D._asap=H,D.prototype={constructor:D,then:Z,"catch":function(t){return this.then(null,t)}};var ft=K;K.prototype._validationError=function(){return new Error("Array Methods must be provided an Array")},K.prototype._enumerate=function(){for(var t=this.length,e=this._input,n=0;this._state===tt&&t>n;n++)this._eachEntry(e[n],n)},K.prototype._eachEntry=function(t,e){var n=this._instanceConstructor,r=n.resolve;if(r===$){var o=d(t);if(o===Z&&t._state!==tt)this._settledAt(t._state,e,t._result);else if("function"!=typeof o)this._remaining--,this._result[e]=t;else if(n===at){var i=new n(p);b(i,t,o),this._willSettleAt(i,e)}else this._willSettleAt(new n(function(e){e(t)}),e)}else this._willSettleAt(r(t),e)},K.prototype._settledAt=function(t,e,n){var r=this.promise;r._state===tt&&(this._remaining--,t===nt?S(r,n):this._result[e]=n),0===this._remaining&&E(r,this._result)},K.prototype._willSettleAt=function(t,e){var n=this;j(t,void 0,function(t){n._settledAt(et,e,t)},function(t){n._settledAt(nt,e,t)})};var lt=L,ht={Promise:at,polyfill:lt};"function"==typeof define&&define.amd?define(function(){return ht}):"undefined"!=typeof module&&module.exports?module.exports=ht:"undefined"!=typeof this&&(this.ES6Promise=ht),lt()}).call(this);
}).call(this,_dereq_('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"_process":20}],2:[function(_dereq_,module,exports){
// stats.js - http://github.com/mrdoob/stats.js
var Stats=function(){var l=Date.now(),m=l,g=0,n=Infinity,o=0,h=0,p=Infinity,q=0,r=0,s=0,f=document.createElement("div");f.id="stats";f.addEventListener("mousedown",function(b){b.preventDefault();t(++s%2)},!1);f.style.cssText="width:80px;opacity:0.9;cursor:pointer";var a=document.createElement("div");a.id="fps";a.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002";f.appendChild(a);var i=document.createElement("div");i.id="fpsText";i.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";
i.innerHTML="FPS";a.appendChild(i);var c=document.createElement("div");c.id="fpsGraph";c.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff";for(a.appendChild(c);74>c.children.length;){var j=document.createElement("span");j.style.cssText="width:1px;height:30px;float:left;background-color:#113";c.appendChild(j)}var d=document.createElement("div");d.id="ms";d.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none";f.appendChild(d);var k=document.createElement("div");
k.id="msText";k.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px";k.innerHTML="MS";d.appendChild(k);var e=document.createElement("div");e.id="msGraph";e.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0";for(d.appendChild(e);74>e.children.length;)j=document.createElement("span"),j.style.cssText="width:1px;height:30px;float:left;background-color:#131",e.appendChild(j);var t=function(b){s=b;switch(s){case 0:a.style.display=
"block";d.style.display="none";break;case 1:a.style.display="none",d.style.display="block"}};return{REVISION:12,domElement:f,setMode:t,begin:function(){l=Date.now()},end:function(){var b=Date.now();g=b-l;n=Math.min(n,g);o=Math.max(o,g);k.textContent=g+" MS ("+n+"-"+o+")";var a=Math.min(30,30-30*(g/200));e.appendChild(e.firstChild).style.height=a+"px";r++;b>m+1E3&&(h=Math.round(1E3*r/(b-m)),p=Math.min(p,h),q=Math.max(q,h),i.textContent=h+" FPS ("+p+"-"+q+")",a=Math.min(30,30-30*(h/100)),c.appendChild(c.firstChild).style.height=
a+"px",m=b,r=0);return b},update:function(){l=this.end()}}};"object"===typeof module&&(module.exports=Stats);
},{}],3:[function(_dereq_,module,exports){
/**
* @author dmarcos / https://github.com/dmarcos
* @author mrdoob / http://mrdoob.com
*/
var VRControls = function ( object, onError ) {
var scope = this;
var vrInputs = [];
function filterInvalidDevices( devices ) {
// Exclude Cardboard position sensor if Oculus exists.
var oculusDevices = devices.filter( function ( device ) {
return device.deviceName.toLowerCase().indexOf( 'oculus' ) !== - 1;
} );
if ( oculusDevices.length >= 1 ) {
return devices.filter( function ( device ) {
return device.deviceName.toLowerCase().indexOf( 'cardboard' ) === - 1;
} );
} else {
return devices;
}
}
function gotVRDevices( devices ) {
devices = filterInvalidDevices( devices );
for ( var i = 0; i < devices.length; i ++ ) {
if ( devices[ i ] instanceof PositionSensorVRDevice ) {
vrInputs.push( devices[ i ] );
}
}
if ( onError ) onError( 'HMD not available' );
}
if ( navigator.getVRDevices ) {
navigator.getVRDevices().then( gotVRDevices );
}
// the Rift SDK returns the position in meters
// this scale factor allows the user to define how meters
// are converted to scene units.
this.scale = 1;
this.update = function () {
for ( var i = 0; i < vrInputs.length; i ++ ) {
var vrInput = vrInputs[ i ];
var state = vrInput.getState();
if ( state.orientation !== null ) {
object.quaternion.copy( state.orientation );
}
if ( state.position !== null ) {
object.position.copy( state.position ).multiplyScalar( scope.scale );
}
}
};
this.resetSensor = function () {
for ( var i = 0; i < vrInputs.length; i ++ ) {
var vrInput = vrInputs[ i ];
if ( vrInput.resetSensor !== undefined ) {
vrInput.resetSensor();
} else if ( vrInput.zeroSensor !== undefined ) {
vrInput.zeroSensor();
}
}
};
this.zeroSensor = function () {
console.warn( 'THREE.VRControls: .zeroSensor() is now .resetSensor().' );
this.resetSensor();
};
this.dispose = function () {
vrInputs = [];
};
};
try {
module.exports = VRControls;
} catch (e) {
THREE.VRControls = VRControls;
}
},{}],4:[function(_dereq_,module,exports){
/**
* @author dmarcos / https://github.com/dmarcos
* @author mrdoob / http://mrdoob.com
*
* WebVR Spec: http://mozvr.github.io/webvr-spec/webvr.html
*
* Firefox: http://mozvr.com/downloads/
* Chromium: https://drive.google.com/folderview?id=0BzudLt22BqGRbW9WTHMtOWMzNjQ&usp=sharing#list
*
*/
var VREffect = function ( renderer, onError ) {
var vrHMD;
var eyeTranslationL, eyeFOVL, rectL;
var eyeTranslationR, eyeFOVR, rectR;
function gotVRDevices( devices ) {
for ( var i = 0; i < devices.length; i ++ ) {
if ( devices[ i ] instanceof HMDVRDevice ) {
vrHMD = devices[ i ];
break; // We keep the first we encounter
}
}
if ( vrHMD === undefined ) {
if ( onError ) onError( 'HMD not available' );
}
}
if ( navigator.getVRDevices ) {
navigator.getVRDevices().then( gotVRDevices );
}
//
this.scale = 1;
this.setSize = function( width, height ) {
renderer.setSize( width, height );
};
// fullscreen
var isFullscreen = false;
var canvas = renderer.domElement;
var fullscreenchange = canvas.mozRequestFullScreen ? 'mozfullscreenchange' : 'webkitfullscreenchange';
document.addEventListener( fullscreenchange, function ( event ) {
isFullscreen = document.mozFullScreenElement || document.webkitFullscreenElement;
}, false );
this.setFullScreen = function ( boolean ) {
if ( vrHMD === undefined ) return;
if ( isFullscreen === boolean ) return;
if ( canvas.mozRequestFullScreen ) {
canvas.mozRequestFullScreen( { vrDisplay: vrHMD } );
} else if ( canvas.webkitRequestFullscreen ) {
canvas.webkitRequestFullscreen( { vrDisplay: vrHMD } );
}
};
// render
var cameraL = new THREE.PerspectiveCamera();
var cameraR = new THREE.PerspectiveCamera();
this.render = function ( scene, camera ) {
if ( vrHMD ) {
var eyeParamsL = vrHMD.getEyeParameters( 'left' );
var eyeParamsR = vrHMD.getEyeParameters( 'right' );
eyeTranslationL = eyeParamsL.eyeTranslation;
eyeTranslationR = eyeParamsR.eyeTranslation;
eyeFOVL = eyeParamsL.recommendedFieldOfView;
eyeFOVR = eyeParamsR.recommendedFieldOfView;
rectL = eyeParamsL.renderRect;
rectR = eyeParamsR.renderRect;
var sceneL, sceneR;
if ( Array.isArray( scene ) ) {
sceneL = scene[ 0 ];
sceneR = scene[ 1 ];
} else {
sceneL = scene;
sceneR = scene;
}
var size = renderer.getSize();
size.width /= 2;
renderer.enableScissorTest( true );
renderer.clear();
if ( camera.parent === null ) camera.updateMatrixWorld();
cameraL.projectionMatrix = fovToProjection( eyeFOVL, true, camera.near, camera.far );
cameraR.projectionMatrix = fovToProjection( eyeFOVR, true, camera.near, camera.far );
camera.matrixWorld.decompose( cameraL.position, cameraL.quaternion, cameraL.scale );
camera.matrixWorld.decompose( cameraR.position, cameraR.quaternion, cameraR.scale );
cameraL.translateX( eyeTranslationL.x * this.scale );
cameraR.translateX( eyeTranslationR.x * this.scale );
// render left eye
if ( rectL ) {
renderer.setViewport( rectL.x, rectL.y, rectL.width, rectL.height );
renderer.setScissor( rectL.x, rectL.y, rectL.width, rectL.height );
} else {
renderer.setViewport( 0, 0, size.width, size.height );
renderer.setScissor( 0, 0, size.width, size.height );
}
renderer.render( sceneL, cameraL );
// render right eye
if ( rectR ) {
renderer.setViewport( rectR.x, rectR.y, rectR.width, rectR.height );
renderer.setScissor( rectR.x, rectR.y, rectR.width, rectR.height );
} else {
renderer.setViewport( size.width, 0, size.width, size.height );
renderer.setScissor( size.width, 0, size.width, size.height );
}
renderer.render( sceneR, cameraR );
renderer.enableScissorTest( false );
return;
}
// Regular render mode if not HMD
if ( Array.isArray( scene ) ) scene = scene[ 0 ];
renderer.render( scene, camera );
};
//
function fovToNDCScaleOffset( fov ) {
var pxscale = 2.0 / ( fov.leftTan + fov.rightTan );
var pxoffset = ( fov.leftTan - fov.rightTan ) * pxscale * 0.5;
var pyscale = 2.0 / ( fov.upTan + fov.downTan );
var pyoffset = ( fov.upTan - fov.downTan ) * pyscale * 0.5;
return { scale: [ pxscale, pyscale ], offset: [ pxoffset, pyoffset ] };
}
function fovPortToProjection( fov, rightHanded, zNear, zFar ) {
rightHanded = rightHanded === undefined ? true : rightHanded;
zNear = zNear === undefined ? 0.01 : zNear;
zFar = zFar === undefined ? 10000.0 : zFar;
var handednessScale = rightHanded ? - 1.0 : 1.0;
// start with an identity matrix
var mobj = new THREE.Matrix4();
var m = mobj.elements;
// and with scale/offset info for normalized device coords
var scaleAndOffset = fovToNDCScaleOffset( fov );
// X result, map clip edges to [-w,+w]
m[ 0 * 4 + 0 ] = scaleAndOffset.scale[ 0 ];
m[ 0 * 4 + 1 ] = 0.0;
m[ 0 * 4 + 2 ] = scaleAndOffset.offset[ 0 ] * handednessScale;
m[ 0 * 4 + 3 ] = 0.0;
// Y result, map clip edges to [-w,+w]
// Y offset is negated because this proj matrix transforms from world coords with Y=up,
// but the NDC scaling has Y=down (thanks D3D?)
m[ 1 * 4 + 0 ] = 0.0;
m[ 1 * 4 + 1 ] = scaleAndOffset.scale[ 1 ];
m[ 1 * 4 + 2 ] = - scaleAndOffset.offset[ 1 ] * handednessScale;
m[ 1 * 4 + 3 ] = 0.0;
// Z result (up to the app)
m[ 2 * 4 + 0 ] = 0.0;
m[ 2 * 4 + 1 ] = 0.0;
m[ 2 * 4 + 2 ] = zFar / ( zNear - zFar ) * - handednessScale;
m[ 2 * 4 + 3 ] = ( zFar * zNear ) / ( zNear - zFar );
// W result (= Z in)
m[ 3 * 4 + 0 ] = 0.0;
m[ 3 * 4 + 1 ] = 0.0;
m[ 3 * 4 + 2 ] = handednessScale;
m[ 3 * 4 + 3 ] = 0.0;
mobj.transpose();
return mobj;
}
function fovToProjection( fov, rightHanded, zNear, zFar ) {
var DEG2RAD = Math.PI / 180.0;
var fovPort = {
upTan: Math.tan( fov.upDegrees * DEG2RAD ),
downTan: Math.tan( fov.downDegrees * DEG2RAD ),
leftTan: Math.tan( fov.leftDegrees * DEG2RAD ),
rightTan: Math.tan( fov.rightDegrees * DEG2RAD )
};
return fovPortToProjection( fovPort, rightHanded, zNear, zFar );
}
};
try {
module.exports = VREffect;
} catch (e) {
THREE.VREffect = VREffect;
}
},{}],5:[function(_dereq_,module,exports){
var self = self || {};// File:src/Three.js
/**
* @author mrdoob / http://mrdoob.com/
*/
var THREE = { REVISION: '73' };
//
if ( typeof define === 'function' && define.amd ) {
define( 'three', THREE );
} else if ( 'undefined' !== typeof exports && 'undefined' !== typeof module ) {
module.exports = THREE;
}
// polyfills
if ( self.requestAnimationFrame === undefined || self.cancelAnimationFrame === undefined ) {
// Missing in Android stock browser.
( function () {
var lastTime = 0;
var vendors = [ 'ms', 'moz', 'webkit', 'o' ];
for ( var x = 0; x < vendors.length && ! self.requestAnimationFrame; ++ x ) {
self.requestAnimationFrame = self[ vendors[ x ] + 'RequestAnimationFrame' ];
self.cancelAnimationFrame = self[ vendors[ x ] + 'CancelAnimationFrame' ] || self[ vendors[ x ] + 'CancelRequestAnimationFrame' ];
}
if ( self.requestAnimationFrame === undefined && self.setTimeout !== undefined ) {
self.requestAnimationFrame = function ( callback ) {
var currTime = Date.now(), timeToCall = Math.max( 0, 16 - ( currTime - lastTime ) );
var id = self.setTimeout( function () {
callback( currTime + timeToCall );
}, timeToCall );
lastTime = currTime + timeToCall;
return id;
};
}
if ( self.cancelAnimationFrame === undefined && self.clearTimeout !== undefined ) {
self.cancelAnimationFrame = function ( id ) {
self.clearTimeout( id );
};
}
} )();
}
//
if ( self.performance === undefined ) {
self.performance = {};
}
if ( self.performance.now === undefined ) {
( function () {
var start = Date.now();
self.performance.now = function () {
return Date.now() - start;
}
} )();
}
//
if ( Number.EPSILON === undefined ) {
Number.EPSILON = Math.pow( 2, -52 );
}
//
if ( Math.sign === undefined ) {
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign
Math.sign = function ( x ) {
return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;
};
}
if ( Function.prototype.name === undefined && Object.defineProperty !== undefined ) {
// Missing in IE9-11.
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
Object.defineProperty( Function.prototype, 'name', {
get: function () {
return this.toString().match( /^\s*function\s*(\S*)\s*\(/ )[ 1 ];
}
} );
}
// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent.button
THREE.MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };
// GL STATE CONSTANTS
THREE.CullFaceNone = 0;
THREE.CullFaceBack = 1;
THREE.CullFaceFront = 2;
THREE.CullFaceFrontBack = 3;
THREE.FrontFaceDirectionCW = 0;
THREE.FrontFaceDirectionCCW = 1;
// SHADOWING TYPES
THREE.BasicShadowMap = 0;
THREE.PCFShadowMap = 1;
THREE.PCFSoftShadowMap = 2;
// MATERIAL CONSTANTS
// side
THREE.FrontSide = 0;
THREE.BackSide = 1;
THREE.DoubleSide = 2;
// shading
THREE.FlatShading = 1;
THREE.SmoothShading = 2;
// colors
THREE.NoColors = 0;
THREE.FaceColors = 1;
THREE.VertexColors = 2;
// blending modes
THREE.NoBlending = 0;
THREE.NormalBlending = 1;
THREE.AdditiveBlending = 2;
THREE.SubtractiveBlending = 3;
THREE.MultiplyBlending = 4;
THREE.CustomBlending = 5;
// custom blending equations
// (numbers start from 100 not to clash with other
// mappings to OpenGL constants defined in Texture.js)
THREE.AddEquation = 100;
THREE.SubtractEquation = 101;
THREE.ReverseSubtractEquation = 102;
THREE.MinEquation = 103;
THREE.MaxEquation = 104;
// custom blending destination factors
THREE.ZeroFactor = 200;
THREE.OneFactor = 201;
THREE.SrcColorFactor = 202;
THREE.OneMinusSrcColorFactor = 203;
THREE.SrcAlphaFactor = 204;
THREE.OneMinusSrcAlphaFactor = 205;
THREE.DstAlphaFactor = 206;
THREE.OneMinusDstAlphaFactor = 207;
// custom blending source factors
//THREE.ZeroFactor = 200;
//THREE.OneFactor = 201;
//THREE.SrcAlphaFactor = 204;
//THREE.OneMinusSrcAlphaFactor = 205;
//THREE.DstAlphaFactor = 206;
//THREE.OneMinusDstAlphaFactor = 207;
THREE.DstColorFactor = 208;
THREE.OneMinusDstColorFactor = 209;
THREE.SrcAlphaSaturateFactor = 210;
// depth modes
THREE.NeverDepth = 0;
THREE.AlwaysDepth = 1;
THREE.LessDepth = 2;
THREE.LessEqualDepth = 3;
THREE.EqualDepth = 4;
THREE.GreaterEqualDepth = 5;
THREE.GreaterDepth = 6;
THREE.NotEqualDepth = 7;
// TEXTURE CONSTANTS
THREE.MultiplyOperation = 0;
THREE.MixOperation = 1;
THREE.AddOperation = 2;
// Mapping modes
THREE.UVMapping = 300;
THREE.CubeReflectionMapping = 301;
THREE.CubeRefractionMapping = 302;
THREE.EquirectangularReflectionMapping = 303;
THREE.EquirectangularRefractionMapping = 304;
THREE.SphericalReflectionMapping = 305;
// Wrapping modes
THREE.RepeatWrapping = 1000;
THREE.ClampToEdgeWrapping = 1001;
THREE.MirroredRepeatWrapping = 1002;
// Filters
THREE.NearestFilter = 1003;
THREE.NearestMipMapNearestFilter = 1004;
THREE.NearestMipMapLinearFilter = 1005;
THREE.LinearFilter = 1006;
THREE.LinearMipMapNearestFilter = 1007;
THREE.LinearMipMapLinearFilter = 1008;
// Data types
THREE.UnsignedByteType = 1009;
THREE.ByteType = 1010;
THREE.ShortType = 1011;
THREE.UnsignedShortType = 1012;
THREE.IntType = 1013;
THREE.UnsignedIntType = 1014;
THREE.FloatType = 1015;
THREE.HalfFloatType = 1025;
// Pixel types
//THREE.UnsignedByteType = 1009;
THREE.UnsignedShort4444Type = 1016;
THREE.UnsignedShort5551Type = 1017;
THREE.UnsignedShort565Type = 1018;
// Pixel formats
THREE.AlphaFormat = 1019;
THREE.RGBFormat = 1020;
THREE.RGBAFormat = 1021;
THREE.LuminanceFormat = 1022;
THREE.LuminanceAlphaFormat = 1023;
// THREE.RGBEFormat handled as THREE.RGBAFormat in shaders
THREE.RGBEFormat = THREE.RGBAFormat; //1024;
// DDS / ST3C Compressed texture formats
THREE.RGB_S3TC_DXT1_Format = 2001;
THREE.RGBA_S3TC_DXT1_Format = 2002;
THREE.RGBA_S3TC_DXT3_Format = 2003;
THREE.RGBA_S3TC_DXT5_Format = 2004;
// PVRTC compressed texture formats
THREE.RGB_PVRTC_4BPPV1_Format = 2100;
THREE.RGB_PVRTC_2BPPV1_Format = 2101;
THREE.RGBA_PVRTC_4BPPV1_Format = 2102;
THREE.RGBA_PVRTC_2BPPV1_Format = 2103;
// Loop styles for AnimationAction
THREE.LoopOnce = 2200;
THREE.LoopRepeat = 2201;
THREE.LoopPingPong = 2202;
// DEPRECATED
THREE.Projector = function () {
console.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );
this.projectVector = function ( vector, camera ) {
console.warn( 'THREE.Projector: .projectVector() is now vector.project().' );
vector.project( camera );
};
this.unprojectVector = function ( vector, camera ) {
console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );
vector.unproject( camera );
};
this.pickingRay = function ( vector, camera ) {
console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );
};
};
THREE.CanvasRenderer = function () {
console.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );
this.domElement = document.createElement( 'canvas' );
this.clear = function () {};
this.render = function () {};
this.setClearColor = function () {};
this.setSize = function () {};
};
// File:src/math/Color.js
/**
* @author mrdoob / http://mrdoob.com/
*/
THREE.Color = function ( color ) {
if ( arguments.length === 3 ) {
return this.fromArray( arguments );
}
return this.set( color );
};
THREE.Color.prototype = {
constructor: THREE.Color,
r: 1, g: 1, b: 1,
set: function ( value ) {
if ( value instanceof THREE.Color ) {
this.copy( value );
} else if ( typeof value === 'number' ) {
this.setHex( value );
} else if ( typeof value === 'string' ) {
this.setStyle( value );
}
return this;
},
setHex: function ( hex ) {
hex = Math.floor( hex );
this.r = ( hex >> 16 & 255 ) / 255;
this.g = ( hex >> 8 & 255 ) / 255;
this.b = ( hex & 255 ) / 255;
return this;
},
setRGB: function ( r, g, b ) {
this.r = r;
this.g = g;
this.b = b;
return this;
},
setHSL: function () {
function hue2rgb( p, q, t ) {
if ( t < 0 ) t += 1;
if ( t > 1 ) t -= 1;
if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;
if ( t < 1 / 2 ) return q;
if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );
return p;
}
return function ( h, s, l ) {
// h,s,l ranges are in 0.0 - 1.0
h = THREE.Math.euclideanModulo( h, 1 );
s = THREE.Math.clamp( s, 0, 1 );
l = THREE.Math.clamp( l, 0, 1 );
if ( s === 0 ) {
this.r = this.g = this.b = l;
} else {
var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );
var q = ( 2 * l ) - p;
this.r = hue2rgb( q, p, h + 1 / 3 );
this.g = hue2rgb( q, p, h );
this.b = hue2rgb( q, p, h - 1 / 3 );
}
return this;
};
}(),
setStyle: function ( style ) {
function handleAlpha( string ) {
if ( string === undefined ) return;
if ( parseFloat( string ) < 1 ) {
console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );
}
}
var m;
if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) {
// rgb / hsl
var color;
var name = m[ 1 ];
var components = m[ 2 ];
switch ( name ) {
case 'rgb':
case 'rgba':
if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
// rgb(255,0,0) rgba(255,0,0,0.5)
this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;
this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;
this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;
handleAlpha( color[ 5 ] );
return this;
}
if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)
this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;
this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;
this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;
handleAlpha( color[ 5 ] );
return this;
}
break;
case 'hsl':
case 'hsla':
if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
// hsl(120,50%,50%) hsla(120,50%,50%,0.5)
var h = parseFloat( color[ 1 ] ) / 360;
var s = parseInt( color[ 2 ], 10 ) / 100;
var l = parseInt( color[ 3 ], 10 ) / 100;
handleAlpha( color[ 5 ] );
return this.setHSL( h, s, l );
}
break;
}
} else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) {
// hex color
var hex = m[ 1 ];
var size = hex.length;
if ( size === 3 ) {
// #ff0
this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;
this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;
this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;
return this;
} else if ( size === 6 ) {
// #ff0000
this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;
this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;
this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;
return this;
}
}
if ( style && style.length > 0 ) {
// color keywords
var hex = THREE.ColorKeywords[ style ];
if ( hex !== undefined ) {
// red
this.setHex( hex );
} else {
// unknown color
console.warn( 'THREE.Color: Unknown color ' + style );
}
}
return this;
},
clone: function () {
return new this.constructor( this.r, this.g, this.b );
},
copy: function ( color ) {
this.r = color.r;
this.g = color.g;
this.b = color.b;
return this;
},
copyGammaToLinear: function ( color, gammaFactor ) {
if ( gammaFactor === undefined ) gammaFactor = 2.0;
this.r = Math.pow( color.r, gammaFactor );
this.g = Math.pow( color.g, gammaFactor );
this.b = Math.pow( color.b, gammaFactor );
return this;
},
copyLinearToGamma: function ( color, gammaFactor ) {
if ( gammaFactor === undefined ) gammaFactor = 2.0;
var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;
this.r = Math.pow( color.r, safeInverse );
this.g = Math.pow( color.g, safeInverse );
this.b = Math.pow( color.b, safeInverse );
return this;
},
convertGammaToLinear: function () {
var r = this.r, g = this.g, b = this.b;
this.r = r * r;
this.g = g * g;
this.b = b * b;
return this;
},
convertLinearToGamma: function () {
this.r = Math.sqrt( this.r );
this.g = Math.sqrt( this.g );
this.b = Math.sqrt( this.b );
return this;
},
getHex: function () {
return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;
},
getHexString: function () {
return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );
},
getHSL: function ( optionalTarget ) {
// h,s,l ranges are in 0.0 - 1.0
var hsl = optionalTarget || { h: 0, s: 0, l: 0 };
var r = this.r, g = this.g, b = this.b;
var max = Math.max( r, g, b );
var min = Math.min( r, g, b );
var hue, saturation;
var lightness = ( min + max ) / 2.0;
if ( min === max ) {
hue = 0;
saturation = 0;
} else {
var delta = max - min;
saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );
switch ( max ) {
case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;
case g: hue = ( b - r ) / delta + 2; break;
case b: hue = ( r - g ) / delta + 4; break;
}
hue /= 6;
}
hsl.h = hue;
hsl.s = saturation;
hsl.l = lightness;
return hsl;
},
getStyle: function () {
return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';
},
offsetHSL: function ( h, s, l ) {
var hsl = this.getHSL();
hsl.h += h; hsl.s += s; hsl.l += l;
this.setHSL( hsl.h, hsl.s, hsl.l );
return this;
},
add: function ( color ) {
this.r += color.r;
this.g += color.g;
this.b += color.b;
return this;
},
addColors: function ( color1, color2 ) {
this.r = color1.r + color2.r;
this.g = color1.g + color2.g;
this.b = color1.b + color2.b;
return this;
},
addScalar: function ( s ) {
this.r += s;
this.g += s;
this.b += s;
return this;
},
multiply: function ( color ) {
this.r *= color.r;
this.g *= color.g;
this.b *= color.b;
return this;
},
multiplyScalar: function ( s ) {
this.r *= s;
this.g *= s;
this.b *= s;
return this;
},
lerp: function ( color, alpha ) {
this.r += ( color.r - this.r ) * alpha;
this.g += ( color.g - this.g ) * alpha;
this.b += ( color.b - this.b ) * alpha;
return this;
},
equals: function ( c ) {
return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );
},
fromArray: function ( array, offset ) {
if ( offset === undefined ) offset = 0;
this.r = array[ offset ];
this.g = array[ offset + 1 ];
this.b = array[ offset + 2 ];
return this;
},
toArray: function ( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) offset = 0;
array[ offset ] = this.r;
array[ offset + 1 ] = this.g;
array[ offset + 2 ] = this.b;
return array;
}
};
THREE.ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,
'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,
'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,
'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,
'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,
'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,
'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,
'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,
'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,
'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,
'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,
'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,
'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,
'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,
'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,
'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,
'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,
'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,
'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,
'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,
'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,
'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,
'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,
'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };
// File:src/math/Quaternion.js
/**
* @author mikael emtinger / http://gomo.se/
* @author alteredq / http://alteredqualia.com/
* @author WestLangley / http://github.com/WestLangley
* @author bhouston / http://clara.io
*/
THREE.Quaternion = function ( x, y, z, w ) {
this._x = x || 0;
this._y = y || 0;
this._z = z || 0;
this._w = ( w !== undefined ) ? w : 1;
};
THREE.Quaternion.prototype = {
constructor: THREE.Quaternion,
get x () {
return this._x;
},
set x ( value ) {
this._x = value;
this.onChangeCallback();
},
get y () {
return this._y;
},
set y ( value ) {
this._y = value;
this.onChangeCallback();
},
get z () {
return this._z;
},
set z ( value ) {
this._z = value;
this.onChangeCallback();
},
get w () {
return this._w;
},
set w ( value ) {
this._w = value;
this.onChangeCallback();
},
set: function ( x, y, z, w ) {
this._x = x;
this._y = y;
this._z = z;
this._w = w;
this.onChangeCallback();
return this;
},
clone: function () {
return new this.constructor( this._x, this._y, this._z, this._w );
},
copy: function ( quaternion ) {
this._x = quaternion.x;
this._y = quaternion.y;
this._z = quaternion.z;
this._w = quaternion.w;
this.onChangeCallback();
return this;
},
setFromEuler: function ( euler, update ) {
if ( euler instanceof THREE.Euler === false ) {
throw new Error( 'THREE.Quaternion: .setFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );
}
// http://www.mathworks.com/matlabcentral/fileexchange/
// 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/
// content/SpinCalc.m
var c1 = Math.cos( euler._x / 2 );
var c2 = Math.cos( euler._y / 2 );
var c3 = Math.cos( euler._z / 2 );
var s1 = Math.sin( euler._x / 2 );
var s2 = Math.sin( euler._y / 2 );
var s3 = Math.sin( euler._z / 2 );
var order = euler.order;
if ( order === 'XYZ' ) {
this._x = s1 * c2 * c3 + c1 * s2 * s3;
this._y = c1 * s2 * c3 - s1 * c2 * s3;
this._z = c1 * c2 * s3 + s1 * s2 * c3;
this._w = c1 * c2 * c3 - s1 * s2 * s3;
} else if ( order === 'YXZ' ) {
this._x = s1 * c2 * c3 + c1 * s2 * s3;
this._y = c1 * s2 * c3 - s1 * c2 * s3;
this._z = c1 * c2 * s3 - s1 * s2 * c3;
this._w = c1 * c2 * c3 + s1 * s2 * s3;
} else if ( order === 'ZXY' ) {
this._x = s1 * c2 * c3 - c1 * s2 * s3;
this._y = c1 * s2 * c3 + s1 * c2 * s3;
this._z = c1 * c2 * s3 + s1 * s2 * c3;
this._w = c1 * c2 * c3 - s1 * s2 * s3;
} else if ( order === 'ZYX' ) {
this._x = s1 * c2 * c3 - c1 * s2 * s3;
this._y = c1 * s2 * c3 + s1 * c2 * s3;
this._z = c1 * c2 * s3 - s1 * s2 * c3;
this._w = c1 * c2 * c3 + s1 * s2 * s3;
} else if ( order === 'YZX' ) {
this._x = s1 * c2 * c3 + c1 * s2 * s3;
this._y = c1 * s2 * c3 + s1 * c2 * s3;
this._z = c1 * c2 * s3 - s1 * s2 * c3;
this._w = c1 * c2 * c3 - s1 * s2 * s3;
} else if ( order === 'XZY' ) {
this._x = s1 * c2 * c3 - c1 * s2 * s3;
this._y = c1 * s2 * c3 - s1 * c2 * s3;
this._z = c1 * c2 * s3 + s1 * s2 * c3;
this._w = c1 * c2 * c3 + s1 * s2 * s3;
}
if ( update !== false ) this.onChangeCallback();
return this;
},
setFromAxisAngle: function ( axis, angle ) {
// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm
// assumes axis is normalized
var halfAngle = angle / 2, s = Math.sin( halfAngle );
this._x = axis.x * s;
this._y = axis.y * s;
this._z = axis.z * s;
this._w = Math.cos( halfAngle );
this.onChangeCallback();
return this;
},
setFromRotationMatrix: function ( m ) {
// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm
// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
var te = m.elements,
m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],
m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],
m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],
trace = m11 + m22 + m33,
s;
if ( trace > 0 ) {
s = 0.5 / Math.sqrt( trace + 1.0 );
this._w = 0.25 / s;
this._x = ( m32 - m23 ) * s;
this._y = ( m13 - m31 ) * s;
this._z = ( m21 - m12 ) * s;
} else if ( m11 > m22 && m11 > m33 ) {
s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );
this._w = ( m32 - m23 ) / s;
this._x = 0.25 * s;
this._y = ( m12 + m21 ) / s;
this._z = ( m13 + m31 ) / s;
} else if ( m22 > m33 ) {
s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );
this._w = ( m13 - m31 ) / s;
this._x = ( m12 + m21 ) / s;
this._y = 0.25 * s;
this._z = ( m23 + m32 ) / s;
} else {
s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );
this._w = ( m21 - m12 ) / s;
this._x = ( m13 + m31 ) / s;
this._y = ( m23 + m32 ) / s;
this._z = 0.25 * s;
}
this.onChangeCallback();
return this;
},
setFromUnitVectors: function () {
// http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final
// assumes direction vectors vFrom and vTo are normalized
var v1, r;
var EPS = 0.000001;
return function ( vFrom, vTo ) {
if ( v1 === undefined ) v1 = new THREE.Vector3();
r = vFrom.dot( vTo ) + 1;
if ( r < EPS ) {
r = 0;
if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {
v1.set( - vFrom.y, vFrom.x, 0 );
} else {
v1.set( 0, - vFrom.z, vFrom.y );
}
} else {
v1.crossVectors( vFrom, vTo );
}
this._x = v1.x;
this._y = v1.y;
this._z = v1.z;
this._w = r;
this.normalize();
return this;
}
}(),
inverse: function () {
this.conjugate().normalize();
return this;
},
conjugate: function () {
this._x *= - 1;
this._y *= - 1;
this._z *= - 1;
this.onChangeCallback();
return this;
},
dot: function ( v ) {
return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;
},
lengthSq: function () {
return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;
},
length: function () {
return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );
},
normalize: function () {
var l = this.length();
if ( l === 0 ) {
this._x = 0;
this._y = 0;
this._z = 0;
this._w = 1;
} else {
l = 1 / l;
this._x = this._x * l;
this._y = this._y * l;
this._z = this._z * l;
this._w = this._w * l;
}
this.onChangeCallback();
return this;
},
multiply: function ( q, p ) {
if ( p !== undefined ) {
console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );
return this.multiplyQuaternions( q, p );
}
return this.multiplyQuaternions( this, q );
},
multiplyQuaternions: function ( a, b ) {
// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm
var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;
var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;
this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;
this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;
this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;
this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;
this.onChangeCallback();
return this;
},
multiplyVector3: function ( vector ) {
console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );
return vector.applyQuaternion( this );
},
slerp: function ( qb, t ) {
if ( t === 0 ) return this;
if ( t === 1 ) return this.copy( qb );
var x = this._x, y = this._y, z = this._z, w = this._w;
// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/
var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;
if ( cosHalfTheta < 0 ) {
this._w = - qb._w;
this._x = - qb._x;
this._y = - qb._y;
this._z = - qb._z;
cosHalfTheta = - cosHalfTheta;
} else {
this.copy( qb );
}
if ( cosHalfTheta >= 1.0 ) {
this._w = w;
this._x = x;
this._y = y;
this._z = z;
return this;
}
var halfTheta = Math.acos( cosHalfTheta );
var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );
if ( Math.abs( sinHalfTheta ) < 0.001 ) {
this._w = 0.5 * ( w + this._w );
this._x = 0.5 * ( x + this._x );
this._y = 0.5 * ( y + this._y );
this._z = 0.5 * ( z + this._z );
return this;
}
var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,
ratioB = Math.sin( t * halfTheta ) / sinHalfTheta;
this._w = ( w * ratioA + this._w * ratioB );
this._x = ( x * ratioA + this._x * ratioB );
this._y = ( y * ratioA + this._y * ratioB );
this._z = ( z * ratioA + this._z * ratioB );
this.onChangeCallback();
return this;
},
equals: function ( quaternion ) {
return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );
},
fromArray: function ( array, offset ) {
if ( offset === undefined ) offset = 0;
this._x = array[ offset ];
this._y = array[ offset + 1 ];
this._z = array[ offset + 2 ];
this._w = array[ offset + 3 ];
this.onChangeCallback();
return this;
},
toArray: function ( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) offset = 0;
array[ offset ] = this._x;
array[ offset + 1 ] = this._y;
array[ offset + 2 ] = this._z;
array[ offset + 3 ] = this._w;
return array;
},
onChange: function ( callback ) {
this.onChangeCallback = callback;
return this;
},
onChangeCallback: function () {}
};
THREE.Quaternion.slerp = function ( qa, qb, qm, t ) {
return qm.copy( qa ).slerp( qb, t );
};
// File:src/math/Vector2.js
/**
* @author mrdoob / http://mrdoob.com/
* @author philogb / http://blog.thejit.org/
* @author egraether / http://egraether.com/
* @author zz85 / http://www.lab4games.net/zz85/blog
*/
THREE.Vector2 = function ( x, y ) {
this.x = x || 0;
this.y = y || 0;
};
THREE.Vector2.prototype = {
constructor: THREE.Vector2,
get width() { return this.x },
set width( value ) { this.x = value },
get height() { return this.y },
set height( value ) { this.y = value },
//
set: function ( x, y ) {
this.x = x;
this.y = y;
return this;
},
setX: function ( x ) {
this.x = x;
return this;
},
setY: function ( y ) {
this.y = y;
return this;
},
setComponent: function ( index, value ) {
switch ( index ) {
case 0: this.x = value; break;
case 1: this.y = value; break;
default: throw new Error( 'index is out of range: ' + index );
}
},
getComponent: function ( index ) {
switch ( index ) {
case 0: return this.x;
case 1: return this.y;
default: throw new Error( 'index is out of range: ' + index );
}
},
clone: function () {
return new this.constructor( this.x, this.y );
},
copy: function ( v ) {
this.x = v.x;
this.y = v.y;
return this;
},
add: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
return this.addVectors( v, w );
}
this.x += v.x;
this.y += v.y;
return this;
},
addScalar: function ( s ) {
this.x += s;
this.y += s;
return this;
},
addVectors: function ( a, b ) {
this.x = a.x + b.x;
this.y = a.y + b.y;
return this;
},
addScaledVector: function ( v, s ) {
this.x += v.x * s;
this.y += v.y * s;
return this;
},
sub: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
return this.subVectors( v, w );
}
this.x -= v.x;
this.y -= v.y;
return this;
},
subScalar: function ( s ) {
this.x -= s;
this.y -= s;
return this;
},
subVectors: function ( a, b ) {
this.x = a.x - b.x;
this.y = a.y - b.y;
return this;
},
multiply: function ( v ) {
this.x *= v.x;
this.y *= v.y;
return this;
},
multiplyScalar: function ( scalar ) {
if ( isFinite( scalar ) ) {
this.x *= scalar;
this.y *= scalar;
} else {
this.x = 0;
this.y = 0;
}
return this;
},
divide: function ( v ) {
this.x /= v.x;
this.y /= v.y;
return this;
},
divideScalar: function ( scalar ) {
return this.multiplyScalar( 1 / scalar );
},
min: function ( v ) {
this.x = Math.min( this.x, v.x );
this.y = Math.min( this.y, v.y );
return this;
},
max: function ( v ) {
this.x = Math.max( this.x, v.x );
this.y = Math.max( this.y, v.y );
return this;
},
clamp: function ( min, max ) {
// This function assumes min < max, if this assumption isn't true it will not operate correctly
this.x = Math.max( min.x, Math.min( max.x, this.x ) );
this.y = Math.max( min.y, Math.min( max.y, this.y ) );
return this;
},
clampScalar: function () {
var min, max;
return function clampScalar( minVal, maxVal ) {
if ( min === undefined ) {
min = new THREE.Vector2();
max = new THREE.Vector2();
}
min.set( minVal, minVal );
max.set( maxVal, maxVal );
return this.clamp( min, max );
};
}(),
clampLength: function ( min, max ) {
var length = this.length();
this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );
return this;
},
floor: function () {
this.x = Math.floor( this.x );
this.y = Math.floor( this.y );
return this;
},
ceil: function () {
this.x = Math.ceil( this.x );
this.y = Math.ceil( this.y );
return this;
},
round: function () {
this.x = Math.round( this.x );
this.y = Math.round( this.y );
return this;
},
roundToZero: function () {
this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );
this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );
return this;
},
negate: function () {
this.x = - this.x;
this.y = - this.y;
return this;
},
dot: function ( v ) {
return this.x * v.x + this.y * v.y;
},
lengthSq: function () {
return this.x * this.x + this.y * this.y;
},
length: function () {
return Math.sqrt( this.x * this.x + this.y * this.y );
},
lengthManhattan: function() {
return Math.abs( this.x ) + Math.abs( this.y );
},
normalize: function () {
return this.divideScalar( this.length() );
},
distanceTo: function ( v ) {
return Math.sqrt( this.distanceToSquared( v ) );
},
distanceToSquared: function ( v ) {
var dx = this.x - v.x, dy = this.y - v.y;
return dx * dx + dy * dy;
},
setLength: function ( length ) {
return this.multiplyScalar( length / this.length() );
},
lerp: function ( v, alpha ) {
this.x += ( v.x - this.x ) * alpha;
this.y += ( v.y - this.y ) * alpha;
return this;
},
lerpVectors: function ( v1, v2, alpha ) {
this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );
return this;
},
equals: function ( v ) {
return ( ( v.x === this.x ) && ( v.y === this.y ) );
},
fromArray: function ( array, offset ) {
if ( offset === undefined ) offset = 0;
this.x = array[ offset ];
this.y = array[ offset + 1 ];
return this;
},
toArray: function ( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) offset = 0;
array[ offset ] = this.x;
array[ offset + 1 ] = this.y;
return array;
},
fromAttribute: function ( attribute, index, offset ) {
if ( offset === undefined ) offset = 0;
index = index * attribute.itemSize + offset;
this.x = attribute.array[ index ];
this.y = attribute.array[ index + 1 ];
return this;
},
rotateAround: function ( center, angle ) {
var c = Math.cos( angle ), s = Math.sin( angle );
var x = this.x - center.x;
var y = this.y - center.y;
this.x = x * c - y * s + center.x;
this.y = x * s + y * c + center.y;
return this;
}
};
// File:src/math/Vector3.js
/**
* @author mrdoob / http://mrdoob.com/
* @author *kile / http://kile.stravaganza.org/
* @author philogb / http://blog.thejit.org/
* @author mikael emtinger / http://gomo.se/
* @author egraether / http://egraether.com/
* @author WestLangley / http://github.com/WestLangley
*/
THREE.Vector3 = function ( x, y, z ) {
this.x = x || 0;
this.y = y || 0;
this.z = z || 0;
};
THREE.Vector3.prototype = {
constructor: THREE.Vector3,
set: function ( x, y, z ) {
this.x = x;
this.y = y;
this.z = z;
return this;
},
setX: function ( x ) {
this.x = x;
return this;
},
setY: function ( y ) {
this.y = y;
return this;
},
setZ: function ( z ) {
this.z = z;
return this;
},
setComponent: function ( index, value ) {
switch ( index ) {
case 0: this.x = value; break;
case 1: this.y = value; break;
case 2: this.z = value; break;
default: throw new Error( 'index is out of range: ' + index );
}
},
getComponent: function ( index ) {
switch ( index ) {
case 0: return this.x;
case 1: return this.y;
case 2: return this.z;
default: throw new Error( 'index is out of range: ' + index );
}
},
clone: function () {
return new this.constructor( this.x, this.y, this.z );
},
copy: function ( v ) {
this.x = v.x;
this.y = v.y;
this.z = v.z;
return this;
},
add: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
return this.addVectors( v, w );
}
this.x += v.x;
this.y += v.y;
this.z += v.z;
return this;
},
addScalar: function ( s ) {
this.x += s;
this.y += s;
this.z += s;
return this;
},
addVectors: function ( a, b ) {
this.x = a.x + b.x;
this.y = a.y + b.y;
this.z = a.z + b.z;
return this;
},
addScaledVector: function ( v, s ) {
this.x += v.x * s;
this.y += v.y * s;
this.z += v.z * s;
return this;
},
sub: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
return this.subVectors( v, w );
}
this.x -= v.x;
this.y -= v.y;
this.z -= v.z;
return this;
},
subScalar: function ( s ) {
this.x -= s;
this.y -= s;
this.z -= s;
return this;
},
subVectors: function ( a, b ) {
this.x = a.x - b.x;
this.y = a.y - b.y;
this.z = a.z - b.z;
return this;
},
multiply: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );
return this.multiplyVectors( v, w );
}
this.x *= v.x;
this.y *= v.y;
this.z *= v.z;
return this;
},
multiplyScalar: function ( scalar ) {
if ( isFinite( scalar ) ) {
this.x *= scalar;
this.y *= scalar;
this.z *= scalar;
} else {
this.x = 0;
this.y = 0;
this.z = 0;
}
return this;
},
multiplyVectors: function ( a, b ) {
this.x = a.x * b.x;
this.y = a.y * b.y;
this.z = a.z * b.z;
return this;
},
applyEuler: function () {
var quaternion;
return function applyEuler( euler ) {
if ( euler instanceof THREE.Euler === false ) {
console.error( 'THREE.Vector3: .applyEuler() now expects a Euler rotation rather than a Vector3 and order.' );
}
if ( quaternion === undefined ) quaternion = new THREE.Quaternion();
this.applyQuaternion( quaternion.setFromEuler( euler ) );
return this;
};
}(),
applyAxisAngle: function () {
var quaternion;
return function applyAxisAngle( axis, angle ) {
if ( quaternion === undefined ) quaternion = new THREE.Quaternion();
this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );
return this;
};
}(),
applyMatrix3: function ( m ) {
var x = this.x;
var y = this.y;
var z = this.z;
var e = m.elements;
this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;
this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;
this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;
return this;
},
applyMatrix4: function ( m ) {
// input: THREE.Matrix4 affine matrix
var x = this.x, y = this.y, z = this.z;
var e = m.elements;
this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ];
this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ];
this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ];
return this;
},
applyProjection: function ( m ) {
// input: THREE.Matrix4 projection matrix
var x = this.x, y = this.y, z = this.z;
var e = m.elements;
var d = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); // perspective divide
this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * d;
this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * d;
this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * d;
return this;
},
applyQuaternion: function ( q ) {
var x = this.x;
var y = this.y;
var z = this.z;
var qx = q.x;
var qy = q.y;
var qz = q.z;
var qw = q.w;
// calculate quat * vector
var ix = qw * x + qy * z - qz * y;
var iy = qw * y + qz * x - qx * z;
var iz = qw * z + qx * y - qy * x;
var iw = - qx * x - qy * y - qz * z;
// calculate result * inverse quat
this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;
this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;
this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;
return this;
},
project: function () {
var matrix;
return function project( camera ) {
if ( matrix === undefined ) matrix = new THREE.Matrix4();
matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );
return this.applyProjection( matrix );
};
}(),
unproject: function () {
var matrix;
return function unproject( camera ) {
if ( matrix === undefined ) matrix = new THREE.Matrix4();
matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );
return this.applyProjection( matrix );
};
}(),
transformDirection: function ( m ) {
// input: THREE.Matrix4 affine matrix
// vector interpreted as a direction
var x = this.x, y = this.y, z = this.z;
var e = m.elements;
this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;
this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;
this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;
this.normalize();
return this;
},
divide: function ( v ) {
this.x /= v.x;
this.y /= v.y;
this.z /= v.z;
return this;
},
divideScalar: function ( scalar ) {
return this.multiplyScalar( 1 / scalar );
},
min: function ( v ) {
this.x = Math.min( this.x, v.x );
this.y = Math.min( this.y, v.y );
this.z = Math.min( this.z, v.z );
return this;
},
max: function ( v ) {
this.x = Math.max( this.x, v.x );
this.y = Math.max( this.y, v.y );
this.z = Math.max( this.z, v.z );
return this;
},
clamp: function ( min, max ) {
// This function assumes min < max, if this assumption isn't true it will not operate correctly
this.x = Math.max( min.x, Math.min( max.x, this.x ) );
this.y = Math.max( min.y, Math.min( max.y, this.y ) );
this.z = Math.max( min.z, Math.min( max.z, this.z ) );
return this;
},
clampScalar: function () {
var min, max;
return function clampScalar( minVal, maxVal ) {
if ( min === undefined ) {
min = new THREE.Vector3();
max = new THREE.Vector3();
}
min.set( minVal, minVal, minVal );
max.set( maxVal, maxVal, maxVal );
return this.clamp( min, max );
};
}(),
clampLength: function ( min, max ) {
var length = this.length();
this.multiplyScalar( Math.max( min, Math.min( max, length ) ) / length );
return this;
},
floor: function () {
this.x = Math.floor( this.x );
this.y = Math.floor( this.y );
this.z = Math.floor( this.z );
return this;
},
ceil: function () {
this.x = Math.ceil( this.x );
this.y = Math.ceil( this.y );
this.z = Math.ceil( this.z );
return this;
},
round: function () {
this.x = Math.round( this.x );
this.y = Math.round( this.y );
this.z = Math.round( this.z );
return this;
},
roundToZero: function () {
this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );
this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );
this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );
return this;
},
negate: function () {
this.x = - this.x;
this.y = - this.y;
this.z = - this.z;
return this;
},
dot: function ( v ) {
return this.x * v.x + this.y * v.y + this.z * v.z;
},
lengthSq: function () {
return this.x * this.x + this.y * this.y + this.z * this.z;
},
length: function () {
return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
},
lengthManhattan: function () {
return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );
},
normalize: function () {
return this.divideScalar( this.length() );
},
setLength: function ( length ) {
return this.multiplyScalar( length / this.length() );
},
lerp: function ( v, alpha ) {
this.x += ( v.x - this.x ) * alpha;
this.y += ( v.y - this.y ) * alpha;
this.z += ( v.z - this.z ) * alpha;
return this;
},
lerpVectors: function ( v1, v2, alpha ) {
this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );
return this;
},
cross: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );
return this.crossVectors( v, w );
}
var x = this.x, y = this.y, z = this.z;
this.x = y * v.z - z * v.y;
this.y = z * v.x - x * v.z;
this.z = x * v.y - y * v.x;
return this;
},
crossVectors: function ( a, b ) {
var ax = a.x, ay = a.y, az = a.z;
var bx = b.x, by = b.y, bz = b.z;
this.x = ay * bz - az * by;
this.y = az * bx - ax * bz;
this.z = ax * by - ay * bx;
return this;
},
projectOnVector: function () {
var v1, dot;
return function projectOnVector( vector ) {
if ( v1 === undefined ) v1 = new THREE.Vector3();
v1.copy( vector ).normalize();
dot = this.dot( v1 );
return this.copy( v1 ).multiplyScalar( dot );
};
}(),
projectOnPlane: function () {
var v1;
return function projectOnPlane( planeNormal ) {
if ( v1 === undefined ) v1 = new THREE.Vector3();
v1.copy( this ).projectOnVector( planeNormal );
return this.sub( v1 );
}
}(),
reflect: function () {
// reflect incident vector off plane orthogonal to normal
// normal is assumed to have unit length
var v1;
return function reflect( normal ) {
if ( v1 === undefined ) v1 = new THREE.Vector3();
return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );
}
}(),
angleTo: function ( v ) {
var theta = this.dot( v ) / ( this.length() * v.length() );
// clamp, to handle numerical problems
return Math.acos( THREE.Math.clamp( theta, - 1, 1 ) );
},
distanceTo: function ( v ) {
return Math.sqrt( this.distanceToSquared( v ) );
},
distanceToSquared: function ( v ) {
var dx = this.x - v.x;
var dy = this.y - v.y;
var dz = this.z - v.z;
return dx * dx + dy * dy + dz * dz;
},
setEulerFromRotationMatrix: function ( m, order ) {
console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );
},
setEulerFromQuaternion: function ( q, order ) {
console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );
},
getPositionFromMatrix: function ( m ) {
console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );
return this.setFromMatrixPosition( m );
},
getScaleFromMatrix: function ( m ) {
console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );
return this.setFromMatrixScale( m );
},
getColumnFromMatrix: function ( index, matrix ) {
console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );
return this.setFromMatrixColumn( index, matrix );
},
setFromMatrixPosition: function ( m ) {
this.x = m.elements[ 12 ];
this.y = m.elements[ 13 ];
this.z = m.elements[ 14 ];
return this;
},
setFromMatrixScale: function ( m ) {
var sx = this.set( m.elements[ 0 ], m.elements[ 1 ], m.elements[ 2 ] ).length();
var sy = this.set( m.elements[ 4 ], m.elements[ 5 ], m.elements[ 6 ] ).length();
var sz = this.set( m.elements[ 8 ], m.elements[ 9 ], m.elements[ 10 ] ).length();
this.x = sx;
this.y = sy;
this.z = sz;
return this;
},
setFromMatrixColumn: function ( index, matrix ) {
var offset = index * 4;
var me = matrix.elements;
this.x = me[ offset ];
this.y = me[ offset + 1 ];
this.z = me[ offset + 2 ];
return this;
},
equals: function ( v ) {
return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );
},
fromArray: function ( array, offset ) {
if ( offset === undefined ) offset = 0;
this.x = array[ offset ];
this.y = array[ offset + 1 ];
this.z = array[ offset + 2 ];
return this;
},
toArray: function ( array, offset ) {
if ( array === undefined ) array = [];
if ( offset === undefined ) offset = 0;
array[ offset ] = this.x;
array[ offset + 1 ] = this.y;
array[ offset + 2 ] = this.z;
return array;
},
fromAttribute: function ( attribute, index, offset ) {
if ( offset === undefined ) offset = 0;
index = index * attribute.itemSize + offset;
this.x = attribute.array[ index ];
this.y = attribute.array[ index + 1 ];
this.z = attribute.array[ index + 2 ];
return this;
}
};
// File:src/math/Vector4.js
/**
* @author supereggbert / http://www.paulbrunt.co.uk/
* @author philogb / http://blog.thejit.org/
* @author mikael emtinger / http://gomo.se/
* @author egraether / http://egraether.com/
* @author WestLangley / http://github.com/WestLangley
*/
THREE.Vector4 = function ( x, y, z, w ) {
this.x = x || 0;
this.y = y || 0;
this.z = z || 0;
this.w = ( w !== undefined ) ? w : 1;
};
THREE.Vector4.prototype = {
constructor: THREE.Vector4,
set: function ( x, y, z, w ) {
this.x = x;
this.y = y;
this.z = z;
this.w = w;
return this;
},
setX: function ( x ) {
this.x = x;
return this;
},
setY: function ( y ) {
this.y = y;
return this;
},
setZ: function ( z ) {
this.z = z;
return this;
},
setW: function ( w ) {
this.w = w;
return this;
},
setComponent: function ( index, value ) {
switch ( index ) {
case 0: this.x = value; break;
case 1: this.y = value; break;
case 2: this.z = value; break;
case 3: this.w = value; break;
default: throw new Error( 'index is out of range: ' + index );
}
},
getComponent: function ( index ) {
switch ( index ) {
case 0: return this.x;
case 1: return this.y;
case 2: return this.z;
case 3: return this.w;
default: throw new Error( 'index is out of range: ' + index );
}
},
clone: function () {
return new this.constructor( this.x, this.y, this.z, this.w );
},
copy: function ( v ) {
this.x = v.x;
this.y = v.y;
this.z = v.z;
this.w = ( v.w !== undefined ) ? v.w : 1;
return this;
},
add: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
return this.addVectors( v, w );
}
this.x += v.x;
this.y += v.y;
this.z += v.z;
this.w += v.w;
return this;
},
addScalar: function ( s ) {
this.x += s;
this.y += s;
this.z += s;
this.w += s;
return this;
},
addVectors: function ( a, b ) {
this.x = a.x + b.x;
this.y = a.y + b.y;
this.z = a.z + b.z;
this.w = a.w + b.w;
return this;
},
addScaledVector: function ( v, s ) {
this.x += v.x * s;
this.y += v.y * s;
this.z += v.z * s;
this.w += v.w * s;
return this;
},
sub: function ( v, w ) {
if ( w !== undefined ) {
console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
return this.subVectors( v, w );
}
this.x -= v.x;
this.y -= v.y;
this.z -= v.z;
this.w -= v.w;
return this;
},
subScalar: function ( s ) {
this.x -= s;
this.y -= s;
this.z -= s;
this.w -= s;
return this;
},
subVectors: function ( a, b ) {
this.x = a.x - b.x;
this.y = a.y - b.y;
this.z = a.z - b.z;
this.w = a.w - b.w;
return this;
},
multiplyScalar: function ( scalar ) {
if ( isFinite( scalar ) ) {
this.x *= scalar;
this.y *= scalar;
this.z *= scalar;
this.w *= scalar;
} else {
this.x = 0;
this.y = 0;
this.z = 0;
this.w = 0;
}
return this;
},
applyMatrix4: function ( m ) {
var x = this.x;
var y = this.y;
var z = this.z;
var w = this.w;
var e = m.elements;
this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;
this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;
this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;
this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;
return this;
},
divideScalar: function ( scalar ) {
return this.multiplyScalar( 1 / scalar );
},
setAxisAngleFromQuaternion: function ( q ) {
// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm
// q is assumed to be normalized
this.w = 2 * Math.acos( q.w );
var s = Math.sqrt( 1 - q.w * q.w );
if ( s < 0.0001 ) {
this.x = 1;
this.y = 0;
this.z = 0;
} else {
this.x = q.x / s;
this.y = q.y / s;
this.z = q.z / s;
}
return this;
},
setAxisAngleFromRotationMatrix: function ( m ) {
// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm
// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
var angle, x, y, z, // variables for result
epsilon = 0.01, // margin to allow for rounding errors
epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees
te = m.elements,
m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],
m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],
m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];
if ( ( Math.abs( m12 - m21 ) < epsilon )
&& ( Math.abs( m13 - m31 ) < epsilon )
&& ( Math.abs( m23 - m32 ) < epsilon ) ) {
// singularity found
// first check for identity matrix which must have +1 for all terms
// in leading diagonal and zero in other terms
if ( ( Math.abs( m12 + m21 ) < epsilon2 )
&& ( Math.abs( m13 + m31 ) < epsilon2 )
&& ( Math.abs( m23 + m32 ) < epsilon2 )
&& ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {
// this singularity is identity matrix so angle = 0
this.set( 1, 0, 0, 0 );
return this; // zero angle, arbitrary axis
}
// otherwise this singularity is angle = 180
angle = Math.PI;
var xx = ( m11 + 1 ) / 2;
var yy = ( m22 + 1 ) / 2;
var zz = ( m33 + 1 ) / 2;
var xy = ( m12 + m21 ) / 4;
var xz = ( m13 + m31 ) / 4;
var yz = ( m23 + m32 ) / 4;
if ( ( xx > yy ) && ( xx > zz ) ) {
// m11 is the largest diagonal term
if ( xx < epsilon ) {
x = 0;
y = 0.707106781;
z = 0.707106781;
} else {
x = Math.sqrt( xx );
y = xy / x;
z = xz / x;
}
} else if ( yy > zz ) {
// m22 is the largest diagonal term
if ( yy < epsilon ) {
x = 0.707106781;
y = 0;
z = 0.707106781;
} else {
y = Math.sqrt( yy );
x = xy / y;
z = yz / y;
}
} else {
// m33 is the largest diagonal term so base result on this
if ( zz < epsilon ) {
x = 0.707106781;
y = 0.707106781;
z = 0;
} else {
z = Math.sqrt( zz );
x = xz / z;
y = yz / z;
}
}
this.set( x, y, z, angle );
return this; // return 180 deg rotation
}
// as we have reached here there are no singularities so we can handle normally
var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 )
+ ( m13 - m31 ) * ( m13 - m31 )
+ ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize
if ( Math.abs( s ) < 0.001 ) s = 1;
// prevent divide by zero, should not happen if matrix is orthogonal and should be
// caught by singularity test above, but I've left it in just in case
this.x = ( m32 - m23 ) / s;
this.y = ( m13 - m31 ) / s;
this.z = ( m21 - m12 ) / s;
this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );
return this;
},
min: function ( v ) {
this.x = Math.min( this.x, v.x );
this.y = Math.min( this.y, v.y );
this.z = Math.min( this.z, v.z );
this.w = Math.min( this.w, v.w );
return this;
},
max: function ( v ) {
this.x = Math.max( this.x, v.x );
this.y = Math.max( this.y, v.y );
this.z = Math.max( this.z, v.z );
this.w = Math.max( this.w, v.w );
return this;
},
clamp: function ( min, max ) {
// This function assumes min < max, if this assumption isn't true it will not operate correctly
this.x = Math.max( min.x, Math.min( max.x, this.x ) );
this.y = Math.max( min.y, Math.min( max.y, this.y ) );
this.z = Math.max( min.z, Math.min( max.z, this.z ) );
this.w = Math.max( min.w, Math.min( max.w, this.w ) );
return this;
},
clampScalar: function () {
var min, max;
return function clampScalar( minVal, maxVal ) {
if ( min === undefined ) {
min = new THREE.Vector4();
max = new THREE.Vector4();
}
min.set( minVal, minVal, minVal, minVal );
max.set( maxVal, maxVal, maxVal, maxVal );
return this.clamp( min, max );
};
}(),
floor: function () {
this.x = Math.floor( this.x );
this.y = Math.floor( this.y );
this.z = Math.floor( this.z );
this.w = Math.floor( this.w );
return this;
},
ceil: function () {
this.x = Math.ceil( this.x );
this.y = Math.ceil( this.y );
this.z = Math.ceil( this.z );
this.w = Math.ceil( this.w );
return this;
},
round: function () {
this.x = Math.round( this.x );
this.y = Math.round( this.y );
this.z = Math.round( this.z );
this.w = Math.round( this.w );
return this;
},
roundToZero: function () {
this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );
this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );
this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );
this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );
return this;
},
negate: function () {
this.x = - this.x;
this.y = - this.y;
this.z = - this.z;
this.w = - this.w;
return this;
},
dot: function ( v ) {
return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;
},
lengthSq: function () {
return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;
},
length: function () {
return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );
},
lengthManhattan: function () {
return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );
},
normalize: function () {
return this.divideScalar( this.length() );
},
setLength: function ( length ) {
return this.multiplyScalar( length / this.length() );
},
lerp: function ( v, alpha ) {
this.x += ( v.x - this.x ) * alpha;
this.y += ( v.y - this.y ) * alpha;
this.z += ( v.z - this.z ) * alpha;
this.w += ( v.w - this.w ) * alpha;
return this;
},
lerpVectors: function ( v1, v2, alpha ) {
this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );
return this;
},
equals: function ( v ) {
return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );
},
fromArray: function ( array, offset ) {
if ( offset === undefined ) offset = 0;
this.x = array[ offset ];
this.y =