requirebin sketch

index.js

//Load shell
var shell = require("gl-now")({ clearColor: [0,0,0,0] })
var camera = require("game-shell-orbit-camera")(shell)

//Mesh creation tools
var createMesh = require("gl-simplicial-complex")
var polygonize = require("isosurface").surfaceNets
var createAxes = require("gl-axes")

//Matrix math
var mat4 = require("gl-matrix").mat4

var mesh, axes

//Bounds on function to plot
var bounds = [[-5,-5,-5], [5,5,5]]

//The function to plot
function f(x,y,z) {
  //!!!CHANGE ME!!!
  return x*x + y*y + z*z - 2.0
}

shell.on("gl-init", function() {
  camera.lookAt(bounds[1], [0,0,0], [0, 1, 0])
  mesh = createMesh(shell.gl, polygonize([64, 64, 64], f, bounds))
  axes = createAxes(shell.gl, {
    bounds: bounds
  })
})

shell.on("gl-render", function() {
  var gl = shell.gl
  gl.enable(gl.DEPTH_TEST)

  var cameraParameters = {
    view: camera.view(),
    projection: mat4.perspective(
        mat4.create(),
        Math.PI/4.0,
        shell.width/shell.height,
        0.1,
        1000.0)
  }
  
  axes.draw(cameraParameters)
  mesh.draw(cameraParameters)
})

minified.js

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"+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);console.trace()}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-->0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else{while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return 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id};if(!window.cancelAnimationFrame)window.cancelAnimationFrame=function(id){clearTimeout(id)}},{}],11:[function(require,module,exports){"use strict";function compileSearch(funcName,predicate,reversed,extraArgs,useNdarray,earlyOut){var code=["function ",funcName,"(a,l,h,",extraArgs.join(","),"){",earlyOut?"":"var i=",reversed?"l-1":"h+1",";while(l<=h){var m=(l+h)>>>1,x=a",useNdarray?".get(m)":"[m]"];if(earlyOut){if(predicate.indexOf("c")<0){code.push(";if(x===y){return m}else if(x<=y){")}else{code.push(";var p=c(x,y);if(p===0){return m}else if(p<=0){")}}else{code.push(";if(",predicate,"){i=m;")}if(reversed){code.push("l=m+1}else{h=m-1}")}else{code.push("h=m-1}else{l=m+1}")}code.push("}");if(earlyOut){code.push("return -1};")}else{code.push("return i};")}return code.join("")}function compileBoundsSearch(predicate,reversed,suffix,earlyOut){var result=new Function([compileSearch("A","x"+predicate+"y",reversed,["y"],false,earlyOut),compileSearch("B","x"+predicate+"y",reversed,["y"],true,earlyOut),compileSearch("P","c(x,y)"+predicate+"0",reversed,["y","c"],false,earlyOut),compileSearch("Q","c(x,y)"+predicate+"0",reversed,["y","c"],true,earlyOut),"function dispatchBsearch",suffix,"(a,y,c,l,h){if(a.shape){if(typeof(c)==='function'){return Q(a,(l===undefined)?0:l|0,(h===undefined)?a.shape[0]-1:h|0,y,c)}else{return B(a,(c===undefined)?0:c|0,(l===undefined)?a.shape[0]-1:l|0,y)}}else{if(typeof(c)==='function'){return P(a,(l===undefined)?0:l|0,(h===undefined)?a.length-1:h|0,y,c)}else{return A(a,(c===undefined)?0:c|0,(l===undefined)?a.length-1:l|0,y)}}}return dispatchBsearch",suffix].join(""));return result()}module.exports={ge:compileBoundsSearch(">=",false,"GE"),gt:compileBoundsSearch(">",false,"GT"),lt:compileBoundsSearch("<",true,"LT"),le:compileBoundsSearch("<=",true,"LE"),eq:compileBoundsSearch("-",true,"EQ",true)}},{}],12:[function(require,module,exports){!function(name,definition){if(typeof module!="undefined")module.exports=definition();else if(typeof define=="function"&&typeof define.amd=="object")define(definition);else this[name]=definition()}("domready",function(){var fns=[],listener,doc=document,domContentLoaded="DOMContentLoaded",loaded=/^loaded|^c/.test(doc.readyState);if(!loaded)doc.addEventListener(domContentLoaded,listener=function(){doc.removeEventListener(domContentLoaded,listener);loaded=1;while(listener=fns.shift())listener()});return function(fn){loaded?fn():fns.push(fn)}})},{}],13:[function(require,module,exports){"use strict";function invert(hash){var result={};for(var i in hash){if(hash.hasOwnProperty(i)){result[hash[i]]=i}}return result}module.exports=invert},{}],14:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],15:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],16:[function(require,module,exports){var ua=typeof window!=="undefined"?window.navigator.userAgent:"",isOSX=/OS X/.test(ua),isOpera=/Opera/.test(ua),maybeFirefox=!/like Gecko/.test(ua)&&!isOpera;var i,output=module.exports={0:isOSX?"<menu>":"<UNK>",1:"<mouse 1>",2:"<mouse 2>",3:"<break>",4:"<mouse 3>",5:"<mouse 4>",6:"<mouse 5>",8:"<backspace>",9:"<tab>",12:"<clear>",13:"<enter>",16:"<shift>",17:"<control>",18:"<alt>",19:"<pause>",20:"<caps-lock>",21:"<ime-hangul>",23:"<ime-junja>",24:"<ime-final>",25:"<ime-kanji>",27:"<escape>",28:"<ime-convert>",29:"<ime-nonconvert>",30:"<ime-accept>",31:"<ime-mode-change>",27:"<escape>",32:"<space>",33:"<page-up>",34:"<page-down>",35:"<end>",36:"<home>",37:"<left>",38:"<up>",39:"<right>",40:"<down>",41:"<select>",42:"<print>",43:"<execute>",44:"<snapshot>",45:"<insert>",46:"<delete>",47:"<help>",91:"<meta>",92:"<meta>",93:isOSX?"<meta>":"<menu>",95:"<sleep>",106:"<num-*>",107:"<num-+>",108:"<num-enter>",109:"<num-->",110:"<num-.>",111:"<num-/>",144:"<num-lock>",145:"<scroll-lock>",160:"<shift-left>",161:"<shift-right>",162:"<control-left>",163:"<control-right>",164:"<alt-left>",165:"<alt-right>",166:"<browser-back>",167:"<browser-forward>",168:"<browser-refresh>",169:"<browser-stop>",170:"<browser-search>",171:"<browser-favorites>",172:"<browser-home>",173:isOSX&&maybeFirefox?"-":"<volume-mute>",174:"<volume-down>",175:"<volume-up>",176:"<next-track>",177:"<prev-track>",178:"<stop>",179:"<play-pause>",180:"<launch-mail>",181:"<launch-media-select>",182:"<launch-app 1>",183:"<launch-app 2>",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'",223:"<meta>",224:"<meta>",226:"<alt-gr>",229:"<ime-process>",231:isOpera?"`":"<unicode>",246:"<attention>",247:"<crsel>",248:"<exsel>",249:"<erase-eof>",250:"<play>",251:"<zoom>",252:"<no-name>",253:"<pa-1>",254:"<clear>"};for(i=58;i<65;++i){output[i]=String.fromCharCode(i)}for(i=48;i<58;++i){output[i]=i-48+""}for(i=65;i<91;++i){output[i]=String.fromCharCode(i)}for(i=96;i<106;++i){output[i]="<num-"+(i-96)+">"}for(i=112;i<136;++i){output[i]="F"+(i-111)}},{}],17:[function(require,module,exports){"use strict";var EventEmitter=require("events").EventEmitter,util=require("util"),domready=require("domready"),vkey=require("vkey"),invert=require("invert-hash"),uniq=require("uniq"),bsearch=require("binary-search-bounds"),iota=require("iota-array"),min=Math.min;require("./lib/raf-polyfill.js");var addMouseWheel=require("./lib/mousewheel-polyfill.js");var hrtime=require("./lib/hrtime-polyfill.js");var filtered_vkey=function(){var result=new Array(256),i,j,k;for(i=0;i<256;++i){result[i]="UNK"}for(i in vkey){k=vkey[i];if(k.charAt(0)==="<"&&k.charAt(k.length-1)===">"){k=k.substring(1,k.length-1)}k=k.replace(/\s/g,"-");result[parseInt(i)]=k}return result}();var keyNames=uniq(Object.keys(invert(filtered_vkey)));function virtualKeyCode(key){return bsearch.eq(keyNames,key)}function physicalKeyCode(key){return virtualKeyCode(filtered_vkey[key])}function GameShell(){EventEmitter.call(this);this._curKeyState=new Array(keyNames.length);this._pressCount=new Array(keyNames.length);this._releaseCount=new Array(keyNames.length);this._tickInterval=null;this._rafHandle=null;this._tickRate=0;this._lastTick=hrtime();this._frameTime=0;this._paused=true;this._width=0;this._height=0;this._wantFullscreen=false;this._wantPointerLock=false;this._fullscreenActive=false;this._pointerLockActive=false;this._render=render.bind(undefined,this);for(var i=0;i<keyNames.length;++i){this._curKeyState[i]=false;this._pressCount[i]=this._releaseCount[i]=0}this.element=null;this.bindings={};this.frameSkip=100;this.tickCount=0;this.frameCount=0;this.startTime=hrtime();this.tickTime=this._tickRate;this.frameTime=10;this.stickyFullscreen=false;this.stickyPointLock=false;this.scroll=[0,0,0];this.mouseX=0;this.mouseY=0;this.prevMouseX=0;this.prevMouseY=0}util.inherits(GameShell,EventEmitter);var proto=GameShell.prototype;proto.keyNames=keyNames;proto.bind=function(virtual_key){var arr;if(virtual_key in this.bindings){arr=this.bindings[virtual_key]}else{arr=[]}var physical_key;for(var i=1,n=arguments.length;i<n;++i){physical_key=arguments[i];if(virtualKeyCode(physical_key)>=0){arr.push(physical_key)}else if(physical_key in this.bindings){var keybinds=this.bindings[physical_key];for(var j=0;j<keybinds.length;++j){arr.push(keybinds[j])}}}arr=uniq(arr);if(arr.length>0){this.bindings[virtual_key]=arr}this.emit("bind",virtual_key,arr)};proto.unbind=function(virtual_key){if(virtual_key in this.bindings){delete this.bindings[virtual_key]}this.emit("unbind",virtual_key)};function lookupKey(state,bindings,key){if(key in bindings){var arr=bindings[key];for(var i=0,n=arr.length;i<n;++i){if(state[virtualKeyCode(arr[i])]){return true}}return false}var kc=virtualKeyCode(key);if(kc>=0){return state[kc]}return false}function lookupCount(state,bindings,key){if(key in bindings){var arr=bindings[key],r=0;for(var i=0,n=arr.length;i<n;++i){r+=state[virtualKeyCode(arr[i])]}return r}var kc=virtualKeyCode(key);if(kc>=0){return state[kc]}return 0}proto.down=function(key){return lookupKey(this._curKeyState,this.bindings,key)};proto.wasDown=function(key){return this.down(key)||!!this.press(key)};proto.up=function(key){return!this.down(key)};proto.wasUp=function(key){return this.up(key)||!!this.release(key)};proto.press=function(key){return lookupCount(this._pressCount,this.bindings,key)};proto.release=function(key){return lookupCount(this._releaseCount,this.bindings,key)};Object.defineProperty(proto,"paused",{get:function(){return this._paused},set:function(state){var ns=!!state;if(ns!==this._paused){if(!this._paused){this._paused=true;this._frameTime=min(1,(hrtime()-this._lastTick)/this._tickRate);clearInterval(this._tickInterval)}else{this._paused=false;this._lastTick=hrtime()-Math.floor(this._frameTime*this._tickRate);this._tickInterval=setInterval(tick,this._tickRate,this);this._rafHandle=requestAnimationFrame(this._render)}}}});function tryFullscreen(shell){var elem=shell.element;if(shell._wantFullscreen&&!shell._fullscreenActive){var fs=elem.requestFullscreen||elem.requestFullScreen||elem.webkitRequestFullscreen||elem.webkitRequestFullScreen||elem.mozRequestFullscreen||elem.mozRequestFullScreen||function(){};fs.call(elem)}if(shell._wantPointerLock&&!shell._pointerLockActive){var pl=elem.requestPointerLock||elem.webkitRequestPointerLock||elem.mozRequestPointerLock||elem.msRequestPointerLock||elem.oRequestPointerLock||function(){};pl.call(elem)}}var cancelFullscreen=document.exitFullscreen||document.cancelFullscreen||document.cancelFullScreen||document.webkitCancelFullscreen||document.webkitCancelFullScreen||document.mozCancelFullscreen||document.mozCancelFullScreen||function(){};Object.defineProperty(proto,"fullscreen",{get:function(){return this._fullscreenActive},set:function(state){var ns=!!state;if(!ns){this._wantFullscreen=false;cancelFullscreen.call(document)}else{this._wantFullscreen=true;tryFullscreen(this)}return this._fullscreenActive}});function handleFullscreen(shell){shell._fullscreenActive=document.fullscreen||document.mozFullScreen||document.webkitIsFullScreen||false;if(!shell.stickyFullscreen&&shell._fullscreenActive){shell._wantFullscreen=false}}var exitPointerLock=document.exitPointerLock||document.webkitExitPointerLock||document.mozExitPointerLock||function(){};Object.defineProperty(proto,"pointerLock",{get:function(){return this._pointerLockActive
},set:function(state){var ns=!!state;if(!ns){this._wantPointerLock=false;exitPointerLock.call(document)}else{this._wantPointerLock=true;tryFullscreen(this)}return this._pointerLockActive}});function handlePointerLockChange(shell,event){shell._pointerLockActive=shell.element===(document.pointerLockElement||document.mozPointerLockElement||document.webkitPointerLockElement||null);if(!shell.stickyPointerLock&&shell._pointerLockActive){shell._wantPointerLock=false}}Object.defineProperty(proto,"width",{get:function(){return this.element.clientWidth}});Object.defineProperty(proto,"height",{get:function(){return this.element.clientHeight}});function setKeyState(shell,key,state){var ps=shell._curKeyState[key];if(ps!==state){if(state){shell._pressCount[key]++}else{shell._releaseCount[key]++}shell._curKeyState[key]=state}}function tick(shell){var skip=hrtime()+shell.frameSkip,pCount=shell._pressCount,rCount=shell._releaseCount,i,s,t,tr=shell._tickRate,n=keyNames.length;while(!shell._paused&&hrtime()>=shell._lastTick+tr){if(hrtime()>skip){shell._lastTick=hrtime()+tr;return}s=hrtime();shell.emit("tick");t=hrtime();shell.tickTime=t-s;++shell.tickCount;shell._lastTick+=tr;for(i=0;i<n;++i){pCount[i]=rCount[i]=0}if(shell._pointerLockActive){shell.prevMouseX=shell.mouseX=shell.width>>1;shell.prevMouseY=shell.mouseY=shell.height>>1}else{shell.prevMouseX=shell.mouseX;shell.prevMouseY=shell.mouseY}shell.scroll[0]=shell.scroll[1]=shell.scroll[2]=0}}function render(shell){shell._rafHandle=requestAnimationFrame(shell._render);tick(shell);var dt;if(shell._paused){dt=shell._frameTime}else{dt=min(1,(hrtime()-shell._lastTick)/shell._tickRate)}++shell.frameCount;var s=hrtime();shell.emit("render",dt);var t=hrtime();shell.frameTime=t-s}function isFocused(shell){return document.activeElement===document.body||document.activeElement===shell.element}function handleKeyUp(shell,ev){ev.preventDefault();var kc=physicalKeyCode(ev.keyCode||ev.char||ev.which||ev.charCode);if(kc>=0){setKeyState(shell,kc,false)}}function handleKeyDown(shell,ev){if(!isFocused(shell)){return}if(ev.metaKey){handleBlur(shell,ev)}else{ev.preventDefault();var kc=physicalKeyCode(ev.keyCode||ev.char||ev.which||ev.charCode);if(kc>=0){setKeyState(shell,kc,true)}}}var mouseCodes=iota(32).map(function(n){return virtualKeyCode("mouse-"+(n+1))});function setMouseButtons(shell,buttons){for(var i=0;i<32;++i){setKeyState(shell,mouseCodes[i],!!(buttons&1<<i))}}function handleMouseMove(shell,ev){if(shell._pointerLockActive){var movementX=ev.movementX||ev.mozMovementX||ev.webkitMovementX||0,movementY=ev.movementY||ev.mozMovementY||ev.webkitMovementY||0;shell.mouseX+=movementX;shell.mouseY+=movementY}else{shell.mouseX=ev.clientX-shell.element.offsetLeft;shell.mouseY=ev.clientY-shell.element.offsetTop}return false}function handleMouseDown(shell,ev){setKeyState(shell,mouseCodes[ev.button],true);return false}function handleMouseUp(shell,ev){setKeyState(shell,mouseCodes[ev.button],false);return false}function handleMouseEnter(shell,ev){if(shell._pointerLockActive){shell.prevMouseX=shell.mouseX=shell.width>>1;shell.prevMouseY=shell.mouseY=shell.height>>1}else{shell.prevMouseX=shell.mouseX=ev.clientX-shell.element.offsetLeft;shell.prevMouseY=shell.mouseY=ev.clientY-shell.element.offsetTop}return false}function handleMouseLeave(shell,ev){setMouseButtons(shell,0);return false}function handleMouseWheel(shell,ev){var scale=1;switch(ev.deltaMode){case 0:scale=1;break;case 1:scale=12;break;case 2:scale=shell.height;break}shell.scroll[0]+=ev.deltaX*scale;shell.scroll[1]+=ev.deltaY*scale;shell.scroll[2]+=ev.deltaZ*scale||0;return false}function handleContexMenu(shell,ev){return false}function handleBlur(shell,ev){var n=keyNames.length,c=shell._curKeyState,r=shell._releaseCount,i;for(i=0;i<n;++i){if(c[i]){++r[i]}c[i]=false}return false}function handleResizeElement(shell,ev){var w=shell.element.clientWidth|0;var h=shell.element.clientHeight|0;if(w!==shell._width||h!==shell._height){shell._width=w;shell._height=h;shell.emit("resize",w,h)}}function makeDefaultContainer(){var container=document.createElement("div");container.tabindex=1;container.style.position="absolute";container.style.left="0px";container.style.right="0px";container.style.top="0px";container.style.bottom="0px";container.style.height="100%";container.style.overflow="hidden";document.body.appendChild(container);document.body.style.overflow="hidden";document.body.style.height="100%";return container}function createShell(options){options=options||{};var useFullscreen=!!options.fullscreen;var usePointerLock=useFullscreen;if(typeof options.pointerLock!==undefined){usePointerLock=!!options.pointerLock}var shell=new GameShell;shell._tickRate=options.tickRate||30;shell.frameSkip=options.frameSkip||(shell._tickRate+5)*5;shell.stickyFullscreen=!!options.stickyFullscreen||!!options.sticky;shell.stickyPointerLock=!!options.stickPointerLock||!options.sticky;if(options.bindings){shell.bindings=bindings}setTimeout(function(){domready(function initGameShell(){var element=options.element;if(typeof element==="string"){var e=document.querySelector(element);if(!e){e=document.getElementById(element)}if(!e){e=document.getElementByClass(element)[0]}if(!e){e=makeDefaultContainer()}shell.element=e}else if(typeof element==="object"&&!!element){shell.element=element}else if(typeof element==="function"){shell.element=element()}else{shell.element=makeDefaultContainer()}if(shell.element.style){shell.element.style["-webkit-touch-callout"]="none";shell.element.style["-webkit-user-select"]="none";shell.element.style["-khtml-user-select"]="none";shell.element.style["-moz-user-select"]="none";shell.element.style["-ms-user-select"]="none";shell.element.style["user-select"]="none"}shell._width=shell.element.clientWidth;shell._height=shell.element.clientHeight;var handleResize=handleResizeElement.bind(undefined,shell);if(typeof MutationObserver!=="undefined"){var observer=new MutationObserver(handleResize);observer.observe(shell.element,{attributes:true,subtree:true})}else{shell.element.addEventListener("DOMSubtreeModified",handleResize,false)}window.addEventListener("resize",handleResize,false);window.addEventListener("keydown",handleKeyDown.bind(undefined,shell),false);window.addEventListener("keyup",handleKeyUp.bind(undefined,shell),false);shell.element.oncontextmenu=handleContexMenu.bind(undefined,shell);shell.element.addEventListener("mousedown",handleMouseDown.bind(undefined,shell),false);shell.element.addEventListener("mouseup",handleMouseUp.bind(undefined,shell),false);shell.element.addEventListener("mousemove",handleMouseMove.bind(undefined,shell),false);shell.element.addEventListener("mouseenter",handleMouseEnter.bind(undefined,shell),false);var leave=handleMouseLeave.bind(undefined,shell);shell.element.addEventListener("mouseleave",leave,false);shell.element.addEventListener("mouseout",leave,false);window.addEventListener("mouseleave",leave,false);window.addEventListener("mouseout",leave,false);var blur=handleBlur.bind(undefined,shell);shell.element.addEventListener("blur",blur,false);shell.element.addEventListener("focusout",blur,false);shell.element.addEventListener("focus",blur,false);window.addEventListener("blur",blur,false);window.addEventListener("focusout",blur,false);window.addEventListener("focus",blur,false);addMouseWheel(shell.element,handleMouseWheel.bind(undefined,shell),false);var fullscreenChange=handleFullscreen.bind(undefined,shell);document.addEventListener("fullscreenchange",fullscreenChange,false);document.addEventListener("mozfullscreenchange",fullscreenChange,false);document.addEventListener("webkitfullscreenchange",fullscreenChange,false);shell.element.addEventListener("click",tryFullscreen.bind(undefined,shell),false);var pointerLockChange=handlePointerLockChange.bind(undefined,shell);document.addEventListener("pointerlockchange",pointerLockChange,false);document.addEventListener("mozpointerlockchange",pointerLockChange,false);document.addEventListener("webkitpointerlockchange",pointerLockChange,false);document.addEventListener("pointerlocklost",pointerLockChange,false);document.addEventListener("webkitpointerlocklost",pointerLockChange,false);document.addEventListener("mozpointerlocklost",pointerLockChange,false);shell.fullscreen=useFullscreen;shell.pointerLock=usePointerLock;shell.bind("mouse-left","mouse-1");shell.bind("mouse-right","mouse-3");shell.bind("mouse-middle","mouse-2");shell._lastTick=hrtime();shell.startTime=hrtime();shell.paused=false;shell.emit("init")})},0);return shell}module.exports=createShell},{"./lib/hrtime-polyfill.js":8,"./lib/mousewheel-polyfill.js":9,"./lib/raf-polyfill.js":10,"binary-search-bounds":11,domready:12,events:1,"invert-hash":13,"iota-array":14,uniq:15,util:5,vkey:16}],18:[function(require,module,exports){void function(global,undefined_,undefined){var getProps=Object.getOwnPropertyNames,defProp=Object.defineProperty,toSource=Function.prototype.toString,create=Object.create,hasOwn=Object.prototype.hasOwnProperty,funcName=/^\n?function\s?(\w*)?_?\(/;function define(object,key,value){if(typeof key==="function"){value=key;key=nameOf(value).replace(/_$/,"")}return defProp(object,key,{configurable:true,writable:true,value:value})}function nameOf(func){return typeof func!=="function"?"":"name"in func?func.name:toSource.call(func).match(funcName)[1]}var Data=function(){var dataDesc={value:{writable:true,value:undefined}},datalock="return function(k){if(k===s)return l}",uids=create(null),createUID=function(){var key=Math.random().toString(36).slice(2);return key in uids?createUID():uids[key]=key},globalID=createUID(),storage=function(obj){if(hasOwn.call(obj,globalID))return obj[globalID];if(!Object.isExtensible(obj))throw new TypeError("Object must be extensible");var store=create(null);defProp(obj,globalID,{value:store});return store};define(Object,function getOwnPropertyNames(obj){var props=getProps(obj);if(hasOwn.call(obj,globalID))props.splice(props.indexOf(globalID),1);return props});function Data(){var puid=createUID(),secret={};this.unlock=function(obj){var store=storage(obj);if(hasOwn.call(store,puid))return store[puid](secret);var data=create(null,dataDesc);defProp(store,puid,{value:new Function("s","l",datalock)(secret,data)});return data}}define(Data.prototype,function get(o){return this.unlock(o).value});define(Data.prototype,function set(o,v){this.unlock(o).value=v});return Data}();var WM=function(data){var validate=function(key){if(key==null||typeof key!=="object"&&typeof key!=="function")throw new TypeError("Invalid WeakMap key")};var wrap=function(collection,value){var store=data.unlock(collection);if(store.value)throw new TypeError("Object is already a WeakMap");store.value=value};var unwrap=function(collection){var storage=data.unlock(collection).value;if(!storage)throw new TypeError("WeakMap is not generic");return storage};var initialize=function(weakmap,iterable){if(iterable!==null&&typeof iterable==="object"&&typeof iterable.forEach==="function"){iterable.forEach(function(item,i){if(item instanceof Array&&item.length===2)set.call(weakmap,iterable[i][0],iterable[i][1])})}};function WeakMap(iterable){if(this===global||this==null||this===WeakMap.prototype)return new WeakMap(iterable);wrap(this,new Data);initialize(this,iterable)}function get(key){validate(key);var value=unwrap(this).get(key);return value===undefined_?undefined:value}function set(key,value){validate(key);unwrap(this).set(key,value===undefined?undefined_:value)}function has(key){validate(key);return unwrap(this).get(key)!==undefined}function delete_(key){validate(key);var data=unwrap(this),had=data.get(key)!==undefined;data.set(key,undefined);return had}function toString(){unwrap(this);return"[object WeakMap]"}try{var src=("return "+delete_).replace("e_","\\u0065"),del=new Function("unwrap","validate",src)(unwrap,validate)}catch(e){var del=delete_}var src=(""+Object).split("Object");var stringifier=function toString(){return src[0]+nameOf(this)+src[1]};define(stringifier,stringifier);var prep={__proto__:[]}instanceof Array?function(f){f.__proto__=stringifier}:function(f){define(f,stringifier)};prep(WeakMap);[toString,get,set,has,del].forEach(function(method){define(WeakMap.prototype,method);prep(method)});return WeakMap}(new Data);var defaultCreator=Object.create?function(){return Object.create(null)}:function(){return{}};function createStorage(creator){var weakmap=new WM;creator||(creator=defaultCreator);function storage(object,value){if(value||arguments.length===2){weakmap.set(object,value)}else{value=weakmap.get(object);if(value===undefined){value=creator(object);weakmap.set(object,value)}}return value}return storage}if(typeof module!=="undefined"){module.exports=WM}else if(typeof exports!=="undefined"){exports.WeakMap=WM}else if(!("WeakMap"in global)){global.WeakMap=WM}WM.createStorage=createStorage;if(global.WeakMap)global.WeakMap.createStorage=createStorage}((0,eval)("this"))},{}],19:[function(require,module,exports){"use strict";var weakMap=typeof WeakMap==="undefined"?require("weakmap"):WeakMap;var WebGLEWStruct=new weakMap;function baseName(ext_name){return ext_name.replace(/^[A-Z]+_/,"")}function initWebGLEW(gl){var struct=WebGLEWStruct.get(gl);if(struct){return struct}var extensions={};var supported=gl.getSupportedExtensions();for(var i=0;i<supported.length;++i){var extName=supported[i];var ext=gl.getExtension(supported[i]);if(!ext){continue}while(true){extensions[extName]=ext;var base=baseName(extName);if(base===extName){break}extName=base}}WebGLEWStruct.set(gl,extensions);return extensions}module.exports=initWebGLEW},{weakmap:18}]},{},[]);require=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);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.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}({USIW0P:[function(require,module,exports){"use strict";var createOrbitCamera=require("orbit-camera");function attachCamera(shell){var camera=createOrbitCamera();shell.on("tick",function(){var ctrl=shell.down("control");var alt=shell.down("shift");var left=shell.down("mouse-left");var right=shell.down("mouse-right");var middle=shell.down("mouse-middle");if(left&&!ctrl&&!alt){camera.rotate([shell.mouseX/shell.width-.5,shell.mouseY/shell.height-.5],[shell.prevMouseX/shell.width-.5,shell.prevMouseY/shell.height-.5])}if(right||left&&ctrl&&!alt){camera.pan([(shell.mouseX-shell.prevMouseX)/shell.width,(shell.mouseY-shell.prevMouseY)/shell.height])}if(shell.scroll[1]){camera.distance*=Math.exp(shell.scroll[1]/shell.height)}if(middle||left&&!ctrl&&alt){var d=shell.mouseY-shell.prevMouseY;if(d){camera.distance*=Math.exp(d/shell.height)}}});return camera}module.exports=attachCamera},{"orbit-camera":4}],"game-shell-orbit-camera":[function(require,module,exports){module.exports=require("USIW0P")},{}],3:[function(require,module,exports){(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{shim.exports=typeof window!=="undefined"?window:_global}}else{shim.exports=exports}(function(exports){if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}if(!GLMAT_ARRAY_TYPE){var GLMAT_ARRAY_TYPE=typeof Float32Array!=="undefined"?Float32Array:Array}if(!GLMAT_RANDOM){var GLMAT_RANDOM=Math.random}var glMatrix={};glMatrix.setMatrixArrayType=function(type){GLMAT_ARRAY_TYPE=type};if(typeof exports!=="undefined"){exports.glMatrix=glMatrix}var degree=Math.PI/180;glMatrix.toRadian=function(a){return a*degree};var vec2={};vec2.create=function(){var out=new GLMAT_ARRAY_TYPE(2);out[0]=0;out[1]=0;return out};vec2.clone=function(a){var out=new GLMAT_ARRAY_TYPE(2);out[0]=a[0];out[1]=a[1];return out};vec2.fromValues=function(x,y){var out=new GLMAT_ARRAY_TYPE(2);out[0]=x;out[1]=y;return out};vec2.copy=function(out,a){out[0]=a[0];out[1]=a[1];return out};vec2.set=function(out,x,y){out[0]=x;out[1]=y;return out};vec2.add=function(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];return out};vec2.subtract=function(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];return out};vec2.sub=vec2.subtract;vec2.multiply=function(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];return out};vec2.mul=vec2.multiply;vec2.divide=function(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];return out};vec2.div=vec2.divide;vec2.min=function(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);return 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};vec2.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;return out};vec2.scaleAndAdd=function(out,a,b,scale){out[0]=a[0]+b[0]*scale;out[1]=a[1]+b[1]*scale;return out};vec2.distance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return Math.sqrt(x*x+y*y)};vec2.dist=vec2.distance;vec2.squaredDistance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return x*x+y*y};vec2.sqrDist=vec2.squaredDistance;vec2.length=function(a){var x=a[0],y=a[1];return Math.sqrt(x*x+y*y)};vec2.len=vec2.length;vec2.squaredLength=function(a){var x=a[0],y=a[1];return x*x+y*y};vec2.sqrLen=vec2.squaredLength;vec2.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];return out};vec2.normalize=function(out,a){var x=a[0],y=a[1];var len=x*x+y*y;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len}return out};vec2.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]};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};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};vec2.random=function(out,scale){scale=scale||1;var r=GLMAT_RANDOM()*2*Math.PI;out[0]=Math.cos(r)*scale;out[1]=Math.sin(r)*scale;return 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};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};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};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};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}}();vec2.str=function(a){return"vec2("+a[0]+", "+a[1]+")"};if(typeof exports!=="undefined"){exports.vec2=vec2}var vec3={};vec3.create=function(){var out=new GLMAT_ARRAY_TYPE(3);out[0]=0;out[1]=0;out[2]=0;return out};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};vec3.fromValues=function(x,y,z){var out=new GLMAT_ARRAY_TYPE(3);out[0]=x;out[1]=y;out[2]=z;return out};vec3.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];return out};vec3.set=function(out,x,y,z){out[0]=x;out[1]=y;out[2]=z;return 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};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};vec3.sub=vec3.subtract;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};vec3.mul=vec3.multiply;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};vec3.div=vec3.divide;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};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};vec3.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;return 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};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)};vec3.dist=vec3.distance;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};vec3.sqrDist=vec3.squaredDistance;vec3.length=function(a){var x=a[0],y=a[1],z=a[2];return Math.sqrt(x*x+y*y+z*z)};vec3.len=vec3.length;vec3.squaredLength=function(a){var x=a[0],y=a[1],z=a[2];return x*x+y*y+z*z};vec3.sqrLen=vec3.squaredLength;vec3.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];return 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){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len}return out};vec3.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]};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};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};vec3.random=function(out,scale){scale=scale||1;var r=GLMAT_RANDOM()*2*Math.PI;var z=GLMAT_RANDOM()*2-1;var zScale=Math.sqrt(1-z*z)*scale;out[0]=Math.cos(r)*zScale;out[1]=Math.sin(r)*zScale;out[2]=z*scale;return 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};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};vec3.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],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;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};vec3.rotateX=function(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];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);out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out};vec3.rotateY=function(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];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);out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out};vec3.rotateZ=function(out,a,b,c){var p=[],r=[];p[0]=a[0]-b[0];p[1]=a[1]-b[1];p[2]=a[2]-b[2];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];out[0]=r[0]+b[0];out[1]=r[1]+b[1];out[2]=r[2]+b[2];return out};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}}();vec3.str=function(a){return"vec3("+a[0]+", "+a[1]+", "+a[2]+")"};if(typeof exports!=="undefined"){exports.vec3=vec3}var vec4={};vec4.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=0;return out};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};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};vec4.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};vec4.set=function(out,x,y,z,w){out[0]=x;out[1]=y;out[2]=z;out[3]=w;return 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};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};vec4.sub=vec4.subtract;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};vec4.mul=vec4.multiply;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};vec4.div=vec4.divide;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};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};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};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};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)};vec4.dist=vec4.distance;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};vec4.sqrDist=vec4.squaredDistance;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)};vec4.len=vec4.length;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};vec4.sqrLen=vec4.squaredLength;vec4.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=-a[3];return 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};vec4.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]};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};vec4.random=function(out,scale){scale=scale||1;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};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};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],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;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};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}}();vec4.str=function(a){return"vec4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.vec4=vec4}var mat2={};mat2.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};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};mat2.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};mat2.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};mat2.transpose=function(out,a){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};mat2.invert=function(out,a){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],det=a0*a3-a2*a1;if(!det){return null}det=1/det;out[0]=a3*det;out[1]=-a1*det;out[2]=-a2*det;out[3]=a0*det;return out};mat2.adjoint=function(out,a){var a0=a[0];out[0]=a[3];out[1]=-a[1];out[2]=-a[2];out[3]=a0;return out};mat2.determinant=function(a){return a[0]*a[3]-a[2]*a[1]};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};mat2.mul=mat2.multiply;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};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};mat2.str=function(a){return"mat2("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};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))};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}var mat2d={};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};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};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};mat2d.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;out[4]=0;out[5]=0;return 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/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};mat2d.determinant=function(a){return a[0]*a[3]-a[1]*a[2]};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};mat2d.mul=mat2d.multiply;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};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};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};mat2d.str=function(a){return"mat2d("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+")"};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}var mat3={};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};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};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};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};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};mat3.transpose=function(out,a){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};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,det=a00*b01+a01*b11+a02*b21;if(!det){return null}det=1/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};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};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)};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};mat3.mul=mat3.multiply;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};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};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};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};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};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,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/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};mat3.str=function(a){return"mat3("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+")"};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}var mat4={};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};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};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};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};mat4.transpose=function(out,a){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};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,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/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};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};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;return b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06};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];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};mat4.mul=mat4.multiply;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};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};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];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;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){out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}return 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){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]}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};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){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]}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};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){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]}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};mat4.fromRotationTranslation=function(out,q,v){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};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};mat4.perspective=function(out,fovy,aspect,near,far){var f=1/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};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};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};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]+")"};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}var quat={};quat.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=1;return 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<-.999999){vec3.cross(tmpvec3,xUnitVec3,a);if(vec3.length(tmpvec3)<1e-6)vec3.cross(tmpvec3,yUnitVec3,a);vec3.normalize(tmpvec3,tmpvec3);quat.setAxisAngle(out,tmpvec3,Math.PI);return out}else if(dot>.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)}}}();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))}}();quat.clone=vec4.clone;quat.fromValues=vec4.fromValues;quat.copy=vec4.copy;quat.set=vec4.set;quat.identity=function(out){out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.setAxisAngle=function(out,axis,rad){rad=rad*.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};quat.add=vec4.add;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};quat.mul=quat.multiply;quat.scale=vec4.scale;quat.rotateX=function(out,a,rad){rad*=.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};quat.rotateY=function(out,a,rad){rad*=.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};quat.rotateZ=function(out,a,rad){rad*=.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};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-x*x-y*y-z*z));return out};quat.dot=vec4.dot;quat.lerp=vec4.lerp;quat.slerp=function(out,a,b,t){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;cosom=ax*bx+ay*by+az*bz+aw*bw;if(cosom<0){cosom=-cosom;bx=-bx;by=-by;bz=-bz;bw=-bw}if(1-cosom>1e-6){omega=Math.acos(cosom);sinom=Math.sin(omega);scale0=Math.sin((1-t)*omega)/sinom;scale1=Math.sin(t*omega)/sinom}else{scale0=1-t;scale1=t}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};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/dot:0;out[0]=-a0*invDot;out[1]=-a1*invDot;out[2]=-a2*invDot;out[3]=a3*invDot;return out};quat.conjugate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=a[3];return out};quat.length=vec4.length;quat.len=quat.length;quat.squaredLength=vec4.squaredLength;quat.sqrLen=quat.squaredLength;quat.normalize=vec4.normalize;quat.fromMat3=function(out,m){var fTrace=m[0]+m[4]+m[8];var fRoot;if(fTrace>0){fRoot=Math.sqrt(fTrace+1);out[3]=.5*fRoot;fRoot=.5/fRoot;out[0]=(m[7]-m[5])*fRoot;out[1]=(m[2]-m[6])*fRoot;out[2]=(m[3]-m[1])*fRoot}else{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);out[i]=.5*fRoot;fRoot=.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};quat.str=function(a){return"quat("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.quat=quat}})(shim.exports)})(this)},{}],4:[function(require,module,exports){"use strict";var glm=require("gl-matrix");var vec3=glm.vec3;var mat3=glm.mat3;var mat4=glm.mat4;var quat=glm.quat;var scratch0=new Float32Array(16);var scratch1=new Float32Array(16);function OrbitCamera(rotation,center,distance){this.rotation=rotation;this.center=center;this.distance=distance}var proto=OrbitCamera.prototype;proto.view=function(out){if(!out){out=mat4.create()}scratch1[0]=scratch1[1]=0;scratch1[2]=-this.distance;mat4.fromRotationTranslation(out,quat.conjugate(scratch0,this.rotation),scratch1);mat4.translate(out,out,vec3.negate(scratch0,this.center));return out};proto.lookAt=function(eye,center,up){mat4.lookAt(scratch0,eye,center,up);mat3.fromMat4(scratch0,scratch0);quat.fromMat3(this.rotation,scratch0);vec3.copy(this.center,center);this.distance=vec3.distance(eye,center)};proto.pan=function(dpan){var d=this.distance;scratch0[0]=-d*(dpan[0]||0);scratch0[1]=d*(dpan[1]||0);scratch0[2]=d*(dpan[2]||0);vec3.transformQuat(scratch0,scratch0,this.rotation);vec3.add(this.center,this.center,scratch0)};proto.zoom=function(d){this.distance+=d;if(this.distance<0){this.distance=0}};function quatFromVec(out,da){var x=da[0];var y=da[1];var z=da[2];var s=x*x+y*y;if(s>1){s=1}out[0]=-da[0];out[1]=da[1];out[2]=da[2]||Math.sqrt(1-s);out[3]=0}proto.rotate=function(da,db){quatFromVec(scratch0,da);quatFromVec(scratch1,db);quat.invert(scratch1,scratch1);quat.multiply(scratch0,scratch0,scratch1);if(quat.length(scratch0)<1e-6){return}quat.multiply(this.rotation,this.rotation,scratch0);quat.normalize(this.rotation,this.rotation)};function createOrbitCamera(eye,target,up){eye=eye||[0,0,-1];target=target||[0,0,0];up=up||[0,1,0];var camera=new OrbitCamera(quat.create(),vec3.create(),1);camera.lookAt(eye,target,up);return camera}module.exports=createOrbitCamera},{"gl-matrix":3}]},{},[]);require=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);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.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(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");exports.Buffer=Buffer;exports.SlowBuffer=Buffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;Buffer._useTypedArrays=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;if(encoding==="base64"&&type==="string"){subject=stringtrim(subject);while(subject.length%4!==0){subject=subject+"="}}var length;if(type==="number")length=coerce(subject);else if(type==="string")length=Buffer.byteLength(subject,encoding);else if(type==="object")length=coerce(subject.length);else throw new Error("First argument needs to be a number, array or string.");var buf;if(Buffer._useTypedArrays){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer._useTypedArrays&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){for(i=0;i<length;i++){if(Buffer.isBuffer(subject))buf[i]=subject.readUInt8(i);else buf[i]=subject[i]}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer._useTypedArrays&&!noZero){for(i=0;i<length;i++){buf[i]=0}}return buf}Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.isBuffer=function(b){return!!(b!==null&&b!==undefined&&b._isBuffer)};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"hex":ret=str.length/2;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"ascii":case"binary":case"raw":ret=str.length;break;case"base64":ret=base64ToBytes(str).length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;default:throw new Error("Unknown encoding")}return ret};Buffer.concat=function(list,totalLength){assert(isArray(list),"Usage: Buffer.concat(list, [totalLength])\n"+"list should be an Array.");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(typeof totalLength!=="number"){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};function _hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;assert(strLen%2===0,"Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);assert(!isNaN(byte),"Invalid hex string");buf[offset+i]=byte}Buffer._charsWritten=i*2;return i}function _utf8Write(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(utf8ToBytes(string),buf,offset,length);return charsWritten}function _asciiWrite(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function _binaryWrite(buf,string,offset,length){return _asciiWrite(buf,string,offset,length)}function _base64Write(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function _utf16leWrite(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(utf16leToBytes(string),buf,offset,length);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=_hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=_utf8Write(this,string,offset,length);break;case"ascii":ret=_asciiWrite(this,string,offset,length);break;case"binary":ret=_binaryWrite(this,string,offset,length);break;case"base64":ret=_base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=_utf16leWrite(this,string,offset,length);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toString=function(encoding,start,end){var self=this;encoding=String(encoding||"utf8").toLowerCase();start=Number(start)||0;end=end!==undefined?Number(end):end=self.length;if(end===start)return"";var ret;switch(encoding){case"hex":ret=_hexSlice(self,start,end);break;case"utf8":case"utf-8":ret=_utf8Slice(self,start,end);break;case"ascii":ret=_asciiSlice(self,start,end);break;case"binary":ret=_binarySlice(self,start,end);break;case"base64":ret=_base64Slice(self,start,end);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=_utf16leSlice(self,start,end);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(!target_start)target_start=0;if(end===start)return;if(target.length===0||source.length===0)return;assert(end>=start,"sourceEnd < sourceStart");assert(target_start>=0&&target_start<target.length,"targetStart out of bounds");assert(start>=0&&start<source.length,"sourceStart out of bounds");assert(end>=0&&end<=source.length,"sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<100||!Buffer._useTypedArrays){for(var i=0;i<len;i++)target[i+target_start]=this[i+start]}else{target._set(this.subarray(start,start+len),target_start)}};function _base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function _utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function _asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++)ret+=String.fromCharCode(buf[i]);return ret}function _binarySlice(buf,start,end){return _asciiSlice(buf,start,end)}function _hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function _utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=clamp(start,len,0);end=clamp(end,len,len);if(Buffer._useTypedArrays){return Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;var newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}return newBuf}};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;return this[offset]};function _readUInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){val=buf[offset];if(offset+1<len)val|=buf[offset+1]<<8}else{val=buf[offset]<<8;if(offset+1<len)val|=buf[offset+1]}return val}Buffer.prototype.readUInt16LE=function(offset,noAssert){return _readUInt16(this,offset,true,noAssert)};Buffer.prototype.readUInt16BE=function(offset,noAssert){return _readUInt16(this,offset,false,noAssert)};function _readUInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){if(offset+2<len)val=buf[offset+2]<<16;if(offset+1<len)val|=buf[offset+1]<<8;val|=buf[offset];if(offset+3<len)val=val+(buf[offset+3]<<24>>>0)}else{if(offset+1<len)val=buf[offset+1]<<16;if(offset+2<len)val|=buf[offset+2]<<8;if(offset+3<len)val|=buf[offset+3];val=val+(buf[offset]<<24>>>0)}return val}Buffer.prototype.readUInt32LE=function(offset,noAssert){return _readUInt32(this,offset,true,noAssert)};Buffer.prototype.readUInt32BE=function(offset,noAssert){return _readUInt32(this,offset,false,noAssert)};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;var neg=this[offset]&128;if(neg)return(255-this[offset]+1)*-1;else return this[offset]};function _readInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=_readUInt16(buf,offset,littleEndian,true);var neg=val&32768;if(neg)return(65535-val+1)*-1;else return val}Buffer.prototype.readInt16LE=function(offset,noAssert){return _readInt16(this,offset,true,noAssert)};Buffer.prototype.readInt16BE=function(offset,noAssert){return _readInt16(this,offset,false,noAssert)
};function _readInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=_readUInt32(buf,offset,littleEndian,true);var neg=val&2147483648;if(neg)return(4294967295-val+1)*-1;else return val}Buffer.prototype.readInt32LE=function(offset,noAssert){return _readInt32(this,offset,true,noAssert)};Buffer.prototype.readInt32BE=function(offset,noAssert){return _readInt32(this,offset,false,noAssert)};function _readFloat(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+3<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,23,4)}Buffer.prototype.readFloatLE=function(offset,noAssert){return _readFloat(this,offset,true,noAssert)};Buffer.prototype.readFloatBE=function(offset,noAssert){return _readFloat(this,offset,false,noAssert)};function _readDouble(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+7<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,52,8)}Buffer.prototype.readDoubleLE=function(offset,noAssert){return _readDouble(this,offset,true,noAssert)};Buffer.prototype.readDoubleBE=function(offset,noAssert){return _readDouble(this,offset,false,noAssert)};Buffer.prototype.writeUInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"trying to write beyond buffer length");verifuint(value,255)}if(offset>=this.length)return;this[offset]=value};function _writeUInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"trying to write beyond buffer length");verifuint(value,65535)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){_writeUInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){_writeUInt16(this,value,offset,false,noAssert)};function _writeUInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"trying to write beyond buffer length");verifuint(value,4294967295)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){_writeUInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){_writeUInt32(this,value,offset,false,noAssert)};Buffer.prototype.writeInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to write beyond buffer length");verifsint(value,127,-128)}if(offset>=this.length)return;if(value>=0)this.writeUInt8(value,offset,noAssert);else this.writeUInt8(255+value+1,offset,noAssert)};function _writeInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to write beyond buffer length");verifsint(value,32767,-32768)}var len=buf.length;if(offset>=len)return;if(value>=0)_writeUInt16(buf,value,offset,littleEndian,noAssert);else _writeUInt16(buf,65535+value+1,offset,littleEndian,noAssert)}Buffer.prototype.writeInt16LE=function(value,offset,noAssert){_writeInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){_writeInt16(this,value,offset,false,noAssert)};function _writeInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifsint(value,2147483647,-2147483648)}var len=buf.length;if(offset>=len)return;if(value>=0)_writeUInt32(buf,value,offset,littleEndian,noAssert);else _writeUInt32(buf,4294967295+value+1,offset,littleEndian,noAssert)}Buffer.prototype.writeInt32LE=function(value,offset,noAssert){_writeInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){_writeInt32(this,value,offset,false,noAssert)};function _writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,3.4028234663852886e38,-3.4028234663852886e38)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,23,4)}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){_writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){_writeFloat(this,value,offset,false,noAssert)};function _writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+7<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,1.7976931348623157e308,-1.7976931348623157e308)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,52,8)}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){_writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){_writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(typeof value==="string"){value=value.charCodeAt(0)}assert(typeof value==="number"&&!isNaN(value),"value is not a number");assert(end>=start,"end < start");if(end===start)return;if(this.length===0)return;assert(start>=0&&start<this.length,"start out of bounds");assert(end>=0&&end<=this.length,"end out of bounds");for(var i=start;i<end;i++){this[i]=value}};Buffer.prototype.inspect=function(){var out=[];var len=this.length;for(var i=0;i<len;i++){out[i]=toHex(this[i]);if(i===exports.INSPECT_MAX_BYTES){out[i+1]="...";break}}return"<Buffer "+out.join(" ")+">"};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer._useTypedArrays){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1)buf[i]=this[i];return buf.buffer}}else{throw new Error("Buffer.toArrayBuffer not supported in this browser")}};function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}var BP=Buffer.prototype;Buffer._augment=function(arr){arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};function clamp(index,len,defaultValue){if(typeof index!=="number")return defaultValue;index=~~index;if(index>=len)return len;if(index>=0)return index;index+=len;if(index>=0)return index;return 0}function coerce(length){length=~~Math.ceil(+length);return length<0?0:length}function isArray(subject){return(Array.isArray||function(subject){return Object.prototype.toString.call(subject)==="[object Array]"})(subject)}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){var b=str.charCodeAt(i);if(b<=127)byteArray.push(str.charCodeAt(i));else{var start=i;if(b>=55296&&b<=57343)i++;var h=encodeURIComponent(str.slice(start,i+1)).substr(1).split("%");for(var j=0;j<h.length;j++)byteArray.push(parseInt(h[j],16))}}return byteArray}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(str)}function blitBuffer(src,dst,offset,length){var pos;for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}function verifuint(value,max){assert(typeof value==="number","cannot write a non-number as a number");assert(value>=0,"specified a negative value for writing an unsigned value");assert(value<=max,"value is larger than maximum value for type");assert(Math.floor(value)===value,"value has a fractional component")}function verifsint(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value");assert(Math.floor(value)===value,"value has a fractional component")}function verifIEEE754(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value")}function assert(test,message){if(!test)throw new Error(message||"Failed assertion")}},{"base64-js":2,ieee754:3}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var ZERO="0".charCodeAt(0);var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS)return 62;if(code===SLASH)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}module.exports.toByteArray=b64ToByteArray;module.exports.fromByteArray=uint8ToBase64})()},{}],3:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],bhQa0t:[function(require,module,exports){"use strict";var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var glslify=require("glslify");var glm=require("gl-matrix");var normals=require("normals");var mat4=glm.mat4;var createMeshShaderGLSLify=require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec3 color;\nattribute vec3 normal;\nuniform mat4 model;\nuniform mat4 modelInverseTranspose;\nuniform mat4 view;\nuniform vec3 eyePosition;\nuniform mat4 projection;\nvarying vec3 f_position;\nvarying vec3 f_color;\nvarying vec3 f_normal;\nvarying vec3 viewDirection;\nvoid main() {\n  vec4 m_position = model * vec4(position, 1.0);\n  vec4 t_position = view * m_position;\n  gl_Position = projection * t_position;\n  f_color = color;\n  f_normal = normalize((modelInverseTranspose * vec4(normal, 0.0)).xyz);\n  f_position = m_position.xyz / m_position.w;\n  viewDirection = eyePosition - f_position;\n}","\n#define GLSLIFY 1\n\nprecision highp float;\nuniform vec3 lightPosition;\nuniform vec3 ambient;\nuniform vec3 diffuse;\nuniform vec3 specular;\nuniform float specularExponent;\nvarying vec3 f_position;\nvarying vec3 f_color;\nvarying vec3 f_normal;\nvarying vec3 viewDirection;\nvoid main() {\n  vec3 lightDirection = normalize(lightPosition - f_position);\n  vec3 normal = normalize(f_normal);\n  float diffuseIntensity = clamp(dot(normal, lightDirection), 0.0, 1.0);\n  vec3 halfView = normalize(lightDirection + normalize(viewDirection));\n  float specularIntensity = pow(clamp(dot(normal, halfView), 0.0, 1.0), specularExponent);\n  gl_FragColor = vec4(f_color * (ambient + diffuse * diffuseIntensity) + specular * specularIntensity, 1.0);\n}",[{name:"model",type:"mat4"},{name:"modelInverseTranspose",type:"mat4"},{name:"view",type:"mat4"},{name:"eyePosition",type:"vec3"},{name:"projection",type:"mat4"},{name:"lightPosition",type:"vec3"},{name:"ambient",type:"vec3"},{name:"diffuse",type:"vec3"},{name:"specular",type:"vec3"},{name:"specularExponent",type:"float"}],[{name:"position",type:"vec3"},{name:"color",type:"vec3"},{name:"normal",type:"vec3"}]);var createWireShaderGLSLify=require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec3 color;\nuniform mat4 model;\nuniform mat4 view;\nuniform mat4 projection;\nvarying vec3 f_color;\nvoid main() {\n  gl_Position = projection * view * model * vec4(position, 1.0);\n  f_color = color;\n}","\n#define GLSLIFY 1\n\nprecision highp float;\nvarying vec3 f_color;\nvoid main() {\n  gl_FragColor = vec4(f_color, 1.0);\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"}],[{name:"position",type:"vec3"},{name:"color",type:"vec3"}]);var createPointShaderGLSLify=require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec3 color;\nattribute float pointSize;\nuniform mat4 model;\nuniform mat4 view;\nuniform mat4 projection;\nvarying vec3 f_color;\nvoid main() {\n  gl_Position = projection * view * model * vec4(position, 1.0);\n  f_color = color;\n  gl_PointSize = pointSize;\n}","\n#define GLSLIFY 1\n\nprecision highp float;\nvarying vec3 f_color;\nvoid main() {\n  gl_FragColor = vec4(f_color, 1.0);\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"}],[{name:"position",type:"vec3"},{name:"color",type:"vec3"},{name:"pointSize",type:"float"}]);var identityMatrix=mat4.identity(mat4.create());function SimplicialMesh(gl,trianglePositions,triangleColors,triangleNormals,triangleVAO,edgePositions,edgeColors,edgeVAO,pointPositions,pointColors,pointSizes,pointVAO){this.gl=gl;this.trianglePositions=trianglePositions;this.triangleColors=triangleColors;this.triangleNormals=triangleNormals;this.triangleVAO=triangleVAO;this.triangleCount=0;this.edgePositions=edgePositions;this.edgeColors=edgeColors;this.edgeVAO=edgeVAO;this.edgeCount=0;this.pointPositions=pointPositions;this.pointColors=pointColors;this.pointSizes=pointSizes;this.pointVAO=pointVAO;this.pointCount=0}SimplicialMesh.prototype.update=function(params){params=params||{};var gl=this.gl;var cells=params.cells;var positions=params.positions;var tPos=[];var tCol=[];var tNor=[];var ePos=[];var eCol=[];var pPos=[];var pCol=[];var pSiz=[];var vertexNormals=params.vertexNormals;var cellNormals=params.cellNormals;if(params.useCellNormals&&!cellNormals){cellNormals=normals.facetNormals(cells,positions)}if(!cellNormals&&!vertexNormals){vertexNormals=normals.vertexNormals(cells,positions)}var vertexColors=params.vertexColors;var cellColors=params.cellColors;var meshColor=params.meshColor||[.7,.5,.2];if(meshColor.length!==3){throw new Error("bad mesh color")}var pointSizes=params.pointSizes;var meshPointSize=params.pointSize||1;var triangleCount=0;var edgeCount=0;var pointCount=0;for(var i=0;i<cells.length;++i){var c=cells[i];var n=cells[i].length;switch(n){case 1:++pointCount;pPos.push.apply(pPos,positions[c[0]]);if(vertexColors){pCol.push.apply(pCol,vertexColors[c[0]])}else if(cellColors){pCol.push.apply(pCol,cellColors[i])}else{pCol.push.apply(pCol,meshColor)}if(pointSizes){pSiz.push(pointSizes[c[0]])}else{pSiz.push(meshPointSize)}break;case 2:++edgeCount;for(var j=0;j<2;++j){var v=c[j];ePos.push.apply(ePos,positions[v]);if(vertexColors){eCol.push.apply(eCol,vertexColors[v])}else if(cellColors){eCol.push.apply(eCol,cellColors[i])}else{eCol.push.apply(eCol,meshColor)}}break;case 3:++triangleCount;for(var j=0;j<3;++j){var v=c[j];tPos.push.apply(tPos,positions[v]);if(vertexColors){tCol.push.apply(tCol,vertexColors[v])}else if(cellColors){tCol.push.apply(tCol,cellColors[i])}else{tCol.push.apply(tCol,meshColor)}if(vertexNormals){tNor.push.apply(tNor,vertexNormals[v])}else{tNor.push.apply(tNor,cellNormals[i])}}break;default:break}}this.pointCount=pointCount;this.edgeCount=edgeCount;this.triangleCount=triangleCount;this.pointPositions.update(pPos);this.pointColors.update(pCol);this.pointSizes.update(pSiz);this.edgePositions.update(ePos);this.edgeColors.update(eCol);this.trianglePositions.update(tPos);this.triangleColors.update(tCol);this.triangleNormals.update(tNor)};SimplicialMesh.prototype.draw=function(params){params=params||{};var gl=this.gl;var model=params.model||identityMatrix;var view=params.view||identityMatrix;var projection=params.projection||identityMatrix;if(this.triangleCount>0){var shader=gl.__SIMPLICIAL_MESH_SHADER;shader.bind();shader.uniforms.model=model;shader.uniforms.view=view;shader.uniforms.projection=projection;var eyePosition=mat4.invert(mat4.create(),view);shader.uniforms.lightPosition=params.lightPosition||[0,100,0];shader.uniforms.ambient=params.ambient||[.3,.3,.3];shader.uniforms.diffuse=params.diffuse||[.5,.5,.5];shader.uniforms.specular=params.specular||[1,1,1];shader.uniforms.specularExponent=params.specularExponent||10;shader.uniforms.eyePosition=[eyePosition[12],eyePosition[13],eyePosition[14]];var m=mat4.create();shader.uniforms.modelInverseTranspose=mat4.transpose(m,mat4.invert(m,model));this.triangleVAO.bind();gl.drawArrays(gl.TRIANGLES,0,this.triangleCount*3);this.triangleVAO.unbind()}if(this.edgeCount>0){var shader=gl.__SIMPLICIAL_WIRE_SHADER;shader.bind();shader.uniforms.model=model;shader.uniforms.view=view;shader.uniforms.projection=projection;this.edgeVAO.bind();gl.drawArrays(gl.LINES,0,this.edgeCount*2);this.edgeVAO.unbind()}if(this.pointCount>0){var shader=gl.__SIMPLICIAL_POINT_SHADER;shader.bind();shader.uniforms.model=model;shader.uniforms.view=view;shader.uniforms.projection=projection;this.pointVAO.bind();gl.drawArrays(gl.POINTS,0,this.pointCount);this.pointVAO.unbind()}};SimplicialMesh.prototype.dispose=function(){this.triangleVAO.dispose();this.edgeVAO.dispose();this.pointVAO.dispose();this.trianglePositions.dispose();this.triangleColors.dispose();this.triangleNormals.dispose();this.edgePositions.dispose();this.edgeColors.dispose();this.pointPositions.dispose();this.pointColors.dispose();this.pointSizes.dispose()};function createMeshShader(gl){var shader=createMeshShaderGLSLify(gl);shader.attributes.position.location=0;shader.attributes.color.location=1;shader.attributes.normal.location=2;return shader}function createWireShader(gl){var shader=createWireShaderGLSLify(gl);shader.attributes.position.location=0;shader.attributes.color.location=1;return shader}function createPointShader(gl){var shader=createPointShaderGLSLify(gl);shader.attributes.position.location=0;shader.attributes.color.location=1;shader.attributes.pointSize.location=2;return shader}function createSimplicialMesh(gl,params){if(!gl.__SIMPLICIAL_MESH_SHADER){gl.__SIMPLICIAL_MESH_SHADER=createMeshShader(gl)}if(!gl.__SIMPLICIAL_WIRE_SHADER){gl.__SIMPLICIAL_WIRE_SHADER=createWireShader(gl)}if(!gl.__SIMPLICIAL_POINT_SHADER){gl.__SIMPLICIAL_POINT_SHADER=createPointShader(gl)}var trianglePositions=createBuffer(gl,[]);var triangleColors=createBuffer(gl,[]);var triangleNormals=createBuffer(gl,[]);var triangleVAO=createVAO(gl,[{buffer:trianglePositions,type:gl.FLOAT,size:3},{buffer:triangleColors,type:gl.FLOAT,size:3},{buffer:triangleNormals,type:gl.FLOAT,size:3}]);var edgePositions=createBuffer(gl,[]);var edgeColors=createBuffer(gl,[]);var edgeVAO=createVAO(gl,[{buffer:edgePositions,type:gl.FLOAT,size:3},{buffer:edgeColors,type:gl.FLOAT,size:3}]);var pointPositions=createBuffer(gl,[]);var pointColors=createBuffer(gl,[]);var pointSizes=createBuffer(gl,[]);var pointVAO=createVAO(gl,[{buffer:pointPositions,type:gl.FLOAT,size:3},{buffer:pointColors,type:gl.FLOAT,size:3},{buffer:pointSizes,type:gl.FLOAT,size:1}]);var mesh=new SimplicialMesh(gl,trianglePositions,triangleColors,triangleNormals,triangleVAO,edgePositions,edgeColors,edgeVAO,pointPositions,pointColors,pointSizes,pointVAO);mesh.update(params);return mesh}module.exports=createSimplicialMesh},{"gl-buffer":6,"gl-matrix":17,"gl-vao":23,glslify:25,"glslify/adapter.js":24,normals:31}],"gl-simplicial-complex":[function(require,module,exports){module.exports=require("bhQa0t")},{}],6:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var ops=require("ndarray-ops");var ndarray=require("ndarray");function GLBuffer(gl,type,handle,length,usage){this.gl=gl;this.type=type;this.handle=handle;this.length=length;this.usage=usage}GLBuffer.prototype.bind=function(){this.gl.bindBuffer(this.type,this.handle)};GLBuffer.prototype.dispose=function(){this.gl.deleteBuffer(this.handle)};function updateTypeArray(gl,type,len,usage,data,offset){if(offset<=0&&data.length>len){gl.bufferData(type,data,usage);return data.length}if(data.length+offset>len){throw new Error("gl-buffer: If resizing buffer, offset must be 0")}gl.bufferSubData(type,offset,data);return len}function makeScratchTypeArray(array,dtype){var res=pool.malloc(array.length,dtype);var n=array.length;for(var i=0;i<n;++i){res[i]=array[i]}return res}GLBuffer.prototype.update=function(array,offset){if(!offset){offset=0}this.bind();if(typeof array==="number"){if(offset>0){throw new Error("gl-buffer: Cannot specify offset when resizing buffer")}this.gl.bufferData(this.type,array,this.usage);this.length=array}else if(array.shape){var dtype=array.dtype;if(dtype==="float64"||dtype==="array"||dtype==="generic"){dtype="float32"}if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){dtype="uint16"}if(array.shape.length!==1){throw new Error("gl-buffer: Array length must be 1")}if(dtype===array.dtype&&array.stride[0]===1){if(array.offset===0&&array.data.length===array.shape[0]){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset)}}else{var tmp=pool.malloc(array.shape[0],dtype);var ndt=ndarray(tmp);ops.assign(ndt,array);this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset);pool.free(tmp)}}else if(Array.isArray(array)){if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){var t=makeScratchTypeArray(array,"uint16");this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset);pool.freeUint16(t)}else{var t=makeScratchTypeArray(array,"float32");this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset);pool.freeFloat32(t)}}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset)}};GLBuffer.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this.type===gl.ARRAY_BUFFER){gl.drawArrays(mode,offset,count)}else if(this.type===gl.ELEMENT_ARRAY_BUFFER){this.bind();gl.drawElements(mode,count,gl.UNSIGNED_SHORT,offset)}else{throw new Error("Invalid type for WebGL buffer")}};function createBuffer(gl,type,data,usage){if(data===undefined){data=type;type=gl.ARRAY_BUFFER}if(!usage){usage=gl.DYNAMIC_DRAW}var len=0;var handle=gl.createBuffer();gl.bindBuffer(type,handle);if(typeof data==="number"){gl.bufferData(type,data,usage);len=data}else if(data instanceof Array){if(type===gl.ELEMENT_ARRAY_BUFFER){gl.bufferData(type,new Uint16Array(data),usage)}else{gl.bufferData(type,new Float32Array(data),usage)}len=data.length}else if(data.length){gl.bufferData(type,data,usage);len=data.length}else if(data.shape){var dtype=data.dtype;if(dtype==="float64"||dtype==="array"||dtype==="generic"){dtype="float32"}if(type===gl.ELEMENT_ARRAY_BUFFER){dtype="uint16"}if(data.shape.length!==1){throw new Error("gl-buffer: Array shape must be 1D")}var len=data.shape[0];if(dtype===data.type&&data.stride[0]===1){gl.bufferData(type,data.data.subarray(data.offset,data.offset+len),usage)}else{var tmp=pool.malloc(data.shape[0],dtype);var ndt=ndarray(tmp);ops.assign(ndt,data);gl.bufferData(type,tmp,usage);pool.free(tmp)}}else{throw new Error("gl-buffer: Invalid format for buffer data")}if(type!==gl.ARRAY_BUFFER&&type!==gl.ELEMENT_ARRAY_BUFFER){throw new Error("gl-buffer: Invalid type for webgl buffer")}if(usage!==gl.DYNAMIC_DRAW&&usage!==gl.STATIC_DRAW&&usage!==gl.STREAM_DRAW){throw new Error("gl-buffer: Invalid usage for buffer")}return new GLBuffer(gl,type,handle,len,usage)}module.exports=createBuffer},{ndarray:12,"ndarray-ops":7,"typedarray-pool":16}],7:[function(require,module,exports){"use strict";var compile=require("cwise-compiler");var EmptyProc={body:"",args:[],thisVars:[],localVars:[]};function fixup(x){if(!x){return EmptyProc}for(var i=0;i<x.args.length;++i){var a=x.args[i];if(i===0){x.args[i]={name:a,lvalue:true,rvalue:!!x.rvalue,count:x.count||1}}else{x.args[i]={name:a,lvalue:false,rvalue:true,count:1}}}if(!x.thisVars){x.thisVars=[]}if(!x.localVars){x.localVars=[]}return x}function pcompile(user_args){return compile({args:user_args.args,pre:fixup(user_args.pre),body:fixup(user_args.body),post:fixup(user_args.proc),funcName:user_args.funcName})}function makeOp(user_args){var args=[];for(var i=0;i<user_args.args.length;++i){args.push("a"+i)}var wrapper=new Function("P",["return function ",user_args.funcName,"_ndarrayops(",args.join(","),") {P(",args.join(","),");return a0}"].join(""));return wrapper(pcompile(user_args))}var assign_ops={add:"+",sub:"-",mul:"*",div:"/",mod:"%",band:"&",bor:"|",bxor:"^",lshift:"<<",rshift:">>",rrshift:">>>"};(function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;i<math_unary.length;++i){var f=math_unary[i];exports[f]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b)",thisVars:["this_f"]},funcName:f});
exports[f+"eq"]=makeOp({args:["array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a"],body:"a=this_f(a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"})}})();var math_comm=["max","min","atan2","pow"];(function(){for(var i=0;i<math_comm.length;++i){var f=math_comm[i];exports[f]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f});exports[f+"s"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f+"s"});exports[f+"eq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"});exports[f+"seq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"seq"})}})();var math_noncomm=["atan2","pow"];(function(){for(var i=0;i<math_noncomm.length;++i){var f=math_noncomm[i];exports[f+"op"]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"op"});exports[f+"ops"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"ops"});exports[f+"opeq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opeq"});exports[f+"opseq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opseq"})}})();exports.any=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"if(a){return true}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return false"},funcName:"any"});exports.all=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1}],body:"if(!x){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"all"});exports.sum=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s+=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"sum"});exports.prod=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=1"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s*=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"prod"});exports.norm2squared=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm2squared"});exports.norm2=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return Math.sqrt(this_s)"},funcName:"norm2"});exports.norminf=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:4}],body:"if(-a>this_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_<this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.argmin=compile({args:["index","array","shape"],pre:{body:"{this_v=Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_<this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.argmax=compile({args:["index","array","shape"],pre:{body:"{this_v=-Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_>this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":8}],8:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i<proc_args.length;++i){var arg_type=proc_args[i];if(arg_type==="array"){proc.arrayArgs.push(i);proc.shimArgs.push("array"+i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array args")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array index")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array index")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].lvalue){throw new Error("cwise: pre() block may not write to array shape")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array shape")}if(i<proc.post.args.length&&proc.post.args[i].lvalue){throw new Error("cwise: post() block may not write to array shape")}}else if(typeof arg_type==="object"&&arg_type.offset){proc.argTypes[i]="offset";proc.offsetArgs.push({array:arg_type.array,offset:arg_type.offset});proc.offsetArgIndex.push(i)}else{throw new Error("cwise: Unknown argument type "+proc_args[i])}}if(proc.arrayArgs.length<=0){throw new Error("cwise: No array arguments specified")}if(proc.pre.args.length>proc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":10}],9:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;for(i=0;i<dimension;++i){vars.push(["i",i,"=0"].join(""))}for(j=0;j<nargs;++j){for(i=0;i<dimension;++i){pidx=idx;idx=order[i];if(i===0){vars.push(["d",j,"s",i,"=t",j,"p",idx].join(""))}else{vars.push(["d",j,"s",i,"=(t",j,"p",idx,"-s",pidx,"*t",j,"p",pidx,")"].join(""))}}}code.push("var "+vars.join(","));for(i=dimension-1;i>=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"<s",idx,";++i",i,"){"].join(""))}code.push(body);for(i=0;i<dimension;++i){pidx=idx;idx=order[i];for(j=0;j<nargs;++j){code.push(["p",j,"+=d",j,"s",i].join(""))}if(has_index){if(i>0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i<nargs;++i){code.push(["var offset",i,"=p",i].join(""))}for(var i=matched;i<dimension;++i){code.push(["for(var j"+i+"=SS[",order[i],"]|0;j",i,">0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i<nargs;++i){var indexStr=["offset"+i];for(var j=matched;j<dimension;++j){indexStr.push(["j",j,"*t",i,"p",order[j]].join(""))}code.push(["p",i,"=(",indexStr.join("+"),")"].join(""))}code.push(innerFill(order,proc,body));for(var i=matched;i<dimension;++i){code.push("}")}return code.join("\n")}function countMatches(orders){var matched=0,dimension=orders[0].length;while(matched<dimension){for(var j=1;j<orders.length;++j){if(orders[j][matched]!==orders[0][matched]){return matched}}++matched}return matched}function processBlock(block,proc,dtypes){var code=block.body;var pre=[];var post=[];for(var i=0;i<block.args.length;++i){var carg=block.args[i];if(carg.count<=0){continue}var re=new RegExp(carg.name,"g");var ptrStr="";var arrNum=proc.arrayArgs.indexOf(i);switch(proc.argTypes[i]){case"offset":var offArgIndex=proc.offsetArgIndex.indexOf(i);var offArg=proc.offsetArgs[offArgIndex];arrNum=offArg.array;ptrStr="+q"+offArgIndex;case"array":ptrStr="p"+arrNum+ptrStr;var localStr="l"+i;var arrStr="a"+arrNum;if(carg.count===1){if(dtypes[arrNum]==="generic"){if(carg.lvalue){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}else{code=code.replace(re,[arrStr,".get(",ptrStr,")"].join(""))}}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}else if(dtypes[arrNum]==="generic"){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}}else{pre.push(["var ",localStr,"=",arrStr,"[",ptrStr,"]"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,"[",ptrStr,"]=",localStr].join(""))}}break;case"scalar":code=code.replace(re,"Y"+proc.scalarArgs.indexOf(i));break;case"index":code=code.replace(re,"index");break;case"shape":code=code.replace(re,"shape");break}}return[pre.join("\n"),code,post.join("\n")].join("\n").trim()}function typeSummary(dtypes){var summary=new Array(dtypes.length);var allEqual=true;for(var i=0;i<dtypes.length;++i){var t=dtypes[i];var digits=t.match(/\d+/);if(!digits){digits=""}else{digits=digits[0]}if(t.charAt(0)===0){summary[i]="u"+t.charAt(1)+digits}else{summary[i]=t.charAt(0)+digits}if(i>0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);var arglist=["SS"];var code=["'use strict'"];var vars=[];for(var j=0;j<dimension;++j){vars.push(["s",j,"=SS[",j,"]"].join(""))}for(var i=0;i<proc.arrayArgs.length;++i){arglist.push("a"+i);arglist.push("t"+i);arglist.push("p"+i);dtypes[i]=typesig[2*i];orders[i]=typesig[2*i+1];for(var j=0;j<dimension;++j){vars.push(["t",i,"p",j,"=t",i,"[",j,"]"].join(""))}}for(var i=0;i<proc.scalarArgs.length;++i){arglist.push("Y"+i)}if(proc.shapeArgs.length>0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i<dimension;++i){zeros[i]="0"}vars.push(["index=[",zeros.join(","),"]"].join(""))}for(var i=0;i<proc.offsetArgs.length;++i){var off_arg=proc.offsetArgs[i];var init_string=[];for(var j=0;j<off_arg.offset.length;++j){if(off_arg.offset[j]===0){continue}else if(off_arg.offset[j]===1){init_string.push(["t",off_arg.array,"p",j].join(""))}else{init_string.push([off_arg.offset[j],"*t",off_arg.array,"p",j].join(""))}}if(init_string.length===0){vars.push("q"+i+"=0")}else{vars.push(["q",i,"=",init_string.join("+")].join(""))}}var thisVars=uniq([].concat(proc.pre.thisVars).concat(proc.body.thisVars).concat(proc.post.thisVars));vars=vars.concat(thisVars);code.push("var "+vars.join(","));for(var i=0;i<proc.arrayArgs.length;++i){code.push("p"+i+"|=0")}if(proc.pre.body.length>3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(orders);if(matched<dimension){code.push(outerFill(matched,orders[0],proc,body))}else{code.push(innerFill(orders[0],proc,body))}if(proc.post.body.length>3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("Generated cwise routine for ",typesig,":\n\n",code.join("\n"))}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:11}],10:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape"].join("")];for(var i=0;i<proc.arrayArgs.length;++i){var j=proc.arrayArgs[i];vars.push(["t",j,"=array",j,".dtype,","r",j,"=array",j,".order"].join(""));typesig.push("t"+j);typesig.push("r"+j);string_typesig.push("t"+j);string_typesig.push("r"+j+".join()");proc_args.push("array"+j+".data");proc_args.push("array"+j+".stride");proc_args.push("array"+j+".offset|0")}for(var i=0;i<proc.scalarArgs.length;++i){proc_args.push("scalar"+proc.scalarArgs[i])}vars.push(["type=[",string_typesig.join(","),"].join()"].join(""));vars.push("proc=CACHED[type]");code.push("var "+vars.join(","));code.push(["if(!proc){","CACHED[type]=proc=compile([",typesig.join(","),"])}","return proc(",proc_args.join(","),")}"].join(""));if(proc.debug){console.log("Generated thunk:",code.join("\n"))}var thunk=new Function("compile",code.join("\n"));return thunk(compile.bind(undefined,proc))}module.exports=createThunk},{"./compile.js":9}],11:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],12:[function(require,module,exports){(function(Buffer){var iota=require("iota-array");var arrayMethods=["concat","join","slice","toString","indexOf","lastIndexOf","forEach","every","some","filter","map","reduce","reduceRight"];var hasTypedArrays=typeof Float64Array!=="undefined";var hasBuffer=typeof Buffer!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;i<terms.length;++i){terms[i]=[Math.abs(stride[i]),i]}terms.sort(compare1st);var result=new Array(terms.length);for(i=0;i<result.length;++i){result[i]=terms[i][1]}return result}function compileConstructor(dtype,dimension){var className=["View",dimension,"d",dtype].join("");if(dimension<0){className="View_Nil"+dtype}var useGetters=dtype==="generic";if(dimension===-1){var code="function "+className+"(a){this.data=a;};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return -1};proto.size=0;proto.dimension=-1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function(){return new "+className+"(this.data);};proto.get=proto.set=function(){};proto.pick=function(){return null};return function construct_"+className+"(a){return new "+className+"(a);}";var procedure=new Function(code);return procedure()}else if(dimension===0){var code="function "+className+"(a,d) {this.data = a;this.offset = d};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return this.offset};proto.dimension=0;proto.size=1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function "+className+"_copy() {return new "+className+"(this.data,this.offset)};proto.pick=function "+className+"_pick(){return TrivialArray(this.data);};proto.valueOf=proto.get=function "+className+"_get(){return "+(useGetters?"this.data.get(this.offset)":"this.data[this.offset]")+"};proto.set=function "+className+"_set(v){return "+(useGetters?"this.data.set(this.offset,v)":"this.data[this.offset]=v")+"};return function construct_"+className+"(a,b,c,d){return new "+className+"(a,d)}";var procedure=new Function("TrivialArray",code);return procedure(CACHED_CONSTRUCTORS[dtype][0])}var code=["'use strict'"];var indices=iota(dimension);var args=indices.map(function(i){return"i"+i});var index_str="this.offset+"+indices.map(function(i){return"this._stride"+i+"*i"+i}).join("+");code.push("function "+className+"(a,"+indices.map(function(i){return"b"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",d){this.data=a");for(var i=0;i<dimension;++i){code.push("this._shape"+i+"=b"+i+"|0")}for(var i=0;i<dimension;++i){code.push("this._stride"+i+"=c"+i+"|0")}code.push("this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);var strideClassName="VStride"+dimension+"d"+dtype;var shapeClassName="VShape"+dimension+"d"+dtype;var props={stride:strideClassName,shape:shapeClassName};for(var prop in props){var arrayName=props[prop];code.push("function "+arrayName+"(v) {this._v=v} var aproto="+arrayName+".prototype","aproto.length="+dimension);var array_elements=[];for(var i=0;i<dimension;++i){array_elements.push(["this._v._",prop,i].join(""))}code.push("aproto.toJSON=function "+arrayName+"_toJSON(){return ["+array_elements.join(",")+"]}","aproto.valueOf=aproto.toString=function "+arrayName+"_toString(){return ["+array_elements.join(",")+"].join()}");for(var i=0;i<dimension;++i){code.push("Object.defineProperty(aproto,"+i+",{get:function(){return this._v._"+prop+i+"},set:function(v){return this._v._"+prop+i+"=v|0},enumerable:true})")}for(var i=0;i<arrayMethods.length;++i){if(arrayMethods[i]in Array.prototype){code.push("aproto."+arrayMethods[i]+"=Array.prototype."+arrayMethods[i])}}code.push(["Object.defineProperty(proto,'",prop,"',{get:function ",arrayName,"_get(){return new ",arrayName,"(this)},set: function ",arrayName,"_set(v){"].join(""));for(var i=0;i<dimension;++i){code.push("this._"+prop+i+"=v["+i+"]|0")}code.push("return v}})")}code.push("Object.defineProperty(proto,'size',{get:function "+className+"_size(){return "+indices.map(function(i){return"this._shape"+i}).join("*"),"}})");if(dimension===1){code.push("proto.order=[0]")}else{code.push("Object.defineProperty(proto,'order',{get:");if(dimension<4){code.push("function "+className+"_order(){");if(dimension===2){code.push("return (Math.abs(this._stride0)>Math.abs(this._stride1))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this._stride0),s1=Math.abs(this._stride1),s2=Math.abs(this._stride2);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this._shape",i,":i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this._stride"+i}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this._shape"+i});var c_vars=indices.map(function(i){return"c"+i+"=this._stride"+i});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this._shape"+i}).join(",")+","+indices.map(function(i){return"b"+i+"=this._stride"+i}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'){d=i"+i+"|0;if(d<0){c+=b"+i+"*(a"+i+"-1);a"+i+"=ceil(-a"+i+"/d)}else{a"+i+"=ceil(a"+i+"/d)}b"+i+"*=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"b"+i}).join(",")+",c)}");var tShape=new Array(dimension);var tStride=new Array(dimension);for(var i=0;i<dimension;++i){tShape[i]="a[i"+i+"]";tStride[i]="b[i"+i+"]"}code.push("proto.transpose=function "+className+"_transpose("+args+"){"+args.map(function(n,idx){return n+"=("+n+"===undefined?"+idx+":"+n+"|0)"}).join(";"),"var a=this.shape,b=this.stride;return new "+className+"(this.data,"+tShape.join(",")+","+tStride.join(",")+",this.offset)}");code.push("proto.pick=function "+className+"_pick("+args+"){var a=[],b=[],c=this.offset");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){c=(c+this._stride"+i+"*i"+i+")|0}else{a.push(this._shape"+i+");b.push(this._stride"+i+")}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(hasBuffer){if(Buffer.isBuffer(data)){return"buffer"}}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i<d;++i){if(stride[i]<0){offset-=(shape[i]-1)*stride[i]}}}var dtype=arrayDType(data);var ctor_list=CACHED_CONSTRUCTORS[dtype];while(ctor_list.length<=d+1){ctor_list.push(compileConstructor(dtype,ctor_list.length-1))}var ctor=ctor_list[d+1];return ctor(data,shape,stride,offset)}module.exports=wrappedNDArrayCtor}).call(this,require("buffer").Buffer)},{buffer:1,"iota-array":13}],13:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],14:[function(require,module,exports){"use strict";"use restrict";var INT_BITS=32;exports.INT_BITS=INT_BITS;exports.INT_MAX=2147483647;exports.INT_MIN=-1<<INT_BITS-1;exports.sign=function(v){return(v>0)-(v<0)};exports.abs=function(v){var mask=v>>INT_BITS-1;return(v^mask)-mask};exports.min=function(x,y){return y^(x^y)&-(x<y)};exports.max=function(x,y){return x^(x^y)&-(x<y)};exports.isPow2=function(v){return!(v&v-1)&&!!v};exports.log2=function(v){var r,shift;r=(v>65535)<<4;v>>>=r;shift=(v>255)<<3;v>>>=shift;r|=shift;shift=(v>15)<<2;v>>>=shift;r|=shift;shift=(v>3)<<1;v>>>=shift;r|=shift;return r|v>>1};exports.log10=function(v){return v>=1e9?9:v>=1e8?8:v>=1e7?7:v>=1e6?6:v>=1e5?5:v>=1e4?4:v>=1e3?3:v>=100?2:v>=10?1:0};exports.popCount=function(v){v=v-(v>>>1&1431655765);v=(v&858993459)+(v>>>2&858993459);return(v+(v>>>4)&252645135)*16843009>>>24};function countTrailingZeros(v){var c=32;v&=-v;if(v)c--;if(v&65535)c-=16;if(v&16711935)c-=8;if(v&252645135)c-=4;if(v&858993459)c-=2;if(v&1431655765)c-=1;return c}exports.countTrailingZeros=countTrailingZeros;exports.nextPow2=function(v){v+=v===0;--v;v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v+1};exports.prevPow2=function(v){v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v-(v>>>1)};exports.parity=function(v){v^=v>>>16;v^=v>>>8;v^=v>>>4;v&=15;return 27030>>>v&1};var REVERSE_TABLE=new Array(256);(function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1){r<<=1;r|=v&1;--s}tab[i]=r<<s&255}})(REVERSE_TABLE);exports.reverse=function(v){return REVERSE_TABLE[v&255]<<24|REVERSE_TABLE[v>>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]};exports.interleave2=function(x,y){x&=65535;x=(x|x<<8)&16711935;x=(x|x<<4)&252645135;x=(x|x<<2)&858993459;x=(x|x<<1)&1431655765;y&=65535;y=(y|y<<8)&16711935;y=(y|y<<4)&252645135;y=(y|y<<2)&858993459;y=(y|y<<1)&1431655765;return x|y<<1};exports.deinterleave2=function(v,n){v=v>>>n&1431655765;v=(v|v>>>1)&858993459;v=(v|v>>>2)&252645135;v=(v|v>>>4)&16711935;v=(v|v>>>16)&65535;return v<<16>>16};exports.interleave3=function(x,y,z){x&=1023;x=(x|x<<16)&4278190335;x=(x|x<<8)&251719695;x=(x|x<<4)&3272356035;x=(x|x<<2)&1227133513;y&=1023;y=(y|y<<16)&4278190335;y=(y|y<<8)&251719695;y=(y|y<<4)&3272356035;y=(y|y<<2)&1227133513;x|=y<<1;z&=1023;z=(z|z<<16)&4278190335;z=(z|z<<8)&251719695;z=(z|z<<4)&3272356035;z=(z|z<<2)&1227133513;return x|z<<2};exports.deinterleave3=function(v,n){v=v>>>n&1227133513;v=(v|v>>>2)&3272356035;v=(v|v>>>4)&251719695;v=(v|v>>>8)&4278190335;v=(v|v>>>16)&1023;return v<<22>>22};exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],15:[function(require,module,exports){"use strict";function dupe_array(count,value,i){var c=count[i]|0;if(c<=0){return[]}var result=new Array(c),j;if(i===count.length-1){for(j=0;j<c;++j){result[j]=value}}else{for(j=0;j<c;++j){result[j]=dupe_array(count,value,i+1)}}return result}function dupe_number(count,value){var result,i;result=new Array(count);for(i=0;i<count;++i){result[i]=value}return result}function dupe(count,value){if(typeof value==="undefined"){value=0}switch(typeof count){case"number":if(count>0){return dupe_number(count|0,value)}break;case"object":if(typeof count.length==="number"){return dupe_array(count,value,0)}break}return[]}module.exports=dupe},{}],16:[function(require,module,exports){(function(global){"use strict";var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0])}}var POOL=global.__TYPEDARRAY_POOL;var UINT8=POOL.UINT8,UINT16=POOL.UINT16,UINT32=POOL.UINT32,INT8=POOL.INT8,INT16=POOL.INT16,INT32=POOL.INT32,FLOAT=POOL.FLOAT,DOUBLE=POOL.DOUBLE,DATA=POOL.DATA;exports.free=function free(array){if(array instanceof ArrayBuffer){var n=array.byteLength|0,log_n=bits.log2(n);DATA[log_n].push(array)}else{var n=array.length|0,log_n=bits.log2(n);if(array instanceof Uint8Array){UINT8[log_n].push(array)}else if(array instanceof Uint16Array){UINT16[log_n].push(array)}else if(array instanceof Uint32Array){UINT32[log_n].push(array)}else if(array instanceof Int8Array){INT8[log_n].push(array)}else if(array instanceof Int16Array){INT16[log_n].push(array)}else if(array instanceof Int32Array){INT32[log_n].push(array)
}else if(array instanceof Float32Array){FLOAT[log_n].push(array)}else if(array instanceof Float64Array){DOUBLE[log_n].push(array)}}};exports.freeUint8=function freeUint8(array){UINT8[bits.log2(array.length)].push(array)};exports.freeUint16=function freeUint16(array){UINT16[bits.log2(array.length)].push(array)};exports.freeUint32=function freeUint32(array){UINT32[bits.log2(array.length)].push(array)};exports.freeInt8=function freeInt8(array){INT8[bits.log2(array.length)].push(array)};exports.freeInt16=function freeInt16(array){INT16[bits.log2(array.length)].push(array)};exports.freeInt32=function freeInt32(array){INT32[bits.log2(array.length)].push(array)};exports.freeFloat32=exports.freeFloat=function freeFloat(array){FLOAT[bits.log2(array.length)].push(array)};exports.freeFloat64=exports.freeDouble=function freeDouble(array){DOUBLE[bits.log2(array.length)].push(array)};exports.freeArrayBuffer=function freeArrayBuffer(array){DATA[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){n=bits.nextPow2(n);var log_n=bits.log2(n);if(dtype===undefined){var d=DATA[log_n];if(d.length>0){var r=d[d.length-1];d.pop();return r}return new ArrayBuffer(n)}else{switch(dtype){case"uint8":var u8=UINT8[log_n];if(u8.length>0){return u8.pop()}return new Uint8Array(n);break;case"uint16":var u16=UINT16[log_n];if(u16.length>0){return u16.pop()}return new Uint16Array(n);break;case"uint32":var u32=UINT32[log_n];if(u32.length>0){return u32.pop()}return new Uint32Array(n);break;case"int8":var i8=INT8[log_n];if(i8.length>0){return i8.pop()}return new Int8Array(n);break;case"int16":var i16=INT16[log_n];if(i16.length>0){return i16.pop()}return new Int16Array(n);break;case"int32":var i32=INT32[log_n];if(i32.length>0){return i32.pop()}return new Int32Array(n);break;case"float":case"float32":var f=FLOAT[log_n];if(f.length>0){return f.pop()}return new Float32Array(n);break;case"double":case"float64":var dd=DOUBLE[log_n];if(dd.length>0){return dd.pop()}return new Float64Array(n);break;default:return null}}return null};exports.mallocUint8=function mallocUint8(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=UINT8[log_n];if(cache.length>0){return cache.pop()}return new Uint8Array(n)};exports.mallocUint16=function mallocUint16(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=UINT16[log_n];if(cache.length>0){return cache.pop()}return new Uint16Array(n)};exports.mallocUint32=function mallocUint32(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=UINT32[log_n];if(cache.length>0){return cache.pop()}return new Uint32Array(n)};exports.mallocInt8=function mallocInt8(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=INT8[log_n];if(cache.length>0){return cache.pop()}return new Int8Array(n)};exports.mallocInt16=function mallocInt16(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=INT16[log_n];if(cache.length>0){return cache.pop()}return new Int16Array(n)};exports.mallocInt32=function mallocInt32(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=INT32[log_n];if(cache.length>0){return cache.pop()}return new Int32Array(n)};exports.mallocFloat32=exports.mallocFloat=function mallocFloat(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=FLOAT[log_n];if(cache.length>0){return cache.pop()}return new Float32Array(n)};exports.mallocFloat64=exports.mallocDouble=function mallocDouble(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=DOUBLE[log_n];if(cache.length>0){return cache.pop()}return new Float64Array(n)};exports.mallocArrayBuffer=function mallocArrayBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=DATA[log_n];if(cache.length>0){return cache.pop()}return new ArrayBuffer(n)};exports.clearCache=function clearCache(){for(var i=0;i<32;++i){UINT8[i].length=0;UINT16[i].length=0;UINT32[i].length=0;INT8[i].length=0;INT16[i].length=0;INT32[i].length=0;FLOAT[i].length=0;DOUBLE[i].length=0;DATA[i].length=0}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"bit-twiddle":14,dup:15}],17:[function(require,module,exports){(function(){"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{shim.exports=window}}else{shim.exports=exports}(function(exports){if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}if(!GLMAT_ARRAY_TYPE){var GLMAT_ARRAY_TYPE=typeof Float32Array!=="undefined"?Float32Array:Array}var glMatrix={};glMatrix.setMatrixArrayType=function(type){GLMAT_ARRAY_TYPE=type};if(typeof exports!=="undefined"){exports.glMatrix=glMatrix}var vec2={};vec2.create=function(){var out=new GLMAT_ARRAY_TYPE(2);out[0]=0;out[1]=0;return out};vec2.clone=function(a){var out=new GLMAT_ARRAY_TYPE(2);out[0]=a[0];out[1]=a[1];return out};vec2.fromValues=function(x,y){var out=new GLMAT_ARRAY_TYPE(2);out[0]=x;out[1]=y;return out};vec2.copy=function(out,a){out[0]=a[0];out[1]=a[1];return out};vec2.set=function(out,x,y){out[0]=x;out[1]=y;return out};vec2.add=function(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];return out};vec2.subtract=function(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];return out};vec2.sub=vec2.subtract;vec2.multiply=function(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];return out};vec2.mul=vec2.multiply;vec2.divide=function(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];return out};vec2.div=vec2.divide;vec2.min=function(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);return 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};vec2.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;return out};vec2.distance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return Math.sqrt(x*x+y*y)};vec2.dist=vec2.distance;vec2.squaredDistance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return x*x+y*y};vec2.sqrDist=vec2.squaredDistance;vec2.length=function(a){var x=a[0],y=a[1];return Math.sqrt(x*x+y*y)};vec2.len=vec2.length;vec2.squaredLength=function(a){var x=a[0],y=a[1];return x*x+y*y};vec2.sqrLen=vec2.squaredLength;vec2.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];return out};vec2.normalize=function(out,a){var x=a[0],y=a[1];var len=x*x+y*y;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len}return out};vec2.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]};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};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};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};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};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};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};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}}();vec2.str=function(a){return"vec2("+a[0]+", "+a[1]+")"};if(typeof exports!=="undefined"){exports.vec2=vec2}var vec3={};vec3.create=function(){var out=new GLMAT_ARRAY_TYPE(3);out[0]=0;out[1]=0;out[2]=0;return out};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};vec3.fromValues=function(x,y,z){var out=new GLMAT_ARRAY_TYPE(3);out[0]=x;out[1]=y;out[2]=z;return out};vec3.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];return out};vec3.set=function(out,x,y,z){out[0]=x;out[1]=y;out[2]=z;return 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};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};vec3.sub=vec3.subtract;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};vec3.mul=vec3.multiply;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};vec3.div=vec3.divide;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};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};vec3.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;return out};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)};vec3.dist=vec3.distance;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};vec3.sqrDist=vec3.squaredDistance;vec3.length=function(a){var x=a[0],y=a[1],z=a[2];return Math.sqrt(x*x+y*y+z*z)};vec3.len=vec3.length;vec3.squaredLength=function(a){var x=a[0],y=a[1],z=a[2];return x*x+y*y+z*z};vec3.sqrLen=vec3.squaredLength;vec3.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];return 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){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len}return out};vec3.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]};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};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};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};vec3.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],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;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};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}}();vec3.str=function(a){return"vec3("+a[0]+", "+a[1]+", "+a[2]+")"};if(typeof exports!=="undefined"){exports.vec3=vec3}var vec4={};vec4.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=0;return out};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};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};vec4.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};vec4.set=function(out,x,y,z,w){out[0]=x;out[1]=y;out[2]=z;out[3]=w;return 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};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};vec4.sub=vec4.subtract;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};vec4.mul=vec4.multiply;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};vec4.div=vec4.divide;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};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};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};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)};vec4.dist=vec4.distance;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};vec4.sqrDist=vec4.squaredDistance;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)};vec4.len=vec4.length;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};vec4.sqrLen=vec4.squaredLength;vec4.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=-a[3];return 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};vec4.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]};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};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};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],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;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};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}}();vec4.str=function(a){return"vec4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.vec4=vec4}var mat2={};var mat2Identity=new Float32Array([1,0,0,1]);mat2.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};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};mat2.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};mat2.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};mat2.transpose=function(out,a){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};mat2.invert=function(out,a){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],det=a0*a3-a2*a1;if(!det){return null}det=1/det;out[0]=a3*det;out[1]=-a1*det;out[2]=-a2*det;out[3]=a0*det;return out};mat2.adjoint=function(out,a){var a0=a[0];out[0]=a[3];out[1]=-a[1];out[2]=-a[2];out[3]=a0;return out};mat2.determinant=function(a){return a[0]*a[3]-a[2]*a[1]};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+a1*b2;out[1]=a0*b1+a1*b3;out[2]=a2*b0+a3*b2;out[3]=a2*b1+a3*b3;return out};mat2.mul=mat2.multiply;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+a1*s;out[1]=a0*-s+a1*c;out[2]=a2*c+a3*s;out[3]=a2*-s+a3*c;return 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*v1;out[2]=a2*v0;out[3]=a3*v1;return out};mat2.str=function(a){return"mat2("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.mat2=mat2}var mat2d={};var mat2dIdentity=new Float32Array([1,0,0,1,0,0]);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};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};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};mat2d.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;out[4]=0;out[5]=0;return 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/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};mat2d.determinant=function(a){return a[0]*a[3]-a[1]*a[2]};mat2d.multiply=function(out,a,b){var aa=a[0],ab=a[1],ac=a[2],ad=a[3],atx=a[4],aty=a[5],ba=b[0],bb=b[1],bc=b[2],bd=b[3],btx=b[4],bty=b[5];out[0]=aa*ba+ab*bc;out[1]=aa*bb+ab*bd;out[2]=ac*ba+ad*bc;out[3]=ac*bb+ad*bd;out[4]=ba*atx+bc*aty+btx;out[5]=bb*atx+bd*aty+bty;return out};mat2d.mul=mat2d.multiply;mat2d.rotate=function(out,a,rad){var aa=a[0],ab=a[1],ac=a[2],ad=a[3],atx=a[4],aty=a[5],st=Math.sin(rad),ct=Math.cos(rad);out[0]=aa*ct+ab*st;out[1]=-aa*st+ab*ct;out[2]=ac*ct+ad*st;out[3]=-ac*st+ct*ad;out[4]=ct*atx+st*aty;out[5]=ct*aty-st*atx;return out};mat2d.scale=function(out,a,v){var vx=v[0],vy=v[1];out[0]=a[0]*vx;out[1]=a[1]*vy;out[2]=a[2]*vx;out[3]=a[3]*vy;out[4]=a[4]*vx;out[5]=a[5]*vy;return out};mat2d.translate=function(out,a,v){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4]+v[0];out[5]=a[5]+v[1];return out};mat2d.str=function(a){return"mat2d("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+")"};if(typeof exports!=="undefined"){exports.mat2d=mat2d}var mat3={};var mat3Identity=new Float32Array([1,0,0,0,1,0,0,0,1]);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};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};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};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};mat3.transpose=function(out,a){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};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,det=a00*b01+a01*b11+a02*b21;if(!det){return null}det=1/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};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};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)};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};mat3.mul=mat3.multiply;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};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};mat3.scale=function(out,a,v){var x=v[0],y=v[2];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};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};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,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]=xy-wz;out[4]=1-(xx+zz);out[5]=yz+wx;out[6]=xz+wy;out[7]=yz-wx;out[8]=1-(xx+yy);return out};mat3.str=function(a){return"mat3("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+")"};if(typeof exports!=="undefined"){exports.mat3=mat3}var mat4={};var mat4Identity=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);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};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};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};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};mat4.transpose=function(out,a){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};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,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/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};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};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;return b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06};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];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};mat4.mul=mat4.multiply;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};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};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];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;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){out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}return 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){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]}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};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){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]}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};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){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]}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};mat4.fromRotationTranslation=function(out,q,v){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,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]=0;out[13]=0;out[14]=0;out[15]=1;return 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};mat4.perspective=function(out,fovy,aspect,near,far){var f=1/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};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};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};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]+")"};if(typeof exports!=="undefined"){exports.mat4=mat4}var quat={};var quatIdentity=new Float32Array([0,0,0,1]);quat.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.clone=vec4.clone;quat.fromValues=vec4.fromValues;quat.copy=vec4.copy;quat.set=vec4.set;quat.identity=function(out){out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.setAxisAngle=function(out,axis,rad){rad=rad*.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};quat.add=vec4.add;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};quat.mul=quat.multiply;quat.scale=vec4.scale;quat.rotateX=function(out,a,rad){rad*=.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};quat.rotateY=function(out,a,rad){rad*=.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};quat.rotateZ=function(out,a,rad){rad*=.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};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-x*x-y*y-z*z));return out};quat.dot=vec4.dot;quat.lerp=vec4.lerp;quat.slerp=function(out,a,b,t){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 cosHalfTheta=ax*bx+ay*by+az*bz+aw*bw,halfTheta,sinHalfTheta,ratioA,ratioB;if(Math.abs(cosHalfTheta)>=1){if(out!==a){out[0]=ax;out[1]=ay;out[2]=az;out[3]=aw}return out}halfTheta=Math.acos(cosHalfTheta);sinHalfTheta=Math.sqrt(1-cosHalfTheta*cosHalfTheta);if(Math.abs(sinHalfTheta)<.001){out[0]=ax*.5+bx*.5;out[1]=ay*.5+by*.5;out[2]=az*.5+bz*.5;out[3]=aw*.5+bw*.5;return out}ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta;ratioB=Math.sin(t*halfTheta)/sinHalfTheta;out[0]=ax*ratioA+bx*ratioB;out[1]=ay*ratioA+by*ratioB;out[2]=az*ratioA+bz*ratioB;out[3]=aw*ratioA+bw*ratioB;return 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/dot:0;out[0]=-a0*invDot;out[1]=-a1*invDot;out[2]=-a2*invDot;out[3]=a3*invDot;return out};quat.conjugate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=a[3];return out};quat.length=vec4.length;quat.len=quat.length;quat.squaredLength=vec4.squaredLength;quat.sqrLen=quat.squaredLength;quat.normalize=vec4.normalize;quat.fromMat3=function(){var s_iNext=[1,2,0];return function(out,m){var fTrace=m[0]+m[4]+m[8];var fRoot;if(fTrace>0){fRoot=Math.sqrt(fTrace+1);out[3]=.5*fRoot;fRoot=.5/fRoot;out[0]=(m[7]-m[5])*fRoot;out[1]=(m[2]-m[6])*fRoot;out[2]=(m[3]-m[1])*fRoot}else{var i=0;if(m[4]>m[0])i=1;if(m[8]>m[i*3+i])i=2;var j=s_iNext[i];var k=s_iNext[j];fRoot=Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k]+1);out[i]=.5*fRoot;fRoot=.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}}();quat.str=function(a){return"quat("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.quat=quat}})(shim.exports)})()},{}],18:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){if(elements){elements.bind()}else{gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null)}var nattribs=gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0;if(attributes){if(attributes.length>nattribs){throw new Error("gl-vao: Too many vertex attributes")}for(var i=0;i<attributes.length;++i){var attrib=attributes[i];if(attrib.buffer){var buffer=attrib.buffer;var size=attrib.size||4;var type=attrib.type||gl.FLOAT;var normalized=!!attrib.normalized;var stride=attrib.stride||0;var offset=attrib.offset||0;buffer.bind();gl.enableVertexAttribArray(i);gl.vertexAttribPointer(i,size,type,normalized,stride,offset)}else{if(typeof attrib==="number"){gl.vertexAttrib1f(i,attrib)}else if(attrib.length===1){gl.vertexAttrib1f(i,attrib[0])}else if(attrib.length===2){gl.vertexAttrib2f(i,attrib[0],attrib[1])}else if(attrib.length===3){gl.vertexAttrib3f(i,attrib[0],attrib[1],attrib[2])}else if(attrib.length===4){gl.vertexAttrib4f(i,attrib[0],attrib[1],attrib[2],attrib[3])}else{throw new Error("gl-vao: Invalid vertex attribute")}gl.disableVertexAttribArray(i)}}for(;i<nattribs;++i){gl.disableVertexAttribArray(i)}}else{gl.bindBuffer(gl.ARRAY_BUFFER,null);for(var i=0;i<nattribs;++i){gl.disableVertexAttribArray(i)}}}module.exports=doBind},{}],19:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VAOEmulated(gl){this.gl=gl;this._elements=null;this._attributes=null}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements){this._elements=elements;this._attributes=attributes};VAOEmulated.prototype.dispose=function(){};VAOEmulated.prototype.unbind=function(){};VAOEmulated.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._elements){gl.drawElements(mode,count,gl.UNSIGNED_SHORT,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAOEmulated(gl){return new VAOEmulated(gl)}module.exports=createVAOEmulated},{"./do-bind.js":18}],20:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VertexAttribute(location,dimension,a,b,c,d){this.location=location;this.dimension=dimension;this.a=a;this.b=b;this.c=c;this.d=d}VertexAttribute.prototype.bind=function(gl){switch(this.dimension){case 1:gl.vertexAttrib1f(this.location,this.a);break;case 2:gl.vertexAttrib2f(this.location,this.a,this.b);break;case 3:gl.vertexAttrib3f(this.location,this.a,this.b,this.c);break;case 4:gl.vertexAttrib4f(this.location,this.a,this.b,this.c,this.d);break}};function VAONative(gl,ext,handle){this.gl=gl;this._ext=ext;this.handle=handle;this._attribs=[];this._useElements=false}VAONative.prototype.bind=function(){this._ext.bindVertexArrayOES(this.handle);for(var i=0;i<this._attribs.length;++i){this._attribs[i].bind(this.gl)}};VAONative.prototype.unbind=function(){this._ext.bindVertexArrayOES(null)};VAONative.prototype.dispose=function(){this._ext.deleteVertexArrayOES(this.handle)};VAONative.prototype.update=function(attributes,elements){this.bind();bindAttribs(this.gl,elements,attributes);this.unbind();this._attribs.length=0;if(attributes)for(var i=0;i<attributes.length;++i){var a=attributes[i];if(typeof a==="number"){this._attribs.push(new VertexAttribute(i,1,a))}else if(Array.isArray(a)){this._attribs.push(new VertexAttribute(i,a.length,a[0],a[1],a[2],a[3]))}}this._useElements=!!elements};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,gl.UNSIGNED_SHORT,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAONative(gl,ext){return new VAONative(gl,ext,ext.createVertexArrayOES())}module.exports=createVAONative},{"./do-bind.js":18}],21:[function(require,module,exports){void function(global,undefined_,undefined){var getProps=Object.getOwnPropertyNames,defProp=Object.defineProperty,toSource=Function.prototype.toString,create=Object.create,hasOwn=Object.prototype.hasOwnProperty,funcName=/^\n?function\s?(\w*)?_?\(/;function define(object,key,value){if(typeof key==="function"){value=key;key=nameOf(value).replace(/_$/,"")}return defProp(object,key,{configurable:true,writable:true,value:value})}function nameOf(func){return typeof func!=="function"?"":"name"in func?func.name:toSource.call(func).match(funcName)[1]}var Data=function(){var dataDesc={value:{writable:true,value:undefined}},datalock="return function(k){if(k===s)return l}",uids=create(null),createUID=function(){var key=Math.random().toString(36).slice(2);return key in uids?createUID():uids[key]=key},globalID=createUID(),storage=function(obj){if(hasOwn.call(obj,globalID))return obj[globalID];if(!Object.isExtensible(obj))throw new TypeError("Object must be extensible");var store=create(null);defProp(obj,globalID,{value:store});return store};define(Object,function getOwnPropertyNames(obj){var props=getProps(obj);if(hasOwn.call(obj,globalID))props.splice(props.indexOf(globalID),1);return props});function Data(){var puid=createUID(),secret={};this.unlock=function(obj){var store=storage(obj);if(hasOwn.call(store,puid))return store[puid](secret);var data=create(null,dataDesc);defProp(store,puid,{value:new Function("s","l",datalock)(secret,data)});return data}}define(Data.prototype,function get(o){return this.unlock(o).value});define(Data.prototype,function set(o,v){this.unlock(o).value=v});return Data}();var WM=function(data){var validate=function(key){if(key==null||typeof key!=="object"&&typeof key!=="function")throw new TypeError("Invalid WeakMap key")};var wrap=function(collection,value){var store=data.unlock(collection);if(store.value)throw new TypeError("Object is already a WeakMap");store.value=value};var unwrap=function(collection){var storage=data.unlock(collection).value;if(!storage)throw new TypeError("WeakMap is not generic");return storage};var initialize=function(weakmap,iterable){if(iterable!==null&&typeof iterable==="object"&&typeof iterable.forEach==="function"){iterable.forEach(function(item,i){if(item instanceof Array&&item.length===2)set.call(weakmap,iterable[i][0],iterable[i][1])})}};function WeakMap(iterable){if(this===global||this==null||this===WeakMap.prototype)return new WeakMap(iterable);wrap(this,new Data);initialize(this,iterable)}function get(key){validate(key);var value=unwrap(this).get(key);return value===undefined_?undefined:value}function set(key,value){validate(key);unwrap(this).set(key,value===undefined?undefined_:value)}function has(key){validate(key);return unwrap(this).get(key)!==undefined}function delete_(key){validate(key);var data=unwrap(this),had=data.get(key)!==undefined;data.set(key,undefined);return had}function toString(){unwrap(this);return"[object WeakMap]"}try{var src=("return "+delete_).replace("e_","\\u0065"),del=new Function("unwrap","validate",src)(unwrap,validate)}catch(e){var del=delete_}var src=(""+Object).split("Object");var stringifier=function toString(){return src[0]+nameOf(this)+src[1]};define(stringifier,stringifier);var prep={__proto__:[]}instanceof Array?function(f){f.__proto__=stringifier}:function(f){define(f,stringifier)};prep(WeakMap);[toString,get,set,has,del].forEach(function(method){define(WeakMap.prototype,method);prep(method)});return WeakMap}(new Data);var defaultCreator=Object.create?function(){return Object.create(null)}:function(){return{}};function createStorage(creator){var weakmap=new WM;creator||(creator=defaultCreator);function storage(object,value){if(value||arguments.length===2){weakmap.set(object,value)}else{value=weakmap.get(object);if(value===undefined){value=creator(object);weakmap.set(object,value)}}return value}return storage}if(typeof module!=="undefined"){module.exports=WM}else if(typeof exports!=="undefined"){exports.WeakMap=WM}else if(!("WeakMap"in global)){global.WeakMap=WM}WM.createStorage=createStorage;if(global.WeakMap)global.WeakMap.createStorage=createStorage}((0,eval)("this"))},{}],22:[function(require,module,exports){"use strict";var weakMap=typeof WeakMap==="undefined"?require("weakmap"):WeakMap;var WebGLEWStruct=new weakMap;function baseName(ext_name){return ext_name.replace(/^[A-Z]+_/,"")}function initWebGLEW(gl){var struct=WebGLEWStruct.get(gl);if(struct){return struct}var extensions={};var supported=gl.getSupportedExtensions();for(var i=0;i<supported.length;++i){var extName=supported[i];var ext=gl.getExtension(supported[i]);if(!ext){continue}while(true){extensions[extName]=ext;var base=baseName(extName);if(base===extName){break}extName=base}}WebGLEWStruct.set(gl,extensions);return extensions}module.exports=initWebGLEW},{weakmap:21}],23:[function(require,module,exports){"use strict";var webglew=require("webglew");var createVAONative=require("./lib/vao-native.js");var createVAOEmulated=require("./lib/vao-emulated.js");function createVAO(gl,attributes,elements){var ext=webglew(gl).OES_vertex_array_object;var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":19,"./lib/vao-native.js":20,webglew:22}],24:[function(require,module,exports){module.exports=programify;var shader=require("gl-shader-core");function programify(vertex,fragment,uniforms,attributes){return function(gl){return shader(gl,vertex,fragment,uniforms,attributes)}}},{"gl-shader-core":30}],25:[function(require,module,exports){module.exports=noop;function noop(){throw new Error("You should bundle your code "+"using `glslify` as a transform.")}},{}],26:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;function ShaderAttribute(gl,program,location,dimension,name,constFunc,relink){this._gl=gl;this._program=program;this._location=location;this._dimension=dimension;this._name=name;this._constFunc=constFunc;this._relink=relink}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var gl=this._gl;gl.vertexAttribPointer(this._location,this._dimension,type||gl.FLOAT,normalized?gl.TRUE:gl.FALSE,stride||0,offset||0);this._gl.enableVertexAttribArray(this._location)};Object.defineProperty(proto,"location",{get:function(){return this._location},set:function(v){if(v!==this._location){this._location=v;this._gl.bindAttribLocation(this._program,v,this._name);this._gl.linkProgram(this._program);this._relink()}}});function addVectorAttribute(gl,program,location,dimension,obj,name,doLink){var constFuncArgs=["gl","v"];var varNames=[];for(var i=0;i<dimension;++i){constFuncArgs.push("x"+i);varNames.push("x"+i)}constFuncArgs.push(["if(x0.length===undefined){return gl.vertexAttrib",dimension,"f(v,",varNames.join(","),")}else{return gl.vertexAttrib",dimension,"fv(v,x0)}"].join(""));var constFunc=Function.apply(undefined,constFuncArgs);var attr=new ShaderAttribute(gl,program,location,dimension,name,constFunc,doLink);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(attr._location);constFunc(gl,attr._location,x);return x},get:function(){return attr},enumerable:true})}function createAttributeWrapper(gl,program,attributes,doLink){var obj={};for(var i=0,n=attributes.length;i<n;++i){var a=attributes[i];var name=a.name;var type=a.type;var location=gl.getAttribLocation(program,name);switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,program,location,1,obj,name,doLink);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,program,location,d,obj,name,doLink)}else{throw new Error("Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],27:[function(require,module,exports){"use strict";var dup=require("dup");var coallesceUniforms=require("./reflect.js");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function createUniformWrapper(gl,program,uniforms,locations){function makeGetter(index){var proc=new Function("gl","prog","locations","return function(){return gl.getUniform(prog,locations["+index+"])}");return proc(gl,program,locations)}function makePropSetter(path,index,type){switch(type){case"bool":case"int":case"sampler2D":case"samplerCube":return"gl.uniform1i(locations["+index+"],obj"+path+")";case"float":return"gl.uniform1f(locations["+index+"],obj"+path+")";default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid data type")}switch(type.charAt(0)){case"b":case"i":return"gl.uniform"+d+"iv(locations["+index+"],obj"+path+")";case"v":return"gl.uniform"+d+"fv(locations["+index+"],obj"+path+")";default:throw new Error("Unrecognized data type for vector "+name+": "+type)}}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("Unknown uniform data type for "+name+": "+type)}break}}function enumerateIndices(prefix,type){if(typeof type!=="object"){return[[prefix,type]]}var indices=[];for(var id in type){var prop=type[id];var tprefix=prefix;if(parseInt(id)+""===id){tprefix+="["+id+"]"}else{tprefix+="."+id}if(typeof prop==="object"){indices.push.apply(indices,enumerateIndices(tprefix,prop))}else{indices.push([tprefix,prop])}}return indices}function makeSetter(type){var code=["return function updateProperty(obj){"];var indices=enumerateIndices("",type);for(var i=0;i<indices.length;++i){var item=indices[i];var path=item[0];var idx=item[1];if(locations[idx]){code.push(makePropSetter(path,idx,uniforms[idx].type))}}code.push("return obj}");var proc=new Function("gl","prog","locations",code.join("\n"));return proc(gl,program,locations)}function defaultValue(type){switch(type){case"bool":return false;case"int":case"sampler2D":case"samplerCube":return 0;case"float":return 0;default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid data type")}if(type.charAt(0)==="b"){return dup(d,false)}return dup(d)}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid uniform dimension type for matrix "+name+": "+type)}return dup([d,d])}else{throw new Error("Unknown uniform data type for "+name+": "+type)}break}}function storeProperty(obj,prop,type){if(typeof type==="object"){var child=processObject(type);Object.defineProperty(obj,prop,{get:identity(child),set:makeSetter(type),enumerable:true,configurable:false})}else{if(locations[type]){Object.defineProperty(obj,prop,{get:makeGetter(type),set:makeSetter(type),enumerable:true,configurable:false})}else{obj[prop]=defaultValue(uniforms[type].type)}}}function processObject(obj){var result;if(Array.isArray(obj)){result=new Array(obj.length);for(var i=0;i<obj.length;++i){storeProperty(result,i,obj[i])}}else{result={};for(var id in obj){storeProperty(result,id,obj[id])}}return result}var coallesced=coallesceUniforms(uniforms,true);return{get:identity(processObject(coallesced)),set:makeSetter(coallesced),enumerable:true,configurable:true}}},{"./reflect.js":28,dup:29}],28:[function(require,module,exports){"use strict";module.exports=makeReflectTypes;function makeReflectTypes(uniforms,useIndex){var obj={};for(var i=0;i<uniforms.length;++i){var n=uniforms[i].name;var parts=n.split(".");var o=obj;for(var j=0;j<parts.length;++j){var x=parts[j].split("[");if(x.length>1){if(!(x[0]in o)){o[x[0]]=[]}o=o[x[0]];for(var k=1;k<x.length;++k){var y=parseInt(x[k]);if(k<x.length-1||j<parts.length-1){if(!(y in o)){if(k<x.length-1){o[y]=[]}else{o[y]={}}}o=o[y]}else{if(useIndex){o[y]=i}else{o[y]=uniforms[i].type}}}}else if(j<parts.length-1){if(!(x[0]in o)){o[x[0]]={}}o=o[x[0]]}else{if(useIndex){o[x[0]]=i}else{o[x[0]]=uniforms[i].type}}}}return obj}},{}],29:[function(require,module,exports){module.exports=require(15)},{}],30:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms.js");var createAttributeWrapper=require("./lib/create-attributes.js");var makeReflect=require("./lib/reflect.js");function Shader(gl,prog,vertShader,fragShader){this.gl=gl;this.handle=prog;this.attributes=null;this.uniforms=null;this.types=null;this.vertexShader=vertShader;this.fragmentShader=fragShader}Shader.prototype.bind=function(){this.gl.useProgram(this.handle)};Shader.prototype.dispose=function(){var gl=this.gl;gl.deleteShader(this.vertexShader);gl.deleteShader(this.fragmentShader);gl.deleteProgram(this.handle)};Shader.prototype.updateExports=function(uniforms,attributes){var locations=new Array(uniforms.length);var program=this.handle;var gl=this.gl;var doLink=relinkUniforms.bind(void 0,gl,program,locations,uniforms);doLink();this.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};this.attributes=createAttributeWrapper(gl,program,attributes,doLink);Object.defineProperty(this,"uniforms",createUniformWrapper(gl,program,uniforms,locations))};function relinkUniforms(gl,program,locations,uniforms){for(var i=0;i<uniforms.length;++i){locations[i]=gl.getUniformLocation(program,uniforms[i].name)}}function createShader(gl,vertSource,fragSource,uniforms,attributes){var vertShader=gl.createShader(gl.VERTEX_SHADER);gl.shaderSource(vertShader,vertSource);gl.compileShader(vertShader);if(!gl.getShaderParameter(vertShader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(vertShader);console.error("Error compling vertex shader:",errLog);throw new Error("Error compiling vertex shader:"+errLog)}var fragShader=gl.createShader(gl.FRAGMENT_SHADER);gl.shaderSource(fragShader,fragSource);gl.compileShader(fragShader);if(!gl.getShaderParameter(fragShader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(fragShader);console.error("Error compiling fragment shader:",errLog);throw new Error("Error compiling fragment shader:"+errLog)}var program=gl.createProgram();gl.attachShader(program,fragShader);gl.attachShader(program,vertShader);gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("Error linking shader program:",errLog);throw new Error("Error linking shader program:"+errLog)}var shader=new Shader(gl,program,vertShader,fragShader);shader.updateExports(uniforms,attributes);return shader}module.exports=createShader},{"./lib/create-attributes.js":26,"./lib/create-uniforms.js":27,"./lib/reflect.js":28}],31:[function(require,module,exports){var EPSILON=1e-6;exports.vertexNormals=function(faces,positions){var N=positions.length;var normals=new Array(N);for(var i=0;i<N;++i){normals[i]=[0,0,0]}for(var i=0;i<faces.length;++i){var f=faces[i];var p=0;var c=f[f.length-1];var n=f[0];for(var j=0;j<f.length;++j){p=c;c=n;n=f[(j+1)%f.length];var v0=positions[p];var v1=positions[c];var v2=positions[n];var d01=new Array(3);var m01=0;var d21=new Array(3);var m21=0;for(var k=0;k<3;++k){d01[k]=v0[k]-v1[k];m01+=d01[k]*d01[k];d21[k]=v2[k]-v1[k];m21+=d21[k]*d21[k]}if(m01*m21>EPSILON){var norm=normals[c];var w=1/Math.sqrt(m01*m21);for(var k=0;k<3;++k){var u=(k+1)%3;var v=(k+2)%3;norm[k]+=w*(d21[u]*d01[v]-d21[v]*d01[u])}}}}for(var i=0;i<N;++i){var norm=normals[i];var m=0;for(var k=0;k<3;++k){m+=norm[k]*norm[k]}if(m>EPSILON){var w=1/Math.sqrt(m);for(var k=0;k<3;++k){norm[k]*=w}}else{for(var k=0;k<3;++k){norm[k]=0}}}return normals};exports.faceNormals=function(faces,positions){var N=faces.length;var normals=new Array(N);for(var i=0;i<N;++i){var f=faces[i];var pos=new Array(3);for(var j=0;j<3;++j){pos[j]=positions[f[j]]}var d01=new Array(3);var d21=new Array(3);for(var j=0;j<3;++j){d01[j]=pos[1][j]-pos[0][j];d21[j]=pos[2][j]-pos[0][j]}var n=new Array(3);var l=0;for(var j=0;j<3;++j){var u=(j+1)%3;var v=(j+2)%3;n[j]=d01[u]*d21[v]-d01[v]*d21[u];l+=n[j]*n[j]}if(l>EPSILON){l=1/Math.sqrt(l)}else{l=0}for(var j=0;j<3;++j){n[j]*=l}normals[i]=n}return normals}},{}]},{},[]);require=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);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.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}({fEHCxG:[function(require,module,exports){exports.surfaceNets=require("./lib/surfacenets.js").surfaceNets;exports.marchingCubes=require("./lib/marchingcubes.js").marchingCubes;exports.marchingTetrahedra=require("./lib/marchingtetrahedra.js").marchingTetrahedra},{"./lib/marchingcubes.js":3,"./lib/marchingtetrahedra.js":4,"./lib/surfacenets.js":5}],isosurface:[function(require,module,exports){module.exports=require("fEHCxG")},{}],3:[function(require,module,exports){var edgeTable=new Uint32Array([0,265,515,778,1030,1295,1541,1804,2060,2309,2575,2822,3082,3331,3593,3840,400,153,915,666,1430,1183,1941,1692,2460,2197,2975,2710,3482,3219,3993,3728,560,825,51,314,1590,1855,1077,1340,2620,2869,2111,2358,3642,3891,3129,3376,928,681,419,170,1958,1711,1445,1196,2988,2725,2479,2214,4010,3747,3497,3232,1120,1385,1635,1898,102,367,613,876,3180,3429,3695,3942,2154,2403,2665,2912,1520,1273,2035,1786,502,255,1013,764,3580,3317,4095,3830,2554,2291,3065,2800,1616,1881,1107,1370,598,863,85,348,3676,3925,3167,3414,2650,2899,2137,2384,1984,1737,1475,1226,966,719,453,204,4044,3781,3535,3270,3018,2755,2505,2240,2240,2505,2755,3018,3270,3535,3781,4044,204,453,719,966,1226,1475,1737,1984,2384,2137,2899,2650,3414,3167,3925,3676,348,85,863,598,1370,1107,1881,1616,2800,3065,2291,2554,3830,4095,3317,3580,764,1013,255,502,1786,2035,1273,1520,2912,2665,2403,2154,3942,3695,3429,3180,876,613,367,102,1898,1635,1385,1120,3232,3497,3747,4010,2214,2479,2725,2988,1196,1445,1711,1958,170,419,681,928,3376,3129,3891,3642,2358,2111,2869,2620,1340,1077,1855,1590,314,51,825,560,3728,3993,3219,3482,2710,2975,2197,2460,1692,1941,1183,1430,666,915,153,400,3840,3593,3331,3082,2822,2575,2309,2060,1804,1541,1295,1030,778,515,265,0]),triTable=[[],[0,8,3],[0,1,9],[1,8,3,9,8,1],[1,2,10],[0,8,3,1,2,10],[9,2,10,0,2,9],[2,8,3,2,10,8,10,9,8],[3,11,2],[0,11,2,8,11,0],[1,9,0,2,3,11],[1,11,2,1,9,11,9,8,11],[3,10,1,11,10,3],[0,10,1,0,8,10,8,11,10],[3,9,0,3,11,9,11,10,9],[9,8,10,10,8,11],[4,7,8],[4,3,0,7,3,4],[0,1,9,8,4,7],[4,1,9,4,7,1,7,3,1],[1,2,10,8,4,7],[3,4,7,3,0,4,1,2,10],[9,2,10,9,0,2,8,4,7],[2,10,9,2,9,7,2,7,3,7,9,4],[8,4,7,3,11,2],[11,4,7,11,2,4,2,0,4],[9,0,1,8,4,7,2,3,11],[4,7,11,9,4,11,9,11,2,9,2,1],[3,10,1,3,11,10,7,8,4],[1,11,10,1,4,11,1,0,4,7,11,4],[4,7,8,9,0,11,9,11,10,11,0,3],[4,7,11,4,11,9,9,11,10],[9,5,4],[9,5,4,0,8,3],[0,5,4,1,5,0],[8,5,4,8,3,5,3,1,5],[1,2,10,9,5,4],[3,0,8,1,2,10,4,9,5],[5,2,10,5,4,2,4,0,2],[2,10,5,3,2,5,3,5,4,3,4,8],[9,5,4,2,3,11],[0,11,2,0,8,11,4,9,5],[0,5,4,0,1,5,2,3,11],[2,1,5,2,5,8,2,8,11,4,8,5],[10,3,11,10,1,3,9,5,4],[4,9,5,0,8,1,8,10,1,8,11,10],[5,4,0,5,0,11,5,11,10,11,0,3],[5,4,8,5,8,10,10,8,11],[9,7,8,5,7,9],[9,3,0,9,5,3,5,7,3],[0,7,8,0,1,7,1,5,7],[1,5,3,3,5,7],[9,7,8,9,5,7,10,1,2],[10,1,2,9,5,0,5,3,0,5,7,3],[8,0,2,8,2,5,8,5,7,10,5,2],[2,10,5,2,5,3,3,5,7],[7,9,5,7,8,9,3,11,2],[9,5,7,9,7,2,9,2,0,2,7,11],[2,3,11,0,1,8,1,7,8,1,5,7],[11,2,1,11,1,7,7,1,5],[9,5,8,8,5,7,10,1,3,10,3,11],[5,7,0,5,0,9,7,11,0,1,0,10,11,10,0],[11,10,0,11,0,3,10,5,0,8,0,7,5,7,0],[11,10,5,7,11,5],[10,6,5],[0,8,3,5,10,6],[9,0,1,5,10,6],[1,8,3,1,9,8,5,10,6],[1,6,5,2,6,1],[1,6,5,1,2,6,3,0,8],[9,6,5,9,0,6,0,2,6],[5,9,8,5,8,2,5,2,6,3,2,8],[2,3,11,10,6,5],[11,0,8,11,2,0,10,6,5],[0,1,9,2,3,11,5,10,6],[5,10,6,1,9,2,9,11,2,9,8,11],[6,3,11,6,5,3,5,1,3],[0,8,11,0,11,5,0,5,1,5,11,6],[3,11,6,0,3,6,0,6,5,0,5,9],[6,5,9,6,9,11,11,9,8],[5,10,6,4,7,8],[4,3,0,4,7,3,6,5,10],[1,9,0,5,10,6,8,4,7],[10,6,5,1,9,7,1,7,3,7,9,4],[6,1,2,6,5,1,4,7,8],[1,2,5,5,2,6,3,0,4,3,4,7],[8,4,7,9,0,5,0,6,5,0,2,6],[7,3,9,7,9,4,3,2,9,5,9,6,2,6,9],[3,11,2,7,8,4,10,6,5],[5,10,6,4,7,2,4,2,0,2,7,11],[0,1,9,4,7,8,2,3,11,5,10,6],[9,2,1,9,11,2,9,4,11,7,11,4,5,10,6],[8,4,7,3,11,5,3,5,1,5,11,6],[5,1,11,5,11,6,1,0,11,7,11,4,0,4,11],[0,5,9,0,6,5,0,3,6,11,6,3,8,4,7],[6,5,9,6,9,11,4,7,9,7,11,9],[10,4,9,6,4,10],[4,10,6,4,9,10,0,8,3],[10,0,1,10,6,0,6,4,0],[8,3,1,8,1,6,8,6,4,6,1,10],[1,4,9,1,2,4,2,6,4],[3,0,8,1,2,9,2,4,9,2,6,4],[0,2,4,4,2,6],[8,3,2,8,2,4,4,2,6],[10,4,9,10,6,4,11,2,3],[0,8,2,2,8,11,4,9,10,4,10,6],[3,11,2,0,1,6,0,6,4,6,1,10],[6,4,1,6,1,10,4,8,1,2,1,11,8,11,1],[9,6,4,9,3,6,9,1,3,11,6,3],[8,11,1,8,1,0,11,6,1,9,1,4,6,4,1],[3,11,6,3,6,0,0,6,4],[6,4,8,11,6,8],[7,10,6,7,8,10,8,9,10],[0,7,3,0,10,7,0,9,10,6,7,10],[10,6,7,1,10,7,1,7,8,1,8,0],[10,6,7,10,7,1,1,7,3],[1,2,6,1,6,8,1,8,9,8,6,7],[2,6,9,2,9,1,6,7,9,0,9,3,7,3,9],[7,8,0,7,0,6,6,0,2],[7,3,2,6,7,2],[2,3,11,10,6,8,10,8,9,8,6,7],[2,0,7,2,7,11,0,9,7,6,7,10,9,10,7],[1,8,0,1,7,8,1,10,7,6,7,10,2,3,11],[11,2,1,11,1,7,10,6,1,6,7,1],[8,9,6,8,6,7,9,1,6,11,6,3,1,3,6],[0,9,1,11,6,7],[7,8,0,7,0,6,3,11,0,11,6,0],[7,11,6],[7,6,11],[3,0,8,11,7,6],[0,1,9,11,7,6],[8,1,9,8,3,1,11,7,6],[10,1,2,6,11,7],[1,2,10,3,0,8,6,11,7],[2,9,0,2,10,9,6,11,7],[6,11,7,2,10,3,10,8,3,10,9,8],[7,2,3,6,2,7],[7,0,8,7,6,0,6,2,0],[2,7,6,2,3,7,0,1,9],[1,6,2,1,8,6,1,9,8,8,7,6],[10,7,6,10,1,7,1,3,7],[10,7,6,1,7,10,1,8,7,1,0,8],[0,3,7,0,7,10,0,10,9,6,10,7],[7,6,10,7,10,8,8,10,9],[6,8,4,11,8,6],[3,6,11,3,0,6,0,4,6],[8,6,11,8,4,6,9,0,1],[9,4,6,9,6,3,9,3,1,11,3,6],[6,8,4,6,11,8,2,10,1],[1,2,10,3,0,11,0,6,11,0,4,6],[4,11,8,4,6,11,0,2,9,2,10,9],[10,9,3,10,3,2,9,4,3,11,3,6,4,6,3],[8,2,3,8,4,2,4,6,2],[0,4,2,4,6,2],[1,9,0,2,3,4,2,4,6,4,3,8],[1,9,4,1,4,2,2,4,6],[8,1,3,8,6,1,8,4,6,6,10,1],[10,1,0,10,0,6,6,0,4],[4,6,3,4,3,8,6,10,3,0,3,9,10,9,3],[10,9,4,6,10,4],[4,9,5,7,6,11],[0,8,3,4,9,5,11,7,6],[5,0,1,5,4,0,7,6,11],[11,7,6,8,3,4,3,5,4,3,1,5],[9,5,4,10,1,2,7,6,11],[6,11,7,1,2,10,0,8,3,4,9,5],[7,6,11,5,4,10,4,2,10,4,0,2],[3,4,8,3,5,4,3,2,5,10,5,2,11,7,6],[7,2,3,7,6,2,5,4,9],[9,5,4,0,8,6,0,6,2,6,8,7],[3,6,2,3,7,6,1,5,0,5,4,0],[6,2,8,6,8,7,2,1,8,4,8,5,1,5,8],[9,5,4,10,1,6,1,7,6,1,3,7],[1,6,10,1,7,6,1,0,7,8,7,0,9,5,4],[4,0,10,4,10,5,0,3,10,6,10,7,3,7,10],[7,6,10,7,10,8,5,4,10,4,8,10],[6,9,5,6,11,9,11,8,9],[3,6,11,0,6,3,0,5,6,0,9,5],[0,11,8,0,5,11,0,1,5,5,6,11],[6,11,3,6,3,5,5,3,1],[1,2,10,9,5,11,9,11,8,11,5,6],[0,11,3,0,6,11,0,9,6,5,6,9,1,2,10],[11,8,5,11,5,6,8,0,5,10,5,2,0,2,5],[6,11,3,6,3,5,2,10,3,10,5,3],[5,8,9,5,2,8,5,6,2,3,8,2],[9,5,6,9,6,0,0,6,2],[1,5,8,1,8,0,5,6,8,3,8,2,6,2,8],[1,5,6,2,1,6],[1,3,6,1,6,10,3,8,6,5,6,9,8,9,6],[10,1,0,10,0,6,9,5,0,5,6,0],[0,3,8,5,6,10],[10,5,6],[11,5,10,7,5,11],[11,5,10,11,7,5,8,3,0],[5,11,7,5,10,11,1,9,0],[10,7,5,10,11,7,9,8,1,8,3,1],[11,1,2,11,7,1,7,5,1],[0,8,3,1,2,7,1,7,5,7,2,11],[9,7,5,9,2,7,9,0,2,2,11,7],[7,5,2,7,2,11,5,9,2,3,2,8,9,8,2],[2,5,10,2,3,5,3,7,5],[8,2,0,8,5,2,8,7,5,10,2,5],[9,0,1,5,10,3,5,3,7,3,10,2],[9,8,2,9,2,1,8,7,2,10,2,5,7,5,2],[1,3,5,3,7,5],[0,8,7,0,7,1,1,7,5],[9,0,3,9,3,5,5,3,7],[9,8,7,5,9,7],[5,8,4,5,10,8,10,11,8],[5,0,4,5,11,0,5,10,11,11,3,0],[0,1,9,8,4,10,8,10,11,10,4,5],[10,11,4,10,4,5,11,3,4,9,4,1,3,1,4],[2,5,1,2,8,5,2,11,8,4,5,8],[0,4,11,0,11,3,4,5,11,2,11,1,5,1,11],[0,2,5,0,5,9,2,11,5,4,5,8,11,8,5],[9,4,5,2,11,3],[2,5,10,3,5,2,3,4,5,3,8,4],[5,10,2,5,2,4,4,2,0],[3,10,2,3,5,10,3,8,5,4,5,8,0,1,9],[5,10,2,5,2,4,1,9,2,9,4,2],[8,4,5,8,5,3,3,5,1],[0,4,5,1,0,5],[8,4,5,8,5,3,9,0,5,0,3,5],[9,4,5],[4,11,7,4,9,11,9,10,11],[0,8,3,4,9,7,9,11,7,9,10,11],[1,10,11,1,11,4,1,4,0,7,4,11],[3,1,4,3,4,8,1,10,4,7,4,11,10,11,4],[4,11,7,9,11,4,9,2,11,9,1,2],[9,7,4,9,11,7,9,1,11,2,11,1,0,8,3],[11,7,4,11,4,2,2,4,0],[11,7,4,11,4,2,8,3,4,3,2,4],[2,9,10,2,7,9,2,3,7,7,4,9],[9,10,7,9,7,4,10,2,7,8,7,0,2,0,7],[3,7,10,3,10,2,7,4,10,1,10,0,4,0,10],[1,10,2,8,7,4],[4,9,1,4,1,7,7,1,3],[4,9,1,4,1,7,0,8,1,8,7,1],[4,0,3,7,4,3],[4,8,7],[9,10,8,10,11,8],[3,0,9,3,9,11,11,9,10],[0,1,10,0,10,8,8,10,11],[3,1,10,11,3,10],[1,2,11,1,11,9,9,11,8],[3,0,9,3,9,11,1,2,9,2,11,9],[0,2,11,8,0,11],[3,2,11],[2,3,8,2,8,10,10,8,9],[9,10,2,0,9,2],[2,3,8,2,8,10,0,1,8,1,10,8],[1,10,2],[1,3,8,9,1,8],[0,9,1],[0,3,8],[]],cubeVerts=[[0,0,0],[1,0,0],[1,1,0],[0,1,0],[0,0,1],[1,0,1],[1,1,1],[0,1,1]],edgeIndex=[[0,1],[1,2],[2,3],[3,0],[4,5],[5,6],[6,7],[7,4],[0,4],[1,5],[2,6],[3,7]];
exports.marchingCubes=function(dims,potential,bounds){if(!bounds){bounds=[[0,0,0],dims]}var scale=[0,0,0];var shift=[0,0,0];for(var i=0;i<3;++i){scale[i]=(bounds[1][i]-bounds[0][i])/dims[i];shift[i]=bounds[0][i]}var vertices=[],faces=[],n=0,grid=new Array(8),edges=new Array(12),x=[0,0,0];for(x[2]=0;x[2]<dims[2]-1;++x[2],n+=dims[0])for(x[1]=0;x[1]<dims[1]-1;++x[1],++n)for(x[0]=0;x[0]<dims[0]-1;++x[0],++n){var cube_index=0;for(var i=0;i<8;++i){var v=cubeVerts[i],s=potential(scale[0]*(x[0]+v[0])+shift[0],scale[1]*(x[1]+v[1])+shift[1],scale[2]*(x[2]+v[2])+shift[2]);grid[i]=s;cube_index|=s>0?1<<i:0}var edge_mask=edgeTable[cube_index];if(edge_mask===0){continue}for(var i=0;i<12;++i){if((edge_mask&1<<i)===0){continue}edges[i]=vertices.length;var nv=[0,0,0],e=edgeIndex[i],p0=cubeVerts[e[0]],p1=cubeVerts[e[1]],a=grid[e[0]],b=grid[e[1]],d=a-b,t=0;if(Math.abs(d)>1e-6){t=a/d}for(var j=0;j<3;++j){nv[j]=scale[j]*(x[j]+p0[j]+t*(p1[j]-p0[j]))+shift[j]}vertices.push(nv)}var f=triTable[cube_index];for(var i=0;i<f.length;i+=3){faces.push([edges[f[i]],edges[f[i+1]],edges[f[i+2]]])}}return{positions:vertices,cells:faces}}},{}],4:[function(require,module,exports){var cube_vertices=[[0,0,0],[1,0,0],[1,1,0],[0,1,0],[0,0,1],[1,0,1],[1,1,1],[0,1,1]],tetra_list=[[0,2,3,7],[0,6,2,7],[0,4,6,7],[0,6,1,2],[0,1,6,4],[5,6,1,4]];exports.marchingTetrahedra=function(dims,potential,bounds){if(!bounds){bounds=[[0,0,0],dims]}var scale=[0,0,0];var shift=[0,0,0];for(var i=0;i<3;++i){scale[i]=(bounds[1][i]-bounds[0][i])/dims[i];shift[i]=bounds[0][i]}var vertices=[],faces=[],n=0,grid=new Float32Array(8),edges=new Int32Array(12),x=[0,0,0];function interp(i0,i1){var g0=grid[i0],g1=grid[i1],p0=cube_vertices[i0],p1=cube_vertices[i1],v=[x[0],x[1],x[2]],t=g0-g1;if(Math.abs(t)>1e-6){t=g0/t}for(var i=0;i<3;++i){v[i]=scale[i]*(v[i]+p0[i]+t*(p1[i]-p0[i]))+shift[i]}vertices.push(v);return vertices.length-1}for(x[2]=0;x[2]<dims[2]-1;++x[2],n+=dims[0])for(x[1]=0;x[1]<dims[1]-1;++x[1],++n)for(x[0]=0;x[0]<dims[0]-1;++x[0],++n){for(var i=0;i<8;++i){var cube_vert=cube_vertices[i];grid[i]=potential(scale[0]*(x[0]+cube_vert[0])+shift[0],scale[1]*(x[1]+cube_vert[1])+shift[1],scale[2]*(x[2]+cube_vert[2])+shift[2])}for(var i=0;i<tetra_list.length;++i){var T=tetra_list[i],triindex=0;if(grid[T[0]]<0)triindex|=1;if(grid[T[1]]<0)triindex|=2;if(grid[T[2]]<0)triindex|=4;if(grid[T[3]]<0)triindex|=8;switch(triindex){case 0:case 15:break;case 14:faces.push([interp(T[0],T[1]),interp(T[0],T[3]),interp(T[0],T[2])]);break;case 1:faces.push([interp(T[0],T[1]),interp(T[0],T[2]),interp(T[0],T[3])]);break;case 13:faces.push([interp(T[1],T[0]),interp(T[1],T[2]),interp(T[1],T[3])]);break;case 2:faces.push([interp(T[1],T[0]),interp(T[1],T[3]),interp(T[1],T[2])]);break;case 12:faces.push([interp(T[1],T[2]),interp(T[1],T[3]),interp(T[0],T[3]),interp(T[0],T[2])]);break;case 3:faces.push([interp(T[1],T[2]),interp(T[0],T[2]),interp(T[0],T[3]),interp(T[1],T[3])]);break;case 4:faces.push([interp(T[2],T[0]),interp(T[2],T[1]),interp(T[2],T[3])]);break;case 11:faces.push([interp(T[2],T[0]),interp(T[2],T[3]),interp(T[2],T[1])]);break;case 5:faces.push([interp(T[0],T[1]),interp(T[1],T[2]),interp(T[2],T[3]),interp(T[0],T[3])]);break;case 10:faces.push([interp(T[0],T[1]),interp(T[0],T[3]),interp(T[2],T[3]),interp(T[1],T[2])]);break;case 6:faces.push([interp(T[2],T[3]),interp(T[0],T[2]),interp(T[0],T[1]),interp(T[1],T[3])]);break;case 9:faces.push([interp(T[2],T[3]),interp(T[1],T[3]),interp(T[0],T[1]),interp(T[0],T[2])]);break;case 7:faces.push([interp(T[3],T[0]),interp(T[3],T[1]),interp(T[3],T[2])]);break;case 8:faces.push([interp(T[3],T[0]),interp(T[3],T[2]),interp(T[3],T[1])]);break}}}return{positions:vertices,cells:faces}}},{}],5:[function(require,module,exports){"use strict";var cube_edges=new Int32Array(24),edge_table=new Int32Array(256);(function(){var k=0;for(var i=0;i<8;++i){for(var j=1;j<=4;j<<=1){var p=i^j;if(i<=p){cube_edges[k++]=i;cube_edges[k++]=p}}}for(var i=0;i<256;++i){var em=0;for(var j=0;j<24;j+=2){var a=!!(i&1<<cube_edges[j]),b=!!(i&1<<cube_edges[j+1]);em|=a!==b?1<<(j>>1):0}edge_table[i]=em}})();var buffer=new Array(4096);(function(){for(var i=0;i<buffer.length;++i){buffer[i]=0}})();exports.surfaceNets=function(dims,potential,bounds){if(!bounds){bounds=[[0,0,0],dims]}var scale=[0,0,0];var shift=[0,0,0];for(var i=0;i<3;++i){scale[i]=(bounds[1][i]-bounds[0][i])/dims[i];shift[i]=bounds[0][i]}var vertices=[],faces=[],n=0,x=[0,0,0],R=[1,dims[0]+1,(dims[0]+1)*(dims[1]+1)],grid=[0,0,0,0,0,0,0,0],buf_no=1;if(R[2]*2>buffer.length){var ol=buffer.length;buffer.length=R[2]*2;while(ol<buffer.length){buffer[ol++]=0}}for(x[2]=0;x[2]<dims[2]-1;++x[2],n+=dims[0],buf_no^=1,R[2]=-R[2]){var m=1+(dims[0]+1)*(1+buf_no*(dims[1]+1));for(x[1]=0;x[1]<dims[1]-1;++x[1],++n,m+=2)for(x[0]=0;x[0]<dims[0]-1;++x[0],++n,++m){var mask=0,g=0;for(var k=0;k<2;++k)for(var j=0;j<2;++j)for(var i=0;i<2;++i,++g){var p=potential(scale[0]*(x[0]+i)+shift[0],scale[1]*(x[1]+j)+shift[1],scale[2]*(x[2]+k)+shift[2]);grid[g]=p;mask|=p<0?1<<g:0}if(mask===0||mask===255){continue}var edge_mask=edge_table[mask],v=[0,0,0],e_count=0;for(var i=0;i<12;++i){if(!(edge_mask&1<<i)){continue}++e_count;var e0=cube_edges[i<<1],e1=cube_edges[(i<<1)+1],g0=grid[e0],g1=grid[e1],t=g0-g1;if(Math.abs(t)>1e-6){t=g0/t}else{continue}for(var j=0,k=1;j<3;++j,k<<=1){var a=e0&k,b=e1&k;if(a!==b){v[j]+=a?1-t:t}else{v[j]+=a?1:0}}}var s=1/e_count;for(var i=0;i<3;++i){v[i]=scale[i]*(x[i]+s*v[i])+shift[i]}buffer[m]=vertices.length;vertices.push(v);for(var i=0;i<3;++i){if(!(edge_mask&1<<i)){continue}var iu=(i+1)%3,iv=(i+2)%3;if(x[iu]===0||x[iv]===0){continue}var du=R[iu],dv=R[iv];if(mask&1){faces.push([buffer[m],buffer[m-du],buffer[m-dv]]);faces.push([buffer[m-dv],buffer[m-du],buffer[m-du-dv]])}else{faces.push([buffer[m],buffer[m-dv],buffer[m-du]]);faces.push([buffer[m-du],buffer[m-dv],buffer[m-du-dv]])}}}}return{positions:vertices,cells:faces}}},{}]},{},[]);require=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);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.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(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");exports.Buffer=Buffer;exports.SlowBuffer=Buffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;Buffer._useTypedArrays=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;if(encoding==="base64"&&type==="string"){subject=stringtrim(subject);while(subject.length%4!==0){subject=subject+"="}}var length;if(type==="number")length=coerce(subject);else if(type==="string")length=Buffer.byteLength(subject,encoding);else if(type==="object")length=coerce(subject.length);else throw new Error("First argument needs to be a number, array or string.");var buf;if(Buffer._useTypedArrays){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer._useTypedArrays&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){for(i=0;i<length;i++){if(Buffer.isBuffer(subject))buf[i]=subject.readUInt8(i);else buf[i]=subject[i]}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer._useTypedArrays&&!noZero){for(i=0;i<length;i++){buf[i]=0}}return buf}Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.isBuffer=function(b){return!!(b!==null&&b!==undefined&&b._isBuffer)};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"hex":ret=str.length/2;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"ascii":case"binary":case"raw":ret=str.length;break;case"base64":ret=base64ToBytes(str).length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;default:throw new Error("Unknown encoding")}return ret};Buffer.concat=function(list,totalLength){assert(isArray(list),"Usage: Buffer.concat(list, [totalLength])\n"+"list should be an Array.");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(typeof totalLength!=="number"){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};function _hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;assert(strLen%2===0,"Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);assert(!isNaN(byte),"Invalid hex string");buf[offset+i]=byte}Buffer._charsWritten=i*2;return i}function _utf8Write(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(utf8ToBytes(string),buf,offset,length);return charsWritten}function _asciiWrite(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function _binaryWrite(buf,string,offset,length){return _asciiWrite(buf,string,offset,length)}function _base64Write(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function _utf16leWrite(buf,string,offset,length){var charsWritten=Buffer._charsWritten=blitBuffer(utf16leToBytes(string),buf,offset,length);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=_hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=_utf8Write(this,string,offset,length);break;case"ascii":ret=_asciiWrite(this,string,offset,length);break;case"binary":ret=_binaryWrite(this,string,offset,length);break;case"base64":ret=_base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=_utf16leWrite(this,string,offset,length);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toString=function(encoding,start,end){var self=this;encoding=String(encoding||"utf8").toLowerCase();start=Number(start)||0;end=end!==undefined?Number(end):end=self.length;if(end===start)return"";var ret;switch(encoding){case"hex":ret=_hexSlice(self,start,end);break;case"utf8":case"utf-8":ret=_utf8Slice(self,start,end);break;case"ascii":ret=_asciiSlice(self,start,end);break;case"binary":ret=_binarySlice(self,start,end);break;case"base64":ret=_base64Slice(self,start,end);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=_utf16leSlice(self,start,end);break;default:throw new Error("Unknown encoding")}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(!target_start)target_start=0;if(end===start)return;if(target.length===0||source.length===0)return;assert(end>=start,"sourceEnd < sourceStart");assert(target_start>=0&&target_start<target.length,"targetStart out of bounds");assert(start>=0&&start<source.length,"sourceStart out of bounds");assert(end>=0&&end<=source.length,"sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<100||!Buffer._useTypedArrays){for(var i=0;i<len;i++)target[i+target_start]=this[i+start]}else{target._set(this.subarray(start,start+len),target_start)}};function _base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function _utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function _asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++)ret+=String.fromCharCode(buf[i]);return ret}function _binarySlice(buf,start,end){return _asciiSlice(buf,start,end)}function _hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function _utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=clamp(start,len,0);end=clamp(end,len,len);if(Buffer._useTypedArrays){return Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;var newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}return newBuf}};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;return this[offset]};function _readUInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){val=buf[offset];if(offset+1<len)val|=buf[offset+1]<<8}else{val=buf[offset]<<8;if(offset+1<len)val|=buf[offset+1]}return val}Buffer.prototype.readUInt16LE=function(offset,noAssert){return _readUInt16(this,offset,true,noAssert)};Buffer.prototype.readUInt16BE=function(offset,noAssert){return _readUInt16(this,offset,false,noAssert)};function _readUInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val;if(littleEndian){if(offset+2<len)val=buf[offset+2]<<16;if(offset+1<len)val|=buf[offset+1]<<8;val|=buf[offset];if(offset+3<len)val=val+(buf[offset+3]<<24>>>0)}else{if(offset+1<len)val=buf[offset+1]<<16;if(offset+2<len)val|=buf[offset+2]<<8;if(offset+3<len)val|=buf[offset+3];val=val+(buf[offset]<<24>>>0)}return val}Buffer.prototype.readUInt32LE=function(offset,noAssert){return _readUInt32(this,offset,true,noAssert)};Buffer.prototype.readUInt32BE=function(offset,noAssert){return _readUInt32(this,offset,false,noAssert)};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert){assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to read beyond buffer length")}if(offset>=this.length)return;var neg=this[offset]&128;if(neg)return(255-this[offset]+1)*-1;else return this[offset]};function _readInt16(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=_readUInt16(buf,offset,littleEndian,true);var neg=val&32768;if(neg)return(65535-val+1)*-1;else return val}Buffer.prototype.readInt16LE=function(offset,noAssert){return _readInt16(this,offset,true,noAssert)};Buffer.prototype.readInt16BE=function(offset,noAssert){return _readInt16(this,offset,false,noAssert)};function _readInt32(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to read beyond buffer length")}var len=buf.length;if(offset>=len)return;var val=_readUInt32(buf,offset,littleEndian,true);var neg=val&2147483648;if(neg)return(4294967295-val+1)*-1;else return val}Buffer.prototype.readInt32LE=function(offset,noAssert){return _readInt32(this,offset,true,noAssert)};Buffer.prototype.readInt32BE=function(offset,noAssert){return _readInt32(this,offset,false,noAssert)};function _readFloat(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+3<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,23,4)}Buffer.prototype.readFloatLE=function(offset,noAssert){return _readFloat(this,offset,true,noAssert)};Buffer.prototype.readFloatBE=function(offset,noAssert){return _readFloat(this,offset,false,noAssert)};function _readDouble(buf,offset,littleEndian,noAssert){if(!noAssert){assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset+7<buf.length,"Trying to read beyond buffer length")}return ieee754.read(buf,offset,littleEndian,52,8)}Buffer.prototype.readDoubleLE=function(offset,noAssert){return _readDouble(this,offset,true,noAssert)};Buffer.prototype.readDoubleBE=function(offset,noAssert){return _readDouble(this,offset,false,noAssert)};Buffer.prototype.writeUInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"trying to write beyond buffer length");verifuint(value,255)}if(offset>=this.length)return;this[offset]=value};function _writeUInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"trying to write beyond buffer length");verifuint(value,65535)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){_writeUInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){_writeUInt16(this,value,offset,false,noAssert)};function _writeUInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"trying to write beyond buffer length");verifuint(value,4294967295)}var len=buf.length;if(offset>=len)return;for(var i=0,j=Math.min(len-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){_writeUInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){_writeUInt32(this,value,offset,false,noAssert)};Buffer.prototype.writeInt8=function(value,offset,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset<this.length,"Trying to write beyond buffer length");verifsint(value,127,-128)}if(offset>=this.length)return;if(value>=0)this.writeUInt8(value,offset,noAssert);else this.writeUInt8(255+value+1,offset,noAssert)};function _writeInt16(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+1<buf.length,"Trying to write beyond buffer length");verifsint(value,32767,-32768)}var len=buf.length;if(offset>=len)return;if(value>=0)_writeUInt16(buf,value,offset,littleEndian,noAssert);else _writeUInt16(buf,65535+value+1,offset,littleEndian,noAssert)}Buffer.prototype.writeInt16LE=function(value,offset,noAssert){_writeInt16(this,value,offset,true,noAssert)};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){_writeInt16(this,value,offset,false,noAssert)};function _writeInt32(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifsint(value,2147483647,-2147483648)}var len=buf.length;if(offset>=len)return;if(value>=0)_writeUInt32(buf,value,offset,littleEndian,noAssert);else _writeUInt32(buf,4294967295+value+1,offset,littleEndian,noAssert)}Buffer.prototype.writeInt32LE=function(value,offset,noAssert){_writeInt32(this,value,offset,true,noAssert)};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){_writeInt32(this,value,offset,false,noAssert)};function _writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+3<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,3.4028234663852886e38,-3.4028234663852886e38)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,23,4)}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){_writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){_writeFloat(this,value,offset,false,noAssert)};function _writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){assert(value!==undefined&&value!==null,"missing value");assert(typeof littleEndian==="boolean","missing or invalid endian");assert(offset!==undefined&&offset!==null,"missing offset");assert(offset+7<buf.length,"Trying to write beyond buffer length");verifIEEE754(value,1.7976931348623157e308,-1.7976931348623157e308)}var len=buf.length;if(offset>=len)return;ieee754.write(buf,value,offset,littleEndian,52,8)}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){_writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){_writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(typeof value==="string"){value=value.charCodeAt(0)}assert(typeof value==="number"&&!isNaN(value),"value is not a number");assert(end>=start,"end < start");if(end===start)return;if(this.length===0)return;assert(start>=0&&start<this.length,"start out of bounds");assert(end>=0&&end<=this.length,"end out of bounds");for(var i=start;i<end;i++){this[i]=value}};Buffer.prototype.inspect=function(){var out=[];var len=this.length;for(var i=0;i<len;i++){out[i]=toHex(this[i]);if(i===exports.INSPECT_MAX_BYTES){out[i+1]="...";break}}return"<Buffer "+out.join(" ")+">"};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer._useTypedArrays){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1)buf[i]=this[i];return buf.buffer}}else{throw new Error("Buffer.toArrayBuffer not supported in this browser")}};function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}var BP=Buffer.prototype;Buffer._augment=function(arr){arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};function clamp(index,len,defaultValue){if(typeof index!=="number")return defaultValue;index=~~index;if(index>=len)return len;if(index>=0)return index;index+=len;if(index>=0)return index;return 0}function coerce(length){length=~~Math.ceil(+length);return length<0?0:length}function isArray(subject){return(Array.isArray||function(subject){return Object.prototype.toString.call(subject)==="[object Array]"})(subject)}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){var b=str.charCodeAt(i);if(b<=127)byteArray.push(str.charCodeAt(i));else{var start=i;if(b>=55296&&b<=57343)i++;var h=encodeURIComponent(str.slice(start,i+1)).substr(1).split("%");for(var j=0;j<h.length;j++)byteArray.push(parseInt(h[j],16))}}return byteArray}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(str)}function blitBuffer(src,dst,offset,length){var pos;for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}function verifuint(value,max){assert(typeof value==="number","cannot write a non-number as a number");assert(value>=0,"specified a negative value for writing an unsigned value");assert(value<=max,"value is larger than maximum value for type");assert(Math.floor(value)===value,"value has a fractional component")}function verifsint(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value");assert(Math.floor(value)===value,"value has a fractional component")}function verifIEEE754(value,max,min){assert(typeof value==="number","cannot write a non-number as a number");assert(value<=max,"value larger than maximum allowed value");assert(value>=min,"value smaller than minimum allowed value")}function assert(test,message){if(!test)throw new Error(message||"Failed assertion")}},{"base64-js":2,ieee754:3}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var ZERO="0".charCodeAt(0);var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS)return 62;if(code===SLASH)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}module.exports.toByteArray=b64ToByteArray;module.exports.fromByteArray=uint8ToBase64})()},{}],3:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],"hw+Q5G":[function(require,module,exports){"use strict";module.exports=createAxes;var createStateStack=require("gl-state");var createText=require("./lib/text.js");
var createLines=require("./lib/lines.js");var createBackground=require("./lib/background.js");var getCubeProperties=require("./lib/cube.js");var Ticks=require("./lib/ticks.js");var identity=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);function Axes(gl){this.gl=gl;this.bounds=[[-10,-10,-10],[10,10,10]];this.ticks=[[],[],[]];this.autoTicks=true;this.tickSpacing=[1,1,1];this.tickEnable=[true,true,true];this.tickFont=["sans-serif","sans-serif","sans-serif"];this.tickSize=[0,0,0];this.tickAngle=[0,0,0];this.tickColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.tickPad=[1,1,1];this.labels=["x","y","z"];this.labelEnable=[true,true,true];this.labelFont="sans-serif";this.labelSize=[0,0,0];this.labelAngle=[0,0,0];this.labelColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.labelPad=[1.5,1.5,1.5];this.lineEnable=[true,true,true];this.lineMirror=[false,false,false];this.lineWidth=[1,1,1];this.lineColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.lineTickEnable=[true,true,true];this.lineTickMirror=[false,false,false];this.lineTickLength=[0,0,0];this.lineTickWidth=[1,1,1];this.lineTickColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.gridEnable=[true,true,true];this.gridWidth=[1,1,1];this.gridColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.zeroEnable=[true,true,true];this.zeroLineColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.zeroLineWidth=[2,2,2];this.backgroundEnable=[false,false,false];this.backgroundColor=[[.8,.8,.8,.5],[.8,.8,.8,.5],[.8,.8,.8,.5]];this._firstInit=true;this._text=null;this._lines=null;this._background=createBackground(gl);this._state=createStateStack(gl,[gl.BLEND,gl.BLEND_DST_ALPHA,gl.BLEND_DST_RGB,gl.BLEND_SRC_ALPHA,gl.BLEND_SRC_RGB,gl.BLEND_EQUATION_ALPHA,gl.BLEND_EQUATION_RGB,gl.CULL_FACE,gl.CULL_FACE_MODE,gl.DEPTH_WRITEMASK,gl.DEPTH_TEST,gl.DEPTH_FUNC,gl.LINE_WIDTH])}var proto=Axes.prototype;proto.update=function(options){options=options||{};function parseOption(nest,cons,name){if(name in options){var opt=options[name];var prev=this[name];var next;if(nest?Array.isArray(opt)&&Array.isArray(opt[0]):Array.isArray(opt)){this[name]=next=[cons(opt[0]),cons(opt[1]),cons(opt[2])]}else{this[name]=next=[cons(opt),cons(opt),cons(opt)]}for(var i=0;i<3;++i){if(next[i]!==prev[i]){return true}}}return false}var NUMBER=parseOption.bind(this,false,Number);var BOOLEAN=parseOption.bind(this,false,Boolean);var STRING=parseOption.bind(this,false,String);var COLOR=parseOption.bind(this,true,function(v){if(Array.isArray(v)){if(v.length===3){return[+v[0],+v[1],+v[2],1]}else if(v.length===4){return[+v[0],+v[1],+v[2],+v[3]]}}return[0,0,0,1]});var nextTicks;var ticksUpdate=false;var boundsChanged=false;if("bounds"in options){var bounds=options.bounds;i_loop:for(var i=0;i<2;++i){for(var j=0;j<3;++j){if(bounds[i][j]!==this.bounds[i][j]){this.bounds=options.bounds;boundsChanged=true;break i_loop}}}}if("ticks"in options){nextTicks=options.ticks;ticksUpdate=true;this.autoTicks=false;for(var i=0;i<3;++i){this.tickSpacing[i]=0}}if(NUMBER("tickSpacing")){this.autoTicks=true;boundsChanged=true}if(this._firstInit){if(!("ticks"in options||"tickSpacing"in options)){this.autoTicks=true}boundsChanged=true;ticksUpdate=true;this._firstInit=false}if(boundsChanged&&this.autoTicks){nextTicks=Ticks.create(this.bounds,this.tickSpacing)}if(ticksUpdate){for(var i=0;i<3;++i){nextTicks[i].sort(function(a,b){return a.x-b.x})}if(Ticks.equal(nextTicks,this.ticks)){ticksUpdate=false}else{this.ticks=nextTicks}}var defaultSize=Infinity;for(var i=0;i<3;++i){for(var j=1;j<this.ticks[i].length;++j){var a=this.ticks[i][j-1].x;var b=this.ticks[i][j].x;var d=.5*(b-a);defaultSize=Math.min(defaultSize,d)}}BOOLEAN("tickEnable");if(STRING("tickFont")){ticksUpdate=true}NUMBER("tickSize");for(var i=0;i<3;++i){if(this.tickSize[i]<=0||isNaN(this.tickSize[i])){this.tickSize[i]=defaultSize}}NUMBER("tickAngle");NUMBER("tickPad");COLOR("tickColor");var labelUpdate=STRING("labels");if(STRING("labelFont")){labelUpdate=true}BOOLEAN("labelEnable");NUMBER("labelSize");for(var i=0;i<3;++i){if(this.labelSize[i]<=0||isNaN(this.labelSize[i])){this.labelSize[i]=defaultSize}}NUMBER("labelPad");COLOR("labelColor");BOOLEAN("lineEnable");BOOLEAN("lineMirror");NUMBER("lineWidth");COLOR("lineColor");BOOLEAN("lineTickEnable");BOOLEAN("lineTickMirror");NUMBER("lineTickLength");NUMBER("lineTickWidth");COLOR("lineTickColor");BOOLEAN("gridEnable");NUMBER("gridWidth");COLOR("gridColor");BOOLEAN("zeroEnable");COLOR("zeroLineColor");NUMBER("zeroLineWidth");BOOLEAN("backgroundEnable");COLOR("backgroundColor");if(this._text&&(labelUpdate||ticksUpdate)){this._text.dispose();this._text=null}if(!this._text){this._text=createText(this.gl,this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont)}if(this._lines&&this.ticksUpdate){this._lines.dispose();this._lines=null}if(!this._lines){this._lines=createLines(this.gl,this.bounds,this.ticks)}};function computeLineOffset(i,bounds,cubeEdges,cubeAxis){var primalOffset=[0,0,0];var primalMinor=[0,0,0];var dualOffset=[0,0,0];var dualMinor=[0,0,0];var e=cubeEdges[i];for(var j=0;j<3;++j){if(i===j){continue}var a=primalOffset,b=dualOffset,c=primalMinor,d=dualMinor;if(e&1<<j){a=dualOffset;b=primalOffset;c=dualMinor;d=primalMinor}a[j]=bounds[0][j];b[j]=bounds[1][j];if(cubeAxis[j]>0){c[j]=-1}else{d[j]=+1}}return{primalOffset:primalOffset,primalMinor:primalMinor,mirrorOffset:dualOffset,mirrorMinor:dualMinor}}proto.draw=function(params){params=params||{};var model=params.model||identity;var view=params.view||identity;var projection=params.projection||identity;var bounds=this.bounds;var cubeParams=getCubeProperties(model,view,projection,bounds);var cubeEdges=cubeParams.edges;var cubeAxis=cubeParams.axis;var lineOffset=new Array(3);for(var i=0;i<3;++i){lineOffset[i]=computeLineOffset(i,this.bounds,cubeEdges,cubeAxis)}this._state.push();var gl=this.gl;gl.enable(gl.CULL_FACE);gl.cullFace(gl.BACK);gl.enable(gl.DEPTH_TEST);gl.depthMask(false);gl.enable(gl.BLEND);gl.blendEquation(gl.FUNC_ADD);gl.blendFunc(gl.SRC_ALPHA,gl.ONE_MINUS_SRC_ALPHA);var cubeEnable=[0,0,0];for(var i=0;i<3;++i){if(this.backgroundEnable[i]){cubeEnable[i]=cubeAxis[i]}}this._background.draw(model,view,projection,this.bounds,cubeEnable,this.backgroundColor);gl.depthMask(true);gl.depthFunc(gl.LEQUAL);gl.disable(gl.BLEND);this._lines.bind(model,view,projection,this);for(var i=0;i<3;++i){var x=[0,0,0];if(cubeAxis[i]>0){x[i]=bounds[1][i]}else{x[i]=bounds[0][i]}for(var j=0;j<2;++j){var u=(i+1+j)%3;var v=(i+1+(j^1))%3;if(this.gridEnable[u]){gl.lineWidth(this.gridWidth[u]);this._lines.drawGrid(u,v,this.bounds,x,this.gridColor[u])}}for(var j=1;j<=2;++j){var u=(i+j)%3;if(this.zeroEnable[u]){if(bounds[0][u]<=0&&bounds[1][u]>=0){gl.lineWidth(this.zeroLineWidth[u]);this._lines.drawZero(u,this.bounds,x,this.zeroLineColor[u])}}}}for(var i=0;i<3;++i){gl.lineWidth(this.lineWidth[i]);if(this.lineEnable[i]){this._lines.drawAxisLine(i,this.bounds,lineOffset[i].primalOffset,this.lineColor[i])}if(this.lineMirror[i]){this._lines.drawAxisLine(i,this.bounds,lineOffset[i].mirrorOffset,this.lineColor[i])}var primalMinor=lineOffset[i].primalMinor.slice();var mirrorMinor=lineOffset[i].mirrorMinor.slice();var tickLength=this.lineTickLength[i];for(var j=0;j<3;++j){primalMinor[j]*=tickLength;mirrorMinor[j]*=tickLength}gl.lineWidth(this.lineTickWidth[i]);if(this.lineTickEnable[i]){this._lines.drawAxisTicks(i,lineOffset[i].primalOffset,primalMinor,this.lineTickColor[i])}if(this.lineTickMirror[i]){this._lines.drawAxisTicks(i,lineOffset[i].mirrorOffset,mirrorMinor,this.lineTickColor[i])}}this._text.bind(model,view,projection);for(var i=0;i<3;++i){var tickLength=Math.max(this.lineTickLength[i],0);var minor=lineOffset[i].primalMinor;var offset=lineOffset[i].primalOffset.slice();for(var j=0;j<3;++j){offset[j]+=minor[j]*tickLength}if(this.tickEnable[i]){for(var j=0;j<3;++j){offset[j]+=minor[j]*this.tickPad[i]}this._text.drawTicks(i,this.tickSize[i],this.tickAngle[i],offset,this.tickColor[i])}if(this.labelEnable[i]){for(var j=0;j<3;++j){offset[j]+=minor[j]*this.labelPad[i]}this._text.drawLabel(i,this.labelSize[i],this.labelAngle[i],offset,this.labelColor[i])}}this._state.pop()};proto.dispose=function(){this._text.dispose();this._lines.dispose();this._background.dispose()};function createAxes(gl,options){var axes=new Axes(gl);axes.update(options);return axes}},{"./lib/background.js":6,"./lib/cube.js":7,"./lib/lines.js":8,"./lib/text.js":9,"./lib/ticks.js":10,"gl-state":26}],"gl-axes":[function(require,module,exports){module.exports=require("hw+Q5G")},{}],6:[function(require,module,exports){"use strict";module.exports=createBackgroundCube;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var glslify=require("glslify");var createShader=require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec3 normal;\nuniform mat4 model, view, projection;\nuniform vec3 enable;\nuniform vec3 bounds[2];\nvarying vec3 colorChannel;\nvoid main() {\n  if(dot(normal, enable) > 0.0) {\n    vec3 nPosition = mix(bounds[0], bounds[1], 0.5 * (position + 1.0));\n    gl_Position = projection * view * model * vec4(nPosition, 1.0);\n  } else {\n    gl_Position = vec4(0, 0, 0, 0);\n  }\n  colorChannel = abs(normal);\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec4 colors[3];\nvarying vec3 colorChannel;\nvoid main() {\n  gl_FragColor = colorChannel.x * colors[0] + colorChannel.y * colors[1] + colorChannel.z * colors[2];\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"enable",type:"vec3"},{name:"bounds[0]",type:"vec3"},{name:"bounds[1]",type:"vec3"},{name:"colors[0]",type:"vec4"},{name:"colors[1]",type:"vec4"},{name:"colors[2]",type:"vec4"}],[{name:"position",type:"vec3"},{name:"normal",type:"vec3"}]);function BackgroundCube(gl,buffer,vao,shader){this.gl=gl;this.buffer=buffer;this.vao=vao;this.shader=shader}var proto=BackgroundCube.prototype;proto.draw=function(model,view,projection,bounds,enable,colors){this.shader.bind();this.shader.uniforms={model:model,view:view,projection:projection,bounds:bounds,enable:enable,colors:colors};this.vao.bind();this.vao.draw(this.gl.TRIANGLES,36)};proto.dispose=function(){this.vao.dispose();this.buffer.dispose();this.shader.dispose()};function createBackgroundCube(gl){var vertices=[];var indices=[];var ptr=0;for(var d=0;d<3;++d){var u=(d+1)%3;var v=(d+2)%3;var x=[0,0,0];var c=[0,0,0];for(var s=-1;s<=1;s+=2){indices.push(ptr,ptr+2,ptr+1,ptr+1,ptr+2,ptr+3);x[d]=s;c[d]=s;for(var i=-1;i<=1;i+=2){x[u]=i;for(var j=-1;j<=1;j+=2){x[v]=j;vertices.push(x[0],x[1],x[2],c[0],c[1],c[2]);ptr+=1}}var tt=u;u=v;v=tt}}var buffer=createBuffer(gl,new Float32Array(vertices));var elements=createBuffer(gl,new Uint16Array(indices),gl.ELEMENT_ARRAY_BUFFER);var vao=createVAO(gl,[{buffer:buffer,type:gl.FLOAT,size:3,offset:0,stride:24},{buffer:buffer,type:gl.FLOAT,size:3,offset:12,stride:24}],elements);var shader=createShader(gl);shader.attributes.position.location=0;shader.attributes.normal.location=1;return new BackgroundCube(gl,buffer,vao,shader)}},{"gl-buffer":12,"gl-vao":32,glslify:34,"glslify/adapter.js":33}],7:[function(require,module,exports){"use strict";module.exports=getCubeEdges;var bits=require("bit-twiddle");var glm=require("gl-matrix");var mat4=glm.mat4;var vec4=glm.vec4;var scratch=new Float32Array(16);function getCubeEdges(model,view,projection,bounds){var mvp=scratch;mat4.multiply(mvp,view,model);mat4.multiply(mvp,projection,mvp);var cubeVerts=[];var x=[0,0,0,1];var y=[0,0,0,0];for(var i=0;i<2;++i){x[2]=bounds[i][2];for(var j=0;j<2;++j){x[1]=bounds[j][1];for(var k=0;k<2;++k){x[0]=bounds[k][0];vec4.transformMat4(y,x,mvp);var cv=[y[0]/y[3],y[1]/y[3],y[2]];cubeVerts.push(cv)}}}var closest=0;for(var i=0;i<8;++i){if(cubeVerts[i][2]<cubeVerts[closest][2]){closest=i}}var farthest=7^closest;var bottom=-1;for(var i=0;i<8;++i){if(i===closest||i===farthest){continue}if(bottom<0){bottom=i}else if(cubeVerts[bottom][1]>cubeVerts[i][1]){bottom=i}}var left=-1;for(var i=0;i<3;++i){var idx=bottom^1<<i;if(idx===closest||idx===farthest){continue}if(left<0){left=idx}var v=cubeVerts[idx];if(v[0]<cubeVerts[left][0]){left=idx}}var right=-1;for(var i=0;i<3;++i){var idx=bottom^1<<i;if(idx===closest||idx===farthest||idx===left){continue}if(right<0){right=idx}var v=cubeVerts[idx];if(v[0]>cubeVerts[right][0]){right=idx}}var cubeEdges=[0,0,0];cubeEdges[bits.log2(left^bottom)]=bottom&left;cubeEdges[bits.log2(bottom^right)]=bottom&right;var top=right^7;if(top===closest||top===farthest){top=left^7;cubeEdges[bits.log2(right^top)]=top&right}else{cubeEdges[bits.log2(left^top)]=top&left}var axis=[1,1,1];var cutCorner=closest;for(var d=0;d<3;++d){if(cutCorner&1<<d){axis[d]=-1}else{axis[d]=1}}return{edges:cubeEdges,axis:axis}}},{"bit-twiddle":11,"gl-matrix":24}],8:[function(require,module,exports){"use strict";module.exports=createLines;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var glslify=require("glslify");var createShader=require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nattribute vec2 position;\nuniform mat4 model, view, projection;\nuniform vec3 offset, majorAxis, minorAxis;\nvoid main() {\n  vec3 vPosition = position.x * majorAxis + position.y * minorAxis + offset;\n  gl_Position = projection * view * model * vec4(vPosition, 1.0);\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec4 color;\nvoid main() {\n  gl_FragColor = color;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"offset",type:"vec3"},{name:"majorAxis",type:"vec3"},{name:"minorAxis",type:"vec3"},{name:"color",type:"vec4"}],[{name:"position",type:"vec2"}]);function Lines(gl,vertBuffer,vao,shader,tickCount,tickOffset,gridCount,gridOffset){this.gl=gl;this.vertBuffer=vertBuffer;this.vao=vao;this.shader=shader;this.tickCount=tickCount;this.tickOffset=tickOffset;this.gridCount=gridCount;this.gridOffset=gridOffset}var proto=Lines.prototype;proto.bind=function(model,view,projection){this.shader.bind();this.shader.uniforms.model=model;this.shader.uniforms.view=view;this.shader.uniforms.projection=projection;this.vao.bind()};proto.drawAxisLine=function(j,bounds,offset,color){this.shader.uniforms.majorAxis=[0,0,0];var minorAxis=[0,0,0];minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=offset.slice();noffset[j]+=bounds[0][j];this.shader.uniforms.offset=noffset;this.shader.uniforms.color=color;this.vao.draw(this.gl.LINES,2)};proto.drawAxisTicks=function(j,offset,minorAxis,color){var majorAxis=[0,0,0];majorAxis[j]=1;this.shader.uniforms.majorAxis=majorAxis;this.shader.uniforms.offset=offset;this.shader.uniforms.minorAxis=minorAxis;this.shader.uniforms.color=color;this.vao.draw(this.gl.LINES,this.tickCount[j],this.tickOffset[j])};proto.drawGrid=function(i,j,bounds,offset,color){var minorAxis=[0,0,0];minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=offset.slice();noffset[j]+=bounds[0][j];this.shader.uniforms.offset=noffset;var majorAxis=[0,0,0];majorAxis[i]=1;this.shader.uniforms.majorAxis=majorAxis;this.shader.uniforms.color=color;this.vao.draw(this.gl.LINES,this.gridCount[i],this.gridOffset[i])};proto.drawZero=function(j,bounds,offset,color){this.shader.uniforms.majorAxis=[0,0,0];var minorAxis=[0,0,0];minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=offset.slice();noffset[j]+=bounds[0][j];this.shader.uniforms.offset=noffset;this.shader.uniforms.color=color;this.vao.draw(this.gl.LINES,2)};proto.dispose=function(){this.vao.dispose();this.vertBuffer.dispose();this.shader.dispose()};function createLines(gl,bounds,ticks){var vertices=[];var tickOffset=[0,0,0];var tickCount=[0,0,0];var gridOffset=[0,0,0];var gridCount=[0,0,0];vertices.push(0,0,0,1);for(var i=0;i<3;++i){var start=vertices.length/2|0;for(var j=0;j<ticks[i].length;++j){vertices.push(+ticks[i][j].x,0,+ticks[i][j].x,1)}var end=vertices.length/2|0;tickOffset[i]=start;tickCount[i]=end-start;var start=vertices.length/2|0;for(var k=0;k<ticks[i].length;++k){var tx=+ticks[i][k].x;vertices.push(tx,0,tx,1)}var end=vertices.length/2|0;gridOffset[i]=start;gridCount[i]=end-start}var vertBuf=createBuffer(gl,new Float32Array(vertices));var vao=createVAO(gl,[{buffer:vertBuf,type:gl.FLOAT,size:2,stride:0,offset:0}]);var shader=createShader(gl);shader.attributes.position.location=0;return new Lines(gl,vertBuf,vao,shader,tickCount,tickOffset,gridCount,gridOffset)}},{"gl-buffer":12,"gl-vao":32,glslify:34,"glslify/adapter.js":33}],9:[function(require,module,exports){"use strict";module.exports=createTextSprites;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var vectorizeText=require("vectorize-text");var glslify=require("glslify");var createShader=require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nattribute vec3 position;\nuniform mat4 model, view, projection;\nuniform vec3 offset, axis;\nuniform float scale, angle;\nvoid main() {\n  vec2 planeCoord = position.xy;\n  mat2 planeXform = scale * mat2(cos(angle), sin(angle), -sin(angle), cos(angle));\n  vec2 viewOffset = planeXform * planeCoord;\n  float axisDistance = position.z;\n  vec3 dataPosition = axisDistance * axis + offset;\n  vec4 worldPosition = model * vec4(dataPosition, 1);\n  vec4 viewPosition = view * worldPosition + vec4(viewOffset, 0, 0);\n  vec4 clipPosition = projection * viewPosition;\n  gl_Position = clipPosition;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec4 color;\nvoid main() {\n  gl_FragColor = color;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"offset",type:"vec3"},{name:"axis",type:"vec3"},{name:"scale",type:"float"},{name:"angle",type:"float"},{name:"color",type:"vec4"}],[{name:"position",type:"vec3"}]);var VERTEX_SIZE=3;var VERTEX_STRIDE=VERTEX_SIZE*4;function TextSprites(gl,shader,buffer,vao,tickOffset,tickCount,labelOffset,labelCount){this.gl=gl;this.shader=shader;this.buffer=buffer;this.vao=vao;this.tickOffset=tickOffset;this.tickCount=tickCount;this.labelOffset=labelOffset;this.labelCount=labelCount}var proto=TextSprites.prototype;proto.bind=function(model,view,projection){this.vao.bind();this.shader.bind();this.shader.uniforms.model=model;this.shader.uniforms.view=view;this.shader.uniforms.projection=projection};proto.drawTicks=function(d,scale,angle,offset,color){var v=[0,0,0];v[d]=1;this.shader.uniforms.axis=v;this.shader.uniforms.color=color;this.shader.uniforms.angle=angle;this.shader.uniforms.scale=scale;this.shader.uniforms.offset=offset;this.vao.draw(this.gl.TRIANGLES,this.tickCount[d],this.tickOffset[d])};proto.drawLabel=function(d,scale,angle,offset,color){this.shader.uniforms.axis=[0,0,0];this.shader.uniforms.color=color;this.shader.uniforms.angle=angle;this.shader.uniforms.scale=scale;this.shader.uniforms.offset=offset;this.vao.draw(this.gl.TRIANGLES,this.labelCount[d],this.labelOffset[d])};proto.dispose=function(){this.shader.dispose();this.vao.dispose();this.buffer.dispose()};function createTextSprites(gl,bounds,labels,labelFont,ticks,tickFont){var data=[];function addItem(t,text,font){var mesh=vectorizeText(text,{triangles:true,font:font,textAlign:"center",textBaseline:"middle"});var positions=mesh.positions;var cells=mesh.cells;var lo=[Infinity,Infinity];var hi=[-Infinity,-Infinity];for(var i=0,nc=cells.length;i<nc;++i){var c=cells[i];for(var j=2;j>=0;--j){var p=positions[c[j]];data.push(p[0],-p[1],t)}}}var tickOffset=[0,0,0];var tickCount=[0,0,0];var labelOffset=[0,0,0];var labelCount=[0,0,0];for(var d=0;d<3;++d){labelOffset[d]=data.length/VERTEX_SIZE|0;addItem(.5*(bounds[0][d]+bounds[1][d]),labels[d],labelFont);labelCount[d]=(data.length/VERTEX_SIZE|0)-labelOffset[d];tickOffset[d]=data.length/VERTEX_SIZE|0;for(var i=0;i<ticks[d].length;++i){if(!ticks[d][i].text){continue}addItem(ticks[d][i].x,ticks[d][i].text,tickFont)}tickCount[d]=(data.length/VERTEX_SIZE|0)-tickOffset[d]}var buffer=createBuffer(gl,data);var vao=createVAO(gl,[{buffer:buffer,offset:0,size:3}]);var shader=createShader(gl);shader.attributes.position.location=0;return new TextSprites(gl,shader,buffer,vao,tickOffset,tickCount,labelOffset,labelCount)}},{"gl-buffer":12,"gl-vao":32,glslify:34,"glslify/adapter.js":33,"vectorize-text":40}],10:[function(require,module,exports){"use strict";exports.create=defaultTicks;exports.equal=ticksEqual;function prettyPrint(spacing,i){var stepStr=spacing+"";var u=stepStr.indexOf(".");var sigFigs=0;if(u>=0){sigFigs=stepStr.length-u-1}var shift=Math.pow(10,sigFigs);var x=Math.round(spacing*i*shift);var xstr=x+"";if(xstr.indexOf("e")>=0){return xstr}var xi=x/shift,xf=x%shift;if(x<0){xi=-Math.ceil(xi)|0;xf=-xf|0}else{xi=Math.floor(xi)|0;xf=xf|0}var xis=""+xi;if(x<0){xis="-"+xis}if(sigFigs){var xs=""+xf;while(xs.length<sigFigs){xs="0"+xs}return xis+"."+xs}else{return xis}}function defaultTicks(bounds,tickSpacing){var array=[];for(var d=0;d<3;++d){var ticks=[];var m=.5*(bounds[0][d]+bounds[1][d]);for(var t=0;t*tickSpacing[d]<=bounds[1][d];++t){ticks.push({x:t*tickSpacing[d],text:prettyPrint(tickSpacing[d],t)})}for(var t=-1;t*tickSpacing[d]>=bounds[0][d];--t){ticks.push({x:t*tickSpacing[d],text:prettyPrint(tickSpacing[d],t)})}array.push(ticks)}return array}function ticksEqual(ticksA,ticksB){for(var i=0;i<3;++i){if(ticksA[i].length!==ticksB[i].length){return false}for(var j=0;j<ticksA[i].length;++j){var a=ticksA[i][j];var b=ticksB[i][j];if(a.x!==b.x||a.text!==b.text){return false}}}return true}},{}],11:[function(require,module,exports){"use strict";"use restrict";var INT_BITS=32;exports.INT_BITS=INT_BITS;exports.INT_MAX=2147483647;exports.INT_MIN=-1<<INT_BITS-1;exports.sign=function(v){return(v>0)-(v<0)};exports.abs=function(v){var mask=v>>INT_BITS-1;return(v^mask)-mask};exports.min=function(x,y){return y^(x^y)&-(x<y)};exports.max=function(x,y){return x^(x^y)&-(x<y)};exports.isPow2=function(v){return!(v&v-1)&&!!v};exports.log2=function(v){var r,shift;r=(v>65535)<<4;v>>>=r;shift=(v>255)<<3;v>>>=shift;r|=shift;shift=(v>15)<<2;v>>>=shift;r|=shift;shift=(v>3)<<1;v>>>=shift;r|=shift;return r|v>>1};exports.log10=function(v){return v>=1e9?9:v>=1e8?8:v>=1e7?7:v>=1e6?6:v>=1e5?5:v>=1e4?4:v>=1e3?3:v>=100?2:v>=10?1:0};exports.popCount=function(v){v=v-(v>>>1&1431655765);v=(v&858993459)+(v>>>2&858993459);return(v+(v>>>4)&252645135)*16843009>>>24};function countTrailingZeros(v){var c=32;v&=-v;if(v)c--;if(v&65535)c-=16;if(v&16711935)c-=8;if(v&252645135)c-=4;if(v&858993459)c-=2;if(v&1431655765)c-=1;return c}exports.countTrailingZeros=countTrailingZeros;exports.nextPow2=function(v){v+=v===0;--v;v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v+1};exports.prevPow2=function(v){v|=v>>>1;v|=v>>>2;v|=v>>>4;v|=v>>>8;v|=v>>>16;return v-(v>>>1)};exports.parity=function(v){v^=v>>>16;v^=v>>>8;v^=v>>>4;v&=15;return 27030>>>v&1};var REVERSE_TABLE=new Array(256);(function(tab){for(var i=0;i<256;++i){var v=i,r=i,s=7;for(v>>>=1;v;v>>>=1){r<<=1;r|=v&1;--s}tab[i]=r<<s&255}})(REVERSE_TABLE);exports.reverse=function(v){return REVERSE_TABLE[v&255]<<24|REVERSE_TABLE[v>>>8&255]<<16|REVERSE_TABLE[v>>>16&255]<<8|REVERSE_TABLE[v>>>24&255]};exports.interleave2=function(x,y){x&=65535;x=(x|x<<8)&16711935;x=(x|x<<4)&252645135;x=(x|x<<2)&858993459;x=(x|x<<1)&1431655765;y&=65535;y=(y|y<<8)&16711935;y=(y|y<<4)&252645135;y=(y|y<<2)&858993459;y=(y|y<<1)&1431655765;return x|y<<1};exports.deinterleave2=function(v,n){v=v>>>n&1431655765;v=(v|v>>>1)&858993459;v=(v|v>>>2)&252645135;v=(v|v>>>4)&16711935;v=(v|v>>>16)&65535;return v<<16>>16};exports.interleave3=function(x,y,z){x&=1023;x=(x|x<<16)&4278190335;x=(x|x<<8)&251719695;x=(x|x<<4)&3272356035;x=(x|x<<2)&1227133513;y&=1023;y=(y|y<<16)&4278190335;y=(y|y<<8)&251719695;y=(y|y<<4)&3272356035;y=(y|y<<2)&1227133513;x|=y<<1;z&=1023;z=(z|z<<16)&4278190335;z=(z|z<<8)&251719695;z=(z|z<<4)&3272356035;z=(z|z<<2)&1227133513;return x|z<<2};exports.deinterleave3=function(v,n){v=v>>>n&1227133513;v=(v|v>>>2)&3272356035;v=(v|v>>>4)&251719695;v=(v|v>>>8)&4278190335;v=(v|v>>>16)&1023;return v<<22>>22};exports.nextCombination=function(v){var t=v|v-1;return t+1|(~t&-~t)-1>>>countTrailingZeros(v)+1}},{}],12:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var ops=require("ndarray-ops");var ndarray=require("ndarray");var webglew=require("webglew");var SUPPORTED_TYPES=["uint8","uint8_clamped","uint16","uint32","int8","int16","int32","float32"];function GLBuffer(gl,type,handle,length,usage){this.gl=gl;this.type=type;this.handle=handle;this.length=length;this.usage=usage}var proto=GLBuffer.prototype;proto.bind=function(){this.gl.bindBuffer(this.type,this.handle)};proto.dispose=function(){this.gl.deleteBuffer(this.handle)};function updateTypeArray(gl,type,len,usage,data,offset){var dataLen=data.length*data.BYTES_PER_ELEMENT;if(offset<0){gl.bufferData(type,data,usage);return dataLen}if(dataLen+offset>len){throw new Error("gl-buffer: If resizing buffer, must not specify offset")}gl.bufferSubData(type,offset,data);return len}function makeScratchTypeArray(array,dtype){var res=pool.malloc(array.length,dtype);var n=array.length;for(var i=0;i<n;++i){res[i]=array[i]}return res}function isPacked(shape,stride){var n=1;for(var i=stride.length-1;i>=0;--i){if(stride[i]!==n){return false}n*=shape[i]}return true}proto.update=function(array,offset){if(typeof offset!=="number"){offset=-1}this.bind();if(typeof array==="object"&&typeof array.shape!=="undefined"){var dtype=array.dtype;if(SUPPORTED_TYPES.indexOf(dtype)<0){dtype="float32"}if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){var wgl=webglew(gl);var ext=wgl.OES_element_index_uint;if(ext&&dtype!=="uint16"){dtype="uint32"}else{dtype="uint16"}}if(dtype===array.dtype&&isPacked(array.shape,array.stride)){if(array.offset===0&&array.data.length===array.shape[0]){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array.data.subarray(array.offset,array.shape[0]),offset)}}else{var tmp=pool.malloc(array.size,dtype);var ndt=ndarray(tmp,array.shape);ops.assign(ndt,array);if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,tmp.subarray(0,array.size),offset)}pool.free(tmp)}}else if(Array.isArray(array)){var t;if(this.type===this.gl.ELEMENT_ARRAY_BUFFER){t=makeScratchTypeArray(array,"uint16")}else{t=makeScratchTypeArray(array,"float32")}if(offset<0){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t,offset)}else{this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,t.subarray(0,array.length),offset)}pool.free(t)}else if(typeof array==="object"&&typeof array.length==="number"){this.length=updateTypeArray(this.gl,this.type,this.length,this.usage,array,offset)}else if(typeof array==="number"||array===undefined){if(offset>=0){throw new Error("gl-buffer: Cannot specify offset when resizing buffer")}array=array|0;if(array<=0){array=1}this.gl.bufferData(this.type,array|0,this.usage);this.length=array}else{throw new Error("gl-buffer: Invalid data type")}};function createBuffer(gl,data,type,usage){webglew(gl);type=type||gl.ARRAY_BUFFER;usage=usage||gl.DYNAMIC_DRAW;if(type!==gl.ARRAY_BUFFER&&type!==gl.ELEMENT_ARRAY_BUFFER){throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER")}if(usage!==gl.DYNAMIC_DRAW&&usage!==gl.STATIC_DRAW&&usage!==gl.STREAM_DRAW){throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW")}var handle=gl.createBuffer();var result=new GLBuffer(gl,type,handle,0,usage);result.update(data);return result}module.exports=createBuffer},{ndarray:18,"ndarray-ops":13,"typedarray-pool":21,webglew:23}],13:[function(require,module,exports){"use strict";var compile=require("cwise-compiler");var EmptyProc={body:"",args:[],thisVars:[],localVars:[]};function fixup(x){if(!x){return EmptyProc}for(var i=0;i<x.args.length;++i){var a=x.args[i];if(i===0){x.args[i]={name:a,lvalue:true,rvalue:!!x.rvalue,count:x.count||1}}else{x.args[i]={name:a,lvalue:false,rvalue:true,count:1}}}if(!x.thisVars){x.thisVars=[]}if(!x.localVars){x.localVars=[]}return x}function pcompile(user_args){return compile({args:user_args.args,pre:fixup(user_args.pre),body:fixup(user_args.body),post:fixup(user_args.proc),funcName:user_args.funcName})}function makeOp(user_args){var args=[];for(var i=0;i<user_args.args.length;++i){args.push("a"+i)}var wrapper=new Function("P",["return function ",user_args.funcName,"_ndarrayops(",args.join(","),") {P(",args.join(","),");return a0}"].join(""));return wrapper(pcompile(user_args))}var assign_ops={add:"+",sub:"-",mul:"*",div:"/",mod:"%",band:"&",bor:"|",bxor:"^",lshift:"<<",rshift:">>",rrshift:">>>"};(function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;i<math_unary.length;++i){var f=math_unary[i];exports[f]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b)",thisVars:["this_f"]},funcName:f});exports[f+"eq"]=makeOp({args:["array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a"],body:"a=this_f(a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"})}})();var math_comm=["max","min","atan2","pow"];(function(){for(var i=0;i<math_comm.length;++i){var f=math_comm[i];exports[f]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f});exports[f+"s"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f+"s"});exports[f+"eq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"});exports[f+"seq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"seq"})}})();var math_noncomm=["atan2","pow"];(function(){for(var i=0;i<math_noncomm.length;++i){var f=math_noncomm[i];exports[f+"op"]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"op"});exports[f+"ops"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"ops"});
exports[f+"opeq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opeq"});exports[f+"opseq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opseq"})}})();exports.any=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"if(a){return true}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return false"},funcName:"any"});exports.all=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1}],body:"if(!x){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"all"});exports.sum=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s+=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"sum"});exports.prod=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=1"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s*=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"prod"});exports.norm2squared=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm2squared"});exports.norm2=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return Math.sqrt(this_s)"},funcName:"norm2"});exports.norminf=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:4}],body:"if(-a>this_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_<this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.argmin=compile({args:["index","array","shape"],pre:{body:"{this_v=Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_<this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.argmax=compile({args:["index","array","shape"],pre:{body:"{this_v=-Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_>this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":14}],14:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i<proc_args.length;++i){var arg_type=proc_args[i];if(arg_type==="array"){proc.arrayArgs.push(i);proc.shimArgs.push("array"+i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array args")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array index")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array index")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].lvalue){throw new Error("cwise: pre() block may not write to array shape")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array shape")}if(i<proc.post.args.length&&proc.post.args[i].lvalue){throw new Error("cwise: post() block may not write to array shape")}}else if(typeof arg_type==="object"&&arg_type.offset){proc.argTypes[i]="offset";proc.offsetArgs.push({array:arg_type.array,offset:arg_type.offset});proc.offsetArgIndex.push(i)}else{throw new Error("cwise: Unknown argument type "+proc_args[i])}}if(proc.arrayArgs.length<=0){throw new Error("cwise: No array arguments specified")}if(proc.pre.args.length>proc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":16}],15:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;for(i=0;i<dimension;++i){vars.push(["i",i,"=0"].join(""))}for(j=0;j<nargs;++j){for(i=0;i<dimension;++i){pidx=idx;idx=order[i];if(i===0){vars.push(["d",j,"s",i,"=t",j,"p",idx].join(""))}else{vars.push(["d",j,"s",i,"=(t",j,"p",idx,"-s",pidx,"*t",j,"p",pidx,")"].join(""))}}}code.push("var "+vars.join(","));for(i=dimension-1;i>=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"<s",idx,";++i",i,"){"].join(""))}code.push(body);for(i=0;i<dimension;++i){pidx=idx;idx=order[i];for(j=0;j<nargs;++j){code.push(["p",j,"+=d",j,"s",i].join(""))}if(has_index){if(i>0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i<nargs;++i){code.push(["var offset",i,"=p",i].join(""))}for(var i=matched;i<dimension;++i){code.push(["for(var j"+i+"=SS[",order[i],"]|0;j",i,">0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i<nargs;++i){var indexStr=["offset"+i];for(var j=matched;j<dimension;++j){indexStr.push(["j",j,"*t",i,"p",order[j]].join(""))}code.push(["p",i,"=(",indexStr.join("+"),")"].join(""))}code.push(innerFill(order,proc,body));for(var i=matched;i<dimension;++i){code.push("}")}return code.join("\n")}function countMatches(orders){var matched=0,dimension=orders[0].length;while(matched<dimension){for(var j=1;j<orders.length;++j){if(orders[j][matched]!==orders[0][matched]){return matched}}++matched}return matched}function processBlock(block,proc,dtypes){var code=block.body;var pre=[];var post=[];for(var i=0;i<block.args.length;++i){var carg=block.args[i];if(carg.count<=0){continue}var re=new RegExp(carg.name,"g");var ptrStr="";var arrNum=proc.arrayArgs.indexOf(i);switch(proc.argTypes[i]){case"offset":var offArgIndex=proc.offsetArgIndex.indexOf(i);var offArg=proc.offsetArgs[offArgIndex];arrNum=offArg.array;ptrStr="+q"+offArgIndex;case"array":ptrStr="p"+arrNum+ptrStr;var localStr="l"+i;var arrStr="a"+arrNum;if(carg.count===1){if(dtypes[arrNum]==="generic"){if(carg.lvalue){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}else{code=code.replace(re,[arrStr,".get(",ptrStr,")"].join(""))}}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}else if(dtypes[arrNum]==="generic"){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}}else{pre.push(["var ",localStr,"=",arrStr,"[",ptrStr,"]"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,"[",ptrStr,"]=",localStr].join(""))}}break;case"scalar":code=code.replace(re,"Y"+proc.scalarArgs.indexOf(i));break;case"index":code=code.replace(re,"index");break;case"shape":code=code.replace(re,"shape");break}}return[pre.join("\n"),code,post.join("\n")].join("\n").trim()}function typeSummary(dtypes){var summary=new Array(dtypes.length);var allEqual=true;for(var i=0;i<dtypes.length;++i){var t=dtypes[i];var digits=t.match(/\d+/);if(!digits){digits=""}else{digits=digits[0]}if(t.charAt(0)===0){summary[i]="u"+t.charAt(1)+digits}else{summary[i]=t.charAt(0)+digits}if(i>0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);var arglist=["SS"];var code=["'use strict'"];var vars=[];for(var j=0;j<dimension;++j){vars.push(["s",j,"=SS[",j,"]"].join(""))}for(var i=0;i<proc.arrayArgs.length;++i){arglist.push("a"+i);arglist.push("t"+i);arglist.push("p"+i);dtypes[i]=typesig[2*i];orders[i]=typesig[2*i+1];for(var j=0;j<dimension;++j){vars.push(["t",i,"p",j,"=t",i,"[",j,"]"].join(""))}}for(var i=0;i<proc.scalarArgs.length;++i){arglist.push("Y"+i)}if(proc.shapeArgs.length>0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i<dimension;++i){zeros[i]="0"}vars.push(["index=[",zeros.join(","),"]"].join(""))}for(var i=0;i<proc.offsetArgs.length;++i){var off_arg=proc.offsetArgs[i];var init_string=[];for(var j=0;j<off_arg.offset.length;++j){if(off_arg.offset[j]===0){continue}else if(off_arg.offset[j]===1){init_string.push(["t",off_arg.array,"p",j].join(""))}else{init_string.push([off_arg.offset[j],"*t",off_arg.array,"p",j].join(""))}}if(init_string.length===0){vars.push("q"+i+"=0")}else{vars.push(["q",i,"=",init_string.join("+")].join(""))}}var thisVars=uniq([].concat(proc.pre.thisVars).concat(proc.body.thisVars).concat(proc.post.thisVars));vars=vars.concat(thisVars);code.push("var "+vars.join(","));for(var i=0;i<proc.arrayArgs.length;++i){code.push("p"+i+"|=0")}if(proc.pre.body.length>3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(orders);if(matched<dimension){code.push(outerFill(matched,orders[0],proc,body))}else{code.push(innerFill(orders[0],proc,body))}if(proc.post.body.length>3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("Generated cwise routine for ",typesig,":\n\n",code.join("\n"))}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:17}],16:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape"].join("")];for(var i=0;i<proc.arrayArgs.length;++i){var j=proc.arrayArgs[i];vars.push(["t",j,"=array",j,".dtype,","r",j,"=array",j,".order"].join(""));typesig.push("t"+j);typesig.push("r"+j);string_typesig.push("t"+j);string_typesig.push("r"+j+".join()");proc_args.push("array"+j+".data");proc_args.push("array"+j+".stride");proc_args.push("array"+j+".offset|0")}for(var i=0;i<proc.scalarArgs.length;++i){proc_args.push("scalar"+proc.scalarArgs[i])}vars.push(["type=[",string_typesig.join(","),"].join()"].join(""));vars.push("proc=CACHED[type]");code.push("var "+vars.join(","));code.push(["if(!proc){","CACHED[type]=proc=compile([",typesig.join(","),"])}","return proc(",proc_args.join(","),")}"].join(""));if(proc.debug){console.log("Generated thunk:",code.join("\n"))}var thunk=new Function("compile",code.join("\n"));return thunk(compile.bind(undefined,proc))}module.exports=createThunk},{"./compile.js":15}],17:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],18:[function(require,module,exports){(function(Buffer){var iota=require("iota-array");var arrayMethods=["concat","join","slice","toString","indexOf","lastIndexOf","forEach","every","some","filter","map","reduce","reduceRight"];var hasTypedArrays=typeof Float64Array!=="undefined";var hasBuffer=typeof Buffer!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;i<terms.length;++i){terms[i]=[Math.abs(stride[i]),i]}terms.sort(compare1st);var result=new Array(terms.length);for(i=0;i<result.length;++i){result[i]=terms[i][1]}return result}function compileConstructor(dtype,dimension){var className=["View",dimension,"d",dtype].join("");if(dimension<0){className="View_Nil"+dtype}var useGetters=dtype==="generic";if(dimension===-1){var code="function "+className+"(a){this.data=a;};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return -1};proto.size=0;proto.dimension=-1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function(){return new "+className+"(this.data);};proto.get=proto.set=function(){};proto.pick=function(){return null};return function construct_"+className+"(a){return new "+className+"(a);}";var procedure=new Function(code);return procedure()}else if(dimension===0){var code="function "+className+"(a,d) {this.data = a;this.offset = d};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return this.offset};proto.dimension=0;proto.size=1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function "+className+"_copy() {return new "+className+"(this.data,this.offset)};proto.pick=function "+className+"_pick(){return TrivialArray(this.data);};proto.valueOf=proto.get=function "+className+"_get(){return "+(useGetters?"this.data.get(this.offset)":"this.data[this.offset]")+"};proto.set=function "+className+"_set(v){return "+(useGetters?"this.data.set(this.offset,v)":"this.data[this.offset]=v")+"};return function construct_"+className+"(a,b,c,d){return new "+className+"(a,d)}";var procedure=new Function("TrivialArray",code);return procedure(CACHED_CONSTRUCTORS[dtype][0])}var code=["'use strict'"];var indices=iota(dimension);var args=indices.map(function(i){return"i"+i});var index_str="this.offset+"+indices.map(function(i){return"this._stride"+i+"*i"+i}).join("+");code.push("function "+className+"(a,"+indices.map(function(i){return"b"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",d){this.data=a");for(var i=0;i<dimension;++i){code.push("this._shape"+i+"=b"+i+"|0")}for(var i=0;i<dimension;++i){code.push("this._stride"+i+"=c"+i+"|0")}code.push("this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);var strideClassName="VStride"+dimension+"d"+dtype;var shapeClassName="VShape"+dimension+"d"+dtype;var props={stride:strideClassName,shape:shapeClassName};for(var prop in props){var arrayName=props[prop];code.push("function "+arrayName+"(v) {this._v=v} var aproto="+arrayName+".prototype","aproto.length="+dimension);var array_elements=[];for(var i=0;i<dimension;++i){array_elements.push(["this._v._",prop,i].join(""))}code.push("aproto.toJSON=function "+arrayName+"_toJSON(){return ["+array_elements.join(",")+"]}","aproto.valueOf=aproto.toString=function "+arrayName+"_toString(){return ["+array_elements.join(",")+"].join()}");for(var i=0;i<dimension;++i){code.push("Object.defineProperty(aproto,"+i+",{get:function(){return this._v._"+prop+i+"},set:function(v){return this._v._"+prop+i+"=v|0},enumerable:true})")}for(var i=0;i<arrayMethods.length;++i){if(arrayMethods[i]in Array.prototype){code.push("aproto."+arrayMethods[i]+"=Array.prototype."+arrayMethods[i])}}code.push(["Object.defineProperty(proto,'",prop,"',{get:function ",arrayName,"_get(){return new ",arrayName,"(this)},set: function ",arrayName,"_set(v){"].join(""));for(var i=0;i<dimension;++i){code.push("this._"+prop+i+"=v["+i+"]|0")}code.push("return v}})")}code.push("Object.defineProperty(proto,'size',{get:function "+className+"_size(){return "+indices.map(function(i){return"this._shape"+i}).join("*"),"}})");if(dimension===1){code.push("proto.order=[0]")}else{code.push("Object.defineProperty(proto,'order',{get:");if(dimension<4){code.push("function "+className+"_order(){");if(dimension===2){code.push("return (Math.abs(this._stride0)>Math.abs(this._stride1))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this._stride0),s1=Math.abs(this._stride1),s2=Math.abs(this._stride2);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this._shape",i,":i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this._stride"+i}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this._shape"+i});var c_vars=indices.map(function(i){return"c"+i+"=this._stride"+i});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this._shape"+i}).join(",")+","+indices.map(function(i){return"b"+i+"=this._stride"+i}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'){d=i"+i+"|0;if(d<0){c+=b"+i+"*(a"+i+"-1);a"+i+"=ceil(-a"+i+"/d)}else{a"+i+"=ceil(a"+i+"/d)}b"+i+"*=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"b"+i}).join(",")+",c)}");var tShape=new Array(dimension);var tStride=new Array(dimension);for(var i=0;i<dimension;++i){tShape[i]="a[i"+i+"]";tStride[i]="b[i"+i+"]"}code.push("proto.transpose=function "+className+"_transpose("+args+"){"+args.map(function(n,idx){return n+"=("+n+"===undefined?"+idx+":"+n+"|0)"}).join(";"),"var a=this.shape,b=this.stride;return new "+className+"(this.data,"+tShape.join(",")+","+tStride.join(",")+",this.offset)}");code.push("proto.pick=function "+className+"_pick("+args+"){var a=[],b=[],c=this.offset");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){c=(c+this._stride"+i+"*i"+i+")|0}else{a.push(this._shape"+i+");b.push(this._stride"+i+")}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(hasBuffer){if(Buffer.isBuffer(data)){return"buffer"}}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i<d;++i){if(stride[i]<0){offset-=(shape[i]-1)*stride[i]}}}var dtype=arrayDType(data);var ctor_list=CACHED_CONSTRUCTORS[dtype];while(ctor_list.length<=d+1){ctor_list.push(compileConstructor(dtype,ctor_list.length-1))}var ctor=ctor_list[d+1];return ctor(data,shape,stride,offset)}module.exports=wrappedNDArrayCtor}).call(this,require("buffer").Buffer)},{buffer:1,"iota-array":19}],19:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],20:[function(require,module,exports){"use strict";function dupe_array(count,value,i){var c=count[i]|0;if(c<=0){return[]}var result=new Array(c),j;if(i===count.length-1){for(j=0;j<c;++j){result[j]=value}}else{for(j=0;j<c;++j){result[j]=dupe_array(count,value,i+1)}}return result}function dupe_number(count,value){var result,i;result=new Array(count);for(i=0;i<count;++i){result[i]=value}return result}function dupe(count,value){if(typeof value==="undefined"){value=0}switch(typeof count){case"number":if(count>0){return dupe_number(count|0,value)}break;case"object":if(typeof count.length==="number"){return dupe_array(count,value,0)}break}return[]}module.exports=dupe},{}],21:[function(require,module,exports){(function(global,Buffer){var bits=require("bit-twiddle");var dup=require("dup");if(!global.__TYPEDARRAY_POOL){global.__TYPEDARRAY_POOL={UINT8:dup([32,0]),UINT16:dup([32,0]),UINT32:dup([32,0]),INT8:dup([32,0]),INT16:dup([32,0]),INT32:dup([32,0]),FLOAT:dup([32,0]),DOUBLE:dup([32,0]),DATA:dup([32,0]),UINT8C:dup([32,0]),BUFFER:dup([32,0])}}var hasUint8C=typeof Uint8ClampedArray!=="undefined";var POOL=global.__TYPEDARRAY_POOL;if(!POOL.UINT8C){POOL.UINT8C=dup([32,0])}if(!POOL.BUFFER){POOL.BUFFER=dup([32,0])}var UINT8=POOL.UINT8,UINT16=POOL.UINT16,UINT32=POOL.UINT32,INT8=POOL.INT8,INT16=POOL.INT16,INT32=POOL.INT32,FLOAT=POOL.FLOAT,DOUBLE=POOL.DOUBLE,DATA=POOL.DATA,UINT8C=POOL.UINT8C,BUFFER=POOL.BUFFER;exports.free=function free(array){var n=array.length|0,log_n=bits.log2(n);if(Buffer.isBuffer(array)){BUFFER[log_n].push(array)}else{switch(Object.prototype.toString.call(array)){case"[object Uint8Array]":UINT8[log_n].push(array);break;case"[object Uint16Array]":UINT16[log_n].push(array);break;case"[object Uint32Array]":UINT32[log_n].push(array);break;case"[object Int8Array]":INT8[log_n].push(array);break;case"[object Int16Array]":INT16[log_n].push(array);break;case"[object Int32Array]":INT32[log_n].push(array);break;case"[object Uint8ClampedArray]":UINT8C[log_n].push(array);break;case"[object Float32Array]":FLOAT[log_n].push(array);break;case"[object Float64Array]":DOUBLE[log_n].push(array);break;case"[object ArrayBuffer]":DATA[log_n].push(array);break;default:throw new Error("typedarray-pool: Unspecified array type")}}};exports.freeUint8=function freeUint8(array){UINT8[bits.log2(array.length)].push(array)};exports.freeUint16=function freeUint16(array){UINT16[bits.log2(array.length)].push(array)};exports.freeUint32=function freeUint32(array){UINT32[bits.log2(array.length)].push(array)};exports.freeInt8=function freeInt8(array){INT8[bits.log2(array.length)].push(array)};exports.freeInt16=function freeInt16(array){INT16[bits.log2(array.length)].push(array)};exports.freeInt32=function freeInt32(array){INT32[bits.log2(array.length)].push(array)};exports.freeFloat32=exports.freeFloat=function freeFloat(array){FLOAT[bits.log2(array.length)].push(array)};exports.freeFloat64=exports.freeDouble=function freeDouble(array){DOUBLE[bits.log2(array.length)].push(array)};exports.freeArrayBuffer=function freeArrayBuffer(array){DATA[bits.log2(array.length)].push(array)};if(hasUint8C){exports.freeUint8Clamped=function freeUint8Clamped(array){UINT8C[bits.log2(array.length)].push(array)}}else{exports.freeUint8Clamped=exports.freeUint8}exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){n=bits.nextPow2(n);var log_n=bits.log2(n);if(dtype===undefined||dtype==="arraybuffer"){var d=DATA[log_n];if(d.length>0){var r=d[d.length-1];d.pop();return r}return new ArrayBuffer(n)}else{switch(dtype){case"uint8":var u8=UINT8[log_n];if(u8.length>0){return u8.pop()}return new Uint8Array(n);break;case"uint16":var u16=UINT16[log_n];if(u16.length>0){return u16.pop()}return new Uint16Array(n);break;case"uint32":var u32=UINT32[log_n];if(u32.length>0){return u32.pop()}return new Uint32Array(n);break;case"int8":var i8=INT8[log_n];if(i8.length>0){return i8.pop()}return new Int8Array(n);break;case"int16":var i16=INT16[log_n];if(i16.length>0){return i16.pop()}return new Int16Array(n);break;case"int32":var i32=INT32[log_n];if(i32.length>0){return i32.pop()}return new Int32Array(n);break;case"float":case"float32":var f=FLOAT[log_n];if(f.length>0){return f.pop()}return new Float32Array(n);break;case"double":case"float64":var dd=DOUBLE[log_n];if(dd.length>0){return dd.pop()}return new Float64Array(n);break;case"uint8_clamped":if(hasUint8C){var u8c=UINT8C[log_n];if(u8c.length>0){return u8c.pop()}return new Uint8ClampedArray(n)}else{var u8=UINT8[log_n];if(u8.length>0){return u8.pop()}return new Uint8Array(n)}break;case"buffer":var buf=BUFFER[log_n];if(buf.length>0){return buf.pop()}return new Buffer(n);break;default:return null}}return null};exports.mallocUint8=function mallocUint8(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=UINT8[log_n];if(cache.length>0){return cache.pop()}return new Uint8Array(n)};exports.mallocUint16=function mallocUint16(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=UINT16[log_n];if(cache.length>0){return cache.pop()}return new Uint16Array(n)};exports.mallocUint32=function mallocUint32(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=UINT32[log_n];if(cache.length>0){return cache.pop()}return new Uint32Array(n)};exports.mallocInt8=function mallocInt8(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=INT8[log_n];if(cache.length>0){return cache.pop()}return new Int8Array(n)};exports.mallocInt16=function mallocInt16(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=INT16[log_n];if(cache.length>0){return cache.pop()}return new Int16Array(n)};exports.mallocInt32=function mallocInt32(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=INT32[log_n];if(cache.length>0){return cache.pop()}return new Int32Array(n)};exports.mallocFloat32=exports.mallocFloat=function mallocFloat(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=FLOAT[log_n];if(cache.length>0){return cache.pop()}return new Float32Array(n)};
exports.mallocFloat64=exports.mallocDouble=function mallocDouble(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=DOUBLE[log_n];if(cache.length>0){return cache.pop()}return new Float64Array(n)};exports.mallocArrayBuffer=function mallocArrayBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=DATA[log_n];if(cache.length>0){return cache.pop()}return new ArrayBuffer(n)};if(hasUint8C){exports.mallocUint8Clamped=function mallocUint8Clamped(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=UINT8C[log_n];if(cache.length>0){return cache.pop()}return new Uint8ClampedArray(n)}}else{exports.mallocUint8Clamped=exports.mallocUint8}exports.mallocBuffer=function mallocBuffer(n){n=bits.nextPow2(n);var log_n=bits.log2(n);var cache=BUFFER[log_n];if(cache.length>0){return cache.pop()}return new Buffer(n)};exports.clearCache=function clearCache(){for(var i=0;i<32;++i){UINT8[i].length=0;UINT16[i].length=0;UINT32[i].length=0;INT8[i].length=0;INT16[i].length=0;INT32[i].length=0;FLOAT[i].length=0;DOUBLE[i].length=0;DATA[i].length=0;UINT8C[i].length=0;BUFFER[i].length=0}}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":11,buffer:1,dup:20}],22:[function(require,module,exports){void function(global,undefined_,undefined){var getProps=Object.getOwnPropertyNames,defProp=Object.defineProperty,toSource=Function.prototype.toString,create=Object.create,hasOwn=Object.prototype.hasOwnProperty,funcName=/^\n?function\s?(\w*)?_?\(/;function define(object,key,value){if(typeof key==="function"){value=key;key=nameOf(value).replace(/_$/,"")}return defProp(object,key,{configurable:true,writable:true,value:value})}function nameOf(func){return typeof func!=="function"?"":"name"in func?func.name:toSource.call(func).match(funcName)[1]}var Data=function(){var dataDesc={value:{writable:true,value:undefined}},datalock="return function(k){if(k===s)return l}",uids=create(null),createUID=function(){var key=Math.random().toString(36).slice(2);return key in uids?createUID():uids[key]=key},globalID=createUID(),storage=function(obj){if(hasOwn.call(obj,globalID))return obj[globalID];if(!Object.isExtensible(obj))throw new TypeError("Object must be extensible");var store=create(null);defProp(obj,globalID,{value:store});return store};define(Object,function getOwnPropertyNames(obj){var props=getProps(obj);if(hasOwn.call(obj,globalID))props.splice(props.indexOf(globalID),1);return props});function Data(){var puid=createUID(),secret={};this.unlock=function(obj){var store=storage(obj);if(hasOwn.call(store,puid))return store[puid](secret);var data=create(null,dataDesc);defProp(store,puid,{value:new Function("s","l",datalock)(secret,data)});return data}}define(Data.prototype,function get(o){return this.unlock(o).value});define(Data.prototype,function set(o,v){this.unlock(o).value=v});return Data}();var WM=function(data){var validate=function(key){if(key==null||typeof key!=="object"&&typeof key!=="function")throw new TypeError("Invalid WeakMap key")};var wrap=function(collection,value){var store=data.unlock(collection);if(store.value)throw new TypeError("Object is already a WeakMap");store.value=value};var unwrap=function(collection){var storage=data.unlock(collection).value;if(!storage)throw new TypeError("WeakMap is not generic");return storage};var initialize=function(weakmap,iterable){if(iterable!==null&&typeof iterable==="object"&&typeof iterable.forEach==="function"){iterable.forEach(function(item,i){if(item instanceof Array&&item.length===2)set.call(weakmap,iterable[i][0],iterable[i][1])})}};function WeakMap(iterable){if(this===global||this==null||this===WeakMap.prototype)return new WeakMap(iterable);wrap(this,new Data);initialize(this,iterable)}function get(key){validate(key);var value=unwrap(this).get(key);return value===undefined_?undefined:value}function set(key,value){validate(key);unwrap(this).set(key,value===undefined?undefined_:value)}function has(key){validate(key);return unwrap(this).get(key)!==undefined}function delete_(key){validate(key);var data=unwrap(this),had=data.get(key)!==undefined;data.set(key,undefined);return had}function toString(){unwrap(this);return"[object WeakMap]"}try{var src=("return "+delete_).replace("e_","\\u0065"),del=new Function("unwrap","validate",src)(unwrap,validate)}catch(e){var del=delete_}var src=(""+Object).split("Object");var stringifier=function toString(){return src[0]+nameOf(this)+src[1]};define(stringifier,stringifier);var prep={__proto__:[]}instanceof Array?function(f){f.__proto__=stringifier}:function(f){define(f,stringifier)};prep(WeakMap);[toString,get,set,has,del].forEach(function(method){define(WeakMap.prototype,method);prep(method)});return WeakMap}(new Data);var defaultCreator=Object.create?function(){return Object.create(null)}:function(){return{}};function createStorage(creator){var weakmap=new WM;creator||(creator=defaultCreator);function storage(object,value){if(value||arguments.length===2){weakmap.set(object,value)}else{value=weakmap.get(object);if(value===undefined){value=creator(object);weakmap.set(object,value)}}return value}return storage}if(typeof module!=="undefined"){module.exports=WM}else if(typeof exports!=="undefined"){exports.WeakMap=WM}else if(!("WeakMap"in global)){global.WeakMap=WM}WM.createStorage=createStorage;if(global.WeakMap)global.WeakMap.createStorage=createStorage}((0,eval)("this"))},{}],23:[function(require,module,exports){"use strict";var weakMap=typeof WeakMap==="undefined"?require("weakmap"):WeakMap;var WebGLEWStruct=new weakMap;function baseName(ext_name){return ext_name.replace(/^[A-Z]+_/,"")}function initWebGLEW(gl){var struct=WebGLEWStruct.get(gl);if(struct){return struct}var extensions={};var supported=gl.getSupportedExtensions();for(var i=0;i<supported.length;++i){var extName=supported[i];var ext=gl.getExtension(supported[i]);if(!ext){continue}while(true){extensions[extName]=ext;var base=baseName(extName);if(base===extName){break}extName=base}}WebGLEWStruct.set(gl,extensions);return extensions}module.exports=initWebGLEW},{weakmap:22}],24:[function(require,module,exports){(function(){"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{shim.exports=window}}else{shim.exports=exports}(function(exports){if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}if(!GLMAT_ARRAY_TYPE){var GLMAT_ARRAY_TYPE=typeof Float32Array!=="undefined"?Float32Array:Array}var glMatrix={};glMatrix.setMatrixArrayType=function(type){GLMAT_ARRAY_TYPE=type};if(typeof exports!=="undefined"){exports.glMatrix=glMatrix}var vec2={};vec2.create=function(){var out=new GLMAT_ARRAY_TYPE(2);out[0]=0;out[1]=0;return out};vec2.clone=function(a){var out=new GLMAT_ARRAY_TYPE(2);out[0]=a[0];out[1]=a[1];return out};vec2.fromValues=function(x,y){var out=new GLMAT_ARRAY_TYPE(2);out[0]=x;out[1]=y;return out};vec2.copy=function(out,a){out[0]=a[0];out[1]=a[1];return out};vec2.set=function(out,x,y){out[0]=x;out[1]=y;return out};vec2.add=function(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];return out};vec2.subtract=function(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];return out};vec2.sub=vec2.subtract;vec2.multiply=function(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];return out};vec2.mul=vec2.multiply;vec2.divide=function(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];return out};vec2.div=vec2.divide;vec2.min=function(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);return 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};vec2.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;return out};vec2.distance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return Math.sqrt(x*x+y*y)};vec2.dist=vec2.distance;vec2.squaredDistance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return x*x+y*y};vec2.sqrDist=vec2.squaredDistance;vec2.length=function(a){var x=a[0],y=a[1];return Math.sqrt(x*x+y*y)};vec2.len=vec2.length;vec2.squaredLength=function(a){var x=a[0],y=a[1];return x*x+y*y};vec2.sqrLen=vec2.squaredLength;vec2.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];return out};vec2.normalize=function(out,a){var x=a[0],y=a[1];var len=x*x+y*y;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len}return out};vec2.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]};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};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};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};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};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};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};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}}();vec2.str=function(a){return"vec2("+a[0]+", "+a[1]+")"};if(typeof exports!=="undefined"){exports.vec2=vec2}var vec3={};vec3.create=function(){var out=new GLMAT_ARRAY_TYPE(3);out[0]=0;out[1]=0;out[2]=0;return out};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};vec3.fromValues=function(x,y,z){var out=new GLMAT_ARRAY_TYPE(3);out[0]=x;out[1]=y;out[2]=z;return out};vec3.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];return out};vec3.set=function(out,x,y,z){out[0]=x;out[1]=y;out[2]=z;return 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};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};vec3.sub=vec3.subtract;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};vec3.mul=vec3.multiply;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};vec3.div=vec3.divide;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};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};vec3.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;return out};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)};vec3.dist=vec3.distance;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};vec3.sqrDist=vec3.squaredDistance;vec3.length=function(a){var x=a[0],y=a[1],z=a[2];return Math.sqrt(x*x+y*y+z*z)};vec3.len=vec3.length;vec3.squaredLength=function(a){var x=a[0],y=a[1],z=a[2];return x*x+y*y+z*z};vec3.sqrLen=vec3.squaredLength;vec3.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];return 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){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len}return out};vec3.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]};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};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};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};vec3.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],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;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};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}}();vec3.str=function(a){return"vec3("+a[0]+", "+a[1]+", "+a[2]+")"};if(typeof exports!=="undefined"){exports.vec3=vec3}var vec4={};vec4.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=0;return out};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};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};vec4.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};vec4.set=function(out,x,y,z,w){out[0]=x;out[1]=y;out[2]=z;out[3]=w;return 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};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};vec4.sub=vec4.subtract;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};vec4.mul=vec4.multiply;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};vec4.div=vec4.divide;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};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};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};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)};vec4.dist=vec4.distance;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};vec4.sqrDist=vec4.squaredDistance;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)};vec4.len=vec4.length;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};vec4.sqrLen=vec4.squaredLength;vec4.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=-a[3];return 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};vec4.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]};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};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};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],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;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};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}}();vec4.str=function(a){return"vec4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.vec4=vec4}var mat2={};var mat2Identity=new Float32Array([1,0,0,1]);mat2.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};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};mat2.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};mat2.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};mat2.transpose=function(out,a){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};mat2.invert=function(out,a){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],det=a0*a3-a2*a1;if(!det){return null}det=1/det;out[0]=a3*det;out[1]=-a1*det;out[2]=-a2*det;out[3]=a0*det;return out};mat2.adjoint=function(out,a){var a0=a[0];out[0]=a[3];out[1]=-a[1];out[2]=-a[2];out[3]=a0;return out};mat2.determinant=function(a){return a[0]*a[3]-a[2]*a[1]};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+a1*b2;out[1]=a0*b1+a1*b3;out[2]=a2*b0+a3*b2;out[3]=a2*b1+a3*b3;return out};mat2.mul=mat2.multiply;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+a1*s;out[1]=a0*-s+a1*c;out[2]=a2*c+a3*s;out[3]=a2*-s+a3*c;return 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*v1;out[2]=a2*v0;out[3]=a3*v1;return out};mat2.str=function(a){return"mat2("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.mat2=mat2}var mat2d={};var mat2dIdentity=new Float32Array([1,0,0,1,0,0]);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};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};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};mat2d.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;out[4]=0;out[5]=0;return 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/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};mat2d.determinant=function(a){return a[0]*a[3]-a[1]*a[2]};mat2d.multiply=function(out,a,b){var aa=a[0],ab=a[1],ac=a[2],ad=a[3],atx=a[4],aty=a[5],ba=b[0],bb=b[1],bc=b[2],bd=b[3],btx=b[4],bty=b[5];out[0]=aa*ba+ab*bc;out[1]=aa*bb+ab*bd;out[2]=ac*ba+ad*bc;out[3]=ac*bb+ad*bd;out[4]=ba*atx+bc*aty+btx;out[5]=bb*atx+bd*aty+bty;return out};mat2d.mul=mat2d.multiply;mat2d.rotate=function(out,a,rad){var aa=a[0],ab=a[1],ac=a[2],ad=a[3],atx=a[4],aty=a[5],st=Math.sin(rad),ct=Math.cos(rad);out[0]=aa*ct+ab*st;out[1]=-aa*st+ab*ct;out[2]=ac*ct+ad*st;out[3]=-ac*st+ct*ad;out[4]=ct*atx+st*aty;out[5]=ct*aty-st*atx;return out};mat2d.scale=function(out,a,v){var vx=v[0],vy=v[1];out[0]=a[0]*vx;out[1]=a[1]*vy;out[2]=a[2]*vx;out[3]=a[3]*vy;out[4]=a[4]*vx;out[5]=a[5]*vy;return out};mat2d.translate=function(out,a,v){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4]+v[0];out[5]=a[5]+v[1];return out};mat2d.str=function(a){return"mat2d("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+")"};if(typeof exports!=="undefined"){exports.mat2d=mat2d}var mat3={};var mat3Identity=new Float32Array([1,0,0,0,1,0,0,0,1]);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};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};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};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};mat3.transpose=function(out,a){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};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,det=a00*b01+a01*b11+a02*b21;if(!det){return null}det=1/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};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};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)};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};mat3.mul=mat3.multiply;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};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};mat3.scale=function(out,a,v){var x=v[0],y=v[2];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};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};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,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]=xy-wz;out[4]=1-(xx+zz);out[5]=yz+wx;out[6]=xz+wy;out[7]=yz-wx;out[8]=1-(xx+yy);return out};mat3.str=function(a){return"mat3("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+")"};if(typeof exports!=="undefined"){exports.mat3=mat3}var mat4={};var mat4Identity=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);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};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};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};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};mat4.transpose=function(out,a){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};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,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/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};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};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;return b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06};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];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};mat4.mul=mat4.multiply;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};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};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];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;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){out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}return 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){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]}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};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){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]}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};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){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]}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};mat4.fromRotationTranslation=function(out,q,v){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,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]=0;out[13]=0;out[14]=0;out[15]=1;return 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};mat4.perspective=function(out,fovy,aspect,near,far){var f=1/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};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};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};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]+")"};if(typeof exports!=="undefined"){exports.mat4=mat4}var quat={};var quatIdentity=new Float32Array([0,0,0,1]);quat.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.clone=vec4.clone;quat.fromValues=vec4.fromValues;quat.copy=vec4.copy;quat.set=vec4.set;quat.identity=function(out){out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.setAxisAngle=function(out,axis,rad){rad=rad*.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};quat.add=vec4.add;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};quat.mul=quat.multiply;quat.scale=vec4.scale;quat.rotateX=function(out,a,rad){rad*=.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};quat.rotateY=function(out,a,rad){rad*=.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};quat.rotateZ=function(out,a,rad){rad*=.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};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-x*x-y*y-z*z));return out};quat.dot=vec4.dot;quat.lerp=vec4.lerp;quat.slerp=function(out,a,b,t){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 cosHalfTheta=ax*bx+ay*by+az*bz+aw*bw,halfTheta,sinHalfTheta,ratioA,ratioB;if(Math.abs(cosHalfTheta)>=1){if(out!==a){out[0]=ax;out[1]=ay;out[2]=az;out[3]=aw}return out}halfTheta=Math.acos(cosHalfTheta);sinHalfTheta=Math.sqrt(1-cosHalfTheta*cosHalfTheta);if(Math.abs(sinHalfTheta)<.001){out[0]=ax*.5+bx*.5;out[1]=ay*.5+by*.5;out[2]=az*.5+bz*.5;out[3]=aw*.5+bw*.5;return out}ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta;ratioB=Math.sin(t*halfTheta)/sinHalfTheta;out[0]=ax*ratioA+bx*ratioB;out[1]=ay*ratioA+by*ratioB;out[2]=az*ratioA+bz*ratioB;out[3]=aw*ratioA+bw*ratioB;return 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/dot:0;out[0]=-a0*invDot;out[1]=-a1*invDot;out[2]=-a2*invDot;out[3]=a3*invDot;return out};quat.conjugate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=a[3];return out};quat.length=vec4.length;quat.len=quat.length;quat.squaredLength=vec4.squaredLength;quat.sqrLen=quat.squaredLength;quat.normalize=vec4.normalize;quat.fromMat3=function(){var s_iNext=[1,2,0];return function(out,m){var fTrace=m[0]+m[4]+m[8];var fRoot;if(fTrace>0){fRoot=Math.sqrt(fTrace+1);out[3]=.5*fRoot;fRoot=.5/fRoot;out[0]=(m[7]-m[5])*fRoot;out[1]=(m[2]-m[6])*fRoot;out[2]=(m[3]-m[1])*fRoot}else{var i=0;if(m[4]>m[0])i=1;if(m[8]>m[i*3+i])i=2;var j=s_iNext[i];var k=s_iNext[j];fRoot=Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k]+1);out[i]=.5*fRoot;fRoot=.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}}();quat.str=function(a){return"quat("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.quat=quat}})(shim.exports)})()},{}],25:[function(require,module,exports){module.exports=require(17)},{}],26:[function(require,module,exports){"use strict";module.exports=createGLStateStack;var uniq=require("uniq");function createGLStateStack(gl,variables){if(!variables){variables=[gl.ACTIVE_TEXTURE,gl.ARRAY_BUFFER_BINDING,gl.BLEND,gl.BLEND_COLOR,gl.BLEND_SRC_ALPHA,gl.BLEND_SRC_RGB,gl.BLEND_DST_ALPHA,gl.BLEND_DST_RGB,gl.BLEND_EQUATION_ALPHA,gl.BLEND_EQUATION_RGB,gl.COLOR_WRITEMASK,gl.COLOR_CLEAR_VALUE,gl.CULL_FACE,gl.CULL_FACE_MODE,gl.CURRENT_PROGRAM,gl.DEPTH_CLEAR_VALUE,gl.DEPTH_FUNC,gl.DEPTH_RANGE,gl.DEPTH_WRITEMASK,gl.DITHER,gl.ELEMENT_ARRAY_BUFFER_BINDING,gl.FRAMEBUFFER_BINDING,gl.FRONT_FACE,gl.GENERATE_MIPMAP_HINT,gl.LINE_WIDTH,gl.PACK_ALIGNMENT,gl.POLYGON_OFFSET_FACTOR,gl.POLYGON_OFFSET_FILL,gl.POLYGON_OFFSET_UNITS,gl.RENDERBUFFER_BINDING,gl.SAMPLE_COVERAGE,gl.SAMPLE_COVERAGE_INVERT,gl.SAMPLE_COVERAGE_VALUE,gl.SCISSOR_BOX,gl.SCISSOR_TEST,gl.STENCIL_BACK_FAIL,gl.STENCIL_BACK_FUNC,gl.STENCIL_BACK_PASS_DEPTH_FAIL,gl.STENCIL_BACK_PASS_DEPTH_PASS,gl.STENCIL_BACK_REF,gl.STENCIL_BACK_VALUE_MASK,gl.STENCIL_BACK_WRITEMASK,gl.STENCIL_CLEAR_VALUE,gl.STENCIL_FAIL,gl.STENCIL_FUNC,gl.STENCIL_PASS_DEPTH_FAIL,gl.STENCIL_PASS_DEPTH_PASS,gl.STENCIL_REF,gl.STENCIL_TEST,gl.STENCIL_VALUE_MASK,gl.STENCIL_WRITEMASK,gl.TEXTURE,gl.UNPACK_ALIGNMENT,gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,gl.UNPACK_FLIP_Y_WEBGL,gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,gl.VIEWPORT]}var ctorBody=["'use strict'\nfunction StateStack(gl){this.gl=gl;"];var pushBody=["proto.push=function(){var gl=this.gl;"];var popBody=["proto.pop=function(){var gl=this.gl;"];var nvariables=variables.slice();nvariables.sort(function(a,b){return a-b});uniq(nvariables,undefined,true);var textureTypes=[gl.TEXTURE,gl.TEXTURE_2D,gl.TEXTURE_CUBE_MAP,gl.TEXTURE_BINDING_2D,gl.TEXTURE_BINDING_CUBE_MAP];if(textureTypes.some(function(v){return nvariables.indexOf(v)>=0})){var numTextures=gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);ctorBody.push("this.textures=[];");pushBody.push("var curTex=gl.getParameter(",gl.ACTIVE_TEXTURE,"),texState=new Array(",numTextures,");");for(var i=0;i<numTextures;++i){pushBody.push("gl.activeTexture(",gl.TEXTURE0+i,");texState[",i,"]=[gl.getParameter(",gl.TEXTURE_BINDING_2D,"),gl.getParameter(",gl.TEXTURE_BINDING_CUBE_MAP,")];")}pushBody.push("this.textures.push(texState);gl.activeTexture(curTex);");popBody.push("var texState=this.textures.pop();");var restoreActive=nvariables.indexOf(gl.ACTIVE_TEXTURE)<0;if(restoreActive){popBody.push("var curTex=gl.getParameter(",gl.ACTIVE_TEXTURE,");")}for(var i=0;i<numTextures;++i){popBody.push("gl.activeTexture(",gl.TEXTURE0+i,");","gl.bindTexture(",gl.TEXTURE_2D,",texState[",i,"][0]);","gl.bindTexture(",gl.TEXTURE_CUBE_MAP,",texState[",i,"][1]);")}if(restoreActive){popBody.push("gl.activeTexture(curTex);")}}var specialVars={blendEquationSeparate:[gl.BLEND_EQUATION_ALPHA,gl.BLEND_EQUATION_RGB],blendFuncSeparate:[gl.BLEND_SRC_RGB,gl.BLEND_DST_RGB,gl.BLEND_SRC_ALPHA,gl.BLEND_DST_ALPHA],sampleCoverage:[gl.SAMPLE_COVERAGE_INVERT,gl.SAMPLE_COVERAGE_VALUE],polygonOffset:[gl.POLYGON_OFFSET_FACTOR,gl.POLYGON_OFFSET_UNITS],stencilFuncSeparate_FRONT:[gl.STENCIL_FUNC,gl.STENCIL_REF,gl.STENCIL_VALUE_MASK],stencilFuncSeparate_BACK:[gl.STENCIL_BACK_FUNC,gl.STENCIL_BACK_REF,gl.STENCIL_BACK_VALUE_MASK],stencilOpSeparate_FRONT:[gl.STENCIL_FAIL,gl.STENCIL_PASS_DEPTH_FAIL,gl.STENCIL_PASS_DEPTH_PASS],stencilOpSeparate_BACK:[gl.STENCIL_BACK_FAIL,gl.STENCIL_BACK_PASS_DEPTH_FAIL,gl.STENCIL_BACK_PASS_DEPTH_PASS]};for(var id in specialVars){var params=specialVars[id];var variables=[];var snippets=[];for(var i=0;i<params.length;++i){var name="v"+params[i];var snip=[name,"=gl.getParameter(",params[i],");"].join("");variables.push(name);snippets.push(snip)}specialVars[id]={present:false,variables:variables,snippets:snippets,parameters:params}}main_loop:for(var i=0;i<nvariables.length;++i){var type=nvariables[i];if(textureTypes.indexOf(type)>=0){continue}var stateStack="this["+type+"]";ctorBody.push(stateStack,"=[];");switch(type){case gl.SAMPLE_COVERAGE:pushBody.push(stateStack,".push(gl.isEnabled(",gl.SAMPLE_COVERAGE,"));");break;default:pushBody.push(stateStack,".push(gl.getParameter(",type,"));");break}var sv=stateStack+".pop()";switch(type){case gl.ACTIVE_TEXTURE:popBody.push("gl.activeTexture(",sv,");");break;case gl.ARRAY_BUFFER_BINDING:popBody.push("gl.bindBuffer(",gl.ARRAY_BUFFER,",",sv,");");break;case gl.BLEND_COLOR:popBody.push("var c=",sv,";gl.blendColor(c[0], c[1], c[2], c[3]);");break;case gl.COLOR_CLEAR_VALUE:popBody.push("var c=",sv,";gl.clearColor(c[0], c[1], c[2], c[3]);");break;case gl.COLOR_WRITEMASK:popBody.push("var c=",sv,";gl.colorMask(c[0], c[1], c[2], c[3]);");break;case gl.CULL_FACE_MODE:popBody.push("gl.cullFace(",sv,");");break;case gl.CURRENT_PROGRAM:popBody.push("gl.useProgram(",sv,");");break;case gl.DEPTH_CLEAR_VALUE:popBody.push("gl.clearDepth(",sv,");");break;case gl.DEPTH_FUNC:popBody.push("gl.depthFunc(",sv,");");break;case gl.DEPTH_RANGE:popBody.push("var z=",sv,";gl.depthRange(z[0], z[1]);");break;case gl.DEPTH_WRITEMASK:popBody.push("gl.depthMask(",sv,");");break;case gl.ELEMENT_ARRAY_BUFFER_BINDING:popBody.push("gl.bindBuffer(",gl.ELEMENT_ARRAY_BUFFER,",",sv,");");break;case gl.FRAMEBUFFER_BINDING:popBody.push("gl.bindFramebuffer(",gl.FRAMEBUFFER,",",sv,");");break;case gl.FRONT_FACE:popBody.push("gl.frontFace(",sv,");");break;case gl.LINE_WIDTH:popBody.push("gl.lineWidth(",sv,");");break;case gl.RENDERBUFFER_BINDING:popBody.push("gl.bindRenderbuffer(",gl.RENDERBUFFER,",",sv,");");break;case gl.SCISSOR_BOX:popBody.push("var c=",sv,";gl.scissor(c[0],c[1],c[2],c[3]);");break;case gl.STENCIL_WRITEMASK:popBody.push("gl.stencilMaskSeparate(",gl.FRONT,",",sv,");");break;case gl.STENCIL_BACK_WRITEMASK:popBody.push("gl.stencilMaskSeparate(",gl.BACK,",",sv,");");break;case gl.STENCIL_CLEAR_VALUE:popBody.push("gl.clearStencil(",sv,");");break;case gl.VIEWPORT:popBody.push("var c=",sv,";gl.viewport(c[0],c[1],c[2],c[3]);");break;case gl.PACK_ALIGNMENT:case gl.UNPACK_ALIGNMENT:case gl.UNPACK_COLORSPACE_CONVERSION_WEBGL:case gl.UNPACK_FLIP_Y_WEBGL:case gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL:popBody.push("gl.pixelStorei(",type,",",sv,");");break;case gl.BLEND:case gl.CULL_FACE:case gl.DEPTH_TEST:case gl.DITHER:case gl.POLYGON_OFFSET_FILL:case gl.SAMPLE_COVERAGE:case gl.SCISSOR_TEST:case gl.STENCIL_TEST:popBody.push("if(",sv,"){gl.enable(",type,")}else{gl.disable(",type,")}");break;case gl.GENERATE_MIPMAP_HINT:popBody.push("gl.hint(",type,",",sv,");");break;default:for(var id in specialVars){var special=specialVars[id];var index=special.parameters.indexOf(type);if(index<0){continue}special.present=true;special.snippets[index]="var "+special.variables[index]+"="+sv+";";continue main_loop}throw new Error("gl-state: Error, unknown state parameter "+type)}}for(var id in specialVars){var data=specialVars[id];if(data.present){popBody.push.apply(popBody,data.snippets);var parts=id.split("_");if(parts.length===1){popBody.push("gl.",parts[0],"(",data.variables.join(","),");")}else{popBody.push("gl.",parts[0],"(gl.",parts[1],",",data.variables.join(","),");")}}}var code=[ctorBody.join(""),"};var proto=StateStack.prototype;",pushBody.join(""),"};",popBody.join(""),"};","return new StateStack(gl);"].join("");var proc=new Function("gl",code);return proc(gl)}},{uniq:25}],27:[function(require,module,exports){"use strict";function doBind(gl,elements,attributes){if(elements){elements.bind()}else{gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,null)}var nattribs=gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0;if(attributes){if(attributes.length>nattribs){throw new Error("gl-vao: Too many vertex attributes")}for(var i=0;i<attributes.length;++i){var attrib=attributes[i];if(attrib.buffer){var buffer=attrib.buffer;var size=attrib.size||4;var type=attrib.type||gl.FLOAT;var normalized=!!attrib.normalized;var stride=attrib.stride||0;var offset=attrib.offset||0;buffer.bind();gl.enableVertexAttribArray(i);gl.vertexAttribPointer(i,size,type,normalized,stride,offset)}else{if(typeof attrib==="number"){gl.vertexAttrib1f(i,attrib)}else if(attrib.length===1){gl.vertexAttrib1f(i,attrib[0])}else if(attrib.length===2){gl.vertexAttrib2f(i,attrib[0],attrib[1])}else if(attrib.length===3){gl.vertexAttrib3f(i,attrib[0],attrib[1],attrib[2])}else if(attrib.length===4){gl.vertexAttrib4f(i,attrib[0],attrib[1],attrib[2],attrib[3])}else{throw new Error("gl-vao: Invalid vertex attribute")}gl.disableVertexAttribArray(i)}}for(;i<nattribs;++i){gl.disableVertexAttribArray(i)}}else{gl.bindBuffer(gl.ARRAY_BUFFER,null);for(var i=0;i<nattribs;++i){gl.disableVertexAttribArray(i)}}}module.exports=doBind},{}],28:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VAOEmulated(gl){this.gl=gl;this._elements=null;this._attributes=null}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements){this._elements=elements;this._attributes=attributes};VAOEmulated.prototype.dispose=function(){};VAOEmulated.prototype.unbind=function(){};VAOEmulated.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._elements){gl.drawElements(mode,count,gl.UNSIGNED_SHORT,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAOEmulated(gl){return new VAOEmulated(gl)}module.exports=createVAOEmulated},{"./do-bind.js":27}],29:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VertexAttribute(location,dimension,a,b,c,d){this.location=location;this.dimension=dimension;this.a=a;this.b=b;this.c=c;this.d=d}VertexAttribute.prototype.bind=function(gl){switch(this.dimension){case 1:gl.vertexAttrib1f(this.location,this.a);break;case 2:gl.vertexAttrib2f(this.location,this.a,this.b);break;case 3:gl.vertexAttrib3f(this.location,this.a,this.b,this.c);break;case 4:gl.vertexAttrib4f(this.location,this.a,this.b,this.c,this.d);break}};function VAONative(gl,ext,handle){this.gl=gl;this._ext=ext;this.handle=handle;this._attribs=[];this._useElements=false}VAONative.prototype.bind=function(){this._ext.bindVertexArrayOES(this.handle);for(var i=0;i<this._attribs.length;++i){this._attribs[i].bind(this.gl)}};VAONative.prototype.unbind=function(){this._ext.bindVertexArrayOES(null)};VAONative.prototype.dispose=function(){this._ext.deleteVertexArrayOES(this.handle)};VAONative.prototype.update=function(attributes,elements){this.bind();bindAttribs(this.gl,elements,attributes);this.unbind();this._attribs.length=0;if(attributes)for(var i=0;i<attributes.length;++i){var a=attributes[i];if(typeof a==="number"){this._attribs.push(new VertexAttribute(i,1,a))}else if(Array.isArray(a)){this._attribs.push(new VertexAttribute(i,a.length,a[0],a[1],a[2],a[3]))}}this._useElements=!!elements};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,gl.UNSIGNED_SHORT,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAONative(gl,ext){return new VAONative(gl,ext,ext.createVertexArrayOES())}module.exports=createVAONative},{"./do-bind.js":27}],30:[function(require,module,exports){module.exports=require(22)},{}],31:[function(require,module,exports){module.exports=require(23)},{weakmap:30}],32:[function(require,module,exports){"use strict";var webglew=require("webglew");var createVAONative=require("./lib/vao-native.js");var createVAOEmulated=require("./lib/vao-emulated.js");function createVAO(gl,attributes,elements){var ext=webglew(gl).OES_vertex_array_object;var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":28,"./lib/vao-native.js":29,webglew:31}],33:[function(require,module,exports){module.exports=programify;var shader=require("gl-shader-core");function programify(vertex,fragment,uniforms,attributes){return function(gl){return shader(gl,vertex,fragment,uniforms,attributes)}}},{"gl-shader-core":39}],34:[function(require,module,exports){module.exports=noop;function noop(){throw new Error("You should bundle your code "+"using `glslify` as a transform.")}},{}],35:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;function ShaderAttribute(gl,program,location,dimension,name,constFunc,relink){this._gl=gl;this._program=program;this._location=location;this._dimension=dimension;this._name=name;this._constFunc=constFunc;this._relink=relink}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var gl=this._gl;gl.vertexAttribPointer(this._location,this._dimension,type||gl.FLOAT,normalized?gl.TRUE:gl.FALSE,stride||0,offset||0);this._gl.enableVertexAttribArray(this._location)};Object.defineProperty(proto,"location",{get:function(){return this._location},set:function(v){if(v!==this._location){this._location=v;this._gl.bindAttribLocation(this._program,v,this._name);this._gl.linkProgram(this._program);this._relink()}}});function addVectorAttribute(gl,program,location,dimension,obj,name,doLink){var constFuncArgs=["gl","v"];var varNames=[];for(var i=0;i<dimension;++i){constFuncArgs.push("x"+i);varNames.push("x"+i)}constFuncArgs.push(["if(x0.length===undefined){return gl.vertexAttrib",dimension,"f(v,",varNames.join(","),")}else{return gl.vertexAttrib",dimension,"fv(v,x0)}"].join(""));var constFunc=Function.apply(undefined,constFuncArgs);var attr=new ShaderAttribute(gl,program,location,dimension,name,constFunc,doLink);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(attr._location);constFunc(gl,attr._location,x);return x},get:function(){return attr},enumerable:true})}function createAttributeWrapper(gl,program,attributes,doLink){var obj={};for(var i=0,n=attributes.length;i<n;++i){var a=attributes[i];var name=a.name;var type=a.type;var location=gl.getAttribLocation(program,name);switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,program,location,1,obj,name,doLink);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,program,location,d,obj,name,doLink)}else{throw new Error("Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],36:[function(require,module,exports){"use strict";var dup=require("dup");var coallesceUniforms=require("./reflect.js");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function createUniformWrapper(gl,program,uniforms,locations){function makeGetter(index){var proc=new Function("gl","prog","locations","return function(){return gl.getUniform(prog,locations["+index+"])}");return proc(gl,program,locations)}function makePropSetter(path,index,type){switch(type){case"bool":case"int":case"sampler2D":case"samplerCube":return"gl.uniform1i(locations["+index+"],obj"+path+")";case"float":return"gl.uniform1f(locations["+index+"],obj"+path+")";default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid data type")}switch(type.charAt(0)){case"b":case"i":return"gl.uniform"+d+"iv(locations["+index+"],obj"+path+")";case"v":return"gl.uniform"+d+"fv(locations["+index+"],obj"+path+")";default:throw new Error("Unrecognized data type for vector "+name+": "+type)}}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("Unknown uniform data type for "+name+": "+type)}break}}function enumerateIndices(prefix,type){if(typeof type!=="object"){return[[prefix,type]]}var indices=[];for(var id in type){var prop=type[id];var tprefix=prefix;if(parseInt(id)+""===id){tprefix+="["+id+"]"}else{tprefix+="."+id}if(typeof prop==="object"){indices.push.apply(indices,enumerateIndices(tprefix,prop))}else{indices.push([tprefix,prop])}}return indices}function makeSetter(type){var code=["return function updateProperty(obj){"];var indices=enumerateIndices("",type);for(var i=0;i<indices.length;++i){var item=indices[i];var path=item[0];var idx=item[1];if(locations[idx]){code.push(makePropSetter(path,idx,uniforms[idx].type))}}code.push("return obj}");var proc=new Function("gl","prog","locations",code.join("\n"));return proc(gl,program,locations)}function defaultValue(type){switch(type){case"bool":return false;case"int":case"sampler2D":case"samplerCube":return 0;case"float":return 0;default:var vidx=type.indexOf("vec");if(0<=vidx&&vidx<=1&&type.length===4+vidx){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid data type")}if(type.charAt(0)==="b"){return dup(d,false)}return dup(d)}else if(type.indexOf("mat")===0&&type.length===4){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("Invalid uniform dimension type for matrix "+name+": "+type)}return dup([d,d])}else{throw new Error("Unknown uniform data type for "+name+": "+type)}break}}function storeProperty(obj,prop,type){if(typeof type==="object"){var child=processObject(type);Object.defineProperty(obj,prop,{get:identity(child),set:makeSetter(type),enumerable:true,configurable:false})}else{if(locations[type]){Object.defineProperty(obj,prop,{get:makeGetter(type),set:makeSetter(type),enumerable:true,configurable:false})}else{obj[prop]=defaultValue(uniforms[type].type)}}}function processObject(obj){var result;if(Array.isArray(obj)){result=new Array(obj.length);for(var i=0;i<obj.length;++i){storeProperty(result,i,obj[i])}}else{result={};for(var id in obj){storeProperty(result,id,obj[id])}}return result}var coallesced=coallesceUniforms(uniforms,true);return{get:identity(processObject(coallesced)),set:makeSetter(coallesced),enumerable:true,configurable:true}}},{"./reflect.js":37,dup:38}],37:[function(require,module,exports){"use strict";module.exports=makeReflectTypes;function makeReflectTypes(uniforms,useIndex){var obj={};for(var i=0;i<uniforms.length;++i){var n=uniforms[i].name;var parts=n.split(".");var o=obj;for(var j=0;j<parts.length;++j){var x=parts[j].split("[");if(x.length>1){if(!(x[0]in o)){o[x[0]]=[]}o=o[x[0]];for(var k=1;k<x.length;++k){var y=parseInt(x[k]);if(k<x.length-1||j<parts.length-1){if(!(y in o)){if(k<x.length-1){o[y]=[]}else{o[y]={}}}o=o[y]}else{if(useIndex){o[y]=i}else{o[y]=uniforms[i].type}}}}else if(j<parts.length-1){if(!(x[0]in o)){o[x[0]]={}}o=o[x[0]]}else{if(useIndex){o[x[0]]=i}else{o[x[0]]=uniforms[i].type}}}}return obj}},{}],38:[function(require,module,exports){module.exports=require(20)},{}],39:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms.js");var createAttributeWrapper=require("./lib/create-attributes.js");var makeReflect=require("./lib/reflect.js");function Shader(gl,prog,vertShader,fragShader){this.gl=gl;this.handle=prog;this.attributes=null;this.uniforms=null;this.types=null;this.vertexShader=vertShader;this.fragmentShader=fragShader}Shader.prototype.bind=function(){this.gl.useProgram(this.handle)};Shader.prototype.dispose=function(){var gl=this.gl;gl.deleteShader(this.vertexShader);gl.deleteShader(this.fragmentShader);gl.deleteProgram(this.handle)};Shader.prototype.updateExports=function(uniforms,attributes){var locations=new Array(uniforms.length);var program=this.handle;var gl=this.gl;var doLink=relinkUniforms.bind(void 0,gl,program,locations,uniforms);doLink();this.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};this.attributes=createAttributeWrapper(gl,program,attributes,doLink);Object.defineProperty(this,"uniforms",createUniformWrapper(gl,program,uniforms,locations))};function relinkUniforms(gl,program,locations,uniforms){for(var i=0;i<uniforms.length;++i){locations[i]=gl.getUniformLocation(program,uniforms[i].name)}}function createShader(gl,vertSource,fragSource,uniforms,attributes){var vertShader=gl.createShader(gl.VERTEX_SHADER);gl.shaderSource(vertShader,vertSource);gl.compileShader(vertShader);if(!gl.getShaderParameter(vertShader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(vertShader);console.error("Error compling vertex shader:",errLog);throw new Error("Error compiling vertex shader:"+errLog)}var fragShader=gl.createShader(gl.FRAGMENT_SHADER);gl.shaderSource(fragShader,fragSource);gl.compileShader(fragShader);if(!gl.getShaderParameter(fragShader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(fragShader);console.error("Error compiling fragment shader:",errLog);throw new Error("Error compiling fragment shader:"+errLog)}var program=gl.createProgram();gl.attachShader(program,fragShader);gl.attachShader(program,vertShader);gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("Error linking shader program:",errLog);throw new Error("Error linking shader program:"+errLog)}var shader=new Shader(gl,program,vertShader,fragShader);shader.updateExports(uniforms,attributes);return shader}module.exports=createShader},{"./lib/create-attributes.js":35,"./lib/create-uniforms.js":36,"./lib/reflect.js":37}],40:[function(require,module,exports){"use strict";module.exports=createText;var vectorizeText=require("./lib/vtext");var Canvas=require("canvas-browserify");var canvas=new Canvas(8192,256);var context=canvas.getContext("2d");function createText(str,options){if(typeof options!=="object"||options===null){options={}}return vectorizeText(str,canvas,context,options)}},{"./lib/vtext":41,"canvas-browserify":42}],41:[function(require,module,exports){"use strict";module.exports=vectorizeText;var surfaceNets=require("surface-nets");var ndarray=require("ndarray");var simplify=require("simplify-planar-graph");var toPolygons=require("planar-graph-to-polyline");var triangulate=require("triangulate-polyline");function transformPositions(positions,options,size){var align=options.textAlign||"start";var baseline=options.textBaseline||"alphabetic";var lo=[1<<30,1<<30];var hi=[0,0];var n=positions.length;for(var i=0;i<n;++i){var p=positions[i];for(var j=0;j<2;++j){lo[j]=Math.min(lo[j],p[j])|0;hi[j]=Math.max(hi[j],p[j])|0}}var xShift=0;switch(align){case"center":xShift=-.5*(lo[0]+hi[0]);break;case"right":case"end":xShift=-hi[0];break;case"left":case"start":xShift=-lo[0];break;default:throw new Error("vectorize-text: Unrecognized textAlign: '"+align+"'")}var yShift=0;switch(baseline){case"hanging":case"top":yShift=-lo[1];break;case"middle":yShift=-.5*(lo[1]+hi[1]);break;case"alphabetic":case"ideographic":yShift=-3*size;break;case"bottom":yShift=-hi[1];break;default:throw new Error("vectorize-text: Unrecoginized textBaseline: '"+baseline+"'")}var scale=1/size;if("lineHeight"in options){scale*=+options.lineHeight}else if("width"in options){scale=(hi[0]-lo[0])/options.width}else if("height"in options){scale=(hi[1]-lo[1])/options.height}return positions.map(function(p){return[scale*(p[0]+xShift),scale*(p[1]+yShift)]})}function vectorizeText(str,canvas,context,options){var size=options.size||64;var family=options.font||"normal";context.font=size+"px "+family;context.textAlign="start";context.textBaseline="alphabetic";context.direction="ltr";var width=Math.ceil(context.measureText(str).width+10)|0;if(width>8192){throw new Error("vectorize-text: String too long (sorry, this will get fixed later)")}var height=4*size;if(canvas.height<height){canvas.height=height}context.fillStyle="#000";context.fillRect(0,0,width,height);context.fillStyle="#fff";context.fillText(str,5,3*size|0);var pixelData=context.getImageData(0,0,width,height);var pixels=ndarray(pixelData.data,[height,width,4]);var contour=surfaceNets(pixels.pick(-1,-1,0).transpose(1,0),128);contour=simplify(contour.cells,contour.positions,.25);var npositions=transformPositions(contour.positions,options,size);var flip="ccw"===options.orientation;if(options.polygons||options.polygon||options.polyline){var polygons=toPolygons(contour.edges,contour.positions);return polygons.map(function(polygon){if(flip){polygon.reverse()}return polygon.map(function(loop){return loop.map(function(v){return npositions[v]})})})}else if(options.triangles||options.triangulate||options.triangle){var polygons=toPolygons(contour.edges,contour.positions);var triangles=[];for(var i=0;i<polygons.length;++i){triangles.push.apply(triangles,triangulate(polygons[i],contour.positions))}if(flip){for(var i=0;i<triangles.length;++i){var c=triangles[i];var tmp=c[0];c[0]=c[2];c[2]=tmp}}return{cells:triangles,positions:npositions}}else{return{edges:contour.edges,positions:npositions}}}},{ndarray:43,"planar-graph-to-polyline":65,"simplify-planar-graph":75,"surface-nets":94,"triangulate-polyline":105}],42:[function(require,module,exports){var Canvas=module.exports=function Canvas(w,h){var canvas=document.createElement("canvas");canvas.width=w||300;canvas.height=h||150;return canvas};Canvas.Image=function(){var img=document.createElement("img");return img}},{}],43:[function(require,module,exports){module.exports=require(18)},{buffer:1,"iota-array":44}],44:[function(require,module,exports){module.exports=require(19)},{}],45:[function(require,module,exports){module.exports=require(20)},{}],46:[function(require,module,exports){"use strict";module.exports=edgeToAdjacency;var uniq=require("uniq");function edgeToAdjacency(edges,numVertices){var numEdges=edges.length;if(typeof numVertices!=="number"){numVertices=0;for(var i=0;i<numEdges;++i){var e=edges[i];numVertices=Math.max(numVertices,e[0],e[1])}numVertices=(numVertices|0)+1}numVertices=numVertices|0;var adj=new Array(numVertices);for(var i=0;i<numVertices;++i){adj[i]=[]}for(var i=0;i<numEdges;++i){var e=edges[i];adj[e[0]].push(e[1]);adj[e[1]].push(e[0])
}for(var j=0;j<numVertices;++j){uniq(adj[j],function(a,b){return a-b})}return adj}},{uniq:64}],47:[function(require,module,exports){"use strict";module.exports=planarDual;var compareAngle=require("compare-angle");function planarDual(cells,positions){var numVertices=positions.length|0;var numEdges=cells.length;var adj=[new Array(numVertices),new Array(numVertices)];for(var i=0;i<numVertices;++i){adj[0][i]=[];adj[1][i]=[]}for(var i=0;i<numEdges;++i){var c=cells[i];adj[0][c[0]].push(c);adj[1][c[1]].push(c)}var cycles=[];for(var i=0;i<numVertices;++i){if(adj[0][i].length+adj[1][i].length===0){cycles.push([i])}}function cut(c,i){var a=adj[i][c[i]];a.splice(a.indexOf(c),1)}function next(a,b,noCut){var nextCell,nextVertex,nextDir;for(var i=0;i<2;++i){if(adj[i][b].length>0){nextCell=adj[i][b][0];nextDir=i;break}}nextVertex=nextCell[nextDir^1];for(var dir=0;dir<2;++dir){var nbhd=adj[dir][b];for(var k=0;k<nbhd.length;++k){var e=nbhd[k];var p=e[dir^1];var cmp=compareAngle(positions[a],positions[b],positions[nextVertex],positions[p]);if(cmp>0){nextCell=e;nextVertex=p;nextDir=dir}}}if(noCut){return nextVertex}if(nextCell){cut(nextCell,nextDir)}return nextVertex}function extractCycle(v,dir){var e0=adj[dir][v][0];var cycle=[v];cut(e0,dir);var u=e0[dir^1];var d0=dir;while(true){while(u!==v){cycle.push(u);u=next(cycle[cycle.length-2],u,false)}if(adj[0][v].length+adj[1][v].length===0){break}var a=cycle[cycle.length-1];var b=v;var c=cycle[1];var d=next(a,b,true);if(compareAngle(positions[a],positions[b],positions[c],positions[d])<0){break}cycle.push(v);u=next(a,b)}return cycle}function shouldGlue(pcycle,ncycle){return ncycle[1]===ncycle[ncycle.length-1]}for(var i=0;i<numVertices;++i){for(var j=0;j<2;++j){var pcycle=[];while(adj[j][i].length>0){var ni=adj[0][i].length;var ncycle=extractCycle(i,j);if(shouldGlue(pcycle,ncycle)){pcycle.push.apply(pcycle,ncycle)}else{if(pcycle.length>0){cycles.push(pcycle)}pcycle=ncycle}}if(pcycle.length>0){cycles.push(pcycle)}}}return cycles}},{"compare-angle":48}],48:[function(require,module,exports){"use strict";module.exports=compareAngle;var orient=require("robust-orientation");var sgn=require("signum");var twoSum=require("two-sum");var robustProduct=require("robust-product");var robustSum=require("robust-sum");function testInterior(a,b,c){var x0=twoSum(a[0],-b[0]);var y0=twoSum(a[1],-b[1]);var x1=twoSum(c[0],-b[0]);var y1=twoSum(c[1],-b[1]);var d=robustSum(robustProduct(x0,x1),robustProduct(y0,y1));return d[d.length-1]>=0}function compareAngle(a,b,c,d){var bcd=orient(b,c,d);if(bcd===0){var sabc=sgn(orient(a,b,c));var sabd=sgn(orient(a,b,d));if(sabc===sabd){if(sabc===0){var ic=testInterior(a,b,c);var id=testInterior(a,b,d);if(ic===id){return 0}else if(ic){return 1}else{return-1}}return 0}else if(sabd===0){if(sabc>0){return-1}else if(testInterior(a,b,d)){return-1}else{return 1}}else if(sabc===0){if(sabd>0){return 1}else if(testInterior(a,b,c)){return 1}else{return-1}}return sgn(sabd-sabc)}var abc=orient(a,b,c);if(abc>0){if(bcd>0&&orient(a,b,d)>0){return 1}return-1}else if(abc<0){if(bcd>0||orient(a,b,d)>0){return 1}return-1}else{var abd=orient(a,b,d);if(abd>0){return 1}else{if(testInterior(a,b,c)){return 1}else{return-1}}}}},{"robust-orientation":61,"robust-product":50,"robust-sum":62,signum:51,"two-sum":52}],49:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var twoSum=require("two-sum");module.exports=scaleLinearExpansion;function scaleLinearExpansion(e,scale){var n=e.length;if(n===1){var ts=twoProduct(e[0],scale);if(ts[0]){return ts}return[ts[1]]}var g=new Array(2*n);var q=[.1,.1];var t=[.1,.1];var count=0;twoProduct(e[0],scale,q);if(q[0]){g[count++]=q[0]}for(var i=1;i<n;++i){twoProduct(e[i],scale,t);var pq=q[1];twoSum(pq,t[0],q);if(q[0]){g[count++]=q[0]}var a=t[1];var b=q[1];var x=a+b;var bv=x-a;var y=b-bv;q[1]=x;if(y){g[count++]=y}}if(q[1]){g[count++]=q[1]}if(count===0){g[count++]=0}g.length=count;return g}},{"two-product":63,"two-sum":52}],50:[function(require,module,exports){"use strict";var robustSum=require("robust-sum");var robustScale=require("robust-scale");module.exports=robustProduct;function robustProduct(a,b){if(a.length===1){return robustScale(b,a[0])}if(b.length===1){return robustScale(a,b[0])}if(a.length===0||b.length===0){return[0]}var r=[0];if(a.length<b.length){for(var i=0;i<a.length;++i){r=robustSum(r,robustScale(b,a[i]))}}else{for(var i=0;i<b.length;++i){r=robustSum(r,robustScale(a,b[i]))}}return r}},{"robust-scale":49,"robust-sum":62}],51:[function(require,module,exports){"use strict";module.exports=function signum(x){if(x<0){return-1}if(x>0){return 1}return 0}},{}],52:[function(require,module,exports){"use strict";module.exports=fastTwoSum;function fastTwoSum(a,b,result){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;if(result){result[0]=ar+br;result[1]=x;return result}return[ar+br,x]}},{}],53:[function(require,module,exports){"use strict";module.exports=orderSegments;var orient=require("robust-orientation");function horizontalOrder(a,b){var bl,br;if(b[0][0]<b[1][0]){bl=b[0];br=b[1]}else if(b[0][0]>b[1][0]){bl=b[1];br=b[0]}else{var alo=Math.min(a[0][1],a[1][1]);var ahi=Math.max(a[0][1],a[1][1]);var blo=Math.min(b[0][1],b[1][1]);var bhi=Math.max(b[0][1],b[1][1]);if(ahi<blo){return ahi-blo}if(alo>bhi){return alo-bhi}return ahi-bhi}var al,ar;if(a[0][1]<a[1][1]){al=a[0];ar=a[1]}else{al=a[1];ar=a[0]}var d=orient(br,bl,al);if(d){return d}d=orient(br,bl,ar);if(d){return d}return ar-br}function orderSegments(b,a){var al,ar;if(a[0][0]<a[1][0]){al=a[0];ar=a[1]}else if(a[0][0]>a[1][0]){al=a[1];ar=a[0]}else{return horizontalOrder(a,b)}var bl,br;if(b[0][0]<b[1][0]){bl=b[0];br=b[1]}else if(b[0][0]>b[1][0]){bl=b[1];br=b[0]}else{return-horizontalOrder(b,a)}var d1=orient(al,ar,br);var d2=orient(al,ar,bl);if(d1<0){if(d2<=0){return d1}}else if(d1>0){if(d2>=0){return d1}}else if(d2){return d2}d1=orient(br,bl,ar);d2=orient(br,bl,al);if(d1<0){if(d2<=0){return d1}}else if(d1>0){if(d2>=0){return d1}}else if(d2){return d2}return ar[0]-br[0]}},{"robust-orientation":61}],54:[function(require,module,exports){"use strict";function compileSearch(funcName,predicate,reversed,extraArgs,useNdarray,earlyOut){var code=["function ",funcName,"(a,l,h,",extraArgs.join(","),"){",earlyOut?"":"var i=",reversed?"l-1":"h+1",";while(l<=h){var m=(l+h)>>>1,x=a",useNdarray?".get(m)":"[m]"];if(earlyOut){if(predicate.indexOf("c")<0){code.push(";if(x===y){return m}else if(x<=y){")}else{code.push(";var p=c(x,y);if(p===0){return m}else if(p<=0){")}}else{code.push(";if(",predicate,"){i=m;")}if(reversed){code.push("l=m+1}else{h=m-1}")}else{code.push("h=m-1}else{l=m+1}")}code.push("}");if(earlyOut){code.push("return -1};")}else{code.push("return i};")}return code.join("")}function compileBoundsSearch(predicate,reversed,suffix,earlyOut){var result=new Function([compileSearch("A","x"+predicate+"y",reversed,["y"],false,earlyOut),compileSearch("B","x"+predicate+"y",reversed,["y"],true,earlyOut),compileSearch("P","c(x,y)"+predicate+"0",reversed,["y","c"],false,earlyOut),compileSearch("Q","c(x,y)"+predicate+"0",reversed,["y","c"],true,earlyOut),"function dispatchBsearch",suffix,"(a,y,c,l,h){if(a.shape){if(typeof(c)==='function'){return Q(a,(l===undefined)?0:l|0,(h===undefined)?a.shape[0]-1:h|0,y,c)}else{return B(a,(c===undefined)?0:c|0,(l===undefined)?a.shape[0]-1:l|0,y)}}else{if(typeof(c)==='function'){return P(a,(l===undefined)?0:l|0,(h===undefined)?a.length-1:h|0,y,c)}else{return A(a,(c===undefined)?0:c|0,(l===undefined)?a.length-1:l|0,y)}}}return dispatchBsearch",suffix].join(""));return result()}module.exports={ge:compileBoundsSearch(">=",false,"GE"),gt:compileBoundsSearch(">",false,"GT"),lt:compileBoundsSearch("<",true,"LT"),le:compileBoundsSearch("<=",true,"LE"),eq:compileBoundsSearch("-",true,"EQ",true)}},{}],55:[function(require,module,exports){"use strict";module.exports=createRBTree;var RED=0;var BLACK=1;function RBNode(color,key,value,left,right,count){this._color=color;this.key=key;this.value=value;this.left=left;this.right=right;this._count=count}function cloneNode(node){return new RBNode(node._color,node.key,node.value,node.left,node.right,node._count)}function repaint(color,node){return new RBNode(color,node.key,node.value,node.left,node.right,node._count)}function recount(node){node._count=1+(node.left?node.left._count:0)+(node.right?node.right._count:0)}function RedBlackTree(compare,root){this._compare=compare;this.root=root}var proto=RedBlackTree.prototype;Object.defineProperty(proto,"keys",{get:function(){var result=[];this.forEach(function(k,v){result.push(k)});return result}});Object.defineProperty(proto,"values",{get:function(){var result=[];this.forEach(function(k,v){result.push(v)});return result}});Object.defineProperty(proto,"length",{get:function(){if(this.root){return this.root._count}return 0}});proto.insert=function(key,value){var cmp=this._compare;var n=this.root;var n_stack=[];var d_stack=[];while(n){var d=cmp(key,n.key);n_stack.push(n);d_stack.push(d);if(d<=0){n=n.left}else{n=n.right}}n_stack.push(new RBNode(RED,key,value,null,null,1));for(var s=n_stack.length-2;s>=0;--s){var n=n_stack[s];if(d_stack[s]<=0){n_stack[s]=new RBNode(n._color,n.key,n.value,n_stack[s+1],n.right,n._count+1)}else{n_stack[s]=new RBNode(n._color,n.key,n.value,n.left,n_stack[s+1],n._count+1)}}for(var s=n_stack.length-1;s>1;--s){var p=n_stack[s-1];var n=n_stack[s];if(p._color===BLACK||n._color===BLACK){break}var pp=n_stack[s-2];if(pp.left===p){if(p.left===n){var y=pp.right;if(y&&y._color===RED){p._color=BLACK;pp.right=repaint(BLACK,y);pp._color=RED;s-=1}else{pp._color=RED;pp.left=p.right;p._color=BLACK;p.right=pp;n_stack[s-2]=p;n_stack[s-1]=n;recount(pp);recount(p);if(s>=3){var ppp=n_stack[s-3];if(ppp.left===pp){ppp.left=p}else{ppp.right=p}}break}}else{var y=pp.right;if(y&&y._color===RED){p._color=BLACK;pp.right=repaint(BLACK,y);pp._color=RED;s-=1}else{p.right=n.left;pp._color=RED;pp.left=n.right;n._color=BLACK;n.left=p;n.right=pp;n_stack[s-2]=n;n_stack[s-1]=p;recount(pp);recount(p);recount(n);if(s>=3){var ppp=n_stack[s-3];if(ppp.left===pp){ppp.left=n}else{ppp.right=n}}break}}}else{if(p.right===n){var y=pp.left;if(y&&y._color===RED){p._color=BLACK;pp.left=repaint(BLACK,y);pp._color=RED;s-=1}else{pp._color=RED;pp.right=p.left;p._color=BLACK;p.left=pp;n_stack[s-2]=p;n_stack[s-1]=n;recount(pp);recount(p);if(s>=3){var ppp=n_stack[s-3];if(ppp.right===pp){ppp.right=p}else{ppp.left=p}}break}}else{var y=pp.left;if(y&&y._color===RED){p._color=BLACK;pp.left=repaint(BLACK,y);pp._color=RED;s-=1}else{p.left=n.right;pp._color=RED;pp.right=n.left;n._color=BLACK;n.right=p;n.left=pp;n_stack[s-2]=n;n_stack[s-1]=p;recount(pp);recount(p);recount(n);if(s>=3){var ppp=n_stack[s-3];if(ppp.right===pp){ppp.right=n}else{ppp.left=n}}break}}}}n_stack[0]._color=BLACK;return new RedBlackTree(cmp,n_stack[0])};function doVisitFull(visit,node){if(node.left){var v=doVisitFull(visit,node.left);if(v){return v}}var v=visit(node.key,node.value);if(v){return v}if(node.right){return doVisitFull(visit,node.right)}}function doVisitHalf(lo,compare,visit,node){var l=compare(lo,node.key);if(l<=0){if(node.left){var v=doVisitHalf(lo,compare,visit,node.left);if(v){return v}}var v=visit(node.key,node.value);if(v){return v}}if(node.right){return doVisitHalf(lo,compare,visit,node.right)}}function doVisit(lo,hi,compare,visit,node){var l=compare(lo,node.key);var h=compare(hi,node.key);var v;if(l<=0){if(node.left){v=doVisit(lo,hi,compare,visit,node.left);if(v){return v}}if(h>0){v=visit(node.key,node.value);if(v){return v}}}if(h>0&&node.right){return doVisit(lo,hi,compare,visit,node.right)}}proto.forEach=function rbTreeForEach(visit,lo,hi){if(!this.root){return}switch(arguments.length){case 1:return doVisitFull(visit,this.root);break;case 2:return doVisitHalf(lo,this._compare,visit,this.root);break;case 3:if(this._compare(lo,hi)>=0){return}return doVisit(lo,hi,this._compare,visit,this.root);break}};Object.defineProperty(proto,"begin",{get:function(){var stack=[];var n=this.root;while(n){stack.push(n);n=n.left}return new RedBlackTreeIterator(this,stack)}});Object.defineProperty(proto,"end",{get:function(){var stack=[];var n=this.root;while(n){stack.push(n);n=n.right}return new RedBlackTreeIterator(this,stack)}});proto.at=function(idx){if(idx<0){return new RedBlackTreeIterator(this,[])}var n=this.root;var stack=[];while(true){stack.push(n);if(n.left){if(idx<n.left._count){n=n.left;continue}idx-=n.left._count}if(!idx){return new RedBlackTreeIterator(this,stack)}idx-=1;if(n.right){if(idx>=n.right._count){break}n=n.right}else{break}}return new RedBlackTreeIterator(this,[])};proto.ge=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d<=0){last_ptr=stack.length}if(d<=0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.gt=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d<0){last_ptr=stack.length}if(d<0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.lt=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d>0){last_ptr=stack.length}if(d<=0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.le=function(key){var cmp=this._compare;var n=this.root;var stack=[];var last_ptr=0;while(n){var d=cmp(key,n.key);stack.push(n);if(d>=0){last_ptr=stack.length}if(d<0){n=n.left}else{n=n.right}}stack.length=last_ptr;return new RedBlackTreeIterator(this,stack)};proto.find=function(key){var cmp=this._compare;var n=this.root;var stack=[];while(n){var d=cmp(key,n.key);stack.push(n);if(d===0){return new RedBlackTreeIterator(this,stack)}if(d<=0){n=n.left}else{n=n.right}}return new RedBlackTreeIterator(this,[])};proto.remove=function(key){var iter=this.find(key);if(iter){return iter.remove()}return this};proto.get=function(key){var cmp=this._compare;var n=this.root;var stack=[];while(n){var d=cmp(key,n.key);stack.push(n);if(d===0){return n.value}if(d<=0){n=n.left}else{n=n.right}}return};function RedBlackTreeIterator(tree,stack){this.tree=tree;this._stack=stack}var iproto=RedBlackTreeIterator.prototype;Object.defineProperty(iproto,"valid",{get:function(){return this._stack.length>0}});Object.defineProperty(iproto,"node",{get:function(){if(this._stack.length>0){return this._stack[this._stack.length-1]}return null},enumerable:true});iproto.clone=function(){return new RedBlackTreeIterator(this.tree,this._stack.slice())};function swapNode(n,v){n.key=v.key;n.value=v.value;n.left=v.left;n.right=v.right;n._color=v._color;n._count=v._count}function fixDoubleBlack(stack){var n,p,s,z;for(var i=stack.length-1;i>=0;--i){n=stack[i];if(i===0){n._color=BLACK;return}p=stack[i-1];if(p.left===n){s=p.right;if(s.right&&s.right._color===RED){s=p.right=cloneNode(s);z=s.right=cloneNode(s.right);p.right=s.left;s.left=p;s.right=z;s._color=p._color;n._color=BLACK;p._color=BLACK;z._color=BLACK;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.left===p){pp.left=s}else{pp.right=s}}stack[i-1]=s;return}else if(s.left&&s.left._color===RED){s=p.right=cloneNode(s);z=s.left=cloneNode(s.left);p.right=z.left;s.left=z.right;z.left=p;z.right=s;z._color=p._color;p._color=BLACK;s._color=BLACK;n._color=BLACK;recount(p);recount(s);recount(z);if(i>1){var pp=stack[i-2];if(pp.left===p){pp.left=z}else{pp.right=z}}stack[i-1]=z;return}if(s._color===BLACK){if(p._color===RED){p._color=BLACK;p.right=repaint(RED,s);return}else{p.right=repaint(RED,s);continue}}else{s=cloneNode(s);p.right=s.left;s.left=p;s._color=p._color;p._color=RED;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.left===p){pp.left=s}else{pp.right=s}}stack[i-1]=s;stack[i]=p;if(i+1<stack.length){stack[i+1]=n}else{stack.push(n)}i=i+2}}else{s=p.left;if(s.left&&s.left._color===RED){s=p.left=cloneNode(s);z=s.left=cloneNode(s.left);p.left=s.right;s.right=p;s.left=z;s._color=p._color;n._color=BLACK;p._color=BLACK;z._color=BLACK;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.right===p){pp.right=s}else{pp.left=s}}stack[i-1]=s;return}else if(s.right&&s.right._color===RED){s=p.left=cloneNode(s);z=s.right=cloneNode(s.right);p.left=z.right;s.right=z.left;z.right=p;z.left=s;z._color=p._color;p._color=BLACK;s._color=BLACK;n._color=BLACK;recount(p);recount(s);recount(z);if(i>1){var pp=stack[i-2];if(pp.right===p){pp.right=z}else{pp.left=z}}stack[i-1]=z;return}if(s._color===BLACK){if(p._color===RED){p._color=BLACK;p.left=repaint(RED,s);return}else{p.left=repaint(RED,s);continue}}else{s=cloneNode(s);p.left=s.right;s.right=p;s._color=p._color;p._color=RED;recount(p);recount(s);if(i>1){var pp=stack[i-2];if(pp.right===p){pp.right=s}else{pp.left=s}}stack[i-1]=s;stack[i]=p;if(i+1<stack.length){stack[i+1]=n}else{stack.push(n)}i=i+2}}}}iproto.remove=function(){var stack=this._stack;if(stack.length===0){return this.tree}var cstack=new Array(stack.length);var n=stack[stack.length-1];cstack[cstack.length-1]=new RBNode(n._color,n.key,n.value,n.left,n.right,n._count);for(var i=stack.length-2;i>=0;--i){var n=stack[i];if(n.left===stack[i+1]){cstack[i]=new RBNode(n._color,n.key,n.value,cstack[i+1],n.right,n._count)}else{cstack[i]=new RBNode(n._color,n.key,n.value,n.left,cstack[i+1],n._count)}}n=cstack[cstack.length-1];if(n.left&&n.right){var split=cstack.length;n=n.left;while(n.right){cstack.push(n);n=n.right}var v=cstack[split-1];cstack.push(new RBNode(n._color,v.key,v.value,n.left,n.right,n._count));cstack[split-1].key=n.key;cstack[split-1].value=n.value;for(var i=cstack.length-2;i>=split;--i){n=cstack[i];cstack[i]=new RBNode(n._color,n.key,n.value,n.left,cstack[i+1],n._count)}cstack[split-1].left=cstack[split]}n=cstack[cstack.length-1];if(n._color===RED){var p=cstack[cstack.length-2];if(p.left===n){p.left=null}else if(p.right===n){p.right=null}cstack.pop();for(var i=0;i<cstack.length;++i){cstack[i]._count--}return new RedBlackTree(this.tree._compare,cstack[0])}else{if(n.left||n.right){if(n.left){swapNode(n,n.left)}else if(n.right){swapNode(n,n.right)}n._color=BLACK;for(var i=0;i<cstack.length-1;++i){cstack[i]._count--}return new RedBlackTree(this.tree._compare,cstack[0])}else if(cstack.length===1){return new RedBlackTree(this.tree._compare,null)}else{for(var i=0;i<cstack.length;++i){cstack[i]._count--}var parent=cstack[cstack.length-2];fixDoubleBlack(cstack);if(parent.left===n){parent.left=null}else{parent.right=null}}}return new RedBlackTree(this.tree._compare,cstack[0])};Object.defineProperty(iproto,"key",{get:function(){if(this._stack.length>0){return this._stack[this._stack.length-1].key}return},enumerable:true});Object.defineProperty(iproto,"value",{get:function(){if(this._stack.length>0){return this._stack[this._stack.length-1].value}return},enumerable:true});Object.defineProperty(iproto,"index",{get:function(){var idx=0;var stack=this._stack;if(stack.length===0){var r=this.tree.root;if(r){return r._count}return 0}else if(stack[stack.length-1].left){idx=stack[stack.length-1].left._count}for(var s=stack.length-2;s>=0;--s){if(stack[s+1]===stack[s].right){++idx;if(stack[s].left){idx+=stack[s].left._count}}}return idx},enumerable:true});iproto.next=function(){var stack=this._stack;if(stack.length===0){return}var n=stack[stack.length-1];if(n.right){n=n.right;while(n){stack.push(n);n=n.left}}else{stack.pop();while(stack.length>0&&stack[stack.length-1].right===n){n=stack[stack.length-1];stack.pop()}}};Object.defineProperty(iproto,"hasNext",{get:function(){var stack=this._stack;if(stack.length===0){return false}if(stack[stack.length-1].right){return true}for(var s=stack.length-1;s>0;--s){if(stack[s-1].left===stack[s]){return true}}return false}});iproto.update=function(value){var stack=this._stack;if(stack.length===0){throw new Error("Can't update empty node!")}var cstack=new Array(stack.length);var n=stack[stack.length-1];cstack[cstack.length-1]=new RBNode(n._color,n.key,value,n.left,n.right,n._count);for(var i=stack.length-2;i>=0;--i){n=stack[i];if(n.left===stack[i+1]){cstack[i]=new RBNode(n._color,n.key,n.value,cstack[i+1],n.right,n._count)}else{cstack[i]=new RBNode(n._color,n.key,n.value,n.left,cstack[i+1],n._count)}}return new RedBlackTree(this.tree._compare,cstack[0])};iproto.prev=function(){var stack=this._stack;if(stack.length===0){return}var n=stack[stack.length-1];if(n.left){n=n.left;while(n){stack.push(n);n=n.right}}else{stack.pop();while(stack.length>0&&stack[stack.length-1].left===n){n=stack[stack.length-1];stack.pop()}}};Object.defineProperty(iproto,"hasPrev",{get:function(){var stack=this._stack;if(stack.length===0){return false}if(stack[stack.length-1].left){return true}for(var s=stack.length-1;s>0;--s){if(stack[s-1].right===stack[s]){return true}}return false}});function defaultCompare(a,b){if(a<b){return-1}if(a>b){return 1}return 0}function createRBTree(compare){return new RedBlackTree(compare||defaultCompare,null)}},{}],56:[function(require,module,exports){"use strict";module.exports=createSlabDecomposition;var bounds=require("binary-search-bounds");var createRBTree=require("functional-red-black-tree");var orient=require("robust-orientation");var orderSegments=require("./lib/order-segments");function SlabDecomposition(slabs,coordinates,horizontal){this.slabs=slabs;this.coordinates=coordinates;this.horizontal=horizontal}var proto=SlabDecomposition.prototype;function compareHorizontal(e,y){return e.y-y}function searchBucket(root,p){var lastNode=null;while(root){var seg=root.key;var l,r;if(seg[0][0]<seg[1][0]){l=seg[0];r=seg[1]}else{l=seg[1];r=seg[0]}var o=orient(l,r,p);if(o<0){root=root.left}else if(o>0){if(p[0]!==seg[1][0]){lastNode=root;root=root.right}else{var val=searchBucket(root.right,p);if(val){return val}root=root.left}}else{if(p[0]!==seg[1][0]){return root}else{var val=searchBucket(root.right,p);if(val){return val}root=root.left}}}return lastNode}proto.castUp=function(p){var bucket=bounds.le(this.coordinates,p[0]);if(bucket<0){return-1}var root=this.slabs[bucket];var hitNode=searchBucket(this.slabs[bucket],p);var lastHit=-1;if(hitNode){lastHit=hitNode.value}if(this.coordinates[bucket]===p[0]){var lastSegment=null;if(hitNode){lastSegment=hitNode.key}if(bucket>0){var otherHitNode=searchBucket(this.slabs[bucket-1],p);if(otherHitNode){if(lastSegment){if(orderSegments(otherHitNode.key,lastSegment)>0){lastSegment=otherHitNode.key;lastHit=otherHitNode.value}}else{lastHit=otherHitNode.value;lastSegment=otherHitNode.key}}}var horiz=this.horizontal[bucket];if(horiz.length>0){var hbucket=bounds.ge(horiz,p[1],compareHorizontal);if(hbucket<horiz.length){var e=horiz[hbucket];if(p[1]===e.y){if(e.closed){return e.index}else{while(hbucket<horiz.length-1&&horiz[hbucket+1].y===p[1]){hbucket=hbucket+1;e=horiz[hbucket];if(e.closed){return e.index}}if(e.y===p[1]&&!e.start){hbucket=hbucket+1;if(hbucket>=horiz.length){return lastHit}e=horiz[hbucket]}}}if(e.start){if(lastSegment){var o=orient(lastSegment[0],lastSegment[1],[p[0],e.y]);if(lastSegment[0][0]>lastSegment[1][0]){o=-o}if(o>0){lastHit=e.index}}else{lastHit=e.index}}else if(e.y!==p[1]){lastHit=e.index}}}}return lastHit};function IntervalSegment(y,index,start,closed){this.y=y;this.index=index;this.start=start;this.closed=closed}function Event(x,segment,create,index){this.x=x;this.segment=segment;this.create=create;this.index=index}function createSlabDecomposition(segments){var numSegments=segments.length;var numEvents=2*numSegments;var events=new Array(numEvents);for(var i=0;i<numSegments;++i){var s=segments[i];var f=s[0][0]<s[1][0];events[2*i]=new Event(s[0][0],s,f,i);events[2*i+1]=new Event(s[1][0],s,!f,i)}events.sort(function(a,b){var d=a.x-b.x;if(d){return d}d=a.create-b.create;if(d){return d}return Math.min(a.segment[0][1],a.segment[1][1])-Math.min(b.segment[0][1],b.segment[1][1])});var tree=createRBTree(orderSegments);var slabs=[];var lines=[];var horizontal=[];var lastX=-Infinity;for(var i=0;i<numEvents;){var x=events[i].x;var horiz=[];while(i<numEvents){var e=events[i];if(e.x!==x){break}i+=1;if(e.segment[0][0]===e.x&&e.segment[1][0]===e.x){if(e.create){if(e.segment[0][1]<e.segment[1][1]){horiz.push(new IntervalSegment(e.segment[0][1],e.index,true,true));horiz.push(new IntervalSegment(e.segment[1][1],e.index,false,false))}else{horiz.push(new IntervalSegment(e.segment[1][1],e.index,true,false));horiz.push(new IntervalSegment(e.segment[0][1],e.index,false,true))}}}else{if(e.create){tree=tree.insert(e.segment,e.index)}else{tree=tree.remove(e.segment)}}}slabs.push(tree.root);lines.push(x);horizontal.push(horiz)}return new SlabDecomposition(slabs,lines,horizontal)}},{"./lib/order-segments":53,"binary-search-bounds":54,"functional-red-black-tree":55,"robust-orientation":61}],57:[function(require,module,exports){"use strict";module.exports=preprocessPolygon;var orient=require("robust-orientation");var makeSlabs=require("slab-decomposition");function dummyFunction(p){return-1}function createClassifyPoint(segments,slabs,outside,orientation){function classifyPoint(p){var index=slabs.castUp(p);if(index<0){return outside}var seg=segments[index];if(!orientation){return orient(p,seg[0],seg[1])}else{return orient(p,seg[1],seg[0])}}return classifyPoint}function preprocessPolygon(loops,orientation){orientation=!!orientation;var numLoops=loops.length;var numSegments=0;for(var i=0;i<numLoops;++i){numSegments+=loops[i].length}if(numSegments===0){return dummyFunction}var segments=new Array(numSegments);var ptr=0;for(var i=0;i<numLoops;++i){var loop=loops[i];var numVertices=loop.length;for(var s=numVertices-1,t=0;t<numVertices;s=t++){segments[ptr++]=[loop[s],loop[t]]}}var slabs=makeSlabs(segments);var outside;var root=slabs.slabs[0];if(root){while(root.left){root=root.left}var h=root.key;if(h[0][0]<h[1][0]){outside=-1}else{outside=1}}else{var h=segments[slabs.horizontal[0][0].index];if(h[0][1]<h[1][1]){outside=1}else{outside=-1}}if(orientation){outside=-outside}return createClassifyPoint(segments,slabs,outside,orientation)}},{"robust-orientation":61,"slab-decomposition":56}],58:[function(require,module,exports){module.exports=require(52)},{}],59:[function(require,module,exports){module.exports=require(49)},{"two-product":63,"two-sum":58}],60:[function(require,module,exports){"use strict";module.exports=robustSubtract;function scalarScalar(a,b){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;var y=ar+br;if(y){return[y,x]}return[x]}function robustSubtract(e,f){var ne=e.length|0;var nf=f.length|0;if(ne===1&&nf===1){return scalarScalar(e[0],-f[0])}var n=ne+nf;var g=new Array(n);var count=0;var eptr=0;var fptr=0;var abs=Math.abs;var ei=e[eptr];var ea=abs(ei);var fi=-f[fptr];var fa=abs(fi);var a,b;if(ea<fa){b=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{b=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}if(eptr<ne&&ea<fa||fptr>=nf){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}var x=a+b;var bv=x-a;var y=b-bv;var q0=y;var q1=x;var _x,_bv,_av,_br,_ar;while(eptr<ne&&fptr<nf){if(ea<fa){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=-f[fptr];fa=abs(fi)}}b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x}while(eptr<ne){a=ei;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;eptr+=1;if(eptr<ne){ei=e[eptr]}}while(fptr<nf){a=fi;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;fptr+=1;if(fptr<nf){fi=-f[fptr]}}if(q0){g[count++]=q0}if(q1){g[count++]=q1}if(!count){g[count++]=0}g.length=count;return g}},{}],61:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var robustSum=require("robust-sum");var robustScale=require("robust-scale");var robustSubtract=require("robust-subtract");var NUM_EXPAND=5;var EPSILON=1.1102230246251565e-16;var ERRBOUND3=(3+16*EPSILON)*EPSILON;var ERRBOUND4=(7+56*EPSILON)*EPSILON;function cofactor(m,c){var result=new Array(m.length-1);for(var i=1;i<m.length;++i){var r=result[i-1]=new Array(m.length-1);for(var j=0,k=0;j<m.length;++j){if(j===c){continue}r[k++]=m[i][j]}}return result}function matrix(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=new Array(n);for(var j=0;j<n;++j){result[i][j]=["m",j,"[",n-i-1,"]"].join("")}}return result}function sign(n){if(n&1){return"-"}return""}function generateSum(expr){if(expr.length===1){return expr[0]}else if(expr.length===2){return["sum(",expr[0],",",expr[1],")"].join("")}else{var m=expr.length>>1;return["sum(",generateSum(expr.slice(0,m)),",",generateSum(expr.slice(m)),")"].join("")}}function determinant(m){if(m.length===2){return[["sum(prod(",m[0][0],",",m[1][1],"),prod(-",m[0][1],",",m[1][0],"))"].join("")]}else{var expr=[];for(var i=0;i<m.length;++i){expr.push(["scale(",generateSum(determinant(cofactor(m,i))),",",sign(i),m[0][i],")"].join(""))}return expr}}function orientation(n){var pos=[];var neg=[];var m=matrix(n);var args=[];for(var i=0;i<n;++i){if((i&1)===0){pos.push.apply(pos,determinant(cofactor(m,i)))}else{neg.push.apply(neg,determinant(cofactor(m,i)))}args.push("m"+i)}var posExpr=generateSum(pos);var negExpr=generateSum(neg);var funcName="orientation"+n+"Exact";var code=["function ",funcName,"(",args.join(),"){var p=",posExpr,",n=",negExpr,",d=sub(p,n);return d[d.length-1];};return ",funcName].join("");var proc=new Function("sum","prod","scale","sub",code);return proc(robustSum,twoProduct,robustScale,robustSubtract)}var orientation3Exact=orientation(3);var orientation4Exact=orientation(4);var CACHED=[function orientation0(){return 0},function orientation1(){return 0},function orientation2(a,b){return b[0]-a[0]},function orientation3(a,b,c){var l=(a[1]-c[1])*(b[0]-c[0]);var r=(a[0]-c[0])*(b[1]-c[1]);var det=l-r;var s;if(l>0){if(r<=0){return det}else{s=l+r}}else if(l<0){if(r>=0){return det}else{s=-(l+r)}}else{return det}var tol=ERRBOUND3*s;if(det>=tol||det<=-tol){return det}return orientation3Exact(a,b,c)},function orientation4(a,b,c,d){var adx=a[0]-d[0];var bdx=b[0]-d[0];var cdx=c[0]-d[0];var ady=a[1]-d[1];var bdy=b[1]-d[1];var cdy=c[1]-d[1];var adz=a[2]-d[2];var bdz=b[2]-d[2];var cdz=c[2]-d[2];var bdxcdy=bdx*cdy;var cdxbdy=cdx*bdy;var cdxady=cdx*ady;var adxcdy=adx*cdy;var adxbdy=adx*bdy;var bdxady=bdx*ady;var det=adz*(bdxcdy-cdxbdy)+bdz*(cdxady-adxcdy)+cdz*(adxbdy-bdxady);var permanent=(Math.abs(bdxcdy)+Math.abs(cdxbdy))*Math.abs(adz)+(Math.abs(cdxady)+Math.abs(adxcdy))*Math.abs(bdz)+(Math.abs(adxbdy)+Math.abs(bdxady))*Math.abs(cdz);var tol=ERRBOUND4*permanent;if(det>tol||-det>tol){return det}return orientation4Exact(a,b,c,d)}];function slowOrient(args){var proc=CACHED[args.length];if(!proc){proc=CACHED[args.length]=orientation(args.length)}return proc.apply(undefined,args)}function generateOrientationProc(){while(CACHED.length<=NUM_EXPAND){CACHED.push(orientation(CACHED.length))}var args=[];var procArgs=["slow"];for(var i=0;i<=NUM_EXPAND;++i){args.push("a"+i);procArgs.push("o"+i)}var code=["function getOrientation(",args.join(),"){switch(arguments.length){case 0:case 1:return 0;"];for(var i=2;i<=NUM_EXPAND;++i){code.push("case ",i,":return o",i,"(",args.slice(0,i).join(),");")}code.push("}var s=new Array(arguments.length);for(var i=0;i<arguments.length;++i){s[i]=arguments[i]};return slow(s);}return getOrientation");procArgs.push(code.join(""));var proc=Function.apply(undefined,procArgs);module.exports=proc.apply(undefined,[slowOrient].concat(CACHED));for(var i=0;i<=NUM_EXPAND;++i){module.exports[i]=CACHED[i]}}generateOrientationProc()},{"robust-scale":59,"robust-subtract":60,"robust-sum":62,"two-product":63}],62:[function(require,module,exports){"use strict";module.exports=linearExpansionSum;function scalarScalar(a,b){var x=a+b;var bv=x-a;var av=x-bv;var br=b-bv;var ar=a-av;var y=ar+br;if(y){return[y,x]}return[x]}function linearExpansionSum(e,f){var ne=e.length|0;var nf=f.length|0;if(ne===1&&nf===1){return scalarScalar(e[0],f[0])}var n=ne+nf;var g=new Array(n);
var count=0;var eptr=0;var fptr=0;var abs=Math.abs;var ei=e[eptr];var ea=abs(ei);var fi=f[fptr];var fa=abs(fi);var a,b;if(ea<fa){b=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{b=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}if(eptr<ne&&ea<fa||fptr>=nf){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}var x=a+b;var bv=x-a;var y=b-bv;var q0=y;var q1=x;var _x,_bv,_av,_br,_ar;while(eptr<ne&&fptr<nf){if(ea<fa){a=ei;eptr+=1;if(eptr<ne){ei=e[eptr];ea=abs(ei)}}else{a=fi;fptr+=1;if(fptr<nf){fi=f[fptr];fa=abs(fi)}}b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x}while(eptr<ne){a=ei;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;eptr+=1;if(eptr<ne){ei=e[eptr]}}while(fptr<nf){a=fi;b=q0;x=a+b;bv=x-a;y=b-bv;if(y){g[count++]=y}_x=q1+x;_bv=_x-q1;_av=_x-_bv;_br=x-_bv;_ar=q1-_av;q0=_ar+_br;q1=_x;fptr+=1;if(fptr<nf){fi=f[fptr]}}if(q0){g[count++]=q0}if(q1){g[count++]=q1}if(!count){g[count++]=0}g.length=count;return g}},{}],63:[function(require,module,exports){"use strict";module.exports=twoProduct;var SPLITTER=+(Math.pow(2,27)+1);function twoProduct(a,b,result){var x=a*b;var c=SPLITTER*a;var abig=c-a;var ahi=c-abig;var alo=a-ahi;var d=SPLITTER*b;var bbig=d-b;var bhi=d-bbig;var blo=b-bhi;var err1=x-ahi*bhi;var err2=err1-alo*bhi;var err3=err2-ahi*blo;var y=alo*blo-err3;if(result){result[0]=y;result[1]=x;return result}return[y,x]}},{}],64:[function(require,module,exports){module.exports=require(17)},{}],65:[function(require,module,exports){"use strict";module.exports=planarGraphToPolyline;var e2a=require("edges-to-adjacency-list");var planarDual=require("planar-dual");var preprocessPolygon=require("point-in-big-polygon");var twoProduct=require("two-product");var robustSum=require("robust-sum");var uniq=require("uniq");var dup=require("dup");function planarGraphToPolyline(edges,positions){var numVertices=positions.length;var numEdges=edges.length;var adj=e2a(edges,positions.length);for(var i=0;i<numVertices;++i){if(adj[i].length%2===1){throw new Error("planar-graph-to-polyline: graph must be manifold")}}var faces=planarDual(edges,positions);function ccw(c){var n=c.length;var area=[0];for(var j=0;j<n;++j){var a=positions[c[j]];var b=positions[c[(j+1)%n]];var t00=twoProduct(-a[0],a[1]);var t01=twoProduct(-a[0],b[1]);var t10=twoProduct(b[0],a[1]);var t11=twoProduct(b[0],b[1]);area=robustSum(area,robustSum(robustSum(t00,t01),robustSum(t10,t11)))}return area[area.length-1]>0}faces=faces.filter(ccw);var numFaces=faces.length;var parent=new Array(numFaces);var containment=new Array(numFaces);for(var i=0;i<numFaces;++i){parent[i]=i;var row=new Array(numFaces);var loopVertices=faces[i].map(function(v){return positions[v]});var pmc=preprocessPolygon([loopVertices]);var count=0;outer:for(var j=0;j<numFaces;++j){row[j]=0;if(i===j){continue}var c=faces[j];var n=c.length;for(var k=0;k<n;++k){var d=pmc(positions[c[k]]);if(d!==0){if(d>0){row[j]=1;count+=1}continue outer}}row[j]=1;count+=1}containment[i]=[count,i,row]}containment.sort(function(a,b){return b[0]-a[0]});for(var i=0;i<numFaces;++i){var row=containment[i];var idx=row[1];var children=row[2];for(var j=0;j<numFaces;++j){if(children[j]){parent[j]=idx}}}var fadj=dup([numFaces,0]);for(var i=0;i<numFaces;++i){fadj[i].push(parent[i]);fadj[parent[i]].push(i)}var edgeAdjacency={};var internalVertices=dup(numVertices,false);for(var i=0;i<numFaces;++i){var c=faces[i];var n=c.length;for(var j=0;j<n;++j){var a=c[j];var b=c[(j+1)%n];var key=Math.min(a,b)+":"+Math.max(a,b);if(key in edgeAdjacency){var neighbor=edgeAdjacency[key];fadj[neighbor].push(i);fadj[i].push(neighbor);internalVertices[a]=internalVertices[b]=true}else{edgeAdjacency[key]=i}}}function sharedBoundary(c){var n=c.length;for(var i=0;i<n;++i){if(!internalVertices[c[i]]){return false}}return true}var toVisit=[];var parity=dup(numFaces,-1);for(var i=0;i<numFaces;++i){if(parent[i]===i&&!sharedBoundary(faces[i])){toVisit.push(i);parity[i]=0}else{parity[i]=-1}}var result=[];while(toVisit.length>0){var top=toVisit.pop();var nbhd=fadj[top];uniq(nbhd,function(a,b){return a-b});var nnbhr=nbhd.length;var p=parity[top];var polyline;if(p===0){var c=faces[top];polyline=[c]}for(var i=0;i<nnbhr;++i){var f=nbhd[i];if(parity[f]>=0){continue}parity[f]=p^1;toVisit.push(f);if(p===0){var c=faces[f];if(!sharedBoundary(c)){c.reverse();polyline.push(c)}}}if(p===0){result.push(polyline)}}return result}},{dup:45,"edges-to-adjacency-list":46,"planar-dual":47,"point-in-big-polygon":57,"robust-sum":62,"two-product":63,uniq:64}],66:[function(require,module,exports){module.exports=require(52)},{}],67:[function(require,module,exports){module.exports=require(49)},{"two-product":70,"two-sum":66}],68:[function(require,module,exports){module.exports=require(60)},{}],69:[function(require,module,exports){module.exports=require(62)},{}],70:[function(require,module,exports){module.exports=require(63)},{}],71:[function(require,module,exports){module.exports=require(61)},{"robust-scale":67,"robust-subtract":68,"robust-sum":69,"two-product":70}],72:[function(require,module,exports){module.exports=require(11)},{}],73:[function(require,module,exports){"use strict";"use restrict";module.exports=UnionFind;function UnionFind(count){this.roots=new Array(count);this.ranks=new Array(count);for(var i=0;i<count;++i){this.roots[i]=i;this.ranks[i]=0}}UnionFind.prototype.length=function(){return this.roots.length};UnionFind.prototype.makeSet=function(){var n=this.roots.length;this.roots.push(n);this.ranks.push(0);return n};UnionFind.prototype.find=function(x){var roots=this.roots;while(roots[x]!==x){var y=roots[x];roots[x]=roots[y];x=y}return x};UnionFind.prototype.link=function(x,y){var xr=this.find(x),yr=this.find(y);if(xr===yr){return}var ranks=this.ranks,roots=this.roots,xd=ranks[xr],yd=ranks[yr];if(xd<yd){roots[xr]=yr}else if(yd<xd){roots[yr]=xr}else{roots[yr]=xr;++ranks[xr]}}},{}],74:[function(require,module,exports){"use strict";"use restrict";var bits=require("bit-twiddle"),UnionFind=require("union-find");function dimension(cells){var d=0,max=Math.max;for(var i=0,il=cells.length;i<il;++i){d=max(d,cells[i].length)}return d-1}exports.dimension=dimension;function countVertices(cells){var vc=-1,max=Math.max;for(var i=0,il=cells.length;i<il;++i){var c=cells[i];for(var j=0,jl=c.length;j<jl;++j){vc=max(vc,c[j])}}return vc+1}exports.countVertices=countVertices;function cloneCells(cells){var ncells=new Array(cells.length);for(var i=0,il=cells.length;i<il;++i){ncells[i]=cells[i].slice(0)}return ncells}exports.cloneCells=cloneCells;function compareCells(a,b){var n=a.length,t=a.length-b.length,min=Math.min;if(t){return t}switch(n){case 0:return 0;case 1:return a[0]-b[0];case 2:var d=a[0]+a[1]-b[0]-b[1];if(d){return d}return min(a[0],a[1])-min(b[0],b[1]);case 3:var l1=a[0]+a[1],m1=b[0]+b[1];d=l1+a[2]-(m1+b[2]);if(d){return d}var l0=min(a[0],a[1]),m0=min(b[0],b[1]),d=min(l0,a[2])-min(m0,b[2]);if(d){return d}return min(l0+a[2],l1)-min(m0+b[2],m1);default:var as=a.slice(0);as.sort();var bs=b.slice(0);bs.sort();for(var i=0;i<n;++i){t=as[i]-bs[i];if(t){return t}}return 0}}exports.compareCells=compareCells;function compareZipped(a,b){return compareCells(a[0],b[0])}function normalize(cells,attr){if(attr){var len=cells.length;var zipped=new Array(len);for(var i=0;i<len;++i){zipped[i]=[cells[i],attr[i]]}zipped.sort(compareZipped);for(var i=0;i<len;++i){cells[i]=zipped[i][0];attr[i]=zipped[i][1]}return cells}else{cells.sort(compareCells);return cells}}exports.normalize=normalize;function unique(cells){if(cells.length===0){return[]}var ptr=1,len=cells.length;for(var i=1;i<len;++i){var a=cells[i];if(compareCells(a,cells[i-1])){if(i===ptr){ptr++;continue}cells[ptr++]=a}}cells.length=ptr;return cells}exports.unique=unique;function findCell(cells,c){var lo=0,hi=cells.length-1,r=-1;while(lo<=hi){var mid=lo+hi>>1,s=compareCells(cells[mid],c);if(s<=0){if(s===0){r=mid}lo=mid+1}else if(s>0){hi=mid-1}}return r}exports.findCell=findCell;function incidence(from_cells,to_cells){var index=new Array(from_cells.length);for(var i=0,il=index.length;i<il;++i){index[i]=[]}var b=[];for(var i=0,n=to_cells.length;i<n;++i){var c=to_cells[i];var cl=c.length;for(var k=1,kn=1<<cl;k<kn;++k){b.length=bits.popCount(k);var l=0;for(var j=0;j<cl;++j){if(k&1<<j){b[l++]=c[j]}}var idx=findCell(from_cells,b);if(idx<0){continue}while(true){index[idx++].push(i);if(idx>=from_cells.length||compareCells(from_cells[idx],b)!==0){break}}}}return index}exports.incidence=incidence;function dual(cells,vertex_count){if(!vertex_count){return incidence(unique(skeleton(cells,0)),cells,0)}var res=new Array(vertex_count);for(var i=0;i<vertex_count;++i){res[i]=[]}for(var i=0,len=cells.length;i<len;++i){var c=cells[i];for(var j=0,cl=c.length;j<cl;++j){res[c[j]].push(i)}}return res}exports.dual=dual;function explode(cells){var result=[];for(var i=0,il=cells.length;i<il;++i){var c=cells[i],cl=c.length|0;for(var j=1,jl=1<<cl;j<jl;++j){var b=[];for(var k=0;k<cl;++k){if(j>>>k&1){b.push(c[k])}}result.push(b)}}return normalize(result)}exports.explode=explode;function skeleton(cells,n){if(n<0){return[]}var result=[],k0=(1<<n+1)-1;for(var i=0;i<cells.length;++i){var c=cells[i];for(var k=k0;k<1<<c.length;k=bits.nextCombination(k)){var b=new Array(n+1),l=0;for(var j=0;j<c.length;++j){if(k&1<<j){b[l++]=c[j]}}result.push(b)}}return normalize(result)}exports.skeleton=skeleton;function boundary(cells){var res=[];for(var i=0,il=cells.length;i<il;++i){var c=cells[i];for(var j=0,cl=c.length;j<cl;++j){var b=new Array(c.length-1);for(var k=0,l=0;k<cl;++k){if(k!==j){b[l++]=c[k]}}res.push(b)}}return normalize(res)}exports.boundary=boundary;function connectedComponents_dense(cells,vertex_count){var labels=new UnionFind(vertex_count);for(var i=0;i<cells.length;++i){var c=cells[i];for(var j=0;j<c.length;++j){for(var k=j+1;k<c.length;++k){labels.link(c[j],c[k])}}}var components=[],component_labels=labels.ranks;for(var i=0;i<component_labels.length;++i){component_labels[i]=-1}for(var i=0;i<cells.length;++i){var l=labels.find(cells[i][0]);if(component_labels[l]<0){component_labels[l]=components.length;components.push([cells[i].slice(0)])}else{components[component_labels[l]].push(cells[i].slice(0))}}return components}function connectedComponents_sparse(cells){var vertices=unique(normalize(skeleton(cells,0))),labels=new UnionFind(vertices.length);for(var i=0;i<cells.length;++i){var c=cells[i];for(var j=0;j<c.length;++j){var vj=findCell(vertices,[c[j]]);for(var k=j+1;k<c.length;++k){labels.link(vj,findCell(vertices,[c[k]]))}}}var components=[],component_labels=labels.ranks;for(var i=0;i<component_labels.length;++i){component_labels[i]=-1}for(var i=0;i<cells.length;++i){var l=labels.find(findCell(vertices,[cells[i][0]]));if(component_labels[l]<0){component_labels[l]=components.length;components.push([cells[i].slice(0)])}else{components[component_labels[l]].push(cells[i].slice(0))}}return components}function connectedComponents(cells,vertex_count){if(vertex_count){return connectedComponents_dense(cells,vertex_count)}return connectedComponents_sparse(cells)}exports.connectedComponents=connectedComponents},{"bit-twiddle":72,"union-find":73}],75:[function(require,module,exports){"use strict";module.exports=simplifyPolygon;var orient=require("robust-orientation");var sc=require("simplicial-complex");function errorWeight(base,a,b){var area=Math.abs(orient(base,a,b));var perim=Math.sqrt(Math.pow(a[0]-b[0],2)+Math.pow(a[1]-b[1],2));return area/perim}function simplifyPolygon(cells,positions,minArea){var n=positions.length;var nc=cells.length;var inv=new Array(n);var outv=new Array(n);var weights=new Array(n);var dead=new Array(n);for(var i=0;i<n;++i){inv[i]=outv[i]=-1;weights[i]=Infinity;dead[i]=false}for(var i=0;i<nc;++i){var c=cells[i];if(c.length!==2){throw new Error("Input must be a graph")}var s=c[1];var t=c[0];if(outv[t]!==-1){outv[t]=-2}else{outv[t]=s}if(inv[s]!==-1){inv[s]=-2}else{inv[s]=t}}function computeWeight(i){if(dead[i]){return Infinity}var s=inv[i];var t=outv[i];if(s<0||t<0){return Infinity}else{return errorWeight(positions[i],positions[s],positions[t])}}function heapSwap(i,j){var a=heap[i];var b=heap[j];heap[i]=b;heap[j]=a;index[a]=j;index[b]=i}function heapWeight(i){return weights[heap[i]]}function heapParent(i){if(i&1){return i-1>>1}return(i>>1)-1}function heapDown(i){var w=heapWeight(i);while(true){var tw=w;var left=2*i+1;var right=2*(i+1);var next=i;if(left<heapCount){var lw=heapWeight(left);if(lw<tw){next=left;tw=lw}}if(right<heapCount){var rw=heapWeight(right);if(rw<tw){next=right}}if(next===i){return i}heapSwap(i,next);i=next}}function heapUp(i){var w=heapWeight(i);while(i>0){var parent=heapParent(i);if(parent>=0){var pw=heapWeight(parent);if(w<pw){heapSwap(i,parent);i=parent;continue}}return i}}function heapPop(){if(heapCount>0){var head=heap[0];heapSwap(0,heapCount-1);heapCount-=1;heapDown(0);return head}return-1}function heapUpdate(i,w){var a=heap[i];if(weights[a]===w){return i}weights[a]=-Infinity;heapUp(i);heapPop();weights[a]=w;heapCount+=1;return heapUp(heapCount-1)}function kill(i){if(dead[i]){return}dead[i]=true;var s=inv[i];var t=outv[i];if(inv[t]>=0){inv[t]=s}if(outv[s]>=0){outv[s]=t}if(index[s]>=0){heapUpdate(index[s],computeWeight(s))}if(index[t]>=0){heapUpdate(index[t],computeWeight(t))}}var heap=[];var index=new Array(n);for(var i=0;i<n;++i){var w=weights[i]=computeWeight(i);if(w<Infinity){index[i]=heap.length;heap.push(i)}else{index[i]=-1}}var heapCount=heap.length;for(var i=heapCount>>1;i>=0;--i){heapDown(i)}while(true){var hmin=heapPop();if(hmin<0||weights[hmin]>minArea){break}kill(hmin)}var npositions=[];for(var i=0;i<n;++i){if(!dead[i]){index[i]=npositions.length;npositions.push(positions[i].slice())}}var nv=npositions.length;function tortoiseHare(seq,start){if(seq[start]<0){return start}var t=start;var h=start;do{var nh=seq[h];if(!dead[h]||nh<0||nh===h){break}h=nh;nh=seq[h];if(!dead[h]||nh<0||nh===h){break}h=nh;t=seq[t]}while(t!==h);for(var v=start;v!==h;v=seq[v]){seq[v]=h}return h}var ncells=[];cells.forEach(function(c){var tin=tortoiseHare(inv,c[0]);var tout=tortoiseHare(outv,c[1]);if(tin>=0&&tout>=0&&tin!==tout){var cin=index[tin];var cout=index[tout];if(cin!==cout){ncells.push([cin,cout])}}});sc.unique(sc.normalize(ncells));return{positions:npositions,edges:ncells}}},{"robust-orientation":71,"simplicial-complex":74}],76:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");module.exports=createSurfaceExtractor;function array(i){return"a"+i}function data(i){return"d"+i}function cube(i,bitmask){return"c"+i+"_"+bitmask}function shape(i){return"s"+i}function stride(i,j){return"t"+i+"_"+j}function offset(i){return"o"+i}function scalar(i){return"x"+i}function pointer(i){return"p"+i}function delta(i,bitmask){return"d"+i+"_"+bitmask}function index(i){return"i"+i}function step(i,j){return"u"+i+"_"+j}function pcube(bitmask){return"b"+bitmask}function qcube(bitmask){return"y"+bitmask}function pdelta(bitmask){return"e"+bitmask}function vert(i){return"v"+i}var VERTEX_IDS="V";var PHASES="P";var VERTEX_COUNT="N";var POOL_SIZE="Q";var POINTER="X";var TEMPORARY="T";function permBitmask(dimension,mask,order){var r=0;for(var i=0;i<dimension;++i){if(mask&1<<i){r|=1<<order[i]}}return r}function compileSurfaceProcedure(vertexFunc,faceFunc,phaseFunc,scalarArgs,order,typesig){var arrayArgs=typesig.length;var dimension=order.length;if(dimension<2){throw new Error("ndarray-extract-contour: Dimension must be at least 2")}var funcName="extractContour"+order.join("_");var code=[];var vars=[];var args=[];for(var i=0;i<arrayArgs;++i){args.push(array(i))}for(var i=0;i<scalarArgs;++i){args.push(scalar(i))}for(var i=0;i<dimension;++i){vars.push(shape(i)+"="+array(0)+".shape["+i+"]|0")}for(var i=0;i<arrayArgs;++i){vars.push(data(i)+"="+array(i)+".data",offset(i)+"="+array(i)+".offset|0");for(var j=0;j<dimension;++j){vars.push(stride(i,j)+"="+array(i)+".stride["+j+"]|0")}}for(var i=0;i<arrayArgs;++i){vars.push(pointer(i)+"="+offset(i));vars.push(cube(i,0));for(var j=1;j<1<<dimension;++j){var ptrStr=[];for(var k=0;k<dimension;++k){if(j&1<<k){ptrStr.push("-"+stride(i,k))}}vars.push(delta(i,j)+"=("+ptrStr.join("")+")|0");vars.push(cube(i,j)+"=0")}}for(var i=0;i<arrayArgs;++i){for(var j=0;j<dimension;++j){var stepVal=[stride(i,order[j])];if(j>0){stepVal.push(stride(i,order[j-1])+"*"+shape(order[j-1]))}vars.push(step(i,order[j])+"=("+stepVal.join("-")+")|0")}}for(var i=0;i<dimension;++i){vars.push(index(i)+"=0")}vars.push(VERTEX_COUNT+"=0");var sizeVariable=["2"];for(var i=dimension-2;i>=0;--i){sizeVariable.push(shape(order[i]))}vars.push(POOL_SIZE+"=("+sizeVariable.join("*")+")|0",PHASES+"=mallocUint32("+POOL_SIZE+")",VERTEX_IDS+"=mallocUint32("+POOL_SIZE+")",POINTER+"=0");vars.push(pcube(0)+"=0");for(var j=1;j<1<<dimension;++j){var cubeDelta=[];var cubeStep=[];for(var k=0;k<dimension;++k){if(j&1<<k){if(cubeStep.length===0){cubeDelta.push("1")}else{cubeDelta.unshift(cubeStep.join("*"))}}cubeStep.push(shape(order[k]))}var signFlag="";if(cubeDelta[0].indexOf(shape(order[dimension-2]))<0){signFlag="-"}var jperm=permBitmask(dimension,j,order);vars.push(pdelta(jperm)+"=(-"+cubeDelta.join("-")+")|0",qcube(jperm)+"=("+signFlag+cubeDelta.join("-")+")|0",pcube(jperm)+"=0")}vars.push(vert(0)+"=0",TEMPORARY+"=0");function forLoopBegin(i,start){code.push("for(",index(order[i]),"=",start,";",index(order[i]),"<",shape(order[i]),";","++",index(order[i]),"){")}function forLoopEnd(i){for(var j=0;j<arrayArgs;++j){code.push(pointer(j),"+=",step(j,order[i]),";")}code.push("}")}function fillEmptySlice(k){for(var i=k-1;i>=0;--i){forLoopBegin(i,0)}var phaseFuncArgs=[];for(var i=0;i<arrayArgs;++i){if(typesig[i]){phaseFuncArgs.push(data(i)+".get("+pointer(i)+")")}else{phaseFuncArgs.push(data(i)+"["+pointer(i)+"]")}}for(var i=0;i<scalarArgs;++i){phaseFuncArgs.push(scalar(i))}code.push(PHASES,"[",POINTER,"++]=phase(",phaseFuncArgs.join(),");");for(var i=0;i<k;++i){forLoopEnd(i)}for(var j=0;j<arrayArgs;++j){code.push(pointer(j),"+=",step(j,order[k]),";")}}function processGridCell(mask){for(var i=0;i<arrayArgs;++i){if(typesig[i]){code.push(cube(i,0),"=",data(i),".get(",pointer(i),");")}else{code.push(cube(i,0),"=",data(i),"[",pointer(i),"];")}}var phaseFuncArgs=[];for(var i=0;i<arrayArgs;++i){phaseFuncArgs.push(cube(i,0))}for(var i=0;i<scalarArgs;++i){phaseFuncArgs.push(scalar(i))}code.push(pcube(0),"=",PHASES,"[",POINTER,"]=phase(",phaseFuncArgs.join(),");");for(var j=1;j<1<<dimension;++j){code.push(pcube(j),"=",PHASES,"[",POINTER,"+",pdelta(j),"];")}var vertexPredicate=[];for(var j=1;j<1<<dimension;++j){vertexPredicate.push("("+pcube(0)+"!=="+pcube(j)+")")}code.push("if(",vertexPredicate.join("||"),"){");var vertexArgs=[];for(var i=0;i<dimension;++i){vertexArgs.push(index(i))}for(var i=0;i<arrayArgs;++i){vertexArgs.push(cube(i,0));for(var j=1;j<1<<dimension;++j){if(typesig[i]){code.push(cube(i,j),"=",data(i),".get(",pointer(i),"+",delta(i,j),");")}else{code.push(cube(i,j),"=",data(i),"[",pointer(i),"+",delta(i,j),"];")}vertexArgs.push(cube(i,j))}}for(var i=0;i<1<<dimension;++i){vertexArgs.push(pcube(i))}for(var i=0;i<scalarArgs;++i){vertexArgs.push(scalar(i))}code.push("vertex(",vertexArgs.join(),");",vert(0),"=",VERTEX_IDS,"[",POINTER,"]=",VERTEX_COUNT,"++;");var base=(1<<dimension)-1;var corner=pcube(base);for(var j=0;j<dimension;++j){if((mask&~(1<<j))===0){var subset=base^1<<j;var edge=pcube(subset);var faceArgs=[];for(var k=subset;k>0;k=k-1&subset){faceArgs.push(VERTEX_IDS+"["+POINTER+"+"+pdelta(k)+"]")}faceArgs.push(vert(0));for(var k=0;k<arrayArgs;++k){if(j&1){faceArgs.push(cube(k,base),cube(k,subset))}else{faceArgs.push(cube(k,subset),cube(k,base))}}if(j&1){faceArgs.push(corner,edge)}else{faceArgs.push(edge,corner)}for(var k=0;k<scalarArgs;++k){faceArgs.push(scalar(k))}code.push("if(",corner,"!==",edge,"){","face(",faceArgs.join(),")}")}}code.push("}",POINTER,"+=1;")}function flip(){for(var j=1;j<1<<dimension;++j){code.push(TEMPORARY,"=",pdelta(j),";",pdelta(j),"=",qcube(j),";",qcube(j),"=",TEMPORARY,";")}}function createLoop(i,mask){if(i<0){processGridCell(mask);return}fillEmptySlice(i);code.push("if(",shape(order[i]),">0){",index(order[i]),"=1;");createLoop(i-1,mask|1<<order[i]);for(var j=0;j<arrayArgs;++j){code.push(pointer(j),"+=",step(j,order[i]),";")}if(i===dimension-1){code.push(POINTER,"=0;");flip()}forLoopBegin(i,2);createLoop(i-1,mask);if(i===dimension-1){code.push("if(",index(order[dimension-1]),"&1){",POINTER,"=0;}");flip()}forLoopEnd(i);code.push("}")}createLoop(dimension-1,0);code.push("freeUint32(",VERTEX_IDS,");freeUint32(",PHASES,");");var procedureCode=["'use strict';","function ",funcName,"(",args.join(),"){","var ",vars.join(),";",code.join(""),"}","return ",funcName].join("");var proc=new Function("vertex","face","phase","mallocUint32","freeUint32",procedureCode);return proc(vertexFunc,faceFunc,phaseFunc,pool.mallocUint32,pool.freeUint32)}function createSurfaceExtractor(args){function error(msg){throw new Error("ndarray-extract-contour: "+msg)}if(typeof args!=="object"){error("Must specify arguments")}var order=args.order;if(!Array.isArray(order)){error("Must specify order")}var arrays=args.arrayArguments||1;if(arrays<1){error("Must have at least one array argument")}var scalars=args.scalarArguments||0;if(scalars<0){error("Scalar arg count must be > 0")}if(typeof args.vertex!=="function"){error("Must specify vertex creation function")}if(typeof args.cell!=="function"){error("Must specify cell creation function")}if(typeof args.phase!=="function"){error("Must specify phase function")}var getters=args.getters||[];var typesig=new Array(arrays);for(var i=0;i<arrays;++i){if(getters.indexOf(i)>=0){typesig[i]=true}else{typesig[i]=false}}return compileSurfaceProcedure(args.vertex,args.cell,args.phase,scalars,order,typesig)}},{"typedarray-pool":78}],77:[function(require,module,exports){module.exports=require(20)},{}],78:[function(require,module,exports){module.exports=require(21)},{"bit-twiddle":11,buffer:1,dup:77}],79:[function(require,module,exports){var g=7;var p=[.9999999999998099,676.5203681218851,-1259.1392167224028,771.3234287776531,-176.6150291621406,12.507343278686905,-.13857109526572012,9984369578019572e-21,1.5056327351493116e-7];var g_ln=607/128;var p_ln=[.9999999999999971,57.15623566586292,-59.59796035547549,14.136097974741746,-.4919138160976202,3399464998481189e-20,4652362892704858e-20,-9837447530487956e-20,.0001580887032249125,-.00021026444172410488,.00021743961811521265,-.0001643181065367639,8441822398385275e-20,-26190838401581408e-21,36899182659531625e-22];function lngamma(z){if(z<0)return Number("0/0");var x=p_ln[0];for(var i=p_ln.length-1;i>0;--i)x+=p_ln[i]/(z+i);var t=z+g_ln+.5;return.5*Math.log(2*Math.PI)+(z+.5)*Math.log(t)-t+Math.log(x)-Math.log(z)}module.exports=function gamma(z){if(z<.5){return Math.PI/(Math.sin(Math.PI*z)*gamma(1-z))}else if(z>100)return Math.exp(lngamma(z));else{z-=1;var x=p[0];for(var i=1;i<g+2;i++){x+=p[i]/(z+i)}var t=z+g+.5;return Math.sqrt(2*Math.PI)*Math.pow(t,z+.5)*Math.exp(-t)*x}};module.exports.log=lngamma},{}],80:[function(require,module,exports){module.exports=require(20)},{}],81:[function(require,module,exports){module.exports=require(21)},{"bit-twiddle":11,buffer:1,dup:80}],82:[function(require,module,exports){"use strict";module.exports=permutationSign;var BRUTE_FORCE_CUTOFF=32;var pool=require("typedarray-pool");function permutationSign(p){var n=p.length;if(n<BRUTE_FORCE_CUTOFF){var sgn=1;for(var i=0;i<n;++i){for(var j=0;j<i;++j){if(p[i]<p[j]){sgn=-sgn}else if(p[i]===p[j]){return 0}}}return sgn}else{var visited=pool.mallocUint8(n);for(var i=0;i<n;++i){visited[i]=0}var sgn=1;for(var i=0;i<n;++i){if(!visited[i]){var count=1;visited[i]=1;for(var j=p[i];j!==i;j=p[j]){if(visited[j]){pool.freeUint8(visited);return 0}count+=1;visited[j]=1}if(!(count&1)){sgn=-sgn}}}pool.freeUint8(visited);return sgn}}},{"typedarray-pool":81}],83:[function(require,module,exports){"use strict";var pool=require("typedarray-pool");var inverse=require("invert-permutation");function rank(permutation){var n=permutation.length;switch(n){case 0:case 1:return 0;case 2:return permutation[1];default:break}var p=pool.mallocUint32(n);var pinv=pool.mallocUint32(n);var r=0,s,t,i;inverse(permutation,pinv);for(i=0;i<n;++i){p[i]=permutation[i]}for(i=n-1;i>0;--i){t=pinv[i];s=p[i];p[i]=p[t];p[t]=s;pinv[i]=pinv[s];pinv[s]=t;r=(r+s)*i}pool.freeUint32(pinv);pool.freeUint32(p);return r}function unrank(n,r,p){switch(n){case 0:if(p){return p}return[];case 1:if(p){p[0]=0;return p}else{return[0]}case 2:if(p){if(r){p[0]=0;p[1]=1}else{p[0]=1;p[1]=0}return p}else{return r?[0,1]:[1,0]}default:break}p=p||new Array(n);var s,t,i,nf=1;p[0]=0;for(i=1;i<n;++i){p[i]=i;nf=nf*i|0}for(i=n-1;i>0;--i){s=r/nf|0;r=r-s*nf|0;nf=nf/i|0;t=p[i]|0;p[i]=p[s]|0;p[s]=t|0}return p}exports.rank=rank;exports.unrank=unrank},{"invert-permutation":84,"typedarray-pool":86}],84:[function(require,module,exports){"use strict";function invertPermutation(pi,result){result=result||new Array(pi.length);for(var i=0;i<pi.length;++i){result[pi[i]]=i}return result}module.exports=invertPermutation},{}],85:[function(require,module,exports){module.exports=require(20)},{}],86:[function(require,module,exports){module.exports=require(21)},{"bit-twiddle":11,buffer:1,dup:85}],87:[function(require,module,exports){"use strict";module.exports=triangulateCube;var perm=require("permutation-rank");var sgn=require("permutation-parity");var gamma=require("gamma");function triangulateCube(dimension){if(dimension<0){return[]}if(dimension===0){return[[0]]}var dfactorial=gamma(dimension+1)|0;var result=[];for(var i=0;i<dfactorial;++i){var p=perm.unrank(dimension,i);var cell=[0];var v=0;for(var j=0;j<p.length;++j){v+=1<<p[j];cell.push(v)}if(sgn(p)<1){cell[0]=v;cell[dimension]=0}result.push(cell)}return result}},{gamma:79,"permutation-parity":82,"permutation-rank":83}],88:[function(require,module,exports){module.exports=require("cwise-compiler")({args:["array",{offset:[1],array:0},"scalar","scalar","index"],pre:{body:"{}",args:[],thisVars:[],localVars:[]},post:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{\n        var _inline_1_da = _inline_1_arg0_ - _inline_1_arg3_\n        var _inline_1_db = _inline_1_arg1_ - _inline_1_arg3_\n        if((_inline_1_da >= 0) !== (_inline_1_db >= 0)) {\n          _inline_1_arg2_.push(_inline_1_arg4_[0] + 0.5 + 0.5 * (_inline_1_da + _inline_1_db) / (_inline_1_da - _inline_1_db))\n        }\n      }",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg2_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg3_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg4_",lvalue:false,rvalue:true,count:1}],thisVars:[],localVars:["_inline_1_da","_inline_1_db"]},funcName:"zeroCrossings"})},{"cwise-compiler":89}],89:[function(require,module,exports){module.exports=require(14)},{"./lib/thunk.js":91}],90:[function(require,module,exports){module.exports=require(15)},{uniq:92}],91:[function(require,module,exports){module.exports=require(16)},{"./compile.js":90}],92:[function(require,module,exports){module.exports=require(17)},{}],93:[function(require,module,exports){"use strict";module.exports=findZeroCrossings;var core=require("./lib/zc-core");function findZeroCrossings(array,level){var cross=[];level=+level||0;core(array.hi(array.shape[0]-1),cross,level);return cross}},{"./lib/zc-core":88}],94:[function(require,module,exports){"use strict";module.exports=surfaceNets;var generateContourExtractor=require("ndarray-extract-contour");var triangulateCube=require("triangulate-hypercube");var zeroCrossings=require("zero-crossings");function buildSurfaceNets(order,dtype){var dimension=order.length;var code=["'use strict';"];var funcName="surfaceNets"+order.join("_")+"d"+dtype;code.push("var contour=genContour({","order:[",order.join(),"],","scalarArguments: 3,","phase:function phaseFunc(p,a,b,c) { return (p > c)|0 },");if(dtype==="generic"){code.push("getters:[0],")}var cubeArgs=[];var extraArgs=[];for(var i=0;i<dimension;++i){cubeArgs.push("d"+i);extraArgs.push("d"+i)}for(var i=0;i<1<<dimension;++i){cubeArgs.push("v"+i);extraArgs.push("v"+i)}for(var i=0;i<1<<dimension;++i){cubeArgs.push("p"+i);extraArgs.push("p"+i)}cubeArgs.push("a","b","c");extraArgs.push("a","c");code.push("vertex:function vertexFunc(",cubeArgs.join(),"){");var maskStr=[];for(var i=0;i<1<<dimension;++i){maskStr.push("(p"+i+"<<"+i+")")}code.push("var m=(",maskStr.join("+"),")|0;if(m===0||m===",(1<<(1<<dimension))-1,"){return}");var extraFuncs=[];var currentFunc=[];if(1<<(1<<dimension)<=128){code.push("switch(m){");currentFunc=code}else{code.push("switch(m>>>7){")}for(var i=0;i<1<<(1<<dimension);++i){if(1<<(1<<dimension)>128){if(i%128===0){if(extraFuncs.length>0){currentFunc.push("}}")}var efName="vExtra"+extraFuncs.length;code.push("case ",i>>>7,":",efName,"(m&0x7f,",extraArgs.join(),");break;");currentFunc=["function ",efName,"(m,",extraArgs.join(),"){switch(m){"];extraFuncs.push(currentFunc)}}currentFunc.push("case ",i&127,":");var crossings=new Array(dimension);var denoms=new Array(dimension);var crossingCount=new Array(dimension);var bias=new Array(dimension);var totalCrossings=0;for(var j=0;j<dimension;++j){crossings[j]=[];denoms[j]=[];crossingCount[j]=0;bias[j]=0}for(var j=0;j<1<<dimension;++j){for(var k=0;k<dimension;++k){var u=j^1<<k;if(u>j){continue}if(!(i&1<<u)!==!(i&1<<j)){var sign=1;if(i&1<<u){denoms[k].push("v"+u+"-v"+j)}else{denoms[k].push("v"+j+"-v"+u);sign=-sign}if(sign<0){crossings[k].push("-v"+j+"-v"+u);crossingCount[k]+=2}else{crossings[k].push("v"+j+"+v"+u);crossingCount[k]-=2}totalCrossings+=1;for(var l=0;l<dimension;++l){if(l===k){continue}if(u&1<<l){bias[l]+=1}else{bias[l]-=1}}}}}var vertexStr=[];for(var k=0;k<dimension;++k){if(crossings[k].length===0){vertexStr.push("d"+k+"-0.5")}else{var cStr="";if(crossingCount[k]<0){cStr=crossingCount[k]+"*c"}else if(crossingCount[k]>0){cStr="+"+crossingCount[k]+"*c"}var weight=.5*(crossings[k].length/totalCrossings);var shift=.5+.5*(bias[k]/totalCrossings);vertexStr.push("d"+k+"-"+shift+"-"+weight+"*("+crossings[k].join("+")+cStr+")/("+denoms[k].join("+")+")")}}currentFunc.push("a.push([",vertexStr.join(),"]);","break;")}code.push("}},");if(extraFuncs.length>0){currentFunc.push("}}")}var faceArgs=[];for(var i=0;i<1<<dimension-1;++i){faceArgs.push("v"+i)}faceArgs.push("c0","c1","p0","p1","a","b","c");code.push("cell:function cellFunc(",faceArgs.join(),"){");var facets=triangulateCube(dimension-1);code.push("if(p0){b.push(",facets.map(function(f){return"["+f.map(function(v){return"v"+v})+"]"}).join(),")}else{b.push(",facets.map(function(f){var e=f.slice();e.reverse();return"["+e.map(function(v){return"v"+v})+"]"}).join(),")}}});function ",funcName,"(array,level){var verts=[],cells=[];contour(array,verts,cells,level);return {positions:verts,cells:cells};} return ",funcName,";");for(var i=0;i<extraFuncs.length;++i){code.push(extraFuncs[i].join(""))}var proc=new Function("genContour",code.join(""));return proc(generateContourExtractor)}function mesh1D(array,level){var zc=zeroCrossings(array,level);var n=zc.length;var npos=new Array(n);var ncel=new Array(n);for(var i=0;i<n;++i){npos[i]=[zc[i]];ncel[i]=[i]}return{positions:npos,cells:ncel}}var CACHE={};function surfaceNets(array,level){if(array.dimension<=0){return{positions:[],cells:[]}}else if(array.dimension===1){return mesh1D(array,level)}var typesig=array.order.join()+"-"+array.dtype;var proc=CACHE[typesig];var level=+level||0;if(!proc){proc=CACHE[typesig]=buildSurfaceNets(array.order,array.dtype)}return proc(array,level)}},{"ndarray-extract-contour":76,"triangulate-hypercube":87,"zero-crossings":93}],95:[function(require,module,exports){module.exports={version:"1.3.3"}},{}],96:[function(require,module,exports){"use strict";var Node=function(p,t){this.point=p;this.triangle=t||null;this.next=null;this.prev=null;this.value=p.x};var AdvancingFront=function(head,tail){this.head_=head;
this.tail_=tail;this.search_node_=head};AdvancingFront.prototype.head=function(){return this.head_};AdvancingFront.prototype.setHead=function(node){this.head_=node};AdvancingFront.prototype.tail=function(){return this.tail_};AdvancingFront.prototype.setTail=function(node){this.tail_=node};AdvancingFront.prototype.search=function(){return this.search_node_};AdvancingFront.prototype.setSearch=function(node){this.search_node_=node};AdvancingFront.prototype.findSearchNode=function(){return this.search_node_};AdvancingFront.prototype.locateNode=function(x){var node=this.search_node_;if(x<node.value){while(node=node.prev){if(x>=node.value){this.search_node_=node;return node}}}else{while(node=node.next){if(x<node.value){this.search_node_=node.prev;return node.prev}}}return null};AdvancingFront.prototype.locatePoint=function(point){var px=point.x;var node=this.findSearchNode(px);var nx=node.point.x;if(px===nx){if(point!==node.point){if(point===node.prev.point){node=node.prev}else if(point===node.next.point){node=node.next}else{throw new Error("poly2tri Invalid AdvancingFront.locatePoint() call")}}}else if(px<nx){while(node=node.prev){if(point===node.point){break}}}else{while(node=node.next){if(point===node.point){break}}}if(node){this.search_node_=node}return node};module.exports=AdvancingFront;module.exports.Node=Node},{}],97:[function(require,module,exports){"use strict";var xy=require("./xy");var Point=function(x,y){this.x=+x||0;this.y=+y||0;this._p2t_edge_list=null};Point.prototype.toString=function(){return xy.toStringBase(this)};Point.prototype.clone=function(){return new Point(this.x,this.y)};Point.prototype.set_zero=function(){this.x=0;this.y=0;return this};Point.prototype.set=function(x,y){this.x=+x||0;this.y=+y||0;return this};Point.prototype.negate=function(){this.x=-this.x;this.y=-this.y;return this};Point.prototype.add=function(n){this.x+=n.x;this.y+=n.y;return this};Point.prototype.sub=function(n){this.x-=n.x;this.y-=n.y;return this};Point.prototype.mul=function(s){this.x*=s;this.y*=s;return this};Point.prototype.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)};Point.prototype.normalize=function(){var len=this.length();this.x/=len;this.y/=len;return len};Point.prototype.equals=function(p){return this.x===p.x&&this.y===p.y};Point.negate=function(p){return new Point(-p.x,-p.y)};Point.add=function(a,b){return new Point(a.x+b.x,a.y+b.y)};Point.sub=function(a,b){return new Point(a.x-b.x,a.y-b.y)};Point.mul=function(s,p){return new Point(s*p.x,s*p.y)};Point.cross=function(a,b){if(typeof a==="number"){if(typeof b==="number"){return a*b}else{return new Point(-a*b.y,a*b.x)}}else{if(typeof b==="number"){return new Point(b*a.y,-b*a.x)}else{return a.x*b.y-a.y*b.x}}};Point.toString=xy.toString;Point.compare=xy.compare;Point.cmp=xy.compare;Point.equals=xy.equals;Point.dot=function(a,b){return a.x*b.x+a.y*b.y};module.exports=Point},{"./xy":104}],98:[function(require,module,exports){"use strict";var xy=require("./xy");var PointError=function(message,points){this.name="PointError";this.points=points=points||[];this.message=message||"Invalid Points!";for(var i=0;i<points.length;i++){this.message+=" "+xy.toString(points[i])}};PointError.prototype=new Error;PointError.prototype.constructor=PointError;module.exports=PointError},{"./xy":104}],99:[function(require,module,exports){(function(global){"use strict";var previousPoly2tri=global.poly2tri;exports.noConflict=function(){global.poly2tri=previousPoly2tri;return exports};exports.VERSION=require("../dist/version.json").version;exports.PointError=require("./pointerror");exports.Point=require("./point");exports.Triangle=require("./triangle");exports.SweepContext=require("./sweepcontext");var sweep=require("./sweep");exports.triangulate=sweep.triangulate;exports.sweep={Triangulate:sweep.triangulate}}).call(this,typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"../dist/version.json":95,"./point":97,"./pointerror":98,"./sweep":100,"./sweepcontext":101,"./triangle":102}],100:[function(require,module,exports){"use strict";var PointError=require("./pointerror");var Triangle=require("./triangle");var Node=require("./advancingfront").Node;var utils=require("./utils");var PI_3div4=3*Math.PI/4;var PI_div2=Math.PI/2;var EPSILON=utils.EPSILON;var Orientation=utils.Orientation;var orient2d=utils.orient2d;var inScanArea=utils.inScanArea;function triangulate(tcx){tcx.initTriangulation();tcx.createAdvancingFront();sweepPoints(tcx);finalizationPolygon(tcx)}function sweepPoints(tcx){var i,len=tcx.pointCount();for(i=1;i<len;++i){var point=tcx.getPoint(i);var node=pointEvent(tcx,point);var edges=point._p2t_edge_list;for(var j=0;edges&&j<edges.length;++j){edgeEventByEdge(tcx,edges[j],node)}}}function finalizationPolygon(tcx){var t=tcx.front().head().next.triangle;var p=tcx.front().head().next.point;while(!t.getConstrainedEdgeCW(p)){t=t.neighborCCW(p)}tcx.meshClean(t)}function pointEvent(tcx,point){var node=tcx.locateNode(point);var new_node=newFrontTriangle(tcx,point,node);if(point.x<=node.point.x+EPSILON){fill(tcx,node)}fillAdvancingFront(tcx,new_node);return new_node}function edgeEventByEdge(tcx,edge,node){tcx.edge_event.constrained_edge=edge;tcx.edge_event.right=edge.p.x>edge.q.x;if(isEdgeSideOfTriangle(node.triangle,edge.p,edge.q)){return}fillEdgeEvent(tcx,edge,node);edgeEventByPoints(tcx,edge.p,edge.q,node.triangle,edge.q)}function edgeEventByPoints(tcx,ep,eq,triangle,point){if(isEdgeSideOfTriangle(triangle,ep,eq)){return}var p1=triangle.pointCCW(point);var o1=orient2d(eq,p1,ep);if(o1===Orientation.COLLINEAR){throw new PointError("poly2tri EdgeEvent: Collinear not supported!",[eq,p1,ep])}var p2=triangle.pointCW(point);var o2=orient2d(eq,p2,ep);if(o2===Orientation.COLLINEAR){throw new PointError("poly2tri EdgeEvent: Collinear not supported!",[eq,p2,ep])}if(o1===o2){if(o1===Orientation.CW){triangle=triangle.neighborCCW(point)}else{triangle=triangle.neighborCW(point)}edgeEventByPoints(tcx,ep,eq,triangle,point)}else{flipEdgeEvent(tcx,ep,eq,triangle,point)}}function isEdgeSideOfTriangle(triangle,ep,eq){var index=triangle.edgeIndex(ep,eq);if(index!==-1){triangle.markConstrainedEdgeByIndex(index);var t=triangle.getNeighbor(index);if(t){t.markConstrainedEdgeByPoints(ep,eq)}return true}return false}function newFrontTriangle(tcx,point,node){var triangle=new Triangle(point,node.point,node.next.point);triangle.markNeighbor(node.triangle);tcx.addToMap(triangle);var new_node=new Node(point);new_node.next=node.next;new_node.prev=node;node.next.prev=new_node;node.next=new_node;if(!legalize(tcx,triangle)){tcx.mapTriangleToNodes(triangle)}return new_node}function fill(tcx,node){var triangle=new Triangle(node.prev.point,node.point,node.next.point);triangle.markNeighbor(node.prev.triangle);triangle.markNeighbor(node.triangle);tcx.addToMap(triangle);node.prev.next=node.next;node.next.prev=node.prev;if(!legalize(tcx,triangle)){tcx.mapTriangleToNodes(triangle)}}function fillAdvancingFront(tcx,n){var node=n.next;var angle;while(node.next){angle=holeAngle(node);if(angle>PI_div2||angle<-PI_div2){break}fill(tcx,node);node=node.next}node=n.prev;while(node.prev){angle=holeAngle(node);if(angle>PI_div2||angle<-PI_div2){break}fill(tcx,node);node=node.prev}if(n.next&&n.next.next){angle=basinAngle(n);if(angle<PI_3div4){fillBasin(tcx,n)}}}function basinAngle(node){var ax=node.point.x-node.next.next.point.x;var ay=node.point.y-node.next.next.point.y;return Math.atan2(ay,ax)}function holeAngle(node){var ax=node.next.point.x-node.point.x;var ay=node.next.point.y-node.point.y;var bx=node.prev.point.x-node.point.x;var by=node.prev.point.y-node.point.y;return Math.atan2(ax*by-ay*bx,ax*bx+ay*by)}function legalize(tcx,t){for(var i=0;i<3;++i){if(t.delaunay_edge[i]){continue}var ot=t.getNeighbor(i);if(ot){var p=t.getPoint(i);var op=ot.oppositePoint(t,p);var oi=ot.index(op);if(ot.constrained_edge[oi]||ot.delaunay_edge[oi]){t.constrained_edge[i]=ot.constrained_edge[oi];continue}var inside=inCircle(p,t.pointCCW(p),t.pointCW(p),op);if(inside){t.delaunay_edge[i]=true;ot.delaunay_edge[oi]=true;rotateTrianglePair(t,p,ot,op);var not_legalized=!legalize(tcx,t);if(not_legalized){tcx.mapTriangleToNodes(t)}not_legalized=!legalize(tcx,ot);if(not_legalized){tcx.mapTriangleToNodes(ot)}t.delaunay_edge[i]=false;ot.delaunay_edge[oi]=false;return true}}}return false}function inCircle(pa,pb,pc,pd){var adx=pa.x-pd.x;var ady=pa.y-pd.y;var bdx=pb.x-pd.x;var bdy=pb.y-pd.y;var adxbdy=adx*bdy;var bdxady=bdx*ady;var oabd=adxbdy-bdxady;if(oabd<=0){return false}var cdx=pc.x-pd.x;var cdy=pc.y-pd.y;var cdxady=cdx*ady;var adxcdy=adx*cdy;var ocad=cdxady-adxcdy;if(ocad<=0){return false}var bdxcdy=bdx*cdy;var cdxbdy=cdx*bdy;var alift=adx*adx+ady*ady;var blift=bdx*bdx+bdy*bdy;var clift=cdx*cdx+cdy*cdy;var det=alift*(bdxcdy-cdxbdy)+blift*ocad+clift*oabd;return det>0}function rotateTrianglePair(t,p,ot,op){var n1,n2,n3,n4;n1=t.neighborCCW(p);n2=t.neighborCW(p);n3=ot.neighborCCW(op);n4=ot.neighborCW(op);var ce1,ce2,ce3,ce4;ce1=t.getConstrainedEdgeCCW(p);ce2=t.getConstrainedEdgeCW(p);ce3=ot.getConstrainedEdgeCCW(op);ce4=ot.getConstrainedEdgeCW(op);var de1,de2,de3,de4;de1=t.getDelaunayEdgeCCW(p);de2=t.getDelaunayEdgeCW(p);de3=ot.getDelaunayEdgeCCW(op);de4=ot.getDelaunayEdgeCW(op);t.legalize(p,op);ot.legalize(op,p);ot.setDelaunayEdgeCCW(p,de1);t.setDelaunayEdgeCW(p,de2);t.setDelaunayEdgeCCW(op,de3);ot.setDelaunayEdgeCW(op,de4);ot.setConstrainedEdgeCCW(p,ce1);t.setConstrainedEdgeCW(p,ce2);t.setConstrainedEdgeCCW(op,ce3);ot.setConstrainedEdgeCW(op,ce4);t.clearNeigbors();ot.clearNeigbors();if(n1){ot.markNeighbor(n1)}if(n2){t.markNeighbor(n2)}if(n3){t.markNeighbor(n3)}if(n4){ot.markNeighbor(n4)}t.markNeighbor(ot)}function fillBasin(tcx,node){if(orient2d(node.point,node.next.point,node.next.next.point)===Orientation.CCW){tcx.basin.left_node=node.next.next}else{tcx.basin.left_node=node.next}tcx.basin.bottom_node=tcx.basin.left_node;while(tcx.basin.bottom_node.next&&tcx.basin.bottom_node.point.y>=tcx.basin.bottom_node.next.point.y){tcx.basin.bottom_node=tcx.basin.bottom_node.next}if(tcx.basin.bottom_node===tcx.basin.left_node){return}tcx.basin.right_node=tcx.basin.bottom_node;while(tcx.basin.right_node.next&&tcx.basin.right_node.point.y<tcx.basin.right_node.next.point.y){tcx.basin.right_node=tcx.basin.right_node.next}if(tcx.basin.right_node===tcx.basin.bottom_node){return}tcx.basin.width=tcx.basin.right_node.point.x-tcx.basin.left_node.point.x;tcx.basin.left_highest=tcx.basin.left_node.point.y>tcx.basin.right_node.point.y;fillBasinReq(tcx,tcx.basin.bottom_node)}function fillBasinReq(tcx,node){if(isShallow(tcx,node)){return}fill(tcx,node);var o;if(node.prev===tcx.basin.left_node&&node.next===tcx.basin.right_node){return}else if(node.prev===tcx.basin.left_node){o=orient2d(node.point,node.next.point,node.next.next.point);if(o===Orientation.CW){return}node=node.next}else if(node.next===tcx.basin.right_node){o=orient2d(node.point,node.prev.point,node.prev.prev.point);if(o===Orientation.CCW){return}node=node.prev}else{if(node.prev.point.y<node.next.point.y){node=node.prev}else{node=node.next}}fillBasinReq(tcx,node)}function isShallow(tcx,node){var height;if(tcx.basin.left_highest){height=tcx.basin.left_node.point.y-node.point.y}else{height=tcx.basin.right_node.point.y-node.point.y}if(tcx.basin.width>height){return true}return false}function fillEdgeEvent(tcx,edge,node){if(tcx.edge_event.right){fillRightAboveEdgeEvent(tcx,edge,node)}else{fillLeftAboveEdgeEvent(tcx,edge,node)}}function fillRightAboveEdgeEvent(tcx,edge,node){while(node.next.point.x<edge.p.x){if(orient2d(edge.q,node.next.point,edge.p)===Orientation.CCW){fillRightBelowEdgeEvent(tcx,edge,node)}else{node=node.next}}}function fillRightBelowEdgeEvent(tcx,edge,node){if(node.point.x<edge.p.x){if(orient2d(node.point,node.next.point,node.next.next.point)===Orientation.CCW){fillRightConcaveEdgeEvent(tcx,edge,node)}else{fillRightConvexEdgeEvent(tcx,edge,node);fillRightBelowEdgeEvent(tcx,edge,node)}}}function fillRightConcaveEdgeEvent(tcx,edge,node){fill(tcx,node.next);if(node.next.point!==edge.p){if(orient2d(edge.q,node.next.point,edge.p)===Orientation.CCW){if(orient2d(node.point,node.next.point,node.next.next.point)===Orientation.CCW){fillRightConcaveEdgeEvent(tcx,edge,node)}else{}}}}function fillRightConvexEdgeEvent(tcx,edge,node){if(orient2d(node.next.point,node.next.next.point,node.next.next.next.point)===Orientation.CCW){fillRightConcaveEdgeEvent(tcx,edge,node.next)}else{if(orient2d(edge.q,node.next.next.point,edge.p)===Orientation.CCW){fillRightConvexEdgeEvent(tcx,edge,node.next)}else{}}}function fillLeftAboveEdgeEvent(tcx,edge,node){while(node.prev.point.x>edge.p.x){if(orient2d(edge.q,node.prev.point,edge.p)===Orientation.CW){fillLeftBelowEdgeEvent(tcx,edge,node)}else{node=node.prev}}}function fillLeftBelowEdgeEvent(tcx,edge,node){if(node.point.x>edge.p.x){if(orient2d(node.point,node.prev.point,node.prev.prev.point)===Orientation.CW){fillLeftConcaveEdgeEvent(tcx,edge,node)}else{fillLeftConvexEdgeEvent(tcx,edge,node);fillLeftBelowEdgeEvent(tcx,edge,node)}}}function fillLeftConvexEdgeEvent(tcx,edge,node){if(orient2d(node.prev.point,node.prev.prev.point,node.prev.prev.prev.point)===Orientation.CW){fillLeftConcaveEdgeEvent(tcx,edge,node.prev)}else{if(orient2d(edge.q,node.prev.prev.point,edge.p)===Orientation.CW){fillLeftConvexEdgeEvent(tcx,edge,node.prev)}else{}}}function fillLeftConcaveEdgeEvent(tcx,edge,node){fill(tcx,node.prev);if(node.prev.point!==edge.p){if(orient2d(edge.q,node.prev.point,edge.p)===Orientation.CW){if(orient2d(node.point,node.prev.point,node.prev.prev.point)===Orientation.CW){fillLeftConcaveEdgeEvent(tcx,edge,node)}else{}}}}function flipEdgeEvent(tcx,ep,eq,t,p){var ot=t.neighborAcross(p);if(!ot){throw new Error("poly2tri [BUG:FIXME] FLIP failed due to missing triangle!")}var op=ot.oppositePoint(t,p);if(t.getConstrainedEdgeAcross(p)){var index=t.index(p);throw new PointError("poly2tri Intersecting Constraints",[p,op,t.getPoint((index+1)%3),t.getPoint((index+2)%3)])}if(inScanArea(p,t.pointCCW(p),t.pointCW(p),op)){rotateTrianglePair(t,p,ot,op);tcx.mapTriangleToNodes(t);tcx.mapTriangleToNodes(ot);if(p===eq&&op===ep){if(eq===tcx.edge_event.constrained_edge.q&&ep===tcx.edge_event.constrained_edge.p){t.markConstrainedEdgeByPoints(ep,eq);ot.markConstrainedEdgeByPoints(ep,eq);legalize(tcx,t);legalize(tcx,ot)}else{}}else{var o=orient2d(eq,op,ep);t=nextFlipTriangle(tcx,o,t,ot,p,op);flipEdgeEvent(tcx,ep,eq,t,p)}}else{var newP=nextFlipPoint(ep,eq,ot,op);flipScanEdgeEvent(tcx,ep,eq,t,ot,newP);edgeEventByPoints(tcx,ep,eq,t,p)}}function nextFlipTriangle(tcx,o,t,ot,p,op){var edge_index;if(o===Orientation.CCW){edge_index=ot.edgeIndex(p,op);ot.delaunay_edge[edge_index]=true;legalize(tcx,ot);ot.clearDelunayEdges();return t}edge_index=t.edgeIndex(p,op);t.delaunay_edge[edge_index]=true;legalize(tcx,t);t.clearDelunayEdges();return ot}function nextFlipPoint(ep,eq,ot,op){var o2d=orient2d(eq,op,ep);if(o2d===Orientation.CW){return ot.pointCCW(op)}else if(o2d===Orientation.CCW){return ot.pointCW(op)}else{throw new PointError("poly2tri [Unsupported] nextFlipPoint: opposing point on constrained edge!",[eq,op,ep])}}function flipScanEdgeEvent(tcx,ep,eq,flip_triangle,t,p){var ot=t.neighborAcross(p);if(!ot){throw new Error("poly2tri [BUG:FIXME] FLIP failed due to missing triangle")}var op=ot.oppositePoint(t,p);if(inScanArea(eq,flip_triangle.pointCCW(eq),flip_triangle.pointCW(eq),op)){flipEdgeEvent(tcx,eq,op,ot,op)}else{var newP=nextFlipPoint(ep,eq,ot,op);flipScanEdgeEvent(tcx,ep,eq,flip_triangle,ot,newP)}}exports.triangulate=triangulate},{"./advancingfront":96,"./pointerror":98,"./triangle":102,"./utils":103}],101:[function(require,module,exports){"use strict";var PointError=require("./pointerror");var Point=require("./point");var Triangle=require("./triangle");var sweep=require("./sweep");var AdvancingFront=require("./advancingfront");var Node=AdvancingFront.Node;var kAlpha=.3;var Edge=function(p1,p2){this.p=p1;this.q=p2;if(p1.y>p2.y){this.q=p1;this.p=p2}else if(p1.y===p2.y){if(p1.x>p2.x){this.q=p1;this.p=p2}else if(p1.x===p2.x){throw new PointError("poly2tri Invalid Edge constructor: repeated points!",[p1])}}if(!this.q._p2t_edge_list){this.q._p2t_edge_list=[]}this.q._p2t_edge_list.push(this)};var Basin=function(){this.left_node=null;this.bottom_node=null;this.right_node=null;this.width=0;this.left_highest=false};Basin.prototype.clear=function(){this.left_node=null;this.bottom_node=null;this.right_node=null;this.width=0;this.left_highest=false};var EdgeEvent=function(){this.constrained_edge=null;this.right=false};var SweepContext=function(contour,options){options=options||{};this.triangles_=[];this.map_=[];this.points_=options.cloneArrays?contour.slice(0):contour;this.edge_list=[];this.pmin_=this.pmax_=null;this.front_=null;this.head_=null;this.tail_=null;this.af_head_=null;this.af_middle_=null;this.af_tail_=null;this.basin=new Basin;this.edge_event=new EdgeEvent;this.initEdges(this.points_)};SweepContext.prototype.addHole=function(polyline){this.initEdges(polyline);var i,len=polyline.length;for(i=0;i<len;i++){this.points_.push(polyline[i])}return this};SweepContext.prototype.AddHole=SweepContext.prototype.addHole;SweepContext.prototype.addPoint=function(point){this.points_.push(point);return this};SweepContext.prototype.AddPoint=SweepContext.prototype.addPoint;SweepContext.prototype.addPoints=function(points){this.points_=this.points_.concat(points);return this};SweepContext.prototype.triangulate=function(){sweep.triangulate(this);return this};SweepContext.prototype.getBoundingBox=function(){return{min:this.pmin_,max:this.pmax_}};SweepContext.prototype.getTriangles=function(){return this.triangles_};SweepContext.prototype.GetTriangles=SweepContext.prototype.getTriangles;SweepContext.prototype.front=function(){return this.front_};SweepContext.prototype.pointCount=function(){return this.points_.length};SweepContext.prototype.head=function(){return this.head_};SweepContext.prototype.setHead=function(p1){this.head_=p1};SweepContext.prototype.tail=function(){return this.tail_};SweepContext.prototype.setTail=function(p1){this.tail_=p1};SweepContext.prototype.getMap=function(){return this.map_};SweepContext.prototype.initTriangulation=function(){var xmax=this.points_[0].x;var xmin=this.points_[0].x;var ymax=this.points_[0].y;var ymin=this.points_[0].y;var i,len=this.points_.length;for(i=1;i<len;i++){var p=this.points_[i];p.x>xmax&&(xmax=p.x);p.x<xmin&&(xmin=p.x);p.y>ymax&&(ymax=p.y);p.y<ymin&&(ymin=p.y)}this.pmin_=new Point(xmin,ymin);this.pmax_=new Point(xmax,ymax);var dx=kAlpha*(xmax-xmin);var dy=kAlpha*(ymax-ymin);this.head_=new Point(xmax+dx,ymin-dy);this.tail_=new Point(xmin-dx,ymin-dy);this.points_.sort(Point.compare)};SweepContext.prototype.initEdges=function(polyline){var i,len=polyline.length;for(i=0;i<len;++i){this.edge_list.push(new Edge(polyline[i],polyline[(i+1)%len]))}};SweepContext.prototype.getPoint=function(index){return this.points_[index]};SweepContext.prototype.addToMap=function(triangle){this.map_.push(triangle)};SweepContext.prototype.locateNode=function(point){return this.front_.locateNode(point.x)};SweepContext.prototype.createAdvancingFront=function(){var head;var middle;var tail;var triangle=new Triangle(this.points_[0],this.tail_,this.head_);this.map_.push(triangle);head=new Node(triangle.getPoint(1),triangle);middle=new Node(triangle.getPoint(0),triangle);tail=new Node(triangle.getPoint(2));this.front_=new AdvancingFront(head,tail);head.next=middle;middle.next=tail;middle.prev=head;tail.prev=middle};SweepContext.prototype.removeNode=function(node){};SweepContext.prototype.mapTriangleToNodes=function(t){for(var i=0;i<3;++i){if(!t.getNeighbor(i)){var n=this.front_.locatePoint(t.pointCW(t.getPoint(i)));if(n){n.triangle=t}}}};SweepContext.prototype.removeFromMap=function(triangle){var i,map=this.map_,len=map.length;for(i=0;i<len;i++){if(map[i]===triangle){map.splice(i,1);break}}};SweepContext.prototype.meshClean=function(triangle){var triangles=[triangle],t,i;while(t=triangles.pop()){if(!t.isInterior()){t.setInterior(true);this.triangles_.push(t);for(i=0;i<3;i++){if(!t.constrained_edge[i]){triangles.push(t.getNeighbor(i))}}}}};module.exports=SweepContext},{"./advancingfront":96,"./point":97,"./pointerror":98,"./sweep":100,"./triangle":102}],102:[function(require,module,exports){"use strict";var xy=require("./xy");var Triangle=function(a,b,c){this.points_=[a,b,c];this.neighbors_=[null,null,null];this.interior_=false;this.constrained_edge=[false,false,false];this.delaunay_edge=[false,false,false]};var p2s=xy.toString;Triangle.prototype.toString=function(){return"["+p2s(this.points_[0])+p2s(this.points_[1])+p2s(this.points_[2])+"]"};Triangle.prototype.getPoint=function(index){return this.points_[index]};Triangle.prototype.GetPoint=Triangle.prototype.getPoint;Triangle.prototype.getPoints=function(){return this.points_};Triangle.prototype.getNeighbor=function(index){return this.neighbors_[index]};Triangle.prototype.containsPoint=function(point){var points=this.points_;return point===points[0]||point===points[1]||point===points[2]};Triangle.prototype.containsEdge=function(edge){return this.containsPoint(edge.p)&&this.containsPoint(edge.q)};Triangle.prototype.containsPoints=function(p1,p2){return this.containsPoint(p1)&&this.containsPoint(p2)};Triangle.prototype.isInterior=function(){return this.interior_};Triangle.prototype.setInterior=function(interior){this.interior_=interior;return this};Triangle.prototype.markNeighborPointers=function(p1,p2,t){var points=this.points_;if(p1===points[2]&&p2===points[1]||p1===points[1]&&p2===points[2]){this.neighbors_[0]=t}else if(p1===points[0]&&p2===points[2]||p1===points[2]&&p2===points[0]){this.neighbors_[1]=t}else if(p1===points[0]&&p2===points[1]||p1===points[1]&&p2===points[0]){this.neighbors_[2]=t}else{throw new Error("poly2tri Invalid Triangle.markNeighborPointers() call")}};Triangle.prototype.markNeighbor=function(t){var points=this.points_;if(t.containsPoints(points[1],points[2])){this.neighbors_[0]=t;t.markNeighborPointers(points[1],points[2],this)}else if(t.containsPoints(points[0],points[2])){this.neighbors_[1]=t;t.markNeighborPointers(points[0],points[2],this)}else if(t.containsPoints(points[0],points[1])){this.neighbors_[2]=t;t.markNeighborPointers(points[0],points[1],this)}};Triangle.prototype.clearNeigbors=function(){this.neighbors_[0]=null;this.neighbors_[1]=null;this.neighbors_[2]=null};Triangle.prototype.clearDelunayEdges=function(){this.delaunay_edge[0]=false;this.delaunay_edge[1]=false;this.delaunay_edge[2]=false};Triangle.prototype.pointCW=function(p){var points=this.points_;if(p===points[0]){return points[2]}else if(p===points[1]){return points[0]}else if(p===points[2]){return points[1]}else{return null}};Triangle.prototype.pointCCW=function(p){var points=this.points_;if(p===points[0]){return points[1]}else if(p===points[1]){return points[2]}else if(p===points[2]){return points[0]}else{return null}};Triangle.prototype.neighborCW=function(p){if(p===this.points_[0]){return this.neighbors_[1]}else if(p===this.points_[1]){return this.neighbors_[2]}else{return this.neighbors_[0]}};Triangle.prototype.neighborCCW=function(p){if(p===this.points_[0]){return this.neighbors_[2]}else if(p===this.points_[1]){return this.neighbors_[0]}else{return this.neighbors_[1]}};Triangle.prototype.getConstrainedEdgeCW=function(p){if(p===this.points_[0]){return this.constrained_edge[1]}else if(p===this.points_[1]){return this.constrained_edge[2]}else{return this.constrained_edge[0]}};Triangle.prototype.getConstrainedEdgeCCW=function(p){if(p===this.points_[0]){return this.constrained_edge[2]}else if(p===this.points_[1]){return this.constrained_edge[0]}else{return this.constrained_edge[1]}};Triangle.prototype.getConstrainedEdgeAcross=function(p){if(p===this.points_[0]){return this.constrained_edge[0]}else if(p===this.points_[1]){return this.constrained_edge[1]}else{return this.constrained_edge[2]}};Triangle.prototype.setConstrainedEdgeCW=function(p,ce){if(p===this.points_[0]){this.constrained_edge[1]=ce}else if(p===this.points_[1]){this.constrained_edge[2]=ce}else{this.constrained_edge[0]=ce}};Triangle.prototype.setConstrainedEdgeCCW=function(p,ce){if(p===this.points_[0]){this.constrained_edge[2]=ce}else if(p===this.points_[1]){this.constrained_edge[0]=ce}else{this.constrained_edge[1]=ce}};Triangle.prototype.getDelaunayEdgeCW=function(p){if(p===this.points_[0]){return this.delaunay_edge[1]}else if(p===this.points_[1]){return this.delaunay_edge[2]}else{return this.delaunay_edge[0]}};Triangle.prototype.getDelaunayEdgeCCW=function(p){if(p===this.points_[0]){return this.delaunay_edge[2]}else if(p===this.points_[1]){return this.delaunay_edge[0]}else{return this.delaunay_edge[1]}};Triangle.prototype.setDelaunayEdgeCW=function(p,e){if(p===this.points_[0]){this.delaunay_edge[1]=e}else if(p===this.points_[1]){this.delaunay_edge[2]=e}else{this.delaunay_edge[0]=e}};Triangle.prototype.setDelaunayEdgeCCW=function(p,e){if(p===this.points_[0]){this.delaunay_edge[2]=e}else if(p===this.points_[1]){this.delaunay_edge[0]=e}else{this.delaunay_edge[1]=e}};Triangle.prototype.neighborAcross=function(p){if(p===this.points_[0]){return this.neighbors_[0]}else if(p===this.points_[1]){return this.neighbors_[1]}else{return this.neighbors_[2]}};Triangle.prototype.oppositePoint=function(t,p){var cw=t.pointCW(p);return this.pointCW(cw)};Triangle.prototype.legalize=function(opoint,npoint){var points=this.points_;if(opoint===points[0]){points[1]=points[0];points[0]=points[2];points[2]=npoint}else if(opoint===points[1]){points[2]=points[1];points[1]=points[0];points[0]=npoint}else if(opoint===points[2]){points[0]=points[2];points[2]=points[1];points[1]=npoint}else{throw new Error("poly2tri Invalid Triangle.legalize() call")}};Triangle.prototype.index=function(p){var points=this.points_;if(p===points[0]){return 0}else if(p===points[1]){return 1}else if(p===points[2]){return 2}else{throw new Error("poly2tri Invalid Triangle.index() call")}};Triangle.prototype.edgeIndex=function(p1,p2){var points=this.points_;if(p1===points[0]){if(p2===points[1]){return 2}else if(p2===points[2]){return 1}}else if(p1===points[1]){if(p2===points[2]){return 0}else if(p2===points[0]){return 2}}else if(p1===points[2]){if(p2===points[0]){return 1}else if(p2===points[1]){return 0}}return-1};Triangle.prototype.markConstrainedEdgeByIndex=function(index){this.constrained_edge[index]=true};Triangle.prototype.markConstrainedEdgeByEdge=function(edge){this.markConstrainedEdgeByPoints(edge.p,edge.q)};Triangle.prototype.markConstrainedEdgeByPoints=function(p,q){var points=this.points_;if(q===points[0]&&p===points[1]||q===points[1]&&p===points[0]){this.constrained_edge[2]=true}else if(q===points[0]&&p===points[2]||q===points[2]&&p===points[0]){this.constrained_edge[1]=true}else if(q===points[1]&&p===points[2]||q===points[2]&&p===points[1]){this.constrained_edge[0]=true}};module.exports=Triangle},{"./xy":104}],103:[function(require,module,exports){"use strict";var EPSILON=1e-12;var Orientation={CW:1,CCW:-1,COLLINEAR:0};function orient2d(pa,pb,pc){var detleft=(pa.x-pc.x)*(pb.y-pc.y);var detright=(pa.y-pc.y)*(pb.x-pc.x);var val=detleft-detright;if(val>-EPSILON&&val<EPSILON){return Orientation.COLLINEAR}else if(val>0){return Orientation.CCW}else{return Orientation.CW}}function inScanArea(pa,pb,pc,pd){var oadb=(pa.x-pb.x)*(pd.y-pb.y)-(pd.x-pb.x)*(pa.y-pb.y);if(oadb>=-EPSILON){return false}var oadc=(pa.x-pc.x)*(pd.y-pc.y)-(pd.x-pc.x)*(pa.y-pc.y);if(oadc<=EPSILON){return false}return true}module.exports={EPSILON:EPSILON,Orientation:Orientation,orient2d:orient2d,inScanArea:inScanArea}},{}],104:[function(require,module,exports){"use strict";function toStringBase(p){return"("+p.x+";"+p.y+")"}function toString(p){var s=p.toString();return s==="[object Object]"?toStringBase(p):s}function compare(a,b){if(a.y===b.y){return a.x-b.x}else{return a.y-b.y}}function equals(a,b){return a.x===b.x&&a.y===b.y}module.exports={toString:toString,toStringBase:toStringBase,compare:compare,equals:equals}},{}],105:[function(require,module,exports){"use strict";module.exports=triangulatePolyline;var poly2tri=require("poly2tri");function PointWrapper(x,y,idx){this.x=x;this.y=y;this.idx=idx}function triangulatePolyline(loops,positions){function convertLoop(loop){return loop.map(function(v){var p=positions[v];return new PointWrapper(p[0],p[1],v)})}var numLoops=loops.length;var outerLoop=0;var outerPoint=positions[loops[0][0]];for(var i=0;i<numLoops;++i){var loop=loops[i];var n=loop.length;for(var j=0;j<n;++j){var p=positions[loop[j]];var d=p[1]-outerPoint[1];if(d===0){d=p[0]-outerPoint[0]}if(d<0){outerPoint=p;outerLoop=i}}}var ctx=new poly2tri.SweepContext(convertLoop(loops[outerLoop]));for(var i=0;i<numLoops;++i){if(i===outerLoop){continue}ctx.addHole(convertLoop(loops[i]))}ctx.triangulate();var triangles=ctx.getTriangles();return triangles.map(function(tri){return[tri.getPoint(0).idx,tri.getPoint(1).idx,tri.getPoint(2).idx]})}},{poly2tri:99}]},{},[]);require=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);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.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}({"0QExjN":[function(require,module,exports){(function(){"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{shim.exports=window}}else{shim.exports=exports}(function(exports){if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}if(!GLMAT_ARRAY_TYPE){var GLMAT_ARRAY_TYPE=typeof Float32Array!=="undefined"?Float32Array:Array}var glMatrix={};glMatrix.setMatrixArrayType=function(type){GLMAT_ARRAY_TYPE=type};if(typeof exports!=="undefined"){exports.glMatrix=glMatrix}var vec2={};vec2.create=function(){var out=new GLMAT_ARRAY_TYPE(2);out[0]=0;out[1]=0;return out};vec2.clone=function(a){var out=new GLMAT_ARRAY_TYPE(2);out[0]=a[0];out[1]=a[1];return out};vec2.fromValues=function(x,y){var out=new GLMAT_ARRAY_TYPE(2);out[0]=x;out[1]=y;return out};vec2.copy=function(out,a){out[0]=a[0];out[1]=a[1];return out};vec2.set=function(out,x,y){out[0]=x;out[1]=y;return out};vec2.add=function(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];return out};vec2.subtract=function(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];return out};vec2.sub=vec2.subtract;vec2.multiply=function(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];return out};vec2.mul=vec2.multiply;vec2.divide=function(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];return out};vec2.div=vec2.divide;vec2.min=function(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);return 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};vec2.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;return out};vec2.distance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return Math.sqrt(x*x+y*y)};vec2.dist=vec2.distance;vec2.squaredDistance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return x*x+y*y};vec2.sqrDist=vec2.squaredDistance;vec2.length=function(a){var x=a[0],y=a[1];return Math.sqrt(x*x+y*y)};vec2.len=vec2.length;vec2.squaredLength=function(a){var x=a[0],y=a[1];return x*x+y*y};vec2.sqrLen=vec2.squaredLength;vec2.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];return out};vec2.normalize=function(out,a){var x=a[0],y=a[1];var len=x*x+y*y;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len}return out};vec2.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]};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};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};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};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};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};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};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}}();vec2.str=function(a){return"vec2("+a[0]+", "+a[1]+")"};if(typeof exports!=="undefined"){exports.vec2=vec2}var vec3={};vec3.create=function(){var out=new GLMAT_ARRAY_TYPE(3);out[0]=0;out[1]=0;out[2]=0;return out};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};vec3.fromValues=function(x,y,z){var out=new GLMAT_ARRAY_TYPE(3);out[0]=x;out[1]=y;out[2]=z;return out};vec3.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];return out};vec3.set=function(out,x,y,z){out[0]=x;out[1]=y;out[2]=z;return 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};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};vec3.sub=vec3.subtract;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};vec3.mul=vec3.multiply;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};vec3.div=vec3.divide;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};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};vec3.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;return out};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)};vec3.dist=vec3.distance;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};vec3.sqrDist=vec3.squaredDistance;vec3.length=function(a){var x=a[0],y=a[1],z=a[2];return Math.sqrt(x*x+y*y+z*z)};vec3.len=vec3.length;vec3.squaredLength=function(a){var x=a[0],y=a[1],z=a[2];return x*x+y*y+z*z};vec3.sqrLen=vec3.squaredLength;vec3.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];return 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){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len}return out};vec3.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]};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};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};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};vec3.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],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;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};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}}();vec3.str=function(a){return"vec3("+a[0]+", "+a[1]+", "+a[2]+")"};if(typeof exports!=="undefined"){exports.vec3=vec3}var vec4={};vec4.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=0;return out};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};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};vec4.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};vec4.set=function(out,x,y,z,w){out[0]=x;out[1]=y;out[2]=z;out[3]=w;return 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};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};vec4.sub=vec4.subtract;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};vec4.mul=vec4.multiply;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};vec4.div=vec4.divide;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};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};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};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)};vec4.dist=vec4.distance;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};vec4.sqrDist=vec4.squaredDistance;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)};vec4.len=vec4.length;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};vec4.sqrLen=vec4.squaredLength;vec4.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=-a[3];return 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};vec4.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]};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};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};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],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;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};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}}();vec4.str=function(a){return"vec4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.vec4=vec4}var mat2={};var mat2Identity=new Float32Array([1,0,0,1]);mat2.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};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};mat2.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};mat2.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};mat2.transpose=function(out,a){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};mat2.invert=function(out,a){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],det=a0*a3-a2*a1;if(!det){return null}det=1/det;out[0]=a3*det;out[1]=-a1*det;out[2]=-a2*det;out[3]=a0*det;return out};mat2.adjoint=function(out,a){var a0=a[0];out[0]=a[3];out[1]=-a[1];out[2]=-a[2];out[3]=a0;return out};mat2.determinant=function(a){return a[0]*a[3]-a[2]*a[1]};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+a1*b2;out[1]=a0*b1+a1*b3;out[2]=a2*b0+a3*b2;out[3]=a2*b1+a3*b3;return out};mat2.mul=mat2.multiply;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+a1*s;out[1]=a0*-s+a1*c;out[2]=a2*c+a3*s;out[3]=a2*-s+a3*c;return 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*v1;out[2]=a2*v0;out[3]=a3*v1;return out};mat2.str=function(a){return"mat2("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.mat2=mat2}var mat2d={};var mat2dIdentity=new Float32Array([1,0,0,1,0,0]);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};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};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};mat2d.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;out[4]=0;out[5]=0;return 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/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};mat2d.determinant=function(a){return a[0]*a[3]-a[1]*a[2]};mat2d.multiply=function(out,a,b){var aa=a[0],ab=a[1],ac=a[2],ad=a[3],atx=a[4],aty=a[5],ba=b[0],bb=b[1],bc=b[2],bd=b[3],btx=b[4],bty=b[5];out[0]=aa*ba+ab*bc;out[1]=aa*bb+ab*bd;out[2]=ac*ba+ad*bc;out[3]=ac*bb+ad*bd;out[4]=ba*atx+bc*aty+btx;out[5]=bb*atx+bd*aty+bty;return out};mat2d.mul=mat2d.multiply;mat2d.rotate=function(out,a,rad){var aa=a[0],ab=a[1],ac=a[2],ad=a[3],atx=a[4],aty=a[5],st=Math.sin(rad),ct=Math.cos(rad);out[0]=aa*ct+ab*st;out[1]=-aa*st+ab*ct;out[2]=ac*ct+ad*st;out[3]=-ac*st+ct*ad;out[4]=ct*atx+st*aty;out[5]=ct*aty-st*atx;return out};mat2d.scale=function(out,a,v){var vx=v[0],vy=v[1];out[0]=a[0]*vx;out[1]=a[1]*vy;out[2]=a[2]*vx;out[3]=a[3]*vy;out[4]=a[4]*vx;out[5]=a[5]*vy;return out};mat2d.translate=function(out,a,v){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4]+v[0];out[5]=a[5]+v[1];return out};mat2d.str=function(a){return"mat2d("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+")"};if(typeof exports!=="undefined"){exports.mat2d=mat2d}var mat3={};var mat3Identity=new Float32Array([1,0,0,0,1,0,0,0,1]);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};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};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};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};mat3.transpose=function(out,a){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};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,det=a00*b01+a01*b11+a02*b21;if(!det){return null}det=1/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};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};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)};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};mat3.mul=mat3.multiply;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};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};mat3.scale=function(out,a,v){var x=v[0],y=v[2];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};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};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,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]=xy-wz;out[4]=1-(xx+zz);out[5]=yz+wx;out[6]=xz+wy;out[7]=yz-wx;out[8]=1-(xx+yy);return out};mat3.str=function(a){return"mat3("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+")"};if(typeof exports!=="undefined"){exports.mat3=mat3}var mat4={};var mat4Identity=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);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};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};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};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};mat4.transpose=function(out,a){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};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,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/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};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};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;return b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06};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];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};mat4.mul=mat4.multiply;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};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};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];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;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){out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}return 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){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]}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};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){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]}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};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){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]}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};mat4.fromRotationTranslation=function(out,q,v){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,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]=0;out[13]=0;out[14]=0;out[15]=1;return 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};mat4.perspective=function(out,fovy,aspect,near,far){var f=1/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};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};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};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]+")"};if(typeof exports!=="undefined"){exports.mat4=mat4}var quat={};var quatIdentity=new Float32Array([0,0,0,1]);quat.create=function(){var out=new GLMAT_ARRAY_TYPE(4);out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.clone=vec4.clone;quat.fromValues=vec4.fromValues;quat.copy=vec4.copy;quat.set=vec4.set;quat.identity=function(out){out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.setAxisAngle=function(out,axis,rad){rad=rad*.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};quat.add=vec4.add;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};quat.mul=quat.multiply;quat.scale=vec4.scale;quat.rotateX=function(out,a,rad){rad*=.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};quat.rotateY=function(out,a,rad){rad*=.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};quat.rotateZ=function(out,a,rad){rad*=.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};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-x*x-y*y-z*z));return out};quat.dot=vec4.dot;quat.lerp=vec4.lerp;quat.slerp=function(out,a,b,t){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 cosHalfTheta=ax*bx+ay*by+az*bz+aw*bw,halfTheta,sinHalfTheta,ratioA,ratioB;if(Math.abs(cosHalfTheta)>=1){if(out!==a){out[0]=ax;out[1]=ay;out[2]=az;out[3]=aw}return out}halfTheta=Math.acos(cosHalfTheta);sinHalfTheta=Math.sqrt(1-cosHalfTheta*cosHalfTheta);if(Math.abs(sinHalfTheta)<.001){out[0]=ax*.5+bx*.5;out[1]=ay*.5+by*.5;out[2]=az*.5+bz*.5;out[3]=aw*.5+bw*.5;return out}ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta;ratioB=Math.sin(t*halfTheta)/sinHalfTheta;out[0]=ax*ratioA+bx*ratioB;out[1]=ay*ratioA+by*ratioB;out[2]=az*ratioA+bz*ratioB;out[3]=aw*ratioA+bw*ratioB;return 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/dot:0;out[0]=-a0*invDot;out[1]=-a1*invDot;out[2]=-a2*invDot;out[3]=a3*invDot;return out};quat.conjugate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=a[3];return out};quat.length=vec4.length;quat.len=quat.length;quat.squaredLength=vec4.squaredLength;quat.sqrLen=quat.squaredLength;quat.normalize=vec4.normalize;quat.fromMat3=function(){var s_iNext=[1,2,0];return function(out,m){var fTrace=m[0]+m[4]+m[8];var fRoot;if(fTrace>0){fRoot=Math.sqrt(fTrace+1);out[3]=.5*fRoot;fRoot=.5/fRoot;out[0]=(m[7]-m[5])*fRoot;out[1]=(m[2]-m[6])*fRoot;out[2]=(m[3]-m[1])*fRoot}else{var i=0;if(m[4]>m[0])i=1;if(m[8]>m[i*3+i])i=2;var j=s_iNext[i];var k=s_iNext[j];fRoot=Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k]+1);out[i]=.5*fRoot;fRoot=.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}}();quat.str=function(a){return"quat("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.quat=quat}})(shim.exports)})()},{}],"gl-matrix":[function(require,module,exports){module.exports=require("0QExjN")},{}]},{},[]);var shell=require("gl-now")({clearColor:[0,0,0,0]});var camera=require("game-shell-orbit-camera")(shell);var createMesh=require("gl-simplicial-complex");var polygonize=require("isosurface").surfaceNets;var createAxes=require("gl-axes");var mat4=require("gl-matrix").mat4;var mesh,axes;var bounds=[[-5,-5,-5],[5,5,5]];function f(x,y,z){return x*x+y*y+z*z-2}shell.on("gl-init",function(){camera.lookAt(bounds[1],[0,0,0],[0,1,0]);mesh=createMesh(shell.gl,polygonize([64,64,64],f,bounds));axes=createAxes(shell.gl,{bounds:bounds})});shell.on("gl-render",function(){var gl=shell.gl;gl.enable(gl.DEPTH_TEST);var cameraParameters={view:camera.view(),projection:mat4.perspective(mat4.create(),Math.PI/4,shell.width/shell.height,.1,1e3)};axes.draw(cameraParameters);mesh.draw(cameraParameters)});

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "gl-now": "1.3.1",
    "game-shell-orbit-camera": "1.0.0",
    "gl-simplicial-complex": "1.0.0",
    "isosurface": "1.0.0",
    "gl-axes": "4.0.0",
    "gl-matrix": "2.1.0"
  }
}

page-head.html

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body, html { height: 100%; width: 100%; }</style>

requirebin.md

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