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mikolalysenko/index.js

Created March 18, 2015 23:05
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requirebin sketch
Raw
index.js
var createScene = require('gl-plot3d')
var createMesh = require('gl-mesh3d')
var bunny = require('bunny')
var sc = require('simplicial-complex')
var scene = createScene()
var mesh = createMesh({
gl: scene.gl,
cells: sc.skeleton(bunny.cells, 1),
positions: bunny.positions,
colormap: 'jet'
})
scene.add(mesh)
Raw
minified.js
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);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("is-array");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var kMaxLength=1073741823;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=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"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new TypeError("must start with number, buffer, array or string");if(length>kMaxLength)throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength.toString(16)+" bytes");var buf;if(Buffer.TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer.TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}if(length>0&&length<=Buffer.poolSize)buf.parent=rootParent;return buf}function SlowBuffer(subject,encoding,noZero){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding,noZero);var buf=new Buffer(subject,encoding,noZero);delete buf.parent;return buf}Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};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.concat=function(list,totalLength){if(!isArray(list))throw new TypeError("Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){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};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"ascii":case"binary":case"raw":ret=str.length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;case"hex":ret=str.length>>>1;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"base64":ret=base64ToBytes(str).length;break;default:ret=str.length}return ret};Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined;Buffer.prototype.toString=function(encoding,start,end){var loweredCase=false;start=start>>>0;end=end===undefined||end===Infinity?this.length:end>>>0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}};Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)};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)};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;if(strLen%2!==0)throw new Error("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);if(isNaN(byte))throw new Error("Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var 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=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length,2);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;if(length<0||offset<0||offset>this.length)throw new RangeError("attempt to write outside buffer bounds");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 TypeError("Unknown encoding: "+encoding)}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};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]&127)}return ret}function binarySlice(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 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=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;return val};Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256))val+=this[offset+--byteLength]*mul;return val};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256))val+=this[offset+--i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-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){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value;return offset+1};Buffer.prototype.writeInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};Buffer.prototype.writeInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38);ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308);ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};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.length)target_start=target.length;if(!target_start)target_start=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||source.length===0)return 0;if(target_start<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=source.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("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<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}return len};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){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 TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr.constructor=Buffer;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.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;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.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;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};var INVALID_BASE64_RE=/[^+\/0-9A-z\-]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}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(string,units){var codePoint,length=string.length;var leadSurrogate=null;units=units||Infinity;var bytes=[];var i=0;for(;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(leadSurrogate){if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}else{codePoint=leadSurrogate-55296<<10|codePoint-56320|65536;leadSurrogate=null}}else{if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}else{leadSurrogate=codePoint;continue}}}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=null}if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<2097152){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length,unitSize){if(unitSize)length-=length%unitSize;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)}}},{"base64-js":2,ieee754:3,"is-array":4}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)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}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],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}},{}],4:[function(require,module,exports){var isArray=Array.isArray;var str=Object.prototype.toString;module.exports=isArray||function(val){return!!val&&"[object Array]"==str.call(val)}},{}],5:[function(require,module,exports){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canMutationObserver=typeof window!=="undefined"&&window.MutationObserver;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}var queue=[];if(canMutationObserver){var hiddenDiv=document.createElement("div");var observer=new MutationObserver(function(){var queueList=queue.slice();queue.length=0;queueList.forEach(function(fn){fn()})});observer.observe(hiddenDiv,{attributes:true});return function nextTick(fn){if(!queue.length){hiddenDiv.setAttribute("yes","no")}queue.push(fn)}}if(canPost){window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")}},{}],6:[function(require,module,exports){var glslify=require("glslify");var createShader=require("gl-shader");var compositeShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nattribute vec2 position;\nvarying vec2 uv;\nvoid main() {\n uv = position;\n gl_Position = vec4(position, 0, 1);\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform sampler2D accumBuffer;\nvarying vec2 uv;\nvoid main() {\n vec4 accum = texture2D(accumBuffer, 0.5 * (uv + 1.0));\n gl_FragColor = min(vec4(1, 1, 1, 1), accum);\n}",[{name:"accumBuffer",type:"sampler2D"}],[{name:"position",type:"vec2"}]);module.exports=function(gl){return createShader(gl,compositeShader)}},{"gl-shader":140,glslify:168,"glslify/simple-adapter.js":174}],7:[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.unbind=function(){this.gl.bindBuffer(this.type,null)};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(this.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:177,"ndarray-ops":8,"typedarray-pool":15,webglew:17}],8:[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":9}],9:[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":11}],10:[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:12}],11:[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":10}],12:[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},{}],13:[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}},{}],14:[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},{}],15:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":13,buffer:1,dup:14}],16:[function(require,module,exports){(function WeakMapModule(){"use strict";if(typeof ses!=="undefined"&&ses.ok&&!ses.ok()){return}function weakMapPermitHostObjects(map){if(map.permitHostObjects___){map.permitHostObjects___(weakMapPermitHostObjects)}}if(typeof ses!=="undefined"){ses.weakMapPermitHostObjects=weakMapPermitHostObjects}var doubleWeakMapCheckSilentFailure=false;if(typeof WeakMap==="function"){var HostWeakMap=WeakMap;if(typeof navigator!=="undefined"&&/Firefox/.test(navigator.userAgent)){}else{var testMap=new HostWeakMap;var testObject=Object.freeze({});testMap.set(testObject,1);if(testMap.get(testObject)!==1){doubleWeakMapCheckSilentFailure=true}else{module.exports=WeakMap;return}}}var hop=Object.prototype.hasOwnProperty;var gopn=Object.getOwnPropertyNames;var defProp=Object.defineProperty;var isExtensible=Object.isExtensible;var HIDDEN_NAME_PREFIX="weakmap:";
var HIDDEN_NAME=HIDDEN_NAME_PREFIX+"ident:"+Math.random()+"___";if(typeof crypto!=="undefined"&&typeof crypto.getRandomValues==="function"&&typeof ArrayBuffer==="function"&&typeof Uint8Array==="function"){var ab=new ArrayBuffer(25);var u8s=new Uint8Array(ab);crypto.getRandomValues(u8s);HIDDEN_NAME=HIDDEN_NAME_PREFIX+"rand:"+Array.prototype.map.call(u8s,function(u8){return(u8%36).toString(36)}).join("")+"___"}function isNotHiddenName(name){return!(name.substr(0,HIDDEN_NAME_PREFIX.length)==HIDDEN_NAME_PREFIX&&name.substr(name.length-3)==="___")}defProp(Object,"getOwnPropertyNames",{value:function fakeGetOwnPropertyNames(obj){return gopn(obj).filter(isNotHiddenName)}});if("getPropertyNames"in Object){var originalGetPropertyNames=Object.getPropertyNames;defProp(Object,"getPropertyNames",{value:function fakeGetPropertyNames(obj){return originalGetPropertyNames(obj).filter(isNotHiddenName)}})}function getHiddenRecord(key){if(key!==Object(key)){throw new TypeError("Not an object: "+key)}var hiddenRecord=key[HIDDEN_NAME];if(hiddenRecord&&hiddenRecord.key===key){return hiddenRecord}if(!isExtensible(key)){return void 0}hiddenRecord={key:key};try{defProp(key,HIDDEN_NAME,{value:hiddenRecord,writable:false,enumerable:false,configurable:false});return hiddenRecord}catch(error){return void 0}}(function(){var oldFreeze=Object.freeze;defProp(Object,"freeze",{value:function identifyingFreeze(obj){getHiddenRecord(obj);return oldFreeze(obj)}});var oldSeal=Object.seal;defProp(Object,"seal",{value:function identifyingSeal(obj){getHiddenRecord(obj);return oldSeal(obj)}});var oldPreventExtensions=Object.preventExtensions;defProp(Object,"preventExtensions",{value:function identifyingPreventExtensions(obj){getHiddenRecord(obj);return oldPreventExtensions(obj)}})})();function constFunc(func){func.prototype=null;return Object.freeze(func)}var calledAsFunctionWarningDone=false;function calledAsFunctionWarning(){if(!calledAsFunctionWarningDone&&typeof console!=="undefined"){calledAsFunctionWarningDone=true;console.warn("WeakMap should be invoked as new WeakMap(), not "+"WeakMap(). This will be an error in the future.")}}var nextId=0;var OurWeakMap=function(){if(!(this instanceof OurWeakMap)){calledAsFunctionWarning()}var keys=[];var values=[];var id=nextId++;function get___(key,opt_default){var index;var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){return id in hiddenRecord?hiddenRecord[id]:opt_default}else{index=keys.indexOf(key);return index>=0?values[index]:opt_default}}function has___(key){var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){return id in hiddenRecord}else{return keys.indexOf(key)>=0}}function set___(key,value){var index;var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){hiddenRecord[id]=value}else{index=keys.indexOf(key);if(index>=0){values[index]=value}else{index=keys.length;values[index]=value;keys[index]=key}}return this}function delete___(key){var hiddenRecord=getHiddenRecord(key);var index,lastIndex;if(hiddenRecord){return id in hiddenRecord&&delete hiddenRecord[id]}else{index=keys.indexOf(key);if(index<0){return false}lastIndex=keys.length-1;keys[index]=void 0;values[index]=values[lastIndex];keys[index]=keys[lastIndex];keys.length=lastIndex;values.length=lastIndex;return true}}return Object.create(OurWeakMap.prototype,{get___:{value:constFunc(get___)},has___:{value:constFunc(has___)},set___:{value:constFunc(set___)},delete___:{value:constFunc(delete___)}})};OurWeakMap.prototype=Object.create(Object.prototype,{get:{value:function get(key,opt_default){return this.get___(key,opt_default)},writable:true,configurable:true},has:{value:function has(key){return this.has___(key)},writable:true,configurable:true},set:{value:function set(key,value){return this.set___(key,value)},writable:true,configurable:true},"delete":{value:function remove(key){return this.delete___(key)},writable:true,configurable:true}});if(typeof HostWeakMap==="function"){(function(){if(doubleWeakMapCheckSilentFailure&&typeof Proxy!=="undefined"){Proxy=undefined}function DoubleWeakMap(){if(!(this instanceof OurWeakMap)){calledAsFunctionWarning()}var hmap=new HostWeakMap;var omap=undefined;var enableSwitching=false;function dget(key,opt_default){if(omap){return hmap.has(key)?hmap.get(key):omap.get___(key,opt_default)}else{return hmap.get(key,opt_default)}}function dhas(key){return hmap.has(key)||(omap?omap.has___(key):false)}var dset;if(doubleWeakMapCheckSilentFailure){dset=function(key,value){hmap.set(key,value);if(!hmap.has(key)){if(!omap){omap=new OurWeakMap}omap.set(key,value)}return this}}else{dset=function(key,value){if(enableSwitching){try{hmap.set(key,value)}catch(e){if(!omap){omap=new OurWeakMap}omap.set___(key,value)}}else{hmap.set(key,value)}return this}}function ddelete(key){var result=!!hmap["delete"](key);if(omap){return omap.delete___(key)||result}return result}return Object.create(OurWeakMap.prototype,{get___:{value:constFunc(dget)},has___:{value:constFunc(dhas)},set___:{value:constFunc(dset)},delete___:{value:constFunc(ddelete)},permitHostObjects___:{value:constFunc(function(token){if(token===weakMapPermitHostObjects){enableSwitching=true}else{throw new Error("bogus call to permitHostObjects___")}})}})}DoubleWeakMap.prototype=OurWeakMap.prototype;module.exports=DoubleWeakMap;Object.defineProperty(WeakMap.prototype,"constructor",{value:WeakMap,enumerable:false,configurable:true,writable:true})})()}else{if(typeof Proxy!=="undefined"){Proxy=undefined}module.exports=OurWeakMap}})()},{}],17:[function(require,module,exports){"use strict";var weakMap=typeof WeakMap==="undefined"?require("weak-map"):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];if(extName.indexOf("MOZ_")===0){continue}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},{"weak-map":16}],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;this._elementsType=gl.UNSIGNED_SHORT}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements,elementsType){this._elements=elements;this._attributes=attributes;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};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,this._elementsType,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;this._elementsType=gl.UNSIGNED_SHORT}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,elementsType){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;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,this._elementsType,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){arguments[4][16][0].apply(exports,arguments)},{dup:16}],22:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{dup:17,"weak-map":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,elementsType){var ext=webglew(gl).OES_vertex_array_object;var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements,elementsType);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":19,"./lib/vao-native.js":20,webglew:22}],24:[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"))},{}],25:[function(require,module,exports){"use strict";var weakMap=typeof WeakMap==="undefined"?require("weakmap"):WeakMap;var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var TriangleCache=new weakMap;function createABigTriangle(gl){var triangleVAO=TriangleCache.get(gl);if(!triangleVAO){var buf=createBuffer(gl,new Float32Array([-1,-1,-1,4,4,-1]));triangleVAO=createVAO(gl,[{buffer:buf,type:gl.FLOAT,size:2}]);TriangleCache.set(gl,triangleVAO)}triangleVAO.bind();gl.drawArrays(gl.TRIANGLES,0,3);triangleVAO.unbind()}module.exports=createABigTriangle},{"gl-buffer":7,"gl-vao":23,weakmap:24}],26:[function(require,module,exports){var size=require("element-size");module.exports=fit;function fit(canvas,parent,scale){canvas.style.position=canvas.style.position||"absolute";canvas.style.top=0;canvas.style.left=0;scale=parseFloat(scale||1);return resize();function resize(){var p=parent||canvas.parentNode;if(p&&p!==document.body){var psize=size(p);var width=psize[0]|0;var height=psize[1]|0}else{var width=window.innerWidth;var height=window.innerHeight}canvas.width=width*scale;canvas.height=height*scale;canvas.style.width=width+"px";canvas.style.height=height+"px";return resize}}},{"element-size":27}],27:[function(require,module,exports){module.exports=getSize;function getSize(element){if(element===window||element===document.body){return[window.innerWidth,window.innerHeight]}if(!element.parentNode){var temporary=true;document.body.appendChild(element)}var bounds=element.getBoundingClientRect();var styles=getComputedStyle(element);var height=(bounds.height|0)+parse(styles.getPropertyValue("margin-top"))+parse(styles.getPropertyValue("margin-bottom"));var width=(bounds.width|0)+parse(styles.getPropertyValue("margin-left"))+parse(styles.getPropertyValue("margin-right"));if(temporary){document.body.removeChild(element)}return[width,height]}function parse(prop){return parseFloat(prop)||0}},{}],28:[function(require,module,exports){"use strict";module.exports=createAxes;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 copyVec3(a,b){a[0]=b[0];a[1]=b[1];a[2]=b[2];return a}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=[12,12,12];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.lastCubeProps={cubeEdges:[0,0,0],axis:[0,0,0]};this.labels=["x","y","z"];this.labelEnable=[true,true,true];this.labelFont="sans-serif";this.labelSize=[20,20,20];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)}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}}else 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);ticksUpdate=true}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}}BOOLEAN("tickEnable");if(STRING("tickFont")){ticksUpdate=true}NUMBER("tickSize");NUMBER("tickAngle");NUMBER("tickPad");COLOR("tickColor");var labelUpdate=STRING("labels");if(STRING("labelFont")){labelUpdate=true}BOOLEAN("labelEnable");NUMBER("labelSize");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){this._text=createText(this.gl,this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont)}else if(this._text&&(labelUpdate||ticksUpdate)){this._text.update(this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont)}if(this._lines&&ticksUpdate){this._lines.dispose();this._lines=null}if(!this._lines){this._lines=createLines(this.gl,this.bounds,this.ticks)}};function OffsetInfo(){this.primalOffset=[0,0,0];this.primalMinor=[0,0,0];this.mirrorOffset=[0,0,0];this.mirrorMinor=[0,0,0]}var LINE_OFFSET=[new OffsetInfo,new OffsetInfo,new OffsetInfo];function computeLineOffset(result,i,bounds,cubeEdges,cubeAxis){var primalOffset=result.primalOffset;var primalMinor=result.primalMinor;var dualOffset=result.mirrorOffset;var dualMinor=result.mirrorMinor;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;d[j]=0}else{c[j]=0;d[j]=+1}}}var CUBE_ENABLE=[0,0,0];var DEFAULT_PARAMS={model:identity,view:identity,projection:identity};proto.isOpaque=function(){return true};proto.isTransparent=function(){return this.backgroundEnable[0]||this.backgroundEnable[1]||this.backgroundEnable[2]};proto.drawTransparent=function(params){var cubeEnable=CUBE_ENABLE;for(var i=0;i<3;++i){if(this.backgroundEnable[i]){cubeEnable[i]=cubeAxis[i]}else{cubeEnable[i]=0}}this._background.draw(params.model||identity,params.view||identity,params.projection||identity,this.bounds,cubeEnable,this.backgroundColor)};var PRIMAL_MINOR=[0,0,0];var MIRROR_MINOR=[0,0,0];var PRIMAL_OFFSET=[0,0,0];proto.draw=function(params){params=params||DEFAULT_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.cubeEdges;var cubeAxis=cubeParams.axis;for(var i=0;i<3;++i){this.lastCubeProps.cubeEdges[i]=cubeEdges[i];this.lastCubeProps.axis[i]=cubeAxis[i]}var lineOffset=LINE_OFFSET;for(var i=0;i<3;++i){computeLineOffset(LINE_OFFSET[i],i,this.bounds,cubeEdges,cubeAxis)}var gl=this.gl;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=0;j<2;++j){var u=(i+1+j)%3;var v=(i+1+(j^1))%3;if(this.zeroEnable[v]){if(bounds[0][v]<=0&&bounds[1][v]>=0){gl.lineWidth(this.zeroLineWidth[v]);this._lines.drawZero(u,this.bounds,x,this.zeroLineColor[v])}}}}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=copyVec3(PRIMAL_MINOR,lineOffset[i].primalMinor);var mirrorMinor=copyVec3(MIRROR_MINOR,lineOffset[i].mirrorMinor);var tickLength=this.lineTickLength;for(var j=0;j<3;++j){primalMinor[j]*=tickLength[j];mirrorMinor[j]*=tickLength[j]}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 minor=lineOffset[i].primalMinor;var offset=copyVec3(PRIMAL_OFFSET,lineOffset[i].primalOffset);for(var j=0;j<3;++j){if(this.lineTickEnable[i]){offset[j]+=minor[j]*Math.max(this.lineTickLength[j],0)}}if(this.tickEnable[i]){for(var j=0;j<3;++j){offset[j]+=minor[j]*this.tickPad[j]}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[j]}offset[i]+=.5*(bounds[0][i]+bounds[1][i]);this._text.drawLabel(i,this.labelSize[i],this.labelAngle[i],offset,this.labelColor[i])}}};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":29,"./lib/cube.js":30,"./lib/lines.js":31,"./lib/text.js":32,"./lib/ticks.js":33}],29:[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":36,"gl-vao":50,glslify:168,"glslify/adapter.js":167}],30:[function(require,module,exports){"use strict";module.exports=getCubeEdges;var bits=require("bit-twiddle");var multiply=require("gl-mat4/multiply");var invert=require("gl-mat4/invert");var splitPoly=require("split-polygon");var orient=require("robust-orientation");var mvp=new Array(16);var imvp=new Array(16);var pCubeVerts=new Array(8);var cubeVerts=new Array(8);var x=new Array(3);var zero3=[0,0,0];(function(){for(var i=0;i<8;++i){pCubeVerts[i]=[1,1,1,1];cubeVerts[i]=[1,1,1]}})();function transformHg(result,x,mat){for(var i=0;i<4;++i){result[i]=mat[12+i];for(var j=0;j<3;++j){result[i]+=x[j]*mat[4*j+i]}}}var FRUSTUM_PLANES=[[0,0,1,0,0],[0,0,-1,1,0],[0,-1,0,1,0],[0,1,0,1,0],[-1,0,0,1,0],[1,0,0,1,0]];function polygonArea(p){for(var i=0;i<FRUSTUM_PLANES.length;++i){p=splitPoly.positive(p,FRUSTUM_PLANES[i]);if(p.length<3){return 0}}var base=p[0];var ax=base[0]/base[3];var ay=base[1]/base[3];var area=0;for(var i=1;i+1<p.length;++i){var b=p[i];var c=p[i+1];var bx=b[0]/b[3];var by=b[1]/b[3];var cx=c[0]/c[3];var cy=c[1]/c[3];var ux=bx-ax;var uy=by-ay;var vx=cx-ax;var vy=cy-ay;area+=Math.abs(ux*vy-uy*vx)}return area}var CUBE_EDGES=[1,1,1];var CUBE_AXIS=[0,0,0];var CUBE_RESULT={cubeEdges:CUBE_EDGES,axis:CUBE_AXIS};function getCubeEdges(model,view,projection,bounds){multiply(mvp,view,model);multiply(mvp,projection,mvp);var ptr=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];transformHg(pCubeVerts[ptr],x,mvp);var w=pCubeVerts[ptr][3];for(var l=0;l<3;++l){cubeVerts[ptr][l]=pCubeVerts[ptr][l]/w}ptr+=1}}}var closest=0;for(var d=0;d<3;++d){var u=(d+2)%3;var v=(d+1)%3;var o0=-1;var o1=-1;for(var s=0;s<2;++s){var f0=s<<d;var f1=f0+(s<<u)+(1-s<<v);var f2=f0+(1-s<<u)+(s<<v);if(orient(cubeVerts[f0],cubeVerts[f1],cubeVerts[f2],zero3)<0){continue}if(s){o0=1}else{o1=1}}if(o0<0||o1<0){if(o1>o0){closest|=1<<d}continue}for(var s=0;s<2;++s){var f0=s<<d;var f1=f0+(s<<u)+(1-s<<v);var f2=f0+(1-s<<u)+(s<<v);var o=polygonArea([pCubeVerts[f0],pCubeVerts[f1],pCubeVerts[f2],pCubeVerts[f0+(1<<u)+(1<<v)]]);if(s){o0=o}else{o1=o}}if(o1>o0){closest|=1<<d;continue}}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=CUBE_EDGES;cubeEdges[0]=cubeEdges[1]=cubeEdges[2]=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=CUBE_AXIS;var cutCorner=closest;for(var d=0;d<3;++d){if(cutCorner&1<<d){axis[d]=-1}else{axis[d]=1}}return CUBE_RESULT}},{"bit-twiddle":34,"gl-mat4/invert":127,"gl-mat4/multiply":129,"robust-orientation":56,"split-polygon":57}],31:[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"}]);var MAJOR_AXIS=[0,0,0];var MINOR_AXIS=[0,0,0];var OFFSET_VEC=[0,0,0];function zeroVec(a){a[0]=a[1]=a[2]=0;return a}function copyVec(a,b){a[0]=b[0];a[1]=b[1];a[2]=b[2];return a}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){var minorAxis=zeroVec(MINOR_AXIS);this.shader.uniforms.majorAxis=MINOR_AXIS;minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=copyVec(OFFSET_VEC,offset);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=zeroVec(MAJOR_AXIS);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=zeroVec(MINOR_AXIS);minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=copyVec(OFFSET_VEC,offset);noffset[j]+=bounds[0][j];this.shader.uniforms.offset=noffset;var majorAxis=zeroVec(MAJOR_AXIS);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){var minorAxis=zeroVec(MINOR_AXIS);this.shader.uniforms.majorAxis=minorAxis;minorAxis[j]=bounds[1][j]-bounds[0][j];this.shader.uniforms.minorAxis=minorAxis;var noffset=copyVec(OFFSET_VEC,offset);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":36,"gl-vao":50,glslify:168,"glslify/adapter.js":167}],32:[function(require,module,exports){(function(process){"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 globals=window||process.global||{};var __TEXT_CACHE=globals.__TEXT_CACHE||{};globals.__TEXT_CACHE={};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;\nuniform vec2 resolution;\nvoid main() {\n vec2 planeCoord = position.xy;\n mat2 planeXform = scale * mat2(cos(angle), sin(angle), -sin(angle), cos(angle));\n vec2 viewOffset = 2.0 * planeXform * planeCoord / resolution;\n float axisDistance = position.z;\n vec3 dataPosition = axisDistance * axis + offset;\n vec4 worldPosition = model * vec4(dataPosition, 1);\n vec4 viewPosition = view * worldPosition;\n vec4 clipPosition = projection * viewPosition;\n clipPosition /= clipPosition.w;\n clipPosition += vec4(viewOffset, 0, 0);\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:"resolution",type:"vec2"},{name:"color",type:"vec4"}],[{name:"position",type:"vec3"}]);var VERTEX_SIZE=3;var VERTEX_STRIDE=VERTEX_SIZE*4;function TextSprites(gl,shader,buffer,vao){this.gl=gl;this.shader=shader;this.buffer=buffer;this.vao=vao;this.tickOffset=this.tickCount=this.labelOffset=this.labelCount=null}var proto=TextSprites.prototype;var SHAPE=[0,0];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;SHAPE[0]=this.gl.drawingBufferWidth;SHAPE[1]=this.gl.drawingBufferHeight;this.shader.uniforms.resolution=SHAPE};proto.update=function(bounds,labels,labelFont,ticks,tickFont){var gl=this.gl;var data=[];function addItem(t,text,font){var fontcache=__TEXT_CACHE[font];if(!fontcache){fontcache=__TEXT_CACHE[font]={}}var mesh=fontcache[text];if(!mesh){mesh=fontcache[text]=tryVectorizeText(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]}this.buffer.update(data);this.tickOffset=tickOffset;this.tickCount=tickCount;this.labelOffset=labelOffset;this.labelCount=labelCount};var AXIS=[0,0,0];proto.drawTicks=function(d,scale,angle,offset,color){var v=AXIS;v[0]=v[1]=v[2]=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])};var ZERO=[0,0,0];proto.drawLabel=function(d,scale,angle,offset,color){this.shader.uniforms.axis=ZERO;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 tryVectorizeText(text,options){try{return vectorizeText(text,options)}catch(e){console.warn("error vectorizing text:",e);return{cells:[],positions:[]}}}function createTextSprites(gl,bounds,labels,labelFont,ticks,tickFont){var buffer=createBuffer(gl);var vao=createVAO(gl,[{buffer:buffer,size:3}]);var shader=createShader(gl);shader.attributes.position.location=0;var result=new TextSprites(gl,shader,buffer,vao);result.update(bounds,labels,labelFont,ticks,tickFont);return result}}).call(this,require("_process"))},{_process:5,"gl-buffer":36,"gl-vao":50,glslify:168,"glslify/adapter.js":167,"vectorize-text":61}],33:[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}},{}],34:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],35:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],36:[function(require,module,exports){arguments[4][7][0].apply(exports,arguments)},{dup:7,ndarray:177,"ndarray-ops":37,"typedarray-pool":42,webglew:44}],37:[function(require,module,exports){arguments[4][8][0].apply(exports,arguments)},{"cwise-compiler":38,dup:8}],38:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":40,dup:9}],39:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:41}],40:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":39,dup:11}],41:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],42:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":34,buffer:1,dup:35}],43:[function(require,module,exports){arguments[4][16][0].apply(exports,arguments)},{dup:16}],44:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{dup:17,"weak-map":43}],45:[function(require,module,exports){arguments[4][18][0].apply(exports,arguments)},{dup:18}],46:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{"./do-bind.js":45,dup:19}],47:[function(require,module,exports){arguments[4][20][0].apply(exports,arguments)},{"./do-bind.js":45,dup:20}],48:[function(require,module,exports){arguments[4][16][0].apply(exports,arguments)},{dup:16}],49:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{dup:17,"weak-map":48}],50:[function(require,module,exports){arguments[4][23][0].apply(exports,arguments)},{"./lib/vao-emulated.js":46,"./lib/vao-native.js":47,dup:23,webglew:49}],51:[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]}},{}],52:[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":55,"two-sum":51}],53:[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}},{}],54:[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}},{}],55:[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]}},{}],56:[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":52,"robust-subtract":53,"robust-sum":54,"two-product":55}],57:[function(require,module,exports){"use strict";var robustDot=require("robust-dot-product");var robustSum=require("robust-sum");module.exports=splitPolygon;module.exports.positive=positive;module.exports.negative=negative;function planeT(p,plane){var r=robustSum(robustDot(p,plane),[plane[plane.length-1]]);return r[r.length-1]}function lerpW(a,wa,b,wb){var d=wb-wa;var t=-wa/d;if(t<0){t=0}else if(t>1){t=1}var ti=1-t;var n=a.length;var r=new Array(n);for(var i=0;i<n;++i){r[i]=t*a[i]+ti*b[i]}return r}function splitPolygon(points,plane){var pos=[];var neg=[];var a=planeT(points[points.length-1],plane);for(var s=points[points.length-1],t=points[0],i=0;i<points.length;++i,s=t){t=points[i];var b=planeT(t,plane);if(a<0&&b>0||a>0&&b<0){var p=lerpW(s,b,t,a);pos.push(p);neg.push(p.slice())}if(b<0){neg.push(t.slice())}else if(b>0){pos.push(t.slice())}else{pos.push(t.slice());neg.push(t.slice())}a=b}return{positive:pos,negative:neg}}function positive(points,plane){var pos=[];var a=planeT(points[points.length-1],plane);for(var s=points[points.length-1],t=points[0],i=0;i<points.length;++i,s=t){t=points[i];var b=planeT(t,plane);if(a<0&&b>0||a>0&&b<0){pos.push(lerpW(s,b,t,a))}if(b>=0){pos.push(t.slice())}a=b}return pos}function negative(points,plane){var neg=[];var a=planeT(points[points.length-1],plane);for(var s=points[points.length-1],t=points[0],i=0;i<points.length;++i,s=t){t=points[i];var b=planeT(t,plane);if(a<0&&b>0||a>0&&b<0){neg.push(lerpW(s,b,t,a))}if(b<=0){neg.push(t.slice())}a=b}return neg}},{"robust-dot-product":58,"robust-sum":60}],58:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var robustSum=require("robust-sum");module.exports=robustDotProduct;function robustDotProduct(a,b){var r=twoProduct(a[0],b[0]);for(var i=1;i<a.length;++i){r=robustSum(r,twoProduct(a[i],b[i]))}return r}},{"robust-sum":60,"two-product":59}],59:[function(require,module,exports){arguments[4][55][0].apply(exports,arguments)},{dup:55}],60:[function(require,module,exports){arguments[4][54][0].apply(exports,arguments)},{dup:54}],61:[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":62,"canvas-browserify":63}],62:[function(require,module,exports){"use strict";module.exports=vectorizeText;module.exports.processPixels=processPixels;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=options.width/(hi[0]-lo[0])}else if("height"in options){scale=options.height/(hi[1]-lo[1])}return positions.map(function(p){return[scale*(p[0]+xShift),scale*(p[1]+yShift)]})}function getPixels(canvas,context,str,size){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,canvas.width,canvas.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]);return pixels.pick(-1,-1,0).transpose(1,0)}function getContour(pixels,doSimplify){var contour=surfaceNets(pixels,128);if(doSimplify){return simplify(contour.cells,contour.positions,.25)}return{edges:contour.cells,positions:contour.positions}}function processPixelsImpl(pixels,options,size,simplify){var contour=getContour(pixels,simplify);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}}}function processPixels(pixels,options,size){try{return processPixelsImpl(pixels,options,size,true)}catch(e){}try{return processPixelsImpl(pixels,options,size,false)}catch(e){}if(options.polygons||options.polyline||options.polygon){return[]}if(options.triangles||options.triangulate||options.triangle){return{cells:[],positions:[]}}return{edges:[],positions:[]}}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 pixels=getPixels(canvas,context,str,size);return processPixels(pixels,options,size)}},{ndarray:177,"planar-graph-to-polyline":81,"simplify-planar-graph":85,"surface-nets":101,"triangulate-polyline":112}],63:[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}},{}],64:[function(require,module,exports){"use strict";module.exports=trimLeaves;var e2a=require("edges-to-adjacency-list");function trimLeaves(edges,positions){var adj=e2a(edges,positions.length);var live=new Array(positions.length);var nbhd=new Array(positions.length);var dead=[];for(var i=0;i<positions.length;++i){var count=adj[i].length;nbhd[i]=count;live[i]=true;if(count<=1){dead.push(i)}}while(dead.length>0){var v=dead.pop();live[v]=false;var n=adj[v];for(var i=0;i<n.length;++i){var u=n[i];if(--nbhd[u]===0){dead.push(u)}}}var newIndex=new Array(positions.length);var npositions=[];for(var i=0;i<positions.length;++i){if(live[i]){var v=npositions.length;newIndex[i]=v;npositions.push(positions[i])}else{newIndex[i]=-1}}var nedges=[];for(var i=0;i<edges.length;++i){var e=edges[i];if(live[e[0]]&&live[e[1]]){nedges.push([newIndex[e[0]],newIndex[e[1]]])}}return[nedges,npositions]}},{"edges-to-adjacency-list":65}],65:[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:80}],66:[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":67}],67:[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":56,"robust-product":69,"robust-sum":78,signum:70,"two-sum":71}],68:[function(require,module,exports){arguments[4][52][0].apply(exports,arguments)},{dup:52,"two-product":79,"two-sum":71}],69:[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":68,"robust-sum":78}],70:[function(require,module,exports){"use strict";module.exports=function signum(x){if(x<0){return-1}if(x>0){return 1}return 0}},{}],71:[function(require,module,exports){arguments[4][51][0].apply(exports,arguments)},{dup:51}],72:[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)}},{}],73:[function(require,module,exports){"use strict";var bounds=require("binary-search-bounds");var NOT_FOUND=0;var SUCCESS=1;var EMPTY=2;module.exports=createWrapper;function IntervalTreeNode(mid,left,right,leftPoints,rightPoints){this.mid=mid;this.left=left;this.right=right;this.leftPoints=leftPoints;this.rightPoints=rightPoints;this.count=(left?left.count:0)+(right?right.count:0)+leftPoints.length}var proto=IntervalTreeNode.prototype;function copy(a,b){a.mid=b.mid;a.left=b.left;a.right=b.right;a.leftPoints=b.leftPoints;a.rightPoints=b.rightPoints;a.count=b.count}function rebuild(node,intervals){var ntree=createIntervalTree(intervals);node.mid=ntree.mid;node.left=ntree.left;node.right=ntree.right;node.leftPoints=ntree.leftPoints;node.rightPoints=ntree.rightPoints;node.count=ntree.count}function rebuildWithInterval(node,interval){var intervals=node.intervals([]);intervals.push(interval);rebuild(node,intervals)}function rebuildWithoutInterval(node,interval){var intervals=node.intervals([]);var idx=intervals.indexOf(interval);if(idx<0){return NOT_FOUND}intervals.splice(idx,1);rebuild(node,intervals);return SUCCESS}proto.intervals=function(result){result.push.apply(result,this.leftPoints);if(this.left){this.left.intervals(result)}if(this.right){this.right.intervals(result)}return result};proto.insert=function(interval){var weight=this.count-this.leftPoints.length;this.count+=1;if(interval[1]<this.mid){if(this.left){if(4*(this.left.count+1)>3*(weight+1)){rebuildWithInterval(this,interval)}else{this.left.insert(interval)}}else{this.left=createIntervalTree([interval])}}else if(interval[0]>this.mid){if(this.right){if(4*(this.right.count+1)>3*(weight+1)){rebuildWithInterval(this,interval)}else{this.right.insert(interval)}}else{this.right=createIntervalTree([interval])}}else{var l=bounds.ge(this.leftPoints,interval,compareBegin);var r=bounds.ge(this.rightPoints,interval,compareEnd);this.leftPoints.splice(l,0,interval);this.rightPoints.splice(r,0,interval)}};proto.remove=function(interval){var weight=this.count-this.leftPoints;if(interval[1]<this.mid){if(!this.left){return NOT_FOUND}var rw=this.right?this.right.count:0;if(4*rw>3*(weight-1)){return rebuildWithoutInterval(this,interval)}var r=this.left.remove(interval);if(r===EMPTY){this.left=null;this.count-=1;return SUCCESS}else if(r===SUCCESS){this.count-=1}return r}else if(interval[0]>this.mid){if(!this.right){return NOT_FOUND}var lw=this.left?this.left.count:0;if(4*lw>3*(weight-1)){return rebuildWithoutInterval(this,interval)}var r=this.right.remove(interval);if(r===EMPTY){this.right=null;this.count-=1;return SUCCESS}else if(r===SUCCESS){this.count-=1}return r}else{if(this.count===1){if(this.leftPoints[0]===interval){return EMPTY}else{return NOT_FOUND}}if(this.leftPoints.length===1&&this.leftPoints[0]===interval){if(this.left&&this.right){var p=this;var n=this.left;while(n.right){p=n;n=n.right}if(p===this){n.right=this.right}else{var l=this.left;var r=this.right;p.count-=n.count;p.right=n.left;n.left=l;n.right=r}copy(this,n);this.count=(this.left?this.left.count:0)+(this.right?this.right.count:0)+this.leftPoints.length}else if(this.left){copy(this,this.left)}else{copy(this,this.right)}return SUCCESS}for(var l=bounds.ge(this.leftPoints,interval,compareBegin);l<this.leftPoints.length;++l){if(this.leftPoints[l][0]!==interval[0]){break}if(this.leftPoints[l]===interval){this.count-=1;this.leftPoints.splice(l,1);for(var r=bounds.ge(this.rightPoints,interval,compareEnd);r<this.rightPoints.length;++r){if(this.rightPoints[r][1]!==interval[1]){break}else if(this.rightPoints[r]===interval){this.rightPoints.splice(r,1);return SUCCESS}}throw new Error("This should never happen")}}return NOT_FOUND}};function compareXBegin(x,y){return x[0]-y}function compareXEnd(x,y){return x[1]-y}proto.queryPoint=function(x,cb){if(x<this.mid){if(this.left){var r=this.left.queryPoint(x,cb);if(r){return r}}var i=bounds.le(this.leftPoints,x,compareXBegin);for(;i>=0;--i){var r=cb(this.leftPoints[i]);if(r){return r}}}else if(x>this.mid){var i=bounds.ge(this.rightPoints,x,compareXEnd);for(;i<this.rightPoints.length;++i){var r=cb(this.rightPoints[i]);if(r){return r}}if(this.right){var r=this.right.queryPoint(x,cb);if(r){return r}}}else{for(var i=0;i<this.leftPoints.length;++i){var r=cb(this.leftPoints[i]);if(r){return r}}}};function reportRange(arr,lo,hi,cb,cmp){var a=bounds.ge(arr,lo,cmp);var b=bounds.le(arr,hi,cmp,a);if(b<arr.length&&cmp(hi,arr[b])===0){++b}for(var i=a;i<b;++i){var r=cb(arr[i]);if(r){return r}}}proto.queryInterval=function(lo,hi,cb){if(lo<this.mid&&this.left){var r=this.left.queryInterval(lo,hi,cb);if(r){return r}}if(hi>this.mid&&this.right){var r=this.right.queryInterval(lo,hi,cb);if(r){return r}}if(hi<this.mid){var r=reportRange(this.leftPoints,lo,hi,cb,compareXBegin);if(r){return r}}else if(lo>this.mid){var r=reportRange(this.rightPoints,lo,hi,cb,compareXEnd);if(r){return r}}else{for(var i=0;i<this.leftPoints.length;++i){var r=cb(this.leftPoints[i]);if(r){return r}}}};function compareNumbers(a,b){return a-b}function compareBegin(a,b){var d=a[0]-b[0];if(d){return d}return a[1]-b[1]}function compareEnd(a,b){var d=a[1]-b[1];if(d){return d}return a[0]-b[0]}function createIntervalTree(intervals){if(intervals.length===0){return null}var pts=[];for(var i=0;i<intervals.length;++i){pts.push(intervals[i][0],intervals[i][1])}pts.sort(compareNumbers);var mid=pts[pts.length>>1];var leftIntervals=[];var rightIntervals=[];var centerIntervals=[];for(var i=0;i<intervals.length;++i){var s=intervals[i];if(s[1]<mid){leftIntervals.push(s)}else if(mid<s[0]){rightIntervals.push(s)}else{centerIntervals.push(s)}}var leftPoints=centerIntervals;var rightPoints=centerIntervals.slice();leftPoints.sort(compareBegin);rightPoints.sort(compareEnd);return new IntervalTreeNode(mid,createIntervalTree(leftIntervals),createIntervalTree(rightIntervals),leftPoints,rightPoints)}function IntervalTree(root){this.root=root}var tproto=IntervalTree.prototype;tproto.insert=function(interval){if(this.root){this.root.insert(interval)}else{this.root=new IntervalTreeNode(interval[0],null,null,[interval],[interval])}};tproto.remove=function(interval){if(this.root){var r=this.root.remove(interval);if(r===EMPTY){this.root=null}return r!==NOT_FOUND}return false};tproto.queryPoint=function(p,cb){if(this.root){return this.root.queryPoint(p,cb)}};tproto.queryInterval=function(lo,hi,cb){if(this.root){return this.root.queryInterval(lo,hi,cb)}};Object.defineProperty(tproto,"count",{get:function(){if(this.root){return this.root.count}return 0}});Object.defineProperty(tproto,"intervals",{get:function(){if(this.root){return this.root.intervals([])}return[]}});function createWrapper(intervals){if(intervals.length===0||!intervals){return new IntervalTree(null)}return new IntervalTree(createIntervalTree(intervals))}},{"binary-search-bounds":72}],74:[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":56}],75:[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;while(n){var d=cmp(key,n.key);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)}},{}],76:[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":74,"binary-search-bounds":72,"functional-red-black-tree":75,"robust-orientation":56}],77:[function(require,module,exports){module.exports=preprocessPolygon;var orient=require("robust-orientation")[3];var makeSlabs=require("slab-decomposition");var makeIntervalTree=require("interval-tree-1d");var bsearch=require("binary-search-bounds");function visitInterval(){return true}function intervalSearch(table){return function(x,y){var tree=table[x];if(tree){return!!tree.queryPoint(y,visitInterval)}return false}}function buildVerticalIndex(segments){var table={};for(var i=0;i<segments.length;++i){var s=segments[i];var x=s[0][0];var y0=s[0][1];var y1=s[1][1];var p=[Math.min(y0,y1),Math.max(y0,y1)];if(x in table){table[x].push(p)}else{table[x]=[p]}}var intervalTable={};var keys=Object.keys(table);for(var i=0;i<keys.length;++i){var segs=table[keys[i]];intervalTable[keys[i]]=makeIntervalTree(segs)}return intervalSearch(intervalTable)}function buildSlabSearch(slabs,coordinates){return function(p){var bucket=bsearch.le(coordinates,p[0]);if(bucket<0){return 1}var root=slabs[bucket];if(!root){if(bucket>0&&coordinates[bucket]===p[0]){root=slabs[bucket-1]}else{return 1}}var lastOrientation=1;while(root){var s=root.key;var o=orient(p,s[0],s[1]);if(s[0][0]<s[1][0]){if(o<0){root=root.left}else if(o>0){lastOrientation=-1;root=root.right}else{return 0}}else{if(o>0){root=root.left}else if(o<0){lastOrientation=1;root=root.right}else{return 0}}}return lastOrientation}}function classifyEmpty(p){return 1}function createClassifyVertical(testVertical){return function classify(p){if(testVertical(p[0],p[1])){return 0}return 1}}function createClassifyPointDegen(testVertical,testNormal){return function classify(p){if(testVertical(p[0],p[1])){return 0}return testNormal(p)}}function preprocessPolygon(loops){var numLoops=loops.length;
var segments=[];var vsegments=[];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++){var a=loop[s];var b=loop[t];if(a[0]===b[0]){vsegments.push([a,b])}else{segments.push([a,b])}}}if(segments.length===0){if(vsegments.length===0){return classifyEmpty}else{return createClassifyVertical(buildVerticalIndex(vsegments))}}var slabs=makeSlabs(segments);var testSlab=buildSlabSearch(slabs.slabs,slabs.coordinates);if(vsegments.length===0){return testSlab}else{return createClassifyPointDegen(buildVerticalIndex(vsegments),testSlab)}}},{"binary-search-bounds":72,"interval-tree-1d":73,"robust-orientation":56,"slab-decomposition":76}],78:[function(require,module,exports){arguments[4][54][0].apply(exports,arguments)},{dup:54}],79:[function(require,module,exports){arguments[4][55][0].apply(exports,arguments)},{dup:55}],80:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],81:[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 trimLeaves=require("./lib/trim-leaves");function makeArray(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function makeArrayOfArrays(length){var result=new Array(length);for(var i=0;i<length;++i){result[i]=[]}return result}function planarGraphToPolyline(edges,positions){var result=trimLeaves(edges,positions);edges=result[0];positions=result[1];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=makeArrayOfArrays(numFaces);for(var i=0;i<numFaces;++i){fadj[i].push(parent[i]);fadj[parent[i]].push(i)}var edgeAdjacency={};var internalVertices=makeArray(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=makeArray(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}},{"./lib/trim-leaves":64,"edges-to-adjacency-list":65,"planar-dual":66,"point-in-big-polygon":77,"robust-sum":78,"two-product":79,uniq:80}],82:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],83:[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]}}},{}],84:[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":82,"union-find":83}],85:[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":56,"simplicial-complex":84}],86:[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":87}],87:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":34,buffer:1,dup:35}],88:[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},{}],89:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":34,buffer:1,dup:35}],90:[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":89}],91:[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":92,"typedarray-pool":93}],92:[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},{}],93:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":34,buffer:1,dup:35}],94:[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=Math.round(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:88,"permutation-parity":90,"permutation-rank":91}],95:[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":96}],96:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":98,dup:9}],97:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:99}],98:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":97,dup:11}],99:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],100:[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":95}],101:[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":86,"triangulate-hypercube":94,"zero-crossings":100}],102:[function(require,module,exports){module.exports={version:"1.3.3"}},{}],103:[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},{}],104:[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":111}],105:[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":111}],106:[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 global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"../dist/version.json":102,"./point":104,"./pointerror":105,"./sweep":107,"./sweepcontext":108,"./triangle":109}],107:[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":103,"./pointerror":105,"./triangle":109,"./utils":110}],108:[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":103,"./point":104,"./pointerror":105,"./sweep":107,"./triangle":109}],109:[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":111}],110:[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}},{}],111:[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}},{}],112:[function(require,module,exports){"use strict";module.exports=triangulateLoop;var poly2tri=require("poly2tri");function PointWrapper(x,y,idx){this.x=x;this.y=y;this.idx=idx}function triangulatePolyline(loops,positions,perturb){function convertLoop(loop){return loop.map(function(v){var p=positions[v];return new PointWrapper(p[0]+(.5-Math.random())*perturb*(1+Math.abs(p[0])),p[1]+(.5-Math.random())*perturb*(1+Math.abs(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]})}function triangulateLoop(loops,positions){var p=0;for(var i=0;i<10;++i){try{return triangulatePolyline(loops,positions,p)}catch(e){}p=(p+1e-8)*2}return[]}},{poly2tri:106}],113:[function(require,module,exports){"use strict";var webglew=require("webglew");var createTexture=require("gl-texture2d");module.exports=createFBO;var colorAttachmentArrays=null;var FRAMEBUFFER_UNSUPPORTED;var FRAMEBUFFER_INCOMPLETE_ATTACHMENT;var FRAMEBUFFER_INCOMPLETE_DIMENSIONS;var FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;function saveFBOState(gl){var fbo=gl.getParameter(gl.FRAMEBUFFER_BINDING);var rbo=gl.getParameter(gl.RENDERBUFFER_BINDING);var tex=gl.getParameter(gl.TEXTURE_BINDING_2D);return[fbo,rbo,tex]}function restoreFBOState(gl,data){gl.bindFramebuffer(gl.FRAMEBUFFER,data[0]);gl.bindRenderbuffer(gl.RENDERBUFFER,data[1]);gl.bindTexture(gl.TEXTURE_2D,data[2])}function lazyInitColorAttachments(gl,ext){var maxColorAttachments=gl.getParameter(ext.MAX_COLOR_ATTACHMENTS_WEBGL);colorAttachmentArrays=new Array(maxColorAttachments+1);for(var i=0;i<=maxColorAttachments;++i){var x=new Array(maxColorAttachments);for(var j=0;j<i;++j){x[j]=gl.COLOR_ATTACHMENT0+j}for(var j=i;j<maxColorAttachments;++j){x[j]=gl.NONE}colorAttachmentArrays[i]=x}}function throwFBOError(status){switch(status){case FRAMEBUFFER_UNSUPPORTED:throw new Error("gl-fbo: Framebuffer unsupported");case FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw new Error("gl-fbo: Framebuffer incomplete attachment");case FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw new Error("gl-fbo: Framebuffer incomplete dimensions");case FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw new Error("gl-fbo: Framebuffer incomplete missing attachment");default:throw new Error("gl-fbo: Framebuffer failed for unspecified reason")}}function initTexture(gl,width,height,type,format,attachment){if(!type){return null}var result=createTexture(gl,width,height,format,type);result.magFilter=gl.NEAREST;result.minFilter=gl.NEAREST;result.mipSamples=1;result.bind();gl.framebufferTexture2D(gl.FRAMEBUFFER,attachment,gl.TEXTURE_2D,result.handle,0);return result}function initRenderBuffer(gl,width,height,component,attachment){var result=gl.createRenderbuffer();gl.bindRenderbuffer(gl.RENDERBUFFER,result);gl.renderbufferStorage(gl.RENDERBUFFER,component,width,height);gl.framebufferRenderbuffer(gl.FRAMEBUFFER,attachment,gl.RENDERBUFFER,result);return result}function rebuildFBO(fbo){var state=saveFBOState(fbo.gl);var gl=fbo.gl;var handle=fbo.handle=gl.createFramebuffer();var width=fbo._shape[0];var height=fbo._shape[1];var numColors=fbo.color.length;var ext=fbo._ext;var useStencil=fbo._useStencil;var useDepth=fbo._useDepth;var colorType=fbo._colorType;var extensions=webglew(gl);gl.bindFramebuffer(gl.FRAMEBUFFER,handle);for(var i=0;i<numColors;++i){fbo.color[i]=initTexture(gl,width,height,colorType,gl.RGBA,gl.COLOR_ATTACHMENT0+i)}if(numColors===0){fbo._color_rb=initRenderBuffer(gl,width,height,gl.RGBA4,gl.COLOR_ATTACHMENT0);if(ext){ext.drawBuffersWEBGL(colorAttachmentArrays[0])}}else if(numColors>1){ext.drawBuffersWEBGL(colorAttachmentArrays[numColor])}if(extensions.WEBGL_depth_texture){if(useStencil){fbo.depth=initTexture(gl,width,height,extensions.WEBGL_depth_texture.UNSIGNED_INT_24_8_WEBGL,gl.DEPTH_STENCIL,gl.DEPTH_STENCIL_ATTACHMENT)}else if(useDepth){fbo.depth=initTexture(gl,width,height,gl.UNSIGNED_SHORT,gl.DEPTH_COMPONENT,gl.DEPTH_ATTACHMENT)}}else{if(useDepth&&useStencil){fbo._depth_rb=initRenderBuffer(gl,width,height,gl.DEPTH_STENCIL,gl.DEPTH_STENCIL_ATTACHMENT)}else if(useDepth){fbo._depth_rb=initRenderBuffer(gl,width,height,gl.DEPTH_COMPONENT16,gl.DEPTH_ATTACHMENT)}else if(useStencil){fbo._depth_rb=initRenderBuffer(gl,width,height,gl.STENCIL_INDEX,gl.STENCIL_ATTACHMENT)}}var status=gl.checkFramebufferStatus(gl.FRAMEBUFFER);if(status!==gl.FRAMEBUFFER_COMPLETE){fbo._destroyed=true;gl.bindFramebuffer(gl.FRAMEBUFFER,null);gl.deleteFramebuffer(fbo.handle);fbo.handle=null;if(fbo.depth){fbo.depth.dispose();fbo.depth=null}if(fbo._depth_rb){gl.deleteRenderbuffer(fbo._depth_rb);fbo._depth_rb=null}for(var i=0;i<fbo.color.length;++i){fbo.color[i].dispose();fbo.color[i]=null}if(fbo._color_rb){gl.deleteRenderbuffer(fbo._color_rb);fbo._color_rb=null}restoreFBOState(gl,state);throwFBOError(status)}restoreFBOState(gl,state)}function Framebuffer(gl,width,height,colorType,numColors,useDepth,useStencil,ext){var extensions=webglew(gl);this.gl=gl;this._shape=[width|0,height|0];this._destroyed=false;this._ext=ext;this.color=new Array(numColors);for(var i=0;i<numColors;++i){this.color[i]=null}this._color_rb=null;this.depth=null;this._depth_rb=null;this._colorType=colorType;this._useDepth=useDepth;this._useStencil=useStencil;var parent=this;var shapeVector=[width|0,height|0];Object.defineProperties(shapeVector,{0:{get:function(){return parent._shape[0]},set:function(w){return parent.width=w}},1:{get:function(){return parent._shape[1]},set:function(h){return parent.height=h}}});this._shapeVector=shapeVector;rebuildFBO(this)}var proto=Framebuffer.prototype;function reshapeFBO(fbo,w,h){if(fbo._destroyed){throw new Error("gl-fbo: Can't resize destroyed FBO")}if(fbo._shape[0]===w&&fbo._shape[1]===h){return}var gl=fbo.gl;var maxFBOSize=gl.getParameter(gl.MAX_RENDERBUFFER_SIZE);if(w<0||w>maxFBOSize||h<0||h>maxFBOSize){throw new Error("gl-fbo: Can't resize FBO, invalid dimensions")}fbo._shape[0]=w;fbo._shape[1]=h;var state=saveFBOState(gl);for(var i=0;i<fbo.color.length;++i){fbo.color[i].shape=fbo._shape}if(fbo._color_rb){gl.bindRenderbuffer(gl.RENDERBUFFER,fbo._color_rb);gl.renderbufferStorage(gl.RENDERBUFFER,gl.RGBA4,fbo._shape[0],fbo._shape[1])}if(fbo.depth){fbo.depth.shape=fbo._shape}if(fbo._depth_rb){gl.bindRenderbuffer(gl.RENDERBUFFER,fbo._depth_rb);if(fbo._useDepth&&fbo._useStencil){gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_STENCIL,fbo._shape[0],fbo._shape[1])}else if(fbo._useDepth){gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_COMPONENT16,fbo._shape[0],fbo._shape[1])}else if(fbo._useStencil){gl.renderbufferStorage(gl.RENDERBUFFER,gl.STENCIL_INDEX,fbo._shape[0],fbo._shape[1])}}gl.bindFramebuffer(gl.FRAMEBUFFER,fbo.handle);var status=gl.checkFramebufferStatus(gl.FRAMEBUFFER);if(status!==gl.FRAMEBUFFER_COMPLETE){fbo.dispose();restoreFBOState(gl,state);throwFBOError(status)}restoreFBOState(gl,state)}Object.defineProperties(proto,{shape:{get:function(){if(this._destroyed){return[0,0]}return this._shapeVector},set:function(x){if(!Array.isArray(x)){x=[x|0,x|0]}if(x.length!==2){throw new Error("gl-fbo: Shape vector must be length 2")}var w=x[0]|0;var h=x[1]|0;reshapeFBO(this,w,h);return[w,h]},enumerable:false},width:{get:function(){if(this._destroyed){return 0}return this._shape[0]},set:function(w){w=w|0;reshapeFBO(this,w,this._shape[1]);return w},enumerable:false},height:{get:function(){if(this._destroyed){return 0}return this._shape[1]},set:function(h){h=h|0;reshapeFBO(this,this._shape[0],h);return h},enumerable:false}});proto.bind=function(){if(this._destroyed){return}var gl=this.gl;gl.bindFramebuffer(gl.FRAMEBUFFER,this.handle);gl.viewport(0,0,this._shape[0],this._shape[1])};proto.dispose=function(){if(this._destroyed){return}this._destroyed=true;var gl=this.gl;gl.deleteFramebuffer(this.handle);this.handle=null;if(this.depth){this.depth.dispose();this.depth=null}if(this._depth_rb){gl.deleteRenderbuffer(this._depth_rb);this._depth_rb=null}for(var i=0;i<this.color.length;++i){this.color[i].dispose();this.color[i]=null}if(this._color_rb){gl.deleteRenderbuffer(this._color_rb);this._color_rb=null}};function createFBO(gl,width,height,options){if(!FRAMEBUFFER_UNSUPPORTED){FRAMEBUFFER_UNSUPPORTED=gl.FRAMEBUFFER_UNSUPPORTED;FRAMEBUFFER_INCOMPLETE_ATTACHMENT=gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT;FRAMEBUFFER_INCOMPLETE_DIMENSIONS=gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS;FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT=gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT}var extensions=webglew(gl);if(!colorAttachmentArrays&&extensions.WEBGL_draw_buffers){lazyInitColorAttachments(gl,extensions.WEBGL_draw_buffers)}if(Array.isArray(width)){options=height;height=width[1]|0;width=width[0]|0}if(typeof width!=="number"){throw new Error("gl-fbo: Missing shape parameter")}var maxFBOSize=gl.getParameter(gl.MAX_RENDERBUFFER_SIZE);if(width<0||width>maxFBOSize||height<0||height>maxFBOSize){throw new Error("gl-fbo: Parameters are too large for FBO")}options=options||{};var numColors=1;if("color"in options){numColors=Math.max(options.color|0,0);if(numColors<0){throw new Error("gl-fbo: Must specify a nonnegative number of colors")}if(numColors>1){var mrtext=extensions.WEBGL_draw_buffers;if(!mrtext){throw new Error("gl-fbo: Multiple draw buffer extension not supported")}else if(numColors>gl.getParameter(mrtext.MAX_COLOR_ATTACHMENTS_WEBGL)){throw new Error("gl-fbo: Context does not support "+numColors+" draw buffers")}}}var colorType=gl.UNSIGNED_BYTE;if(options.float&&numColors>0){if(!extensions.OES_texture_float){throw new Error("gl-fbo: Context does not support floating point textures")}colorType=gl.FLOAT}else if(options.preferFloat&&numColors>0){if(extensions.OES_texture_float){colorType=gl.FLOAT}}var useDepth=true;if("depth"in options){useDepth=!!options.depth}var useStencil=false;if("stencil"in options){useStencil=!!options.stencil}return new Framebuffer(gl,width,height,colorType,numColors,useDepth,useStencil,extensions.WEBGL_draw_buffers)}},{"gl-texture2d":122,webglew:124}],114:[function(require,module,exports){arguments[4][8][0].apply(exports,arguments)},{"cwise-compiler":115,dup:8}],115:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":117,dup:9}],116:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:118}],117:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":116,dup:11}],118:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],119:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],120:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],121:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":119,buffer:1,dup:120}],122:[function(require,module,exports){"use strict";var ndarray=require("ndarray");var ops=require("ndarray-ops");var pool=require("typedarray-pool");var webglew=require("webglew");module.exports=createTexture2D;var linearTypes=null;var filterTypes=null;var wrapTypes=null;function lazyInitLinearTypes(gl){linearTypes=[gl.LINEAR,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_NEAREST];filterTypes=[gl.NEAREST,gl.LINEAR,gl.NEAREST_MIPMAP_NEAREST,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_LINEAR];wrapTypes=[gl.REPEAT,gl.CLAMP_TO_EDGE,gl.MIRRORED_REPEAT]}var convertFloatToUint8=function(out,inp){ops.muls(out,inp,255)};function reshapeTexture(tex,w,h){var gl=tex.gl;var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(w<0||w>maxSize||h<0||h>maxSize){throw new Error("gl-texture2d: Invalid texture size")}tex._shape=[w,h];tex.bind();gl.texImage2D(gl.TEXTURE_2D,0,tex.format,w,h,0,tex.format,tex.type,null);tex._mipLevels=[0];return tex}function Texture2D(gl,handle,width,height,format,type){this.gl=gl;this.handle=handle;this.format=format;this.type=type;this._shape=[width,height];this._mipLevels=[0];this._magFilter=gl.NEAREST;this._minFilter=gl.NEAREST;this._wrapS=gl.CLAMP_TO_EDGE;this._wrapT=gl.CLAMP_TO_EDGE;this._anisoSamples=1;var parent=this;var wrapVector=[this._wrapS,this._wrapT];Object.defineProperties(wrapVector,[{get:function(){return parent._wrapS},set:function(v){return parent.wrapS=v}},{get:function(){return parent._wrapT},set:function(v){return parent.wrapT=v}}]);this._wrapVector=wrapVector;var shapeVector=[this._shape[0],this._shape[1]];Object.defineProperties(shapeVector,[{get:function(){return parent._shape[0]},set:function(v){return parent.width=v}},{get:function(){return parent._shape[1]},set:function(v){return parent.height=v}}]);this._shapeVector=shapeVector}var proto=Texture2D.prototype;Object.defineProperties(proto,{minFilter:{get:function(){return this._minFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!webglew(gl).texture_float_linear){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,v);return this._minFilter=v}},magFilter:{get:function(){return this._magFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!webglew(gl).texture_float_linear){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,v);return this._magFilter=v}},mipSamples:{get:function(){return this._anisoSamples},set:function(i){var psamples=this._anisoSamples;this._anisoSamples=Math.max(i,1)|0;if(psamples!==this._anisoSamples){var ext=webglew(this.gl).EXT_texture_filter_anisotropic;if(ext){this.gl.texParameterf(this.gl.TEXTURE_2D,ext.TEXTURE_MAX_ANISOTROPY_EXT,this._anisoSamples)}}return this._anisoSamples}},wrapS:{get:function(){return this._wrapS},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,v);return this._wrapS=v}},wrapT:{get:function(){return this._wrapT},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,v);return this._wrapT=v}},wrap:{get:function(){return this._wrapVector},set:function(v){if(!Array.isArray(v)){v=[v,v]}if(v.length!==2){throw new Error("gl-texture2d: Must specify wrap mode for rows and columns")}for(var i=0;i<2;++i){if(wrapTypes.indexOf(v[i])<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}}this._wrapS=v[0];this._wrapT=v[1];var gl=this.gl;this.bind();gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,this._wrapS);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,this._wrapT);return v}},shape:{get:function(){return this._shapeVector},set:function(x){if(!Array.isArray(x)){x=[x|0,x|0]}else{if(x.length!==2){throw new Error("gl-texture2d: Invalid texture shape")}}reshapeTexture(this,x[0]|0,x[1]|0);return[x[0]|0,x[1]|0]}},width:{get:function(){return this._shape[0]},set:function(w){w=w|0;reshapeTexture(this,w,this._shape[1]);return w}},height:{get:function(){return this._shape[1]},set:function(h){h=h|0;reshapeTexture(this,this._shape[0],h);return h}}});proto.bind=function(unit){var gl=this.gl;if(unit!==undefined){gl.activeTexture(gl.TEXTURE0+(unit|0))}gl.bindTexture(gl.TEXTURE_2D,this.handle);if(unit!==undefined){return unit|0}return gl.getParameter(gl.ACTIVE_TEXTURE)-gl.TEXTURE0};proto.dispose=function(){this.gl.deleteTexture(this.handle)};proto.generateMipmap=function(){this.bind();this.gl.generateMipmap(this.gl.TEXTURE_2D);var l=Math.min(this._shape[0],this._shape[1]);for(var i=0;l>0;++i,l>>>=1){if(this._mipLevels.indexOf(i)<0){this._mipLevels.push(i)}}};proto.setPixels=function(data,x_off,y_off,mip_level){var gl=this.gl;this.bind();if(Array.isArray(x_off)){mip_level=y_off;y_off=x_off[1]|0;x_off=x_off[0]|0}else{x_off=x_off||0;y_off=y_off||0}mip_level=mip_level||0;if(data instanceof HTMLCanvasElement||data instanceof ImageData||data instanceof HTMLImageElement||data instanceof HTMLVideoElement){var needsMip=this._mipLevels.indexOf(mip_level)<0;if(needsMip){gl.texImage2D(gl.TEXTURE_2D,0,this.format,this.format,this.type,data);this._mipLevels.push(mip_level)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,this.format,this.type,data)}}else if(data.shape&&data.stride&&data.data){if(data.shape.length<2||x_off+data.shape[1]>this._shape[1]>>>mip_level||y_off+data.shape[0]>this._shape[0]>>>mip_level||x_off<0||y_off<0){throw new Error("gl-texture2d: Texture dimensions are out of bounds")}texSubImageArray(gl,x_off,y_off,mip_level,this.format,this.type,this._mipLevels,data)}else{throw new Error("gl-texture2d: Unsupported data type")}};function isPacked(shape,stride){if(shape.length===3){return stride[2]===1&&stride[1]===shape[0]*shape[2]&&stride[0]===shape[2]}return stride[0]===1&&stride[1]===shape[0]}function texSubImageArray(gl,x_off,y_off,mip_level,cformat,ctype,mipLevels,array){var dtype=array.dtype;var shape=array.shape.slice();if(shape.length<2||shape.length>3){throw new Error("gl-texture2d: Invalid ndarray, must be 2d or 3d")}var type=0,format=0;var packed=isPacked(shape,array.stride.slice());if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var channels=1;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}channels=shape[2]}else{throw new Error("gl-texture2d: Invalid shape for texture")}if((format===gl.LUMINANCE||format===gl.ALPHA)&&(cformat===gl.LUMINANCE||cformat===gl.ALPHA)){format=cformat}if(format!==cformat){throw new Error("gl-texture2d: Incompatible texture format for setPixels")}var size=array.size;var needsMip=mipLevels.indexOf(mip_level)<0;if(needsMip){mipLevels.push(mip_level)}if(type===ctype&&packed){if(array.offset===0&&array.data.length===size){if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data)}}else{if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data.subarray(array.offset,array.offset+size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data.subarray(array.offset,array.offset+size))}}}else{var pack_buffer;if(ctype===gl.FLOAT){pack_buffer=pool.mallocFloat32(size)}else{pack_buffer=pool.mallocUint8(size)}var pack_view=ndarray(pack_buffer,shape,[shape[2],shape[2]*shape[0],1]);if(type===gl.FLOAT&&ctype===gl.UNSIGNED_BYTE){convertFloatToUint8(pack_view,array)}else{ops.assign(pack_view,array)}if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,pack_buffer.subarray(0,size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,pack_buffer.subarray(0,size))}if(ctype===gl.FLOAT){pool.freeFloat32(pack_buffer)}else{pool.freeUint8(pack_buffer)}}}function initTexture(gl){var tex=gl.createTexture();gl.bindTexture(gl.TEXTURE_2D,tex);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);return tex}function createTextureShape(gl,width,height,format,type){var maxTextureSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(width<0||width>maxTextureSize||height<0||height>maxTextureSize){throw new Error("gl-texture2d: Invalid texture shape")}if(type===gl.FLOAT&&!webglew(gl).texture_float){throw new Error("gl-texture2d: Floating point textures not supported on this platform")}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,width,height,0,format,type,null);
return new Texture2D(gl,tex,width,height,format,type)}function createTextureDOM(gl,element,format,type){var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,format,type,element);return new Texture2D(gl,tex,element.width|0,element.height|0,format,type)}function createTextureArray(gl,array){var dtype=array.dtype;var shape=array.shape.slice();var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(shape[0]<0||shape[0]>maxSize||shape[1]<0||shape[1]>maxSize){throw new Error("gl-texture2d: Invalid texture size")}var packed=isPacked(shape,array.stride.slice());var type=0;if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var format=0;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}}else{throw new Error("gl-texture2d: Invalid shape for texture")}if(type===gl.FLOAT&&!webglew(gl).texture_float){type=gl.UNSIGNED_BYTE;packed=false}var buffer,buf_store;var size=array.size;if(!packed){var stride=[shape[2],shape[2]*shape[0],1];buf_store=pool.malloc(size,dtype);var buf_array=ndarray(buf_store,shape,stride,0);if((dtype==="float32"||dtype==="float64")&&type===gl.UNSIGNED_BYTE){convertFloatToUint8(buf_array,array)}else{ops.assign(buf_array,array)}buffer=buf_store.subarray(0,size)}else if(array.offset===0&&array.data.length===size){buffer=array.data}else{buffer=array.data.subarray(array.offset,array.offset+size)}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,shape[0],shape[1],0,format,type,buffer);if(!packed){pool.free(buf_store)}return new Texture2D(gl,tex,shape[0],shape[1],format,type)}function createTexture2D(gl){if(arguments.length<=1){throw new Error("gl-texture2d: Missing arguments for texture2d constructor")}if(!linearTypes){lazyInitLinearTypes(gl)}if(typeof arguments[1]==="number"){return createTextureShape(gl,arguments[1],arguments[2],arguments[3]||gl.RGBA,arguments[4]||gl.UNSIGNED_BYTE)}if(Array.isArray(arguments[1])){return createTextureShape(gl,arguments[1][0]|0,arguments[1][1]|0,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}if(typeof arguments[1]==="object"){var obj=arguments[1];if(obj instanceof HTMLCanvasElement||obj instanceof HTMLImageElement||obj instanceof HTMLVideoElement||obj instanceof ImageData){return createTextureDOM(gl,obj,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}else if(obj.shape&&obj.data&&obj.stride){return createTextureArray(gl,obj)}}throw new Error("gl-texture2d: Invalid arguments for texture2d constructor")}},{ndarray:177,"ndarray-ops":114,"typedarray-pool":121,webglew:124}],123:[function(require,module,exports){arguments[4][16][0].apply(exports,arguments)},{dup:16}],124:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{dup:17,"weak-map":123}],125:[function(require,module,exports){module.exports=fromQuat;function fromQuat(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}},{}],126:[function(require,module,exports){module.exports=identity;function identity(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}},{}],127:[function(require,module,exports){module.exports=invert;function invert(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}},{}],128:[function(require,module,exports){var identity=require("./identity");module.exports=lookAt;function lookAt(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)<1e-6&&Math.abs(eyey-centery)<1e-6&&Math.abs(eyez-centerz)<1e-6){return 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}},{"./identity":126}],129:[function(require,module,exports){module.exports=multiply;function multiply(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}},{}],130:[function(require,module,exports){module.exports=perspective;function perspective(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}},{}],131:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],132:[function(require,module,exports){module.exports=require("cwise-compiler")},{"cwise-compiler":133}],133:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":135,dup:9}],134:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:136}],135:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":134,dup:11}],136:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],137:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],138:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":131,buffer:1,dup:137}],139:[function(require,module,exports){"use strict";module.exports=createSelectBuffer;var createFBO=require("gl-fbo");var pool=require("typedarray-pool");var ndarray=require("ndarray");var nextPow2=require("bit-twiddle").nextPow2;var selectRange=require("cwise/lib/wrapper")({args:["array",{offset:[0,0,1],array:0},{offset:[0,0,2],array:0},{offset:[0,0,3],array:0},"scalar","scalar","scalar","index"],pre:{body:"{this_closestX=-1,this_closestY=-1,this_closestD2=1e8}",args:[],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:[]},body:{body:"{if(255>_inline_1_arg0_){var _inline_1_a=_inline_1_arg4_-_inline_1_arg7_[0],_inline_1_f=_inline_1_arg5_-_inline_1_arg7_[1],_inline_1_n=_inline_1_a*_inline_1_a+_inline_1_f*_inline_1_f;_inline_1_n<this_closestD2&&(this_closestD2=_inline_1_n,this_closestX=_inline_1_arg7_[0],this_closestY=_inline_1_arg7_[1])}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_1_arg2_",lvalue:false,rvalue:false,count:0},{name:"_inline_1_arg3_",lvalue:false,rvalue:false,count:0},{name:"_inline_1_arg4_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg5_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg6_",lvalue:false,rvalue:false,count:0},{name:"_inline_1_arg7_",lvalue:false,rvalue:true,count:4}],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:["_inline_1_a","_inline_1_f","_inline_1_n"]},post:{body:"{_inline_2_arg6_[0]=this_closestX,_inline_2_arg6_[1]=this_closestY,_inline_2_arg6_[2]=this_closestD2}",args:[{name:"_inline_2_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_2_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_2_arg2_",lvalue:false,rvalue:false,count:0},{name:"_inline_2_arg3_",lvalue:false,rvalue:false,count:0},{name:"_inline_2_arg4_",lvalue:false,rvalue:false,count:0},{name:"_inline_2_arg5_",lvalue:false,rvalue:false,count:0},{name:"_inline_2_arg6_",lvalue:false,rvalue:true,count:3}],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:[]},debug:false,funcName:"cwise",blockSize:64});function SelectResult(x,y,id,value,distance){this.coord=[x,y];this.id=id;this.value=value;this.distance=distance}function SelectBuffer(gl,fbo,buffer){this.gl=gl;this.fbo=fbo;this.buffer=buffer;this._readTimeout=null;this._selectResult=new SelectResult(0,0,0,[0,0,0],Infinity);this._region=ndarray(this.buffer,[fbo.width,fbo.height,4],[4,4*fbo.width,1],0);var self=this;this._readCallback=function(){fbo.bind();gl.readPixels(0,0,fbo.shape[0],fbo.shape[1],gl.RGBA,gl.UNSIGNED_BYTE,self.buffer);self._readTimeout=null}}var proto=SelectBuffer.prototype;Object.defineProperty(proto,"shape",{get:function(){return this.fbo.shape.slice()},set:function(v){this.fbo.shape=v;var c=this.fbo.shape[0];var r=this.fbo.shape[1];if(r*c*4>this.buffer.length){pool.free(this.buffer);var buffer=this.buffer=pool.mallocUint8(nextPow2(r*c*4));for(var i=0;i<r*c*4;++i){buffer[i]=255}}return v}});proto.begin=function(){var gl=this.gl;var shape=this.shape;this.fbo.bind();gl.clearColor(1,1,1,1);gl.clear(gl.COLOR_BUFFER_BIT|gl.DEPTH_BUFFER_BIT)};proto.end=function(){var gl=this.gl;gl.bindFramebuffer(gl.FRAMEBUFFER,null);if(!this._readTimeout){clearTimeout(this._readTimeout)}this._readTimeout=setTimeout(this._readCallback,1)};var QUERY_RESULT=[0,0,0];proto.query=function(x,y,radius){var w=this.fbo.width;var h=this.fbo.height;x=x|0;y=y|0;if(typeof radius!=="number"){radius=1}var x0=Math.min(x-radius,w)|0;var x1=Math.min(Math.max(x+radius,0),w)|0;var y0=Math.min(y-radius,h)|0;var y1=Math.min(Math.max(y+radius,0),h)|0;var xr=radius;if(x0<0){xr+=x0;x0=0}var yr=radius;if(y0<0){yr+=y0;y0=0}if(x1<=x0||y1<=y0){return null}var region=this._region;region.data=this.buffer;region.shape[0]=x1-x0|0;region.shape[1]=y1-y0|0;region.shape[2]=4;region.stride[0]=4;region.stride[1]=4*w;region.stride[2]=1;region.offset=4*(x0+w*y0);selectRange(region,xr,yr,QUERY_RESULT);var dx=QUERY_RESULT[0];var dy=QUERY_RESULT[1];var d2=QUERY_RESULT[2];if(dx<0||Math.pow(radius,2)<d2){return null}var xc=x0+dx|0;var yc=y0+dy|0;var result=this._selectResult;result.coord[0]=xc;result.coord[1]=yc;result.id=region.get(dx,dy,0);result.value[0]=region.get(dx,dy,1);result.value[1]=region.get(dx,dy,2);result.value[2]=region.get(dx,dy,3);result.distance=Math.sqrt(d2);return result};proto.dispose=function(){this.fbo.dispose();pool.free(this.buffer)};function createSelectBuffer(gl,shape){var fbo=createFBO(gl,shape);var buffer=pool.mallocUint8(shape[0]*shape[1]*4);return new SelectBuffer(gl,fbo,buffer)}},{"bit-twiddle":131,"cwise/lib/wrapper":132,"gl-fbo":113,ndarray:177,"typedarray-pool":138}],140:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms");var createAttributeWrapper=require("./lib/create-attributes");var makeReflect=require("./lib/reflect");var shaderCache=require("./lib/shader-cache");var runtime=require("./lib/runtime-reflect");function Shader(gl){this.gl=gl;this._vref=this._fref=this._relink=this.vertShader=this.fragShader=this.program=this.attributes=this.uniforms=this.types=null}var proto=Shader.prototype;proto.bind=function(){if(!this.program){this._relink()}this.gl.useProgram(this.program)};proto.dispose=function(){if(this._fref){this._fref.dispose()}if(this._vref){this._vref.dispose()}this.attributes=this.types=this.vertShader=this.fragShader=this.program=this._relink=this._fref=this._vref=null};function compareAttributes(a,b){if(a.name<b.name){return-1}return 1}proto.update=function(vertSource,fragSource,uniforms,attributes){if(!fragSource||arguments.length===1){var obj=vertSource;vertSource=obj.vertex;fragSource=obj.fragment;uniforms=obj.uniforms;attributes=obj.attributes}var wrapper=this;var gl=wrapper.gl;var pvref=wrapper._vref;wrapper._vref=shaderCache.shader(gl,gl.VERTEX_SHADER,vertSource);if(pvref){pvref.dispose()}wrapper.vertShader=wrapper._vref.shader;var pfref=this._fref;wrapper._fref=shaderCache.shader(gl,gl.FRAGMENT_SHADER,fragSource);if(pfref){pfref.dispose()}wrapper.fragShader=wrapper._fref.shader;if(!uniforms||!attributes){var testProgram=gl.createProgram();gl.attachShader(testProgram,wrapper.fragShader);gl.attachShader(testProgram,wrapper.vertShader);gl.linkProgram(testProgram);if(!gl.getProgramParameter(testProgram,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(testProgram);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}uniforms=uniforms||runtime.uniforms(gl,testProgram);attributes=attributes||runtime.attributes(gl,testProgram);gl.deleteProgram(testProgram)}attributes=attributes.slice();attributes.sort(compareAttributes);var attributeUnpacked=[];var attributeNames=[];var attributeLocations=[];for(var i=0;i<attributes.length;++i){var attr=attributes[i];if(attr.type.indexOf("mat")>=0){var size=attr.type.charAt(attr.type.length-1)|0;var locVector=new Array(size);for(var j=0;j<size;++j){locVector[j]=attributeLocations.length;attributeNames.push(attr.name+"["+j+"]");if(typeof attr.location==="number"){attributeLocations.push(attr.location+j)}else if(Array.isArray(attr.location)&&attr.location.length===size&&typeof attr.location[j]==="number"){attributeLocations.push(attr.location[j]|0)}else{attributeLocations.push(-1)}}attributeUnpacked.push({name:attr.name,type:attr.type,locations:locVector})}else{attributeUnpacked.push({name:attr.name,type:attr.type,locations:[attributeLocations.length]});attributeNames.push(attr.name);if(typeof attr.location==="number"){attributeLocations.push(attr.location|0)}else{attributeLocations.push(-1)}}}var curLocation=0;for(var i=0;i<attributeLocations.length;++i){if(attributeLocations[i]<0){while(attributeLocations.indexOf(curLocation)>=0){curLocation+=1}attributeLocations[i]=curLocation}}var uniformLocations=new Array(uniforms.length);function relink(){wrapper.program=shaderCache.program(gl,wrapper._vref,wrapper._fref,attributeNames,attributeLocations);for(var i=0;i<uniforms.length;++i){uniformLocations[i]=gl.getUniformLocation(wrapper.program,uniforms[i].name)}}relink();wrapper._relink=relink;wrapper.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};wrapper.attributes=createAttributeWrapper(gl,wrapper,attributeUnpacked,attributeLocations);Object.defineProperty(wrapper,"uniforms",createUniformWrapper(gl,wrapper,uniforms,uniformLocations))};function createShader(gl,vertSource,fragSource,uniforms,attributes){var shader=new Shader(gl);shader.update(vertSource,fragSource,uniforms,attributes);return shader}module.exports=createShader},{"./lib/create-attributes":141,"./lib/create-uniforms":142,"./lib/reflect":143,"./lib/runtime-reflect":144,"./lib/shader-cache":145}],141:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;function ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc){this._gl=gl;this._wrapper=wrapper;this._index=index;this._locations=locations;this._dimension=dimension;this._constFunc=constFunc}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var self=this;var gl=self._gl;var location=self._locations[self._index];gl.vertexAttribPointer(location,self._dimension,type||gl.FLOAT,!!normalized,stride||0,offset||0);gl.enableVertexAttribArray(location)};proto.set=function(x0,x1,x2,x3){return this._constFunc(this._locations[this._index],x0,x1,x2,x3)};Object.defineProperty(proto,"location",{get:function(){return this._locations[this._index]},set:function(v){if(v!==this._locations[this._index]){this._locations[this._index]=v|0;this._wrapper.program=null}return v|0}});function addVectorAttribute(gl,wrapper,index,locations,dimension,obj,name){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===void 0){return gl.vertexAttrib"+dimension+"f(v,"+varNames.join()+")}else{return gl.vertexAttrib"+dimension+"fv(v,x0)}");var constFunc=Function.apply(null,constFuncArgs);var attr=new ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(locations[index]);constFunc(gl,locations[index],x);return x},get:function(){return attr},enumerable:true})}function addMatrixAttribute(gl,wrapper,index,locations,dimension,obj,name){var parts=new Array(dimension);var attrs=new Array(dimension);for(var i=0;i<dimension;++i){addVectorAttribute(gl,wrapper,index[i],locations,dimension,parts,i);attrs[i]=parts[i]}Object.defineProperty(parts,"location",{set:function(v){if(Array.isArray){for(var i=0;i<dimension;++i){attrs[i].location=v[i]}}else{for(var i=0;i<dimension;++i){result[i]=attrs[i].location=v+i}}return v},get:function(){var result=new Array(dimension);for(var i=0;i<dimension;++i){result[i]=locations[index[i]]}return result},enumerable:true});parts.pointer=function(type,normalized,stride,offset){type=type||gl.FLOAT;normalized=!!normalized;stride=stride||dimension*dimension;offset=offset||0;for(var i=0;i<dimension;++i){var location=locations[index[i]];gl.vertexAttribPointer(location,dimension,type,normalized,stride,offset+i*dimension);gl.enableVertexAttribArray(location)}};var scratch=new Array(dimension);var vertexAttrib=gl["vertexAttrib"+dimension+"fv"];Object.defineProperty(obj,name,{set:function(x){for(var i=0;i<dimension;++i){var loc=locations[index[i]];gl.disableVertexAttribArray(loc);if(Array.isArray(x[0])){vertexAttrib.call(gl,loc,x[i])}else{for(var j=0;j<dimension;++j){scratch[j]=x[dimension*i+j]}vertexAttrib.call(gl,loc,scratch)}}return x},get:function(){return parts},enumerable:true})}function createAttributeWrapper(gl,wrapper,attributes,locations){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 locs=a.locations;switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,wrapper,locs[0],locations,1,obj,name);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,wrapper,locs[0],locations,d,obj,name)}else if(type.indexOf("mat")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addMatrixAttribute(gl,wrapper,locs,locations,d,obj,name)}else{throw new Error("gl-shader: Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],142:[function(require,module,exports){"use strict";var coallesceUniforms=require("./reflect");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function makeVector(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function createUniformWrapper(gl,wrapper,uniforms,locations){function makeGetter(index){var proc=new Function("gl","wrapper","locations","return function(){return gl.getUniform(wrapper.program,locations["+index+"])}");return proc(gl,wrapper,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("gl-shader: 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("gl-shader: 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("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("gl-shader: 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","locations",code.join("\n"));return proc(gl,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("gl-shader: Invalid data type")}if(type.charAt(0)==="b"){return makeVector(d,false)}return makeVector(d,0)}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("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return makeVector(d*d,0)}else{throw new Error("gl-shader: 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":143}],143:[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}},{}],144:[function(require,module,exports){"use strict";exports.uniforms=runtimeUniforms;exports.attributes=runtimeAttributes;var GL_TO_GLSL_TYPES={FLOAT:"float",FLOAT_VEC2:"vec2",FLOAT_VEC3:"vec3",FLOAT_VEC4:"vec4",INT:"int",INT_VEC2:"ivec2",INT_VEC3:"ivec3",INT_VEC4:"ivec4",BOOL:"bool",BOOL_VEC2:"bvec2",BOOL_VEC3:"bvec3",BOOL_VEC4:"bvec4",FLOAT_MAT2:"mat2",FLOAT_MAT3:"mat3",FLOAT_MAT4:"mat4",SAMPLER_2D:"sampler2D",SAMPLER_CUBE:"samplerCube"};var GL_TABLE=null;function getType(gl,type){if(!GL_TABLE){var typeNames=Object.keys(GL_TO_GLSL_TYPES);GL_TABLE={};for(var i=0;i<typeNames.length;++i){var tn=typeNames[i];GL_TABLE[gl[tn]]=GL_TO_GLSL_TYPES[tn]}}return GL_TABLE[type]}function runtimeUniforms(gl,program){var numUniforms=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS);var result=[];for(var i=0;i<numUniforms;++i){var info=gl.getActiveUniform(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}function runtimeAttributes(gl,program){var numAttributes=gl.getProgramParameter(program,gl.ACTIVE_ATTRIBUTES);var result=[];for(var i=0;i<numAttributes;++i){var info=gl.getActiveAttrib(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}},{}],145:[function(require,module,exports){"use strict";exports.shader=getShaderReference;exports.program=createProgram;var weakMap=typeof WeakMap==="undefined"?require("weakmap-shim"):WeakMap;var CACHE=new weakMap;var SHADER_COUNTER=0;function ShaderReference(id,src,type,shader,programs,count,cache){this.id=id;this.src=src;this.type=type;this.shader=shader;this.count=count;this.programs=[];this.cache=cache}ShaderReference.prototype.dispose=function(){if(--this.count===0){var cache=this.cache;var gl=cache.gl;var programs=this.programs;for(var i=0,n=programs.length;i<n;++i){var p=cache.programs[programs[i]];if(p){delete cache.programs[i];gl.deleteProgram(p)}}gl.deleteShader(this.shader);delete cache.shaders[this.type===gl.FRAGMENT_SHADER|0][this.src]}};function ContextCache(gl){this.gl=gl;this.shaders=[{},{}];this.programs={}}var proto=ContextCache.prototype;function compileShader(gl,type,src){var shader=gl.createShader(type);gl.shaderSource(shader,src);gl.compileShader(shader);if(!gl.getShaderParameter(shader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(shader);console.error("gl-shader: Error compiling shader:",errLog);throw new Error("gl-shader: Error compiling shader:"+errLog)}return shader}proto.getShaderReference=function(type,src){var gl=this.gl;var shaders=this.shaders[type===gl.FRAGMENT_SHADER|0];var shader=shaders[src];if(!shader){var shaderObj=compileShader(gl,type,src);shader=shaders[src]=new ShaderReference(SHADER_COUNTER++,src,type,shaderObj,[],1,this);
}else{shader.count+=1}return shader};function linkProgram(gl,vshader,fshader,attribs,locations){var program=gl.createProgram();gl.attachShader(program,vshader);gl.attachShader(program,fshader);for(var i=0;i<attribs.length;++i){gl.bindAttribLocation(program,locations[i],attribs[i])}gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}return program}proto.getProgram=function(vref,fref,attribs,locations){var token=[vref.id,fref.id,attribs.join(":"),locations.join(":")].join("@");var prog=this.programs[token];if(!prog){this.programs[token]=prog=linkProgram(this.gl,vref.shader,fref.shader,attribs,locations);vref.programs.push(token);fref.programs.push(token)}return prog};function getCache(gl){var ctxCache=CACHE.get(gl);if(!ctxCache){ctxCache=new ContextCache(gl);CACHE.set(gl,ctxCache)}return ctxCache}function getShaderReference(gl,type,src){return getCache(gl).getShaderReference(type,src)}function createProgram(gl,vref,fref,attribs,locations){return getCache(gl).getProgram(vref,fref,attribs,locations)}},{"weakmap-shim":148}],146:[function(require,module,exports){var hiddenStore=require("./hidden-store.js");module.exports=createStore;function createStore(){var key={};return function(obj){if((typeof obj!=="object"||obj===null)&&typeof obj!=="function"){throw new Error("Weakmap-shim: Key must be object")}var store=obj.valueOf(key);return store&&store.identity===key?store:hiddenStore(obj,key)}}},{"./hidden-store.js":147}],147:[function(require,module,exports){module.exports=hiddenStore;function hiddenStore(obj,key){var store={identity:key};var valueOf=obj.valueOf;Object.defineProperty(obj,"valueOf",{value:function(value){return value!==key?valueOf.apply(this,arguments):store},writable:true});return store}},{}],148:[function(require,module,exports){var createStore=require("./create-store.js");module.exports=weakMap;function weakMap(){var privates=createStore();return{get:function(key,fallback){var store=privates(key);return store.hasOwnProperty("value")?store.value:fallback},set:function(key,value){privates(key).value=value},has:function(key){return"value"in privates(key)},"delete":function(key){return delete privates(key).value}}}},{"./create-store.js":146}],149:[function(require,module,exports){arguments[4][7][0].apply(exports,arguments)},{dup:7,ndarray:177,"ndarray-ops":150,"typedarray-pool":157,webglew:159}],150:[function(require,module,exports){arguments[4][8][0].apply(exports,arguments)},{"cwise-compiler":151,dup:8}],151:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{"./lib/thunk.js":153,dup:9}],152:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10,uniq:154}],153:[function(require,module,exports){arguments[4][11][0].apply(exports,arguments)},{"./compile.js":152,dup:11}],154:[function(require,module,exports){arguments[4][12][0].apply(exports,arguments)},{dup:12}],155:[function(require,module,exports){arguments[4][13][0].apply(exports,arguments)},{dup:13}],156:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],157:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":155,buffer:1,dup:156}],158:[function(require,module,exports){arguments[4][16][0].apply(exports,arguments)},{dup:16}],159:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{dup:17,"weak-map":158}],160:[function(require,module,exports){arguments[4][18][0].apply(exports,arguments)},{dup:18}],161:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{"./do-bind.js":160,dup:19}],162:[function(require,module,exports){arguments[4][20][0].apply(exports,arguments)},{"./do-bind.js":160,dup:20}],163:[function(require,module,exports){arguments[4][16][0].apply(exports,arguments)},{dup:16}],164:[function(require,module,exports){arguments[4][17][0].apply(exports,arguments)},{dup:17,"weak-map":163}],165:[function(require,module,exports){arguments[4][23][0].apply(exports,arguments)},{"./lib/vao-emulated.js":161,"./lib/vao-native.js":162,dup:23,webglew:164}],166:[function(require,module,exports){"use strict";var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var glslify=require("glslify");module.exports=createSpikes;var createShader=require("glslify/adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position, color;\nuniform mat4 model, view, projection;\nuniform vec3 coordinates[3];\nuniform vec4 colors[3];\nvarying vec4 fragColor;\nvoid main() {\n vec3 vertexPosition = mix(coordinates[0], mix(coordinates[2], coordinates[1], 0.5 * (position + 1.0)), abs(position));\n vec4 worldCoordinate = model * vec4(vertexPosition, 1.0);\n vec4 viewCoordinate = view * worldCoordinate;\n vec4 clipCoordinate = projection * viewCoordinate;\n gl_Position = clipCoordinate;\n fragColor = color.x * colors[0] + color.y * colors[1] + color.z * colors[2];\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nvarying vec4 fragColor;\nvoid main() {\n gl_FragColor = fragColor;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"coordinates[0]",type:"vec3"},{name:"coordinates[1]",type:"vec3"},{name:"coordinates[2]",type:"vec3"},{name:"colors[0]",type:"vec4"},{name:"colors[1]",type:"vec4"},{name:"colors[2]",type:"vec4"}],[{name:"position",type:"vec3"},{name:"color",type:"vec3"}]);var identity=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];function AxisSpikes(gl,buffer,vao,shader){this.gl=gl;this.buffer=buffer;this.vao=vao;this.shader=shader;this.bounds=[[-1e3,-1e3,-1e3],[1e3,1e3,1e3]];this.position=[0,0,0];this.lineWidth=[2,2,2];this.colors=[[0,0,0,1],[0,0,0,1],[0,0,0,1]];this.enabled=[true,true,true];this.drawSides=[true,true,true];this.axes=null}var proto=AxisSpikes.prototype;var OUTER_FACE=[0,0,0];var INNER_FACE=[0,0,0];proto.isTransparent=function(){return false};proto.drawTransparent=function(camera){};proto.draw=function(camera){var gl=this.gl;var vao=this.vao;var shader=this.shader;vao.bind();shader.bind();var model=camera.model||identity;var view=camera.view||identity;var projection=camera.projection||identity;var axis;if(this.axes){axis=this.axes.lastCubeProps.axis}var outerFace=OUTER_FACE;var innerFace=INNER_FACE;for(var i=0;i<3;++i){if(axis&&axis[i]<0){outerFace[i]=this.bounds[0][i];innerFace[i]=this.bounds[1][i]}else{outerFace[i]=this.bounds[1][i];innerFace[i]=this.bounds[0][i]}}shader.uniforms.model=model;shader.uniforms.view=view;shader.uniforms.projection=projection;shader.uniforms.coordinates=[this.position,outerFace,innerFace];shader.uniforms.colors=this.colors;for(var i=0;i<3;++i){gl.lineWidth(this.lineWidth[i]);if(this.enabled[i]){vao.draw(gl.LINES,2,2*i);if(this.drawSides[i]){vao.draw(gl.LINES,4,6+4*i)}}}vao.unbind()};proto.update=function(options){if(!options){return}if("bounds"in options){this.bounds=options.bounds}if("position"in options){this.position=options.position}if("lineWidth"in options){this.lineWidth=options.lineWidth}if("colors"in options){this.colors=options.colors}if("enabled"in options){this.enabled=options.enabled}if("drawSides"in options){this.drawSides=options.drawSides}};proto.dispose=function(){this.vao.dispose();this.buffer.dispose();this.shader.dispose()};function createSpikes(gl,options){var data=[0,0,0,1,0,0,1,0,0,1,0,0,0,0,0,0,1,0,0,1,0,0,1,0,0,0,0,0,0,1,0,0,1,0,0,1,1,-1,0,1,0,0,1,1,0,1,0,0,1,0,-1,1,0,0,1,0,1,1,0,0,-1,1,0,0,1,0,1,1,0,0,1,0,0,1,-1,0,1,0,0,1,1,0,1,0,-1,0,1,0,0,1,1,0,1,0,0,1,0,-1,1,0,0,1,0,1,1,0,0,1];var buffer=createBuffer(gl,data);var vao=createVAO(gl,[{type:gl.FLOAT,buffer:buffer,size:3,offset:0,stride:24},{type:gl.FLOAT,buffer:buffer,size:3,offset:12,stride:24}]);var shader=createShader(gl);shader.attributes.position.location=0;shader.attributes.color.location=1;var spikes=new AxisSpikes(gl,buffer,vao,shader);spikes.update(options);return spikes}},{"gl-buffer":149,"gl-vao":165,glslify:168,"glslify/adapter.js":167}],167:[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":173}],168:[function(require,module,exports){module.exports=noop;function noop(){throw new Error("You should bundle your code "+"using `glslify` as a transform.")}},{}],169:[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,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===void 0){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("gl-shader: Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,program,location,d,obj,name,doLink)}else{throw new Error("gl-shader: Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],170:[function(require,module,exports){"use strict";var dup=require("dup");var coallesceUniforms=require("./reflect");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("gl-shader: 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("gl-shader: 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("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("gl-shader: 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("gl-shader: 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("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return dup([d,d])}else{throw new Error("gl-shader: 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":171,dup:172}],171:[function(require,module,exports){arguments[4][143][0].apply(exports,arguments)},{dup:143}],172:[function(require,module,exports){arguments[4][14][0].apply(exports,arguments)},{dup:14}],173:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms");var createAttributeWrapper=require("./lib/create-attributes");var makeReflect=require("./lib/reflect");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("gl-shader: Error compling vertex shader:",errLog);throw new Error("gl-shader: 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("gl-shader: Error compiling fragment shader:",errLog);throw new Error("gl-shader: Error compiling fragment shader:"+errLog)}var program=gl.createProgram();gl.attachShader(program,fragShader);gl.attachShader(program,vertShader);attributes.forEach(function(a){if(typeof a.location==="number")gl.bindAttribLocation(program,a.location,a.name)});gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("gl-shader: Error linking shader program:",errLog);throw new Error("gl-shader: 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":169,"./lib/create-uniforms":170,"./lib/reflect":171}],174:[function(require,module,exports){module.exports=programify;function programify(vertex,fragment,uniforms,attributes){return{vertex:vertex,fragment:fragment,uniforms:uniforms,attributes:attributes}}},{}],175:[function(require,module,exports){"use strict";module.exports=mouseListen;var mouse=require("mouse-event");function mouseListen(element,callback){if(!callback){callback=element;element=window}var buttonState=0;var x=0;var y=0;var mods={shift:false,alt:false,control:false,meta:false};function updateMods(ev){var changed=false;if("altKey"in ev){changed=changed||ev.altKey!==mods.alt;mods.alt=!!ev.altKey}if("shiftKey"in ev){changed=changed||ev.shiftKey!==mods.shift;mods.shift=!!ev.shiftKey}if("ctrlKey"in ev){changed=changed||ev.ctrlKey!==mods.control;mods.control=!!ev.ctrlKey}if("metaKey"in ev){changed=changed||ev.metaKey!==mods.meta;mods.meta=!!ev.metaKey}return changed}function handleEvent(nextButtons,ev){var nextX=mouse.x(ev);var nextY=mouse.y(ev);if("buttons"in ev){nextButtons=ev.buttons|0}if(nextButtons!==buttonState||nextX!==x||nextY!==y||updateMods(ev)){buttonState=nextButtons|0;x=nextX||0;y=nextY||0;callback(buttonState,x,y,mods)}}function clearState(ev){handleEvent(0,ev)}function handleBlur(){if(buttonState||x||y||mods.shift||mods.alt||mods.meta||mods.control){x=y=0;buttonState=0;mods.shift=mods.alt=mods.control=mods.meta=false;callback(0,0,0,mods)}}function handleMods(ev){if(updateMods(ev)){callback(buttonState,x,y,mods)}}element.addEventListener("mousemove",function(ev){if(mouse.buttons(ev)===0){handleEvent(0,ev)}else{handleEvent(buttonState,ev)}});element.addEventListener("mousedown",function(ev){handleEvent(buttonState|mouse.buttons(ev),ev)});element.addEventListener("mouseup",function(ev){handleEvent(buttonState&~mouse.buttons(ev),ev)});element.addEventListener("mouseleave",clearState);element.addEventListener("mouseenter",clearState);element.addEventListener("mouseout",clearState);element.addEventListener("mouseover",clearState);element.addEventListener("blur",handleBlur);element.addEventListener("keyup",handleMods);element.addEventListener("keydown",handleMods);element.addEventListener("keypress",handleMods);if(element!==window){window.addEventListener("blur",handleBlur);window.addEventListener("keyup",handleMods);window.addEventListener("keydown",handleMods);window.addEventListener("keypress",handleMods)}}},{"mouse-event":176}],176:[function(require,module,exports){"use strict";function mouseButtons(ev){if(typeof ev==="object"){if("buttons"in ev){return ev.buttons}else if("which"in ev){var b=ev.which;if(b===2){return 4}else if(b===3){return 2}else if(b>0){return 1<<b-1}}else if("button"in ev){var b=ev.button;if(b===1){return 4}else if(b===2){return 2}else if(b>=0){return 1<<b}}}return 0}exports.buttons=mouseButtons;function mouseElement(ev){return ev.target||ev.srcElement||window}exports.element=mouseElement;function mouseRelativeX(ev){if(typeof ev==="object"){if("offsetX"in ev){return ev.offsetX}var target=mouseElement(ev);if("clientX"in ev){return ev.clientX-target.clientLeft}if("pageX"in ev){return ev.pageX-target.offsetLeft}}return 0}exports.x=mouseRelativeX;function mouseRelativeY(ev){if(typeof ev==="object"){if("offsetY"in ev){return ev.offsetY}var target=mouseElement(ev);if("clientY"in ev){return ev.clientY-target.clientTop}if("pageX"in ev){return ev.pageY-target.offsetTop}}return 0}exports.y=mouseRelativeY},{}],177:[function(require,module,exports){(function(Buffer){var iota=require("iota-array");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("+");var shapeArg=indices.map(function(i){return"b"+i}).join(",");var strideArg=indices.map(function(i){return"c"+i}).join(",");code.push("function "+className+"(a,"+shapeArg+","+strideArg+",d){this.data=a","this.shape=["+shapeArg+"]","this.stride=["+strideArg+"]","this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);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.stride[0])>Math.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);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":178}],178:[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},{}],179:[function(require,module,exports){module.exports=function parseUnit(str,out){if(!out)out=[0,""];str=String(str);var num=parseFloat(str,10);out[0]=num;out[1]=str.match(/[\d.\-\+]*\s*(.*)/)[1]||"";return out}},{}],180:[function(require,module,exports){"use strict";var parseUnit=require("parse-unit");module.exports=toPX;var PIXELS_PER_INCH=96;function getPropertyInPX(element,prop){var parts=parseUnit(getComputedStyle(element).getPropertyValue(prop));return parts[0]*toPX(parts[1],element)}function getSizeBrutal(unit,element){var testDIV=document.createElement("div");testDIV.style["font-size"]="128"+unit;element.appendChild(testDIV);var size=getPropertyInPX(testDIV,"font-size")/128;element.removeChild(testDIV);return size}function toPX(str,element){element=element||document.body;str=(str||"px").trim().toLowerCase();if(element===window||element===document){element=document.body}switch(str){case"%":return element.clientHeight/100;case"ch":case"ex":return getSizeBrutal(str,element);case"em":return getPropertyInPX(element,"font-size");case"rem":return getPropertyInPX(document.body,"font-size");case"vw":return window.innerWidth/100;case"vh":return window.innerHeight/100;case"vmin":return Math.min(window.innerWidth,window.innerHeight)/100;case"vmax":return Math.max(window.innerWidth,window.innerHeight)/100;case"in":return PIXELS_PER_INCH;case"cm":return PIXELS_PER_INCH/2.54;case"mm":return PIXELS_PER_INCH/25.4;case"pt":return PIXELS_PER_INCH/72;case"pc":return PIXELS_PER_INCH/6}return 1}},{"parse-unit":179}],181:[function(require,module,exports){"use strict";var toPX=require("to-px");module.exports=mouseWheelListen;function mouseWheelListen(element,callback,noScroll){if(typeof element==="function"){noScroll=!!callback;callback=element;element=window}var lineHeight=toPX("ex",element);element.addEventListener("wheel",function(ev){if(noScroll){ev.preventDefault()}var dx=ev.deltaX||0;var dy=ev.deltaY||0;var dz=ev.deltaZ||0;var mode=ev.deltaMode;var scale=1;switch(mode){case 1:scale=lineHeight;break;case 2:scale=window.innerHeight;break}dx*=scale;dy*=scale;dz*=scale;if(dx||dy||dz){return callback(dx,dy,dz)}})}},{"to-px":180}],182:[function(require,module,exports){"use strict";module.exports=quatFromFrame;function quatFromFrame(out,rx,ry,rz,ux,uy,uz,fx,fy,fz){var tr=rx+uy+fz;if(l>0){var l=Math.sqrt(tr+1);out[0]=.5*(uz-fy)/l;out[1]=.5*(fx-rz)/l;out[2]=.5*(ry-uy)/l;out[3]=.5*l}else{var tf=Math.max(rx,uy,fz);var l=Math.sqrt(2*tf-tr+1);if(rx>=tf){out[0]=.5*l;out[1]=.5*(ux+ry)/l;out[2]=.5*(fx+rz)/l;out[3]=.5*(uz-fy)/l}else if(uy>=tf){out[0]=.5*(ry+ux)/l;out[1]=.5*l;out[2]=.5*(fy+uz)/l;out[3]=.5*(fx-rz)/l}else{out[0]=.5*(rz+fx)/l;out[1]=.5*(uz+fy)/l;out[2]=.5*l;out[3]=.5*(ry-ux)/l}}return out}},{}],183:[function(require,module,exports){"use strict";module.exports=createFilteredVector;var cubicHermite=require("cubic-hermite");var bsearch=require("binary-search-bounds");function clamp(lo,hi,x){return Math.min(hi,Math.max(lo,x))}function FilteredVector(state0,velocity0,t0){this.dimension=state0.length;this.bounds=[new Array(this.dimension),new Array(this.dimension)];for(var i=0;i<this.dimension;++i){this.bounds[0][i]=-Infinity;this.bounds[1][i]=Infinity}this._state=state0.slice().reverse();this._velocity=velocity0.slice().reverse();this._time=[t0];this._scratch=[state0.slice(),state0.slice(),state0.slice(),state0.slice(),state0.slice()]}var proto=FilteredVector.prototype;proto.flush=function(t){var idx=bsearch.gt(this._time,t)-1;if(idx<=0){return}this._time.splice(0,idx);this._state.splice(0,idx*this.dimension);this._velocity.splice(0,idx*this.dimension)};proto.curve=function(t){var time=this._time;var n=time.length;var idx=bsearch.le(time,t);var result=this._scratch[0];var state=this._state;var velocity=this._velocity;var d=this.dimension;var bounds=this.bounds;if(idx>=n-1){var ptr=state.length-1;var tf=t-time[n-1];for(var i=0;i<d;++i,--ptr){result[i]=state[ptr]+tf*velocity[ptr]}}else{var ptr=d*(idx+1)-1;var t0=time[idx];var t1=time[idx+1];var dt=t1-t0||1;var x0=this._scratch[1];var x1=this._scratch[2];var v0=this._scratch[3];var v1=this._scratch[4];var steady=true;for(var i=0;i<d;++i,--ptr){x0[i]=state[ptr];v0[i]=velocity[ptr]*dt;x1[i]=state[ptr+d];v1[i]=velocity[ptr+d]*dt;steady=steady&&(x0[i]===x1[i]&&v0[i]===v1[i]&&v0[i]===0)}if(steady){for(var i=0;i<d;++i){result[i]=x0[i]}}else{cubicHermite(x0,v0,x1,v1,(t-t0)/dt,result)}}var lo=bounds[0];var hi=bounds[1];for(var i=0;i<d;++i){result[i]=clamp(lo[i],hi[i],result[i])}return result};proto.dcurve=function(t){var time=this._time;var n=time.length;var idx=bsearch.le(time,t);var result=this._scratch[0];var state=this._state;var velocity=this._velocity;var d=this.dimension;if(idx>=n-1){var ptr=state.length-1;var tf=t-time[n-1];for(var i=0;i<d;++i,--ptr){result[i]=velocity[ptr]}}else{var ptr=d*(idx+1)-1;var t0=time[idx];var t1=time[idx+1];var dt=t1-t0||1;var x0=this._scratch[1];var x1=this._scratch[2];var v0=this._scratch[3];var v1=this._scratch[4];var steady=true;for(var i=0;i<d;++i,--ptr){x0[i]=state[ptr];v0[i]=velocity[ptr]*dt;x1[i]=state[ptr+d];v1[i]=velocity[ptr+d]*dt;steady=steady&&(x0[i]===x1[i]&&v0[i]===v1[i]&&v0[i]===0)}if(steady){for(var i=0;i<d;++i){result[i]=0}}else{cubicHermite.derivative(x0,v0,x1,v1,(t-t0)/dt,result);for(var i=0;i<d;++i){result[i]/=dt}}}return result};proto.lastT=function(){var time=this._time;return time[time.length-1]};proto.stable=function(){var velocity=this._velocity;var ptr=velocity.length;for(var i=this.dimension-1;i>=0;--i){if(velocity[--ptr]){return false}}return true};proto.jump=function(t){var t0=this.lastT();var d=this.dimension;if(t<t0||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var ptr=state.length-this.dimension;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];this._time.push(t0,t);for(var j=0;j<2;++j){for(var i=0;i<d;++i){state.push(state[ptr++]);velocity.push(0)}}this._time.push(t);for(var i=d;i>0;--i){state.push(clamp(lo[i-1],hi[i-1],arguments[i]));velocity.push(0)}};proto.push=function(t){var t0=this.lastT();var d=this.dimension;if(t<t0||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var ptr=state.length-this.dimension;var dt=t-t0;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];var sf=dt>1e-6?1/dt:0;this._time.push(t);for(var i=d;i>0;--i){var xc=clamp(lo[i-1],hi[i-1],arguments[i]);state.push(xc);velocity.push((xc-state[ptr++])*sf)}};proto.set=function(t){var d=this.dimension;if(t<this.lastT()||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];this._time.push(t);for(var i=d;i>0;--i){state.push(clamp(lo[i-1],hi[i-1],arguments[i]));velocity.push(0)}};proto.move=function(t){var t0=this.lastT();var d=this.dimension;if(t<=t0||arguments.length!==d+1){return}var state=this._state;var velocity=this._velocity;var statePtr=state.length-this.dimension;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];var dt=t-t0;var sf=dt>1e-6?1/dt:0;this._time.push(t);for(var i=d;i>0;--i){var dx=arguments[i];state.push(clamp(lo[i-1],hi[i-1],state[statePtr++]+dx));velocity.push(dx*sf)}};proto.idle=function(t){var t0=this.lastT();if(t<t0){return}var d=this.dimension;var state=this._state;var velocity=this._velocity;var statePtr=state.length-d;var bounds=this.bounds;var lo=bounds[0];var hi=bounds[1];var dt=t-t0;this._time.push(t);for(var i=d-1;i>=0;--i){state.push(clamp(lo[i],hi[i],state[statePtr]+dt*velocity[statePtr]));velocity.push(0);statePtr+=1}};function getZero(d){var result=new Array(d);for(var i=0;i<d;++i){result[i]=0}return result}function createFilteredVector(initState,initVelocity,initTime){switch(arguments.length){case 0:return new FilteredVector([0],[0],0);case 1:if(typeof initState==="number"){var zero=getZero(initState);return new FilteredVector(zero,zero,0)}else{return new FilteredVector(initState,getZero(initState.length),0)}case 2:if(typeof initVelocity==="number"){var zero=getZero(initState.length);return new FilteredVector(initState,zero,+initVelocity)}else{initTime=0}case 3:if(initState.length!==initVelocity.length){throw new Error("state and velocity lengths must match")}return new FilteredVector(initState,initVelocity,initTime)}}},{"binary-search-bounds":184,"cubic-hermite":185}],184:[function(require,module,exports){arguments[4][72][0].apply(exports,arguments)},{dup:72}],185:[function(require,module,exports){"use strict";function dcubicHermite(p0,v0,p1,v1,t,f){var dh00=6*t*t-6*t,dh10=3*t*t-4*t+1,dh01=-6*t*t+6*t,dh11=3*t*t-2*t;if(p0.length){if(!f){f=new Array(p0.length)}for(var i=p0.length-1;i>=0;--i){f[i]=dh00*p0[i]+dh10*v0[i]+dh01*p1[i]+dh11*v1[i]}return f}return dh00*p0+dh10*v0+dh01*p1[i]+dh11*v1}function cubicHermite(p0,v0,p1,v1,t,f){var ti=t-1,t2=t*t,ti2=ti*ti,h00=(1+2*t)*ti2,h10=t*ti2,h01=t2*(3-2*t),h11=t2*ti;if(p0.length){if(!f){f=new Array(p0.length)}for(var i=p0.length-1;i>=0;--i){f[i]=h00*p0[i]+h10*v0[i]+h01*p1[i]+h11*v1[i]}return f}return h00*p0+h10*v0+h01*p1+h11*v1}module.exports=cubicHermite;module.exports.derivative=dcubicHermite},{}],186:[function(require,module,exports){"use strict";module.exports=createOrbitController;var filterVector=require("filtered-vector");var lookAt=require("gl-mat4/lookAt");var mat4FromQuat=require("gl-mat4/fromQuat");var invert44=require("gl-mat4/invert");var quatFromFrame=require("./lib/quatFromFrame");function len3(x,y,z){return Math.sqrt(Math.pow(x,2)+Math.pow(y,2)+Math.pow(z,2))}function len4(w,x,y,z){return Math.sqrt(Math.pow(w,2)+Math.pow(x,2)+Math.pow(y,2)+Math.pow(z,2))}function normalize4(out,a){var ax=a[0];var ay=a[1];var az=a[2];var aw=a[3];var al=len4(ax,ay,az,aw);if(al>1e-6){out[0]=ax/al;out[1]=ay/al;out[2]=az/al;out[3]=aw/al}else{out[0]=out[1]=out[2]=0;out[3]=1}}function OrbitCameraController(initQuat,initCenter,initRadius){this.radius=filterVector([initRadius]);this.center=filterVector(initCenter);this.rotation=filterVector(initQuat);this.computedRadius=this.radius.curve(0);this.computedCenter=this.center.curve(0);this.computedRotation=this.rotation.curve(0);this.computedUp=[.1,0,0];this.computedEye=[.1,0,0];this.computedMatrix=[.1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];this.recalcMatrix(0)}var proto=OrbitCameraController.prototype;proto.lastT=function(){return Math.max(this.radius.lastT(),this.center.lastT(),this.rotation.lastT())};proto.recalcMatrix=function(t){this.radius.curve(t);this.center.curve(t);this.rotation.curve(t);var quat=this.computedRotation;normalize4(quat,quat);var mat=this.computedMatrix;mat4FromQuat(mat,quat);var center=this.computedCenter;var eye=this.computedEye;var up=this.computedUp;var radius=Math.exp(this.computedRadius[0]);eye[0]=center[0]+radius*mat[2];eye[1]=center[1]+radius*mat[6];eye[2]=center[2]+radius*mat[10];up[0]=mat[1];up[1]=mat[5];up[2]=mat[9];for(var i=0;i<3;++i){var rr=0;for(var j=0;j<3;++j){rr+=mat[i+4*j]*eye[j]}mat[12+i]=-rr}};proto.getMatrix=function(t,result){this.recalcMatrix(t);var m=this.computedMatrix;if(result){for(var i=0;i<16;++i){result[i]=m[i]}return result}return m};proto.idle=function(t){this.center.idle(t);this.radius.idle(t);this.rotation.idle(t)};proto.flush=function(t){this.center.flush(t);this.radius.flush(t);this.rotation.flush(t)};proto.pan=function(t,dx,dy,dz){dx=dx||0;dy=dy||0;dz=dz||0;this.recalcMatrix(t);var mat=this.computedMatrix;var ux=mat[1];var uy=mat[5];var uz=mat[9];var ul=len3(ux,uy,uz);ux/=ul;uy/=ul;uz/=ul;var rx=mat[0];var ry=mat[4];var rz=mat[8];var ru=rx*ux+ry*uy+rz*uz;rx-=ux*ru;ry-=uy*ru;rz-=uz*ru;var rl=len3(rx,ry,rz);rx/=rl;ry/=rl;rz/=rl;var fx=mat[2];var fy=mat[6];var fz=mat[10];var fu=fx*ux+fy*uy+fz*uz;var fr=fx*rx+fy*ry+fz*rz;fx-=fu*ux+fr*rx;fy-=fu*uy+fr*ry;fz-=fu*uz+fr*rz;var fl=len3(fx,fy,fz);fx/=fl;fy/=fl;fz/=fl;var vx=rx*dx+ux*dy;var vy=ry*dx+uy*dy;var vz=rz*dx+uz*dy;this.center.move(t,vx,vy,vz);var radius=Math.exp(this.computedRadius[0]);radius=Math.max(1e-4,radius+dz);this.radius.set(t,Math.log(radius))};proto.rotate=function(t,dx,dy,dz){this.recalcMatrix(t);dx=dx||0;dy=dy||0;var mat=this.computedMatrix;var rx=mat[0];var ry=mat[4];var rz=mat[8];var ux=mat[1];var uy=mat[5];var uz=mat[9];var fx=mat[2];var fy=mat[6];var fz=mat[10];var qx=dx*rx+dy*ux;var qy=dx*ry+dy*uy;var qz=dx*rz+dy*uz;var bx=-(fy*qz-fz*qy);var by=-(fz*qx-fx*qz);var bz=-(fx*qy-fy*qx);var bw=Math.sqrt(Math.max(0,1-Math.pow(bx,2)-Math.pow(by,2)-Math.pow(bz,2)));var bl=len4(bx,by,bz,bw);if(bl>1e-6){bx/=bl;by/=bl;bz/=bl;bw/=bl}else{bx=by=bz=0;bw=1}var rotation=this.computedRotation;var ax=rotation[0];var ay=rotation[1];var az=rotation[2];var aw=rotation[3];var cx=ax*bw+aw*bx+ay*bz-az*by;var cy=ay*bw+aw*by+az*bx-ax*bz;var cz=az*bw+aw*bz+ax*by-ay*bx;var cw=aw*bw-ax*bx-ay*by-az*bz;if(dz){bx=fx;by=fy;bz=fz;var s=Math.sin(dz)/len3(bx,by,bz);bx*=s;by*=s;bz*=s;bw=Math.cos(dx);cx=cx*bw+cw*bx+cy*bz-cz*by;cy=cy*bw+cw*by+cz*bx-cx*bz;cz=cz*bw+cw*bz+cx*by-cy*bx;cw=cw*bw-cx*bx-cy*by-cz*bz}var cl=len4(cx,cy,cz,cw);if(cl>1e-6){cx/=cl;cy/=cl;cz/=cl;cw/=cl}else{cx=cy=cz=0;cw=1}this.rotation.set(t,cx,cy,cz,cw)};proto.lookAt=function(t,eye,center,up){this.recalcMatrix(t);center=center||this.computedCenter;eye=eye||this.computedEye;up=up||this.computedUp;var mat=this.computedMatrix;lookAt(mat,eye,center,up);var rotation=this.computedRotation;quatFromFrame(rotation,mat[0],mat[1],mat[2],mat[4],mat[5],mat[6],mat[8],mat[9],mat[10]);normalize4(rotation,rotation);this.rotation.set(t,rotation[0],rotation[1],rotation[2],rotation[3]);var fl=0;for(var i=0;i<3;++i){fl+=Math.pow(center[i]-eye[i],2)}this.radius.set(t,.5*Math.log(Math.max(fl,1e-6)));this.center.set(t,center[0],center[1],center[2])};proto.translate=function(t,dx,dy,dz){this.center.move(t,dx||0,dy||0,dz||0)};proto.setMatrix=function(t,matrix){this.recalcMatrix(t);var rotation=this.computedRotation;quatFromFrame(rotation,matrix[0],matrix[1],matrix[2],matrix[4],matrix[5],matrix[6],matrix[8],matrix[9],matrix[10]);normalize4(rotation,rotation);this.rotation.set(t,rotation[0],rotation[1],rotation[2],rotation[3]);var mat=this.computedMatrix;invert44(mat,matrix);var w=-mat[15];if(Math.abs(w)>1e-6){var cx=mat[12]/w;var cy=mat[13]/w;var cz=mat[14]/w;var fx=mat[8];var fy=mat[9];var fz=mat[10];var fl=len3(fx,fy,fz);var r=Math.exp(this.computedRadius[0]);cx-=fx*r/fl;cy-=fy*r/fl;cz-=fz*r/fl;this.center.set(t,cx,cy,cz);this.radius.idle(t)}else{this.center.idle(t);this.radius.idle(t)}};proto.setDistance=function(t,d){if(d>0){this.radius.set(t,Math.log(d))}};proto.setDistanceLimits=function(lo,hi){if(lo>0){lo=Math.log(lo)}else{lo=-Infinity}if(hi>0){hi=Math.log(hi)}hi=Math.max(hi,lo);this.radius.bounds[0][0]=lo;this.radius.bounds[1][0]=hi};proto.getDistanceLimits=function(out){var bounds=this.radius.bounds;if(out){out[0]=Math.exp(bounds[0][0]);out[1]=Math.exp(bounds[1][0]);return out}return[Math.exp(bounds[0][0]),Math.exp(bounds[1][0])]};proto.toJSON=function(){this.recalcMatrix(this.lastT());return{center:this.computedCenter.slice(),rotation:this.computedRotation.slice(),distance:Math.log(this.computedRadius[0]),zoomMin:this.radius.bounds[0][0],zoomMax:this.radius.bounds[1][0]}};proto.fromJSON=function(options){var t=this.lastT();var c=options.centers;if(c){this.center.set(t,c[0],c[1],c[2])}var r=options.rotation;if(r){this.rotation.set(t,r[0],r[1],r[2],r[3])}var d=options.distance;if(d&&d>0){this.radius.set(t,Math.log(d))}this.setDistanceLimits(options.zoomMin,options.zoomMax)};function createOrbitController(options){options=options||{};var center=options.center||[0,0,0];var rotation=options.rotation||[0,0,0,1];var radius=options.radius||1;center=[].slice.call(center,0,3);rotation=[].slice.call(rotation,0,4);normalize4(rotation,rotation);var result=new OrbitCameraController(rotation,center,Math.log(radius));result.setDistanceLimits(options.zoomMin,options.zoomMax);if("eye"in options||"up"in options){result.lookAt(0,options.eye,options.center,options.up)}return result}},{"./lib/quatFromFrame":182,"filtered-vector":183,"gl-mat4/fromQuat":125,"gl-mat4/invert":127,"gl-mat4/lookAt":128}],187:[function(require,module,exports){(function(global){module.exports=global.performance&&global.performance.now?function now(){return performance.now()}:Date.now||function now(){return+new Date}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],188:[function(require,module,exports){"use strict";module.exports=createOrbiter;var createController=require("orbit-camera-controller");var mouseChange=require("mouse-change");var mouseWheel=require("mouse-wheel");var now=require("right-now");function copyVec(a,b){a[0]=b[0];a[1]=b[1];a[2]=b[2]}function Orbiter(element,controller){this.element=element;this.controller=controller;this.matrix=new Array(16);this.rotation=new Array(4);this.up=new Array(3);this.eye=new Array(3);this.center=new Array(3);this.distance=0;this.delay=40;this.inputEnabled=true;this.flipX=false;this.flipY=false;this.translateSpeed=1;this.zoomSpeed=1;this.rotateSpeed=1;this.changed=true}var proto=Orbiter.prototype;proto.toJSON=function(){var t=this.lastT();controller.recalcMatrix(t);return{camera:this.controller.toJSON(),delay:this.delay,flipX:this.flipX,flipY:this.flipY,translateSpeed:this.translateSpeed,zoomSpeed:this.zoomSpeed,rotateSpeed:this.rotateSpeed}};proto.fromJSON=function(options){if("camera"in options){this.controller.fromJSON(options.camera)}var self=this;function handleOption(prop){if(prop in options){self[prop]=options[prop]}}handleOption("delay");handleOption("inputEnabled");handleOption("flipX");handleOption("flipY");handleOption("translateSpeed");handleOption("zoomSpeed");handleOption("rotateSpeed");this.changed=true};proto.tick=function(){var t=now();var delay=this.delay;var controller=this.controller;controller.idle(t-.5*delay);controller.flush(t-1e3*(1+Math.min(delay,0)));controller.recalcMatrix(t-delay);var prevMat=this.matrix;var nextMat=controller.computedMatrix;var changed=this.changed;for(var i=0;i<16;++i){changed=changed||Math.abs(nextMat[i]-prevMat[i])>1e-5;prevMat[i]=nextMat[i]}var prevRot=this.rotation;var nextRot=controller.computedRotation;for(var i=0;i<4;++i){prevRot[i]=nextRot[i]}copyVec(this.eye,controller.computedEye);copyVec(this.up,controller.computedUp);copyVec(this.center,controller.computedCenter);this.distance=Math.exp(controller.computedRadius[0]);this.changed=false;return changed};proto.lookAt=function(eye,center,up){this.controller.lookAt(this.lastT(),eye,center,up)};var scratchEye=[0,0,0];var scratchCenter=[0,0,0];var scratchUp=[0,1,0];proto.box=function(lo,hi){var diam=0;for(var i=0;i<3;++i){eye[i]=center[i]=.5*(lo[i]+hi[i]);diam=Math.max(diam,hi[i]-lo[i])}eye[1]=hi[1]+2*diam;this.controller.lookAt(now(),eye,center,up)};proto.setMatrix=function(mat){this.controller.setMatrix(this.lastT(),mat)};proto.setDistance=function(d){this.controller.setDistance(this.lastT(),d)};proto.setDistanceLimits=function(lo,hi){this.controller.setDistanceLimits(lo,hi)};proto.rotate=function(pitch,yaw,roll){this.controller.rotate(now(),pitch,yaw,roll)};proto.pan=function(dx,dy,dz){this.controller.pan(now(),dx,dy,dz)};proto.translate=function(dx,dy,dz){this.controller.translate(now(),dx,dy,dz)};proto.lastT=function(){return this.controller.lastT()};function createOrbiter(element,options){var controller=createController(options);var orbiter=new Orbiter(element,controller);orbiter.fromJSON(options);orbiter.tick();orbiter.changed=true;var lastX=0,lastY=0;mouseChange(element,function(buttons,x,y,mods){if(!orbiter.inputEnabled){return}var height=element.clientHeight;var width=element.clientWidth;var scale=1/height;var dx=scale*(x-lastX);var dy=scale*(y-lastY);var t=now();var flipX=orbiter.flipX?1:-1;var flipY=orbiter.flipY?1:-1;var vrot=Math.PI*orbiter.rotateSpeed;var vpan=+orbiter.translateSpeed;var vzoom=+orbiter.zoomSpeed;var distance=orbiter.distance;if(buttons&1){if(mods.shift){controller.rotate(t,0,0,-dx*drot)}else{controller.rotate(t,flipX*vrot*dx,-flipY*vrot*dy,0)}}else if(buttons&2){controller.pan(t,-vpan*dx*distance*height/width,vpan*dy*distance,0)}else if(buttons&4){controller.pan(t,0,0,vzoom*dy*distance)}lastX=x;lastY=y});mouseWheel(element,function(dx,dy,dz){if(!orbiter.inputEnabled){return}var t=now();var flipX=orbiter.flipX?1:-1;var vrot=Math.PI*orbiter.rotateSpeed;var vzoom=+orbiter.zoomSpeed;var distance=orbiter.distance;if(Math.abs(dx)>Math.abs(dy)){controller.rotate(t,0,0,-dx*flipX*vrot/window.innerWidth)}else{controller.pan(t,0,0,vzoom*dy/window.innerHeight*distance)}},true);element.addEventListener("contextmenu",function(ev){if(orbiter.inputEnabled){ev.preventDefault();return false}});return orbiter}},{"mouse-change":175,"mouse-wheel":181,"orbit-camera-controller":186,"right-now":187}],"gl-plot3d":[function(require,module,exports){"use strict";module.exports=createScene;var createCamera=require("orbiter");var createAxes=require("gl-axes3d");var createSpikes=require("gl-spikes3d");var createSelect=require("gl-select-static");var createFBO=require("gl-fbo");var drawTriangle=require("a-big-triangle");var mouseChange=require("mouse-change");var perspective=require("gl-mat4/perspective");var createShader=require("./lib/shader");var fit=require("canvas-fit");function MouseSelect(){this.mouse=[-1,-1];this.screen=null;this.distance=Infinity;this.index=null;this.dataCoordinate=null;this.dataPosition=null;this.object=null;this.data=null}function roundUpPow10(x){var y=Math.round(Math.log(Math.abs(x))/Math.log(10));if(y<0){var base=Math.round(Math.pow(10,-y));return Math.ceil(x*base)/base}else if(y>0){var base=Math.round(Math.pow(10,y));return Math.ceil(x/base)*base}return Math.ceil(x)}function defaultBool(x){if(typeof x==="boolean"){return x}return true}function createScene(options){options=options||{};var canvas=options.canvas;if(!canvas){canvas=document.createElement("canvas");document.body.appendChild(canvas);window.addEventListener("resize",fit(canvas))}var gl=options.gl;if(!gl){var glOptions=options.glOptions||{premultipliedAlpha:true};gl=canvas.getContext("webgl",glOptions)}if(!gl){throw new Error("webgl not supported")}var viewShape=[gl.drawingBufferWidth,gl.drawingBufferHeight];var bounds=options.bounds||[[-10,-10,-10],[10,10,10]];var selection=new MouseSelect;var accumBuffer=createFBO(gl,[gl.drawingBufferWidth,gl.drawingBufferHeight],{preferFloat:true});var accumShader=createShader(gl);var cameraOptions=options.camera||{eye:[0,0,2],center:[0,0,0],up:[0,1,0],zoomMin:.1,zoomMax:100};var camera=createCamera(canvas,cameraOptions);var axesOptions=options.axes||{};var axes=createAxes(gl,axesOptions);axes.enable=!axesOptions.disable;var spikeOptions=options.spikes||{};var spikes=createSpikes(gl,spikeOptions);var objects=[];var pickBufferIds=[];var pickBufferCount=[];var pickBuffers=[];var dirty=true;var pickDirty=true;var scene={gl:gl,canvas:canvas,selection:selection,camera:camera,axes:axes,spikes:spikes,bounds:bounds,objects:objects,pickRadius:options.pickRadius||10,zNear:options.zNear||.01,zFar:options.zFar||1e3,fovy:options.fovy||Math.PI/4,clearColor:options.clearColor||[0,0,0,0],autoBounds:defaultBool(options.autoBounds),autoScale:defaultBool(options.autoScale),autoCenter:defaultBool(options.autoCenter),clipToBounds:defaultBool(options.clipToBounds),snapToData:!!options.snapToData,onselect:options.onselect||null,onrender:options.onrender||null,onclick:options.onclick||null};var projection=new Array(16);var model=new Array(16);var cameraParams={view:camera.matrix,projection:projection,model:model};var pickDirty=true;function reallocPickIds(){var numObjs=objects.length;var numPick=pickBuffers.length;for(var i=0;i<numPick;++i){pickBufferCount[i]=0}obj_loop:for(var i=0;i<numObjs;++i){var obj=objects[i];var pickCount=obj.pickSlots;if(!pickCount){pickBufferIds[i]=-1;continue}for(var j=0;j<numPick;++j){if(pickBufferCount[j]+pickCount<255){pickBufferIds[i]=j;obj.setPickBase(pickBufferCount[j]+1);pickBufferCount[j]+=pickCount;continue obj_loop}}var nbuffer=createSelect(gl,viewShape);pickBufferIds[i]=numPick;pickBuffers.push(nbuffer);pickBufferCount.push(pickCount);obj.setPickBase(1);numPick+=1}while(numPick>0&&pickBufferCount[numPick-1]===0){pickBufferCount.pop();pickBuffers.pop().dispose()}}scene.add=function(obj){obj.axes=axes;objects.push(obj);pickBufferIds.push(-1);dirty=true;pickDirty=true;reallocPickIds()};scene.remove=function(obj){var idx=objects.indexOf(obj);if(idx<0){return}objects.splice(idx,1);pickBufferIds.pop();dirty=true;pickDirty=true;reallocPickIds()};scene.dispose=function(){axes.dispose();spikes.dispose();for(var i=0;i<objects.length;++i){objects[i].dispose()}};var mouseRotating=false;var prevButtons=0;mouseChange(canvas,function(buttons,x,y){var numPick=pickBuffers.length;var numObjs=objects.length;var prevObj=selection.object;selection.distance=Infinity;selection.mouse[0]=x;selection.mouse[1]=y;selection.object=null;selection.screen=null;selection.dataCoordinate=selection.dataPosition=null;var change=false;if(buttons){mouseRotating=true}else{if(mouseRotating){pickDirty=true}mouseRotating=false;for(var i=0;i<numPick;++i){var result=pickBuffers[i].query(x,gl.drawingBufferHeight-y-1,scene.pickRadius);if(result){if(result.distance>selection.distance){continue}for(var j=0;j<numObjs;++j){var obj=objects[j];if(pickBufferIds[j]!==i){continue}var objPick=obj.pick(result);if(objPick){selection.screen=result.coord;selection.distance=result.distance;selection.object=obj;selection.index=objPick.distance;selection.dataPosition=objPick.position;selection.dataCoordinate=objPick.dataCoordinate;selection.data=objPick;change=true}}}}}if(prevObj&&prevObj!==selection.object){if(prevObj.highlight){prevObj.highlight(null)}dirty=true}if(selection.object){if(selection.object.highlight){selection.object.highlight(selection.data)}dirty=true}change=change||selection.object!==prevObj;if(change&&scene.onselect){scene.onselect(selection)}if(buttons&1&&!(prevButtons&1)&&scene.onclick){scene.onclick(selection)}prevButtons=buttons});function renderPick(){gl.colorMask(true,true,true,true);gl.depthMask(true);gl.disable(gl.BLEND);gl.enable(gl.DEPTH_TEST);var numObjs=objects.length;var numPick=pickBuffers.length;for(var j=0;j<numPick;++j){var buf=pickBuffers[j];buf.shape=viewShape;buf.begin();for(var i=0;i<numObjs;++i){if(pickBufferIds[i]!==j){continue}var obj=objects[i];if(obj.drawPick){obj.drawPick(cameraParams)}}buf.end()}}var nBounds=[[Infinity,Infinity,Infinity],[-Infinity,-Infinity,-Infinity]];function render(){requestAnimationFrame(render);var cameraMoved=camera.tick();dirty=dirty||cameraMoved;pickDirty=pickDirty||cameraMoved;var numObjs=objects.length;var lo=nBounds[0];var hi=nBounds[1];lo[0]=lo[1]=lo[2]=Infinity;hi[0]=hi[1]=hi[2]=-Infinity;for(var i=0;i<numObjs;++i){var obj=objects[i];dirty=dirty||!!obj.dirty;pickDirty=pickDirty||!!obj.dirty;var obb=obj.bounds;if(obb){var olo=obb[0];var ohi=obb[1];for(var j=0;j<3;++j){lo[j]=Math.min(lo[j],olo[j]);hi[j]=Math.max(hi[j],ohi[j])}}}var bounds=scene.bounds;if(scene.autoBounds){var boundsChanged=false;for(var j=0;j<3;++j){if(lo[j]===Infinity||hi[j]===-Infinity){lo[j]=-1;hi[j]=1}else{var padding=.05*(hi[j]-lo[j]);lo[j]=lo[j]-padding;hi[j]=hi[j]+padding}boundsChanged=boundsChanged||lo[j]!==bounds[0][j]||hi[j]!==bounds[1][j]}if(boundsChanged){var tickSpacing=[0,0,0];for(var i=0;i<3;++i){bounds[0][i]=lo[i];bounds[1][i]=hi[i];tickSpacing[i]=roundUpPow10((hi[i]-lo[i])/10)}if(axes.autoTicks){axes.update({bounds:bounds,tickSpacing:tickSpacing})}else{axes.update({bounds:bounds})}}}pickDirty=pickDirty||boundsChanged;dirty=dirty||boundsChanged;var width=gl.drawingBufferWidth;var height=gl.drawingBufferHeight;viewShape[0]=width;viewShape[1]=height;perspective(projection,scene.fovy,width/height,scene.zNear,scene.zFar);for(var i=0;i<16;++i){model[i]=0}model[15]=1;var diameter=0;for(var i=0;i<3;++i){diameter=Math.max(bounds[1][i]-bounds[0][i])}for(var i=0;i<3;++i){if(scene.autoScale){model[5*i]=.5/diameter}else{model[5*i]=1}if(scene.autoCenter){model[12+i]=-model[5*i]*.5*(bounds[0][i]+bounds[1][i])}}for(var i=0;i<numObjs;++i){var obj=objects[i];obj.axesBounds=bounds;if(scene.clipToBounds){obj.clipBounds=bounds}}if(selection.object){if(scene.snapToData){spikes.position=selection.dataCoordinate}else{spikes.position=selection.dataPosition}spikes.bounds=bounds}if(pickDirty){pickDirty=false;renderPick()}if(!dirty){return}if(scene.onrender){scene.onrender()}gl.bindFramebuffer(gl.FRAMEBUFFER,null);gl.viewport(0,0,width,height);var clearColor=scene.clearColor;gl.clearColor(clearColor[0],clearColor[1],clearColor[2],clearColor[3]);gl.clear(gl.COLOR_BUFFER_BIT|gl.DEPTH_BUFFER_BIT);gl.depthMask(true);gl.colorMask(true,true,true,true);gl.enable(gl.DEPTH_TEST);gl.depthFunc(gl.LEQUAL);gl.disable(gl.BLEND);gl.disable(gl.CULL_FACE);var hasTransparent=false;if(axes.enable){hasTransparent=hasTransparent||axes.isTransparent();axes.draw(cameraParams)}spikes.axes=axes;if(selection.object){spikes.draw(cameraParams)}gl.disable(gl.CULL_FACE);for(var i=0;i<numObjs;++i){var obj=objects[i];obj.axes=axes;if(obj.isOpaque&&obj.isOpaque()){obj.draw(cameraParams)}if(obj.isTransparent&&obj.isTransparent()){hasTransparent=true}}if(hasTransparent){accumBuffer.shape=viewShape;accumBuffer.bind();gl.clear(gl.DEPTH_BUFFER_BIT);gl.colorMask(false,false,false,false);gl.depthMask(true);gl.depthFunc(gl.LESS);if(axes.enable&&axes.isTransparent()){axes.drawTransparent(cameraParams)}for(var i=0;i<numObjs;++i){var obj=objects[i];if(obj.isOpaque&&obj.isOpaque()){obj.draw(cameraParams)}}gl.enable(gl.BLEND);gl.blendEquation(gl.FUNC_ADD);gl.blendFunc(gl.ONE,gl.ONE);gl.colorMask(true,true,true,true);gl.depthMask(false);gl.clearColor(0,0,0,0);gl.clear(gl.COLOR_BUFFER_BIT);if(axes.isTransparent()){axes.drawTransparent(cameraParams)}for(var i=0;i<numObjs;++i){var obj=objects[i];if(obj.isTransparent&&obj.isTransparent()){obj.drawTransparent(cameraParams)}}gl.bindFramebuffer(gl.FRAMEBUFFER,null);gl.blendFunc(gl.ONE,gl.ONE_MINUS_SRC_ALPHA);gl.disable(gl.DEPTH_TEST);accumShader.bind();accumBuffer.color[0].bind(0);accumShader.uniforms.accumBuffer=0;drawTriangle(gl);gl.disable(gl.BLEND)}dirty=false;for(var i=0;i<numObjs;++i){objects[i].dirty=false}}render();return scene}},{"./lib/shader":6,"a-big-triangle":25,"canvas-fit":26,"gl-axes3d":28,"gl-fbo":113,"gl-mat4/perspective":130,"gl-select-static":139,"gl-spikes3d":166,"mouse-change":175,orbiter:188}]},{},[]);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);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("is-array");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var kMaxLength=1073741823;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=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"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new TypeError("must start with number, buffer, array or string");if(length>kMaxLength)throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength.toString(16)+" bytes");var buf;if(Buffer.TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer.TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}if(length>0&&length<=Buffer.poolSize)buf.parent=rootParent;return buf}function SlowBuffer(subject,encoding,noZero){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding,noZero);var buf=new Buffer(subject,encoding,noZero);delete buf.parent;return buf}Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};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.concat=function(list,totalLength){if(!isArray(list))throw new TypeError("Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){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};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"ascii":case"binary":case"raw":ret=str.length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;case"hex":ret=str.length>>>1;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"base64":ret=base64ToBytes(str).length;break;default:ret=str.length}return ret};Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined;Buffer.prototype.toString=function(encoding,start,end){var loweredCase=false;start=start>>>0;end=end===undefined||end===Infinity?this.length:end>>>0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}};Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)};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)};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;if(strLen%2!==0)throw new Error("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);if(isNaN(byte))throw new Error("Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var 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=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length,2);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;if(length<0||offset<0||offset>this.length)throw new RangeError("attempt to write outside buffer bounds");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 TypeError("Unknown encoding: "+encoding)}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};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]&127)}return ret}function binarySlice(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 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=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;return val};Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256))val+=this[offset+--byteLength]*mul;return val};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256))val+=this[offset+--i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-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){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value;return offset+1};Buffer.prototype.writeInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};Buffer.prototype.writeInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38);ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308);ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};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.length)target_start=target.length;if(!target_start)target_start=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||source.length===0)return 0;if(target_start<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=source.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("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<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}return len};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){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 TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr.constructor=Buffer;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.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;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.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;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};var INVALID_BASE64_RE=/[^+\/0-9A-z\-]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}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(string,units){var codePoint,length=string.length;var leadSurrogate=null;units=units||Infinity;var bytes=[];var i=0;for(;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(leadSurrogate){if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}else{codePoint=leadSurrogate-55296<<10|codePoint-56320|65536;leadSurrogate=null}}else{if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}else{leadSurrogate=codePoint;continue}}}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=null}if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<2097152){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length,unitSize){if(unitSize)length-=length%unitSize;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)}}},{"base64-js":2,ieee754:3,"is-array":4}],2:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)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}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],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}},{}],4:[function(require,module,exports){var isArray=Array.isArray;var str=Object.prototype.toString;module.exports=isArray||function(val){return!!val&&"[object Array]"==str.call(val)}},{}],5:[function(require,module,exports){"use strict";var barycentric=require("barycentric");var closestPointToTriangle=require("polytope-closest-point/lib/closest_point_2d.js");module.exports=closestPointToPickLocation;function xformMatrix(m,v){var out=[0,0,0,0];for(var i=0;i<4;++i){for(var j=0;j<4;++j){out[j]+=m[4*i+j]*v[i]}}return out}function projectVertex(v,model,view,projection,resolution){var p=xformMatrix(projection,xformMatrix(view,xformMatrix(model,[v[0],v[1],v[2],1])));for(var i=0;i<3;++i){p[i]/=p[3]}return[.5*resolution[0]*(1+p[0]),.5*resolution[1]*(1-p[1])]}function barycentricCoord(simplex,point){if(simplex.length===2){var d0=0;var d1=0;for(var i=0;i<2;++i){d0+=Math.pow(point[i]-simplex[0][i],2);d1+=Math.pow(point[i]-simplex[1][i],2)}d0=Math.sqrt(d0);d1=Math.sqrt(d1);if(d0+d1<1e-6){return[1,0]}return[d1/(d0+d1),d0/(d1+d0)]}else if(simplex.length===3){var closestPoint=[0,0];closestPointToTriangle(simplex[0],simplex[1],simplex[2],point,closestPoint);return barycentric(simplex,closestPoint)}return[]}function interpolate(simplex,weights){var result=[0,0,0];for(var i=0;i<simplex.length;++i){var p=simplex[i];var w=weights[i];for(var j=0;j<3;++j){result[j]+=w*p[j]}}return result}function closestPointToPickLocation(simplex,pixelCoord,model,view,projection,resolution){if(simplex.length===1){return[0,simplex[0].slice()]}var simplex2D=new Array(simplex.length);for(var i=0;i<simplex.length;++i){simplex2D[i]=projectVertex(simplex[i],model,view,projection,resolution)}var closestIndex=0;var closestDist=Infinity;for(var i=0;i<simplex2D.length;++i){var d2=0;for(var j=0;j<2;++j){d2+=Math.pow(simplex2D[i][j]-pixelCoord[j],2)}if(d2<closestDist){closestDist=d2;closestIndex=i}}var weights=barycentricCoord(simplex2D,pixelCoord);var s=0;for(var i=0;i<3;++i){if(weights[i]<-.001||weights[i]>1.0001){return null}s+=weights[i]}if(Math.abs(s-1)>.001){return null}return[closestIndex,interpolate(simplex,weights)]}},{barycentric:7,"polytope-closest-point/lib/closest_point_2d.js":62}],6:[function(require,module,exports){var glslify=require("glslify");exports.meshShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position, normal;\nattribute vec4 color;\nattribute vec2 uv;\nuniform mat4 model, view, projection;\nuniform vec3 eyePosition, lightPosition;\nvarying vec3 f_normal, f_lightDirection, f_eyeDirection, f_data;\nvarying vec4 f_color;\nvarying vec2 f_uv;\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 = normal;\n f_data = position;\n f_eyeDirection = eyePosition - position;\n f_lightDirection = lightPosition - position;\n f_uv = uv;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nfloat b_x_beckmannDistribution(float x, float roughness) {\n float NdotH = max(x, 0.0001);\n float cos2Alpha = NdotH * NdotH;\n float tan2Alpha = (cos2Alpha - 1.0) / cos2Alpha;\n float roughness2 = roughness * roughness;\n float denom = 3.141592653589793 * roughness2 * cos2Alpha * cos2Alpha;\n return exp(tan2Alpha / roughness2) / denom;\n}\nfloat a_x_cookTorranceSpecular(vec3 lightDirection, vec3 viewDirection, vec3 surfaceNormal, float roughness, float fresnel) {\n float VdotN = max(dot(viewDirection, surfaceNormal), 0.0);\n float LdotN = max(dot(lightDirection, surfaceNormal), 0.0);\n vec3 H = normalize(lightDirection + viewDirection);\n float NdotH = max(dot(surfaceNormal, H), 0.0);\n float VdotH = max(dot(viewDirection, H), 0.000001);\n float LdotH = max(dot(lightDirection, H), 0.000001);\n float G1 = (2.0 * NdotH * VdotN) / VdotH;\n float G2 = (2.0 * NdotH * LdotN) / LdotH;\n float G = min(1.0, min(G1, G2));\n float D = b_x_beckmannDistribution(NdotH, roughness);\n float F = pow(1.0 - VdotN, fresnel);\n return G * F * D / max(3.14159265 * VdotN, 0.000001);\n}\nuniform vec3 clipBounds[2];\nuniform float roughness, fresnel, kambient, kdiffuse, kspecular, opacity;\nuniform sampler2D texture;\nvarying vec3 f_normal, f_lightDirection, f_eyeDirection, f_data;\nvarying vec4 f_color;\nvarying vec2 f_uv;\nvoid main() {\n if(any(lessThan(f_data, clipBounds[0])) || any(greaterThan(f_data, clipBounds[1]))) {\n discard;\n }\n vec3 N = normalize(f_normal);\n vec3 L = normalize(f_lightDirection);\n vec3 V = normalize(f_eyeDirection);\n if(!gl_FrontFacing) {\n N = -N;\n }\n float specular = a_x_cookTorranceSpecular(L, V, N, roughness, fresnel);\n float diffuse = min(kambient + kdiffuse * max(dot(N, L), 0.0), 1.0);\n vec4 surfaceColor = f_color * texture2D(texture, f_uv);\n vec4 litColor = surfaceColor.a * vec4(diffuse * surfaceColor.rgb + kspecular * vec3(1, 1, 1) * specular, 1.0);\n gl_FragColor = litColor * opacity;\n}",[{
name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"eyePosition",type:"vec3"},{name:"lightPosition",type:"vec3"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"roughness",type:"float"},{name:"fresnel",type:"float"},{name:"kambient",type:"float"},{name:"kdiffuse",type:"float"},{name:"kspecular",type:"float"},{name:"opacity",type:"float"},{name:"texture",type:"sampler2D"}],[{name:"position",type:"vec3"},{name:"normal",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"}]);exports.wireShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute vec4 color;\nattribute vec2 uv;\nuniform mat4 model, view, projection;\nvarying vec4 f_color;\nvarying vec3 f_data;\nvarying vec2 f_uv;\nvoid main() {\n gl_Position = projection * view * model * vec4(position, 1.0);\n f_color = color;\n f_data = position;\n f_uv = uv;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec3 clipBounds[2];\nuniform sampler2D texture;\nuniform float opacity;\nvarying vec4 f_color;\nvarying vec3 f_data;\nvarying vec2 f_uv;\nvoid main() {\n if(any(lessThan(f_data, clipBounds[0])) || any(greaterThan(f_data, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = f_color * texture2D(texture, f_uv) * opacity;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"texture",type:"sampler2D"},{name:"opacity",type:"float"}],[{name:"position",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"}]);exports.pointShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute vec4 color;\nattribute vec2 uv;\nattribute float pointSize;\nuniform mat4 model, view, projection;\nuniform vec3 clipBounds[2];\nvarying vec4 f_color;\nvarying vec2 f_uv;\nvoid main() {\n if(any(lessThan(position, clipBounds[0])) || any(greaterThan(position, clipBounds[1]))) {\n gl_Position = vec4(0, 0, 0, 0);\n } else {\n gl_Position = projection * view * model * vec4(position, 1.0);\n }\n gl_PointSize = pointSize;\n f_color = color;\n f_uv = uv;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform sampler2D texture;\nuniform float opacity;\nvarying vec4 f_color;\nvarying vec2 f_uv;\nvoid main() {\n vec2 pointR = gl_PointCoord.xy - vec2(0.5, 0.5);\n if(dot(pointR, pointR) > 0.25) {\n discard;\n }\n gl_FragColor = f_color * texture2D(texture, f_uv) * opacity;\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"texture",type:"sampler2D"},{name:"opacity",type:"float"}],[{name:"position",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"},{name:"pointSize",type:"float"}]);exports.pickShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute vec4 id;\nuniform mat4 model, view, projection;\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n gl_Position = projection * view * model * vec4(position, 1.0);\n f_id = id;\n f_position = position;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec3 clipBounds[2];\nuniform float pickId;\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n if(any(lessThan(f_position, clipBounds[0])) || any(greaterThan(f_position, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = vec4(pickId, f_id.xyz);\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"pickId",type:"float"}],[{name:"position",type:"vec3"},{name:"id",type:"vec4"}]);exports.pointPickShader=require("glslify/simple-adapter.js")("\n#define GLSLIFY 1\n\nprecision mediump float;\nattribute vec3 position;\nattribute float pointSize;\nattribute vec4 id;\nuniform mat4 model, view, projection;\nuniform vec3 clipBounds[2];\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n if(any(lessThan(position, clipBounds[0])) || any(greaterThan(position, clipBounds[1]))) {\n gl_Position = vec4(0, 0, 0, 0);\n } else {\n gl_Position = projection * view * model * vec4(position, 1.0);\n gl_PointSize = pointSize;\n }\n f_id = id;\n f_position = position;\n}","\n#define GLSLIFY 1\n\nprecision mediump float;\nuniform vec3 clipBounds[2];\nuniform float pickId;\nvarying vec3 f_position;\nvarying vec4 f_id;\nvoid main() {\n if(any(lessThan(f_position, clipBounds[0])) || any(greaterThan(f_position, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = vec4(pickId, f_id.xyz);\n}",[{name:"model",type:"mat4"},{name:"view",type:"mat4"},{name:"projection",type:"mat4"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"clipBounds[0]",type:"vec3"},{name:"clipBounds[1]",type:"vec3"},{name:"pickId",type:"float"}],[{name:"position",type:"vec3"},{name:"pointSize",type:"float"},{name:"id",type:"vec4"}])},{glslify:57,"glslify/simple-adapter.js":58}],7:[function(require,module,exports){"use strict";module.exports=barycentric;var solve=require("robust-linear-solve");function reduce(x){var r=0;for(var i=0;i<x.length;++i){r+=x[i]}return r}function barycentric(simplex,point){var d=point.length;var A=new Array(d+1);for(var i=0;i<d;++i){var row=new Array(d+1);for(var j=0;j<=d;++j){row[j]=simplex[j][i]}A[i]=row}A[d]=new Array(d+1);for(var i=0;i<=d;++i){A[d][i]=1}var b=new Array(d+1);for(var i=0;i<d;++i){b[i]=point[i]}b[d]=1;var x=solve(A,b);var w=reduce(x[d+1]);if(w===0){w=1}var y=new Array(d+1);for(var i=0;i<=d;++i){y[i]=reduce(x[i])/w}return y}},{"robust-linear-solve":8}],8:[function(require,module,exports){"use strict";var determinant=require("robust-determinant");var NUM_EXPAND=6;function generateSolver(n){var funcName="robustLinearSolve"+n+"d";var code=["function ",funcName,"(A,b){return ["];for(var i=0;i<n;++i){code.push("det([");for(var j=0;j<n;++j){if(j>0){code.push(",")}code.push("[");for(var k=0;k<n;++k){if(k>0){code.push(",")}if(k===i){code.push("+b[",j,"]")}else{code.push("+A[",j,"][",k,"]")}}code.push("]")}code.push("]),")}code.push("det(A)]}return ",funcName);var proc=new Function("det",code.join(""));if(n<6){return proc(determinant[n])}return proc(determinant)}function robustLinearSolve0d(){return[0]}function robustLinearSolve1d(A,b){return[[b[0]],[A[0][0]]]}var CACHE=[robustLinearSolve0d,robustLinearSolve1d];function generateDispatch(){while(CACHE.length<NUM_EXPAND){CACHE.push(generateSolver(CACHE.length))}var procArgs=[];var code=["function dispatchLinearSolve(A,b){switch(A.length){"];for(var i=0;i<NUM_EXPAND;++i){procArgs.push("s"+i);code.push("case ",i,":return s",i,"(A,b);")}code.push("}var s=CACHE[A.length];if(!s)s=CACHE[A.length]=g(A.length);return s(A,b)}return dispatchLinearSolve");procArgs.push("CACHE","g",code.join(""));var proc=Function.apply(undefined,procArgs);module.exports=proc.apply(undefined,CACHE.concat([CACHE,generateSolver]));for(var i=0;i<NUM_EXPAND;++i){module.exports[i]=CACHE[i]}}generateDispatch()},{"robust-determinant":14}],9:[function(require,module,exports){"use strict";module.exports=compressExpansion;function compressExpansion(e){var m=e.length;var Q=e[e.length-1];var bottom=m;for(var i=m-2;i>=0;--i){var a=Q;var b=e[i];Q=a+b;var bv=Q-a;var q=b-bv;if(q){e[--bottom]=Q;Q=q}}var top=0;for(var i=bottom;i<m;++i){var a=e[i];var b=Q;Q=a+b;var bv=Q-a;var q=b-bv;if(q){e[top++]=q}}e[top++]=Q;e.length=top;return e}},{}],10:[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]}},{}],11:[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":13,"two-sum":10}],12:[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}},{}],13:[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]}},{}],14:[function(require,module,exports){"use strict";var twoProduct=require("two-product");var robustSum=require("robust-sum");var robustScale=require("robust-scale");var compress=require("robust-compress");var NUM_EXPANDED=6;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[",i,"][",j,"]"].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(",determinant(cofactor(m,i)),",",sign(i),m[0][i],")"].join(""))}return generateSum(expr)}}function compileDeterminant(n){var proc=new Function("sum","scale","prod","compress",["function robustDeterminant",n,"(m){return compress(",determinant(matrix(n)),")};return robustDeterminant",n].join(""));return proc(robustSum,robustScale,twoProduct,compress)}var CACHE=[function robustDeterminant0(){return[0]},function robustDeterminant1(m){return[m[0][0]]}];function generateDispatch(){while(CACHE.length<NUM_EXPANDED){CACHE.push(compileDeterminant(CACHE.length))}var procArgs=[];var code=["function robustDeterminant(m){switch(m.length){"];for(var i=0;i<NUM_EXPANDED;++i){procArgs.push("det"+i);code.push("case ",i,":return det",i,"(m);")}code.push("}var det=CACHE[m.length];if(!det)det=CACHE[m.length]=gen(m.length);return det(m);}return robustDeterminant");procArgs.push("CACHE","gen",code.join(""));var proc=Function.apply(undefined,procArgs);module.exports=proc.apply(undefined,CACHE.concat([CACHE,compileDeterminant]));for(var i=0;i<CACHE.length;++i){module.exports[i]=CACHE[i]}}generateDispatch()},{"robust-compress":9,"robust-scale":11,"robust-sum":12,"two-product":13}],15:[function(require,module,exports){module.exports={jet:[{index:0,rgb:[0,0,131]},{index:.125,rgb:[0,60,170]},{index:.375,rgb:[5,255,255]},{index:.625,rgb:[255,255,0]},{index:.875,rgb:[250,0,0]},{index:1,rgb:[128,0,0]}],hsv:[{index:0,rgb:[255,0,0]},{index:.169,rgb:[253,255,2]},{index:.173,rgb:[247,255,2]},{index:.337,rgb:[0,252,4]},{index:.341,rgb:[0,252,10]},{index:.506,rgb:[1,249,255]},{index:.671,rgb:[2,0,253]},{index:.675,rgb:[8,0,253]},{index:.839,rgb:[255,0,251]},{index:.843,rgb:[255,0,245]},{index:1,rgb:[255,0,6]}],hot:[{index:0,rgb:[0,0,0]},{index:.3,rgb:[230,0,0]},{index:.6,rgb:[255,210,0]},{index:1,rgb:[255,255,255]}],cool:[{index:0,rgb:[0,255,255]},{index:1,rgb:[255,0,255]}],spring:[{index:0,rgb:[255,0,255]},{index:1,rgb:[255,255,0]}],summer:[{index:0,rgb:[0,128,102]},{index:1,rgb:[255,255,102]}],autumn:[{index:0,rgb:[255,0,0]},{index:1,rgb:[255,255,0]}],winter:[{index:0,rgb:[0,0,255]},{index:1,rgb:[0,255,128]}],bone:[{index:0,rgb:[0,0,0]},{index:.376,rgb:[84,84,116]},{index:.753,rgb:[169,200,200]},{index:1,rgb:[255,255,255]}],copper:[{index:0,rgb:[0,0,0]},{index:.804,rgb:[255,160,102]},{index:1,rgb:[255,199,127]}],greys:[{index:0,rgb:[0,0,0]},{index:1,rgb:[255,255,255]}],yignbu:[{index:0,rgb:[8,29,88]},{index:.125,rgb:[37,52,148]},{index:.25,rgb:[34,94,168]},{index:.375,rgb:[29,145,192]},{index:.5,rgb:[65,182,196]},{index:.625,rgb:[127,205,187]},{index:.75,rgb:[199,233,180]},{index:.875,rgb:[237,248,217]},{index:1,rgb:[255,255,217]}],greens:[{index:0,rgb:[0,68,27]},{index:.125,rgb:[0,109,44]},{index:.25,rgb:[35,139,69]},{index:.375,rgb:[65,171,93]},{index:.5,rgb:[116,196,118]},{index:.625,rgb:[161,217,155]},{index:.75,rgb:[199,233,192]},{index:.875,rgb:[229,245,224]},{index:1,rgb:[247,252,245]}],yiorrd:[{index:0,rgb:[128,0,38]},{index:.125,rgb:[189,0,38]},{index:.25,rgb:[227,26,28]},{index:.375,rgb:[252,78,42]},{index:.5,rgb:[253,141,60]},{index:.625,rgb:[254,178,76]},{index:.75,rgb:[254,217,118]},{index:.875,rgb:[255,237,160]},{index:1,rgb:[255,255,204]}],bluered:[{index:0,rgb:[0,0,255]},{index:1,rgb:[255,0,0]}],rdbu:[{index:0,rgb:[5,10,172]},{index:.35,rgb:[106,137,247]},{index:.5,rgb:[190,190,190]},{index:.6,rgb:[220,170,132]},{index:.7,rgb:[230,145,90]},{index:1,rgb:[178,10,28]}],picnic:[{index:0,rgb:[0,0,255]},{index:.1,rgb:[51,153,255]},{index:.2,rgb:[102,204,255]},{index:.3,rgb:[153,204,255]},{index:.4,rgb:[204,204,255]},{index:.5,rgb:[255,255,255]},{index:.6,rgb:[255,204,255]},{index:.7,rgb:[255,153,255]},{index:.8,rgb:[255,102,204]},{index:.9,rgb:[255,102,102]},{index:1,rgb:[255,0,0]}],rainbow:[{index:0,rgb:[150,0,90]},{index:.125,rgb:[0,0,200]},{index:.25,rgb:[0,25,255]},{index:.375,rgb:[0,152,255]},{index:.5,rgb:[44,255,150]},{index:.625,rgb:[151,255,0]},{index:.75,rgb:[255,234,0]},{index:.875,rgb:[255,111,0]},{index:1,rgb:[255,0,0]}],portland:[{index:0,rgb:[12,51,131]},{index:.25,rgb:[10,136,186]},{index:.5,rgb:[242,211,56]},{index:.75,rgb:[242,143,56]},{index:1,rgb:[217,30,30]}],blackbody:[{index:0,rgb:[0,0,0]},{index:.2,rgb:[230,0,0]},{index:.4,rgb:[230,210,0]},{index:.7,rgb:[255,255,255]},{index:1,rgb:[160,200,255]}],earth:[{index:0,rgb:[0,0,130]},{index:.1,rgb:[0,180,180]},{index:.2,rgb:[40,210,40]},{index:.4,rgb:[230,230,50]},{index:.6,rgb:[120,70,20]},{index:1,rgb:[255,255,255]}],electric:[{index:0,rgb:[0,0,0]},{index:.15,rgb:[30,0,100]},{index:.4,rgb:[120,0,100]},{index:.6,rgb:[160,90,0]},{index:.8,rgb:[230,200,0]},{index:1,rgb:[255,250,220]}],alpha:[{index:0,rgb:[255,255,255,0]},{index:0,rgb:[255,255,255,1]}]}},{}],16:[function(require,module,exports){"use strict";var at=require("arraytools");var colorScale=require("./colorScales.json");module.exports=function(spec){var indicies,rgba,fromrgba,torgba,nsteps,cmap,colormap,format,nshades,colors,alpha,index,i,r=[],g=[],b=[],a=[];if(!at.isPlainObject(spec))spec={};if(!spec.colormap)colormap="jet";if(!Array.isArray(spec.alpha)){if(typeof spec.alpha==="number")spec.alpha=[spec.alpha,spec.alpha];else spec.alpha=[1,1]}else if(spec.alpha.length!==2)spec.alpha=[1,1];if(typeof spec.colormap==="string"){colormap=spec.colormap.toLowerCase();if(!(colormap in colorScale)){throw Error(colormap+" not a supported colorscale")}cmap=colorScale[colormap]}else if(Array.isArray(spec.colormap)){cmap=spec.colormap}nshades=spec.nshades||72;format=spec.format||"hex";alpha=spec.alpha;if(cmap.length>nshades){throw new Error(colormap+" map requires nshades to be at least size "+cmap.length)}indicies=cmap.map(function(c){return Math.round(c.index*nshades)});if(alpha[0]<0)alpha[0]=0;if(alpha[1]<0)alpha[0]=0;if(alpha[0]>1)alpha[0]=1;if(alpha[1]>1)alpha[0]=1;for(i=0;i<indicies.length;++i){index=cmap[i].index;rgba=cmap[i].rgb;if(rgba.length===4&&rgba[3]>=0&&rgba[3]<=1)continue;rgba[3]=alpha[0]+(alpha[1]-alpha[0])*index}for(i=0;i<indicies.length-1;++i){nsteps=indicies[i+1]-indicies[i];fromrgba=cmap[i].rgb;torgba=cmap[i+1].rgb;r=r.concat(at.linspace(fromrgba[0],torgba[0],nsteps));g=g.concat(at.linspace(fromrgba[1],torgba[1],nsteps));b=b.concat(at.linspace(fromrgba[2],torgba[2],nsteps));a=a.concat(at.linspace(fromrgba[3],torgba[3],nsteps))}r=r.map(Math.round);g=g.map(Math.round);b=b.map(Math.round);colors=at.zip(r,g,b,a);if(format==="hex")colors=colors.map(rgb2hex);if(format==="rgbaString")colors=colors.map(rgbaStr);return colors};function rgb2hex(rgba){var dig,hex="#";for(var i=0;i<3;++i){dig=rgba[i];dig=dig.toString(16);hex+=("00"+dig).substr(dig.length)}return hex}function rgbaStr(rgba){return"rgba("+rgba.join(",")+")"}},{"./colorScales.json":15,arraytools:17}],17:[function(require,module,exports){"use strict";var arraytools=function(){var that={};var RGB_REGEX=/^rgba?\(\s*\d{1,3}\s*,\s*\d{1,3}\s*,\s*\d{1,3}\s*(,.*)?\)$/;var RGB_GROUP_REGEX=/^rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,?\s*(.*)?\)$/;function isPlainObject(v){return!Array.isArray(v)&&v!==null&&typeof v==="object"}function linspace(start,end,num){var inc=(end-start)/(num-1);var a=[];for(var ii=0;ii<num;ii++)a.push(start+ii*inc);return a}function zip(){var arrays=[].slice.call(arguments);var lengths=arrays.map(function(a){return a.length});var len=Math.min.apply(null,lengths);var zipped=[];for(var i=0;i<len;i++){zipped[i]=[];for(var j=0;j<arrays.length;++j){zipped[i][j]=arrays[j][i]}}return zipped}function zip3(a,b,c){var len=Math.min.apply(null,[a.length,b.length,c.length]);var result=[];for(var n=0;n<len;n++){result.push([a[n],b[n],c[n]])}return result}function sum(A){var acc=0;accumulate(A,acc);function accumulate(x){for(var i=0;i<x.length;i++){if(Array.isArray(x[i]))accumulate(x[i],acc);else acc+=x[i]}}return acc}function copy2D(arr){var carr=[];for(var i=0;i<arr.length;++i){carr[i]=[];for(var j=0;j<arr[i].length;++j){carr[i][j]=arr[i][j]}}return carr}function copy1D(arr){var carr=[];for(var i=0;i<arr.length;++i){carr[i]=arr[i]}return carr}function isEqual(arr1,arr2){if(arr1.length!==arr2.length)return false;for(var i=arr1.length;i--;){if(arr1[i]!==arr2[i])return false}return true}function str2RgbArray(str,twoFiftySix){var rgb,match;if(typeof str!=="string")return str;rgb=[];if(str[0]==="#"){str=str.substr(1);if(str.length===3)str+=str;match=parseInt(str,16);rgb[0]=match>>16&255;rgb[1]=match>>8&255;rgb[2]=match&255}else if(RGB_REGEX.test(str)){match=str.match(RGB_GROUP_REGEX);rgb[0]=parseInt(match[1]);rgb[1]=parseInt(match[2]);rgb[2]=parseInt(match[3])}if(!twoFiftySix){for(var j=0;j<3;++j)rgb[j]=rgb[j]/255}return rgb}function str2RgbaArray(str,twoFiftySix){var rgb,match;if(typeof str!=="string")return str;rgb=[];if(str[0]==="#"){str=str.substr(1);if(str.length===3)str+=str;match=parseInt(str,16);rgb[0]=match>>16&255;rgb[1]=match>>8&255;rgb[2]=match&255}else if(RGB_REGEX.test(str)){match=str.match(RGB_GROUP_REGEX);rgb[0]=parseInt(match[1]);rgb[1]=parseInt(match[2]);rgb[2]=parseInt(match[3]);if(match[4])rgb[3]=parseFloat(match[4]);else rgb[3]=1}if(!twoFiftySix){for(var j=0;j<3;++j)rgb[j]=rgb[j]/255}return rgb}that.isPlainObject=isPlainObject;that.linspace=linspace;that.zip3=zip3;that.sum=sum;that.zip=zip;that.isEqual=isEqual;that.copy2D=copy2D;that.copy1D=copy1D;that.str2RgbArray=str2RgbArray;that.str2RgbaArray=str2RgbaArray;return that};module.exports=arraytools()},{}],18:[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.unbind=function(){this.gl.bindBuffer(this.type,null)};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(this.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:59,"ndarray-ops":19,"typedarray-pool":26,webglew:28}],19:[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":20}],20:[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":22}],21:[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:23}],22:[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":21}],23:[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},{}],24:[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}},{}],25:[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},{}],26:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":24,buffer:1,dup:25}],27:[function(require,module,exports){(function WeakMapModule(){"use strict";if(typeof ses!=="undefined"&&ses.ok&&!ses.ok()){return}function weakMapPermitHostObjects(map){if(map.permitHostObjects___){map.permitHostObjects___(weakMapPermitHostObjects)}}if(typeof ses!=="undefined"){ses.weakMapPermitHostObjects=weakMapPermitHostObjects}var doubleWeakMapCheckSilentFailure=false;if(typeof WeakMap==="function"){var HostWeakMap=WeakMap;if(typeof navigator!=="undefined"&&/Firefox/.test(navigator.userAgent)){}else{var testMap=new HostWeakMap;var testObject=Object.freeze({});testMap.set(testObject,1);if(testMap.get(testObject)!==1){doubleWeakMapCheckSilentFailure=true}else{module.exports=WeakMap;return}}}var hop=Object.prototype.hasOwnProperty;var gopn=Object.getOwnPropertyNames;var defProp=Object.defineProperty;var isExtensible=Object.isExtensible;var HIDDEN_NAME_PREFIX="weakmap:";var HIDDEN_NAME=HIDDEN_NAME_PREFIX+"ident:"+Math.random()+"___";if(typeof crypto!=="undefined"&&typeof crypto.getRandomValues==="function"&&typeof ArrayBuffer==="function"&&typeof Uint8Array==="function"){var ab=new ArrayBuffer(25);var u8s=new Uint8Array(ab);crypto.getRandomValues(u8s);HIDDEN_NAME=HIDDEN_NAME_PREFIX+"rand:"+Array.prototype.map.call(u8s,function(u8){return(u8%36).toString(36)}).join("")+"___"}function isNotHiddenName(name){return!(name.substr(0,HIDDEN_NAME_PREFIX.length)==HIDDEN_NAME_PREFIX&&name.substr(name.length-3)==="___")}defProp(Object,"getOwnPropertyNames",{value:function fakeGetOwnPropertyNames(obj){return gopn(obj).filter(isNotHiddenName)}});if("getPropertyNames"in Object){var originalGetPropertyNames=Object.getPropertyNames;defProp(Object,"getPropertyNames",{value:function fakeGetPropertyNames(obj){return originalGetPropertyNames(obj).filter(isNotHiddenName)}})}function getHiddenRecord(key){if(key!==Object(key)){throw new TypeError("Not an object: "+key)}var hiddenRecord=key[HIDDEN_NAME];if(hiddenRecord&&hiddenRecord.key===key){return hiddenRecord}if(!isExtensible(key)){return void 0}hiddenRecord={key:key};try{defProp(key,HIDDEN_NAME,{value:hiddenRecord,writable:false,enumerable:false,configurable:false});return hiddenRecord}catch(error){return void 0}}(function(){var oldFreeze=Object.freeze;defProp(Object,"freeze",{value:function identifyingFreeze(obj){getHiddenRecord(obj);return oldFreeze(obj)}});var oldSeal=Object.seal;defProp(Object,"seal",{value:function identifyingSeal(obj){getHiddenRecord(obj);return oldSeal(obj)}});var oldPreventExtensions=Object.preventExtensions;defProp(Object,"preventExtensions",{value:function identifyingPreventExtensions(obj){getHiddenRecord(obj);return oldPreventExtensions(obj)}})})();function constFunc(func){func.prototype=null;return Object.freeze(func)}var calledAsFunctionWarningDone=false;function calledAsFunctionWarning(){if(!calledAsFunctionWarningDone&&typeof console!=="undefined"){calledAsFunctionWarningDone=true;console.warn("WeakMap should be invoked as new WeakMap(), not "+"WeakMap(). This will be an error in the future.")}}var nextId=0;var OurWeakMap=function(){if(!(this instanceof OurWeakMap)){calledAsFunctionWarning()}var keys=[];var values=[];var id=nextId++;function get___(key,opt_default){var index;var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){return id in hiddenRecord?hiddenRecord[id]:opt_default}else{index=keys.indexOf(key);return index>=0?values[index]:opt_default}}function has___(key){var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){return id in hiddenRecord}else{return keys.indexOf(key)>=0}}function set___(key,value){var index;var hiddenRecord=getHiddenRecord(key);if(hiddenRecord){hiddenRecord[id]=value}else{index=keys.indexOf(key);if(index>=0){values[index]=value}else{index=keys.length;values[index]=value;keys[index]=key}}return this}function delete___(key){var hiddenRecord=getHiddenRecord(key);var index,lastIndex;if(hiddenRecord){return id in hiddenRecord&&delete hiddenRecord[id]}else{index=keys.indexOf(key);if(index<0){return false}lastIndex=keys.length-1;keys[index]=void 0;values[index]=values[lastIndex];keys[index]=keys[lastIndex];keys.length=lastIndex;values.length=lastIndex;return true}}return Object.create(OurWeakMap.prototype,{get___:{value:constFunc(get___)},has___:{value:constFunc(has___)},set___:{value:constFunc(set___)},delete___:{value:constFunc(delete___)}})};OurWeakMap.prototype=Object.create(Object.prototype,{get:{value:function get(key,opt_default){return this.get___(key,opt_default)},writable:true,configurable:true},has:{value:function has(key){return this.has___(key)},writable:true,configurable:true},set:{value:function set(key,value){return this.set___(key,value)},writable:true,configurable:true},"delete":{value:function remove(key){return this.delete___(key)},writable:true,configurable:true}});if(typeof HostWeakMap==="function"){(function(){if(doubleWeakMapCheckSilentFailure&&typeof Proxy!=="undefined"){Proxy=undefined}function DoubleWeakMap(){if(!(this instanceof OurWeakMap)){calledAsFunctionWarning()}var hmap=new HostWeakMap;var omap=undefined;var enableSwitching=false;function dget(key,opt_default){if(omap){return hmap.has(key)?hmap.get(key):omap.get___(key,opt_default)}else{return hmap.get(key,opt_default)}}function dhas(key){return hmap.has(key)||(omap?omap.has___(key):false)}var dset;if(doubleWeakMapCheckSilentFailure){dset=function(key,value){hmap.set(key,value);if(!hmap.has(key)){if(!omap){omap=new OurWeakMap}omap.set(key,value)}return this}}else{dset=function(key,value){if(enableSwitching){try{hmap.set(key,value)}catch(e){if(!omap){omap=new OurWeakMap}omap.set___(key,value)}}else{hmap.set(key,value)}return this}}function ddelete(key){var result=!!hmap["delete"](key);if(omap){return omap.delete___(key)||result}return result}return Object.create(OurWeakMap.prototype,{get___:{value:constFunc(dget)},has___:{value:constFunc(dhas)},set___:{value:constFunc(dset)},delete___:{value:constFunc(ddelete)},permitHostObjects___:{value:constFunc(function(token){if(token===weakMapPermitHostObjects){enableSwitching=true}else{throw new Error("bogus call to permitHostObjects___")}})}})}DoubleWeakMap.prototype=OurWeakMap.prototype;module.exports=DoubleWeakMap;Object.defineProperty(WeakMap.prototype,"constructor",{value:WeakMap,enumerable:false,configurable:true,writable:true})})()}else{if(typeof Proxy!=="undefined"){Proxy=undefined}module.exports=OurWeakMap}})()},{}],28:[function(require,module,exports){"use strict";var weakMap=typeof WeakMap==="undefined"?require("weak-map"):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];if(extName.indexOf("MOZ_")===0){continue}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},{"weak-map":27}],29:[function(require,module,exports){module.exports=invert;function invert(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}},{}],30:[function(require,module,exports){module.exports=multiply;function multiply(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}},{}],31:[function(require,module,exports){"use strict";var createUniformWrapper=require("./lib/create-uniforms");var createAttributeWrapper=require("./lib/create-attributes");var makeReflect=require("./lib/reflect");var shaderCache=require("./lib/shader-cache");var runtime=require("./lib/runtime-reflect");function Shader(gl){this.gl=gl;this._vref=this._fref=this._relink=this.vertShader=this.fragShader=this.program=this.attributes=this.uniforms=this.types=null}var proto=Shader.prototype;proto.bind=function(){if(!this.program){this._relink()}this.gl.useProgram(this.program)};proto.dispose=function(){if(this._fref){this._fref.dispose()}if(this._vref){this._vref.dispose()}this.attributes=this.types=this.vertShader=this.fragShader=this.program=this._relink=this._fref=this._vref=null};function compareAttributes(a,b){if(a.name<b.name){return-1}return 1}proto.update=function(vertSource,fragSource,uniforms,attributes){if(!fragSource||arguments.length===1){var obj=vertSource;vertSource=obj.vertex;fragSource=obj.fragment;uniforms=obj.uniforms;attributes=obj.attributes}var wrapper=this;var gl=wrapper.gl;var pvref=wrapper._vref;wrapper._vref=shaderCache.shader(gl,gl.VERTEX_SHADER,vertSource);if(pvref){pvref.dispose()}wrapper.vertShader=wrapper._vref.shader;var pfref=this._fref;wrapper._fref=shaderCache.shader(gl,gl.FRAGMENT_SHADER,fragSource);if(pfref){pfref.dispose()}wrapper.fragShader=wrapper._fref.shader;if(!uniforms||!attributes){var testProgram=gl.createProgram();gl.attachShader(testProgram,wrapper.fragShader);gl.attachShader(testProgram,wrapper.vertShader);gl.linkProgram(testProgram);if(!gl.getProgramParameter(testProgram,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(testProgram);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}uniforms=uniforms||runtime.uniforms(gl,testProgram);
attributes=attributes||runtime.attributes(gl,testProgram);gl.deleteProgram(testProgram)}attributes=attributes.slice();attributes.sort(compareAttributes);var attributeUnpacked=[];var attributeNames=[];var attributeLocations=[];for(var i=0;i<attributes.length;++i){var attr=attributes[i];if(attr.type.indexOf("mat")>=0){var size=attr.type.charAt(attr.type.length-1)|0;var locVector=new Array(size);for(var j=0;j<size;++j){locVector[j]=attributeLocations.length;attributeNames.push(attr.name+"["+j+"]");if(typeof attr.location==="number"){attributeLocations.push(attr.location+j)}else if(Array.isArray(attr.location)&&attr.location.length===size&&typeof attr.location[j]==="number"){attributeLocations.push(attr.location[j]|0)}else{attributeLocations.push(-1)}}attributeUnpacked.push({name:attr.name,type:attr.type,locations:locVector})}else{attributeUnpacked.push({name:attr.name,type:attr.type,locations:[attributeLocations.length]});attributeNames.push(attr.name);if(typeof attr.location==="number"){attributeLocations.push(attr.location|0)}else{attributeLocations.push(-1)}}}var curLocation=0;for(var i=0;i<attributeLocations.length;++i){if(attributeLocations[i]<0){while(attributeLocations.indexOf(curLocation)>=0){curLocation+=1}attributeLocations[i]=curLocation}}var uniformLocations=new Array(uniforms.length);function relink(){wrapper.program=shaderCache.program(gl,wrapper._vref,wrapper._fref,attributeNames,attributeLocations);for(var i=0;i<uniforms.length;++i){uniformLocations[i]=gl.getUniformLocation(wrapper.program,uniforms[i].name)}}relink();wrapper._relink=relink;wrapper.types={uniforms:makeReflect(uniforms),attributes:makeReflect(attributes)};wrapper.attributes=createAttributeWrapper(gl,wrapper,attributeUnpacked,attributeLocations);Object.defineProperty(wrapper,"uniforms",createUniformWrapper(gl,wrapper,uniforms,uniformLocations))};function createShader(gl,vertSource,fragSource,uniforms,attributes){var shader=new Shader(gl);shader.update(vertSource,fragSource,uniforms,attributes);return shader}module.exports=createShader},{"./lib/create-attributes":32,"./lib/create-uniforms":33,"./lib/reflect":34,"./lib/runtime-reflect":35,"./lib/shader-cache":36}],32:[function(require,module,exports){"use strict";module.exports=createAttributeWrapper;function ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc){this._gl=gl;this._wrapper=wrapper;this._index=index;this._locations=locations;this._dimension=dimension;this._constFunc=constFunc}var proto=ShaderAttribute.prototype;proto.pointer=function setAttribPointer(type,normalized,stride,offset){var self=this;var gl=self._gl;var location=self._locations[self._index];gl.vertexAttribPointer(location,self._dimension,type||gl.FLOAT,!!normalized,stride||0,offset||0);gl.enableVertexAttribArray(location)};proto.set=function(x0,x1,x2,x3){return this._constFunc(this._locations[this._index],x0,x1,x2,x3)};Object.defineProperty(proto,"location",{get:function(){return this._locations[this._index]},set:function(v){if(v!==this._locations[this._index]){this._locations[this._index]=v|0;this._wrapper.program=null}return v|0}});function addVectorAttribute(gl,wrapper,index,locations,dimension,obj,name){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===void 0){return gl.vertexAttrib"+dimension+"f(v,"+varNames.join()+")}else{return gl.vertexAttrib"+dimension+"fv(v,x0)}");var constFunc=Function.apply(null,constFuncArgs);var attr=new ShaderAttribute(gl,wrapper,index,locations,dimension,constFunc);Object.defineProperty(obj,name,{set:function(x){gl.disableVertexAttribArray(locations[index]);constFunc(gl,locations[index],x);return x},get:function(){return attr},enumerable:true})}function addMatrixAttribute(gl,wrapper,index,locations,dimension,obj,name){var parts=new Array(dimension);var attrs=new Array(dimension);for(var i=0;i<dimension;++i){addVectorAttribute(gl,wrapper,index[i],locations,dimension,parts,i);attrs[i]=parts[i]}Object.defineProperty(parts,"location",{set:function(v){if(Array.isArray){for(var i=0;i<dimension;++i){attrs[i].location=v[i]}}else{for(var i=0;i<dimension;++i){result[i]=attrs[i].location=v+i}}return v},get:function(){var result=new Array(dimension);for(var i=0;i<dimension;++i){result[i]=locations[index[i]]}return result},enumerable:true});parts.pointer=function(type,normalized,stride,offset){type=type||gl.FLOAT;normalized=!!normalized;stride=stride||dimension*dimension;offset=offset||0;for(var i=0;i<dimension;++i){var location=locations[index[i]];gl.vertexAttribPointer(location,dimension,type,normalized,stride,offset+i*dimension);gl.enableVertexAttribArray(location)}};var scratch=new Array(dimension);var vertexAttrib=gl["vertexAttrib"+dimension+"fv"];Object.defineProperty(obj,name,{set:function(x){for(var i=0;i<dimension;++i){var loc=locations[index[i]];gl.disableVertexAttribArray(loc);if(Array.isArray(x[0])){vertexAttrib.call(gl,loc,x[i])}else{for(var j=0;j<dimension;++j){scratch[j]=x[dimension*i+j]}vertexAttrib.call(gl,loc,scratch)}}return x},get:function(){return parts},enumerable:true})}function createAttributeWrapper(gl,wrapper,attributes,locations){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 locs=a.locations;switch(type){case"bool":case"int":case"float":addVectorAttribute(gl,wrapper,locs[0],locations,1,obj,name);break;default:if(type.indexOf("vec")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addVectorAttribute(gl,wrapper,locs[0],locations,d,obj,name)}else if(type.indexOf("mat")>=0){var d=type.charCodeAt(type.length-1)-48;if(d<2||d>4){throw new Error("gl-shader: Invalid data type for attribute "+name+": "+type)}addMatrixAttribute(gl,wrapper,locs,locations,d,obj,name)}else{throw new Error("gl-shader: Unknown data type for attribute "+name+": "+type)}break}}return obj}},{}],33:[function(require,module,exports){"use strict";var coallesceUniforms=require("./reflect");module.exports=createUniformWrapper;function identity(x){var c=new Function("y","return function(){return y}");return c(x)}function makeVector(length,fill){var result=new Array(length);for(var i=0;i<length;++i){result[i]=fill}return result}function createUniformWrapper(gl,wrapper,uniforms,locations){function makeGetter(index){var proc=new Function("gl","wrapper","locations","return function(){return gl.getUniform(wrapper.program,locations["+index+"])}");return proc(gl,wrapper,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("gl-shader: 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("gl-shader: 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("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return"gl.uniformMatrix"+d+"fv(locations["+index+"],false,obj"+path+")"}else{throw new Error("gl-shader: 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","locations",code.join("\n"));return proc(gl,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("gl-shader: Invalid data type")}if(type.charAt(0)==="b"){return makeVector(d,false)}return makeVector(d,0)}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("gl-shader: Invalid uniform dimension type for matrix "+name+": "+type)}return makeVector(d*d,0)}else{throw new Error("gl-shader: 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":34}],34:[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}},{}],35:[function(require,module,exports){"use strict";exports.uniforms=runtimeUniforms;exports.attributes=runtimeAttributes;var GL_TO_GLSL_TYPES={FLOAT:"float",FLOAT_VEC2:"vec2",FLOAT_VEC3:"vec3",FLOAT_VEC4:"vec4",INT:"int",INT_VEC2:"ivec2",INT_VEC3:"ivec3",INT_VEC4:"ivec4",BOOL:"bool",BOOL_VEC2:"bvec2",BOOL_VEC3:"bvec3",BOOL_VEC4:"bvec4",FLOAT_MAT2:"mat2",FLOAT_MAT3:"mat3",FLOAT_MAT4:"mat4",SAMPLER_2D:"sampler2D",SAMPLER_CUBE:"samplerCube"};var GL_TABLE=null;function getType(gl,type){if(!GL_TABLE){var typeNames=Object.keys(GL_TO_GLSL_TYPES);GL_TABLE={};for(var i=0;i<typeNames.length;++i){var tn=typeNames[i];GL_TABLE[gl[tn]]=GL_TO_GLSL_TYPES[tn]}}return GL_TABLE[type]}function runtimeUniforms(gl,program){var numUniforms=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS);var result=[];for(var i=0;i<numUniforms;++i){var info=gl.getActiveUniform(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}function runtimeAttributes(gl,program){var numAttributes=gl.getProgramParameter(program,gl.ACTIVE_ATTRIBUTES);var result=[];for(var i=0;i<numAttributes;++i){var info=gl.getActiveAttrib(program,i);if(info){result.push({name:info.name,type:getType(gl,info.type)})}}return result}},{}],36:[function(require,module,exports){"use strict";exports.shader=getShaderReference;exports.program=createProgram;var weakMap=typeof WeakMap==="undefined"?require("weakmap-shim"):WeakMap;var CACHE=new weakMap;var SHADER_COUNTER=0;function ShaderReference(id,src,type,shader,programs,count,cache){this.id=id;this.src=src;this.type=type;this.shader=shader;this.count=count;this.programs=[];this.cache=cache}ShaderReference.prototype.dispose=function(){if(--this.count===0){var cache=this.cache;var gl=cache.gl;var programs=this.programs;for(var i=0,n=programs.length;i<n;++i){var p=cache.programs[programs[i]];if(p){delete cache.programs[i];gl.deleteProgram(p)}}gl.deleteShader(this.shader);delete cache.shaders[this.type===gl.FRAGMENT_SHADER|0][this.src]}};function ContextCache(gl){this.gl=gl;this.shaders=[{},{}];this.programs={}}var proto=ContextCache.prototype;function compileShader(gl,type,src){var shader=gl.createShader(type);gl.shaderSource(shader,src);gl.compileShader(shader);if(!gl.getShaderParameter(shader,gl.COMPILE_STATUS)){var errLog=gl.getShaderInfoLog(shader);console.error("gl-shader: Error compiling shader:",errLog);throw new Error("gl-shader: Error compiling shader:"+errLog)}return shader}proto.getShaderReference=function(type,src){var gl=this.gl;var shaders=this.shaders[type===gl.FRAGMENT_SHADER|0];var shader=shaders[src];if(!shader){var shaderObj=compileShader(gl,type,src);shader=shaders[src]=new ShaderReference(SHADER_COUNTER++,src,type,shaderObj,[],1,this)}else{shader.count+=1}return shader};function linkProgram(gl,vshader,fshader,attribs,locations){var program=gl.createProgram();gl.attachShader(program,vshader);gl.attachShader(program,fshader);for(var i=0;i<attribs.length;++i){gl.bindAttribLocation(program,locations[i],attribs[i])}gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS)){var errLog=gl.getProgramInfoLog(program);console.error("gl-shader: Error linking program:",errLog);throw new Error("gl-shader: Error linking program:"+errLog)}return program}proto.getProgram=function(vref,fref,attribs,locations){var token=[vref.id,fref.id,attribs.join(":"),locations.join(":")].join("@");var prog=this.programs[token];if(!prog){this.programs[token]=prog=linkProgram(this.gl,vref.shader,fref.shader,attribs,locations);vref.programs.push(token);fref.programs.push(token)}return prog};function getCache(gl){var ctxCache=CACHE.get(gl);if(!ctxCache){ctxCache=new ContextCache(gl);CACHE.set(gl,ctxCache)}return ctxCache}function getShaderReference(gl,type,src){return getCache(gl).getShaderReference(type,src)}function createProgram(gl,vref,fref,attribs,locations){return getCache(gl).getProgram(vref,fref,attribs,locations)}},{"weakmap-shim":39}],37:[function(require,module,exports){var hiddenStore=require("./hidden-store.js");module.exports=createStore;function createStore(){var key={};return function(obj){if((typeof obj!=="object"||obj===null)&&typeof obj!=="function"){throw new Error("Weakmap-shim: Key must be object")}var store=obj.valueOf(key);return store&&store.identity===key?store:hiddenStore(obj,key)}}},{"./hidden-store.js":38}],38:[function(require,module,exports){module.exports=hiddenStore;function hiddenStore(obj,key){var store={identity:key};var valueOf=obj.valueOf;Object.defineProperty(obj,"valueOf",{value:function(value){return value!==key?valueOf.apply(this,arguments):store},writable:true});return store}},{}],39:[function(require,module,exports){var createStore=require("./create-store.js");module.exports=weakMap;function weakMap(){var privates=createStore();return{get:function(key,fallback){var store=privates(key);return store.hasOwnProperty("value")?store.value:fallback},set:function(key,value){privates(key).value=value},has:function(key){return"value"in privates(key)},"delete":function(key){return delete privates(key).value}}}},{"./create-store.js":37}],40:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{"cwise-compiler":41,dup:19}],41:[function(require,module,exports){arguments[4][20][0].apply(exports,arguments)},{"./lib/thunk.js":43,dup:20}],42:[function(require,module,exports){arguments[4][21][0].apply(exports,arguments)},{dup:21,uniq:44}],43:[function(require,module,exports){arguments[4][22][0].apply(exports,arguments)},{"./compile.js":42,dup:22}],44:[function(require,module,exports){arguments[4][23][0].apply(exports,arguments)},{dup:23}],45:[function(require,module,exports){arguments[4][24][0].apply(exports,arguments)},{dup:24}],46:[function(require,module,exports){arguments[4][25][0].apply(exports,arguments)},{dup:25}],47:[function(require,module,exports){(function(global,Buffer){"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]),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 DATA=POOL.DATA,BUFFER=POOL.BUFFER;exports.free=function free(array){if(Buffer.isBuffer(array)){BUFFER[bits.log2(array.length)].push(array)}else{if(Object.prototype.toString.call(array)!=="[object ArrayBuffer]"){array=array.buffer}if(!array){return}var n=array.length||array.byteLength;var log_n=bits.log2(n)|0;DATA[log_n].push(array)}};function freeArrayBuffer(buffer){if(!buffer){return}var n=buffer.length||buffer.byteLength;var log_n=bits.log2(n);DATA[log_n].push(buffer)}function freeTypedArray(array){freeArrayBuffer(array.buffer)}exports.freeUint8=exports.freeUint16=exports.freeUint32=exports.freeInt8=exports.freeInt16=exports.freeInt32=exports.freeFloat32=exports.freeFloat=exports.freeFloat64=exports.freeDouble=exports.freeUint8Clamped=exports.freeDataView=freeTypedArray;exports.freeArrayBuffer=freeArrayBuffer;exports.freeBuffer=function freeBuffer(array){BUFFER[bits.log2(array.length)].push(array)};exports.malloc=function malloc(n,dtype){if(dtype===undefined||dtype==="arraybuffer"){return mallocArrayBuffer(n)}else{switch(dtype){case"uint8":return mallocUint8(n);case"uint16":return mallocUint16(n);case"uint32":return mallocUint32(n);case"int8":return mallocInt8(n);case"int16":return mallocInt16(n);case"int32":return mallocInt32(n);case"float":case"float32":return mallocFloat(n);case"double":case"float64":return mallocDouble(n);case"uint8_clamped":return mallocUint8Clamped(n);case"buffer":return mallocBuffer(n);case"data":case"dataview":return mallocDataView(n);default:return null}}return null};function mallocArrayBuffer(n){var n=bits.nextPow2(n);var log_n=bits.log2(n);var d=DATA[log_n];if(d.length>0){return d.pop()}return new ArrayBuffer(n)}exports.mallocArrayBuffer=mallocArrayBuffer;function mallocUint8(n){return new Uint8Array(mallocArrayBuffer(n),0,n)}exports.mallocUint8=mallocUint8;function mallocUint16(n){return new Uint16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocUint16=mallocUint16;function mallocUint32(n){return new Uint32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocUint32=mallocUint32;function mallocInt8(n){return new Int8Array(mallocArrayBuffer(n),0,n)}exports.mallocInt8=mallocInt8;function mallocInt16(n){return new Int16Array(mallocArrayBuffer(2*n),0,n)}exports.mallocInt16=mallocInt16;function mallocInt32(n){return new Int32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocInt32=mallocInt32;function mallocFloat(n){return new Float32Array(mallocArrayBuffer(4*n),0,n)}exports.mallocFloat32=exports.mallocFloat=mallocFloat;function mallocDouble(n){return new Float64Array(mallocArrayBuffer(8*n),0,n)}exports.mallocFloat64=exports.mallocDouble=mallocDouble;function mallocUint8Clamped(n){if(hasUint8C){return new Uint8ClampedArray(mallocArrayBuffer(n),0,n)}else{return mallocUint8(n)}}exports.mallocUint8Clamped=mallocUint8Clamped;function mallocDataView(n){return new DataView(mallocArrayBuffer(n),0,n)}exports.mallocDataView=mallocDataView;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.mallocBuffer=mallocBuffer;exports.clearCache=function clearCache(){for(var i=0;i<32;++i){POOL.UINT8[i].length=0;POOL.UINT16[i].length=0;POOL.UINT32[i].length=0;POOL.INT8[i].length=0;POOL.INT16[i].length=0;POOL.INT32[i].length=0;POOL.FLOAT[i].length=0;POOL.DOUBLE[i].length=0;POOL.UINT8C[i].length=0;DATA[i].length=0;BUFFER[i].length=0}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"bit-twiddle":45,buffer:1,dup:46}],48:[function(require,module,exports){arguments[4][27][0].apply(exports,arguments)},{dup:27}],49:[function(require,module,exports){arguments[4][28][0].apply(exports,arguments)},{dup:28,"weak-map":48}],50:[function(require,module,exports){"use strict";var ndarray=require("ndarray");var ops=require("ndarray-ops");var pool=require("typedarray-pool");var webglew=require("webglew");module.exports=createTexture2D;var linearTypes=null;var filterTypes=null;var wrapTypes=null;function lazyInitLinearTypes(gl){linearTypes=[gl.LINEAR,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_NEAREST];filterTypes=[gl.NEAREST,gl.LINEAR,gl.NEAREST_MIPMAP_NEAREST,gl.NEAREST_MIPMAP_LINEAR,gl.LINEAR_MIPMAP_NEAREST,gl.LINEAR_MIPMAP_LINEAR];wrapTypes=[gl.REPEAT,gl.CLAMP_TO_EDGE,gl.MIRRORED_REPEAT]}var convertFloatToUint8=function(out,inp){ops.muls(out,inp,255)};function reshapeTexture(tex,w,h){var gl=tex.gl;var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(w<0||w>maxSize||h<0||h>maxSize){throw new Error("gl-texture2d: Invalid texture size")}tex._shape=[w,h];tex.bind();gl.texImage2D(gl.TEXTURE_2D,0,tex.format,w,h,0,tex.format,tex.type,null);tex._mipLevels=[0];return tex}function Texture2D(gl,handle,width,height,format,type){this.gl=gl;this.handle=handle;this.format=format;this.type=type;this._shape=[width,height];this._mipLevels=[0];this._magFilter=gl.NEAREST;this._minFilter=gl.NEAREST;this._wrapS=gl.CLAMP_TO_EDGE;this._wrapT=gl.CLAMP_TO_EDGE;this._anisoSamples=1;var parent=this;var wrapVector=[this._wrapS,this._wrapT];Object.defineProperties(wrapVector,[{get:function(){return parent._wrapS},set:function(v){return parent.wrapS=v}},{get:function(){return parent._wrapT},set:function(v){return parent.wrapT=v}}]);this._wrapVector=wrapVector;var shapeVector=[this._shape[0],this._shape[1]];Object.defineProperties(shapeVector,[{get:function(){return parent._shape[0]},set:function(v){return parent.width=v}},{get:function(){return parent._shape[1]},set:function(v){return parent.height=v}}]);this._shapeVector=shapeVector}var proto=Texture2D.prototype;Object.defineProperties(proto,{minFilter:{get:function(){return this._minFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!webglew(gl).texture_float_linear){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,v);return this._minFilter=v}},magFilter:{get:function(){return this._magFilter},set:function(v){this.bind();var gl=this.gl;if(this.type===gl.FLOAT&&linearTypes.indexOf(v)>=0){if(!webglew(gl).texture_float_linear){v=gl.NEAREST}}if(filterTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown filter mode "+v)}gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,v);return this._magFilter=v}},mipSamples:{get:function(){return this._anisoSamples},set:function(i){var psamples=this._anisoSamples;this._anisoSamples=Math.max(i,1)|0;if(psamples!==this._anisoSamples){var ext=webglew(this.gl).EXT_texture_filter_anisotropic;if(ext){this.gl.texParameterf(this.gl.TEXTURE_2D,ext.TEXTURE_MAX_ANISOTROPY_EXT,this._anisoSamples)}}return this._anisoSamples}},wrapS:{get:function(){return this._wrapS},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,v);return this._wrapS=v}},wrapT:{get:function(){return this._wrapT},set:function(v){this.bind();if(wrapTypes.indexOf(v)<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,v);return this._wrapT=v}},wrap:{get:function(){return this._wrapVector},set:function(v){if(!Array.isArray(v)){v=[v,v]}if(v.length!==2){throw new Error("gl-texture2d: Must specify wrap mode for rows and columns")}for(var i=0;i<2;++i){if(wrapTypes.indexOf(v[i])<0){throw new Error("gl-texture2d: Unknown wrap mode "+v)}}this._wrapS=v[0];this._wrapT=v[1];var gl=this.gl;this.bind();gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,this._wrapS);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,this._wrapT);return v}},shape:{get:function(){return this._shapeVector},set:function(x){if(!Array.isArray(x)){x=[x|0,x|0]}else{if(x.length!==2){throw new Error("gl-texture2d: Invalid texture shape")}}reshapeTexture(this,x[0]|0,x[1]|0);return[x[0]|0,x[1]|0]}},width:{get:function(){return this._shape[0]},set:function(w){w=w|0;reshapeTexture(this,w,this._shape[1]);return w}},height:{get:function(){return this._shape[1]},set:function(h){h=h|0;reshapeTexture(this,this._shape[0],h);return h}}});proto.bind=function(unit){var gl=this.gl;if(unit!==undefined){gl.activeTexture(gl.TEXTURE0+(unit|0))}gl.bindTexture(gl.TEXTURE_2D,this.handle);if(unit!==undefined){return unit|0}return gl.getParameter(gl.ACTIVE_TEXTURE)-gl.TEXTURE0};proto.dispose=function(){this.gl.deleteTexture(this.handle)};proto.generateMipmap=function(){this.bind();this.gl.generateMipmap(this.gl.TEXTURE_2D);var l=Math.min(this._shape[0],this._shape[1]);for(var i=0;l>0;++i,l>>>=1){if(this._mipLevels.indexOf(i)<0){this._mipLevels.push(i)}}};proto.setPixels=function(data,x_off,y_off,mip_level){var gl=this.gl;this.bind();if(Array.isArray(x_off)){mip_level=y_off;y_off=x_off[1]|0;x_off=x_off[0]|0}else{x_off=x_off||0;y_off=y_off||0}mip_level=mip_level||0;if(data instanceof HTMLCanvasElement||data instanceof ImageData||data instanceof HTMLImageElement||data instanceof HTMLVideoElement){var needsMip=this._mipLevels.indexOf(mip_level)<0;if(needsMip){gl.texImage2D(gl.TEXTURE_2D,0,this.format,this.format,this.type,data);this._mipLevels.push(mip_level)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,this.format,this.type,data)}}else if(data.shape&&data.stride&&data.data){if(data.shape.length<2||x_off+data.shape[1]>this._shape[1]>>>mip_level||y_off+data.shape[0]>this._shape[0]>>>mip_level||x_off<0||y_off<0){throw new Error("gl-texture2d: Texture dimensions are out of bounds")}texSubImageArray(gl,x_off,y_off,mip_level,this.format,this.type,this._mipLevels,data)}else{throw new Error("gl-texture2d: Unsupported data type")}};function isPacked(shape,stride){if(shape.length===3){return stride[2]===1&&stride[1]===shape[0]*shape[2]&&stride[0]===shape[2]}return stride[0]===1&&stride[1]===shape[0]}function texSubImageArray(gl,x_off,y_off,mip_level,cformat,ctype,mipLevels,array){var dtype=array.dtype;var shape=array.shape.slice();if(shape.length<2||shape.length>3){throw new Error("gl-texture2d: Invalid ndarray, must be 2d or 3d")}var type=0,format=0;var packed=isPacked(shape,array.stride.slice());if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var channels=1;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}channels=shape[2]}else{throw new Error("gl-texture2d: Invalid shape for texture")}if((format===gl.LUMINANCE||format===gl.ALPHA)&&(cformat===gl.LUMINANCE||cformat===gl.ALPHA)){format=cformat}if(format!==cformat){throw new Error("gl-texture2d: Incompatible texture format for setPixels")}var size=array.size;var needsMip=mipLevels.indexOf(mip_level)<0;if(needsMip){mipLevels.push(mip_level)}if(type===ctype&&packed){if(array.offset===0&&array.data.length===size){if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data)}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data)}}else{if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,array.data.subarray(array.offset,array.offset+size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,array.data.subarray(array.offset,array.offset+size))}}}else{var pack_buffer;if(ctype===gl.FLOAT){pack_buffer=pool.mallocFloat32(size)}else{pack_buffer=pool.mallocUint8(size)}var pack_view=ndarray(pack_buffer,shape,[shape[2],shape[2]*shape[0],1]);if(type===gl.FLOAT&&ctype===gl.UNSIGNED_BYTE){convertFloatToUint8(pack_view,array)}else{ops.assign(pack_view,array)}if(needsMip){gl.texImage2D(gl.TEXTURE_2D,mip_level,cformat,shape[0],shape[1],0,cformat,ctype,pack_buffer.subarray(0,size))}else{gl.texSubImage2D(gl.TEXTURE_2D,mip_level,x_off,y_off,shape[0],shape[1],cformat,ctype,pack_buffer.subarray(0,size))}if(ctype===gl.FLOAT){pool.freeFloat32(pack_buffer)}else{pool.freeUint8(pack_buffer)}}}function initTexture(gl){var tex=gl.createTexture();gl.bindTexture(gl.TEXTURE_2D,tex);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);return tex}function createTextureShape(gl,width,height,format,type){var maxTextureSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(width<0||width>maxTextureSize||height<0||height>maxTextureSize){throw new Error("gl-texture2d: Invalid texture shape")}if(type===gl.FLOAT&&!webglew(gl).texture_float){throw new Error("gl-texture2d: Floating point textures not supported on this platform")}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,width,height,0,format,type,null);return new Texture2D(gl,tex,width,height,format,type)}function createTextureDOM(gl,element,format,type){var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,format,type,element);return new Texture2D(gl,tex,element.width|0,element.height|0,format,type)}function createTextureArray(gl,array){var dtype=array.dtype;var shape=array.shape.slice();var maxSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);if(shape[0]<0||shape[0]>maxSize||shape[1]<0||shape[1]>maxSize){throw new Error("gl-texture2d: Invalid texture size")}var packed=isPacked(shape,array.stride.slice());var type=0;if(dtype==="float32"){type=gl.FLOAT}else if(dtype==="float64"){type=gl.FLOAT;packed=false;dtype="float32"}else if(dtype==="uint8"){type=gl.UNSIGNED_BYTE}else{type=gl.UNSIGNED_BYTE;packed=false;dtype="uint8"}var format=0;if(shape.length===2){format=gl.LUMINANCE;shape=[shape[0],shape[1],1];array=ndarray(array.data,shape,[array.stride[0],array.stride[1],1],array.offset)}else if(shape.length===3){if(shape[2]===1){format=gl.ALPHA}else if(shape[2]===2){format=gl.LUMINANCE_ALPHA}else if(shape[2]===3){format=gl.RGB}else if(shape[2]===4){format=gl.RGBA}else{throw new Error("gl-texture2d: Invalid shape for pixel coords")}}else{throw new Error("gl-texture2d: Invalid shape for texture")}if(type===gl.FLOAT&&!webglew(gl).texture_float){type=gl.UNSIGNED_BYTE;packed=false}var buffer,buf_store;var size=array.size;if(!packed){var stride=[shape[2],shape[2]*shape[0],1];buf_store=pool.malloc(size,dtype);var buf_array=ndarray(buf_store,shape,stride,0);if((dtype==="float32"||dtype==="float64")&&type===gl.UNSIGNED_BYTE){convertFloatToUint8(buf_array,array)}else{ops.assign(buf_array,array)}buffer=buf_store.subarray(0,size)}else if(array.offset===0&&array.data.length===size){buffer=array.data}else{buffer=array.data.subarray(array.offset,array.offset+size)}var tex=initTexture(gl);gl.texImage2D(gl.TEXTURE_2D,0,format,shape[0],shape[1],0,format,type,buffer);
if(!packed){pool.free(buf_store)}return new Texture2D(gl,tex,shape[0],shape[1],format,type)}function createTexture2D(gl){if(arguments.length<=1){throw new Error("gl-texture2d: Missing arguments for texture2d constructor")}if(!linearTypes){lazyInitLinearTypes(gl)}if(typeof arguments[1]==="number"){return createTextureShape(gl,arguments[1],arguments[2],arguments[3]||gl.RGBA,arguments[4]||gl.UNSIGNED_BYTE)}if(Array.isArray(arguments[1])){return createTextureShape(gl,arguments[1][0]|0,arguments[1][1]|0,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}if(typeof arguments[1]==="object"){var obj=arguments[1];if(obj instanceof HTMLCanvasElement||obj instanceof HTMLImageElement||obj instanceof HTMLVideoElement||obj instanceof ImageData){return createTextureDOM(gl,obj,arguments[2]||gl.RGBA,arguments[3]||gl.UNSIGNED_BYTE)}else if(obj.shape&&obj.data&&obj.stride){return createTextureArray(gl,obj)}}throw new Error("gl-texture2d: Invalid arguments for texture2d constructor")}},{ndarray:59,"ndarray-ops":40,"typedarray-pool":47,webglew:49}],51:[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},{}],52:[function(require,module,exports){"use strict";var bindAttribs=require("./do-bind.js");function VAOEmulated(gl){this.gl=gl;this._elements=null;this._attributes=null;this._elementsType=gl.UNSIGNED_SHORT}VAOEmulated.prototype.bind=function(){bindAttribs(this.gl,this._elements,this._attributes)};VAOEmulated.prototype.update=function(attributes,elements,elementsType){this._elements=elements;this._attributes=attributes;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};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,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAOEmulated(gl){return new VAOEmulated(gl)}module.exports=createVAOEmulated},{"./do-bind.js":51}],53:[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;this._elementsType=gl.UNSIGNED_SHORT}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,elementsType){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;this._elementsType=elementsType||this.gl.UNSIGNED_SHORT};VAONative.prototype.draw=function(mode,count,offset){offset=offset||0;var gl=this.gl;if(this._useElements){gl.drawElements(mode,count,this._elementsType,offset)}else{gl.drawArrays(mode,offset,count)}};function createVAONative(gl,ext){return new VAONative(gl,ext,ext.createVertexArrayOES())}module.exports=createVAONative},{"./do-bind.js":51}],54:[function(require,module,exports){arguments[4][27][0].apply(exports,arguments)},{dup:27}],55:[function(require,module,exports){arguments[4][28][0].apply(exports,arguments)},{dup:28,"weak-map":54}],56:[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,elementsType){var ext=webglew(gl).OES_vertex_array_object;var vao;if(ext){vao=createVAONative(gl,ext)}else{vao=createVAOEmulated(gl)}vao.update(attributes,elements,elementsType);return vao}module.exports=createVAO},{"./lib/vao-emulated.js":52,"./lib/vao-native.js":53,webglew:55}],57:[function(require,module,exports){module.exports=noop;function noop(){throw new Error("You should bundle your code "+"using `glslify` as a transform.")}},{}],58:[function(require,module,exports){module.exports=programify;function programify(vertex,fragment,uniforms,attributes){return{vertex:vertex,fragment:fragment,uniforms:uniforms,attributes:attributes}}},{}],59:[function(require,module,exports){(function(Buffer){var iota=require("iota-array");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("+");var shapeArg=indices.map(function(i){return"b"+i}).join(",");var strideArg=indices.map(function(i){return"c"+i}).join(",");code.push("function "+className+"(a,"+shapeArg+","+strideArg+",d){this.data=a","this.shape=["+shapeArg+"]","this.stride=["+strideArg+"]","this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);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.stride[0])>Math.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);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":60}],60:[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},{}],61:[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}},{}],62:[function(require,module,exports){"use strict";var diff=new Float64Array(4);var edge0=new Float64Array(4);var edge1=new Float64Array(4);function closestPoint2d(V0,V1,V2,point,result){if(diff.length<point.length){diff=new Float64Array(point.length);edge0=new Float64Array(point.length);edge1=new Float64Array(point.length)}for(var i=0;i<point.length;++i){diff[i]=V0[i]-point[i];edge0[i]=V1[i]-V0[i];edge1[i]=V2[i]-V0[i]}var a00=0,a01=0,a11=0,b0=0,b1=0,c=0;for(var i=0;i<point.length;++i){var e0=edge0[i],e1=edge1[i],d=diff[i];a00+=e0*e0;a01+=e0*e1;a11+=e1*e1;b0+=d*e0;b1+=d*e1;c+=d*d}var det=Math.abs(a00*a11-a01*a01);var s=a01*b1-a11*b0;var t=a01*b0-a00*b1;var sqrDistance;if(s+t<=det){if(s<0){if(t<0){if(b0<0){t=0;if(-b0>=a00){s=1;sqrDistance=a00+2*b0+c}else{s=-b0/a00;sqrDistance=b0*s+c}}else{s=0;if(b1>=0){t=0;sqrDistance=c}else if(-b1>=a11){t=1;sqrDistance=a11+2*b1+c}else{t=-b1/a11;sqrDistance=b1*t+c}}}else{s=0;if(b1>=0){t=0;sqrDistance=c}else if(-b1>=a11){t=1;sqrDistance=a11+2*b1+c}else{t=-b1/a11;sqrDistance=b1*t+c}}}else if(t<0){t=0;if(b0>=0){s=0;sqrDistance=c}else if(-b0>=a00){s=1;sqrDistance=a00+2*b0+c}else{s=-b0/a00;sqrDistance=b0*s+c}}else{var invDet=1/det;s*=invDet;t*=invDet;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}else{var tmp0,tmp1,numer,denom;if(s<0){tmp0=a01+b0;tmp1=a11+b1;if(tmp1>tmp0){numer=tmp1-tmp0;denom=a00-2*a01+a11;if(numer>=denom){s=1;t=0;sqrDistance=a00+2*b0+c}else{s=numer/denom;t=1-s;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}else{s=0;if(tmp1<=0){t=1;sqrDistance=a11+2*b1+c}else if(b1>=0){t=0;sqrDistance=c}else{t=-b1/a11;sqrDistance=b1*t+c}}}else if(t<0){tmp0=a01+b1;tmp1=a00+b0;if(tmp1>tmp0){numer=tmp1-tmp0;denom=a00-2*a01+a11;if(numer>=denom){t=1;s=0;sqrDistance=a11+2*b1+c}else{t=numer/denom;s=1-t;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}else{t=0;if(tmp1<=0){s=1;sqrDistance=a00+2*b0+c}else if(b0>=0){s=0;sqrDistance=c}else{s=-b0/a00;sqrDistance=b0*s+c}}}else{numer=a11+b1-a01-b0;if(numer<=0){s=0;t=1;sqrDistance=a11+2*b1+c}else{denom=a00-2*a01+a11;if(numer>=denom){s=1;t=0;sqrDistance=a00+2*b0+c}else{s=numer/denom;t=1-s;sqrDistance=s*(a00*s+a01*t+2*b0)+t*(a01*s+a11*t+2*b1)+c}}}}var u=1-s-t;for(var i=0;i<point.length;++i){result[i]=u*V0[i]+s*V1[i]+t*V2[i]}if(sqrDistance<0){return 0}return sqrDistance}module.exports=closestPoint2d},{}],"gl-mesh3d":[function(require,module,exports){"use strict";var createBuffer=require("gl-buffer");var createVAO=require("gl-vao");var createTexture=require("gl-texture2d");var createShader=require("gl-shader");var normals=require("normals");var multiply=require("gl-mat4/multiply");var invert=require("gl-mat4/invert");var ndarray=require("ndarray");var colormap=require("colormap");var shaders=require("./lib/shaders");var closestPoint=require("./lib/closest-point");var meshShader=shaders.meshShader;var wireShader=shaders.wireShader;var pointShader=shaders.pointShader;var pickShader=shaders.pickShader;var pointPickShader=shaders.pointPickShader;var identityMatrix=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];function SimplicialMesh(gl,texture,triShader,lineShader,pointShader,pickShader,pointPickShader,trianglePositions,triangleIds,triangleColors,triangleUVs,triangleNormals,triangleVAO,edgePositions,edgeIds,edgeColors,edgeUVs,edgeVAO,pointPositions,pointIds,pointColors,pointUVs,pointSizes,pointVAO){this.gl=gl;this.cells=[];this.positions=[];this.texture=texture;this.dirty=true;this.triShader=triShader;this.lineShader=lineShader;this.pointShader=pointShader;this.pickShader=pickShader;this.pointPickShader=pointPickShader;this.trianglePositions=trianglePositions;this.triangleColors=triangleColors;this.triangleNormals=triangleNormals;this.triangleUVs=triangleUVs;this.triangleIds=triangleIds;this.triangleVAO=triangleVAO;this.triangleCount=0;this.lineWidth=1;this.edgePositions=edgePositions;this.edgeColors=edgeColors;this.edgeUVs=edgeUVs;this.edgeIds=edgeIds;this.edgeVAO=edgeVAO;this.edgeCount=0;this.pointPositions=pointPositions;this.pointColors=pointColors;this.pointUVs=pointUVs;this.pointSizes=pointSizes;this.pointIds=pointIds;this.pointVAO=pointVAO;this.pointCount=0;this.pickId=1;this.bounds=[[Infinity,Infinity,Infinity],[-Infinity,-Infinity,-Infinity]];this.clipBounds=[[-Infinity,-Infinity,-Infinity],[Infinity,Infinity,Infinity]];this.lightPosition=[1e5,1e5,0];this.ambientLight=.8;this.diffuseLight=.8;this.specularLight=2;this.roughness=.5;this.fresnel=1.5;this.opacity=1;this._model=identityMatrix;this._view=identityMatrix;this._projection=identityMatrix;this._resolution=[1,1]}var proto=SimplicialMesh.prototype;proto.isOpaque=function(){return this.opacity>=1};proto.isTransparent=function(){return this.opacity<1};proto.pickSlots=1;proto.setPickBase=function(id){this.pickId=id};function genColormap(param){var colors=colormap({colormap:param,nshades:256,format:"rgba"});var result=new Uint8Array(256*4);for(var i=0;i<256;++i){var c=colors[i];for(var j=0;j<3;++j){result[4*i+j]=c[j]}result[4*i+3]=c[3]*255}return ndarray(result,[256,256,4],[4,0,1])}proto.update=function(params){params=params||{};var gl=this.gl;this.dirty=true;if("lineWidth"in params){this.lineWidth=params.lineWidth}if("opacity"in params){this.opacity=params.opacity}if(params.texture){this.texture.dispose();this.texture=createTexture(gl,params.texture)}else if(params.colormap){this.texture.shape=[256,256];this.texture.minFilter=gl.LINEAR_MIPMAP_LINEAR;this.texture.magFilter=gl.LINEAR;this.texture.setPixels(genColormap(params.colormap));this.texture.generateMipmap()}var cells=params.cells;var positions=params.positions;if(!positions||!cells){return}var tPos=[];var tCol=[];var tNor=[];var tUVs=[];var tIds=[];var ePos=[];var eCol=[];var eUVs=[];var eIds=[];var pPos=[];var pCol=[];var pUVs=[];var pSiz=[];var pIds=[];this.cells=cells;this.positions=positions;var vertexNormals=params.vertexNormals;var cellNormals=params.cellNormals;if(params.useFacetNormals&&!cellNormals){cellNormals=normals.faceNormals(cells,positions)}if(!cellNormals&&!vertexNormals){vertexNormals=normals.vertexNormals(cells,positions)}var vertexColors=params.vertexColors;var cellColors=params.cellColors;var meshColor=params.meshColor||[1,1,1,1];var vertexUVs=params.vertexUVs;var vertexIntensity=params.vertexIntensity;var cellUVs=params.cellUVs;var cellIntensity=params.cellIntensity;var intensityLo=Infinity;var intensityHi=-Infinity;if(!vertexUVs&&!cellUVs){if(vertexIntensity){for(var i=0;i<vertexIntensity.length;++i){var f=vertexIntensity[i];intensityLo=Math.min(intensityLo,f);intensityHi=Math.max(intensityHi,f)}}else if(cellIntensity){for(var i=0;i<cellIntensity.length;++i){var f=cellIntensity[i];intensityLo=Math.min(intensityLo,f);intensityHi=Math.max(intensityHi,f)}}else{for(var i=0;i<positions.length;++i){var f=positions[i][2];intensityLo=Math.min(intensityLo,f);intensityHi=Math.max(intensityHi,f)}}}var pointSizes=params.pointSizes;var meshPointSize=params.pointSize||1;this.bounds=[[Infinity,Infinity,Infinity],[-Infinity,-Infinity,-Infinity]];for(var i=0;i<positions.length;++i){var p=positions[i];for(var j=0;j<3;++j){if(isNaN(p[j])||!isFinite(p[j])){continue}this.bounds[0][j]=Math.min(this.bounds[0][j],p[j]);this.bounds[1][j]=Math.max(this.bounds[1][j],p[j])}}var triangleCount=0;var edgeCount=0;var pointCount=0;fill_loop:for(var i=0;i<cells.length;++i){var cell=cells[i];switch(cell.length){case 1:var v=cell[0];var p=positions[v];for(var j=0;j<3;++j){if(isNaN(p[j])||!isFinite(p[j])){continue fill_loop}}pPos.push(p[0],p[1],p[2]);var c;if(vertexColors){c=vertexColors[v]}else if(cellColors){c=cellColors[i]}else{c=meshColor}if(c.length===3){pCol.push(c[0],c[1],c[2],1)}else{pCol.push(c[0],c[1],c[2],c[3])}var uv;if(vertexUVs){uv=vertexUVs[v]}else if(vertexIntensity){uv=[(vertexIntensity[v]-intensityLo)/(intensityHi-intensityLo),0]}else if(cellUVs){uv=cellUVs[i]}else if(cellIntensity){uv=[(cellIntensity[i]-intensityLo)/(intensityHi-intensityLo),0]}else{uv=[(p[2]-intensityLo)/(intensityHi-intensityLo),0]}pUVs.push(uv[0],uv[1]);if(pointSizes){pSiz.push(pointSizes[v])}else{pSiz.push(meshPointSize)}pIds.push(i);pointCount+=1;break;case 2:for(var j=0;j<2;++j){var v=cell[j];var p=positions[v];for(var k=0;k<3;++k){if(isNaN(p[k])||!isFinite(p[k])){continue fill_loop}}}for(var j=0;j<2;++j){var v=cell[j];var p=positions[v];ePos.push(p[0],p[1],p[2]);var c;if(vertexColors){c=vertexColors[v]}else if(cellColors){c=cellColors[i]}else{c=meshColor}if(c.length===3){eCol.push(c[0],c[1],c[2],1)}else{eCol.push(c[0],c[1],c[2],c[3])}var uv;if(vertexUVs){uv=vertexUVs[v]}else if(vertexIntensity){uv=[(vertexIntensity[v]-intensityLo)/(intensityHi-intensityLo),0]}else if(cellUVs){uv=cellUVs[i]}else if(cellIntensity){uv=[(cellIntensity[i]-intensityLo)/(intensityHi-intensityLo),0]}else{uv=[(p[2]-intensityLo)/(intensityHi-intensityLo),0]}eUVs.push(uv[0],uv[1]);eIds.push(i)}edgeCount+=1;break;case 3:for(var j=0;j<3;++j){var v=cell[j];var p=positions[v];for(var k=0;k<3;++k){if(isNaN(p[k])||!isFinite(p[k])){continue fill_loop}}}for(var j=0;j<3;++j){var v=cell[j];var p=positions[v];tPos.push(p[0],p[1],p[2]);var c;if(vertexColors){c=vertexColors[v]}else if(cellColors){c=cellColors[i]}else{c=meshColor}if(c.length===3){tCol.push(c[0],c[1],c[2],1)}else{tCol.push(c[0],c[1],c[2],c[3])}var uv;if(vertexUVs){uv=vertexUVs[v]}else if(vertexIntensity){uv=[(vertexIntensity[v]-intensityLo)/(intensityHi-intensityLo),0]}else if(cellUVs){uv=cellUVs[i]}else if(cellIntensity){uv=[(cellIntensity[i]-intensityLo)/(intensityHi-intensityLo),0]}else{uv=[(p[2]-intensityLo)/(intensityHi-intensityLo),0]}tUVs.push(uv[0],uv[1]);var q;if(vertexNormals){q=vertexNormals[v]}else{q=cellNormals[i]}tNor.push(q[0],q[1],q[2]);tIds.push(i)}triangleCount+=1;break;default:break}}this.pointCount=pointCount;this.edgeCount=edgeCount;this.triangleCount=triangleCount;this.pointPositions.update(pPos);this.pointColors.update(pCol);this.pointUVs.update(pUVs);this.pointSizes.update(pSiz);this.pointIds.update(new Uint32Array(pIds));this.edgePositions.update(ePos);this.edgeColors.update(eCol);this.edgeUVs.update(eUVs);this.edgeIds.update(new Uint32Array(eIds));this.trianglePositions.update(tPos);this.triangleColors.update(tCol);this.triangleUVs.update(tUVs);this.triangleNormals.update(tNor);this.triangleIds.update(new Uint32Array(tIds))};proto.drawTransparent=proto.draw=function(params){params=params||{};var gl=this.gl;var model=params.model||identityMatrix;var view=params.view||identityMatrix;var projection=params.projection||identityMatrix;var clipBounds=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]];for(var i=0;i<3;++i){clipBounds[0][i]=Math.max(clipBounds[0][i],this.clipBounds[0][i]);clipBounds[1][i]=Math.min(clipBounds[1][i],this.clipBounds[1][i])}var uniforms={model:model,view:view,projection:projection,clipBounds:clipBounds,kambient:this.ambientLight,kdiffuse:this.diffuseLight,kspecular:this.specularLight,roughness:this.roughness,fresnel:this.fresnel,eyePosition:[0,0,0],lightPosition:[0,0,0],opacity:this.opacity,texture:0};this.texture.bind(0);var invCameraMatrix=new Array(16);multiply(invCameraMatrix,uniforms.view,uniforms.model);multiply(invCameraMatrix,uniforms.projection,invCameraMatrix);invert(invCameraMatrix,invCameraMatrix);for(var i=0;i<3;++i){uniforms.eyePosition[i]=invCameraMatrix[12+i]/invCameraMatrix[15]}var w=invCameraMatrix[15];for(var i=0;i<3;++i){w+=this.lightPosition[i]*invCameraMatrix[4*i+3]}for(var i=0;i<3;++i){var s=invCameraMatrix[12+i];for(var j=0;j<3;++j){s+=invCameraMatrix[4*j+i]*this.lightPosition[j]}uniforms.lightPosition[i]=s/w}if(this.triangleCount>0){var shader=this.triShader;shader.bind();shader.uniforms=uniforms;this.triangleVAO.bind();gl.drawArrays(gl.TRIANGLES,0,this.triangleCount*3);this.triangleVAO.unbind()}if(this.edgeCount>0){var shader=this.lineShader;shader.bind();shader.uniforms=uniforms;this.edgeVAO.bind();gl.lineWidth(this.lineWidth);gl.drawArrays(gl.LINES,0,this.edgeCount*2);this.edgeVAO.unbind()}if(this.pointCount>0){var shader=this.pointShader;shader.bind();shader.uniforms=uniforms;this.pointVAO.bind();gl.drawArrays(gl.POINTS,0,this.pointCount);this.pointVAO.unbind()}};proto.drawPick=function(params){params=params||{};var gl=this.gl;var model=params.model||identityMatrix;var view=params.view||identityMatrix;var projection=params.projection||identityMatrix;var clipBounds=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]];for(var i=0;i<3;++i){clipBounds[0][i]=Math.max(clipBounds[0][i],this.clipBounds[0][i]);clipBounds[1][i]=Math.min(clipBounds[1][i],this.clipBounds[1][i])}this._model=[].slice.call(model);this._view=[].slice.call(view);this._projection=[].slice.call(projection);this._resolution=[gl.drawingBufferWidth,gl.drawingBufferHeight];var uniforms={model:model,view:view,projection:projection,clipBounds:clipBounds,pickId:this.pickId/255};var shader=this.pickShader;shader.bind();shader.uniforms=uniforms;if(this.triangleCount>0){this.triangleVAO.bind();gl.drawArrays(gl.TRIANGLES,0,this.triangleCount*3);this.triangleVAO.unbind()}if(this.edgeCount>0){this.edgeVAO.bind();gl.lineWidth(this.lineWidth);gl.drawArrays(gl.LINES,0,this.edgeCount*2);this.edgeVAO.unbind()}if(this.pointCount>0){var shader=this.pointPickShader;shader.bind();shader.uniforms=uniforms;this.pointVAO.bind();gl.drawArrays(gl.POINTS,0,this.pointCount);this.pointVAO.unbind()}};proto.pick=function(pickData){if(!pickData){return null}if(pickData.id!==this.pickId){return null}var cellId=pickData.value[0]+256*pickData.value[1]+65536*pickData.value[2];var cell=this.cells[cellId];var positions=this.positions;var simplex=new Array(cell.length);for(var i=0;i<cell.length;++i){simplex[i]=positions[cell[i]]}var data=closestPoint(simplex,[pickData.coord[0],this._resolution[1]-pickData.coord[1]],this._model,this._view,this._projection,this._resolution);if(!data){return null}return{position:data[1],index:cell[data[0]],cell:cell,cellId:cellId}};proto.dispose=function(){this.texture.dispose();this.triShader.dispose();this.lineShader.dispose();this.pointShader.dispose();this.pickShader.dispose();this.pointPickShader.dispose();this.triangleVAO.dispose();this.trianglePositions.dispose();this.triangleColors.dispose();this.triangleUVs.dispose();this.triangleNormals.dispose();this.triangleIds.dispose();this.edgeVAO.dispose();this.edgePositions.dispose();this.edgeColors.dispose();this.edgeUVs.dispose();this.edgeIds.dispose();this.pointVAO.dispose();this.pointPositions.dispose();this.pointColors.dispose();this.pointUVs.dispose();this.pointSizes.dispose();this.pointIds.dispose()};function createMeshShader(gl){var shader=createShader(gl,meshShader);shader.attributes.position.location=0;shader.attributes.color.location=2;shader.attributes.uv.location=3;shader.attributes.normal.location=4;return shader}function createWireShader(gl){var shader=createShader(gl,wireShader);shader.attributes.position.location=0;shader.attributes.color.location=2;shader.attributes.uv.location=3;return shader}function createPointShader(gl){var shader=createShader(gl,pointShader);shader.attributes.position.location=0;shader.attributes.color.location=2;shader.attributes.uv.location=3;shader.attributes.pointSize.location=4;return shader}function createPickShader(gl){var shader=createShader(gl,pickShader);shader.attributes.position.location=0;shader.attributes.id.location=1;return shader}function createPointPickShader(gl){var shader=createShader(gl,pointPickShader);shader.attributes.position.location=0;shader.attributes.id.location=1;shader.attributes.pointSize.location=4;return shader}function createSimplicialMesh(params){var gl=params.gl;var triShader=createMeshShader(gl);var lineShader=createWireShader(gl);var pointShader=createPointShader(gl);var pickShader=createPickShader(gl);var pointPickShader=createPointPickShader(gl);var meshTexture=createTexture(gl,ndarray(new Uint8Array([255,255,255,255]),[1,1,4]));meshTexture.generateMipmap();meshTexture.minFilter=gl.LINEAR_MIPMAP_LINEAR;meshTexture.magFilter=gl.LINEAR;var trianglePositions=createBuffer(gl);var triangleColors=createBuffer(gl);var triangleUVs=createBuffer(gl);var triangleNormals=createBuffer(gl);var triangleIds=createBuffer(gl);var triangleVAO=createVAO(gl,[{buffer:trianglePositions,type:gl.FLOAT,size:3},{buffer:triangleIds,type:gl.UNSIGNED_BYTE,size:4,normalized:true},{buffer:triangleColors,type:gl.FLOAT,
size:4},{buffer:triangleUVs,type:gl.FLOAT,size:2},{buffer:triangleNormals,type:gl.FLOAT,size:3}]);var edgePositions=createBuffer(gl);var edgeColors=createBuffer(gl);var edgeUVs=createBuffer(gl);var edgeIds=createBuffer(gl);var edgeVAO=createVAO(gl,[{buffer:edgePositions,type:gl.FLOAT,size:3},{buffer:edgeIds,type:gl.UNSIGNED_BYTE,size:4,normalized:true},{buffer:edgeColors,type:gl.FLOAT,size:4},{buffer:edgeUVs,type:gl.FLOAT,size:2}]);var pointPositions=createBuffer(gl);var pointColors=createBuffer(gl);var pointUVs=createBuffer(gl);var pointSizes=createBuffer(gl);var pointIds=createBuffer(gl);var pointVAO=createVAO(gl,[{buffer:pointPositions,type:gl.FLOAT,size:3},{buffer:pointIds,type:gl.UNSIGNED_BYTE,size:4,normalized:true},{buffer:pointColors,type:gl.FLOAT,size:4},{buffer:pointUVs,type:gl.FLOAT,size:2},{buffer:pointSizes,type:gl.FLOAT,size:1}]);var mesh=new SimplicialMesh(gl,meshTexture,triShader,lineShader,pointShader,pickShader,pointPickShader,trianglePositions,triangleIds,triangleColors,triangleUVs,triangleNormals,triangleVAO,edgePositions,edgeIds,edgeColors,edgeUVs,edgeVAO,pointPositions,pointIds,pointColors,pointUVs,pointSizes,pointVAO);mesh.update(params);return mesh}module.exports=createSimplicialMesh},{"./lib/closest-point":5,"./lib/shaders":6,colormap:16,"gl-buffer":18,"gl-mat4/invert":29,"gl-mat4/multiply":30,"gl-shader":31,"gl-texture2d":50,"gl-vao":56,ndarray:59,normals:61}]},{},[]);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);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return 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},{}]},{},[]);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);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(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}},{}],2:[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}}var proto=UnionFind.prototype;Object.defineProperty(proto,"length",{get:function(){return this.roots.length}});proto.makeSet=function(){var n=this.roots.length;this.roots.push(n);this.ranks.push(0);return n};proto.find=function(x){var x0=x;var roots=this.roots;while(roots[x]!==x){x=roots[x]}while(roots[x0]!==x){var y=roots[x0];roots[x0]=x;x0=y}return x};proto.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]}}},{}],"simplicial-complex":[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":1,"union-find":2}]},{},[]);var createScene=require("gl-plot3d");var createMesh=require("gl-mesh3d");var bunny=require("bunny");var sc=require("simplicial-complex");var scene=createScene();var mesh=createMesh({gl:scene.gl,cells:sc.skeleton(bunny.cells,1),positions:bunny.positions,colormap:"jet"});scene.add(mesh);
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package.json
{
"name": "requirebin-sketch",
"version": "1.0.0",
"dependencies": {
"gl-plot3d": "1.0.0",
"gl-mesh3d": "1.0.0",
"bunny": "1.0.1",
"simplicial-complex": "1.0.0"
}
}
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page-body.html
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page-head.html
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