init latest version of harp

7 files changed, 8287 insertions, 0 deletions

diff --git a/js/vendor/Tone.min.js b/js/vendor/Tone.min.js
new file mode 100644
index 0000000..28dcb52
--- /dev/null
+++ b/js/vendor/Tone.min.js
@@ -0,0 +1,14 @@
+!function(t,e){"function"==typeof define&&define.amd?define(function(){return e()}):"object"==typeof module?module.exports=e():t.Tone=e()}(this,function(){"use strict";function t(t){i=t()}function e(t){t(i)}var i;/**
+	 *  Tone.js
+	 *  @author Yotam Mann
+	 *  @license http://opensource.org/licenses/MIT MIT License
+	 *  @copyright 2014-2016 Yotam Mann
+	 */
+return t(function(){function t(t){return void 0===t}function e(t){return"function"==typeof t}var i,s,n,o;if(t(window.AudioContext)&&(window.AudioContext=window.webkitAudioContext),t(window.OfflineAudioContext)&&(window.OfflineAudioContext=window.webkitOfflineAudioContext),t(AudioContext))throw new Error("Web Audio is not supported in this browser");return i=new AudioContext,e(AudioContext.prototype.createGain)||(AudioContext.prototype.createGain=AudioContext.prototype.createGainNode),e(AudioContext.prototype.createDelay)||(AudioContext.prototype.createDelay=AudioContext.prototype.createDelayNode),e(AudioContext.prototype.createPeriodicWave)||(AudioContext.prototype.createPeriodicWave=AudioContext.prototype.createWaveTable),e(AudioBufferSourceNode.prototype.start)||(AudioBufferSourceNode.prototype.start=AudioBufferSourceNode.prototype.noteGrainOn),e(AudioBufferSourceNode.prototype.stop)||(AudioBufferSourceNode.prototype.stop=AudioBufferSourceNode.prototype.noteOff),e(OscillatorNode.prototype.start)||(OscillatorNode.prototype.start=OscillatorNode.prototype.noteOn),e(OscillatorNode.prototype.stop)||(OscillatorNode.prototype.stop=OscillatorNode.prototype.noteOff),e(OscillatorNode.prototype.setPeriodicWave)||(OscillatorNode.prototype.setPeriodicWave=OscillatorNode.prototype.setWaveTable),t(AudioNode.prototype._nativeConnect)&&(AudioNode.prototype._nativeConnect=AudioNode.prototype.connect,AudioNode.prototype.connect=function(e,i,s){if(e.input)Array.isArray(e.input)?(t(s)&&(s=0),this.connect(e.input[s])):this.connect(e.input,i,s);else try{e instanceof AudioNode?this._nativeConnect(e,i,s):this._nativeConnect(e,i)}catch(n){throw new Error("error connecting to node: "+e)}}),s=function(e,i){t(e)||1===e?this.input=this.context.createGain():e>1&&(this.input=new Array(e)),t(i)||1===i?this.output=this.context.createGain():i>1&&(this.output=new Array(e))},s.prototype.set=function(e,i,n){var o,r,a,h,l,u;this.isObject(e)?n=i:this.isString(e)&&(o={},o[e]=i,e=o);for(r in e){if(i=e[r],a=this,-1!==r.indexOf(".")){for(h=r.split("."),l=0;l<h.length-1;l++)a=a[h[l]];r=h[h.length-1]}u=a[r],t(u)||(s.Signal&&u instanceof s.Signal||s.Param&&u instanceof s.Param?u.value!==i&&(t(n)?u.value=i:u.rampTo(i,n)):u instanceof AudioParam?u.value!==i&&(u.value=i):u instanceof s?u.set(i):u!==i&&(a[r]=i))}return this},s.prototype.get=function(i){var n,o,r,a,h,l,u,c,p;for(t(i)?i=this._collectDefaults(this.constructor):this.isString(i)&&(i=[i]),n={},o=0;o<i.length;o++){if(r=i[o],a=this,h=n,-1!==r.indexOf(".")){for(l=r.split("."),u=0;u<l.length-1;u++)c=l[u],h[c]=h[c]||{},h=h[c],a=a[c];r=l[l.length-1]}p=a[r],this.isObject(i[r])?h[r]=p.get():s.Signal&&p instanceof s.Signal?h[r]=p.value:s.Param&&p instanceof s.Param?h[r]=p.value:p instanceof AudioParam?h[r]=p.value:p instanceof s?h[r]=p.get():e(p)||t(p)||(h[r]=p)}return n},s.prototype._collectDefaults=function(e){var i,s,n=[];if(t(e.defaults)||(n=Object.keys(e.defaults)),!t(e._super))for(i=this._collectDefaults(e._super),s=0;s<i.length;s++)-1===n.indexOf(i[s])&&n.push(i[s]);return n},s.prototype.toString=function(){var t,i,n;for(t in s)if(i=t[0].match(/^[A-Z]$/),n=s[t]===this.constructor,e(s[t])&&i&&n)return t;return"Tone"},s.context=i,s.prototype.context=s.context,s.prototype.bufferSize=2048,s.prototype.blockTime=128/s.context.sampleRate,s.prototype.sampleTime=1/s.context.sampleRate,s.prototype.dispose=function(){return this.isUndef(this.input)||(this.input instanceof AudioNode&&this.input.disconnect(),this.input=null),this.isUndef(this.output)||(this.output instanceof AudioNode&&this.output.disconnect(),this.output=null),this},n=null,s.prototype.noGC=function(){return this.output.connect(n),this},AudioNode.prototype.noGC=function(){return this.connect(n),this},s.prototype.connect=function(t,e,i){return Array.isArray(this.output)?(e=this.defaultArg(e,0),this.output[e].connect(t,0,i)):this.output.connect(t,e,i),this},s.prototype.disconnect=function(t){return Array.isArray(this.output)?(t=this.defaultArg(t,0),this.output[t].disconnect()):this.isUndef(t)?this.output.disconnect():this.output.disconnect(t),this},s.prototype.connectSeries=function(){var t,e,i;if(arguments.length>1)for(t=arguments[0],e=1;e<arguments.length;e++)i=arguments[e],t.connect(i),t=i;return this},s.prototype.chain=function(){var t,e,i;if(arguments.length>0)for(t=this,e=0;e<arguments.length;e++)i=arguments[e],t.connect(i),t=i;return this},s.prototype.fan=function(){if(arguments.length>0)for(var t=0;t<arguments.length;t++)this.connect(arguments[t]);return this},AudioNode.prototype.chain=s.prototype.chain,AudioNode.prototype.fan=s.prototype.fan,s.prototype.defaultArg=function(e,i){var s,n,o;if(this.isObject(e)&&this.isObject(i)){s={};for(n in e)s[n]=this.defaultArg(i[n],e[n]);for(o in i)s[o]=this.defaultArg(e[o],i[o]);return s}return t(e)?i:e},s.prototype.optionsObject=function(t,e,i){var s,n={};if(1===t.length&&this.isObject(t[0]))n=t[0];else for(s=0;s<e.length;s++)n[e[s]]=t[s];return this.isUndef(i)?n:this.defaultArg(n,i)},s.prototype.isUndef=t,s.prototype.isFunction=e,s.prototype.isNumber=function(t){return"number"==typeof t},s.prototype.isObject=function(t){return"[object Object]"===Object.prototype.toString.call(t)&&t.constructor===Object},s.prototype.isBoolean=function(t){return"boolean"==typeof t},s.prototype.isArray=function(t){return Array.isArray(t)},s.prototype.isString=function(t){return"string"==typeof t},s.noOp=function(){},s.prototype._readOnly=function(t){if(Array.isArray(t))for(var e=0;e<t.length;e++)this._readOnly(t[e]);else Object.defineProperty(this,t,{writable:!1,enumerable:!0})},s.prototype._writable=function(t){if(Array.isArray(t))for(var e=0;e<t.length;e++)this._writable(t[e]);else Object.defineProperty(this,t,{writable:!0})},s.State={Started:"started",Stopped:"stopped",Paused:"paused"},s.prototype.equalPowerScale=function(t){var e=.5*Math.PI;return Math.sin(t*e)},s.prototype.dbToGain=function(t){return Math.pow(2,t/6)},s.prototype.gainToDb=function(t){return 20*(Math.log(t)/Math.LN10)},s.prototype.intervalToFrequencyRatio=function(t){return Math.pow(2,t/12)},s.prototype.now=function(){return this.context.currentTime},s.now=function(){return s.context.currentTime},s.extend=function(e,i){function n(){}t(i)&&(i=s),n.prototype=i.prototype,e.prototype=new n,e.prototype.constructor=e,e._super=i},o=[],s._initAudioContext=function(t){t(s.context),o.push(t)},s.setContext=function(t){s.prototype.context=t,s.context=t;for(var e=0;e<o.length;e++)o[e](t)},s._initAudioContext(function(t){s.prototype.blockTime=128/t.sampleRate,s.prototype.sampleTime=1/t.sampleRate,n=t.createGain(),n.gain.value=0,n.connect(t.destination)}),s.version="r7",console.log("%c * Tone.js "+s.version+" * ","background: #000; color: #fff"),s}),e(function(t){return t.SignalBase=function(){},t.extend(t.SignalBase),t.SignalBase.prototype.connect=function(e,i,s){return t.Signal&&t.Signal===e.constructor||t.Param&&t.Param===e.constructor||t.TimelineSignal&&t.TimelineSignal===e.constructor?(e._param.cancelScheduledValues(0),e._param.value=0,e.overridden=!0):e instanceof AudioParam&&(e.cancelScheduledValues(0),e.value=0),t.prototype.connect.call(this,e,i,s),this},t.SignalBase}),e(function(t){return t.WaveShaper=function(t,e){this._shaper=this.input=this.output=this.context.createWaveShaper(),this._curve=null,Array.isArray(t)?this.curve=t:isFinite(t)||this.isUndef(t)?this._curve=new Float32Array(this.defaultArg(t,1024)):this.isFunction(t)&&(this._curve=new Float32Array(this.defaultArg(e,1024)),this.setMap(t))},t.extend(t.WaveShaper,t.SignalBase),t.WaveShaper.prototype.setMap=function(t){var e,i,s;for(e=0,i=this._curve.length;i>e;e++)s=e/(i-1)*2-1,this._curve[e]=t(s,e);return this._shaper.curve=this._curve,this},Object.defineProperty(t.WaveShaper.prototype,"curve",{get:function(){return this._shaper.curve},set:function(t){this._curve=new Float32Array(t),this._shaper.curve=this._curve}}),Object.defineProperty(t.WaveShaper.prototype,"oversample",{get:function(){return this._shaper.oversample},set:function(t){if(-1===["none","2x","4x"].indexOf(t))throw new RangeError("Tone.WaveShaper: oversampling must be either 'none', '2x', or '4x'");this._shaper.oversample=t}}),t.WaveShaper.prototype.dispose=function(){return t.prototype.dispose.call(this),this._shaper.disconnect(),this._shaper=null,this._curve=null,this},t.WaveShaper}),e(function(t){return t.TimeBase=function(e,i){if(!(this instanceof t.TimeBase))return new t.TimeBase(e,i);if(this._expr=this._noOp,i=this.defaultArg(i,this._defaultUnits),this.isString(e))this._expr=this._parseExprString(e);else if(this.isNumber(e)){var s=this._primaryExpressions[i].method;this._expr=s.bind(this,e)}else this.isUndef(e)?this._expr=this._defaultExpr():e instanceof t.TimeBase&&(this._expr=e._expr)},t.extend(t.TimeBase),t.TimeBase.prototype.set=function(t){return this._expr=this._parseExprString(t),this},t.TimeBase.prototype._primaryExpressions={n:{regexp:/^(\d+)n/i,method:function(t){return t=parseInt(t),this._beatsToUnits(1===t?this._timeSignature():4/t)}},t:{regexp:/^(\d+)t/i,method:function(t){return t=parseInt(t),this._beatsToUnits(8/(3*parseInt(t)))}},m:{regexp:/^(\d+)m/i,method:function(t){return this._beatsToUnits(parseInt(t)*this._timeSignature())}},i:{regexp:/^(\d+)i/i,method:function(t){return this._ticksToUnits(parseInt(t))}},hz:{regexp:/^(\d+(?:\.\d+)?)hz/i,method:function(t){return this._frequencyToUnits(parseFloat(t))}},tr:{regexp:/^(\d+(?:\.\d+)?):(\d+(?:\.\d+)?):?(\d+(?:\.\d+)?)?/,method:function(t,e,i){var s=0;return t&&"0"!==t&&(s+=this._beatsToUnits(this._timeSignature()*parseFloat(t))),e&&"0"!==e&&(s+=this._beatsToUnits(parseFloat(e))),i&&"0"!==i&&(s+=this._beatsToUnits(parseFloat(i)/4)),s}},s:{regexp:/^(\d+(?:\.\d+)?s)/,method:function(t){return this._secondsToUnits(parseFloat(t))}},samples:{regexp:/^(\d+)samples/,method:function(t){return parseInt(t)/this.context.sampleRate}},"default":{regexp:/^(\d+(?:\.\d+)?)/,method:function(t){return this._primaryExpressions[this._defaultUnits].method.call(this,t)}}},t.TimeBase.prototype._binaryExpressions={"+":{regexp:/^\+/,precedence:2,method:function(t,e){return t()+e()}},"-":{regexp:/^\-/,precedence:2,method:function(t,e){return t()-e()}},"*":{regexp:/^\*/,precedence:1,method:function(t,e){return t()*e()}},"/":{regexp:/^\//,precedence:1,method:function(t,e){return t()/e()}}},t.TimeBase.prototype._unaryExpressions={neg:{regexp:/^\-/,method:function(t){return-t()}}},t.TimeBase.prototype._syntaxGlue={"(":{regexp:/^\(/},")":{regexp:/^\)/}},t.TimeBase.prototype._tokenize=function(t){function e(t,e){var i,s,n,o,r,a,h=["_binaryExpressions","_unaryExpressions","_primaryExpressions","_syntaxGlue"];for(i=0;i<h.length;i++){s=e[h[i]];for(n in s)if(o=s[n],r=o.regexp,a=t.match(r),null!==a)return{method:o.method,precedence:o.precedence,regexp:o.regexp,value:a[0]}}throw new SyntaxError("Tone.TimeBase: Unexpected token "+t)}for(var i,s=-1,n=[];t.length>0;)t=t.trim(),i=e(t,this),n.push(i),t=t.substr(i.value.length);return{next:function(){return n[++s]},peek:function(){return n[s+1]}}},t.TimeBase.prototype._matchGroup=function(t,e,i){var s,n,o=!1;if(!this.isUndef(t))for(s in e)if(n=e[s],n.regexp.test(t.value)){if(this.isUndef(i))return n;if(n.precedence===i)return n}return o},t.TimeBase.prototype._parseBinary=function(t,e){var i,s;for(this.isUndef(e)&&(e=2),i=0>e?this._parseUnary(t):this._parseBinary(t,e-1),s=t.peek();s&&this._matchGroup(s,this._binaryExpressions,e);)s=t.next(),i=s.method.bind(this,i,this._parseBinary(t,e-1)),s=t.peek();return i},t.TimeBase.prototype._parseUnary=function(t){var e,i=t.peek(),s=this._matchGroup(i,this._unaryExpressions);return s?(i=t.next(),e=this._parseUnary(t),s.method.bind(this,e)):this._parsePrimary(t)},t.TimeBase.prototype._parsePrimary=function(t){var e,i,s=t.peek();if(this.isUndef(s))throw new SyntaxError("Tone.TimeBase: Unexpected end of expression");if(this._matchGroup(s,this._primaryExpressions))return s=t.next(),i=s.value.match(s.regexp),s.method.bind(this,i[1],i[2],i[3]);if(s&&"("===s.value){if(t.next(),e=this._parseBinary(t),s=t.next(),!s||")"!==s.value)throw new SyntaxError("Expected )");return e}throw new SyntaxError("Tone.TimeBase: Cannot process token "+s.value)},t.TimeBase.prototype._parseExprString=function(t){var e=this._tokenize(t),i=this._parseBinary(e);return i},t.TimeBase.prototype._noOp=function(){return 0},t.TimeBase.prototype._defaultExpr=function(){return this._noOp},t.TimeBase.prototype._defaultUnits="s",t.TimeBase.prototype._frequencyToUnits=function(t){return 1/t},t.TimeBase.prototype._beatsToUnits=function(e){return 60/t.Transport.bpm.value*e},t.TimeBase.prototype._secondsToUnits=function(t){return t},t.TimeBase.prototype._ticksToUnits=function(e){return e*(this._beatsToUnits(1)/t.Transport.PPQ)},t.TimeBase.prototype._timeSignature=function(){return t.Transport.timeSignature},t.TimeBase.prototype._pushExpr=function(e,i,s){return e instanceof t.TimeBase||(e=new t.TimeBase(e,s)),this._expr=this._binaryExpressions[i].method.bind(this,this._expr,e._expr),this},t.TimeBase.prototype.add=function(t,e){return this._pushExpr(t,"+",e)},t.TimeBase.prototype.sub=function(t,e){return this._pushExpr(t,"-",e)},t.TimeBase.prototype.mult=function(t,e){return this._pushExpr(t,"*",e)},t.TimeBase.prototype.div=function(t,e){return this._pushExpr(t,"/",e)},t.TimeBase.prototype.eval=function(){return this._expr()},t.TimeBase.prototype.dispose=function(){this._expr=null},t.TimeBase}),e(function(t){return t.Time=function(e,i){return this instanceof t.Time?(this._plusNow=!1,void t.TimeBase.call(this,e,i)):new t.Time(e,i)},t.extend(t.Time,t.TimeBase),t.Time.prototype._unaryExpressions=Object.create(t.TimeBase.prototype._unaryExpressions),t.Time.prototype._unaryExpressions.quantize={regexp:/^@/,method:function(e){return t.Transport.nextSubdivision(e())}},t.Time.prototype._unaryExpressions.now={regexp:/^\+/,method:function(t){return this._plusNow=!0,t()}},t.Time.prototype.quantize=function(t,e){return e=this.defaultArg(e,1),this._expr=function(t,e,i){var s,n,o;return t=t(),e=e.toSeconds(),s=Math.round(t/e),n=s*e,o=n-t,t+o*i}.bind(this,this._expr,new this.constructor(t),e),this},t.Time.prototype.addNow=function(){return this._plusNow=!0,this},t.Time.prototype._defaultExpr=function(){return this._plusNow=!0,this._noOp},t.Time.prototype.toNotation=function(){var t=this.toSeconds(),e=["1m","2n","4n","8n","16n","32n","64n","128n"],i=this._toNotationHelper(t,e),s=["1m","2n","2t","4n","4t","8n","8t","16n","16t","32n","32t","64n","64t","128n"],n=this._toNotationHelper(t,s);return n.split("+").length<i.split("+").length?n:i},t.Time.prototype._toNotationHelper=function(t,e){var i,s,n,o,r=this._notationToUnits(e[e.length-1]),a="";for(i=0;i<e.length;i++)if(s=this._notationToUnits(e[i]),n=t/s,o=1e-6,o>1-n%1&&(n+=o),n=Math.floor(n),n>0){if(a+=1===n?e[i]:n.toString()+"*"+e[i],t-=n*s,r>t)break;a+=" + "}return""===a&&(a="0"),a},t.Time.prototype._notationToUnits=function(t){var e,i,s,n=this._primaryExpressions,o=[n.n,n.t,n.m];for(e=0;e<o.length;e++)if(i=o[e],s=t.match(i.regexp))return i.method.call(this,s[1])},t.Time.prototype.toBarsBeatsSixteenths=function(){var t,e=this._beatsToUnits(1),i=this.toSeconds()/e,s=Math.floor(i/this._timeSignature()),n=i%1*4;return i=Math.floor(i)%this._timeSignature(),n=n.toString(),n.length>3&&(n=parseFloat(n).toFixed(3)),t=[s,i,n],t.join(":")},t.Time.prototype.toTicks=function(){var e=this._beatsToUnits(1),i=this.eval()/e;return Math.floor(i*t.Transport.PPQ)},t.Time.prototype.toSamples=function(){return this.toSeconds()*this.context.sampleRate},t.Time.prototype.toFrequency=function(){return 1/this.eval()},t.Time.prototype.toSeconds=function(){return this._expr()},t.Time.prototype.eval=function(){var t=this._expr();return t+(this._plusNow?this.now():0)},t.Time}),e(function(t){var e,i;return t.Frequency=function(e,i){return this instanceof t.Frequency?void t.TimeBase.call(this,e,i):new t.Frequency(e,i)},t.extend(t.Frequency,t.TimeBase),t.Frequency.prototype._primaryExpressions=Object.create(t.TimeBase.prototype._primaryExpressions),t.Frequency.prototype._primaryExpressions.midi={regexp:/^(\d+(?:\.\d+)?midi)/,method:function(t){return this.midiToFrequency(t)}},t.Frequency.prototype._primaryExpressions.note={regexp:/^([a-g]{1}(?:b|#|x|bb)?)(-?[0-9]+)/i,method:function(t,i){var s=e[t.toLowerCase()],n=s+12*(parseInt(i)+1);return this.midiToFrequency(n)}},t.Frequency.prototype._primaryExpressions.tr={regexp:/^(\d+(?:\.\d+)?):(\d+(?:\.\d+)?):?(\d+(?:\.\d+)?)?/,method:function(t,e,i){var s=1;return t&&"0"!==t&&(s*=this._beatsToUnits(this._timeSignature()*parseFloat(t))),e&&"0"!==e&&(s*=this._beatsToUnits(parseFloat(e))),i&&"0"!==i&&(s*=this._beatsToUnits(parseFloat(i)/4)),s}},t.Frequency.prototype.transpose=function(t){return this._expr=function(t,e){var i=t();return i*this.intervalToFrequencyRatio(e)}.bind(this,this._expr,t),this},t.Frequency.prototype.harmonize=function(t){return this._expr=function(t,e){var i,s=t(),n=[];for(i=0;i<e.length;i++)n[i]=s*this.intervalToFrequencyRatio(e[i]);return n}.bind(this,this._expr,t),this},t.Frequency.prototype.toMidi=function(){return this.frequencyToMidi(this.eval())},t.Frequency.prototype.toNote=function(){var e,s=this.eval(),n=Math.log(s/t.Frequency.A4)/Math.LN2,o=Math.round(12*n)+57,r=Math.floor(o/12);return 0>r&&(o+=-12*r),e=i[o%12],e+r.toString()},t.Frequency.prototype.toSeconds=function(){return 1/this.eval()},t.Frequency.prototype.toTicks=function(){var e=this._beatsToUnits(1),i=this.eval()/e;return Math.floor(i*t.Transport.PPQ)},t.Frequency.prototype._frequencyToUnits=function(t){return t},t.Frequency.prototype._ticksToUnits=function(e){return 1/(60*e/(t.Transport.bpm.value*t.Transport.PPQ))},t.Frequency.prototype._beatsToUnits=function(e){return 1/t.TimeBase.prototype._beatsToUnits.call(this,e)},t.Frequency.prototype._secondsToUnits=function(t){return 1/t},t.Frequency.prototype._defaultUnits="hz",e={cbb:-2,cb:-1,c:0,"c#":1,cx:2,dbb:0,db:1,d:2,"d#":3,dx:4,ebb:2,eb:3,e:4,"e#":5,ex:6,fbb:3,fb:4,f:5,"f#":6,fx:7,gbb:5,gb:6,g:7,"g#":8,gx:9,abb:7,ab:8,a:9,"a#":10,ax:11,bbb:9,bb:10,b:11,"b#":12,bx:13},i=["C","C#","D","D#","E","F","F#","G","G#","A","A#","B"],t.Frequency.A4=440,t.Frequency.prototype.midiToFrequency=function(e){return t.Frequency.A4*Math.pow(2,(e-69)/12)},t.Frequency.prototype.frequencyToMidi=function(e){return 69+12*Math.log(e/t.Frequency.A4)/Math.LN2},t.Frequency}),e(function(t){return t.TransportTime=function(e,i){return this instanceof t.TransportTime?void t.Time.call(this,e,i):new t.TransportTime(e,i)},t.extend(t.TransportTime,t.Time),t.TransportTime.prototype._unaryExpressions=Object.create(t.Time.prototype._unaryExpressions),t.TransportTime.prototype._unaryExpressions.quantize={regexp:/^@/,method:function(e){var i=this._secondsToTicks(e()),s=Math.ceil(t.Transport.ticks/i);return this._ticksToUnits(s*i)}},t.TransportTime.prototype._secondsToTicks=function(e){var i=this._beatsToUnits(1),s=e/i;return Math.round(s*t.Transport.PPQ)},t.TransportTime.prototype.eval=function(){var e=this._secondsToTicks(this._expr());return e+(this._plusNow?t.Transport.ticks:0)},t.TransportTime.prototype.toTicks=function(){return this.eval()},t.TransportTime.prototype.toFrequency=function(){return 1/this.toSeconds()},t.TransportTime}),e(function(t){return t.Type={Default:"number",Time:"time",Frequency:"frequency",TransportTime:"transportTime",Ticks:"ticks",NormalRange:"normalRange",AudioRange:"audioRange",Decibels:"db",Interval:"interval",BPM:"bpm",Positive:"positive",Cents:"cents",Degrees:"degrees",MIDI:"midi",BarsBeatsSixteenths:"barsBeatsSixteenths",Samples:"samples",Hertz:"hertz",Note:"note",Milliseconds:"milliseconds",Seconds:"seconds",Notation:"notation"},t.prototype.toSeconds=function(e){return this.isNumber(e)?e:this.isString(e)||this.isUndef(e)?new t.Time(e).eval():e instanceof t.TransportTime?e.toSeconds():e instanceof t.Time?e.eval():e instanceof t.Frequency?e.toSeconds():void 0},t.prototype.toFrequency=function(e){return this.isNumber(e)?e:this.isString(e)||this.isUndef(e)?new t.Frequency(e).eval():e instanceof t.Frequency?e.eval():e instanceof t.Time?e.toFrequency():void 0},t.prototype.toTicks=function(e){return this.isNumber(e)||this.isString(e)||this.isUndef(e)?new t.TransportTime(e).eval():e instanceof t.Frequency?e.toTicks():e instanceof t.TransportTime?e.eval():e instanceof t.Time?e.toTicks():void 0},t}),e(function(t){return t.Param=function(){var e=this.optionsObject(arguments,["param","units","convert"],t.Param.defaults);this._param=this.input=e.param,this.units=e.units,this.convert=e.convert,this.overridden=!1,this.isUndef(e.value)||(this.value=e.value)},t.extend(t.Param),t.Param.defaults={units:t.Type.Default,convert:!0,param:void 0},Object.defineProperty(t.Param.prototype,"value",{get:function(){return this._toUnits(this._param.value)},set:function(t){var e=this._fromUnits(t);this._param.cancelScheduledValues(0),this._param.value=e}}),t.Param.prototype._fromUnits=function(e){if(!this.convert&&!this.isUndef(this.convert))return e;switch(this.units){case t.Type.Time:return this.toSeconds(e);case t.Type.Frequency:return this.toFrequency(e);case t.Type.Decibels:return this.dbToGain(e);case t.Type.NormalRange:return Math.min(Math.max(e,0),1);case t.Type.AudioRange:return Math.min(Math.max(e,-1),1);case t.Type.Positive:return Math.max(e,0);default:return e}},t.Param.prototype._toUnits=function(e){if(!this.convert&&!this.isUndef(this.convert))return e;switch(this.units){case t.Type.Decibels:return this.gainToDb(e);default:return e}},t.Param.prototype._minOutput=1e-5,t.Param.prototype.setValueAtTime=function(t,e){return t=this._fromUnits(t),this._param.setValueAtTime(t,this.toSeconds(e)),this},t.Param.prototype.setRampPoint=function(t){t=this.defaultArg(t,this.now());var e=this._param.value;return 0===e&&(e=this._minOutput),this._param.setValueAtTime(e,t),this},t.Param.prototype.linearRampToValueAtTime=function(t,e){return t=this._fromUnits(t),this._param.linearRampToValueAtTime(t,this.toSeconds(e)),this},t.Param.prototype.exponentialRampToValueAtTime=function(t,e){return t=this._fromUnits(t),t=Math.max(this._minOutput,t),this._param.exponentialRampToValueAtTime(t,this.toSeconds(e)),this},t.Param.prototype.exponentialRampToValue=function(t,e,i){return i=this.toSeconds(i),this.setRampPoint(i),this.exponentialRampToValueAtTime(t,i+this.toSeconds(e)),this},t.Param.prototype.linearRampToValue=function(t,e,i){return i=this.toSeconds(i),this.setRampPoint(i),this.linearRampToValueAtTime(t,i+this.toSeconds(e)),this},t.Param.prototype.setTargetAtTime=function(t,e,i){return t=this._fromUnits(t),t=Math.max(this._minOutput,t),i=Math.max(this._minOutput,i),this._param.setTargetAtTime(t,this.toSeconds(e),i),this},t.Param.prototype.setValueCurveAtTime=function(t,e,i){for(var s=0;s<t.length;s++)t[s]=this._fromUnits(t[s]);return this._param.setValueCurveAtTime(t,this.toSeconds(e),this.toSeconds(i)),this},t.Param.prototype.cancelScheduledValues=function(t){return this._param.cancelScheduledValues(this.toSeconds(t)),this},t.Param.prototype.rampTo=function(e,i,s){return i=this.defaultArg(i,0),this.units===t.Type.Frequency||this.units===t.Type.BPM||this.units===t.Type.Decibels?this.exponentialRampToValue(e,i,s):this.linearRampToValue(e,i,s),this},t.Param.prototype.dispose=function(){return t.prototype.dispose.call(this),this._param=null,this},t.Param}),e(function(t){return t.Gain=function(){var e=this.optionsObject(arguments,["gain","units"],t.Gain.defaults);this.input=this.output=this._gainNode=this.context.createGain(),this.gain=new t.Param({param:this._gainNode.gain,units:e.units,value:e.gain,convert:e.convert}),this._readOnly("gain")},t.extend(t.Gain),t.Gain.defaults={gain:1,convert:!0},t.Gain.prototype.dispose=function(){t.Param.prototype.dispose.call(this),this._gainNode.disconnect(),this._gainNode=null,this._writable("gain"),this.gain.dispose(),this.gain=null},t.Gain}),e(function(t){return t.Signal=function(){var e=this.optionsObject(arguments,["value","units"],t.Signal.defaults);this.output=this._gain=this.context.createGain(),e.param=this._gain.gain,t.Param.call(this,e),this.input=this._param=this._gain.gain,t.Signal._constant.chain(this._gain)},t.extend(t.Signal,t.Param),t.Signal.defaults={value:0,units:t.Type.Default,convert:!0},t.Signal.prototype.connect=t.SignalBase.prototype.connect,t.Signal.prototype.dispose=function(){return t.Param.prototype.dispose.call(this),this._param=null,this._gain.disconnect(),this._gain=null,this},t.Signal._constant=null,t._initAudioContext(function(e){var i,s=e.createBuffer(1,128,e.sampleRate),n=s.getChannelData(0);for(i=0;i<n.length;i++)n[i]=1;t.Signal._constant=e.createBufferSource(),t.Signal._constant.channelCount=1,t.Signal._constant.channelCountMode="explicit",t.Signal._constant.buffer=s,t.Signal._constant.loop=!0,t.Signal._constant.start(0),t.Signal._constant.noGC()}),t.Signal}),e(function(t){return t.Timeline=function(){var e=this.optionsObject(arguments,["memory"],t.Timeline.defaults);this._timeline=[],this._toRemove=[],this._iterating=!1,this.memory=e.memory},t.extend(t.Timeline),t.Timeline.defaults={memory:1/0},Object.defineProperty(t.Timeline.prototype,"length",{get:function(){return this._timeline.length}}),t.Timeline.prototype.addEvent=function(t){var e,i;if(this.isUndef(t.time))throw new Error("Tone.Timeline: events must have a time attribute");return t.time=this.toSeconds(t.time),this._timeline.length?(e=this._search(t.time),this._timeline.splice(e+1,0,t)):this._timeline.push(t),this.length>this.memory&&(i=this.length-this.memory,this._timeline.splice(0,i)),this},t.Timeline.prototype.removeEvent=function(t){if(this._iterating)this._toRemove.push(t);else{var e=this._timeline.indexOf(t);-1!==e&&this._timeline.splice(e,1)}return this},t.Timeline.prototype.getEvent=function(t){t=this.toSeconds(t);var e=this._search(t);return-1!==e?this._timeline[e]:null},t.Timeline.prototype.getEventAfter=function(t){t=this.toSeconds(t);var e=this._search(t);return e+1<this._timeline.length?this._timeline[e+1]:null},t.Timeline.prototype.getEventBefore=function(t){var e,i;return t=this.toSeconds(t),e=this._timeline.length,e>0&&this._timeline[e-1].time<t?this._timeline[e-1]:(i=this._search(t),i-1>=0?this._timeline[i-1]:null)},t.Timeline.prototype.cancel=function(t){var e,i;if(this._timeline.length>1)if(t=this.toSeconds(t),e=this._search(t),e>=0)if(this._timeline[e].time===t){for(i=e;i>=0&&this._timeline[i].time===t;i--)e=i;this._timeline=this._timeline.slice(0,e)}else this._timeline=this._timeline.slice(0,e+1);else this._timeline=[];else 1===this._timeline.length&&this._timeline[0].time>=t&&(this._timeline=[]);return this},t.Timeline.prototype.cancelBefore=function(t){if(this._timeline.length){t=this.toSeconds(t);var e=this._search(t);e>=0&&(this._timeline=this._timeline.slice(e+1))}return this},t.Timeline.prototype._search=function(t){var e,i,s,n,o,r=0,a=this._timeline.length,h=a;if(a>0&&this._timeline[a-1].time<=t)return a-1;for(;h>r;){if(e=Math.floor(r+(h-r)/2),i=this._timeline[e],s=this._timeline[e+1],i.time===t){for(n=e;n<this._timeline.length;n++)o=this._timeline[n],o.time===t&&(e=n);return e}if(i.time<t&&s.time>t)return e;i.time>t?h=e:i.time<t&&(r=e+1)}return-1},t.Timeline.prototype._iterate=function(t,e,i){var s,n,o;for(this._iterating=!0,e=this.defaultArg(e,0),i=this.defaultArg(i,this._timeline.length-1),s=e;i>=s;s++)t(this._timeline[s]);if(this._iterating=!1,this._toRemove.length>0){for(n=0;n<this._toRemove.length;n++)o=this._timeline.indexOf(this._toRemove[n]),-1!==o&&this._timeline.splice(o,1);this._toRemove=[]}},t.Timeline.prototype.forEach=function(t){return this._iterate(t),this},t.Timeline.prototype.forEachBefore=function(t,e){t=this.toSeconds(t);var i=this._search(t);return-1!==i&&this._iterate(e,0,i),this},t.Timeline.prototype.forEachAfter=function(t,e){t=this.toSeconds(t);var i=this._search(t);return this._iterate(e,i+1),this},t.Timeline.prototype.forEachFrom=function(t,e){t=this.toSeconds(t);for(var i=this._search(t);i>=0&&this._timeline[i].time>=t;)i--;return this._iterate(e,i+1),this},t.Timeline.prototype.forEachAtTime=function(t,e){t=this.toSeconds(t);var i=this._search(t);return-1!==i&&this._iterate(function(i){i.time===t&&e(i)},0,i),this},t.Timeline.prototype.dispose=function(){t.prototype.dispose.call(this),this._timeline=null,this._toRemove=null},t.Timeline}),e(function(t){return t.TimelineSignal=function(){var e=this.optionsObject(arguments,["value","units"],t.Signal.defaults);this._events=new t.Timeline(10),t.Signal.apply(this,e),e.param=this._param,t.Param.call(this,e),this._initial=this._fromUnits(this._param.value)},t.extend(t.TimelineSignal,t.Param),t.TimelineSignal.Type={Linear:"linear",Exponential:"exponential",Target:"target",Curve:"curve",Set:"set"},Object.defineProperty(t.TimelineSignal.prototype,"value",{get:function(){var t=this.now(),e=this.getValueAtTime(t);return this._toUnits(e)},set:function(t){var e=this._fromUnits(t);this._initial=e,this.cancelScheduledValues(),this._param.value=e}}),t.TimelineSignal.prototype.setValueAtTime=function(e,i){return e=this._fromUnits(e),i=this.toSeconds(i),this._events.addEvent({type:t.TimelineSignal.Type.Set,value:e,time:i}),this._param.setValueAtTime(e,i),this},t.TimelineSignal.prototype.linearRampToValueAtTime=function(e,i){return e=this._fromUnits(e),i=this.toSeconds(i),this._events.addEvent({type:t.TimelineSignal.Type.Linear,value:e,time:i}),this._param.linearRampToValueAtTime(e,i),this},t.TimelineSignal.prototype.exponentialRampToValueAtTime=function(e,i){var s,n=this._searchBefore(i);return n&&0===n.value&&this.setValueAtTime(this._minOutput,n.time),e=this._fromUnits(e),s=Math.max(e,this._minOutput),i=this.toSeconds(i),this._events.addEvent({type:t.TimelineSignal.Type.Exponential,value:s,time:i}),e<this._minOutput?(this._param.exponentialRampToValueAtTime(this._minOutput,i-this.sampleTime),this.setValueAtTime(0,i)):this._param.exponentialRampToValueAtTime(e,i),this},t.TimelineSignal.prototype.setTargetAtTime=function(e,i,s){return e=this._fromUnits(e),e=Math.max(this._minOutput,e),s=Math.max(this._minOutput,s),i=this.toSeconds(i),this._events.addEvent({type:t.TimelineSignal.Type.Target,value:e,time:i,constant:s}),this._param.setTargetAtTime(e,i,s),this},t.TimelineSignal.prototype.setValueCurveAtTime=function(e,i,s,n){var o,r,a,h;for(n=this.defaultArg(n,1),o=new Array(e.length),r=0;r<o.length;r++)o[r]=this._fromUnits(e[r])*n;for(i=this.toSeconds(i),s=this.toSeconds(s),this._events.addEvent({type:t.TimelineSignal.Type.Curve,value:o,time:i,duration:s}),this._param.setValueAtTime(o[0],i),a=1;a<o.length;a++)h=i+a/(o.length-1)*s,this._param.linearRampToValueAtTime(o[a],h);return this},t.TimelineSignal.prototype.cancelScheduledValues=function(t){return this._events.cancel(t),this._param.cancelScheduledValues(this.toSeconds(t)),this},t.TimelineSignal.prototype.setRampPoint=function(e){var i,s,n;return e=this.toSeconds(e),i=this._toUnits(this.getValueAtTime(e)),s=this._searchBefore(e),s&&s.time===e?this.cancelScheduledValues(e+this.sampleTime):s&&s.type===t.TimelineSignal.Type.Curve&&s.time+s.duration>e?(this.cancelScheduledValues(e),this.linearRampToValueAtTime(i,e)):(n=this._searchAfter(e),n&&(this.cancelScheduledValues(e),n.type===t.TimelineSignal.Type.Linear?this.linearRampToValueAtTime(i,e):n.type===t.TimelineSignal.Type.Exponential&&this.exponentialRampToValueAtTime(i,e)),this.setValueAtTime(i,e)),this},t.TimelineSignal.prototype.linearRampToValueBetween=function(t,e,i){return this.setRampPoint(e),this.linearRampToValueAtTime(t,i),this},t.TimelineSignal.prototype.exponentialRampToValueBetween=function(t,e,i){return this.setRampPoint(e),this.exponentialRampToValueAtTime(t,i),this},t.TimelineSignal.prototype._searchBefore=function(t){return this._events.getEvent(t)},t.TimelineSignal.prototype._searchAfter=function(t){return this._events.getEventAfter(t)},t.TimelineSignal.prototype.getValueAtTime=function(e){var i,s,n=this._searchAfter(e),o=this._searchBefore(e),r=this._initial;return null===o?r=this._initial:o.type===t.TimelineSignal.Type.Target?(i=this._events.getEventBefore(o.time),
+s=null===i?this._initial:i.value,r=this._exponentialApproach(o.time,s,o.value,o.constant,e)):r=o.type===t.TimelineSignal.Type.Curve?this._curveInterpolate(o.time,o.value,o.duration,e):null===n?o.value:n.type===t.TimelineSignal.Type.Linear?this._linearInterpolate(o.time,o.value,n.time,n.value,e):n.type===t.TimelineSignal.Type.Exponential?this._exponentialInterpolate(o.time,o.value,n.time,n.value,e):o.value,r},t.TimelineSignal.prototype.connect=t.SignalBase.prototype.connect,t.TimelineSignal.prototype._exponentialApproach=function(t,e,i,s,n){return i+(e-i)*Math.exp(-(n-t)/s)},t.TimelineSignal.prototype._linearInterpolate=function(t,e,i,s,n){return e+(s-e)*((n-t)/(i-t))},t.TimelineSignal.prototype._exponentialInterpolate=function(t,e,i,s,n){return e=Math.max(this._minOutput,e),e*Math.pow(s/e,(n-t)/(i-t))},t.TimelineSignal.prototype._curveInterpolate=function(t,e,i,s){var n,o,r,a,h,l=e.length;return s>=t+i?e[l-1]:t>=s?e[0]:(n=(s-t)/i,o=Math.floor((l-1)*n),r=Math.ceil((l-1)*n),a=e[o],h=e[r],r===o?a:this._linearInterpolate(o,a,r,h,n*(l-1)))},t.TimelineSignal.prototype.dispose=function(){t.Signal.prototype.dispose.call(this),t.Param.prototype.dispose.call(this),this._events.dispose(),this._events=null},t.TimelineSignal}),e(function(t){return t.Pow=function(e){this._exp=this.defaultArg(e,1),this._expScaler=this.input=this.output=new t.WaveShaper(this._expFunc(this._exp),8192)},t.extend(t.Pow,t.SignalBase),Object.defineProperty(t.Pow.prototype,"value",{get:function(){return this._exp},set:function(t){this._exp=t,this._expScaler.setMap(this._expFunc(this._exp))}}),t.Pow.prototype._expFunc=function(t){return function(e){return Math.pow(Math.abs(e),t)}},t.Pow.prototype.dispose=function(){return t.prototype.dispose.call(this),this._expScaler.dispose(),this._expScaler=null,this},t.Pow}),e(function(t){return t.Envelope=function(){var e=this.optionsObject(arguments,["attack","decay","sustain","release"],t.Envelope.defaults);this.attack=e.attack,this.decay=e.decay,this.sustain=e.sustain,this.release=e.release,this._attackCurve="linear",this._releaseCurve="exponential",this._sig=this.output=new t.TimelineSignal,this._sig.setValueAtTime(0,0),this.attackCurve=e.attackCurve,this.releaseCurve=e.releaseCurve},t.extend(t.Envelope),t.Envelope.defaults={attack:.01,decay:.1,sustain:.5,release:1,attackCurve:"linear",releaseCurve:"exponential"},Object.defineProperty(t.Envelope.prototype,"value",{get:function(){return this.getValueAtTime(this.now())}}),Object.defineProperty(t.Envelope.prototype,"attackCurve",{get:function(){if(this.isString(this._attackCurve))return this._attackCurve;if(this.isArray(this._attackCurve)){for(var e in t.Envelope.Type)if(t.Envelope.Type[e].In===this._attackCurve)return e;return this._attackCurve}},set:function(e){if(t.Envelope.Type.hasOwnProperty(e)){var i=t.Envelope.Type[e];this._attackCurve=this.isObject(i)?i.In:i}else{if(!this.isArray(e))throw new Error("Tone.Envelope: invalid curve: "+e);this._attackCurve=e}}}),Object.defineProperty(t.Envelope.prototype,"releaseCurve",{get:function(){if(this.isString(this._releaseCurve))return this._releaseCurve;if(this.isArray(this._releaseCurve)){for(var e in t.Envelope.Type)if(t.Envelope.Type[e].Out===this._releaseCurve)return e;return this._releaseCurve}},set:function(e){if(t.Envelope.Type.hasOwnProperty(e)){var i=t.Envelope.Type[e];this._releaseCurve=this.isObject(i)?i.Out:i}else{if(!this.isArray(e))throw new Error("Tone.Envelope: invalid curve: "+e);this._releaseCurve=e}}}),t.Envelope.prototype.triggerAttack=function(t,e){var i,s,n,o,r,a,h,l,u,c=this.now()+this.blockTime;return t=this.toSeconds(t,c),i=this.toSeconds(this.attack),s=i,n=this.toSeconds(this.decay),e=this.defaultArg(e,1),o=this.getValueAtTime(t),o>0&&(r=1/s,a=1-o,s=a/r),"linear"===this._attackCurve?this._sig.linearRampToValue(e,s,t):"exponential"===this._attackCurve?this._sig.exponentialRampToValue(e,s,t):s>0&&(this._sig.setRampPoint(t),h=this._attackCurve,i>s&&(l=1-s/i,u=Math.floor(l*this._attackCurve.length),h=this._attackCurve.slice(u),h[0]=o),this._sig.setValueCurveAtTime(h,t,s,e)),this._sig.exponentialRampToValue(e*this.sustain,n,s+t),this},t.Envelope.prototype.triggerRelease=function(t){var e,i,s,n=this.now()+this.blockTime;return t=this.toSeconds(t,n),e=this.getValueAtTime(t),e>0&&(i=this.toSeconds(this.release),"linear"===this._releaseCurve?this._sig.linearRampToValue(0,i,t):"exponential"===this._releaseCurve?this._sig.exponentialRampToValue(0,i,t):(s=this._releaseCurve,this.isArray(s)&&(this._sig.setRampPoint(t),this._sig.setValueCurveAtTime(s,t,i,e)))),this},t.Envelope.prototype.getValueAtTime=function(t){return this._sig.getValueAtTime(t)},t.Envelope.prototype.triggerAttackRelease=function(t,e,i){return e=this.toSeconds(e),this.triggerAttack(e,i),this.triggerRelease(e+this.toSeconds(t)),this},t.Envelope.prototype.cancel=function(t){return this._sig.cancelScheduledValues(t),this},t.Envelope.prototype.connect=t.Signal.prototype.connect,function(){function e(t){var e,i=new Array(t.length);for(e=0;e<t.length;e++)i[e]=1-t[e];return i}function i(t){return t.slice(0).reverse()}var s,n,o,r,a,h,l,u,c,p,f,d=128,_=[];for(s=0;d>s;s++)_[s]=Math.sin(s/(d-1)*(Math.PI/2));for(o=[],r=6.4,s=0;d-1>s;s++)n=s/(d-1),a=Math.sin(2*n*Math.PI*r-Math.PI/2)+1,o[s]=a/10+.83*n;for(o[d-1]=1,h=[],l=5,s=0;d>s;s++)h[s]=Math.ceil(s/(d-1)*l)/l;for(u=[],s=0;d>s;s++)n=s/(d-1),u[s]=.5*(1-Math.cos(Math.PI*n));for(c=[],s=0;d>s;s++)n=s/(d-1),p=4*Math.pow(n,3)+.2,f=Math.cos(p*Math.PI*2*n),c[s]=Math.abs(f*(1-n));t.Envelope.Type={linear:"linear",exponential:"exponential",bounce:{In:e(c),Out:c},cosine:{In:_,Out:i(_)},step:{In:h,Out:e(h)},ripple:{In:o,Out:e(o)},sine:{In:u,Out:e(u)}}}(),t.Envelope.prototype.dispose=function(){return t.prototype.dispose.call(this),this._sig.dispose(),this._sig=null,this._attackCurve=null,this._releaseCurve=null,this},t.Envelope}),e(function(t){return t.AmplitudeEnvelope=function(){t.Envelope.apply(this,arguments),this.input=this.output=new t.Gain,this._sig.connect(this.output.gain)},t.extend(t.AmplitudeEnvelope,t.Envelope),t.AmplitudeEnvelope.prototype.dispose=function(){return this.input.dispose(),this.input=null,t.Envelope.prototype.dispose.call(this),this},t.AmplitudeEnvelope}),e(function(t){return t.Analyser=function(){var e=this.optionsObject(arguments,["type","size"],t.Analyser.defaults);this._analyser=this.input=this.output=this.context.createAnalyser(),this._type=e.type,this._returnType=e.returnType,this._buffer=null,this.size=e.size,this.type=e.type,this.returnType=e.returnType,this.minDecibels=e.minDecibels,this.maxDecibels=e.maxDecibels},t.extend(t.Analyser),t.Analyser.defaults={size:1024,returnType:"byte",type:"fft",smoothing:.8,maxDecibels:-30,minDecibels:-100},t.Analyser.Type={Waveform:"waveform",FFT:"fft"},t.Analyser.ReturnType={Byte:"byte",Float:"float"},t.Analyser.prototype.analyse=function(){var e,i;if(this._type===t.Analyser.Type.FFT)this._returnType===t.Analyser.ReturnType.Byte?this._analyser.getByteFrequencyData(this._buffer):this._analyser.getFloatFrequencyData(this._buffer);else if(this._type===t.Analyser.Type.Waveform)if(this._returnType===t.Analyser.ReturnType.Byte)this._analyser.getByteTimeDomainData(this._buffer);else if(this.isFunction(AnalyserNode.prototype.getFloatTimeDomainData))this._analyser.getFloatTimeDomainData(this._buffer);else for(e=new Uint8Array(this._buffer.length),this._analyser.getByteTimeDomainData(e),i=0;i<e.length;i++)this._buffer[i]=.0078125*(e[i]-128);return this._buffer},Object.defineProperty(t.Analyser.prototype,"size",{get:function(){return this._analyser.frequencyBinCount},set:function(t){this._analyser.fftSize=2*t,this.type=this._type}}),Object.defineProperty(t.Analyser.prototype,"returnType",{get:function(){return this._returnType},set:function(e){if(e===t.Analyser.ReturnType.Byte)this._buffer=new Uint8Array(this._analyser.frequencyBinCount);else{if(e!==t.Analyser.ReturnType.Float)throw new TypeError("Tone.Analayser: invalid return type: "+e);this._buffer=new Float32Array(this._analyser.frequencyBinCount)}this._returnType=e}}),Object.defineProperty(t.Analyser.prototype,"type",{get:function(){return this._type},set:function(e){if(e!==t.Analyser.Type.Waveform&&e!==t.Analyser.Type.FFT)throw new TypeError("Tone.Analyser: invalid type: "+e);this._type=e}}),Object.defineProperty(t.Analyser.prototype,"smoothing",{get:function(){return this._analyser.smoothingTimeConstant},set:function(t){this._analyser.smoothingTimeConstant=t}}),Object.defineProperty(t.Analyser.prototype,"minDecibels",{get:function(){return this._analyser.minDecibels},set:function(t){this._analyser.minDecibels=t}}),Object.defineProperty(t.Analyser.prototype,"maxDecibels",{get:function(){return this._analyser.maxDecibels},set:function(t){this._analyser.maxDecibels=t}}),t.Analyser.prototype.dispose=function(){t.prototype.dispose.call(this),this._analyser.disconnect(),this._analyser=null,this._buffer=null},t.Analyser}),e(function(t){return t.Compressor=function(){var e=this.optionsObject(arguments,["threshold","ratio"],t.Compressor.defaults);this._compressor=this.input=this.output=this.context.createDynamicsCompressor(),this.threshold=this._compressor.threshold,this.attack=new t.Param(this._compressor.attack,t.Type.Time),this.release=new t.Param(this._compressor.release,t.Type.Time),this.knee=this._compressor.knee,this.ratio=this._compressor.ratio,this._readOnly(["knee","release","attack","ratio","threshold"]),this.set(e)},t.extend(t.Compressor),t.Compressor.defaults={ratio:12,threshold:-24,release:.25,attack:.003,knee:30},t.Compressor.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["knee","release","attack","ratio","threshold"]),this._compressor.disconnect(),this._compressor=null,this.attack.dispose(),this.attack=null,this.release.dispose(),this.release=null,this.threshold=null,this.ratio=null,this.knee=null,this},t.Compressor}),e(function(t){return t.Add=function(e){t.call(this,2,0),this._sum=this.input[0]=this.input[1]=this.output=this.context.createGain(),this._param=this.input[1]=new t.Signal(e),this._param.connect(this._sum)},t.extend(t.Add,t.Signal),t.Add.prototype.dispose=function(){return t.prototype.dispose.call(this),this._sum.disconnect(),this._sum=null,this._param.dispose(),this._param=null,this},t.Add}),e(function(t){return t.Multiply=function(e){t.call(this,2,0),this._mult=this.input[0]=this.output=this.context.createGain(),this._param=this.input[1]=this.output.gain,this._param.value=this.defaultArg(e,0)},t.extend(t.Multiply,t.Signal),t.Multiply.prototype.dispose=function(){return t.prototype.dispose.call(this),this._mult.disconnect(),this._mult=null,this._param=null,this},t.Multiply}),e(function(t){return t.Negate=function(){this._multiply=this.input=this.output=new t.Multiply(-1)},t.extend(t.Negate,t.SignalBase),t.Negate.prototype.dispose=function(){return t.prototype.dispose.call(this),this._multiply.dispose(),this._multiply=null,this},t.Negate}),e(function(t){return t.Subtract=function(e){t.call(this,2,0),this._sum=this.input[0]=this.output=this.context.createGain(),this._neg=new t.Negate,this._param=this.input[1]=new t.Signal(e),this._param.chain(this._neg,this._sum)},t.extend(t.Subtract,t.Signal),t.Subtract.prototype.dispose=function(){return t.prototype.dispose.call(this),this._neg.dispose(),this._neg=null,this._sum.disconnect(),this._sum=null,this._param.dispose(),this._param=null,this},t.Subtract}),e(function(t){return t.GreaterThanZero=function(){this._thresh=this.output=new t.WaveShaper(function(t){return 0>=t?0:1},127),this._scale=this.input=new t.Multiply(1e4),this._scale.connect(this._thresh)},t.extend(t.GreaterThanZero,t.SignalBase),t.GreaterThanZero.prototype.dispose=function(){return t.prototype.dispose.call(this),this._scale.dispose(),this._scale=null,this._thresh.dispose(),this._thresh=null,this},t.GreaterThanZero}),e(function(t){return t.GreaterThan=function(e){t.call(this,2,0),this._param=this.input[0]=new t.Subtract(e),this.input[1]=this._param.input[1],this._gtz=this.output=new t.GreaterThanZero,this._param.connect(this._gtz)},t.extend(t.GreaterThan,t.Signal),t.GreaterThan.prototype.dispose=function(){return t.prototype.dispose.call(this),this._param.dispose(),this._param=null,this._gtz.dispose(),this._gtz=null,this},t.GreaterThan}),e(function(t){return t.Abs=function(){t.call(this,1,0),this._abs=this.input=this.output=new t.WaveShaper(function(t){return 0===t?0:Math.abs(t)},127)},t.extend(t.Abs,t.SignalBase),t.Abs.prototype.dispose=function(){return t.prototype.dispose.call(this),this._abs.dispose(),this._abs=null,this},t.Abs}),e(function(t){return t.Modulo=function(e){t.call(this,1,1),this._shaper=new t.WaveShaper(Math.pow(2,16)),this._multiply=new t.Multiply,this._subtract=this.output=new t.Subtract,this._modSignal=new t.Signal(e),this.input.fan(this._shaper,this._subtract),this._modSignal.connect(this._multiply,0,0),this._shaper.connect(this._multiply,0,1),this._multiply.connect(this._subtract,0,1),this._setWaveShaper(e)},t.extend(t.Modulo,t.SignalBase),t.Modulo.prototype._setWaveShaper=function(t){this._shaper.setMap(function(e){var i=Math.floor((e+1e-4)/t);return i})},Object.defineProperty(t.Modulo.prototype,"value",{get:function(){return this._modSignal.value},set:function(t){this._modSignal.value=t,this._setWaveShaper(t)}}),t.Modulo.prototype.dispose=function(){return t.prototype.dispose.call(this),this._shaper.dispose(),this._shaper=null,this._multiply.dispose(),this._multiply=null,this._subtract.dispose(),this._subtract=null,this._modSignal.dispose(),this._modSignal=null,this},t.Modulo}),e(function(t){return t.AudioToGain=function(){this._norm=this.input=this.output=new t.WaveShaper(function(t){return(t+1)/2})},t.extend(t.AudioToGain,t.SignalBase),t.AudioToGain.prototype.dispose=function(){return t.prototype.dispose.call(this),this._norm.dispose(),this._norm=null,this},t.AudioToGain}),e(function(t){function e(t,e,i){var s=new t;return i._eval(e[0]).connect(s,0,0),i._eval(e[1]).connect(s,0,1),s}function i(t,e,i){var s=new t;return i._eval(e[0]).connect(s,0,0),s}function s(t){return t?parseFloat(t):void 0}function n(t){return t&&t.args?parseFloat(t.args):void 0}return t.Expr=function(){var t,e,i,s=this._replacements(Array.prototype.slice.call(arguments)),n=this._parseInputs(s);for(this._nodes=[],this.input=new Array(n),t=0;n>t;t++)this.input[t]=this.context.createGain();e=this._parseTree(s);try{i=this._eval(e)}catch(o){throw this._disposeNodes(),new Error("Tone.Expr: Could evaluate expression: "+s)}this.output=i},t.extend(t.Expr,t.SignalBase),t.Expr._Expressions={value:{signal:{regexp:/^\d+\.\d+|^\d+/,method:function(e){var i=new t.Signal(s(e));return i}},input:{regexp:/^\$\d/,method:function(t,e){return e.input[s(t.substr(1))]}}},glue:{"(":{regexp:/^\(/},")":{regexp:/^\)/},",":{regexp:/^,/}},func:{abs:{regexp:/^abs/,method:i.bind(this,t.Abs)},mod:{regexp:/^mod/,method:function(e,i){var s=n(e[1]),o=new t.Modulo(s);return i._eval(e[0]).connect(o),o}},pow:{regexp:/^pow/,method:function(e,i){var s=n(e[1]),o=new t.Pow(s);return i._eval(e[0]).connect(o),o}},a2g:{regexp:/^a2g/,method:function(e,i){var s=new t.AudioToGain;return i._eval(e[0]).connect(s),s}}},binary:{"+":{regexp:/^\+/,precedence:1,method:e.bind(this,t.Add)},"-":{regexp:/^\-/,precedence:1,method:function(s,n){return 1===s.length?i(t.Negate,s,n):e(t.Subtract,s,n)}},"*":{regexp:/^\*/,precedence:0,method:e.bind(this,t.Multiply)}},unary:{"-":{regexp:/^\-/,method:i.bind(this,t.Negate)},"!":{regexp:/^\!/,method:i.bind(this,t.NOT)}}},t.Expr.prototype._parseInputs=function(t){var e,i,s=t.match(/\$\d/g),n=0;if(null!==s)for(e=0;e<s.length;e++)i=parseInt(s[e].substr(1))+1,n=Math.max(n,i);return n},t.Expr.prototype._replacements=function(t){var e,i=t.shift();for(e=0;e<t.length;e++)i=i.replace(/\%/i,t[e]);return i},t.Expr.prototype._tokenize=function(e){function i(e){var i,s,n,o,r,a;for(i in t.Expr._Expressions){s=t.Expr._Expressions[i];for(n in s)if(o=s[n],r=o.regexp,a=e.match(r),null!==a)return{type:i,value:a[0],method:o.method}}throw new SyntaxError("Tone.Expr: Unexpected token "+e)}for(var s,n=-1,o=[];e.length>0;)e=e.trim(),s=i(e),o.push(s),e=e.substr(s.value.length);return{next:function(){return o[++n]},peek:function(){return o[n+1]}}},t.Expr.prototype._parseTree=function(e){function i(t,e){return!u(t)&&"glue"===t.type&&t.value===e}function s(e,i,s){var n,o,r=!1,a=t.Expr._Expressions[i];if(!u(e))for(n in a)if(o=a[n],o.regexp.test(e.value)){if(u(s))return!0;if(o.precedence===s)return!0}return r}function n(t){var e,i;for(u(t)&&(t=5),e=0>t?o():n(t-1),i=l.peek();s(i,"binary",t);)i=l.next(),e={operator:i.value,method:i.method,args:[e,n(t-1)]},i=l.peek();return e}function o(){var t,e;return t=l.peek(),s(t,"unary")?(t=l.next(),e=o(),{operator:t.value,method:t.method,args:[e]}):r()}function r(){var t,e;if(t=l.peek(),u(t))throw new SyntaxError("Tone.Expr: Unexpected termination of expression");if("func"===t.type)return t=l.next(),a(t);if("value"===t.type)return t=l.next(),{method:t.method,args:t.value};if(i(t,"(")){if(l.next(),e=n(),t=l.next(),!i(t,")"))throw new SyntaxError("Expected )");return e}throw new SyntaxError("Tone.Expr: Parse error, cannot process token "+t.value)}function a(t){var e,s=[];if(e=l.next(),!i(e,"("))throw new SyntaxError('Tone.Expr: Expected ( in a function call "'+t.value+'"');if(e=l.peek(),i(e,")")||(s=h()),e=l.next(),!i(e,")"))throw new SyntaxError('Tone.Expr: Expected ) in a function call "'+t.value+'"');return{method:t.method,args:s,name:name}}function h(){for(var t,e,s=[];;){if(e=n(),u(e))break;if(s.push(e),t=l.peek(),!i(t,","))break;l.next()}return s}var l=this._tokenize(e),u=this.isUndef.bind(this);return n()},t.Expr.prototype._eval=function(t){if(!this.isUndef(t)){var e=t.method(t.args,this);return this._nodes.push(e),e}},t.Expr.prototype._disposeNodes=function(){var t,e;for(t=0;t<this._nodes.length;t++)e=this._nodes[t],this.isFunction(e.dispose)?e.dispose():this.isFunction(e.disconnect)&&e.disconnect(),e=null,this._nodes[t]=null;this._nodes=null},t.Expr.prototype.dispose=function(){t.prototype.dispose.call(this),this._disposeNodes()},t.Expr}),e(function(t){return t.EqualPowerGain=function(){this._eqPower=this.input=this.output=new t.WaveShaper(function(t){return Math.abs(t)<.001?0:this.equalPowerScale(t)}.bind(this),4096)},t.extend(t.EqualPowerGain,t.SignalBase),t.EqualPowerGain.prototype.dispose=function(){return t.prototype.dispose.call(this),this._eqPower.dispose(),this._eqPower=null,this},t.EqualPowerGain}),e(function(t){return t.CrossFade=function(e){t.call(this,2,1),this.a=this.input[0]=this.context.createGain(),this.b=this.input[1]=this.context.createGain(),this.fade=new t.Signal(this.defaultArg(e,.5),t.Type.NormalRange),this._equalPowerA=new t.EqualPowerGain,this._equalPowerB=new t.EqualPowerGain,this._invert=new t.Expr("1 - $0"),this.a.connect(this.output),this.b.connect(this.output),this.fade.chain(this._equalPowerB,this.b.gain),this.fade.chain(this._invert,this._equalPowerA,this.a.gain),this._readOnly("fade")},t.extend(t.CrossFade),t.CrossFade.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable("fade"),this._equalPowerA.dispose(),this._equalPowerA=null,this._equalPowerB.dispose(),this._equalPowerB=null,this.fade.dispose(),this.fade=null,this._invert.dispose(),this._invert=null,this.a.disconnect(),this.a=null,this.b.disconnect(),this.b=null,this},t.CrossFade}),e(function(t){return t.Filter=function(){t.call(this);var e=this.optionsObject(arguments,["frequency","type","rolloff"],t.Filter.defaults);this._filters=[],this.frequency=new t.Signal(e.frequency,t.Type.Frequency),this.detune=new t.Signal(0,t.Type.Cents),this.gain=new t.Signal({value:e.gain,convert:!1}),this.Q=new t.Signal(e.Q),this._type=e.type,this._rolloff=e.rolloff,this.rolloff=e.rolloff,this._readOnly(["detune","frequency","gain","Q"])},t.extend(t.Filter),t.Filter.defaults={type:"lowpass",frequency:350,rolloff:-12,Q:1,gain:0},Object.defineProperty(t.Filter.prototype,"type",{get:function(){return this._type},set:function(t){var e,i=["lowpass","highpass","bandpass","lowshelf","highshelf","notch","allpass","peaking"];if(-1===i.indexOf(t))throw new TypeError("Tone.Filter: invalid type "+t);for(this._type=t,e=0;e<this._filters.length;e++)this._filters[e].type=t}}),Object.defineProperty(t.Filter.prototype,"rolloff",{get:function(){return this._rolloff},set:function(t){var e,i,s,n,o,r;if(t=parseInt(t,10),e=[-12,-24,-48,-96],i=e.indexOf(t),-1===i)throw new RangeError("Tone.Filter: rolloff can only be -12, -24, -48 or -96");for(i+=1,this._rolloff=t,this.input.disconnect(),s=0;s<this._filters.length;s++)this._filters[s].disconnect(),this._filters[s]=null;for(this._filters=new Array(i),n=0;i>n;n++)o=this.context.createBiquadFilter(),o.type=this._type,this.frequency.connect(o.frequency),this.detune.connect(o.detune),this.Q.connect(o.Q),this.gain.connect(o.gain),this._filters[n]=o;r=[this.input].concat(this._filters).concat([this.output]),this.connectSeries.apply(this,r)}}),t.Filter.prototype.dispose=function(){t.prototype.dispose.call(this);for(var e=0;e<this._filters.length;e++)this._filters[e].disconnect(),this._filters[e]=null;return this._filters=null,this._writable(["detune","frequency","gain","Q"]),this.frequency.dispose(),this.Q.dispose(),this.frequency=null,this.Q=null,this.detune.dispose(),this.detune=null,this.gain.dispose(),this.gain=null,this},t.Filter}),e(function(t){return t.MultibandSplit=function(){var e=this.optionsObject(arguments,["lowFrequency","highFrequency"],t.MultibandSplit.defaults);this.input=this.context.createGain(),this.output=new Array(3),this.low=this.output[0]=new t.Filter(0,"lowpass"),this._lowMidFilter=new t.Filter(0,"highpass"),this.mid=this.output[1]=new t.Filter(0,"lowpass"),this.high=this.output[2]=new t.Filter(0,"highpass"),this.lowFrequency=new t.Signal(e.lowFrequency,t.Type.Frequency),this.highFrequency=new t.Signal(e.highFrequency,t.Type.Frequency),this.Q=new t.Signal(e.Q),this.input.fan(this.low,this.high),this.input.chain(this._lowMidFilter,this.mid),this.lowFrequency.connect(this.low.frequency),this.lowFrequency.connect(this._lowMidFilter.frequency),this.highFrequency.connect(this.mid.frequency),this.highFrequency.connect(this.high.frequency),this.Q.connect(this.low.Q),this.Q.connect(this._lowMidFilter.Q),this.Q.connect(this.mid.Q),this.Q.connect(this.high.Q),this._readOnly(["high","mid","low","highFrequency","lowFrequency"])},t.extend(t.MultibandSplit),t.MultibandSplit.defaults={lowFrequency:400,highFrequency:2500,Q:1},t.MultibandSplit.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["high","mid","low","highFrequency","lowFrequency"]),this.low.dispose(),this.low=null,this._lowMidFilter.dispose(),this._lowMidFilter=null,this.mid.dispose(),this.mid=null,this.high.dispose(),this.high=null,this.lowFrequency.dispose(),this.lowFrequency=null,this.highFrequency.dispose(),this.highFrequency=null,this.Q.dispose(),this.Q=null,this},t.MultibandSplit}),e(function(t){return t.EQ3=function(){var e=this.optionsObject(arguments,["low","mid","high"],t.EQ3.defaults);this.output=this.context.createGain(),this._multibandSplit=this.input=new t.MultibandSplit({lowFrequency:e.lowFrequency,highFrequency:e.highFrequency}),this._lowGain=new t.Gain(e.low,t.Type.Decibels),this._midGain=new t.Gain(e.mid,t.Type.Decibels),this._highGain=new t.Gain(e.high,t.Type.Decibels),this.low=this._lowGain.gain,this.mid=this._midGain.gain,this.high=this._highGain.gain,this.Q=this._multibandSplit.Q,this.lowFrequency=this._multibandSplit.lowFrequency,this.highFrequency=this._multibandSplit.highFrequency,this._multibandSplit.low.chain(this._lowGain,this.output),this._multibandSplit.mid.chain(this._midGain,this.output),this._multibandSplit.high.chain(this._highGain,this.output),this._readOnly(["low","mid","high","lowFrequency","highFrequency"])},t.extend(t.EQ3),t.EQ3.defaults={low:0,mid:0,high:0,lowFrequency:400,highFrequency:2500},t.EQ3.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["low","mid","high","lowFrequency","highFrequency"]),this._multibandSplit.dispose(),this._multibandSplit=null,this.lowFrequency=null,this.highFrequency=null,this._lowGain.dispose(),this._lowGain=null,this._midGain.dispose(),this._midGain=null,this._highGain.dispose(),this._highGain=null,this.low=null,this.mid=null,this.high=null,this.Q=null,this},t.EQ3}),e(function(t){return t.Scale=function(e,i){this._outputMin=this.defaultArg(e,0),this._outputMax=this.defaultArg(i,1),this._scale=this.input=new t.Multiply(1),this._add=this.output=new t.Add(0),this._scale.connect(this._add),this._setRange()},t.extend(t.Scale,t.SignalBase),Object.defineProperty(t.Scale.prototype,"min",{get:function(){return this._outputMin},set:function(t){this._outputMin=t,this._setRange()}}),Object.defineProperty(t.Scale.prototype,"max",{get:function(){return this._outputMax},set:function(t){this._outputMax=t,this._setRange()}}),t.Scale.prototype._setRange=function(){this._add.value=this._outputMin,this._scale.value=this._outputMax-this._outputMin},t.Scale.prototype.dispose=function(){return t.prototype.dispose.call(this),this._add.dispose(),this._add=null,this._scale.dispose(),this._scale=null,this},t.Scale}),e(function(t){return t.ScaleExp=function(e,i,s){this._scale=this.output=new t.Scale(e,i),this._exp=this.input=new t.Pow(this.defaultArg(s,2)),this._exp.connect(this._scale)},t.extend(t.ScaleExp,t.SignalBase),Object.defineProperty(t.ScaleExp.prototype,"exponent",{get:function(){return this._exp.value},set:function(t){this._exp.value=t}}),Object.defineProperty(t.ScaleExp.prototype,"min",{get:function(){return this._scale.min},set:function(t){this._scale.min=t}}),Object.defineProperty(t.ScaleExp.prototype,"max",{get:function(){return this._scale.max},set:function(t){this._scale.max=t}}),t.ScaleExp.prototype.dispose=function(){return t.prototype.dispose.call(this),this._scale.dispose(),this._scale=null,this._exp.dispose(),this._exp=null,this},t.ScaleExp}),e(function(t){return t.FeedbackCombFilter=function(){t.call(this);var e=this.optionsObject(arguments,["delayTime","resonance"],t.FeedbackCombFilter.defaults);this._delay=this.input=this.output=this.context.createDelay(1),this.delayTime=new t.Param({param:this._delay.delayTime,value:e.delayTime,units:t.Type.Time}),this._feedback=this.context.createGain(),this.resonance=new t.Param({param:this._feedback.gain,value:e.resonance,units:t.Type.NormalRange}),this._delay.chain(this._feedback,this._delay),this._readOnly(["resonance","delayTime"])},t.extend(t.FeedbackCombFilter),t.FeedbackCombFilter.defaults={delayTime:.1,resonance:.5},t.FeedbackCombFilter.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["resonance","delayTime"]),this._delay.disconnect(),this._delay=null,this.delayTime.dispose(),this.delayTime=null,this.resonance.dispose(),this.resonance=null,this._feedback.disconnect(),this._feedback=null,this},t.FeedbackCombFilter}),e(function(t){return t.Follower=function(){t.call(this);var e=this.optionsObject(arguments,["attack","release"],t.Follower.defaults);this._abs=new t.Abs,this._filter=this.context.createBiquadFilter(),this._filter.type="lowpass",this._filter.frequency.value=0,this._filter.Q.value=-100,this._frequencyValues=new t.WaveShaper,this._sub=new t.Subtract,this._delay=this.context.createDelay(),this._delay.delayTime.value=this.blockTime,this._mult=new t.Multiply(1e4),this._attack=e.attack,this._release=e.release,this.input.chain(this._abs,this._filter,this.output),this._abs.connect(this._sub,0,1),this._filter.chain(this._delay,this._sub),this._sub.chain(this._mult,this._frequencyValues,this._filter.frequency),this._setAttackRelease(this._attack,this._release)},t.extend(t.Follower),t.Follower.defaults={attack:.05,release:.5},t.Follower.prototype._setAttackRelease=function(e,i){var s=this.blockTime;e=t.Time(e).toFrequency(),i=t.Time(i).toFrequency(),e=Math.max(e,s),i=Math.max(i,s),this._frequencyValues.setMap(function(t){return 0>=t?e:i})},Object.defineProperty(t.Follower.prototype,"attack",{get:function(){return this._attack},set:function(t){this._attack=t,this._setAttackRelease(this._attack,this._release)}}),Object.defineProperty(t.Follower.prototype,"release",{get:function(){return this._release},set:function(t){this._release=t,this._setAttackRelease(this._attack,this._release)}}),t.Follower.prototype.connect=t.Signal.prototype.connect,t.Follower.prototype.dispose=function(){return t.prototype.dispose.call(this),this._filter.disconnect(),this._filter=null,this._frequencyValues.disconnect(),this._frequencyValues=null,this._delay.disconnect(),this._delay=null,this._sub.disconnect(),this._sub=null,this._abs.dispose(),this._abs=null,this._mult.dispose(),this._mult=null,this._curve=null,this},t.Follower}),e(function(t){return t.ScaledEnvelope=function(){var e=this.optionsObject(arguments,["attack","decay","sustain","release"],t.Envelope.defaults);t.Envelope.call(this,e),e=this.defaultArg(e,t.ScaledEnvelope.defaults),this._exp=this.output=new t.Pow(e.exponent),this._scale=this.output=new t.Scale(e.min,e.max),this._sig.chain(this._exp,this._scale)},t.extend(t.ScaledEnvelope,t.Envelope),t.ScaledEnvelope.defaults={min:0,max:1,exponent:1},Object.defineProperty(t.ScaledEnvelope.prototype,"min",{get:function(){return this._scale.min},set:function(t){this._scale.min=t}}),Object.defineProperty(t.ScaledEnvelope.prototype,"max",{get:function(){return this._scale.max},set:function(t){this._scale.max=t}}),Object.defineProperty(t.ScaledEnvelope.prototype,"exponent",{get:function(){return this._exp.value},set:function(t){this._exp.value=t}}),t.ScaledEnvelope.prototype.dispose=function(){return t.Envelope.prototype.dispose.call(this),this._scale.dispose(),this._scale=null,this._exp.dispose(),this._exp=null,this},t.ScaledEnvelope}),e(function(t){return t.FrequencyEnvelope=function(){var e=this.optionsObject(arguments,["attack","decay","sustain","release"],t.Envelope.defaults);t.ScaledEnvelope.call(this,e),e=this.defaultArg(e,t.FrequencyEnvelope.defaults),this._octaves=e.octaves,this.baseFrequency=e.baseFrequency,this.octaves=e.octaves},t.extend(t.FrequencyEnvelope,t.Envelope),t.FrequencyEnvelope.defaults={baseFrequency:200,octaves:4,exponent:2},Object.defineProperty(t.FrequencyEnvelope.prototype,"baseFrequency",{get:function(){return this._scale.min},set:function(t){this._scale.min=this.toFrequency(t)}}),Object.defineProperty(t.FrequencyEnvelope.prototype,"octaves",{get:function(){return this._octaves},set:function(t){this._octaves=t,this._scale.max=this.baseFrequency*Math.pow(2,t)}}),Object.defineProperty(t.FrequencyEnvelope.prototype,"exponent",{get:function(){return this._exp.value},set:function(t){this._exp.value=t}}),t.FrequencyEnvelope.prototype.dispose=function(){return t.ScaledEnvelope.prototype.dispose.call(this),this},t.FrequencyEnvelope}),e(function(t){return t.Gate=function(){t.call(this);var e=this.optionsObject(arguments,["threshold","attack","release"],t.Gate.defaults);this._follower=new t.Follower(e.attack,e.release),this._gt=new t.GreaterThan(this.dbToGain(e.threshold)),this.input.connect(this.output),this.input.chain(this._gt,this._follower,this.output.gain)},t.extend(t.Gate),t.Gate.defaults={attack:.1,release:.1,threshold:-40},Object.defineProperty(t.Gate.prototype,"threshold",{get:function(){return this.gainToDb(this._gt.value)},set:function(t){this._gt.value=this.dbToGain(t)}}),Object.defineProperty(t.Gate.prototype,"attack",{get:function(){return this._follower.attack},set:function(t){this._follower.attack=t}}),Object.defineProperty(t.Gate.prototype,"release",{get:function(){return this._follower.release},set:function(t){this._follower.release=t}}),t.Gate.prototype.dispose=function(){return t.prototype.dispose.call(this),this._follower.dispose(),this._gt.dispose(),this._follower=null,this._gt=null,this},t.Gate}),e(function(t){return t.TimelineState=function(e){t.Timeline.call(this),this._initial=e},t.extend(t.TimelineState,t.Timeline),t.TimelineState.prototype.getStateAtTime=function(t){var e=this.getEvent(t);return null!==e?e.state:this._initial;
+
+},t.TimelineState.prototype.setStateAtTime=function(t,e){this.addEvent({state:t,time:this.toSeconds(e)})},t.TimelineState}),e(function(t){var e,i,s;return t.Clock=function(){var i=this.optionsObject(arguments,["callback","frequency"],t.Clock.defaults);this.callback=i.callback,this._lookAhead="auto",this._computedLookAhead=e/1e3,this._nextTick=-1,this._lastUpdate=-1,this._loopID=-1,this.frequency=new t.TimelineSignal(i.frequency,t.Type.Frequency),this.ticks=0,this._state=new t.TimelineState(t.State.Stopped),this._boundLoop=this._loop.bind(this),t.Clock._worker.addEventListener("message",this._boundLoop),this._readOnly("frequency")},t.extend(t.Clock),t.Clock.defaults={callback:t.noOp,frequency:1,lookAhead:"auto"},Object.defineProperty(t.Clock.prototype,"state",{get:function(){return this._state.getStateAtTime(this.now())}}),Object.defineProperty(t.Clock.prototype,"lookAhead",{get:function(){return this._lookAhead},set:function(t){this._lookAhead="auto"===t?"auto":this.toSeconds(t)}}),t.Clock.prototype.start=function(e,i){return e=this.toSeconds(e),this._state.getStateAtTime(e)!==t.State.Started&&this._state.addEvent({state:t.State.Started,time:e,offset:i}),this},t.Clock.prototype.stop=function(e){return e=this.toSeconds(e),this._state.cancel(e),this._state.setStateAtTime(t.State.Stopped,e),this},t.Clock.prototype.pause=function(e){return e=this.toSeconds(e),this._state.getStateAtTime(e)===t.State.Started&&this._state.setStateAtTime(t.State.Paused,e),this},t.Clock.prototype._loop=function(){var i,s,n,o,r,a,h;if("auto"===this._lookAhead?(i=this.now(),-1!==this._lastUpdate&&(s=i-this._lastUpdate,s=Math.min(10*e/1e3,s),this._computedLookAhead=(9*this._computedLookAhead+s)/10),this._lastUpdate=i):this._computedLookAhead=this._lookAhead,n=this.now(),o=2*this._computedLookAhead,r=this._state.getEvent(n+o),a=t.State.Stopped,r&&(a=r.state,-1===this._nextTick&&a===t.State.Started&&(this._nextTick=r.time,this.isUndef(r.offset)||(this.ticks=r.offset))),a===t.State.Started)for(;n+o>this._nextTick;)h=this._nextTick,this._nextTick+=1/this.frequency.getValueAtTime(this._nextTick),this.callback(h),this.ticks++;else a===t.State.Stopped?(this._nextTick=-1,this.ticks=0):a===t.State.Paused&&(this._nextTick=-1)},t.Clock.prototype.getStateAtTime=function(t){return this._state.getStateAtTime(t)},t.Clock.prototype.dispose=function(){cancelAnimationFrame(this._loopID),t.TimelineState.prototype.dispose.call(this),t.Clock._worker.removeEventListener("message",this._boundLoop),this._writable("frequency"),this.frequency.dispose(),this.frequency=null,this._boundLoop=null,this._nextTick=1/0,this.callback=null,this._state.dispose(),this._state=null},window.URL=window.URL||window.webkitURL,e=20,i=new Blob(["setInterval(function(){self.postMessage('tick')}, "+e+")"]),s=URL.createObjectURL(i),t.Clock._worker=new Worker(s),t.Clock}),e(function(t){return t.Emitter=function(){this._events={}},t.extend(t.Emitter),t.Emitter.prototype.on=function(t,e){var i,s,n=t.split(/\W+/);for(i=0;i<n.length;i++)s=n[i],this._events.hasOwnProperty(s)||(this._events[s]=[]),this._events[s].push(e);return this},t.Emitter.prototype.off=function(e,i){var s,n,o,r=e.split(/\W+/);for(s=0;s<r.length;s++)if(e=r[s],this._events.hasOwnProperty(e))if(t.prototype.isUndef(i))this._events[e]=[];else for(n=this._events[e],o=0;o<n.length;o++)n[o]===i&&n.splice(o,1);return this},t.Emitter.prototype.trigger=function(t){var e,i,s,n;if(this._events&&(e=Array.prototype.slice.call(arguments,1),this._events.hasOwnProperty(t)))for(i=this._events[t],s=0,n=i.length;n>s;s++)i[s].apply(this,e);return this},t.Emitter.mixin=function(e){var i,s,n,o=["on","off","trigger"];for(e._events={},i=0;i<o.length;i++)s=o[i],n=t.Emitter.prototype[s],e[s]=n},t.Emitter.prototype.dispose=function(){return t.prototype.dispose.call(this),this._events=null,this},t.Emitter}),e(function(t){t.IntervalTimeline=function(){this._root=null,this._length=0},t.extend(t.IntervalTimeline),t.IntervalTimeline.prototype.addEvent=function(t){if(this.isUndef(t.time)||this.isUndef(t.duration))throw new Error("Tone.IntervalTimeline: events must have time and duration parameters");var i=new e(t.time,t.time+t.duration,t);for(null===this._root?this._root=i:this._root.insert(i),this._length++;null!==i;)i.updateHeight(),i.updateMax(),this._rebalance(i),i=i.parent;return this},t.IntervalTimeline.prototype.removeEvent=function(t){var e,i,s;if(null!==this._root)for(e=[],this._root.search(t.time,e),i=0;i<e.length;i++)if(s=e[i],s.event===t){this._removeNode(s),this._length--;break}return this},Object.defineProperty(t.IntervalTimeline.prototype,"length",{get:function(){return this._length}}),t.IntervalTimeline.prototype.cancel=function(t){return t=this.toSeconds(t),this.forEachAfter(t,function(t){this.removeEvent(t)}.bind(this)),this},t.IntervalTimeline.prototype._setRoot=function(t){this._root=t,null!==this._root&&(this._root.parent=null)},t.IntervalTimeline.prototype._replaceNodeInParent=function(t,e){null!==t.parent?(t.isLeftChild()?t.parent.left=e:t.parent.right=e,this._rebalance(t.parent)):this._setRoot(e)},t.IntervalTimeline.prototype._removeNode=function(t){var e,i,s;if(null===t.left&&null===t.right)this._replaceNodeInParent(t,null);else if(null===t.right)this._replaceNodeInParent(t,t.left);else if(null===t.left)this._replaceNodeInParent(t,t.right);else{if(e=t.getBalance(),e>0)if(null===t.left.right)i=t.left,i.right=t.right,s=i;else{for(i=t.left.right;null!==i.right;)i=i.right;i.parent.right=i.left,s=i.parent,i.left=t.left,i.right=t.right}else if(null===t.right.left)i=t.right,i.left=t.left,s=i;else{for(i=t.right.left;null!==i.left;)i=i.left;i.parent=i.parent,i.parent.left=i.right,s=i.parent,i.left=t.left,i.right=t.right}null!==t.parent?t.isLeftChild()?t.parent.left=i:t.parent.right=i:this._setRoot(i),this._rebalance(s)}t.dispose()},t.IntervalTimeline.prototype._rotateLeft=function(t){var e=t.parent,i=t.isLeftChild(),s=t.right;t.right=s.left,s.left=t,null!==e?i?e.left=s:e.right=s:this._setRoot(s)},t.IntervalTimeline.prototype._rotateRight=function(t){var e=t.parent,i=t.isLeftChild(),s=t.left;t.left=s.right,s.right=t,null!==e?i?e.left=s:e.right=s:this._setRoot(s)},t.IntervalTimeline.prototype._rebalance=function(t){var e=t.getBalance();e>1?t.left.getBalance()<0?this._rotateLeft(t.left):this._rotateRight(t):-1>e&&(t.right.getBalance()>0?this._rotateRight(t.right):this._rotateLeft(t))},t.IntervalTimeline.prototype.getEvent=function(t){var e,i,s;if(null!==this._root&&(e=[],this._root.search(t,e),e.length>0)){for(i=e[0],s=1;s<e.length;s++)e[s].low>i.low&&(i=e[s]);return i.event}return null},t.IntervalTimeline.prototype.forEach=function(t){var e,i,s;if(null!==this._root)for(e=[],null!==this._root&&this._root.traverse(function(t){e.push(t)}),i=0;i<e.length;i++)s=e[i].event,s&&t(s);return this},t.IntervalTimeline.prototype.forEachAtTime=function(t,e){var i,s,n;if(t=this.toSeconds(t),null!==this._root)for(i=[],this._root.search(t,i),s=i.length-1;s>=0;s--)n=i[s].event,n&&e(n);return this},t.IntervalTimeline.prototype.forEachAfter=function(t,e){var i,s,n;if(t=this.toSeconds(t),null!==this._root)for(i=[],this._root.searchAfter(t,i),s=i.length-1;s>=0;s--)n=i[s].event,n&&e(n);return this},t.IntervalTimeline.prototype.dispose=function(){var t,e=[];for(null!==this._root&&this._root.traverse(function(t){e.push(t)}),t=0;t<e.length;t++)e[t].dispose();return e=null,this._root=null,this};var e=function(t,e,i){this.event=i,this.low=t,this.high=e,this.max=this.high,this._left=null,this._right=null,this.parent=null,this.height=0};return e.prototype.insert=function(t){t.low<=this.low?null===this.left?this.left=t:this.left.insert(t):null===this.right?this.right=t:this.right.insert(t)},e.prototype.search=function(t,e){t>this.max||(null!==this.left&&this.left.search(t,e),this.low<=t&&this.high>t&&e.push(this),this.low>t||null!==this.right&&this.right.search(t,e))},e.prototype.searchAfter=function(t,e){this.low>=t&&(e.push(this),null!==this.left&&this.left.searchAfter(t,e)),null!==this.right&&this.right.searchAfter(t,e)},e.prototype.traverse=function(t){t(this),null!==this.left&&this.left.traverse(t),null!==this.right&&this.right.traverse(t)},e.prototype.updateHeight=function(){this.height=null!==this.left&&null!==this.right?Math.max(this.left.height,this.right.height)+1:null!==this.right?this.right.height+1:null!==this.left?this.left.height+1:0},e.prototype.updateMax=function(){this.max=this.high,null!==this.left&&(this.max=Math.max(this.max,this.left.max)),null!==this.right&&(this.max=Math.max(this.max,this.right.max))},e.prototype.getBalance=function(){var t=0;return null!==this.left&&null!==this.right?t=this.left.height-this.right.height:null!==this.left?t=this.left.height+1:null!==this.right&&(t=-(this.right.height+1)),t},e.prototype.isLeftChild=function(){return null!==this.parent&&this.parent.left===this},Object.defineProperty(e.prototype,"left",{get:function(){return this._left},set:function(t){this._left=t,null!==t&&(t.parent=this),this.updateHeight(),this.updateMax()}}),Object.defineProperty(e.prototype,"right",{get:function(){return this._right},set:function(t){this._right=t,null!==t&&(t.parent=this),this.updateHeight(),this.updateMax()}}),e.prototype.dispose=function(){this.parent=null,this._left=null,this._right=null,this.event=null},t.IntervalTimeline}),e(function(t){t.Transport=function(){t.Emitter.call(this),this.loop=!1,this._loopStart=0,this._loopEnd=0,this._ppq=e.defaults.PPQ,this._clock=new t.Clock({callback:this._processTick.bind(this),frequency:0}),this.bpm=this._clock.frequency,this.bpm._toUnits=this._toUnits.bind(this),this.bpm._fromUnits=this._fromUnits.bind(this),this.bpm.units=t.Type.BPM,this.bpm.value=e.defaults.bpm,this._readOnly("bpm"),this._timeSignature=e.defaults.timeSignature,this._scheduledEvents={},this._eventID=0,this._timeline=new t.Timeline,this._repeatedEvents=new t.IntervalTimeline,this._onceEvents=new t.Timeline,this._syncedSignals=[],this._swingTicks=e.defaults.PPQ/2,this._swingAmount=0},t.extend(t.Transport,t.Emitter),t.Transport.defaults={bpm:120,swing:0,swingSubdivision:"8n",timeSignature:4,loopStart:0,loopEnd:"4m",PPQ:192},t.Transport.prototype._processTick=function(e){var i,s,n=this._clock.ticks;this._swingAmount>0&&n%this._ppq!==0&&n%(2*this._swingTicks)!==0&&(i=n%(2*this._swingTicks)/(2*this._swingTicks),s=Math.sin(i*Math.PI)*this._swingAmount,e+=t.Time(2*this._swingTicks/3,"i").eval()*s),this.loop&&n===this._loopEnd&&(this.ticks=this._loopStart,n=this._loopStart,this.trigger("loop",e)),this._onceEvents.forEachBefore(n,function(t){t.callback(e)}),this._onceEvents.cancelBefore(n),this._timeline.forEachAtTime(n,function(t){t.callback(e)}),this._repeatedEvents.forEachAtTime(n,function(t){(n-t.time)%t.interval===0&&t.callback(e)})},t.Transport.prototype.schedule=function(t,e){var i={time:this.toTicks(e),callback:t},s=this._eventID++;return this._scheduledEvents[s.toString()]={event:i,timeline:this._timeline},this._timeline.addEvent(i),s},t.Transport.prototype.scheduleRepeat=function(t,e,i,s){var n,o;if(0>=e)throw new Error("Tone.Transport: repeat events must have an interval larger than 0");return n={time:this.toTicks(i),duration:this.toTicks(this.defaultArg(s,1/0)),interval:this.toTicks(e),callback:t},o=this._eventID++,this._scheduledEvents[o.toString()]={event:n,timeline:this._repeatedEvents},this._repeatedEvents.addEvent(n),o},t.Transport.prototype.scheduleOnce=function(t,e){var i={time:this.toTicks(e),callback:t},s=this._eventID++;return this._scheduledEvents[s.toString()]={event:i,timeline:this._onceEvents},this._onceEvents.addEvent(i),s},t.Transport.prototype.clear=function(t){if(this._scheduledEvents.hasOwnProperty(t)){var e=this._scheduledEvents[t.toString()];e.timeline.removeEvent(e.event),delete this._scheduledEvents[t.toString()]}return this},t.Transport.prototype.cancel=function(t){return t=this.defaultArg(t,0),t=this.toTicks(t),this._timeline.cancel(t),this._onceEvents.cancel(t),this._repeatedEvents.cancel(t),this},Object.defineProperty(t.Transport.prototype,"state",{get:function(){return this._clock.getStateAtTime(this.now())}}),t.Transport.prototype.start=function(e,i){return e=this.toSeconds(e),i=this.isUndef(i)?new t.Time(this._clock.ticks,"i"):new t.Time(i),this._clock.start(e,i.toTicks()),this.trigger("start",e,i.toSeconds()),this},t.Transport.prototype.stop=function(t){return t=this.toSeconds(t),this._clock.stop(t),this.trigger("stop",t),this},t.Transport.prototype.pause=function(t){return t=this.toSeconds(t),this._clock.pause(t),this.trigger("pause",t),this},Object.defineProperty(t.Transport.prototype,"timeSignature",{get:function(){return this._timeSignature},set:function(t){this.isArray(t)&&(t=t[0]/t[1]*4),this._timeSignature=t}}),Object.defineProperty(t.Transport.prototype,"loopStart",{get:function(){return t.TransportTime(this._loopStart,"i").toSeconds()},set:function(t){this._loopStart=this.toTicks(t)}}),Object.defineProperty(t.Transport.prototype,"loopEnd",{get:function(){return t.TransportTime(this._loopEnd,"i").toSeconds()},set:function(t){this._loopEnd=this.toTicks(t)}}),t.Transport.prototype.setLoopPoints=function(t,e){return this.loopStart=t,this.loopEnd=e,this},Object.defineProperty(t.Transport.prototype,"swing",{get:function(){return this._swingAmount},set:function(t){this._swingAmount=t}}),Object.defineProperty(t.Transport.prototype,"swingSubdivision",{get:function(){return t.Time(this._swingTicks,"i").toNotation()},set:function(t){this._swingTicks=this.toTicks(t)}}),Object.defineProperty(t.Transport.prototype,"position",{get:function(){return t.TransportTime(this.ticks,"i").toBarsBeatsSixteenths()},set:function(t){var e=this.toTicks(t);this.ticks=e}}),Object.defineProperty(t.Transport.prototype,"progress",{get:function(){return this.loop?(this.ticks-this._loopStart)/(this._loopEnd-this._loopStart):0}}),Object.defineProperty(t.Transport.prototype,"ticks",{get:function(){return this._clock.ticks},set:function(t){this._clock.ticks=t}}),Object.defineProperty(t.Transport.prototype,"PPQ",{get:function(){return this._ppq},set:function(t){var e=this.bpm.value;this._ppq=t,this.bpm.value=e}}),t.Transport.prototype._fromUnits=function(t){return 1/(60/t/this.PPQ)},t.Transport.prototype._toUnits=function(t){return t/this.PPQ*60},t.Transport.prototype.nextSubdivision=function(e){var i,s,n;return e=this.toSeconds(e),this.state!==t.State.Started?0:(i=this._clock._nextTick,s=t.Time(this.ticks,"i").eval(),n=e-s%e,0===n&&(n=e),i+n)},t.Transport.prototype.syncSignal=function(e,i){i||(i=0!==e._param.value?e._param.value/this.bpm._param.value:0);var s=new t.Gain(i);return this.bpm.chain(s,e._param),this._syncedSignals.push({ratio:s,signal:e,initial:e._param.value}),e._param.value=0,this},t.Transport.prototype.unsyncSignal=function(t){var e,i;for(e=this._syncedSignals.length-1;e>=0;e--)i=this._syncedSignals[e],i.signal===t&&(i.ratio.dispose(),i.signal._param.value=i.initial,this._syncedSignals.splice(e,1));return this},t.Transport.prototype.dispose=function(){return t.Emitter.prototype.dispose.call(this),this._clock.dispose(),this._clock=null,this._writable("bpm"),this.bpm=null,this._timeline.dispose(),this._timeline=null,this._onceEvents.dispose(),this._onceEvents=null,this._repeatedEvents.dispose(),this._repeatedEvents=null,this};var e=t.Transport;return t._initAudioContext(function(){if("function"==typeof t.Transport)t.Transport=new t.Transport;else{t.Transport.stop();var i=t.Transport.get();t.Transport.dispose(),e.call(t.Transport),t.Transport.set(i)}}),t.Transport}),e(function(t){return t.Volume=function(){var e=this.optionsObject(arguments,["volume"],t.Volume.defaults);this.output=this.input=new t.Gain(e.volume,t.Type.Decibels),this._unmutedVolume=0,this._muted=!1,this.volume=this.output.gain,this._readOnly("volume"),this.mute=e.mute},t.extend(t.Volume),t.Volume.defaults={volume:0,mute:!1},Object.defineProperty(t.Volume.prototype,"mute",{get:function(){return this._muted},set:function(t){!this._muted&&t?(this._unmutedVolume=this.volume.value,this.volume.value=-(1/0)):this._muted&&!t&&(this.volume.value=this._unmutedVolume),this._muted=t}}),t.Volume.prototype.dispose=function(){return this.input.dispose(),t.prototype.dispose.call(this),this._writable("volume"),this.volume.dispose(),this.volume=null,this},t.Volume}),e(function(t){t.Master=function(){t.call(this),this._volume=this.output=new t.Volume,this.volume=this._volume.volume,this._readOnly("volume"),this.input.chain(this.output,this.context.destination)},t.extend(t.Master),t.Master.defaults={volume:0,mute:!1},Object.defineProperty(t.Master.prototype,"mute",{get:function(){return this._volume.mute},set:function(t){this._volume.mute=t}}),t.Master.prototype.chain=function(){this.input.disconnect(),this.input.chain.apply(this.input,arguments),arguments[arguments.length-1].connect(this.output)},t.Master.prototype.dispose=function(){t.prototype.dispose.call(this),this._writable("volume"),this._volume.dispose(),this._volume=null,this.volume=null},t.prototype.toMaster=function(){return this.connect(t.Master),this},AudioNode.prototype.toMaster=function(){return this.connect(t.Master),this};var e=t.Master;return t._initAudioContext(function(){t.prototype.isUndef(t.Master)?(e.prototype.dispose.call(t.Master),e.call(t.Master)):t.Master=new e}),t.Master}),e(function(t){return t.Source=function(e){t.call(this),e=this.defaultArg(e,t.Source.defaults),this._volume=this.output=new t.Volume(e.volume),this.volume=this._volume.volume,this._readOnly("volume"),this._state=new t.TimelineState(t.State.Stopped),this._state.memory=10,this._syncStart=function(t,e){t=this.toSeconds(t),t+=this.toSeconds(this._startDelay),this.start(t,e)}.bind(this),this._syncStop=this.stop.bind(this),this._startDelay=0,this._volume.output.output.channelCount=2,this._volume.output.output.channelCountMode="explicit",this.mute=e.mute},t.extend(t.Source),t.Source.defaults={volume:0,mute:!1},Object.defineProperty(t.Source.prototype,"state",{get:function(){return this._state.getStateAtTime(this.now())}}),Object.defineProperty(t.Source.prototype,"mute",{get:function(){return this._volume.mute},set:function(t){this._volume.mute=t}}),t.Source.prototype.start=function(e){return e=this.toSeconds(e),(this._state.getStateAtTime(e)!==t.State.Started||this.retrigger)&&(this._state.setStateAtTime(t.State.Started,e),this._start&&this._start.apply(this,arguments)),this},t.Source.prototype.stop=function(e){return e=this.toSeconds(e),this._state.cancel(e),this._state.setStateAtTime(t.State.Stopped,e),this._stop&&this._stop.apply(this,arguments),this},t.Source.prototype.sync=function(e){return this._startDelay=this.defaultArg(e,0),t.Transport.on("start",this._syncStart),t.Transport.on("stop pause",this._syncStop),this},t.Source.prototype.unsync=function(){return this._startDelay=0,t.Transport.off("start",this._syncStart),t.Transport.off("stop pause",this._syncStop),this},t.Source.prototype.dispose=function(){this.stop(),t.prototype.dispose.call(this),this.unsync(),this._writable("volume"),this._volume.dispose(),this._volume=null,this.volume=null,this._state.dispose(),this._state=null,this._syncStart=null,this._syncStart=null},t.Source}),e(function(t){return t.Oscillator=function(){var e=this.optionsObject(arguments,["frequency","type"],t.Oscillator.defaults);t.Source.call(this,e),this._oscillator=null,this.frequency=new t.Signal(e.frequency,t.Type.Frequency),this.detune=new t.Signal(e.detune,t.Type.Cents),this._wave=null,this._partials=this.defaultArg(e.partials,[1]),this._phase=e.phase,this._type=null,this.type=e.type,this.phase=this._phase,this._readOnly(["frequency","detune"])},t.extend(t.Oscillator,t.Source),t.Oscillator.defaults={type:"sine",frequency:440,detune:0,phase:0,partials:[]},t.Oscillator.Type={Sine:"sine",Triangle:"triangle",Sawtooth:"sawtooth",Square:"square",Custom:"custom"},t.Oscillator.prototype._start=function(t){this._oscillator=this.context.createOscillator(),this._oscillator.setPeriodicWave(this._wave),this._oscillator.connect(this.output),this.frequency.connect(this._oscillator.frequency),this.detune.connect(this._oscillator.detune),this._oscillator.start(this.toSeconds(t))},t.Oscillator.prototype._stop=function(t){return this._oscillator&&(this._oscillator.stop(this.toSeconds(t)),this._oscillator=null),this},t.Oscillator.prototype.syncFrequency=function(){return t.Transport.syncSignal(this.frequency),this},t.Oscillator.prototype.unsyncFrequency=function(){return t.Transport.unsyncSignal(this.frequency),this},Object.defineProperty(t.Oscillator.prototype,"type",{get:function(){return this._type},set:function(t){var e=this._getRealImaginary(t,this._phase),i=this.context.createPeriodicWave(e[0],e[1]);this._wave=i,null!==this._oscillator&&this._oscillator.setPeriodicWave(this._wave),this._type=t}}),t.Oscillator.prototype._getRealImaginary=function(e,i){var s,n,o,r,a=4096,h=a/2,l=new Float32Array(h),u=new Float32Array(h),c=1;for(e===t.Oscillator.Type.Custom?(c=this._partials.length+1,h=c):(s=/^(sine|triangle|square|sawtooth)(\d+)$/.exec(e),s&&(c=parseInt(s[2])+1,e=s[1],c=Math.max(c,2),h=c)),n=1;h>n;++n){switch(o=2/(n*Math.PI),e){case t.Oscillator.Type.Sine:r=c>=n?1:0;break;case t.Oscillator.Type.Square:r=1&n?2*o:0;break;case t.Oscillator.Type.Sawtooth:r=o*(1&n?1:-1);break;case t.Oscillator.Type.Triangle:r=1&n?2*o*o*(n-1>>1&1?-1:1):0;break;case t.Oscillator.Type.Custom:r=this._partials[n-1];break;default:throw new TypeError("Tone.Oscillator: invalid type: "+e)}0!==r?(l[n]=-r*Math.sin(i*n),u[n]=r*Math.cos(i*n)):(l[n]=0,u[n]=0)}return[l,u]},t.Oscillator.prototype._inverseFFT=function(t,e,i){var s,n=0,o=t.length;for(s=0;o>s;s++)n+=t[s]*Math.cos(s*i)+e[s]*Math.sin(s*i);return n},t.Oscillator.prototype._getInitialValue=function(){var t,e=this._getRealImaginary(this._type,0),i=e[0],s=e[1],n=0,o=2*Math.PI;for(t=0;8>t;t++)n=Math.max(this._inverseFFT(i,s,t/8*o),n);return-this._inverseFFT(i,s,this._phase)/n},Object.defineProperty(t.Oscillator.prototype,"partials",{get:function(){return this._type!==t.Oscillator.Type.Custom?[]:this._partials},set:function(e){this._partials=e,this.type=t.Oscillator.Type.Custom}}),Object.defineProperty(t.Oscillator.prototype,"phase",{get:function(){return this._phase*(180/Math.PI)},set:function(t){this._phase=t*Math.PI/180,this.type=this._type}}),t.Oscillator.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),null!==this._oscillator&&(this._oscillator.disconnect(),this._oscillator=null),this._wave=null,this._writable(["frequency","detune"]),this.frequency.dispose(),this.frequency=null,this.detune.dispose(),this.detune=null,this._partials=null,this},t.Oscillator}),e(function(t){return t.Zero=function(){this._gain=this.input=this.output=new t.Gain,t.Zero._zeros.connect(this._gain)},t.extend(t.Zero),t.Zero.prototype.dispose=function(){return t.prototype.dispose.call(this),this._gain.dispose(),this._gain=null,this},t.Zero._zeros=null,t._initAudioContext(function(e){var i,s=e.createBuffer(1,128,e.sampleRate),n=s.getChannelData(0);for(i=0;i<n.length;i++)n[i]=0;t.Zero._zeros=e.createBufferSource(),t.Zero._zeros.channelCount=1,t.Zero._zeros.channelCountMode="explicit",t.Zero._zeros.buffer=s,t.Zero._zeros.loop=!0,t.Zero._zeros.start(0),t.Zero._zeros.noGC()}),t.Zero}),e(function(t){return t.LFO=function(){var e=this.optionsObject(arguments,["frequency","min","max"],t.LFO.defaults);this._oscillator=new t.Oscillator({frequency:e.frequency,type:e.type}),this.frequency=this._oscillator.frequency,this.amplitude=this._oscillator.volume,this.amplitude.units=t.Type.NormalRange,this.amplitude.value=e.amplitude,this._stoppedSignal=new t.Signal(0,t.Type.AudioRange),this._zeros=new t.Zero,this._stoppedValue=0,this._a2g=new t.AudioToGain,this._scaler=this.output=new t.Scale(e.min,e.max),this._units=t.Type.Default,this.units=e.units,this._oscillator.chain(this._a2g,this._scaler),this._zeros.connect(this._a2g),this._stoppedSignal.connect(this._a2g),this._readOnly(["amplitude","frequency"]),this.phase=e.phase},t.extend(t.LFO,t.Oscillator),t.LFO.defaults={type:"sine",min:0,max:1,phase:0,frequency:"4n",amplitude:1,units:t.Type.Default},t.LFO.prototype.start=function(t){return t=this.toSeconds(t),this._stoppedSignal.setValueAtTime(0,t),this._oscillator.start(t),this},t.LFO.prototype.stop=function(t){return t=this.toSeconds(t),this._stoppedSignal.setValueAtTime(this._stoppedValue,t),this._oscillator.stop(t),this},t.LFO.prototype.sync=function(t){return this._oscillator.sync(t),this._oscillator.syncFrequency(),this},t.LFO.prototype.unsync=function(){return this._oscillator.unsync(),this._oscillator.unsyncFrequency(),this},Object.defineProperty(t.LFO.prototype,"min",{get:function(){return this._toUnits(this._scaler.min)},set:function(t){t=this._fromUnits(t),this._scaler.min=t}}),Object.defineProperty(t.LFO.prototype,"max",{get:function(){return this._toUnits(this._scaler.max)},set:function(t){t=this._fromUnits(t),this._scaler.max=t}}),Object.defineProperty(t.LFO.prototype,"type",{get:function(){return this._oscillator.type},set:function(t){this._oscillator.type=t,this._stoppedValue=this._oscillator._getInitialValue(),this._stoppedSignal.value=this._stoppedValue}}),Object.defineProperty(t.LFO.prototype,"phase",{get:function(){return this._oscillator.phase},set:function(t){this._oscillator.phase=t,this._stoppedValue=this._oscillator._getInitialValue(),this._stoppedSignal.value=this._stoppedValue}}),Object.defineProperty(t.LFO.prototype,"units",{get:function(){return this._units},set:function(t){var e=this.min,i=this.max;this._units=t,this.min=e,this.max=i}}),Object.defineProperty(t.LFO.prototype,"mute",{get:function(){return this._oscillator.mute},set:function(t){this._oscillator.mute=t}}),Object.defineProperty(t.LFO.prototype,"state",{get:function(){return this._oscillator.state}}),t.LFO.prototype.connect=function(e){return(e.constructor===t.Signal||e.constructor===t.Param||e.constructor===t.TimelineSignal)&&(this.convert=e.convert,this.units=e.units),t.Signal.prototype.connect.apply(this,arguments),this},t.LFO.prototype._fromUnits=t.Param.prototype._fromUnits,t.LFO.prototype._toUnits=t.Param.prototype._toUnits,t.LFO.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["amplitude","frequency"]),this._oscillator.dispose(),this._oscillator=null,this._stoppedSignal.dispose(),this._stoppedSignal=null,this._zeros.dispose(),this._zeros=null,this._scaler.dispose(),this._scaler=null,this._a2g.dispose(),this._a2g=null,this.frequency=null,this.amplitude=null,this},t.LFO}),e(function(t){return t.Limiter=function(){var e=this.optionsObject(arguments,["threshold"],t.Limiter.defaults);this._compressor=this.input=this.output=new t.Compressor({attack:.001,decay:.001,threshold:e.threshold}),this.threshold=this._compressor.threshold,this._readOnly("threshold")},t.extend(t.Limiter),t.Limiter.defaults={threshold:-12},t.Limiter.prototype.dispose=function(){return t.prototype.dispose.call(this),this._compressor.dispose(),this._compressor=null,this._writable("threshold"),this.threshold=null,this},t.Limiter}),e(function(t){return t.LowpassCombFilter=function(){t.call(this);var e=this.optionsObject(arguments,["delayTime","resonance","dampening"],t.LowpassCombFilter.defaults);this._delay=this.input=this.context.createDelay(1),this.delayTime=new t.Signal(e.delayTime,t.Type.Time),this._lowpass=this.output=this.context.createBiquadFilter(),this._lowpass.Q.value=0,this._lowpass.type="lowpass",this.dampening=new t.Param({param:this._lowpass.frequency,units:t.Type.Frequency,value:e.dampening}),this._feedback=this.context.createGain(),this.resonance=new t.Param({param:this._feedback.gain,units:t.Type.NormalRange,value:e.resonance}),this._delay.chain(this._lowpass,this._feedback,this._delay),this.delayTime.connect(this._delay.delayTime),this._readOnly(["dampening","resonance","delayTime"])},t.extend(t.LowpassCombFilter),t.LowpassCombFilter.defaults={delayTime:.1,resonance:.5,dampening:3e3},t.LowpassCombFilter.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["dampening","resonance","delayTime"]),this.dampening.dispose(),this.dampening=null,this.resonance.dispose(),this.resonance=null,this._delay.disconnect(),this._delay=null,this._lowpass.disconnect(),this._lowpass=null,this._feedback.disconnect(),this._feedback=null,this.delayTime.dispose(),this.delayTime=null,this},t.LowpassCombFilter}),e(function(t){return t.Merge=function(){t.call(this,2,0),this.left=this.input[0]=this.context.createGain(),this.right=this.input[1]=this.context.createGain(),this._merger=this.output=this.context.createChannelMerger(2),this.left.connect(this._merger,0,0),this.right.connect(this._merger,0,1),this.left.channelCount=1,this.right.channelCount=1,this.left.channelCountMode="explicit",this.right.channelCountMode="explicit"},t.extend(t.Merge),t.Merge.prototype.dispose=function(){return t.prototype.dispose.call(this),this.left.disconnect(),this.left=null,this.right.disconnect(),this.right=null,this._merger.disconnect(),this._merger=null,this},t.Merge}),e(function(t){return t.Meter=function(){var e=this.optionsObject(arguments,["type","smoothing"],t.Meter.defaults);this.type=e.type,this.input=this.output=this._analyser=new t.Analyser("waveform",512),this._analyser.returnType="float",this.smoothing=e.smoothing,this._lastValue=0},t.extend(t.Meter),t.Meter.Type={Level:"level",Signal:"signal"},t.Meter.defaults={smoothing:.8,type:t.Meter.Type.Level},Object.defineProperty(t.Meter.prototype,"value",{get:function(){var e,i,s,n,o,r=this._analyser.analyse();if(this.type===t.Meter.Type.Level){for(e=0,i=0;i<r.length;i++)e+=Math.pow(r[i],2);return s=Math.sqrt(e/r.length),s=Math.max(s,this._lastValue*this.smoothing),this._lastValue=s,n=.35,o=s/n,Math.sqrt(o)}return r[0]}}),t.Meter.prototype.dispose=function(){return t.prototype.dispose.call(this),this._analyser.dispose(),this._analyser=null,this},t.Meter}),e(function(t){return t.Split=function(){t.call(this,0,2),this._splitter=this.input=this.context.createChannelSplitter(2),this.left=this.output[0]=this.context.createGain(),this.right=this.output[1]=this.context.createGain(),this._splitter.connect(this.left,0,0),this._splitter.connect(this.right,1,0)},t.extend(t.Split),t.Split.prototype.dispose=function(){return t.prototype.dispose.call(this),this._splitter.disconnect(),this.left.disconnect(),this.right.disconnect(),this.left=null,this.right=null,this._splitter=null,this},t.Split}),e(function(t){t.MidSideSplit=function(){t.call(this,0,2),this._split=this.input=new t.Split,this.mid=this.output[0]=new t.Expr("($0 + $1) * $2"),this.side=this.output[1]=new t.Expr("($0 - $1) * $2"),this._split.connect(this.mid,0,0),this._split.connect(this.mid,1,1),this._split.connect(this.side,0,0),this._split.connect(this.side,1,1),e.connect(this.mid,0,2),e.connect(this.side,0,2)},t.extend(t.MidSideSplit);var e=null;return t._initAudioContext(function(){e=new t.Signal(1/Math.sqrt(2))}),t.MidSideSplit.prototype.dispose=function(){return t.prototype.dispose.call(this),this.mid.dispose(),this.mid=null,this.side.dispose(),this.side=null,this._split.dispose(),this._split=null,this},t.MidSideSplit}),e(function(t){t.MidSideMerge=function(){t.call(this,2,0),this.mid=this.input[0]=this.context.createGain(),this._left=new t.Expr("($0 + $1) * $2"),this.side=this.input[1]=this.context.createGain(),this._right=new t.Expr("($0 - $1) * $2"),this._merge=this.output=new t.Merge,this.mid.connect(this._left,0,0),this.side.connect(this._left,0,1),this.mid.connect(this._right,0,0),this.side.connect(this._right,0,1),this._left.connect(this._merge,0,0),this._right.connect(this._merge,0,1),e.connect(this._left,0,2),e.connect(this._right,0,2)},t.extend(t.MidSideMerge);var e=null;return t._initAudioContext(function(){e=new t.Signal(1/Math.sqrt(2))}),t.MidSideMerge.prototype.dispose=function(){return t.prototype.dispose.call(this),this.mid.disconnect(),this.mid=null,this.side.disconnect(),this.side=null,this._left.dispose(),this._left=null,this._right.dispose(),this._right=null,this._merge.dispose(),this._merge=null,this},t.MidSideMerge}),e(function(t){return t.MidSideCompressor=function(e){
+e=this.defaultArg(e,t.MidSideCompressor.defaults),this._midSideSplit=this.input=new t.MidSideSplit,this._midSideMerge=this.output=new t.MidSideMerge,this.mid=new t.Compressor(e.mid),this.side=new t.Compressor(e.side),this._midSideSplit.mid.chain(this.mid,this._midSideMerge.mid),this._midSideSplit.side.chain(this.side,this._midSideMerge.side),this._readOnly(["mid","side"])},t.extend(t.MidSideCompressor),t.MidSideCompressor.defaults={mid:{ratio:3,threshold:-24,release:.03,attack:.02,knee:16},side:{ratio:6,threshold:-30,release:.25,attack:.03,knee:10}},t.MidSideCompressor.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["mid","side"]),this.mid.dispose(),this.mid=null,this.side.dispose(),this.side=null,this._midSideSplit.dispose(),this._midSideSplit=null,this._midSideMerge.dispose(),this._midSideMerge=null,this},t.MidSideCompressor}),e(function(t){return t.Mono=function(){t.call(this,1,0),this._merge=this.output=new t.Merge,this.input.connect(this._merge,0,0),this.input.connect(this._merge,0,1),this.input.gain.value=this.dbToGain(-10)},t.extend(t.Mono),t.Mono.prototype.dispose=function(){return t.prototype.dispose.call(this),this._merge.dispose(),this._merge=null,this},t.Mono}),e(function(t){return t.MultibandCompressor=function(e){e=this.defaultArg(arguments,t.MultibandCompressor.defaults),this._splitter=this.input=new t.MultibandSplit({lowFrequency:e.lowFrequency,highFrequency:e.highFrequency}),this.lowFrequency=this._splitter.lowFrequency,this.highFrequency=this._splitter.highFrequency,this.output=this.context.createGain(),this.low=new t.Compressor(e.low),this.mid=new t.Compressor(e.mid),this.high=new t.Compressor(e.high),this._splitter.low.chain(this.low,this.output),this._splitter.mid.chain(this.mid,this.output),this._splitter.high.chain(this.high,this.output),this._readOnly(["high","mid","low","highFrequency","lowFrequency"])},t.extend(t.MultibandCompressor),t.MultibandCompressor.defaults={low:t.Compressor.defaults,mid:t.Compressor.defaults,high:t.Compressor.defaults,lowFrequency:250,highFrequency:2e3},t.MultibandCompressor.prototype.dispose=function(){return t.prototype.dispose.call(this),this._splitter.dispose(),this._writable(["high","mid","low","highFrequency","lowFrequency"]),this.low.dispose(),this.mid.dispose(),this.high.dispose(),this._splitter=null,this.low=null,this.mid=null,this.high=null,this.lowFrequency=null,this.highFrequency=null,this},t.MultibandCompressor}),e(function(t){return t.Panner=function(e){t.call(this),this._hasStereoPanner?(this._panner=this.input=this.output=this.context.createStereoPanner(),this.pan=this._panner.pan):(this._crossFade=new t.CrossFade,this._merger=this.output=new t.Merge,this._splitter=this.input=new t.Split,this.pan=new t.Signal(0,t.Type.AudioRange),this._zero=new t.Zero,this._a2g=new t.AudioToGain,this._zero.connect(this._a2g),this.pan.chain(this._a2g,this._crossFade.fade),this._splitter.connect(this._crossFade,0,0),this._splitter.connect(this._crossFade,1,1),this._crossFade.a.connect(this._merger,0,0),this._crossFade.b.connect(this._merger,0,1)),this.pan.value=this.defaultArg(e,0),this._readOnly("pan")},t.extend(t.Panner),t.Panner.prototype._hasStereoPanner=t.prototype.isFunction(t.context.createStereoPanner),t.Panner.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable("pan"),this._hasStereoPanner?(this._panner.disconnect(),this._panner=null,this.pan=null):(this._zero.dispose(),this._zero=null,this._crossFade.dispose(),this._crossFade=null,this._splitter.dispose(),this._splitter=null,this._merger.dispose(),this._merger=null,this.pan.dispose(),this.pan=null,this._a2g.dispose(),this._a2g=null),this},t.Panner}),e(function(t){return t.PanVol=function(){var e=this.optionsObject(arguments,["pan","volume"],t.PanVol.defaults);this._panner=this.input=new t.Panner(e.pan),this.pan=this._panner.pan,this._volume=this.output=new t.Volume(e.volume),this.volume=this._volume.volume,this._panner.connect(this._volume),this._readOnly(["pan","volume"])},t.extend(t.PanVol),t.PanVol.defaults={pan:.5,volume:0},t.PanVol.prototype.dispose=function(){return t.prototype.dispose.call(this),this._writable(["pan","volume"]),this._panner.dispose(),this._panner=null,this.pan=null,this._volume.dispose(),this._volume=null,this.volume=null,this},t.PanVol}),e(function(t){return t.CtrlInterpolate=function(){var e=this.optionsObject(arguments,["values","index"],t.CtrlInterpolate.defaults);this.values=e.values,this.index=e.index},t.extend(t.CtrlInterpolate),t.CtrlInterpolate.defaults={index:0,values:[]},Object.defineProperty(t.CtrlInterpolate.prototype,"value",{get:function(){var t,e,i,s=this.index;return s=Math.min(s,this.values.length-1),t=Math.floor(s),e=this.values[t],i=this.values[Math.ceil(s)],this._interpolate(s-t,e,i)}}),t.CtrlInterpolate.prototype._interpolate=function(t,e,i){var s,n,o,r;if(this.isArray(e)){for(s=[],n=0;n<e.length;n++)s[n]=this._interpolate(t,e[n],i[n]);return s}if(this.isObject(e)){o={};for(r in e)o[r]=this._interpolate(t,e[r],i[r]);return o}return e=this._toNumber(e),i=this._toNumber(i),(1-t)*e+t*i},t.CtrlInterpolate.prototype._toNumber=function(t){return this.isNumber(t)?t:this.toSeconds(t)},t.CtrlInterpolate.prototype.dispose=function(){this.values=null},t.CtrlInterpolate}),e(function(t){return t.CtrlMarkov=function(t,e){this.values=this.defaultArg(t,{}),this.value=this.defaultArg(e,Object.keys(this.values)[0])},t.extend(t.CtrlMarkov),t.CtrlMarkov.prototype.next=function(){var t,e,i,s,n,o,r;if(this.values.hasOwnProperty(this.value))if(t=this.values[this.value],this.isArray(t))for(e=this._getProbDistribution(t),i=Math.random(),s=0,n=0;n<e.length;n++)o=e[n],i>s&&s+o>i&&(r=t[n],this.value=this.isObject(r)?r.value:r),s+=o;else this.value=t;return this.value},t.CtrlMarkov.prototype._getProbDistribution=function(t){var e,i,s,n=[],o=0,r=!1;for(e=0;e<t.length;e++)i=t[e],this.isObject(i)?(r=!0,n[e]=i.probability):n[e]=1/t.length,o+=n[e];if(r)for(s=0;s<n.length;s++)n[s]=n[s]/o;return n},t.CtrlMarkov.prototype.dispose=function(){this.values=null},t.CtrlMarkov}),e(function(t){return t.CtrlPattern=function(){var e=this.optionsObject(arguments,["values","type"],t.CtrlPattern.defaults);this.values=e.values,this.index=0,this._type=null,this._shuffled=null,this._direction=null,this.type=e.type},t.extend(t.CtrlPattern),t.CtrlPattern.Type={Up:"up",Down:"down",UpDown:"upDown",DownUp:"downUp",AlternateUp:"alternateUp",AlternateDown:"alternateDown",Random:"random",RandomWalk:"randomWalk",RandomOnce:"randomOnce"},t.CtrlPattern.defaults={type:t.CtrlPattern.Type.Up,values:[]},Object.defineProperty(t.CtrlPattern.prototype,"value",{get:function(){if(0!==this.values.length){if(1===this.values.length)return this.values[0];this.index=Math.min(this.index,this.values.length-1);var e=this.values[this.index];return this.type===t.CtrlPattern.Type.RandomOnce&&(this.values.length!==this._shuffled.length&&this._shuffleValues(),e=this.values[this._shuffled[this.index]]),e}}}),Object.defineProperty(t.CtrlPattern.prototype,"type",{get:function(){return this._type},set:function(e){this._type=e,this._shuffled=null,this._type===t.CtrlPattern.Type.Up||this._type===t.CtrlPattern.Type.UpDown||this._type===t.CtrlPattern.Type.RandomOnce||this._type===t.CtrlPattern.Type.AlternateUp?this.index=0:(this._type===t.CtrlPattern.Type.Down||this._type===t.CtrlPattern.Type.DownUp||this._type===t.CtrlPattern.Type.AlternateDown)&&(this.index=this.values.length-1),this._type===t.CtrlPattern.Type.UpDown||this._type===t.CtrlPattern.Type.AlternateUp?this._direction=t.CtrlPattern.Type.Up:(this._type===t.CtrlPattern.Type.DownUp||this._type===t.CtrlPattern.Type.AlternateDown)&&(this._direction=t.CtrlPattern.Type.Down),this._type===t.CtrlPattern.Type.RandomOnce?this._shuffleValues():this._type===t.CtrlPattern.Random&&(this.index=Math.floor(Math.random()*this.values.length))}}),t.CtrlPattern.prototype.next=function(){var e=this.type;return e===t.CtrlPattern.Type.Up?(this.index++,this.index>=this.values.length&&(this.index=0)):e===t.CtrlPattern.Type.Down?(this.index--,this.index<0&&(this.index=this.values.length-1)):e===t.CtrlPattern.Type.UpDown||e===t.CtrlPattern.Type.DownUp?(this._direction===t.CtrlPattern.Type.Up?this.index++:this.index--,this.index<0?(this.index=1,this._direction=t.CtrlPattern.Type.Up):this.index>=this.values.length&&(this.index=this.values.length-2,this._direction=t.CtrlPattern.Type.Down)):e===t.CtrlPattern.Type.Random?this.index=Math.floor(Math.random()*this.values.length):e===t.CtrlPattern.Type.RandomWalk?Math.random()<.5?(this.index--,this.index=Math.max(this.index,0)):(this.index++,this.index=Math.min(this.index,this.values.length-1)):e===t.CtrlPattern.Type.RandomOnce?(this.index++,this.index>=this.values.length&&(this.index=0,this._shuffleValues())):e===t.CtrlPattern.Type.AlternateUp?(this._direction===t.CtrlPattern.Type.Up?(this.index+=2,this._direction=t.CtrlPattern.Type.Down):(this.index-=1,this._direction=t.CtrlPattern.Type.Up),this.index>=this.values.length&&(this.index=0,this._direction=t.CtrlPattern.Type.Up)):e===t.CtrlPattern.Type.AlternateDown&&(this._direction===t.CtrlPattern.Type.Up?(this.index+=1,this._direction=t.CtrlPattern.Type.Down):(this.index-=2,this._direction=t.CtrlPattern.Type.Up),this.index<0&&(this.index=this.values.length-1,this._direction=t.CtrlPattern.Type.Down)),this.value},t.CtrlPattern.prototype._shuffleValues=function(){var t,e,i=[];for(this._shuffled=[],t=0;t<this.values.length;t++)i[t]=t;for(;i.length>0;)e=i.splice(Math.floor(i.length*Math.random()),1),this._shuffled.push(e[0])},t.CtrlPattern.prototype.dispose=function(){this._shuffled=null,this.values=null},t.CtrlPattern}),e(function(t){return t.CtrlRandom=function(){var e=this.optionsObject(arguments,["min","max"],t.CtrlRandom.defaults);this.min=e.min,this.max=e.max,this.integer=e.integer},t.extend(t.CtrlRandom),t.CtrlRandom.defaults={min:0,max:1,integer:!1},Object.defineProperty(t.CtrlRandom.prototype,"value",{get:function(){var t=this.toSeconds(this.min),e=this.toSeconds(this.max),i=Math.random(),s=i*t+(1-i)*e;return this.integer&&(s=Math.floor(s)),s}}),t.CtrlRandom}),e(function(t){return t.Buffer=function(){var e=this.optionsObject(arguments,["url","onload"],t.Buffer.defaults);this._buffer=null,this._reversed=e.reverse,this.url=void 0,this.loaded=!1,this.onload=e.onload.bind(this,this),e.url instanceof AudioBuffer||e.url instanceof t.Buffer?(this.set(e.url),this.onload(this)):this.isString(e.url)&&(this.url=e.url,t.Buffer._addToQueue(e.url,this))},t.extend(t.Buffer),t.Buffer.defaults={url:void 0,onload:t.noOp,reverse:!1},t.Buffer.prototype.set=function(e){return this._buffer=e instanceof t.Buffer?e.get():e,this.loaded=!0,this},t.Buffer.prototype.get=function(){return this._buffer},t.Buffer.prototype.load=function(e,i){return this.url=e,this.onload=this.defaultArg(i,this.onload),t.Buffer._addToQueue(e,this),this},t.Buffer.prototype.dispose=function(){return t.prototype.dispose.call(this),t.Buffer._removeFromQueue(this),this._buffer=null,this.onload=t.Buffer.defaults.onload,this},Object.defineProperty(t.Buffer.prototype,"duration",{get:function(){return this._buffer?this._buffer.duration:0}}),t.Buffer.prototype._reverse=function(){if(this.loaded)for(var t=0;t<this._buffer.numberOfChannels;t++)Array.prototype.reverse.call(this._buffer.getChannelData(t));return this},Object.defineProperty(t.Buffer.prototype,"reverse",{get:function(){return this._reversed},set:function(t){this._reversed!==t&&(this._reversed=t,this._reverse())}}),t.Emitter.mixin(t.Buffer),t.Buffer._queue=[],t.Buffer._currentDownloads=[],t.Buffer._totalDownloads=0,t.Buffer.MAX_SIMULTANEOUS_DOWNLOADS=6,t.Buffer._addToQueue=function(e,i){t.Buffer._queue.push({url:e,Buffer:i,progress:0,xhr:null}),this._totalDownloads++,t.Buffer._next()},t.Buffer._removeFromQueue=function(e){var i,s,n;for(i=0;i<t.Buffer._queue.length;i++)s=t.Buffer._queue[i],s.Buffer===e&&t.Buffer._queue.splice(i,1);for(i=0;i<t.Buffer._currentDownloads.length;i++)n=t.Buffer._currentDownloads[i],n.Buffer===e&&(t.Buffer._currentDownloads.splice(i,1),n.xhr.abort(),n.xhr.onprogress=null,n.xhr.onload=null,n.xhr.onerror=null)},t.Buffer._next=function(){if(t.Buffer._queue.length>0){if(t.Buffer._currentDownloads.length<t.Buffer.MAX_SIMULTANEOUS_DOWNLOADS){var e=t.Buffer._queue.shift();t.Buffer._currentDownloads.push(e),e.xhr=t.Buffer.load(e.url,function(i){var s=t.Buffer._currentDownloads.indexOf(e);t.Buffer._currentDownloads.splice(s,1),e.Buffer.set(i),e.Buffer._reversed&&e.Buffer._reverse(),e.Buffer.onload(e.Buffer),t.Buffer._onprogress(),t.Buffer._next()}),e.xhr.onprogress=function(i){e.progress=i.loaded/i.total,t.Buffer._onprogress()},e.xhr.onerror=function(e){t.Buffer.trigger("error",e)}}}else 0===t.Buffer._currentDownloads.length&&(t.Buffer.trigger("load"),t.Buffer._totalDownloads=0)},t.Buffer._onprogress=function(){var e,i,s,n,o=0,r=t.Buffer._currentDownloads.length,a=0;if(r>0){for(e=0;r>e;e++)i=t.Buffer._currentDownloads[e],o+=i.progress;a=o}s=r-a,n=t.Buffer._totalDownloads-t.Buffer._queue.length-s,t.Buffer.trigger("progress",n/t.Buffer._totalDownloads)},t.Buffer.baseUrl="",t.Buffer.load=function(e,i){var s=new XMLHttpRequest;return s.open("GET",t.Buffer.baseUrl+e,!0),s.responseType="arraybuffer",s.onload=function(){t.context.decodeAudioData(s.response,function(t){i(t)},function(){throw new Error("Tone.Buffer: could not decode audio data:"+e)})},s.send(),s},t.Buffer.supportsType=function(t){var e,i=t.split(".");return i=i[i.length-1],e=document.createElement("audio").canPlayType("audio/"+i),""!==e},t.Buffer}),e(function(t){return t.Buffers=function(t,e,i){this._buffers={},this.baseUrl=this.defaultArg(i,""),t=this._flattenUrls(t),this._loadingCount=0;for(var s in t)this._loadingCount++,this.add(s,t[s],this._bufferLoaded.bind(this,e))},t.extend(t.Buffers),t.Buffers.prototype.get=function(t){if(this._buffers.hasOwnProperty(t))return this._buffers[t];throw new Error("Tone.Buffers: no buffer named"+t)},t.Buffers.prototype._bufferLoaded=function(t){this._loadingCount--,0===this._loadingCount&&t&&t(this)},t.Buffers.prototype.add=function(e,i,s){return s=this.defaultArg(s,t.noOp),i instanceof t.Buffer?(this._buffers[e]=i,s(this)):i instanceof AudioBuffer?(this._buffers[e]=new t.Buffer(i),s(this)):this.isString(i)&&(this._buffers[e]=new t.Buffer(this.baseUrl+i,s)),this},t.Buffers.prototype._flattenUrls=function(t){var e,i,s,n={};for(e in t)if(t.hasOwnProperty(e))if(this.isObject(t[e])){i=this._flattenUrls(t[e]);for(s in i)i.hasOwnProperty(s)&&(n[e+"."+s]=i[s])}else n[e]=t[e];return n},t.Buffers.prototype.dispose=function(){for(var t in this._buffers)this._buffers[t].dispose();return this._buffers=null,this},t.Buffers}),e(function(t){var e={};return t.prototype.send=function(t,i){e.hasOwnProperty(t)||(e[t]=this.context.createGain());var s=this.context.createGain();return s.gain.value=this.dbToGain(this.defaultArg(i,1)),this.output.chain(s,e[t]),s},t.prototype.receive=function(t,i){return e.hasOwnProperty(t)||(e[t]=this.context.createGain()),this.isUndef(i)&&(i=this.input),e[t].connect(i),this},t}),e(function(t){return t.Delay=function(){var e=this.optionsObject(arguments,["delayTime","maxDelay"],t.Delay.defaults);this._delayNode=this.input=this.output=this.context.createDelay(this.toSeconds(e.maxDelay)),this.delayTime=new t.Param({param:this._delayNode.delayTime,units:t.Type.Time,value:e.delayTime}),this._readOnly("delayTime")},t.extend(t.Delay),t.Delay.defaults={maxDelay:1,delayTime:0},t.Delay.prototype.dispose=function(){return t.Param.prototype.dispose.call(this),this._delayNode.disconnect(),this._delayNode=null,this._writable("delayTime"),this.delayTime=null,this},t.Delay}),e(function(t){return t.Event=function(){var e=this.optionsObject(arguments,["callback","value"],t.Event.defaults);this._loop=e.loop,this.callback=e.callback,this.value=e.value,this._loopStart=this.toTicks(e.loopStart),this._loopEnd=this.toTicks(e.loopEnd),this._state=new t.TimelineState(t.State.Stopped),this._playbackRate=1,this._startOffset=0,this.probability=e.probability,this.humanize=e.humanize,this.mute=e.mute,this.playbackRate=e.playbackRate},t.extend(t.Event),t.Event.defaults={callback:t.noOp,loop:!1,loopEnd:"1m",loopStart:0,playbackRate:1,value:null,probability:1,mute:!1,humanize:!1},t.Event.prototype._rescheduleEvents=function(e){return e=this.defaultArg(e,-1),this._state.forEachFrom(e,function(e){var i,s,n,o;e.state===t.State.Started&&(this.isUndef(e.id)||t.Transport.clear(e.id),s=e.time+Math.round(this.startOffset/this._playbackRate),this._loop?(i=1/0,this.isNumber(this._loop)&&(i=this._loop*this._getLoopDuration()),n=this._state.getEventAfter(s),null!==n&&(i=Math.min(i,n.time-s)),i!==1/0&&(this._state.setStateAtTime(t.State.Stopped,s+i+1),i=t.Time(i,"i")),o=t.Time(this._getLoopDuration(),"i"),e.id=t.Transport.scheduleRepeat(this._tick.bind(this),o,t.TransportTime(s,"i"),i)):e.id=t.Transport.schedule(this._tick.bind(this),s+"i"))}.bind(this)),this},Object.defineProperty(t.Event.prototype,"state",{get:function(){return this._state.getStateAtTime(t.Transport.ticks)}}),Object.defineProperty(t.Event.prototype,"startOffset",{get:function(){return this._startOffset},set:function(t){this._startOffset=t}}),t.Event.prototype.start=function(e){return e=this.toTicks(e),this._state.getStateAtTime(e)===t.State.Stopped&&(this._state.addEvent({state:t.State.Started,time:e,id:void 0}),this._rescheduleEvents(e)),this},t.Event.prototype.stop=function(e){var i,s;return this.cancel(e),e=this.toTicks(e),this._state.getStateAtTime(e)===t.State.Started&&(this._state.setStateAtTime(t.State.Stopped,e),i=this._state.getEventBefore(e),s=e,null!==i&&(s=i.time),this._rescheduleEvents(s)),this},t.Event.prototype.cancel=function(e){return e=this.defaultArg(e,-(1/0)),e=this.toTicks(e),this._state.forEachFrom(e,function(e){t.Transport.clear(e.id)}),this._state.cancel(e),this},t.Event.prototype._tick=function(e){if(!this.mute&&this._state.getStateAtTime(t.Transport.ticks)===t.State.Started){if(this.probability<1&&Math.random()>this.probability)return;if(this.humanize){var i=.02;this.isBoolean(this.humanize)||(i=this.toSeconds(this.humanize)),e+=(2*Math.random()-1)*i}this.callback(e,this.value)}},t.Event.prototype._getLoopDuration=function(){return Math.round((this._loopEnd-this._loopStart)/this._playbackRate)},Object.defineProperty(t.Event.prototype,"loop",{get:function(){return this._loop},set:function(t){this._loop=t,this._rescheduleEvents()}}),Object.defineProperty(t.Event.prototype,"playbackRate",{get:function(){return this._playbackRate},set:function(t){this._playbackRate=t,this._rescheduleEvents()}}),Object.defineProperty(t.Event.prototype,"loopEnd",{get:function(){return t.TransportTime(this._loopEnd,"i").toNotation()},set:function(t){this._loopEnd=this.toTicks(t),this._loop&&this._rescheduleEvents()}}),Object.defineProperty(t.Event.prototype,"loopStart",{get:function(){return t.TransportTime(this._loopStart,"i").toNotation()},set:function(t){this._loopStart=this.toTicks(t),this._loop&&this._rescheduleEvents()}}),Object.defineProperty(t.Event.prototype,"progress",{get:function(){var e,i,s,n;return this._loop?(e=t.Transport.ticks,i=this._state.getEvent(e),null!==i&&i.state===t.State.Started?(s=this._getLoopDuration(),n=(e-i.time)%s,n/s):0):0}}),t.Event.prototype.dispose=function(){this.cancel(),this._state.dispose(),this._state=null,this.callback=null,this.value=null},t.Event}),e(function(t){return t.Loop=function(){var e=this.optionsObject(arguments,["callback","interval"],t.Loop.defaults);this._event=new t.Event({callback:this._tick.bind(this),loop:!0,loopEnd:e.interval,playbackRate:e.playbackRate,probability:e.probability}),this.callback=e.callback,this.iterations=e.iterations},t.extend(t.Loop),t.Loop.defaults={interval:"4n",callback:t.noOp,playbackRate:1,iterations:1/0,probability:!0,mute:!1},t.Loop.prototype.start=function(t){return this._event.start(t),this},t.Loop.prototype.stop=function(t){return this._event.stop(t),this},t.Loop.prototype.cancel=function(t){return this._event.cancel(t),this},t.Loop.prototype._tick=function(t){this.callback(t)},Object.defineProperty(t.Loop.prototype,"state",{get:function(){return this._event.state}}),Object.defineProperty(t.Loop.prototype,"progress",{get:function(){return this._event.progress}}),Object.defineProperty(t.Loop.prototype,"interval",{get:function(){return this._event.loopEnd},set:function(t){this._event.loopEnd=t}}),Object.defineProperty(t.Loop.prototype,"playbackRate",{get:function(){return this._event.playbackRate},set:function(t){this._event.playbackRate=t}}),Object.defineProperty(t.Loop.prototype,"humanize",{get:function(){return this._event.humanize},set:function(t){this._event.humanize=t}}),Object.defineProperty(t.Loop.prototype,"probability",{get:function(){return this._event.probability},set:function(t){this._event.probability=t}}),Object.defineProperty(t.Loop.prototype,"mute",{get:function(){return this._event.mute},set:function(t){this._event.mute=t}}),Object.defineProperty(t.Loop.prototype,"iterations",{get:function(){return this._event.loop===!0?1/0:this._event.loop},set:function(t){this._event.loop=t===1/0?!0:t}}),t.Loop.prototype.dispose=function(){this._event.dispose(),this._event=null,this.callback=null},t.Loop}),e(function(t){return t.Part=function(){var e,i,s=this.optionsObject(arguments,["callback","events"],t.Part.defaults);if(this._loop=s.loop,this._loopStart=this.toTicks(s.loopStart),this._loopEnd=this.toTicks(s.loopEnd),this._playbackRate=s.playbackRate,this._probability=s.probability,this._humanize=s.humanize,this._startOffset=0,this._state=new t.TimelineState(t.State.Stopped),this._events=[],this.callback=s.callback,this.mute=s.mute,e=this.defaultArg(s.events,[]),!this.isUndef(s.events))for(i=0;i<e.length;i++)Array.isArray(e[i])?this.add(e[i][0],e[i][1]):this.add(e[i])},t.extend(t.Part,t.Event),t.Part.defaults={callback:t.noOp,loop:!1,loopEnd:"1m",loopStart:0,playbackRate:1,probability:1,humanize:!1,mute:!1},t.Part.prototype.start=function(e,i){var s=this.toTicks(e);return this._state.getStateAtTime(s)!==t.State.Started&&(i=this._loop?this.defaultArg(i,this._loopStart):this.defaultArg(i,0),i=this.toTicks(i),this._state.addEvent({state:t.State.Started,time:s,offset:i}),this._forEach(function(t){this._startNote(t,s,i)})),this},t.Part.prototype._startNote=function(e,i,s){i-=s,this._loop?e.startOffset>=this._loopStart&&e.startOffset<this._loopEnd?(e.startOffset<s&&(i+=this._getLoopDuration()),e.start(t.TransportTime(i,"i"))):e.startOffset<this._loopStart&&e.startOffset>=s&&(e.loop=!1,e.start(t.TransportTime(i,"i"))):e.startOffset>=s&&e.start(t.TransportTime(i,"i"))},Object.defineProperty(t.Part.prototype,"startOffset",{get:function(){return this._startOffset},set:function(t){this._startOffset=t,this._forEach(function(t){t.startOffset+=this._startOffset})}}),t.Part.prototype.stop=function(e){var i=this.toTicks(e);return this._state.cancel(i),this._state.setStateAtTime(t.State.Stopped,i),this._forEach(function(t){t.stop(e)}),this},t.Part.prototype.at=function(e,i){var s,n,o;for(e=t.TransportTime(e),s=t.Time(1,"i").toSeconds(),n=0;n<this._events.length;n++)if(o=this._events[n],Math.abs(e.toTicks()-o.startOffset)<s)return this.isUndef(i)||(o.value=i),o;return this.isUndef(i)?null:(this.add(e,i),this._events[this._events.length-1])},t.Part.prototype.add=function(e,i){this.isObject(e)&&e.hasOwnProperty("time")&&(i=e,e=i.time,delete i.time),e=this.toTicks(e);var s;return i instanceof t.Event?(s=i,s.callback=this._tick.bind(this)):s=new t.Event({callback:this._tick.bind(this),value:i}),s.startOffset=e,s.set({loopEnd:this.loopEnd,loopStart:this.loopStart,loop:this.loop,humanize:this.humanize,playbackRate:this.playbackRate,probability:this.probability}),this._events.push(s),this._restartEvent(s),this},t.Part.prototype._restartEvent=function(e){var i=this._state.getEvent(this.now());i&&i.state===t.State.Started&&this._startNote(e,i.time,i.offset)},t.Part.prototype.remove=function(e,i){var s,n;for(this.isObject(e)&&e.hasOwnProperty("time")&&(i=e,e=i.time),e=this.toTicks(e),s=this._events.length-1;s>=0;s--)n=this._events[s],n instanceof t.Part?n.remove(e,i):n.startOffset===e&&(this.isUndef(i)||!this.isUndef(i)&&n.value===i)&&(this._events.splice(s,1),n.dispose());return this},t.Part.prototype.removeAll=function(){return this._forEach(function(t){t.dispose()}),this._events=[],this},t.Part.prototype.cancel=function(t){return this._forEach(function(e){e.cancel(t)}),this._state.cancel(t),this},t.Part.prototype._forEach=function(e,i){var s,n;for(i=this.defaultArg(i,this),s=this._events.length-1;s>=0;s--)n=this._events[s],n instanceof t.Part?n._forEach(e,i):e.call(i,n);return this},t.Part.prototype._setAll=function(t,e){this._forEach(function(i){i[t]=e})},t.Part.prototype._tick=function(t,e){this.mute||this.callback(t,e)},t.Part.prototype._testLoopBoundries=function(e){e.startOffset<this._loopStart||e.startOffset>=this._loopEnd?e.cancel():e.state===t.State.Stopped&&this._restartEvent(e)},Object.defineProperty(t.Part.prototype,"probability",{get:function(){return this._probability},set:function(t){this._probability=t,this._setAll("probability",t)}}),Object.defineProperty(t.Part.prototype,"humanize",{get:function(){return this._humanize},set:function(t){this._humanize=t,this._setAll("humanize",t)}}),Object.defineProperty(t.Part.prototype,"loop",{get:function(){return this._loop},set:function(t){this._loop=t,this._forEach(function(e){e._loopStart=this._loopStart,e._loopEnd=this._loopEnd,e.loop=t,this._testLoopBoundries(e)})}}),Object.defineProperty(t.Part.prototype,"loopEnd",{get:function(){return t.TransportTime(this._loopEnd,"i").toNotation()},set:function(t){this._loopEnd=this.toTicks(t),this._loop&&this._forEach(function(t){t.loopEnd=this.loopEnd,this._testLoopBoundries(t)})}}),Object.defineProperty(t.Part.prototype,"loopStart",{get:function(){return t.TransportTime(this._loopStart,"i").toNotation()},set:function(t){this._loopStart=this.toTicks(t),this._loop&&this._forEach(function(t){t.loopStart=this.loopStart,this._testLoopBoundries(t)})}}),Object.defineProperty(t.Part.prototype,"playbackRate",{get:function(){return this._playbackRate},set:function(t){this._playbackRate=t,this._setAll("playbackRate",t)}}),Object.defineProperty(t.Part.prototype,"length",{get:function(){return this._events.length}}),t.Part.prototype.dispose=function(){return this.removeAll(),this._state.dispose(),this._state=null,this.callback=null,this._events=null,this},t.Part}),e(function(t){return t.Pattern=function(){var e=this.optionsObject(arguments,["callback","values","pattern"],t.Pattern.defaults);t.Loop.call(this,e),this._pattern=new t.CtrlPattern({values:e.values,type:e.pattern,index:e.index})},t.extend(t.Pattern,t.Loop),t.Pattern.defaults={pattern:t.CtrlPattern.Type.Up,values:[]},t.Pattern.prototype._tick=function(t){this.callback(t,this._pattern.value),this._pattern.next()},Object.defineProperty(t.Pattern.prototype,"index",{get:function(){return this._pattern.index},set:function(t){this._pattern.index=t}}),Object.defineProperty(t.Pattern.prototype,"values",{get:function(){return this._pattern.values},set:function(t){this._pattern.values=t}}),Object.defineProperty(t.Pattern.prototype,"value",{get:function(){return this._pattern.value}}),Object.defineProperty(t.Pattern.prototype,"pattern",{get:function(){return this._pattern.type},set:function(t){this._pattern.type=t}}),t.Pattern.prototype.dispose=function(){t.Loop.prototype.dispose.call(this),this._pattern.dispose(),this._pattern=null},t.Pattern}),e(function(t){return t.Sequence=function(){var e,i=this.optionsObject(arguments,["callback","events","subdivision"],t.Sequence.defaults),s=i.events;if(delete i.events,t.Part.call(this,i),this._subdivision=this.toTicks(i.subdivision),this.isUndef(i.loopEnd)&&!this.isUndef(s)&&(this._loopEnd=s.length*this._subdivision),this._loop=!0,!this.isUndef(s))for(e=0;e<s.length;e++)this.add(e,s[e])},t.extend(t.Sequence,t.Part),t.Sequence.defaults={subdivision:"4n"},Object.defineProperty(t.Sequence.prototype,"subdivision",{get:function(){return t.Time(this._subdivision,"i").toNotation()}}),t.Sequence.prototype.at=function(e,i){return this.isArray(i)&&this.remove(e),t.Part.prototype.at.call(this,this._indexTime(e),i)},t.Sequence.prototype.add=function(e,i){if(null===i)return this;if(this.isArray(i)){var s=Math.round(this._subdivision/i.length);i=new t.Sequence(this._tick.bind(this),i,t.Time(s,"i"))}return t.Part.prototype.add.call(this,this._indexTime(e),i),this},t.Sequence.prototype.remove=function(e,i){return t.Part.prototype.remove.call(this,this._indexTime(e),i),this},t.Sequence.prototype._indexTime=function(e){return e instanceof t.TransportTime?e:t.TransportTime(e*this._subdivision+this.startOffset,"i")},t.Sequence.prototype.dispose=function(){return t.Part.prototype.dispose.call(this),this},t.Sequence}),e(function(t){return t.Effect=function(){t.call(this);var e=this.optionsObject(arguments,["wet"],t.Effect.defaults);this._dryWet=new t.CrossFade(e.wet),this.wet=this._dryWet.fade,this.effectSend=this.context.createGain(),this.effectReturn=this.context.createGain(),this.input.connect(this._dryWet.a),this.input.connect(this.effectSend),this.effectReturn.connect(this._dryWet.b),this._dryWet.connect(this.output),this._readOnly(["wet"])},t.extend(t.Effect),t.Effect.defaults={wet:1},t.Effect.prototype.connectEffect=function(t){return this.effectSend.chain(t,this.effectReturn),this},t.Effect.prototype.dispose=function(){return t.prototype.dispose.call(this),this._dryWet.dispose(),this._dryWet=null,this.effectSend.disconnect(),this.effectSend=null,this.effectReturn.disconnect(),this.effectReturn=null,this._writable(["wet"]),this.wet=null,this},t.Effect}),e(function(t){return t.AutoFilter=function(){var e=this.optionsObject(arguments,["frequency","baseFrequency","octaves"],t.AutoFilter.defaults);t.Effect.call(this,e),this._lfo=new t.LFO({frequency:e.frequency,amplitude:e.depth}),this.depth=this._lfo.amplitude,this.frequency=this._lfo.frequency,this.filter=new t.Filter(e.filter),this._octaves=0,this.connectEffect(this.filter),this._lfo.connect(this.filter.frequency),this.type=e.type,this._readOnly(["frequency","depth"]),this.octaves=e.octaves,this.baseFrequency=e.baseFrequency},t.extend(t.AutoFilter,t.Effect),t.AutoFilter.defaults={frequency:1,type:"sine",depth:1,baseFrequency:200,octaves:2.6,filter:{type:"lowpass",rolloff:-12,Q:1}},t.AutoFilter.prototype.start=function(t){return this._lfo.start(t),this},t.AutoFilter.prototype.stop=function(t){return this._lfo.stop(t),this},t.AutoFilter.prototype.sync=function(t){return this._lfo.sync(t),this},t.AutoFilter.prototype.unsync=function(){return this._lfo.unsync(),this},Object.defineProperty(t.AutoFilter.prototype,"type",{get:function(){return this._lfo.type},set:function(t){this._lfo.type=t}}),Object.defineProperty(t.AutoFilter.prototype,"baseFrequency",{get:function(){return this._lfo.min},set:function(t){this._lfo.min=this.toFrequency(t)}}),Object.defineProperty(t.AutoFilter.prototype,"octaves",{get:function(){return this._octaves},set:function(t){this._octaves=t,this._lfo.max=this.baseFrequency*Math.pow(2,t)}}),t.AutoFilter.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._lfo.dispose(),this._lfo=null,this.filter.dispose(),this.filter=null,this._writable(["frequency","depth"]),this.frequency=null,this.depth=null,this},t.AutoFilter}),e(function(t){return t.AutoPanner=function(){var e=this.optionsObject(arguments,["frequency"],t.AutoPanner.defaults);t.Effect.call(this,e),this._lfo=new t.LFO({frequency:e.frequency,amplitude:e.depth,min:0,max:1}),this.depth=this._lfo.amplitude,this._panner=new t.Panner,this.frequency=this._lfo.frequency,this.connectEffect(this._panner),this._lfo.connect(this._panner.pan),this.type=e.type,this._readOnly(["depth","frequency"])},t.extend(t.AutoPanner,t.Effect),t.AutoPanner.defaults={frequency:1,type:"sine",depth:1},t.AutoPanner.prototype.start=function(t){return this._lfo.start(t),this},t.AutoPanner.prototype.stop=function(t){return this._lfo.stop(t),
+this},t.AutoPanner.prototype.sync=function(t){return this._lfo.sync(t),this},t.AutoPanner.prototype.unsync=function(){return this._lfo.unsync(),this},Object.defineProperty(t.AutoPanner.prototype,"type",{get:function(){return this._lfo.type},set:function(t){this._lfo.type=t}}),t.AutoPanner.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._lfo.dispose(),this._lfo=null,this._panner.dispose(),this._panner=null,this._writable(["depth","frequency"]),this.frequency=null,this.depth=null,this},t.AutoPanner}),e(function(t){return t.AutoWah=function(){var e=this.optionsObject(arguments,["baseFrequency","octaves","sensitivity"],t.AutoWah.defaults);t.Effect.call(this,e),this.follower=new t.Follower(e.follower),this._sweepRange=new t.ScaleExp(0,1,.5),this._baseFrequency=e.baseFrequency,this._octaves=e.octaves,this._inputBoost=this.context.createGain(),this._bandpass=new t.Filter({rolloff:-48,frequency:0,Q:e.Q}),this._peaking=new t.Filter(0,"peaking"),this._peaking.gain.value=e.gain,this.gain=this._peaking.gain,this.Q=this._bandpass.Q,this.effectSend.chain(this._inputBoost,this.follower,this._sweepRange),this._sweepRange.connect(this._bandpass.frequency),this._sweepRange.connect(this._peaking.frequency),this.effectSend.chain(this._bandpass,this._peaking,this.effectReturn),this._setSweepRange(),this.sensitivity=e.sensitivity,this._readOnly(["gain","Q"])},t.extend(t.AutoWah,t.Effect),t.AutoWah.defaults={baseFrequency:100,octaves:6,sensitivity:0,Q:2,gain:2,follower:{attack:.3,release:.5}},Object.defineProperty(t.AutoWah.prototype,"octaves",{get:function(){return this._octaves},set:function(t){this._octaves=t,this._setSweepRange()}}),Object.defineProperty(t.AutoWah.prototype,"baseFrequency",{get:function(){return this._baseFrequency},set:function(t){this._baseFrequency=t,this._setSweepRange()}}),Object.defineProperty(t.AutoWah.prototype,"sensitivity",{get:function(){return this.gainToDb(1/this._inputBoost.gain.value)},set:function(t){this._inputBoost.gain.value=1/this.dbToGain(t)}}),t.AutoWah.prototype._setSweepRange=function(){this._sweepRange.min=this._baseFrequency,this._sweepRange.max=Math.min(this._baseFrequency*Math.pow(2,this._octaves),this.context.sampleRate/2)},t.AutoWah.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this.follower.dispose(),this.follower=null,this._sweepRange.dispose(),this._sweepRange=null,this._bandpass.dispose(),this._bandpass=null,this._peaking.dispose(),this._peaking=null,this._inputBoost.disconnect(),this._inputBoost=null,this._writable(["gain","Q"]),this.gain=null,this.Q=null,this},t.AutoWah}),e(function(t){return t.BitCrusher=function(){var e,i=this.optionsObject(arguments,["bits"],t.BitCrusher.defaults);t.Effect.call(this,i),e=1/Math.pow(2,i.bits-1),this._subtract=new t.Subtract,this._modulo=new t.Modulo(e),this._bits=i.bits,this.effectSend.fan(this._subtract,this._modulo),this._modulo.connect(this._subtract,0,1),this._subtract.connect(this.effectReturn)},t.extend(t.BitCrusher,t.Effect),t.BitCrusher.defaults={bits:4},Object.defineProperty(t.BitCrusher.prototype,"bits",{get:function(){return this._bits},set:function(t){this._bits=t;var e=1/Math.pow(2,t-1);this._modulo.value=e}}),t.BitCrusher.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._subtract.dispose(),this._subtract=null,this._modulo.dispose(),this._modulo=null,this},t.BitCrusher}),e(function(t){return t.Chebyshev=function(){var e=this.optionsObject(arguments,["order"],t.Chebyshev.defaults);t.Effect.call(this,e),this._shaper=new t.WaveShaper(4096),this._order=e.order,this.connectEffect(this._shaper),this.order=e.order,this.oversample=e.oversample},t.extend(t.Chebyshev,t.Effect),t.Chebyshev.defaults={order:1,oversample:"none"},t.Chebyshev.prototype._getCoefficient=function(t,e,i){return i.hasOwnProperty(e)?i[e]:(i[e]=0===e?0:1===e?t:2*t*this._getCoefficient(t,e-1,i)-this._getCoefficient(t,e-2,i),i[e])},Object.defineProperty(t.Chebyshev.prototype,"order",{get:function(){return this._order},set:function(t){var e,i,s,n;for(this._order=t,e=new Array(4096),i=e.length,s=0;i>s;++s)n=2*s/i-1,e[s]=0===n?0:this._getCoefficient(n,t,{});this._shaper.curve=e}}),Object.defineProperty(t.Chebyshev.prototype,"oversample",{get:function(){return this._shaper.oversample},set:function(t){this._shaper.oversample=t}}),t.Chebyshev.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._shaper.dispose(),this._shaper=null,this},t.Chebyshev}),e(function(t){return t.StereoEffect=function(){t.call(this);var e=this.optionsObject(arguments,["wet"],t.Effect.defaults);this._dryWet=new t.CrossFade(e.wet),this.wet=this._dryWet.fade,this._split=new t.Split,this.effectSendL=this._split.left,this.effectSendR=this._split.right,this._merge=new t.Merge,this.effectReturnL=this._merge.left,this.effectReturnR=this._merge.right,this.input.connect(this._split),this.input.connect(this._dryWet,0,0),this._merge.connect(this._dryWet,0,1),this._dryWet.connect(this.output),this._readOnly(["wet"])},t.extend(t.StereoEffect,t.Effect),t.StereoEffect.prototype.dispose=function(){return t.prototype.dispose.call(this),this._dryWet.dispose(),this._dryWet=null,this._split.dispose(),this._split=null,this._merge.dispose(),this._merge=null,this.effectSendL=null,this.effectSendR=null,this.effectReturnL=null,this.effectReturnR=null,this._writable(["wet"]),this.wet=null,this},t.StereoEffect}),e(function(t){return t.FeedbackEffect=function(){var e=this.optionsObject(arguments,["feedback"]);e=this.defaultArg(e,t.FeedbackEffect.defaults),t.Effect.call(this,e),this.feedback=new t.Signal(e.feedback,t.Type.NormalRange),this._feedbackGain=this.context.createGain(),this.effectReturn.chain(this._feedbackGain,this.effectSend),this.feedback.connect(this._feedbackGain.gain),this._readOnly(["feedback"])},t.extend(t.FeedbackEffect,t.Effect),t.FeedbackEffect.defaults={feedback:.125},t.FeedbackEffect.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._writable(["feedback"]),this.feedback.dispose(),this.feedback=null,this._feedbackGain.disconnect(),this._feedbackGain=null,this},t.FeedbackEffect}),e(function(t){return t.StereoXFeedbackEffect=function(){var e=this.optionsObject(arguments,["feedback"],t.FeedbackEffect.defaults);t.StereoEffect.call(this,e),this.feedback=new t.Signal(e.feedback,t.Type.NormalRange),this._feedbackLR=this.context.createGain(),this._feedbackRL=this.context.createGain(),this.effectReturnL.chain(this._feedbackLR,this.effectSendR),this.effectReturnR.chain(this._feedbackRL,this.effectSendL),this.feedback.fan(this._feedbackLR.gain,this._feedbackRL.gain),this._readOnly(["feedback"])},t.extend(t.StereoXFeedbackEffect,t.FeedbackEffect),t.StereoXFeedbackEffect.prototype.dispose=function(){return t.StereoEffect.prototype.dispose.call(this),this._writable(["feedback"]),this.feedback.dispose(),this.feedback=null,this._feedbackLR.disconnect(),this._feedbackLR=null,this._feedbackRL.disconnect(),this._feedbackRL=null,this},t.StereoXFeedbackEffect}),e(function(t){return t.Chorus=function(){var e=this.optionsObject(arguments,["frequency","delayTime","depth"],t.Chorus.defaults);t.StereoXFeedbackEffect.call(this,e),this._depth=e.depth,this._delayTime=e.delayTime/1e3,this._lfoL=new t.LFO({frequency:e.frequency,min:0,max:1}),this._lfoR=new t.LFO({frequency:e.frequency,min:0,max:1,phase:180}),this._delayNodeL=this.context.createDelay(),this._delayNodeR=this.context.createDelay(),this.frequency=this._lfoL.frequency,this.effectSendL.chain(this._delayNodeL,this.effectReturnL),this.effectSendR.chain(this._delayNodeR,this.effectReturnR),this.effectSendL.connect(this.effectReturnL),this.effectSendR.connect(this.effectReturnR),this._lfoL.connect(this._delayNodeL.delayTime),this._lfoR.connect(this._delayNodeR.delayTime),this._lfoL.start(),this._lfoR.start(),this._lfoL.frequency.connect(this._lfoR.frequency),this.depth=this._depth,this.frequency.value=e.frequency,this.type=e.type,this._readOnly(["frequency"]),this.spread=e.spread},t.extend(t.Chorus,t.StereoXFeedbackEffect),t.Chorus.defaults={frequency:1.5,delayTime:3.5,depth:.7,feedback:.1,type:"sine",spread:180},Object.defineProperty(t.Chorus.prototype,"depth",{get:function(){return this._depth},set:function(t){this._depth=t;var e=this._delayTime*t;this._lfoL.min=Math.max(this._delayTime-e,0),this._lfoL.max=this._delayTime+e,this._lfoR.min=Math.max(this._delayTime-e,0),this._lfoR.max=this._delayTime+e}}),Object.defineProperty(t.Chorus.prototype,"delayTime",{get:function(){return 1e3*this._delayTime},set:function(t){this._delayTime=t/1e3,this.depth=this._depth}}),Object.defineProperty(t.Chorus.prototype,"type",{get:function(){return this._lfoL.type},set:function(t){this._lfoL.type=t,this._lfoR.type=t}}),Object.defineProperty(t.Chorus.prototype,"spread",{get:function(){return this._lfoR.phase-this._lfoL.phase},set:function(t){this._lfoL.phase=90-t/2,this._lfoR.phase=t/2+90}}),t.Chorus.prototype.dispose=function(){return t.StereoXFeedbackEffect.prototype.dispose.call(this),this._lfoL.dispose(),this._lfoL=null,this._lfoR.dispose(),this._lfoR=null,this._delayNodeL.disconnect(),this._delayNodeL=null,this._delayNodeR.disconnect(),this._delayNodeR=null,this._writable("frequency"),this.frequency=null,this},t.Chorus}),e(function(t){return t.Convolver=function(){var e=this.optionsObject(arguments,["url"],t.Convolver.defaults);t.Effect.call(this,e),this._convolver=this.context.createConvolver(),this._buffer=new t.Buffer(e.url,function(t){this.buffer=t,e.onload()}.bind(this)),this.connectEffect(this._convolver)},t.extend(t.Convolver,t.Effect),t.Convolver.defaults={url:"",onload:t.noOp},Object.defineProperty(t.Convolver.prototype,"buffer",{get:function(){return this._buffer.get()},set:function(t){this._buffer.set(t),this._convolver.buffer=this._buffer.get()}}),t.Convolver.prototype.load=function(t,e){return this._buffer.load(t,function(t){this.buffer=t,e&&e()}.bind(this)),this},t.Convolver.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._convolver.disconnect(),this._convolver=null,this._buffer.dispose(),this._buffer=null,this},t.Convolver}),e(function(t){return t.Distortion=function(){var e=this.optionsObject(arguments,["distortion"],t.Distortion.defaults);t.Effect.call(this,e),this._shaper=new t.WaveShaper(4096),this._distortion=e.distortion,this.connectEffect(this._shaper),this.distortion=e.distortion,this.oversample=e.oversample},t.extend(t.Distortion,t.Effect),t.Distortion.defaults={distortion:.4,oversample:"none"},Object.defineProperty(t.Distortion.prototype,"distortion",{get:function(){return this._distortion},set:function(t){var e,i;this._distortion=t,e=100*t,i=Math.PI/180,this._shaper.setMap(function(t){return Math.abs(t)<.001?0:(3+e)*t*20*i/(Math.PI+e*Math.abs(t))})}}),Object.defineProperty(t.Distortion.prototype,"oversample",{get:function(){return this._shaper.oversample},set:function(t){this._shaper.oversample=t}}),t.Distortion.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._shaper.dispose(),this._shaper=null,this},t.Distortion}),e(function(t){return t.FeedbackDelay=function(){var e=this.optionsObject(arguments,["delayTime","feedback"],t.FeedbackDelay.defaults);t.FeedbackEffect.call(this,e),this.delayTime=new t.Signal(e.delayTime,t.Type.Time),this._delayNode=this.context.createDelay(4),this.connectEffect(this._delayNode),this.delayTime.connect(this._delayNode.delayTime),this._readOnly(["delayTime"])},t.extend(t.FeedbackDelay,t.FeedbackEffect),t.FeedbackDelay.defaults={delayTime:.25},t.FeedbackDelay.prototype.dispose=function(){return t.FeedbackEffect.prototype.dispose.call(this),this.delayTime.dispose(),this._delayNode.disconnect(),this._delayNode=null,this._writable(["delayTime"]),this.delayTime=null,this},t.FeedbackDelay}),e(function(t){var e=[1557/44100,1617/44100,1491/44100,1422/44100,1277/44100,1356/44100,1188/44100,1116/44100],i=[225,556,441,341];return t.Freeverb=function(){var s,n,o,r,a,h,l=this.optionsObject(arguments,["roomSize","dampening"],t.Freeverb.defaults);for(t.StereoEffect.call(this,l),this.roomSize=new t.Signal(l.roomSize,t.Type.NormalRange),this.dampening=new t.Signal(l.dampening,t.Type.Frequency),this._combFilters=[],this._allpassFiltersL=[],this._allpassFiltersR=[],s=0;s<i.length;s++)n=this.context.createBiquadFilter(),n.type="allpass",n.frequency.value=i[s],this._allpassFiltersL.push(n);for(o=0;o<i.length;o++)r=this.context.createBiquadFilter(),r.type="allpass",r.frequency.value=i[o],this._allpassFiltersR.push(r);for(a=0;a<e.length;a++)h=new t.LowpassCombFilter(e[a]),a<e.length/2?this.effectSendL.chain(h,this._allpassFiltersL[0]):this.effectSendR.chain(h,this._allpassFiltersR[0]),this.roomSize.connect(h.resonance),this.dampening.connect(h.dampening),this._combFilters.push(h);this.connectSeries.apply(this,this._allpassFiltersL),this.connectSeries.apply(this,this._allpassFiltersR),this._allpassFiltersL[this._allpassFiltersL.length-1].connect(this.effectReturnL),this._allpassFiltersR[this._allpassFiltersR.length-1].connect(this.effectReturnR),this._readOnly(["roomSize","dampening"])},t.extend(t.Freeverb,t.StereoEffect),t.Freeverb.defaults={roomSize:.7,dampening:3e3},t.Freeverb.prototype.dispose=function(){var e,i,s;for(t.StereoEffect.prototype.dispose.call(this),e=0;e<this._allpassFiltersL.length;e++)this._allpassFiltersL[e].disconnect(),this._allpassFiltersL[e]=null;for(this._allpassFiltersL=null,i=0;i<this._allpassFiltersR.length;i++)this._allpassFiltersR[i].disconnect(),this._allpassFiltersR[i]=null;for(this._allpassFiltersR=null,s=0;s<this._combFilters.length;s++)this._combFilters[s].dispose(),this._combFilters[s]=null;return this._combFilters=null,this._writable(["roomSize","dampening"]),this.roomSize.dispose(),this.roomSize=null,this.dampening.dispose(),this.dampening=null,this},t.Freeverb}),e(function(t){var e=[.06748,.06404,.08212,.09004],i=[.773,.802,.753,.733],s=[347,113,37];return t.JCReverb=function(){var n,o,r,a,h=this.optionsObject(arguments,["roomSize"],t.JCReverb.defaults);for(t.StereoEffect.call(this,h),this.roomSize=new t.Signal(h.roomSize,t.Type.NormalRange),this._scaleRoomSize=new t.Scale(-.733,.197),this._allpassFilters=[],this._feedbackCombFilters=[],n=0;n<s.length;n++)o=this.context.createBiquadFilter(),o.type="allpass",o.frequency.value=s[n],this._allpassFilters.push(o);for(r=0;r<e.length;r++)a=new t.FeedbackCombFilter(e[r],.1),this._scaleRoomSize.connect(a.resonance),a.resonance.value=i[r],this._allpassFilters[this._allpassFilters.length-1].connect(a),a.connect(r<e.length/2?this.effectReturnL:this.effectReturnR),this._feedbackCombFilters.push(a);this.roomSize.connect(this._scaleRoomSize),this.connectSeries.apply(this,this._allpassFilters),this.effectSendL.connect(this._allpassFilters[0]),this.effectSendR.connect(this._allpassFilters[0]),this._readOnly(["roomSize"])},t.extend(t.JCReverb,t.StereoEffect),t.JCReverb.defaults={roomSize:.5},t.JCReverb.prototype.dispose=function(){var e,i;for(t.StereoEffect.prototype.dispose.call(this),e=0;e<this._allpassFilters.length;e++)this._allpassFilters[e].disconnect(),this._allpassFilters[e]=null;for(this._allpassFilters=null,i=0;i<this._feedbackCombFilters.length;i++)this._feedbackCombFilters[i].dispose(),this._feedbackCombFilters[i]=null;return this._feedbackCombFilters=null,this._writable(["roomSize"]),this.roomSize.dispose(),this.roomSize=null,this._scaleRoomSize.dispose(),this._scaleRoomSize=null,this},t.JCReverb}),e(function(t){return t.MidSideEffect=function(){t.Effect.apply(this,arguments),this._midSideSplit=new t.MidSideSplit,this._midSideMerge=new t.MidSideMerge,this.midSend=this._midSideSplit.mid,this.sideSend=this._midSideSplit.side,this.midReturn=this._midSideMerge.mid,this.sideReturn=this._midSideMerge.side,this.effectSend.connect(this._midSideSplit),this._midSideMerge.connect(this.effectReturn)},t.extend(t.MidSideEffect,t.Effect),t.MidSideEffect.prototype.dispose=function(){return t.Effect.prototype.dispose.call(this),this._midSideSplit.dispose(),this._midSideSplit=null,this._midSideMerge.dispose(),this._midSideMerge=null,this.midSend=null,this.sideSend=null,this.midReturn=null,this.sideReturn=null,this},t.MidSideEffect}),e(function(t){return t.Phaser=function(){var e=this.optionsObject(arguments,["frequency","octaves","baseFrequency"],t.Phaser.defaults);t.StereoEffect.call(this,e),this._lfoL=new t.LFO(e.frequency,0,1),this._lfoR=new t.LFO(e.frequency,0,1),this._lfoR.phase=180,this._baseFrequency=e.baseFrequency,this._octaves=e.octaves,this.Q=new t.Signal(e.Q,t.Type.Positive),this._filtersL=this._makeFilters(e.stages,this._lfoL,this.Q),this._filtersR=this._makeFilters(e.stages,this._lfoR,this.Q),this.frequency=this._lfoL.frequency,this.frequency.value=e.frequency,this.effectSendL.connect(this._filtersL[0]),this.effectSendR.connect(this._filtersR[0]),this._filtersL[e.stages-1].connect(this.effectReturnL),this._filtersR[e.stages-1].connect(this.effectReturnR),this._lfoL.frequency.connect(this._lfoR.frequency),this.baseFrequency=e.baseFrequency,this.octaves=e.octaves,this._lfoL.start(),this._lfoR.start(),this._readOnly(["frequency","Q"])},t.extend(t.Phaser,t.StereoEffect),t.Phaser.defaults={frequency:.5,octaves:3,stages:10,Q:10,baseFrequency:350},t.Phaser.prototype._makeFilters=function(t,e,i){var s,n,o=new Array(t);for(s=0;t>s;s++)n=this.context.createBiquadFilter(),n.type="allpass",i.connect(n.Q),e.connect(n.frequency),o[s]=n;return this.connectSeries.apply(this,o),o},Object.defineProperty(t.Phaser.prototype,"octaves",{get:function(){return this._octaves},set:function(t){this._octaves=t;var e=this._baseFrequency*Math.pow(2,t);this._lfoL.max=e,this._lfoR.max=e}}),Object.defineProperty(t.Phaser.prototype,"baseFrequency",{get:function(){return this._baseFrequency},set:function(t){this._baseFrequency=t,this._lfoL.min=t,this._lfoR.min=t,this.octaves=this._octaves}}),t.Phaser.prototype.dispose=function(){var e,i;for(t.StereoEffect.prototype.dispose.call(this),this._writable(["frequency","Q"]),this.Q.dispose(),this.Q=null,this._lfoL.dispose(),this._lfoL=null,this._lfoR.dispose(),this._lfoR=null,e=0;e<this._filtersL.length;e++)this._filtersL[e].disconnect(),this._filtersL[e]=null;for(this._filtersL=null,i=0;i<this._filtersR.length;i++)this._filtersR[i].disconnect(),this._filtersR[i]=null;return this._filtersR=null,this.frequency=null,this},t.Phaser}),e(function(t){return t.PingPongDelay=function(){var e=this.optionsObject(arguments,["delayTime","feedback"],t.PingPongDelay.defaults);t.StereoXFeedbackEffect.call(this,e),this._leftDelay=this.context.createDelay(e.maxDelayTime),this._rightDelay=this.context.createDelay(e.maxDelayTime),this._rightPreDelay=this.context.createDelay(e.maxDelayTime),this.delayTime=new t.Signal(e.delayTime,t.Type.Time),this.effectSendL.chain(this._leftDelay,this.effectReturnL),this.effectSendR.chain(this._rightPreDelay,this._rightDelay,this.effectReturnR),this.delayTime.fan(this._leftDelay.delayTime,this._rightDelay.delayTime,this._rightPreDelay.delayTime),this._feedbackLR.disconnect(),this._feedbackLR.connect(this._rightDelay),this._readOnly(["delayTime"])},t.extend(t.PingPongDelay,t.StereoXFeedbackEffect),t.PingPongDelay.defaults={delayTime:.25,maxDelayTime:1},t.PingPongDelay.prototype.dispose=function(){return t.StereoXFeedbackEffect.prototype.dispose.call(this),this._leftDelay.disconnect(),this._leftDelay=null,this._rightDelay.disconnect(),this._rightDelay=null,this._rightPreDelay.disconnect(),this._rightPreDelay=null,this._writable(["delayTime"]),this.delayTime.dispose(),this.delayTime=null,this},t.PingPongDelay}),e(function(t){return t.PitchShift=function(){var e,i=this.optionsObject(arguments,["pitch"],t.PitchShift.defaults);t.FeedbackEffect.call(this,i),this._frequency=new t.Signal(0),this._delayA=new t.Delay(0,1),this._lfoA=new t.LFO({min:0,max:.1,type:"sawtooth"}).connect(this._delayA.delayTime),this._delayB=new t.Delay(0,1),this._lfoB=new t.LFO({min:0,max:.1,type:"sawtooth",phase:180}).connect(this._delayB.delayTime),this._crossFade=new t.CrossFade,this._crossFadeLFO=new t.LFO({min:0,max:1,type:"triangle",phase:90}).connect(this._crossFade.fade),this._feedbackDelay=new t.Delay(i.delayTime),this.delayTime=this._feedbackDelay.delayTime,this._readOnly("delayTime"),this._pitch=i.pitch,this._windowSize=i.windowSize,this._delayA.connect(this._crossFade.a),this._delayB.connect(this._crossFade.b),this._frequency.fan(this._lfoA.frequency,this._lfoB.frequency,this._crossFadeLFO.frequency),this.effectSend.fan(this._delayA,this._delayB),this._crossFade.chain(this._feedbackDelay,this.effectReturn),e=this.now(),this._lfoA.start(e),this._lfoB.start(e),this._crossFadeLFO.start(e),this.windowSize=this._windowSize},t.extend(t.PitchShift,t.FeedbackEffect),t.PitchShift.defaults={pitch:0,windowSize:.1,delayTime:0,feedback:0},Object.defineProperty(t.PitchShift.prototype,"pitch",{get:function(){return this._pitch},set:function(t){this._pitch=t;var e=0;0>t?(this._lfoA.min=0,this._lfoA.max=this._windowSize,this._lfoB.min=0,this._lfoB.max=this._windowSize,e=this.intervalToFrequencyRatio(t-1)+1):(this._lfoA.min=this._windowSize,this._lfoA.max=0,this._lfoB.min=this._windowSize,this._lfoB.max=0,e=this.intervalToFrequencyRatio(t)-1),this._frequency.value=e*(1.2/this._windowSize)}}),Object.defineProperty(t.PitchShift.prototype,"windowSize",{get:function(){return this._windowSize},set:function(t){this._windowSize=this.toSeconds(t),this.pitch=this._pitch}}),t.PitchShift.prototype.dispose=function(){return t.FeedbackEffect.prototype.dispose.call(this),this._frequency.dispose(),this._frequency=null,this._delayA.disconnect(),this._delayA=null,this._delayB.disconnect(),this._delayB=null,this._lfoA.dispose(),this._lfoA=null,this._lfoB.dispose(),this._lfoB=null,this._crossFade.dispose(),this._crossFade=null,this._crossFadeLFO.dispose(),this._crossFadeLFO=null,this._writable("delayTime"),this._feedbackDelay.dispose(),this._feedbackDelay=null,this.delayTime=null,this},t.PitchShift}),e(function(t){return t.StereoFeedbackEffect=function(){var e=this.optionsObject(arguments,["feedback"],t.FeedbackEffect.defaults);t.StereoEffect.call(this,e),this.feedback=new t.Signal(e.feedback,t.Type.NormalRange),this._feedbackL=this.context.createGain(),this._feedbackR=this.context.createGain(),this.effectReturnL.chain(this._feedbackL,this.effectSendL),this.effectReturnR.chain(this._feedbackR,this.effectSendR),this.feedback.fan(this._feedbackL.gain,this._feedbackR.gain),this._readOnly(["feedback"])},t.extend(t.StereoFeedbackEffect,t.FeedbackEffect),t.StereoFeedbackEffect.prototype.dispose=function(){return t.StereoEffect.prototype.dispose.call(this),this._writable(["feedback"]),this.feedback.dispose(),this.feedback=null,this._feedbackL.disconnect(),this._feedbackL=null,this._feedbackR.disconnect(),this._feedbackR=null,this},t.StereoFeedbackEffect}),e(function(t){return t.StereoWidener=function(){var e=this.optionsObject(arguments,["width"],t.StereoWidener.defaults);t.MidSideEffect.call(this,e),this.width=new t.Signal(e.width,t.Type.NormalRange),this._midMult=new t.Expr("$0 * ($1 * (1 - $2))"),this._sideMult=new t.Expr("$0 * ($1 * $2)"),this._two=new t.Signal(2),this._two.connect(this._midMult,0,1),this.width.connect(this._midMult,0,2),this._two.connect(this._sideMult,0,1),this.width.connect(this._sideMult,0,2),this.midSend.chain(this._midMult,this.midReturn),this.sideSend.chain(this._sideMult,this.sideReturn),this._readOnly(["width"])},t.extend(t.StereoWidener,t.MidSideEffect),t.StereoWidener.defaults={width:.5},t.StereoWidener.prototype.dispose=function(){return t.MidSideEffect.prototype.dispose.call(this),this._writable(["width"]),this.width.dispose(),this.width=null,this._midMult.dispose(),this._midMult=null,this._sideMult.dispose(),this._sideMult=null,this._two.dispose(),this._two=null,this},t.StereoWidener}),e(function(t){return t.Tremolo=function(){var e=this.optionsObject(arguments,["frequency","depth"],t.Tremolo.defaults);t.StereoEffect.call(this,e),this._lfoL=new t.LFO({phase:e.spread,min:1,max:0}),this._lfoR=new t.LFO({phase:e.spread,min:1,max:0}),this._amplitudeL=new t.Gain,this._amplitudeR=new t.Gain,this.frequency=new t.Signal(e.frequency,t.Type.Frequency),this.depth=new t.Signal(e.depth,t.Type.NormalRange),this._readOnly(["frequency","depth"]),this.effectSendL.chain(this._amplitudeL,this.effectReturnL),this.effectSendR.chain(this._amplitudeR,this.effectReturnR),this._lfoL.connect(this._amplitudeL.gain),this._lfoR.connect(this._amplitudeR.gain),this.frequency.fan(this._lfoL.frequency,this._lfoR.frequency),this.depth.fan(this._lfoR.amplitude,this._lfoL.amplitude),this.type=e.type,this.spread=e.spread},t.extend(t.Tremolo,t.StereoEffect),t.Tremolo.defaults={frequency:10,type:"sine",depth:.5,spread:180},t.Tremolo.prototype.start=function(t){return this._lfoL.start(t),this._lfoR.start(t),this},t.Tremolo.prototype.stop=function(t){return this._lfoL.stop(t),this._lfoR.stop(t),this},t.Tremolo.prototype.sync=function(t){return this._lfoL.sync(t),this._lfoR.sync(t),this},t.Tremolo.prototype.unsync=function(){return this._lfoL.unsync(),this._lfoR.unsync(),this},Object.defineProperty(t.Tremolo.prototype,"type",{get:function(){return this._lfoL.type},set:function(t){this._lfoL.type=t,this._lfoR.type=t}}),Object.defineProperty(t.Tremolo.prototype,"spread",{get:function(){return this._lfoR.phase-this._lfoL.phase},set:function(t){this._lfoL.phase=90-t/2,this._lfoR.phase=t/2+90}}),t.Tremolo.prototype.dispose=function(){return t.StereoEffect.prototype.dispose.call(this),this._writable(["frequency","depth"]),this._lfoL.dispose(),this._lfoL=null,this._lfoR.dispose(),this._lfoR=null,this._amplitudeL.dispose(),this._amplitudeL=null,this._amplitudeR.dispose(),this._amplitudeR=null,this.frequency=null,this.depth=null,this},t.Tremolo}),e(function(t){return t.Vibrato=function(){var e=this.optionsObject(arguments,["frequency","depth"],t.Vibrato.defaults);t.Effect.call(this,e),this._delayNode=new t.Delay(0,e.maxDelay),this._lfo=new t.LFO({type:e.type,min:0,max:e.maxDelay,frequency:e.frequency,phase:-90}).start().connect(this._delayNode.delayTime),this.frequency=this._lfo.frequency,this.depth=this._lfo.amplitude,this.depth.value=e.depth,this._readOnly(["frequency","depth"]),this.effectSend.chain(this._delayNode,this.effectReturn)},t.extend(t.Vibrato,t.Effect),t.Vibrato.defaults={maxDelay:.005,frequency:5,depth:.1,type:"sine"},Object.defineProperty(t.Vibrato.prototype,"type",{get:function(){return this._lfo.type},set:function(t){this._lfo.type=t}}),t.Vibrato.prototype.dispose=function(){t.Effect.prototype.dispose.call(this),this._delayNode.dispose(),this._delayNode=null,this._lfo.dispose(),this._lfo=null,this._writable(["frequency","depth"]),this.frequency=null,this.depth=null},t.Vibrato}),e(function(t){return t.PulseOscillator=function(){var e=this.optionsObject(arguments,["frequency","width"],t.Oscillator.defaults);t.Source.call(this,e),this.width=new t.Signal(e.width,t.Type.NormalRange),this._widthGate=this.context.createGain(),this._sawtooth=new t.Oscillator({frequency:e.frequency,detune:e.detune,type:"sawtooth",phase:e.phase}),this.frequency=this._sawtooth.frequency,this.detune=this._sawtooth.detune,this._thresh=new t.WaveShaper(function(t){return 0>t?-1:1}),this._sawtooth.chain(this._thresh,this.output),this.width.chain(this._widthGate,this._thresh),this._readOnly(["width","frequency","detune"])},t.extend(t.PulseOscillator,t.Oscillator),t.PulseOscillator.defaults={frequency:440,detune:0,phase:0,width:.2},t.PulseOscillator.prototype._start=function(t){t=this.toSeconds(t),this._sawtooth.start(t),this._widthGate.gain.setValueAtTime(1,t)},t.PulseOscillator.prototype._stop=function(t){t=this.toSeconds(t),this._sawtooth.stop(t),this._widthGate.gain.setValueAtTime(0,t)},Object.defineProperty(t.PulseOscillator.prototype,"phase",{get:function(){return this._sawtooth.phase},set:function(t){this._sawtooth.phase=t}}),Object.defineProperty(t.PulseOscillator.prototype,"type",{get:function(){return"pulse"}}),Object.defineProperty(t.PulseOscillator.prototype,"partials",{get:function(){return[]}}),t.PulseOscillator.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this._sawtooth.dispose(),this._sawtooth=null,this._writable(["width","frequency","detune"]),this.width.dispose(),this.width=null,this._widthGate.disconnect(),this._widthGate=null,this._widthGate=null,this._thresh.disconnect(),this._thresh=null,this.frequency=null,this.detune=null,this},t.PulseOscillator}),e(function(t){return t.PWMOscillator=function(){var e=this.optionsObject(arguments,["frequency","modulationFrequency"],t.PWMOscillator.defaults);t.Source.call(this,e),this._pulse=new t.PulseOscillator(e.modulationFrequency),this._pulse._sawtooth.type="sine",this._modulator=new t.Oscillator({frequency:e.frequency,detune:e.detune,phase:e.phase}),this._scale=new t.Multiply(2),this.frequency=this._modulator.frequency,this.detune=this._modulator.detune,this.modulationFrequency=this._pulse.frequency,this._modulator.chain(this._scale,this._pulse.width),this._pulse.connect(this.output),this._readOnly(["modulationFrequency","frequency","detune"])},t.extend(t.PWMOscillator,t.Oscillator),t.PWMOscillator.defaults={frequency:440,detune:0,phase:0,modulationFrequency:.4},t.PWMOscillator.prototype._start=function(t){t=this.toSeconds(t),this._modulator.start(t),this._pulse.start(t)},t.PWMOscillator.prototype._stop=function(t){t=this.toSeconds(t),this._modulator.stop(t),this._pulse.stop(t)},Object.defineProperty(t.PWMOscillator.prototype,"type",{get:function(){return"pwm"}}),Object.defineProperty(t.PWMOscillator.prototype,"partials",{get:function(){return[]}}),Object.defineProperty(t.PWMOscillator.prototype,"phase",{get:function(){return this._modulator.phase},set:function(t){this._modulator.phase=t}}),t.PWMOscillator.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this._pulse.dispose(),this._pulse=null,this._scale.dispose(),this._scale=null,this._modulator.dispose(),this._modulator=null,this._writable(["modulationFrequency","frequency","detune"]),this.frequency=null,this.detune=null,this.modulationFrequency=null,this},t.PWMOscillator}),e(function(t){return t.FMOscillator=function(){var e=this.optionsObject(arguments,["frequency","type","modulationType"],t.FMOscillator.defaults);t.Source.call(this,e),this._carrier=new t.Oscillator(e.frequency,e.type),this.frequency=new t.Signal(e.frequency,t.Type.Frequency),this.detune=this._carrier.detune,this.detune.value=e.detune,this.modulationIndex=new t.Multiply(e.modulationIndex),this.modulationIndex.units=t.Type.Positive,this._modulator=new t.Oscillator(e.frequency,e.modulationType),this.harmonicity=new t.Multiply(e.harmonicity),this.harmonicity.units=t.Type.Positive,this._modulationNode=new t.Gain(0),this.frequency.connect(this._carrier.frequency),this.frequency.chain(this.harmonicity,this._modulator.frequency),this.frequency.chain(this.modulationIndex,this._modulationNode),this._modulator.connect(this._modulationNode.gain),this._modulationNode.connect(this._carrier.frequency),this._carrier.connect(this.output),this.detune.connect(this._modulator.detune),this.phase=e.phase,this._readOnly(["modulationIndex","frequency","detune","harmonicity"])},t.extend(t.FMOscillator,t.Oscillator),t.FMOscillator.defaults={frequency:440,detune:0,phase:0,modulationIndex:2,modulationType:"square",harmonicity:1},t.FMOscillator.prototype._start=function(t){t=this.toSeconds(t),this._modulator.start(t),this._carrier.start(t)},t.FMOscillator.prototype._stop=function(t){t=this.toSeconds(t),this._modulator.stop(t),this._carrier.stop(t)},Object.defineProperty(t.FMOscillator.prototype,"type",{get:function(){return this._carrier.type},set:function(t){this._carrier.type=t}}),Object.defineProperty(t.FMOscillator.prototype,"modulationType",{get:function(){return this._modulator.type},set:function(t){this._modulator.type=t}}),Object.defineProperty(t.FMOscillator.prototype,"phase",{get:function(){return this._carrier.phase},set:function(t){this._carrier.phase=t,this._modulator.phase=t}}),Object.defineProperty(t.FMOscillator.prototype,"partials",{
+get:function(){return this._carrier.partials},set:function(t){this._carrier.partials=t}}),t.FMOscillator.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this._writable(["modulationIndex","frequency","detune","harmonicity"]),this.frequency.dispose(),this.frequency=null,this.detune=null,this.harmonicity.dispose(),this.harmonicity=null,this._carrier.dispose(),this._carrier=null,this._modulator.dispose(),this._modulator=null,this._modulationNode.dispose(),this._modulationNode=null,this.modulationIndex.dispose(),this.modulationIndex=null,this},t.FMOscillator}),e(function(t){return t.AMOscillator=function(){var e=this.optionsObject(arguments,["frequency","type","modulationType"],t.AMOscillator.defaults);t.Source.call(this,e),this._carrier=new t.Oscillator(e.frequency,e.type),this.frequency=this._carrier.frequency,this.detune=this._carrier.detune,this.detune.value=e.detune,this._modulator=new t.Oscillator(e.frequency,e.modulationType),this._modulationScale=new t.AudioToGain,this.harmonicity=new t.Multiply(e.harmonicity),this.harmonicity.units=t.Type.Positive,this._modulationNode=new t.Gain(0),this.frequency.chain(this.harmonicity,this._modulator.frequency),this.detune.connect(this._modulator.detune),this._modulator.chain(this._modulationScale,this._modulationNode.gain),this._carrier.chain(this._modulationNode,this.output),this.phase=e.phase,this._readOnly(["frequency","detune","harmonicity"])},t.extend(t.AMOscillator,t.Oscillator),t.AMOscillator.defaults={frequency:440,detune:0,phase:0,modulationType:"square",harmonicity:1},t.AMOscillator.prototype._start=function(t){t=this.toSeconds(t),this._modulator.start(t),this._carrier.start(t)},t.AMOscillator.prototype._stop=function(t){t=this.toSeconds(t),this._modulator.stop(t),this._carrier.stop(t)},Object.defineProperty(t.AMOscillator.prototype,"type",{get:function(){return this._carrier.type},set:function(t){this._carrier.type=t}}),Object.defineProperty(t.AMOscillator.prototype,"modulationType",{get:function(){return this._modulator.type},set:function(t){this._modulator.type=t}}),Object.defineProperty(t.AMOscillator.prototype,"phase",{get:function(){return this._carrier.phase},set:function(t){this._carrier.phase=t,this._modulator.phase=t}}),Object.defineProperty(t.AMOscillator.prototype,"partials",{get:function(){return this._carrier.partials},set:function(t){this._carrier.partials=t}}),t.AMOscillator.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this._writable(["frequency","detune","harmonicity"]),this.frequency=null,this.detune=null,this.harmonicity.dispose(),this.harmonicity=null,this._carrier.dispose(),this._carrier=null,this._modulator.dispose(),this._modulator=null,this._modulationNode.dispose(),this._modulationNode=null,this._modulationScale.dispose(),this._modulationScale=null,this},t.AMOscillator}),e(function(t){return t.FatOscillator=function(){var e=this.optionsObject(arguments,["frequency","type","spread"],t.FatOscillator.defaults);t.Source.call(this,e),this.frequency=new t.Signal(e.frequency,t.Type.Frequency),this.detune=new t.Signal(e.detune,t.Type.Cents),this._oscillators=[],this._spread=e.spread,this._type=e.type,this._phase=e.phase,this._partials=this.defaultArg(e.partials,[]),this.count=e.count,this._readOnly(["frequency","detune"])},t.extend(t.FatOscillator,t.Oscillator),t.FatOscillator.defaults={frequency:440,detune:0,phase:0,spread:20,count:3,type:"sawtooth"},t.FatOscillator.prototype._start=function(t){t=this.toSeconds(t),this._forEach(function(e){e.start(t)})},t.FatOscillator.prototype._stop=function(t){t=this.toSeconds(t),this._forEach(function(e){e.stop(t)})},t.FatOscillator.prototype._forEach=function(t){for(var e=0;e<this._oscillators.length;e++)t.call(this,this._oscillators[e],e)},Object.defineProperty(t.FatOscillator.prototype,"type",{get:function(){return this._type},set:function(t){this._type=t,this._forEach(function(e){e.type=t})}}),Object.defineProperty(t.FatOscillator.prototype,"spread",{get:function(){return this._spread},set:function(t){var e,i;this._spread=t,this._oscillators.length>1&&(e=-t/2,i=t/(this._oscillators.length-1),this._forEach(function(t,s){t.detune.value=e+i*s}))}}),Object.defineProperty(t.FatOscillator.prototype,"count",{get:function(){return this._oscillators.length},set:function(e){var i,s;if(e=Math.max(e,1),this._oscillators.length!==e){for(this._forEach(function(t){t.dispose()}),this._oscillators=[],i=0;e>i;i++)s=new t.Oscillator,this.type===t.Oscillator.Type.Custom?s.partials=this._partials:s.type=this._type,s.phase=this._phase,s.volume.value=-6-e,this.frequency.connect(s.frequency),this.detune.connect(s.detune),s.connect(this.output),this._oscillators[i]=s;this.spread=this._spread,this.state===t.State.Started&&this._forEach(function(t){t.start()})}}}),Object.defineProperty(t.FatOscillator.prototype,"phase",{get:function(){return this._phase},set:function(t){this._phase=t,this._forEach(function(e){e.phase=t})}}),Object.defineProperty(t.FatOscillator.prototype,"partials",{get:function(){return this._partials},set:function(e){this._partials=e,this._type=t.Oscillator.Type.Custom,this._forEach(function(t){t.partials=e})}}),t.FatOscillator.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this._writable(["frequency","detune"]),this.frequency.dispose(),this.frequency=null,this.detune.dispose(),this.detune=null,this._forEach(function(t){t.dispose()}),this._oscillators=null,this._partials=null,this},t.FatOscillator}),e(function(t){t.OmniOscillator=function(){var e=this.optionsObject(arguments,["frequency","type"],t.OmniOscillator.defaults);t.Source.call(this,e),this.frequency=new t.Signal(e.frequency,t.Type.Frequency),this.detune=new t.Signal(e.detune,t.Type.Cents),this._sourceType=void 0,this._oscillator=null,this.type=e.type,this._readOnly(["frequency","detune"]),this.set(e)},t.extend(t.OmniOscillator,t.Oscillator),t.OmniOscillator.defaults={frequency:440,detune:0,type:"sine",phase:0};var e={Pulse:"PulseOscillator",PWM:"PWMOscillator",Osc:"Oscillator",FM:"FMOscillator",AM:"AMOscillator",Fat:"FatOscillator"};return t.OmniOscillator.prototype._start=function(t){this._oscillator.start(t)},t.OmniOscillator.prototype._stop=function(t){this._oscillator.stop(t)},Object.defineProperty(t.OmniOscillator.prototype,"type",{get:function(){var t="";return this._sourceType===e.FM?t="fm":this._sourceType===e.AM?t="am":this._sourceType===e.Fat&&(t="fat"),t+this._oscillator.type},set:function(t){"fm"===t.substr(0,2)?(this._createNewOscillator(e.FM),this._oscillator.type=t.substr(2)):"am"===t.substr(0,2)?(this._createNewOscillator(e.AM),this._oscillator.type=t.substr(2)):"fat"===t.substr(0,3)?(this._createNewOscillator(e.Fat),this._oscillator.type=t.substr(3)):"pwm"===t?this._createNewOscillator(e.PWM):"pulse"===t?this._createNewOscillator(e.Pulse):(this._createNewOscillator(e.Osc),this._oscillator.type=t)}}),Object.defineProperty(t.OmniOscillator.prototype,"partials",{get:function(){return this._oscillator.partials},set:function(t){this._oscillator.partials=t}}),t.OmniOscillator.prototype.set=function(e,i){return"type"===e?this.type=i:this.isObject(e)&&e.hasOwnProperty("type")&&(this.type=e.type),t.prototype.set.apply(this,arguments),this},t.OmniOscillator.prototype._createNewOscillator=function(e){var i,s,n;e!==this._sourceType&&(this._sourceType=e,i=t[e],s=this.now()+this.blockTime,null!==this._oscillator&&(n=this._oscillator,n.stop(s),setTimeout(function(){n.dispose(),n=null},1e3*this.blockTime)),this._oscillator=new i,this.frequency.connect(this._oscillator.frequency),this.detune.connect(this._oscillator.detune),this._oscillator.connect(this.output),this.state===t.State.Started&&this._oscillator.start(s))},Object.defineProperty(t.OmniOscillator.prototype,"phase",{get:function(){return this._oscillator.phase},set:function(t){this._oscillator.phase=t}}),Object.defineProperty(t.OmniOscillator.prototype,"width",{get:function(){return this._sourceType===e.Pulse?this._oscillator.width:void 0}}),Object.defineProperty(t.OmniOscillator.prototype,"count",{get:function(){return this._sourceType===e.Fat?this._oscillator.count:void 0},set:function(t){this._sourceType===e.Fat&&(this._oscillator.count=t)}}),Object.defineProperty(t.OmniOscillator.prototype,"spread",{get:function(){return this._sourceType===e.Fat?this._oscillator.spread:void 0},set:function(t){this._sourceType===e.Fat&&(this._oscillator.spread=t)}}),Object.defineProperty(t.OmniOscillator.prototype,"modulationType",{get:function(){return this._sourceType===e.FM||this._sourceType===e.AM?this._oscillator.modulationType:void 0},set:function(t){(this._sourceType===e.FM||this._sourceType===e.AM)&&(this._oscillator.modulationType=t)}}),Object.defineProperty(t.OmniOscillator.prototype,"modulationIndex",{get:function(){return this._sourceType===e.FM?this._oscillator.modulationIndex:void 0}}),Object.defineProperty(t.OmniOscillator.prototype,"harmonicity",{get:function(){return this._sourceType===e.FM||this._sourceType===e.AM?this._oscillator.harmonicity:void 0}}),Object.defineProperty(t.OmniOscillator.prototype,"modulationFrequency",{get:function(){return this._sourceType===e.PWM?this._oscillator.modulationFrequency:void 0}}),t.OmniOscillator.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this._writable(["frequency","detune"]),this.detune.dispose(),this.detune=null,this.frequency.dispose(),this.frequency=null,this._oscillator.dispose(),this._oscillator=null,this._sourceType=null,this},t.OmniOscillator}),e(function(t){return t.Instrument=function(e){e=this.defaultArg(e,t.Instrument.defaults),this._volume=this.output=new t.Volume(e.volume),this.volume=this._volume.volume,this._readOnly("volume")},t.extend(t.Instrument),t.Instrument.defaults={volume:0},t.Instrument.prototype.triggerAttack=t.noOp,t.Instrument.prototype.triggerRelease=t.noOp,t.Instrument.prototype.triggerAttackRelease=function(t,e,i,s){return i=this.toSeconds(i),e=this.toSeconds(e),this.triggerAttack(t,i,s),this.triggerRelease(i+e),this},t.Instrument.prototype.dispose=function(){return t.prototype.dispose.call(this),this._volume.dispose(),this._volume=null,this._writable(["volume"]),this.volume=null,this},t.Instrument}),e(function(t){return t.Monophonic=function(e){e=this.defaultArg(e,t.Monophonic.defaults),t.Instrument.call(this,e),this.portamento=e.portamento},t.extend(t.Monophonic,t.Instrument),t.Monophonic.defaults={portamento:0},t.Monophonic.prototype.triggerAttack=function(t,e,i){return e=this.toSeconds(e),this._triggerEnvelopeAttack(e,i),this.setNote(t,e),this},t.Monophonic.prototype.triggerRelease=function(t){return this._triggerEnvelopeRelease(t),this},t.Monophonic.prototype._triggerEnvelopeAttack=function(){},t.Monophonic.prototype._triggerEnvelopeRelease=function(){},t.Monophonic.prototype.setNote=function(t,e){var i,s;return e=this.toSeconds(e),this.portamento>0?(i=this.frequency.value,this.frequency.setValueAtTime(i,e),s=this.toSeconds(this.portamento),this.frequency.exponentialRampToValueAtTime(t,e+s)):this.frequency.setValueAtTime(t,e),this},t.Monophonic}),e(function(t){return t.Synth=function(e){e=this.defaultArg(e,t.Synth.defaults),t.Monophonic.call(this,e),this.oscillator=new t.OmniOscillator(e.oscillator),this.frequency=this.oscillator.frequency,this.detune=this.oscillator.detune,this.envelope=new t.AmplitudeEnvelope(e.envelope),this.oscillator.chain(this.envelope,this.output),this.oscillator.start(),this._readOnly(["oscillator","frequency","detune","envelope"])},t.extend(t.Synth,t.Monophonic),t.Synth.defaults={oscillator:{type:"triangle"},envelope:{attack:.005,decay:.1,sustain:.3,release:1}},t.Synth.prototype._triggerEnvelopeAttack=function(t,e){return this.envelope.triggerAttack(t,e),this},t.Synth.prototype._triggerEnvelopeRelease=function(t){return this.envelope.triggerRelease(t),this},t.Synth.prototype.dispose=function(){return t.Monophonic.prototype.dispose.call(this),this._writable(["oscillator","frequency","detune","envelope"]),this.oscillator.dispose(),this.oscillator=null,this.envelope.dispose(),this.envelope=null,this.frequency=null,this.detune=null,this},t.Synth}),e(function(t){return t.AMSynth=function(e){e=this.defaultArg(e,t.AMSynth.defaults),t.Monophonic.call(this,e),this._carrier=new t.Synth,this._carrier.volume.value=-10,this.oscillator=this._carrier.oscillator,this.envelope=this._carrier.envelope.set(e.envelope),this._modulator=new t.Synth,this._modulator.volume.value=-10,this.modulation=this._modulator.oscillator.set(e.modulation),this.modulationEnvelope=this._modulator.envelope.set(e.modulationEnvelope),this.frequency=new t.Signal(440,t.Type.Frequency),this.detune=new t.Signal(e.detune,t.Type.Cents),this.harmonicity=new t.Multiply(e.harmonicity),this.harmonicity.units=t.Type.Positive,this._modulationScale=new t.AudioToGain,this._modulationNode=this.context.createGain(),this.frequency.connect(this._carrier.frequency),this.frequency.chain(this.harmonicity,this._modulator.frequency),this.detune.fan(this._carrier.detune,this._modulator.detune),this._modulator.chain(this._modulationScale,this._modulationNode.gain),this._carrier.chain(this._modulationNode,this.output),this._readOnly(["frequency","harmonicity","oscillator","envelope","modulation","modulationEnvelope","detune"])},t.extend(t.AMSynth,t.Monophonic),t.AMSynth.defaults={harmonicity:3,detune:0,oscillator:{type:"sine"},envelope:{attack:.01,decay:.01,sustain:1,release:.5},moduation:{type:"square"},modulationEnvelope:{attack:.5,decay:0,sustain:1,release:.5}},t.AMSynth.prototype._triggerEnvelopeAttack=function(t,e){return t=this.toSeconds(t),this.envelope.triggerAttack(t,e),this.modulationEnvelope.triggerAttack(t,e),this},t.AMSynth.prototype._triggerEnvelopeRelease=function(t){return this.envelope.triggerRelease(t),this.modulationEnvelope.triggerRelease(t),this},t.AMSynth.prototype.dispose=function(){return t.Monophonic.prototype.dispose.call(this),this._writable(["frequency","harmonicity","oscillator","envelope","modulation","modulationEnvelope","detune"]),this._carrier.dispose(),this._carrier=null,this._modulator.dispose(),this._modulator=null,this.frequency.dispose(),this.frequency=null,this.detune.dispose(),this.detune=null,this.harmonicity.dispose(),this.harmonicity=null,this._modulationScale.dispose(),this._modulationScale=null,this._modulationNode.disconnect(),this._modulationNode=null,this.oscillator=null,this.envelope=null,this.modulationEnvelope=null,this.modulation=null,this},t.AMSynth}),e(function(t){return t.MonoSynth=function(e){e=this.defaultArg(e,t.MonoSynth.defaults),t.Monophonic.call(this,e),this.oscillator=new t.OmniOscillator(e.oscillator),this.frequency=this.oscillator.frequency,this.detune=this.oscillator.detune,this.filter=new t.Filter(e.filter),this.filterEnvelope=new t.FrequencyEnvelope(e.filterEnvelope),this.envelope=new t.AmplitudeEnvelope(e.envelope),this.oscillator.chain(this.filter,this.envelope,this.output),this.oscillator.start(),this.filterEnvelope.connect(this.filter.frequency),this._readOnly(["oscillator","frequency","detune","filter","filterEnvelope","envelope"])},t.extend(t.MonoSynth,t.Monophonic),t.MonoSynth.defaults={frequency:"C4",detune:0,oscillator:{type:"square"},filter:{Q:6,type:"lowpass",rolloff:-24},envelope:{attack:.005,decay:.1,sustain:.9,release:1},filterEnvelope:{attack:.06,decay:.2,sustain:.5,release:2,baseFrequency:200,octaves:7,exponent:2}},t.MonoSynth.prototype._triggerEnvelopeAttack=function(t,e){return this.envelope.triggerAttack(t,e),this.filterEnvelope.triggerAttack(t),this},t.MonoSynth.prototype._triggerEnvelopeRelease=function(t){return this.envelope.triggerRelease(t),this.filterEnvelope.triggerRelease(t),this},t.MonoSynth.prototype.dispose=function(){return t.Monophonic.prototype.dispose.call(this),this._writable(["oscillator","frequency","detune","filter","filterEnvelope","envelope"]),this.oscillator.dispose(),this.oscillator=null,this.envelope.dispose(),this.envelope=null,this.filterEnvelope.dispose(),this.filterEnvelope=null,this.filter.dispose(),this.filter=null,this.frequency=null,this.detune=null,this},t.MonoSynth}),e(function(t){return t.DuoSynth=function(e){e=this.defaultArg(e,t.DuoSynth.defaults),t.Monophonic.call(this,e),this.voice0=new t.MonoSynth(e.voice0),this.voice0.volume.value=-10,this.voice1=new t.MonoSynth(e.voice1),this.voice1.volume.value=-10,this._vibrato=new t.LFO(e.vibratoRate,-50,50),this._vibrato.start(),this.vibratoRate=this._vibrato.frequency,this._vibratoGain=this.context.createGain(),this.vibratoAmount=new t.Param({param:this._vibratoGain.gain,units:t.Type.Positive,value:e.vibratoAmount}),this.frequency=new t.Signal(440,t.Type.Frequency),this.harmonicity=new t.Multiply(e.harmonicity),this.harmonicity.units=t.Type.Positive,this.frequency.connect(this.voice0.frequency),this.frequency.chain(this.harmonicity,this.voice1.frequency),this._vibrato.connect(this._vibratoGain),this._vibratoGain.fan(this.voice0.detune,this.voice1.detune),this.voice0.connect(this.output),this.voice1.connect(this.output),this._readOnly(["voice0","voice1","frequency","vibratoAmount","vibratoRate"])},t.extend(t.DuoSynth,t.Monophonic),t.DuoSynth.defaults={vibratoAmount:.5,vibratoRate:5,harmonicity:1.5,voice0:{volume:-10,portamento:0,oscillator:{type:"sine"},filterEnvelope:{attack:.01,decay:0,sustain:1,release:.5},envelope:{attack:.01,decay:0,sustain:1,release:.5}},voice1:{volume:-10,portamento:0,oscillator:{type:"sine"},filterEnvelope:{attack:.01,decay:0,sustain:1,release:.5},envelope:{attack:.01,decay:0,sustain:1,release:.5}}},t.DuoSynth.prototype._triggerEnvelopeAttack=function(t,e){return t=this.toSeconds(t),this.voice0.envelope.triggerAttack(t,e),this.voice1.envelope.triggerAttack(t,e),this.voice0.filterEnvelope.triggerAttack(t),this.voice1.filterEnvelope.triggerAttack(t),this},t.DuoSynth.prototype._triggerEnvelopeRelease=function(t){return this.voice0.triggerRelease(t),this.voice1.triggerRelease(t),this},t.DuoSynth.prototype.dispose=function(){return t.Monophonic.prototype.dispose.call(this),this._writable(["voice0","voice1","frequency","vibratoAmount","vibratoRate"]),this.voice0.dispose(),this.voice0=null,this.voice1.dispose(),this.voice1=null,this.frequency.dispose(),this.frequency=null,this._vibrato.dispose(),this._vibrato=null,this._vibratoGain.disconnect(),this._vibratoGain=null,this.harmonicity.dispose(),this.harmonicity=null,this.vibratoAmount.dispose(),this.vibratoAmount=null,this.vibratoRate=null,this},t.DuoSynth}),e(function(t){return t.FMSynth=function(e){e=this.defaultArg(e,t.FMSynth.defaults),t.Monophonic.call(this,e),this._carrier=new t.Synth(e.carrier),this._carrier.volume.value=-10,this.oscillator=this._carrier.oscillator,this.envelope=this._carrier.envelope.set(e.envelope),this._modulator=new t.Synth(e.modulator),this._modulator.volume.value=-10,this.modulation=this._modulator.oscillator.set(e.modulation),this.modulationEnvelope=this._modulator.envelope.set(e.modulationEnvelope),this.frequency=new t.Signal(440,t.Type.Frequency),this.detune=new t.Signal(e.detune,t.Type.Cents),this.harmonicity=new t.Multiply(e.harmonicity),this.harmonicity.units=t.Type.Positive,this.modulationIndex=new t.Multiply(e.modulationIndex),this.modulationIndex.units=t.Type.Positive,this._modulationNode=this.context.createGain(),this.frequency.connect(this._carrier.frequency),this.frequency.chain(this.harmonicity,this._modulator.frequency),this.frequency.chain(this.modulationIndex,this._modulationNode),this.detune.fan(this._carrier.detune,this._modulator.detune),this._modulator.connect(this._modulationNode.gain),this._modulationNode.gain.value=0,this._modulationNode.connect(this._carrier.frequency),this._carrier.connect(this.output),this._readOnly(["frequency","harmonicity","modulationIndex","oscillator","envelope","modulation","modulationEnvelope","detune"])},t.extend(t.FMSynth,t.Monophonic),t.FMSynth.defaults={harmonicity:3,modulationIndex:10,detune:0,oscillator:{type:"sine"},envelope:{attack:.01,decay:.01,sustain:1,release:.5},moduation:{type:"square"},modulationEnvelope:{attack:.5,decay:0,sustain:1,release:.5}},t.FMSynth.prototype._triggerEnvelopeAttack=function(t,e){return t=this.toSeconds(t),this.envelope.triggerAttack(t,e),this.modulationEnvelope.triggerAttack(t),this},t.FMSynth.prototype._triggerEnvelopeRelease=function(t){return t=this.toSeconds(t),this.envelope.triggerRelease(t),this.modulationEnvelope.triggerRelease(t),this},t.FMSynth.prototype.dispose=function(){return t.Monophonic.prototype.dispose.call(this),this._writable(["frequency","harmonicity","modulationIndex","oscillator","envelope","modulation","modulationEnvelope","detune"]),this._carrier.dispose(),this._carrier=null,this._modulator.dispose(),this._modulator=null,this.frequency.dispose(),this.frequency=null,this.detune.dispose(),this.detune=null,this.modulationIndex.dispose(),this.modulationIndex=null,this.harmonicity.dispose(),this.harmonicity=null,this._modulationNode.disconnect(),this._modulationNode=null,this.oscillator=null,this.envelope=null,this.modulationEnvelope=null,this.modulation=null,this},t.FMSynth}),e(function(t){return t.MembraneSynth=function(e){e=this.defaultArg(e,t.MembraneSynth.defaults),t.Instrument.call(this,e),this.oscillator=new t.Oscillator(e.oscillator).start(),this.envelope=new t.AmplitudeEnvelope(e.envelope),this.octaves=e.octaves,this.pitchDecay=e.pitchDecay,this.oscillator.chain(this.envelope,this.output),this._readOnly(["oscillator","envelope"])},t.extend(t.MembraneSynth,t.Instrument),t.MembraneSynth.defaults={pitchDecay:.05,octaves:10,oscillator:{type:"sine"},envelope:{attack:.001,decay:.4,sustain:.01,release:1.4,attackCurve:"exponential"}},t.MembraneSynth.prototype.triggerAttack=function(t,e,i){e=this.toSeconds(e),t=this.toFrequency(t);var s=t*this.octaves;return this.oscillator.frequency.setValueAtTime(s,e),this.oscillator.frequency.exponentialRampToValueAtTime(t,e+this.toSeconds(this.pitchDecay)),this.envelope.triggerAttack(e,i),this},t.MembraneSynth.prototype.triggerRelease=function(t){return this.envelope.triggerRelease(t),this},t.MembraneSynth.prototype.dispose=function(){return t.Instrument.prototype.dispose.call(this),this._writable(["oscillator","envelope"]),this.oscillator.dispose(),this.oscillator=null,this.envelope.dispose(),this.envelope=null,this},t.MembraneSynth}),e(function(t){var e=[1,1.483,1.932,2.546,2.63,3.897];return t.MetalSynth=function(i){var s,n,o;for(i=this.defaultArg(i,t.MetalSynth.defaults),t.Instrument.call(this,i),this.frequency=new t.Signal(i.frequency,t.Type.Frequency),this._oscillators=[],this._freqMultipliers=[],this._amplitue=new t.Gain(0).connect(this.output),this._highpass=new t.Filter({type:"highpass",Q:0}).connect(this._amplitue),this._octaves=i.octaves,this._filterFreqScaler=new t.Scale(i.resonance,7e3),this.envelope=new t.Envelope({attack:i.envelope.attack,attackCurve:"exponential",decay:i.envelope.decay,sustain:0,release:i.envelope.release}).chain(this._filterFreqScaler,this._highpass.frequency),this.envelope.connect(this._amplitue.gain),s=0;s<e.length;s++)n=new t.FMOscillator({type:"square",modulationType:"square",harmonicity:i.harmonicity,modulationIndex:i.modulationIndex}),n.connect(this._highpass).start(0),this._oscillators[s]=n,o=new t.Multiply(e[s]),this._freqMultipliers[s]=o,this.frequency.chain(o,n.frequency);this.octaves=i.octaves},t.extend(t.MetalSynth,t.Instrument),t.MetalSynth.defaults={frequency:200,envelope:{attack:.0015,decay:1.4,release:.2},harmonicity:5.1,modulationIndex:32,resonance:4e3,octaves:1.5},t.MetalSynth.prototype.triggerAttack=function(t,e){return t=this.toSeconds(t),e=this.defaultArg(e,1),this.envelope.triggerAttack(t,e),this},t.MetalSynth.prototype.triggerRelease=function(t){return t=this.toSeconds(t),this.envelope.triggerRelease(t),this},t.MetalSynth.prototype.triggerAttackRelease=function(t,e,i){var s=this.now();return e=this.toSeconds(e,s),t=this.toSeconds(t,s),this.triggerAttack(e,i),this.triggerRelease(e+t),this},Object.defineProperty(t.MetalSynth.prototype,"modulationIndex",{get:function(){return this._oscillators[0].modulationIndex.value},set:function(t){for(var e=0;e<this._oscillators.length;e++)this._oscillators[e].modulationIndex.value=t}}),Object.defineProperty(t.MetalSynth.prototype,"harmonicity",{get:function(){return this._oscillators[0].harmonicity.value},set:function(t){for(var e=0;e<this._oscillators.length;e++)this._oscillators[e].harmonicity.value=t}}),Object.defineProperty(t.MetalSynth.prototype,"resonance",{get:function(){return this._filterFreqScaler.min},set:function(t){this._filterFreqScaler.min=t,this.octaves=this._octaves}}),Object.defineProperty(t.MetalSynth.prototype,"octaves",{get:function(){return this._octaves},set:function(t){this._octaves=t,this._filterFreqScaler.max=this._filterFreqScaler.min*Math.pow(2,t)}}),t.MetalSynth.prototype.dispose=function(){t.Instrument.prototype.dispose.call(this);for(var e=0;e<this._oscillators.length;e++)this._oscillators[e].dispose(),this._freqMultipliers[e].dispose();this._oscillators=null,this._freqMultipliers=null,this.frequency.dispose(),this.frequency=null,this._filterFreqScaler.dispose(),this._filterFreqScaler=null,this._amplitue.dispose(),this._amplitue=null,this.envelope.dispose(),this.envelope=null,this._highpass.dispose(),this._highpass=null},t.MetalSynth}),e(function(t){t.Noise=function(){var e=this.optionsObject(arguments,["type"],t.Noise.defaults);t.Source.call(this,e),this._source=null,this._buffer=null,this._playbackRate=e.playbackRate,this.type=e.type},t.extend(t.Noise,t.Source),t.Noise.defaults={type:"white",playbackRate:1},Object.defineProperty(t.Noise.prototype,"type",{get:function(){return this._buffer===s?"white":this._buffer===i?"brown":this._buffer===e?"pink":void 0},set:function(n){if(this.type!==n){switch(n){case"white":this._buffer=s;break;case"pink":this._buffer=e;break;case"brown":this._buffer=i;break;default:throw new TypeError("Tone.Noise: invalid type: "+n)}if(this.state===t.State.Started){var o=this.now()+this.blockTime;this._stop(o),this._start(o)}}}}),Object.defineProperty(t.Noise.prototype,"playbackRate",{get:function(){return this._playbackRate},set:function(t){this._playbackRate=t,this._source&&(this._source.playbackRate.value=t)}}),t.Noise.prototype._start=function(t){this._source=this.context.createBufferSource(),this._source.buffer=this._buffer,this._source.loop=!0,this._source.playbackRate.value=this._playbackRate,this._source.connect(this.output),this._source.start(this.toSeconds(t),Math.random()*(this._buffer.duration-.001))},t.Noise.prototype._stop=function(t){this._source&&this._source.stop(this.toSeconds(t))},t.Noise.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),null!==this._source&&(this._source.disconnect(),this._source=null),this._buffer=null,this};var e=null,i=null,s=null;return t._initAudioContext(function(t){var n=t.sampleRate,o=4*n;e=function(){var e,i,s,r,a,h,l,u,c,p,f,d=t.createBuffer(2,o,n);for(e=0;e<d.numberOfChannels;e++)for(i=d.getChannelData(e),s=r=a=h=l=u=c=0,p=0;o>p;p++)f=2*Math.random()-1,s=.99886*s+.0555179*f,r=.99332*r+.0750759*f,a=.969*a+.153852*f,h=.8665*h+.3104856*f,l=.55*l+.5329522*f,u=-.7616*u-.016898*f,i[p]=s+r+a+h+l+u+c+.5362*f,i[p]*=.11,c=.115926*f;return d}(),i=function(){var e,i,s,r,a,h=t.createBuffer(2,o,n);for(e=0;e<h.numberOfChannels;e++)for(i=h.getChannelData(e),s=0,r=0;o>r;r++)a=2*Math.random()-1,i[r]=(s+.02*a)/1.02,s=i[r],i[r]*=3.5;return h}(),s=function(){var e,i,s,r=t.createBuffer(2,o,n);for(e=0;e<r.numberOfChannels;e++)for(i=r.getChannelData(e),s=0;o>s;s++)i[s]=2*Math.random()-1;return r}()}),t.Noise}),e(function(t){return t.NoiseSynth=function(e){e=this.defaultArg(e,t.NoiseSynth.defaults),t.Instrument.call(this,e),this.noise=new t.Noise,this.envelope=new t.AmplitudeEnvelope(e.envelope),this.noise.chain(this.envelope,this.output),this.noise.start(),this._readOnly(["noise","envelope"])},t.extend(t.NoiseSynth,t.Instrument),t.NoiseSynth.defaults={noise:{type:"white"},envelope:{attack:.005,decay:.1,sustain:0}},t.NoiseSynth.prototype.triggerAttack=function(t,e){return this.envelope.triggerAttack(t,e),this},t.NoiseSynth.prototype.triggerRelease=function(t){return this.envelope.triggerRelease(t),this},t.NoiseSynth.prototype.triggerAttackRelease=function(t,e,i){return e=this.toSeconds(e),t=this.toSeconds(t),this.triggerAttack(e,i),this.triggerRelease(e+t),this},t.NoiseSynth.prototype.dispose=function(){return t.Instrument.prototype.dispose.call(this),this._writable(["noise","envelope"]),this.noise.dispose(),this.noise=null,this.envelope.dispose(),this.envelope=null,this},t.NoiseSynth}),e(function(t){return t.PluckSynth=function(e){e=this.defaultArg(e,t.PluckSynth.defaults),t.Instrument.call(this,e),this._noise=new t.Noise("pink"),this.attackNoise=1,this._lfcf=new t.LowpassCombFilter({resonance:e.resonance,dampening:e.dampening}),this.resonance=this._lfcf.resonance,this.dampening=this._lfcf.dampening,this._noise.connect(this._lfcf),this._lfcf.connect(this.output),this._readOnly(["resonance","dampening"])},t.extend(t.PluckSynth,t.Instrument),t.PluckSynth.defaults={attackNoise:1,dampening:4e3,resonance:.9},t.PluckSynth.prototype.triggerAttack=function(t,e){t=this.toFrequency(t),e=this.toSeconds(e);var i=1/t;return this._lfcf.delayTime.setValueAtTime(i,e),this._noise.start(e),this._noise.stop(e+i*this.attackNoise),this},t.PluckSynth.prototype.dispose=function(){return t.Instrument.prototype.dispose.call(this),this._noise.dispose(),this._lfcf.dispose(),this._noise=null,this._lfcf=null,this._writable(["resonance","dampening"]),this.dampening=null,this.resonance=null,this},t.PluckSynth}),e(function(t){return t.PolySynth=function(){var e,i,s;for(t.Instrument.call(this),e=this.optionsObject(arguments,["polyphony","voice"],t.PolySynth.defaults),e=this.defaultArg(e,t.Instrument.defaults),e.polyphony=Math.min(t.PolySynth.MAX_POLYPHONY,e.polyphony),this.voices=new Array(e.polyphony),this._triggers=new Array(e.polyphony),this.detune=new t.Signal(e.detune,t.Type.Cents),this._readOnly("detune"),i=0;i<e.polyphony;i++)s=new e.voice(arguments[2],arguments[3]),this.voices[i]=s,s.connect(this.output),s.hasOwnProperty("detune")&&this.detune.connect(s.detune),this._triggers[i]={release:-1,note:null,voice:s};this.volume.value=e.volume},t.extend(t.PolySynth,t.Instrument),t.PolySynth.defaults={polyphony:4,volume:0,detune:0,voice:t.Synth},t.PolySynth.prototype.triggerAttack=function(t,e,i){var s,n,o,r,a;for(Array.isArray(t)||(t=[t]),e=this.toSeconds(e),s=0;s<t.length;s++){for(n=t[s],o=this._triggers[0],r=0,a=1;a<this._triggers.length;a++)this._triggers[a].release<o.release&&(o=this._triggers[a],r=a);o.release=1/0,o.note=JSON.stringify(n),o.voice.triggerAttack(n,e,i)}return this},t.PolySynth.prototype.triggerAttackRelease=function(t,e,i,s){var n,o;if(i=this.toSeconds(i),this.triggerAttack(t,i,s),this.isArray(e)&&this.isArray(t))for(n=0;n<t.length;n++)o=e[Math.min(n,e.length-1)],this.triggerRelease(t[n],i+this.toSeconds(o));else this.triggerRelease(t,i+this.toSeconds(e));return this},t.PolySynth.prototype.triggerRelease=function(t,e){var i,s,n,o;for(Array.isArray(t)||(t=[t]),e=this.toSeconds(e),i=0;i<t.length;i++)for(s=JSON.stringify(t[i]),n=0;n<this._triggers.length;n++)o=this._triggers[n],o.note===s&&o.release>e&&(o.voice.triggerRelease(e),o.release=e);return this},t.PolySynth.prototype.set=function(t,e,i){for(var s=0;s<this.voices.length;s++)this.voices[s].set(t,e,i);return this},t.PolySynth.prototype.get=function(t){return this.voices[0].get(t)},t.PolySynth.prototype.releaseAll=function(t){var e,i;for(t=this.toSeconds(t),e=0;e<this._triggers.length;e++)i=this._triggers[e],i.release>t&&(i.release=t,i.voice.triggerRelease(t));return this},t.PolySynth.prototype.dispose=function(){t.Instrument.prototype.dispose.call(this);for(var e=0;e<this.voices.length;e++)this.voices[e].dispose(),this.voices[e]=null;return this._writable("detune"),this.detune.dispose(),this.detune=null,this.voices=null,this._triggers=null,this},t.PolySynth.MAX_POLYPHONY=20,t.PolySynth}),e(function(t){return t.Player=function(e){var i;e instanceof t.Buffer?(e=e.get(),i=t.Player.defaults):i=this.optionsObject(arguments,["url","onload"],t.Player.defaults),
+t.Source.call(this,i),this._source=null,this.autostart=i.autostart,this._buffer=new t.Buffer({url:i.url,onload:this._onload.bind(this,i.onload),reverse:i.reverse}),e instanceof AudioBuffer&&this._buffer.set(e),this._loop=i.loop,this._loopStart=i.loopStart,this._loopEnd=i.loopEnd,this._playbackRate=i.playbackRate,this.retrigger=i.retrigger},t.extend(t.Player,t.Source),t.Player.defaults={onload:t.noOp,playbackRate:1,loop:!1,autostart:!1,loopStart:0,loopEnd:0,retrigger:!1,reverse:!1},t.Player.prototype.load=function(t,e){return this._buffer.load(t,this._onload.bind(this,e)),this},t.Player.prototype._onload=function(t){t(this),this.autostart&&this.start()},t.Player.prototype._start=function(e,i,s){if(!this._buffer.loaded)throw Error("Tone.Player: tried to start Player before the buffer was loaded");return i=this._loop?this.defaultArg(i,this._loopStart):this.defaultArg(i,0),i=this.toSeconds(i),s=this.defaultArg(s,this._buffer.duration-i),e=this.toSeconds(e),s=this.toSeconds(s),this._source=this.context.createBufferSource(),this._source.buffer=this._buffer.get(),this._loop?(this._source.loop=this._loop,this._source.loopStart=this.toSeconds(this._loopStart),this._source.loopEnd=this.toSeconds(this._loopEnd)):this._state.setStateAtTime(t.State.Stopped,e+s),this._source.playbackRate.value=this._playbackRate,this._source.connect(this.output),this._loop?this._source.start(e,i):this._source.start(e,i,s),this},t.Player.prototype._stop=function(t){return this._source&&(this._source.stop(this.toSeconds(t)),this._source=null),this},t.Player.prototype.setLoopPoints=function(t,e){return this.loopStart=t,this.loopEnd=e,this},Object.defineProperty(t.Player.prototype,"loopStart",{get:function(){return this._loopStart},set:function(t){this._loopStart=t,this._source&&(this._source.loopStart=this.toSeconds(t))}}),Object.defineProperty(t.Player.prototype,"loopEnd",{get:function(){return this._loopEnd},set:function(t){this._loopEnd=t,this._source&&(this._source.loopEnd=this.toSeconds(t))}}),Object.defineProperty(t.Player.prototype,"buffer",{get:function(){return this._buffer},set:function(t){this._buffer.set(t)}}),Object.defineProperty(t.Player.prototype,"loop",{get:function(){return this._loop},set:function(t){this._loop=t,this._source&&(this._source.loop=t)}}),Object.defineProperty(t.Player.prototype,"playbackRate",{get:function(){return this._playbackRate},set:function(t){this._playbackRate=t,this._source&&(this._source.playbackRate.value=t)}}),Object.defineProperty(t.Player.prototype,"reverse",{get:function(){return this._buffer.reverse},set:function(t){this._buffer.reverse=t}}),t.Player.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),null!==this._source&&(this._source.disconnect(),this._source=null),this._buffer.dispose(),this._buffer=null,this},t.Player}),e(function(t){return t.Sampler=function(){var e=this.optionsObject(arguments,["url","onload"],t.Sampler.defaults);t.Instrument.call(this,e),this.player=new t.Player(e.url,e.onload),this.player.retrigger=!0,this.envelope=new t.AmplitudeEnvelope(e.envelope),this.player.chain(this.envelope,this.output),this._readOnly(["player","envelope"]),this.loop=e.loop,this.reverse=e.reverse},t.extend(t.Sampler,t.Instrument),t.Sampler.defaults={onload:t.noOp,loop:!1,reverse:!1,envelope:{attack:.001,decay:0,sustain:1,release:.1}},t.Sampler.prototype.triggerAttack=function(t,e,i){return e=this.toSeconds(e),t=this.defaultArg(t,0),this.player.playbackRate=this.intervalToFrequencyRatio(t),this.player.start(e),this.envelope.triggerAttack(e,i),this},t.Sampler.prototype.triggerRelease=function(t){return t=this.toSeconds(t),this.envelope.triggerRelease(t),this.player.stop(this.toSeconds(this.envelope.release)+t),this},Object.defineProperty(t.Sampler.prototype,"loop",{get:function(){return this.player.loop},set:function(t){this.player.loop=t}}),Object.defineProperty(t.Sampler.prototype,"reverse",{get:function(){return this.player.reverse},set:function(t){this.player.reverse=t}}),t.Sampler.prototype.dispose=function(){return t.Instrument.prototype.dispose.call(this),this._writable(["player","envelope"]),this.player.dispose(),this.player=null,this.envelope.dispose(),this.envelope=null,this},t.Sampler}),e(function(t){return t.SimpleSynth=function(e){console.warn("Tone.SimpleSynth is now called Tone.Synth"),t.Synth.call(this,e)},t.extend(t.SimpleSynth,t.Synth),t.SimpleSynth}),e(function(t){return t.GainToAudio=function(){this._norm=this.input=this.output=new t.WaveShaper(function(t){return 2*Math.abs(t)-1})},t.extend(t.GainToAudio,t.SignalBase),t.GainToAudio.prototype.dispose=function(){return t.prototype.dispose.call(this),this._norm.dispose(),this._norm=null,this},t.GainToAudio}),e(function(t){return t.Normalize=function(e,i){this._inputMin=this.defaultArg(e,0),this._inputMax=this.defaultArg(i,1),this._sub=this.input=new t.Add(0),this._div=this.output=new t.Multiply(1),this._sub.connect(this._div),this._setRange()},t.extend(t.Normalize,t.SignalBase),Object.defineProperty(t.Normalize.prototype,"min",{get:function(){return this._inputMin},set:function(t){this._inputMin=t,this._setRange()}}),Object.defineProperty(t.Normalize.prototype,"max",{get:function(){return this._inputMax},set:function(t){this._inputMax=t,this._setRange()}}),t.Normalize.prototype._setRange=function(){this._sub.value=-this._inputMin,this._div.value=1/(this._inputMax-this._inputMin)},t.Normalize.prototype.dispose=function(){return t.prototype.dispose.call(this),this._sub.dispose(),this._sub=null,this._div.dispose(),this._div=null,this},t.Normalize}),e(function(t){return t.BufferSource=function(){var e=this.optionsObject(arguments,["buffer","onended"],t.BufferSource.defaults);this.onended=e.onended,this._startTime=-1,this._gainNode=this.output=this.context.createGain(),this._source=this.context.createBufferSource(),this._source.connect(this._gainNode),this._source.onended=this._onended.bind(this),this.playbackRate=this._source.playbackRate,this.fadeIn=e.fadeIn,this.fadeOut=e.fadeOut,this._gain=1,this.isUndef(e.buffer)||(this.buffer=e.buffer),this.loop=e.loop},t.extend(t.BufferSource),t.BufferSource.defaults={onended:t.noOp,fadeIn:0,fadeOut:0},Object.defineProperty(t.BufferSource.prototype,"state",{get:function(){var e=this.now();return-1!==this._startTime&&e>this._startTime?t.State.Started:t.State.Stopped}}),t.BufferSource.prototype.start=function(t,e,i,s,n){if(-1!==this._startTime)throw new Error("Tone.BufferSource: can only be started once.");if(!this.buffer)throw new Error("Tone.BufferSource: no buffer set.");return t=this.toSeconds(t),e=this.loop?this.defaultArg(e,this.loopStart):this.defaultArg(e,0),e=this.toSeconds(e),t=this.toSeconds(t),this._source.start(t,e),s=this.defaultArg(s,1),this._gain=s,n=this.toSeconds(this.isUndef(n)?this.fadeIn:n),n>0?(this._gainNode.gain.setValueAtTime(0,t),this._gainNode.gain.linearRampToValueAtTime(this._gain,t+n)):this._gainNode.gain.setValueAtTime(s,t),this._startTime=t+n,this.isUndef(i)||(i=this.defaultArg(i,this.buffer.duration-e),i=this.toSeconds(i),this.stop(t+i+n,n)),this},t.BufferSource.prototype.stop=function(t,e){if(!this.buffer)throw new Error("Tone.BufferSource: no buffer set.");return t=this.toSeconds(t),e=this.toSeconds(this.isUndef(e)?this.fadeOut:e),this._gainNode.gain.cancelScheduledValues(this._startTime+this.sampleTime),e>0?(this._gainNode.gain.setValueAtTime(this._gain,t),this._gainNode.gain.linearRampToValueAtTime(0,t+e),t+=e):this._gainNode.gain.setValueAtTime(0,t),this._source.stop(t),this},t.BufferSource.prototype._onended=function(){this.onended(this),this.dispose()},Object.defineProperty(t.BufferSource.prototype,"loopStart",{get:function(){return this._source.loopStart},set:function(t){this._source.loopStart=this.toSeconds(t)}}),Object.defineProperty(t.BufferSource.prototype,"loopEnd",{get:function(){return this._source.loopEnd},set:function(t){this._source.loopEnd=this.toSeconds(t)}}),Object.defineProperty(t.BufferSource.prototype,"buffer",{get:function(){return this._source.buffer},set:function(e){this._source.buffer=e instanceof t.Buffer?e.get():e}}),Object.defineProperty(t.BufferSource.prototype,"loop",{get:function(){return this._source.loop},set:function(t){this._source.loop=t}}),t.BufferSource.prototype.dispose=function(){return this.onended=null,this._source&&(this._source.onended=null,this._source.disconnect(),this._source=null),this._gainNode&&(this._gainNode.disconnect(),this._gainNode=null),this._startTime=-1,this.playbackRate=null,this.output=null,this},t.BufferSource}),e(function(t){return navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia,t.ExternalInput=function(){var e=this.optionsObject(arguments,["inputNum"],t.ExternalInput.defaults);t.Source.call(this,e),this._mediaStream=null,this._stream=null,this._constraints={audio:!0},this._inputNum=e.inputNum,this._gate=new t.Gain(0).connect(this.output)},t.extend(t.ExternalInput,t.Source),t.ExternalInput.defaults={inputNum:0},t.ExternalInput.prototype._getUserMedia=function(e,i){t.ExternalInput.supported||i("browser does not support 'getUserMedia'"),t.ExternalInput.sources[this._inputNum]&&(this._constraints={audio:{optional:[{sourceId:t.ExternalInput.sources[this._inputNum].id}]}}),navigator.getUserMedia(this._constraints,function(t){this._onStream(t),e()}.bind(this),function(t){i(t)})},t.ExternalInput.prototype._onStream=function(t){if(!this.isFunction(this.context.createMediaStreamSource))throw new Error("Tone.ExternalInput: browser does not support the 'MediaStreamSourceNode'");this._stream||(this._stream=t,this._mediaStream=this.context.createMediaStreamSource(t),this._mediaStream.connect(this._gate))},t.ExternalInput.prototype.open=function(e,i){return e=this.defaultArg(e,t.noOp),i=this.defaultArg(i,t.noOp),t.ExternalInput.getSources(function(){this._getUserMedia(e,i)}.bind(this)),this},t.ExternalInput.prototype.close=function(){if(this._stream){var t=this._stream.getTracks()[this._inputNum];this.isUndef(t)||t.stop(),this._stream=null}return this},t.ExternalInput.prototype._start=function(t){return t=this.toSeconds(t),this._gate.gain.setValueAtTime(1,t),this},t.ExternalInput.prototype._stop=function(t){return t=this.toSeconds(t),this._gate.gain.setValueAtTime(0,t),this},t.ExternalInput.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this.close(),this._mediaStream&&(this._mediaStream.disconnect(),this._mediaStream=null),this._constraints=null,this._gate.dispose(),this._gate=null,this},t.ExternalInput.sources=[],t.ExternalInput._canGetSources=!t.prototype.isUndef(window.MediaStreamTrack)&&t.prototype.isFunction(MediaStreamTrack.getSources),Object.defineProperty(t.ExternalInput,"supported",{get:function(){return t.prototype.isFunction(navigator.getUserMedia)}}),t.ExternalInput.getSources=function(e){return 0===t.ExternalInput.sources.length&&t.ExternalInput._canGetSources?MediaStreamTrack.getSources(function(i){for(var s=0;s<i.length;s++)"audio"===i[s].kind&&(t.ExternalInput.sources[s]=i[s]);e(t.ExternalInput.sources)}):e(t.ExternalInput.sources),this},t.ExternalInput}),e(function(t){return t.MultiPlayer=function(){var e=this.optionsObject(arguments,["urls","onload"],t.MultiPlayer.defaults);this.buffers=e.urls instanceof t.Buffers?e.urls:new t.Buffers(e.urls,e.onload),this._activeSources=[],this.fadeIn=e.fadeIn,this.fadeOut=e.fadeOut,this._volume=this.output=new t.Volume(e.volume),this.volume=this._volume.volume,this._readOnly("volume"),this._volume.output.output.channelCount=2,this._volume.output.output.channelCountMode="explicit",this.mute=e.mute},t.extend(t.MultiPlayer,t.Source),t.MultiPlayer.defaults={onload:t.noOp,fadeIn:0,fadeOut:0},t.MultiPlayer.prototype._getBuffer=function(e){return this.isNumber(e)||this.isString(e)?this.buffers.get(e).get():e instanceof t.Buffer?e.get():e},t.MultiPlayer.prototype.start=function(e,i,s,n,o,r){e=this._getBuffer(e);var a=new t.BufferSource(e).connect(this.output);return this._activeSources.push(a),i=this.toSeconds(i),a.start(i,s,n,this.defaultArg(r,1),this.fadeIn),n&&a.stop(i+this.toSeconds(n),this.fadeOut),a.onended=this._onended.bind(this),o=this.defaultArg(o,0),a.playbackRate.value=this.intervalToFrequencyRatio(o),this},t.MultiPlayer.prototype._onended=function(t){var e=this._activeSources.indexOf(t);this._activeSources.splice(e,1)},t.MultiPlayer.prototype.stop=function(t,e){t=this._getBuffer(t),e=this.toSeconds(e);for(var i=0;i<this._activeSources.length;i++)this._activeSources[i].buffer===t&&this._activeSources[i].stop(e,this.fadeOut);return this},t.MultiPlayer.prototype.stopAll=function(t){t=this.toSeconds(t);for(var e=0;e<this._activeSources.length;e++)this._activeSources[e].stop(t,this.fadeOut);return this},t.MultiPlayer.prototype.add=function(t,e,i){return this.buffers.add(t,e,i),this},Object.defineProperty(t.MultiPlayer.prototype,"state",{get:function(){return this._activeSources.length>0?t.State.Started:t.State.Stopped}}),Object.defineProperty(t.MultiPlayer.prototype,"mute",{get:function(){return this._volume.mute},set:function(t){this._volume.mute=t}}),t.MultiPlayer.prototype.dispose=function(){t.prototype.dispose.call(this),this._volume.dispose(),this._volume=null,this._writable("volume"),this.volume=null,this.buffers.dispose(),this.buffers=null;for(var e=0;e<this._activeSources.length;e++)this._activeSources[e].dispose();return this._activeSources=null,this},t.MultiPlayer}),e(function(t){return t.GrainPlayer=function(){var e=this.optionsObject(arguments,["url","onload"],t.GrainPlayer.defaults);t.Source.call(this),this.buffer=new t.Buffer(e.url,e.onload),this._player=this.output=new t.MultiPlayer,this._clock=new t.Clock(this._tick.bind(this),1),this._loopStart=0,this._loopEnd=0,this._playbackRate=e.playbackRate,this._grainSize=e.grainSize,this._overlap=e.overlap,this.detune=e.detune,this.drift=e.drift,this.overlap=e.overlap,this.loop=e.loop,this.playbackRate=e.playbackRate,this.grainSize=e.grainSize,this.loopStart=e.loopStart,this.loopEnd=e.loopEnd,this.reverse=e.reverse},t.extend(t.GrainPlayer,t.Source),t.GrainPlayer.defaults={onload:t.noOp,overlap:.1,grainSize:.2,drift:0,playbackRate:1,detune:0,loop:!1,loopStart:0,loopEnd:0,reverse:!1},t.GrainPlayer.prototype._start=function(t,e){e=this.defaultArg(e,0),e=this.toSeconds(e),t=this.toSeconds(t),this._offset=e,this._clock.start(t)},t.GrainPlayer.prototype._stop=function(t){this._clock.stop(t),this._player.stop(this.buffer,t),this._offset=0},t.GrainPlayer.prototype._tick=function(t){var e,i,s,n,o,r,a=this.buffer.duration;this.loop&&this._loopEnd>0&&(a=this._loopEnd),e=(2*Math.random()-1)*this.drift,i=this._offset-this._overlap+e,s=this.detune/100,n=this._player.fadeIn,this.loop&&this._offset>a?(o=this._offset-a,this._player.start(this.buffer,t,i,o+this._overlap,s),i=this._offset%a,this._offset=this._loopStart,this._player.fadeIn=0,this._player.start(this.buffer,t+o,this._offset,i+this._overlap,s)):this._offset>a?this.stop(t):(0>i&&(this._player.fadeIn=Math.max(this._player.fadeIn+i,0),i=0),this._player.start(this.buffer,t,i,this.grainSize+this._overlap,s)),this._player.fadeIn=n,r=this._clock._nextTick-t,this._offset+=r*this._playbackRate},t.GrainPlayer.prototype.scrub=function(t,e){return this._offset=this.toSeconds(t),this._tick(this.toSeconds(e)),this},Object.defineProperty(t.GrainPlayer.prototype,"playbackRate",{get:function(){return this._playbackRate},set:function(t){this._playbackRate=t,this.grainSize=this._grainSize}}),Object.defineProperty(t.GrainPlayer.prototype,"loopStart",{get:function(){return this._loopStart},set:function(t){this._loopStart=this.toSeconds(t)}}),Object.defineProperty(t.GrainPlayer.prototype,"loopEnd",{get:function(){return this._loopEnd},set:function(t){this._loopEnd=this.toSeconds(t)}}),Object.defineProperty(t.GrainPlayer.prototype,"reverse",{get:function(){return this.buffer.reverse},set:function(t){this.buffer.reverse=t}}),Object.defineProperty(t.GrainPlayer.prototype,"grainSize",{get:function(){return this._grainSize},set:function(t){this._grainSize=this.toSeconds(t),this._clock.frequency.value=this._playbackRate/this._grainSize}}),Object.defineProperty(t.GrainPlayer.prototype,"overlap",{get:function(){return this._overlap},set:function(t){t=this.toSeconds(t),this._overlap=t,this._overlap<0?(this._player.fadeIn=.01,this._player.fadeOut=.01):(this._player.fadeIn=t,this._player.fadeOut=t)}}),t.GrainPlayer.prototype.dispose=function(){return t.Source.prototype.dispose.call(this),this.buffer.dispose(),this.buffer=null,this._player.dispose(),this._player=null,this._clock.dispose(),this._clock=null,this},t.GrainPlayer}),e(function(t){return t.Microphone=function(){t.ExternalInput.call(this,0)},t.extend(t.Microphone,t.ExternalInput),Object.defineProperty(t.Microphone,"supported",{get:function(){return t.ExternalInput.supported}}),t.Microphone}),i});
\ No newline at end of file
diff --git a/js/vendor/intersect.js b/js/vendor/intersect.js
new file mode 100644
index 0000000..f5d09ce
--- /dev/null
+++ b/js/vendor/intersect.js
@@ -0,0 +1,114 @@
+/**
+ * @author Peter Kelley
+ * @author pgkelley4@gmail.com
+ */
+
+/**
+ * See if two line segments intersect. This uses the 
+ * vector cross product approach described below:
+ * http://stackoverflow.com/a/565282/786339
+ * 
+ * @param {Object} p point object with x and y coordinates
+ *  representing the start of the 1st line.
+ * @param {Object} p2 point object with x and y coordinates
+ *  representing the end of the 1st line.
+ * @param {Object} q point object with x and y coordinates
+ *  representing the start of the 2nd line.
+ * @param {Object} q2 point object with x and y coordinates
+ *  representing the end of the 2nd line.
+ */
+function doLineSegmentsIntersect(p, p2, q, q2) {
+	var r = subtractPoints(p2, p);
+	var s = subtractPoints(q2, q);
+
+	var uNumerator = crossProduct(subtractPoints(q, p), r);
+	var denominator = crossProduct(r, s);
+
+	if (uNumerator == 0 && denominator == 0) {
+		// They are coLlinear
+		
+		// Do they touch? (Are any of the points equal?)
+		if (equalPoints(p, q) || equalPoints(p, q2) || equalPoints(p2, q) || equalPoints(p2, q2)) {
+			return true
+		}
+		// Do they overlap? (Are all the point differences in either direction the same sign)
+		return !allEqual(
+				(q.x - p.x < 0),
+				(q.x - p2.x < 0),
+				(q2.x - p.x < 0),
+				(q2.x - p2.x < 0)) ||
+			!allEqual(
+				(q.y - p.y < 0),
+				(q.y - p2.y < 0),
+				(q2.y - p.y < 0),
+				(q2.y - p2.y < 0));
+	}
+
+	if (denominator == 0) {
+		// lines are paralell
+		return false;
+	}
+
+	var u = uNumerator / denominator;
+	var t = crossProduct(subtractPoints(q, p), s) / denominator;
+
+	return (t >= 0) && (t <= 1) && (u >= 0) && (u <= 1);
+}
+
+/**
+ * Calculate the cross product of the two points.
+ * 
+ * @param {Object} point1 point object with x and y coordinates
+ * @param {Object} point2 point object with x and y coordinates
+ * 
+ * @return the cross product result as a float
+ */
+function crossProduct(point1, point2) {
+	return point1.x * point2.y - point1.y * point2.x;
+}
+
+/**
+ * Subtract the second point from the first.
+ * 
+ * @param {Object} point1 point object with x and y coordinates
+ * @param {Object} point2 point object with x and y coordinates
+ * 
+ * @return the subtraction result as a point object
+ */ 
+function subtractPoints(point1, point2) {
+	var result = {};
+	result.x = point1.x - point2.x;
+	result.y = point1.y - point2.y;
+
+	return result;
+}
+
+/**
+ * See if the points are equal.
+ *
+ * @param {Object} point1 point object with x and y coordinates
+ * @param {Object} point2 point object with x and y coordinates
+ *
+ * @return if the points are equal
+ */
+function equalPoints(point1, point2) {
+	return (point1.x == point2.x) && (point1.y == point2.y)
+}
+
+/**
+ * See if all arguments are equal.
+ *
+ * @param {...} args arguments that will be compared by '=='.
+ *
+ * @return if all arguments are equal
+ */
+function allEqual(args) {
+	var firstValue = arguments[0],
+		i;
+	for (i = 1; i < arguments.length; i += 1) {
+		if (arguments[i] != firstValue) {
+			return false;
+		}
+	}
+	return true;
+}
\ No newline at end of file
diff --git a/js/vendor/loader.js b/js/vendor/loader.js
new file mode 100755
index 0000000..4b4fde4
--- /dev/null
+++ b/js/vendor/loader.js
@@ -0,0 +1,99 @@
+var Loader = Loader || (function(){
+  function Loader (readyCallback, view){
+    this.assets = {};
+    this.images = [];
+    this.readyCallback = readyCallback || function(){};
+    this.count = 0
+    this.view = view
+    this.loaded = false
+  }
+
+  // Register an asset as loading
+  Loader.prototype.register = function(s){
+    this.assets[s] = false;
+    this.count += 1
+  }
+
+  // Signal that an asset has loaded
+  Loader.prototype.ready = function(s){
+    window.debug && console.log("ready >> " + s);
+
+    this.assets[s] = true;
+    if (this.loaded) return;
+    
+    this.view && this.view.update( this.percentRemaining() )
+    
+    if (! this.isReady()) return;
+
+    this.loaded = true;
+    if (this.view) {
+      this.view && this.view.finish(this.readyCallback)
+    }
+    else {
+      this.readyCallback && this.readyCallback();
+    }
+  }
+
+  // (boolean) Is the loader ready?
+  Loader.prototype.isReady = function(){
+    for (var s in this.assets) {
+      if (this.assets.hasOwnProperty(s) && this.assets[s] != true) {
+        return false;
+      }
+    }
+    return true;
+  }
+  
+  // (float) Percentage of assets remaining
+  Loader.prototype.percentRemaining = function(){
+    return this.remainingAssets() / this.count 
+  }
+
+  // (int) Number of assets remaining
+  Loader.prototype.remainingAssets = function(){
+    var n = 0;
+    for (var s in this.assets) {
+      if (this.assets.hasOwnProperty(s) && this.assets[s] != true) {
+        n++;
+        // console.log('remaining: ' + s);
+      }
+    }
+    return n;
+  }
+
+  // Preload the images in config.images
+  Loader.prototype.preloadImages = function(images){
+    this.register("preload");
+    for (var i = 0; i < images.length; i++) {
+      this.preloadImage(images[i]);
+    }
+    this.ready("preload");
+  }
+  Loader.prototype.preloadImage = function(src, register, cb){
+    if (! src || src == "none") return;
+    var _this = this;
+    if (! cb && typeof register === "function") {
+      cb = register
+      register = null
+    }
+    if (register) {
+      this.register(src);
+    }
+    var img = new Image(), loaded = false;
+    img.onload = function(){
+      if (loaded) return
+      loaded = true
+      if (cb) {
+        cb(img);
+      }
+      if (register) {
+        _this.ready(src);
+      }
+    }
+    img.src = src;
+    if (img.complete) img.onload();
+    _this.images.push(img);
+  }
+
+  return Loader;
+})();
diff --git a/js/vendor/oktween.js b/js/vendor/oktween.js
new file mode 100644
index 0000000..7ecf62f
--- /dev/null
+++ b/js/vendor/oktween.js
@@ -0,0 +1,159 @@
+/*
+  oktween.add({
+    obj: el.style,
+    units: "px",
+    from: { left: 0 },
+    to: { left: 100 },
+    duration: 1000,
+    easing: oktween.easing.circ_out,
+    update: function(obj){
+      console.log(obj.left)
+    }
+    finished: function(){
+      console.log("done")
+    }
+  })
+*/
+
+var oktween = (function(){
+  var oktween = {}
+  var tweens = oktween.tweens = []
+  var last_t = 0
+  var id = 0
+  oktween.speed = 1
+  oktween.add = function(tween){
+    tween.id = id++
+    tween.obj = tween.obj || {}
+    if (tween.easing) {
+      if (typeof tween.easing == "string") {
+        tween.easing = oktween.easing[tween.easing]
+      }
+    }
+    else {
+      tween.easing = oktween.easing.linear
+    }
+    if (! ('from' in tween) && ! ('to' in tween)) {
+      tween.keys = []
+    }
+    else if (! ('from' in tween) ) {
+      tween.from = {}
+      tween.keys = Object.keys(tween.to)
+      tween.keys.forEach(function(prop){
+        tween.from[prop] = parseFloat(tween.obj[prop])
+      })
+    }
+    else {
+      tween.keys = Object.keys(tween.from)
+    }
+    tween.delay = tween.delay || 0
+    tween.start = last_t + tween.delay
+    tween.done = false
+    tween.after = tween.after || []
+    tween.then = function(fn){ tween.after.push(fn); return tween }
+    tween.tick = 0
+    tween.skip = tween.skip || 1
+    tween.dt = 0
+    tweens.push(tween)
+    return tween
+  }
+  oktween.update = function(t) {
+    requestAnimationFrame(oktween.update)
+    last_t = t * oktween.speed
+    if (tweens.length == 0) return
+    var done = false
+    tweens.forEach(function(tween, i){
+      var dt = Math.min(1.0, (t - tween.start) / tween.duration)
+      tween.tick++
+      if (dt < 0 || (dt < 1 && (tween.tick % tween.skip != 0))) return
+      var ddt = tween.dt = tween.easing(dt)
+      tween.keys.forEach(function(prop){
+        val = lerp( ddt, tween.from[prop], tween.to[prop] )
+        if (tween.round) val = Math.round(val)
+        if (tween.units) val = (Math.round(val)) + tween.units
+        tween.obj[prop] = val
+      })
+      tween.update && tween.update(tween.obj, dt)
+      if (dt == 1) {
+        tween.finished && tween.finished(tween)
+        if (tween.after.length) {
+          var twn = tween.after.shift()
+          twn.obj = twn.obj || tween.obj
+          twn.after = tween.after
+          oktween.add(twn)
+        }
+        if (tween.loop) {
+          tween.start = t + tween.delay
+        }
+        else {
+          done = tween.done = true
+        }
+      }
+    })
+    if (done) {
+      tweens = tweens.filter(function(tween){ return ! tween.done })
+    }
+  }
+  function lerp(n,a,b){ return (b-a)*n+a }
+
+  requestAnimationFrame(oktween.update)
+
+  oktween.easing = {
+    linear: function(t){
+      return t
+    },
+    circ_out: function(t) {
+      return Math.sqrt(1 - (t = t - 1) * t)
+    },
+    circ_in: function(t){
+      return -(Math.sqrt(1 - (t * t)) - 1)
+    },
+    circ_in_out: function(t) {
+      return ((t*=2) < 1) ? -0.5 * (Math.sqrt(1 - t * t) - 1) : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1)
+    },
+    quad_in: function(n){
+      return Math.pow(n, 2)
+    },
+    quad_out: function(n){
+      return n * (n - 2) * -1
+    },
+    quad_in_out: function(n){
+      n = n * 2
+      if(n < 1){ return Math.pow(n, 2) / 2 }
+      return -1 * ((--n) * (n - 2) - 1) / 2
+    },
+    cubic_bezier: function (mX1, mY1, mX2, mY2) {
+      function A(aA1, aA2) { return 1.0 - 3.0 * aA2 + 3.0 * aA1; }
+      function B(aA1, aA2) { return 3.0 * aA2 - 6.0 * aA1; }
+      function C(aA1)      { return 3.0 * aA1; }
+
+      // Returns x(t) given t, x1, and x2, or y(t) given t, y1, and y2.
+      function CalcBezier(aT, aA1, aA2) {
+        return ((A(aA1, aA2)*aT + B(aA1, aA2))*aT + C(aA1))*aT;
+      }
+
+      // Returns dx/dt given t, x1, and x2, or dy/dt given t, y1, and y2.
+      function GetSlope(aT, aA1, aA2) {
+        return 3.0 * A(aA1, aA2)*aT*aT + 2.0 * B(aA1, aA2) * aT + C(aA1);
+      }
+
+      function GetTForX(aX) {
+        // Newton raphson iteration
+        var aGuessT = aX;
+        for (var i = 0; i < 10; ++i) {
+          var currentSlope = GetSlope(aGuessT, mX1, mX2);
+          if (currentSlope == 0.0) return aGuessT;
+          var currentX = CalcBezier(aGuessT, mX1, mX2) - aX;
+          aGuessT -= currentX / currentSlope;
+        }
+        return aGuessT;
+      }
+
+      return function(aX) {
+        if (mX1 == mY1 && mX2 == mY2) return aX; // linear
+        return CalcBezier(aX, mY1, mY2);
+      }
+    }
+  }
+  
+  return oktween
+})()
diff --git a/js/vendor/snap.svg.js b/js/vendor/snap.svg.js
new file mode 100644
index 0000000..9b0699b
--- /dev/null
+++ b/js/vendor/snap.svg.js
@@ -0,0 +1,7653 @@
+// Snap.svg 0.3.0
+// 
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// 
+// build: 2014-06-03
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ┌────────────────────────────────────────────────────────────┐ \\
+// │ Eve 0.4.2 - JavaScript Events Library                      │ \\
+// ├────────────────────────────────────────────────────────────┤ \\
+// │ Author Dmitry Baranovskiy (http://dmitry.baranovskiy.com/) │ \\
+// └────────────────────────────────────────────────────────────┘ \\
+
+(function (glob) {
+    var version = "0.4.2",
+        has = "hasOwnProperty",
+        separator = /[\.\/]/,
+        comaseparator = /\s*,\s*/,
+        wildcard = "*",
+        fun = function () {},
+        numsort = function (a, b) {
+            return a - b;
+        },
+        current_event,
+        stop,
+        events = {n: {}},
+        firstDefined = function () {
+            for (var i = 0, ii = this.length; i < ii; i++) {
+                if (typeof this[i] != "undefined") {
+                    return this[i];
+                }
+            }
+        },
+        lastDefined = function () {
+            var i = this.length;
+            while (--i) {
+                if (typeof this[i] != "undefined") {
+                    return this[i];
+                }
+            }
+        },
+    /*\
+     * eve
+     [ method ]
+
+     * Fires event with given `name`, given scope and other parameters.
+
+     > Arguments
+
+     - name (string) name of the *event*, dot (`.`) or slash (`/`) separated
+     - scope (object) context for the event handlers
+     - varargs (...) the rest of arguments will be sent to event handlers
+
+     = (object) array of returned values from the listeners. Array has two methods `.firstDefined()` and `.lastDefined()` to get first or last not `undefined` value.
+    \*/
+        eve = function (name, scope) {
+            name = String(name);
+            var e = events,
+                oldstop = stop,
+                args = Array.prototype.slice.call(arguments, 2),
+                listeners = eve.listeners(name),
+                z = 0,
+                f = false,
+                l,
+                indexed = [],
+                queue = {},
+                out = [],
+                ce = current_event,
+                errors = [];
+            out.firstDefined = firstDefined;
+            out.lastDefined = lastDefined;
+            current_event = name;
+            stop = 0;
+            for (var i = 0, ii = listeners.length; i < ii; i++) if ("zIndex" in listeners[i]) {
+                indexed.push(listeners[i].zIndex);
+                if (listeners[i].zIndex < 0) {
+                    queue[listeners[i].zIndex] = listeners[i];
+                }
+            }
+            indexed.sort(numsort);
+            while (indexed[z] < 0) {
+                l = queue[indexed[z++]];
+                out.push(l.apply(scope, args));
+                if (stop) {
+                    stop = oldstop;
+                    return out;
+                }
+            }
+            for (i = 0; i < ii; i++) {
+                l = listeners[i];
+                if ("zIndex" in l) {
+                    if (l.zIndex == indexed[z]) {
+                        out.push(l.apply(scope, args));
+                        if (stop) {
+                            break;
+                        }
+                        do {
+                            z++;
+                            l = queue[indexed[z]];
+                            l && out.push(l.apply(scope, args));
+                            if (stop) {
+                                break;
+                            }
+                        } while (l)
+                    } else {
+                        queue[l.zIndex] = l;
+                    }
+                } else {
+                    out.push(l.apply(scope, args));
+                    if (stop) {
+                        break;
+                    }
+                }
+            }
+            stop = oldstop;
+            current_event = ce;
+            return out;
+        };
+        // Undocumented. Debug only.
+        eve._events = events;
+    /*\
+     * eve.listeners
+     [ method ]
+
+     * Internal method which gives you array of all event handlers that will be triggered by the given `name`.
+
+     > Arguments
+
+     - name (string) name of the event, dot (`.`) or slash (`/`) separated
+
+     = (array) array of event handlers
+    \*/
+    eve.listeners = function (name) {
+        var names = name.split(separator),
+            e = events,
+            item,
+            items,
+            k,
+            i,
+            ii,
+            j,
+            jj,
+            nes,
+            es = [e],
+            out = [];
+        for (i = 0, ii = names.length; i < ii; i++) {
+            nes = [];
+            for (j = 0, jj = es.length; j < jj; j++) {
+                e = es[j].n;
+                items = [e[names[i]], e[wildcard]];
+                k = 2;
+                while (k--) {
+                    item = items[k];
+                    if (item) {
+                        nes.push(item);
+                        out = out.concat(item.f || []);
+                    }
+                }
+            }
+            es = nes;
+        }
+        return out;
+    };
+    
+    /*\
+     * eve.on
+     [ method ]
+     **
+     * Binds given event handler with a given name. You can use wildcards “`*`” for the names:
+     | eve.on("*.under.*", f);
+     | eve("mouse.under.floor"); // triggers f
+     * Use @eve to trigger the listener.
+     **
+     > Arguments
+     **
+     - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards
+     - f (function) event handler function
+     **
+     = (function) returned function accepts a single numeric parameter that represents z-index of the handler. It is an optional feature and only used when you need to ensure that some subset of handlers will be invoked in a given order, despite of the order of assignment. 
+     > Example:
+     | eve.on("mouse", eatIt)(2);
+     | eve.on("mouse", scream);
+     | eve.on("mouse", catchIt)(1);
+     * This will ensure that `catchIt` function will be called before `eatIt`.
+     *
+     * If you want to put your handler before non-indexed handlers, specify a negative value.
+     * Note: I assume most of the time you don’t need to worry about z-index, but it’s nice to have this feature “just in case”.
+    \*/
+    eve.on = function (name, f) {
+        name = String(name);
+        if (typeof f != "function") {
+            return function () {};
+        }
+        var names = name.split(comaseparator);
+        for (var i = 0, ii = names.length; i < ii; i++) {
+            (function (name) {
+                var names = name.split(separator),
+                    e = events,
+                    exist;
+                for (var i = 0, ii = names.length; i < ii; i++) {
+                    e = e.n;
+                    e = e.hasOwnProperty(names[i]) && e[names[i]] || (e[names[i]] = {n: {}});
+                }
+                e.f = e.f || [];
+                for (i = 0, ii = e.f.length; i < ii; i++) if (e.f[i] == f) {
+                    exist = true;
+                    break;
+                }
+                !exist && e.f.push(f);
+            }(names[i]));
+        }
+        return function (zIndex) {
+            if (+zIndex == +zIndex) {
+                f.zIndex = +zIndex;
+            }
+        };
+    };
+    /*\
+     * eve.f
+     [ method ]
+     **
+     * Returns function that will fire given event with optional arguments.
+     * Arguments that will be passed to the result function will be also
+     * concated to the list of final arguments.
+     | el.onclick = eve.f("click", 1, 2);
+     | eve.on("click", function (a, b, c) {
+     |     console.log(a, b, c); // 1, 2, [event object]
+     | });
+     > Arguments
+     - event (string) event name
+     - varargs (…) and any other arguments
+     = (function) possible event handler function
+    \*/
+    eve.f = function (event) {
+        var attrs = [].slice.call(arguments, 1);
+        return function () {
+            eve.apply(null, [event, null].concat(attrs).concat([].slice.call(arguments, 0)));
+        };
+    };
+    /*\
+     * eve.stop
+     [ method ]
+     **
+     * Is used inside an event handler to stop the event, preventing any subsequent listeners from firing.
+    \*/
+    eve.stop = function () {
+        stop = 1;
+    };
+    /*\
+     * eve.nt
+     [ method ]
+     **
+     * Could be used inside event handler to figure out actual name of the event.
+     **
+     > Arguments
+     **
+     - subname (string) #optional subname of the event
+     **
+     = (string) name of the event, if `subname` is not specified
+     * or
+     = (boolean) `true`, if current event’s name contains `subname`
+    \*/
+    eve.nt = function (subname) {
+        if (subname) {
+            return new RegExp("(?:\\.|\\/|^)" + subname + "(?:\\.|\\/|$)").test(current_event);
+        }
+        return current_event;
+    };
+    /*\
+     * eve.nts
+     [ method ]
+     **
+     * Could be used inside event handler to figure out actual name of the event.
+     **
+     **
+     = (array) names of the event
+    \*/
+    eve.nts = function () {
+        return current_event.split(separator);
+    };
+    /*\
+     * eve.off
+     [ method ]
+     **
+     * Removes given function from the list of event listeners assigned to given name.
+     * If no arguments specified all the events will be cleared.
+     **
+     > Arguments
+     **
+     - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards
+     - f (function) event handler function
+    \*/
+    /*\
+     * eve.unbind
+     [ method ]
+     **
+     * See @eve.off
+    \*/
+    eve.off = eve.unbind = function (name, f) {
+        if (!name) {
+            eve._events = events = {n: {}};
+            return;
+        }
+        var names = name.split(comaseparator);
+        if (names.length > 1) {
+            for (var i = 0, ii = names.length; i < ii; i++) {
+                eve.off(names[i], f);
+            }
+            return;
+        }
+        names = name.split(separator);
+        var e,
+            key,
+            splice,
+            i, ii, j, jj,
+            cur = [events];
+        for (i = 0, ii = names.length; i < ii; i++) {
+            for (j = 0; j < cur.length; j += splice.length - 2) {
+                splice = [j, 1];
+                e = cur[j].n;
+                if (names[i] != wildcard) {
+                    if (e[names[i]]) {
+                        splice.push(e[names[i]]);
+                    }
+                } else {
+                    for (key in e) if (e[has](key)) {
+                        splice.push(e[key]);
+                    }
+                }
+                cur.splice.apply(cur, splice);
+            }
+        }
+        for (i = 0, ii = cur.length; i < ii; i++) {
+            e = cur[i];
+            while (e.n) {
+                if (f) {
+                    if (e.f) {
+                        for (j = 0, jj = e.f.length; j < jj; j++) if (e.f[j] == f) {
+                            e.f.splice(j, 1);
+                            break;
+                        }
+                        !e.f.length && delete e.f;
+                    }
+                    for (key in e.n) if (e.n[has](key) && e.n[key].f) {
+                        var funcs = e.n[key].f;
+                        for (j = 0, jj = funcs.length; j < jj; j++) if (funcs[j] == f) {
+                            funcs.splice(j, 1);
+                            break;
+                        }
+                        !funcs.length && delete e.n[key].f;
+                    }
+                } else {
+                    delete e.f;
+                    for (key in e.n) if (e.n[has](key) && e.n[key].f) {
+                        delete e.n[key].f;
+                    }
+                }
+                e = e.n;
+            }
+        }
+    };
+    /*\
+     * eve.once
+     [ method ]
+     **
+     * Binds given event handler with a given name to only run once then unbind itself.
+     | eve.once("login", f);
+     | eve("login"); // triggers f
+     | eve("login"); // no listeners
+     * Use @eve to trigger the listener.
+     **
+     > Arguments
+     **
+     - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards
+     - f (function) event handler function
+     **
+     = (function) same return function as @eve.on
+    \*/
+    eve.once = function (name, f) {
+        var f2 = function () {
+            eve.unbind(name, f2);
+            return f.apply(this, arguments);
+        };
+        return eve.on(name, f2);
+    };
+    /*\
+     * eve.version
+     [ property (string) ]
+     **
+     * Current version of the library.
+    \*/
+    eve.version = version;
+    eve.toString = function () {
+        return "You are running Eve " + version;
+    };
+    (typeof module != "undefined" && module.exports) ? (module.exports = eve) : (typeof define === "function" && define.amd ? (define("eve", [], function() { return eve; })) : (glob.eve = eve));
+})(this);
+
+(function (glob, factory) {
+    // AMD support
+    if (typeof define === "function" && define.amd) {
+        // Define as an anonymous module
+        define(["eve"], function( eve ) {
+            return factory(glob, eve);
+        });
+    } else {
+        // Browser globals (glob is window)
+        // Snap adds itself to window
+        factory(glob, glob.eve);
+    }
+}(this, function (window, eve) {
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+var mina = (function (eve) {
+    var animations = {},
+    requestAnimFrame = window.requestAnimationFrame       ||
+                       window.webkitRequestAnimationFrame ||
+                       window.mozRequestAnimationFrame    ||
+                       window.oRequestAnimationFrame      ||
+                       window.msRequestAnimationFrame     ||
+                       function (callback) {
+                           setTimeout(callback, 16);
+                       },
+    isArray = Array.isArray || function (a) {
+        return a instanceof Array ||
+            Object.prototype.toString.call(a) == "[object Array]";
+    },
+    idgen = 0,
+    idprefix = "M" + (+new Date).toString(36),
+    ID = function () {
+        return idprefix + (idgen++).toString(36);
+    },
+    diff = function (a, b, A, B) {
+        if (isArray(a)) {
+            res = [];
+            for (var i = 0, ii = a.length; i < ii; i++) {
+                res[i] = diff(a[i], b, A[i], B);
+            }
+            return res;
+        }
+        var dif = (A - a) / (B - b);
+        return function (bb) {
+            return a + dif * (bb - b);
+        };
+    },
+    timer = Date.now || function () {
+        return +new Date;
+    },
+    sta = function (val) {
+        var a = this;
+        if (val == null) {
+            return a.s;
+        }
+        var ds = a.s - val;
+        a.b += a.dur * ds;
+        a.B += a.dur * ds;
+        a.s = val;
+    },
+    speed = function (val) {
+        var a = this;
+        if (val == null) {
+            return a.spd;
+        }
+        a.spd = val;
+    },
+    duration = function (val) {
+        var a = this;
+        if (val == null) {
+            return a.dur;
+        }
+        a.s = a.s * val / a.dur;
+        a.dur = val;
+    },
+    stopit = function () {
+        var a = this;
+        delete animations[a.id];
+        a.update();
+        eve("mina.stop." + a.id, a);
+    },
+    pause = function () {
+        var a = this;
+        if (a.pdif) {
+            return;
+        }
+        delete animations[a.id];
+        a.update();
+        a.pdif = a.get() - a.b;
+    },
+    resume = function () {
+        var a = this;
+        if (!a.pdif) {
+            return;
+        }
+        a.b = a.get() - a.pdif;
+        delete a.pdif;
+        animations[a.id] = a;
+    },
+    update = function () {
+        var a = this,
+            res;
+        if (isArray(a.start)) {
+            res = [];
+            for (var j = 0, jj = a.start.length; j < jj; j++) {
+                res[j] = +a.start[j] +
+                    (a.end[j] - a.start[j]) * a.easing(a.s);
+            }
+        } else {
+            res = +a.start + (a.end - a.start) * a.easing(a.s);
+        }
+        a.set(res);
+    },
+    frame = function () {
+        var len = 0;
+        for (var i in animations) if (animations.hasOwnProperty(i)) {
+            var a = animations[i],
+                b = a.get(),
+                res;
+            len++;
+            a.s = (b - a.b) / (a.dur / a.spd);
+            if (a.s >= 1) {
+                delete animations[i];
+                a.s = 1;
+                len--;
+                (function (a) {
+                    setTimeout(function () {
+                        eve("mina.finish." + a.id, a);
+                    });
+                }(a));
+            }
+            a.update();
+        }
+        len && requestAnimFrame(frame);
+    },
+    /*\
+     * mina
+     [ method ]
+     **
+     * Generic animation of numbers
+     **
+     - a (number) start _slave_ number
+     - A (number) end _slave_ number
+     - b (number) start _master_ number (start time in general case)
+     - B (number) end _master_ number (end time in gereal case)
+     - get (function) getter of _master_ number (see @mina.time)
+     - set (function) setter of _slave_ number
+     - easing (function) #optional easing function, default is @mina.linear
+     = (object) animation descriptor
+     o {
+     o         id (string) animation id,
+     o         start (number) start _slave_ number,
+     o         end (number) end _slave_ number,
+     o         b (number) start _master_ number,
+     o         s (number) animation status (0..1),
+     o         dur (number) animation duration,
+     o         spd (number) animation speed,
+     o         get (function) getter of _master_ number (see @mina.time),
+     o         set (function) setter of _slave_ number,
+     o         easing (function) easing function, default is @mina.linear,
+     o         status (function) status getter/setter,
+     o         speed (function) speed getter/setter,
+     o         duration (function) duration getter/setter,
+     o         stop (function) animation stopper
+     o         pause (function) pauses the animation
+     o         resume (function) resumes the animation
+     o         update (function) calles setter with the right value of the animation
+     o }
+    \*/
+    mina = function (a, A, b, B, get, set, easing) {
+        var anim = {
+            id: ID(),
+            start: a,
+            end: A,
+            b: b,
+            s: 0,
+            dur: B - b,
+            spd: 1,
+            get: get,
+            set: set,
+            easing: easing || mina.linear,
+            status: sta,
+            speed: speed,
+            duration: duration,
+            stop: stopit,
+            pause: pause,
+            resume: resume,
+            update: update
+        };
+        animations[anim.id] = anim;
+        var len = 0, i;
+        for (i in animations) if (animations.hasOwnProperty(i)) {
+            len++;
+            if (len == 2) {
+                break;
+            }
+        }
+        len == 1 && requestAnimFrame(frame);
+        return anim;
+    };
+    /*\
+     * mina.time
+     [ method ]
+     **
+     * Returns the current time. Equivalent to:
+     | function () {
+     |     return (new Date).getTime();
+     | }
+    \*/
+    mina.time = timer;
+    /*\
+     * mina.getById
+     [ method ]
+     **
+     * Returns an animation by its id
+     - id (string) animation's id
+     = (object) See @mina
+    \*/
+    mina.getById = function (id) {
+        return animations[id] || null;
+    };
+
+    /*\
+     * mina.linear
+     [ method ]
+     **
+     * Default linear easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.linear = function (n) {
+        return n;
+    };
+    /*\
+     * mina.easeout
+     [ method ]
+     **
+     * Easeout easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.easeout = function (n) {
+        return Math.pow(n, 1.7);
+    };
+    /*\
+     * mina.easein
+     [ method ]
+     **
+     * Easein easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.easein = function (n) {
+        return Math.pow(n, .48);
+    };
+    /*\
+     * mina.easeinout
+     [ method ]
+     **
+     * Easeinout easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.easeinout = function (n) {
+        if (n == 1) {
+            return 1;
+        }
+        if (n == 0) {
+            return 0;
+        }
+        var q = .48 - n / 1.04,
+            Q = Math.sqrt(.1734 + q * q),
+            x = Q - q,
+            X = Math.pow(Math.abs(x), 1 / 3) * (x < 0 ? -1 : 1),
+            y = -Q - q,
+            Y = Math.pow(Math.abs(y), 1 / 3) * (y < 0 ? -1 : 1),
+            t = X + Y + .5;
+        return (1 - t) * 3 * t * t + t * t * t;
+    };
+    /*\
+     * mina.backin
+     [ method ]
+     **
+     * Backin easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.backin = function (n) {
+        if (n == 1) {
+            return 1;
+        }
+        var s = 1.70158;
+        return n * n * ((s + 1) * n - s);
+    };
+    /*\
+     * mina.backout
+     [ method ]
+     **
+     * Backout easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.backout = function (n) {
+        if (n == 0) {
+            return 0;
+        }
+        n = n - 1;
+        var s = 1.70158;
+        return n * n * ((s + 1) * n + s) + 1;
+    };
+    /*\
+     * mina.elastic
+     [ method ]
+     **
+     * Elastic easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.elastic = function (n) {
+        if (n == !!n) {
+            return n;
+        }
+        return Math.pow(2, -10 * n) * Math.sin((n - .075) *
+            (2 * Math.PI) / .3) + 1;
+    };
+    /*\
+     * mina.bounce
+     [ method ]
+     **
+     * Bounce easing
+     - n (number) input 0..1
+     = (number) output 0..1
+    \*/
+    mina.bounce = function (n) {
+        var s = 7.5625,
+            p = 2.75,
+            l;
+        if (n < (1 / p)) {
+            l = s * n * n;
+        } else {
+            if (n < (2 / p)) {
+                n -= (1.5 / p);
+                l = s * n * n + .75;
+            } else {
+                if (n < (2.5 / p)) {
+                    n -= (2.25 / p);
+                    l = s * n * n + .9375;
+                } else {
+                    n -= (2.625 / p);
+                    l = s * n * n + .984375;
+                }
+            }
+        }
+        return l;
+    };
+    window.mina = mina;
+    return mina;
+})(typeof eve == "undefined" ? function () {} : eve);
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var Snap = (function() {
+Snap.version = "0.3.0";
+/*\
+ * Snap
+ [ method ]
+ **
+ * Creates a drawing surface or wraps existing SVG element.
+ **
+ - width (number|string) width of surface
+ - height (number|string) height of surface
+ * or
+ - DOM (SVGElement) element to be wrapped into Snap structure
+ * or
+ - array (array) array of elements (will return set of elements)
+ * or
+ - query (string) CSS query selector
+ = (object) @Element
+\*/
+function Snap(w, h) {
+    if (w) {
+        if (w.tagName) {
+            return wrap(w);
+        }
+        if (is(w, "array") && Snap.set) {
+            return Snap.set.apply(Snap, w);
+        }
+        if (w instanceof Element) {
+            return w;
+        }
+        if (h == null) {
+            w = glob.doc.querySelector(w);
+            return wrap(w);
+        }
+    }
+    w = w == null ? "100%" : w;
+    h = h == null ? "100%" : h;
+    return new Paper(w, h);
+}
+Snap.toString = function () {
+    return "Snap v" + this.version;
+};
+Snap._ = {};
+var glob = {
+    win: window,
+    doc: window.document
+};
+Snap._.glob = glob;
+var has = "hasOwnProperty",
+    Str = String,
+    toFloat = parseFloat,
+    toInt = parseInt,
+    math = Math,
+    mmax = math.max,
+    mmin = math.min,
+    abs = math.abs,
+    pow = math.pow,
+    PI = math.PI,
+    round = math.round,
+    E = "",
+    S = " ",
+    objectToString = Object.prototype.toString,
+    ISURL = /^url\(['"]?([^\)]+?)['"]?\)$/i,
+    colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+%?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+%?(?:\s*,\s*[\d\.]+%?)?)\s*\)|hsba?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?%?)\s*\)|hsla?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?%?)\s*\))\s*$/i,
+    bezierrg = /^(?:cubic-)?bezier\(([^,]+),([^,]+),([^,]+),([^\)]+)\)/,
+    reURLValue = /^url\(#?([^)]+)\)$/,
+    spaces = "\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029",
+    separator = Snap._.separator = new RegExp("[," + spaces + "]+"),
+    whitespace = new RegExp("[" + spaces + "]", "g"),
+    commaSpaces = new RegExp("[" + spaces + "]*,[" + spaces + "]*"),
+    hsrg = {hs: 1, rg: 1},
+    pathCommand = new RegExp("([a-z])[" + spaces + ",]*((-?\\d*\\.?\\d*(?:e[\\-+]?\\d+)?[" + spaces + "]*,?[" + spaces + "]*)+)", "ig"),
+    tCommand = new RegExp("([rstm])[" + spaces + ",]*((-?\\d*\\.?\\d*(?:e[\\-+]?\\d+)?[" + spaces + "]*,?[" + spaces + "]*)+)", "ig"),
+    pathValues = new RegExp("(-?\\d*\\.?\\d*(?:e[\\-+]?\\d+)?)[" + spaces + "]*,?[" + spaces + "]*", "ig"),
+    idgen = 0,
+    idprefix = "S" + (+new Date).toString(36),
+    ID = function () {
+        return idprefix + (idgen++).toString(36);
+    },
+    xlink = "http://www.w3.org/1999/xlink",
+    xmlns = "http://www.w3.org/2000/svg",
+    hub = {},
+    URL = Snap.url = function (url) {
+        return "url('#" + url + "')";
+    };
+
+function $(el, attr) {
+    if (attr) {
+        if (el == "#text") {
+            el = glob.doc.createTextNode(attr.text || "");
+        }
+        if (typeof el == "string") {
+            el = $(el);
+        }
+        if (typeof attr == "string") {
+            if (attr.substring(0, 6) == "xlink:") {
+                return el.getAttributeNS(xlink, attr.substring(6));
+            }
+            if (attr.substring(0, 4) == "xml:") {
+                return el.getAttributeNS(xmlns, attr.substring(4));
+            }
+            return el.getAttribute(attr);
+        }
+        for (var key in attr) if (attr[has](key)) {
+            var val = Str(attr[key]);
+            if (val) {
+                if (key.substring(0, 6) == "xlink:") {
+                    el.setAttributeNS(xlink, key.substring(6), val);
+                } else if (key.substring(0, 4) == "xml:") {
+                    el.setAttributeNS(xmlns, key.substring(4), val);
+                } else {
+                    el.setAttribute(key, val);
+                }
+            } else {
+                el.removeAttribute(key);
+            }
+        }
+    } else {
+        el = glob.doc.createElementNS(xmlns, el);
+        // el.style && (el.style.webkitTapHighlightColor = "rgba(0,0,0,0)");
+    }
+    return el;
+}
+Snap._.$ = $;
+Snap._.id = ID;
+function getAttrs(el) {
+    var attrs = el.attributes,
+        name,
+        out = {};
+    for (var i = 0; i < attrs.length; i++) {
+        if (attrs[i].namespaceURI == xlink) {
+            name = "xlink:";
+        } else {
+            name = "";
+        }
+        name += attrs[i].name;
+        out[name] = attrs[i].textContent;
+    }
+    return out;
+}
+function is(o, type) {
+    type = Str.prototype.toLowerCase.call(type);
+    if (type == "finite") {
+        return isFinite(o);
+    }
+    if (type == "array" &&
+        (o instanceof Array || Array.isArray && Array.isArray(o))) {
+        return true;
+    }
+    return  (type == "null" && o === null) ||
+            (type == typeof o && o !== null) ||
+            (type == "object" && o === Object(o)) ||
+            objectToString.call(o).slice(8, -1).toLowerCase() == type;
+}
+/*\
+ * Snap.format
+ [ method ]
+ **
+ * Replaces construction of type `{<name>}` to the corresponding argument
+ **
+ - token (string) string to format
+ - json (object) object which properties are used as a replacement
+ = (string) formatted string
+ > Usage
+ | // this draws a rectangular shape equivalent to "M10,20h40v50h-40z"
+ | paper.path(Snap.format("M{x},{y}h{dim.width}v{dim.height}h{dim['negative width']}z", {
+ |     x: 10,
+ |     y: 20,
+ |     dim: {
+ |         width: 40,
+ |         height: 50,
+ |         "negative width": -40
+ |     }
+ | }));
+\*/
+Snap.format = (function () {
+    var tokenRegex = /\{([^\}]+)\}/g,
+        objNotationRegex = /(?:(?:^|\.)(.+?)(?=\[|\.|$|\()|\[('|")(.+?)\2\])(\(\))?/g, // matches .xxxxx or ["xxxxx"] to run over object properties
+        replacer = function (all, key, obj) {
+            var res = obj;
+            key.replace(objNotationRegex, function (all, name, quote, quotedName, isFunc) {
+                name = name || quotedName;
+                if (res) {
+                    if (name in res) {
+                        res = res[name];
+                    }
+                    typeof res == "function" && isFunc && (res = res());
+                }
+            });
+            res = (res == null || res == obj ? all : res) + "";
+            return res;
+        };
+    return function (str, obj) {
+        return Str(str).replace(tokenRegex, function (all, key) {
+            return replacer(all, key, obj);
+        });
+    };
+})();
+function clone(obj) {
+    if (typeof obj == "function" || Object(obj) !== obj) {
+        return obj;
+    }
+    var res = new obj.constructor;
+    for (var key in obj) if (obj[has](key)) {
+        res[key] = clone(obj[key]);
+    }
+    return res;
+}
+Snap._.clone = clone;
+function repush(array, item) {
+    for (var i = 0, ii = array.length; i < ii; i++) if (array[i] === item) {
+        return array.push(array.splice(i, 1)[0]);
+    }
+}
+function cacher(f, scope, postprocessor) {
+    function newf() {
+        var arg = Array.prototype.slice.call(arguments, 0),
+            args = arg.join("\u2400"),
+            cache = newf.cache = newf.cache || {},
+            count = newf.count = newf.count || [];
+        if (cache[has](args)) {
+            repush(count, args);
+            return postprocessor ? postprocessor(cache[args]) : cache[args];
+        }
+        count.length >= 1e3 && delete cache[count.shift()];
+        count.push(args);
+        cache[args] = f.apply(scope, arg);
+        return postprocessor ? postprocessor(cache[args]) : cache[args];
+    }
+    return newf;
+}
+Snap._.cacher = cacher;
+function angle(x1, y1, x2, y2, x3, y3) {
+    if (x3 == null) {
+        var x = x1 - x2,
+            y = y1 - y2;
+        if (!x && !y) {
+            return 0;
+        }
+        return (180 + math.atan2(-y, -x) * 180 / PI + 360) % 360;
+    } else {
+        return angle(x1, y1, x3, y3) - angle(x2, y2, x3, y3);
+    }
+}
+function rad(deg) {
+    return deg % 360 * PI / 180;
+}
+function deg(rad) {
+    return rad * 180 / PI % 360;
+}
+function x_y() {
+    return this.x + S + this.y;
+}
+function x_y_w_h() {
+    return this.x + S + this.y + S + this.width + " \xd7 " + this.height;
+}
+
+/*\
+ * Snap.rad
+ [ method ]
+ **
+ * Transform angle to radians
+ - deg (number) angle in degrees
+ = (number) angle in radians
+\*/
+Snap.rad = rad;
+/*\
+ * Snap.deg
+ [ method ]
+ **
+ * Transform angle to degrees
+ - rad (number) angle in radians
+ = (number) angle in degrees
+\*/
+Snap.deg = deg;
+/*\
+ * Snap.angle
+ [ method ]
+ **
+ * Returns an angle between two or three points
+ > Parameters
+ - x1 (number) x coord of first point
+ - y1 (number) y coord of first point
+ - x2 (number) x coord of second point
+ - y2 (number) y coord of second point
+ - x3 (number) #optional x coord of third point
+ - y3 (number) #optional y coord of third point
+ = (number) angle in degrees
+\*/
+Snap.angle = angle;
+/*\
+ * Snap.is
+ [ method ]
+ **
+ * Handy replacement for the `typeof` operator
+ - o (…) any object or primitive
+ - type (string) name of the type, e.g., `string`, `function`, `number`, etc.
+ = (boolean) `true` if given value is of given type
+\*/
+Snap.is = is;
+/*\
+ * Snap.snapTo
+ [ method ]
+ **
+ * Snaps given value to given grid
+ - values (array|number) given array of values or step of the grid
+ - value (number) value to adjust
+ - tolerance (number) #optional maximum distance to the target value that would trigger the snap. Default is `10`.
+ = (number) adjusted value
+\*/
+Snap.snapTo = function (values, value, tolerance) {
+    tolerance = is(tolerance, "finite") ? tolerance : 10;
+    if (is(values, "array")) {
+        var i = values.length;
+        while (i--) if (abs(values[i] - value) <= tolerance) {
+            return values[i];
+        }
+    } else {
+        values = +values;
+        var rem = value % values;
+        if (rem < tolerance) {
+            return value - rem;
+        }
+        if (rem > values - tolerance) {
+            return value - rem + values;
+        }
+    }
+    return value;
+};
+// Colour
+/*\
+ * Snap.getRGB
+ [ method ]
+ **
+ * Parses color string as RGB object
+ - color (string) color string in one of the following formats:
+ # <ul>
+ #     <li>Color name (<code>red</code>, <code>green</code>, <code>cornflowerblue</code>, etc)</li>
+ #     <li>#••• — shortened HTML color: (<code>#000</code>, <code>#fc0</code>, etc.)</li>
+ #     <li>#•••••• — full length HTML color: (<code>#000000</code>, <code>#bd2300</code>)</li>
+ #     <li>rgb(•••, •••, •••) — red, green and blue channels values: (<code>rgb(200,&nbsp;100,&nbsp;0)</code>)</li>
+ #     <li>rgba(•••, •••, •••, •••) — also with opacity</li>
+ #     <li>rgb(•••%, •••%, •••%) — same as above, but in %: (<code>rgb(100%,&nbsp;175%,&nbsp;0%)</code>)</li>
+ #     <li>rgba(•••%, •••%, •••%, •••%) — also with opacity</li>
+ #     <li>hsb(•••, •••, •••) — hue, saturation and brightness values: (<code>hsb(0.5,&nbsp;0.25,&nbsp;1)</code>)</li>
+ #     <li>hsba(•••, •••, •••, •••) — also with opacity</li>
+ #     <li>hsb(•••%, •••%, •••%) — same as above, but in %</li>
+ #     <li>hsba(•••%, •••%, •••%, •••%) — also with opacity</li>
+ #     <li>hsl(•••, •••, •••) — hue, saturation and luminosity values: (<code>hsb(0.5,&nbsp;0.25,&nbsp;0.5)</code>)</li>
+ #     <li>hsla(•••, •••, •••, •••) — also with opacity</li>
+ #     <li>hsl(•••%, •••%, •••%) — same as above, but in %</li>
+ #     <li>hsla(•••%, •••%, •••%, •••%) — also with opacity</li>
+ # </ul>
+ * Note that `%` can be used any time: `rgb(20%, 255, 50%)`.
+ = (object) RGB object in the following format:
+ o {
+ o     r (number) red,
+ o     g (number) green,
+ o     b (number) blue,
+ o     hex (string) color in HTML/CSS format: #••••••,
+ o     error (boolean) true if string can't be parsed
+ o }
+\*/
+Snap.getRGB = cacher(function (colour) {
+    if (!colour || !!((colour = Str(colour)).indexOf("-") + 1)) {
+        return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: rgbtoString};
+    }
+    if (colour == "none") {
+        return {r: -1, g: -1, b: -1, hex: "none", toString: rgbtoString};
+    }
+    !(hsrg[has](colour.toLowerCase().substring(0, 2)) || colour.charAt() == "#") && (colour = toHex(colour));
+    if (!colour) {
+        return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: rgbtoString};
+    }
+    var res,
+        red,
+        green,
+        blue,
+        opacity,
+        t,
+        values,
+        rgb = colour.match(colourRegExp);
+    if (rgb) {
+        if (rgb[2]) {
+            blue = toInt(rgb[2].substring(5), 16);
+            green = toInt(rgb[2].substring(3, 5), 16);
+            red = toInt(rgb[2].substring(1, 3), 16);
+        }
+        if (rgb[3]) {
+            blue = toInt((t = rgb[3].charAt(3)) + t, 16);
+            green = toInt((t = rgb[3].charAt(2)) + t, 16);
+            red = toInt((t = rgb[3].charAt(1)) + t, 16);
+        }
+        if (rgb[4]) {
+            values = rgb[4].split(commaSpaces);
+            red = toFloat(values[0]);
+            values[0].slice(-1) == "%" && (red *= 2.55);
+            green = toFloat(values[1]);
+            values[1].slice(-1) == "%" && (green *= 2.55);
+            blue = toFloat(values[2]);
+            values[2].slice(-1) == "%" && (blue *= 2.55);
+            rgb[1].toLowerCase().slice(0, 4) == "rgba" && (opacity = toFloat(values[3]));
+            values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
+        }
+        if (rgb[5]) {
+            values = rgb[5].split(commaSpaces);
+            red = toFloat(values[0]);
+            values[0].slice(-1) == "%" && (red /= 100);
+            green = toFloat(values[1]);
+            values[1].slice(-1) == "%" && (green /= 100);
+            blue = toFloat(values[2]);
+            values[2].slice(-1) == "%" && (blue /= 100);
+            (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360);
+            rgb[1].toLowerCase().slice(0, 4) == "hsba" && (opacity = toFloat(values[3]));
+            values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
+            return Snap.hsb2rgb(red, green, blue, opacity);
+        }
+        if (rgb[6]) {
+            values = rgb[6].split(commaSpaces);
+            red = toFloat(values[0]);
+            values[0].slice(-1) == "%" && (red /= 100);
+            green = toFloat(values[1]);
+            values[1].slice(-1) == "%" && (green /= 100);
+            blue = toFloat(values[2]);
+            values[2].slice(-1) == "%" && (blue /= 100);
+            (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360);
+            rgb[1].toLowerCase().slice(0, 4) == "hsla" && (opacity = toFloat(values[3]));
+            values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
+            return Snap.hsl2rgb(red, green, blue, opacity);
+        }
+        red = mmin(math.round(red), 255);
+        green = mmin(math.round(green), 255);
+        blue = mmin(math.round(blue), 255);
+        opacity = mmin(mmax(opacity, 0), 1);
+        rgb = {r: red, g: green, b: blue, toString: rgbtoString};
+        rgb.hex = "#" + (16777216 | blue | (green << 8) | (red << 16)).toString(16).slice(1);
+        rgb.opacity = is(opacity, "finite") ? opacity : 1;
+        return rgb;
+    }
+    return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: rgbtoString};
+}, Snap);
+// SIERRA It seems odd that the following 3 conversion methods are not expressed as .this2that(), like the others.
+/*\
+ * Snap.hsb
+ [ method ]
+ **
+ * Converts HSB values to a hex representation of the color
+ - h (number) hue
+ - s (number) saturation
+ - b (number) value or brightness
+ = (string) hex representation of the color
+\*/
+Snap.hsb = cacher(function (h, s, b) {
+    return Snap.hsb2rgb(h, s, b).hex;
+});
+/*\
+ * Snap.hsl
+ [ method ]
+ **
+ * Converts HSL values to a hex representation of the color
+ - h (number) hue
+ - s (number) saturation
+ - l (number) luminosity
+ = (string) hex representation of the color
+\*/
+Snap.hsl = cacher(function (h, s, l) {
+    return Snap.hsl2rgb(h, s, l).hex;
+});
+/*\
+ * Snap.rgb
+ [ method ]
+ **
+ * Converts RGB values to a hex representation of the color
+ - r (number) red
+ - g (number) green
+ - b (number) blue
+ = (string) hex representation of the color
+\*/
+Snap.rgb = cacher(function (r, g, b, o) {
+    if (is(o, "finite")) {
+        var round = math.round;
+        return "rgba(" + [round(r), round(g), round(b), +o.toFixed(2)] + ")";
+    }
+    return "#" + (16777216 | b | (g << 8) | (r << 16)).toString(16).slice(1);
+});
+var toHex = function (color) {
+    var i = glob.doc.getElementsByTagName("head")[0] || glob.doc.getElementsByTagName("svg")[0],
+        red = "rgb(255, 0, 0)";
+    toHex = cacher(function (color) {
+        if (color.toLowerCase() == "red") {
+            return red;
+        }
+        i.style.color = red;
+        i.style.color = color;
+        var out = glob.doc.defaultView.getComputedStyle(i, E).getPropertyValue("color");
+        return out == red ? null : out;
+    });
+    return toHex(color);
+},
+hsbtoString = function () {
+    return "hsb(" + [this.h, this.s, this.b] + ")";
+},
+hsltoString = function () {
+    return "hsl(" + [this.h, this.s, this.l] + ")";
+},
+rgbtoString = function () {
+    return this.opacity == 1 || this.opacity == null ?
+            this.hex :
+            "rgba(" + [this.r, this.g, this.b, this.opacity] + ")";
+},
+prepareRGB = function (r, g, b) {
+    if (g == null && is(r, "object") && "r" in r && "g" in r && "b" in r) {
+        b = r.b;
+        g = r.g;
+        r = r.r;
+    }
+    if (g == null && is(r, string)) {
+        var clr = Snap.getRGB(r);
+        r = clr.r;
+        g = clr.g;
+        b = clr.b;
+    }
+    if (r > 1 || g > 1 || b > 1) {
+        r /= 255;
+        g /= 255;
+        b /= 255;
+    }
+    
+    return [r, g, b];
+},
+packageRGB = function (r, g, b, o) {
+    r = math.round(r * 255);
+    g = math.round(g * 255);
+    b = math.round(b * 255);
+    var rgb = {
+        r: r,
+        g: g,
+        b: b,
+        opacity: is(o, "finite") ? o : 1,
+        hex: Snap.rgb(r, g, b),
+        toString: rgbtoString
+    };
+    is(o, "finite") && (rgb.opacity = o);
+    return rgb;
+};
+// SIERRA Clarify if Snap does not support consolidated HSLA/RGBA colors. E.g., can you specify a semi-transparent value for Snap.filter.shadow()?
+/*\
+ * Snap.color
+ [ method ]
+ **
+ * Parses the color string and returns an object featuring the color's component values
+ - clr (string) color string in one of the supported formats (see @Snap.getRGB)
+ = (object) Combined RGB/HSB object in the following format:
+ o {
+ o     r (number) red,
+ o     g (number) green,
+ o     b (number) blue,
+ o     hex (string) color in HTML/CSS format: #••••••,
+ o     error (boolean) `true` if string can't be parsed,
+ o     h (number) hue,
+ o     s (number) saturation,
+ o     v (number) value (brightness),
+ o     l (number) lightness
+ o }
+\*/
+Snap.color = function (clr) {
+    var rgb;
+    if (is(clr, "object") && "h" in clr && "s" in clr && "b" in clr) {
+        rgb = Snap.hsb2rgb(clr);
+        clr.r = rgb.r;
+        clr.g = rgb.g;
+        clr.b = rgb.b;
+        clr.opacity = 1;
+        clr.hex = rgb.hex;
+    } else if (is(clr, "object") && "h" in clr && "s" in clr && "l" in clr) {
+        rgb = Snap.hsl2rgb(clr);
+        clr.r = rgb.r;
+        clr.g = rgb.g;
+        clr.b = rgb.b;
+        clr.opacity = 1;
+        clr.hex = rgb.hex;
+    } else {
+        if (is(clr, "string")) {
+            clr = Snap.getRGB(clr);
+        }
+        if (is(clr, "object") && "r" in clr && "g" in clr && "b" in clr && !("error" in clr)) {
+            rgb = Snap.rgb2hsl(clr);
+            clr.h = rgb.h;
+            clr.s = rgb.s;
+            clr.l = rgb.l;
+            rgb = Snap.rgb2hsb(clr);
+            clr.v = rgb.b;
+        } else {
+            clr = {hex: "none"};
+            clr.r = clr.g = clr.b = clr.h = clr.s = clr.v = clr.l = -1;
+            clr.error = 1;
+        }
+    }
+    clr.toString = rgbtoString;
+    return clr;
+};
+/*\
+ * Snap.hsb2rgb
+ [ method ]
+ **
+ * Converts HSB values to an RGB object
+ - h (number) hue
+ - s (number) saturation
+ - v (number) value or brightness
+ = (object) RGB object in the following format:
+ o {
+ o     r (number) red,
+ o     g (number) green,
+ o     b (number) blue,
+ o     hex (string) color in HTML/CSS format: #••••••
+ o }
+\*/
+Snap.hsb2rgb = function (h, s, v, o) {
+    if (is(h, "object") && "h" in h && "s" in h && "b" in h) {
+        v = h.b;
+        s = h.s;
+        h = h.h;
+        o = h.o;
+    }
+    h *= 360;
+    var R, G, B, X, C;
+    h = (h % 360) / 60;
+    C = v * s;
+    X = C * (1 - abs(h % 2 - 1));
+    R = G = B = v - C;
+
+    h = ~~h;
+    R += [C, X, 0, 0, X, C][h];
+    G += [X, C, C, X, 0, 0][h];
+    B += [0, 0, X, C, C, X][h];
+    return packageRGB(R, G, B, o);
+};
+/*\
+ * Snap.hsl2rgb
+ [ method ]
+ **
+ * Converts HSL values to an RGB object
+ - h (number) hue
+ - s (number) saturation
+ - l (number) luminosity
+ = (object) RGB object in the following format:
+ o {
+ o     r (number) red,
+ o     g (number) green,
+ o     b (number) blue,
+ o     hex (string) color in HTML/CSS format: #••••••
+ o }
+\*/
+Snap.hsl2rgb = function (h, s, l, o) {
+    if (is(h, "object") && "h" in h && "s" in h && "l" in h) {
+        l = h.l;
+        s = h.s;
+        h = h.h;
+    }
+    if (h > 1 || s > 1 || l > 1) {
+        h /= 360;
+        s /= 100;
+        l /= 100;
+    }
+    h *= 360;
+    var R, G, B, X, C;
+    h = (h % 360) / 60;
+    C = 2 * s * (l < .5 ? l : 1 - l);
+    X = C * (1 - abs(h % 2 - 1));
+    R = G = B = l - C / 2;
+
+    h = ~~h;
+    R += [C, X, 0, 0, X, C][h];
+    G += [X, C, C, X, 0, 0][h];
+    B += [0, 0, X, C, C, X][h];
+    return packageRGB(R, G, B, o);
+};
+/*\
+ * Snap.rgb2hsb
+ [ method ]
+ **
+ * Converts RGB values to an HSB object
+ - r (number) red
+ - g (number) green
+ - b (number) blue
+ = (object) HSB object in the following format:
+ o {
+ o     h (number) hue,
+ o     s (number) saturation,
+ o     b (number) brightness
+ o }
+\*/
+Snap.rgb2hsb = function (r, g, b) {
+    b = prepareRGB(r, g, b);
+    r = b[0];
+    g = b[1];
+    b = b[2];
+
+    var H, S, V, C;
+    V = mmax(r, g, b);
+    C = V - mmin(r, g, b);
+    H = (C == 0 ? null :
+         V == r ? (g - b) / C :
+         V == g ? (b - r) / C + 2 :
+                  (r - g) / C + 4
+        );
+    H = ((H + 360) % 6) * 60 / 360;
+    S = C == 0 ? 0 : C / V;
+    return {h: H, s: S, b: V, toString: hsbtoString};
+};
+/*\
+ * Snap.rgb2hsl
+ [ method ]
+ **
+ * Converts RGB values to an HSL object
+ - r (number) red
+ - g (number) green
+ - b (number) blue
+ = (object) HSL object in the following format:
+ o {
+ o     h (number) hue,
+ o     s (number) saturation,
+ o     l (number) luminosity
+ o }
+\*/
+Snap.rgb2hsl = function (r, g, b) {
+    b = prepareRGB(r, g, b);
+    r = b[0];
+    g = b[1];
+    b = b[2];
+
+    var H, S, L, M, m, C;
+    M = mmax(r, g, b);
+    m = mmin(r, g, b);
+    C = M - m;
+    H = (C == 0 ? null :
+         M == r ? (g - b) / C :
+         M == g ? (b - r) / C + 2 :
+                  (r - g) / C + 4);
+    H = ((H + 360) % 6) * 60 / 360;
+    L = (M + m) / 2;
+    S = (C == 0 ? 0 :
+         L < .5 ? C / (2 * L) :
+                  C / (2 - 2 * L));
+    return {h: H, s: S, l: L, toString: hsltoString};
+};
+
+// Transformations
+// SIERRA Snap.parsePathString(): By _array of arrays,_ I assume you mean a format like this for two separate segments? [ ["M10,10","L90,90"], ["M90,10","L10,90"] ] Otherwise how is each command structured?
+/*\
+ * Snap.parsePathString
+ [ method ]
+ **
+ * Utility method
+ **
+ * Parses given path string into an array of arrays of path segments
+ - pathString (string|array) path string or array of segments (in the last case it is returned straight away)
+ = (array) array of segments
+\*/
+Snap.parsePathString = function (pathString) {
+    if (!pathString) {
+        return null;
+    }
+    var pth = Snap.path(pathString);
+    if (pth.arr) {
+        return Snap.path.clone(pth.arr);
+    }
+    
+    var paramCounts = {a: 7, c: 6, o: 2, h: 1, l: 2, m: 2, r: 4, q: 4, s: 4, t: 2, v: 1, u: 3, z: 0},
+        data = [];
+    if (is(pathString, "array") && is(pathString[0], "array")) { // rough assumption
+        data = Snap.path.clone(pathString);
+    }
+    if (!data.length) {
+        Str(pathString).replace(pathCommand, function (a, b, c) {
+            var params = [],
+                name = b.toLowerCase();
+            c.replace(pathValues, function (a, b) {
+                b && params.push(+b);
+            });
+            if (name == "m" && params.length > 2) {
+                data.push([b].concat(params.splice(0, 2)));
+                name = "l";
+                b = b == "m" ? "l" : "L";
+            }
+            if (name == "o" && params.length == 1) {
+                data.push([b, params[0]]);
+            }
+            if (name == "r") {
+                data.push([b].concat(params));
+            } else while (params.length >= paramCounts[name]) {
+                data.push([b].concat(params.splice(0, paramCounts[name])));
+                if (!paramCounts[name]) {
+                    break;
+                }
+            }
+        });
+    }
+    data.toString = Snap.path.toString;
+    pth.arr = Snap.path.clone(data);
+    return data;
+};
+/*\
+ * Snap.parseTransformString
+ [ method ]
+ **
+ * Utility method
+ **
+ * Parses given transform string into an array of transformations
+ - TString (string|array) transform string or array of transformations (in the last case it is returned straight away)
+ = (array) array of transformations
+\*/
+var parseTransformString = Snap.parseTransformString = function (TString) {
+    if (!TString) {
+        return null;
+    }
+    var paramCounts = {r: 3, s: 4, t: 2, m: 6},
+        data = [];
+    if (is(TString, "array") && is(TString[0], "array")) { // rough assumption
+        data = Snap.path.clone(TString);
+    }
+    if (!data.length) {
+        Str(TString).replace(tCommand, function (a, b, c) {
+            var params = [],
+                name = b.toLowerCase();
+            c.replace(pathValues, function (a, b) {
+                b && params.push(+b);
+            });
+            data.push([b].concat(params));
+        });
+    }
+    data.toString = Snap.path.toString;
+    return data;
+};
+function svgTransform2string(tstr) {
+    var res = [];
+    tstr = tstr.replace(/(?:^|\s)(\w+)\(([^)]+)\)/g, function (all, name, params) {
+        params = params.split(/\s*,\s*|\s+/);
+        if (name == "rotate" && params.length == 1) {
+            params.push(0, 0);
+        }
+        if (name == "scale") {
+            if (params.length > 2) {
+                params = params.slice(0, 2);
+            } else if (params.length == 2) {
+                params.push(0, 0);
+            }
+            if (params.length == 1) {
+                params.push(params[0], 0, 0);
+            }
+        }
+        if (name == "skewX") {
+            res.push(["m", 1, 0, math.tan(rad(params[0])), 1, 0, 0]);
+        } else if (name == "skewY") {
+            res.push(["m", 1, math.tan(rad(params[0])), 0, 1, 0, 0]);
+        } else {
+            res.push([name.charAt(0)].concat(params));
+        }
+        return all;
+    });
+    return res;
+}
+Snap._.svgTransform2string = svgTransform2string;
+Snap._.rgTransform = new RegExp("^[a-z][" + spaces + "]*-?\\.?\\d", "i");
+function transform2matrix(tstr, bbox) {
+    var tdata = parseTransformString(tstr),
+        m = new Snap.Matrix;
+    if (tdata) {
+        for (var i = 0, ii = tdata.length; i < ii; i++) {
+            var t = tdata[i],
+                tlen = t.length,
+                command = Str(t[0]).toLowerCase(),
+                absolute = t[0] != command,
+                inver = absolute ? m.invert() : 0,
+                x1,
+                y1,
+                x2,
+                y2,
+                bb;
+            if (command == "t" && tlen == 2){
+                m.translate(t[1], 0);
+            } else if (command == "t" && tlen == 3) {
+                if (absolute) {
+                    x1 = inver.x(0, 0);
+                    y1 = inver.y(0, 0);
+                    x2 = inver.x(t[1], t[2]);
+                    y2 = inver.y(t[1], t[2]);
+                    m.translate(x2 - x1, y2 - y1);
+                } else {
+                    m.translate(t[1], t[2]);
+                }
+            } else if (command == "r") {
+                if (tlen == 2) {
+                    bb = bb || bbox;
+                    m.rotate(t[1], bb.x + bb.width / 2, bb.y + bb.height / 2);
+                } else if (tlen == 4) {
+                    if (absolute) {
+                        x2 = inver.x(t[2], t[3]);
+                        y2 = inver.y(t[2], t[3]);
+                        m.rotate(t[1], x2, y2);
+                    } else {
+                        m.rotate(t[1], t[2], t[3]);
+                    }
+                }
+            } else if (command == "s") {
+                if (tlen == 2 || tlen == 3) {
+                    bb = bb || bbox;
+                    m.scale(t[1], t[tlen - 1], bb.x + bb.width / 2, bb.y + bb.height / 2);
+                } else if (tlen == 4) {
+                    if (absolute) {
+                        x2 = inver.x(t[2], t[3]);
+                        y2 = inver.y(t[2], t[3]);
+                        m.scale(t[1], t[1], x2, y2);
+                    } else {
+                        m.scale(t[1], t[1], t[2], t[3]);
+                    }
+                } else if (tlen == 5) {
+                    if (absolute) {
+                        x2 = inver.x(t[3], t[4]);
+                        y2 = inver.y(t[3], t[4]);
+                        m.scale(t[1], t[2], x2, y2);
+                    } else {
+                        m.scale(t[1], t[2], t[3], t[4]);
+                    }
+                }
+            } else if (command == "m" && tlen == 7) {
+                m.add(t[1], t[2], t[3], t[4], t[5], t[6]);
+            }
+        }
+    }
+    return m;
+}
+Snap._.transform2matrix = transform2matrix;
+function extractTransform(el, tstr) {
+    if (tstr == null) {
+        var doReturn = true;
+        if (el.type == "linearGradient" || el.type == "radialGradient") {
+            tstr = el.node.getAttribute("gradientTransform");
+        } else if (el.type == "pattern") {
+            tstr = el.node.getAttribute("patternTransform");
+        } else {
+            tstr = el.node.getAttribute("transform");
+        }
+        if (!tstr) {
+            return new Snap.Matrix;
+        }
+        tstr = svgTransform2string(tstr);
+    } else {
+        if (!Snap._.rgTransform.test(tstr)) {
+            tstr = svgTransform2string(tstr);
+        } else {
+            tstr = Str(tstr).replace(/\.{3}|\u2026/g, el._.transform || E);
+        }
+        if (is(tstr, "array")) {
+            tstr = Snap.path ? Snap.path.toString.call(tstr) : Str(tstr);
+        }
+        el._.transform = tstr;
+    }
+    var m = transform2matrix(tstr, el.getBBox(1));
+    if (doReturn) {
+        return m;
+    } else {
+        el.matrix = m;
+    }
+}
+Snap._unit2px = unit2px;
+var contains = glob.doc.contains || glob.doc.compareDocumentPosition ?
+    function (a, b) {
+        var adown = a.nodeType == 9 ? a.documentElement : a,
+            bup = b && b.parentNode;
+            return a == bup || !!(bup && bup.nodeType == 1 && (
+                adown.contains ?
+                    adown.contains(bup) :
+                    a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16
+            ));
+    } :
+    function (a, b) {
+        if (b) {
+            while (b) {
+                b = b.parentNode;
+                if (b == a) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    };
+function getSomeDefs(el) {
+    var p = (el.node.ownerSVGElement && wrap(el.node.ownerSVGElement)) ||
+            (el.node.parentNode && wrap(el.node.parentNode)) ||
+            Snap.select("svg") ||
+            Snap(0, 0),
+        pdefs = p.select("defs"),
+        defs  = pdefs == null ? false : pdefs.node;
+    if (!defs) {
+        defs = make("defs", p.node).node;
+    }
+    return defs;
+}
+function getSomeSVG(el) {
+    return el.node.ownerSVGElement && wrap(el.node.ownerSVGElement) || Snap.select("svg");
+}
+Snap._.getSomeDefs = getSomeDefs;
+Snap._.getSomeSVG = getSomeSVG;
+function unit2px(el, name, value) {
+    var svg = getSomeSVG(el).node,
+        out = {},
+        mgr = svg.querySelector(".svg---mgr");
+    if (!mgr) {
+        mgr = $("rect");
+        $(mgr, {x: -9e9, y: -9e9, width: 10, height: 10, "class": "svg---mgr", fill: "none"});
+        svg.appendChild(mgr);
+    }
+    function getW(val) {
+        if (val == null) {
+            return E;
+        }
+        if (val == +val) {
+            return val;
+        }
+        $(mgr, {width: val});
+        try {
+            return mgr.getBBox().width;
+        } catch (e) {
+            return 0;
+        }
+    }
+    function getH(val) {
+        if (val == null) {
+            return E;
+        }
+        if (val == +val) {
+            return val;
+        }
+        $(mgr, {height: val});
+        try {
+            return mgr.getBBox().height;
+        } catch (e) {
+            return 0;
+        }
+    }
+    function set(nam, f) {
+        if (name == null) {
+            out[nam] = f(el.attr(nam) || 0);
+        } else if (nam == name) {
+            out = f(value == null ? el.attr(nam) || 0 : value);
+        }
+    }
+    switch (el.type) {
+        case "rect":
+            set("rx", getW);
+            set("ry", getH);
+        case "image":
+            set("width", getW);
+            set("height", getH);
+        case "text":
+            set("x", getW);
+            set("y", getH);
+        break;
+        case "circle":
+            set("cx", getW);
+            set("cy", getH);
+            set("r", getW);
+        break;
+        case "ellipse":
+            set("cx", getW);
+            set("cy", getH);
+            set("rx", getW);
+            set("ry", getH);
+        break;
+        case "line":
+            set("x1", getW);
+            set("x2", getW);
+            set("y1", getH);
+            set("y2", getH);
+        break;
+        case "marker":
+            set("refX", getW);
+            set("markerWidth", getW);
+            set("refY", getH);
+            set("markerHeight", getH);
+        break;
+        case "radialGradient":
+            set("fx", getW);
+            set("fy", getH);
+        break;
+        case "tspan":
+            set("dx", getW);
+            set("dy", getH);
+        break;
+        default:
+            set(name, getW);
+    }
+    svg.removeChild(mgr);
+    return out;
+}
+/*\
+ * Snap.select
+ [ method ]
+ **
+ * Wraps a DOM element specified by CSS selector as @Element
+ - query (string) CSS selector of the element
+ = (Element) the current element
+\*/
+Snap.select = function (query) {
+    return wrap(glob.doc.querySelector(query));
+};
+/*\
+ * Snap.selectAll
+ [ method ]
+ **
+ * Wraps DOM elements specified by CSS selector as set or array of @Element
+ - query (string) CSS selector of the element
+ = (Element) the current element
+\*/
+Snap.selectAll = function (query) {
+    var nodelist = glob.doc.querySelectorAll(query),
+        set = (Snap.set || Array)();
+    for (var i = 0; i < nodelist.length; i++) {
+        set.push(wrap(nodelist[i]));
+    }
+    return set;
+};
+
+function add2group(list) {
+    if (!is(list, "array")) {
+        list = Array.prototype.slice.call(arguments, 0);
+    }
+    var i = 0,
+        j = 0,
+        node = this.node;
+    while (this[i]) delete this[i++];
+    for (i = 0; i < list.length; i++) {
+        if (list[i].type == "set") {
+            list[i].forEach(function (el) {
+                node.appendChild(el.node);
+            });
+        } else {
+            node.appendChild(list[i].node);
+        }
+    }
+    var children = node.childNodes;
+    for (i = 0; i < children.length; i++) {
+        this[j++] = wrap(children[i]);
+    }
+    return this;
+}
+// Hub garbage collector every 10s
+setInterval(function () {
+    for (var key in hub) if (hub[has](key)) {
+        var el = hub[key],
+            node = el.node;
+        if (el.type != "svg" && !node.ownerSVGElement || el.type == "svg" && (!node.parentNode || "ownerSVGElement" in node.parentNode && !node.ownerSVGElement)) {
+            delete hub[key];
+        }
+    }
+}, 1e4);
+function Element(el) {
+    if (el.snap in hub) {
+        return hub[el.snap];
+    }
+    var id = this.id = ID(),
+        svg;
+    try {
+        svg = el.ownerSVGElement;
+    } catch(e) {}
+    /*\
+     * Element.node
+     [ property (object) ]
+     **
+     * Gives you a reference to the DOM object, so you can assign event handlers or just mess around.
+     > Usage
+     | // draw a circle at coordinate 10,10 with radius of 10
+     | var c = paper.circle(10, 10, 10);
+     | c.node.onclick = function () {
+     |     c.attr("fill", "red");
+     | };
+    \*/
+    this.node = el;
+    if (svg) {
+        this.paper = new Paper(svg);
+    }
+    /*\
+     * Element.type
+     [ property (string) ]
+     **
+     * SVG tag name of the given element.
+    \*/
+    this.type = el.tagName;
+    this.anims = {};
+    this._ = {
+        transform: []
+    };
+    el.snap = id;
+    hub[id] = this;
+    if (this.type == "g") {
+        this.add = add2group;
+    }
+    if (this.type in {"g": 1, "mask": 1, "pattern": 1}) {
+        for (var method in Paper.prototype) if (Paper.prototype[has](method)) {
+            this[method] = Paper.prototype[method];
+        }
+    }
+}
+(function (elproto) {
+    /*\
+     * Element.attr
+     [ method ]
+     **
+     * Gets or sets given attributes of the element.
+     **
+     - params (object) contains key-value pairs of attributes you want to set
+     * or
+     - param (string) name of the attribute
+     = (Element) the current element
+     * or
+     = (string) value of attribute
+     > Usage
+     | el.attr({
+     |     fill: "#fc0",
+     |     stroke: "#000",
+     |     strokeWidth: 2, // CamelCase...
+     |     "fill-opacity": 0.5, // or dash-separated names
+     |     width: "*=2" // prefixed values
+     | });
+     | console.log(el.attr("fill")); // #fc0
+     * Prefixed values in format `"+=10"` supported. All four operations
+     * (`+`, `-`, `*` and `/`) could be used. Optionally you can use units for `+`
+     * and `-`: `"+=2em"`.
+    \*/
+    elproto.attr = function (params, value) {
+        var el = this,
+            node = el.node;
+        if (!params) {
+            return el;
+        }
+        if (is(params, "string")) {
+            if (arguments.length > 1) {
+                var json = {};
+                json[params] = value;
+                params = json;
+            } else {
+                return eve("snap.util.getattr." + params, el).firstDefined();
+            }
+        }
+        for (var att in params) {
+            if (params[has](att)) {
+                eve("snap.util.attr." + att, el, params[att]);
+            }
+        }
+        return el;
+    };
+    /*\
+     * Element.getBBox
+     [ method ]
+     **
+     * Returns the bounding box descriptor for the given element
+     **
+     = (object) bounding box descriptor:
+     o {
+     o     cx: (number) x of the center,
+     o     cy: (number) x of the center,
+     o     h: (number) height,
+     o     height: (number) height,
+     o     path: (string) path command for the box,
+     o     r0: (number) radius of a circle that fully encloses the box,
+     o     r1: (number) radius of the smallest circle that can be enclosed,
+     o     r2: (number) radius of the largest circle that can be enclosed,
+     o     vb: (string) box as a viewbox command,
+     o     w: (number) width,
+     o     width: (number) width,
+     o     x2: (number) x of the right side,
+     o     x: (number) x of the left side,
+     o     y2: (number) y of the bottom edge,
+     o     y: (number) y of the top edge
+     o }
+    \*/
+    elproto.getBBox = function (isWithoutTransform) {
+        if (!Snap.Matrix || !Snap.path) {
+            return this.node.getBBox();
+        }
+        var el = this,
+            m = new Snap.Matrix;
+        if (el.removed) {
+            return Snap._.box();
+        }
+        while (el.type == "use") {
+            if (!isWithoutTransform) {
+                m = m.add(el.transform().localMatrix.translate(el.attr("x") || 0, el.attr("y") || 0));
+            }
+            if (el.original) {
+                el = el.original;
+            } else {
+                var href = el.attr("xlink:href");
+                el = el.original = el.node.ownerDocument.getElementById(href.substring(href.indexOf("#") + 1));
+            }
+        }
+        var _ = el._,
+            pathfinder = Snap.path.get[el.type] || Snap.path.get.deflt;
+        try {
+            if (isWithoutTransform) {
+                _.bboxwt = pathfinder ? Snap.path.getBBox(el.realPath = pathfinder(el)) : Snap._.box(el.node.getBBox());
+                return Snap._.box(_.bboxwt);
+            } else {
+                el.realPath = pathfinder(el);
+                el.matrix = el.transform().localMatrix;
+                _.bbox = Snap.path.getBBox(Snap.path.map(el.realPath, m.add(el.matrix)));
+                return Snap._.box(_.bbox);
+            }
+        } catch (e) {
+            // Firefox doesn’t give you bbox of hidden element
+            return Snap._.box();
+        }
+    };
+    var propString = function () {
+        return this.string;
+    };
+    /*\
+     * Element.transform
+     [ method ]
+     **
+     * Gets or sets transformation of the element
+     **
+     - tstr (string) transform string in Snap or SVG format
+     = (Element) the current element
+     * or
+     = (object) transformation descriptor:
+     o {
+     o     string (string) transform string,
+     o     globalMatrix (Matrix) matrix of all transformations applied to element or its parents,
+     o     localMatrix (Matrix) matrix of transformations applied only to the element,
+     o     diffMatrix (Matrix) matrix of difference between global and local transformations,
+     o     global (string) global transformation as string,
+     o     local (string) local transformation as string,
+     o     toString (function) returns `string` property
+     o }
+    \*/
+    elproto.transform = function (tstr) {
+        var _ = this._;
+        if (tstr == null) {
+            var papa = this,
+                global = new Snap.Matrix(this.node.getCTM()),
+                local = extractTransform(this),
+                ms = [local],
+                m = new Snap.Matrix,
+                i,
+                localString = local.toTransformString(),
+                string = Str(local) == Str(this.matrix) ?
+                            Str(_.transform) : localString;
+            while (papa.type != "svg" && (papa = papa.parent())) {
+                ms.push(extractTransform(papa));
+            }
+            i = ms.length;
+            while (i--) {
+                m.add(ms[i]);
+            }
+            return {
+                string: string,
+                globalMatrix: global,
+                totalMatrix: m,
+                localMatrix: local,
+                diffMatrix: global.clone().add(local.invert()),
+                global: global.toTransformString(),
+                total: m.toTransformString(),
+                local: localString,
+                toString: propString
+            };
+        }
+        if (tstr instanceof Snap.Matrix) {
+            this.matrix = tstr;
+        } else {
+            extractTransform(this, tstr);
+        }
+
+        if (this.node) {
+            if (this.type == "linearGradient" || this.type == "radialGradient") {
+                $(this.node, {gradientTransform: this.matrix});
+            } else if (this.type == "pattern") {
+                $(this.node, {patternTransform: this.matrix});
+            } else {
+                $(this.node, {transform: this.matrix});
+            }
+        }
+
+        return this;
+    };
+    /*\
+     * Element.parent
+     [ method ]
+     **
+     * Returns the element's parent
+     **
+     = (Element) the parent element
+    \*/
+    elproto.parent = function () {
+        return wrap(this.node.parentNode);
+    };
+    /*\
+     * Element.append
+     [ method ]
+     **
+     * Appends the given element to current one
+     **
+     - el (Element|Set) element to append
+     = (Element) the parent element
+    \*/
+    /*\
+     * Element.add
+     [ method ]
+     **
+     * See @Element.append
+    \*/
+    elproto.append = elproto.add = function (el) {
+        if (el) {
+            if (el.type == "set") {
+                var it = this;
+                el.forEach(function (el) {
+                    it.add(el);
+                });
+                return this;
+            }
+            el = wrap(el);
+            this.node.appendChild(el.node);
+            el.paper = this.paper;
+        }
+        return this;
+    };
+    /*\
+     * Element.appendTo
+     [ method ]
+     **
+     * Appends the current element to the given one
+     **
+     - el (Element) parent element to append to
+     = (Element) the child element
+    \*/
+    elproto.appendTo = function (el) {
+        if (el) {
+            el = wrap(el);
+            el.append(this);
+        }
+        return this;
+    };
+    /*\
+     * Element.prepend
+     [ method ]
+     **
+     * Prepends the given element to the current one
+     **
+     - el (Element) element to prepend
+     = (Element) the parent element
+    \*/
+    elproto.prepend = function (el) {
+        if (el) {
+            if (el.type == "set") {
+                var it = this,
+                    first;
+                el.forEach(function (el) {
+                    if (first) {
+                        first.after(el);
+                    } else {
+                        it.prepend(el);
+                    }
+                    first = el;
+                });
+                return this;
+            }
+            el = wrap(el);
+            var parent = el.parent();
+            this.node.insertBefore(el.node, this.node.firstChild);
+            this.add && this.add();
+            el.paper = this.paper;
+            this.parent() && this.parent().add();
+            parent && parent.add();
+        }
+        return this;
+    };
+    /*\
+     * Element.prependTo
+     [ method ]
+     **
+     * Prepends the current element to the given one
+     **
+     - el (Element) parent element to prepend to
+     = (Element) the child element
+    \*/
+    elproto.prependTo = function (el) {
+        el = wrap(el);
+        el.prepend(this);
+        return this;
+    };
+    /*\
+     * Element.before
+     [ method ]
+     **
+     * Inserts given element before the current one
+     **
+     - el (Element) element to insert
+     = (Element) the parent element
+    \*/
+    elproto.before = function (el) {
+        if (el.type == "set") {
+            var it = this;
+            el.forEach(function (el) {
+                var parent = el.parent();
+                it.node.parentNode.insertBefore(el.node, it.node);
+                parent && parent.add();
+            });
+            this.parent().add();
+            return this;
+        }
+        el = wrap(el);
+        var parent = el.parent();
+        this.node.parentNode.insertBefore(el.node, this.node);
+        this.parent() && this.parent().add();
+        parent && parent.add();
+        el.paper = this.paper;
+        return this;
+    };
+    /*\
+     * Element.after
+     [ method ]
+     **
+     * Inserts given element after the current one
+     **
+     - el (Element) element to insert
+     = (Element) the parent element
+    \*/
+    elproto.after = function (el) {
+        el = wrap(el);
+        var parent = el.parent();
+        if (this.node.nextSibling) {
+            this.node.parentNode.insertBefore(el.node, this.node.nextSibling);
+        } else {
+            this.node.parentNode.appendChild(el.node);
+        }
+        this.parent() && this.parent().add();
+        parent && parent.add();
+        el.paper = this.paper;
+        return this;
+    };
+    /*\
+     * Element.insertBefore
+     [ method ]
+     **
+     * Inserts the element after the given one
+     **
+     - el (Element) element next to whom insert to
+     = (Element) the parent element
+    \*/
+    elproto.insertBefore = function (el) {
+        el = wrap(el);
+        var parent = this.parent();
+        el.node.parentNode.insertBefore(this.node, el.node);
+        this.paper = el.paper;
+        parent && parent.add();
+        el.parent() && el.parent().add();
+        return this;
+    };
+    /*\
+     * Element.insertAfter
+     [ method ]
+     **
+     * Inserts the element after the given one
+     **
+     - el (Element) element next to whom insert to
+     = (Element) the parent element
+    \*/
+    elproto.insertAfter = function (el) {
+        el = wrap(el);
+        var parent = this.parent();
+        el.node.parentNode.insertBefore(this.node, el.node.nextSibling);
+        this.paper = el.paper;
+        parent && parent.add();
+        el.parent() && el.parent().add();
+        return this;
+    };
+    /*\
+     * Element.remove
+     [ method ]
+     **
+     * Removes element from the DOM
+     = (Element) the detached element
+    \*/
+    elproto.remove = function () {
+        var parent = this.parent();
+        this.node.parentNode && this.node.parentNode.removeChild(this.node);
+        delete this.paper;
+        this.removed = true;
+        parent && parent.add();
+        return this;
+    };
+    /*\
+     * Element.select
+     [ method ]
+     **
+     * Gathers the nested @Element matching the given set of CSS selectors
+     **
+     - query (string) CSS selector
+     = (Element) result of query selection
+    \*/
+    elproto.select = function (query) {
+        return wrap(this.node.querySelector(query));
+    };
+    /*\
+     * Element.selectAll
+     [ method ]
+     **
+     * Gathers nested @Element objects matching the given set of CSS selectors
+     **
+     - query (string) CSS selector
+     = (Set|array) result of query selection
+    \*/
+    elproto.selectAll = function (query) {
+        var nodelist = this.node.querySelectorAll(query),
+            set = (Snap.set || Array)();
+        for (var i = 0; i < nodelist.length; i++) {
+            set.push(wrap(nodelist[i]));
+        }
+        return set;
+    };
+    /*\
+     * Element.asPX
+     [ method ]
+     **
+     * Returns given attribute of the element as a `px` value (not %, em, etc.)
+     **
+     - attr (string) attribute name
+     - value (string) #optional attribute value
+     = (Element) result of query selection
+    \*/
+    elproto.asPX = function (attr, value) {
+        if (value == null) {
+            value = this.attr(attr);
+        }
+        return +unit2px(this, attr, value);
+    };
+    // SIERRA Element.use(): I suggest adding a note about how to access the original element the returned <use> instantiates. It's a part of SVG with which ordinary web developers may be least familiar.
+    /*\
+     * Element.use
+     [ method ]
+     **
+     * Creates a `<use>` element linked to the current element
+     **
+     = (Element) the `<use>` element
+    \*/
+    elproto.use = function () {
+        var use,
+            id = this.node.id;
+        if (!id) {
+            id = this.id;
+            $(this.node, {
+                id: id
+            });
+        }
+        if (this.type == "linearGradient" || this.type == "radialGradient" ||
+            this.type == "pattern") {
+            use = make(this.type, this.node.parentNode);
+        } else {
+            use = make("use", this.node.parentNode);
+        }
+        $(use.node, {
+            "xlink:href": "#" + id
+        });
+        use.original = this;
+        return use;
+    };
+    /*\
+     * Element.clone
+     [ method ]
+     **
+     * Creates a clone of the element and inserts it after the element
+     **
+     = (Element) the clone
+    \*/
+    function fixids(el) {
+        var els = el.selectAll("*"),
+            it,
+            url = /^\s*url\(("|'|)(.*)\1\)\s*$/,
+            ids = [],
+            uses = {};
+        function urltest(it, name) {
+            var val = $(it.node, name);
+            val = val && val.match(url);
+            val = val && val[2];
+            if (val && val.charAt() == "#") {
+                val = val.substring(1);
+            } else {
+                return;
+            }
+            if (val) {
+                uses[val] = (uses[val] || []).concat(function (id) {
+                    var attr = {};
+                    attr[name] = URL(id);
+                    $(it.node, attr);
+                });
+            }
+        }
+        function linktest(it) {
+            var val = $(it.node, "xlink:href");
+            if (val && val.charAt() == "#") {
+                val = val.substring(1);
+            } else {
+                return;
+            }
+            if (val) {
+                uses[val] = (uses[val] || []).concat(function (id) {
+                    it.attr("xlink:href", "#" + id);
+                });
+            }
+        }
+        for (var i = 0, ii = els.length; i < ii; i++) {
+            it = els[i];
+            urltest(it, "fill");
+            urltest(it, "stroke");
+            urltest(it, "filter");
+            urltest(it, "mask");
+            urltest(it, "clip-path");
+            linktest(it);
+            var oldid = $(it.node, "id");
+            if (oldid) {
+                $(it.node, {id: it.id});
+                ids.push({
+                    old: oldid,
+                    id: it.id
+                });
+            }
+        }
+        for (i = 0, ii = ids.length; i < ii; i++) {
+            var fs = uses[ids[i].old];
+            if (fs) {
+                for (var j = 0, jj = fs.length; j < jj; j++) {
+                    fs[j](ids[i].id);
+                }
+            }
+        }
+    }
+    var rgNotSpace = /\S+/g,
+        rgBadSpace = /[\t\r\n\f]/g,
+        rgTrim = /(^\s+|\s+$)/g;
+    elproto.addClass = function (value) {
+        var classes = (value || "").match(rgNotSpace) || [],
+            elem = this.node,
+            className = elem.className.baseVal,
+            curClasses = className.match(rgNotSpace) || [],
+            j,
+            pos,
+            clazz,
+            finalValue;
+
+        if (classes.length) {
+            j = 0;
+            while ((clazz = classes[j++])) {
+                pos = curClasses.indexOf(clazz);
+                if (!~pos) {
+                    curClasses.push(clazz);
+                }
+            }
+
+            finalValue = curClasses.join(" ");
+            if (className != finalValue) {
+                elem.className.baseVal = finalValue;
+            }
+        }
+        return this;
+    };
+    elproto.removeClass = function (value) {
+        var classes = (value || "").match(rgNotSpace) || [],
+            elem = this.node,
+            className = elem.className.baseVal,
+            curClasses = className.match(rgNotSpace) || [],
+            j,
+            pos,
+            clazz,
+            finalValue;
+        if (curClasses.length) {
+            j = 0;
+            while ((clazz = classes[j++])) {
+                pos = curClasses.indexOf(clazz);
+                if (~pos) {
+                    curClasses.splice(pos, 1);
+                }
+            }
+
+            finalValue = curClasses.join(" ");
+            if (className != finalValue) {
+                elem.className.baseVal = finalValue;
+            }
+        }
+        return this;
+    };
+    elproto.hasClass = function (value) {
+        var elem = this.node,
+            className = elem.className.baseVal,
+            curClasses = className.match(rgNotSpace) || [];
+        return !!~curClasses.indexOf(value);
+    };
+    elproto.toggleClass = function (value, flag) {
+        if (flag != null) {
+            if (flag) {
+                return this.addClass(value);
+            } else {
+                return this.removeClass(value);
+            }
+        }
+        var classes = (value || "").match(rgNotSpace) || [],
+            elem = this.node,
+            className = elem.className.baseVal,
+            curClasses = className.match(rgNotSpace) || [],
+            j,
+            pos,
+            clazz,
+            finalValue;
+        j = 0;
+        while ((clazz = classes[j++])) {
+            pos = curClasses.indexOf(clazz);
+            if (~pos) {
+                curClasses.splice(pos, 1);
+            } else {
+                curClasses.push(clazz);
+            }
+        }
+
+        finalValue = curClasses.join(" ");
+        if (className != finalValue) {
+            elem.className.baseVal = finalValue;
+        }
+        return this;
+    };
+    elproto.clone = function () {
+        var clone = wrap(this.node.cloneNode(true));
+        if ($(clone.node, "id")) {
+            $(clone.node, {id: clone.id});
+        }
+        fixids(clone);
+        clone.insertAfter(this);
+        return clone;
+    };
+    /*\
+     * Element.toDefs
+     [ method ]
+     **
+     * Moves element to the shared `<defs>` area
+     **
+     = (Element) the element
+    \*/
+    elproto.toDefs = function () {
+        var defs = getSomeDefs(this);
+        defs.appendChild(this.node);
+        return this;
+    };
+    /*\
+     * Element.pattern
+     [ method ]
+     **
+     * Depricated. Use @Element.toPattern instead.
+    \*/
+    /*\
+     * Element.toPattern
+     [ method ]
+     **
+     * Creates a `<pattern>` element from the current element
+     **
+     * To create a pattern you have to specify the pattern rect:
+     - x (string|number)
+     - y (string|number)
+     - width (string|number)
+     - height (string|number)
+     = (Element) the `<pattern>` element
+     * You can use pattern later on as an argument for `fill` attribute:
+     | var p = paper.path("M10-5-10,15M15,0,0,15M0-5-20,15").attr({
+     |         fill: "none",
+     |         stroke: "#bada55",
+     |         strokeWidth: 5
+     |     }).pattern(0, 0, 10, 10),
+     |     c = paper.circle(200, 200, 100);
+     | c.attr({
+     |     fill: p
+     | });
+    \*/
+    elproto.pattern = elproto.toPattern = function (x, y, width, height) {
+        var p = make("pattern", getSomeDefs(this));
+        if (x == null) {
+            x = this.getBBox();
+        }
+        if (is(x, "object") && "x" in x) {
+            y = x.y;
+            width = x.width;
+            height = x.height;
+            x = x.x;
+        }
+        $(p.node, {
+            x: x,
+            y: y,
+            width: width,
+            height: height,
+            patternUnits: "userSpaceOnUse",
+            id: p.id,
+            viewBox: [x, y, width, height].join(" ")
+        });
+        p.node.appendChild(this.node);
+        return p;
+    };
+// SIERRA Element.marker(): clarify what a reference point is. E.g., helps you offset the object from its edge such as when centering it over a path.
+// SIERRA Element.marker(): I suggest the method should accept default reference point values.  Perhaps centered with (refX = width/2) and (refY = height/2)? Also, couldn't it assume the element's current _width_ and _height_? And please specify what _x_ and _y_ mean: offsets? If so, from where?  Couldn't they also be assigned default values?
+    /*\
+     * Element.marker
+     [ method ]
+     **
+     * Creates a `<marker>` element from the current element
+     **
+     * To create a marker you have to specify the bounding rect and reference point:
+     - x (number)
+     - y (number)
+     - width (number)
+     - height (number)
+     - refX (number)
+     - refY (number)
+     = (Element) the `<marker>` element
+     * You can specify the marker later as an argument for `marker-start`, `marker-end`, `marker-mid`, and `marker` attributes. The `marker` attribute places the marker at every point along the path, and `marker-mid` places them at every point except the start and end.
+    \*/
+    // TODO add usage for markers
+    elproto.marker = function (x, y, width, height, refX, refY) {
+        var p = make("marker", getSomeDefs(this));
+        if (x == null) {
+            x = this.getBBox();
+        }
+        if (is(x, "object") && "x" in x) {
+            y = x.y;
+            width = x.width;
+            height = x.height;
+            refX = x.refX || x.cx;
+            refY = x.refY || x.cy;
+            x = x.x;
+        }
+        $(p.node, {
+            viewBox: [x, y, width, height].join(S),
+            markerWidth: width,
+            markerHeight: height,
+            orient: "auto",
+            refX: refX || 0,
+            refY: refY || 0,
+            id: p.id
+        });
+        p.node.appendChild(this.node);
+        return p;
+    };
+    // animation
+    function slice(from, to, f) {
+        return function (arr) {
+            var res = arr.slice(from, to);
+            if (res.length == 1) {
+                res = res[0];
+            }
+            return f ? f(res) : res;
+        };
+    }
+    var Animation = function (attr, ms, easing, callback) {
+        if (typeof easing == "function" && !easing.length) {
+            callback = easing;
+            easing = mina.linear;
+        }
+        this.attr = attr;
+        this.dur = ms;
+        easing && (this.easing = easing);
+        callback && (this.callback = callback);
+    };
+    Snap._.Animation = Animation;
+    /*\
+     * Snap.animation
+     [ method ]
+     **
+     * Creates an animation object
+     **
+     - attr (object) attributes of final destination
+     - duration (number) duration of the animation, in milliseconds
+     - easing (function) #optional one of easing functions of @mina or custom one
+     - callback (function) #optional callback function that fires when animation ends
+     = (object) animation object
+    \*/
+    Snap.animation = function (attr, ms, easing, callback) {
+        return new Animation(attr, ms, easing, callback);
+    };
+    /*\
+     * Element.inAnim
+     [ method ]
+     **
+     * Returns a set of animations that may be able to manipulate the current element
+     **
+     = (object) in format:
+     o {
+     o     anim (object) animation object,
+     o     mina (object) @mina object,
+     o     curStatus (number) 0..1 — status of the animation: 0 — just started, 1 — just finished,
+     o     status (function) gets or sets the status of the animation,
+     o     stop (function) stops the animation
+     o }
+    \*/
+    elproto.inAnim = function () {
+        var el = this,
+            res = [];
+        for (var id in el.anims) if (el.anims[has](id)) {
+            (function (a) {
+                res.push({
+                    anim: new Animation(a._attrs, a.dur, a.easing, a._callback),
+                    mina: a,
+                    curStatus: a.status(),
+                    status: function (val) {
+                        return a.status(val);
+                    },
+                    stop: function () {
+                        a.stop();
+                    }
+                });
+            }(el.anims[id]));
+        }
+        return res;
+    };
+    /*\
+     * Snap.animate
+     [ method ]
+     **
+     * Runs generic animation of one number into another with a caring function
+     **
+     - from (number|array) number or array of numbers
+     - to (number|array) number or array of numbers
+     - setter (function) caring function that accepts one number argument
+     - duration (number) duration, in milliseconds
+     - easing (function) #optional easing function from @mina or custom
+     - callback (function) #optional callback function to execute when animation ends
+     = (object) animation object in @mina format
+     o {
+     o     id (string) animation id, consider it read-only,
+     o     duration (function) gets or sets the duration of the animation,
+     o     easing (function) easing,
+     o     speed (function) gets or sets the speed of the animation,
+     o     status (function) gets or sets the status of the animation,
+     o     stop (function) stops the animation
+     o }
+     | var rect = Snap().rect(0, 0, 10, 10);
+     | Snap.animate(0, 10, function (val) {
+     |     rect.attr({
+     |         x: val
+     |     });
+     | }, 1000);
+     | // in given context is equivalent to
+     | rect.animate({x: 10}, 1000);
+    \*/
+    Snap.animate = function (from, to, setter, ms, easing, callback) {
+        if (typeof easing == "function" && !easing.length) {
+            callback = easing;
+            easing = mina.linear;
+        }
+        var now = mina.time(),
+            anim = mina(from, to, now, now + ms, mina.time, setter, easing);
+        callback && eve.once("mina.finish." + anim.id, callback);
+        return anim;
+    };
+    /*\
+     * Element.stop
+     [ method ]
+     **
+     * Stops all the animations for the current element
+     **
+     = (Element) the current element
+    \*/
+    elproto.stop = function () {
+        var anims = this.inAnim();
+        for (var i = 0, ii = anims.length; i < ii; i++) {
+            anims[i].stop();
+        }
+        return this;
+    };
+    /*\
+     * Element.animate
+     [ method ]
+     **
+     * Animates the given attributes of the element
+     **
+     - attrs (object) key-value pairs of destination attributes
+     - duration (number) duration of the animation in milliseconds
+     - easing (function) #optional easing function from @mina or custom
+     - callback (function) #optional callback function that executes when the animation ends
+     = (Element) the current element
+    \*/
+    elproto.animate = function (attrs, ms, easing, callback) {
+        if (typeof easing == "function" && !easing.length) {
+            callback = easing;
+            easing = mina.linear;
+        }
+        if (attrs instanceof Animation) {
+            callback = attrs.callback;
+            easing = attrs.easing;
+            ms = easing.dur;
+            attrs = attrs.attr;
+        }
+        var fkeys = [], tkeys = [], keys = {}, from, to, f, eq,
+            el = this;
+        for (var key in attrs) if (attrs[has](key)) {
+            if (el.equal) {
+                eq = el.equal(key, Str(attrs[key]));
+                from = eq.from;
+                to = eq.to;
+                f = eq.f;
+            } else {
+                from = +el.attr(key);
+                to = +attrs[key];
+            }
+            var len = is(from, "array") ? from.length : 1;
+            keys[key] = slice(fkeys.length, fkeys.length + len, f);
+            fkeys = fkeys.concat(from);
+            tkeys = tkeys.concat(to);
+        }
+        var now = mina.time(),
+            anim = mina(fkeys, tkeys, now, now + ms, mina.time, function (val) {
+                var attr = {};
+                for (var key in keys) if (keys[has](key)) {
+                    attr[key] = keys[key](val);
+                }
+                el.attr(attr);
+            }, easing);
+        el.anims[anim.id] = anim;
+        anim._attrs = attrs;
+        anim._callback = callback;
+        eve("snap.animcreated." + el.id, anim);
+        eve.once("mina.finish." + anim.id, function () {
+            delete el.anims[anim.id];
+            callback && callback.call(el);
+        });
+        eve.once("mina.stop." + anim.id, function () {
+            delete el.anims[anim.id];
+        });
+        return el;
+    };
+    var eldata = {};
+    /*\
+     * Element.data
+     [ method ]
+     **
+     * Adds or retrieves given value associated with given key. (Don’t confuse
+     * with `data-` attributes)
+     *
+     * See also @Element.removeData
+     - key (string) key to store data
+     - value (any) #optional value to store
+     = (object) @Element
+     * or, if value is not specified:
+     = (any) value
+     > Usage
+     | for (var i = 0, i < 5, i++) {
+     |     paper.circle(10 + 15 * i, 10, 10)
+     |          .attr({fill: "#000"})
+     |          .data("i", i)
+     |          .click(function () {
+     |             alert(this.data("i"));
+     |          });
+     | }
+    \*/
+    elproto.data = function (key, value) {
+        var data = eldata[this.id] = eldata[this.id] || {};
+        if (arguments.length == 0){
+            eve("snap.data.get." + this.id, this, data, null);
+            return data;
+        }
+        if (arguments.length == 1) {
+            if (Snap.is(key, "object")) {
+                for (var i in key) if (key[has](i)) {
+                    this.data(i, key[i]);
+                }
+                return this;
+            }
+            eve("snap.data.get." + this.id, this, data[key], key);
+            return data[key];
+        }
+        data[key] = value;
+        eve("snap.data.set." + this.id, this, value, key);
+        return this;
+    };
+    /*\
+     * Element.removeData
+     [ method ]
+     **
+     * Removes value associated with an element by given key.
+     * If key is not provided, removes all the data of the element.
+     - key (string) #optional key
+     = (object) @Element
+    \*/
+    elproto.removeData = function (key) {
+        if (key == null) {
+            eldata[this.id] = {};
+        } else {
+            eldata[this.id] && delete eldata[this.id][key];
+        }
+        return this;
+    };
+    /*\
+     * Element.outerSVG
+     [ method ]
+     **
+     * Returns SVG code for the element, equivalent to HTML's `outerHTML`.
+     *
+     * See also @Element.innerSVG
+     = (string) SVG code for the element
+    \*/
+    /*\
+     * Element.toString
+     [ method ]
+     **
+     * See @Element.outerSVG
+    \*/
+    elproto.outerSVG = elproto.toString = toString(1);
+    /*\
+     * Element.innerSVG
+     [ method ]
+     **
+     * Returns SVG code for the element's contents, equivalent to HTML's `innerHTML`
+     = (string) SVG code for the element
+    \*/
+    elproto.innerSVG = toString();
+    function toString(type) {
+        return function () {
+            var res = type ? "<" + this.type : "",
+                attr = this.node.attributes,
+                chld = this.node.childNodes;
+            if (type) {
+                for (var i = 0, ii = attr.length; i < ii; i++) {
+                    res += " " + attr[i].name + '="' +
+                            attr[i].value.replace(/"/g, '\\"') + '"';
+                }
+            }
+            if (chld.length) {
+                type && (res += ">");
+                for (i = 0, ii = chld.length; i < ii; i++) {
+                    if (chld[i].nodeType == 3) {
+                        res += chld[i].nodeValue;
+                    } else if (chld[i].nodeType == 1) {
+                        res += wrap(chld[i]).toString();
+                    }
+                }
+                type && (res += "</" + this.type + ">");
+            } else {
+                type && (res += "/>");
+            }
+            return res;
+        };
+    }
+}(Element.prototype));
+/*\
+ * Snap.parse
+ [ method ]
+ **
+ * Parses SVG fragment and converts it into a @Fragment
+ **
+ - svg (string) SVG string
+ = (Fragment) the @Fragment
+\*/
+Snap.parse = function (svg) {
+    var f = glob.doc.createDocumentFragment(),
+        full = true,
+        div = glob.doc.createElement("div");
+    svg = Str(svg);
+    if (!svg.match(/^\s*<\s*svg(?:\s|>)/)) {
+        svg = "<svg>" + svg + "</svg>";
+        full = false;
+    }
+    div.innerHTML = svg;
+    svg = div.getElementsByTagName("svg")[0];
+    if (svg) {
+        if (full) {
+            f = svg;
+        } else {
+            while (svg.firstChild) {
+                f.appendChild(svg.firstChild);
+            }
+        }
+    }
+    div.innerHTML = E;
+    return new Fragment(f);
+};
+function Fragment(frag) {
+    this.node = frag;
+}
+/*\
+ * Fragment.select
+ [ method ]
+ **
+ * See @Element.select
+\*/
+Fragment.prototype.select = Element.prototype.select;
+/*\
+ * Fragment.selectAll
+ [ method ]
+ **
+ * See @Element.selectAll
+\*/
+Fragment.prototype.selectAll = Element.prototype.selectAll;
+// SIERRA Snap.fragment() could especially use a code example
+/*\
+ * Snap.fragment
+ [ method ]
+ **
+ * Creates a DOM fragment from a given list of elements or strings
+ **
+ - varargs (…) SVG string
+ = (Fragment) the @Fragment
+\*/
+Snap.fragment = function () {
+    var args = Array.prototype.slice.call(arguments, 0),
+        f = glob.doc.createDocumentFragment();
+    for (var i = 0, ii = args.length; i < ii; i++) {
+        var item = args[i];
+        if (item.node && item.node.nodeType) {
+            f.appendChild(item.node);
+        }
+        if (item.nodeType) {
+            f.appendChild(item);
+        }
+        if (typeof item == "string") {
+            f.appendChild(Snap.parse(item).node);
+        }
+    }
+    return new Fragment(f);
+};
+
+function make(name, parent) {
+    var res = $(name);
+    parent.appendChild(res);
+    var el = wrap(res);
+    return el;
+}
+function Paper(w, h) {
+    var res,
+        desc,
+        defs,
+        proto = Paper.prototype;
+    if (w && w.tagName == "svg") {
+        if (w.snap in hub) {
+            return hub[w.snap];
+        }
+        var doc = w.ownerDocument;
+        res = new Element(w);
+        desc = w.getElementsByTagName("desc")[0];
+        defs = w.getElementsByTagName("defs")[0];
+        if (!desc) {
+            desc = $("desc");
+            desc.appendChild(doc.createTextNode("Created with Snap"));
+            res.node.appendChild(desc);
+        }
+        if (!defs) {
+            defs = $("defs");
+            res.node.appendChild(defs);
+        }
+        res.defs = defs;
+        for (var key in proto) if (proto[has](key)) {
+            res[key] = proto[key];
+        }
+        res.paper = res.root = res;
+    } else {
+        res = make("svg", glob.doc.body);
+        $(res.node, {
+            height: h,
+            version: 1.1,
+            width: w,
+            xmlns: xmlns
+        });
+    }
+    return res;
+}
+function wrap(dom) {
+    if (!dom) {
+        return dom;
+    }
+    if (dom instanceof Element || dom instanceof Fragment) {
+        return dom;
+    }
+    if (dom.tagName && dom.tagName.toLowerCase() == "svg") {
+        return new Paper(dom);
+    }
+    if (dom.tagName && dom.tagName.toLowerCase() == "object" && dom.type == "image/svg+xml") {
+        return new Paper(dom.contentDocument.getElementsByTagName("svg")[0]);
+    }
+    return new Element(dom);
+}
+
+Snap._.make = make;
+Snap._.wrap = wrap;
+/*\
+ * Paper.el
+ [ method ]
+ **
+ * Creates an element on paper with a given name and no attributes
+ **
+ - name (string) tag name
+ - attr (object) attributes
+ = (Element) the current element
+ > Usage
+ | var c = paper.circle(10, 10, 10); // is the same as...
+ | var c = paper.el("circle").attr({
+ |     cx: 10,
+ |     cy: 10,
+ |     r: 10
+ | });
+ | // and the same as
+ | var c = paper.el("circle", {
+ |     cx: 10,
+ |     cy: 10,
+ |     r: 10
+ | });
+\*/
+Paper.prototype.el = function (name, attr) {
+    var el = make(name, this.node);
+    attr && el.attr(attr);
+    return el;
+};
+// default
+eve.on("snap.util.getattr", function () {
+    var att = eve.nt();
+    att = att.substring(att.lastIndexOf(".") + 1);
+    var css = att.replace(/[A-Z]/g, function (letter) {
+        return "-" + letter.toLowerCase();
+    });
+    if (cssAttr[has](css)) {
+        return this.node.ownerDocument.defaultView.getComputedStyle(this.node, null).getPropertyValue(css);
+    } else {
+        return $(this.node, att);
+    }
+});
+var cssAttr = {
+    "alignment-baseline": 0,
+    "baseline-shift": 0,
+    "clip": 0,
+    "clip-path": 0,
+    "clip-rule": 0,
+    "color": 0,
+    "color-interpolation": 0,
+    "color-interpolation-filters": 0,
+    "color-profile": 0,
+    "color-rendering": 0,
+    "cursor": 0,
+    "direction": 0,
+    "display": 0,
+    "dominant-baseline": 0,
+    "enable-background": 0,
+    "fill": 0,
+    "fill-opacity": 0,
+    "fill-rule": 0,
+    "filter": 0,
+    "flood-color": 0,
+    "flood-opacity": 0,
+    "font": 0,
+    "font-family": 0,
+    "font-size": 0,
+    "font-size-adjust": 0,
+    "font-stretch": 0,
+    "font-style": 0,
+    "font-variant": 0,
+    "font-weight": 0,
+    "glyph-orientation-horizontal": 0,
+    "glyph-orientation-vertical": 0,
+    "image-rendering": 0,
+    "kerning": 0,
+    "letter-spacing": 0,
+    "lighting-color": 0,
+    "marker": 0,
+    "marker-end": 0,
+    "marker-mid": 0,
+    "marker-start": 0,
+    "mask": 0,
+    "opacity": 0,
+    "overflow": 0,
+    "pointer-events": 0,
+    "shape-rendering": 0,
+    "stop-color": 0,
+    "stop-opacity": 0,
+    "stroke": 0,
+    "stroke-dasharray": 0,
+    "stroke-dashoffset": 0,
+    "stroke-linecap": 0,
+    "stroke-linejoin": 0,
+    "stroke-miterlimit": 0,
+    "stroke-opacity": 0,
+    "stroke-width": 0,
+    "text-anchor": 0,
+    "text-decoration": 0,
+    "text-rendering": 0,
+    "unicode-bidi": 0,
+    "visibility": 0,
+    "word-spacing": 0,
+    "writing-mode": 0
+};
+
+eve.on("snap.util.attr", function (value) {
+    var att = eve.nt(),
+        attr = {};
+    att = att.substring(att.lastIndexOf(".") + 1);
+    attr[att] = value;
+    var style = att.replace(/-(\w)/gi, function (all, letter) {
+            return letter.toUpperCase();
+        }),
+        css = att.replace(/[A-Z]/g, function (letter) {
+            return "-" + letter.toLowerCase();
+        });
+    if (cssAttr[has](css)) {
+        this.node.style[style] = value == null ? E : value;
+    } else {
+        $(this.node, attr);
+    }
+});
+(function (proto) {}(Paper.prototype));
+
+// simple ajax
+/*\
+ * Snap.ajax
+ [ method ]
+ **
+ * Simple implementation of Ajax
+ **
+ - url (string) URL
+ - postData (object|string) data for post request
+ - callback (function) callback
+ - scope (object) #optional scope of callback
+ * or
+ - url (string) URL
+ - callback (function) callback
+ - scope (object) #optional scope of callback
+ = (XMLHttpRequest) the XMLHttpRequest object, just in case
+\*/
+Snap.ajax = function (url, postData, callback, scope){
+    var req = new XMLHttpRequest,
+        id = ID();
+    if (req) {
+        if (is(postData, "function")) {
+            scope = callback;
+            callback = postData;
+            postData = null;
+        } else if (is(postData, "object")) {
+            var pd = [];
+            for (var key in postData) if (postData.hasOwnProperty(key)) {
+                pd.push(encodeURIComponent(key) + "=" + encodeURIComponent(postData[key]));
+            }
+            postData = pd.join("&");
+        }
+        req.open((postData ? "POST" : "GET"), url, true);
+        if (postData) {
+            req.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+            req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+        }
+        if (callback) {
+            eve.once("snap.ajax." + id + ".0", callback);
+            eve.once("snap.ajax." + id + ".200", callback);
+            eve.once("snap.ajax." + id + ".304", callback);
+        }
+        req.onreadystatechange = function() {
+            if (req.readyState != 4) return;
+            eve("snap.ajax." + id + "." + req.status, scope, req);
+        };
+        if (req.readyState == 4) {
+            return req;
+        }
+        req.send(postData);
+        return req;
+    }
+};
+/*\
+ * Snap.load
+ [ method ]
+ **
+ * Loads external SVG file as a @Fragment (see @Snap.ajax for more advanced AJAX)
+ **
+ - url (string) URL
+ - callback (function) callback
+ - scope (object) #optional scope of callback
+\*/
+Snap.load = function (url, callback, scope) {
+    Snap.ajax(url, function (req) {
+        var f = Snap.parse(req.responseText);
+        scope ? callback.call(scope, f) : callback(f);
+    });
+};
+var getOffset = function (elem) {
+    var box = elem.getBoundingClientRect(),
+        doc = elem.ownerDocument,
+        body = doc.body,
+        docElem = doc.documentElement,
+        clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,
+        top  = box.top  + (g.win.pageYOffset || docElem.scrollTop || body.scrollTop ) - clientTop,
+        left = box.left + (g.win.pageXOffset || docElem.scrollLeft || body.scrollLeft) - clientLeft;
+    return {
+        y: top,
+        x: left
+    };
+};
+/*\
+ * Snap.getElementByPoint
+ [ method ]
+ **
+ * Returns you topmost element under given point.
+ **
+ = (object) Snap element object
+ - x (number) x coordinate from the top left corner of the window
+ - y (number) y coordinate from the top left corner of the window
+ > Usage
+ | Snap.getElementByPoint(mouseX, mouseY).attr({stroke: "#f00"});
+\*/
+Snap.getElementByPoint = function (x, y) {
+    var paper = this,
+        svg = paper.canvas,
+        target = glob.doc.elementFromPoint(x, y);
+    if (glob.win.opera && target.tagName == "svg") {
+        var so = getOffset(target),
+            sr = target.createSVGRect();
+        sr.x = x - so.x;
+        sr.y = y - so.y;
+        sr.width = sr.height = 1;
+        var hits = target.getIntersectionList(sr, null);
+        if (hits.length) {
+            target = hits[hits.length - 1];
+        }
+    }
+    if (!target) {
+        return null;
+    }
+    return wrap(target);
+};
+/*\
+ * Snap.plugin
+ [ method ]
+ **
+ * Let you write plugins. You pass in a function with four arguments, like this:
+ | Snap.plugin(function (Snap, Element, Paper, global, Fragment) {
+ |     Snap.newmethod = function () {};
+ |     Element.prototype.newmethod = function () {};
+ |     Paper.prototype.newmethod = function () {};
+ | });
+ * Inside the function you have access to all main objects (and their
+ * prototypes). This allow you to extend anything you want.
+ **
+ - f (function) your plugin body
+\*/
+Snap.plugin = function (f) {
+    f(Snap, Element, Paper, glob, Fragment);
+};
+glob.win.Snap = Snap;
+return Snap;
+}());
+
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob, Fragment) {
+    var objectToString = Object.prototype.toString,
+        Str = String,
+        math = Math,
+        E = "";
+    function Matrix(a, b, c, d, e, f) {
+        if (b == null && objectToString.call(a) == "[object SVGMatrix]") {
+            this.a = a.a;
+            this.b = a.b;
+            this.c = a.c;
+            this.d = a.d;
+            this.e = a.e;
+            this.f = a.f;
+            return;
+        }
+        if (a != null) {
+            this.a = +a;
+            this.b = +b;
+            this.c = +c;
+            this.d = +d;
+            this.e = +e;
+            this.f = +f;
+        } else {
+            this.a = 1;
+            this.b = 0;
+            this.c = 0;
+            this.d = 1;
+            this.e = 0;
+            this.f = 0;
+        }
+    }
+    (function (matrixproto) {
+        /*\
+         * Matrix.add
+         [ method ]
+         **
+         * Adds the given matrix to existing one
+         - a (number)
+         - b (number)
+         - c (number)
+         - d (number)
+         - e (number)
+         - f (number)
+         * or
+         - matrix (object) @Matrix
+        \*/
+        matrixproto.add = function (a, b, c, d, e, f) {
+            var out = [[], [], []],
+                m = [[this.a, this.c, this.e], [this.b, this.d, this.f], [0, 0, 1]],
+                matrix = [[a, c, e], [b, d, f], [0, 0, 1]],
+                x, y, z, res;
+
+            if (a && a instanceof Matrix) {
+                matrix = [[a.a, a.c, a.e], [a.b, a.d, a.f], [0, 0, 1]];
+            }
+
+            for (x = 0; x < 3; x++) {
+                for (y = 0; y < 3; y++) {
+                    res = 0;
+                    for (z = 0; z < 3; z++) {
+                        res += m[x][z] * matrix[z][y];
+                    }
+                    out[x][y] = res;
+                }
+            }
+            this.a = out[0][0];
+            this.b = out[1][0];
+            this.c = out[0][1];
+            this.d = out[1][1];
+            this.e = out[0][2];
+            this.f = out[1][2];
+            return this;
+        };
+        /*\
+         * Matrix.invert
+         [ method ]
+         **
+         * Returns an inverted version of the matrix
+         = (object) @Matrix
+        \*/
+        matrixproto.invert = function () {
+            var me = this,
+                x = me.a * me.d - me.b * me.c;
+            return new Matrix(me.d / x, -me.b / x, -me.c / x, me.a / x, (me.c * me.f - me.d * me.e) / x, (me.b * me.e - me.a * me.f) / x);
+        };
+        /*\
+         * Matrix.clone
+         [ method ]
+         **
+         * Returns a copy of the matrix
+         = (object) @Matrix
+        \*/
+        matrixproto.clone = function () {
+            return new Matrix(this.a, this.b, this.c, this.d, this.e, this.f);
+        };
+        /*\
+         * Matrix.translate
+         [ method ]
+         **
+         * Translate the matrix
+         - x (number) horizontal offset distance
+         - y (number) vertical offset distance
+        \*/
+        matrixproto.translate = function (x, y) {
+            return this.add(1, 0, 0, 1, x, y);
+        };
+        /*\
+         * Matrix.scale
+         [ method ]
+         **
+         * Scales the matrix
+         - x (number) amount to be scaled, with `1` resulting in no change
+         - y (number) #optional amount to scale along the vertical axis. (Otherwise `x` applies to both axes.)
+         - cx (number) #optional horizontal origin point from which to scale
+         - cy (number) #optional vertical origin point from which to scale
+         * Default cx, cy is the middle point of the element.
+        \*/
+        matrixproto.scale = function (x, y, cx, cy) {
+            y == null && (y = x);
+            (cx || cy) && this.add(1, 0, 0, 1, cx, cy);
+            this.add(x, 0, 0, y, 0, 0);
+            (cx || cy) && this.add(1, 0, 0, 1, -cx, -cy);
+            return this;
+        };
+        /*\
+         * Matrix.rotate
+         [ method ]
+         **
+         * Rotates the matrix
+         - a (number) angle of rotation, in degrees
+         - x (number) horizontal origin point from which to rotate
+         - y (number) vertical origin point from which to rotate
+        \*/
+        matrixproto.rotate = function (a, x, y) {
+            a = Snap.rad(a);
+            x = x || 0;
+            y = y || 0;
+            var cos = +math.cos(a).toFixed(9),
+                sin = +math.sin(a).toFixed(9);
+            this.add(cos, sin, -sin, cos, x, y);
+            return this.add(1, 0, 0, 1, -x, -y);
+        };
+        /*\
+         * Matrix.x
+         [ method ]
+         **
+         * Returns x coordinate for given point after transformation described by the matrix. See also @Matrix.y
+         - x (number)
+         - y (number)
+         = (number) x
+        \*/
+        matrixproto.x = function (x, y) {
+            return x * this.a + y * this.c + this.e;
+        };
+        /*\
+         * Matrix.y
+         [ method ]
+         **
+         * Returns y coordinate for given point after transformation described by the matrix. See also @Matrix.x
+         - x (number)
+         - y (number)
+         = (number) y
+        \*/
+        matrixproto.y = function (x, y) {
+            return x * this.b + y * this.d + this.f;
+        };
+        matrixproto.get = function (i) {
+            return +this[Str.fromCharCode(97 + i)].toFixed(4);
+        };
+        matrixproto.toString = function () {
+            return "matrix(" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)].join() + ")";
+        };
+        matrixproto.offset = function () {
+            return [this.e.toFixed(4), this.f.toFixed(4)];
+        };
+        function norm(a) {
+            return a[0] * a[0] + a[1] * a[1];
+        }
+        function normalize(a) {
+            var mag = math.sqrt(norm(a));
+            a[0] && (a[0] /= mag);
+            a[1] && (a[1] /= mag);
+        }
+        /*\
+         * Matrix.determinant
+         [ method ]
+         **
+         * Finds determinant of the given matrix.
+         = (number) determinant
+        \*/
+        matrixproto.determinant = function () {
+            return this.a * this.d - this.b * this.c;
+        };
+        /*\
+         * Matrix.split
+         [ method ]
+         **
+         * Splits matrix into primitive transformations
+         = (object) in format:
+         o dx (number) translation by x
+         o dy (number) translation by y
+         o scalex (number) scale by x
+         o scaley (number) scale by y
+         o shear (number) shear
+         o rotate (number) rotation in deg
+         o isSimple (boolean) could it be represented via simple transformations
+        \*/
+        matrixproto.split = function () {
+            var out = {};
+            // translation
+            out.dx = this.e;
+            out.dy = this.f;
+
+            // scale and shear
+            var row = [[this.a, this.c], [this.b, this.d]];
+            out.scalex = math.sqrt(norm(row[0]));
+            normalize(row[0]);
+
+            out.shear = row[0][0] * row[1][0] + row[0][1] * row[1][1];
+            row[1] = [row[1][0] - row[0][0] * out.shear, row[1][1] - row[0][1] * out.shear];
+
+            out.scaley = math.sqrt(norm(row[1]));
+            normalize(row[1]);
+            out.shear /= out.scaley;
+
+            if (this.determinant() < 0) {
+                out.scalex = -out.scalex;
+            }
+
+            // rotation
+            var sin = -row[0][1],
+                cos = row[1][1];
+            if (cos < 0) {
+                out.rotate = Snap.deg(math.acos(cos));
+                if (sin < 0) {
+                    out.rotate = 360 - out.rotate;
+                }
+            } else {
+                out.rotate = Snap.deg(math.asin(sin));
+            }
+
+            out.isSimple = !+out.shear.toFixed(9) && (out.scalex.toFixed(9) == out.scaley.toFixed(9) || !out.rotate);
+            out.isSuperSimple = !+out.shear.toFixed(9) && out.scalex.toFixed(9) == out.scaley.toFixed(9) && !out.rotate;
+            out.noRotation = !+out.shear.toFixed(9) && !out.rotate;
+            return out;
+        };
+        /*\
+         * Matrix.toTransformString
+         [ method ]
+         **
+         * Returns transform string that represents given matrix
+         = (string) transform string
+        \*/
+        matrixproto.toTransformString = function (shorter) {
+            var s = shorter || this.split();
+            if (!+s.shear.toFixed(9)) {
+                s.scalex = +s.scalex.toFixed(4);
+                s.scaley = +s.scaley.toFixed(4);
+                s.rotate = +s.rotate.toFixed(4);
+                return  (s.dx || s.dy ? "t" + [+s.dx.toFixed(4), +s.dy.toFixed(4)] : E) + 
+                        (s.scalex != 1 || s.scaley != 1 ? "s" + [s.scalex, s.scaley, 0, 0] : E) +
+                        (s.rotate ? "r" + [+s.rotate.toFixed(4), 0, 0] : E);
+            } else {
+                return "m" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)];
+            }
+        };
+    })(Matrix.prototype);
+    /*\
+     * Snap.Matrix
+     [ method ]
+     **
+     * Matrix constructor, extend on your own risk.
+     * To create matrices use @Snap.matrix.
+    \*/
+    Snap.Matrix = Matrix;
+    /*\
+     * Snap.matrix
+     [ method ]
+     **
+     * Utility method
+     **
+     * Returns a matrix based on the given parameters
+     - a (number)
+     - b (number)
+     - c (number)
+     - d (number)
+     - e (number)
+     - f (number)
+     * or
+     - svgMatrix (SVGMatrix)
+     = (object) @Matrix
+    \*/
+    Snap.matrix = function (a, b, c, d, e, f) {
+        return new Matrix(a, b, c, d, e, f);
+    };
+});
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob, Fragment) {
+    var has = "hasOwnProperty",
+        make = Snap._.make,
+        wrap = Snap._.wrap,
+        is = Snap.is,
+        getSomeDefs = Snap._.getSomeDefs,
+        reURLValue = /^url\(#?([^)]+)\)$/,
+        $ = Snap._.$,
+        URL = Snap.url,
+        Str = String,
+        separator = Snap._.separator,
+        E = "";
+    // Attributes event handlers
+    eve.on("snap.util.attr.mask", function (value) {
+        if (value instanceof Element || value instanceof Fragment) {
+            eve.stop();
+            if (value instanceof Fragment && value.node.childNodes.length == 1) {
+                value = value.node.firstChild;
+                getSomeDefs(this).appendChild(value);
+                value = wrap(value);
+            }
+            if (value.type == "mask") {
+                var mask = value;
+            } else {
+                mask = make("mask", getSomeDefs(this));
+                mask.node.appendChild(value.node);
+            }
+            !mask.node.id && $(mask.node, {
+                id: mask.id
+            });
+            $(this.node, {
+                mask: URL(mask.id)
+            });
+        }
+    });
+    (function (clipIt) {
+        eve.on("snap.util.attr.clip", clipIt);
+        eve.on("snap.util.attr.clip-path", clipIt);
+        eve.on("snap.util.attr.clipPath", clipIt);
+    }(function (value) {
+        if (value instanceof Element || value instanceof Fragment) {
+            eve.stop();
+            if (value.type == "clipPath") {
+                var clip = value;
+            } else {
+                clip = make("clipPath", getSomeDefs(this));
+                clip.node.appendChild(value.node);
+                !clip.node.id && $(clip.node, {
+                    id: clip.id
+                });
+            }
+            $(this.node, {
+                "clip-path": URL(clip.id)
+            });
+        }
+    }));
+    function fillStroke(name) {
+        return function (value) {
+            eve.stop();
+            if (value instanceof Fragment && value.node.childNodes.length == 1 &&
+                (value.node.firstChild.tagName == "radialGradient" ||
+                value.node.firstChild.tagName == "linearGradient" ||
+                value.node.firstChild.tagName == "pattern")) {
+                value = value.node.firstChild;
+                getSomeDefs(this).appendChild(value);
+                value = wrap(value);
+            }
+            if (value instanceof Element) {
+                if (value.type == "radialGradient" || value.type == "linearGradient"
+                   || value.type == "pattern") {
+                    if (!value.node.id) {
+                        $(value.node, {
+                            id: value.id
+                        });
+                    }
+                    var fill = URL(value.node.id);
+                } else {
+                    fill = value.attr(name);
+                }
+            } else {
+                fill = Snap.color(value);
+                if (fill.error) {
+                    var grad = Snap(getSomeDefs(this).ownerSVGElement).gradient(value);
+                    if (grad) {
+                        if (!grad.node.id) {
+                            $(grad.node, {
+                                id: grad.id
+                            });
+                        }
+                        fill = URL(grad.node.id);
+                    } else {
+                        fill = value;
+                    }
+                } else {
+                    fill = Str(fill);
+                }
+            }
+            var attrs = {};
+            attrs[name] = fill;
+            $(this.node, attrs);
+            this.node.style[name] = E;
+        };
+    }
+    eve.on("snap.util.attr.fill", fillStroke("fill"));
+    eve.on("snap.util.attr.stroke", fillStroke("stroke"));
+    var gradrg = /^([lr])(?:\(([^)]*)\))?(.*)$/i;
+    eve.on("snap.util.grad.parse", function parseGrad(string) {
+        string = Str(string);
+        var tokens = string.match(gradrg);
+        if (!tokens) {
+            return null;
+        }
+        var type = tokens[1],
+            params = tokens[2],
+            stops = tokens[3];
+        params = params.split(/\s*,\s*/).map(function (el) {
+            return +el == el ? +el : el;
+        });
+        if (params.length == 1 && params[0] == 0) {
+            params = [];
+        }
+        stops = stops.split("-");
+        stops = stops.map(function (el) {
+            el = el.split(":");
+            var out = {
+                color: el[0]
+            };
+            if (el[1]) {
+                out.offset = parseFloat(el[1]);
+            }
+            return out;
+        });
+        return {
+            type: type,
+            params: params,
+            stops: stops
+        };
+    });
+
+    eve.on("snap.util.attr.d", function (value) {
+        eve.stop();
+        if (is(value, "array") && is(value[0], "array")) {
+            value = Snap.path.toString.call(value);
+        }
+        value = Str(value);
+        if (value.match(/[ruo]/i)) {
+            value = Snap.path.toAbsolute(value);
+        }
+        $(this.node, {d: value});
+    })(-1);
+    eve.on("snap.util.attr.#text", function (value) {
+        eve.stop();
+        value = Str(value);
+        var txt = glob.doc.createTextNode(value);
+        while (this.node.firstChild) {
+            this.node.removeChild(this.node.firstChild);
+        }
+        this.node.appendChild(txt);
+    })(-1);
+    eve.on("snap.util.attr.path", function (value) {
+        eve.stop();
+        this.attr({d: value});
+    })(-1);
+    eve.on("snap.util.attr.class", function (value) {
+        eve.stop();
+        this.node.className.baseVal = value;
+    })(-1);
+    eve.on("snap.util.attr.viewBox", function (value) {
+        var vb;
+        if (is(value, "object") && "x" in value) {
+            vb = [value.x, value.y, value.width, value.height].join(" ");
+        } else if (is(value, "array")) {
+            vb = value.join(" ");
+        } else {
+            vb = value;
+        }
+        $(this.node, {
+            viewBox: vb
+        });
+        eve.stop();
+    })(-1);
+    eve.on("snap.util.attr.transform", function (value) {
+        this.transform(value);
+        eve.stop();
+    })(-1);
+    eve.on("snap.util.attr.r", function (value) {
+        if (this.type == "rect") {
+            eve.stop();
+            $(this.node, {
+                rx: value,
+                ry: value
+            });
+        }
+    })(-1);
+    eve.on("snap.util.attr.textpath", function (value) {
+        eve.stop();
+        if (this.type == "text") {
+            var id, tp, node;
+            if (!value && this.textPath) {
+                tp = this.textPath;
+                while (tp.node.firstChild) {
+                    this.node.appendChild(tp.node.firstChild);
+                }
+                tp.remove();
+                delete this.textPath;
+                return;
+            }
+            if (is(value, "string")) {
+                var defs = getSomeDefs(this),
+                    path = wrap(defs.parentNode).path(value);
+                defs.appendChild(path.node);
+                id = path.id;
+                path.attr({id: id});
+            } else {
+                value = wrap(value);
+                if (value instanceof Element) {
+                    id = value.attr("id");
+                    if (!id) {
+                        id = value.id;
+                        value.attr({id: id});
+                    }
+                }
+            }
+            if (id) {
+                tp = this.textPath;
+                node = this.node;
+                if (tp) {
+                    tp.attr({"xlink:href": "#" + id});
+                } else {
+                    tp = $("textPath", {
+                        "xlink:href": "#" + id
+                    });
+                    while (node.firstChild) {
+                        tp.appendChild(node.firstChild);
+                    }
+                    node.appendChild(tp);
+                    this.textPath = wrap(tp);
+                }
+            }
+        }
+    })(-1);
+    eve.on("snap.util.attr.text", function (value) {
+        if (this.type == "text") {
+            var i = 0,
+                node = this.node,
+                tuner = function (chunk) {
+                    var out = $("tspan");
+                    if (is(chunk, "array")) {
+                        for (var i = 0; i < chunk.length; i++) {
+                            out.appendChild(tuner(chunk[i]));
+                        }
+                    } else {
+                        out.appendChild(glob.doc.createTextNode(chunk));
+                    }
+                    out.normalize && out.normalize();
+                    return out;
+                };
+            while (node.firstChild) {
+                node.removeChild(node.firstChild);
+            }
+            var tuned = tuner(value);
+            while (tuned.firstChild) {
+                node.appendChild(tuned.firstChild);
+            }
+        }
+        eve.stop();
+    })(-1);
+    function setFontSize(value) {
+        eve.stop();
+        if (value == +value) {
+            value += "px";
+        }
+        this.node.style.fontSize = value;
+    }
+    eve.on("snap.util.attr.fontSize", setFontSize)(-1);
+    eve.on("snap.util.attr.font-size", setFontSize)(-1);
+
+
+    eve.on("snap.util.getattr.transform", function () {
+        eve.stop();
+        return this.transform();
+    })(-1);
+    eve.on("snap.util.getattr.textpath", function () {
+        eve.stop();
+        return this.textPath;
+    })(-1);
+    // Markers
+    (function () {
+        function getter(end) {
+            return function () {
+                eve.stop();
+                var style = glob.doc.defaultView.getComputedStyle(this.node, null).getPropertyValue("marker-" + end);
+                if (style == "none") {
+                    return style;
+                } else {
+                    return Snap(glob.doc.getElementById(style.match(reURLValue)[1]));
+                }
+            };
+        }
+        function setter(end) {
+            return function (value) {
+                eve.stop();
+                var name = "marker" + end.charAt(0).toUpperCase() + end.substring(1);
+                if (value == "" || !value) {
+                    this.node.style[name] = "none";
+                    return;
+                }
+                if (value.type == "marker") {
+                    var id = value.node.id;
+                    if (!id) {
+                        $(value.node, {id: value.id});
+                    }
+                    this.node.style[name] = URL(id);
+                    return;
+                }
+            };
+        }
+        eve.on("snap.util.getattr.marker-end", getter("end"))(-1);
+        eve.on("snap.util.getattr.markerEnd", getter("end"))(-1);
+        eve.on("snap.util.getattr.marker-start", getter("start"))(-1);
+        eve.on("snap.util.getattr.markerStart", getter("start"))(-1);
+        eve.on("snap.util.getattr.marker-mid", getter("mid"))(-1);
+        eve.on("snap.util.getattr.markerMid", getter("mid"))(-1);
+        eve.on("snap.util.attr.marker-end", setter("end"))(-1);
+        eve.on("snap.util.attr.markerEnd", setter("end"))(-1);
+        eve.on("snap.util.attr.marker-start", setter("start"))(-1);
+        eve.on("snap.util.attr.markerStart", setter("start"))(-1);
+        eve.on("snap.util.attr.marker-mid", setter("mid"))(-1);
+        eve.on("snap.util.attr.markerMid", setter("mid"))(-1);
+    }());
+    eve.on("snap.util.getattr.r", function () {
+        if (this.type == "rect" && $(this.node, "rx") == $(this.node, "ry")) {
+            eve.stop();
+            return $(this.node, "rx");
+        }
+    })(-1);
+    function textExtract(node) {
+        var out = [];
+        var children = node.childNodes;
+        for (var i = 0, ii = children.length; i < ii; i++) {
+            var chi = children[i];
+            if (chi.nodeType == 3) {
+                out.push(chi.nodeValue);
+            }
+            if (chi.tagName == "tspan") {
+                if (chi.childNodes.length == 1 && chi.firstChild.nodeType == 3) {
+                    out.push(chi.firstChild.nodeValue);
+                } else {
+                    out.push(textExtract(chi));
+                }
+            }
+        }
+        return out;
+    }
+    eve.on("snap.util.getattr.text", function () {
+        if (this.type == "text" || this.type == "tspan") {
+            eve.stop();
+            var out = textExtract(this.node);
+            return out.length == 1 ? out[0] : out;
+        }
+    })(-1);
+    eve.on("snap.util.getattr.#text", function () {
+        return this.node.textContent;
+    })(-1);
+    eve.on("snap.util.getattr.viewBox", function () {
+        eve.stop();
+        var vb = $(this.node, "viewBox");
+        if (vb) {
+            vb = vb.split(separator);
+            return Snap._.box(+vb[0], +vb[1], +vb[2], +vb[3]);
+        } else {
+            return;
+        }
+    })(-1);
+    eve.on("snap.util.getattr.points", function () {
+        var p = $(this.node, "points");
+        eve.stop();
+        if (p) {
+            return p.split(separator);
+        } else {
+            return;
+        }
+    })(-1);
+    eve.on("snap.util.getattr.path", function () {
+        var p = $(this.node, "d");
+        eve.stop();
+        return p;
+    })(-1);
+    eve.on("snap.util.getattr.class", function () {
+        return this.node.className.baseVal;
+    })(-1);
+    function getFontSize() {
+        eve.stop();
+        return this.node.style.fontSize;
+    }
+    eve.on("snap.util.getattr.fontSize", getFontSize)(-1);
+    eve.on("snap.util.getattr.font-size", getFontSize)(-1);
+});
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob, Fragment) {
+    var operators = {
+            "+": function (x, y) {
+                    return x + y;
+                },
+            "-": function (x, y) {
+                    return x - y;
+                },
+            "/": function (x, y) {
+                    return x / y;
+                },
+            "*": function (x, y) {
+                    return x * y;
+                }
+        },
+        Str = String,
+        reUnit = /[a-z]+$/i,
+        reAddon = /^\s*([+\-\/*])\s*=\s*([\d.eE+\-]+)\s*([^\d\s]+)?\s*$/;
+    function getNumber(val) {
+        return val;
+    }
+    function getUnit(unit) {
+        return function (val) {
+            return +val.toFixed(3) + unit;
+        };
+    }
+    eve.on("snap.util.attr", function (val) {
+        var plus = Str(val).match(reAddon);
+        if (plus) {
+            var evnt = eve.nt(),
+                name = evnt.substring(evnt.lastIndexOf(".") + 1),
+                a = this.attr(name),
+                atr = {};
+            eve.stop();
+            var unit = plus[3] || "",
+                aUnit = a.match(reUnit),
+                op = operators[plus[1]];
+            if (aUnit && aUnit == unit) {
+                val = op(parseFloat(a), +plus[2]);
+            } else {
+                a = this.asPX(name);
+                val = op(this.asPX(name), this.asPX(name, plus[2] + unit));
+            }
+            if (isNaN(a) || isNaN(val)) {
+                return;
+            }
+            atr[name] = val;
+            this.attr(atr);
+        }
+    })(-10);
+    eve.on("snap.util.equal", function (name, b) {
+        var A, B, a = Str(this.attr(name) || ""),
+            el = this,
+            bplus = Str(b).match(reAddon);
+        if (bplus) {
+            eve.stop();
+            var unit = bplus[3] || "",
+                aUnit = a.match(reUnit),
+                op = operators[bplus[1]];
+            if (aUnit && aUnit == unit) {
+                return {
+                    from: parseFloat(a),
+                    to: op(parseFloat(a), +bplus[2]),
+                    f: getUnit(aUnit)
+                };
+            } else {
+                a = this.asPX(name);
+                return {
+                    from: a,
+                    to: op(a, this.asPX(name, bplus[2] + unit)),
+                    f: getNumber
+                };
+            }
+        }
+    })(-10);
+});
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob, Fragment) {
+    var proto = Paper.prototype,
+        is = Snap.is;
+    /*\
+     * Paper.rect
+     [ method ]
+     *
+     * Draws a rectangle
+     **
+     - x (number) x coordinate of the top left corner
+     - y (number) y coordinate of the top left corner
+     - width (number) width
+     - height (number) height
+     - rx (number) #optional horizontal radius for rounded corners, default is 0
+     - ry (number) #optional vertical radius for rounded corners, default is rx or 0
+     = (object) the `rect` element
+     **
+     > Usage
+     | // regular rectangle
+     | var c = paper.rect(10, 10, 50, 50);
+     | // rectangle with rounded corners
+     | var c = paper.rect(40, 40, 50, 50, 10);
+    \*/
+    proto.rect = function (x, y, w, h, rx, ry) {
+        var attr;
+        if (ry == null) {
+            ry = rx;
+        }
+        if (is(x, "object") && x == "[object Object]") {
+            attr = x;
+        } else if (x != null) {
+            attr = {
+                x: x,
+                y: y,
+                width: w,
+                height: h
+            };
+            if (rx != null) {
+                attr.rx = rx;
+                attr.ry = ry;
+            }
+        }
+        return this.el("rect", attr);
+    };
+    /*\
+     * Paper.circle
+     [ method ]
+     **
+     * Draws a circle
+     **
+     - x (number) x coordinate of the centre
+     - y (number) y coordinate of the centre
+     - r (number) radius
+     = (object) the `circle` element
+     **
+     > Usage
+     | var c = paper.circle(50, 50, 40);
+    \*/
+    proto.circle = function (cx, cy, r) {
+        var attr;
+        if (is(cx, "object") && cx == "[object Object]") {
+            attr = cx;
+        } else if (cx != null) {
+            attr = {
+                cx: cx,
+                cy: cy,
+                r: r
+            };
+        }
+        return this.el("circle", attr);
+    };
+
+    var preload = (function () {
+        function onerror() {
+            this.parentNode.removeChild(this);
+        }
+        return function (src, f) {
+            var img = glob.doc.createElement("img"),
+                body = glob.doc.body;
+            img.style.cssText = "position:absolute;left:-9999em;top:-9999em";
+            img.onload = function () {
+                f.call(img);
+                img.onload = img.onerror = null;
+                body.removeChild(img);
+            };
+            img.onerror = onerror;
+            body.appendChild(img);
+            img.src = src;
+        };
+    }());
+
+    /*\
+     * Paper.image
+     [ method ]
+     **
+     * Places an image on the surface
+     **
+     - src (string) URI of the source image
+     - x (number) x offset position
+     - y (number) y offset position
+     - width (number) width of the image
+     - height (number) height of the image
+     = (object) the `image` element
+     * or
+     = (object) Snap element object with type `image`
+     **
+     > Usage
+     | var c = paper.image("apple.png", 10, 10, 80, 80);
+    \*/
+    proto.image = function (src, x, y, width, height) {
+        var el = this.el("image");
+        if (is(src, "object") && "src" in src) {
+            el.attr(src);
+        } else if (src != null) {
+            var set = {
+                "xlink:href": src,
+                preserveAspectRatio: "none"
+            };
+            if (x != null && y != null) {
+                set.x = x;
+                set.y = y;
+            }
+            if (width != null && height != null) {
+                set.width = width;
+                set.height = height;
+            } else {
+                preload(src, function () {
+                    Snap._.$(el.node, {
+                        width: this.offsetWidth,
+                        height: this.offsetHeight
+                    });
+                });
+            }
+            Snap._.$(el.node, set);
+        }
+        return el;
+    };
+    /*\
+     * Paper.ellipse
+     [ method ]
+     **
+     * Draws an ellipse
+     **
+     - x (number) x coordinate of the centre
+     - y (number) y coordinate of the centre
+     - rx (number) horizontal radius
+     - ry (number) vertical radius
+     = (object) the `ellipse` element
+     **
+     > Usage
+     | var c = paper.ellipse(50, 50, 40, 20);
+    \*/
+    proto.ellipse = function (cx, cy, rx, ry) {
+        var attr;
+        if (is(cx, "object") && cx == "[object Object]") {
+            attr = cx;
+        } else if (cx != null) {
+            attr ={
+                cx: cx,
+                cy: cy,
+                rx: rx,
+                ry: ry
+            };
+        }
+        return this.el("ellipse", attr);
+    };
+    // SIERRA Paper.path(): Unclear from the link what a Catmull-Rom curveto is, and why it would make life any easier.
+    /*\
+     * Paper.path
+     [ method ]
+     **
+     * Creates a `<path>` element using the given string as the path's definition
+     - pathString (string) #optional path string in SVG format
+     * Path string consists of one-letter commands, followed by comma seprarated arguments in numerical form. Example:
+     | "M10,20L30,40"
+     * This example features two commands: `M`, with arguments `(10, 20)` and `L` with arguments `(30, 40)`. Uppercase letter commands express coordinates in absolute terms, while lowercase commands express them in relative terms from the most recently declared coordinates.
+     *
+     # <p>Here is short list of commands available, for more details see <a href="http://www.w3.org/TR/SVG/paths.html#PathData" title="Details of a path's data attribute's format are described in the SVG specification.">SVG path string format</a> or <a href="https://developer.mozilla.org/en/SVG/Tutorial/Paths">article about path strings at MDN</a>.</p>
+     # <table><thead><tr><th>Command</th><th>Name</th><th>Parameters</th></tr></thead><tbody>
+     # <tr><td>M</td><td>moveto</td><td>(x y)+</td></tr>
+     # <tr><td>Z</td><td>closepath</td><td>(none)</td></tr>
+     # <tr><td>L</td><td>lineto</td><td>(x y)+</td></tr>
+     # <tr><td>H</td><td>horizontal lineto</td><td>x+</td></tr>
+     # <tr><td>V</td><td>vertical lineto</td><td>y+</td></tr>
+     # <tr><td>C</td><td>curveto</td><td>(x1 y1 x2 y2 x y)+</td></tr>
+     # <tr><td>S</td><td>smooth curveto</td><td>(x2 y2 x y)+</td></tr>
+     # <tr><td>Q</td><td>quadratic Bézier curveto</td><td>(x1 y1 x y)+</td></tr>
+     # <tr><td>T</td><td>smooth quadratic Bézier curveto</td><td>(x y)+</td></tr>
+     # <tr><td>A</td><td>elliptical arc</td><td>(rx ry x-axis-rotation large-arc-flag sweep-flag x y)+</td></tr>
+     # <tr><td>R</td><td><a href="http://en.wikipedia.org/wiki/Catmull–Rom_spline#Catmull.E2.80.93Rom_spline">Catmull-Rom curveto</a>*</td><td>x1 y1 (x y)+</td></tr></tbody></table>
+     * * _Catmull-Rom curveto_ is a not standard SVG command and added to make life easier.
+     * Note: there is a special case when a path consists of only three commands: `M10,10R…z`. In this case the path connects back to its starting point.
+     > Usage
+     | var c = paper.path("M10 10L90 90");
+     | // draw a diagonal line:
+     | // move to 10,10, line to 90,90
+    \*/
+    proto.path = function (d) {
+        var attr;
+        if (is(d, "object") && !is(d, "array")) {
+            attr = d;
+        } else if (d) {
+            attr = {d: d};
+        }
+        return this.el("path", attr);
+    };
+    /*\
+     * Paper.g
+     [ method ]
+     **
+     * Creates a group element
+     **
+     - varargs (…) #optional elements to nest within the group
+     = (object) the `g` element
+     **
+     > Usage
+     | var c1 = paper.circle(),
+     |     c2 = paper.rect(),
+     |     g = paper.g(c2, c1); // note that the order of elements is different
+     * or
+     | var c1 = paper.circle(),
+     |     c2 = paper.rect(),
+     |     g = paper.g();
+     | g.add(c2, c1);
+    \*/
+    /*\
+     * Paper.group
+     [ method ]
+     **
+     * See @Paper.g
+    \*/
+    proto.group = proto.g = function (first) {
+        var attr,
+            el = this.el("g");
+        if (arguments.length == 1 && first && !first.type) {
+            el.attr(first);
+        } else if (arguments.length) {
+            el.add(Array.prototype.slice.call(arguments, 0));
+        }
+        return el;
+    };
+    /*\
+     * Paper.svg
+     [ method ]
+     **
+     * Creates a nested SVG element.
+     - x (number) @optional X of the element
+     - y (number) @optional Y of the element
+     - width (number) @optional width of the element
+     - height (number) @optional height of the element
+     - vbx (number) @optional viewbox X
+     - vby (number) @optional viewbox Y
+     - vbw (number) @optional viewbox width
+     - vbh (number) @optional viewbox height
+     **
+     = (object) the `svg` element
+     **
+    \*/
+    proto.svg = function (x, y, width, height, vbx, vby, vbw, vbh) {
+        var attrs = {};
+        if (is(x, "object") && y == null) {
+            attrs = x;
+        } else {
+            if (x != null) {
+                attrs.x = x;
+            }
+            if (y != null) {
+                attrs.y = y;
+            }
+            if (width != null) {
+                attrs.width = width;
+            }
+            if (height != null) {
+                attrs.height = height;
+            }
+            if (vbx != null && vby != null && vbw != null && vbh != null) {
+                attrs.viewBox = [vbx, vby, vbw, vbh];
+            }
+        }
+        return this.el("svg", attrs);
+    };
+    /*\
+     * Paper.mask
+     [ method ]
+     **
+     * Equivalent in behaviour to @Paper.g, except it’s a mask.
+     **
+     = (object) the `mask` element
+     **
+    \*/
+    proto.mask = function (first) {
+        var attr,
+            el = this.el("mask");
+        if (arguments.length == 1 && first && !first.type) {
+            el.attr(first);
+        } else if (arguments.length) {
+            el.add(Array.prototype.slice.call(arguments, 0));
+        }
+        return el;
+    };
+    /*\
+     * Paper.ptrn
+     [ method ]
+     **
+     * Equivalent in behaviour to @Paper.g, except it’s a mask.
+     - x (number) @optional X of the element
+     - y (number) @optional Y of the element
+     - width (number) @optional width of the element
+     - height (number) @optional height of the element
+     - vbx (number) @optional viewbox X
+     - vby (number) @optional viewbox Y
+     - vbw (number) @optional viewbox width
+     - vbh (number) @optional viewbox height
+     **
+     = (object) the `mask` element
+     **
+    \*/
+    proto.ptrn = function (x, y, width, height, vx, vy, vw, vh) {
+        if (is(x, "object")) {
+            var attr = x;
+        } else if (!arguments.length) {
+            attr = {patternUnits: "userSpaceOnUse"};
+        } else {
+            attr = {};
+            if (x != null) {
+                attr.x = x;
+            }
+            if (y != null) {
+                attr.y = y;
+            }
+            if (width != null) {
+                attr.width = width;
+            }
+            if (height != null) {
+                attr.height = height;
+            }
+            if (vx != null && vy != null && vw != null && vh != null) {
+                attr.viewBox = [vx, vy, vw, vh];
+            }
+        }
+        return this.el("pattern", attr);
+    };
+    /*\
+     * Paper.use
+     [ method ]
+     **
+     * Creates a <use> element.
+     - id (string) @optional id of element to link
+     * or
+     - id (Element) @optional element to link
+     **
+     = (object) the `use` element
+     **
+    \*/
+    proto.use = function (id) {
+        if (id != null) {
+            var el = make("use", this.node);
+            if (id instanceof Element) {
+                if (!id.attr("id")) {
+                    id.attr({id: ID()});
+                }
+                id = id.attr("id");
+            }
+            return this.el("use", {"xlink:href": id});
+        } else {
+            return Element.prototype.use.call(this);
+        }
+    };
+    /*\
+     * Paper.text
+     [ method ]
+     **
+     * Draws a text string
+     **
+     - x (number) x coordinate position
+     - y (number) y coordinate position
+     - text (string|array) The text string to draw or array of strings to nest within separate `<tspan>` elements
+     = (object) the `text` element
+     **
+     > Usage
+     | var t1 = paper.text(50, 50, "Snap");
+     | var t2 = paper.text(50, 50, ["S","n","a","p"]);
+     | // Text path usage
+     | t1.attr({textpath: "M10,10L100,100"});
+     | // or
+     | var pth = paper.path("M10,10L100,100");
+     | t1.attr({textpath: pth});
+    \*/
+    proto.text = function (x, y, text) {
+        var attr = {};
+        if (is(x, "object")) {
+            attr = x;
+        } else if (x != null) {
+            attr = {
+                x: x,
+                y: y,
+                text: text || ""
+            };
+        }
+        return this.el("text", attr);
+    };
+    /*\
+     * Paper.line
+     [ method ]
+     **
+     * Draws a line
+     **
+     - x1 (number) x coordinate position of the start
+     - y1 (number) y coordinate position of the start
+     - x2 (number) x coordinate position of the end
+     - y2 (number) y coordinate position of the end
+     = (object) the `line` element
+     **
+     > Usage
+     | var t1 = paper.line(50, 50, 100, 100);
+    \*/
+    proto.line = function (x1, y1, x2, y2) {
+        var attr = {};
+        if (is(x1, "object")) {
+            attr = x1;
+        } else if (x1 != null) {
+            attr = {
+                x1: x1,
+                x2: x2,
+                y1: y1,
+                y2: y2
+            };
+        }
+        return this.el("line", attr);
+    };
+    /*\
+     * Paper.polyline
+     [ method ]
+     **
+     * Draws a polyline
+     **
+     - points (array) array of points
+     * or
+     - varargs (…) points
+     = (object) the `polyline` element
+     **
+     > Usage
+     | var p1 = paper.polyline([10, 10, 100, 100]);
+     | var p2 = paper.polyline(10, 10, 100, 100);
+    \*/
+    proto.polyline = function (points) {
+        if (arguments.length > 1) {
+            points = Array.prototype.slice.call(arguments, 0);
+        }
+        var attr = {};
+        if (is(points, "object") && !is(points, "array")) {
+            attr = points;
+        } else if (points != null) {
+            attr = {points: points};
+        }
+        return this.el("polyline", attr);
+    };
+    /*\
+     * Paper.polygon
+     [ method ]
+     **
+     * Draws a polygon. See @Paper.polyline
+    \*/
+    proto.polygon = function (points) {
+        if (arguments.length > 1) {
+            points = Array.prototype.slice.call(arguments, 0);
+        }
+        var attr = {};
+        if (is(points, "object") && !is(points, "array")) {
+            attr = points;
+        } else if (points != null) {
+            attr = {points: points};
+        }
+        return this.el("polygon", attr);
+    };
+    // gradients
+    (function () {
+        var $ = Snap._.$;
+        // gradients' helpers
+        function Gstops() {
+            return this.selectAll("stop");
+        }
+        function GaddStop(color, offset) {
+            var stop = $("stop"),
+                attr = {
+                    offset: +offset + "%"
+                };
+            color = Snap.color(color);
+            attr["stop-color"] = color.hex;
+            if (color.opacity < 1) {
+                attr["stop-opacity"] = color.opacity;
+            }
+            $(stop, attr);
+            this.node.appendChild(stop);
+            return this;
+        }
+        function GgetBBox() {
+            if (this.type == "linearGradient") {
+                var x1 = $(this.node, "x1") || 0,
+                    x2 = $(this.node, "x2") || 1,
+                    y1 = $(this.node, "y1") || 0,
+                    y2 = $(this.node, "y2") || 0;
+                return Snap._.box(x1, y1, math.abs(x2 - x1), math.abs(y2 - y1));
+            } else {
+                var cx = this.node.cx || .5,
+                    cy = this.node.cy || .5,
+                    r = this.node.r || 0;
+                return Snap._.box(cx - r, cy - r, r * 2, r * 2);
+            }
+        }
+        function gradient(defs, str) {
+            var grad = eve("snap.util.grad.parse", null, str).firstDefined(),
+                el;
+            if (!grad) {
+                return null;
+            }
+            grad.params.unshift(defs);
+            if (grad.type.toLowerCase() == "l") {
+                el = gradientLinear.apply(0, grad.params);
+            } else {
+                el = gradientRadial.apply(0, grad.params);
+            }
+            if (grad.type != grad.type.toLowerCase()) {
+                $(el.node, {
+                    gradientUnits: "userSpaceOnUse"
+                });
+            }
+            var stops = grad.stops,
+                len = stops.length,
+                start = 0,
+                j = 0;
+            function seed(i, end) {
+                var step = (end - start) / (i - j);
+                for (var k = j; k < i; k++) {
+                    stops[k].offset = +(+start + step * (k - j)).toFixed(2);
+                }
+                j = i;
+                start = end;
+            }
+            len--;
+            for (var i = 0; i < len; i++) if ("offset" in stops[i]) {
+                seed(i, stops[i].offset);
+            }
+            stops[len].offset = stops[len].offset || 100;
+            seed(len, stops[len].offset);
+            for (i = 0; i <= len; i++) {
+                var stop = stops[i];
+                el.addStop(stop.color, stop.offset);
+            }
+            return el;
+        }
+        function gradientLinear(defs, x1, y1, x2, y2) {
+            var el = Snap._.make("linearGradient", defs);
+            el.stops = Gstops;
+            el.addStop = GaddStop;
+            el.getBBox = GgetBBox;
+            if (x1 != null) {
+                $(el.node, {
+                    x1: x1,
+                    y1: y1,
+                    x2: x2,
+                    y2: y2
+                });
+            }
+            return el;
+        }
+        function gradientRadial(defs, cx, cy, r, fx, fy) {
+            var el = Snap._.make("radialGradient", defs);
+            el.stops = Gstops;
+            el.addStop = GaddStop;
+            el.getBBox = GgetBBox;
+            if (cx != null) {
+                $(el.node, {
+                    cx: cx,
+                    cy: cy,
+                    r: r
+                });
+            }
+            if (fx != null && fy != null) {
+                $(el.node, {
+                    fx: fx,
+                    fy: fy
+                });
+            }
+            return el;
+        }
+        /*\
+         * Paper.gradient
+         [ method ]
+         **
+         * Creates a gradient element
+         **
+         - gradient (string) gradient descriptor
+         > Gradient Descriptor
+         * The gradient descriptor is an expression formatted as
+         * follows: `<type>(<coords>)<colors>`.  The `<type>` can be
+         * either linear or radial.  The uppercase `L` or `R` letters
+         * indicate absolute coordinates offset from the SVG surface.
+         * Lowercase `l` or `r` letters indicate coordinates
+         * calculated relative to the element to which the gradient is
+         * applied.  Coordinates specify a linear gradient vector as
+         * `x1`, `y1`, `x2`, `y2`, or a radial gradient as `cx`, `cy`,
+         * `r` and optional `fx`, `fy` specifying a focal point away
+         * from the center of the circle. Specify `<colors>` as a list
+         * of dash-separated CSS color values.  Each color may be
+         * followed by a custom offset value, separated with a colon
+         * character.
+         > Examples
+         * Linear gradient, relative from top-left corner to bottom-right
+         * corner, from black through red to white:
+         | var g = paper.gradient("l(0, 0, 1, 1)#000-#f00-#fff");
+         * Linear gradient, absolute from (0, 0) to (100, 100), from black
+         * through red at 25% to white:
+         | var g = paper.gradient("L(0, 0, 100, 100)#000-#f00:25-#fff");
+         * Radial gradient, relative from the center of the element with radius
+         * half the width, from black to white:
+         | var g = paper.gradient("r(0.5, 0.5, 0.5)#000-#fff");
+         * To apply the gradient:
+         | paper.circle(50, 50, 40).attr({
+         |     fill: g
+         | });
+         = (object) the `gradient` element
+        \*/
+        proto.gradient = function (str) {
+            return gradient(this.defs, str);
+        };
+        proto.gradientLinear = function (x1, y1, x2, y2) {
+            return gradientLinear(this.defs, x1, y1, x2, y2);
+        };
+        proto.gradientRadial = function (cx, cy, r, fx, fy) {
+            return gradientRadial(this.defs, cx, cy, r, fx, fy);
+        };
+        /*\
+         * Paper.toString
+         [ method ]
+         **
+         * Returns SVG code for the @Paper
+         = (string) SVG code for the @Paper
+        \*/
+        proto.toString = function () {
+            var doc = this.node.ownerDocument,
+                f = doc.createDocumentFragment(),
+                d = doc.createElement("div"),
+                svg = this.node.cloneNode(true),
+                res;
+            f.appendChild(d);
+            d.appendChild(svg);
+            Snap._.$(svg, {xmlns: "http://www.w3.org/2000/svg"});
+            res = d.innerHTML;
+            f.removeChild(f.firstChild);
+            return res;
+        };
+        /*\
+         * Paper.clear
+         [ method ]
+         **
+         * Removes all child nodes of the paper, except <defs>.
+        \*/
+        proto.clear = function () {
+            var node = this.node.firstChild,
+                next;
+            while (node) {
+                next = node.nextSibling;
+                if (node.tagName != "defs") {
+                    node.parentNode.removeChild(node);
+                } else {
+                    proto.clear.call({node: node});
+                }
+                node = next;
+            }
+        };
+    }());
+});
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob) {
+    var elproto = Element.prototype,
+        is = Snap.is,
+        clone = Snap._.clone,
+        has = "hasOwnProperty",
+        p2s = /,?([a-z]),?/gi,
+        toFloat = parseFloat,
+        math = Math,
+        PI = math.PI,
+        mmin = math.min,
+        mmax = math.max,
+        pow = math.pow,
+        abs = math.abs;
+    function paths(ps) {
+        var p = paths.ps = paths.ps || {};
+        if (p[ps]) {
+            p[ps].sleep = 100;
+        } else {
+            p[ps] = {
+                sleep: 100
+            };
+        }
+        setTimeout(function () {
+            for (var key in p) if (p[has](key) && key != ps) {
+                p[key].sleep--;
+                !p[key].sleep && delete p[key];
+            }
+        });
+        return p[ps];
+    }
+    function box(x, y, width, height) {
+        if (x == null) {
+            x = y = width = height = 0;
+        }
+        if (y == null) {
+            y = x.y;
+            width = x.width;
+            height = x.height;
+            x = x.x;
+        }
+        return {
+            x: x,
+            y: y,
+            width: width,
+            w: width,
+            height: height,
+            h: height,
+            x2: x + width,
+            y2: y + height,
+            cx: x + width / 2,
+            cy: y + height / 2,
+            r1: math.min(width, height) / 2,
+            r2: math.max(width, height) / 2,
+            r0: math.sqrt(width * width + height * height) / 2,
+            path: rectPath(x, y, width, height),
+            vb: [x, y, width, height].join(" ")
+        };
+    }
+    function toString() {
+        return this.join(",").replace(p2s, "$1");
+    }
+    function pathClone(pathArray) {
+        var res = clone(pathArray);
+        res.toString = toString;
+        return res;
+    }
+    function getPointAtSegmentLength(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {
+        if (length == null) {
+            return bezlen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y);
+        } else {
+            return findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y,
+                getTotLen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length));
+        }
+    }
+    function getLengthFactory(istotal, subpath) {
+        function O(val) {
+            return +(+val).toFixed(3);
+        }
+        return Snap._.cacher(function (path, length, onlystart) {
+            if (path instanceof Element) {
+                path = path.attr("d");
+            }
+            path = path2curve(path);
+            var x, y, p, l, sp = "", subpaths = {}, point,
+                len = 0;
+            for (var i = 0, ii = path.length; i < ii; i++) {
+                p = path[i];
+                if (p[0] == "M") {
+                    x = +p[1];
+                    y = +p[2];
+                } else {
+                    l = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
+                    if (len + l > length) {
+                        if (subpath && !subpaths.start) {
+                            point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
+                            sp += [
+                                "C" + O(point.start.x),
+                                O(point.start.y),
+                                O(point.m.x),
+                                O(point.m.y),
+                                O(point.x),
+                                O(point.y)
+                            ];
+                            if (onlystart) {return sp;}
+                            subpaths.start = sp;
+                            sp = [
+                                "M" + O(point.x),
+                                O(point.y) + "C" + O(point.n.x),
+                                O(point.n.y),
+                                O(point.end.x),
+                                O(point.end.y),
+                                O(p[5]),
+                                O(p[6])
+                            ].join();
+                            len += l;
+                            x = +p[5];
+                            y = +p[6];
+                            continue;
+                        }
+                        if (!istotal && !subpath) {
+                            point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
+                            return point;
+                        }
+                    }
+                    len += l;
+                    x = +p[5];
+                    y = +p[6];
+                }
+                sp += p.shift() + p;
+            }
+            subpaths.end = sp;
+            point = istotal ? len : subpath ? subpaths : findDotsAtSegment(x, y, p[0], p[1], p[2], p[3], p[4], p[5], 1);
+            return point;
+        }, null, Snap._.clone);
+    }
+    var getTotalLength = getLengthFactory(1),
+        getPointAtLength = getLengthFactory(),
+        getSubpathsAtLength = getLengthFactory(0, 1);
+    function findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
+        var t1 = 1 - t,
+            t13 = pow(t1, 3),
+            t12 = pow(t1, 2),
+            t2 = t * t,
+            t3 = t2 * t,
+            x = t13 * p1x + t12 * 3 * t * c1x + t1 * 3 * t * t * c2x + t3 * p2x,
+            y = t13 * p1y + t12 * 3 * t * c1y + t1 * 3 * t * t * c2y + t3 * p2y,
+            mx = p1x + 2 * t * (c1x - p1x) + t2 * (c2x - 2 * c1x + p1x),
+            my = p1y + 2 * t * (c1y - p1y) + t2 * (c2y - 2 * c1y + p1y),
+            nx = c1x + 2 * t * (c2x - c1x) + t2 * (p2x - 2 * c2x + c1x),
+            ny = c1y + 2 * t * (c2y - c1y) + t2 * (p2y - 2 * c2y + c1y),
+            ax = t1 * p1x + t * c1x,
+            ay = t1 * p1y + t * c1y,
+            cx = t1 * c2x + t * p2x,
+            cy = t1 * c2y + t * p2y,
+            alpha = (90 - math.atan2(mx - nx, my - ny) * 180 / PI);
+        // (mx > nx || my < ny) && (alpha += 180);
+        return {
+            x: x,
+            y: y,
+            m: {x: mx, y: my},
+            n: {x: nx, y: ny},
+            start: {x: ax, y: ay},
+            end: {x: cx, y: cy},
+            alpha: alpha
+        };
+    }
+    function bezierBBox(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
+        if (!Snap.is(p1x, "array")) {
+            p1x = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y];
+        }
+        var bbox = curveDim.apply(null, p1x);
+        return box(
+            bbox.min.x,
+            bbox.min.y,
+            bbox.max.x - bbox.min.x,
+            bbox.max.y - bbox.min.y
+        );
+    }
+    function isPointInsideBBox(bbox, x, y) {
+        return  x >= bbox.x &&
+                x <= bbox.x + bbox.width &&
+                y >= bbox.y &&
+                y <= bbox.y + bbox.height;
+    }
+    function isBBoxIntersect(bbox1, bbox2) {
+        bbox1 = box(bbox1);
+        bbox2 = box(bbox2);
+        return isPointInsideBBox(bbox2, bbox1.x, bbox1.y)
+            || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y)
+            || isPointInsideBBox(bbox2, bbox1.x, bbox1.y2)
+            || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y2)
+            || isPointInsideBBox(bbox1, bbox2.x, bbox2.y)
+            || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y)
+            || isPointInsideBBox(bbox1, bbox2.x, bbox2.y2)
+            || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y2)
+            || (bbox1.x < bbox2.x2 && bbox1.x > bbox2.x
+                || bbox2.x < bbox1.x2 && bbox2.x > bbox1.x)
+            && (bbox1.y < bbox2.y2 && bbox1.y > bbox2.y
+                || bbox2.y < bbox1.y2 && bbox2.y > bbox1.y);
+    }
+    function base3(t, p1, p2, p3, p4) {
+        var t1 = -3 * p1 + 9 * p2 - 9 * p3 + 3 * p4,
+            t2 = t * t1 + 6 * p1 - 12 * p2 + 6 * p3;
+        return t * t2 - 3 * p1 + 3 * p2;
+    }
+    function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) {
+        if (z == null) {
+            z = 1;
+        }
+        z = z > 1 ? 1 : z < 0 ? 0 : z;
+        var z2 = z / 2,
+            n = 12,
+            Tvalues = [-.1252,.1252,-.3678,.3678,-.5873,.5873,-.7699,.7699,-.9041,.9041,-.9816,.9816],
+            Cvalues = [0.2491,0.2491,0.2335,0.2335,0.2032,0.2032,0.1601,0.1601,0.1069,0.1069,0.0472,0.0472],
+            sum = 0;
+        for (var i = 0; i < n; i++) {
+            var ct = z2 * Tvalues[i] + z2,
+                xbase = base3(ct, x1, x2, x3, x4),
+                ybase = base3(ct, y1, y2, y3, y4),
+                comb = xbase * xbase + ybase * ybase;
+            sum += Cvalues[i] * math.sqrt(comb);
+        }
+        return z2 * sum;
+    }
+    function getTotLen(x1, y1, x2, y2, x3, y3, x4, y4, ll) {
+        if (ll < 0 || bezlen(x1, y1, x2, y2, x3, y3, x4, y4) < ll) {
+            return;
+        }
+        var t = 1,
+            step = t / 2,
+            t2 = t - step,
+            l,
+            e = .01;
+        l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
+        while (abs(l - ll) > e) {
+            step /= 2;
+            t2 += (l < ll ? 1 : -1) * step;
+            l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
+        }
+        return t2;
+    }
+    function intersect(x1, y1, x2, y2, x3, y3, x4, y4) {
+        if (
+            mmax(x1, x2) < mmin(x3, x4) ||
+            mmin(x1, x2) > mmax(x3, x4) ||
+            mmax(y1, y2) < mmin(y3, y4) ||
+            mmin(y1, y2) > mmax(y3, y4)
+        ) {
+            return;
+        }
+        var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4),
+            ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4),
+            denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);
+
+        if (!denominator) {
+            return;
+        }
+        var px = nx / denominator,
+            py = ny / denominator,
+            px2 = +px.toFixed(2),
+            py2 = +py.toFixed(2);
+        if (
+            px2 < +mmin(x1, x2).toFixed(2) ||
+            px2 > +mmax(x1, x2).toFixed(2) ||
+            px2 < +mmin(x3, x4).toFixed(2) ||
+            px2 > +mmax(x3, x4).toFixed(2) ||
+            py2 < +mmin(y1, y2).toFixed(2) ||
+            py2 > +mmax(y1, y2).toFixed(2) ||
+            py2 < +mmin(y3, y4).toFixed(2) ||
+            py2 > +mmax(y3, y4).toFixed(2)
+        ) {
+            return;
+        }
+        return {x: px, y: py};
+    }
+    function inter(bez1, bez2) {
+        return interHelper(bez1, bez2);
+    }
+    function interCount(bez1, bez2) {
+        return interHelper(bez1, bez2, 1);
+    }
+    function interHelper(bez1, bez2, justCount) {
+        var bbox1 = bezierBBox(bez1),
+            bbox2 = bezierBBox(bez2);
+        if (!isBBoxIntersect(bbox1, bbox2)) {
+            return justCount ? 0 : [];
+        }
+        var l1 = bezlen.apply(0, bez1),
+            l2 = bezlen.apply(0, bez2),
+            n1 = ~~(l1 / 8),
+            n2 = ~~(l2 / 8),
+            dots1 = [],
+            dots2 = [],
+            xy = {},
+            res = justCount ? 0 : [];
+        for (var i = 0; i < n1 + 1; i++) {
+            var p = findDotsAtSegment.apply(0, bez1.concat(i / n1));
+            dots1.push({x: p.x, y: p.y, t: i / n1});
+        }
+        for (i = 0; i < n2 + 1; i++) {
+            p = findDotsAtSegment.apply(0, bez2.concat(i / n2));
+            dots2.push({x: p.x, y: p.y, t: i / n2});
+        }
+        for (i = 0; i < n1; i++) {
+            for (var j = 0; j < n2; j++) {
+                var di = dots1[i],
+                    di1 = dots1[i + 1],
+                    dj = dots2[j],
+                    dj1 = dots2[j + 1],
+                    ci = abs(di1.x - di.x) < .001 ? "y" : "x",
+                    cj = abs(dj1.x - dj.x) < .001 ? "y" : "x",
+                    is = intersect(di.x, di.y, di1.x, di1.y, dj.x, dj.y, dj1.x, dj1.y);
+                if (is) {
+                    if (xy[is.x.toFixed(4)] == is.y.toFixed(4)) {
+                        continue;
+                    }
+                    xy[is.x.toFixed(4)] = is.y.toFixed(4);
+                    var t1 = di.t + abs((is[ci] - di[ci]) / (di1[ci] - di[ci])) * (di1.t - di.t),
+                        t2 = dj.t + abs((is[cj] - dj[cj]) / (dj1[cj] - dj[cj])) * (dj1.t - dj.t);
+                    if (t1 >= 0 && t1 <= 1 && t2 >= 0 && t2 <= 1) {
+                        if (justCount) {
+                            res++;
+                        } else {
+                            res.push({
+                                x: is.x,
+                                y: is.y,
+                                t1: t1,
+                                t2: t2
+                            });
+                        }
+                    }
+                }
+            }
+        }
+        return res;
+    }
+    function pathIntersection(path1, path2) {
+        return interPathHelper(path1, path2);
+    }
+    function pathIntersectionNumber(path1, path2) {
+        return interPathHelper(path1, path2, 1);
+    }
+    function interPathHelper(path1, path2, justCount) {
+        path1 = path2curve(path1);
+        path2 = path2curve(path2);
+        var x1, y1, x2, y2, x1m, y1m, x2m, y2m, bez1, bez2,
+            res = justCount ? 0 : [];
+        for (var i = 0, ii = path1.length; i < ii; i++) {
+            var pi = path1[i];
+            if (pi[0] == "M") {
+                x1 = x1m = pi[1];
+                y1 = y1m = pi[2];
+            } else {
+                if (pi[0] == "C") {
+                    bez1 = [x1, y1].concat(pi.slice(1));
+                    x1 = bez1[6];
+                    y1 = bez1[7];
+                } else {
+                    bez1 = [x1, y1, x1, y1, x1m, y1m, x1m, y1m];
+                    x1 = x1m;
+                    y1 = y1m;
+                }
+                for (var j = 0, jj = path2.length; j < jj; j++) {
+                    var pj = path2[j];
+                    if (pj[0] == "M") {
+                        x2 = x2m = pj[1];
+                        y2 = y2m = pj[2];
+                    } else {
+                        if (pj[0] == "C") {
+                            bez2 = [x2, y2].concat(pj.slice(1));
+                            x2 = bez2[6];
+                            y2 = bez2[7];
+                        } else {
+                            bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m];
+                            x2 = x2m;
+                            y2 = y2m;
+                        }
+                        var intr = interHelper(bez1, bez2, justCount);
+                        if (justCount) {
+                            res += intr;
+                        } else {
+                            for (var k = 0, kk = intr.length; k < kk; k++) {
+                                intr[k].segment1 = i;
+                                intr[k].segment2 = j;
+                                intr[k].bez1 = bez1;
+                                intr[k].bez2 = bez2;
+                            }
+                            res = res.concat(intr);
+                        }
+                    }
+                }
+            }
+        }
+        return res;
+    }
+    function isPointInsidePath(path, x, y) {
+        var bbox = pathBBox(path);
+        return isPointInsideBBox(bbox, x, y) &&
+               interPathHelper(path, [["M", x, y], ["H", bbox.x2 + 10]], 1) % 2 == 1;
+    }
+    function pathBBox(path) {
+        var pth = paths(path);
+        if (pth.bbox) {
+            return clone(pth.bbox);
+        }
+        if (!path) {
+            return box();
+        }
+        path = path2curve(path);
+        var x = 0, 
+            y = 0,
+            X = [],
+            Y = [],
+            p;
+        for (var i = 0, ii = path.length; i < ii; i++) {
+            p = path[i];
+            if (p[0] == "M") {
+                x = p[1];
+                y = p[2];
+                X.push(x);
+                Y.push(y);
+            } else {
+                var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
+                X = X.concat(dim.min.x, dim.max.x);
+                Y = Y.concat(dim.min.y, dim.max.y);
+                x = p[5];
+                y = p[6];
+            }
+        }
+        var xmin = mmin.apply(0, X),
+            ymin = mmin.apply(0, Y),
+            xmax = mmax.apply(0, X),
+            ymax = mmax.apply(0, Y),
+            bb = box(xmin, ymin, xmax - xmin, ymax - ymin);
+        pth.bbox = clone(bb);
+        return bb;
+    }
+    function rectPath(x, y, w, h, r) {
+        if (r) {
+            return [
+                ["M", +x + (+r), y],
+                ["l", w - r * 2, 0],
+                ["a", r, r, 0, 0, 1, r, r],
+                ["l", 0, h - r * 2],
+                ["a", r, r, 0, 0, 1, -r, r],
+                ["l", r * 2 - w, 0],
+                ["a", r, r, 0, 0, 1, -r, -r],
+                ["l", 0, r * 2 - h],
+                ["a", r, r, 0, 0, 1, r, -r],
+                ["z"]
+            ];
+        }
+        var res = [["M", x, y], ["l", w, 0], ["l", 0, h], ["l", -w, 0], ["z"]];
+        res.toString = toString;
+        return res;
+    }
+    function ellipsePath(x, y, rx, ry, a) {
+        if (a == null && ry == null) {
+            ry = rx;
+        }
+        x = +x;
+        y = +y;
+        rx = +rx;
+        ry = +ry;
+        if (a != null) {
+            var rad = Math.PI / 180,
+                x1 = x + rx * Math.cos(-ry * rad),
+                x2 = x + rx * Math.cos(-a * rad),
+                y1 = y + rx * Math.sin(-ry * rad),
+                y2 = y + rx * Math.sin(-a * rad),
+                res = [["M", x1, y1], ["A", rx, rx, 0, +(a - ry > 180), 0, x2, y2]];
+        } else {
+            res = [
+                ["M", x, y],
+                ["m", 0, -ry],
+                ["a", rx, ry, 0, 1, 1, 0, 2 * ry],
+                ["a", rx, ry, 0, 1, 1, 0, -2 * ry],
+                ["z"]
+            ];
+        }
+        res.toString = toString;
+        return res;
+    }
+    var unit2px = Snap._unit2px,
+        getPath = {
+        path: function (el) {
+            return el.attr("path");
+        },
+        circle: function (el) {
+            var attr = unit2px(el);
+            return ellipsePath(attr.cx, attr.cy, attr.r);
+        },
+        ellipse: function (el) {
+            var attr = unit2px(el);
+            return ellipsePath(attr.cx || 0, attr.cy || 0, attr.rx, attr.ry);
+        },
+        rect: function (el) {
+            var attr = unit2px(el);
+            return rectPath(attr.x || 0, attr.y || 0, attr.width, attr.height, attr.rx, attr.ry);
+        },
+        image: function (el) {
+            var attr = unit2px(el);
+            return rectPath(attr.x || 0, attr.y || 0, attr.width, attr.height);
+        },
+        line: function (el) {
+            return "M" + [el.attr("x1") || 0, el.attr("y1") || 0, el.attr("x2"), el.attr("y2")];
+        },
+        polyline: function (el) {
+            return "M" + el.attr("points");
+        },
+        polygon: function (el) {
+            return "M" + el.attr("points") + "z";
+        },
+        deflt: function (el) {
+            var bbox = el.node.getBBox();
+            return rectPath(bbox.x, bbox.y, bbox.width, bbox.height);
+        }
+    };
+    function pathToRelative(pathArray) {
+        var pth = paths(pathArray),
+            lowerCase = String.prototype.toLowerCase;
+        if (pth.rel) {
+            return pathClone(pth.rel);
+        }
+        if (!Snap.is(pathArray, "array") || !Snap.is(pathArray && pathArray[0], "array")) {
+            pathArray = Snap.parsePathString(pathArray);
+        }
+        var res = [],
+            x = 0,
+            y = 0,
+            mx = 0,
+            my = 0,
+            start = 0;
+        if (pathArray[0][0] == "M") {
+            x = pathArray[0][1];
+            y = pathArray[0][2];
+            mx = x;
+            my = y;
+            start++;
+            res.push(["M", x, y]);
+        }
+        for (var i = start, ii = pathArray.length; i < ii; i++) {
+            var r = res[i] = [],
+                pa = pathArray[i];
+            if (pa[0] != lowerCase.call(pa[0])) {
+                r[0] = lowerCase.call(pa[0]);
+                switch (r[0]) {
+                    case "a":
+                        r[1] = pa[1];
+                        r[2] = pa[2];
+                        r[3] = pa[3];
+                        r[4] = pa[4];
+                        r[5] = pa[5];
+                        r[6] = +(pa[6] - x).toFixed(3);
+                        r[7] = +(pa[7] - y).toFixed(3);
+                        break;
+                    case "v":
+                        r[1] = +(pa[1] - y).toFixed(3);
+                        break;
+                    case "m":
+                        mx = pa[1];
+                        my = pa[2];
+                    default:
+                        for (var j = 1, jj = pa.length; j < jj; j++) {
+                            r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);
+                        }
+                }
+            } else {
+                r = res[i] = [];
+                if (pa[0] == "m") {
+                    mx = pa[1] + x;
+                    my = pa[2] + y;
+                }
+                for (var k = 0, kk = pa.length; k < kk; k++) {
+                    res[i][k] = pa[k];
+                }
+            }
+            var len = res[i].length;
+            switch (res[i][0]) {
+                case "z":
+                    x = mx;
+                    y = my;
+                    break;
+                case "h":
+                    x += +res[i][len - 1];
+                    break;
+                case "v":
+                    y += +res[i][len - 1];
+                    break;
+                default:
+                    x += +res[i][len - 2];
+                    y += +res[i][len - 1];
+            }
+        }
+        res.toString = toString;
+        pth.rel = pathClone(res);
+        return res;
+    }
+    function pathToAbsolute(pathArray) {
+        var pth = paths(pathArray);
+        if (pth.abs) {
+            return pathClone(pth.abs);
+        }
+        if (!is(pathArray, "array") || !is(pathArray && pathArray[0], "array")) { // rough assumption
+            pathArray = Snap.parsePathString(pathArray);
+        }
+        if (!pathArray || !pathArray.length) {
+            return [["M", 0, 0]];
+        }
+        var res = [],
+            x = 0,
+            y = 0,
+            mx = 0,
+            my = 0,
+            start = 0,
+            pa0;
+        if (pathArray[0][0] == "M") {
+            x = +pathArray[0][1];
+            y = +pathArray[0][2];
+            mx = x;
+            my = y;
+            start++;
+            res[0] = ["M", x, y];
+        }
+        var crz = pathArray.length == 3 &&
+            pathArray[0][0] == "M" &&
+            pathArray[1][0].toUpperCase() == "R" &&
+            pathArray[2][0].toUpperCase() == "Z";
+        for (var r, pa, i = start, ii = pathArray.length; i < ii; i++) {
+            res.push(r = []);
+            pa = pathArray[i];
+            pa0 = pa[0];
+            if (pa0 != pa0.toUpperCase()) {
+                r[0] = pa0.toUpperCase();
+                switch (r[0]) {
+                    case "A":
+                        r[1] = pa[1];
+                        r[2] = pa[2];
+                        r[3] = pa[3];
+                        r[4] = pa[4];
+                        r[5] = pa[5];
+                        r[6] = +pa[6] + x;
+                        r[7] = +pa[7] + y;
+                        break;
+                    case "V":
+                        r[1] = +pa[1] + y;
+                        break;
+                    case "H":
+                        r[1] = +pa[1] + x;
+                        break;
+                    case "R":
+                        var dots = [x, y].concat(pa.slice(1));
+                        for (var j = 2, jj = dots.length; j < jj; j++) {
+                            dots[j] = +dots[j] + x;
+                            dots[++j] = +dots[j] + y;
+                        }
+                        res.pop();
+                        res = res.concat(catmullRom2bezier(dots, crz));
+                        break;
+                    case "O":
+                        res.pop();
+                        dots = ellipsePath(x, y, pa[1], pa[2]);
+                        dots.push(dots[0]);
+                        res = res.concat(dots);
+                        break;
+                    case "U":
+                        res.pop();
+                        res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3]));
+                        r = ["U"].concat(res[res.length - 1].slice(-2));
+                        break;
+                    case "M":
+                        mx = +pa[1] + x;
+                        my = +pa[2] + y;
+                    default:
+                        for (j = 1, jj = pa.length; j < jj; j++) {
+                            r[j] = +pa[j] + ((j % 2) ? x : y);
+                        }
+                }
+            } else if (pa0 == "R") {
+                dots = [x, y].concat(pa.slice(1));
+                res.pop();
+                res = res.concat(catmullRom2bezier(dots, crz));
+                r = ["R"].concat(pa.slice(-2));
+            } else if (pa0 == "O") {
+                res.pop();
+                dots = ellipsePath(x, y, pa[1], pa[2]);
+                dots.push(dots[0]);
+                res = res.concat(dots);
+            } else if (pa0 == "U") {
+                res.pop();
+                res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3]));
+                r = ["U"].concat(res[res.length - 1].slice(-2));
+            } else {
+                for (var k = 0, kk = pa.length; k < kk; k++) {
+                    r[k] = pa[k];
+                }
+            }
+            pa0 = pa0.toUpperCase();
+            if (pa0 != "O") {
+                switch (r[0]) {
+                    case "Z":
+                        x = +mx;
+                        y = +my;
+                        break;
+                    case "H":
+                        x = r[1];
+                        break;
+                    case "V":
+                        y = r[1];
+                        break;
+                    case "M":
+                        mx = r[r.length - 2];
+                        my = r[r.length - 1];
+                    default:
+                        x = r[r.length - 2];
+                        y = r[r.length - 1];
+                }
+            }
+        }
+        res.toString = toString;
+        pth.abs = pathClone(res);
+        return res;
+    }
+    function l2c(x1, y1, x2, y2) {
+        return [x1, y1, x2, y2, x2, y2];
+    }
+    function q2c(x1, y1, ax, ay, x2, y2) {
+        var _13 = 1 / 3,
+            _23 = 2 / 3;
+        return [
+                _13 * x1 + _23 * ax,
+                _13 * y1 + _23 * ay,
+                _13 * x2 + _23 * ax,
+                _13 * y2 + _23 * ay,
+                x2,
+                y2
+            ];
+    }
+    function a2c(x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {
+        // for more information of where this math came from visit:
+        // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
+        var _120 = PI * 120 / 180,
+            rad = PI / 180 * (+angle || 0),
+            res = [],
+            xy,
+            rotate = Snap._.cacher(function (x, y, rad) {
+                var X = x * math.cos(rad) - y * math.sin(rad),
+                    Y = x * math.sin(rad) + y * math.cos(rad);
+                return {x: X, y: Y};
+            });
+        if (!recursive) {
+            xy = rotate(x1, y1, -rad);
+            x1 = xy.x;
+            y1 = xy.y;
+            xy = rotate(x2, y2, -rad);
+            x2 = xy.x;
+            y2 = xy.y;
+            var cos = math.cos(PI / 180 * angle),
+                sin = math.sin(PI / 180 * angle),
+                x = (x1 - x2) / 2,
+                y = (y1 - y2) / 2;
+            var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);
+            if (h > 1) {
+                h = math.sqrt(h);
+                rx = h * rx;
+                ry = h * ry;
+            }
+            var rx2 = rx * rx,
+                ry2 = ry * ry,
+                k = (large_arc_flag == sweep_flag ? -1 : 1) *
+                    math.sqrt(abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),
+                cx = k * rx * y / ry + (x1 + x2) / 2,
+                cy = k * -ry * x / rx + (y1 + y2) / 2,
+                f1 = math.asin(((y1 - cy) / ry).toFixed(9)),
+                f2 = math.asin(((y2 - cy) / ry).toFixed(9));
+
+            f1 = x1 < cx ? PI - f1 : f1;
+            f2 = x2 < cx ? PI - f2 : f2;
+            f1 < 0 && (f1 = PI * 2 + f1);
+            f2 < 0 && (f2 = PI * 2 + f2);
+            if (sweep_flag && f1 > f2) {
+                f1 = f1 - PI * 2;
+            }
+            if (!sweep_flag && f2 > f1) {
+                f2 = f2 - PI * 2;
+            }
+        } else {
+            f1 = recursive[0];
+            f2 = recursive[1];
+            cx = recursive[2];
+            cy = recursive[3];
+        }
+        var df = f2 - f1;
+        if (abs(df) > _120) {
+            var f2old = f2,
+                x2old = x2,
+                y2old = y2;
+            f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
+            x2 = cx + rx * math.cos(f2);
+            y2 = cy + ry * math.sin(f2);
+            res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
+        }
+        df = f2 - f1;
+        var c1 = math.cos(f1),
+            s1 = math.sin(f1),
+            c2 = math.cos(f2),
+            s2 = math.sin(f2),
+            t = math.tan(df / 4),
+            hx = 4 / 3 * rx * t,
+            hy = 4 / 3 * ry * t,
+            m1 = [x1, y1],
+            m2 = [x1 + hx * s1, y1 - hy * c1],
+            m3 = [x2 + hx * s2, y2 - hy * c2],
+            m4 = [x2, y2];
+        m2[0] = 2 * m1[0] - m2[0];
+        m2[1] = 2 * m1[1] - m2[1];
+        if (recursive) {
+            return [m2, m3, m4].concat(res);
+        } else {
+            res = [m2, m3, m4].concat(res).join().split(",");
+            var newres = [];
+            for (var i = 0, ii = res.length; i < ii; i++) {
+                newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;
+            }
+            return newres;
+        }
+    }
+    function findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
+        var t1 = 1 - t;
+        return {
+            x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
+            y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y
+        };
+    }
+    
+    // Returns bounding box of cubic bezier curve.
+    // Source: http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
+    // Original version: NISHIO Hirokazu
+    // Modifications: https://github.com/timo22345
+    function curveDim(x0, y0, x1, y1, x2, y2, x3, y3) {
+        var tvalues = [],
+            bounds = [[], []],
+            a, b, c, t, t1, t2, b2ac, sqrtb2ac;
+        for (var i = 0; i < 2; ++i) {
+            if (i == 0) {
+                b = 6 * x0 - 12 * x1 + 6 * x2;
+                a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;
+                c = 3 * x1 - 3 * x0;
+            } else {
+                b = 6 * y0 - 12 * y1 + 6 * y2;
+                a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;
+                c = 3 * y1 - 3 * y0;
+            }
+            if (abs(a) < 1e-12) {
+                if (abs(b) < 1e-12) {
+                    continue;
+                }
+                t = -c / b;
+                if (0 < t && t < 1) {
+                    tvalues.push(t);
+                }
+                continue;
+            }
+            b2ac = b * b - 4 * c * a;
+            sqrtb2ac = math.sqrt(b2ac);
+            if (b2ac < 0) {
+                continue;
+            }
+            t1 = (-b + sqrtb2ac) / (2 * a);
+            if (0 < t1 && t1 < 1) {
+                tvalues.push(t1);
+            }
+            t2 = (-b - sqrtb2ac) / (2 * a);
+            if (0 < t2 && t2 < 1) {
+                tvalues.push(t2);
+            }
+        }
+
+        var x, y, j = tvalues.length,
+            jlen = j,
+            mt;
+        while (j--) {
+            t = tvalues[j];
+            mt = 1 - t;
+            bounds[0][j] = (mt * mt * mt * x0) + (3 * mt * mt * t * x1) + (3 * mt * t * t * x2) + (t * t * t * x3);
+            bounds[1][j] = (mt * mt * mt * y0) + (3 * mt * mt * t * y1) + (3 * mt * t * t * y2) + (t * t * t * y3);
+        }
+
+        bounds[0][jlen] = x0;
+        bounds[1][jlen] = y0;
+        bounds[0][jlen + 1] = x3;
+        bounds[1][jlen + 1] = y3;
+        bounds[0].length = bounds[1].length = jlen + 2;
+
+
+        return {
+          min: {x: mmin.apply(0, bounds[0]), y: mmin.apply(0, bounds[1])},
+          max: {x: mmax.apply(0, bounds[0]), y: mmax.apply(0, bounds[1])}
+        };
+    }
+
+    function path2curve(path, path2) {
+        var pth = !path2 && paths(path);
+        if (!path2 && pth.curve) {
+            return pathClone(pth.curve);
+        }
+        var p = pathToAbsolute(path),
+            p2 = path2 && pathToAbsolute(path2),
+            attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
+            attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
+            processPath = function (path, d, pcom) {
+                var nx, ny;
+                if (!path) {
+                    return ["C", d.x, d.y, d.x, d.y, d.x, d.y];
+                }
+                !(path[0] in {T: 1, Q: 1}) && (d.qx = d.qy = null);
+                switch (path[0]) {
+                    case "M":
+                        d.X = path[1];
+                        d.Y = path[2];
+                        break;
+                    case "A":
+                        path = ["C"].concat(a2c.apply(0, [d.x, d.y].concat(path.slice(1))));
+                        break;
+                    case "S":
+                        if (pcom == "C" || pcom == "S") { // In "S" case we have to take into account, if the previous command is C/S.
+                            nx = d.x * 2 - d.bx;          // And reflect the previous
+                            ny = d.y * 2 - d.by;          // command's control point relative to the current point.
+                        }
+                        else {                            // or some else or nothing
+                            nx = d.x;
+                            ny = d.y;
+                        }
+                        path = ["C", nx, ny].concat(path.slice(1));
+                        break;
+                    case "T":
+                        if (pcom == "Q" || pcom == "T") { // In "T" case we have to take into account, if the previous command is Q/T.
+                            d.qx = d.x * 2 - d.qx;        // And make a reflection similar
+                            d.qy = d.y * 2 - d.qy;        // to case "S".
+                        }
+                        else {                            // or something else or nothing
+                            d.qx = d.x;
+                            d.qy = d.y;
+                        }
+                        path = ["C"].concat(q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));
+                        break;
+                    case "Q":
+                        d.qx = path[1];
+                        d.qy = path[2];
+                        path = ["C"].concat(q2c(d.x, d.y, path[1], path[2], path[3], path[4]));
+                        break;
+                    case "L":
+                        path = ["C"].concat(l2c(d.x, d.y, path[1], path[2]));
+                        break;
+                    case "H":
+                        path = ["C"].concat(l2c(d.x, d.y, path[1], d.y));
+                        break;
+                    case "V":
+                        path = ["C"].concat(l2c(d.x, d.y, d.x, path[1]));
+                        break;
+                    case "Z":
+                        path = ["C"].concat(l2c(d.x, d.y, d.X, d.Y));
+                        break;
+                }
+                return path;
+            },
+            fixArc = function (pp, i) {
+                if (pp[i].length > 7) {
+                    pp[i].shift();
+                    var pi = pp[i];
+                    while (pi.length) {
+                        pcoms1[i] = "A"; // if created multiple C:s, their original seg is saved
+                        p2 && (pcoms2[i] = "A"); // the same as above
+                        pp.splice(i++, 0, ["C"].concat(pi.splice(0, 6)));
+                    }
+                    pp.splice(i, 1);
+                    ii = mmax(p.length, p2 && p2.length || 0);
+                }
+            },
+            fixM = function (path1, path2, a1, a2, i) {
+                if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") {
+                    path2.splice(i, 0, ["M", a2.x, a2.y]);
+                    a1.bx = 0;
+                    a1.by = 0;
+                    a1.x = path1[i][1];
+                    a1.y = path1[i][2];
+                    ii = mmax(p.length, p2 && p2.length || 0);
+                }
+            },
+            pcoms1 = [], // path commands of original path p
+            pcoms2 = [], // path commands of original path p2
+            pfirst = "", // temporary holder for original path command
+            pcom = ""; // holder for previous path command of original path
+        for (var i = 0, ii = mmax(p.length, p2 && p2.length || 0); i < ii; i++) {
+            p[i] && (pfirst = p[i][0]); // save current path command
+
+            if (pfirst != "C") // C is not saved yet, because it may be result of conversion
+            {
+                pcoms1[i] = pfirst; // Save current path command
+                i && ( pcom = pcoms1[i - 1]); // Get previous path command pcom
+            }
+            p[i] = processPath(p[i], attrs, pcom); // Previous path command is inputted to processPath
+
+            if (pcoms1[i] != "A" && pfirst == "C") pcoms1[i] = "C"; // A is the only command
+            // which may produce multiple C:s
+            // so we have to make sure that C is also C in original path
+
+            fixArc(p, i); // fixArc adds also the right amount of A:s to pcoms1
+
+            if (p2) { // the same procedures is done to p2
+                p2[i] && (pfirst = p2[i][0]);
+                if (pfirst != "C") {
+                    pcoms2[i] = pfirst;
+                    i && (pcom = pcoms2[i - 1]);
+                }
+                p2[i] = processPath(p2[i], attrs2, pcom);
+
+                if (pcoms2[i] != "A" && pfirst == "C") {
+                    pcoms2[i] = "C";
+                }
+
+                fixArc(p2, i);
+            }
+            fixM(p, p2, attrs, attrs2, i);
+            fixM(p2, p, attrs2, attrs, i);
+            var seg = p[i],
+                seg2 = p2 && p2[i],
+                seglen = seg.length,
+                seg2len = p2 && seg2.length;
+            attrs.x = seg[seglen - 2];
+            attrs.y = seg[seglen - 1];
+            attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;
+            attrs.by = toFloat(seg[seglen - 3]) || attrs.y;
+            attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);
+            attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);
+            attrs2.x = p2 && seg2[seg2len - 2];
+            attrs2.y = p2 && seg2[seg2len - 1];
+        }
+        if (!p2) {
+            pth.curve = pathClone(p);
+        }
+        return p2 ? [p, p2] : p;
+    }
+    function mapPath(path, matrix) {
+        if (!matrix) {
+            return path;
+        }
+        var x, y, i, j, ii, jj, pathi;
+        path = path2curve(path);
+        for (i = 0, ii = path.length; i < ii; i++) {
+            pathi = path[i];
+            for (j = 1, jj = pathi.length; j < jj; j += 2) {
+                x = matrix.x(pathi[j], pathi[j + 1]);
+                y = matrix.y(pathi[j], pathi[j + 1]);
+                pathi[j] = x;
+                pathi[j + 1] = y;
+            }
+        }
+        return path;
+    }
+
+    // http://schepers.cc/getting-to-the-point
+    function catmullRom2bezier(crp, z) {
+        var d = [];
+        for (var i = 0, iLen = crp.length; iLen - 2 * !z > i; i += 2) {
+            var p = [
+                        {x: +crp[i - 2], y: +crp[i - 1]},
+                        {x: +crp[i],     y: +crp[i + 1]},
+                        {x: +crp[i + 2], y: +crp[i + 3]},
+                        {x: +crp[i + 4], y: +crp[i + 5]}
+                    ];
+            if (z) {
+                if (!i) {
+                    p[0] = {x: +crp[iLen - 2], y: +crp[iLen - 1]};
+                } else if (iLen - 4 == i) {
+                    p[3] = {x: +crp[0], y: +crp[1]};
+                } else if (iLen - 2 == i) {
+                    p[2] = {x: +crp[0], y: +crp[1]};
+                    p[3] = {x: +crp[2], y: +crp[3]};
+                }
+            } else {
+                if (iLen - 4 == i) {
+                    p[3] = p[2];
+                } else if (!i) {
+                    p[0] = {x: +crp[i], y: +crp[i + 1]};
+                }
+            }
+            d.push(["C",
+                  (-p[0].x + 6 * p[1].x + p[2].x) / 6,
+                  (-p[0].y + 6 * p[1].y + p[2].y) / 6,
+                  (p[1].x + 6 * p[2].x - p[3].x) / 6,
+                  (p[1].y + 6*p[2].y - p[3].y) / 6,
+                  p[2].x,
+                  p[2].y
+            ]);
+        }
+
+        return d;
+    }
+
+    // export
+    Snap.path = paths;
+
+    /*\
+     * Snap.path.getTotalLength
+     [ method ]
+     **
+     * Returns the length of the given path in pixels
+     **
+     - path (string) SVG path string
+     **
+     = (number) length
+    \*/
+    Snap.path.getTotalLength = getTotalLength;
+    /*\
+     * Snap.path.getPointAtLength
+     [ method ]
+     **
+     * Returns the coordinates of the point located at the given length along the given path
+     **
+     - path (string) SVG path string
+     - length (number) length, in pixels, from the start of the path, excluding non-rendering jumps
+     **
+     = (object) representation of the point:
+     o {
+     o     x: (number) x coordinate,
+     o     y: (number) y coordinate,
+     o     alpha: (number) angle of derivative
+     o }
+    \*/
+    Snap.path.getPointAtLength = getPointAtLength;
+    /*\
+     * Snap.path.getSubpath
+     [ method ]
+     **
+     * Returns the subpath of a given path between given start and end lengths
+     **
+     - path (string) SVG path string
+     - from (number) length, in pixels, from the start of the path to the start of the segment
+     - to (number) length, in pixels, from the start of the path to the end of the segment
+     **
+     = (string) path string definition for the segment
+    \*/
+    Snap.path.getSubpath = function (path, from, to) {
+        if (this.getTotalLength(path) - to < 1e-6) {
+            return getSubpathsAtLength(path, from).end;
+        }
+        var a = getSubpathsAtLength(path, to, 1);
+        return from ? getSubpathsAtLength(a, from).end : a;
+    };
+    /*\
+     * Element.getTotalLength
+     [ method ]
+     **
+     * Returns the length of the path in pixels (only works for `path` elements)
+     = (number) length
+    \*/
+    elproto.getTotalLength = function () {
+        if (this.node.getTotalLength) {
+            return this.node.getTotalLength();
+        }
+    };
+    // SIERRA Element.getPointAtLength()/Element.getTotalLength(): If a <path> is broken into different segments, is the jump distance to the new coordinates set by the _M_ or _m_ commands calculated as part of the path's total length?
+    /*\
+     * Element.getPointAtLength
+     [ method ]
+     **
+     * Returns coordinates of the point located at the given length on the given path (only works for `path` elements)
+     **
+     - length (number) length, in pixels, from the start of the path, excluding non-rendering jumps
+     **
+     = (object) representation of the point:
+     o {
+     o     x: (number) x coordinate,
+     o     y: (number) y coordinate,
+     o     alpha: (number) angle of derivative
+     o }
+    \*/
+    elproto.getPointAtLength = function (length) {
+        return getPointAtLength(this.attr("d"), length);
+    };
+    // SIERRA Element.getSubpath(): Similar to the problem for Element.getPointAtLength(). Unclear how this would work for a segmented path. Overall, the concept of _subpath_ and what I'm calling a _segment_ (series of non-_M_ or _Z_ commands) is unclear.
+    /*\
+     * Element.getSubpath
+     [ method ]
+     **
+     * Returns subpath of a given element from given start and end lengths (only works for `path` elements)
+     **
+     - from (number) length, in pixels, from the start of the path to the start of the segment
+     - to (number) length, in pixels, from the start of the path to the end of the segment
+     **
+     = (string) path string definition for the segment
+    \*/
+    elproto.getSubpath = function (from, to) {
+        return Snap.path.getSubpath(this.attr("d"), from, to);
+    };
+    Snap._.box = box;
+    /*\
+     * Snap.path.findDotsAtSegment
+     [ method ]
+     **
+     * Utility method
+     **
+     * Finds dot coordinates on the given cubic beziér curve at the given t
+     - p1x (number) x of the first point of the curve
+     - p1y (number) y of the first point of the curve
+     - c1x (number) x of the first anchor of the curve
+     - c1y (number) y of the first anchor of the curve
+     - c2x (number) x of the second anchor of the curve
+     - c2y (number) y of the second anchor of the curve
+     - p2x (number) x of the second point of the curve
+     - p2y (number) y of the second point of the curve
+     - t (number) position on the curve (0..1)
+     = (object) point information in format:
+     o {
+     o     x: (number) x coordinate of the point,
+     o     y: (number) y coordinate of the point,
+     o     m: {
+     o         x: (number) x coordinate of the left anchor,
+     o         y: (number) y coordinate of the left anchor
+     o     },
+     o     n: {
+     o         x: (number) x coordinate of the right anchor,
+     o         y: (number) y coordinate of the right anchor
+     o     },
+     o     start: {
+     o         x: (number) x coordinate of the start of the curve,
+     o         y: (number) y coordinate of the start of the curve
+     o     },
+     o     end: {
+     o         x: (number) x coordinate of the end of the curve,
+     o         y: (number) y coordinate of the end of the curve
+     o     },
+     o     alpha: (number) angle of the curve derivative at the point
+     o }
+    \*/
+    Snap.path.findDotsAtSegment = findDotsAtSegment;
+    /*\
+     * Snap.path.bezierBBox
+     [ method ]
+     **
+     * Utility method
+     **
+     * Returns the bounding box of a given cubic beziér curve
+     - p1x (number) x of the first point of the curve
+     - p1y (number) y of the first point of the curve
+     - c1x (number) x of the first anchor of the curve
+     - c1y (number) y of the first anchor of the curve
+     - c2x (number) x of the second anchor of the curve
+     - c2y (number) y of the second anchor of the curve
+     - p2x (number) x of the second point of the curve
+     - p2y (number) y of the second point of the curve
+     * or
+     - bez (array) array of six points for beziér curve
+     = (object) bounding box
+     o {
+     o     x: (number) x coordinate of the left top point of the box,
+     o     y: (number) y coordinate of the left top point of the box,
+     o     x2: (number) x coordinate of the right bottom point of the box,
+     o     y2: (number) y coordinate of the right bottom point of the box,
+     o     width: (number) width of the box,
+     o     height: (number) height of the box
+     o }
+    \*/
+    Snap.path.bezierBBox = bezierBBox;
+    /*\
+     * Snap.path.isPointInsideBBox
+     [ method ]
+     **
+     * Utility method
+     **
+     * Returns `true` if given point is inside bounding box
+     - bbox (string) bounding box
+     - x (string) x coordinate of the point
+     - y (string) y coordinate of the point
+     = (boolean) `true` if point is inside
+    \*/
+    Snap.path.isPointInsideBBox = isPointInsideBBox;
+    /*\
+     * Snap.path.isBBoxIntersect
+     [ method ]
+     **
+     * Utility method
+     **
+     * Returns `true` if two bounding boxes intersect
+     - bbox1 (string) first bounding box
+     - bbox2 (string) second bounding box
+     = (boolean) `true` if bounding boxes intersect
+    \*/
+    Snap.path.isBBoxIntersect = isBBoxIntersect;
+    /*\
+     * Snap.path.intersection
+     [ method ]
+     **
+     * Utility method
+     **
+     * Finds intersections of two paths
+     - path1 (string) path string
+     - path2 (string) path string
+     = (array) dots of intersection
+     o [
+     o     {
+     o         x: (number) x coordinate of the point,
+     o         y: (number) y coordinate of the point,
+     o         t1: (number) t value for segment of path1,
+     o         t2: (number) t value for segment of path2,
+     o         segment1: (number) order number for segment of path1,
+     o         segment2: (number) order number for segment of path2,
+     o         bez1: (array) eight coordinates representing beziér curve for the segment of path1,
+     o         bez2: (array) eight coordinates representing beziér curve for the segment of path2
+     o     }
+     o ]
+    \*/
+    Snap.path.intersection = pathIntersection;
+    Snap.path.intersectionNumber = pathIntersectionNumber;
+    /*\
+     * Snap.path.isPointInside
+     [ method ]
+     **
+     * Utility method
+     **
+     * Returns `true` if given point is inside a given closed path.
+     *
+     * Note: fill mode doesn’t affect the result of this method.
+     - path (string) path string
+     - x (number) x of the point
+     - y (number) y of the point
+     = (boolean) `true` if point is inside the path
+    \*/
+    Snap.path.isPointInside = isPointInsidePath;
+    /*\
+     * Snap.path.getBBox
+     [ method ]
+     **
+     * Utility method
+     **
+     * Returns the bounding box of a given path
+     - path (string) path string
+     = (object) bounding box
+     o {
+     o     x: (number) x coordinate of the left top point of the box,
+     o     y: (number) y coordinate of the left top point of the box,
+     o     x2: (number) x coordinate of the right bottom point of the box,
+     o     y2: (number) y coordinate of the right bottom point of the box,
+     o     width: (number) width of the box,
+     o     height: (number) height of the box
+     o }
+    \*/
+    Snap.path.getBBox = pathBBox;
+    Snap.path.get = getPath;
+    /*\
+     * Snap.path.toRelative
+     [ method ]
+     **
+     * Utility method
+     **
+     * Converts path coordinates into relative values
+     - path (string) path string
+     = (array) path string
+    \*/
+    Snap.path.toRelative = pathToRelative;
+    /*\
+     * Snap.path.toAbsolute
+     [ method ]
+     **
+     * Utility method
+     **
+     * Converts path coordinates into absolute values
+     - path (string) path string
+     = (array) path string
+    \*/
+    Snap.path.toAbsolute = pathToAbsolute;
+    /*\
+     * Snap.path.toCubic
+     [ method ]
+     **
+     * Utility method
+     **
+     * Converts path to a new path where all segments are cubic beziér curves
+     - pathString (string|array) path string or array of segments
+     = (array) array of segments
+    \*/
+    Snap.path.toCubic = path2curve;
+    /*\
+     * Snap.path.map
+     [ method ]
+     **
+     * Transform the path string with the given matrix
+     - path (string) path string
+     - matrix (object) see @Matrix
+     = (string) transformed path string
+    \*/
+    Snap.path.map = mapPath;
+    Snap.path.toString = toString;
+    Snap.path.clone = pathClone;
+});
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob) {
+    var mmax = Math.max,
+        mmin = Math.min;
+
+    // Set
+    var Set = function (items) {
+        this.items = [];
+	this.bindings = {};
+        this.length = 0;
+        this.type = "set";
+        if (items) {
+            for (var i = 0, ii = items.length; i < ii; i++) {
+                if (items[i]) {
+                    this[this.items.length] = this.items[this.items.length] = items[i];
+                    this.length++;
+                }
+            }
+        }
+    },
+    setproto = Set.prototype;
+    /*\
+     * Set.push
+     [ method ]
+     **
+     * Adds each argument to the current set
+     = (object) original element
+    \*/
+    setproto.push = function () {
+        var item,
+            len;
+        for (var i = 0, ii = arguments.length; i < ii; i++) {
+            item = arguments[i];
+            if (item) {
+                len = this.items.length;
+                this[len] = this.items[len] = item;
+                this.length++;
+            }
+        }
+        return this;
+    };
+    /*\
+     * Set.pop
+     [ method ]
+     **
+     * Removes last element and returns it
+     = (object) element
+    \*/
+    setproto.pop = function () {
+        this.length && delete this[this.length--];
+        return this.items.pop();
+    };
+    /*\
+     * Set.forEach
+     [ method ]
+     **
+     * Executes given function for each element in the set
+     *
+     * If the function returns `false`, the loop stops running.
+     **
+     - callback (function) function to run
+     - thisArg (object) context object for the callback
+     = (object) Set object
+    \*/
+    setproto.forEach = function (callback, thisArg) {
+        for (var i = 0, ii = this.items.length; i < ii; i++) {
+            if (callback.call(thisArg, this.items[i], i) === false) {
+                return this;
+            }
+        }
+        return this;
+    };
+    /*\
+     * Set.animate
+     [ method ]
+     **
+     * Animates each element in set in sync.
+     *
+     **
+     - attrs (object) key-value pairs of destination attributes
+     - duration (number) duration of the animation in milliseconds
+     - easing (function) #optional easing function from @mina or custom
+     - callback (function) #optional callback function that executes when the animation ends
+     * or
+     - animation (array) array of animation parameter for each element in set in format `[attrs, duration, easing, callback]`
+     > Usage
+     | // animate all elements in set to radius 10
+     | set.animate({r: 10}, 500, mina.easein);
+     | // or
+     | // animate first element to radius 10, but second to radius 20 and in different time
+     | set.animate([{r: 10}, 500, mina.easein], [{r: 20}, 1500, mina.easein]);
+     = (Element) the current element
+    \*/
+    setproto.animate = function (attrs, ms, easing, callback) {
+        if (typeof easing == "function" && !easing.length) {
+            callback = easing;
+            easing = mina.linear;
+        }
+        if (attrs instanceof Snap._.Animation) {
+            callback = attrs.callback;
+            easing = attrs.easing;
+            ms = easing.dur;
+            attrs = attrs.attr;
+        }
+        var args = arguments;
+        if (Snap.is(attrs, "array") && Snap.is(args[args.length - 1], "array")) {
+            var each = true;
+        }
+        var begin,
+            handler = function () {
+                if (begin) {
+                    this.b = begin;
+                } else {
+                    begin = this.b;
+                }
+            },
+            cb = 0,
+            callbacker = callback && function () {
+                if (cb++ == this.length) {
+                    callback.call(this);
+                }
+            };
+        return this.forEach(function (el, i) {
+            eve.once("snap.animcreated." + el.id, handler);
+            if (each) {
+                args[i] && el.animate.apply(el, args[i]);
+            } else {
+                el.animate(attrs, ms, easing, callbacker);
+            }
+        });
+    };
+    setproto.remove = function () {
+        while (this.length) {
+            this.pop().remove();
+        }
+        return this;
+    };
+    /*\
+     * Set.bind
+     [ method ]
+     **
+     * Specifies how to handle a specific attribute when applied
+     * to a set.
+     *
+     **
+     - attr (string) attribute name
+     - callback (function) function to run
+     * or
+     - attr (string) attribute name
+     - element (Element) specific element in the set to apply the attribute to
+     * or
+     - attr (string) attribute name
+     - element (Element) specific element in the set to apply the attribute to
+     - eattr (string) attribute on the element to bind the attribute to
+     = (object) Set object
+    \*/
+    setproto.bind = function (attr, a, b) {
+        var data = {};
+        if (typeof a == "function") {
+            this.bindings[attr] = a;
+        } else {
+            var aname = b || attr;
+            this.bindings[attr] = function (v) {
+                data[aname] = v;
+                a.attr(data);
+            };
+        }
+        return this;
+    };
+    setproto.attr = function (value) {
+        var unbound = {};
+        for (var k in value) {
+            if (this.bindings[k]) {
+                this.bindings[k](value[k]);
+            } else {
+                unbound[k] = value[k];
+            }
+        }
+        for (var i = 0, ii = this.items.length; i < ii; i++) {
+            this.items[i].attr(unbound);
+        }
+        return this;
+    };
+    /*\
+     * Set.clear
+     [ method ]
+     **
+     * Removes all elements from the set
+    \*/
+    setproto.clear = function () {
+        while (this.length) {
+            this.pop();
+        }
+    };
+    /*\
+     * Set.splice
+     [ method ]
+     **
+     * Removes range of elements from the set
+     **
+     - index (number) position of the deletion
+     - count (number) number of element to remove
+     - insertion… (object) #optional elements to insert
+     = (object) set elements that were deleted
+    \*/
+    setproto.splice = function (index, count, insertion) {
+        index = index < 0 ? mmax(this.length + index, 0) : index;
+        count = mmax(0, mmin(this.length - index, count));
+        var tail = [],
+            todel = [],
+            args = [],
+            i;
+        for (i = 2; i < arguments.length; i++) {
+            args.push(arguments[i]);
+        }
+        for (i = 0; i < count; i++) {
+            todel.push(this[index + i]);
+        }
+        for (; i < this.length - index; i++) {
+            tail.push(this[index + i]);
+        }
+        var arglen = args.length;
+        for (i = 0; i < arglen + tail.length; i++) {
+            this.items[index + i] = this[index + i] = i < arglen ? args[i] : tail[i - arglen];
+        }
+        i = this.items.length = this.length -= count - arglen;
+        while (this[i]) {
+            delete this[i++];
+        }
+        return new Set(todel);
+    };
+    /*\
+     * Set.exclude
+     [ method ]
+     **
+     * Removes given element from the set
+     **
+     - element (object) element to remove
+     = (boolean) `true` if object was found and removed from the set
+    \*/
+    setproto.exclude = function (el) {
+        for (var i = 0, ii = this.length; i < ii; i++) if (this[i] == el) {
+            this.splice(i, 1);
+            return true;
+        }
+        return false;
+    };
+    setproto.insertAfter = function (el) {
+        var i = this.items.length;
+        while (i--) {
+            this.items[i].insertAfter(el);
+        }
+        return this;
+    };
+    setproto.getBBox = function () {
+        var x = [],
+            y = [],
+            x2 = [],
+            y2 = [];
+        for (var i = this.items.length; i--;) if (!this.items[i].removed) {
+            var box = this.items[i].getBBox();
+            x.push(box.x);
+            y.push(box.y);
+            x2.push(box.x + box.width);
+            y2.push(box.y + box.height);
+        }
+        x = mmin.apply(0, x);
+        y = mmin.apply(0, y);
+        x2 = mmax.apply(0, x2);
+        y2 = mmax.apply(0, y2);
+        return {
+            x: x,
+            y: y,
+            x2: x2,
+            y2: y2,
+            width: x2 - x,
+            height: y2 - y,
+            cx: x + (x2 - x) / 2,
+            cy: y + (y2 - y) / 2
+        };
+    };
+    setproto.clone = function (s) {
+        s = new Set;
+        for (var i = 0, ii = this.items.length; i < ii; i++) {
+            s.push(this.items[i].clone());
+        }
+        return s;
+    };
+    setproto.toString = function () {
+        return "Snap\u2018s set";
+    };
+    setproto.type = "set";
+    // export
+    Snap.set = function () {
+        var set = new Set;
+        if (arguments.length) {
+            set.push.apply(set, Array.prototype.slice.call(arguments, 0));
+        }
+        return set;
+    };
+});
+
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob) {
+    var names = {},
+        reUnit = /[a-z]+$/i,
+        Str = String;
+    names.stroke = names.fill = "colour";
+    function getEmpty(item) {
+        var l = item[0];
+        switch (l.toLowerCase()) {
+            case "t": return [l, 0, 0];
+            case "m": return [l, 1, 0, 0, 1, 0, 0];
+            case "r": if (item.length == 4) {
+                return [l, 0, item[2], item[3]];
+            } else {
+                return [l, 0];
+            }
+            case "s": if (item.length == 5) {
+                return [l, 1, 1, item[3], item[4]];
+            } else if (item.length == 3) {
+                return [l, 1, 1];
+            } else {
+                return [l, 1];
+            }
+        }
+    }
+    function equaliseTransform(t1, t2, getBBox) {
+        t2 = Str(t2).replace(/\.{3}|\u2026/g, t1);
+        t1 = Snap.parseTransformString(t1) || [];
+        t2 = Snap.parseTransformString(t2) || [];
+        var maxlength = Math.max(t1.length, t2.length),
+            from = [],
+            to = [],
+            i = 0, j, jj,
+            tt1, tt2;
+        for (; i < maxlength; i++) {
+            tt1 = t1[i] || getEmpty(t2[i]);
+            tt2 = t2[i] || getEmpty(tt1);
+            if ((tt1[0] != tt2[0]) ||
+                (tt1[0].toLowerCase() == "r" && (tt1[2] != tt2[2] || tt1[3] != tt2[3])) ||
+                (tt1[0].toLowerCase() == "s" && (tt1[3] != tt2[3] || tt1[4] != tt2[4]))
+                ) {
+                    t1 = Snap._.transform2matrix(t1, getBBox());
+                    t2 = Snap._.transform2matrix(t2, getBBox());
+                    from = [["m", t1.a, t1.b, t1.c, t1.d, t1.e, t1.f]];
+                    to = [["m", t2.a, t2.b, t2.c, t2.d, t2.e, t2.f]];
+                    break;
+            }
+            from[i] = [];
+            to[i] = [];
+            for (j = 0, jj = Math.max(tt1.length, tt2.length); j < jj; j++) {
+                j in tt1 && (from[i][j] = tt1[j]);
+                j in tt2 && (to[i][j] = tt2[j]);
+            }
+        }
+        return {
+            from: path2array(from),
+            to: path2array(to),
+            f: getPath(from)
+        };
+    }
+    function getNumber(val) {
+        return val;
+    }
+    function getUnit(unit) {
+        return function (val) {
+            return +val.toFixed(3) + unit;
+        };
+    }
+    function getColour(clr) {
+        return Snap.rgb(clr[0], clr[1], clr[2]);
+    }
+    function getPath(path) {
+        var k = 0, i, ii, j, jj, out, a, b = [];
+        for (i = 0, ii = path.length; i < ii; i++) {
+            out = "[";
+            a = ['"' + path[i][0] + '"'];
+            for (j = 1, jj = path[i].length; j < jj; j++) {
+                a[j] = "val[" + (k++) + "]";
+            }
+            out += a + "]";
+            b[i] = out;
+        }
+        return Function("val", "return Snap.path.toString.call([" + b + "])");
+    }
+    function path2array(path) {
+        var out = [];
+        for (var i = 0, ii = path.length; i < ii; i++) {
+            for (var j = 1, jj = path[i].length; j < jj; j++) {
+                out.push(path[i][j]);
+            }
+        }
+        return out;
+    }
+    Element.prototype.equal = function (name, b) {
+        return eve("snap.util.equal", this, name, b).firstDefined();
+    };
+    eve.on("snap.util.equal", function (name, b) {
+        var A, B, a = Str(this.attr(name) || ""),
+            el = this;
+        if (a == +a && b == +b) {
+            return {
+                from: +a,
+                to: +b,
+                f: getNumber
+            };
+        }
+        if (names[name] == "colour") {
+            A = Snap.color(a);
+            B = Snap.color(b);
+            return {
+                from: [A.r, A.g, A.b, A.opacity],
+                to: [B.r, B.g, B.b, B.opacity],
+                f: getColour
+            };
+        }
+        if (name == "transform" || name == "gradientTransform" || name == "patternTransform") {
+            if (b instanceof Snap.Matrix) {
+                b = b.toTransformString();
+            }
+            if (!Snap._.rgTransform.test(b)) {
+                b = Snap._.svgTransform2string(b);
+            }
+            return equaliseTransform(a, b, function () {
+                return el.getBBox(1);
+            });
+        }
+        if (name == "d" || name == "path") {
+            A = Snap.path.toCubic(a, b);
+            return {
+                from: path2array(A[0]),
+                to: path2array(A[1]),
+                f: getPath(A[0])
+            };
+        }
+        if (name == "points") {
+            A = Str(a).split(Snap._.separator);
+            B = Str(b).split(Snap._.separator);
+            return {
+                from: A,
+                to: B,
+                f: function (val) { return val; }
+            };
+        }
+        aUnit = a.match(reUnit);
+        var bUnit = Str(b).match(reUnit);
+        if (aUnit && aUnit == bUnit) {
+            return {
+                from: parseFloat(a),
+                to: parseFloat(b),
+                f: getUnit(aUnit)
+            };
+        } else {
+            return {
+                from: this.asPX(name),
+                to: this.asPX(name, b),
+                f: getNumber
+            };
+        }
+    });
+});
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob) {
+    var elproto = Element.prototype,
+    has = "hasOwnProperty",
+    supportsTouch = "createTouch" in glob.doc,
+    events = [
+        "click", "dblclick", "mousedown", "mousemove", "mouseout",
+        "mouseover", "mouseup", "touchstart", "touchmove", "touchend",
+        "touchcancel"
+    ],
+    touchMap = {
+        mousedown: "touchstart",
+        mousemove: "touchmove",
+        mouseup: "touchend"
+    },
+    getScroll = function (xy, el) {
+        var name = xy == "y" ? "scrollTop" : "scrollLeft",
+            doc = el && el.node ? el.node.ownerDocument : glob.doc;
+        return doc[name in doc.documentElement ? "documentElement" : "body"][name];
+    },
+    preventDefault = function () {
+        this.returnValue = false;
+    },
+    preventTouch = function () {
+        return this.originalEvent.preventDefault();
+    },
+    stopPropagation = function () {
+        this.cancelBubble = true;
+    },
+    stopTouch = function () {
+        return this.originalEvent.stopPropagation();
+    },
+    addEvent = (function () {
+        if (glob.doc.addEventListener) {
+            return function (obj, type, fn, element) {
+                var realName = supportsTouch && touchMap[type] ? touchMap[type] : type,
+                    f = function (e) {
+                        var scrollY = getScroll("y", element),
+                            scrollX = getScroll("x", element);
+                        if (supportsTouch && touchMap[has](type)) {
+                            for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {
+                                if (e.targetTouches[i].target == obj || obj.contains(e.targetTouches[i].target)) {
+                                    var olde = e;
+                                    e = e.targetTouches[i];
+                                    e.originalEvent = olde;
+                                    e.preventDefault = preventTouch;
+                                    e.stopPropagation = stopTouch;
+                                    break;
+                                }
+                            }
+                        }
+                        var x = e.clientX + scrollX,
+                            y = e.clientY + scrollY;
+                        return fn.call(element, e, x, y);
+                    };
+
+                if (type !== realName) {
+                    obj.addEventListener(type, f, false);
+                }
+
+                obj.addEventListener(realName, f, false);
+
+                return function () {
+                    if (type !== realName) {
+                        obj.removeEventListener(type, f, false);
+                    }
+
+                    obj.removeEventListener(realName, f, false);
+                    return true;
+                };
+            };
+        } else if (glob.doc.attachEvent) {
+            return function (obj, type, fn, element) {
+                var f = function (e) {
+                    e = e || element.node.ownerDocument.window.event;
+                    var scrollY = getScroll("y", element),
+                        scrollX = getScroll("x", element),
+                        x = e.clientX + scrollX,
+                        y = e.clientY + scrollY;
+                    e.preventDefault = e.preventDefault || preventDefault;
+                    e.stopPropagation = e.stopPropagation || stopPropagation;
+                    return fn.call(element, e, x, y);
+                };
+                obj.attachEvent("on" + type, f);
+                var detacher = function () {
+                    obj.detachEvent("on" + type, f);
+                    return true;
+                };
+                return detacher;
+            };
+        }
+    })(),
+    drag = [],
+    dragMove = function (e) {
+        var x = e.clientX,
+            y = e.clientY,
+            scrollY = getScroll("y"),
+            scrollX = getScroll("x"),
+            dragi,
+            j = drag.length;
+        while (j--) {
+            dragi = drag[j];
+            if (supportsTouch) {
+                var i = e.touches && e.touches.length,
+                    touch;
+                while (i--) {
+                    touch = e.touches[i];
+                    if (touch.identifier == dragi.el._drag.id || dragi.el.node.contains(touch.target)) {
+                        x = touch.clientX;
+                        y = touch.clientY;
+                        (e.originalEvent ? e.originalEvent : e).preventDefault();
+                        break;
+                    }
+                }
+            } else {
+                e.preventDefault();
+            }
+            var node = dragi.el.node,
+                o,
+                next = node.nextSibling,
+                parent = node.parentNode,
+                display = node.style.display;
+            // glob.win.opera && parent.removeChild(node);
+            // node.style.display = "none";
+            // o = dragi.el.paper.getElementByPoint(x, y);
+            // node.style.display = display;
+            // glob.win.opera && (next ? parent.insertBefore(node, next) : parent.appendChild(node));
+            // o && eve("snap.drag.over." + dragi.el.id, dragi.el, o);
+            x += scrollX;
+            y += scrollY;
+            eve("snap.drag.move." + dragi.el.id, dragi.move_scope || dragi.el, x - dragi.el._drag.x, y - dragi.el._drag.y, x, y, e);
+        }
+    },
+    dragUp = function (e) {
+        Snap.unmousemove(dragMove).unmouseup(dragUp);
+        var i = drag.length,
+            dragi;
+        while (i--) {
+            dragi = drag[i];
+            dragi.el._drag = {};
+            eve("snap.drag.end." + dragi.el.id, dragi.end_scope || dragi.start_scope || dragi.move_scope || dragi.el, e);
+        }
+        drag = [];
+    };
+    /*\
+     * Element.click
+     [ method ]
+     **
+     * Adds a click event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.unclick
+     [ method ]
+     **
+     * Removes a click event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.dblclick
+     [ method ]
+     **
+     * Adds a double click event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.undblclick
+     [ method ]
+     **
+     * Removes a double click event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.mousedown
+     [ method ]
+     **
+     * Adds a mousedown event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.unmousedown
+     [ method ]
+     **
+     * Removes a mousedown event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.mousemove
+     [ method ]
+     **
+     * Adds a mousemove event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.unmousemove
+     [ method ]
+     **
+     * Removes a mousemove event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.mouseout
+     [ method ]
+     **
+     * Adds a mouseout event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.unmouseout
+     [ method ]
+     **
+     * Removes a mouseout event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.mouseover
+     [ method ]
+     **
+     * Adds a mouseover event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.unmouseover
+     [ method ]
+     **
+     * Removes a mouseover event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.mouseup
+     [ method ]
+     **
+     * Adds a mouseup event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.unmouseup
+     [ method ]
+     **
+     * Removes a mouseup event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.touchstart
+     [ method ]
+     **
+     * Adds a touchstart event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.untouchstart
+     [ method ]
+     **
+     * Removes a touchstart event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.touchmove
+     [ method ]
+     **
+     * Adds a touchmove event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.untouchmove
+     [ method ]
+     **
+     * Removes a touchmove event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.touchend
+     [ method ]
+     **
+     * Adds a touchend event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.untouchend
+     [ method ]
+     **
+     * Removes a touchend event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    
+    /*\
+     * Element.touchcancel
+     [ method ]
+     **
+     * Adds a touchcancel event handler to the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    /*\
+     * Element.untouchcancel
+     [ method ]
+     **
+     * Removes a touchcancel event handler from the element
+     - handler (function) handler for the event
+     = (object) @Element
+    \*/
+    for (var i = events.length; i--;) {
+        (function (eventName) {
+            Snap[eventName] = elproto[eventName] = function (fn, scope) {
+                if (Snap.is(fn, "function")) {
+                    this.events = this.events || [];
+                    this.events.push({
+                        name: eventName,
+                        f: fn,
+                        unbind: addEvent(this.node || document, eventName, fn, scope || this)
+                    });
+                }
+                return this;
+            };
+            Snap["un" + eventName] =
+            elproto["un" + eventName] = function (fn) {
+                var events = this.events || [],
+                    l = events.length;
+                while (l--) if (events[l].name == eventName &&
+                               (events[l].f == fn || !fn)) {
+                    events[l].unbind();
+                    events.splice(l, 1);
+                    !events.length && delete this.events;
+                    return this;
+                }
+                return this;
+            };
+        })(events[i]);
+    }
+    /*\
+     * Element.hover
+     [ method ]
+     **
+     * Adds hover event handlers to the element
+     - f_in (function) handler for hover in
+     - f_out (function) handler for hover out
+     - icontext (object) #optional context for hover in handler
+     - ocontext (object) #optional context for hover out handler
+     = (object) @Element
+    \*/
+    elproto.hover = function (f_in, f_out, scope_in, scope_out) {
+        return this.mouseover(f_in, scope_in).mouseout(f_out, scope_out || scope_in);
+    };
+    /*\
+     * Element.unhover
+     [ method ]
+     **
+     * Removes hover event handlers from the element
+     - f_in (function) handler for hover in
+     - f_out (function) handler for hover out
+     = (object) @Element
+    \*/
+    elproto.unhover = function (f_in, f_out) {
+        return this.unmouseover(f_in).unmouseout(f_out);
+    };
+    var draggable = [];
+    // SIERRA unclear what _context_ refers to for starting, ending, moving the drag gesture.
+    // SIERRA Element.drag(): _x position of the mouse_: Where are the x/y values offset from?
+    // SIERRA Element.drag(): much of this member's doc appears to be duplicated for some reason.
+    // SIERRA Unclear about this sentence: _Additionally following drag events will be triggered: drag.start.<id> on start, drag.end.<id> on end and drag.move.<id> on every move._ Is there a global _drag_ object to which you can assign handlers keyed by an element's ID?
+    /*\
+     * Element.drag
+     [ method ]
+     **
+     * Adds event handlers for an element's drag gesture
+     **
+     - onmove (function) handler for moving
+     - onstart (function) handler for drag start
+     - onend (function) handler for drag end
+     - mcontext (object) #optional context for moving handler
+     - scontext (object) #optional context for drag start handler
+     - econtext (object) #optional context for drag end handler
+     * Additionaly following `drag` events are triggered: `drag.start.<id>` on start, 
+     * `drag.end.<id>` on end and `drag.move.<id>` on every move. When element is dragged over another element 
+     * `drag.over.<id>` fires as well.
+     *
+     * Start event and start handler are called in specified context or in context of the element with following parameters:
+     o x (number) x position of the mouse
+     o y (number) y position of the mouse
+     o event (object) DOM event object
+     * Move event and move handler are called in specified context or in context of the element with following parameters:
+     o dx (number) shift by x from the start point
+     o dy (number) shift by y from the start point
+     o x (number) x position of the mouse
+     o y (number) y position of the mouse
+     o event (object) DOM event object
+     * End event and end handler are called in specified context or in context of the element with following parameters:
+     o event (object) DOM event object
+     = (object) @Element
+    \*/
+    elproto.drag = function (onmove, onstart, onend, move_scope, start_scope, end_scope) {
+        if (!arguments.length) {
+            var origTransform;
+            return this.drag(function (dx, dy) {
+                this.attr({
+                    transform: origTransform + (origTransform ? "T" : "t") + [dx, dy]
+                });
+            }, function () {
+                origTransform = this.transform().local;
+            });
+        }
+        function start(e, x, y) {
+            (e.originalEvent || e).preventDefault();
+            this._drag.x = x;
+            this._drag.y = y;
+            this._drag.id = e.identifier;
+            !drag.length && Snap.mousemove(dragMove).mouseup(dragUp);
+            drag.push({el: this, move_scope: move_scope, start_scope: start_scope, end_scope: end_scope});
+            onstart && eve.on("snap.drag.start." + this.id, onstart);
+            onmove && eve.on("snap.drag.move." + this.id, onmove);
+            onend && eve.on("snap.drag.end." + this.id, onend);
+            eve("snap.drag.start." + this.id, start_scope || move_scope || this, x, y, e);
+        }
+        this._drag = {};
+        draggable.push({el: this, start: start});
+        this.mousedown(start);
+        return this;
+    };
+    /*
+     * Element.onDragOver
+     [ method ]
+     **
+     * Shortcut to assign event handler for `drag.over.<id>` event, where `id` is the element's `id` (see @Element.id)
+     - f (function) handler for event, first argument would be the element you are dragging over
+    \*/
+    // elproto.onDragOver = function (f) {
+    //     f ? eve.on("snap.drag.over." + this.id, f) : eve.unbind("snap.drag.over." + this.id);
+    // };
+    /*\
+     * Element.undrag
+     [ method ]
+     **
+     * Removes all drag event handlers from the given element
+    \*/
+    elproto.undrag = function () {
+        var i = draggable.length;
+        while (i--) if (draggable[i].el == this) {
+            this.unmousedown(draggable[i].start);
+            draggable.splice(i, 1);
+            eve.unbind("snap.drag.*." + this.id);
+        }
+        !draggable.length && Snap.unmousemove(dragMove).unmouseup(dragUp);
+        return this;
+    };
+});
+// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+Snap.plugin(function (Snap, Element, Paper, glob) {
+    var elproto = Element.prototype,
+        pproto = Paper.prototype,
+        rgurl = /^\s*url\((.+)\)/,
+        Str = String,
+        $ = Snap._.$;
+    Snap.filter = {};
+// SIERRA Paper.filter(): I don't understand the note. Does that mean an HTML should dedicate a separate SVG region for a filter definition? What's the advantage over a DEFS?
+    /*\
+     * Paper.filter
+     [ method ]
+     **
+     * Creates a `<filter>` element
+     **
+     - filstr (string) SVG fragment of filter provided as a string
+     = (object) @Element
+     * Note: It is recommended to use filters embedded into the page inside an empty SVG element.
+     > Usage
+     | var f = paper.filter('<feGaussianBlur stdDeviation="2"/>'),
+     |     c = paper.circle(10, 10, 10).attr({
+     |         filter: f
+     |     });
+    \*/
+    pproto.filter = function (filstr) {
+        var paper = this;
+        if (paper.type != "svg") {
+            paper = paper.paper;
+        }
+        var f = Snap.parse(Str(filstr)),
+            id = Snap._.id(),
+            width = paper.node.offsetWidth,
+            height = paper.node.offsetHeight,
+            filter = $("filter");
+        $(filter, {
+            id: id,
+            filterUnits: "userSpaceOnUse"
+        });
+        filter.appendChild(f.node);
+        paper.defs.appendChild(filter);
+        return new Element(filter);
+    };
+    
+    eve.on("snap.util.getattr.filter", function () {
+        eve.stop();
+        var p = $(this.node, "filter");
+        if (p) {
+            var match = Str(p).match(rgurl);
+            return match && Snap.select(match[1]);
+        }
+    });
+    eve.on("snap.util.attr.filter", function (value) {
+        if (value instanceof Element && value.type == "filter") {
+            eve.stop();
+            var id = value.node.id;
+            if (!id) {
+                $(value.node, {id: value.id});
+                id = value.id;
+            }
+            $(this.node, {
+                filter: Snap.url(id)
+            });
+        }
+        if (!value || value == "none") {
+            eve.stop();
+            this.node.removeAttribute("filter");
+        }
+    });
+    /*\
+     * Snap.filter.blur
+     [ method ]
+     **
+     * Returns an SVG markup string for the blur filter
+     **
+     - x (number) amount of horizontal blur, in pixels
+     - y (number) #optional amount of vertical blur, in pixels
+     = (string) filter representation
+     > Usage
+     | var f = paper.filter(Snap.filter.blur(5, 10)),
+     |     c = paper.circle(10, 10, 10).attr({
+     |         filter: f
+     |     });
+    \*/
+    Snap.filter.blur = function (x, y) {
+        if (x == null) {
+            x = 2;
+        }
+        var def = y == null ? x : [x, y];
+        return Snap.format('\<feGaussianBlur stdDeviation="{def}"/>', {
+            def: def
+        });
+    };
+    Snap.filter.blur.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.shadow
+     [ method ]
+     **
+     * Returns an SVG markup string for the shadow filter
+     **
+     - dx (number) #optional horizontal shift of the shadow, in pixels
+     - dy (number) #optional vertical shift of the shadow, in pixels
+     - blur (number) #optional amount of blur
+     - color (string) #optional color of the shadow
+     - opacity (number) #optional `0..1` opacity of the shadow
+     * or
+     - dx (number) #optional horizontal shift of the shadow, in pixels
+     - dy (number) #optional vertical shift of the shadow, in pixels
+     - color (string) #optional color of the shadow
+     - opacity (number) #optional `0..1` opacity of the shadow
+     * which makes blur default to `4`. Or
+     - dx (number) #optional horizontal shift of the shadow, in pixels
+     - dy (number) #optional vertical shift of the shadow, in pixels
+     - opacity (number) #optional `0..1` opacity of the shadow
+     = (string) filter representation
+     > Usage
+     | var f = paper.filter(Snap.filter.shadow(0, 2, 3)),
+     |     c = paper.circle(10, 10, 10).attr({
+     |         filter: f
+     |     });
+    \*/
+    Snap.filter.shadow = function (dx, dy, blur, color, opacity) {
+        if (typeof blur == "string") {
+            color = blur;
+            opacity = color;
+            blur = 4;
+        }
+        if (typeof color != "string") {
+            opacity = color;
+            color = "#000";
+        }
+        color = color || "#000";
+        if (blur == null) {
+            blur = 4;
+        }
+        if (opacity == null) {
+            opacity = 1;
+        }
+        if (dx == null) {
+            dx = 0;
+            dy = 2;
+        }
+        if (dy == null) {
+            dy = dx;
+        }
+        color = Snap.color(color);
+        return Snap.format('<feGaussianBlur in="SourceAlpha" stdDeviation="{blur}"/><feOffset dx="{dx}" dy="{dy}" result="offsetblur"/><feFlood flood-color="{color}"/><feComposite in2="offsetblur" operator="in"/><feComponentTransfer><feFuncA type="linear" slope="{opacity}"/></feComponentTransfer><feMerge><feMergeNode/><feMergeNode in="SourceGraphic"/></feMerge>', {
+            color: color,
+            dx: dx,
+            dy: dy,
+            blur: blur,
+            opacity: opacity
+        });
+    };
+    Snap.filter.shadow.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.grayscale
+     [ method ]
+     **
+     * Returns an SVG markup string for the grayscale filter
+     **
+     - amount (number) amount of filter (`0..1`)
+     = (string) filter representation
+    \*/
+    Snap.filter.grayscale = function (amount) {
+        if (amount == null) {
+            amount = 1;
+        }
+        return Snap.format('<feColorMatrix type="matrix" values="{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {b} {h} 0 0 0 0 0 1 0"/>', {
+            a: 0.2126 + 0.7874 * (1 - amount),
+            b: 0.7152 - 0.7152 * (1 - amount),
+            c: 0.0722 - 0.0722 * (1 - amount),
+            d: 0.2126 - 0.2126 * (1 - amount),
+            e: 0.7152 + 0.2848 * (1 - amount),
+            f: 0.0722 - 0.0722 * (1 - amount),
+            g: 0.2126 - 0.2126 * (1 - amount),
+            h: 0.0722 + 0.9278 * (1 - amount)
+        });
+    };
+    Snap.filter.grayscale.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.sepia
+     [ method ]
+     **
+     * Returns an SVG markup string for the sepia filter
+     **
+     - amount (number) amount of filter (`0..1`)
+     = (string) filter representation
+    \*/
+    Snap.filter.sepia = function (amount) {
+        if (amount == null) {
+            amount = 1;
+        }
+        return Snap.format('<feColorMatrix type="matrix" values="{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {h} {i} 0 0 0 0 0 1 0"/>', {
+            a: 0.393 + 0.607 * (1 - amount),
+            b: 0.769 - 0.769 * (1 - amount),
+            c: 0.189 - 0.189 * (1 - amount),
+            d: 0.349 - 0.349 * (1 - amount),
+            e: 0.686 + 0.314 * (1 - amount),
+            f: 0.168 - 0.168 * (1 - amount),
+            g: 0.272 - 0.272 * (1 - amount),
+            h: 0.534 - 0.534 * (1 - amount),
+            i: 0.131 + 0.869 * (1 - amount)
+        });
+    };
+    Snap.filter.sepia.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.saturate
+     [ method ]
+     **
+     * Returns an SVG markup string for the saturate filter
+     **
+     - amount (number) amount of filter (`0..1`)
+     = (string) filter representation
+    \*/
+    Snap.filter.saturate = function (amount) {
+        if (amount == null) {
+            amount = 1;
+        }
+        return Snap.format('<feColorMatrix type="saturate" values="{amount}"/>', {
+            amount: 1 - amount
+        });
+    };
+    Snap.filter.saturate.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.hueRotate
+     [ method ]
+     **
+     * Returns an SVG markup string for the hue-rotate filter
+     **
+     - angle (number) angle of rotation
+     = (string) filter representation
+    \*/
+    Snap.filter.hueRotate = function (angle) {
+        angle = angle || 0;
+        return Snap.format('<feColorMatrix type="hueRotate" values="{angle}"/>', {
+            angle: angle
+        });
+    };
+    Snap.filter.hueRotate.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.invert
+     [ method ]
+     **
+     * Returns an SVG markup string for the invert filter
+     **
+     - amount (number) amount of filter (`0..1`)
+     = (string) filter representation
+    \*/
+    Snap.filter.invert = function (amount) {
+        if (amount == null) {
+            amount = 1;
+        }
+        return Snap.format('<feComponentTransfer><feFuncR type="table" tableValues="{amount} {amount2}"/><feFuncG type="table" tableValues="{amount} {amount2}"/><feFuncB type="table" tableValues="{amount} {amount2}"/></feComponentTransfer>', {
+            amount: amount,
+            amount2: 1 - amount
+        });
+    };
+    Snap.filter.invert.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.brightness
+     [ method ]
+     **
+     * Returns an SVG markup string for the brightness filter
+     **
+     - amount (number) amount of filter (`0..1`)
+     = (string) filter representation
+    \*/
+    Snap.filter.brightness = function (amount) {
+        if (amount == null) {
+            amount = 1;
+        }
+        return Snap.format('<feComponentTransfer><feFuncR type="linear" slope="{amount}"/><feFuncG type="linear" slope="{amount}"/><feFuncB type="linear" slope="{amount}"/></feComponentTransfer>', {
+            amount: amount
+        });
+    };
+    Snap.filter.brightness.toString = function () {
+        return this();
+    };
+    /*\
+     * Snap.filter.contrast
+     [ method ]
+     **
+     * Returns an SVG markup string for the contrast filter
+     **
+     - amount (number) amount of filter (`0..1`)
+     = (string) filter representation
+    \*/
+    Snap.filter.contrast = function (amount) {
+        if (amount == null) {
+            amount = 1;
+        }
+        return Snap.format('<feComponentTransfer><feFuncR type="linear" slope="{amount}" intercept="{amount2}"/><feFuncG type="linear" slope="{amount}" intercept="{amount2}"/><feFuncB type="linear" slope="{amount}" intercept="{amount2}"/></feComponentTransfer>', {
+            amount: amount,
+            amount2: .5 - amount / 2
+        });
+    };
+    Snap.filter.contrast.toString = function () {
+        return this();
+    };
+});
+return Snap;
+}));
\ No newline at end of file
diff --git a/js/vendor/util.js b/js/vendor/util.js
new file mode 100644
index 0000000..0aabd29
--- /dev/null
+++ b/js/vendor/util.js
@@ -0,0 +1,177 @@
+window.addEventListener('message', function(e) {
+  console.log(e.data)
+  if (e.data == "click") {
+    document.body.click()
+  }
+  if (e.data == "ready") {
+    app.ready()
+  }
+})
+
+function rand(n){ return (Math.random()*n) }
+function randint(n){ return rand(n)|0 }
+function randrange(a,b){ return a + rand(b-a) }
+function choice(a){ return a[randint(a.length)] }
+function clamp(n,a,b){ return n<a?a:n<b?n:b }
+function lerp(n,a,b){ return (b-a)*n+a }
+function avg(m,n,a){ return (m*(a-1)+n)/a }
+function mod(n,m){ return n-(m * Math.floor(n/m)) }
+function quantize(a,b){ return Math.round(a/b)*b }
+function dist(x0,y0,x1,y1){
+  var dx = x1-x0
+  var dy = y1-y0
+  return Math.sqrt(dx*dx + dy*dy)
+}
+function angle(x0,y0,x1,y1){ return Math.atan2(y1-y0,x1-x0) }
+function pluck(h,a){
+  var hh = {}
+  if (typeof a == "string") a = a.split(" ");
+  a.forEach(function(s){ hh[s] = h[s] })
+  return hh
+}
+
+function defaults (dest, src) {
+	dest = dest || {}
+	for (var i in src) {
+		dest[i] = typeof dest[i] == 'undefined' ? src[i] : dest[i]
+	}
+	return dest
+}
+
+function getFirstTouch(fn){
+  return function(e){
+    e.preventDefault()
+    var touch = e.touches[0]
+    fn(touch)
+  }
+}
+
+function offsetFromPoint(event, element) {
+  function a(width) {
+    var l = 0, r = 200;
+    while (r - l > 0.0001) {
+      var mid = (r + l) / 2;
+      var a = document.createElement('div');
+      a.style.cssText = 'position: absolute;left:0;top:0;background: red;z-index: 1000;';
+      a.style[width ? 'width' : 'height'] = mid.toFixed(3) + '%';
+      a.style[width ? 'height' : 'width'] = '100%';
+      element.appendChild(a);
+      var x = document.elementFromPoint(event.clientX, event.clientY);
+      element.removeChild(a);
+      if (x === a) {
+        r = mid;
+      } else {
+        if (r === 200) {
+          return null;
+        }
+        l = mid;
+      }
+    }
+    return mid;
+  }
+  var l = a(1), 
+      t = a(0);
+  return l && t ? {
+    left: l / 100,
+    top: t / 100,
+    toString: function () {
+      return 'left: ' + l + '%, top: ' + t + '%';
+    }
+  } : null;
+}
+
+// Check if supports 3D transforms
+function has3d(){
+	var el = $('<p>')[0], $iframe = $('<iframe>'), has3d, t,
+		transforms = {
+			'webkitTransform': '-webkit-transform',
+			'OTransform': '-o-transform',
+			'msTransform': '-ms-transform',
+			'transform': 'transform'
+		};
+ 
+	// Add it to the body to get the computed style
+	// Sandbox it inside an iframe to avoid Android Browser quirks
+	$iframe.appendTo('body').contents().find('body').append( el );
+ 
+	for (t in transforms) {
+		if (el.style[t] !== undefined) {
+			el.style[t] = 'translate3d(1px,1px,1px)';
+			has3d = window.getComputedStyle(el).getPropertyValue(transforms[t]);
+		}
+	}
+ 
+	$iframe.remove();
+ 
+	return has3d !== undefined && has3d.length > 0 && has3d !== "none";
+}
+
+// Identify browser based on useragent string
+;(function( ua ) {
+  ua = ua.toLowerCase();
+  var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
+    /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
+    /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
+    /(msie) ([\w.]+)/.exec( ua ) ||
+    ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
+    [];
+  var matched = {
+    browser: match[ 1 ] || "",
+    version: match[ 2 ] || "0"
+  };
+  browser = {};
+  if ( matched.browser ) {
+      browser[ matched.browser ] = true;
+      browser.version = matched.version;
+  }
+  // Chrome is Webkit, but Webkit is also Safari.
+  if ( browser.chrome ) {
+    browser.webkit = true;
+  } else if ( browser.webkit ) {
+    browser.safari = true;
+  }
+  if (window.$) $.browser = browser;
+  return browser;
+})( navigator.userAgent );
+
+// Naive useragent detection pattern
+var is_iphone = (navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i))
+var is_ipad = (navigator.userAgent.match(/iPad/i))
+var is_android = (navigator.userAgent.match(/Android/i))
+var is_mobile = is_iphone || is_ipad || is_android
+var is_desktop = ! is_mobile;
+var app_devicePixelRatio = 1;
+var transformProp = browser.safari ? "WebkitTransform" : "transform";
+
+if (is_mobile) {
+	$("html").addClass("mobile")
+}
+else {
+  $("html").addClass("desktop")
+}
+
+// rAF shim
+;(function() {
+    var lastTime = 0;
+    var vendors = ['ms', 'moz', 'webkit', 'o'];
+    for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+        window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
+        window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] 
+                                   || window[vendors[x]+'CancelRequestAnimationFrame'];
+    }
+ 
+    if (!window.requestAnimationFrame)
+        window.requestAnimationFrame = function(callback, element) {
+            var currTime = new Date().getTime();
+            var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+            var id = window.setTimeout(function() { callback(currTime + timeToCall); }, 
+              timeToCall);
+            lastTime = currTime + timeToCall;
+            return id;
+        };
+ 
+    if (!window.cancelAnimationFrame)
+        window.cancelAnimationFrame = function(id) {
+            clearTimeout(id);
+        };
+}());
diff --git a/js/vendor/wheel.js b/js/vendor/wheel.js
new file mode 100644
index 0000000..4155a70
--- /dev/null
+++ b/js/vendor/wheel.js
@@ -0,0 +1,71 @@
+/*
+	usage:
+	
+		base.wheel = new wheel({
+			el: document.querySelector("#map"),
+			update: function(e, delta){
+				// do something with delta
+			},
+		})
+
+*/
+
+function wheel (opt) {
+	opt = defaults(opt, {
+		el: document,
+		update: function(e, delta){},
+		propagate: false,
+		locked: false,
+		reversible: true,
+		ratio: 0.02,
+		val: 0,
+	})
+
+	opt.el.addEventListener('wheel', onMouseWheel, false);
+  // opt.el.addEventListener('mousewheel', onMouseWheel, false);
+	opt.el.addEventListener('DOMMouseScroll', onMouseWheel, false);
+
+	function onMouseWheel (e) {
+		if (opt.locked) {
+			return
+		}
+
+		if (! opt.propagate) {
+			e.stopPropagation()
+			e.preventDefault()
+		}
+		
+		var deltaX = 0, deltaY = 0;
+		
+		// WebKit
+		if ( event.deltaY ) {
+			deltaY -= event.deltaY * opt.ratio
+			deltaX -= event.deltaX * opt.ratio
+		}
+		else if ( event.wheelDeltaY ) {
+			deltaY -= event.wheelDeltaY * opt.ratio
+			deltaX -= event.wheelDeltaX * opt.ratio
+		}
+		// Opera / Explorer 9
+		else if ( event.wheelDelta ) {
+			deltaY -= event.wheelDelta * opt.ratio
+		}
+		// Firefox
+		else if ( event.detail ) {
+			deltaY += event.detail * 2
+		}
+		if (! opt.reversible && (deltaY < 0 && deltaX < 0)) return;
+		
+		// opt.val = clamp(opt.val + delta, opt.min, opt.max)
+		
+		// deltaX is also passed, but these values tend to be unusable
+		// try http://vvalls.com/assets/test/wheel.html with a trackpad
+		opt.update(e, deltaY, deltaX)
+	}
+
+	opt.lock = function(){ opt.locked = true }
+	opt.unlock = function(){ opt.locked = false }
+
+	return opt
+}
+