jquery-turtle.min.js

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Gecko/.test(a)&&!c,e={0:"null",1:"mouse1",2:"mouse2",3:"break",4:"mouse3",5:"mouse4",6:"mouse5",8:"backspace",9:"tab",12:"clear",13:"enter",16:"shift",17:"control",18:"alt",19:"pause",20:"capslock",21:"hangulmode",23:"junjamode",24:"finalmode",25:"kanjimode",27:"escape",28:"convert",29:"nonconvert",30:"accept",31:"modechange",27:"escape",32:"space",33:"pageup",34:"pagedown",35:"end",36:"home",37:"left",38:"up",39:"right",40:"down",41:"select",42:"print",43:"execute",44:"snapshot",45:"insert",46:"delete",47:"help",91:"meta",92:"meta",93:b?"meta":"menu",95:"sleep",106:"numpad*",107:"numpad+",108:"numpadenter",109:"numpad-",110:"numpad.",111:"numpad/",144:"numlock",145:"scrolllock",160:"shiftleft",161:"shiftright",162:"controlleft",163:"controlright",164:"altleft",165:"altright",166:"browserback",167:"browserforward",168:"browserrefresh",169:"browserstop",170:"browsersearch",171:"browserfavorites",172:"browserhome",173:b&&d?"-":"volumemute",174:"volumedown",175:"volumeup",176:"mediatracknext",177:"mediatrackprev",178:"mediastop",179:"mediaplaypause",180:"launchmail",181:"launchmediaplayer",182:"launchapp1",183:"launchapp2",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'",223:"meta",224:"meta",226:"altgraph",229:"process",231:c?"`":"unicode",246:"attention",247:"crsel",248:"exsel",249:"eraseeof",250:"play",251:"zoom",252:"noname",253:"pa1",254:"clear"},f=48;91>f;++f)e[f]=String.fromCharCode(f).toLowerCase();for(f=96;106>f;++f)e[f]="numpad"+(f-96);for(f=112;136>f;++f)e[f]="f"+(f-111);return e}(),_e=function(){function a(a,c){return function(d){var e,f=d.which;a?e="mouse"+f:(!f&&d.whichSynth&&(f=d.whichSynth),e=$e[f],f>=160&&165>=f&&b(e.replace(/(?:left|right)$/,""),c)),b(e,c)}}function b(a,b){null!=a&&(b?h[a]=!0:delete h[a])}function c(){for(var a in h)delete h[a]}function d(a){c();for(var b in g)a?Ie.addEventListener(b,g[b],!0):Ie.removeEventListener(b,g[b])}function e(){var a,b=[];for(a in h)h[a]&&b.push(a);return b}function f(a){return Nb(),a?(a=a.replace(/\s/g,"").toLowerCase(),h[a]?!0:!1):e()}var g={mousedown:a(1,1),mouseup:a(1,0),keydown:a(0,1),keyup:a(0,0),blur:c},h={};return f.enable=d,f.list=e,f}(),af=null,bf={C:0,D:2,E:4,F:5,G:7,A:9,B:11,c:12,d:14,e:16,f:17,g:19,a:21,b:23},cf={"^":1,"":0,"=":0,_:-1},df=["C","^C","D","_E","E","F","^F","G","_A","A","_B","B","c","^c","d","_e","e","f","^f","g","_a","a","_b","b"],ef=function(){function a(a){this._atop=ac(),this._timbre=b(a,this._atop),this._queue=[],this._minQueueTime=1/0,this._maxScheduledTime=0,this._unsortedQueue=!1,this._startSet=[],this._finishSet={},this._cleanupSet=[],this._callbackSet=[],this._handlers={},this._now=null,_b()&&this.silence()}function b(a,b){a||(a={}),"string"==typeof a&&(a={wave:a});var c,d={},f=b&&b.wavetable&&b.wavetable[a.wave];for(c in e)a.hasOwnProperty(c)?d[c]=a[c]:f&&f.defs&&f.defs.hasOwnProperty(c)?d[c]=f.defs[c]:d[c]=e[c];return d}function c(){for(var a=ac().ac,b=2*a.sampleRate,c=a.createBuffer(1,b,a.sampleRate),d=c.getChannelData(0),e=0;b>e;e++)d[e]=2*Math.random()-1;return c}function d(a,b,d){if("noise"==b){var e=a.ac.createBufferSource();return e.buffer=c(),e.loop=!0,e}var f,g,h,i,j=a.wavetable,k=a.ac.createOscillator();try{if(j.hasOwnProperty(b)){if(g=j[b].wave,j[b].freq){h=0;for(f in j[b].freq)i=Number(f),d>i&&i>h&&(h=i,g=j[b].freq[h])}!k.setPeriodicWave&&k.setWaveTable?k.setWaveTable(g):k.setPeriodicWave(g)}else k.type=b}catch(l){window.console&&window.console.log(l),k.type="square"}return k.frequency.value=d,k}a.timeOffset=.0625,a.dequeueTime=.5,a.bufferSecs=2,a.toneLength=1,a.cleanupDelay=.1,a.prototype.setTimbre=function(a){this._timbre=b(a,this._atop)},a.prototype.getTimbre=function(a){return b(this._timbre,this._atop)},a.prototype.setVolume=function(a){this._out&&(isNaN(a)||(this._out.gain.value=a))},a.prototype.getVolume=function(a){return this._out?this._out.gain.value:0},a.prototype.silence=function(){var a,b,c,d=1;this._queue.length=0,this._minQueueTime=1/0,this._maxScheduledTime=0,this._startSet.length=0,b=this._finishSet,this._finishSet={},c=this._callbackSet,this._callbackSet=[],this._out&&(this._out.disconnect(),d=this._out.gain.value),this._atop=ac(),this._out=this._atop.ac.createGain(),this._out.gain.value=d,this._out.connect(this._atop.out);for(a in b)this._trigger("noteoff",b[a]);for(a=0;a<c.length;++a)c[a].callback()},a.prototype.now=function(){return null!=this._now?this._now:(this._startPollTimer(!0),this._now)},a.prototype.on=function(a,b){this._handlers.hasOwnProperty(a)||(this._handlers[a]=[]),this._handlers[a].push(b)},a.prototype.off=function(a,b){if(this._handlers.hasOwnProperty(a))if(b){var c,d=this._handlers[a];for(c=0;c<d.length;++c)d[c]===b&&(d.splice(c,1),c-=1)}else this._handlers[a]=[]},a.prototype._trigger=function(a,b){var c,d=this._handlers[a];if(d){if(1==d.length)return void d[0](b);for(d=d.slice(),c=0;c<d.length;++c)d[c](b)}},a.prototype._makeSound=function(b){var c,e,f,g,h=b.timbre||this._timbre,i=b.time+a.timeOffset,j=i+b.duration,k=Math.min(j,i+h.attack),l=h.decay*Math.pow(440/b.frequency,h.decayfollow),m=k,n=j+h.release,o=h.detune&&1!=h.detune,p=h.gain*b.velocity*(o?.5:1),q=this._atop.ac;if(b.duration>0&&b.velocity>0){for(c=q.createGain(),c.gain.setValueAtTime(0,i),c.gain.linearRampToValueAtTime(p,k);k+1/32>m&&j>m+1/256;)m+=1/256,c.gain.linearRampToValueAtTime(p*(h.sustain+(1-h.sustain)*Math.exp((k-m)/l)),m);c.gain.setTargetAtTime(p*h.sustain,m,l),c.gain.setValueAtTime(p*(h.sustain+(1-h.sustain)*Math.exp((k-j)/l)),j),c.gain.linearRampToValueAtTime(0,n),c.connect(this._out),!h.cutoff&&!h.cutfollow||h.cutoff==1/0?e=c:(e=q.createBiquadFilter(),e.frequency.value=h.cutoff+b.frequency*h.cutfollow,e.Q.value=h.resonance,e.connect(c)),f=d(this._atop,h.wave,b.frequency),f.connect(e),f.start(i),f.stop(n),o&&(g=d(this._atop,h.wave,b.frequency*h.detune),g.connect(e),g.start(i),g.stop(n)),b.gainNode=c,b.oscillators=[f],o&&b.oscillators.push(g),b.cleanuptime=n}else b.duration=0;this._startSet.push(b)},a.prototype._truncateSound=function(b,c){if(c<b.time+b.duration&&(b.duration=Math.max(0,c-b.time),b.gainNode)){var d,e=b.timbre||this._timbre,f=b.time+a.timeOffset,g=c+a.timeOffset,h=Math.min(g,f+e.attack),i=e.decay*Math.pow(440/b.frequency,e.decayfollow),j=g+e.release,k=j+a.cleanupDelay,l=e.detune&&1!=e.detune,m=e.gain*b.velocity*(l?.5:1),n=b.gainNode;if(n.gain.cancelScheduledValues(g),f>=g?n.gain.setValueAtTime(0,g):h>=g?n.gain.linearRampToValueAtTime(m*(g-f)/(h-f),g):n.gain.setValueAtTime(m*(e.sustain+(1-e.sustain)*Math.exp((h-g)/i)),g),n.gain.linearRampToValueAtTime(0,j),b.oscillators)for(d=0;d<b.oscillators.length;++d)b.oscillators[d].stop(j);b.cleanuptime=k}},a.prototype._doPoll=function(){if(this._pollTimer=null,this._now=null,Le)return void this.silence();var b,c,d,e,f,g,h,i,j=this._atop.ac.currentTime+5e-4,k=[];if(this._minQueueTime-j<=a.bufferSecs){for(this._unsortedQueue&&(this._queue.sort(function(a,b){return a.time!=b.time?a.time-b.time:a.duration!=b.duration?a.duration-b.duration:a.frequency-b.frequency}),this._unsortedQueue=!1),b=0;b<this._queue.length&&!(this._queue[b].time-j>a.bufferSecs);++b);if(b>0){for(c=this._queue.splice(0,b),b=0;b<c.length;++b)this._makeSound(c[b]);this._minQueueTime=this._queue.length>0?this._queue[0].time:1/0}}for(b=0;b<this._cleanupSet.length;++b)f=this._cleanupSet[b],f.cleanuptime<j&&(f.gainNode&&(f.gainNode.disconnect(),f.gainNode=null),this._cleanupSet.splice(b,1),b-=1);for(e in this._finishSet)f=this._finishSet[e],d=f.time+f.duration,j>=d&&(k.push({order:[d,0],f:this._trigger,t:this,a:["noteoff",f]}),f.cleanuptime!=1/0&&this._cleanupSet.push(f),delete this._finishSet[e]);for(b=0;b<this._callbackSet.length;++b)i=this._callbackSet[b],d=i.time,j>=d&&(k.push({order:[d,1],f:i.callback,t:null,a:[]}),this._callbackSet.splice(b,1),b-=1);for(b=0;b<this._startSet.length;++b)this._startSet[b].time<=j&&(h=f=this._startSet[b],e=f.frequency,g=null,this._finishSet.hasOwnProperty(e)&&(g=this._finishSet[e],g.time<f.time||g.time==f.time&&g.duration<f.duration?(this._truncateSound(g,f.time),k.push({order:[f.time,0],f:this._trigger,t:this,a:["noteoff",g]}),delete this._finishSet[e]):(this._truncateSound(f,g.time),g=f)),this._startSet.splice(b,1),b-=1,f.duration>0&&f.velocity>0&&g!==f&&(this._finishSet[e]=f,k.push({order:[f.time,2],f:this._trigger,t:this,a:["noteon",f]})));for(this._startPollTimer(),k.sort(function(a,b){return a.order[0]!=b.order[0]?a.order[0]-b.order[0]:a.order[1]-b.order[1]}),b=0;b<k.length;++b)i=k[b],i.f.apply(i.t,i.a)},a.prototype._startPollTimer=function(b){if(!this._pollTimer||null==this._now){var c,d,e=this,f=function(){e._doPoll()},g=1/0;if(this._pollTimer&&(clearTimeout(this._pollTimer),
this._pollTimer=null),b)return this._now=cc(),void(this._pollTimer=setTimeout(f,0));for(c=0;c<this._startSet.length;++c)g=Math.min(g,this._startSet[c].time);for(c in this._finishSet)g=Math.min(g,this._finishSet[c].time+this._finishSet[c].duration);for(c=0;c<this._callbackSet.length;++c)g=Math.min(g,this._callbackSet[c].time);this._cleanupSet.length>0&&(g=Math.min(g,this._cleanupSet[0].cleanuptime+1)),g=Math.min(g,this._minQueueTime-a.dequeueTime),d=Math.max(.001,g-this._atop.ac.currentTime),isNaN(d)||d==1/0||(this._pollTimer=setTimeout(f,Math.round(1e3*d)))}},a.prototype.tone=function(b,c,d,f,g,h){if(this._atop){"object"==typeof b&&(null==d&&(d=b.velocity),null==c&&(c=b.duration),null==f&&(f=b.delay),null==g&&(g=b.timbre),null==h&&(h=b.origin),b=b.pitch);var i,j;if(b||(b="C"),isNaN(b)?(i=fc(b),j=dc(i)):(j=Number(b),0>j?(i=-j,j=dc(i)):i=ec(j)),g||(g=this._timbre),g!==this._timbre){var k,l=g;g={};for(k in e)k in l?g[k]=l[k]:g[k]=e[k]}var m=(this._atop.ac,this.now()),n=m+(f||0),o={time:n,on:!1,frequency:j,midi:i,velocity:null==d?1:d,duration:null==c?a.toneLength:c,timbre:g,instrument:this,gainNode:null,oscillators:null,cleanuptime:1/0,origin:h};n<m+a.bufferSecs?this._makeSound(o):(!this._unsortedQueue&&this._queue.length&&n<this._queue[this._queue.length-1].time&&(this._unsortedQueue=!0),this._queue.push(o),this._minQueueTime=Math.min(this._minQueueTime,o.time))}},a.prototype.schedule=function(a,b){this._callbackSet.push({time:this.now()+a,callback:b})},a.prototype.play=function(a){var c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s=Array.prototype.slice.call(arguments),t=null,u={},v=0,w=[];if(s.length&&"function"==typeof s[s.length-1]&&(t=s.pop()),!this._atop)return void(t&&t());if(e=0,"object"==typeof s[0]){for(g in s[0])s[0].hasOwnProperty(g)&&(u[g]=s[0][g]);e=1,u.song&&s.push(u.song)}for(;e<s.length;++e)for(c=s[e].split(/\n(?=X:)/),g=0;g<c.length;++g)d=ic(c[g]),d&&(!u.tempo&&d.tempo&&(u.tempo=d.tempo,d.unitbeat&&(u.tempo*=d.unitbeat/(d.unitnote||1))),d.voice&&w.push(d));for(u.tempo||(u.tempo=120),null==u.volume&&(u.volume=1),p=60/u.tempo,g=0;g<w.length;++g){d=w[g];for(l in d.voice)if(f=b(u.timbre||d.voice[l].timbre||d.timbre||this._timbre,this._atop),j=d.voice[l].stems){for(h=0,k=0;k<j.length;++k){for(n=j[k],i=1/Math.sqrt(n.notes.length),m=0;m<n.notes.length;++m)o=n.notes[m],o.holdover||(q=(o.time||n.time)*p,n.staccato?q=Math.min(Math.min(q,p/16),f.attack+f.decay):!o.slurred&&q>=1/8&&(q-=1/32),r=(o.velocity||1)*i*u.volume,this.tone(o.pitch,q,r,h,f,o));h+=n.time*p}v=Math.max(h,v)}}this._maxScheduledTime=Math.max(this._maxScheduledTime,this.now()+v),t&&this.schedule(v,t)};var e=a.defaultTimbre={wave:"square",gain:.1,attack:.002,decay:.4,decayfollow:0,sustain:0,release:.1,cutoff:0,cutfollow:0,resonance:0,detune:0};return a.pitchToMidi=function(a){return"string"==typeof a?fc(a):a},a.midiToPitch=function(a){return"number"==typeof a?gc(a):a},a}(),ff=/^([A-Za-z]):\s*(.*)$/,gf=/(?:\[[A-Za-z]:[^\]]*\])|\s+|%[^\n]*|![^\s!:|\[\]]*!|\+[^+|!]*\+|[_<>@^]?"[^"]*"|\[|\]|>+|<+|(?:(?:\^+|_+|=|)[A-Ga-g](?:,+|'+|))|\(\d+(?::\d+){0,2}|\d*\/\d+|\d+\/?|\/+|[xzXZ]|\[?\|\]?|:?\|:?|::|./g;a.extend(!0,a,{cssHooks:{turtlePenStyle:Ra(),turtlePenDown:Sa(),turtleSpeed:nb(),turtleEasing:ob(),turtleForward:rb(),turtleTurningRadius:Qa(),turtlePosition:zb("turtlePosition","tx","ty",!0),turtlePositionX:sb("tx",parseFloat,"px",!0),turtlePositionY:sb("ty",parseFloat,"px",!0),turtleRotation:sb("rot",vb,"deg",!0),turtleScale:zb("turtleScale","sx","sy",!1),turtleScaleX:sb("sx",h,"",!1),turtleScaleY:sb("sy",h,"",!1),turtleTwist:sb("twi",xa,"deg",!1),turtleHull:oa(),turtleTimbre:Xb(),turtleVolume:Yb()},cssNumber:{turtleRotation:!0,turtleSpeed:!0,turtleScale:!0,turtleScaleX:!0,turtleScaleY:!0,turtleTwist:!0},support:{turtle:!0}}),a.extend(!0,a.fx,{step:{turtlePosition:yb("turtlePosition",!0),turtleRotation:wb("turtleRotation"),turtleScale:yb("turtleScale",!1),turtleTwist:wb("turtleTwist")},speeds:{turtle:0}}),oc.helptext=[];var hf={rt:uc("rt",1,["<u>rt(degrees)</u> Right turn. 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Moves in reverse by some pixels: <mark>bk 100</mark>"],Bc),slide:uc("slide",1,["<u>move(x, y)</u> Slides right x and forward y pixels without turning: <mark>slide 50, 100</mark>"],Cc),movexy:uc("movexy",1,["<u>movexy(x, y)</u> Changes graphing coordinates by x and y: <mark>movexy 50, 100</mark>"],Dc),moveto:uc("moveto",1,["<u>moveto(x, y)</u> Move to graphing coordinates (see <u>getxy</u>): <mark>moveto 50, 100</mark>","<u>moveto(obj)</u> Move to page coordinates or an object on the page (see <u>pagexy</u>): <mark>moveto lastmousemove</mark>"],Ec),jump:uc("jump",1,["<u>jump(x, y)</u> Move without drawing (compare to <u>slide</u>): <mark>jump 0, 50</mark>"],Fc(Cc)),jumpxy:uc("jumpxy",1,["<u>jumpxy(x, y)</u> Move without drawing (compare to <u>movexy</u>): <mark>jump 0, 50</mark>"],Fc(Dc)),jumpto:uc("jumpto",1,["<u>jumpto(x, y)</u> Move without drawing (compare to <u>moveto</u>): <mark>jumpto 50, 100</mark>"],Fc(Ec)),turnto:uc("turnto",1,["<u>turnto(degrees)</u> Turn to a direction. North is 0, East is 90: <mark>turnto 270</turnto>","<u>turnto(x, y)</u> Turn to graphing coordinates: <mark>turnto 50, 100</mark>","<u>turnto(obj)</u> Turn to page coordinates or an object on the page: <mark>turnto lastmousemove</mark>"],function(b,c,d){a.isNumeric(d)&&a.isNumeric(c)&&(c=[c,d],d=null);var e=Df;return this.plan(function(f,g){if(b.appear(f),a.isWindow(g)||9===g.nodeType)return void b.resolve(f);var h,i,j,k=null,l=null,m=null;if(a.isNumeric(c))i=wa(c),j=Y(g),l={pageX:j.pageX+1024*Math.sin(i),pageY:j.pageY-1024*Math.cos(i)},k=d;else if(a.isArray(c))m=W(g),m[0]-=c[0],m[1]-=c[1];else if(mb(c))l=c;else try{l=a(c).pagexy()}catch(n){return void b.resolve(f)}m||(m=W(g,l));var o=va(Math.atan2(-m[0],-m[1]));h=ra(g,!0),null!==k&&(i=wa(h.rot),o=C(h.rot,o,null===k?360:k)),o=h.rot+xa(o-h.rot);var p=this.css("turtleTurningRadius");this.css({turtleTurningRadius:0}),this.animate({turtleRotation:o},pb(g,e),qb(g)),this.plan(function(){this.css({turtleTurningRadius:p}),b.resolve(f)})}),this}),home:uc("home",0,["<u>home()</u> Goes home. Jumps to the center without drawing: <mark>do home</mark>"],function(b,c){return this.plan(function(d,e){b.appear(d);var f=this.css("turtlePenDown"),g=this.css("turtleTurningRadius"),h=c||V(e);this.css({turtlePenDown:"up",turtleTurningRadius:0}),this.css({turtlePosition:U(e,a(h).pagexy(),null,0,0),turtleRotation:0,turtleScale:1}),this.css({turtlePenDown:f,turtleTurningRadius:g}),b.resolve(d)}),this}),copy:uc("copy",0,["<u>copy()</u> makes a new turtle that is a copy of this turtle."],function(b){var c=this.clone().insertAfter(this);return c.hide(),this.plan(function(d,e){b.appear(d);var f=Oa(this),g=Oa(c);for(var h in f)g[h]=f[h];c.attr("style",this.attr("style"));for(var i in a.cssHooks){var j=this.css(i);c.css(i,j)}var k=this.prop("attributes");for(var l in k)c.attr(k[l].name,k[l].value);var m=c.canvas(),n=this.canvas();if(m&&n){m.width=n.width,m.height=n.height;var o=m.getContext("2d");o.drawImage(n,0,0)}c.show(),b.resolve(d)}),lc(c,this),c}),pen:uc("pen",1,["<u>pen(color, size)</u> Selects a pen. Chooses a color and/or size for the pen: <mark>pen red</mark>; <mark>pen 0</mark>; <mark>pen erase</mark>; <mark>pen blue, 5</mark>.","<u>pen(on-or-off)</u> Turns the pen on or off: <mark>pen off</mark>; <mark>pen on</mark>."],function(b,c,d){var e=Md(arguments,1,{lineCap:/^(?:butt|square|round)$/,lineJoin:/^(?:bevel|round|miter)$/,lineWidth:a.isNumeric,penStyle:"*"});c=e.penStyle,c&&"function"==typeof c&&(c.helpname||c.name)&&(c=c.helpname||c.name),0===e.lineWidth||null===c?c="none":c===He?c="black":a.isPlainObject(c)&&(c=La(c));var f=Df;return this.plan(function(a,d){b.appear(a);var g=!L(d)&&!pc(this),h=g&&Ka(this.css("turtlePenStyle")),i=h&&"down"==this.css("turtlePenDown"),j=!1;if(c===!1||c===!0||"down"==c||"up"==c?(this.css("turtlePenDown",c),j=!0):(e.lineWidth&&(c+=";lineWidth:"+e.lineWidth),e.lineCap&&(c+=";lineCap:"+e.lineCap),e.lineJoin&&(c+=";lineJoin:"+e.lineJoin),this.css("turtlePenStyle",c),this.css("turtlePenDown","none"==c?"up":"down")),g){var k=Ka(this.css("turtlePenStyle")),l=k&&(k.strokeStyle||k.savePath&&"gray")||h&&h.strokeStyle||"gray",m={},n=k&&"down"==this.css("turtlePenDown"),o=new We(l+" pencil",this.parent()),p=this.height();o.css({zIndex:1,turtlePosition:U(o.get(0),this.pagexy(),null,0,0),turtleRotation:this.css("turtleRotation"),turtleSpeed:1/0}),i?n||(m.turtleForward="+="+p,m.opacity=0):(o.css({turtleForward:"+="+p,opacity:0}),n&&(m.turtleForward="-="+p,m.opacity=1)),h&&!k&&"down"==i?(m.turtleForward="+="+p,m.opacity=0):h==k||h&&k&&h.strokeStyle==k.strokeStyle||(o.css({opacity:0}),m.opacity=1),o.animate(m,pb(d,f)),this.queue(function(a){o.done(function(){o.remove(),a()})})}this.plan(function(){b.resolve(a)})}),this}),fill:uc("fill",0,["<u>fill(color)</u> Fills a path traced using <u>pen path</u>: <mark>pen path; rt 100, 90; fill blue</mark>"],function(b,c){c?a.isPlainObject(c)&&(c=La(c)):c="none";var d=Ka(c,"fillStyle");return this.plan(function(a,c){b.appear(a),cb(c,d),b.resolve(a)}),this}),dot:uc("dot",0,["<u>dot(color, diameter)</u> Draws a dot. Color and diameter are optional: <mark>dot blue</mark>"],Lc(Mc)),box:uc("box",0,["<u>box(color, size)</u> Draws a box. Color and size are optional: <mark>dot blue</mark>"],Lc(Nc)),arrow:uc("arrow",0,["<u>arrow(color, size)</u> Draws an arrow. <mark>arrow red, 100</mark>"],Lc(Oc)),mirror:uc("mirror",1,["<u>mirror(flipped)</u> Mirrors the turtle across its main axis, or unmirrors if flipped if false. <mark>mirror(true)</mark>"],function(b,c){return this.plan(function(d,e){b.appear(d);var f=a.map(a.css(e,"turtleScale").split(" "),parseFloat);1===f.length&&f.push(f[0]),f[0]*f[1]<0==!c&&(f[0]=-f[0],this.css("turtleScale",f.join(" "))),b.resolve(d)}),this}),twist:uc("twist",1,["<u>twist(degrees)</u> Set the primary direction of the turtle. Allows use of images that face a different direction than 'up': <mark>twist(-90)</mark>"],function(b,c){return this.plan(function(d,e){b.appear(d),a.isWindow(e)||9===e.nodeType||(this.css("turtleTwist",c),b.resolve(d))}),this}),scale:uc("scale",1,["<u>scale(factor)</u> Scales all motion up or down by a factor. To double all drawing: <mark>scale(2)</mark>"],Hc),grow:uc("grow",1,["<u>grow(factor)</u> Changes the size of the element by a factor. To double the size: <mark>grow(2)</mark>"],Ic),pause:uc("pause",1,["<u>pause(seconds)</u> Pauses some seconds before proceeding. <mark>fd 100; pause 2.5; bk 100</mark>","<u>pause(turtle)</u> Waits for other turtles to be done before proceeding. <mark>t = new Turtle().fd 100; pause t; bk 100</mark>"],function(b,c){var d=null,e=null;return c&&a.isFunction(c.done)?(d=c,e=c.done):a.isFunction(c)&&(e=c),e?this.queue(function(){var b=this;e.call(d,function(){var c=b;b=null,c&&a.dequeue(c)})}):this.plan(function(a,d){b.appear(a),rc(d,c),this.plan(b.resolver(a))}),this}),st:uc("st",0,["<u>st()</u> Show turtle. The reverse of <u>ht()</u>. <mark>do st</mark>"],function(a){return this.plan(function(b){a.appear(b),this.show(),a.resolve(b)}),this}),ht:uc("ht",0,["<u>ht()</u> Hide turtle. The turtle can be shown again with <u>st()</u>. <mark>do ht</mark>"],function(a){return this.plan(function(b){a.appear(b),this.hide(),a.resolve(b)}),this}),pu:function(){return this.pen(!1,sc(arguments,0))},pd:function(){return this.pen(!0,sc(arguments,0))},pe:function(){return this.pen("erase",sc(arguments,0))},pf:function(){return this.pen("path",sc(arguments,0))},clip:uc("clip",1,["<u>Clips tranparent bits out of the image of the sprite, and sets the hit region."],function(b,c){return null==c&&(c=.125),this.plan(function(d,e){if(b.appear(d),"CANVAS"==e.tagName){var f=De(e,c),g=a(e),h=y(e);Fe(e,f),Ge(f,parseFloat(g.css("width"))/e.width,parseFloat(g.css("height"))/e.height,-h[0],-h[1]),g.css("turtleHull",f)}b.resolve(d)})}),say:uc("say",1,['<u>say(words)</u> Say something. Use English words.<mark>say "Let\'s go!"</mark>'],function(a,b){return this.plan(function(c,d){a.appear(c),this.queue(function(d){Sc(b,function(){a.resolve(c),d()})})}),this}),play:uc("play",1,['<u>play(notes)</u> Play notes. Notes are specified in <a href="http://abcnotation.com/" target="_blank">ABC notation</a>.  <mark>play "de[dBFA]2[cGEC]4"</mark>'],function(b,c){return this.plan(function(c,d){b.appear(c),this.queue(function(e){var f=Zb(d),g=a.makeArray(b.args),h=!0,i=function(){b.resolve(c),e()};g.length>0&&a.isPlainObject(g[0])&&g[0].hasOwnProperty("wait")&&(h=g[0].wait),h&&g.push(i),f.play.apply(f,g),h||i()})}),this}),tone:zc("tone",["<u>tone(freq)</u> Immediately sound a tone. <u>tone(freq, 0)</u> Stop sounding the tone. <u>tone(freq, v, secs)</u> Play a tone with a volume and duration. Frequency may be a number in Hz or a letter pitch. <mark>tone 440, 5</mark>"],function(a,b){var c=arguments;return this.each(function(a,b){var d=Zb(b);d.tone.apply(d,c)})}),silence:zc("silence",["<u>silence()</u> immediately silences sound from play() or tone()."],function(){return this.each(function(a,b){var c=Zb(b);c.silence()})}),speed:uc("speed",1,["<u>speed(persec)</u> Set one turtle's speed in moves per second: <mark>turtle.speed 60</mark>"],function(a,b){return this.plan(function(c,d){a.appear(c),this.css("turtleSpeed",b),this.plan(function(){a.resolve(c)})}),this}),wear:uc("wear",1,["<u>wear(color)</u> Sets the turtle shell color: <mark>wear turquoise</mark>","<u>wear(url)</u> Sets the turtle image url: <mark>wear 'http://bit.ly/1bgrQ0p'</mark>"],function(b,c,d){if(("object"==typeof c||"number"==typeof c)&&"string"==typeof d){var e=d;d=c,c=e}"number"==typeof d&&(d={height:d});var f=nd(c,"turtle"),g=Df;return f?(d&&a.extend(f.css,d),this.plan(function(a,c){b.appear(a),this.css({backgroundImage:"none"});var d=!1,e=null;hb(this,f,function(){d=!0;var a=e;a&&(e=null,a())}),pc(this)||this.delay(pb(c,g)),d||this.pause({done:function(a){d?a():e=a}}),this.plan(function(){b.resolve(a)})}),this):this}),saveimg:uc("saveimg",1,["<u>saveimg(filename)</u> Saves the turtle's image as a file. <mark>t.saveimg 'mypicture.png'</mark>"],function(a,b){return this.plan(function(c,d){a.appear(c);var e=!1;b||(b="img");var f=this.canvas();if(f){var g=f.toDataURL(),h=/^data:image\/(\w+);base64,(.*)$/i.exec(g);h?(h[1]&&b.toLowerCase().lastIndexOf("."+h[1].toLowerCase())!=Math.max(0,b.length-h[1].length-1)&&(b+="."+h[1]),e=!0,sf.save(b,atob(h[2]),function(){a.resolve(c)})):Sf.html('<span style="color:red">Cannot saveimg: canvas toDataURL did not work as expected.</span>')}else Sf.html('<span style="color:red">Cannot saveimg: not a canvas</span>');e||a.resolve(c)})}),drawon:uc("drawon",1,["<u>drawon(canvas)</u> Switches to drawing on the specified canvas. <mark>A = new Sprite('100x100'); drawon A; pen red; fd 50; done -> A.rt 360</mark>"],function(b,c){return this.each(function(){var a=Oa(this);a.drawOnCanvasSync&&lc(this,a.drawOnCanvasSync),a.drawOnCanvasSync=c}),lc(c,this),this.plan(function(d,e){b.appear(d);var f=Oa(e);c&&c!==Ie?c.jquery&&a.isFunction(c.canvas)?f.drawOnCanvas=c.canvas():c.tagName&&"CANVAS"==c.tagName?f.drawOnCanvas=c:(1==c.nodeType||9==c.nodeType)&&(f.drawOnCanvas=a(c).canvas()):f.drawOnCanvas=null,b.resolve(d)})}),label:uc("label",1,["<u>label(text)</u> Labels the current position with HTML: <mark>label 'remember'</mark>","<u>label(text, styles, labelsite)</u> Optional position specifies 'top', 'bottom', 'left', 'right', and optional styles is a size or CSS object: <mark>label 'big', { color: red, fontSize: 100 }, 'bottom'</mark>"],function(b,c,d,e){if((!e||"string"==typeof e)&&(a.isNumeric(d)||a.isPlainObject(d))){var f=e;e=d,d=f}a.isNumeric(e)&&(e={fontSize:e}),null==d&&(d=e&&"labelSide"in e?e.labelSide:e&&"label-side"in e?e["label-side"]:d="rotated scaled");var g=Df;return this.plan(function(f,h){b.appear(f);for(var i={},j=this.prop("style"),k=0;k<j.length;++k){var l=j[k];/^(?:width|height|opacity|background-image|background-size)$/.test(l)||/transform/.test(l)||(i[a.camelCase(l)]=j[l])}a.extend(i,{position:"absolute",display:"table",top:0,left:0},e);var m=Fd(c,"label").result.css(i).addClass("turtlelabel").appendTo(za());(m.hasClass("turtleinput")||m.find(".turtleinput").length)&&Qb.apply(m.get(0)),e&&"id"in e&&m.attr("id",e.id),e&&"class"in e&&m.addClass(e["class"]);var n=/\brotated\b/.test(d),o=/\bscaled\b/.test(d);m.css({turtlePosition:U(m.get(0),this.pagexy(),null,0,0),turtleRotation:n?this.css("turtleRotation"):0,turtleScale:o?this.css("turtleScale"):1});var p=m.get(0).getBoundingClientRect();/\b(?:top|bottom)\b/.test(d)&&(i.top=(/\btop\b/.test(d)?-1:1)*p.height/2),/\b(?:left|right)\b/.test(d)&&(i.left=(/\bleft\b/.test(d)?-1:1)*p.width/2),m.css(i),pc(this)||this.delay(pb(h,g)),this.plan(function(){b.resolve(f)})})}),reload:uc("reload",0,["<u>reload()</u> Does a reload, recycling content (cycling animated gifs)."],function(b){return this.plan(function(c,d){if(b.appear(c),a.isWindow(d)||9===d.nodeType)return Ie.location.reload(),void b.resolve(c);if(d.src){var e=d.src;d.src="",d.src=e}b.resolve(c)}),this}),hatch:function(b,c){if(this.length){c!==He||a.isNumeric(b)||(c=b,b=1);var d=this[0];if(a.isWindow(d)||9===d.nodeType?d=za():/^(?:br|img|input|hr|canvas)$/i.test(d.tagName)&&(d=d.parentElement),1===b)return pd("function"==typeof c?c(0):c,d,"turtle");for(var e=0,f=[];b>e;++e)f.push(pd("function"==typeof c?c(e):c,d,"turtle")[0]);return a(f)}},pagexy:vc("pagexy",["<u>pagexy()</u> Page coordinates {pageX:, pageY}, top-left based: <mark>c = pagexy(); fd 500; moveto c</mark>"],function(){if(this.length){var a=Y(this[0]);return{pageX:a.pageX,pageY:a.pageY}}}),getxy:vc("getxy",["<u>getxy()</u> Graphing coordinates [x, y], center-based: <mark>v = getxy(); move -v[0], -v[1]</mark>"],function(){return this.length?W(this[0]):void 0}),direction:vc("direction",["<u>direction()</u> Current turtle direction. North is 0; East is 90: <mark>direction()</mark>","<u>direction(obj)</u> <u>direction(x, y)</u> Returns the direction from the turtle towards an object or coordinate. Also see <u>turnto</u>: <mark>direction lastclick</mark>"],function(b,c){if(this.length){var d,e=this[0],f=b;if(f!==He){if(d=a(e).pagexy(),a.isNumeric(c)&&a.isNumeric(b)&&(f=[b,c]),a.isArray(f)&&(f=X(e,[f])[0]),!mb(f))try{f=a(f).pagexy()}catch(g){}return f?va(Math.atan2(f.pageX-d.pageX,d.pageY-f.pageY)):NaN}return a.isWindow(e)||9===e.nodeType?0:aa(e)}}),distance:vc("distance",["<u>distance(obj)</u> Returns the distance from the turtle to another object: <mark>distance lastclick</mark>","<u>distance(x, y)</u> Returns the distance from the turtle to graphing coorindates: <mark>distance(100, 0)</mark>"],function(b,c){if(this.length){var d,e,f=this[0],g=a(f).pagexy();if(a.isNumeric(c)&&a.isNumeric(b)&&(b=[b,c]),a.isArray(b)&&(b=X(f,[b])[0]),!mb(b))try{b=a(b).pagexy()}catch(h){}return b?(d=b.pageX-g.pageX,e=b.pageY-g.pageY,Math.sqrt(d*d+e*e)):NaN}}),canvas:zc("canvas",["<u>turtle.canvas()</u> The canvas for the turtle image. Draw on the turtle: <mark>c = turtle.canvas().getContext('2d'); c.fillStyle = red; c.fillRect(10, 10, 30, 30)</mark>"],function(){return this.filter("canvas").get(0)||this.find("canvas").get(0)}),imagedata:zc("imagedata",["<u>imagedata()</u> Returns the image data for the turtle. <mark>imdat = imagedata(); write imdat.data.length, 'bytes'</mark>","<u>imagedata(imdat)</u> Sets the image data for the turtle. <mark>imagedata({width: 1, height:1, data:[255,0,0,255]});</mark>"],function(b){var c=this.canvas();if(!c){if(b)throw new Error("can only set imagedata on a canvas like a Sprite");var d=this.filter("img").get(0);if(!d)return;c=Ga(d.naturalWidth,d.naturalHeight),c.getContext("2d").drawImage(d,0,0)}var e=c.getContext("2d");if(!b)return e.getImageData(0,0,c.width,c.height);if(!(b instanceof ImageData)){if("object"!=typeof b||!a.isNumeric(b.width)||!a.isNumeric(b.height)||!(a.isArray(b.data)||b.data instanceof Uint8ClampedArray||b.data instanceof Uint8Array))return;for(var f=e.createImageData(Math.round(b.width),Math.round(b.height)),g=Math.min(b.data.length,f.data.length),h=0;g>h;++h)f.data[h]=b.data[h];b=f}if(b.width!=c.width||b.height!=c.height){var i=y(c);c.width=b.width,c.height=b.height;var j=y(c);Lb(c,i,j),a(c).css("turtleHull","auto"),e=c.getContext("2d")}e.putImageData(b,0,0)}),cell:zc("cell",["<u>cell(r, c)</u> Row r and column c in a table. Use together with the table function: <mark>g = table 8, 8; g.cell(0,2).text 'hello'</mark>"],function(b,c){var d=this.find(a.isNumeric(b)?"tr:nth-of-type("+(b+1)+")":"tr");return d.find(a.isNumeric(c)?"td:nth-of-type("+(c+1)+")":"td")}),shown:vc("shown",["<u>shown()</u> True if turtle is shown, false if hidden: <mark>do ht; write shown()</mark>"],function(){var a=this.get(0);return a&&!L(a)}),hidden:vc("hidden",["<u>hidden()</u> True if turtle is hidden: <mark>do ht; write hidden()</mark>"],function(){var a=this.get(0);return!a||L(a)}),inside:vc("inside",["<u>inside(obj)</u> True if the turtle is encircled by obj: <mark>inside(window)</mark>"],function(b){if(!b)return!1;if("string"==typeof b&&(b=a(b)),b.jquery){if(!b.length||L(b[0]))return!1;b=b[0]}for(var c,d=N(b),e=null,f=!1,g=!0,h=0;g&&h<this.length;++h){if(c=this[h],Q(d,N(c)))return!1;e||(e=_(b),f=S(e,d)),f&&R(d,N(c))||(g&=mb(c)?ea(c,e):ka(e,_(c)))}return!!g}),touches:vc("touches",["<u>touches(obj)</u> True if the turtle touches obj: <mark>touches(lastclick)</mark>","<u>touches(color)</u> True if the turtle touches a drawn color: <mark>touches red</mark>"],function(b,c){if(!this.length||L(this[0]))return!1;if("function"==typeof b&&cd(b.helpname)&&(b=b.helpname),"color"==b||cd(b))return gb(this[0],"color"==b?null:b);if(a.isNumeric(b)&&a.isNumeric(c)&&(b=[b,c]),a.isArray(b)&&2==b.length&&a.isNumeric(b[0])&&a.isNumeric(b[1])&&(b=X(this[0]||document.body,[b])[0]),!b)return!1;"string"==typeof b&&(b=a(b)),b.jquery||a.isArray(b)||(b=[b]);for(var d,e,f,g,h,i,j=!1,k=0;!j&&k<this.length;++k)if(f=this[k],g=N(f),0!=g.width)for(h=null,d=0;!j&&d<b.length;++d)e=b[d],i=N(e),Q(g,i)||(0!=i.width||null!=e.pageX&&null!=e.pageY)&&(h||(h=_(f)),j|=mb(e)?ea(e,h):ja(h,_(e)));return!!j}),within:vc("within",["<u>within(distance, obj)</u> Filters elements to those within distance of obj: <mark>$('.turtle').within(100, lastclick)</mark>"],function(a,b,c){return Mb(this,!0,a,b,c)}),notwithin:vc("notwithin",["<u>within(distance, obj)</u> Filters elements to those further than distance of obj: <mark>$('.turtle').notwithin(100, lastclick)</mark>"],function(a,b,c){return Mb(this,!1,a,b,c)}),nearest:vc("nearest",["<u>nearest(obj)</u> Filters elements to those nearest obj<mark>$('.turtle').neareest(lastclick)</mark>"],function(b,c){var d,e,f,g=[],h=1/0;if(d=a.isNumeric(d)&&a.isNumeric(c)?[b,c]:b,a.isArray(d)&&(d=X(this[0]||document.body,[d])[0]),!mb(d))try{d=a(d).pagexy()}catch(i){d=null}for(f=0;f<this.length;f++)if(e=N(this[f]),!g.length||!O(d,h,e)){var j=Y(this[f]),k=d.pageX-j.pageX,l=d.pageY-j.pageY,m=k*k+l*l;h>=m&&(h>m&&(h=m,g.length=0),g.push(this[f]))}return a(g)}),done:zc("done",["<u>done(fn)</u> Calls fn when animation is complete. Use with await: <mark>await done defer()</mark>"],function(a){var b=this;return this.promise().done(function(){if(b){var c=b;Me+=1,setTimeout(function(){Me-=1,c.promise().done(a)},0)}else a.apply(this,arguments)})}),plan:zc("plan",["<u>plan(fn)</u> Runs fn in the animation queue. For planning logic: <mark>write getxy(); fd 50; plan -> write getxy(); bk 50"],function(c,d,e){function f(f,g,h){var i=e?function(){d.apply(a(f),e)}:function(){d.call(a(f),g,f)},j=(h.length&&h[h.length-1],function(){var d=a.queue(this,c),e=[];"inprogress"===d[0]&&e.unshift(d.shift()),a.queue(f,c,e),i(),Array.prototype.push.apply(a.queue(f,c),d),b(f,c)});j.finish=i,a.queue(f,c,j)}a.isFunction(c)&&(e=d,d=c,c="fx");for(var g,h=this.length,i=0;h>i;++i){g=this[i],Uc(g,c);var j=a.queue(g,c);j.length?f(g,i,j):e?d.apply(a(g),e):d.call(a(g),i,g)}return this})},jf={},kf=0,lf=null,mf=null;Xc(hf,"move","slide"),Xc(hf,"direct","plan"),Xc(hf,"enclosedby","inside"),Xc(hf,"bearing","direction"),a.fn.extend(hf);var nf="data:image/gif;base64,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",of={click:1,dblclick:1,mouseup:1,mousedown:1,mousemove:1},pf=null,qf=[],rf=!1,sf={interrupt:zc("interrupt",["<u>interrupt()</u> Interrupts and aborts all turtle commands."],function(b){if("reset"==b)return void(Le=!1);if("test"==b)return Le?!1:Cf?!0:a.timers.length?!0:Af.length?!0:Me?!0:Yc()?!0:a(":animated").length?!0:a(".turtle").filter(function(){return a.queue(this).length>0}).length>0?!0:a(".turtleinput").filter(function(){return!a(this).prop("disabled")}).length>0?!0:yc()?!0:!1;a(":animated,.turtle").clearQueue().stop(),bc(),a(".turtleinput").prop("disabled",!0),a(Ie).off(".turtleevent"),a("*").not("#_testpanel *").map(function(b,c){a._data(c,"events",null)}),Le=!0,ud(null,null),sd();for(var c=a.timers.length-1;c>=0;--c)a.timers[c].anim&&a.timers[c].anim.elem&&a(a.timers[c].anim.elem).stop(!0,!0);var d=b?"'"+b+"'":"";throw new Error("interrupt("+d+") called")}),cs:wc("cs",["<u>cs()</u> Clear screen. Erases both graphics canvas and body text: <mark>do cs</mark>"],function(){db()}),cg:wc("cg",["<u>cg()</u> Clear graphics. Does not alter body text: <mark>do cg</mark>"],function(){db("canvas labels")}),ct:wc("ct",["<u>ct()</u> Clear text. Does not alter graphics canvas: <mark>do ct</mark>"],function(){db("text")}),canvas:zc("canvas",["<u>canvas()</u> Returns the raw turtle canvas. <mark>c = canvas().getContext('2d'); c.fillStyle = red; c.fillRect(100,100,200,200)</mark>"],function(){return Fa()}),sizexy:zc("sizexy",["<u>sizexy()</u> Get the document pixel [width, height]. <mark>[w, h] = sizexy(); canvas('2d').fillRect(0, 0, w, h)</mark>"],Ia),forever:zc("forever",["<u>forever(fn)</u> Calls fn repeatedly, forever. <mark>forever -> fd 2; rt 2</mark>","<u>forever(fps, fn)</u> Calls fn repeating fps per second. <mark>forever 2, -> fd 25; dot blue</mark>"],rd),stop:zc("stop",["<u>stop()</u> stops the current forever loop. <mark>forever -> fd 10; if not inside window then stop()</mark>","<u>stop(fn)</u> stops the forever loop corresponding to fn.","Use <u>break</u> to stop a <u>for</u> or <u>while</u> loop."],td),tick:zc("tick",["<u>tick(fps, fn)</u> Calls fn fps times per second until <u>tick</u> is called again: <mark>c = 10; tick 1, -> c and write(c--) or tick()</mark>"],function(b,c){if(Yc()){var d=a(pf);d.plan(function(){ud(b,c)})}else ud(b,c)}),speed:wc("speed",["<u>speed(mps)</u> Sets default turtle speed in moves per second: <mark>speed Infinity</mark>"],function(a){vd(a)}),say:zc("say",['<u>say(words)</u> Say something. Use English words.<mark>say "Let\'s go!"</mark>'],function(b){if(pf){var c=a(pf);c.say.call(c,b)}else{var d=tc(null,"say",arguments,0);d.appear(null),Sc(b,function(){d.resolve(null)}),d.exit()}}),play:zc("play",['<u>play(notes)</u> Play notes. Notes are specified in <a href="http://abcnotation.com/" target="_blank">ABC notation</a>.  <mark>play "de[dBFA]2[cGEC]4"</mark>'],function(){if(pf){var b=a(pf);b.play.apply(b,arguments)}else{var c=tc(null,"play",arguments,0);c.appear(null);var d=$b(),e=a.makeArray(c.args);e.push(function(){c.resolve(null)}),d.play.apply(d,e),c.exit()}}),tone:zc("tone",["<u>tone(freq)</u> Immediately sound a tone. <u>tone(freq, 0)</u> Stop sounding the tone. <u>tone(freq, v, secs)</u> Play a tone with a volume and duration. Frequency may be a number in Hz or a letter pitch. <mark>tone 440, 5</mark>"],function(){if(pf){var b=a(pf);b.tone.apply(b,arguments)}else{var c=$b();c.play.apply(c)}}),silence:zc("silence",["<u>silence()</u> Immediately silences sound from play() or tone()."],function(){if(pf){var b=a(pf);b.silence()}else{var c=$b();c.silence()}}),sync:zc("sync",["<u>sync(t1, t2, t3,...)</u> Selected turtles wait for each other to stop."],lc),remove:zc("remove",["<u>remove(t)</u> Remove selected turtles."],mc),done:zc("done",["<u>done(fn)</u> Calls fn when animation is complete. Use with await: <mark>await done defer()</mark>"],function(b){var c=a(".turtle");return c.promise().done(function(){if(c){var a=c;Me+=1,setTimeout(function(){Me-=1,a.promise().done(b)},0)}else b.apply(this,arguments)})}),load:zc("load",["<u>load(url, cb)</u> Loads data from the url and passes it to cb. <mark>load 'intro', (t) -> write 'intro contains', t</mark>"],function(b,c){var d;return a.ajax(Eb(b,"load"),{async:!!c,complete:function(e){try{if(d=e.responseObject=JSON.parse(e.responseText),"string"==typeof d.data&&"string"==typeof d.file){if(d=d.data,/\.json(?:$|\?|\#)/.test(b))try{d=JSON.parse(d)}catch(f){}}else a.isArray(d.list)&&"string"==typeof d.directory?d=d.list:d.error&&(d=null)}catch(f){null==d&&e&&e.responseText&&(d=e.responseText)}c&&c(d,e)}}),d}),save:zc("save",["<u>save(url, data, cb)</u> Posts data to the url and calls when done. <mark>save 'intro', 'pen gold, 20\\nfd 100\\n'</mark>"],function(b,c,d){if(!b)throw new Error("Missing url for save");var e,f={};if(b=Eb(b,"save"),/\.json(?:$|\?|\#)/.test(b)&&(c=JSON.stringify(c,null,2)),"string"==typeof c||"number"==typeof c)f.data=c;else for(e in c)c.hasOwnProperty(e)&&("string"==typeof c[e]?f[e]=c[e]:f[e]=JSON.stringify(c[e]));if(f&&!f.key){var g=Gb();g&&g.key&&g.user==Db(b)&&(f.key=g.key)}a.ajax(Eb(b,"save"),{type:"POST",data:f,complete:function(a){var b;try{b=JSON.parse(a.responseText)}catch(c){null==b&&a&&a.responseText&&(b=a.responseText)}d&&d(b,a)}})}),append:wc("append",["<u>append(html)</u> Appends text to the document without a new line. <mark>append 'try this twice...'</mark>"],function(b){a.fn.append.apply(a("body"),arguments)}),type:wc("type",["<u>type(text)</u> Types preformatted text like a typewriter. <mark>type 'Hello!\n'</mark>"],Cd),typebox:wc("typebox",["<u>typebox(clr)</u> Draws a colored box as typewriter output. <mark>typebox red</mark>"],function(a,b){null!=b||null==a||cd(a)||(b=a,a=null),Dd(a,b)}),typeline:wc("typebox",["<u>typeline()</u> Same as type '\\n'. <mark>typeline()</mark>"],function(a){Cd((a||"")+"\n")}),write:wc("write",["<u>write(html)</u> Writes a line of text. Arbitrary HTML may be written: <mark>write 'Hello, world!'</mark>"],Ed,function(){return Fd(Array.prototype.join.call(arguments," "),"div")}),read:wc("read",["<u>read(fn)</u> Reads text or numeric input. Calls fn once: <mark>read (x) -> write x</mark>","<u>read(html, fn)</u> Prompts for input: <mark>read 'Your name?', (v) -> write 'Hello ' + v</mark>"],Ed,function(a,b){return Id(a,b,0)}),readnum:wc("readnum",["<u>readnum(html, fn)</u> Reads numeric input. Only numbers allowed: <mark>readnum 'Amount?', (v) -> write 'Tip: ' + (0.15 * v)</mark>"],Ed,function(a,b){return Id(a,b,"number")}),readstr:wc("readstr",["<u>readstr(html, fn)</u> Reads text input. Never converts input to a number: <mark>readstr 'Enter code', (v) -> write v.length + ' long'</mark>"],Ed,function(a,b){return Id(a,b,"text")}),listen:wc("listen",["<u>listen(html, fn)</u> Reads voice input, if the browser supports it:<mark>listen 'Say something', (v) -> write v</mark>"],Ed,function(a,b){
return Id(a,b,"voice")}),menu:wc("menu",["<u>menu(map)</u> shows a menu of choices and calls a function based on the user's choice: <mark>menu {A: (-> write 'chose A'), B: (-> write 'chose B')}</mark>"],Ed,Gd),button:wc("button",["<u>button(text, fn)</u> Writes a button. Calls fn whenever the button is clicked: <mark>button 'GO', -> fd 100</mark>"],Ed,Hd),table:wc("table",["<u>table(m, n)</u> Writes m rows and c columns. Access cells using <u>cell</u>: <mark>g = table 8, 8; g.cell(2,3).text 'hello'</mark>","<u>table(array)</u> Writes tabular data. Each nested array is a row: <mark>table [[1,2,3],[4,5,6]]</mark>"],Ed,Kd),img:wc("img",["<u>img(url)</u> Writes an image with the given address. Any URL can be provided.  A name without slashes will be treated as '/img/name'.<mark>t = img 'tree'</mark>"],Ed,Jd),random:zc("random",["<u>random(n)</u> Random non-negative integer less than n: <mark>write random 10</mark>","<u>random(list)</u> Random member of the list: <mark>write random ['a', 'b', 'c']</mark>","<u>random('position')</u> Random page position: <mark>moveto random 'position'</mark>","<u>random('color')</u> Random color: <mark>pen random 'color'</mark>"],qd),rgb:zc("rgb",["<u>rgb(r,g,b)</u> Makes a color out of red, green, and blue parts. <mark>pen rgb(150,88,255)</mark>"],function(a,b,c){return Ld("rgb",[Math.max(0,Math.min(255,Math.floor(a))),Math.max(0,Math.min(255,Math.floor(b))),Math.max(0,Math.min(255,Math.floor(c)))])}),hatch:function(b,c){return a(document).hatch(b,c)},rgba:zc("rgba",["<u>rgba(r,g,b,a)</u> Makes a color out of red, green, blue, and alpha. <mark>pen rgba(150,88,255,0.5)</mark>"],function(a,b,c,d){return Ld("rgba",[Math.max(0,Math.min(255,Math.floor(a))),Math.max(0,Math.min(255,Math.floor(b))),Math.max(0,Math.min(255,Math.floor(c))),d])}),hsl:zc("hsl",["<u>hsl(h,s,l)</u> Makes a color out of hue, saturation, and lightness. <mark>pen hsl(120,0.65,0.75)</mark>"],function(a,b,c){return Ld("hsl",[a,(100*b).toFixed(0)+"%",(100*c).toFixed()+"%"])}),hsla:zc("hsla",["<u>hsla(h,s,l,a)</u> Makes a color out of hue, saturation, lightness, alpha. <mark>pen hsla(120,0.65,0.75,0.5)</mark>"],function(a,b,c,d){return Ld("hsla",[a,(100*b).toFixed(0)+"%",(100*c).toFixed(0)+"%",d])}),click:xc("click",["<u>click(fn)</u> Calls fn(event) whenever the mouse is clicked. <mark>click (e) -> moveto e; label 'clicked'</mark>"]),dblclick:xc("dblclick",["<u>dblclick(fn)</u> Calls fn(event) whenever the mouse is double-clicked. <mark>dblclick (e) -> moveto e; label 'double'</mark>"]),mouseup:xc("mouseup",["<u>mouseup(fn)</u> Calls fn(event) whenever the mouse is released. <mark>mouseup (e) -> moveto e; label 'up'</mark>"]),mousedown:xc("mousedown",["<u>mousedown(fn)</u> Calls fn(event) whenever the mouse is pressed. <mark>mousedown (e) -> moveto e; label 'down'</mark>"]),mousemove:xc("mousemove",["<u>mousemove(fn)</u> Calls fn(event) whenever the mouse is moved. <mark>mousemove (e) -> write 'at ', e.x, ',', e.y</mark>"]),keydown:xc("keydown",["<u>keydown(fn)</u> Calls fn(event) whenever a key is pushed down. <mark>keydown (e) -> write 'down ' + e.key</mark>"]),keyup:xc("keyup",["<u>keyup(fn)</u> Calls fn(event) whenever a key is released. <mark>keyup (e) -> write 'up ' + e.key</mark>"]),keypress:xc("keypress",["<u>keypress(fn)</u> Calls fn(event) whenever a character key is pressed. <mark>keypress (e) -> write 'press ' + e.key</mark>"]),send:zc("send",["<u>send(name)</u> Sends a message to be received by recv. <mark>send 'go'; 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