<snapdata remixID="9289533"><project name="1920 U8V2p1 Recursion Factorial Demo (starter file)" app="Snap! 5.4, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="true" codify="false" inheritance="false" sublistIDs="false" scheduled="false" 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AoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQIHLFxAWmhEwHPAAAAAElFTkSuQmCC</pentrails><costumes><list struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><sprite name="Sprite" idx="1" x="1.8165417909362986" y="-1.7624208918309705" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="80,80,80,1" pen="tip" id="8"><costumes><list struct="atomic" id="9"></list></costumes><sounds><list struct="atomic" id="10"></list></sounds><blocks></blocks><variables></variables><scripts><comment x="20" y="20" w="593" collapsed="false">Updated Firstname Lastname on 02/23/2020&#xD;1920 U8V2p1 Recursion Factorial Demo (starter file)&#xD;Week 11: Recursion II Video: Recursion II  Recursion: Factorial</comment><script x="20" y="98"><block s="doSetVar"><l>trace</l><block s="reportNewList"><list></list></block><comment w="297" collapsed="true">Housekeeping</comment></block><block s="doDeleteFromList"><l><option>all</option></l><block var="trace"/></block><block s="bubble"><custom-block s="%s !"><l>4</l></custom-block></block></script><script x="18" y="276"><custom-block s="n %s ! extended"><l>4</l><comment w="403" collapsed="true">Complete Video Lab page 2 - Recursion: Factorial Demo</comment></custom-block></script><script x="19" y="209"><custom-block s="%s !"><l>3</l><comment w="404" collapsed="true">Complete Video Lab page 1 - Recursion Factorial: Recursion: Demonstrating n!</comment></custom-block></script></scripts></sprite><watcher var="trace" style="normal" x="2.9832899305556566" y="2.983289930555557" color="243,118,29" extX="80" extY="70"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="label %&apos;text&apos; of size %&apos;size&apos;" type="command" category="pen"><comment x="0" y="0" w="90" collapsed="false">LABEL will stamp text on the stage at the given font size. The direction of the text is the direction the sprite is facing, and color will match the pen color.</comment><header></header><code></code><translations></translations><inputs><input type="%txt">Hello!</input><input type="%n">12</input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>text</l><l>size</l></list><l>var stage = this.parentThatIsA(StageMorph),&#xD;    context = stage.penTrails().getContext(&apos;2d&apos;),&#xD;    rotation = radians(this.direction() - 90),&#xD;    trans = new Point(&#xD;      this.center().x - stage.left(),&#xD;      this.center().y - stage.top()&#xD;    ),&#xD;    isWarped = this.Warped,&#xD;    len,&#xD;    pos;&#xD;&#xD;if (isWarped) {endWarp(); }&#xD;context.save();&#xD;context.font = size + &apos;px monospace&apos;;&#xD;context.textAlign = &apos;left&apos;;&#xD;context.textBaseline = &apos;alphabetic&apos;;&#xD;context.fillStyle = this.color.toString();&#xD;len = context.measureText(text).width;&#xD;trans = trans.multiplyBy(1 / stage.scale);&#xD;context.translate(trans.x, trans.y);&#xD;context.rotate(rotation);&#xD;context.fillText(text, 0, 0);&#xD;context.translate(-trans.x, -trans.y);&#xD;context.restore();&#xD;pos = new Point(&#xD;  len * Math.sin(radians(this.direction())),&#xD;  len * Math.cos(radians(this.direction())));&#xD;pos = pos.add(new Point(this.xPosition(), this.yPosition()));&#xD;this.gotoXY(pos.x, pos.y, false);&#xD;this.changed();&#xD;if (isWarped) {this.startWarp(); }&#xD;stage.changed();</l></block><list><block var="text"/><block var="size"/></list></block></script></block-definition><block-definition s="map %&apos;function&apos; over %&apos;lists&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%mult%l"></input></inputs><script><block s="doWarp"><script><block s="doDeclareVariables"><list><l>mapone</l><l>mapmany</l></list></block><block s="doSetVar"><l>mapone</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? 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