<snapdata remixID="9299132"><project name="U5L3P2 Disease Simulation" 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="true" id="1"><pentrails>data:image/png;base64,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</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="Person" idx="1" x="0" y="0" heading="62" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="8"><costumes><list id="9"><item><costume name="sick" center-x="6" center-y="6.5" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAANCAYAAACdKY9CAAAA5UlEQVQoU43SLU4DURTF8f8hdGYDVWgcAjCQGoqbGYGBLRDAsoGSdgGtJYQlAAbR4hgMwfCRgEOj2EAnhEOmnUJCJvCePPf+7svLu6LmmK1mGYvL999lzQJH6TawB2wCcZWPgWvgRMXoYjoEcJR1wN26234yHakY9uRGsoZ093dzVbXX5UbaRxyGAQZynORYG0FAvpGj9BlYCgLwUoJ7YDUQPMhRdgbeCQM6Lx+9jzgOAuag+of0EVj+Bz2pGK1MQZwsgk4x7VokcvCuxlev36sxgfNZmzm3MAsTKN741K0+hvls0BcfakFgIyEeJQAAAABJRU5ErkJggg==" id="10"/></item><item><costume name="healthy" center-x="8" center-y="6.75" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAOCAYAAAAfSC3RAAAA+0lEQVQ4T5WSO07DQBCGv1nLshViHmUoKDkDhIYjcA6Q4CqARK5BjkCTwBWgpICSxwbiKLIHLUvYxOYRTznzf/9oHkI1Wm+HlOUxytZnSbjHmHPeV3rzUlngEvuEsF4z8wbPjLONWS2AiS0RFo2qDoIyzoz3cZHaB6DzY6d68pE82/Rg8qrI382+eVWYrIoQj06J9GTJbl5WyJmQ2ltguxEId0JiLxEOGoFKX0C7pKNBIzBv730tZ4lTzJwVZZIZD7pvKYqLfzfrNhpFR+6Lwg3il2uM7PwKO6jUG6Zru+EBwpHcvFdAXJl5St7eBxnWX662He36VBDPSz4AyThFTl9tqmEAAAAASUVORK5CYII=" id="11"/></item></list></costumes><sounds><list struct="atomic" id="12"></list></sounds><blocks></blocks><variables></variables><scripts><script x="20" y="10"><block s="receiveGo"></block><block s="doSetVar"><l>timeElapsed</l><l>0</l></block><block s="doSetVar"><l>infectedCounter</l><l>0</l></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="doAsk"><l>How many people in the population? Enter 1-200.</l></block><block s="doSetVar"><l>populations</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>What percentage of the population is infected initially? Enter 1-100.</l></block><block s="doSetVar"><l>InitialINFECTED</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>What is the speed of the people? Enter 1-10.</l></block><block s="doSetVar"><l>speed</l><block s="getLastAnswer"></block></block><block s="show"></block><block s="doRepeat"><block var="populations"/><script><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block><custom-block s="activateTimer"></custom-block></script><script x="23" y="364.99999999999943"><block s="receiveOnClone"></block><custom-block s="cloneInitialize"></custom-block><block s="doForever"><script><block s="doIf"><block s="reportGreaterThan"><block var="timeElapsed"/><l>0</l></block><script><block s="bounceOffEdge"></block><block s="forward"><block var="speed"/></block><block s="doIf"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume name</option></l><block s="reportGet"><l><option>self</option></l></block></block><l>healthy</l></block><script><block s="doIf"><custom-block s="Collide"></custom-block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>infectedCounter</l><l>1</l></block></script></block></script></block></script></block></script></block></script><script x="18" y="658.9999999999999"><custom-block s="average time for disease spread with population size %n"><l>200</l></custom-block></script></scripts></sprite><watcher var="speed" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher scope="Stage" s="getTimer" style="normal" x="113" y="5.000005999999985" color="4,148,220" hidden="true"/><watcher var="infectedCounter" style="normal" x="4" y="6.000001999999995" color="243,118,29" hidden="true"/><watcher var="timeElapsed" style="normal" x="14.888888888888914" y="34.777783777777756" color="243,118,29"/></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? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="evaluate"><block var="mapone"/><list><block s="reportCDR"><block var="data"/></block></list></block></block></block></script><list><l>data</l></list></block></block><block s="doSetVar"><l>mapmany</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportListItem"><l>1</l><block var="data lists"/></block></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportListItem"><l>1</l><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></block><block s="evaluate"><block var="mapmany"/><list><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportCDR"><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></list></block></block></block></script><list><l>data lists</l></list></block></block><block s="doIfElse"><custom-block s="empty? %l"><block s="reportCDR"><block var="lists"/></block></custom-block><script><block s="doReport"><block s="evaluate"><block var="mapone"/><list><block s="reportListItem"><l>1</l><block var="lists"/></block></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="mapmany"/><list><block var="lists"/></list></block></block></script></block></script></block></script></block-definition><block-definition s="empty? %&apos;data&apos;" type="predicate" category="lists"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportEquals"><block var="data"/><block s="reportNewList"><list></list></block></block></block></script></block-definition><block-definition s="keep items such that %&apos;pred&apos; from %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%predRing"></input><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doIfElse"><block s="evaluate"><block var="pred"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><script><block s="doReport"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script><script><block s="doReport"><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></script></block></script></block></script></block-definition><block-definition s="combine with %&apos;function&apos; items of %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="data"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="data"/></block></block></script></block><block s="doReport"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="combine with %repRing items of %l"><block var="function"/><block s="reportCDR"><block var="data"/></block></custom-block></list></block></block></script></block></script></block-definition><block-definition s="if %&apos;test&apos; then %&apos;true&apos; else %&apos;false&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%b"></input><input type="%anyUE"></input><input type="%anyUE"></input></inputs><script><block s="doIfElse"><block var="test"/><script><block s="doReport"><block s="evaluate"><block var="true"/><list></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="false"/><list></list></block></block></script></block></script></block-definition><block-definition s="for %&apos;i&apos; = %&apos;start&apos; to %&apos;end&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%n">1</input><input type="%n">10</input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>step</l><l>tester</l></list></block><block s="doIfElse"><block s="reportGreaterThan"><block var="start"/><block var="end"/></block><script><block s="doSetVar"><l>step</l><l>-1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportLessThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script><script><block s="doSetVar"><l>step</l><l>1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportGreaterThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script></block><block s="doSetVar"><l>i</l><block var="start"/></block><block s="doUntil"><block s="evaluate"><block var="tester"/><list></list></block><script><block s="doRun"><block var="action"/><list></list></block><block s="doChangeVar"><l>i</l><block var="step"/></block></script></block></script></block-definition><block-definition s="join words %&apos;words&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="words"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="words"/></block></block></script></block><block s="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>1</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></block></script></block><block s="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>2</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="words"/></block><block s="reportCDR"><block s="reportCDR"><block var="words"/></block></block></block></custom-block></block></script></block><block s="doReport"><block s="reportJoinWords"><list><block s="reportListItem"><l>1</l><block var="words"/></block><l> </l><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></list></block></block></script></block></script><scripts><script x="229.000003" y="196.77778077777774"><block s="reportJoinWords"><list><l></l><l></l></list></block></script></scripts></block-definition><block-definition s="list $arrowRight sentence %&apos;data&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doReport"><custom-block s="join words %mult%txt"><block var="data"/></custom-block></block></script></block></script></block-definition><block-definition s="sentence $arrowRight list %&apos;text&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%txt"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportTextSplit"><block var="text"/><l><option>whitespace</option></l></block></block></script></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%cs"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doRun"><block var="action"/><list></list></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;cont&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input></inputs><script><block s="doRun"><block var="cont"/><list></list></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;value&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%anyUE"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doReport"><block s="evaluate"><block var="value"/><list></list></block></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;tag&apos; %&apos;value&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input><input type="%s"></input></inputs><script><block s="doRun"><block var="tag"/><list><block var="value"/></list></block></script></block-definition><block-definition s="for each %&apos;item&apos; of %&apos;data&apos; %&apos;action&apos;" type="command" category="lists"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%l"></input><input type="%cs"></input></inputs><script><block s="doUntil"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doSetVar"><l>item</l><block s="reportListItem"><l>1</l><block var="data"/></block></block><block s="doRun"><block var="action"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="doSetVar"><l>data</l><block s="reportCDR"><block var="data"/></block></block></script></block></script></block-definition><block-definition s="if %&apos;test&apos; do %&apos;action&apos; and pause all $pause-1-255-220-0" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%boolUE"></input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>breakpoint</l></list></block><block s="doIf"><block s="evaluate"><block var="test"/><list></list></block><script><block s="doSetVar"><l>breakpoint</l><block var="test"/></block><block s="doShowVar"><l>breakpoint</l></block><block s="doRun"><block var="action"/><list></list></block><block s="doPauseAll"></block><block s="doHideVar"><l></l></block></script></block></script></block-definition><block-definition s="word $arrowRight list %&apos;word&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%txt"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportTextSplit"><block var="word"/><l><option>letter</option></l></block></block></script></block></script></block-definition><block-definition s="ignore %&apos;x&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs></block-definition><block-definition s="tell %&apos;sprite&apos; to %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%cs"></input></inputs><script><block s="doRun"><block s="reportAttributeOf"><block var="action"/><block var="sprite"/></block><list></list></block></script></block-definition><block-definition s="ask %&apos;sprite&apos; for %&apos;expression&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%repRing"></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportAttributeOf"><block var="expression"/><block var="sprite"/></block><list></list></block></block></script></block-definition><block-definition s="list $arrowRight word %&apos;list&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportJoinWords"><block var="list"/></block></block></script></block></script></block-definition><block-definition s="activateTimer" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doResetTimer"></block><block s="doUntil"><block s="reportEquals"><block var="infectedCounter"/><block var="populations"/></block><script><block s="doSetVar"><l>timeElapsed</l><block s="getTimer"></block></block></script></block><block s="doStopThis"><l><option>all but this script</option></l></block></script></block-definition><block-definition s="initialize" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs></block-definition><block-definition s="cloneInitialize" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSwitchToCostume"><l>healthy</l></block><block s="doIf"><block s="reportLessThan"><block var="infectedCounter"/><block s="reportProduct"><block var="populations"/><block s="reportQuotient"><block var="InitialINFECTED"/><l>100</l></block></block></block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>infectedCounter</l><l>1</l></block></script></block><block s="setHeading"><block s="reportRandom"><l>1</l><l>360</l></block></block><block s="gotoXY"><block s="reportRandom"><l>-240</l><l>240</l></block><block s="reportRandom"><l>-180</l><l>180</l></block></block></script></block-definition><block-definition s="Collide" type="predicate" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="for each %upvar of %l %cs"><l>item</l><block s="reportGet"><l><option>neighbors</option></l></block><script><block s="doIf"><block s="reportAnd"><block s="reportTouchingObject"><block var="item"/></block><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume name</option></l><block var="item"/></block><l>sick</l></block></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block></script></custom-block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="average time for disease spread with population size %&apos;population size&apos;" type="reporter" category="operators"><comment w="90" collapsed="false">Rukaya Siddiqua</comment><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doRepeat"><l>10</l><script><block s="doSetVar"><l>population size</l><block var="population size"/></block><block s="doSetVar"><l>InitialINFECTED</l><l>10</l></block><block s="doSetVar"><l>speed</l><l>2</l></block><block s="show"></block><block s="doRepeat"><block var="population size"/><script><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block><block s="doUntil"><block s="reportEquals"><block var="infectedCounter"/><block var="populations"/></block><script><block s="doSetVar"><l>timeElapsed</l><block s="getTimer"></block></block></script></block><block s="doStopThis"><l><option>all but this script</option></l></block><custom-block s="cloneInitialize"></custom-block><block s="doForever"><script><block s="doIf"><block s="reportGreaterThan"><block var="timeElapsed"/><l>0</l></block><script><block s="bounceOffEdge"></block><block s="forward"><block var="speed"/></block><block s="doIf"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume name</option></l><block s="reportGet"><l><option>self</option></l></block></block><l>healthy</l></block><script><block s="doIf"><custom-block s="Collide"></custom-block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>infectedCounter</l><l>1</l></block></script></block></script></block></script></block></script></block></script></block></script></block-definition></blocks><variables><variable name="speed"><l>3</l></variable><variable name="infectedCounter"><l>50</l></variable><variable name="timeElapsed"><l>30.1</l></variable><variable name="InitialINFECTED"><l>3</l></variable><variable name="populations"><l>50</l></variable></variables></project><media name="U5L3P2 Disease Simulation" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>