<snapdata remixID="13152370"><project name="U5L2-Simulation" app="Snap! 9.0, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="U5L2-Simulation"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="simulate disease, population: %&apos;population input&apos; percent infected: %&apos;percent initially infected input&apos; speed: %&apos;speed input&apos;" type="reporter" category="other"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><block s="doDeclareVariables"><list><l>elapsed time</l><l>start time</l></list></block><block s="doSetVar"><l>clones ready?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><custom-block s="initialize simulation %n %n %n"><block var="population input"/><block var="percent initially infected input"/><block var="speed input"/></custom-block><block s="show"></block><block s="doRepeat"><block var="population input"/><script><block s="createClone"><l><option>myself</option></l></block></script><comment w="136.66666666666666" collapsed="true">Create the clones.</comment></block><block s="hide"></block><block s="doSetVar"><l>start time</l><block s="reportDate"><l><option>time in milliseconds</option></l></block></block><block s="doSetVar"><l>clones ready?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="doWaitUntil"><block s="reportVariadicEquals"><list><block var="population"/><block var="number infected"/></list></block><comment w="135.33333333333334" collapsed="false">Wait until everyone is&#xD;infected.</comment></block><block s="doSetVar"><l>elapsed time</l><block s="reportQuotient"><block s="reportDifference"><block s="reportDate"><l><option>time in milliseconds</option></l></block><block var="start time"/></block><l>1000</l></block></block><block s="doBroadcast"><l>vanish</l><list></list></block><block s="doReport"><block var="elapsed time"/></block></script></block-definition><block-definition s="average time for disease spread with population size: %&apos;size&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="bubble"><l></l></block><block s="doReport"><block s="reportQuotient"><block s="reportCombine"><block s="reportMap"><block s="reifyReporter"><autolambda><custom-block s="simulate disease, population: %n percent infected: %n speed: %n"><block var="size"/><l>10</l><l>2</l></custom-block></autolambda><list></list></block><block s="reportNumbers"><l>1</l><l>10</l></block></block><block s="reifyReporter"><autolambda><block s="reportVariadicSum"><list><l></l><l></l></list></block></autolambda><list></list></block></block><l>10</l></block></block></script></block-definition><block-definition s="initialize clone" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doIf"><block s="reportVariadicLessThan"><list><block var="number infected"/><block s="reportVariadicProduct"><list><block var="population"/><block s="reportQuotient"><block var="percent initially infected"/><l>100</l></block></list></block></list></block><script><block s="doChangeVar"><l>number infected</l><l>1</l></block><block s="doSetVar"><l>infected?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="doSwitchToCostume"><l>sick</l></block></script><list></list></block><block s="doGotoObject"><l><option>random position</option></l></block><block s="doFaceTowards"><l><option>random position</option></l></block></script></block-definition><block-definition s="touching infected person?" type="predicate" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doForEach"><l>neighbor</l><block s="reportGet"><l><option>neighbors</option></l></block><script><block s="doIf"><block s="reportVariadicAnd"><list><block s="reportNot"><block var="infected?"/></block><block s="reportVariadicAnd"><list><block s="reportTouchingObject"><block var="neighbor"/></block><block s="reportAskFor"><block var="neighbor"/><block var="infected?"/><list></list></block></list></block></list></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><list></list></block></script><comment w="174.66666666666666" collapsed="false">Fill in the blank to check whether&#xD;this clone is touching an infected one.</comment></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="initialize simulation %&apos;pop&apos; %&apos;inf&apos; %&apos;sp&apos;" type="command" category="variables"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><block s="doSetVar"><l>population</l><block var="pop"/><comment w="216.66666666666666" collapsed="true">Make global so &quot;when I start&quot; can use it.</comment></block><block s="doSetVar"><l>percent initially infected</l><block var="inf"/></block><block s="doSetVar"><l>speed</l><block var="sp"/></block><block s="doSetVar"><l>clones ready?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="doSetVar"><l>number infected</l><l>0</l></block><block s="doSetVar"><l>infected?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="doSwitchToCostume"><l>well</l></block><block s="setScale"><l>50</l></block></script></block-definition></blocks><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="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" id="205"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="206"></list></costumes><sounds><list struct="atomic" id="207"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="-186.25" y="131.25" heading="179.36" scale="0.5" volume="100" pan="0" rotation="0" draggable="true" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="212"><costumes><list id="213"><item><ref mediaID="Sprite_cst_well"></ref></item><item><ref mediaID="Sprite_cst_sick"></ref></item></list></costumes><sounds><list struct="atomic" id="214"></list></sounds><blocks></blocks><variables><variable name="infected?"><bool>false</bool></variable></variables><scripts><script x="13.333333333333343" y="34.22222222222224"><custom-block s="simulate disease, population: %n percent infected: %n speed: %n"><l>100</l><l>5</l><l>2</l></custom-block></script><script x="16.666666666666657" y="92.88888888888904"><block s="receiveOnClone"></block><custom-block s="initialize clone"></custom-block><block s="doWaitUntil"><block var="clones ready?"><comment w="295.3333333333333" collapsed="true">This will be true when all the clones have been created.</comment></block></block><block s="doUntil"><block s="reportVariadicEquals"><list><block var="number infected"/><block var="population"/></list></block><script><block s="forward"><block var="speed"/></block><block s="bounceOffEdge"></block><block s="doIf"><custom-block s="touching infected person?"></custom-block><script><block s="doIf"><block s="reportNot"><block var="infected?"/></block><script><block s="doChangeVar"><l>number infected</l><l>1</l></block><block s="doSetVar"><l>infected?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="doSwitchToCostume"><l>sick</l></block></script><list></list></block></script><list></list></block></script><comment w="220" collapsed="false">Move the clone and&#xD;make it infected if it&apos;s touching an infected one.</comment></block></script><comment x="11.333333333333343" y="10" w="331.3333333333333" collapsed="true">There are things to write inside these blocks:</comment><script x="109" y="410.3333333333333"><custom-block s="average time for disease spread with population size: %n"><l>100</l></custom-block></script></scripts></sprite><watcher scope="Sprite" var="infected?" style="normal" x="9.999999999999545" y="10.000000000000007" color="243,118,29" hidden="true"/><watcher var="number infected" style="normal" x="9.999999999999545" y="40.000001999999995" color="243,118,29" hidden="true"/></sprites></stage><variables><variable name="number infected"><l>100</l></variable><variable name="population"><l>100</l></variable><variable name="percent initially infected"><l>5</l></variable><variable name="speed"><l>2</l></variable><variable name="clones ready?"><bool>true</bool></variable></variables></scene></scenes></project><media name="U5L2-Simulation" app="Snap! 9.0, https://snap.berkeley.edu" version="2"><costume name="well" center-x="12" center-y="26" 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