<snapdata remixID="15003210"><project name="U5L2-Simulation" app="Snap! 11.0.8, 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><block s="forward"><block var="speed input"/></block><block s="bounceOffEdge"></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="number infected"/><block var="population input"/></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="reportVariadicEquals"><list><block s="reportAttributeOf"><l><option>costume #</option></l><block var="neighbor"/></block><l>2</l></list></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportRandom"><l>1</l><l>5</l></block><l>5</l></list></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><list></list></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><primitives></primitives><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="212"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="213"></list></costumes><sounds><list struct="atomic" id="214"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="55.18945980840272" y="144.23847102104398" heading="330.30999999999995" scale="0.5" volume="100" pan="0" rotation="0" draggable="true" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="219"><costumes><list id="220"><item><ref mediaID="U5L2-Simulation_Sprite_cst_well"></ref></item><item><ref mediaID="U5L2-Simulation_Sprite_cst_sick"></ref></item></list></costumes><sounds><list struct="atomic" id="221"></list></sounds><blocks></blocks><variables><variable name="infected?"><bool>false</bool></variable></variables><scripts><script x="30" y="92.88888888888903"><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="doWarp"><script><block s="doIf"><custom-block s="touching infected person?"></custom-block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="getCostumeIdx"></block><l>1</l></list></block><script><block s="doChangeVar"><l>number infected</l><l>1</l></block></script><list></list></block><block s="doSetVar"><l>number infected</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="doSwitchToCostume"><l>sick</l></block></script><list></list></block></script></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="24.666666666666686" y="10" w="331.3333333333333" collapsed="true">There are things to write inside these blocks:</comment><script x="83.33333333333337" y="636.1666666666666"><custom-block s="average time for disease spread with population size: %n"><l>100</l></custom-block></script><script x="463" y="326.33333333333337"><block s="receiveGo"></block></script><script x="469.66666666666674" y="470.2222222222222"><custom-block s="simulate disease, population: %n percent infected: %n speed: %n"><l>100</l><l>1</l><l>2</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"><bool>true</bool></variable><variable name="population"><l>100</l></variable><variable name="percent initially infected"><l>10</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! 11.0.8, https://snap.berkeley.edu" version="2"><costume name="well" center-x="12" center-y="26" 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