<snapdata remixID="12216568"><project name="U5L2-Simulation" app="Snap! 7, 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="reportEquals"><block s="getCostumeIdx"></block><l>2</l></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="reportLessThan"><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></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></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="reportTouchingObject"><block var="neighbor"/></block><script><block s="doIf"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume #</option></l><block var="neighbor"/></block><l>2</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block></script></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>70</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="191"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="192"></list></costumes><sounds><list struct="atomic" id="193"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="-7.599999999999909" y="2.8000000000000114" heading="301.28999999999996" scale="0.7" volume="100" pan="0" rotation="0" draggable="true" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="198"><costumes><list id="199"><item><ref mediaID="Sprite_cst_well"></ref></item><item><ref mediaID="Sprite_cst_sick"></ref></item></list></costumes><sounds><list struct="atomic" id="200"></list></sounds><blocks></blocks><variables><variable name="infected?"><bool>false</bool></variable></variables><scripts><script x="95.33333333333337" y="34.22222222222223"><custom-block s="simulate disease, population: %n percent infected: %n speed: %n"><l>100</l><l>5</l><l>3</l></custom-block></script><script x="99" y="64.77777777777777"><custom-block s="touching infected person?"></custom-block></script><script x="98.66666666666663" 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="reportOr"><block s="reportEquals"><block var="number infected"/><block var="population"/></block><block s="reportGreaterThan"><block var="number infected"/><block var="population"/></block></block><script><block s="forward"><block s="reportRandom"><l>2</l><l>15</l></block></block><block s="setHeading"><block s="reportRandom"><l>0</l><l>360</l></block></block><block s="doIf"><custom-block s="touching infected person?"></custom-block><script><block s="doSwitchToCostume"><l>sick</l></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="93.33333333333337" y="10" w="331.3333333333333" collapsed="true">There are things to write inside these blocks:</comment><script x="392" y="99.16666666666663"><custom-block s="simulate disease, population: %n percent infected: %n speed: %n"><l>10</l><l>10</l><l>2</l></custom-block></script><script x="617" y="239"><block s="doShowVar"><l>number infected</l></block><block s="doShowVar"><l>population</l></block></script><script x="189" y="343.33333333333303"><block s="receiveOnClone"></block><block s="doWaitUntil"><block s="reportEquals"><block s="getCostumeIdx"></block><l>2</l></block></block><block s="doChangeVar"><l>number infected</l><l>1</l></block></script><script x="516" y="385.33333333333337"><block s="receiveGo"></block></script><script x="159" y="489"><custom-block s="average time for disease spread with population size: %n"><l>50</l></custom-block></script></scripts></sprite><watcher scope="Sprite" var="infected?" style="normal" x="9.999999999999773" y="9.999999999999986" color="243,118,29" hidden="true"/><watcher var="number infected" style="normal" x="9.999999999999773" y="40.000001999999995" color="243,118,29"/><watcher var="population" style="normal" x="10.909090909090764" y="10.909090909090892" color="243,118,29"/></sprites></stage><variables><variable name="number infected"><l>50</l></variable><variable name="population"><l>50</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! 7, https://snap.berkeley.edu" version="2"><costume name="well" center-x="12" center-y="26" image="data:image/png;base64,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" mediaID="Sprite_cst_well"/><costume name="sick" center-x="12" center-y="26" image="data:image/png;base64,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" mediaID="Sprite_cst_sick"/></media></snapdata>