<snapdata remixID="11062293"><project name="U5L2-Simulation" app="Snap! 6, https://snap.berkeley.edu" 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AAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECByxcQFpoRMBzwAAAABJRU5ErkJggg==</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="-5" y="72" heading="197.44000000000005" scale="0.5" volume="100" pan="0" rotation="0" draggable="true" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="8"><costumes><list id="9"><item><costume name="well" center-x="12" center-y="26" image="data:image/png;base64,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" id="10"/></item><item><costume name="sick" center-x="12" center-y="26" image="data:image/png;base64,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" id="11"/></item></list></costumes><sounds><list struct="atomic" id="12"></list></sounds><blocks></blocks><variables><variable name="infected?"><bool>false</bool></variable></variables><scripts><comment x="24" y="10" w="331.3333333333333" collapsed="true">There are things to write inside these blocks:</comment><script x="10" y="34.22222222222226"><custom-block s="simulate disease, population: %n percent infected: %n speed: %n"><l>10</l><l>5</l><l>5</l></custom-block></script><script x="54.333333333333314" y="128.888888888889"><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="reportEquals"><block var="number infected"/><block var="population"/></block><script><block s="bounceOffEdge"></block><block s="forward"><block var="speed"/></block><block s="doIf"><block s="reportNot"><block var="infected?"/></block><script><block s="doIf"><custom-block s="touching infected person?"></custom-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></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></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"/><watcher var="population" style="normal" x="10" y="10" color="243,118,29"/><watcher var="percent initially infected" style="normal" x="10" y="31.000001999999995" color="243,118,29"/><watcher var="speed" style="normal" x="10" y="52.00000399999999" color="243,118,29"/></sprites></stage><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 var="number infected"/><block var="population"/></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></block><block s="doReport"><block var="elapsed time"/></block></script><scripts><script x="159.087890625" y="380.6666666666667"><block s="reportEquals"><block s="getCostumeIdx"></block><l></l></block></script><script x="210.0146484375" y="405.6666666666667"><block s="newClone"><l><option>myself</option></l></block></script></scripts></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="reportSum"><l></l><l></l></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="reportProduct"><block var="population"/><block s="reportQuotient"><block var="percent initially infected"/><l>100</l></block></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>50</l></block></script></block-definition></blocks><variables><variable name="number infected"><l>10</l></variable><variable name="population"><l>10</l></variable><variable name="percent initially infected"><l>5</l></variable><variable name="speed"><l>5</l></variable><variable name="clones ready?"><bool>true</bool></variable></variables></project><media name="U5L2-Simulation" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>