<snapdata remixID="11251803"><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"><l></l><script></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"><l/><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="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></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"><l></l></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="157"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="158"></list></costumes><sounds><list struct="atomic" id="159"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="-5" y="-123" heading="111.69" scale="0.5" volume="100" pan="0" rotation="0" draggable="true" costume="1" color="80,80,80,1" pen="tip" id="164"><costumes><list id="165"><item><ref mediaID="Sprite_cst_well"></ref></item><item><ref mediaID="Sprite_cst_sick"></ref></item></list></costumes><sounds><list struct="atomic" id="166"></list></sounds><blocks></blocks><variables><variable name="infected?"><bool>false</bool></variable></variables><scripts><script x="673.3333333333334" y="34.22222222222223"><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="677" y="64.77777777777777"><custom-block s="touching infected person?"></custom-block></script><script x="676.6666666666666" 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="reportEquals"><block var="number infected"/><block var="population"/></block><script></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="671.3333333333334" y="10" w="331.3333333333333" collapsed="true">There are things to write inside these blocks:</comment><script x="690" y="267.73333333333335"><block s="receiveGo"></block><block s="show"></block><block s="doRepeat"><l>100</l><script><block s="doGotoObject"><l><option>random position</option></l></block><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block></script><script x="926" y="270.73333333333335"><block s="receiveOnClone"></block><block s="doForever"><script><block s="changeXPosition"><block s="reportRandom"><l>-2</l><l>2</l></block></block><block s="changeYPosition"><block s="reportRandom"><l>-2</l><l>2</l></block></block><block s="doIf"><block s="reportOr"><block s="reportTouchingObject"><l></l></block><block s="reportColorIsTouchingColor"><color>224,255,33,1</color><color>203,242,0,1</color></block></block><script><block s="doSwitchToCostume"><l>sick</l></block></script></block></script></block></script><script x="1098" y="86.39999999999998"><block s="doGlide"><l>1</l><block s="reportRandom"><l>-260</l><l>260</l></block><block s="reportRandom"><l>-260</l><l>260</l></block></block></script><script x="10" y="619.6666666666667"><block s="doForever"><script><block s="changeXPosition"><block s="reportRandom"><l>-2</l><l>2</l></block></block><block s="changeYPosition"><block s="reportRandom"><l>-2</l><l>2</l></block></block><block s="doIf"><block s="reportOr"><block s="reportTouchingObject"><l></l></block><block s="reportColorIsTouchingColor"><color>224,255,33,1</color><color>203,242,0,1</color></block></block><script><block s="doSwitchToCostume"><l>sick</l></block></script></block></script></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>5</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! 7, https://snap.berkeley.edu" version="2"><costume name="well" center-x="12" center-y="26" 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