<snapdata remixID="14353645"><project name="U5L2-Simulation" app="Snap! 10.7.1, 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></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></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="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"><l>100</l><l>5</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="reportTouchingObject"><block var="neighbor"/></block><block s="reportVariadicEquals"><list><block s="reportAttributeOf"><l><option>costume name</option></l><block var="neighbor"/></block><l>sick</l></list></block><block s="reportVariadicEquals"><list><block s="getCostumeIdx"></block><l>1</l></list></block></list></block><script><block s="doChangeVar"><l>number infected</l><l>1</l></block><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><primitives><block-definition s="switch to costume %&apos;#1&apos;" type="command" category="looks" selector="doSwitchToCostume" primitive="doSwitchToCostume"><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true"><options>§_costumesMenu</options></input></inputs><script><block s="doPrimitive"><l><bool>true</bool></l><l>doSwitchToCostume</l></block></script></block-definition><block-definition s="if %&apos;condition&apos; %&apos;true case&apos; %&apos;else pairs&apos;" type="command" category="control" selector="doIf" primitive="doIf"><header></header><code></code><translations></translations><inputs><input type="%b" readonly="true"></input><input type="%cs" readonly="true" irreplaceable="true"></input><input type="%elseif" readonly="true" irreplaceable="true" expand="else if&#xD;"></input></inputs><script><block s="doPrimitive"><l><bool>true</bool></l><l>doIf</l></block><block s="doDeclareVariables"><list><l>self</l></list></block><block s="doSetVar"><l>self</l><block s="reportEnvironment"><l><option>script</option></l></block></block><block s="doIfElse"><block var="condition"/><script><block s="doRun"><block var="true case"/><list></list></block></script><script><block s="doIfElse"><block s="reportListIsEmpty"><block var="else pairs"/></block><script></script><script><block s="doIfElse"><block s="reportListItem"><l>1</l><block s="reportListItem"><l>1</l><block var="else pairs"/></block></block><script><block s="doRun"><block s="reportListItem"><l>2</l><block s="reportListItem"><l>1</l><block var="else pairs"/></block></block><list></list></block></script><script><block s="doRun"><block var="self"/><list><block s="reportBoolean"><l><bool>false</bool></l></block><l></l><block s="reportCDR"><block var="else pairs"/></block></list></block></script></block></script></block></script></block></script></block-definition><block-definition s="my %&apos;#1&apos;" type="reporter" category="sensing" selector="reportGet" primitive="reportGet"><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true" irreplaceable="true">$_neighbors<options>§_gettablesMenu</options></input></inputs><script><block s="doPrimitive"><l><bool>true</bool></l><l>reportGet</l></block></script></block-definition><block-definition s="map %&apos;ring&apos; over %&apos;data&apos;" type="reporter" category="lists" selector="reportMap" primitive="reportMap"><header></header><code></code><translations></translations><inputs><input type="%repRing" readonly="true" irreplaceable="true"></input><input type="%l" readonly="true"></input></inputs><script><block s="doPrimitive"><l><bool>true</bool></l><l>reportMap</l></block><block s="doDeclareVariables"><list><l>result</l><l>implicit?</l></list></block><block s="doSetVar"><l>result</l><block s="reportNewList"><list></list></block></block><block s="doSetVar"><l>implicit?</l><block s="reportListIsEmpty"><block s="reportAttributeOf"><l><option>input names</option></l><block var="ring"/></block></block></block><block s="doWarp"><script><block s="doFor"><l>i</l><l>1</l><block s="reportListAttribute"><l><option>length</option></l><block var="data"/></block><script><block s="doAddToList"><block s="evaluate"><block var="ring"/><block s="reportIfElse"><block var="implicit?"/><block s="reportNewList"><list><block s="reportListItem"><block var="i"/><block var="data"/></block></list></block><block s="reportNewList"><list><block s="reportListItem"><block var="i"/><block var="data"/></block><block var="i"/><block var="data"/></list></block></block></block><block var="result"/></block></script></block></script></block><block s="doReport"><block var="result"/></block></script></block-definition><block-definition s="combine %&apos;data&apos; using %&apos;ring&apos;" type="reporter" category="lists" selector="reportCombine" primitive="reportCombine"><header></header><code></code><translations></translations><inputs><input type="%l" readonly="true"></input><input type="%repRing" readonly="true" irreplaceable="true"></input></inputs><script><block s="doPrimitive"><l><bool>true</bool></l><l>reportCombine</l></block><block s="doIf"><block s="reportListIsEmpty"><block var="data"/></block><script><block s="doReport"><l>0</l></block></script><list><block s="reportVariadicEquals"><list><block s="reportListAttribute"><l><option>length</option></l><block var="data"/></block><l>1</l></list></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="data"/></block></block></script></list></block><block s="doReport"><block s="evaluate"><block var="ring"/><list><block s="reportListItem"><l>1</l><block var="data"/></block><block s="evaluate"><block s="reportEnvironment"><l><option>script</option></l></block><list><block s="reportCDR"><block var="data"/></block><block var="ring"/></list></block></list></block></block></script></block-definition></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="401"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="402"></list></costumes><sounds><list struct="atomic" id="403"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><watcher scope="Sprite" var="infected?" style="normal" x="9.999999999999872" y="10.000000000000039" color="243,118,29" hidden="true"/><watcher var="number infected" style="normal" x="2.999999999999275" y="15.000002000000004" color="243,118,29" hidden="true"/><sprite name="Sprite" idx="1" x="-161.36888111888092" y="-21.65226296423959" heading="103.45999999999998" scale="0.5" volume="100" pan="0" rotation="0" draggable="true" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="410"><costumes><list id="411"><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="412"></list></sounds><blocks></blocks><variables><variable name="infected?" transient="true"/></variables><scripts><script x="20" y="34.22222222222223"><custom-block s="simulate disease, population: %n percent infected: %n speed: %n"><l>100</l><l>5</l><l>2</l><comment w="90" collapsed="true">This block sets a population, but does not simulate the spread of disease</comment></custom-block></script><comment x="18" y="10" w="331.3333333333333" collapsed="true">There are things to write inside these blocks:</comment><script x="23.333333333333314" y="65.88888888888903"><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="doWait"><l>0.5</l></block><block s="doGotoObject"><l><option>random position</option></l></block><block s="doIf"><custom-block s="touching infected person?"><comment w="90" collapsed="true">If a non-infected person is touching and infected person, the number infected variable increases</comment></custom-block><script><block s="doSwitchToCostume"><l>sick</l><comment w="90" collapsed="true">if a clone is touching a sick clone, they turn sick</comment></block></script><list></list></block></script><comment w="220" collapsed="true">Move the clone and&#xD;make it infected if it&apos;s touching an infected one.</comment></block></script><script x="26" y="305"><custom-block s="average time for disease spread with population size: %n"><l>100</l><comment w="90" collapsed="true">average time for a range of 10. Populations add on in the simulation.</comment></custom-block></script></scripts></sprite></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>false</bool></variable></variables></scene></scenes></project><media name="U5L2-Simulation" app="Snap! 10.7.1, 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="U5L2-Simulation_Sprite_cst_well"/><costume name="sick" center-x="12" center-y="26" image="data:image/png;base64,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" mediaID="U5L2-Simulation_Sprite_cst_sick"/></media></snapdata>