<snapdata remixID="8981178"><project name="Disease Simulation" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAAAXNSR0IArs4c6QAABRJJREFUeAHtmE1PU2kcxc+lVcCJSIszBnkxztoM4wbczIKEBZNgoozfwSVfwLXxO7gyfgM3RjMxTALxJROI8YVhFjNJoUEriVYiSW9p63Of+h6oS3IO5y7ae3vb23P+v1+eviStsMGbJ7BPE+jap/f123oCcQIW0CLs6wTye7379vY2lpeXUX1bbT/l2w/qJDzcijdhJ0ESdo/194e9zltaq+FduHb2xEJ/AePj48jlcp1f5LOyE0j2+g44/9c8Tg6ebBcP8mWufZSrhczGIF2UMjtKUCs/x/r1yzjd31mm7BrDl66gPDIVX19aK2Fqakp2wC7WeQK7roAbGxsYKA6gFlarzLpnT56hUCxgcHAwrHRBvHDN9oKYoNnYQVdYwTb//Ru/jXbj0NkLyP9yHs2NFSCXR3r7GrovXsXOyp9o/HMvpjncrKFeS+M1ioVC54Q+Kz2BXQXc3NxEmtaDaC1k+0vLS+jt7cXCwkK8bzQaWFxcRE9PD+bm5jA9PY1Gs61kY3UeueEx1O/fQPfstTi8nce3kPv53CcBswdraRrPZR/d3g7uBHYVsFgsolQqxakc7evD+MQEfjhyBGNjY8jnw6pWr2NychLVahWzs3/gzZvXaDWb8flJ3wnUH9xE/szvaPz/KN53jfyKTMwvtzQNq2vY0g8ifnnO+wdnArsKODQ0hEcPH6I4MBAn8ePx4/E+k7C9zgEfH6tUXrbP/TSKZA1ovliNx81X/8X7ePP09uf9sFdDkPiDeJVK5atzPjhYE9jzR8jW1hbu3rmDcrkcpMu+9wX14pe/sJf9+sgOw3H2N3b8GA03I8MjcYXsOMLw/PXyehTw1KlRzMyc//5rOl7QJ5knsKeAzKWcnWcC/iOah5VkUgsoiZWnlAXkYSWZ1AJKYuUpZQF5WEkmtYCSWHlKWUAeVpJJLaAkVp5SFpCHlWRSCyiJlaeUBeRhJZnUAkpi5SllAXlYSSa1gJJYeUpZQB5WkkktoCRWnlIWkIeVZFILKImVp5QF5GElmdQCSmLlKWUBeVhJJrWAklh5SllAHlaSSS2gJFaeUhaQh5VkUgsoiZWnlAXkYSWZ1AJKYuUpZQF5WEkmtYCSWHlKWUAeVpJJLaAkVp5SFpCHlWRSCyiJlaeUBeRhJZnUAkpi5SllAXlYSSa1gJJYeUpZQB5WkkktoCRWnlIWkIeVZFILKImVp5QF5GElmdQCSmLlKWUBeVhJJrWAklh5SllAHlaSSS2gJFaeUhaQh5VkUgsoiZWnlAXkYSWZ1AJKYuUpZQF5WEkmtYCSWHlKWUAeVpJJLaAkVp5SFpCHlWRSCyiJlaeUBeRhJZnUAkpi5SllAXlYSSa1gJJYeUpZQB5WkkktoCRWnlIWkIeVZFILKImVp5QF5GElmdQCSmLlKWUBeVhJJrWAklh5SllAHlaSSS2gJFaeUhaQh5VkUgsoiZWnlAXkYSWZ1AJKYuUpZQF5WEkmtYCSWHlKWUAeVpJJLaAkVp5SFpCHlWRSCyiJlaeUBeRhJZnUAkpi5SllAXlYSSa1gJJYeUpZQB5WkkktoCRWnlIWkIeVZFILKImVp5QF5GElmdQCSmLlKWUBeVhJJrWAklh5SllAHlaSSS2gJFaeUhaQh5VkUgsoiZWnlAXkYSWZ1AJKYuUpZQF5WEkmtYCSWHlKWUAeVpJJLaAkVp5SFpCHlWRSCyiJlaeUBeRhJZnUAkpi5SllAXlYSSZ9D3BDz9z+U/73AAAAAElFTkSuQmCC</thumbnail><stage 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struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><sprite name="Person" idx="1" x="-143.09181543899444" y="115.31451198439225" heading="343" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="1" color="80,80,80,1" pen="tip" id="8"><costumes><list id="9"><item><costume name="healthy" center-x="8" center-y="9" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAASCAYAAABSO15qAAAAAXNSR0IArs4c6QAAARxJREFUOBFjZMAA/5nYGK6GMzL8twFKyUOlH/5nYDzyi0F7JQMD4z9kLYzIHHaGy3lAfi0QiyCLI7HfANnNPxl0J8HE4AawMVxeBOTEwiTw0f8ZGBb/YtCNA6lhAhFAm2cQqxmkHqQWpAfMZme44svA8H8TiEM6YPQDuuB/MekaYTr+FzMCnQL0EvkAHAbka4cG4tA34DcFXvjNBEzzveQaANLLyMtwXfgXw59rQEPESDToFRsDixbTZwbNt0CNROUBNAtiQXrB6QCYu3YxMjA6AVP5bTRFWLiMt0FqQXpAkvDcCFEJLgtKGBn+AV3EqIOq+/+V/wxMwFyo3QOUg5cJaAYgtHAzXJX4xfBPBiTCxsD05CuD9guELIIFAI6YQ3WIaTFnAAAAAElFTkSuQmCC" id="10"/></item><item><costume name="sick" 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image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAAAXNSR0IArs4c6QAAAJZJREFUOBHt1MENgCAMBVBwHwdxYgdxIEwDlVJaUSgHE7lgQF5/SIN3rbEfQfxlW724nhb1TQ3kmlJAhp+iWETAa/gtquAl3IsKeIZHUYZH2Aol+ILf1rN31mlTwmmJf/jqgS+2G4a3arv0IE3rivxWQPLR1OT5LOERnKDA1HAPzlAdhh0YrasRwHhQS4y7OPMCNyAeOQEzhiyneA8qmwAAAABJRU5ErkJggg==" id="13"/></item></list></costumes><sounds><list struct="atomic" id="14"></list></sounds><blocks></blocks><variables></variables><scripts><script x="32.48936070212767" y="30"><block s="receiveGo"></block><block s="doWait"><l>.1</l></block><block s="doHideVar"><l>timer</l></block><block s="show"></block><block s="doSwitchToCostume"><l>healthy</l></block><custom-block s="set variables for simulation"></custom-block><custom-block s="initialize sim"></custom-block><block s="doBroadcast"><l>start</l></block><block s="doShowVar"><l>timer</l></block><block s="doForever"><script><custom-block s="update timer"></custom-block><custom-block s="Stop everything if everyone is infected"></custom-block></script></block></script><script x="300.56737488652493" y="42.96453900709213"><block s="receiveMessage"><l>start</l></block><block s="setHeading"><block s="reportRandom"><l>0</l><l>360</l></block></block><block s="doForever"><script><block s="doIfElse"><block s="reportAnd"><block s="reportEquals"><block s="getCostumeIdx"></block><l>2</l></block><block s="reportEquals"><block var="infected speed"/><block s="reportBoolean"><l><bool>true</bool></l></block></block></block><script><block s="forward"><block s="reportQuotient"><block var="speed"/><l>10</l></block></block></script><script><block s="forward"><block s="reportQuotient"><block var="speed"/><l>5</l></block></block></script></block><block s="bounceOffEdge"></block></script></block></script><script x="30" y="296.6205683758865"><block s="receiveMessage"><l>start</l></block><block s="doForever"><script><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block s="getCostumeIdx"></block><l>1</l></block><custom-block s="touching infected?"></custom-block></block><script><block s="doSwitchToCostume"><l>sick</l></block></script></block><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block s="getCostumeIdx"></block><l>2</l></block><custom-block s="touching doctor?"></custom-block></block><script><block s="doIfElse"><block s="reportEquals"><block var="immune"/><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><block s="doSwitchToCostume"><l>immune</l></block></script><script><block s="doSwitchToCostume"><l>healthy</l></block></script></block></script></block></script></block></script><script x="504.5248216950357" y="265.4609929078015"><block s="receiveGo"></block><block s="removeClone"></block></script><script x="35.48936070212767" y="573.9645390070923"><block s="receiveMessage"><l>start</l></block><block s="doForever"><script><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block s="getCostumeIdx"></block><l>2</l></block><block s="reportEquals"><block var="heal"/><block s="reportBoolean"><l><bool>true</bool></l></block></block></block><script><block s="doWait"><block var="heal time"/></block><block s="doIfElse"><block s="reportEquals"><block var="immune"/><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><block s="doSwitchToCostume"><l>immune</l></block></script><script><block s="doSwitchToCostume"><l>healthy</l></block></script></block></script></block></script></block></script></scripts></sprite><watcher scope="Person" s="xPosition" style="normal" x="10" y="10" color="74,108,212" hidden="true"/><watcher scope="Person" s="yPosition" style="normal" x="10" y="31.000001999999995" color="74,108,212" hidden="true"/><watcher var="population size" style="normal" x="10" y="52.00000399999999" color="243,118,29" hidden="true"/><watcher var="percent infected" style="normal" x="10" y="73.000006" color="243,118,29" hidden="true"/><watcher var="speed" style="normal" x="10" y="94.00000799999998" color="243,118,29" hidden="true"/><watcher scope="Stage" s="reportMouseX" style="normal" x="6" y="40.00001199999997" color="4,148,220" hidden="true"/><watcher scope="Stage" s="reportMouseY" style="normal" x="8" y="63.00001399999998" color="4,148,220" hidden="true"/><watcher scope="Stage" s="getTimer" style="normal" x="2" y="5.000009999999975" color="4,148,220" hidden="true"/><watcher var="timer" style="normal" x="17" y="9.000009999999975" color="243,118,29"/><watcher var="probability" style="normal" x="10" y="115.00000999999997" color="243,118,29" hidden="true"/><watcher var="infected speed" style="normal" x="10" y="136.00001199999997" color="243,118,29" hidden="true"/><watcher var="heal" style="normal" x="19" y="40.000013999999965" color="243,118,29" hidden="true"/><watcher var="heal time" style="normal" x="0" y="283.00001599999996" color="243,118,29" hidden="true"/><watcher var="immune" style="normal" x="10" y="160.00001399999996" color="243,118,29" hidden="true"/><watcher var="doctors" style="normal" x="10" y="184.00001599999996" color="243,118,29" hidden="true"/><watcher var="percent vaccinated" style="normal" x="10" y="205.00001799999995" color="243,118,29" hidden="true"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="label %&apos;text&apos; of size %&apos;size&apos;" type="command" category="pen"><comment x="0" y="0" w="90" collapsed="false">LABEL will stamp text on the stage at the given font size. 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%l"><block var="data"/></custom-block><script><block s="doReport"><block var="data"/></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="func"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><custom-block s="map %repRing over %l"><block var="func"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script></block-definition><block-definition s="random x position" type="reporter" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><block s="reportRandom"><l>-230</l><l>230</l></block></block></script></block-definition><block-definition s="random y position" type="reporter" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><block s="reportRandom"><l>-170</l><l>170</l></block></block></script></block-definition><block-definition s="touching infected?" type="predicate" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="for each %upvar of %l %cs"><l>item</l><block s="reportGet"><l><option>neighbors</option></l></block><script><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume #</option></l><block var="item"/></block><l>2</l></block><block s="reportLessThan"><block s="reportRelationTo"><l><option>distance</option></l><block var="item"/></block><l>15</l></block></block><script><block s="doIf"><block s="reportEquals"><block var="probability"/><l>0</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block><block s="doIfElse"><custom-block s="%s &lt;= %s"><block s="reportRandom"><l>1</l><l>100</l></block><block var="probability"/></custom-block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block></script></custom-block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="update timer" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>timer</l><block s="getTimer"></block></block></script></block-definition><block-definition s="set population size" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>population size</l><l>0</l></block><block s="doUntil"><block s="reportAnd"><custom-block s="%s &lt;= %s"><l>1</l><block var="population size"/></custom-block><custom-block s="%s &lt;= %s"><block var="population size"/><l>200</l></custom-block></block><script><block s="doAsk"><l>Population Size? (Enter a number between 1 and 200)</l></block><block s="doSetVar"><l>population size</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>population size</l><block s="reportMonadic"><l><option>floor</option></l><block var="population size"/></block></block></script></block-definition><block-definition s="%&apos;a&apos; &lt;= %&apos;b&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doReport"><block s="reportOr"><block s="reportLessThan"><block var="a"/><block var="b"/></block><block s="reportEquals"><block var="a"/><block var="b"/></block></block></block></script></block-definition><block-definition s="Set percent infected" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>percent infected</l><l>0</l></block><block s="doUntil"><block s="reportAnd"><custom-block s="%s &lt;= %s"><l>1</l><block var="percent infected"/></custom-block><custom-block s="%s &lt;= %s"><block var="percent infected"/><l>100</l></custom-block></block><script><block s="doAsk"><l>Initial Percent Infected (Enter a number between 1 and 100)</l></block><block s="doSetVar"><l>percent infected</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>percent infected</l><block s="reportMonadic"><l><option>floor</option></l><block var="percent infected"/></block></block></script></block-definition><block-definition s="Set speed" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>speed</l><l>0</l></block><block s="doUntil"><block s="reportAnd"><custom-block s="%s &lt;= %s"><l>1</l><block var="speed"/></custom-block><custom-block s="%s &lt;= %s"><block var="speed"/><l>10</l></custom-block></block><script><block s="doAsk"><l>Speed that people will move around? (Enter a number between 1 and 10)</l></block><block s="doSetVar"><l>speed</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>speed</l><block s="reportMonadic"><l><option>floor</option></l><block var="speed"/></block></block></script></block-definition><block-definition s="initialize sim" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>initial infected</l><l>infected count</l><l>doctor count</l><l>initial vaccinated</l><l>vaccinated count</l></list></block><block s="doSetVar"><l>infected count</l><l>0</l></block><block s="doSetVar"><l>doctor count</l><l>0</l></block><block s="doSetVar"><l>vaccinated count</l><l>0</l></block><block s="doSetVar"><l>initial infected</l><block s="reportRound"><block s="reportProduct"><block s="reportQuotient"><block var="percent infected"/><l>100</l></block><block var="population size"/></block></block></block><block s="doSetVar"><l>initial vaccinated</l><block s="reportRound"><block s="reportProduct"><block s="reportQuotient"><block var="percent vaccinated"/><l>100</l></block><block var="population size"/></block></block></block><custom-block s="for %upvar = %n to %n %cs"><l>i</l><l>1</l><block var="population size"/><script><block s="doIfElse"><block s="reportLessThan"><block var="infected count"/><block var="initial infected"/></block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>infected count</l><l>1</l></block></script><script><block s="doIfElse"><block s="reportLessThan"><block var="doctor count"/><block var="doctors"/></block><script><block s="doSwitchToCostume"><l>doctor</l></block><block s="doChangeVar"><l>doctor count</l><l>1</l></block></script><script><block s="doIfElse"><block s="reportLessThan"><block var="vaccinated count"/><block var="initial vaccinated"/></block><script><block s="doSwitchToCostume"><l>immune</l></block><block s="doChangeVar"><l>vaccinated count</l><l>1</l></block></script><script><block s="doSwitchToCostume"><l>healthy</l></block></script></block></script></block></script></block><block s="gotoXY"><custom-block s="random x position"></custom-block><custom-block s="random y position"></custom-block></block><block s="createClone"><l><option>myself</option></l></block></script></custom-block><block s="hide"></block><block s="doResetTimer"></block></script></block-definition><block-definition s="Stop everything if everyone is infected" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doIf"><block s="reportNot"><block s="reportListContainsItem"><custom-block s="map %repRing over %l"><block s="reifyReporter"><autolambda><block s="reportAttributeOf"><l><option>costume #</option></l><l></l></block></autolambda><list></list></block><block s="reportGet"><l><option>clones</option></l></block></custom-block><l>1</l></block></block><script><block s="doPauseAll"></block></script></block></script></block-definition><block-definition s="set variables for simulation" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="set population size"></custom-block><custom-block s="Set percent infected"></custom-block><custom-block s="Set doctor"></custom-block><custom-block s="Set vaccination"></custom-block><custom-block s="Set speed"></custom-block><custom-block s="Set infected slow speed"></custom-block><custom-block s="Set probability"></custom-block><custom-block s="Set heal"></custom-block><block s="doIf"><block s="reportEquals"><block var="heal"/><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><custom-block s="Set heal time"></custom-block><custom-block s="Set immune"></custom-block></script></block></script></block-definition><block-definition s="Set probability" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>probability</l><l>-1</l></block><block s="doUntil"><block s="reportAnd"><custom-block s="%s &lt;= %s"><l>0</l><block var="probability"/></custom-block><custom-block s="%s &lt;= %s"><block var="probability"/><l>100</l></custom-block></block><script><block s="doAsk"><l>Probability Contact will Infect? (Enter a number between 0 and 100)</l></block><block s="doSetVar"><l>probability</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>probability</l><block s="reportMonadic"><l><option>floor</option></l><block var="probability"/></block></block></script></block-definition><block-definition s="Set infected slow speed" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>infected speed</l><l>0</l></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="infected speed"/><l>y</l></block><block s="reportEquals"><block var="infected speed"/><l>n</l></block></block><script><block s="doAsk"><l>Should infected people move slower? Enter "y" for yes or "n" for no.</l></block><block s="doSetVar"><l>infected speed</l><block s="getLastAnswer"></block></block></script></block><block s="doIfElse"><block s="reportEquals"><block var="infected speed"/><l>y</l></block><script><block s="doSetVar"><l>infected speed</l><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doSetVar"><l>infected speed</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="Set heal" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>heal</l><l>0</l></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="heal"/><l>y</l></block><block s="reportEquals"><block var="heal"/><l>n</l></block></block><script><block s="doAsk"><l>Should infected people be able to heal? Enter "y" for yes or "n" for no.</l></block><block s="doSetVar"><l>heal</l><block s="getLastAnswer"></block></block></script></block><block s="doIfElse"><block s="reportEquals"><block var="heal"/><l>y</l></block><script><block s="doSetVar"><l>heal</l><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doSetVar"><l>heal</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="Set heal time" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>heal time</l><l>0</l></block><block s="doUntil"><custom-block s="%s &lt;= %s"><l>1</l><block var="heal time"/></custom-block><script><block s="doAsk"><l>How many seconds should it take for someone to heal?</l></block><block s="doSetVar"><l>heal time</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>heal time</l><block s="reportMonadic"><l><option>floor</option></l><block var="heal time"/></block></block></script></block-definition><block-definition s="Set immune" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>immune</l><l>0</l></block><block s="doUntil"><block s="reportOr"><block s="reportEquals"><block var="immune"/><l>y</l></block><block s="reportEquals"><block var="immune"/><l>n</l></block></block><script><block s="doAsk"><l>Should healed people become immune? Enter "y" for yes or "n" for no.</l></block><block s="doSetVar"><l>immune</l><block s="getLastAnswer"></block></block></script></block><block s="doIfElse"><block s="reportEquals"><block var="immune"/><l>y</l></block><script><block s="doSetVar"><l>immune</l><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doSetVar"><l>immune</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="Set doctor" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>doctors</l><l>-1</l></block><block s="doUntil"><block s="reportAnd"><custom-block s="%s &lt;= %s"><l>0</l><block var="doctors"/></custom-block><custom-block s="%s &lt;= %s"><block var="doctors"/><l>3</l></custom-block></block><script><block s="doAsk"><l>How many doctors do you want? (Enter a number between 0 and 3)</l></block><block s="doSetVar"><l>doctors</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>doctors</l><block s="reportMonadic"><l><option>floor</option></l><block var="doctors"/></block></block></script></block-definition><block-definition s="touching doctor?" type="predicate" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="for each %upvar of %l %cs"><l>item</l><block s="reportGet"><l><option>neighbors</option></l></block><script><block s="doIf"><block s="reportAnd"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume #</option></l><block var="item"/></block><l>4</l></block><block s="reportLessThan"><block s="reportRelationTo"><l><option>distance</option></l><block var="item"/></block><l>15</l></block></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block></script></custom-block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="Set vaccination" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>percent vaccinated</l><l>-1</l></block><block s="doUntil"><block s="reportAnd"><custom-block s="%s &lt;= %s"><l>0</l><block var="percent vaccinated"/></custom-block><custom-block s="%s &lt;= %s"><block var="percent vaccinated"/><l>100</l></custom-block></block><script><block s="doAsk"><l>Initial Percent Vaccinated (Enter a number between 0 and 100)</l></block><block s="doSetVar"><l>percent vaccinated</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>percent vaccinated</l><block s="reportMonadic"><l><option>floor</option></l><block var="percent vaccinated"/></block></block></script></block-definition></blocks><variables><variable name="population size"><l>100</l></variable><variable name="percent infected"><l>35</l></variable><variable name="speed"><l>6</l></variable><variable name="timer"><l>73.3</l></variable><variable name="probability"><l>100</l></variable><variable name="infected speed"><bool>false</bool></variable><variable name="heal"><bool>true</bool></variable><variable name="heal time"><l>5</l></variable><variable name="immune"><bool>false</bool></variable><variable name="doctors"><l>3</l></variable><variable name="percent vaccinated"><l>2</l></variable></variables></project><media name="Disease Simulation" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>