<snapdata remixID="9220625"><project name="U5L2-Models and Simulation" app="Snap! 5.4, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><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" codify="false" inheritance="true" sublistIDs="false" scheduled="false" 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AoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQIHLFxAWmhEwHPAAAAAElFTkSuQmCC</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="0" y="0" heading="214" 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="uninfected" center-x="10" center-y="16" image="data:image/png;base64,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" id="10"/></item><item><costume name="infected" center-x="10" center-y="16" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAgCAYAAADwvkPPAAAErklEQVRIS52W229UVRSHv7XPmTM3pjPQFu0FUpFoucWGqUiUmyhIDCaagPrAkw8+aPwHTCT9I0QIJsYYY6KYgGjUREiJDRCTgpcIgQJSpFCh12lpO7ezlzkzbZlpS4Lup8lknW+vy2+ttYUHHAUBnD4INZd/K1AEfAG70GeBUdWZhoSoYVFOqXdc6nyfRWFDLi8MeiEGuEsGyEn5gtlTBZsGhTNJGqPCOoRnVGhFWSwwJXANQ7cq3WPD/F0HE5VeVsEugLciRQPCZgMvA88KNCh4lEMbEeE3C98VlZPxEa4Gl8y4NgsLvMokSUUgjWGvwAvAciBUEYkVGFY4DRwp5uiMTXJHwA9sKmFuNkWTKC8hvCnCeiABmKq8CFlVrqIcQzjijXBJIF8NSxPK9/I4llcF9iK0qhKtvHAaGlT0lsAPRfh8KM75ZX3lUO97dh/2GrAngPEQsGiSc9JLtgrWCe7GFE2OYSeWN1RIAzVzwwwkAfQY5agVvvZGuDw/zMDLJKkipNWwR8sFWAaEKwugypAIZyoK8M+MPObqzMslaTbCFpVSIdIoj4riqaCqZAz8KYYf1XIiNEqPwOQ8aQR/TIs2mkuwTEKsU6VdlLXAaoGYCufV8L0xnA4VuH5klPHXp2VRlbMZuoLpg/DiOEmJ0aA+ba5lH4Y1KF/5lk9jGS4D2Rl9zRftajz6iY4XcbPj5AYgHwOztJ5Vjs/7AtutcpgIhyL99AFeBiLJJfg8xpSco1DKmXZgOMyS4gRtvrBGlYmI0M0oV/INLLc59juwy1cOicsn4SyOL7QVHWodyyU3zu+8zbAEeRqoJ56yrFZlt8AOVR4Ry01r+QbhIi5vGdhplS+Nz0UjbLKmlMuBonDcGI6H1/JXybMrKwk3D9KgygZX2KHCRoHmoANEGbOCFaEeZazUq4Ki3AbOAscKHmfj7zBQ1eikcad6Wao+7SHYirDBCitEqQ0gIkyg9CmcF6FThdPeOq7TSU4EnTccA0+704TSvSzNWdYbw4tqeQVoEluSxlFx+Wk8ybUl+7gnHfen7oKwWZlswy38QbuFDwxsspbP8g4HEu/RUwlZULQLzfVsI09qlo6gmqocvBflYO1tbj7UDphrNAtTdvlwaDLKR/8bpo20ZrN0GGWXwmGNcCDaz43/7JmCSx1P5Xz2C2xT+EKED73h0nQtjeoHbqeK/gwK401FqXcibAPehZJIf0b5OOfTlRhn9IG9WdnoQCxXQ4O4rMeyE+E5KI3wIYSTVjke8bnAGJlK4Nx55pIkUVBW4tAerDpVViCMIfSLpcUaVCynfJ8TUZeLjDBeNRxntvhkjFrj0erCJl942kAKpRdDV97nRljY6MMWhBwBUDgRG6UHmAy2e3lqgBmBRKSGVsdhe2n5KmELFwS6POXXMSUTcljlWHarsEGgD+XbQpiu+F0Gg3BnYDJYx6IkPGEtW43SYi03VfjFL9ATn2C49GipIVUU2qzDZmsxYjiTj9KduMVIEGrVEiZBquDQhCFqiwyFXe6cGmby+fLrJ4jAoYbkPYdGUVxxuRsbLHlVvYRnjHsh1FLepwGgOPelE6TkKoRWlssf2AQelV5D/wJZ5Ot1fbL+8wAAAABJRU5ErkJggg==" id="11"/></item></list></costumes><sounds><list struct="atomic" id="12"></list></sounds><blocks></blocks><variables></variables><scripts><script x="30" y="30"><block s="receiveGo"></block><custom-block s="base"></custom-block><block s="show"></block><block s="doRepeat"><block var="total"/><script><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block><custom-block s="timer activated"></custom-block></script><script x="256" y="33"><block s="receiveOnClone"></block><custom-block s="cloning"></custom-block><block s="doForever"><script><block s="doIf"><block s="reportGreaterThan"><block var="time elapsed"/><l>0</l></block><script><block s="bounceOffEdge"></block><block s="forward"><block var="speed"/></block><block s="doIf"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume #</option></l><block s="reportGet"><l><option>self</option></l></block></block><l>1</l></block><script><block s="doIf"><custom-block s="collide"></custom-block><script><block s="doSwitchToCostume"><l>infected</l></block><block s="doChangeVar"><l>people infected</l><l>1</l></block></script></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume #</option></l><block s="reportGet"><l><option>self</option></l></block></block><l>2</l></block><script><block s="doRepeat"><l>2</l><script><block s="bubble"><l></l></block><block s="doThink"><l></l></block></script></block></script></block></script></block></script></block></script></scripts></sprite><watcher var="time elapsed" style="normal" x="10" y="10" color="243,118,29"/><watcher var="people infected" style="normal" x="10" y="31.000001999999995" color="243,118,29"/><watcher var="total" style="normal" x="10" y="52.00000399999999" color="243,118,29" hidden="true"/><watcher var="initial group" style="normal" x="10" y="73.00000599999998" color="243,118,29" hidden="true"/><watcher var="speed" style="normal" x="10" y="94.00000799999998" color="243,118,29" hidden="true"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="base" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>time elapsed</l><l>0</l></block><block s="doSetVar"><l>people infected</l><l>0</l></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="doAsk"><l>how many people in the population (1-200)?</l></block><block s="doSetVar"><l>total</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>what percentage of the population is affected initially?</l></block><block s="doSetVar"><l>initial group</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>what is the speed of the people (1-10)?</l></block><block s="doSetVar"><l>speed</l><block s="getLastAnswer"></block></block></script></block-definition><block-definition s="timer activated" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doResetTimer"></block><block s="doUntil"><block s="reportEquals"><block var="total"/><block var="people infected"/></block><script><block s="doSetVar"><l>time elapsed</l><block s="getTimer"></block></block></script></block><block s="doStopThis"><l><option>all but this script</option></l></block></script></block-definition><block-definition s="cloning" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSwitchToCostume"><l>uninfected</l></block><block s="doIf"><block s="reportLessThan"><block var="people infected"/><block s="reportQuotient"><block s="reportProduct"><block var="total"/><block var="initial group"/></block><l>100</l></block></block><script><block s="doSwitchToCostume"><l>infected</l></block><block s="doChangeVar"><l>people infected</l><l>1</l></block></script></block><block s="setHeading"><block s="reportRandom"><l>1</l><l>300</l></block></block><block s="gotoXY"><block s="reportRandom"><l>-240</l><l>240</l></block><block s="reportRandom"><l>-180</l><l>180</l></block></block></script></block-definition><block-definition s="collide" type="predicate" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doForEach"><l>item</l><block s="reportGet"><l><option>neighbors</option></l></block><script><block s="doIf"><block s="reportAnd"><block s="reportTouchingObject"><block var="item"/></block><block s="reportEquals"><block s="reportAttributeOf"><l><option>costume #</option></l><block var="item"/></block><l>2</l></block></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block></script></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="for each %&apos;item&apos; of %&apos;data&apos; %&apos;action&apos;" type="command" category="lists"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%l"></input><input type="%cs"></input></inputs><script><block s="doUntil"><custom-block s="empty %l"><block var="data"/></custom-block><script><block s="doSetVar"><l>item</l><block s="reportListItem"><l>1</l><block var="data"/></block></block><block s="doRun"><block var="action"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="doSetVar"><l>data</l><block s="reportCDR"><block var="data"/></block></block></script></block></script></block-definition><block-definition s="empty %&apos;data&apos;" type="predicate" category="variables"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportEquals"><block var="data"/><block s="reportNewList"><list></list></block></block></block></script></block-definition></blocks><variables><variable name="time elapsed"><l>8.5</l></variable><variable name="people infected"><l>6</l></variable><variable name="total"><l>6</l></variable><variable name="initial group"><l>10</l></variable><variable name="speed"><l>5</l></variable></variables></project><media name="U5L2-Models and Simulation" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>