<snapdata remixID="9190639"><project name="U5L2-DiseaseSpread" 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" 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,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" 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>0</l></variable><variable name="people infected"><l>0</l></variable><variable name="total"><l>100</l></variable><variable name="initial group"><l>1</l></variable><variable name="speed"><l>2</l></variable></variables></project><media name="U5L2-DiseaseSpread" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>