<snapdata remixID="9333827"><project name="Disease Spread" app="Snap! 5.4, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage 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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="226.38" scale="0.25" 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="22.5" center-y="22.5" image="data:image/svg+xml;base64,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" id="10"/></item><item><costume name="Infected" center-x="22.5" center-y="22.5" image="data:image/svg+xml;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="20"><block s="receiveGo"></block><block s="removeClone"></block></script><script x="30" y="91"><block s="receiveGo"></block><block s="doSetVar"><l>Infected counter</l><l>0</l></block><block s="doSetVar"><l>all made</l><block s="reportBoolean"><l><bool>false</bool></l></block></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="show"></block><block s="setScale"><l>25</l></block><block s="doAsk"><l>How many people in the population? Enter 1-200</l></block><block s="doSetVar"><l>total population</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>What percentage of the population is infected initially? Enter 1-100</l></block><block s="doSetVar"><l>Infected counter</l><block s="reportRound"><block s="reportSum"><block s="reportProduct"><block s="reportQuotient"><block s="getLastAnswer"></block><l>100</l></block><block var="total population"/></block><l>.4</l></block></block></block><block s="doAsk"><l>What is the speed of the people? Enter 1-10</l></block><block s="doSetVar"><l>speed of people</l><block s="getLastAnswer"></block></block><block s="doRepeat"><block var="total population"/><script><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block><block s="doSetVar"><l>all made</l><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script x="30" y="509"><block s="receiveOnClone"></block><block s="doWaitUntil"><block s="reportEquals"><block var="all made"/><block s="reportBoolean"><l><bool>true</bool></l></block></block></block><block s="doUntil"><block s="reportEquals"><block s="getCostumeIdx"></block><l>2</l></block><script><block s="doIf"><custom-block s="Contact with infected"></custom-block><script><block s="doSwitchToCostume"><l>Infected</l></block><block s="doChangeVar"><l>Infected counter</l><l>1</l></block></script></block></script></block></script><script x="30" y="697"><block s="receiveOnClone"></block><block s="doWarp"><script><block s="doGotoObject"><l><option>random position</option></l></block><block s="show"></block><block s="doIf"><block s="reportNot"><block s="reportEquals"><block var="Infected counter"/><l>0</l></block></block><script><block s="doChangeVar"><l>Infected counter</l><l>-1</l></block><block s="doSwitchToCostume"><l>Infected</l></block></script></block></script></block><block s="doWaitUntil"><block s="reportEquals"><block var="all made"/><block s="reportBoolean"><l><bool>true</bool></l></block></block></block><block s="doResetTimer"></block><block s="doIf"><block s="reportEquals"><block s="getCostumeIdx"></block><l>2</l></block><script><block s="doChangeVar"><l>Infected counter</l><l>1</l></block></script></block><block s="doFaceTowards"><l><option>random position</option></l></block><block s="doUntil"><block s="reportEquals"><block var="Infected counter"/><block var="total population"/></block><script><block s="forward"><block var="speed of people"/></block><block s="bounceOffEdge"></block></script></block><block s="doSetVar"><l>time elapsed</l><block s="getTimer"></block></block></script></scripts></sprite><watcher var="total population" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher var="percentage of people infected initially" style="normal" x="10" y="31.000001999999995" color="243,118,29" hidden="true"/><watcher var="speed of people" style="normal" x="10" y="52.00000399999999" color="243,118,29" hidden="true"/><watcher var="all made" style="normal" x="10" y="94.00000799999998" color="243,118,29" hidden="true"/><watcher var="time elapsed" style="normal" x="10" y="18.000005999999985" color="243,118,29"/><watcher var="Infected counter" style="normal" x="9" y="48.000005999999985" color="243,118,29"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="Contact with infected" type="predicate" category="sensing"><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></blocks><variables><variable name="total population"><l>10</l></variable><variable name="percentage of people infected initially"><l>50</l></variable><variable name="speed of people"><l>2</l></variable><variable name="Infected counter"><l>10</l></variable><variable name="time elapsed"><l>12.9</l></variable><variable name="all made"><bool>true</bool></variable></variables></project><media name="Disease Spread" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>