<snapdata remixID="9375942"><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 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" id="1"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts><script x="30" y="30"><block s="receiveGo"></block><block s="doResetTimer"></block><block s="doAsk"><l>Population?</l></block><block s="doSetVar"><l>pop. size</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>Percent Infected?</l></block><block s="doSetVar"><l>percent infected</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>Rate of spread?</l></block><block s="doSetVar"><l>rate of spread</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>How many doctors?</l></block><block s="doSetVar"><l>Doctors</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>Recovery Prob?</l></block><block s="doSetVar"><l>recoveryprob</l><block s="getLastAnswer"></block></block><block s="doBroadcast"><l>Done</l></block><block s="doIf"><block s="reportEquals"><block var="pop. size"/><block var="PopInfected"/></block><script><block s="doSetVar"><l>timeElapsed</l><block s="getTimer"></block></block></script></block><block s="doResetTimer"></block></script></scripts><sprites><sprite name="Sprite(2)" idx="2" x="204.3070506535073" y="-113.4014713352318" heading="110" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="1" color="163.20000000000002,107.71200000000002,0,1" pen="tip" id="54"><costumes><list id="55"><item><costume name="Untitled" center-x="9" center-y="10.5" image="data:image/png;base64,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" id="56"/></item></list></costumes><sounds><list struct="atomic" id="57"></list></sounds><blocks></blocks><variables></variables><scripts><script x="30" y="10"><block s="receiveMessage"><l>Done</l></block><block s="hide"></block><block s="doRepeat"><block var="Doctors"/><script><block s="createClone"><l><option>myself</option></l></block></script></block></script><script x="30" y="132"><block s="receiveOnClone"></block><block s="show"></block><block s="turn"><block s="reportRandom"><l>1</l><l>360</l></block></block><block s="doForever"><script><block s="forward"><block var="rate of spread"/></block><block s="bounceOffEdge"></block><block s="doIf"><custom-block s="collideWithSick?"></custom-block><script><block s="doBroadcast"><l>heal</l></block></script><comment w="123" collapsed="true">Changes the costume of sick sprites that it touches.</comment></block></script></block></script></scripts></sprite><sprite name="Sprite" idx="1" x="1.564423111961787" y="153.4007363321305" heading="199" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="2" color="80,80,80,1" pen="tip" id="90"><costumes><list id="91"><item><costume name="healthy" center-x="9" center-y="10.5" image="data:image/png;base64,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" id="92"/></item><item><costume name="sick" center-x="12" center-y="12" image="data:image/png;base64,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" id="93"/></item></list></costumes><sounds><list struct="atomic" id="94"></list></sounds><blocks></blocks><variables></variables><scripts><script x="24" y="10"><block s="receiveMessage"><l>Done</l></block><block s="hide"></block><block s="doSetVar"><l>PopInfected</l><l>0</l><comment w="90" collapsed="true">This resets the list so that the clones&apos; costumes will come out correctly.</comment></block><block s="doRepeat"><block var="pop. size"/><script><block s="doWait"><l>1</l></block><block s="createClone"><l><option>myself</option></l></block></script></block></script><script x="24" y="176"><block s="receiveOnClone"></block><block s="show"></block><block s="doSwitchToCostume"><l>healthy</l></block><block s="doIf"><block s="reportLessThan"><block var="PopInfected"/><block s="reportProduct"><block var="pop. size"/><block s="reportQuotient"><block var="percent infected"/><l>100</l></block></block><comment w="206" collapsed="true">Determines if clone will be sick originally or healthy, depending on pop size and percent.</comment></block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>PopInfected</l><l>1</l></block></script></block><block s="turn"><block s="reportRandom"><l>1</l><l>360</l></block></block><block s="doForever"><script><block s="doIf"><custom-block s="collideWithSick?"><comment w="169" collapsed="true">This abstraction determines if a clone is healthy or not when collided.</comment></custom-block><script><block s="doIf"><block s="reportEquals"><block s="reportRandom"><l>1</l><block var="recoveryprob"/></block><l>1</l><comment w="212" collapsed="true">A user-specified probability determines if the sprite will be sick or not.</comment></block><script><block s="doSwitchToCostume"><l>sick</l></block></script></block></script></block><block s="doIfElse"><block s="reportEquals"><block s="getCostumeIdx"></block><l>2</l></block><script><block s="forward"><block s="reportDifference"><block var="rate of spread"/><l>2</l></block><comment w="90" collapsed="true">Slows down sick sprites.</comment></block><block s="bounceOffEdge"></block></script><script><block s="forward"><block var="rate of spread"/></block><block s="bounceOffEdge"></block></script></block></script></block></script><script x="24" y="653"><block s="receiveMessage"><l>heal</l></block><block s="doIf"><block s="reportTouchingObject"><l>Sprite(2)</l></block><script><block s="doSwitchToCostume"><l>healthy</l><comment w="179" collapsed="true">Becomes healthy if touching doctor. .</comment></block></script></block></script></scripts></sprite><watcher var="pop. size" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher var="rate of spread" style="normal" x="10" y="31.000001999999995" color="243,118,29" hidden="true"/><watcher var="percent infected" style="normal" x="10" y="52.00000399999999" color="243,118,29" hidden="true"/><watcher var="PopInfected" style="normal" x="10" y="94.00000799999998" color="243,118,29" hidden="true"/><watcher scope="Sprite" s="getCostumeIdx" style="normal" x="10" y="115.00000999999997" color="143,86,227" hidden="true"/><watcher var="Doctors" style="normal" x="10" y="136.00001199999997" color="243,118,29" hidden="true"/><watcher var="timeElapsed" style="normal" x="6" y="8.000005999999985" color="243,118,29"/><watcher var="recoveryprob" style="normal" x="10" y="157.00001399999996" color="243,118,29" hidden="true"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="collideWithSick?" 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 name</option></l><block var="item"/></block><l>sick</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="pop. size"><l>10</l></variable><variable name="rate of spread"><l>5</l></variable><variable name="percent infected"><l>1</l></variable><variable name="timeElapsed"><l>64.8</l></variable><variable name="PopInfected"><l>1</l></variable><variable name="Doctors"><l>1</l></variable><variable name="recoveryprob"><l>3</l></variable></variables></project><media name="Disease Spread" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>