<snapdata remixID="9125935"><project name="U5L2-DiseaseSpread " app="Snap! 5.4, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAE6UlEQVR4Xu3YMUvcBxzG8ed/emmPkxi1VkRR1CFQGlC32KWDTl0KDi7dCu3QqS8hS7cuhUJx7jsodJDQQkBwc9BFkFoxaq9aaQhGz3h35f6BlhDsMz1k8Huj9/CT+/jlTi06nU5HPBB4SwIFAb4leb5tKUCAhPCGwN7eng4ODlStVlUUxY1C3ef66nX9+ceR2q3W/0sWhWp9d9VqtTQ5OamJiQkCpL03Bfb399VoNNTf3295+vrq+vGLjzQ/cKmbM3115t7YtGqf/aDeO+/q9PRU09PTGh0d5R3QKt+ywc7Ojq6urspXvba2pnq9rpmZGTWbzfLdcGxsrAxoZGRE7ZdNNb79RAvj75T7ysS8qvPL6jSfqygqav78zX96PVU9++qJzs7Oyq9dX19rbm6OAG9ZX/blHh0d6fj4uNytrq5qaWlJ6+vrZYi1Wq2MsxviysqKXjz/W2fffaqHY68CLOqDqi5+raLnjvTyhZo/PXotwL++/KWMt/sYHh4uP4b5HdD+SG7XYHNzU5eXl+r+c2Rra0vj4+O6uLgofx/sRth97vz8XFNTU1LrSs++X/43QKlQz/2PpU5LKnrU2vn1tQAbn6+VH+/dgLv3FxYWCPB25eVf7eHhoTY2NjQ0NGTH3Y/g/sePdF9P7bYy/VCP31vW3aH3dXJyosXFRQ0MDBCglbuFg93dXW1vb5d/Cbfb7RsFuu9ivZWK7g0OWqWnv/+mSm9VH3z4QLOzs+U7a/mxzf8BrR2DoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAoQYBCX016AAL0Ri6AAAQZxOe0FCNAbsQgKEGAQl9NegAC9EYugAAEGcTntBQjQG7EIChBgEJfTXoAAvRGLoAABBnE57QUI0BuxCAr8AzsNgrcLKn5TAAAAAElFTkSuQmCC</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="true" codify="false" inheritance="false" sublistIDs="false" scheduled="true" 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></scripts><sprites><sprite name="Person" idx="1" x="0" y="0" heading="5" 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="sick" center-x="8" center-y="9.5" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAASCAYAAABSO15qAAABJUlEQVQ4T+2UMS8EURSFvztr30iURCRkZjdR+Q0S0VDRqijZSqXQqBQUKtVSUml1NEj8BpVkdyYKEa3EzNq5Ymd2zKxNmKm97t37zpeT9949wsBSsDC1NUTnUdxeW/BQuSdsXwhEWYlkN2o72yB7KBOD4AT0CrovgX/c76cANe4ZsD5U+LN4LqG3EZsD1HaaqGz9URwfEz2RwG+I2s4KKpeFxKl/XRW13VuUhXIA7kSNq6XEiegf8PWaxg2BasmL7Iga5wBktxxAD0WZHqc68oAwWQiivND5mEu+cn0Jja4KAcRalqB1/T1Mo+4iEafA7C+gRyw25d27SYepL4izwNmBSgOieh5ktaDbJPSPspmQy4NcNozVpgi7M72aqTzJW/t5mLNP4apcDcUYgvEAAAAASUVORK5CYII=" id="10"/></item><item><costume name="not sick" center-x="9" center-y="9.75" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAASCAYAAABWzo5XAAAA90lEQVQ4T63Uvy4EQRgA8N8WOpUE0ehpFBQqynsBfxLhAfAGFEjEG7juqrso8AJKGhqJygNoJBKdB5DZ7MhkM5dzuzfdzvd9v5nJtzOF/FjAHtaxWKV84AU3+KyXFRnnEqdDFojTV/WcFJrGPTojkBh+wBZ+wkQK3VWBfzplWlh4O4WOcD2OkOQeoxt39IiNhtATNgO0hPeGSCxbDtA5zlpCF5OCyq5NYkclFNp32/Jof//RN2baYLH9XRy2gIoIreIZUw2wNbymV2Qf/TGhAwzqdy1876CHcIFHjd20SblnZA4n1Xs0O0Sbx1cay0FpfAVvNSxb8wsQ0x+4sDN8RQAAAABJRU5ErkJggg==" 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><block s="doSetVar"><l>time</l><l>0</l></block><block s="doSetVar"><l>infected</l><l>0</l></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="doAsk"><l>How large is the population? (1 to 200)</l></block><block s="doSetVar"><l>population</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>What percentage is already infected? (1 to 100).</l></block><block s="doSetVar"><l>percent initially sick</l><block s="getLastAnswer"></block></block><block s="doAsk"><l>How fast does the disease spread? (1 to 10).</l></block><block s="doSetVar"><l>speed</l><block s="getLastAnswer"></block></block><block s="show"></block><block s="doRepeat"><block var="population"/><script><block s="createClone"><l><option>myself</option></l></block></script></block><block s="hide"></block><block s="doResetTimer"></block><block s="doUntil"><block s="reportEquals"><block var="infected"/><block var="population"/></block><script><block s="doSetVar"><l>time</l><block s="getTimer"></block></block></script></block><block s="doStopThis"><l><option>all</option></l></block></script><script x="29" y="463"><block s="receiveOnClone"></block><block s="doSwitchToCostume"><l>not sick</l></block><block s="doIf"><block s="reportLessThan"><block var="infected"/><block s="reportProduct"><block var="population"/><block s="reportQuotient"><block var="percent initially sick"/><l>100</l></block></block></block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>infected</l><l>1</l></block></script></block><block s="setHeading"><block s="reportRandom"><l>1</l><l>360</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><block s="doForever"><script><block s="doIf"><block s="reportGreaterThan"><block var="time"/><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 name</option></l><block s="reportGet"><l><option>self</option></l></block></block><l>not sick</l></block><script><block s="doIf"><custom-block s="touchSick?"></custom-block><script><block s="doSwitchToCostume"><l>sick</l></block><block s="doChangeVar"><l>infected</l><l>1</l></block></script></block></script></block></script></block></script></block></script></scripts></sprite><watcher var="speed" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher scope="Stage" s="getTimer" style="normal" x="113" y="5.000005999999985" color="4,148,220" hidden="true"/><watcher var="time" style="normal" x="396.8888888888889" y="5.777783777777756" color="243,118,29"/></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. The direction of the text is the direction the sprite is facing, and color will match the pen color.</comment><header></header><code></code><translations></translations><inputs><input type="%txt">Hello!</input><input type="%n">12</input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>text</l><l>size</l></list><l>var stage = this.parentThatIsA(StageMorph),&#xD;    context = stage.penTrails().getContext(&apos;2d&apos;),&#xD;    rotation = radians(this.direction() - 90),&#xD;    trans = new Point(&#xD;      this.center().x - stage.left(),&#xD;      this.center().y - stage.top()&#xD;    ),&#xD;    isWarped = this.Warped,&#xD;    len,&#xD;    pos;&#xD;&#xD;if (isWarped) {endWarp(); }&#xD;context.save();&#xD;context.font = size + &apos;px monospace&apos;;&#xD;context.textAlign = &apos;left&apos;;&#xD;context.textBaseline = &apos;alphabetic&apos;;&#xD;context.fillStyle = this.color.toString();&#xD;len = context.measureText(text).width;&#xD;trans = trans.multiplyBy(1 / stage.scale);&#xD;context.translate(trans.x, trans.y);&#xD;context.rotate(rotation);&#xD;context.fillText(text, 0, 0);&#xD;context.translate(-trans.x, -trans.y);&#xD;context.restore();&#xD;pos = new Point(&#xD;  len * Math.sin(radians(this.direction())),&#xD;  len * Math.cos(radians(this.direction())));&#xD;pos = pos.add(new Point(this.xPosition(), this.yPosition()));&#xD;this.gotoXY(pos.x, pos.y, false);&#xD;this.changed();&#xD;if (isWarped) {this.startWarp(); }&#xD;stage.changed();</l></block><list><block var="text"/><block var="size"/></list></block></script></block-definition><block-definition s="map %&apos;function&apos; over %&apos;lists&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%repRing"></input><input type="%mult%l"></input></inputs><script><block s="doWarp"><script><block s="doDeclareVariables"><list><l>mapone</l><l>mapmany</l></list></block><block s="doSetVar"><l>mapone</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="evaluate"><block var="mapone"/><list><block s="reportCDR"><block var="data"/></block></list></block></block></block></script><list><l>data</l></list></block></block><block s="doSetVar"><l>mapmany</l><block s="reifyScript"><script><block s="doIf"><custom-block s="empty? %l"><block s="reportListItem"><l>1</l><block var="data lists"/></block></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="function"/><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportListItem"><l>1</l><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></block><block s="evaluate"><block var="mapmany"/><list><custom-block s="map %repRing over %mult%l"><block s="reifyReporter"><autolambda><block s="reportCDR"><l/></block></autolambda><list></list></block><list><block var="data lists"/></list></custom-block></list></block></block></block></script><list><l>data lists</l></list></block></block><block s="doIfElse"><custom-block s="empty? %l"><block s="reportCDR"><block var="lists"/></block></custom-block><script><block s="doReport"><block s="evaluate"><block var="mapone"/><list><block s="reportListItem"><l>1</l><block var="lists"/></block></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="mapmany"/><list><block var="lists"/></list></block></block></script></block></script></block></script></block-definition><block-definition s="empty? %&apos;data&apos;" type="predicate" category="lists"><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><block-definition s="keep items such that %&apos;pred&apos; from %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations></translations><inputs><input type="%predRing"></input><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doIf"><custom-block s="empty? 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