<snapdata remixID="8702100"><project name="U2L4RobotinaMaze-CHALLENGE" app="Snap! 5.1, 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" volume="100" pan="0" lines="round" ternary="true" codify="false" inheritance="false" sublistIDs="false" scheduled="false" 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id="36"/></item></list></costumes><sounds><list struct="atomic" id="37"></list></sounds><blocks></blocks><variables></variables><scripts><script x="13.199999999999989" y="10"><block s="receiveKey"><l><option>space</option></l></block><block s="setColor"><color>13,0,209,1</color></block><block s="setSize"><l>5</l></block><block s="down"></block><custom-block s="Escape Maze 4"></custom-block></script><script x="202.20000000000005" y="10.666666666666686"><block s="receiveGo"></block><block s="doWait"><l>.5</l></block><custom-block s="Go To Start"></custom-block></script><script x="12.333333333333314" y="186.19999999999987"><custom-block s="Go To Start"></custom-block></script><script x="10.333333333333314" y="224.46666666666653"><custom-block s="Rotate Right"></custom-block></script><comment x="10" y="254.40000000000038" w="223.0666666666667" collapsed="false">Edit these remaining blocks to solve other mazes. Be sure to swap with &quot;Escape Maze 1&quot; block.</comment><comment x="125.86666666666673" y="363.6666666666666" w="166" collapsed="false">Click on the Board sprite to access the maze drawing blocks.</comment><script x="13" y="468.59999999999945"><custom-block s="Escape Your Maze"><comment w="200.71428571428572" collapsed="false">Go to the Board Sprite to complete the Draw Your Maze block before completing the Escape Your Maze block here.</comment></custom-block></script><script x="216" y="186.00000000000006"><custom-block s="matrix Column"></custom-block></script><script x="216" y="207.99999999999994"><custom-block s="matrix Row"></custom-block></script><script x="215" y="230.00000000000006"><custom-block s="robot direction"></custom-block></script><script x="17.285714285714278" y="592.1428571428564"><custom-block s="Escape Any Maze"><comment w="90" collapsed="false">See if you can write a block to solve ANY maze.</comment></custom-block></script><comment x="373" y="533.8571428571421" w="90" collapsed="false">Challenge: Create the onBoard predicate, and the Escape Any Maze Block so that your Robot can solve any maze</comment><script x="105.47619047619048" y="546.1190476190469"><custom-block s="onBoard %s %s"><l></l><l></l></custom-block></script><script x="218.97619047619048" y="546.1190476190469"><custom-block s="onWall? %s %s"><l></l><l></l></custom-block></script><script x="200.47619047619048" y="571.3095238095232"><block s="reportTouchingObject"><l>Goal</l></block></script><script x="107" y="227.6666666666668"><custom-block s="Rotate Left"></custom-block></script><script x="130" y="187"><custom-block s="Move Forward"></custom-block></script><script x="390.20000000000005" y="178"><custom-block s="Escape Maze 1"><comment w="200.93333333333334" collapsed="false">Edit this block and write its code using only the four custom motion blocks in the palette and any Control blocks you need.</comment></custom-block></script><script x="504.20000000000005" y="262"><custom-block s="Escape Maze 2"></custom-block></script><script x="425.20000000000005" y="230"><custom-block s="Escape Maze 3"></custom-block></script><script x="373" y="71"><block s="bubble"><l>Hello!</l></block><custom-block s="even %s"><l>7</l></custom-block></script><script x="146" y="307.8"><block s="doReport"><l></l></block></script><script x="10" y="520.8"><block s="doReport"><l></l></block></script><script x="193.2" y="129"><custom-block s="Escape Maze 5"></custom-block></script></scripts></sprite><watcher var="step" style="normal" x="9.687500000000227" y="9.687500000000007" color="243,118,29" hidden="true"/><watcher var="Start" style="normal" x="9.687500000000227" y="30.031251937499988" color="243,118,29" hidden="true"/><watcher var="Goal" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher var="a" style="normal" x="10" y="103.000002" color="243,118,29" hidden="true"/></sprites></stage><hidden> forward turn turnLeft setHeading doFaceTowards gotoXY doGotoObject doGlide changeXPosition setXPosition changeYPosition setYPosition bounceOffEdge xPosition yPosition direction</hidden><headers></headers><code></code><blocks><block-definition s="Move Forward" type="command" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doWait"><l>0.5</l></block><block s="forward"><block var="step"/></block></script></block-definition><block-definition s="Rotate Right" type="command" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doWait"><l>0.5</l></block><block s="turn"><l>90</l></block></script></block-definition><block-definition s="Rotate Left" type="command" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doWait"><l>0.5</l></block><block s="turnLeft"><l>90</l></block></script></block-definition><block-definition s="Go To Start" type="command" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="up"></block><block s="setHeading"><l>0</l></block><block s="gotoXY"><block s="reportListItem"><l>1</l><block var="Start"/></block><block s="reportListItem"><l>2</l><block var="Start"/></block></block><block s="down"></block><custom-block s="tell %s to %cs"><l>Goal</l><script><block s="up"></block><block s="gotoXY"><block s="reportListItem"><l>1</l><block var="Goal"/></block><block s="reportListItem"><l>2</l><block var="Goal"/></block></block><block s="down"></block></script></custom-block></script></block-definition><block-definition s="Draw Square size: %&apos;size&apos; color: %&apos;Color&apos;" type="command" category="other"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%txt"></input></inputs><script><block s="setHeading"><l>90</l></block><block s="setColor"><color>230,10,0,1</color></block><block s="down"></block><block s="doRepeat"><l>4</l><script><block s="forward"><block var="size"/></block><block s="turn"><l>90</l></block></script></block><block s="doIfElse"><block s="reportEquals"><block var="Color"/><l>0</l></block><script><block s="setColor"><color>150,150,150,1</color></block></script><script><block s="setColor"><color>255,255,255,1</color></block></script></block><block s="up"></block><block s="setHeading"><l>135</l></block><block s="forward"><l>10</l></block><block s="floodFill"></block><block s="forward"><l>-10</l></block><block s="setHeading"><l>90</l></block></script></block-definition><block-definition s="Draw Board %&apos;board matrix&apos;" type="command" category="other"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doWarp"><script><custom-block s="for %upvar = %n to %n %cs"><l>j</l><l>1</l><l>8</l><script><block s="gotoXY"><l>-160</l><block s="reportDifference"><l>160</l><block s="reportProduct"><block s="reportDifference"><block var="j"/><l>1</l></block><block var="step"/></block></block></block><custom-block s="for %upvar = %n to %n %cs"><l>i</l><l>1</l><l>8</l><script><custom-block s="Draw Square size: %n color: %txt"><block var="step"/><block s="reportListItem"><block var="i"/><block s="reportListItem"><block var="j"/><block var="board matrix"/></block></block></custom-block><block s="changeXPosition"><block var="step"/></block></script></custom-block><block s="changeYPosition"><block var="step"/></block></script></custom-block></script></block></script></block-definition><block-definition s="Draw Maze 2" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="clear"></block><block s="doSetVar"><l>step</l><l>40</l></block><block s="doSetVar"><l>board matrix</l><block s="reportNewList"><list><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>1</l><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>1</l><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>1</l><l>1</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l><l>1</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l><l>1</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l><l>1</l></list></block></custom-block></list></block></block><custom-block s="Draw Board %l"><block var="board matrix"/></custom-block><block s="doSetVar"><l>Start</l><block s="reportNewList"><list><l>140</l><l>-140</l></list></block></block><block s="doSetVar"><l>Goal</l><block s="reportNewList"><list><l>-140</l><l>140</l></list></block></block></script></block-definition><block-definition s="Draw Maze 3" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="clear"></block><block s="doSetVar"><l>step</l><l>40</l></block><block s="doSetVar"><l>board matrix</l><block s="reportNewList"><list><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l><l>1</l><l>1</l><l>1</l></list></block></custom-block></list></block></block><custom-block s="Draw Board %l"><block var="board matrix"/></custom-block><block s="doSetVar"><l>Start</l><block s="reportNewList"><list><l>140</l><l>-140</l></list></block></block><block s="doSetVar"><l>Goal</l><block s="reportNewList"><list><l>-140</l><l>140</l></list></block></block></script></block-definition><block-definition s="Draw Maze 5" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="clear"></block><block s="doSetVar"><l>step</l><l>40</l></block><block s="doSetVar"><l>board matrix</l><block s="reportNewList"><list><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>1</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l><l>1</l></list></block></custom-block></list></block></block><custom-block s="Draw Board %l"><block var="board matrix"/></custom-block><block s="doSetVar"><l>Start</l><block s="reportNewList"><list><l>140</l><l>-140</l></list></block></block><block s="doSetVar"><l>Goal</l><block s="reportNewList"><list><l>-140</l><l>140</l></list></block></block></script></block-definition><block-definition s="Draw Your Maze" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="clear"></block><block s="doSetVar"><l>step</l><l>40</l></block><block s="doSetVar"><l>board matrix</l><block s="reportNewList"><list><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block><custom-block s="row of maze %l"><block s="reportNewList"><list><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l><l>0</l></list></block></custom-block></list></block></block><custom-block s="Draw Board %l"><block var="board matrix"/></custom-block><block s="doSetVar"><l>Start</l><block s="reportNewList"><list><l>140</l><l>-140</l></list></block></block><block s="doSetVar"><l>Goal</l><block s="reportNewList"><list><l>-140</l><l>140</l></list></block></block></script></block-definition><block-definition s="Escape Maze 2" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doRepeat"><l>7</l><script><custom-block s="Rotate Left"></custom-block><custom-block s="Move Forward"></custom-block><custom-block s="Rotate Right"></custom-block><custom-block s="Move 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%&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%cs"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doRun"><block var="action"/><list></list></block></script><list><l>cont</l></list></block></block><custom-block s="ignore %s"><l>3</l></custom-block></script></block-definition><block-definition s="throw %&apos;cont&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input></inputs><script><block s="doRun"><block var="cont"/><list></list></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;value&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%upvar"></input><input type="%anyUE"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doReport"><block s="evaluate"><block var="value"/><list></list></block></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;tag&apos; %&apos;value&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">catchtag</input><input type="%s"></input></inputs><script><block s="doRun"><block var="tag"/><list><block var="value"/></list></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="if %&apos;test&apos; do %&apos;action&apos; and pause all $pause-1-255-220-0" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%boolUE"></input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>breakpoint</l></list></block><block s="doIf"><block s="evaluate"><block var="test"/><list></list></block><script><block s="doSetVar"><l>breakpoint</l><block var="test"/></block><block s="doShowVar"><l>breakpoint</l></block><block s="doRun"><block var="action"/><list></list></block><block s="doPauseAll"></block><block s="doHideVar"><l></l></block></script></block></script></block-definition><block-definition s="word $arrowRight list %&apos;word&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%txt"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportTextSplit"><block var="word"/><l><option>letter</option></l></block></block></script></block></script></block-definition><block-definition s="ignore %&apos;x&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs></block-definition><block-definition s="tell %&apos;sprite&apos; to %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%cs"></input></inputs><script><block s="doRun"><block s="reportAttributeOf"><block var="action"/><block var="sprite"/></block><list></list></block></script></block-definition><block-definition s="ask %&apos;sprite&apos; for %&apos;expression&apos;" type="reporter" category="control"><header></header><code></code><translations></translations><inputs><input type="%s">Sprite</input><input type="%repRing"></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportAttributeOf"><block var="expression"/><block var="sprite"/></block><list></list></block></block></script></block-definition><block-definition s="list $arrowRight word %&apos;list&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="doWarp"><script><block s="doReport"><block s="reportJoinWords"><block var="list"/></block></block></script></block></script></block-definition><block-definition s="Escape Any Maze" type="command" category="other"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doUntil"><block s="reportTouchingObject"><l>Goal</l></block><script><custom-block s="Move Forward"><comment w="90" collapsed="false">Change the contents of the repeat until loop to make the robot escape any maze.&#xD;(ie get to the goal)&#xD;</comment></custom-block></script></block><block s="doSayFor"><l>I WIN!</l><l>2</l></block></script></block-definition><block-definition s="robot direction" type="reporter" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><block s="reportRound"><block s="reportModulus"><block s="reportQuotient"><block s="direction"></block><l>90</l></block><l>4</l></block></block></block></script></block-definition><block-definition s="onBoard %&apos;row&apos; %&apos;col&apos;" type="predicate" category="other"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doReport"><l></l></block></script><scripts><comment x="55.71428571428572" y="102.28571428571428" w="90" collapsed="false">This block should report False, if the row is not on the board, or the col is not on the board.&#xD;&#xD;It should report True if the row and col are both on the board.</comment></scripts></block-definition><block-definition s="even" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="x"/><l>2</l></block><l>0</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="even %&apos;x&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="x"/><l>2</l></block><l>0</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition></blocks><variables><variable name="step"><l>40</l></variable><variable name="Start"><list struct="atomic" id="2042">140,-140</list></variable><variable name="board matrix"><list id="2043"><item><list struct="atomic" id="2044">1,0,0,0,0,0,0,0</list></item><item><list struct="atomic" id="2045">1,1,1,1,1,1,1,1</list></item><item><list struct="atomic" id="2046">0,0,0,0,0,0,0,1</list></item><item><list struct="atomic" id="2047">0,0,0,0,0,0,0,1</list></item><item><list struct="atomic" id="2048">1,1,1,1,1,1,1,1</list></item><item><list struct="atomic" id="2049">1,0,0,0,0,0,0,0</list></item><item><list struct="atomic" id="2050">1,0,0,0,0,0,0,0</list></item><item><list struct="atomic" id="2051">1,1,1,1,1,1,1,1</list></item></list></variable><variable name="Goal"><list struct="atomic" id="2052">-140,140</list></variable><variable name="a"><l>0</l></variable></variables></project><media name="U2L4RobotinaMaze-CHALLENGE" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>