<snapdata remixID="8970763"><project name="U2L4-BRICKWALL" 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="flat" ternary="true" codify="false" inheritance="false" 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></scripts><sprites><sprite name="Sprite" idx="1" x="0" y="0" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="8"><costumes><list struct="atomic" id="9"></list></costumes><sounds><list struct="atomic" id="10"></list></sounds><blocks></blocks><variables></variables><scripts><script x="13" y="56.33333333333334"><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block></script><script x="76" y="347"><block s="gotoXY"><l>-100</l><l>0</l></block></script><script x="417" y="68"><custom-block s="draw brick wall with %s rows with %s bricks per row of brick length: %s Width: %s gap thickness: %s"><l>5</l><l>6</l><l>40</l><l>15</l><l>12</l></custom-block></script></scripts></sprite></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="set flag %&apos;which&apos; to %&apos;tf&apos;" type="command" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true"><options>Presentation mode&#xD;Retina display support&#xD;Long form input dialog&#xD;Plain prototype labels&#xD;Input sliders&#xD;Execute on slider change&#xD;Clicking sound&#xD;Turbo mode&#xD;Flat design&#xD;Keyboard editing&#xD;Table support&#xD;Table lines&#xD;Visible stepping&#xD;Thread safe scripts&#xD;Prefer smooth animations&#xD;Flat line ends&#xD;Codification support&#xD;Inheritance support</options></input><input type="%b"></input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>which</l><l>tf</l></list><l>var   stage = this.parentThatIsA(StageMorph),&#xD;        ide = stage.parentThatIsA(IDE_Morph),&#xD;        world = stage.parentThatIsA(WorldMorph);&#xD;&#xD;if (tf != !!tf) return;&#xD;&#xD;try{&#xD;ide.savingPreferences = false;&#xD;&#xD;switch (which) {&#xD;    case &apos;Presentation mode&apos;:&#xD;        if (tf != ide.isAppMode) ide.toggleAppMode();&#xD;        break;&#xD;    case &apos;Retina display support&apos;:&#xD;        if (tf != isRetinaEnabled()) ide.toggleRetina();&#xD;        break;&#xD;    case &apos;Long form input dialog&apos;:&#xD;        if (tf != InputSlotDialogMorph.prototype.isLaunchingExpanded)&#xD;            ide.toggleLongFormInputDialog();&#xD;        break;&#xD;    case &apos;Plain prototype labels&apos;:&#xD;        if (tf != BlockLabelPlaceHolderMorph.prototype.plainLabel)&#xD;            ide.togglePlainPrototypeLabels();&#xD;        break;&#xD;    case &apos;Input sliders&apos;:&#xD;        MorphicPreferences.useSliderForInput = tf;&#xD;        break;&#xD;    case &apos;Execute on slider change&apos;:&#xD;        ArgMorph.prototype.executeOnSliderEdit = tf;&#xD;        break;&#xD;    case &apos;Clicking sound&apos;:&#xD;        if (tf != !!BlockMorph.prototype.snapSound)&#xD;            BlockMorph.prototype.toggleSnapSound();&#xD;        break;&#xD;    case &apos;Turbo mode&apos;:&#xD;        if (tf != stage.isFastTracked)&#xD;            ide.toggleFastTracking();&#xD;        break;&#xD;    case &apos;Flat design&apos;:&#xD;        if (tf == MorphicPreferences.isFlat) break;&#xD;        if (tf)&#xD;            ide.flatDesign();&#xD;        else&#xD;            ide.defaultDesign();&#xD;        break;&#xD;    case &apos;Keyboard editing&apos;:&#xD;            ScriptsMorph.prototype.enableKeyboard = tf;&#xD;        break;&#xD;    case &apos;Table support&apos;:&#xD;            List.prototype.enableTables = tf;&#xD;        break;&#xD;    case &apos;Table lines&apos;:&#xD;                TableMorph.prototype.highContrast = tf;&#xD;        break;&#xD;    case &apos;Visible stepping&apos;:&#xD;        if (tf != Process.prototype.enableSingleStepping)&#xD;            ide.toggleSingleStepping();&#xD;        break;&#xD;    case &apos;Thread safe scripts&apos;:&#xD;        stage.isThreadSafe = tf;&#xD;        break;&#xD;    case &apos;Prefer smooth animations&apos;:&#xD;        if (tf != (StageMorph.prototype.frameRate &gt; 0))&#xD;            ide.toggleVariableFrameRate();&#xD;        break;&#xD;    case &apos;Flat line ends&apos;:&#xD;        SpriteMorph.prototype.useFlatLineEnds = tf;&#xD;        break;&#xD;    case &apos;Codification support&apos;:&#xD;        if (tf != StageMorph.prototype.enableCodeMapping) {&#xD;            StageMorph.prototype.enableCodeMapping = tf;&#xD;            ide.currentSprite.blocksCache.variables = null;&#xD;            ide.currentSprite.paletteCache.variables = null;&#xD;            ide.refreshPalette();&#xD;        }&#xD;        break;&#xD;    case &apos;Inheritance support&apos;:&#xD;        if (tf != StageMorph.prototype.enableInheritance) {&#xD;            StageMorph.prototype.enableInheritance = tf;&#xD;            ide.currentSprite.blocksCache.variables = null;&#xD;            ide.currentSprite.paletteCache.variables = null;&#xD;            ide.refreshPalette();&#xD;        }&#xD;        break;&#xD;};&#xD;}&#xD;finally {&#xD;ide.savingPreferences = false;&#xD;};&#xD;</l></block><list><block var="which"/><block var="tf"/></list></block></script></block-definition><block-definition s="draw brick, length: %&apos;length&apos; width: %&apos;width&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input></inputs><script><block s="setColor"><color>145,26,68,1</color></block><custom-block s="set flat line ends to %b"><block s="reportBoolean"><l><bool>true</bool></l></block></custom-block><block s="setSize"><block var="width"/></block><block s="down"></block><block s="forward"><block var="length"/></block><block s="up"></block></script></block-definition><block-definition s="set flat line ends to %&apos;flag&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%b"></input></inputs><script><custom-block s="set flag %s to %b"><l>Flat line ends</l><l><bool>true</bool></l></custom-block></script></block-definition><block-definition s="rowA %&apos;bricksperrow&apos; %&apos;bricklength&apos; %&apos;width&apos; %&apos;tickness&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input><input type="%s"></input><input type="%s"></input></inputs><script><block s="doRepeat"><block var="bricksperrow"/><script><custom-block s="draw brick, length: %n width: %n"><block var="bricklength"/><block var="width"/></custom-block><block s="forward"><block var="tickness"/></block><block s="doWait"><l>.5</l></block></script></block></script></block-definition><block-definition s="rowB %&apos;bricksperrow&apos; %&apos;length&apos; %&apos;width&apos; %&apos;thickness&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input><input type="%s"></input><input type="%s"></input></inputs><script><block s="up"></block><custom-block s="draw brick, length: %n width: %n"><block s="reportQuotient"><block var="length"/><l>3</l></block><block var="width"/></custom-block><block s="forward"><block var="thickness"/></block><block s="doWait"><l>.5</l></block><block s="doRepeat"><block s="reportDifference"><block var="bricksperrow"/><l>1</l></block><script><custom-block s="draw brick, length: %n width: %n"><block var="length"/><block var="width"/></custom-block><block s="forward"><block var="thickness"/></block><block s="doWait"><l>.5</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><block s="reportQuotient"><block var="length"/><l>3</l></block><block var="width"/></custom-block><block s="forward"><block var="thickness"/></block><block s="doWait"><l>.5</l></block></script></block-definition><block-definition s="%&apos;number&apos; between %&apos;lower&apos; and %&apos;upper&apos; ?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportAnd"><block s="reportLessThan"><block var="number"/><block var="upper"/></block><block s="reportGreaterThan"><block var="number"/><block var="lower"/></block></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="is %&apos;number&apos; divisible by %&apos;input&apos; ?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="number"/><block var="input"/></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;number&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIfElse"><custom-block s="is %s divisible by %s ?"><block var="number"/><l>2</l></custom-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="draw brick wall with %&apos;numberofrows&apos; rows with %&apos;numberorbricksinrow&apos; bricks per row of brick length: %&apos;bricklength&apos; Width: %&apos;brickwidth&apos; gap thickness: %&apos;thickness&apos;" type="command" category="pen"><comment w="90" collapsed="false">Maria Cristina Garcia and Nia GIlmore.</comment><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input><input type="%s"></input><input type="%s"></input><input type="%s"></input></inputs><script><block s="gotoXY"><l>-100</l><l>0</l></block><block s="clear"></block><block s="doFor"><l>i</l><l>1</l><block var="numberofrows"/><script><block s="doIfElse"><custom-block s="even? %s"><block var="i"/></custom-block><script><custom-block s="rowB %s %s %s %s"><block var="numberorbricksinrow"/><block var="bricklength"/><block var="brickwidth"/><block var="thickness"/></custom-block><block s="setXPosition"><l>-100</l></block><block s="changeYPosition"><l>-20</l></block></script><script><custom-block s="rowA %s %s %s %s"><block var="numberorbricksinrow"/><block var="bricklength"/><block var="brickwidth"/><block var="thickness"/></custom-block><block s="setXPosition"><l>-100</l></block><block s="changeYPosition"><l>-20</l></block></script></block></script></block><block s="gotoXY"><l>0</l><l>0</l></block></script></block-definition></blocks><variables></variables></project><media name="U2L4-BRICKWALL" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>