<snapdata remixID="8718992"><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="-100" y="-4.177991286269389e-12" 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="20" y="20"><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block></script><script x="20" y="59"><block s="doShowVar"><l>rowNumber</l></block></script><script x="20" y="99"><block s="clear"></block><block s="up"></block><block s="gotoXY"><l>-100</l><l>50</l></block><block s="down"></block></script><script x="20" y="192"><block s="up"></block><block s="gotoXY"><l>-100</l><l>30</l></block><block s="down"></block></script><script x="20" y="267"><custom-block s="draw Brick wall with %s rows"><l>5</l></custom-block></script><script x="20" y="306"><custom-block s="draw Brick wall with %s rows"><l>2</l></custom-block></script></scripts></sprite><watcher var="rowNumber" style="normal" x="10" y="10" color="243,118,29"/></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><block var="flag"/></custom-block></script></block-definition><block-definition s="rowA" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doRepeat"><l>6</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="up"></block><block s="changeXPosition"><l>5</l></block><block s="down"></block></script></block></script></block-definition><block-definition s="rowB" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="down"></block><custom-block s="draw brick, length: %n width: %n"><l>12.5</l><l>10</l></custom-block><block s="up"></block><block s="changeXPosition"><l>5</l></block><block s="doRepeat"><l>5</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="up"></block><block s="changeXPosition"><l>5</l></block><block s="down"></block></script></block><block s="down"></block><custom-block s="draw brick, length: %n width: %n"><l>12.5</l><l>10</l></custom-block><block s="up"></block><block s="changeXPosition"><l>5</l></block></script></block-definition><block-definition s="%&apos;number&apos; divisble by? %&apos;number 2&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doReport"><block s="reportEquals"><block s="reportModulus"><block var="number"/><block var="number 2"/></block><l>0</l></block></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="doReport"><block s="reportEquals"><block s="reportModulus"><block var="number"/><l>2</l></block><l>0</l></block></block></script></block-definition><block-definition s="integer? %&apos;number&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block s="reportEquals"><block s="reportModulus"><block var="number"/><l>1</l></block><l>0</l></block></block></script></block-definition><block-definition s="%&apos;number&apos; between? %&apos;number 2&apos; and %&apos;number 3&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="doReport"><block s="reportAnd"><block s="reportLessThan"><block var="number"/><block var="number 3"/></block><block s="reportGreaterThan"><block var="number"/><block var="number 2"/></block></block></block></script></block-definition><block-definition s="draw Brick wall with %&apos;rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="clear"></block><block s="up"></block><block s="doGlide"><l>1</l><l>-100</l><l>100</l></block><block s="down"></block><block s="doSetVar"><l>rowNumber</l><l>0</l></block><block s="doUntil"><block s="reportEquals"><block var="rows"/><block var="rowNumber"/></block><script><block s="doIfElse"><block s="reportEquals"><custom-block s="even? %s"><block var="rowNumber"/></custom-block><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><custom-block s="rowA"></custom-block><block s="up"></block><block s="doChangeVar"><l>rowNumber</l><l>1</l></block><block s="doGlide"><l>1</l><l>-100</l><block s="reportDifference"><block s="yPosition"></block><l>20</l></block></block><block s="down"></block></script><script><custom-block s="rowB"></custom-block><block s="doChangeVar"><l>rowNumber</l><l>1</l></block><block s="doGlide"><l>1</l><l>-100</l><block s="reportDifference"><block s="yPosition"></block><l>20</l></block></block></script></block></script></block></script></block-definition><block-definition s="odd? %&apos;number&apos;" type="command" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block s="reportEquals"><block s="reportModulus"><block var="number"/><l>2</l></block><l>1</l></block></block></script></block-definition></blocks><variables><variable name="rowNumber"><l>5</l></variable></variables></project><media name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>