<snapdata remixID="8879148"><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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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="150" y="-65" 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="176" y="181"><custom-block s="Draw Brick Wall %s with Columns and %s rows"><l>5</l><l>6</l></custom-block></script><script x="28" y="324.00000000000034"><block s="forward"><l>5</l></block></script><script x="94.000001" y="169.46666766666647"><block s="doIf"><l/><script></script></block></script><script x="260" y="285"><block s="gotoXY"><l>-50</l><l>100</l></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><block var="flag"/></custom-block></script></block-definition><block-definition s="half brick length: %&apos;length&apos; width: %&apos;width&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></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 s="reportQuotient"><block var="length"/><l>2</l></block></block><block s="up"></block></script></block-definition><block-definition s="Draw Brick Wall %&apos;Number&apos; with Columns and %&apos;Number 2&apos; rows" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block var="Number 2"/><script><block s="doIfElse"><custom-block s="%s even?"><block var="i"/></custom-block><script><custom-block s="half brick length: %s width: %s"><l>30</l><l>10</l></custom-block><block s="forward"><l>5</l></block><block s="doRepeat"><block s="reportDifference"><block var="Number"/><l>2</l></block><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>5</l></block></script></block><custom-block s="half brick length: %s width: %s"><l>30</l><l>10</l></custom-block></script><script><block s="doRepeat"><block s="reportDifference"><block var="Number"/><l>1</l></block><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block 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