<snapdata remixID="9274795"><project name="U2L4-brickwall" app="Snap! 5.4, 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" penlog="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="-90" 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="66.33333333333337" y="131.66666666666663"><custom-block s="set flat line ends to %b"><l/></custom-block></script><script x="10" y="10"><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block></script><script x="64.33333333333337" y="356.66666666666663"><custom-block s="row B"></custom-block></script><script x="45.33333333333337" y="263"><custom-block s="draw brick wall with %n rows"><l></l></custom-block></script><script x="47.33333333333337" y="307"><custom-block s="row A"></custom-block></script><script x="307.33333333333337" y="136"><block s="receiveGo"></block><block s="clear"></block><custom-block s="draw brick wall with %n rows"><l>7</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 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%n"><l>10</l><l>10</l></custom-block><block s="forward"><l>10</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="forward"><l>10</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>10</l><l>10</l></custom-block><block s="forward"><l>10</l></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="%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="%&apos;number&apos; divisible by 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