<snapdata remixID="9301061"><project name="M6L4A2" 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" 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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><watcher scope="Brick-drawer" s="xPosition" style="normal" x="10" y="10" color="74,108,212"/><watcher scope="Brick-drawer" s="yPosition" style="normal" x="10" y="31.000001999999995" color="74,108,212"/><sprite name="Brick-drawer" idx="1" x="200" y="70" heading="270" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="10"><costumes><list struct="atomic" id="11"></list></costumes><sounds><list struct="atomic" id="12"></list></sounds><blocks></blocks><variables></variables><scripts><script x="55" y="77"><block s="receiveGo"></block><block s="clear"></block><custom-block s="Draw Brick Wall with rows: %n bricks per row: %n of brick length: %n Width: %n Gap Thickness: %n"><l>10</l><l>9</l><l>40</l><l>20</l><l>5</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><block var="flag"/></custom-block></script></block-definition><block-definition s="row A %&apos;bricks&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="doRepeat"><block var="bricks"/><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></script></block></script></block-definition><block-definition s="row B %&apos;bricks&apos; 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