<snapdata remixID="8917417"><project name="U3L1-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage 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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="45" 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="235" y="228"><block s="clear"></block></script><script x="343.000001" y="130.800001"><block s="down"></block></script><script x="188.000001" y="92.80000100000001"><block s="setColor"><color>255,255,255,1</color></block></script><script x="338" y="495"><custom-block s="row b"></custom-block></script><script x="280" y="202"><custom-block s="draw brick wall with %s rows"><l>4</l></custom-block></script><script x="408" y="54.80000000000001"><block s="gotoXY"><l>-150</l><l>-15</l></block></script><script x="419.6416025625" y="257.800001"><block s="reportEquals"><block var="row#"/><l>1</l></block></script><script x="558" y="470.79999999999995"><block s="doIf"><l/><script></script></block></script><script x="10" y="407"><block s="reportEquals"><block s="reportModulus"><block var="row#"/><l>2</l></block><l>1</l></block></script><script x="758.0000009999999" y="463.80000100000007"><block s="up"></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 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{&#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 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