<snapdata remixID="9244360"><project name="U2L4-brickwall" app="Snap! 5.4, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAADAElEQVR4nO3ZoWuVYRSA8f0bm2iw2AxisAxhOFC0iVVMCwaDzaLiBL1wgwaDcX+FMJwTy8AqBr3ClhYuDFYGY8KOzaLh3uv33ud8x+cHt328nPDAe3nPQkigBXoA/d8MUCgDFMoAhTJAoQxQKAMUygCFMkChDFAoAxTKAIUyQKEMUCgDFMoAhTJAoQxQKAMUygCFMkChDFAoAxTKAIUyQKEMUCgDFMoAhTJAoQxQKAMUygCFMkChDFAoAxTKAIUyQKEMUCgDFMoAhSoT4OaDwUS/Wb5veXbrWbIrE+DrpWsT/Wb5vuXZrWfJzgANEGWABogqE6D6qUyAXfzBP9zbn+jbw739qc+e9yx9USbALq63neHGRN/uDDemPnves/SFARogygANEFUmQPVTmQAzbR8yzZJdmQBbXoctz249S3YGaIAoAzRAVJkA1U9lAsywfXATMr0yAXZxvfkOOH8GaIAoAzRAVJkA1U9lAsy0fcg0S3ZlAmx5HbY8u/Us2RmgAaIM0ABRZQJUP5UJMMP2wU3I9MoE2MX15jvg/BmgAaIM0ABRZQJUP5UJMNP2IdMs2ZUJsOV12PLs1rNkZ4AGiDJAA0SVCVD9VCbADNsHNyHTKxNgF9eb74DzZ4AGiDJAA0SVCVD9VCbATNuHTLNkVybAltdhy7Nbz5KdARogygANEFUmQPVTmQAzbB/chEyvTIBdXG++A86fARogygANEJU6wIODg7izciM+b32K8XhMj6MGUgcYETEajWJ4bjUGZ1bi6cWbMVh7GNvb2/RY6kj6ACMiPr7bjFd/uX7uLV6KF+vP4+fJSZyentJjaga9CPDH91GsL139I8DHi8sxXL0bbx6tx+7uLj2mZtCLAJ9duP47uvtnr8TbJy/j25evcXx8TI+mf5Q6wKOjo7h9/nKsLd+KD++36HHUQOoAVZ8BCmWAQhmgUAYolAEKZYBCGaBQBiiUAQplgEIZoFAGKJQBCmWAQhmgUAYolAEKZYBCGaBQBiiUAQplgEIZoFC/AOjLfjpgUFeNAAAAAElFTkSuQmCC</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="-89.99999999999642" y="-100.00000000000003" 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="25" y="124"><block s="receiveGo"></block><block s="gotoXY"><l>-90</l><l>50</l></block><block s="clear"></block><block s="down"></block><custom-block s="draw brick wall with %s rows"><l>10</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; 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