<snapdata remixID="9256195"><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="110" y="10" 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="13.666666666666657" y="25.333333333333343"><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block></script><script x="13" y="70"><custom-block s="rowA"></custom-block></script><script x="14" y="113"><custom-block s="rowB"></custom-block></script><script x="16.666666666666686" y="156"><block s="clear"></block></script><script x="16" y="196"><block s="receiveGo"></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 var="width"/></block><block s="down"></block><block s="forward"><block var="length"/></block><block 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http://snap.berkeley.edu" version="1"></media></snapdata>