<snapdata remixID="8447030"><project name="U2L4-brickwall" app="Snap! 5.1, 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" 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="-150" 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="314" y="375"><block s="clear"></block><block s="gotoXY"><l>-100</l><l>0</l></block><custom-block s="Draw Brick Wall With %n Rows"><l>5</l></custom-block></script><script x="249" y="295"><custom-block s="draw brick, length: %n width: %n"><l>10</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 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s="doReport"><block s="reportEquals"><block s="reportModulus"><block var="Input1"/><block var="Input2"/></block><l>0</l></block></block></script></block-definition><block-definition s="Even %&apos;Input1&apos; ?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doReport"><custom-block s="%n Divisible By %n ?"><block var="Input1"/><l>2</l></custom-block></block></script></block-definition></blocks><variables></variables></project><media name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>