<snapdata remixID="8971530"><project name="U2L4-brickwallpg3" 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="-4" y="-240" 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="40" y="208"><block s="gotoXY"><l>-100</l><l>0</l></block><block s="clear"></block></script><script x="54" y="284"><custom-block s="draw brick wall with %n rows with bricks per row %n of brick length %n width: %n gap thickness: %n"><l>8</l><l>7</l><l>40</l><l>20</l><l>5</l></custom-block></script><script x="24" y="135.00000000000006"><custom-block s="row B needs %n bricks with a brick length of %n and a brick width of %n and a space of %n in between each brick"><l>8</l><l>10</l><l>5</l><l>2</l></custom-block></script><script x="249" y="200.00000000000006"><block s="turnLeft"><l>180</l></block></script><script x="227" y="239.00000000000006"><block s="changeYPosition"><l>-15</l></block></script><script x="67" y="55.00000000000006"><custom-block s="row A needs %n bricks with a brick length of %n and a width of %n with a space of %n in between each brick"><l>8</l><l>10</l><l>5</l><l>2</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 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