<snapdata remixID="8765119"><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><watcher scope="Sprite" s="xPosition" style="normal" x="12.050694444444503" y="12.050694444444439" color="74,108,212" hidden="true"/><watcher scope="Sprite" s="yPosition" style="normal" x="21.772263071895054" y="69.76238394608659" color="74,108,212" hidden="true"/><sprite name="Sprite" idx="1" x="118.49090909090933" y="-59.99999999999997" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="10"><costumes><list struct="atomic" id="11"></list></costumes><sounds><list struct="atomic" id="12"></list></sounds><blocks></blocks><variables></variables><scripts><script x="20" y="20"><custom-block s="row 1"></custom-block></script><script x="20" y="56"><custom-block s="row 2"></custom-block></script><script x="147" y="15"><block s="clear"></block></script><script x="17" y="139"><custom-block s="draw Brick Wall with %n rows"><l>8</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, number of bricks: %&apos;number of bricks&apos; 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><input type="%n"></input></inputs><script><block s="doRepeat"><block var="number of bricks"/><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><block s="forward"><block s="reportQuotient"><block var="length"/><l>5</l></block></block></script></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 %b"><l>Flat line ends</l><block var="flag"/></custom-block></script></block-definition><block-definition s="row 1" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="draw brick, number of bricks: %n length: %n width: %n"><l>7</l><l>30</l><l>10</l></custom-block></script></block-definition><block-definition s="row 2" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="draw brick, number of bricks: %n length: %n width: %n"><l>1</l><block s="reportQuotient"><l>30</l><l>2.75</l></block><l>10</l></custom-block><block s="forward"><l>5</l></block><custom-block s="draw brick, number of bricks: %n length: %n width: %n"><l>6</l><l>30</l><l>10</l></custom-block><custom-block s="draw brick, number of bricks: %n length: %n width: %n"><l>1</l><block s="reportQuotient"><l>30</l><l>2.5</l></block><l>10</l></custom-block></script></block-definition><block-definition s="draw Brick Wall with %&apos;number of rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="gotoXY"><l>-130</l><l>100</l></block><block s="doRepeat"><block s="reportQuotient"><block var="number of rows"/><l>2</l></block><script><block s="gotoXY"><l>-130</l><block s="reportDifference"><block s="yPosition"></block><l>20</l></block></block><custom-block s="row 1"></custom-block><block s="gotoXY"><l>-130</l><block s="reportDifference"><block s="yPosition"></block><l>20</l></block></block><custom-block s="row 2"></custom-block></script></block></script></block-definition></blocks><variables></variables></project><media name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>