<snapdata remixID="9253804"><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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struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><watcher var="length" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><sprite name="Sprite" idx="1" x="150" y="-78" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="9"><costumes><list struct="atomic" id="10"></list></costumes><sounds><list struct="atomic" id="11"></list></sounds><blocks></blocks><variables></variables><scripts><script x="95.000001" y="68.33333433333246"><custom-block s="make brick wall with %s rows"><l>7</l></custom-block></script></scripts></sprite><watcher var="number" style="normal" x="10" y="31.000001999999995" color="243,118,29" hidden="true"/></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 %b"><l>Flat line ends</l><block var="flag"/></custom-block></script></block-definition><block-definition s="rowA" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doFor"><l>i</l><l>1</l><l>10</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>5</l></block></script></block></script></block-definition><block-definition s="rowB" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="draw brick, length: %n width: %n"><l>12.5</l><l>10</l></custom-block><block s="forward"><l>5</l></block><block s="doFor"><l>i</l><l>1</l><l>9</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>5</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>12.5</l><l>10</l></custom-block><block s="forward"><l>5</l></block></script></block-definition><block-definition s="finish" type="predicate" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><l></l></block></script></block-definition><block-definition s="make brick wall with %&apos;# rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="gotoXY"><l>100</l><l>0</l></block><block s="clear"></block><block s="doFor"><l>i</l><l>1</l><block s="reportQuotient"><block var="# rows"/><l>2</l></block><script><block s="setXPosition"><l>-200</l></block><custom-block s="rowA"></custom-block><block s="changeYPosition"><l>-13</l></block><block s="setXPosition"><l>-200</l></block><custom-block s="rowB"></custom-block><block s="changeYPosition"><l>-13</l></block></script></block><block s="doIf"><block s="reportEquals"><block s="reportModulus"><block var="# 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