<snapdata remixID="9225914"><project name="U2L4 - Brick Wall" 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="0" y="-180" 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="51" y="143.00000000000006"><block s="receiveGo"></block><block s="up"></block><block s="clear"></block><block s="gotoXY"><l>0</l><l>0</l></block><custom-block s="draw brick wall with %n rows"><l>12</l></custom-block></script></scripts></sprite><watcher var="gap" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher var="bricks" style="normal" x="10" y="31.00000199999998" color="243,118,29" hidden="true"/><watcher var="row" style="normal" x="10" y="10" 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="row A bricks %&apos;bricks&apos; length %&apos;length&apos; width %&apos;width&apos; gap %&apos;gap&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><block s="doRepeat"><block var="bricks"/><script><custom-block s="draw brick, length: %n width: %n"><block var="length"/><block var="width"/></custom-block><block s="up"></block><block s="forward"><block var="gap"/></block><block s="down"></block></script></block></script></block-definition><block-definition s="row B bricks %&apos;bricks&apos; length %&apos;length&apos; width %&apos;width&apos; gap %&apos;gap&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><custom-block s="draw brick, length: %n width: %n"><block s="reportQuotient"><block var="length"/><l>2</l></block><block var="width"/></custom-block><block s="doRepeat"><block s="reportDifference"><block var="bricks"/><l></l></block><script><block s="up"></block><block s="forward"><block var="gap"/></block><block s="down"></block><custom-block s="draw brick, length: %n width: %n"><block var="length"/><block var="width"/></custom-block></script></block><block s="forward"><block var="gap"/></block><block s="down"></block><custom-block s="draw brick, length: %n width: %n"><block s="reportQuotient"><block var="length"/><l>2</l></block><block var="width"/></custom-block></script></block-definition><block-definition s="Draw Wall rows %&apos;rows&apos; bricks %&apos;bricks&apos; length %&apos;length&apos; width %&apos;width&apos; gap %&apos;gap&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs></block-definition><block-definition s="even? %&apos;number&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block s="reportEquals"><block s="reportModulus"><block var="number"/><l>2</l></block><l>0</l></block></block></script></block-definition><block-definition s="row A" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doRepeat"><l>6</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>6</l></block></script></block></script></block-definition><block-definition s="row B" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="forward"><l>6</l></block><custom-block s="draw brick, length: %n width: %n"><l>12</l><l>10</l></custom-block><block s="forward"><l>6</l></block><block s="doRepeat"><l>5</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>6</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>12</l><l>10</l></custom-block></script></block-definition><block-definition s="draw brick wall with %&apos;rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block var="rows"/><script><block s="doIfElse"><custom-block s="even? %s"><block 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