<snapdata remixID="9128038"><project name="U2L12-brickwall - starter" 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="-21" y="168" 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="297.000001" y="455.80000100000007"><block s="gotoXY"><l>0</l><l>0</l></block><custom-block s="row a"></custom-block><block s="gotoXY"><l>0</l><l>12</l></block><custom-block s="row b"></custom-block><block s="changeXPosition"><block s="reportProduct"><l>12</l><block var="number"/></block></block><block s="changeYPosition"><block s="reportProduct"><l>12</l><block var="number"/></block></block></script><script x="523" y="451.79999999999995"><block s="doRepeat"><block var="number"/><script><custom-block s="row a"></custom-block><block s="up"></block><block s="doGlide"><l>1</l><l>0</l><l>0</l></block><block s="changeXPosition"><block s="reportProduct"><l></l><block var="number"/></block></block><block s="changeYPosition"><block s="reportProduct"><l>12</l><block var="number"/></block></block><custom-block s="row b"></custom-block></script></block></script><script x="25" y="42"><custom-block s="draw brick wall with %n rows"><l>7</l></custom-block></script><script x="466" y="43"><block s="clear"></block><block s="gotoXY"><l>0</l><l>0</l></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 %b"><l>Flat line ends</l><block var="flag"/></custom-block></script></block-definition><block-definition s="draw brick wall with %&apos;number&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doRepeat"><block var="number"/><script><custom-block s="row a"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>12</l></block><custom-block s="row b"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>12</l></block></script></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="up"></block><block s="forward"><l>3</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><custom-block s="draw brick, length: %n width: %n"><l>15</l><l>10</l></custom-block><block s="up"></block><block s="forward"><l>3</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="up"></block><block s="forward"><l>3</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>15</l><l>10</l></custom-block><block s="up"></block><block s="forward"><l>3</l></block></script></block-definition></blocks><variables></variables></project><media name="U2L12-brickwall - starter" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>