<snapdata remixID="8942078"><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 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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><sprite name="Sprite" idx="1" x="-150" y="-150" 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="20" y="20"><block s="receiveGo"></block><block s="clear"></block><block s="gotoXY"><l>-150</l><l>150</l></block></script><script x="20" y="112"><block s="receiveKey"><l><option>space</option></l></block><custom-block s="row A"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block><custom-block s="row B"></custom-block><block s="changeYPosition"><l>-15</l></block><block s="turn"><l>180</l></block></script><script x="241.6416035625" y="427.80000199999995"><custom-block s="even? %s"><block var="i"/></custom-block></script><script x="268" y="27"><block s="turn"><l>180</l></block></script><script x="300" y="303"><block s="receiveKey"><l><option>0</option></l></block><custom-block s="draw brick wall with %n rows"><l>7</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 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" 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" 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