<snapdata remixID="9015010"><project name=" brick wall" 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><sprite name="Sprite" idx="1" x="220" y="-430" heading="270" 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="94.999999" y="199"><custom-block s="draw brick walls with %n rows"><l>40</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="row1" 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><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="row2" 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><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><custom-block s="draw brick, length: %n width: %n"><l>12</l><l>10</l></custom-block></script></block-definition><block-definition s="even? %&apos;number&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></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="draw brick walls with %&apos;rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="gotoXY"><l>220</l><l>170</l></block><block s="setHeading"><l>270</l></block><block s="clear"></block><block s="doFor"><l>i</l><l>1</l><block var="rows"/><script><block s="doIfElse"><custom-block s="even? %n"><block var="i"/></custom-block><script><custom-block s="row1"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script><script><custom-block s="row2"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script></block></script></block></script></block-definition></blocks><variables></variables></project><media name=" brick wall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>