<snapdata remixID="9220941"><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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</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="-59.99999999999999" 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="30" y="65"><custom-block s="draw Brick Wall with %n rows"><l></l></custom-block></script><script x="28" y="123"><block s="clear"></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>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>15</l><l>10</l></custom-block><block s="forward"><l>5</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>5</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>15</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 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="gotoXY"><l>0</l><l>0</l></block><block s="clear"></block><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>-15</l></block><custom-block s="rowB"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script></block></script></block-definition><block-definition s="draw Brick Wall" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="gotoXY"><l>0</l><l>0</l></block><block s="clear"></block><block s="doRepeat"><l>3</l><script><custom-block s="row A"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block><custom-block s="rowB"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script></block></script></block-definition></blocks><variables></variables></project><media name="U2L4-brickwall" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>