<snapdata remixID="8626633"><project name="L09 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="145" 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="175" y="89"><block s="clear"></block></script><script x="527" y="164"><block s="gotoXY"><l>-50</l><l>20</l></block><custom-block s="row b %s %s %s %s"><l>6</l><l>30</l><l>10</l><l></l></custom-block></script><script x="523" y="100"><block s="gotoXY"><l>-50</l><l>0</l></block><custom-block s="row a %s %s %s %s"><l>6</l><l>30</l><l>10</l><l></l></custom-block></script><script x="135" y="238"><block s="receiveGo"></block><custom-block s="Draw Brick Wall with %n Rows With bricks per row: %s Of brick length %s Width %s Gap thickness %s"><l>10</l><l>7</l><l>30</l><l>10</l><l>5</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 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