<snapdata remixID="8626657"><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><watcher var="bricks per row" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher var="gap thickness" style="normal" x="10" y="31.000001999999995" color="243,118,29" hidden="true"/><watcher var="brick length" style="normal" x="10" y="52.00000399999999" color="243,118,29" hidden="true"/><watcher var="brick width" style="normal" x="10" y="73.00000599999998" color="243,118,29" hidden="true"/><watcher var="number of rows" style="normal" x="10" y="94.00000799999998" color="243,118,29" hidden="true"/><sprite name="Sprite" idx="1" x="170" y="50" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="13"><costumes><list struct="atomic" id="14"></list></costumes><sounds><list struct="atomic" id="15"></list></sounds><blocks></blocks><variables></variables><scripts><script x="351" y="405.999999"><block s="gotoXY"><l>0</l><l>-20</l></block></script><script x="235" y="399.999999"><custom-block s="Row A %s %s %s %s"><l></l><l></l><l></l><l></l></custom-block></script><script x="460" y="431.79999999999995"><block s="doRepeat"><l>10</l><script></script></block></script><script x="221.810547875" y="313.800001"><block var="width"/></script><script x="168.90234575" y="359.800002"><block var="brick length"/></script><script x="299.810548875" y="384.800002"><block var="width"/></script><script x="238.90234475" y="478.80000100000007"><block s="reportProduct"><block var="brick length"/><l>.41667</l></block></script><script x="416.810547875" y="489.80000100000007"><block var="width"/></script><script x="293.90234575" y="520.800002"><block var="brick length"/></script><script x="377.810548875" y="539.800002"><block var="width"/></script><script x="271.5859385" y="437.80000100000007"><block var="gap thickness"/></script><script x="174" y="130.999999"><block s="doRepeat"><l>10</l><script></script></block></script><script x="10" y="271.8"><block s="doSetVar"><l>bricks per row</l><l>0</l></block></script><script x="363" y="209"><custom-block s="draw a Brick Wall with %n Rows with Bricks per Row: %s of Brick Length: %s Width: %s Gap Thickness: %s"><l>8</l><l>6</l><l>30</l><l>10</l><l>5</l></custom-block></script><script x="97" y="61"><block s="setHeading"><l>90</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: 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