<snapdata remixID="9122058"><project name="U2L12-brickwall - starter" 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="90" y="45" 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="10" y="97.33333333333331"><custom-block s="draw brick, length: %n width: %n"><l>15</l><l>10</l></custom-block></script><script x="31" y="14"><block s="clear"></block></script><script x="20" y="191"><custom-block s="Draw block with %n rows"><l>8</l></custom-block></script></scripts></sprite><watcher scope="Stage" s="reportMouseX" style="normal" x="10" y="10" color="4,148,220"/><watcher scope="Stage" s="reportMouseY" style="normal" x="10" y="31.000001999999995" color="4,148,220"/></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 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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="up"></block><block s="forward"><l>5</l></block><block s="down"></block></script></block></script></block-definition><block-definition s="Draw block with %&apos;rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="clear"></block><block s="doRepeat"><block var="rows"/><script><block s="gotoXY"><l>-115</l><l>60</l></block><custom-block s="Row A"></custom-block><block s="up"></block><block s="gotoXY"><l>-115</l><l>60</l></block><block s="changeYPosition"><l>-15</l></block><block s="down"></block><custom-block s="Row B"></custom-block></script></block></script></block-definition><block-definition s="even? %&apos;number&apos;" type="predicate" 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