<snapdata remixID="8963480"><project name="U3L1-BrickWall" 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="205" y="99" 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="55" y="29"><block s="clear"></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="setHeading"><l>90</l></block><custom-block s="draw Brick Wall with %s rows"><l>9</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 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