<snapdata remixID="9229205"><project name="M6L4-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 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="170" y="105" 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="42" y="14"><block s="receiveGo"></block><block s="doHideVar"><l>counter</l></block><block s="gotoXY"><l>-60</l><l>0</l></block><block s="clear"></block><block s="turn"><l>180</l></block></script><script x="357" y="105"><custom-block s="draw brick wall with %n rows"><l>7</l></custom-block></script></scripts></sprite><watcher var="counter" style="normal" x="10" y="10" color="243,118,29" hidden="true"/></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" 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s="doSetVar"><l>counter</l><l>0</l></block><block s="doRepeat"><block var="number"/><script><block s="doChangeVar"><l>counter</l><l>1</l></block><block s="doIfElse"><block s="reportEquals"><custom-block s="is %s even?"><block var="counter"/></custom-block><block s="reportBoolean"><l><bool>false</bool></l></block></block><script><custom-block s="draw row A"></custom-block><custom-block s="next row B"></custom-block></script><script><custom-block s="draw row B"></custom-block><custom-block s="next row A"></custom-block></script></block></script></block></script></block-definition><block-definition s="draw row" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs></block-definition><block-definition s="%&apos;x value&apos; between %&apos;lower bound&apos; and %&apos;upper bound&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportAnd"><block s="reportLessThan"><block var="x value"/><block var="upper bound"/></block><block s="reportGreaterThan"><block var="x value"/><block var="lower bound"/></block></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="is %&apos;x&apos; divisible by %&apos;y&apos; ?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="x"/><block var="y"/></block><l>0</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="is %&apos;x&apos; even?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><custom-block s="is %s divisible by %s ?"><block var="x"/><l>2</l></custom-block><block s="reportBoolean"><l><bool>true</bool></l></block></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="is %&apos;x&apos; an integer?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="x"/><l>1</l></block><l>0</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition></blocks><variables><variable name="counter"><l>7</l></variable></variables></project><media name="M6L4-brickwall_starter" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>