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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" 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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="-206" y="-171" 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="364" y="42"><block s="receiveMessage"><l>brick</l></block><block s="turn"><l>90</l></block><block s="forward"><l>26</l></block><block s="turnLeft"><l>90</l></block><block s="doRepeat"><l>2</l><script><block s="doRepeat"><l>13</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>5</l></block></script></block><block s="turnLeft"><l>90</l></block><block s="forward"><l>13</l></block><block s="turnLeft"><l>90</l></block><block s="forward"><l>17.5</l></block></script></block><block s="doBroadcast"><l>brick.1</l></block></script><script x="65.66666466666663" y="127.33333133333338"><block s="receiveMessage"><l>brick.1</l></block><block s="doRepeat"><l>2</l><script><block s="doRepeat"><l>13</l><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>5</l></block></script></block><block s="turn"><l>90</l></block><block s="forward"><l>13</l></block><block s="turn"><l>90</l></block><block s="forward"><l>17.5</l></block></script></block><block s="doSayFor"><l>brick</l><l>2</l></block><block s="doBroadcast"><l>brick</l></block></script><script x="677" y="357"><block s="receiveKey"><l><option>space</option></l></block><block s="doPauseAll"></block></script><script x="662" y="522"><block s="clear"></block></script><script x="10" y="307"><block s="reportStringSize"><l>world</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: %&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 var="flag"/></custom-block></script></block-definition><block-definition s="draw brick, lenght: width:" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs></block-definition><block-definition s="draw square" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs></block-definition></blocks><variables></variables></project><media name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>