<snapdata remixID="9044032"><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><sprite name="Sprite" idx="1" x="5.354497730312219" y="165.4598784763699" 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="18.33333433333337" y="136"><custom-block s="draw Brick Wall with %s rows"><l></l></custom-block></script><script x="28" y="54"><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="36.33333433333337" y="202"><block s="clear"></block></script><script x="49" y="335"><custom-block s="rowA"></custom-block><custom-block s="rowB"></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><l><bool>true</bool></l></custom-block></script></block-definition><block-definition s="draw Brick Wall with %&apos;number of rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs></block-definition><block-definition s="rowA" type="command" 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="changeXPosition"><l>5</l></block></script></block></script></block-definition><block-definition s="rowB" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="changeYPosition"><l>15</l></block><block s="changeXPosition"><l>-5</l></block><custom-block s="draw brick, length: %n width: %n"><l>-10</l><l>10</l></custom-block><block s="up"></block><block s="changeXPosition"><l>-5</l></block><block s="doRepeat"><l>5</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="changeXPosition"><l>-5</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>-15</l><l>10</l></custom-block><block s="changeYPosition"><l>15</l></block></script></block-definition></blocks><variables></variables></project><media name="L09 Brick Wall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>