<snapdata remixID="9251034"><project name="brick wall" 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="-100" y="-200" 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="59" y="95"><block s="clear"></block><block s="gotoXY"><l>-100</l><l>100</l></block><block s="setHeading"><l>90</l></block></script><script x="881.6666666666665" y="24.33333333333337"><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>5</l></block><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block></script><script x="254" y="220"><block s="receiveGo"></block><custom-block s="draw brick wall with %n rows"><l>20</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 var="flag"/></custom-block></script></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="forward"><l>6</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="forward"><l>6</l></block><custom-block s="draw brick, length: %n width: %n"><l>12</l><l>10</l></custom-block><block s="forward"><l>6</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="forward"><l>6</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>12</l><l>10</l></custom-block></script></block-definition><block-definition s="even? %&apos;number&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doReport"><block s="reportEquals"><block s="reportModulus"><block var="number"/><l>2</l></block><l>0</l></block></block></script></block-definition><block-definition s="draw brick wall with %&apos;rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block var="rows"/><script><block s="doIfElse"><custom-block s="even? %n"><block var="i"/></custom-block><script><custom-block s="RowB"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script><script><custom-block s="RowA"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script></block></script></block></script></block-definition></blocks><variables></variables></project><media name="brick wall" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>