<snapdata remixID="9086081"><project name="U2L4-Brickwall3" 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="207.06796116504847" y="-105.09708737864077" 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="29" y="31"><block s="setHeading"><l>90</l></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="clear"></block></script><script x="30" y="136"><custom-block s="draw brick wall with %n rows"><l>7</l></custom-block></script><script x="333" y="78"><custom-block s="draw a brick wall with %n rows, %n bricks per row, brick length of %n , brick width of %n and gap thickness of %n"><l>3</l><l>3</l><l>30</l><l>10</l><l>6</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="row a" 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="row b" 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="Is %&apos;input 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="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><block s="doIfElse"><block s="reportAnd"><block s="reportGreaterThan"><block var="input value"/><block var="lower bound"/></block><block s="reportLessThan"><block var="input value"/><block var="upper 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;first value&apos; divisible by %&apos;second value&apos; ?" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="first value"/><block var="second value"/></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="even? %&apos;input value&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doReport"><custom-block s="Is %n divisible by %n ?"><block var="input value"/><l>2</l></custom-block></block></script></block-definition><block-definition s="integer? %&apos;input value&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportRound"><block var="input value"/></block><block var="input value"/></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="draw brick wall with %&apos;number of 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="number of rows"/><script><block s="doIfElse"><custom-block s="even? %n"><block var="i"/></custom-block><script><custom-block s="row b"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script><script><custom-block s="row a"></custom-block><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script></block></script></block></script></block-definition><block-definition s="draw a brick wall with %&apos;number of rows&apos; rows, %&apos;number of bricks&apos; bricks per row, brick length of %&apos;length&apos; , brick width of %&apos;width&apos; and gap thickness of %&apos;gap thickness&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block var="number of rows"/><script><block s="doIfElse"><custom-block s="even? %n"><block var="i"/></custom-block><script><block s="turnLeft"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script><script><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="U2L4-Brickwall3" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>