<snapdata remixID="8848633"><project name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes>Draw a Brick Wall:&#xD;1. Draw a Brick&#xD;2. Draw a Row of Bricks&#xD;3. Draw multiple rows of bricks.</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(2)" idx="2" x="27" y="35" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="0" color="0,198.9,198.9,1" 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="20" y="20"><block s="receiveKey"><l><option>space</option></l></block><block s="clear"></block></script><script x="20" y="90"><block s="hide"></block></script></scripts></sprite><sprite name="Sprite" idx="1" x="-50" y="-360" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="18"><costumes><list struct="atomic" id="19"></list></costumes><sounds><list struct="atomic" id="20"></list></sounds><blocks></blocks><variables></variables><scripts><script x="20" y="56.33333333333334"><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l><comment w="151" collapsed="false">Abstraction- what does it do - it draws a brick..</comment></custom-block></script><script x="124" y="352"><custom-block s="row B %n"><l>7</l></custom-block></script><script x="209" y="177"><custom-block s="wall %n"><l>15</l></custom-block></script><script x="89" y="187"><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="376" y="320"><custom-block s="wall %n"><l></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 %&apos;number&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doRepeat"><block var="number"/><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>2.</l></block></script></block></script></block-definition><block-definition s="row B %&apos;Number&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><custom-block s="draw brick, length: %n width: %n"><l>14</l><l>10</l></custom-block><block s="forward"><l>2.</l></block><block s="doRepeat"><block s="reportDifference"><block var="Number"/><l>1</l></block><script><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block><block s="forward"><l>2.</l></block></script></block><custom-block s="draw brick, length: %n width: 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