<snapdata remixID="9808338"><project name="U2L4-BrickWall" app="Snap! 6, https://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAEJUlEQVR4Xu2avYoTURiGvyyyjfjTLqKFpTZehAqCizcgCCIIFrFQW9utFNzOC7Cwjqgo2lnYWYiFhSCyrIXVFiuImmUjK7iMSSaTk++deZ+Uycyc9+eZk2TO6Q2Hw2HwIoGkBHoAmJQ8w44SAEBASE0AAFPjZ3AAhIHUBAAwNX4GB0AYSE0AAFPjZ3AAhIHUBAAwNX4GB0AxBp4MBnFxdVVMVTk5AFgu25mvvH7sXAyXD8TblZ/x6M2L6PV6M19L/UR5AHfL2P/qb7wcvVX1WVXgu8fXObbuteseP0nLyYc349P1B/9Y2Tq4FN8vnYn+5asxuHI3rr17rM7WVPoAcF9Ms8A9bwCPnFiJz9++xtHt6n0iz39vxNPND1MVrH4QAAoC+OzHl7iwfPyvsvdLW3H23q04/etQvLp9f/T+3o2iDtgkffIATjLQtc/v3OjH4dcfY/v8qVhb/wNbl18A2OV2W+ANAFtQUpclygM46R/jXjmL+PNQ98/GIo5vO5wAWPGY53+PchYBVN0bDgALJ1C3ELfjC8df/PLMgMyAxSEbN4A8gKnpMHjxBACweMQMwAwIA7IJyM+AjpsRpnm0xFLcgu4pAKze9QOAADhKYJYH4PN4VASACwKQYbqdgPxvwG7HjzsAhIHUBAAwNX4GlwdwHj/Y27S5oK7ftiMMgKwFpzIMgAAIgKkJMHhqAvIzYGo6DF48AQAsHjEDtHo3DGvBrAWn3sIACIAAOCYBNiM0w0P+NyAzIDNgM8Q5mwTGJCA/A9JetxMAwG73K+9OHsC6i/Nux8sTNkEgALIWnMowAAIgAKYmwOCpCcjPgKnpMHjxBACweMQM0OrNCNTX7QTkZ0CW4liKS70FARAAAZDdMMUYkP8KLuacC0skAIASNfiKAEDf7iWcywPotrmgrl8JihqIAEDWghvg0/xUAATA5hQ1uAIAAmADfJqfKg9gc4tcQTkBAFRux0AbABqUrGwRAJXbMdAGgAYlK1sEQOV2DLQBoEHJyhYBULkdA20AaFCyskUAVG7HQBsAGpSsbBEAldsx0AaABiUrWwRA5XYMtAGgQcnKFgFQuR0DbQBoULKyRQBUbsdAGwAalKxsEQCV2zHQBoAGJStbBEDldgy0AaBBycoWAVC5HQNtAGhQsrJFAFRux0AbABqUrGwRAJXbMdAGgAYlK1sEQOV2DLQBoEHJyhYBULkdA20AaFCyskUAVG7HQBsAGpSsbBEAldsx0AaABiUrWwRA5XYMtAGgQcnKFgFQuR0DbQBoULKyRQBUbsdAGwAalKxsEQCV2zHQBoAGJStbBEDldgy0AaBBycoWAVC5HQNtAGhQsrJFAFRux0AbABqUrGwRAJXbMdAGgAYlK1sEQOV2DLQBoEHJyhYBULkdA20AaFCyskUAVG7HQNsOopkK1UxtBPkAAAAASUVORK5CYII=</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" hyperops="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="90" y="140" 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="57" y="10.000000000000028"><block s="receiveGo"></block><block s="doSetVar"><l>counter</l><l>0</l></block><block s="up"></block><custom-block s="set flat line ends to %b"><l><bool>true</bool></l></custom-block><block s="clear"></block><custom-block s="draw brick wall with %s rows"><l>7</l></custom-block></script></scripts></sprite><watcher var="counter" style="normal" x="10" y="10" color="243,118,29" hidden="true"/><watcher var="starting y value" style="normal" x="10" y="31.000001999999995" color="243,118,29" hidden="true"/></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="setHeading"><l>90</l></block><block s="down"></block><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="setHeading"><l>90</l></block><block s="down"></block><custom-block s="draw brick, length: %n width: %n"><l>15</l><l>10</l></custom-block><block s="forward"><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="forward"><l>5</l></block></script></block><custom-block s="draw brick, length: %n width: %n"><l>15</l><l>10</l></custom-block></script></block-definition><block-definition s="draw brick wall with %&apos;number&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doSetVar"><l>starting y value</l><l>0</l></block><block s="doSetVar"><l>counter</l><l>0</l></block><block s="doUntil"><block s="reportOr"><block s="reportGreaterThan"><block var="counter"/><block var="number"/></block><block s="reportEquals"><block var="counter"/><block var="number"/></block></block><script><block s="gotoXY"><l>-120</l><block var="starting y value"/></block><custom-block s="rowA"></custom-block><block s="doChangeVar"><l>counter</l><l>1</l></block><block s="doChangeVar"><l>starting y value</l><l>20</l></block><block s="gotoXY"><l>-120</l><block var="starting y value"/></block><custom-block s="rowB"></custom-block><block s="doChangeVar"><l>counter</l><l>1</l></block><block s="doChangeVar"><l>starting y value</l><l>20</l></block></script></block></script></block-definition></blocks><variables><variable name="counter"><l>8</l></variable><variable name="starting y value"><l>160</l></variable></variables></project><media name="U2L4-BrickWall" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>