<snapdata remixID="8945965"><project name="U2L4- Brick Wall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAFoUlEQVR4Xu2dTUhcVxiGv0mHTk1sIFAoNVlV3BikbmqEKBhoomCz0IFIujG77kJ3hYLL/CxrF4FaKMVYaEmUJBtLVCLoRlAnbipCyCJQLSKlSmmySLjh3jDWqRPvd8z5kHvy3E0Y8573nvOcZ/TMhcRcFEWRcEHggAjkEPCAyHPbhAACIsKBEqgqYKlUkunpabOJ5fN56ejokKamJrN7UJwNArsEHB8fl4aGBomPhrlcTv3n8i/XZH3ubuqqW9rPSE3vtaR3cXFR+vr6UscQCJdAhYBzc3NSW1ubiBdf5c8n5dflr1V7feyHc/L+u4d2kIo7qn++edL/23ausbExXLqsLJVAhYADAwPS29ubCBj/GO7q6pLJyUnp7++X0dFRqaurk7W1taR0ZGRExsbGZGFhIcmfuHle3su/Eje+ar68Jbmao/Lvt527JvHo4r3t76zNzc2pkyQQLoEKAQcHB6W1tTURamlpSbq7u2V1dVWWl5dlampKhoeHk3PbzMyMzM7OJufEYrGY5D/+tVgh4OGv7kv09G95+v2FXfR+L97eFrClpSVcuqwslUCFgOvr67KyspI6qFqg8e4XUnjnv++Ae5WUPv95+6/b29v3dT8GhUFg14eQoaEhqa+vT1ZX/hBSXuper9va2qRQKKRS2dzclPn5+SS3tbUlPT09qWMIhEuA54Dh7m0mVoaAmdimcCeJgOHubSZWhoCZ2KZwJ4mA4e5tJlaGgJnYpnAniYDh7m0mVoaAmdimcCeJgOHubSZWhoCZ2KZwJ4mA4e5tJlaGgJnYpnAniYDh7m0mVoaAmdimcCeJgOHubSZWlhus+yy6/MdEMtnvjp/1OmnX3lDyXiEGXoaAe2zwft8QgTvjdXkIiIBehXIt4wzoSoy8VwII6BUnZa4Ekh/BrxukPQNpc+X7hJovr8t1E97mPAKKiK83BAK6v5UQEAHdrfE4gjOgR5hUuRNAQHdmjPBIgOeAPAf0qJN7FQIioLs1HkcgIAJ61Mm9ijOgOzNGeCSAgB5hUuVOgOeAPAd0t8bjCAREQI86uVchIAK6W+NxBGdAjzCpcieAgO7MGOGRAM8BeQ7oUSf3KgREQHdrPI5AQAT0qJN7FWdAd2aM8EgAAT3CpMqdAM8BeQ7obo3HEQiIgB51cq9CQAR0t8bjCM6AHmFS5U7Au4Dxb1z/6dLX8smRD+Wbx6/+0yMuCLyOwBsLuLGxIZdOnZVzzz6ouAf/RhbpNAT2JWDnp6el86+jkn/2vOo9kE+DnkxMYF8CltFNTEzIjYuX5UzhRAXN+RcbMvxnCcIQSCXwRgLubI+iSK5fuSpbNx/IR//k5OHJI/Lj/TupEyDwdhPwJuD/McZCxr9hnQsCexEwExDsENAQQEANJTJmBBDQDC3FGgIIqKFExowAApqhpVhDAAE1lMiYEUBAM7QUawggoIYSGTMCCGiGlmINAQTUUCJjRgABzdBSrCGAgBpKZMwIIKAZWoo1BBBQQ4mMGQEENENLsYYAAmookTEjgIBmaCnWEEBADSUyZgQQ0AwtxRoCCKihRMaMAAKaoaVYQwABNZTImBFAQDO0FGsIIKCGEhkzAghohpZiDQEE1FAiY0YAAc3QUqwhgIAaSmTMCCCgGVqKNQQQUEOJjBkBBDRDS7GGAAJqKJExI4CAZmgp1hBAQA0lMmYEENAMLcUaAgiooUTGjAACmqGlWEMAATWUyJgRQEAztBRrCCCghhIZMwIIaIaWYg0BBNRQImNGAAHN0FKsIYCAGkpkzAggoBlaijUEEFBDiYwZAQQ0Q0uxhgACaiiRMSOAgGZoKdYQQEANJTJmBBDQDC3FGgIIqKFExowAApqhpVhDAAE1lMiYEUBAM7QUawggoIYSGTMCCGiGlmINAQTUUCJjRgABzdBSrCGAgBpKZMwIvAQQRf7GW0LSnAAAAABJRU5ErkJggg==</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="-200" y="10" 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="39" y="26"><block s="clear"></block><block s="gotoXY"><l>-140</l><l>90</l></block></script><script x="25" y="123"><custom-block s="draw a Brick Wall with %s Rows"><l>6</l></custom-block></script></scripts></sprite><watcher var="Row #" style="normal" x="10" y="10" color="243,118,29"/></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="draw a Brick Wall with %&apos;# of Rows&apos; Rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="gotoXY"><l>-200</l><l>100</l></block><block s="doIf"><block s="reportEquals"><block s="reportModulus"><block var="# of Rows"/><l>2</l></block><l>0</l></block><script><block s="doRepeat"><block s="reportQuotient"><block var="# of Rows"/><l>2</l></block><script><custom-block s="rowA"></custom-block><block s="changeYPosition"><l>-15</l></block><block s="turnLeft"><l>180</l></block><custom-block s="rowB"></custom-block><block s="changeYPosition"><l>-15</l></block><block s="turnLeft"><l>180</l></block></script></block></script></block></script></block-definition></blocks><variables><variable name="Row #"><l>0</l></variable></variables></project><media name="U2L4- Brick Wall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>