<snapdata remixID="8925439"><project name="U2L4 Checkerboard Project" app="Snap! 5.1, http://snap.berkeley.edu" 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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 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s="reportEquals"><block s="reportModulus"><block var="row"/><l>2</l></block><l>1</l></block><script><custom-block s="draw black square size %n"><l>40</l></custom-block></script><script><custom-block s="draw red square size %n"><l>40</l></custom-block></script></block><block s="doChangeVar"><l>x value</l><l>40</l></block></script></block></script></block-definition><block-definition s="Draw Checkerboard 4" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>x value</l></list></block><block s="doSetVar"><l>x value</l><l>-120</l></block><block s="doFor"><l>row</l><l>1</l><l>8</l><script><block s="gotoXY"><block var="x value"/><l>-20</l></block><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="row"/><l>2</l></block><l>1</l></block><script><custom-block s="draw red square size %n"><l>40</l></custom-block></script><script><custom-block s="draw black square size %n"><l>40</l></custom-block></script></block><block s="doChangeVar"><l>x value</l><l>40</l></block></script></block></script></block-definition><block-definition s="Draw Checker Board 5" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>x value</l></list></block><block s="doSetVar"><l>x value</l><l>-120</l></block><block s="doFor"><l>row</l><l>1</l><l>8</l><script><block s="gotoXY"><block var="x value"/><l>20</l></block><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="row"/><l>2</l></block><l>1</l></block><script><custom-block s="draw black square size %n"><l>40</l></custom-block></script><script><custom-block s="draw red square size %n"><l>40</l></custom-block></script></block><block s="doChangeVar"><l>x value</l><l>40</l></block></script></block></script></block-definition><block-definition s="Draw Checker Board 6" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>x value</l></list></block><block s="doSetVar"><l>x value</l><l>-120</l></block><block s="doFor"><l>row</l><l>1</l><l>8</l><script><block s="gotoXY"><block var="x value"/><l>60</l></block><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="row"/><l>2</l></block><l>1</l></block><script><custom-block s="draw red square size %n"><l>40</l></custom-block></script><script><custom-block s="draw black square size %n"><l>40</l></custom-block></script></block><block s="doChangeVar"><l>x value</l><l>40</l></block></script></block></script></block-definition><block-definition s="Draw Checker Board 7" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>x value</l></list></block><block s="doSetVar"><l>x value</l><l>-120</l></block><block s="doFor"><l>row</l><l>1</l><l>8</l><script><block s="gotoXY"><block var="x value"/><l>100</l></block><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="row"/><l>2</l></block><l>1</l></block><script><custom-block s="draw black square size %n"><l>40</l></custom-block></script><script><custom-block s="draw red square size %n"><l>40</l></custom-block></script></block><block s="doChangeVar"><l>x value</l><l>40</l></block></script></block></script></block-definition><block-definition s="Draw Checker Board 8" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>x value</l></list></block><block s="doSetVar"><l>x value</l><l>-120</l></block><block s="doFor"><l>row</l><l>1</l><l>8</l><script><block s="gotoXY"><block var="x value"/><l>140</l></block><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="row"/><l>2</l></block><l>1</l></block><script><custom-block s="draw red square size %n"><l>40</l></custom-block></script><script><custom-block s="draw black square size %n"><l>40</l></custom-block></script></block><block s="doChangeVar"><l>x value</l><l>40</l></block></script></block></script></block-definition><block-definition s="Draw Checker Board 1" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doDeclareVariables"><list><l>x value</l></list></block><block s="doSetVar"><l>x value</l><l>-120</l></block><block s="doFor"><l>row</l><l>1</l><l>8</l><script><block s="gotoXY"><block var="x value"/><l>-140</l></block><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="row"/><l>2</l></block><l>1</l></block><script><custom-block s="draw black square size %n"><l>40</l></custom-block></script><script><custom-block s="draw red square size %n"><l>40</l></custom-block></script></block><block s="doChangeVar"><l>x value</l><l>40</l></block></script></block></script></block-definition></blocks><variables></variables></project><media name="U2L4 Checkerboard Project" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>