<snapdata remixID="8957798"><project name="L09 Brick Wall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage 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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 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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 = 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Bricks per row %s brick Length %s width %s Gap Thickness %s"><block var="Bricks per row"/><block var="Length"/><block var="Width"/><block var="Thickness"/></custom-block></script></block></script></block><block s="setYPosition"><l>-200</l></block><block s="changeYPosition"><block s="reportGreaterThan"><l>-1</l><block s="reportSum"><block var="Width"/><block var="Thickness"/></block></block></block></script></block-definition><block-definition s="Even? %&apos;n&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><custom-block s="%s Divided By %s"><block var="n"/><l>2</l></custom-block></block></script></block-definition><block-definition s="%&apos;N&apos; Divided By %&apos;By&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doReport"><l></l></block></script></block-definition><block-definition s="RowA Bricks per row %&apos;Bricks per row&apos; Brick length %&apos;length&apos; Width %&apos;width&apos; Gap Thickness %&apos;Thickness&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input><input type="%s"></input><input type="%s"></input></inputs><script><block s="doRepeat"><block var="Bricks per row"/><script><custom-block s="draw brick, length: %n width: %n"><block var="length"/><block var="width"/></custom-block><block s="forward"><block var="Thickness"/></block></script></block></script></block-definition><block-definition s="Row B Bricks per row %&apos;Bricks per row&apos; brick Length %&apos;Length&apos; width %&apos;Width&apos; Gap Thickness %&apos;Thickness&apos;" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input 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