<snapdata remixID="12280932"><project name="U3L1-3" app="Snap! 8.1, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="U3L1-3"><notes></notes><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><l><bool>true</bool></l></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>5</l></block></script></block></script></block-definition><block-definition s="rowB" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="draw brick, length: %n width: %n"><l>13</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>13</l><l>10</l></custom-block><block s="forward"><l>5</l></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="%n"></input></inputs><script><block s="doIfElse"><custom-block s="even %s"><block var="number"/></custom-block><script><block s="doRepeat"><block s="reportQuotient"><block var="number"/><l>2</l></block><script><custom-block s="rowA"></custom-block><block s="changeXPosition"><l>-210</l></block><block s="changeYPosition"><l>-15</l></block><custom-block s="rowB"></custom-block><block s="changeXPosition"><l>-210</l></block><block s="changeYPosition"><l>-15</l></block></script></block></script><script><block s="doRepeat"><block s="reportMonadic"><l><option>floor</option></l><block s="reportQuotient"><block var="number"/><l>2</l></block></block><script><custom-block s="rowA"></custom-block><block s="changeXPosition"><l>-210</l></block><block s="changeYPosition"><l>-15</l></block><custom-block s="rowB"></custom-block><block s="changeXPosition"><l>-210</l></block><block s="changeYPosition"><l>-15</l></block></script></block><custom-block s="rowA"></custom-block></script></block></script></block-definition><block-definition s="even %&apos;number&apos;" type="predicate" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><l></l></block></script></block-definition></blocks><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" 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