<snapdata remixID="8825777"><project name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</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" 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y="32.42083542500001" 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;    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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 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