<snapdata remixID="9257423"><project name="U2L4P3-BrickWall" app="Snap! 5.4, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAADvElEQVR4Xu3aMWpUURTH4TtGTGFjYWfEKmsILkB0KRZiYWHrFkRLQbDQwtZGtJAsQJsUVmKjOwhoIY4YUNCMknc4wz/J+6zn3fPmN1/GvHuzWC6Xy+GfAqECCwBD5Y09KAAgCNECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECJYAPLl070k3f/vz64HVze/2R4njRQQEA/wOh+gPE1tELAAjg0bWs4ZUlgGu4D0vOtACAM/3gj8vbLgH8+6Gi+rvSaXs4+dXhuHy4J+E+ABxjdP0AATidPIAATlfTeEUJYON8S828AIAzB5B++yWAp+3h4V8fQvV3w/SHepLmA2gjOuoVQABPHsDoHRt+qgqUvgFPVQFvJlqgBNBJyOo/M7MRPd0ygDaip6tpvAJAABs5TV+qBHD6GFcosLoAgGREC5QAOglZ/Zl5CJluGUAb0dPVNF4BIICNnKYvVQI4fYwrFPAQwsAxLFD6BnQS4iSkyzKANqK7LJXWARDAEpyui0oAu4ZbRwEAGYgWKAF0EuIkpEstgDaiuyyV1gEQwBKcrotKALuGW0cBABmIFigBdBLiJKRLLYA2orssldYBEMASnK6LSgC7hltHAQAZiBYoAXQS4iSkSy2ANqK7LJXWARDAEpyui0oAu4ZbRwEAGYgWKAF0EuIkpEstgDaiuyyV1gEQwBKcrotKALuGW0cBABmIFigBdBLiJKRLLYA2orssldYBEMASnK6LSgC7hltHAQAZiBYoAXQS4iSkSy2ANqK7LJXWARDAEpyui0oAu4ZbR4E/AC6Xy/Hw8vWxe2F/PHv7ZmxubiqkwFoLHPoG3NvbG29u3Pk99Ov5s+PT1a3x4Mmjtd6IxedZYOV/wXdv3h5bL96vLPLh3Ndx69Xjsb29Pc9i3nVrgZUAV5317l78Mp6/2x0bGxutN2CxeRc4BPD+levjzLfv4+X+x3Hv1dOxs7Mz70Le/VoLHHoI+TltsVisdajFFfhVwDYMC9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzGw4gA9ECAEbzG/4DBnnD1V0rB5EAAAAASUVORK5CYII=</thumbnail><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" codify="false" inheritance="true" 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="-80" heading="90" 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="63" y="47"><block s="receiveGo"></block><block s="gotoXY"><l>-200</l><l>100</l></block><block s="clear"></block><custom-block s="draw BrickWall"></custom-block></script></scripts></sprite></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="draw BrickWall" type="command" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doRepeat"><l>6</l><script><custom-block s="Row #1"></custom-block><block s="turn"><l>180</l></block><block s="changeYPosition"><l>-15</l></block><custom-block s="Row #2"></custom-block><block s="turn"><l>180</l></block><block s="changeYPosition"><l>-15</l></block></script></block></script></block-definition><block-definition s="Row #1" 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="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="Row #2" 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></blocks><variables></variables></project><media name="U2L4P3-BrickWall" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>