<snapdata remixID="8674628"><project name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAADbElEQVR4Xu3XsW2UURCF0d8WHRCSkOxGtEFEB2wP5DQBknsghwgJIgQRfbgLpEUmMggbj+6P7guO4x3P09lPY/nifD6fNz8ESgIXAizJW/tLQIBCqAoIsMpvuQA1UBUQYJXfcgFqoCogwCq/5QLUQFVAgFV+ywWogaqAAKv8lgtQA1UBAVb5LRegBqoCAqzyWy5ADVQFBFjlt1yAGqgKCLDKb7kANVAVEGCV33IBaqAqIMAqv+UC1EBVQIBVfssFqIGqgACr/JYLUANVAQFW+S0XoAaqAgKs8lsuQA1UBQRY5bdcgBqoCgiwym+5ADVQFRBgld9yAWqgKiDAKr/lAtRAVUCAVX7LBaiBqoAAq/yWC1ADVQEBVvktF6AGqgICrPJbLkANVAUEWOW3XIAaqAoIsMpvuQA1UBUQYJXfcgFqoCogwCq/5QLUQFVAgFV+ywUYNnD15PmDfsOr68/b5LM3v3Ty+f/12ek7HoRx60MCnIr98flVvvhV3jHlFOBUTIB3it1c+emPAKdiAhRg2Myu46v86VvlHVNcF3Aq5gK6gGEzu46vcnlWeccU1wWcirmALmDYzK7jq1yeVd4xxXUBp2IuoAsYNrPr+CqXZ5V3THFdwKmYC+gChs3sOr7K5VnlHVNcF3Aq5gK6gGEzu46vcnlWeccU1wWcirmALmDYzK7jq1yeVd4xxXUBp2IuoAsYNrPr+CqXZ5V3THFdwKmYC+gChs3sOr7K5VnlHVNcF3Aq5gK6gGEzu46vcnlWeccU1wW8Q+zl42fbi6vX2+l0utd0lS9+lXcIcCpwz+dvf6mfflxvb7992A6Hw44b/CoX8B8N/O2ynB9dbt+fXm7vvnxUUCggQAGGCWXjAhz8CX7z9f12PB4zcdO/CQgw/CdET5mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06GAAENA45mAADM/06HAT/oIqsbxc4o4AAAAAElFTkSuQmCC</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" 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="0" y="-72" 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="452.33333333333337" y="10"><block s="clear"></block><block s="down"></block><block s="setHeading"><l>90</l></block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="18.333333333333343" y="44"><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>4</l></block></script></block><block s="gotoXY"><l>0</l><l>-12</l></block><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>4</l></block></script></block><block s="gotoXY"><l>0</l><l>-24</l></block><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>4</l></block></script></block><block s="gotoXY"><l>0</l><l>-36</l></block><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>4</l></block></script></block><block s="gotoXY"><l>0</l><l>-48</l></block><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>4</l></block></script></block><block s="gotoXY"><l>0</l><l>-60</l></block><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>4</l></block></script></block><block s="gotoXY"><l>0</l><l>-72</l></block></script></scripts></sprite></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;        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></blocks><variables></variables></project><media name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>