<snapdata remixID="9122294"><project name="U2L12-brickwall (solution)" app="Snap! 5.4, 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" penlog="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="-199.99999999999648" y="-50.00000000000005" 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="12.5" y="39.00000000000003"><block s="gotoXY"><l>-200</l><l>100</l></block><block s="setHeading"><l>90</l></block><block s="clear"></block><custom-block s="Step 1 - draw Brick Wall with %s rows"><l>10</l></custom-block></script><script x="213.16666666666669" y="42.999999999999886"><custom-block s="draw brick, length: %n width: %n"><l>30</l><l>10</l></custom-block></script><script x="13.166666666666657" y="316.66666666666674"><custom-block s="brick wall with %n rows; %n bricks per row; %n length; %n width; %n gap thickness"><l>12</l><l>12</l><l>30</l><l>15</l><l>5</l></custom-block><custom-block s="Row B bricks per row %s ; length: %s ; width: %s ; gap thickness: %s"><l>6</l><l>30</l><l>10</l><l></l></custom-block><custom-block s="Row A bricks per row: %s ; length: %s ; width: %s ; gap thickness: %s"><l>6</l><l>30</l><l>10</l><l></l></custom-block></script><script x="284" y="86"><custom-block s="Step 1 - Row A"></custom-block></script><script x="281" y="133"><custom-block s="Step 1- Row B"></custom-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><block-definition s="Row A bricks per row: %&apos;bricks&apos; ; length: %&apos;length&apos; ; width: %&apos;width&apos; ; gap thickness: %&apos;gap&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"/><script><custom-block s="draw brick, length: %n width: %n"><block var="length"/><block var="width"/></custom-block><block s="forward"><block var="gap"/></block></script></block></script></block-definition><block-definition s="Row B bricks per row %&apos;bricks&apos; ; length: %&apos;length&apos; ; width: %&apos;width&apos; ; gap thickness: %&apos;gap&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><custom-block s="draw brick, length: %n width: %n"><block s="reportQuotient"><block s="reportDifference"><block var="length"/><block var="gap"/></block><l>2</l></block><block var="width"/></custom-block><block s="forward"><block var="gap"/></block><block s="doRepeat"><block s="reportDifference"><block var="bricks"/><l>1</l></block><script><custom-block s="draw brick, length: %n width: %n"><block var="length"/><block var="width"/></custom-block><block s="forward"><block var="gap"/></block></script></block><custom-block s="draw brick, length: %n width: %n"><block s="reportQuotient"><block s="reportDifference"><block var="length"/><block var="gap"/></block><l>2</l></block><block var="width"/></custom-block><block s="forward"><block var="gap"/></block></script></block-definition><block-definition s="brick wall with %&apos;rows&apos; rows; %&apos;bricks&apos; bricks per row; %&apos;length&apos; length; %&apos;width&apos; width; %&apos;gap&apos; gap thickness" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input><input type="%n"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block var="rows"/><script><block s="doIf"><custom-block s="even? %s"><block var="i"/></custom-block><script><custom-block s="Row A bricks per row: %s ; length: %s ; width: %s ; gap thickness: %s"><block var="bricks"/><block var="length"/><block var="width"/><block var="gap"/></custom-block><block s="changeXPosition"><block s="reportDifference"><l>0</l><block s="reportProduct"><block var="bricks"/><block s="reportSum"><block var="length"/><block var="gap"/></block></block></block></block><block s="changeYPosition"><block s="reportDifference"><l>0</l><block s="reportSum"><block var="width"/><block var="gap"/></block></block></block></script></block><block s="doIf"><block s="reportNot"><custom-block s="even? %s"><block var="i"/></custom-block></block><script><custom-block s="Row B bricks per row %s ; length: %s ; width: %s ; gap thickness: %s"><block var="bricks"/><block var="length"/><block var="width"/><block var="gap"/></custom-block><block s="changeXPosition"><block s="reportDifference"><l>0</l><block s="reportProduct"><block var="bricks"/><block s="reportSum"><block var="length"/><block var="gap"/></block></block></block></block><block s="changeYPosition"><block s="reportDifference"><l>0</l><block s="reportSum"><block var="width"/><block var="gap"/></block></block></block></script></block></script></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"><block s="reportEquals"><l>0</l><block s="reportModulus"><block var="n"/><l>2</l></block></block></block></script></block-definition><block-definition s="Step 1 - draw Brick Wall with %&apos;rows&apos; rows" type="command" category="pen"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doFor"><l>i</l><l>1</l><block var="rows"/><script><block s="doIf"><custom-block s="even? %s"><block var="i"/></custom-block><script><custom-block s="Step 1 - Row A"></custom-block><block s="changeXPosition"><block s="reportDifference"><l>0</l><block s="reportProduct"><l>6</l><block s="reportSum"><l>30</l><l>5</l></block></block></block></block><block s="changeYPosition"><block s="reportDifference"><l>0</l><block s="reportSum"><l>10</l><l>5</l></block></block></block></script></block><block s="doIf"><block s="reportNot"><custom-block s="even? %s"><block var="i"/></custom-block></block><script><custom-block s="Step 1- Row B"></custom-block><block s="changeXPosition"><block s="reportDifference"><l>0</l><block s="reportProduct"><l>6</l><block s="reportSum"><l>30</l><l>5</l></block></block></block></block><block s="changeYPosition"><block s="reportDifference"><l>0</l><block s="reportSum"><l>10</l><l>5</l></block></block></block></script></block></script></block></script></block-definition><block-definition s="Step 1 - Row A" 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="Step 1- Row B" type="command" category="pen"><header></header><code></code><translations></translations><inputs></inputs><script><custom-block s="draw brick, length: %n width: %n"><block s="reportQuotient"><block s="reportDifference"><l>30</l><l>5</l></block><l>2</l></block><l>10</l></custom-block><block s="forward"><l>5</l></block><block s="doRepeat"><block s="reportDifference"><l>6</l><l>1</l></block><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"><block s="reportQuotient"><block s="reportDifference"><l>30</l><l>5</l></block><l>2</l></block><l>10</l></custom-block><block s="forward"><l>5</l></block></script></block-definition></blocks><variables></variables></project><media name="U2L12-brickwall (solution)" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>