<snapdata remixID="9085783"><project name="U2L4-brickwall 2" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAFEElEQVR4Xu2dz2pUMRSHbxHBtRsXrnTflxDc+DA+iKBoBV34DqILcVEKggV3blwrIvgGBf9CndvhapiOc0+SX3Juk6+rWaQnyXe+nGRyp9O909XPwA8EnAjsIaATebo9I4CAiOBKAAFd8dM5AuKAKwEEdMVP5wiIA64EENAVP50jIA64EkBAV/x0joA44EoAAV3x0zkC4oArAQR0xU/nCIgDrgQQ0BU/nSMgDrgSQEBX/HSOgDjgSgABXfHTOQLigCsBBHTFT+cIiAOuBBDQFT+dJwl4cP12Nrm7Xw/PYuTGUsUZxzLGyh3PFGeJc8tOWoEACBhARcAChs2EREAErG9d0CMCIiAC5hDgDGijN3Gyta7XKqkC1hsePbVOAAFbz/DC55ck4K6rCtWWqIrT0/WKJS9L8xEBIzKiWhSqOOGd49y9Y1NnQMtKy73QVScpdzwX4YLZkpeI9ValKRUwArNqUajiUAG3JE8FVxWHM+A6SU1twRFFg6YQ2EkgaQuGKQRUBJIEbPlA3/LcVNIo4yBgQJNPwyjVssVCQAS0mVKoFQIiYCG1bGEREAFtphRqlSRgobEQtkMCCNhh0pc05SQBLc8cc68zeBJi0yR8wmHJiy1qvVYIGMFatShUcTYfsSFg8MyRCvh/sxHwHxsqIBUwgoC+KQJGMFVVLlWcbrfgiJzRFAI7CSRVQJhCQEUgScDcNxjh1pEbS72d5Y5nyXNTSaOMg4A8ilP6FB0LAREwWhrlLyAgAip9io6FgAgYLY3yF5IEVA6AWH0TQMC+8+8++yQBLQ+9c68zuF6xucGnYTY4qcRRxZnu5XIXxEW437MUBpvW9VpRASNYqxaFKk64KMbXCLiCoIKrikMFXK+wpr6aw7LScrc8BLSV5i7PgDY0tILAPIGkM+B8WFpAwEYgScDc7XXJ7yhbnptNibqtEDDgzXfD1JVv7A0BEbC+dUGPCIiACJhDgOsaG72m7gFtU6YVBOYJJG3B82FpAQEbgSQBeRKS9w+71ceGKdWWvNi0qNcKASNYq8RRxQnvU8fXCLiCoIKrijMlqYcLZgREQFM9VS8utuCNu7S57cCSJXWSqICHFuzV2ySdAauPkg6bJYCAzab2YkwsScCWt7OW57ZEJRFw4/yKgHU1RUAErGvcRm8IiIAImEOA6xobPT4NY+NEq84IJG3BnTFiugUJJAloeeaY+26SrdWW9S7/LhgB+TiWbXnMt6ICzjP620JVlVVxxoFRATcSqIKrijMlKfdIECY7N5Z6blMKLDtTxHqr0pQKGIFZJY4qTrcVMCJnNIXATgJJFRCmEFARSBIw9wy05PNUy3NTSaOMg4ABTb4bRqmWLRYCIqDNlEKtEBABC6llC4uACGgzpVCrJAELjYWwHRJAwA6TvqQpJwloeeSTe52hflqQO54lXx1NQlnysiT5xrEgYERGVItCFSdcFONrBFxBUMFVxZmSRAVs6JsRLCstN+EIaCvNfBxrg5NKHFUcKuA6QfxRkm1B06ozAklvQjpjxHQLEjgn4Hh2O7p6Mrz88K5gt4SGwJrA1goYvoH4eeXS8OXWjeHg2VOYQUBOYKuAT+4/HH4/eLW1s4+Xvw2PPh/LB0LAPgnMVsAJy5tr34fn79/2SYlZFyNwTsDHN+8Mpz9+Da9PPg33jl8M+/v7xTonMAR4F4wDrgQQ0BU/nSMgDrgSQEBX/HSOgDjgSgABXfHTOQLigCuBP1nLkPN6DO8kAAAAAElFTkSuQmCC</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="false" 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="-152" 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="20" y="20"><custom-block s="draw Brick Wall with %s rows"><l>12</l></custom-block></script></scripts></sprite></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><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="%s"></input><input type="%s"></input></inputs><script><block s="down"></block><block s="setSize"><block var="width"/></block><block s="forward"><block var="length"/></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 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type="%n"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block s="reportModulus"><block var="number"/><l>2</l></block><l>0</l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></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="%s"></input></inputs><script><block s="clear"></block><block s="up"></block><block s="gotoXY"><l>-200</l><l>100</l></block><block s="doIfElse"><custom-block s="even? %n"><block var="number"/></custom-block><script><block s="doRepeat"><block s="reportQuotient"><block var="number"/><l>2</l></block><script><block s="doRepeat"><l>6</l><script><custom-block s="draw brick, length: %n width: 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