<snapdata remixID="9927649"><project name="Lab 1.3 Squares Triangles Redux" app="Snap! 6, https://snap.berkeley.edu" version="1"><notes>Press 1 to 6 to draw shapes&#xD;Press Start to reset cursor position if it somehow goes off&#xD;Press space bar to clear drawings&#xD;&#xD;&#xD;redux version adds &#xD;&#xD;7 - decagon &#xD;&#xD;8 - 360 sided polygon (a circle) </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="round" ternary="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" scheduled="false" id="1"><pentrails>data:image/png;base64,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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="-23.06633748407353" y="5.965360480068711" heading="297" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="0" color="248,25,0,1" pen="tip" id="8"><costumes><list struct="atomic" id="9"></list></costumes><sounds><list struct="atomic" id="10"></list></sounds><blocks><block-definition s="DrawPolygon %&apos;AngleIncrement&apos; %&apos;Length&apos; %&apos;StartAngle&apos; %&apos;RepeatTimes&apos;" type="command" category="other"><header></header><code></code><translations></translations><inputs><input type="%n">3</input><input type="%n">30</input><input type="%n"></input><input type="%n">4</input></inputs><script><block s="down"></block><block s="setHeading"><block var="StartAngle"/></block><block s="doRepeat"><block var="RepeatTimes"/><script><block s="forward"><block var="Length"/></block><block s="turn"><block var="AngleIncrement"/></block></script></block><block s="up"></block></script></block-definition><block-definition s="CursorDrawSpeak %&apos;SayString&apos; %&apos;SpeakDuration&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%txt">Lorem Ipsum</input><input type="%s"></input></inputs><script><block s="show"></block><block s="doSayFor"><block var="SayString"/><block var="SpeakDuration"/></block><block s="hide"></block></script></block-definition></blocks><variables><variable name="startPosition"><l>0</l></variable></variables><scripts><script x="562" y="53"><block s="receiveKey"><l><option>space</option></l></block><block s="clear"></block></script><script x="94" y="10"><block s="receiveKey"><l><option>1</option></l></block><block s="setColor"><color>248,25,0,1</color></block><block s="setSize"><l>0.5</l></block><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>90</l><l>30</l><l>0</l><l>4</l></custom-block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="244" y="11"><block s="receiveKey"><l><option>1</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Square</l><l>0.5</l></custom-block></script><script x="93" y="141"><block s="receiveKey"><l><option>2</option></l></block><block s="setColor"><color>0,28,187,1</color></block><block s="setSize"><l>2</l></block><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>120</l><l>30</l><l>0</l><l>3</l></custom-block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="248" y="144"><block s="receiveKey"><l><option>2</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Triangle</l><l>0.5</l></custom-block></script><script x="96" y="274.66666666666663"><block s="receiveKey"><l><option>4</option></l></block><block s="setColor"><color>217,235,0,1</color></block><block s="setSize"><l>3</l></block><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>72</l><l>30</l><l>0</l><l>5</l></custom-block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="256" y="259"><block s="receiveKey"><l><option>4</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Pentagon</l><l>0.5</l></custom-block></script><script x="93" y="443.9999999999999"><block s="receiveKey"><l><option>5</option></l></block><block s="setColor"><color>0,245,67,1</color></block><block s="setSize"><l>4</l></block><block s="doFor"><l>i</l><l>1</l><l>2</l><script><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>135</l><block s="reportSum"><l>35</l><block s="reportProduct"><block var="i"/><l>15</l></block></block><block s="reportProduct"><block var="i"/><l>-45</l></block><l>1</l></custom-block></script></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="doFor"><l>i</l><l>2</l><l>1</l><script><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>135</l><block s="reportSum"><l>35</l><block s="reportProduct"><block var="i"/><l>15</l></block></block><block s="reportProduct"><block var="i"/><l>-45</l></block><l>1</l></custom-block></script></block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="248" y="434.3333333333336"><block s="receiveKey"><l><option>5</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Paralellogram</l><l>0.75</l></custom-block></script><script x="102" y="749.6666666666667"><block s="receiveKey"><l><option>3</option></l></block><block s="setColor"><color>36,255,220,1</color></block><block s="setSize"><l>5</l></block><block s="doFor"><l>i</l><l>1</l><l>2</l><script><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>135</l><l>50</l><block s="reportSum"><block s="reportProduct"><block var="i"/><l>-45</l></block><l>67.5</l></block><l>1</l></custom-block></script></block><block s="gotoXY"><l>0</l><l>0</l></block><block s="doFor"><l>i</l><l>2</l><l>1</l><script><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>135</l><l>50</l><block s="reportSum"><block s="reportProduct"><block var="i"/><l>-45</l></block><l>67.5</l></block><l>1</l></custom-block></script></block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="250" y="768.0000000000002"><block s="receiveKey"><l><option>3</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Diamond</l><l>0.75</l></custom-block></script><script x="107" y="1015.9999999999999"><block s="receiveKey"><l><option>6</option></l></block><block s="setColor"><color>105,0,199,1</color></block><block s="setSize"><l>6</l></block><block s="doFor"><l>i</l><l>1</l><l>5</l><script><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>72</l><l>30</l><block s="reportProduct"><block var="i"/><l>-72</l></block><l>2</l></custom-block></script></block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="254" y="1021.6666666666664"><block s="receiveKey"><l><option>6</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Star</l><l>1</l></custom-block></script><script x="104" y="1189.6666666666665"><block s="receiveKey"><l><option>7</option></l></block><block s="setColor"><color>155,91,0,1</color></block><block s="setSize"><l>9</l></block><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>36</l><l>25</l><l>0</l><l>10</l></custom-block></script><script x="561" y="120"><block s="receiveGo"></block><block s="gotoXY"><l>0</l><l>0</l></block></script><script x="254" y="1171.333333333333"><block s="receiveKey"><l><option>7</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Decagon</l><l>1</l></custom-block></script><script x="105" y="1307.333333333333"><block s="receiveKey"><l><option>8</option></l></block><block s="setColor"><color>227,97,255,1</color></block><block s="setSize"><l>10</l></block><custom-block s="DrawPolygon %n %n %n %n" scope="local"><l>1</l><l>1</l><l>0</l><l>360</l></custom-block></script><script x="272" y="1302.333333333333"><block s="receiveKey"><l><option>8</option></l></block><custom-block s="CursorDrawSpeak %txt %s" scope="local"><l>Circle</l><l>5</l></custom-block></script></scripts></sprite><watcher scope="Sprite" var="startPosition" style="normal" x="9.999999999999886" y="10" color="243,118,29" hidden="true"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="create %&apos;scope&apos; var %&apos;names&apos;" type="command" category="variables"><comment x="0" y="0" w="146" collapsed="false">This block creates  new variables on the selected scope: global (for all sprites), sprite (for this sprite only) or script (only for that blocks stack) with the names given (in &apos;names&apos; list).&#xD;&#xD;If there is already a variable with that name in that scope, it does nothing: no errors and no overwrites.</comment><header></header><code></code><translations>pt:cria as variáveis _ _&#xD;ca:crea les _ variables _&#xD;es:crear las _ variables _&#xD;de:erstellen _ var _&#xD;</translations><inputs><input type="%s" readonly="true">global<options>global&#xD;sprite&#xD;script</options></input><input type="%mult%txt"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block var="scope"/><l>script</l></block><script><block s="doForEach"><l>each item</l><block var="names"/><script><block s="doRun"><block s="reportJSFunction"><list><l>varName</l><l>proc</l></list><l>if ((typeof varName) != "string" || varName === "") {&#xD;    throw new Error("name isn&apos;t a string: " + varName);&#xD;}&#xD;if (!proc.homeContext.variables.vars[varName]) proc.homeContext.variables.addVar(varName);</l></block><list><block var="each item"/></list></block></script></block></script><script><block s="doDeclareVariables"><list><l>global</l></list></block><block s="doIfElse"><block s="reportEquals"><block var="scope"/><l>sprite</l></block><script><block s="doSetVar"><l>global</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script><script><block s="doSetVar"><l>global</l><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></block><block s="doForEach"><l>each item</l><block var="names"/><script><block s="doRun"><block s="reportJSFunction"><list><l>varName</l><l>global</l><l>proc</l></list><l>if ((typeof varName) != "string" || varName === "") {&#xD;    throw new Error("name isn&apos;t a string: " + varName);&#xD;}&#xD;if (global &amp;&amp; !proc.homeContext.variables.parentFrame.parentFrame.vars[varName]) this.addVariable(varName, true);&#xD;if (!global &amp;&amp; !proc.homeContext.variables.parentFrame.vars[varName]) this.addVariable(varName, false);</l></block><list><block var="each item"/><block var="global"/></list></block></script></block><block s="doRun"><block s="reportJSFunction"><list></list><l>var ide = this.parentThatIsA(IDE_Morph);&#xD;ide.flushBlocksCache(&apos;variables&apos;); // b/c of inheritance&#xD;ide.refreshPalette();</l></block><list></list></block></script></block></script></block-definition><block-definition s="delete var %&apos;names&apos;" type="command" category="variables"><comment x="0" y="0" w="217" collapsed="false">This block deletes all the variables with the names given (inside input list).&#xD;&#xD;Each name will make only one variable deletion, and this will be the variable found following the scope order: &apos;script&apos; -&gt; &apos;sprite&apos; -&gt; &apos;global&apos;.&#xD;&#xD;If we have a &quot;testing&quot; sprite variable and also a &quot;testing&quot; global one, deleting &quot;testing&quot; will delete only the sprite one (Yes! we can also do &quot;delete var (testing, testing)&quot; to delete both.&#xD;&#xD;If one variable does not exists (in any scope) an error happens, stopping block action in that point. You can check it before with the &quot;does var (name) exists?&quot;block. </comment><header></header><code></code><translations>pt:remove as variáveis _&#xD;ca:esborra les variables _&#xD;es:borrar variables _&#xD;de:löschen var _&#xD;</translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doForEach"><l>each item</l><block var="names"/><script><block s="doRun"><block s="reportJSFunction"><list><l>varName</l><l>proc</l></list><l>if ((typeof varName) != "string" || varName === "") {&#xD;    throw new Error("name isn&apos;t a string: " + varName);&#xD;}&#xD;if (typeof proc.homeContext.variables.vars[varName] !== &apos;undefined&apos;) {&#xD;    delete proc.homeContext.variables.vars[varName];&#xD;} else if (this.deletableVariableNames().indexOf(varName) != -1) {&#xD;    this.deleteVariable(varName);&#xD;} else {&#xD;    throw new Error("variable doesn&apos;t exist: " + varName);&#xD;}</l></block><list><block var="each item"/></list></block></script></block><block s="doRun"><block s="reportJSFunction"><list></list><l>var ide = this.parentThatIsA(IDE_Morph);&#xD;ide.flushBlocksCache(&apos;variables&apos;); // b/c of inheritance&#xD;ide.refreshPalette();</l></block><list></list></block></script></block-definition><block-definition s="set var %&apos;name&apos; to %&apos;value&apos;" type="command" category="variables"><comment x="0" y="0" w="240.4931640625" collapsed="false">This block sets the given value (last input) to the variable named with the name givent (var input).&#xD;&#xD;It looks for that variable following the scope order &apos;script&apos; -&gt; &apos;sprite&apos; -&gt; &apos;global&apos; (the first match it finds).&#xD;&#xD;If that variable does not exist (in any scope) an error happens, stopping their script. You can check it before using the &quot;does var (name) exists?&quot; block. </comment><header></header><code></code><translations>ca:assigna a _ el valor _&#xD;es:asignar a _ el valor _&#xD;pt:altera _ para _&#xD;de:setze var _ auf _&#xD;</translations><inputs><input type="%s"><options>§_getVarNamesDict</options></input><input type="%s"></input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>varName</l><l>value</l><l>proc</l></list><l>if ((typeof varName) != "string") {&#xD;    throw new Error("name isn&apos;t a string: " + varName);&#xD;}&#xD;proc.homeContext.variables.setVar(varName, value);</l></block><list><block var="name"/><block var="value"/></list></block></script></block-definition><block-definition s="var %&apos;name&apos;" type="reporter" category="variables"><comment x="0" y="0" w="178.00000000000003" collapsed="false">This block reports the value of the variable with the name given.&#xD;&#xD;It looks for that variable following the scope order &apos;script&apos; -&gt; &apos;sprite&apos; -&gt; &apos;global&apos; (the first match it finds).&#xD;&#xD;If that variable does not exist (in any scope) an error happens, stopping their script. You can check it before using the &quot;does var (name) exists?&quot; block. </comment><header></header><code></code><translations>pt:o valor de _&#xD;</translations><inputs><input type="%s"><options>§_getVarNamesDict</options></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportJSFunction"><list><l>varName</l><l>proc</l></list><l>if ((typeof varName) != "string") {&#xD;    throw new Error("name isn&apos;t a string: " + varName);&#xD;}&#xD;return proc.homeContext.variables.getVar(varName);</l></block><list><block var="name"/></list></block></block></script></block-definition><block-definition s="does var %&apos;name&apos; exist?" type="predicate" category="variables"><comment x="0" y="0" w="146" collapsed="false">This block reports &quot;true&quot; if there is a variable with this given name (input slot) in that context.&#xD;&#xD;It can be a global, sprite or script variable.&#xD;&#xD;Otherwise it reports &quot;false&quot;.</comment><header></header><code></code><translations>pt:a variável _ existe&#xD;ca:existeix la variable _ ?&#xD;es:existe la variable _ ?&#xD;de:existiert var _ ?&#xD;</translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportJSFunction"><list><l>varName</l><l>proc</l></list><l>if ((typeof varName) != "string" || varName === "") {&#xD;    throw new Error("name isn&apos;t a string: " + varName);&#xD;}&#xD;return proc.homeContext.variables.silentFind(varName)? true:false;</l></block><list><block var="name"/></list></block></block></script></block-definition><block-definition s="show var %&apos;name&apos;" type="command" category="variables"><comment x="0" y="0" w="181" collapsed="false">This block turns on (show) the watcher view on stage (if it was not already activated) of the variable with the given name (slot input).&#xD;&#xD;It can only access to the closest variable scope (if there different variables with the same name in different scopes) following the order &apos;script&apos; -&gt; &apos;sprite&apos; -&gt; &apos;global&apos;.&#xD;&#xD;No errors if that variable does not exist.</comment><header></header><code></code><translations>ca:mostra la variable _&#xD;es:mostrar variable _&#xD;pt:mostra a variável _&#xD;de:zeige var _&#xD;</translations><inputs><input type="%s"><options>§_getVarNamesDict</options></input></inputs><script><block s="doIf"><custom-block s="does var %s exist?"><block var="name"/></custom-block><script><block s="doRun"><block s="reportJSFunction"><list><l>varName</l><l>proc</l></list><l>    var varFrame = proc.homeContext.variables,&#xD;        stage,&#xD;        watcher,&#xD;        target,&#xD;        label,&#xD;        others,&#xD;        isGlobal,&#xD;        name = varName;&#xD;&#xD;    if (name instanceof Context) {&#xD;        if (name.expression.selector === &apos;reportGetVar&apos;) {&#xD;            name = name.expression.blockSpec;&#xD;        } else {&#xD;            proc.doChangePrimitiveVisibility(name.expression, false);&#xD;            return;&#xD;        }&#xD;    }&#xD;    if (proc.homeContext.receiver) {&#xD;        stage = proc.homeContext.receiver.parentThatIsA(StageMorph);&#xD;        if (stage) {&#xD;            target = varFrame.silentFind(name);&#xD;            if (!target) {return; }&#xD;            // first try to find an existing (hidden) watcher&#xD;            watcher = detect(&#xD;                stage.children,&#xD;                morph =&gt; morph instanceof WatcherMorph &amp;&amp;&#xD;                    morph.target === target &amp;&amp;&#xD;                        morph.getter === name&#xD;            );&#xD;            if (watcher !== null) {&#xD;                watcher.show();&#xD;                watcher.fixLayout(); // re-hide hidden parts&#xD;                return;&#xD;            }&#xD;            // if no watcher exists, create a new one&#xD;            isGlobal = contains(&#xD;                proc.homeContext.receiver.globalVariables().names(),&#xD;                varName&#xD;            );&#xD;            if (isGlobal || target.owner) {&#xD;                label = name;&#xD;            } else {&#xD;                label = name + &apos; &apos; + localize(&apos;(temporary)&apos;);&#xD;            }&#xD;            watcher = new WatcherMorph(&#xD;                label,&#xD;                SpriteMorph.prototype.blockColor.variables,&#xD;                target,&#xD;                name&#xD;            );&#xD;            watcher.setPosition(stage.position().add(10));&#xD;            others = stage.watchers(watcher.left());&#xD;            if (others.length &gt; 0) {&#xD;                watcher.setTop(others[others.length - 1].bottom());&#xD;            }&#xD;            stage.add(watcher);&#xD;            watcher.fixLayout();&#xD;        }&#xD;    }</l></block><list><block var="name"/></list></block></script></block></script></block-definition><block-definition s="hide var %&apos;name&apos;" type="command" category="variables"><comment x="0" y="0" w="181" collapsed="false">This block turns off (hide) the watcher view on stage (if it was not already activated) of the variable with the given name (slot input).&#xD;&#xD;It can only access to the closest variable scope (if there different variables with the same name in different scopes) following the order &apos;script&apos; -&gt; &apos;sprite&apos; -&gt; &apos;global&apos;.&#xD;&#xD;No errors if that variable does not exist.</comment><header></header><code></code><translations>ca:amaga la variable _&#xD;es:esconder variable _&#xD;pt:esconde a variável _&#xD;de:verstecke var _&#xD;</translations><inputs><input type="%s"><options>§_getVarNamesDict</options></input></inputs><script><block s="doIf"><custom-block s="does var %s exist?"><block var="name"/></custom-block><script><block s="doRun"><block s="reportJSFunction"><list><l>varName</l><l>proc</l></list><l>    // to delete all temporary watchers, use the primitive "hide" with no inputs&#xD;    var varFrame = proc.homeContext.variables,&#xD;        stage,&#xD;        watcher,&#xD;        target,&#xD;        name = varName;&#xD;&#xD;    if (name instanceof Context) {&#xD;        if (name.expression.selector === &apos;reportGetVar&apos;) {&#xD;            name = name.expression.blockSpec;&#xD;        } else {&#xD;            proc.doChangePrimitiveVisibility(name.expression, true);&#xD;            return;&#xD;        }&#xD;    }&#xD;    if (!name) {&#xD;        proc.doRemoveTemporaries();&#xD;        return;&#xD;    }&#xD;    if (proc.homeContext.receiver) {&#xD;        stage = proc.homeContext.receiver.parentThatIsA(StageMorph);&#xD;        if (stage) {&#xD;            target = varFrame.find(name);&#xD;            watcher = detect(&#xD;                stage.children,&#xD;                morph =&gt; morph instanceof WatcherMorph &amp;&amp;&#xD;                    morph.target === target &amp;&amp;&#xD;                        morph.getter === name&#xD;            );&#xD;            if (watcher !== null) {&#xD;                if (watcher.isTemporary()) {&#xD;                    watcher.destroy();&#xD;                } else {&#xD;                    watcher.hide();&#xD;                }&#xD;            }&#xD;        }&#xD;    }&#xD;</l></block><list><block var="name"/></list></block></script></block></script></block-definition></blocks><variables></variables></project><media name="Lab 1.3 Squares Triangles Redux" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>