<snapdata remixID="8656279"><project name="U1L3-AngleExperiments2" app="Snap! 5.1, 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" volume="100" pan="0" lines="round" ternary="true" codify="false" inheritance="false" 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="70.71067811865441" y="70.7106781186551" heading="45" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="0,4,3,1" 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="10" y="10"><block s="down"><comment w="234.33333333333334" collapsed="true">It&apos;s best to put the pen down before drawing.</comment></block></script><script x="10" y="40.66666666666667"><block s="setHeading"><l>0</l><comment w="188.33333333333334" collapsed="true">You might (or might not) need this.</comment></block></script><script x="10" y="74.66666666666664"><block s="gotoXY"><l>0</l><l>0</l><comment w="188.33333333333334" collapsed="true">You might (or might not) need this.</comment></block></script><script x="10" y="108.66666666666663"><block s="clear"><comment w="68.5" collapsed="false">Script A.</comment></block><block s="doRepeat"><l>3</l><script><block s="forward"><l>100</l></block><block s="doWait"><l>.5</l></block><block s="forward"><l>-100</l></block><block s="doWait"><l>.5</l></block><block s="turn"><block s="reportQuotient"><l>360</l><l>3</l></block></block></script></block></script><script x="10" y="279.00000000000006"><block s="clear"></block><block s="doRepeat"><l>60</l><script><block s="setColor"><color>0,4,3,1</color></block><block s="setSize"><l>1</l></block><block s="forward"><l>100</l></block><block s="doWait"><l>1</l></block><block s="setColor"><color>255,254,250,1</color><comment w="280.83333333333337" collapsed="false">Why is this change in pen color and size useful here?</comment></block><block s="setSize"><l>3</l></block><block s="forward"><l>-100</l></block><block s="turn"><block s="reportQuotient"><l>360</l><l>60</l></block></block></script><comment w="358.8333333333333" collapsed="false">Script B.&#xD;The second hand on a clock must make 60 small turns to make a full rotation.</comment></block></script><script x="219.33333333333337" y="469.33333333333337"><block s="clear"><comment w="68.5" collapsed="false">Script A.</comment></block><block s="doRepeat"><l>3</l><script><block s="forward"><l>100</l></block><block s="doWait"><l>.5</l></block><block s="doWait"><l>.5</l></block><block s="turn"><block s="reportQuotient"><l>360</l><l>3</l></block></block></script></block></script><script x="20" y="523.0000000000001"><block s="clear"><comment w="68.5" collapsed="false">Script A.</comment></block><block s="doRepeat"><l>4</l><script><block s="forward"><l>100</l></block><block s="doWait"><l>.5</l></block><block s="doWait"><l>.5</l></block><block s="turn"><block s="reportQuotient"><l>360</l><l>4</l></block></block></script></block></script></scripts></sprite></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="setting %&apos;which&apos;" type="reporter" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true"><options>Project notes&#xD;Project name&#xD;User&#xD;Presentation mode&#xD;Language&#xD;Zoom blocks&#xD;Stage size&#xD;Stage scale&#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></inputs><script><block s="doReport"><block s="evaluate"><block s="reportJSFunction"><list><l>which</l></list><l>var   stage = this.parentThatIsA(StageMorph),&#xD;        ide = stage.parentThatIsA(IDE_Morph),&#xD;        world = stage.parentThatIsA(WorldMorph);&#xD;&#xD;switch (which) {&#xD;    case &apos;Project notes&apos;:&#xD;        return ide.projectNotes;&#xD;    case &apos;Project name&apos;:&#xD;        return ide.projectName;&#xD;    case &apos;User&apos;:&#xD;        return SnapCloud.username;&#xD;    case &apos;Presentation mode&apos;:&#xD;        return ide.isAppMode;&#xD;    case &apos;Language&apos;:&#xD;        return SnapTranslator.language;&#xD;    case &apos;Zoom blocks&apos;:&#xD;        return SyntaxElementMorph.prototype.scale;&#xD;    case &apos;Stage size&apos;:&#xD;        return new List([StageMorph.prototype.dimensions.x,&#xD;                                   StageMorph.prototype.dimensions.y]);&#xD;    case &apos;Stage scale&apos;:&#xD;       return stage.scale;&#xD;    case &apos;Retina display support&apos;:&#xD;        return isRetinaEnabled();&#xD;    case &apos;Long form input dialog&apos;:&#xD;        return InputSlotDialogMorph.prototype.isLaunchingExpanded;&#xD;    case &apos;Plain prototype labels&apos;:&#xD;        return BlockLabelPlaceHolderMorph.prototype.plainLabel;&#xD;    case &apos;Input sliders&apos;:&#xD;        return MorphicPreferences.useSliderForInput;&#xD;    case &apos;Execute on slider change&apos;:&#xD;        return ArgMorph.prototype.executeOnSliderEdit;&#xD;    case &apos;Clicking sound&apos;:&#xD;        return !!BlockMorph.prototype.snapSound;&#xD;    case &apos;Turbo mode&apos;:&#xD;        return stage.isFastTracked;&#xD;    case &apos;Flat design&apos;:&#xD;        return MorphicPreferences.isFlat;&#xD;    case &apos;Keyboard editing&apos;:&#xD;        return ScriptsMorph.prototype.enableKeyboard;&#xD;    case &apos;Table support&apos;:&#xD;        return List.prototype.enableTables;&#xD;    case &apos;Table lines&apos;:&#xD;        return TableMorph.prototype.highContrast;&#xD;    case &apos;Visible stepping&apos;:&#xD;        return Process.prototype.enableSingleStepping;&#xD;    case &apos;Thread safe scripts&apos;:&#xD;        return stage.isThreadSafe;&#xD;    case &apos;Prefer smooth animations&apos;:&#xD;        return StageMorph.prototype.frameRate &gt; 0;&#xD;    case &apos;Flat line ends&apos;:&#xD;        return SpriteMorph.prototype.useFlatLineEnds;&#xD;    case &apos;Codification support&apos;:&#xD;        return StageMorph.prototype.enableCodeMapping;&#xD;    case &apos;Inheritance support&apos;:&#xD;        return StageMorph.prototype.enableInheritance;&#xD;    default: return which;&#xD;}</l></block><list><block var="which"/></list></block></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;switch (which) {&#xD;    case &apos;Presentation mode&apos;:&#xD;        if (tf != ide.isAppMode) ide.toggleAppMode();&#xD;        return;&#xD;    case &apos;Retina display support&apos;:&#xD;        if (tf != isRetinaEnabled()) ide.toggleRetina();&#xD;        return;&#xD;    case &apos;Long form input dialog&apos;:&#xD;        if (tf != InputSlotDialogMorph.prototype.isLaunchingExpanded)&#xD;            ide.toggleLongFormInputDialog();&#xD;        return;&#xD;    case &apos;Plain prototype labels&apos;:&#xD;        if (tf != BlockLabelPlaceHolderMorph.prototype.plainLabel)&#xD;            ide.togglePlainPrototypeLabels();&#xD;        return;&#xD;    case &apos;Input sliders&apos;:&#xD;        MorphicPreferences.useSliderForInput = tf;&#xD;        return;&#xD;    case &apos;Execute on slider change&apos;:&#xD;        ArgMorph.prototype.executeOnSliderEdit = tf;&#xD;        return;&#xD;    case &apos;Clicking sound&apos;:&#xD;        if (tf != !!BlockMorph.prototype.snapSound)&#xD;            BlockMorph.prototype.toggleSnapSound();&#xD;        return;&#xD;    case &apos;Turbo mode&apos;:&#xD;        if (tf != stage.isFastTracked)&#xD;            ide.toggleFastTracking();&#xD;        return;&#xD;    case &apos;Flat design&apos;:&#xD;        if (tf == MorphicPreferences.isFlat) return;&#xD;        if (tf)&#xD;            ide.flatDesign();&#xD;        else&#xD;            ide.defaultDesign();&#xD;        return;&#xD;    case &apos;Keyboard editing&apos;:&#xD;            ScriptsMorph.prototype.enableKeyboard = tf;&#xD;            if (ScriptsMorph.prototype.enableKeyboard) {&#xD;                ide.removeSetting(&apos;keyboard&apos;);&#xD;            } else {&#xD;                ide.saveSetting(&apos;keyboard&apos;, false);&#xD;            }&#xD;        return;&#xD;    case &apos;Table support&apos;:&#xD;            List.prototype.enableTables = tf;&#xD;            if (List.prototype.enableTables) {&#xD;                ide.removeSetting(&apos;tables&apos;);&#xD;            } else {&#xD;                ide.saveSetting(&apos;tables&apos;, false);&#xD;            }&#xD;        return;&#xD;    case &apos;Table lines&apos;:&#xD;                TableMorph.prototype.highContrast = tf;&#xD;                if (TableMorph.prototype.highContrast) {&#xD;                    ide.saveSetting(&apos;tableLines&apos;, true);&#xD;                } else {&#xD;                    ide.removeSetting(&apos;tableLines&apos;);&#xD;                }&#xD;        return;&#xD;    case &apos;Visible stepping&apos;:&#xD;        if (tf != Process.prototype.enableSingleStepping)&#xD;            ide.toggleSingleStepping();&#xD;        return;&#xD;    case &apos;Thread safe scripts&apos;:&#xD;        stage.isThreadSafe = tf;&#xD;        return;&#xD;    case &apos;Prefer smooth animations&apos;:&#xD;        if (tf != (StageMorph.prototype.frameRate &gt; 0))&#xD;            ide.toggleVariableFrameRate();&#xD;        return;&#xD;    case &apos;Flat line ends&apos;:&#xD;        SpriteMorph.prototype.useFlatLineEnds = tf;&#xD;        return;&#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;        return;&#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;        return;&#xD;}</l></block><list><block var="which"/><block var="tf"/></list></block></script></block-definition><block-definition s="set value %&apos;which&apos; to %&apos;value&apos;" type="command" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true"><options>Project notes&#xD;Project name&#xD;Language&#xD;Zoom blocks&#xD;Stage size&#xD;Stage scale</options></input><input type="%s"></input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>which</l><l>value</l></list><l>var   stage = this.parentThatIsA(StageMorph),&#xD;        ide = stage.parentThatIsA(IDE_Morph),&#xD;        world = stage.parentThatIsA(WorldMorph);&#xD;&#xD;switch (which) {&#xD;    case &apos;Project notes&apos;:&#xD;        ide.projectNotes = value;&#xD;        return;&#xD;    case &apos;Project name&apos;:&#xD;        ide.setProjectName(value);&#xD;        return;&#xD;    case &apos;Language&apos;:&#xD;        ide.setLanguage(value);&#xD;        return;&#xD;    case &apos;Zoom blocks&apos;:&#xD;        if (!isNaN(value)) ide.setBlocksScale(Math.min(value, 12));&#xD;        return;&#xD;    case &apos;Stage size&apos;:&#xD;        if ((value instanceof List) &amp;&amp; value.length()==2&#xD;                       &amp;&amp; !isNaN(value.at(1)) &amp;&amp; !isNaN(value.at(2)))&#xD;            ide.setStageExtent(new Point(value.at(1), value.at(2)));&#xD;        return;&#xD;    case &apos;Stage scale&apos;:&#xD;        ide.toggleStageSize(value != 1, Math.max(0.1, value));&#xD;        return;&#xD;};</l></block><list><block var="which"/><block var="value"/></list></block></script></block-definition></blocks><variables></variables></project><media name="U1L3-AngleExperiments2" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>