<snapdata remixID="8453064"><project name="Identifying Iteration" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes>classic snake game implemented using stamping</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="true" sublistIDs="false" scheduled="true" 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s="xPosition"></block><block s="yPosition"></block></list></block><l>1</l><block var="trail"/></block><block s="doStamp"></block><block s="doIf"><block s="reportTouchingObject"><l>Target</l></block><script><block s="doBroadcastAndWait"><l>set goal</l></block><block s="doChangeVar"><l>score</l><l>1</l></block></script></block></script></block><block s="doWait"><block s="reportQuotient"><l>.3</l><block s="reportSum"><block var="score"/><l>1</l></block></block></block></script><comment w="90" collapsed="false">Iteration</comment></block></script><script x="46" y="72.49999700000001"><block s="doSetVar"><l>trail</l><block s="reportNewList"><list></list></block></block></script></scripts></sprite><sprite name="Eraser" idx="2" x="10" y="-110" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" hidden="true" costume="1" color="0,104.65199999999999,137.70000000000002,1" pen="tip" id="158"><costumes><list id="159"><item><costume name="square" center-x="12.5" center-y="11.75" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAWCAYAAAArdgcFAAAAOklEQVRIS2NkYGBg+P///38QTU3ACAK0MBjmyFHDsUbXaLCMBgvx+Xg0tYymltHUQnwIDEBqoWUFDQDROlfH38EQsgAAAABJRU5ErkJggg==" id="160"/></item></list></costumes><sounds><list struct="atomic" id="161"></list></sounds><blocks></blocks><variables></variables><scripts><script x="37" y="22"><block s="receiveMessage"><l>follow!</l></block><block s="setScale"><l>100</l></block><block s="hide"></block><block s="doForever"><script><block s="doWaitUntil"><block s="reportGreaterThan"><block s="reportListLength"><block var="trail"/></block><block s="reportSum"><block s="reportProduct"><block var="score"/><l>5</l></block><l>5</l></block></block></block><block s="gotoXY"><block s="reportListItem"><l>1</l><block s="reportListItem"><l><option>last</option></l><block var="trail"/></block></block><block s="reportListItem"><l><option>last</option></l><block s="reportListItem"><l><option>last</option></l><block var="trail"/></block></block></block><block s="doStamp"></block><block s="doDeleteFromList"><l><option>last</option></l><block var="trail"/></block></script><comment w="90" collapsed="false">Iteration</comment></block></script></scripts></sprite><sprite name="Target" idx="3" x="210" y="10" heading="90" scale="0.8" volume="100" pan="0" rotation="1" draggable="true" costume="1" color="119.95200000000001,214.2,0,1" pen="tip" id="205"><costumes><list id="206"><item><costume name="square" center-x="12.5" center-y="11.75" image="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAWCAYAAAArdgcFAAAAPElEQVRIS2NkYGBg2KzP8B9EUxP4XmRgZKSFwTBHjhqONbpGg2U0WIjPx6OpZTS1jKYW4kNgAFILLStoADX0K6sMlP9qAAAAAElFTkSuQmCC" id="207"/></item></list></costumes><sounds><list struct="atomic" id="208"></list></sounds><blocks><block-definition s="go to random position" type="command" category="motion"><header></header><code></code><translations></translations><inputs></inputs><script><block s="gotoXY"><block s="reportDifference"><block s="reportProduct"><block s="reportRandom"><l>-11</l><l>12</l></block><l>20</l></block><l>10</l></block><block s="reportDifference"><block s="reportProduct"><block s="reportRandom"><l>-8</l><l>9</l></block><l>20</l></block><l>10</l></block></block></script></block-definition></blocks><variables></variables><scripts><script x="32" y="54"><block s="receiveMessage"><l>set goal</l></block><block s="setScale"><l>80</l></block><custom-block s="go to random position" scope="local"></custom-block><block s="doUntil"><block s="reportNot"><custom-block s="touching trail?"></custom-block></block><script><custom-block s="go to random position" scope="local"></custom-block></script><comment w="90" collapsed="false">Iteration </comment></block></script></scripts></sprite><watcher var="score" style="normal" x="7" y="4.000001999999995" color="243,118,29"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="touching trail?" type="predicate" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doReport"><block s="reportListContainsItem"><block var="trail"/><block s="reportNewList"><list><block s="xPosition"></block><block s="yPosition"></block></list></block></block></block></script></block-definition></blocks><variables><variable name="score"><l>2</l></variable><variable name="trail"><list id="265"><item><list struct="atomic" id="266">-230,-130</list></item><item><list struct="atomic" id="267">-210,-130</list></item><item><list struct="atomic" id="268">-190,-130</list></item><item><list struct="atomic" id="269">-170,-130</list></item><item><list struct="atomic" id="270">-150,-130</list></item><item><list struct="atomic" id="271">-130,-130</list></item><item><list struct="atomic" id="272">-110,-130</list></item><item><list struct="atomic" id="273">-90,-130</list></item><item><list struct="atomic" id="274">-70,-130</list></item><item><list struct="atomic" id="275">-50,-130</list></item><item><list struct="atomic" id="276">-50,-110</list></item><item><list struct="atomic" id="277">-50,-90</list></item><item><list struct="atomic" id="278">-30,-90</list></item><item><list struct="atomic" id="279">-10,-90</list></item><item><list struct="atomic" id="280">10,-90</list></item></list></variable></variables></project><media name="Identifying Iteration" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>