Problem 1276. PONG 002: Rectangle, Interactive Download, Easier Play

Created by Richard Zapor

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/image","targetMode":"","relationshipId":"rId1","target":"/media/image1.JPEG"}],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Variation of the Original Classic PONG game brought to Cody. PONG 002 is a rectangular board (2000,1000) with slower initial velocities and more precise paddle movement. PONG 2 uses plot and fill versus patches to improve video play. The faster square version is</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/1257-pong-001-player-vs-wall-4-lives-interactive-download\"><w:r><w:t>PONG 001</w:t></w:r></w:hyperlink></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:customXml w:element=\"image\"><w:customXmlPr><w:attr w:name=\"height\" w:val=\"-1\"/><w:attr w:name=\"width\" w:val=\"-1\"/><w:attr w:name=\"relationshipId\" w:val=\"rId1\"/></w:customXmlPr></w:customXml></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Attempt to keep the ball alive against a Wall. The ball speeds up on every hit. When it is missed it restarts at a new location. The start locations and sequences are purely deterministic. Movement of the paddle are max up/down steps of -1 to 1 (effective delta 25) or no move. Partial paddle moves allowed.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Paddle center is provided and paddle covers +/- 50 units. The field is rectangular at 2000 by 1000 with 3 walls and the lower left corner being (0,0)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>To aid in development of your routine, a PONG_Interactive_002a.m file that creates a solver script and video has been posted at</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://sites.google.com/site/razapor/matlab_cody/PONG_Interactive_002b.m\"><w:r><w:t>PONG_Interactive_002b.m</w:t></w:r></w:hyperlink><w:r><w:t>. (Right click, 'save link as'). The routine creates a PONG_002_solver.m script from the interactive play. The script demonstrates Interactivity, figure/KeyPressFcn, listdlg, and VideoWriter.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:hyperlink w:docLocation=\"https://sites.google.com/site/razapor/matlab_cody/PONG_002_video_Life1.mp4\"><w:r><w:t>PONG Demo Video</w:t></w:r></w:hyperlink><w:r><w:t> MP4 (Rt Click, Open in New Tab)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Inputs:</w:t></w:r><w:r><w:t> (paddle,ball)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ paddle = 500 ; Paddle Center on the Y-axis, Paddle is +/- 50 from center\n ball=[500 500 30 20]; % x y vx vy Positon and Velocity, Treated as a Point]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Output:</w:t></w:r><w:r><w:t> Direction</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ 1 for Up, -1 for Down, 0-No move\n Paddle moves 25*direction, quarter paddle. abs(direction)<=1 is allowed]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Pass Criteria:</w:t></w:r><w:r><w:t> 15 hits, a score of 425 or better</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Scoring:</w:t></w:r><w:r><w:t> 100 - 5 * Hits + 100 * Lives, (500 - 5 * hits for &lt; 100 hits)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Game Theory:</w:t></w:r><w:r><w:t> Position Paddle to minimize travel to next location. Vx=1.08*Vx and Vy=1.04*Vy after every return.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Near Future:</w:t></w:r><w:r><w:t> Multi-Ball Three Wall, Paddle vs Paddle (Mirror), Angle variation based on Paddle/Ball Position</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray 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Variation of the Original Classic PONG game brought to Cody.
PONG 002 is a rectangular board (2000,1000) with slower initial velocities and more precise paddle movement.
PONG 2 uses plot and fill versus patches to improve video play.
The faster square version is <a href = "http://www.mathworks.com/matlabcentral/cody/problems/1257-pong-001-player-vs-wall-4-lives-interactive-download">PONG 001</a><img src = "https://sites.google.com/site/razapor/matlab_cody/PONG2_300.jpg">Attempt to keep the ball alive against a Wall. The ball speeds up on every hit. When it is missed it restarts at a new location. The start locations and sequences are purely deterministic. Movement of the paddle are max up/down steps of -1 to 1 (effective delta 25) or no move. Partial paddle moves allowed.Paddle center is provided and paddle covers +/- 50 units.
The field is rectangular at 2000 by 1000 with 3 walls and the lower left corner being (0,0)To aid in development of your routine, a PONG_Interactive_002a.m file that creates a solver script and video has been posted at <a href = "https://sites.google.com/site/razapor/matlab_cody/PONG_Interactive_002b.m">PONG_Interactive_002b.m</a>. (Right click, 'save link as'). The routine creates a PONG_002_solver.m script from the interactive play. The script demonstrates Interactivity, figure/KeyPressFcn, listdlg, and VideoWriter.<a href = "https://sites.google.com/site/razapor/matlab_cody/PONG_002_video_Life1.mp4">PONG Demo Video</a> MP4 (Rt Click, Open in New Tab)Inputs: (paddle,ball)<pre> paddle = 500 ; Paddle Center on the Y-axis, Paddle is +/- 50 from center
 ball=[500 500 30 20]; % x y vx vy Positon and Velocity, Treated as a Point</pre>Output: Direction<pre> 1 for Up, -1 for Down, 0-No move
 Paddle moves 25*direction, quarter paddle. abs(direction)&lt;=1 is allowed</pre>Pass Criteria: 15 hits, a score of 425 or betterScoring: 100 - 5 * Hits + 100 * Lives, (500 - 5 * hits for &lt; 100 hits)Game Theory: Position Paddle to minimize travel to next location. Vx=1.08*Vx and Vy=1.04*Vy after every return.Near Future: Multi-Ball Three Wall, Paddle vs Paddle (Mirror), Angle variation based on Paddle/Ball Position

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Last Solution submitted on Dec 09, 2019

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Solution 204897

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1 Comment

Richard Zapor on 17 Feb 2013

A masterful optimal solution that pre-positions the paddle for minimal movement to return the next ball.

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Problem 1276. PONG 002: Rectangle, Interactive Download, Easier Play

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Problem 1276. PONG 002: Rectangle, Interactive Download, Easier Play

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