Difference between revisions of "DeBroglie"

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{{Navbox small
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: '''[[/Version History]]'''
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| title        = Sub-pages
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| page1        = Version History
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| page2        = Archived Talk 2010
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}}
 
{{Infobox Robot
 
{{Infobox Robot
 
| name            = [[deBroglie]]
 
| name            = [[deBroglie]]
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| image          = Broglie 7.jpeg
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| caption        = Louis de Broglie, winner of the 1929 Nobel Prize for Physics
 
| author          = [[User:Tkiesel|Tkiesel]]
 
| author          = [[User:Tkiesel|Tkiesel]]
 
| extends        = [[AdvancedRobot]]
 
| extends        = [[AdvancedRobot]]
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| targeting      = [[Dynamic Clustering]] with [[Waves/Precise_Intersection|precise intersection]]
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| targeting      = [[Dynamic Clustering|DC]] - [[GuessFactor|Guess Factors]]
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| movement        = [[Random Movement]]
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| movement        = [[Dynamic Clustering|DC]] - [[Wave Surfing]]
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| current_version = rev 8
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| current_version = rev0108
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| released        = 1 May 2012
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| best_rating    = [[RumbleArchives:RoboRumble 20120723|31]]
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| best_rating    = [[RumbleArchives:RoboRumble_20101129|274th]] (not updating until movement is written by me)
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| download_link  = https://dl.dropboxusercontent.com/u/75978227/tjk.deBroglie_rev0108.jar
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| license        = [[RWPCL]]
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| license        = [[ZLIB|zlib]]
 
}}
 
}}
  
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= Name =
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== Background Information ==
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This is my first wave surfing bot, and I'm a physicist by training, so it's named in honor of [[wikipedia:Louis_de_Broglie|Louis de Broglie]], who discovered that matter has [[wikipedia:Matter_wave|wavelike properties]]. This was a foundational discovery in Quantum Mechanics.
 
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In honor of the namesake, all data collection is done in the form of waves.  Waves emanate from the bot for targeting data, and from the enemy for movement data.
 
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This bot is very much a '''work in progress'''.
 
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= Design =
 
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== Goals ==
 
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I wanted to gather waves to use as targeting information, both incoming waves from the enemy for movement, but also outgoing waves from de Broglie for targeting. I wanted to reuse as little code as possible, so I've been working on implementing the wave system in as modular a way as possible.
 
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== Universe ==
 
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The bot has a Universe object which contains all elements of its picture of the battlefield, including two simple Bot objects, one for itself, and one for the enemy. The Bots are updated on every scan.
 
  
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Information is gathered in a kd-tree, courtesy of [[User:Rednaxela/kD-Tree|Rednaxela's open source kd-tree]] implementation. The Universe feeds information to the Eyes, Wheels, and Gun which are radar, movement, and targeting respectively.
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; Where did you get the name?
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: This is my first wave surfing bot, and I'm a physicist by training, so it's named in honor of [[wikipedia:Louis_de_Broglie|Louis de Broglie]], who discovered that matter has [[wikipedia:Matter_wave|wavelike properties]]. This was a foundational discovery in Quantum Mechanics. In 1929 de Broglie received the first ever Nobel Prize given to a student thesis.
  
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=== Segmentation ===
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; What's special about it?
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: The targeting and movement draw on a central Universe object that contains the entire situational picture, with a Bot object that represents each robot on the field.
  
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After a lot of annoying code digging every time I wanted to try a different way of segmenting/dimensioning my gathered data, I decided to put all of that code into a single static class. All data segmenting about the current situation of the Bots is done via the Segmentation class.
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; How competitive is it?
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: rev0108 is in the upper 40s in the [http://literumble.appspot.com/Rankings?game=roborumble RoboRumble] and middle of the pack in the [http://literumble.appspot.com/Rankings?game=gigarumble GigaRumble].
  
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== Gun ==
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== Strategy ==
  
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Writing [[Waves/Precise_Intersection|precise intersection]] from scratch was a fun adventure. The code is atrocious looking to a professional, I'm sure, but it was a fun puzzle!  Right now, DeBroglie uses a naive [[Maximum_Escape_Angle|escape angle]] calculation. A major priority in improving the gun is to fix that!
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; How does it [[Movement|move]]?
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: [[Wave Surfing]], using data stored in [[Dynamic Clustering|a kD tree]] with [[Waves/Precise_Intersection|precise intersection]]. The algorithm is [[Wave Surfing/True Surfing|true surfing]] based on concepts in the [[Wave Surfing Tutorial|wave surfing tutorial]].
  
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As of version 0.85 the gun is a step forward in data gathering, courtesy of the Dynamic Clustering, but a step back in sophistication regarding choosing the best fire angle and deciding whether or not to fire. Bringing those elements back up to par are a major priority.
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; How does it fire?
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: [[GuessFactor Targeting]] using [[Dynamic Clustering|a kD tree to store data.]] [[Waves/Precise_Intersection|Precise intersection]] is used to determine the fire angles that would have hit. Several different targeters are used in a [[Virtual Guns]] array. The best gun to use is chosen via a [[wikipedia:Condorcet method|Condorcet]] vote.
  
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== Wheels (Placeholder Movement) ==
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; What does it save between rounds and matches?
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: Nothing between matches. Between rounds all surfing and targeting data is saved.
  
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The movement right now is [[User:PEZ|PEZ]]'s [[Aristocles]] movement, until I finish writing the targeting and move on to defense.
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== Additional Information ==
  
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== Eyes ==
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; Can I use your code?
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: DeBroglie is an open source bot available under the [[ZLIB|zlib license]]. A few files here and there have an extra clause attached.
  
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A [[One_on_One_Radar#Turn_Multiplier_Lock|turn multiplier lock]] radar with a factor of 1.95.
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; What's next for your robot?
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: Nothing. Development on deBroglie has ended.  A few big chunks of the code will live on in [[User:Tkiesel/Copernicus|Copernicus]].
  
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= Code =
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; What other robot(s) is it based on?
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: All code written by others is under some form of permissive open source license.
  
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This bot's code (messy a state as it's in right now) is available under the [[RWPCL|RoboWiki Public Code License]] - Version 1.1 or any later version.
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:*The [https://bitbucket.org/rednaxela/knn-benchmark kD tree] is written by [[User:Rednaxela|Rednaxela]]. License: as-is with attribution.
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:*The [[User:Rednaxela/FastTrig|FastTrig lookup table and methods]] are written by a host of amazing folks at this wiki, starting with [[User:Rednaxela|Rednaxela]], but including [[User talk:Rednaxela/FastTrig|other great Robocode luminaries]].
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:*Parts of the precise prediction are accomplished with the help of [http://www.openprocessing.org/visuals/?visualID=8009 code] originally by [http://local.wasp.uwa.edu.au/~pbourke/geometry/sphereline/raysphere.c Paul Bourke], adapted by [http://www.openprocessing.org/portal/?userID=54 REAS @ OpenProcessing.org] and further adapted by me. This code determines if and where a line segment and a circle intersect. License: [http://creativecommons.org/licenses/by-sa/3.0/us/ CC-by-sa 3.0]
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:*The gun ranking uses [http://code.google.com/p/voteutil/ voteutil] by Brian Olson. It is available under the [http://www.gnu.org/licenses/lgpl.html LGPL version 3].
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:*The movement uses the wonderful setBackAsFront() method from [[User:Voidious|Voidious']] [[Wave Surfing Tutorial]]. Great piece of code!
  
 
[[Category:Bots|DeBroglie]]
 
[[Category:Bots|DeBroglie]]
 
[[Category:1-vs-1 Bots|DeBroglie]]
 
[[Category:1-vs-1 Bots|DeBroglie]]
 
[[Category:Open Source Bots|DeBroglie]]
 
[[Category:Open Source Bots|DeBroglie]]
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[[Category:MegaBots|DeBroglie]]

Latest revision as of 19:03, 18 November 2014

Sub-pages:
Version History - Archived Talk 2010
deBroglie
Broglie 7.jpeg
Louis de Broglie, winner of the 1929 Nobel Prize for Physics
Author(s) Tkiesel
Extends AdvancedRobot
Targeting DC - Guess Factors
Movement DC - Wave Surfing
Best Rating 31
Current Version rev0108
Code License zlib
Download

Background Information

Where did you get the name?
This is my first wave surfing bot, and I'm a physicist by training, so it's named in honor of Louis de Broglie, who discovered that matter has wavelike properties. This was a foundational discovery in Quantum Mechanics. In 1929 de Broglie received the first ever Nobel Prize given to a student thesis.
What's special about it?
The targeting and movement draw on a central Universe object that contains the entire situational picture, with a Bot object that represents each robot on the field.
How competitive is it?
rev0108 is in the upper 40s in the RoboRumble and middle of the pack in the GigaRumble.

Strategy

How does it move?
Wave Surfing, using data stored in a kD tree with precise intersection. The algorithm is true surfing based on concepts in the wave surfing tutorial.
How does it fire?
GuessFactor Targeting using a kD tree to store data. Precise intersection is used to determine the fire angles that would have hit. Several different targeters are used in a Virtual Guns array. The best gun to use is chosen via a Condorcet vote.
What does it save between rounds and matches?
Nothing between matches. Between rounds all surfing and targeting data is saved.

Additional Information

Can I use your code?
DeBroglie is an open source bot available under the zlib license. A few files here and there have an extra clause attached.
What's next for your robot?
Nothing. Development on deBroglie has ended. A few big chunks of the code will live on in Copernicus.
What other robot(s) is it based on?
All code written by others is under some form of permissive open source license.
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