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How about autonomous tic-tac-toe, since this competition is scheduled to be a little more complex, maybe we could run a tic-tac-toe game. It should be easier then connect four, so more people should be able to build for it. Vitali (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) The problem with tic-tac-toe is we'll have a day full of ties. Now I'd love to build a tic-talc-toe playing robot. I was thinking of doing this with an NXT and design it so kids could play against it. But as a contest I can't see it working. (...) (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) It's already been done by another group: (URL) not sure how successful it was...Steve? Calum (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) It was actually very successful, and fun. The thing we did to avoid ties was to have the time-to-play be the tiebreaker. (each pair played two games, and each robot went first, once) At the last minute, we decided to allow people to touch (...) (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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In lugnet.org.ca.rtltoronto, Steve Hassenplug wrote: <snip> (...) I'm liking this idea--it combines the wonderfulness of 'anti-x' banter and the connect 4 logic. I'm in Dave K (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) I can play five moves in 5.2 seconds... (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) I'm beginning to like this idea too.. but maybe not have the "touching" rule? Eventhough there is a simple solution in programming to guarantee a tie, that assumes perfectly functioning mechanicals... which is rarely the case. Either way, I'm (...) (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) Right. In a true competition, helping the robot should not be allowed. However adding this rule did not penalize a "good" robot in our event. It just prevented us from stopping games mid-way and saying "that cube is not flat. You lose. Game (...) (18 years ago, 1-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) OK, I understand Steve. Makes more sense than infinite do-overs or whatever. At first I didn't see the big deal with "non-flat" cubes - but then the light bulb went off, and I realized that if they're not flat, they can't be scanned by the (...) (18 years ago, 2-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) See that's the problem I have with 3T...it's bankrupt by default. Same with ProjectY...we're all making the assumption most entries won't work properly, so don't worry that the outcome is deterministic is a non issue. It seems to me kind of (...) (18 years ago, 2-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) The easiest way is to cover the board with tiles. However, that's a bunch of tiles, and not everyone has that available (after they've made the cubes). On the other hand, leaving the board as-is will give better builders another challenge to (...) (18 years ago, 2-Aug-06, to lugnet.org.ca.rtltoronto)
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In lugnet.org.ca.rtltoronto, Steve Hassenplug wrote: <snip> (...) I'm liking this idea more and more. I like the time factor to help determine the winner and I like the time penalty for every 'touch'. It's just like Project X except one row and (...) (18 years ago, 2-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) We didn't do a "time penalty" for touching. That could make it so a very-fast, very-sloppy robot could win against a very-slow, very-accurate robot. If you have to help your robot play, you should lose to someone who doesn't have to help their (...) (18 years ago, 2-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) ummm... NO (18 years ago, 3-Aug-06, to lugnet.org.ca.rtltoronto)
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Is there a reason to use square blocks? Just to make it a harder material handling problem? How about a shape more amenable to handling...say something with handles? -Rob A> (18 years ago, 3-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) How about two different shapes. May I suggest Xs and Os. Derek (18 years ago, 3-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) hummmmmm how about soccer balls? They have 2 colours?(1) Orange basket balls, and the white soccer ones.(2) Now i have to go and find my Project X if's code. geesh. Chris Project X 2nd PLACE winner 1. or we could reuse the black and white (...) (18 years ago, 3-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) One problem (or at least challenge) with the soccer/baseketball idea. To a light sensor, they have the potential to look exactly the same (i.e. - tell the two of them apart with high accuracy is not an easy thing to do). (18 years ago, 3-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) um, we talked about this a LOT for the C$ game. in theory, you DONT need to even use a light sensor. in fact. didnt your leader only use touch for his C$? Chris (18 years ago, 3-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) There wer a couple of reason for wanting flat cubes, and the fact that many of us only had about a plate worth of clearence between the cube placing/sensing assembly and a filled cell below was one of these issues. As to sensing, we used (...) (18 years ago, 3-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) Yes, touch sensors can be used, in fact none of the 3T robots that I am aware of actually used light sensors to directly detect the color of the blocks for tic-tac-toe (some used light sensors indirectly). Of course, you don't actually have to (...) (18 years ago, 4-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) Yeah, good point. I forget that, as I was one of the few (was I the only?) person who built a robot that *did* care about the color of the blocks. In the original plan, we had two other rules or guidelines: (a) white goes first, and (b) (...) (18 years ago, 5-Aug-06, to lugnet.org.ca.rtltoronto)
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(Sorry, I'm just jumping in here to post, I didn't see a good part in this thread to hop in at...) But my question is, like - how do you program for tic tac toe? How did people figure out how to program for Project X? That's what I don't get. I (...) (18 years ago, 7-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) for me, it came as 8 "conditions" nested with 8 locations. 1. scan the board, 2. was block in the correct location or empty? 3. take FIRST block in the wrong location, and put it in the FIRST location that needed a block. go to 2. 64 NESTED (...) (18 years ago, 7-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) (URL) is your friend... -Rob A> (18 years ago, 7-Aug-06, to lugnet.org.ca.rtltoronto)
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(...) OMG, massive ADD moment. I saw pages of text and instantly clicked X. Bicycles with streamers!??!! WOOOOO!!!!! Iain (18 years ago, 7-Aug-06, to lugnet.org.ca.rtltoronto)
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