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-   -   Secret Sauce: Shot to Human Player (http://www.chiefdelphi.com/forums/showthread.php?t=127454)

nlj007 03-03-2014 20:50

Secret Sauce: Shot to Human Player
 
I was ecstatic to see how effective team 900's truss shot to the human player was at the South Carolina regional was. I put together a video showcasing the shot. I truly believe this will be a very effective strategy at our next competition.

SECRET SAUCE:
http://www.youtube.com/watch?v=WjSUAmLFnwY

cjl2625 03-03-2014 21:09

Re: Secret Sauce: Shot to Human Player
 
Ooh, that's nice. Trussing right from the end of the field. It looks like it would be hard to defend you if you're between the wall and the low goal like that.
If you can do that consistently, I definitely think that will be useful.

Ginger Power 03-03-2014 21:24

Re: Secret Sauce: Shot to Human Player
 
Please take this thread down they are giving away the secret!!! Joking obviously :D I really enjoyed watching your robot play. I knew this strategy would be viable. I'm just glad to see it implemented so well.

Pi3th0n 03-03-2014 21:30

Re: Secret Sauce: Shot to Human Player
 
Honestly, the hardest part was convincing our alliance partners that cycle time was more important than points-per-cycle. I didn't feel like our robot was really showing off until Saturday when we were able to get in more than 4 cycles a match.

Ginger Power 03-03-2014 21:44

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by Pi3th0n (Post 1353005)
Honestly, the hardest part was convincing our alliance partners that cycle time was more important than points-per-cycle. I didn't feel like our robot was really showing off until Saturday when we were able to get in more than 4 cycles a match.

If you guys or any other robot doing this strategy (I only know of 3 teams doing it including your team) gets paired with the top scorer, 1pt or 10pt doesn't matter, at a regional things will get crazy. You guys can get the ball from the pedestal to human player in under 10 seconds and the top scorer at a regional should be able to get the ball into a goal within 7-10 seconds regardless of defense. This means 21 or 30 pt cycles in under 20 seconds. This equates to between 147 and 210pts in teleop alone. Factor in a max auton and you are looking at almost 300pts in a match. This also allows for the third robot to play counter defense, defense, or if it's compatible with the top scorer it could add a quick 3rd assist but I don't see this happening until elims.

marshall 03-03-2014 22:04

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by Ginger Power (Post 1352999)
Please take this thread down they are giving away the secret!!! Joking obviously :D I really enjoyed watching your robot play. I knew this strategy would be viable. I'm just glad to see it implemented so well.

Well it's not much of a secret anymore. We don't think we'll see a lot of copycats because it is not that easy to design for. Your bot needs to be purpose built to pull this off from what we think. At the very least it takes a custom gearbox and a decent amount of brute force.

Ginger Power 03-03-2014 22:24

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by marshall (Post 1353026)
Well it's not much of a secret anymore. We don't think we'll see a lot of copycats because it is not that easy to design for. Your bot needs to be purpose built to pull this off from what we think. At the very least it takes a custom gearbox and a decent amount of brute force.

I definitely agree it will be very very uncommon and that you have to plan for this from the beginning. You don't necessarily need a custom gearbox (although it would definitely help). We are using a custom made ratcheting winch with 1 cim motor in a toughbox mini. We also have an acme lead screw which loosens our surgical tubing when our winch pulls the catapult down. The lead screw tensions the surgical tubing (allowing for a variable shot) to our desired shot length. We are hoping that at the max tension we are able to emulate your full court assist to the human player.

nlj007 03-03-2014 22:48

Quote:

Originally Posted by Ginger Power (Post 1353040)
I definitely agree it will be very very uncommon and that you have to plan for this from the beginning. You don't necessarily need a custom gearbox (although it would definitely help). We are using a custom made ratcheting winch with 1 cim motor in a toughbox mini. We also have an acme lead screw which loosens our surgical tubing when our winch pulls the catapult down. The lead screw tensions the surgical tubing (allowing for a variable shot) to our desired shot length. We are hoping that at the max tension we are able to emulate your full court assist to the human player.


I would like to see this if you get it successfully implemented. Keep us updated on your progress!

Ginger Power 03-03-2014 22:52

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by nlj007 (Post 1353052)
I would like to see this if you get it successfully implemented. Keep us updated on your progress!

I'll post a video to this forum when we finalize our practice robot. We have been waiting on a couple of vital parts from Andymark for about a week. When we get it all in it shouldn't take more than a few days to complete.

stefanp 03-03-2014 23:12

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by marshall (Post 1353026)
Well it's not much of a secret anymore. We don't think we'll see a lot of copycats because it is not that easy to design for. Your bot needs to be purpose built to pull this off from what we think. At the very least it takes a custom gearbox and a decent amount of brute force.

I think we have the range to make that kind of shot no problem. Maybe for catapults the have to be custom built but wheeled shooters can just up the speed. I'm interested in trying this out at our next regional! Thanks for the idea!
http://www.youtube.com/watch?v=oRK8UGR3vpI

goldenglove002 03-03-2014 23:17

Re: Secret Sauce: Shot to Human Player
 
I wasn't sure about this strategy prior to joining y'alls alliance for elimination, but it works amazingly. I really think some more practice with the human player/alignment stuff and the right alliance partners in St. Louis would have you taking a good look at Einstein. Keep up the good work!

Ginger Power 03-03-2014 23:56

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by stefanp (Post 1353072)
I think we have the range to make that kind of shot no problem. Maybe for catapults the have to be custom built but wheeled shooters can just up the speed. I'm interested in trying this out at our next regional! Thanks for the idea!
http://www.youtube.com/watch?v=oRK8UGR3vpI

It looks like you have the power for the shot which is awesome! The only problem I see for you guys when using this strategy at your regional is the low release point. If I'm a defensive robot on the opposing alliance and my scouting tells me that you are full court assisting I'm going to try to block you. The reason my team went with a catapult was that the release point could get close to 5 feet because of the ball rolling off the catapult as it fires. A high release point makes blocking the shot way more difficult if not impossible. If you watch the youtube video, towards the end you can here the human player (or person behind the camera) yell "try to block us!" or something like that. I think you guys can pull this strategy off. You will just need to compensate for the low release point by using counter defense or shooting while moving. Good luck at your regional!

PayneTrain 04-03-2014 00:40

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by marshall (Post 1353026)
Well it's not much of a secret anymore. We don't think we'll see a lot of copycats because it is not that easy to design for. Your bot needs to be purpose built to pull this off from what we think. At the very least it takes a custom gearbox and a decent amount of brute force.

I think your gearbox would be the least dependent part of the strategy; you seem to be using it only to build up stored energy in surgical tubing. What seems to be the real things that are purpose built and difficult to replicate include the height at which the shot exits and the length of the lever arm. Regardless, this is an effective strategy to get through with in qualification rounds, provided you have at least one other alliance partner who has a robot wit ha working drivebase and preferable herding mechanism, and for that partner to have a human player ready to effectively inbound.

scaryone 04-03-2014 06:28

Re: Secret Sauce: Shot to Human Player
 
Very cool bot and interesting strategy. Wondering if risk of foul points factors in? At some of the competitions, fouls for reaching over were an issue. Did you guys find that the case at your event?

marshall 04-03-2014 07:48

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by scaryone (Post 1353169)
Very cool bot and interesting strategy. Wondering if risk of foul points factors in? At some of the competitions, fouls for reaching over were an issue. Did you guys find that the case at your event?

Not from our human player. He was well trained not to over reach for the ball and cross the barrier. He was one of the few who walked away with no fouls called on him at the event.

We did get a verbal warning from the head ref because we were attempting to shoot to another team's human player a couple of times and our HP couldn't get the shot aligned properly from the back so the ball went out of play. This was easily fixed though and we are now working on a way to train other team's human players.

Thanks for the compliments folks. We appreciate them.

FrankJ 04-03-2014 09:17

Re: Secret Sauce: Shot to Human Player
 
It was a pleasure helping to prove your theory Sat. morning. (Q84). This game has done a good job of requiring alliance partners to work together to be successful.

who716 04-03-2014 09:33

Re: Secret Sauce: Shot to Human Player
 
I find this strategy to be very viable because this way the ball is never on the ground bouncing around wasting time, the more time the ball is in the robot or in the hands of the human player the less is getting kicked around on the floor.

nlj007 04-03-2014 10:58

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by who716 (Post 1353212)
I find this strategy to be very viable because this way the ball is never on the ground bouncing around wasting time, the more time the ball is in the robot or in the hands of the human player the less is getting kicked around on the floor.

That was our thought exactly when we chose this strategy; low cycle times were more important than huge point cycles.

topgun 04-03-2014 11:32

Re: Secret Sauce: Shot to Human Player
 
So, why wasn't any of the defenders hitting you? The 900 human player was indicating that you needed to line up before shooting. Couldn't a defender have just rammed in and knocked the robot off enough to shut this down?

BEN35678 04-03-2014 11:34

Re: Secret Sauce: Shot to Human Player
 
We were planning on doing that as well we just need to find out how consistent it will be.

nlj007 04-03-2014 12:56

Quote:

Originally Posted by topgun (Post 1353278)
So, why wasn't any of the defenders hitting you? The 900 human player was indicating that you needed to line up before shooting. Couldn't a defender have just rammed in and knocked the robot off enough to shut this down?


We experienced little movement when hit because we were backed in the corner with a very solid drivetrain. Our driver was able to maintain his aim after being hit. Having a defender on us did make it slightly harder, but it did not affect us much.

pabeekm 04-03-2014 13:00

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by topgun (Post 1353278)
So, why wasn't any of the defenders hitting you? The 900 human player was indicating that you needed to line up before shooting. Couldn't a defender have just rammed in and knocked the robot off enough to shut this down?

Defense turned out to not be a big problem. Because we were in the corner, we could only be hit periodically thanks to pinning rules. Even when we were hit out of alignment and couldn't readjust before the firing activated, the ball would only land a few feet away from our human player and either
a) it was out of bounds and he would receive it back within a few seconds
or
b) it landed on field in the general vicinity of the goals

Plus our drivetrain is built pretty tough, so knocking us out of alignment probably isn't worth what little delay it causes our cycles.

Ginger Power 04-03-2014 13:15

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by nlj007 (Post 1353333)
We experienced little movement when hit because we were backed in the corner with a very solid drivetrain. Our driver was able to maintain his aim after being hit. Having a defender on us did make it slightly harder, but it did not affect us much.

Quote:

Originally Posted by Ginger Power (Post 1326709)
. . . I think you are underestimating how hard it would be to actually play defense on the FCA. A well designed FCA should have a good drivetrain and should be able to launch the ball from a number of different spots to a number of different spots. I just don't think even an experienced defensive team would bother trying to block the FCA.
Blocking the robot (or two robots) on the receiving end of the FCA is a different story. Finding a way around defense from the receiving end is definitely more difficult. If there are two robots receiving from the FCA then the FCA would aim for the one that isn't being defensed against (or is more open). If one of the receiving robots is better at catching the ball, then the inferior receiving robot could play anti - defense (setting a pick) for the superior receiving robot allowing it to get room to catch or quickly corral the ball in order to shoot. This ties up one robot from the opposing alliance taking away triple assist opportunities for them and still allows for (in theory) quick 40 point cycles for the FCA team.
If there is one robot on the receiving end of the FCA then it all comes down to driver/drivetrain superiority between the defensive and offensive robot. This also would allow for the third member of the FCA alliance to strictly play defense against the opposing alliance.
The advantage of having a FCA in quals is huge because there are a lot of ways to do it depending on who the FCA is paired with. The disadvantages are glaringly obvious as well because the strategy relies on a teammate of the FCA to be able to quickly attain possession of the ball and consistently put it in the 10 pt goal which will be rare qualities (I realize this paragraph contradicts itself).

I predicted this on January 13th for the record :D

Tom Line 04-03-2014 17:28

Re: Secret Sauce: Shot to Human Player
 
We made a couple truss passes at Center Line, but stopped immediately when we found that the Refs decided to call technical fouls on us for intentionally shooting outside the field if the human player missed the catch.

AndyBare 04-03-2014 17:33

Re: Secret Sauce: Shot to Human Player
 
I loved this! You guys did great at Palmetto, and if I could give you just one piece of constructive criticism (I only have one), it would be this: Don't put your human player in striped pants. We knew that you guys would be loading horizontally across the field from the guy in zebra pants, so we knew exactly where to send the defense. Again, great job, and hope to see you guys at FIRST Championship in St. Louis!
Andrew - 1261

markmcgary 04-03-2014 17:36

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by Tom Line (Post 1353483)
We made a couple truss passes at Center Line, but stopped immediately when we found that the Refs decided to call technical fouls on us for intentionally shooting outside the field if the human player missed the catch.

I have video of HPs missing truss passes at IE. No penalties.

SoccerTaco 04-03-2014 17:44

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by Tom Line (Post 1353483)
We made a couple truss passes at Center Line, but stopped immediately when we found that the Refs decided to call technical fouls on us for intentionally shooting outside the field if the human player missed the catch.

They did not call it that way at Palmetto - where Secret Sauce was being saucy with those great full court passes. (Team 900 - loved your robot, your strategy, and just watching how far you could throw that ball - wow!!)

Do you know if anyone questioned the Refs at Center Line about that decision based on G11?


G11
BALLS may not be intentionally or repeatedly ejected from gameplay.
Violation: FOUL per instance.

Passing a BALL to a HUMAN PLAYER is within gameplay and not considered a violation of G11.


What does the CD Community think is the proper interpretation of G11 in regards to missed passes to the human player?

It seems to me if you were trying to pass it to the human player, but missed, that is not intentional, and therefore not a foul based on G11.

markmcgary 04-03-2014 17:48

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by SoccerTaco (Post 1353489)

G11
BALLS may not be intentionally or repeatedly ejected from gameplay.
Violation: FOUL per instance.

Passing a BALL to a HUMAN PLAYER is within gameplay and not considered a violation of G11.


What does the CD Community think is the proper interpretation of G11 in regards to missed passes to the human player?

It seems to me if you were trying to pass it to the human player, but missed, that is not intentional, and therefore not a foul based on G11.

I hope that passing a BALL to a HUMAN PLAYER is within gameplay and not considered a violation of G11, even if the HUMAN PLAYER misses the pass.

bduddy 04-03-2014 17:51

Re: Secret Sauce: Shot to Human Player
 
I would think that if an HP misses one or two catches, that's not a foul. If it happens much more than that, that becomes "repeatedly" and is worthy of a foul.

loyal 04-03-2014 18:33

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by bduddy (Post 1353495)
I would think that if an HP misses one or two catches, that's not a foul. If it happens much more than that, that becomes "repeatedly" and is worthy of a foul.

Yea ditto. If your team is not practiced at this don't do it. But it sure does look cool.:D

andres_900 05-03-2014 19:25

Re: Secret Sauce: Shot to Human Player
 
The refs at the NC Regional are known for being extremely knowledgeable, so I don't think the Zebracorns have much to worry about.

M. Lillis 10-03-2014 13:20

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by nlj007 (Post 1352975)
I was ecstatic to see how effective team 900's truss shot to the human player was at the South Carolina regional was. I put together a video showcasing the shot. I truly believe this will be a very effective strategy at our next competition.

SECRET SAUCE:
http://www.youtube.com/watch?v=WjSUAmLFnwY

Sorry to revive an old thread, but what setup did you use to shoot this? (Body, lens, rig)

pandamonium 11-03-2014 23:13

Re: Secret Sauce: Shot to Human Player
 
If I was this team I would Create a hard stop alignment device just drop it and drive into the corner... Awesome design!!!

marshall 11-03-2014 23:36

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by pandamonium (Post 1357828)
If I was this team I would Create a hard stop alignment device just drop it and drive into the corner... Awesome design!!!

We talked about doing that. We have position based PID implemented on our drive train so it is actually more difficult than people think to push us. Basically, if you push against our robot then it pushes back to stay in that location.

We might yet add something to prop us in the corner but it doesn't seem to matter much from what we saw in Palmetto. A team would have to devote 2/3 of their alliance to keep us out of both corners, which kinda swings the match in our favor anyway...

Not to mention that we can always load the ball over the top of them. We are a fairly tall bot.

We nearly won Palmetto with this... we are hoping to win the NC regional.

mizscience 12-03-2014 00:46

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by bduddy (Post 1353495)
I would think that if an HP misses one or two catches, that's not a foul. If it happens much more than that, that becomes "repeatedly" and is worthy of a foul.

This. The refs have been instructed to warn teams if they repeatedly miss their shot to the HP or if they start shooting the balls haphazardly off the field, then to penalize them if they still continue these actions.

nlj007 12-03-2014 01:24

Quote:

Originally Posted by M. Lillis (Post 1356551)
Sorry to revive an old thread, but what setup did you use to shoot this? (Body, lens, rig)


I used a canon Rebel T1i with a 50mm f1.8. I handheld these shots without a strap or rig. However, I do have a homemade steadicam. I used it with my iPhone to shoot this video recently:
http://youtu.be/76lFi5nRXNc

The T1i only shoots 720p(shh don't tell anyone it's not full HD :P)

IronicDeadBird 20-03-2014 14:01

Re: Secret Sauce: Shot to Human Player
 
Pardon the necromancy but has anyone seen this done with a decent goalie bot?

marshall 20-03-2014 14:22

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by IronicDeadBird (Post 1361795)
Pardon the necromancy but has anyone seen this done with a decent goalie bot?

As in trying to block the shot or doubling up and playing goalie along with shooting?

IronicDeadBird 20-03-2014 14:34

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by marshall (Post 1361799)
As in trying to block the shot or doubling up and playing goalie along with shooting?

Doubling up. I feel like that is the only time it would be viable to camp that hard in one area.

Pi3th0n 20-03-2014 14:38

Re: Secret Sauce: Shot to Human Player
 
As far as doubling up goes, 900 has been playing hard defense whenever we aren't setting up/shooting. Pushing other robots around seems to work better than putting something in front of the high goal though, especially when smart teams decide to go low goal instead.

IronicDeadBird 20-03-2014 14:43

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by Pi3th0n (Post 1361806)
As far as doubling up goes, 900 has been playing hard defense whenever we aren't setting up/shooting. Pushing other robots around seems to work better than putting something in front of the high goal though, especially when smart teams decide to go low goal instead.

GAhfshm, hmmm....
Mixed feelings are mixed, while I feel it is a very strong strategy I just don't see how it isn't being countered hard. If you have it working though nothing wrong with that.

marshall 20-03-2014 14:50

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by IronicDeadBird (Post 1361809)
GAhfshm, hmmm....
Mixed feelings are mixed, while I feel it is a very strong strategy I just don't see how it isn't being countered hard. If you have it working though nothing wrong with that.

It's a hard strategy to counter. If you camp a robot in the corner before we get there (IE: 1024 in Palmetto) then we can drive to the other corner or just sit in front of you. If you devote two robots to camping both corners well then you don't have much offense left to play.

Ramming us continuously was half working at NC but we have a solution for that.

Your confused look is the same as ours though. What is even more perplexing to us is the lack of teams doing this same strategy at other regional events. We know that there are two or three others that can do it but aren't regularly.

Ideally, we could literally park in front of the opponent's goal and then shoot straight to the other 1 pt goal and have another robot put it in without any human players being present. It's hard to wedge us out of the corner once we are in it too.

IronicDeadBird 20-03-2014 15:06

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by marshall (Post 1361810)
It's a hard strategy to counter. If you camp a robot in the corner before we get there (IE: 1024 in Palmetto) then we can drive to the other corner or just sit in front of you. If you devote two robots to camping both corners well then you don't have much offense left to play.

Ramming us continuously was half working at NC but we have a solution for that.

Your confused look is the same as ours though. What is even more perplexing to us is the lack of teams doing this same strategy at other regional events. We know that there are two or three others that can do it but aren't regularly.

Ideally, we could literally park in front of the opponent's goal and then shoot straight to the other 1 pt goal and have another robot put it in without any human players being present. It's hard to wedge us out of the corner once we are in it too.

In the ideal situation you stated it pans out if you are the only robots out there. As soon as the opposing alliance is introduced you then are left with 1 robot playing defense against 3 robots playing offense. That means they can do a fairly safe 3 assist scoring cycle. They will have one robot that has the ball and 2 escorting I have seen very few robots run an effective defense against a 2v1.
We don't need to peel you out of the corner if being in the corner is detrimental to your team. Every opposing robot that is sitting in a corner is one less robot we need to worry about disrupting a cycle.

marshall 20-03-2014 15:39

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by IronicDeadBird (Post 1361817)
In the ideal situation you stated it pans out if you are the only robots out there. As soon as the opposing alliance is introduced you then are left with 1 robot playing defense against 3 robots playing offense. That means they can do a fairly safe 3 assist scoring cycle. They will have one robot that has the ball and 2 escorting I have seen very few robots run an effective defense against a 2v1.
We don't need to peel you out of the corner if being in the corner is detrimental to your team. Every opposing robot that is sitting in a corner is one less robot we need to worry about disrupting a cycle.

How long does a 3 assist cycle take vs a 2 assist? And don't forget about a third robot dedicated to defense. It's a fun thought exercise to armchair on CD...

We ran the math on all of this right after kickoff and came up with a strategy that has paid off for us. I'm not going to claim it is 100% effective in all cases and I know it can be disrupted.

Fact is, it won us a regional and an engineering award and we have had a blast doing it. I'll take that any day.

HannahWilson 20-03-2014 17:47

Re: Secret Sauce: Shot to Human Player
 
Congrats to team 900 on winning the Raleigh regional! I really enjoyed watching your robot launch the ball so powerfully, and your team's strategy was amazing.

I have one question: when did your team have the idea of passing the ball over the truss to the human player? Did you plan to build your robot to shoot the ball that powerfully during the build season, or did you realize that strategy would work well during the competition? (I'm assuming the former.)

IronicDeadBird 20-03-2014 19:23

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by marshall (Post 1361829)
How long does a 3 assist cycle take vs a 2 assist? And don't forget about a third robot dedicated to defense. It's a fun thought exercise to armchair on CD...

We ran the math on all of this right after kickoff and came up with a strategy that has paid off for us. I'm not going to claim it is 100% effective in all cases and I know it can be disrupted.

Fact is, it won us a regional and an engineering award and we have had a blast doing it. I'll take that any day.

Its hard to disagree with someone who won a regional with it but I still am going to (congrats to that by the way!) Winning is proof in itself that a strategy worked but the keyword here is worked. The thing that is blowing my mind is that in this game a quick 2 assist cycle strat could outweigh a quick 3 assist. I feel it would be poor game design to end up with a game that rewarded less work with more points. No offense to the GDC at all they are great guys and very innovative. This work:reward pay off could only be tested through live play and obviously the GDC doesn't have too much to work with when it comes to simulating a regional.

JohnFogarty 20-03-2014 19:47

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by IronicDeadBird (Post 1361921)
Its hard to disagree with someone who won a regional with it but I still am going to (congrats to that by the way!) Winning is proof in itself that a strategy worked but the keyword here is worked. The thing that is blowing my mind is that in this game a quick 2 assist cycle strat could outweigh a quick 3 assist. I feel it would be poor game design to end up with a game that rewarded less work with more points. No offense to the GDC at all they are great guys and very innovative. This work:reward pay off could only be tested through live play and obviously the GDC doesn't have too much to work with when it comes to simulating a regional.

Looking at the scores of the Greater Kansas City Regional and Orlando Regional Week 3, same as North Carolina, show that a 3 assist cycle would in-fact out score a 2 assist cycle.

marshall 20-03-2014 20:54

Re: Secret Sauce: Shot to Human Player
 
Quote:

Originally Posted by HannahWilson (Post 1361897)
Congrats to team 900 on winning the Raleigh regional! I really enjoyed watching your robot launch the ball so powerfully, and your team's strategy was amazing.

I have one question: when did your team have the idea of passing the ball over the truss to the human player? Did you plan to build your robot to shoot the ball that powerfully during the build season, or did you realize that strategy would work well during the competition? (I'm assuming the former.)

Hi Hannah,

We planned from the beginning to build our robot the way we did. After kickoff we did a couple of things. The first is that we read over the rules thoroughly to ensure we fully understood them. In addition, we also looked at statistical analysis of the game. From there, we began to think through possible strategies and the scores for them based on that analysis. (This lead to a 4D graph and some other stuff that I won't bore you with.)

I am proud to say that our strategy is based on that analysis and that it was arrived at on the day after kickoff. From there, it was a matter of designing a robot to accomplish the goals we set out to accomplish for our strategy.

Thank you for the compliments.


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