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Unread 06-01-2014, 13:00
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Hallry Hallry is offline
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Re: Catching a ball

Quote:
Originally Posted by Riverdance View Post
Catching seems difficult, but what we have figured out recently is that everyone is making catching a lot harder than it has to be. The manual defines catching as "when a BALL SCORED over the TRUSS by a ROBOT’S ALLIANCE partner is POSSESSED by that ROBOT before contacting the carpet or HUMAN PLAYER" and possession as "A.“carrying", B. “herding”, C. “launching, and D. “trapping"". Thus, a catching mechanism is not entirely required unless a team has the time, space, and resources. If a robot simply places itself in the right place such that the ball will bounce off and head in the right direction at the right angle, it should theoretically count as a catch.
Er, check the blue box under that definition:

Quote:
Examples of BALL interaction that are not POSSESSION are
A. “bulldozing” (inadvertently coming in contact with BALLS that happen to be in the path of the ROBOT as it moves about the FIELD) and

B. “deflecting” (being hit by a propelled BALL that bounces or rolls off the ROBOT).
A BALL that becomes unintentionally lodged on a ROBOT will be considered POSSESSED by the ROBOT. It is important to design your ROBOT so that it is impossible to inadvertently or intentionally POSSESS an opponent’s BALL.
(Emphasis mine)

Therefore, a ball bouncing off a robot placed in the right place seems to be just "deflecting," which is NOT possessing and therefore NOT a catch.
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