Richard, our robot can drive any direction it wants to, and at the same time rotate. Much like the videos Madison posted.
Quote:
Originally Posted by EricH
Rotation: Turning about a single point, usually (but not always) the center of the robot, or somewhere close to that area.
Translation: Motion in a single direction (either front/back or side-side, or in the case of an omnidirectional drivetrain, some line in between).
If the point of rotation happens to be translating as you rotate, you are pulling off a very tricky move--that sort of motion is usually reserved for things like frisbees, not stuff that stays on the ground.
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The point of rotation is not a point we directly control, it is determined by the combination of x, y and rotation inputs. It is only ever on the robot when our translation speed is very slow or nonexistant (which I guess is true of all FRC robots).