- [Instructor] A limit controller lets us…set upper and lower boundaries for the range…of any float controller…such as rotation around a single axis.…We'll use a limit controller on the claws of this robot arm…in order to prevent them from rotating too far.…Now I've set this up and oriented the pivot points…of these two claw objects…so that their y-rotations are symmetrical.…The same y-rotation value will rotate the two objects…in opposite directions.…
So we don't have to worry about creating…two animation tracks…or somehow reversing the sign of one track…and making it the negative value of the other.…All I did was rotate the pivot points.…To illustrate, I'll go to the Move tool,…and go into Local reference coordinate system.…And we can tumble around in the perspective view.…We can see that the y-axis of one claw…is pointed in the positive y-axis of the world.…
And the y-axis of the other claw is pointed…in the negative y-axis of the world.…If we select them both with the Control key,…go over to the Rotate tool,…
AuthorAaron F. Ross
Skill Level Intermediate
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