From the course: 3ds Max: Tips, Tricks and Techniques

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Setting track value boundaries with a limit controller

Setting track value boundaries with a limit controller - 3ds Max Tutorial

From the course: 3ds Max: Tips, Tricks and Techniques

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Setting track value boundaries with a limit controller

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- [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…

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