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Question by ikelaiah · Jun 05, 2013 at 05:34 AM · quaternionconfigurablejoint

Setting opposing target movement of configurable joints

I have 2 configurable joints that rotates only in x-axis in the opposite direction. I had a look at this but I am not certain how to capture only the X axis value when the rotation is expressed as Quaternion.

Think of it as 2 platforms ----O---- ----O---- , O is the pivot, that must rotate in opposite direction by using targetRotation

My proposed algorithm is as follows:

  1. Get self initial rotation

  2. Get target initial rotation

  3. Find target current rotation

  4. Find the difference of target's angle in x

  5. Apply the difference in current joint as a negative value

Any pointers how to obtain the x rotation value from the configurable joint and apply it to current joint?

EDIT: I figured out the first one by using Transform.localEulerAngles

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Answer by ikelaiah · Jun 06, 2013 at 06:40 AM

Solved the last step by using ConfigurableExtension.cs and use it as the following

 SetTargetRotational(myJoint, Quaternion.Euler(angleNeeded, 0, 0), myJointInitialRotation);

Done! My system is working neatly. Thanks to mstevenson for his script.

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