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Question by gatzkerob · Jan 22, 2020 at 06:10 PM · positionaxiscoordinateslocal

Move object to position on another object's locally rotated axis

  • I created a cube and rotated it locally -90 degrees on its Y axis

  • So its local X axis is now the world's Z axis

  • I want to align another world space object along the cube's local X axis

I've tried TransformPoint() among other things, but not getting the desired result.

Is there some trigonometry involved with doing this, or is there a built-in function?

Cheers.

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Answer by gatzkerob · Jan 22, 2020 at 06:39 PM

To answer my own question:

 secondObject.transform.position = transform.position + transform.TransformDirection(new Vector3(1, 0, 0));

This will keep the second object on the local X axis of the locally rotated object.

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