How do I make one transform rotation the same as anothers?

Question

Right now I'm trying to take my cameras X rotation and make that my characters right forearm rotation. Can anyone help me with it? I keep getting errors when I try different things.

I can't simply do rightForearmRotation.z = cameraRotation.x; (Mind you, I'm using C#)

Answer 1

Best Answer

Answer by Piflik · Jan 03, 2013 at 10:40 AM

If a component of a vector is read only (like transform.position), you can use a temporary vector, modify it and then replace the original vector with it.

 Vector3 temp = transform.position;
 temp.z = target.transform.position.x;
 transform.position = temp;

But in this case, you can simply do this (methinks):

 transform.rotation = Quaternion.Euler(transform.rotation.x, transfom.rotation.y, target.transform.rotation.x);

Since Quaternion.Euler already returns a new Quaternion.

Modifying the components of a Quaternion directly is a bad idea in any case, unless you know exactly how Quaternions work.

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Akrucious · Jan 03, 2013 at 11:01 AM 0

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Neither work, when I try to make it a vector3 it tells me "Assets/Scripts/Player/ArmMovement.cs(14,31): error CS0236: A field initializer cannot reference the nonstatic field, method, or property"

As far as the quaternion option, I can't make heads or tails of it.

Simon-O · Dec 20, 2016 at 08:58 PM 0

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That should be...

transform.rotation = Quaternion.Euler(transform.rotation.x, transfom.rotation.y, target.transform.rotation.z); (Note the final z)

Answer 2

Answer by Maulik2208 · Jan 03, 2013 at 11:51 AM

     public GameObject cube1;
     public GameObject cube2;
     
 
     // Use this for initialization
     void Start () 
     {
         cube1.transform.rotation = cube2.transform.rotation;
     
     }

For checking this script create a new scene and take 2 cubes......then rotate the 2nd cube as you wish......Drag this script to cube 1........assign both cubes to inspector panel.....Hit play and Done.....Cube is Rotated to Rotation of Cube 2......Enjoy.....If found useful then don't forget to mark the answer......

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MaGuSware™ · Jan 03, 2013 at 11:54 AM 0

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I like how you didn't read his question. He wants the z of his a arm to = the x of the camera. Not a whole rotation clone..

Maulik2208 · Jan 03, 2013 at 12:03 PM 0

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That was for a sample to Copy the whole Rotation.....For More Specification he can do modification in my code....like say cube1.transform.rotation.z = cube2.transform.rotation.x; And it will work.....Then all he has to Do is Replace the Cube1 & Cube2 to his Gameobject......

But Thanks For you Suggestion i will keep it in mind.... @MaGuSware™

kocha_belgisi Maulik2208 · Mar 01, 2020 at 07:19 PM 0

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I have the same probles Piflik, your first worked for me, but as magusware sad, it isn't was he asket for, your second answer, "cube1.transform.rotation.z = cube2.transform.rotation.x" doesn't work, it sas it you can't modify transform.rotation. Do you have a solution for this?

PlatPlayz · Feb 11, 2018 at 05:55 PM 0

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For some reason it rotates a frame later than the second object for me.

How do I make one transform rotation the same as anothers?

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