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Question by vuqarahim · Mar 15, 2021 at 03:37 AM · c#rotationquaternioncamera rotatetouch controls

Weird shake when I try to rotate player according to Virtual Cameras rotation.

so Im trying to do some cool stuff with cinemac$$anonymous$$ne for the first time, and Im making an mobile fps game, but when I try to rotate players body according to virtual camera's rotation it does t$$anonymous$$s weird shaking effect:

shaky effect video

(I put the camera's follow target be$$anonymous$$nd the player just to show the shake)

Here is the script Im taking the virtual cameras rotation. t$$anonymous$$s is a extension script for overriding input values of virtual camera:

       protected override void PostPipelineStageCallback(Cinemac$$anonymous$$neVirtualCameraBase vcam, Cinemac$$anonymous$$neCore.Stage stage, ref CameraState state, float delta)
 {
     if (vcam.Follow)
     {
         if (stage == Cinemac$$anonymous$$neCore.Stage.Aim)
         {
             if (startingRotation == null) startingRotation = transform.localRotation.eulerAngles;
             Vector2 deltaInput = aim.lookInput;

             startingRotation.x += deltaInput.x * horizontalSpeed * Time.deltaTime;
            

             state.RawOrientation = Quaternion.Euler(transform.localRotation.eulerAngles.y, startingRotation.x, 0);
             rotation = state.RawOrientation;
         }
     }
 }

and here Im using it to rotate player:

 void Rotate()
 {
     Quaternion rot = pOVExtension.rotation;
     rot.x = transform.rotation.x;
     rot.z = transform.rotation.z;

     float rotateSpeed;



     rotateSpeed = 20;


     Quaternion lookDir = rot;


     Quaternion targetRot = Quaternion.Slerp(transform.rotation, lookDir, rotateSpeed * Time.deltaTime);


     if (shotCamera.m_Priority < 10)
         transform.rotation = targetRot;

 }

Im only rotating on y axis. I move the character with rigid.velocity but its doesnt shake when moving, but only when rotating.

any help is appreciated. Thanks in advance

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Answer by MontanaAnton · Nov 14, 2022 at 12:35 PM

good explanation here: https://blog.terresquall.com/2021/12/fix-jittery-camera-movement-in-unity-with-rigidbody-interpolate/

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