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Question by Major · May 06, 2015 at 04:05 AM · rotationraycastobjectvector3align

Aligning an Object to a Surface, and Rotating it

I am trying to align my player to the surface of an object. This part I understand how to do simply with Quaternion.FromToRotation(Vector3.up, hitInfo.normal.up); using raycasts and hitInfo being the Raycast variable. However this doesn't give me the ability to rotate the object afterwords. I need to be able to adjust the y rotation of my player since that is how you steer it. I am not really familiar with how the Quaternion function from above really works, and if I did that might help get this to work. I would really appreciate any help. Thanks!

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Answer by JinJin · May 08, 2015 at 12:31 PM

this should give you an idea:

  Vector3 eulerAngles = transform.rotation.eulerAngles;
  Mathf.LerpAngle( eulerAngles.y, myCameraTransform.rotation.eulerAngles.y, rotSpeed * Time.deltaTime );
  transform.rotation.eulerAngles = eulerAngles;

this codes takes your current rotation and changes only the y part based on the camera

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Answer by Saddamjit_Singh · Sep 04, 2017 at 07:49 AM

using UnityEngine;



public class SlopeDetectionScript : MonoBehaviour

{


RaycastHit hit;

Quaternion rot;

public int smooth;



void Update()

{

Ray ray = new Ray(transform.position, -transform.up);

if (Physics.Raycast(ray, out hit))

{

rot = Quaternion.FromToRotation(transform.up, hit.normal) transform.rotation;

transform.rotation = Quaternion.Lerp(transform.rotation, rot, Time.deltaTime
smooth);

}

}




}


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