Quaternion.Lerp

Parameters

Returns

Quaternion A quaternion interpolated between quaternions a and b.

Description

Interpolates between a and b by t and normalizes the result afterwards. The parameter t is clamped to the range [0, 1].

This is faster than Slerp but looks worse if the rotations are far apart.

// Interpolates rotation between the rotations
// of from and to.
// (Choose from and to not to be the same as
// the object you attach this script to)

using UnityEngine;

public class Example : MonoBehaviour
{
    Transform from;
    Transform to;
    float speed = 0.01f;
    float timeCount = 0.0f;

    void Update()
    {
        transform.rotation = Quaternion.Lerp(from.rotation, to.rotation, timeCount * speed);
        timeCount = timeCount + Time.deltaTime;
    }
}

See Also: Slerp. LerpUnclamped.