Quaternion.Slerp

public static Quaternion Slerp(Quaternion a, Quaternion b, float t);

Description

Spherically interpolates between a and b by t. The parameter t is clamped to the range [0, 1].

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

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    public Transform from;
    public Transform to;

    private float timeCount = 0.0f;

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

Scripting API

Quaternion.Slerp

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